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CN106290422A - Safe examination system and method thereof - Google Patents

Safe examination system and method thereof
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Publication number
CN106290422A
CN106290422ACN201610728728.5ACN201610728728ACN106290422ACN 106290422 ACN106290422 ACN 106290422ACN 201610728728 ACN201610728728 ACN 201610728728ACN 106290422 ACN106290422 ACN 106290422A
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China
Prior art keywords
ray
source device
radiation source
tire
tested vehicle
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CN201610728728.5A
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CN106290422B (en
Inventor
曲海波
赵杰
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Beijing Hualixing Sci Tech Development Co Ltd
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Beijing Hualixing Sci Tech Development Co Ltd
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Priority to CN201610728728.5ApriorityCriticalpatent/CN106290422B/en
Publication of CN106290422ApublicationCriticalpatent/CN106290422A/en
Priority to US16/327,681prioritypatent/US10809415B2/en
Priority to PCT/CN2017/090351prioritypatent/WO2018036265A1/en
Priority to EP17842689.6Aprioritypatent/EP3505919B1/en
Application grantedgrantedCritical
Publication of CN106290422BpublicationCriticalpatent/CN106290422B/en
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Abstract

It relates to safe examination system and method thereof, belong to safety inspection field.A kind of safe examination system includes: radiation source device, and including the first ray unit, described first ray unit is along first predetermined subtended angle outgoing the first beam, so that described first beam passes with pre-set velocity by checking the Part I of the tested vehicle of passage;Detector assembly, including the first detector cells being correspondingly arranged with described first ray unit, described first detector cells is used for receiving described first beam.Wherein, described radiation source device is at least partially disposed on the road surface of described inspection passage, and described first detector cells is arranged at the first side of described inspection passage.Safe examination system and method thereof according to the disclosure can realize whether specific part in vehicle conceals the safety check work of article in violation of rules and regulations.

Description

Safe examination system and method thereof
Technical field
It relates to safety inspection technical field, in particular to safe examination system and method thereof.
Background technology
Along with cracking down on smuggling and security needs, in world wide, all more advanced technology how is used to ensure in researchThe safety of society, cracks down on smuggling, terrified criminal activity.
With shipping or passenger stock as instrument, conceal smuggling thing, weapon, blast in the concealed location such as vehicle interior, tireThe contrabands such as thing, thus hide inspection, the region such as the department that joins the civil service, important venue, customs, carry out criminal activity, have hiddenThe feature that covering property is strong, the method checked by Traditional Man, not only efficiency is low, and speed is slow, puts into a large amount of human and material resources, Er QiezhunReally property is poor, therefore in the urgent need to one in vehicle pass-through, quickly captures vehicle concealment part image, thus finds violated thingThe system of product, can be widely applied to customs, government bodies, security department, prison, meeting-place, competition gymnasiums and stadiums, airport, restaurant, silverThe safety inspection that row, harbour, nuclear power station etc. are local.
The most general container vehicle Examined effect scheme is that radiation source is placed in tested vehicular sideview and carries out imaging, due toRadiation source needs certain setting height(from bottom), and therefore the minimum scanning height of equipment is not less than 0.5m, it is impossible to scan complete carTire and lower vehicle workbox or luggage case, can only solve by raising vehicle pass-through ground level for this, not only soilBuild great in constructing amount, and a lot of container vehicles are checked in equipment application scenarios, it is impossible to carry out ground construction, current for thisThere is leak to the inspection of vehicle tyre and lower tool case, luggage case in general Examined effect scheme, brings potential safety hazard.
And in vehicle pass-through, carry out the Examined effect of radiant image at present, for support personnel's safety, it is necessary to dodgeBeing scanned after driver's cabin, and small-sized passenger stock driver's cabin heel row also has personnel, the most existing Examined effect cannot realizeInspection to concealment parts such as the traveling boot of middle-size and small-size passenger stock, tire, workboxes, current Examined effect scheme is to littleThere is potential safety hazard and risk in type passenger stock inspection.
Accordingly, it would be desirable to a kind of new safe examination system and method thereof.
Be only used for strengthening the understanding of background of this disclosure in information above-mentioned disclosed in described background section, therefore itCan include not constituting the information to prior art known to persons of ordinary skill in the art.
Summary of the invention
Disclosure one safe examination system and method thereof, it is possible to solve above-mentioned of the prior art ask in whole or in partTopic.
Other characteristics of the disclosure and advantage will be apparent from by detailed description below, or partially by the disclosurePractice and acquistion.
According to an aspect of this disclosure, it is provided that a kind of safe examination system, including: radiation source device, including the first ray listUnit, described first ray unit is along first predetermined subtended angle outgoing the first beam, so that described first beam is through to presetSpeed is by checking the Part I of the tested vehicle of passage;Detector assembly, sets including corresponding with described first ray unitThe first detector cells put, described first detector cells is used for receiving described first beam;Wherein, described radiation source dressPutting and be at least partially disposed on the road surface of described inspection passage, described first detector cells is arranged at described inspection passageThe first side.
In a kind of exemplary embodiment of the disclosure, described radiation source device also includes: the second ray unit, describedTwo ray unit are along second predetermined subtended angle outgoing the second beam, so that described second beam is through the of described tested vehicleTwo parts.The direction of wherein said second predetermined subtended angle is different from the direction of described first predetermined subtended angle.
In a kind of exemplary embodiment of the disclosure, described detector assembly also includes: with described second ray unitThe second detector cells being correspondingly arranged, described second detector cells is used for receiving described second beam;Wherein, describedTwo detector cells are arranged at the second side of described inspection passage.
In a kind of exemplary embodiment of the disclosure, described first detector cells and described second detector cells toolThere is predetermined altitude.Wherein said predetermined altitude is according to the described first predetermined subtended angle of described first beam and described second rayThe described second predetermined subtended angle of bundle and the size of described Part I and described Part II determine.
In a kind of exemplary embodiment of the disclosure, described first ray unit includes radiographic source and shield, describedShield and described collimator ray outside shielding the described first predetermined subtended angle that described radiographic source is launched, retrain simultaneouslyThe width of described ray.
In a kind of exemplary embodiment of the disclosure, described first ray unit includes radiographic source, shield and standardStraight device.Wherein said shield and described collimator for shield that described radiographic source launches along described first predetermined subtended angle outgoingDescribed first beam and along the ray outside the second beam of the second predetermined subtended angle outgoing, retrain described ray simultaneouslyWidth.Wherein said second beam is through the Part II of described tested vehicle.
In a kind of exemplary embodiment of the disclosure, described detector assembly also includes: with described second predetermined subtended angleThe second detector cells being correspondingly arranged, described second detector cells is used for receiving described second beam;Wherein, describedTwo detector cells are arranged at the second side of described inspection passage.
In a kind of exemplary embodiment of the disclosure, a part for described radiation source device embeds described inspection passageBelow road surface, another part exposes the road surface of described inspection passage, and wherein the height of exposed portion is less than a preset value.Wherein instituteState the terrain clearance that preset value is relevant to the chassis of described tested vehicle.
