The content of the invention
The technical problems to be solved by the invention are generally speaking to provide a kind of passenger car blind area that is applied to and intelligently aid in carLoading system；In actual use, because being run at a low speed in urban congestion road as normality, it is blind that driver more pays close attention to front of the hostArea.In order to solve Chinese herbaceous peony blind area, left side camera is arranged on automobile left side tailstock neighbouring position to front irradiation；Right side camera peaceMounted in car right side tailstock neighbouring position to front irradiation.The home vehicle of highway driving, driver more pay close attention to lane change and overtaken other vehicles and sideThe risk of side track vehicle collision, thus driver more pay close attention to car after, Side Blind.Overtaken other vehicles wind caused by blind area to solve lane changeDanger, left side camera irradiate backward installed in left side rearview mirror, and right side camera irradiates backward installed in right rear.In detailThe technical problem and acquirement beneficial effect of solution content in aftermentioned content and combination embodiment specifically describe.
One kind be applied to passenger car blind area intelligently auxiliary onboard system, including installed in four of vehicle outer side or five withThe upper and blind area camera module for being imaged to motor vehicle environment；Blind area camera module is one of following two combinations：CombinationOne, including rear middle camera and preceding n-type shooting system among automobile rear and for shooting automobile rear F blind areasSystem, the preceding n-type camera system include being arranged among automotive front and are used for the preceding middle shooting for shooting vehicle front A blind areasHead, on the left of the car and for shooting the left front camera of automobile left front B blind areas, on the right side of car and for shooting vapourThe right preceding camera of car right front D blind areas；
Combination two, including among the automotive front and for shooting middle camera and rear U before vehicle front A blind areasType camera system, the rear U-shaped camera system include being arranged on the left of car and are used for left back the taking the photograph for shooting automobile left back G blind areasAs head, on the right side of car and for shooting the right rear camera of automobile left back J blind areas and being arranged among automobile rearAnd for shooting the rear middle camera of automobile rear F blind areas.Preceding middle camera is arranged at automotive front LOGO or front bumperMiddle position；Afterwards middle camera be arranged at automobile rear LOGO, rear license plate lamp side or rear bumper middle position；When blindFor combination for the moment, left front camera is arranged on the left of car body at rearview mirror and to front irradiation or installed in automobile area's camera moduleAt the tailstock of left side and to front irradiation；Right preceding camera is arranged at car body right rear and to front irradiation or installed in the car body right sideSide camera is arranged at the car right side tailstock and to front irradiation；When blind area camera module is combines two, left back cameraAt rearview mirror on the left of car body and irradiate or irradiate at the automobile left side tailstock and backward backward；Right rear camera peaceAt car body right rear and irradiate or irradiate at the car right side tailstock and backward backward.Input block, with it is defeatedEnter application processor, the output unit electrically connected with application processor of unit electrical connection；Input block include input with it is blindThe video switch logic controller of area's camera module output end electrical connection；Output unit includes being used for split screen display available image or listScreen shows the display screen of blind area camera module shooting information, and display screen electrically connects with application processor.The system also include withAt least one of lower scheme：Scheme a, input block also include being arranged on automobile and being electrically connected with video switch logic controllerWhat is connect looks around camera module and/or ADAS systems；Look around camera module and/or ADAS systems and application processor communication linkConnect；Scheme b, the output unit also include the sound/optical electrical prompting module and/or image store electrically connected with application processor；Scheme c, input block also include the trigger signal interface electrically connected with video switch logic controller；Wherein, car action signalElectrically connected by automobile bus/control circuit with trigger signal interface, wherein, when blind area camera module is to combine a period of time, carAction signal includes following at least two signal and switched：Signal one, at the same gate left front camera, it is rear in camera andThe CAN/ manual ringings of right preceding camera；Signal two, while the brake signal of middle camera and rear middle camera before gating；SignalThree, while gating looks around camera module and the brake signal of rear middle camera；
Signal four, while the astern signal of middle camera and rear middle camera before gating；Signal five, while gating looks around cameraThe astern signal of module and rear middle camera；Signal six, at the same gate the left rotaring signal of left front camera and preceding middle camera withGES；Signal seven, while gate left front camera and look around the left rotaring signal and GES of camera module；SignalEight, while gate the right turn signal and GES of right preceding camera and preceding middle camera；
Signal nine, while gating looks around the right turn signal and GES of camera module and right preceding camera；Signal ten, simultaneouslyBig modulating signal of the middle camera with looking around camera module before gating；Wherein, when blind area camera module is combines two, car movesMaking signal includes following at least two signal and switches：Signal A, at the same gate left back camera, it is rear in behind camera and the right sideThe car action signal of camera；Signal B, while the brake signal of middle camera and rear middle camera before gating；Signal C, the carFast signal is less than preset vehicle speed, when to run at a low speed, while gating look around camera module with it is rear in the brake of camera believeNumber and GES；