In a kind of exemplary embodiment of the disclosure, when described tested vehicle is the first vehicle, described radiation source deviceDescribed exposed portion there is the first height, and described radiation source device outgoing has the ray of the first energy;Described tested carWhen being the second vehicle, the described exposed portion of described radiation source device has the second height, and described radiation source device outgoingThere is the ray of the second energy;Wherein, described first height is less than described second height, and described first energy is less than described secondEnergy.
In a kind of exemplary embodiment of the disclosure, also include: the first sensory package, be arranged on described radiation source deviceThe first side, its for output the first transducing signal represent described tested vehicle enter described inspection passage.
In a kind of exemplary embodiment of the disclosure, described first sensory package includes that being embedded in described inspection passage entersGround induction coil at Kou.
In a kind of exemplary embodiment of the disclosure, also include: the second sensory package, be arranged at described first sensing groupBetween part and described radiation source device, for output the second transducing signal, it represents that the described Part I of described tested vehicle entersEnter the radiation areas of described radiation source device, and control described radiation source device outgoing there is the ray of the first dosage.
In a kind of exemplary embodiment of the disclosure, described second sensory package includes the first photoswitch group, describedFirst photoswitch group is arranged at both sides and/or the road surface of described inspection passage of described inspection passage.
In a kind of exemplary embodiment of the disclosure, also include: the 3rd sensory package, be arranged at described radiation source deviceThe second side, its for output the 3rd transducing signal represent the described Part I of described tested vehicle sail out of described radiation source dressThe described radiation areas put, and control described radiation source device outgoing there is the ray of the second dosage;Wherein, described second dosageLess than described first dosage.
In a kind of exemplary embodiment of the disclosure, described 3rd sensory package includes the second photoswitch group, describedSecond photoswitch group is arranged at both sides and/or the road surface of described inspection passage of described inspection passage.
In a kind of exemplary embodiment of the disclosure, also include: velocity sensor, be used for measuring described tested vehicle and existTranslational speed in described inspection passage.
In a kind of exemplary embodiment of the disclosure, also include: the first time-delay mechanism, with described velocity sensor evenConnect, for arranging for one first time delay according to the size of described translational speed and described Part I;Wherein, when described secondSensory package detects that the described Part I of described tested vehicle enters the described radiation areas of described radiation source device, passes throughDescribed first delay time, output one first control signal controls the dosage of the ray of described radiation source device outgoing from described theDose is converted to the second dosage.
In a kind of exemplary embodiment of the disclosure, also include: the second time-delay mechanism, with described velocity sensor evenConnect, for arranging according to the wheelbase between a Part III of described translational speed and described Part I and described tested vehicleOne second time delay;Wherein, be converted to described from described first dosage when the dosage of the ray of described radiation source device outgoingSecond dosage, through described second time delay, output one second control signal controls the ray of described radiation source device outgoingDosage be converted to described first dosage from described second dosage.
In a kind of exemplary embodiment of the disclosure, described radiation source device is arranged at the road surface of described inspection passageCentral authorities, and the target center of described first ray unit is arranged on the road surface of described inspection passage.
In a kind of exemplary embodiment of the disclosure, described first predetermined subtended angle and described second predetermined subtended angle direction phaseInstead, described first detector cells and described second detector cells are oppositely arranged.
In a kind of exemplary embodiment of the disclosure, also include: data acquisition and imaging device, fill with described detectorPutting connection, the first ray intensity data receiving described first ray unit output generates the first radiation diagram of described Part IPicture.
In a kind of exemplary embodiment of the disclosure, also include: display device, with described data acquisition and imaging deviceConnect, for showing described first radiation image of described tested vehicle.
In a kind of exemplary embodiment of the disclosure, also include: judgment means, for according to described first radiation imageJudge whether described Part I carries prohibited items secretly.
In a kind of exemplary embodiment of the disclosure, also include: control device, with described radiation source device and described spySurvey device device to connect, for controlling described radiation source device and the startup of described detector assembly and closedown.
In a kind of exemplary embodiment of the disclosure, described first detector cells and described second detector cells areLinear array detector.
In a kind of exemplary embodiment of the disclosure, the radiating surface of described first beam of described first predetermined subtended angleIt is perpendicular to the road surface of described inspection passage.
According to an aspect of this disclosure, it is provided that a kind of safety inspection method, including: with along the first of the first predetermined subtended angle outgoingBeam passes with pre-set velocity by checking the Part I of the tested vehicle of passage;Receive the institute through described Part IState the first beam and export the first ray intensity data;Described Part I is generated according to described first ray intensity dataFirst radiation image;Judge whether described Part I carries prohibited items secretly according to described first radiation image.
In a kind of exemplary embodiment of the disclosure, also include: with the second beam along the second predetermined subtended angle outgoingPart II through described tested vehicle;Receive through described second beam of described Part II and export the second rayIntensity data;The second radiation image of described Part II is generated according to described second ray intensity data;According to described secondRadiation image judges whether carry prohibited items secretly in described Part II.Wherein, the direction of described second predetermined subtended angle is different fromThe direction of described first predetermined subtended angle.
In a kind of exemplary embodiment of the disclosure, also include: when described first of described tested vehicle being detectedDuring point by radiation areas in described inspection passage, through a predetermined time delay, described with described first beam scanningThe Part III of tested vehicle also checks in described Part III whether carry prohibited items secretly.
Safe examination system according to the disclosure and method thereof, it is possible to quickly to vehicle specific part (such as tire, boot,Luggage case, workbox etc.) carry out radiant image, to realize whether this specific part of detection is carried secretly the purpose of prohibited items.
It addition, according to some embodiments of the disclosure, can only vehicle specific part region be carried out imaging and not to itIts part imaging so that the exposure dose of radiation that driver and crew receive minimizes.
Another further aspect, according to some embodiments of the disclosure, can be to the left and right specific part imaging simultaneously of vehicle and leftThe imaging region of right specific part does not has overlap.
Accompanying drawing explanation
Describing its example embodiment in detail by referring to accompanying drawing, above and other feature of the disclosure and advantage will becomeBecome apparent from.
Fig. 1 schematically shows the structural representation of a kind of safe examination system according to the disclosure one example embodiment;
Fig. 2 schematically shows the structural representation of the another kind of safe examination system according to the disclosure one example embodiment;
Fig. 3 schematically shows the structural representation of another safe examination system according to the disclosure one example embodiment;
Fig. 4 schematically shows the flow chart of a kind of safety inspection method according to the disclosure one example embodiment;
Fig. 5 schematically shows the flow chart of the another kind of safety inspection method according to the disclosure one example embodiment;
Fig. 6 schematically shows the flow chart of another safety inspection method according to the disclosure one example embodiment.
Detailed description of the invention
It is described more fully with example embodiment referring now to accompanying drawing.But, example embodiment can be real in a variety of formsExecute, and be not understood as limited to embodiment set forth herein;On the contrary, it is provided that these embodiments make the disclosure by comprehensively with completeWhole, and the design of example embodiment is conveyed to those skilled in the art all sidedly.The most identical reference representsSame or similar part, thus repetition thereof will be omitted.
Additionally, described feature, structure or characteristic can be combined in one or more enforcement in any suitable mannerIn example.In the following description, it is provided that many details thus provide fully understanding of embodiment of this disclosure.But,It will be appreciated by persons skilled in the art that and can put into practice the technical scheme of the disclosure and there is no in described specific detail or moreMany, or other method, constituent element, material, device, step etc. can be used.In other cases, it is not shown in detail or describesKnown features, method, device, realization, material or operation are to avoid each side of the fuzzy disclosure.
The disclosure proposes a kind of novel security inspection system, utilizes and is installed on the radiation source device on inspection passage road surface and checks logicalThe detector assembly of side, road carries out radiant image to the vehicle specific part in advancing, and judges this spy according to radiation imageDetermine whether position carries prohibited items secretly.The following examples are all said as a example by the tire that this specific part is tested vehicleBright, but it should be recognized that this specific part is not limited to tire, such as can also is that the luggage case of tested vehicle, workbox,Boot etc..
Fig. 1 schematically shows the structural representation of a kind of safe examination system according to the disclosure one example embodiment.
As it is shown in figure 1, safe examination system 100 includes: radiation source device 110 and detector assembly 120.
Wherein radiation source device 110 includes the first ray unit 111, and the first ray unit 111 goes out along the first predetermined subtended angle αPenetrate the first beam S1 so that the first beam S1 through with pre-set velocity by checking the of the tested vehicle 140 of passage 130A part (such as, first tire 141).
Wherein radiation source device 110 is at least partially disposed on the road surface 131 checking passage 130.
In the exemplary embodiment, a part for radiation source device 110 can embed below the road surface checking passage 130, separatelyA part exposes the road surface 131 checking passage 130, and wherein the height H1 of exposed portion is less than a preset value.
In certain embodiments, described preset value is relevant to terrain clearance H2 on chassis of tested vehicle 140.Wherein H1 is littleIn H2.
In further embodiments, radiation source device 110 can also be disposed entirely within the road surface 131 checking passage 130,As long as it meets the height minimum terrain clearance less than tested vehicle of part of basseting.
In the exemplary embodiment, radiation source device 110 may be disposed at the central authorities on the road surface 131 checking passage 130.OneIn a little embodiments, the target center of the first ray unit 111 is arranged on the road surface 131 checking passage 130.
In certain embodiments, radiation source device 110 is standalone module, possesses self-shileding ability, except for outgoing firstThe region gone out to restraint outside mouth of beam S1, distance 1.5 meters of distance leakage rates of radiation source device are less than 2.5 μ Gyh-1.At someIn embodiment, radiation source device 110 can use sheet metal structural, possesses the degree of protection of IP65.
In the exemplary embodiment, when tested vehicle 140 is the first vehicle, the described exposed portion of radiation source device 110There is the first height, and radiation source device 110 outgoing has the ray of the first energy.
Such as, the first vehicle can be general passenger car.Owing to the terrain clearance on the chassis of general passenger car is the most minimumFor 150mm, under fully loaded transportation condition, it is likely to be breached 100mm.Therefore, it can arrange the first height is less than 100mm, such as 90mm,80mm etc..
In the exemplary embodiment, when tested vehicle 140 is the second vehicle, the described exposed portion of radiation source device 110Having the second height, wherein radiation source device 110 outgoing has the ray of the second energy.
In certain embodiments, described first height is less than described second height, and described first energy is less than described secondEnergy.
Such as, the second vehicle can be container car, the general minimum 300mm of terrain clearance on the chassis of container car.Therefore, it can arrange the second height is less than 300mm, such as 200mm, 150mm etc..Simultaneously as under normal circumstances, general take advantage ofLower than the tire thickness of container car with the tire thickness of car, so, the radial energy of the tire radiant image of general passenger carThe ray energy of the tire radiant image of the ratio container car that amount can be arranged is low, but the disclosure is not limited.
In certain embodiments, it is also possible to the vehicle of tested vehicle is carried out finer division, such as, is divided into little sedan-chairCar, motor bus, container truck, van etc..According to different vehicles, different-energy, the radiation of different terrain clearance are setSource apparatus.
In certain embodiments, the radiation source device of the dimension being applicable to different automobile types can be made, according to testedThe difference of type of vehicle, changes radiation source device and can meet the replacing of the tyre inspection to different automobile types.
In certain embodiments, can make one can the radiation source device of Automatic adjusument, a chassis can be passed throughHeight sensor detects the terrain clearance on the chassis of tested vehicle, and then the terrain clearance of this tested vehicle that basis detects is certainlyThe regulation radiation source device adapted to exposes the height of road surface part and/or the ray energy of outgoing.
Wherein detector assembly 120 includes the first detector cells 121 being correspondingly arranged with the first ray unit 111, theOne detector cells 121 is for receiving the first beam S1.
In certain embodiments, the imaging region of the first detector cells 121 may be configured as 1.2 meters.Certainly, the disclosure is notAs limit, the height of concrete imaging region can be adjusted according to system requirements, such as according to the tire of tested vehicleSize, boot, luggage case, the position in workbox, the subtended angle size of emergent ray of radiation source device, radiation source deviceAnd the distances between distance, tire and radiation source device between detector assembly etc. select.Such as, in order to tested carTire carry out complete imaging, the height of the imaging region that can arrange the first detector cells can meet tested vehicleThe requirement of tire full-size complete imaging.
In further embodiments, the inspection height that rises of the first detector cells 121 is 0-0.65 rice.Height is examined in rising hereRefer to the terrain clearance of the imaging region of the first detector cells 121.
Such as, maintaining an equal level with the road surface 131 checking passage 130 of the first ray unit 111, radiation source device 110 exposes groundFace maximum height is less than 80mm, and the first detector cells 121 is close to check that the road surface 131 of passage 130 is installed, can be to tested carTire ground above section " 0 " distance start check, by the scanning of the tire to tested vehicle, check whether by wheelTire carries out smuggling or carrying prohibited items.
Above-described embodiment illustrates that as a example by the tire of tested vehicle the inspection height that rises of the first detector cells 121 is 0, butThis plays inspection height is can to adjust, such as due to the spy such as luggage case, workbox along with the difference of specific part to be checkedThe terrain clearance determining position is not 0, then can arrange corresponding rising according to the terrain clearance in luggage case, workbox etc. and examine height.
In certain embodiments, detector assembly 120 can use sheet metal structural, it is possible to meet outdoor use throughout the year, ventilate,Insulation, the requirement such as rainproof.
In the exemplary embodiment, the first detector cells 121 is arranged at the first side checking passage 130.Such as, Fig. 1Shown in, the first detector cells 121 is arranged at the right side checking passage 130 relative to tested vehicle driver.But the disclosureBeing not limited, the first detector cells 121 can also be arranged at left side, as long as it is able to receive that through tested vehicle sideThe beam of tire.