When the GES is not less than preset vehicle speed, to run at high speed, while before gating middle camera with it is rear in camera brakeCar signal and GES；Signal D, while the astern signal of middle camera and rear middle camera before gating；Signal E, is selected simultaneouslyIt is logical to look around camera module and the astern signal of rear middle camera；Signal F, while gate left back camera and rear middle cameraCar action signal；Signal G, when the GES is less than preset vehicle speed, to run at a low speed, at the same gating look around camera module withThe left rotaring signal and GES of middle camera afterwards；When the GES is not less than preset vehicle speed, to run at high speed, gate simultaneouslyThe left rotaring signal and GES of left back camera and rear middle camera；Signal H, while gate right rear camera and rear middle shootingThe right turn signal and GES of head；Signal J, when the GES is less than preset vehicle speed, to run at a low speed, while gating is looked aroundThe right turn signal and GES of camera module and right rear camera：When the GES is not less than preset vehicle speed, at a high speedTraveling, while gate right rear camera and the right turn signal and GES of rear middle camera；Signal K, at the same gate before in take the photographAs head and the big modulating signal for looking around camera module.Display screen is electrically connected with backlight drive module, display screen and Chinese herbaceous peony panel and led toRotary shaft rack connection is crossed, warning automobile left side is provided with the left of display screen and has the left side warning lamp of barrier, the right side of display screenSide, which is provided with warning car right side, which has the right side warning lamp of barrier, is provided with warning vehicle front above display screen obstacleWarning automobile rear is provided with below the front warning lamp, and/or display screen of thing barrier rear warning lamp；Positioned in carThe radar of front side is electrically connected with front warning lamp by processor and/or passes through processor and rear positioned at the radar at car rear portionWarning lamp electrically connects.Electrically connected positioned at the radar on the left of car by processor with front warning lamp and/or positioned on the right side of carRadar electrically connected by processor with right side warning lamp.Look around camera module shooting look around blind area covering it is described after it is U-shapedThe blank blind area C and/or preceding n-type camera system shooting blank blind area E that camera system shooting retains.When blind area, camera module isFor the moment, it includes video image state during at least one following state, state one for combination, and left front camera is shot left frontD blind areas are respectively displayed on display screen before the right side of B blind areas, the just rear F blind areas of rear middle camera shooting and the shooting of right preceding cameraIn one-to-one split screen；D blind areas before state two, the left front B blind areas of left front camera shooting or the right side of right preceding camera shooting,And the just preceding A blind areas of preceding middle camera shooting are respectively displayed in the one-to-one split screen of display screen；State three, imaged in rearThe just rear F blind areas of head shooting and the just preceding A blind areas of preceding middle camera shooting are respectively displayed on the one-to-one split screen of display screenIn；State four, display screen are at least divided to two screens to show panorama type video image in groups, wherein, look around the bat of camera module cameraLook around left-hand rotation blind area and the left front B blind areas of left front camera shooting taken the photograph are respectively displayed in the one-to-one split screen of display screenOr D blind areas are shown respectively before looking around the right side for looking around right-hand rotation blind area and the shooting of right preceding camera of camera module camera shootingIn the one-to-one split screen of display screen；State five, display screen are at least divided to two screens to show panorama type video image in groups, wherein,Look around just rear or positive front blind-area and the rear F blind areas of rear middle camera shooting for looking around the shooting of camera module camera are distinguishedIt is shown in the one-to-one split screen of display screen.When blind area camera module for combination two when, it include it is at least one belowVideo image state during state, state I, display screen at least divide the three screens all U shape that display single video image combines video in groupsImage, wherein, the left back G blind areas of left back camera shooting, the just rear F blind areas of rear middle camera shooting and right rear cameraJ blind areas are respectively displayed in the one-to-one split screen of display screen behind the right side of shooting；State I I, display screen are at least divided to the display of two screens singleThe half U type video image in groups of video image combination, the left back G blind areas of left back camera shooting or the right side of right rear camera shootingJ blind areas are respectively displayed on display screen afterwards and the just rear F blind areas of rear middle camera shooting are respectively displayed on display screen one-to-one correspondingSplit screen in；The just preceding A blind areas difference of state I II, the just rear F blind areas of rear middle camera shooting and preceding middle camera shootingIt is shown in the one-to-one split screen of display screen；State I V, display screen are at least divided to two screens to show panorama type video image in groups, itsIn, the left back G blind areas of left back camera shooting and look around the left-hand rotation blind area of looking around of camera module camera shooting and show respectivelyShow in the one-to-one split screen of display screen or look around camera module camera shooting look around right-hand rotation blind area and the right side after take the photographAs head shoot the right side after J blind areas be respectively displayed in the one-to-one split screen of display screen；State V, display screen are at least divided to two screen displaysShow panorama type video image in groups, wherein, look around after the looking around just of camera module camera shooting or positive front blind-area and afterThe rear F blind areas of middle camera shooting are respectively displayed in the one-to-one split screen of display screen.Home vehicle vehicle body is short, it is thus only necessary toFour cameras and cooperation, which are looked around, can be achieved non-blind area monitoring, i.e., forward and backward, each one of left and right, is driven and practised according to different driversUsed requirement, customized different schemes, meet that driver driving is accustomed to, make up the defects of driver driving is accustomed to, diverse location is installed, itsIt is easy for installation, it is necessary to carry out larger transformation to automobile appearance, by designing CPLD pretreatments, share the load of processor, insteadAnswer speed high, be delayed as 0.01-0.02s, the trust of driver can be obtained safely, switching blind area is safe and reliable, it is not necessary to redOuter dependence, visual effect are more directly perceived clear.Benefit of the present invention：Blind area is aided in, looks around the combination of camera single video imageVideo image is shown on automobile display screen in groups, and display screen is arranged on Auto Instrument desk top, can effectively aid in drivingThe person of sailing goes observation that video image in groups is presented on a display screen with most safe, the most comfortable visual angle, and it is auxiliary thoroughly to solve original blind areaHelp image display panel with amusement navigation screen share influence each other and blind area auxiliary single-image cause information content small the problem of, so as to carryHigh vehicle security drive performance, mitigate driver fatigue intensity and reduce the car accident caused by vehicle blind zone, suitable for extensivePopularization and application, while do more technological reserve accumulation to cancel in-car outside rear-view mirror.Present invention is especially suited for the short car such as home vehicleThe requirement of body, in addition, middle camera 4 is arranged at automotive front LOGO before the installation of the invention or front bumper is placed in the middlePosition, so as to realize the shooting to Chinese herbaceous peony blind area, this is not available for existing onboard system, preceding because traditional thought is thoughtSide installation camera haul up, for being made dirty by dust, miriness, for example, automobile preposition image system-201610548205.2 with car Qian Huang areas viewer -201610023114.7 and conventional mounting mode, be all to be pacifiedOn front glass or at rearview mirror, although can realize that front is shot, it can not realize to the shooting in front of headstock, and thisBlock is the blind area of driver, and when particularly there are child, hole or stone in front or enter garage, driver can't see at all, and this is existingHave not available for camera, in addition, the position camera in actual use, especially travels at a high speed, in city, will not be dirtyDirt is blocked, even if the rainy day is dirty or when being travelled on soil, is wiped.
Embodiment
With reference to shown in figure 1-11, the present embodiment be applied to passenger car blind area intelligently auxiliary onboard system, including installed inFour of vehicle outer side or more than five and the blind area camera module 15 for being imaged to motor vehicle environment；Blind area camera module15 be one of following two combinations：Combination one, including among automobile rear and for shooting automobile rear F blind areasMiddle camera 3 and preceding n-type camera system afterwards, preceding n-type camera system include being arranged on automotive front middle and for shootingThe preceding middle camera 4 of vehicle front A blind areas, gone up and on the outside of left back car for shooting the left front of automobile left front B blind areasCamera 5, the right preceding camera 6 on right rear car outside and for shooting D blind areas in front of Automobile Right.Application processor 22Gating circuit is formed with video switch logic controller 21.Combination two, including among automotive front and for shooting vapourThe preceding middle camera 4 of front side A blind areas and rear U-shaped camera system, rear U-shaped camera system include being arranged at left-hand mirrorAnd for shooting the left back camera 1 of automobile left back G blind areas, at right rear view mirror and for shooting automobile left back JThe right rear camera 2 of blind area and it is arranged on automobile rear middle and for shooting the rear middle cameras of automobile rear F blind areas3。
Preceding middle camera 4 is arranged at automotive front LOGO or front bumper middle position；Middle camera 3 is arranged on vapour afterwardsAt the LOGO of car rear portion, rear license plate lamp side or rear bumper middle position；
Present invention is especially suited for the requirement of the short vehicle body such as home vehicle, in addition, middle camera 4 is installed before the installation of the inventionAt automotive front LOGO or front bumper middle position, so as to realize the shooting to Chinese herbaceous peony blind area, this is existing onboard systemNot available, because traditional thought is thought, front installation camera hauls up, for being made dirty by dust, miriness, such asAutomobile preposition image system -201610548205.2 and car Qian Huang areas viewer -201610023114.7 and traditionMounting means, it is installed on front glass or at rearview mirror, although can realize that front is shot, can not be realized pairShooting in front of headstock, and this block is the blind area of driver, when particularly there are child, hole or stone in front or enter garage, departmentMachine be can't see at all, and this is not available for existing camera, in addition, the position camera is in actual use, especially at a high speed,Travel, will not be blocked by dirty in city, even if the rainy day is dirty or when being travelled on soil, wiped.