In the exemplary embodiment, the first ray unit 111 includes radiographic source, shield and collimator.Wherein saidShield and described collimator ray outside shielding the first predetermined subtended angle α that described radiographic source is launched, retrain institute simultaneouslyState the width of ray.In certain embodiments, the width of the described ray after constraint can be 3-5 millimeter.Implement at otherIn example, the width of the described ray after constraint can also be 5 millimeters-18 millimeters.Can select corresponding according to the demand of systemCollimator obtains the ray of corresponding width.
Such as, the first ray unit 111 can use the radiographic source of circumference divergent-ray.Described shield can be by describedWhat radiographic source was launched all masks except the ray in addition to the first beam S1 of described first predetermined subtended angle α outgoing, fromAnd the radiation source amount of radiation to driver and crew can be reduced.In certain embodiments, described radiographic source can use isotope to putPenetrate source.
In the exemplary embodiment, the first ray unit 111 can also use one first X-ray production apparatus.X-ray production apparatus is generalThe hundreds of KeV of ceiling capacity, it is possible to meet the penetration capacity requirement of tire.In certain embodiments, the first ray unit 111 also may be usedTo use X-ray accelerator.
In the exemplary embodiment, the first ray unit 111 is point-like x-ray source, and it is in the first predetermined subtended angle α scopeThe X-ray of radiolitic.
In the exemplary embodiment, the radiation energy ranges of described ray unit is 60-180KeV.
It should be noted that use the radiation source of the tire radiant image arbitrarily enabling to tested vehicle to belong to these public affairsThe protection domain opened, its concrete emittance can be combined according to factors such as the vehicle of tested vehicle, the material of tire and thicknessClose and consider to select.Such as, when tested vehicle is general passenger car, can radiation source with selective radiation energy as 80KeV;Work as quiltInspection vehicle is when being container car, can radiation source with selective radiation energy as 160KeV.
In the exemplary embodiment, the described pre-set velocity of tested vehicle 140 can be 5km/h-20km/h.But the disclosureIt is not limited.One warning banner can be set in the place before tested vehicle enters sense channel, be used for reminding drivingMember's pre-decelerating is within this velocity interval.
In the exemplary embodiment, the first beam S1 of the first predetermined subtended angle α is perpendicular to check the road surface of passage 130131 so that this first beam S1 vertical incidence is to this first detector cells 121.Certainly, the disclosure is not limited.?In some embodiments, the radiating surface of the first beam S1 of radiation source device 110 outgoing can be with the road surface checking passage 130There is between 131 certain angle.In other embodiments, the first beam S1 of radiation source device 110 outgoing can also put downRow is in the road surface 131 of inspection passage 130, as long as it ensure that the complete radiant image of the tire to tested vehicle.
In the exemplary embodiment, this system 100 can also include: the first sensory package (not shown), this is first years oldSensory package can be arranged on first side (the such as entrance side of this inspection passage 130) of radiation source device 110, this first sensingAssembly may be used for detecting whether tested vehicle 140 sails inspection passage 130 into, when this first sensory package detects tested vehicle149 sail into inspection passage 130 time, it exports the first transducing signal and is sent to system 100 for notifying that system 100 has vehicle to enterInspection passage 130.
In the exemplary embodiment, described first sensory package includes being embedded in the ground sense line checking passage 130 porchCircle.
For example, it is possible to arranged track lock, traffic lights etc. checking at feeder connection, driver can opening by banisterOpen the instruction with traffic lights to judge whether to enter this inspection passage.When the first tire 141 of this tested vehicle 140 is pressed onto instituteAfter stating ground induction coil, the railing of banister lifts, and traffic light become green, and tested vehicle starts to sail this inspection passage into.
In certain embodiments, this system 100 can also include license plate recognition device, when this tested vehicle enters this inspectionWhen passage, license plate recognition device records license board information simultaneously.
In the exemplary embodiment, also include: the second sensory package, be arranged at described first sensory package and radiation source dressPut between 110, for output the second transducing signal, it represents that the first tire 141 of tested vehicle 140 enters radiation source device 110Radiation areas, and control radiation source device 110 outgoing there is the ray of the first dosage.
In the exemplary embodiment, described second sensory package includes the first photoswitch group, described first photoswitchGroup is arranged at the both sides checking passage 130 and/or the road surface 131 checking passage 130.
Such as, when the front tyre (first tire 141) of tested vehicle 140 is pressed onto described ground induction coil, simultaneously because shouldTested vehicle 140 sails this inspection passage 130 into and blocks described first photoswitch group, and radiation source device 110 starts to start and bundle.Described first photoswitch group uses light curtain or the cross light signal of telecommunication and confirms that vehicle arrives by the ground sense signal of ground induction coil,Start radiation scanning.
In the exemplary embodiment, also include: the 3rd sensory package, be arranged at the second side of radiation source device 110 (such asCheck the outlet side of passage 130), for output the 3rd transducing signal, it represents that the first tire 141 of tested vehicle 140 sails out of spokePenetrate the described radiation areas of source apparatus 110, and control radiation source device 110 outgoing there is the ray of the second dosage.
Wherein said second dosage is less than described first dosage.Described first dosage at least disclosure satisfy that beam passes quiltThe requirement of the tire radiant image of inspection vehicle, and when the tire of tested vehicle rolls the radiation areas of radiation source device away from, permissibleReduce the exit dose of radiation source, to reduce the amount of radiation to driver and crew.In certain embodiments, described second dosage is permissibleIt is 0, i.e. when the 3rd sensory package detects that current scanned tire sails out of radiation areas, radiation source device can be controlled110 close, and stop bundle.Such as, after the front tyre of tested vehicle 140 is by described second photoswitch group, radiation sourceDevice 110 stops bundle.
In the exemplary embodiment, described 3rd sensory package includes the second photoswitch group, described second photoswitchGroup is arranged at the both sides checking passage 130 and/or the road surface 131 checking passage 130.
In certain embodiments, check that passage 130 both sides (left and right sides) are respectively provided with installation column, described first photoelectricityGroup of opening the light and/or described second photoswitch group can be arranged on described column.In further embodiments, described firstPhotoswitc group and/or described second photoswitch group may be mounted at the road surface of the tested passage 130 of tested vehicle 140 processOn.In further embodiments, the terrain clearance that described first photoswitch group and described second photoswitch group are arranged is aboutFor the terrain clearance on the chassis of this tested vehicle 140, so, when the signal launched when photoswitch group is blocked, it can be determined thatGo out and be the tire of tested vehicle rather than vehicle body, and the tire of tested vehicle close to radiation source device time can be judged out.
In certain embodiments, the distance between radiation source device 110 and described first sensory package is equal to or biggerRadius in the tire of tested vehicle 140.In further embodiments, described second sensory package is closer to radiation source device110, and depart slightly from described first sensory package.In certain embodiments, radiation source device 110 and described 3rd sensory packageBetween distance be equal to or slightly greater than the diameter of tire of tested vehicle 140.