When blind area camera module 15 for combination for the moment, left front camera 5 is arranged on the left of car body at rearview mirror and forwardIrradiation or at the automobile left side tailstock and to front irradiation；Right preceding camera 6 be arranged on car body right rear at and forwardIrradiation or camera is arranged at the car right side tailstock and to front irradiation on the right side of the car body；
When blind area camera module 15 is combines two, left back camera 1 is arranged on the left of car body at rearview mirror and irradiated backwardOr irradiate at the automobile left side tailstock and backward；Right rear camera 2 is arranged at car body right rear and irradiated backwardOr irradiate at the car right side tailstock and backward.
Input block, the application processor 22 electrically connected with input block, the output list electrically connected with application processor 22Member；
Input block includes the video switch logic controller 21 that input electrically connects with the output end of blind area camera module 15；
Output unit includes showing that blind area camera module 15 images the display screen 8 of information for split screen display available image or single screen,Display screen 8 electrically connects with application processor 22.
The present invention by preceding n-type camera system will be left front, right before, front blind area outdoor scene image information or by rear U-shapedCamera system will be left back, right after, dead astern blind area outdoor scene shooting information transfer to application processor 22, the display of display screen 8 is correspondingThe composite video image of position, meet driver from display screen once from multi-angle blind area demand, reduce driver repeatedly turn roundThe secondary blind area risk in front, rear that head viewing left and right outside or inside rearview mirror is brought, while slow down driver's nervous psychology, dropLow tired driver intensity.
Video image is more directly perceived compared to traditional radar reversing, is transferred to greatly by ear compared to the radar alarm velocity of soundBrain, eyes captured information more facilitate the reaction time for directly rapidly, shortening driver, reduce the unexpected danger of driving, correspondingThe special barrier that radar can not be caught, can be with Direct Acquisition by camera.
The system also includes at least one of following scheme：
Scheme a, input block also include being arranged on automobile and look around shooting with what video switch logic controller 21 electrically connectedHead mould group 7 and/or ADAS systems 20；Camera module 7 and/or ADAS systems 20 is looked around to communicate to connect with application processor 22；
By being combined with looking around camera module 7 and/or ADAS systems 20, the part of blind area camera module 15 not only compensate forRealize that more perfect total blindness area solution to reach more preferably effect, can also preferably carry out barrier ranging in blind area.By redYellowish green three color locking barrier is gone forward side by side row distance numerical data display alarm, and the greenish-yellow red trichromatism LED of frame point over the displayEye-catching prompting is done in large area alternating display.Sound is had when red display is reminded, corresponding prompting is done in vibrations.Pass through AV1-AV3Three road screen-picture interfaces, and the tunnel remote alarm interface of warning lamp 4.
Scheme b, output unit also include sound/optical electrical prompting module 24 and/or the image electrically connected with application processor 22Storage 25；
Scheme c, input block also include the trigger signal interface 17 electrically connected with video switch logic controller 21；Wherein, carAction signal 19 is electrically connected by automobile bus/control circuit 18 with trigger signal interface 17, and car action signal 19 includes automobileGES, parking brake action signal, astern signal, turn signal, brake signal, and/or the car light signal of traveling.
By being connected with interface with automobile line, the default control logic in video switch logic controller 21, by automobileAction signal and controlling switch/relay of corresponding camera are corresponding, realize the different actions of automobile, realize correspondence position cameraOpening, the real-time imaging information of the position is shown by display screen.
Display screen 8 is electrically connected with backlight drive module 23, display screen 8 is connected by rotary shaft rack 13 with Chinese herbaceous peony panel, shownThe left side of display screen 8, which is provided with warning automobile left side, has the left side warning lamp 9 of barrier, the right side of display screen 8 to be provided with warning vapourHaving the right side warning lamp 10 of barrier, the top of display screen 8 to be provided with warning vehicle front on the right side of car has the front police of barrierShow that the lower section of lamp 11, and/or display screen 8 is provided with warning automobile rear and has barrier rear warning lamp 12.
Because stimulation of the light to people is much larger than the stimulation of sound, by designing warning lamp, lighted when running into barrier, so as toShorten the reaction time of driver, shorten brain identification and judge the time.
Sound/optical electrical prompting module 24 includes being controlled by application processor 22 and installed in the vibration electricity of gas pedal dorsal partMachine 14, warning lamp, the vibrating motor installed in steering wheel dorsal part for being controlled by application processor 22 and being arranged on display screen 814th, controlled by application processor 22 and the vibrating motor 14 on the vehicle seat, controlled by application processor 22 flicker car light,And/or the automobile audio of sounding is controlled by application processor 22.
Electrically connected positioned at the radar in Chinese herbaceous peony side by processor with front warning lamp 11 and/or positioned at the thunder at car rear portionElectrically connected up to by processor with rear warning lamp 12；Mould is reminded by processor and sound/optical electrical positioned at the radar in Chinese herbaceous peony sideBlock 24 is electrically connected and/or electrically connected positioned at the radar at car rear portion by processor with sound/optical electrical prompting module 24.Radar leads toCross sound/optical electrical and remind and coordinate, improve the security of traveling, be particularly suitable for running at a low speed.
By designing vibrating alert, sound equipment is reminded, and photoelectricity is reminded, and so as to remind driver to greatest extent, is particularly suitable for growingWay driver, fatigue driving, night running, situations such as traveling in the rain.
When blind area camera module 15 for combination two when, the visual angle ε values of left back camera 1 and right rear camera 2 betweenBetween 30 ° -45 ° or between 45 ° -60 ° or between 60 ° -75 °；The visual angle γ values of middle camera 3 are between 90 ° -120 ° afterwardsOr between 120 ° -150 °；The visual angle α values of preceding middle camera 4 are between 90 ° -120 ° or between 120 ° -150 °；
When blind area camera module 15 for combination for the moment, the visual angle β values of left front camera 5 and right preceding camera 6 between 30 °-Between 45 ° or between 45 ° -60 ° or between 60 ° -75 °；Afterwards the visual angle γ values of middle camera 3 between 90 ° -120 ° orBetween 120 ° -150 °；The visual angle α values of preceding middle camera 4 are between 90 ° -120 ° or between 120 ° -150 °.
According to installing the automobile at above-mentioned visual angle in running test, above-mentioned angle parameter it is possible to prevente effectively from rear both sides with justSide blind area afterwards, very big limit is avoided to improve the security of driving.
That looks around the shooting of camera module 7 looks around the blank blind area C that U-shaped camera system shooting retains after blind area coversAnd/or preceding n-type camera system shooting blank blind area E.
The combination of this patent can be used, visual angle blind zone also be present in automobile nearside, clapped by looking around camera module 7Looking around of the taking the photograph blank blind area C that U-shaped camera system shooting after the covering of blind area retains and/or preceding n-type camera system shooting blank are blindArea E.There is the presence such as child, hollow place or stone so as to be effectively observed blank blind area.
As shown in figure 1, when blind area camera module 15 is to combine a period of time, regarding when it includes at least one following stateFrequency image state, state one, left front B blind areas that left front camera 5 is shot, it is rear in camera 3 shoot just after F blind areas andD blind areas are respectively displayed in 8 one-to-one split screen of display screen before the right side that right preceding camera 6 is shot；
State two, before the right side that the left front B blind areas or right preceding camera 6 that left front camera 5 is shot are shot D blind areas and it is preceding in take the photographAs the just preceding A blind areas of first 4 shootings are respectively displayed in 8 one-to-one split screen of display screen；
State three, the just rear F blind areas and the just preceding A blind areas of preceding middle camera 4 shooting that rear middle camera 3 is shot are respectively displayed onIn 8 one-to-one split screen of display screen；
State four, display screen 8 are at least divided to two screens to show panorama type video image in groups, wherein, look around the camera of camera module 7The left front B blind areas that left-hand rotation blind area and left front camera 5 are shot of looking around of shooting are respectively displayed on display screen 8 and divided correspondinglyIn screen or look around D blind areas point before the right side looked around right-hand rotation blind area and right preceding camera 6 and shot of the camera of camera module 7 shootingIt is not shown in 8 one-to-one split screen of display screen；
State five, display screen 8 are at least divided to two screens to show panorama type video image in groups, wherein, look around the camera of camera module 7The rear F blind areas just rear or that just front blind-area and rear middle camera 3 are shot of looking around of shooting are respectively displayed on display screen 8 one a pairIn the split screen answered.
When blind area camera module 15 is combines two, it includes video image shape during at least one following stateState,
State I, display screen 8 at least divide the three screens all U shape that display single video image combines video image in groups, wherein, it is left back to take the photographJ is blind behind the right side that the just rear F blind areas and right rear camera 2 that the left back G blind areas of the shooting of picture first 1, rear middle camera 3 are shot are shotArea is respectively displayed in 8 one-to-one split screen of display screen；
State I I, display screen 8 are at least divided to the two screens half U type that display single video image combines video image in groups, left back camera 1J blind areas are respectively displayed on display screen 8 and rear middle camera 3 behind the right side that the left back G blind areas of shooting or right rear camera 2 are shotThe just rear F blind areas of shooting are respectively displayed in 8 one-to-one split screen of display screen；
State I II, the just rear F blind areas and the just preceding A blind areas of preceding middle camera 4 shooting that rear middle camera 3 is shot are shown respectivelyIn 8 one-to-one split screen of display screen；
State I V, display screen 8 are at least divided to two screens to show panorama type video image in groups, wherein, left back camera 1 is shot left backG blind areas and look around the left-hand rotation blind area of looking around of the camera of camera module 7 shooting and be respectively displayed on display screen 8 and divide correspondinglyIn screen or look around J blind areas point behind the right side looked around right-hand rotation blind area and right rear camera 2 and shot of the camera of camera module 7 shootingIt is not shown in 8 one-to-one split screen of display screen；
State V, display screen 8 are at least divided to two screens to show panorama type video image in groups, wherein, look around the camera of camera module 7The rear F blind areas just rear or that just front blind-area and rear middle camera 3 are shot of looking around of shooting are respectively displayed on display screen 8 one a pairIn the split screen answered.