In the exemplary embodiment, tested car is detected when described first sensory package and/or described second sensory packageThe third round tire of 140 (rear tyre of the most tested vehicle one of them, first tire and the third round fetus position are in tested vehicleThe same side, such as right side) time, system 100 controls radiation source device 110 and reopens ray or from described second dosage conversionFor described first dosage, carry out the radiant image of this third round tire.When described 3rd sensory package detects described third round tireWhen sailing out of the radiation areas of radiation source device 110, system controls radiation source device 110 and is converted to described the from described first dosageTwo dosage, stop outgoing or reduce exit dose.
Such as, tested vehicle 140 rear tyre enters when blocking the first photoswitch group, and this rear tyre feels line with being pressed onto simultaneouslyDuring circle, radiation source device 110 starts to start and bundle.After tested vehicle 140 rear tyre passes through the second photoswitch group, radiation sourceDevice 110 stops bundle.After detecting that last tire is in the past, closing ray, detection terminates.System controls banister and falls,Limit next car and enter inspection passage.The vehicle image time is judged, after operator presses acknowledgement key, under system enters to operatorThe state to be checked of one car.
Above-mentioned illustrate as a example by tested former and later two tires of vehicle 140, but under practical situation, can be according to tested carTire number of cycles before and after perform above-mentioned detection, radiate, stop bundle/reduction radiation dose, detect again, re-radiation, againStop the process of bundle/reduction radiation dose, until the tire complete inspection of tested vehicle at least side is complete.Such as,The side of the tested vehicle having be likely to be of before, during and after tire, perform three radiation imaging procedure the most as procedure described above i.e.Can.The tire quantity of tested vehicle is not construed as limiting by the disclosure.
Although it should be noted that above-described embodiment detecting with ground induction coil and photoswitch group the wheel of tested vehicleTire sails or sails out of radiation areas into, but the disclosure is not limited, such as, can also pass through infrared transmitting device, visible rayThe device that discharger, electromagnetic signal emitting device or ultrasonic transmission device etc. can detect arbitrarily substitutes or usesIt combines arbitrarily.
In the exemplary embodiment, this system 100 also includes: velocity sensor, is used for measuring described tested vehicle in instituteState the translational speed in inspection passage.
In certain embodiments, described velocity sensor includes being arranged on the velocity radar checking passage 130 both sides.
In further embodiments, system is according to the movement of the relevant tested vehicle 140 received from described velocity sensorSpeed controls the reconstruction of the radiation image of the tire to tested vehicle 140, and revises radiation diagram according to described translational speedAs data.
In the exemplary embodiment, this system 100 also includes: the first time-delay mechanism, and described first time-delay mechanism is with describedVelocity sensor connect, for according to the size of described translational speed and described first tire arrange one first time delay T1.Wherein, detect that the first tire 141 of tested vehicle 140 enters described in radiation source device 110 when described second sensory packageRadiation areas, through described first delay time T1, output one first control signal controls the ray of radiation source device 110 outgoingDosage be converted to the second dosage from described first dosage.
Such as, system 100 entered by detection this inspection passage 130 current tested vehicle 140 real-time speed andThe factors such as the size of the scanned tire of this current tested vehicle 140 calculate this current tested vehicle 140 and pass through radiation sourceThe time used of the radiation areas of device 110, arrange described first time delay T1 more than or equal to this calculate usedTime, from detecting that this scanned tire enters described radiation areas and starts timing, it may be judged whether reach T1, when reaching T1Between time, system 100 judge this scanned tire the most completely by described radiation areas, now, system 100 controls radiation sourceDevice 110 reduces amount of radiation and to the second dosage or stops bundle, to reduce the scanning to useless object, reduces driver and crew'sAdditional radiation dosage.
In the exemplary embodiment, also include: the second time-delay mechanism, be connected with described velocity sensor, for according to instituteState a Part III of translational speed and first tire 141 and tested vehicle 140 (such as with the trailing wheel of this first tire homonymyTire, hereinafter referred to as third round tire) between wheelbase one second time delay was set.Wherein, penetrating when radiation source device 110 outgoingThe dosage of line is converted to described second dosage from described first dosage, through described second time delay, output one second controlThe dosage of the ray that signal controls radiation source device 110 outgoing is converted to described first dosage from described second dosage.
Wherein the center origin that wheelbase is such as former and later two tires between first tire 141 and described third round tire itBetween air line distance.The wheelbase between real-time speed and former and later two tires according to tested vehicle 140 is calculated the first roundTire 141 sails out of radiation source device 110, described third round tire sails time used of radiation source device 110 into, arranges described second and prolongsTime T2 is equal to or less than this time used calculated late, and system 100 controls radiation source device 110 and reopens ray,The radiant image of a tire the most described third round tire after carrying out.
The embodiment of the present invention uses the ray of low dosage to check for driving cabin, the ray agent that such driving cabin acceptsMeasuring the lowest, therefore driver need not get off, and the ray that part such to tire uses high dose checks, it is thus achieved that meshThe picture rich in detail of mark part.
Although it should be noted that in above-described embodiment after checking out first tire and start to check third round tire itBefore can reduce the roentgendosis of outgoing and be even switched off radiation source device, but in further embodiments, from tested car being detectedFirst tire start until all tire of the same side (such as right side) of this tested vehicle be detected complete before, radiationThe roentgendosis of source apparatus does not change, and i.e. all radiates into the specific part between two tires of tested vehicle the same sidePicture, so can detect in the specific paries such as tire, workbox, luggage case whether carry prohibited items simultaneously.
In the exemplary embodiment, this system 100 also includes: data acquisition and imaging device, with described detector assemblyConnecting, the first ray intensity data receiving described first ray unit 111 output generates the first radiation diagram of first tire 141Picture.
In the exemplary embodiment, this system 100 also includes: image capturing device, for the collection of information of vehicles, describedImage capturing device can be installed on the top checking passage, captures the vehicle body image of tested vehicle 140, may be used for vehicle boardAccording to identification etc..
In the exemplary embodiment, this system 100 also includes: display device, with described data acquisition with imaging device evenConnect, for showing described first radiation image of tested vehicle 140.
In certain embodiments, this system 100 also includes: storage device, for the spoke by the tire of same tested vehiclePenetrate image information and the interrelated storage of license board information, conveniently search comparison work in the future.
In certain embodiments, described display device can show the radiation image of tested vehicle and tested vehicle simultaneouslyOther information (such as license plate number), and use corresponding technology radiation image and information of vehicles be transmitted simultaneously and preserve.
In the exemplary embodiment, also include: judgment means, for judging first tire according to described first radiation imageWhether prohibited items are carried secretly in 141.In certain embodiments, described the first of described tested vehicle is judged when described judgment meansWhen tire is entrained with prohibited items, it is also possible to auxiliary red alarm lamp starts warning function simultaneously.
Radiation source device sends beam and penetrates the tire of tested vehicle, is received by the detector assembly of opposite side.Due toDifferent article density are different, and therefore different to the degree of absorption of ray, then the signal power of detector assembly output is the most different, willStrong and weak different signal is after data acquisition processes with imaging device, and the display the most in real time of the radiation image of the tire of tested vehicle existsOn computer screen.Different article have different shape, density, and therefore on radiation image, tire sets with machinery, electronics etc.Standby have significantly difference in radiation image, by check radiation image can quickly recognize whether vehicle tyre is carried secretly violatedArticle.