Above-mentioned video image in groups shows in display screen, meet driver from display screen once from multi-angle blind area needAsk, reduction driver, which repeatedly turns one's head, watches the secondary blind area risk in front, rear that left and right outside or inside rearview mirror is brought, and subtracts simultaneouslySlow driver's nervous psychology, reduce tired driver intensity；Occur when being particularly suitable for rainy day, winter on outside rear-view mirror or vehicle window water smoke orInfluence of the globule to driver's sight, so as to which car accident rate be greatly reduced.It is complete by the use to product, adaptation, trust, driverOnly it can substitute the left and right outside rear-view mirror of observation and the habit of room mirror by observing the composite video image on display screen entirelyIt is used, do technological accumulation and deposit to cancel rearview mirror.
As shown in figure 1, the control method of the camera blind area applied to home vehicle of the present embodiment, by means of installing respectivelyDisplay screen 8 that ADAS systems 20 on automobile, split screen are realized, blind area camera module 15, video switch logic controller 21,And application processor 22；Comprise the following steps：
Step 1, first, according to automotive type and/or the vehicle-mounted blind area of looking around for looking around camera module 7, the shooting of adjustment blind areaThe visual angle of each camera in head mould group 15；
Step 2, first, the input signal of trigger signal interface 17 is first passed through according to car action signal 19 to control to video switch logicDevice 21, video switch logic controller 21 set each in the blind area camera module 15 in running car take the photograph further according to the signalAs the control program of head；Then, the shooting content that application processor 22 shows control program single screen or split screen on display screen 8Play in real time；
Wherein, when blind area camera module 15 is combination a period of time, control program includes as follows：
Scheme one, first, the CAN/ manual ringings of car action signal 19 are with CAN control signals/individually triggering level signal transmissionTo video switch logic controller 21；Then, according to the CAN/ manual ringings of the car action signal 19 of input, video switch logicController 21 controls left front camera 5 to shoot B blind areas, the rear middle shooting F blind areas of camera 3 and right preceding camera 6 and shot respectivelyD blind areas；Secondly, left front camera 5, rear middle camera 3 and right preceding camera 6 are respectively by the blind area real-time imaging letter of shootingBreath is transferred to video switch logic controller 21, and video switch logic controller 21 is transmitted further to application processor 22；Finally, shouldWith processor 22 according to input information by B blind areas, F blind areas and D blind areas the split screen display available image on display screen 8；
Scheme two, first, the brake signal of car action signal 19 are transferred to and regarded with CAN control signals/independent triggering level signalFrequency switch logic controller 21；Then, according to the brake signal of the car action signal 19 of input, video switch logic controller 21Middle camera 4 shoots A blind areas, the middle shooting F of camera 3 blind areas after controlling of video switch logic controller 21 before control；Secondly, it is precedingPhotographing information is transferred to video switch logic controller 21, video switch logic controller by middle camera 4 with rear middle camera 321 are transmitted further to application processor 22；Finally, application processor 22 according to input information by A blind areas and F blind areas on display screen 8Split screen display available image；
Scheme three, first, the brake signal of car action signal 19 are transferred to and regarded with CAN control signals/independent triggering level signalFrequency switch logic controller 21；Then, according to the brake signal of the car action signal 19 of input, video switch logic controller 21Positive front blind-area information is looked around depending on the shooting of camera module 7 according to brake signal control ring, while middle camera 3 shoots F after controlBlind area；Again, look around camera module 7 and photographing information is transferred to video switch logic controller 21 with rear middle camera 3, depending onFrequency switch logic controller 21 is transmitted further to application processor 22；Finally, application processor 22 will look around just according to input informationFront blind-area and F blind areas split screen display available image on display screen 8；
Scheme four, first, the astern signal of car action signal 19 are transferred to and regarded with CAN control signals/independent triggering level signalFrequency switch logic controller 21；Then, according to the astern signal of the car action signal 19 of input, video switch logic controller 21Middle camera 4 shoots A blind areas, the middle shooting F of camera 3 blind areas after controlling of video switch logic controller 21 before control；Secondly, it is precedingPhotographing information is transferred to video switch logic controller 21, video switch logic controller by middle camera 4 with rear middle camera 321 are transmitted further to application processor 22；Finally, application processor 22 according to input information by A blind areas and F blind areas on display screen 8Split screen display available image；
Scheme five, first, the astern signal of car action signal 19 are transferred to and regarded with CAN control signals/independent triggering level signalFrequency switch logic controller 21；Then, according to the astern signal of the car action signal 19 of input, video switch logic controller 21Dead zone information after control ring is looked around just depending on the shooting of camera module 7, middle camera 3 is clapped after video switch logic controller 21 controlsTake the photograph F blind areas；Secondly, look around camera module 7 and photographing information is transferred to video switch logic controller with rear middle camera 321, video switch logic controller 21 is transmitted further to application processor 22；Finally, application processor 22 according to input information by ringDepending on just rear blind area and F blind areas split screen display available image on display screen 8；