In certain embodiments, general vehicle tire is empty, does not the most have other things, when judgingWhen the radiation image of tire has the profile of other article, typically just can directly send early warning information, it is believed that this tested vehicleTire in carry prohibited items secretly.
In further embodiments, it is all relatively to fix due to information such as the composition material of vehicle tyre, structure, sizes, known, the ray intensity data scope that conventional tire is corresponding can be prestored in the memory element of system, work as systemDuring the ray intensity data of the tire receiving tested vehicle, the ray intensity data detected is analyzed, if detection numberDo not mate according to the scope of data of storage in described memory element, i.e. the detection data not data of storage in described memory elementIn the range of, then prompting occurs abnormal, it is judged that may be entrained with prohibited items in the tire of this tested vehicle.
In the exemplary embodiment, also include: control device, be connected with radiation source device 110 and detector assembly 120,For controlling radiation source device 110 and the startup of detector assembly 120 and closedown.In certain embodiments, described control deviceIt can be Programmable Logic Controller.Radiation source device 110, detector assembly 120, sensory package etc. are by wired or wireless sideFormula is connected with described Programmable Logic Controller.
In certain embodiments, described control device is small-sized cabinet, is arranged on the side of detector assembly 120, band withToo network interface.
In certain embodiments, each module such as radiation source device 110, detector assembly 120, described control device is independently sealedClosing, the connection between module is plug-in type, it is not necessary to wiring, it is only necessary to change corresponding radiation source device according to vehicle,It is switched to general passenger vehicle tyre safe examination system or container vehicle tire safe examination system.Image capturing devices etc. are installed as far as possibleOn described detector assembly and described control device, reduce and on-the-spot interface.
In certain embodiments, this system 100 can also include power supply auxiliary, for independently-powered to each module, convenientRepair and maintenance.
In certain embodiments, this system 100 can also include data analysis set-up, enters all data of tested vehicleRow data analysis and data mining.
In certain embodiments, this system 100 may be provided for data-interface, can be integrated into the management of client's existing business and beIn system.
The vehicle tyre safe examination system that embodiment of the present invention provides, utilizes x radiation x imaging technique, is absorbed in vehicleThe scanography of tire, with strong points, with clearly defined objective, False Rate is low;Can quickly check vehicle tyre, this system usesAutomatically scanning mode of operation, directly can cross vehicle inspection passage without human users driver, need not stop.AnotherAspect, checks that speed is fast, and tested vehicle can drive through with the speed of 5km/h-20km/h, completes detection in several seconds;SystemSystem can round-the-clock running in 24 hours.Native system;System modular structure designs, and floor space is little.Another further aspect, according to client's needSummation field condition, it is provided that customize solution;Scanning system is with clearly defined objective, and operation is simple and reliable, can be with emphasis pinPassenger car and container vehicle tire location are carried out safety inspection.
Fig. 2 illustrates the structural representation of the another kind of safe examination system according to the disclosure one example embodiment.
As in figure 2 it is shown, safe examination system 200 includes: radiation source device 210 and detector assembly 220.
In the exemplary embodiment, wherein radiation source device 210 includes the first ray unit 211 and the second ray unit212, the first ray unit 211 is along first predetermined subtended angle α outgoing the first beam S1, so that the first beam S1 is through to presetSpeed is by checking the first tire 241 of the tested vehicle 240 of passage 230;Second ray unit 212 is along the second predetermined subtended angle βOutgoing the second beam S2, so that the second beam S2 is through the Part II (such as, the second tire 242) of this tested vehicle.
Wherein the first predetermined subtended angle α and the diameter of first tire 241, between first tire 241 and the first ray unit 211Distance dependent, it to meet or to approximate and meet this first beam S1 and can pass completely through the vertical of this first tire 241Cross section.Similarly, the second predetermined subtended angle β and the diameter of the second tire 242, the second tire 242 and the second ray unit 212 itBetween distance dependent, its to meet or approximate meet this second beam S2 can pass completely through this second tire 242 hang downStraight cross section.
In the exemplary embodiment, the first ray unit 211 and the second ray unit 212 all use X-ray production apparatus.Can rootX-ray production apparatus according to the Truck type choice respective model of tested vehicle.Such as, when tested vehicle is general passenger car, VJ-can be usedIXS0808(80KV、80W);When tested vehicle is container car, can be with VJ-IXS1820 (160KV, 200W).Implement at someIn example, two X-ray production apparatus use in back-to-back fashion to arrange.
In the exemplary embodiment, the first ray unit 211 includes that radiographic source and shield, described shield are used for shieldingRay outside first beam S1 and the second beam S2 goes out bundle.Described radiographic source can be placed in described shielding as radioactive sourceInternal, ray collimator can be provided with outside described shield.Described shield can use stereotype material.
Wherein, in the embodiment shown in Figure 2, the direction phase of the direction of the first predetermined subtended angle α and the second predetermined subtended angle βInstead.Such as, the first predetermined subtended angle α is towards the right side of tested vehicle 240, and the second predetermined subtended angle β is towards a left side for tested vehicle 240Side.Certainly, the disclosure is not limited.
In the exemplary embodiment, radiation source device 210 be at least partially disposed at check passage 230 road surface 231 itOn make the target center of radiation source expose road surface, and radiation source device 210 is positioned at the road surface central authorities of this inspection passage 230.
In certain embodiments, the angle of the first predetermined subtended angle is equal to the angle of the second predetermined subtended angle, i.e. α=β.Certainly,The disclosure is not limited.
Wherein detector assembly 220 include the first detector cells 221 of being correspondingly arranged with the first ray unit 211 andThe second detector cells 222 being correspondingly arranged with the second ray unit 212, the first detector cells 221 is for receiving through theFirst beam S1 of one tire 241, the second detector cells 222 is for receiving the second beam through the second tire 242S2。
In the exemplary embodiment, the first detector cells 221 is arranged at and checks that the first side of passage 230 is (such as rightSide), the second detector cells 222 is arranged at the second side 233 (such as left side) checking passage 230.In fig. 2, the first detectionDevice unit 221 and the second detector cells 222 are oppositely arranged.But the disclosure is not limited, as long as it can be respectively receivedBeam through the tire of tested left and right vehicle wheel both sides.
In the exemplary embodiment, the first detector cells 221 and the second detector cells 222 have predetermined altitude, itsDescribed in predetermined altitude according to the second predetermined subtended angle β of the first predetermined subtended angle α and the second beam S2 of the first beam S1 withAnd the size of first tire 241 and the second tire 242 determines, in order to ensure that quilt all used by two, the left and right tire of tested vehicle 240It is radiated completely.
Such as, for general passenger car, the distance between first tire 241 and the inner surface of the second tire 242 is1271.39mm, the distance between first tire 241 and the outer surface of the second tire 242 is 1865.74mm, tested vehicle 240The diameter of first tire 241 and the second tire 242 is 659.72mm, and the distance of tested passage 230 left and right sides is3211.97mm, and when first tire 241 and the second tire 242 relative radiation source apparatus 210 are symmetrical, can arrange this first pre-Determine subtended angle α and the second predetermined subtended angle β and be 40 degree, and rising of the first detector cells 221 and the second detector cells 222 is setInspection region height is about 1205.20mm.Certainly, above-mentioned data are based on being ideally given, and actual application places mayCan error.And above-mentioned data are that the specification according to general passenger car is given, the car for different size can select accordinglyScope of data.
In the exemplary embodiment, the first detector cells 221 and the second detector cells 222 are linear array detector.ItsDimension X-ray intensity distributions is detected by means of the light receiving element of arrangement on the length direction of two line array sensors.
In the exemplary embodiment, the first detector cells 221 and the second detector cells 222 are multiple, are respectively arrangedAt differing heights, for detecting the upper, middle and lower of tested vehicle 240 tire.
In the exemplary embodiment, the first detector cells 221 and the second detector cells 222 use single, double orMultiple rows of scintillator structure.Wherein said scintillator can be cadmium tungstate twinkling crystal, cesium iodide,crystal scintillation crystal or bismuth germanium oxideAt least one in scintillation crystal.In certain embodiments, the first detector cells 221 and the second detector cells 222 also wrapInclude the photomultiplier tube coupled with described scintillator.Certainly, other kinds of detector is also within the protection domain of the disclosure.
In the exemplary embodiment, the first beam S1 of the first predetermined subtended angle α and second ray of the second predetermined subtended angle βThe radiating surface of bundle S2 is each perpendicular to check the road surface 231 of passage 230.
In the exemplary embodiment, the front axle of tested vehicle 240 is detected when the first sensory package and the second sensory packageWhen left tire, right wheel tire (i.e. first tire 241 and the second tire 242) are close to radiation source device 210, control device and send controlSignal controls radiation source device 210 outgoing and has the ray of the first dosage, the first detector cells 221 and the second detector cells222 the first beam S1 and the second beam S2 receiving both sides respectively, the first beam S1 and second according to receiving penetratesWire harness S2 generates the first radiation image and second radiation image of front axle right wheel tire of front axle left tire respectively;When the 3rd sensing groupWhen part detects the front axle left tire of tested vehicle 240, right wheel tire the most completely by radiation source device 210, control device and send outGo out control signal control radiation source device 210 outgoing there is the ray of the second dosage or stop bundle.It is similar to, when first passesSense assembly and the second sensory package detect the rear axle left tire of tested vehicle 240, right wheel tire (i.e. third round tire and fourth roundTire) close to radiation source device 210 time, control device again send control signal control radiation source device 210 outgoing have firstThe ray of dosage, the first detector cells 221 and the second detector cells 222 receive the first beam S1 and of both sides respectivelyTwo beam S2, generate the 3rd radiation of rear axle left tire respectively according to the first beam S1 received and the second beam S2Image and the 4th radiation image of rear axle right wheel tire;When the 3rd sensory package detects the rear axle left tire of tested vehicle 240, the right sideWhen tire is the most completely by radiation source device 210, control device sends control signal control radiation source device 210 outgoing to be hadThe ray of the second dosage or stop bundle.Until all tire of this tested vehicle 240 be detected complete till.
In other embodiments, it would however also be possible to employ the first time-delay mechanism in similar above-mentioned embodiment and the second time delay dressPut and control radiation source device 210 and the keying of detector assembly 220, and with this, tested automobile front-axle and rear axle tire are dividedTime radiant image.Particular content refers to above-described embodiment, does not repeats them here.
It should be noted that " first ", " second ", " the 3rd ", " the 4th " in disclosure embodiment etc. are not used to limitDetermined number without in restriction order, such as might not only include a tire in first tire 241, potentially includes two wheelsTire is even more than tire;First tire 241 can be any tire in tested vehicle 240.
Sector the first beam that radiation source device sends to two sides from tested vehicle bottom and the second beam, penetrateIt is respectively installed in after the first tire of two sides/third round tire and the second tire/fourth round tire and checks the first of passage both sidesDetector cells and the second detector cells receive.Owing to article different parts density is different, the therefore degree of absorption to rayDifference, then the signal power of detector cells output is the most different, by signals different for power after image procossing, just at computerDemonstrate profile and the form of inside tires article on screen, thus can determine whether out whether each tire of tested vehicle is carried secretlyProhibited items.
The safe examination system that embodiment of the present invention provides, by being symmetrical arranged two detections in the left and right sides checking passageDevice unit, every side only to tire carry out radiant image, it is possible to about making, the radiation image of two tires does not has overlap.On the other hand, by radiation source device is arranged at the centre position, road surface checking passage, two, left and right tire fills with radiation sourcePut near symmetrical so that the radiation image magnification ratio of two tires in left and right is close or identical.Meanwhile, sail when two, left and right tireOpening radiation source device when entering radiation areas, two, left and right tire stops when sailing out of radiation areas bundle or reducing outgoing agentAmount so that only tire region is carried out imaging and not to other parts imaging so that the irradiation dose agent that driver and crew receiveAmount minimizes, it is ensured that the safety of system.
Other guide in the embodiment of the present invention refers to the content in above-mentioned Fig. 1 embodiment, does not repeats them here.
Fig. 3 schematically shows the structural representation of another safe examination system according to the disclosure one example embodiment.
As it is shown on figure 3, safe examination system 300 includes: radiation source device and detector assembly.
Wherein radiation source device includes the first ray unit 311 and the second ray unit 312, the first ray unit 311Along first predetermined subtended angle outgoing the first beam, so that the first beam can pass with pre-set velocity by checking the quilt of passageThe first tire of inspection vehicle;Second ray unit 312 is along second predetermined subtended angle outgoing the second beam, so that described second rayRestraint the second tire through tested vehicle.
Wherein detector assembly include the first detector cells 321 of being correspondingly arranged with the first ray unit 311 and withThe second detector cells 322 that second ray unit 312 is correspondingly arranged, the first detector cells 321 is for receiving through describedDescribed first beam of first tire, the second detector cells 322 is for receiving through described the second of described second tireBeam.
Wherein radiation source device is at least partially disposed on the road surface of described inspection passage, the first detector cells321 the first sides being arranged at described inspection passage, the second detector cells 322 is arranged at the second side of described inspection passage.ItsIt is with the difference of above-mentioned Fig. 2 illustrated embodiment, first ray unit of Fig. 2 and the back-to-back mode of the second ray unitBeing close to setting, the first detector cells and the second detector cells are oppositely arranged, and in the embodiment of fig. 3, first penetratesLine unit and the second ray unit are separated a predeterminable range L along the length direction checking passage and are arranged, accordingly, and the first detectionDevice unit and the second detector cells separate described predeterminable range L also along the length direction of this inspection passage and arrange.