Scheme six, first, the left rotaring signal of car action signal 19, GES are with the triggering level signal of CAN control signals/individuallyIt is transferred to video switch logic controller 21；Then, video switch logic controller 21 controls left front shooting according to left rotaring signalFirst 5 shooting B dead zone informations, while middle camera 4 shoots A blind areas before control；Again, left front camera 5 will with preceding middle camera 4Photographing information is transferred to video switch logic controller 21, and video switch logic controller 21 is transmitted further to application processor 22；Finally, application processor 22 according to input information by B blind areas and A blind areas split screen display available image on display screen 8；
Scheme seven, first, the left rotaring signal of car action signal 19, GES are with the triggering level signal of CAN control signals/individuallyIt is transferred to video switch logic controller 21；Then, video switch logic controller 21 shoots ring according to camera module 7 is looked aroundDepending on left-hand rotation dead zone information, while left front camera 5 is controlled to shoot B dead zone informations；Again, left front camera 5 is with looking around cameraPhotographing information is transferred to video switch logic controller 21 by module 7, and video switch logic controller 21 is transmitted further atManage device 22；Finally, application processor 22 will look around left-hand rotation dead zone information and B dead zone informations on display screen 8 according to input informationDisplay；
Scheme eight, first, the right turn signal of car action signal 19, GES are with the triggering level signal of CAN control signals/individuallyIt is transferred to video switch logic controller 21；Then, video switch logic controller 21 controls right proactive picture according to right turn signalFirst 6 shooting D dead zone informations, while middle camera 4 shoots A blind areas before control；Again, right preceding camera 6 will with preceding middle camera 4Photographing information is transferred to video switch logic controller 21, and video switch logic controller 21 is transmitted further to application processor 22；Finally, application processor 22 according to input information by D blind areas and A blind areas split screen display available image on display screen 8；
Scheme nine, first, the right turn signal of car action signal 19, GES are with the triggering level signal of CAN control signals/individuallyIt is transferred to video switch logic controller 21；Then, video switch logic controller 21 regards shooting according to right turn signal control ringRight-hand rotation dead zone information is looked around in the shooting of head mould group 7, while controls right turn signal to control right preceding camera 6 to shoot D dead zone informations；AgainIt is secondary, look around camera module 7 and photographing information is transferred to video switch logic controller 21, video switching with right preceding camera 6Logic controller 21 is transmitted further to application processor 22；Finally, application processor 22 will look around right-hand rotation blind area according to input informationWith A blind areas on display screen 8 split screen display available image；
Scheme ten, first, the big modulating signal of car action signal 19 are transferred to and regarded with CAN control signals/independent triggering level signalFrequency switch logic controller 21；Then, according to the big modulating signal of the car action signal 19 of input, video switch logic controller 21Middle camera 4 shoots A blind areas or looked around before the shooting of camera module 7 looks around just before control, and video switch logic controller 21 is sameWhen control after middle camera 3 shoot F blind areas；Secondly, preceding middle camera 4 or photographing information is transmitted with looking around camera module 7To video switch logic controller 21, meanwhile, photographing information is transferred to video switch logic controller 21 by rear middle camera 3；Video switch logic controller 21 is transmitted further to application processor 22；Finally, application processor 22 according to input information by F blind areasWith A blind areas or looking around the just preceding split screen display available image on display screen 8；
Wherein, when blind area camera module 15 is combines two, control program includes as follows：
Option A, first, the CAN/ manual ringings of car action signal 19 are transferred to CAN control signals/independent triggering level signalVideo switch logic controller 21；Then, according to the CAN/ manual ringings of the car action signal 19 of input, video switch logic controlDevice 21 processed controls left back camera 1 to shoot G blind areas respectively, rear middle camera 3 shoots F blind areas and the shooting of right rear camera 2 JBlind area；Secondly, left back camera 1, rear middle camera 3 and right rear camera 2 are respectively by the blind area real-time imaging information of shootingVideo switch logic controller 21 is transferred to, video switch logic controller 21 is transmitted further to application processor 22；Finally, applyProcessor 22 according to input information by G blind areas, F blind areas and J blind areas the split screen display available image on display screen 8；
Option b, first, the brake signal of car action signal 19 are transferred to video with CAN control signals/independent triggering level signalSwitch logic controller 21；Then, controlled according to the brake signal of the car action signal 19 of input, video switch logic controller 21Middle camera 4 shoots A blind areas, the middle shooting F of camera 3 blind areas after controlling of video switch logic controller 21 before system；Secondly, in precedingPhotographing information is transferred to video switch logic controller 21, video switch logic controller 21 by camera 4 with rear middle camera 3It is transmitted further to application processor 22；Finally, application processor 22 according to input information by A blind areas and F blind areas on display screen 8 pointScreen shows image；