Accordingly, the first side of the first ray unit 311 is provided with the first sensory package and the second sensing group of its correspondenceFor exporting transducing signal, part, represents that the first tire of tested vehicle or third round tire (such as two tires before and after right side) enterEntering described inspection passage, system 300 controls the first ray unit 311 and the first detector cells 321 opens first tire orThe radiant image work of three tires;Second side of the first ray unit 311 is provided with the 3rd sensory package of its correspondence, for defeatedGoing out transducing signal and represent that the first tire of tested vehicle or third round tire sail out of described inspection passage, system 300 controls first and penetratesLine unit 311 and the first detector cells 321 stop the radiant image work of first tire or third round tire.It is similar to, secondSecond side of ray unit 312 is provided with the first sensory package and second sensory package of its correspondence, is used for exporting transducing signalRepresent that the second tire or the fourth round tire (such as two tires before and after left side) of tested vehicle enter described inspection passage, systemControl the second ray unit 312 and the second detector cells 322 opens the radiant image work of the second tire or fourth round tire;TheSecond side of two ray unit 312 is provided with the 3rd sensory package of its correspondence, is used for exporting transducing signal and represents tested vehicleThe second tire or fourth round tire sail out of described inspection passage, system controls the second ray unit 312 and the second detector cellsThe 322 radiant image work stopping the second tire or fourth round tire.
In the exemplary embodiment, the first ray unit 311 and the second ray unit 312 may be contained within the road of tested passageCentre position, face.But the disclosure is not limited, it is also possible to be arranged on the road surface of tested passage near certain side.
The safe examination system that embodiment of the present invention provides, is penetrated by the first ray unit and second that arranges separated by a distanceLine unit, the most first scans the right side front wheel tire radiant image of tested vehicle, after spending certain time, then by the second ray unitThe left side front tyre radiant image of the tested vehicle of rear scanning, so can reduce the amount of radiation to driver and crew further.
Other guide in the embodiment of the present invention, with reference to above-described embodiment, does not repeats them here.
Should be understood that the structure that Fig. 1-3 schematically shows is only the example of the safe examination system according to the disclosure, the disclosure is notIt is limited to this.For example, it is also possible to arrange two (more than or) in the same side (such as right side or left side) checking passage simultaneouslyDetector cells and two ray unit being correspondingly arranged, may be used for respectively to two tires before and after tested vehicle simultaneouslyRadiant image etc..
Fig. 4 schematically shows the flow chart of the safety inspection method according to the disclosure one example embodiment.
As shown in Figure 4, in step s 12, with the first beam along the first predetermined subtended angle outgoing through with pre-set velocityBy checking the Part I of the tested vehicle of passage.
Such as, described Part I can be the first tire of this tested vehicle, and described first tire can be tested carRight side or arbitrary front tyre in left side or rear tyre.
In step S14, receive described first beam and export the first ray intensity data.
In step s 16, the first radiation image of described Part I is generated according to described first ray intensity data.
In step S18, judge whether described Part I carries prohibited items secretly according to described first radiation image.
In the exemplary embodiment, also include: when detecting that the described Part I of described tested vehicle is by described inspectionWhen looking into the radiation areas in passage, through a predetermined time delay, scan the of described tested vehicle with described first beamThree parts also check in described Part III whether carry prohibited items secretly.
Such as, described Part III can be the third round tire of this tested vehicle, and described third round tire can be describedThe rear tyre of one tire homonymy.
Other guide in the embodiment of the present invention, with reference to above-described embodiment, does not repeats them here.
Fig. 5 schematically shows the flow chart of the safety inspection method according to the disclosure one example embodiment.
As it is shown in figure 5, in step S22, the most simultaneously with the first beam along the first predetermined subtended angle outgoing with along theSecond beam of two predetermined subtended angle outgoing through with pre-set velocity by checking the Part I and the of the tested vehicle of passageTwo parts.
Such as, described Part I and described Part II can be respectively the first tire and second of described tested vehicleTire, described first tire and described second tire can be two tires about the front axle of tested vehicle.
In step s 24, receive described first beam and described second beam respectively and export the first ray respectivelyIntensity data and the second ray intensity data.
In step S26, generate institute according to described first ray intensity data and described second ray intensity data respectivelyState the first radiation image of Part I and the second radiation image of described Part II.
In step S28, judge described first according to described first radiation image and described second radiation image respectivelyDivide and whether described Part II carries prohibited items secretly.
In step S210, pass described tested vehicle with described first beam and described second beam the most simultaneouslyPart III and Part IV.
Such as, described Part III and described Part IV can be respectively the third round tire and the 4th of described tested vehicleTire, described third round tire and described fourth round tire can be two tires about the rear axle of tested vehicle.
In step S212, receive described first beam and described second beam respectively and export trilete rays respectivelyIntensity data and the 4th ray intensity data.
In step S214, generate institute according to described trilete rays intensity data and described 4th ray intensity data respectivelyState the 3rd radiation image and the 4th radiation image of described Part IV of Part III.
In step S216, judge described 3rd according to described 3rd radiation image and described 4th radiation image respectivelyDivide and whether described Part IV carries prohibited items secretly.
Wherein above-mentioned steps S28 and step S216 can merge into a step, i.e. wait until to get a tested vehicleAll go again to judge whether various piece carries prohibited items secretly after the radiation image of tire.
Other guide in the embodiment of the present invention, with reference to above-described embodiment, does not repeats them here.
Fig. 6 schematically shows the flow chart of the safety inspection method according to the disclosure one example embodiment.
As shown in Figure 6, in step s 32, with the first beam along the first predetermined subtended angle outgoing through with pre-set velocityBy checking the first tire of the tested vehicle of passage.
In step S34, receive described first beam and export the first ray intensity data.
In step S36, generate the first radiation image of described first tire according to described first ray intensity data.
In step S38, judge whether described first tire carries prohibited items secretly according to described first radiation image.
In step S310, take turns with second along the second beam of the second predetermined subtended angle outgoing through described tested vehicleTire.
Wherein, the direction of described second predetermined subtended angle is different from the direction of described first predetermined subtended angle.
In step S312, receive described second beam and export the second ray intensity data.
In step S314, generate the second radiation image of described second tire according to described second ray intensity data.
In step S316, judge whether described second tire carries prohibited items secretly according to described second radiation image.
By above detailed description, those skilled in the art it can be readily appreciated that system according to embodiments of the present invention andMethod has one or more of the following advantages.
Utilize safe examination system and the method thereof of the disclosure, can quickly be checked the wheel of vehicle in traveling by radiant imageWhether tire carries prohibited items secretly.Can arrange different radiation source modules for different vehicles, emphasis is for passenger car and collectionVanning vehicle tyre carries out safety inspection.
More than it is particularly shown and described the exemplary embodiment of the disclosure.It should be understood that the disclosure is not limited to institute's public affairsThe embodiment opened, on the contrary, the disclosure be intended to contain the various amendments comprised in the spirit and scope of the appended claims and etc.Effect is arranged.

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CN201610728728.5A2016-08-252016-08-25Imaging device and method for vehicle safety inspectionActiveCN106290422B (en)

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PCT/CN2017/090351WO2018036265A1 (en)2016-08-252017-06-27Imaging device for use in vehicle security check and method therefor
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