Scheme C, first, the brake signal of car action signal 19, GES are with the triggering level signal of CAN control signals/individuallyIt is transferred to video switch logic controller 21；Then, according to the GES of the car action signal 19 of input and preset vehicle speed ratioCompared with：
When the GES is less than preset vehicle speed, to run at a low speed, video switch logic controller 21 controls according to brake signalLook around the shooting of camera module 7 and look around positive front blind-area information, while middle camera 3 shoots F blind areas after control；Again, look around and take the photographAs head mould group 7 with it is rear in camera 3 photographing information is transferred to video switch logic controller 21, video switch logic controller21 are transmitted further to application processor 22；Finally, application processor 22 will look around positive front blind-area with F blind areas aobvious according to input informationSplit screen display available image in display screen 8；
When the GES is not less than preset vehicle speed, to run at high speed, according to the brake signal of the car action signal 19 of input, depending onFrequency switch logic the controller 21 middle shooting A of camera 4 blind areas, middle camera after video switch logic controller 21 controls before controlling3 shooting F blind areas；Secondly, photographing information is transferred to video switch logic controller 21 by preceding middle camera 4 with rear middle camera 3,Video switch logic controller 21 is transmitted further to application processor 22；Finally, application processor 22 according to input information by A blind areasWith F blind areas on display screen 8 split screen display available image；
Scheme D, first, the astern signal of car action signal 19 are transferred to video with CAN control signals/independent triggering level signalSwitch logic controller 21；Then, controlled according to the astern signal of the car action signal 19 of input, video switch logic controller 21Middle camera 4 shoots A blind areas, the middle shooting F of camera 3 blind areas after controlling of video switch logic controller 21 before system；Secondly, in precedingPhotographing information is transferred to video switch logic controller 21, video switch logic controller 21 by camera 4 with rear middle camera 3It is transmitted further to application processor 22；Finally, application processor 22 according to input information by A blind areas and F blind areas on display screen 8 pointScreen shows image；
Scheme E, first, the astern signal of car action signal 19 are transferred to video with CAN control signals/independent triggering level signalSwitch logic controller 21；Then, controlled according to the astern signal of the car action signal 19 of input, video switch logic controller 21System looks around dead zone information after the shooting of camera module 7 is looked around just, and middle camera 3 is shot after video switch logic controller 21 controlsF blind areas；Secondly, look around camera module 7 and photographing information be transferred to video switch logic controller 21 with rear middle camera 3,Video switch logic controller 21 is transmitted further to application processor 22；Finally, application processor 22 will look around according to input informationBlind area and F blind areas split screen display available image on display screen 8 after just；
Scheme F, first, the left rotaring signal of car action signal 19, GES are with the triggering level signal of CAN control signals/individuallyIt is transferred to video switch logic controller 21；Then, video switch logic controller 21 controls left back shooting according to left rotaring signalFirst 1 shooting G dead zone informations, while middle camera 3 shoots F blind areas after control；Again, left back camera 1 will with rear middle camera 3Photographing information is transferred to video switch logic controller 21, and video switch logic controller 21 is transmitted further to application processor 22；Finally, application processor 22 according to input information by G blind areas and F blind areas split screen display available image on display screen 8；
Scheme G, first, the left rotaring signal of car action signal 19, GES are with the triggering level signal of CAN control signals/individuallyIt is transferred to video switch logic controller 21；Then, according to the GES of the car action signal 19 of input and preset vehicle speed ratioCompared with：
When the GES is less than preset vehicle speed, to run at a low speed, video switch logic controller 21 controls according to left rotaring signalLook around the shooting of camera module 7 and look around left-hand rotation dead zone information, while middle camera 3 shoots G blind areas after control；Again, look around and take the photographAs head mould group 7 with it is rear in camera 3 photographing information is transferred to video switch logic controller 21, video switch logic controller21 are transmitted further to application processor 22；Finally, application processor 22 will look around left-hand rotation blind area with G blind areas aobvious according to input informationSplit screen display available image in display screen 8；
When the GES is not less than preset vehicle speed, to run at high speed, video switch logic controller 21 is according to left rotaring signal controlMake left back camera 1 and shoot G dead zone informations, the middle shooting F of camera 3 blind areas after controlling of video switch logic controller 21；Again,Photographing information is transferred to video switch logic controller 21, the control of video switch logic by left back camera 1 with rear middle camera 3Device 21 is transmitted further to application processor 22；Finally, application processor 22 according to input information by G blind areas and F blind areas in display screen 8Upper split screen display available image；
Scheme H, first, the right turn signal of car action signal 19, GES are with the triggering level signal of CAN control signals/individuallyIt is transferred to video switch logic controller 21；Then, video switch logic controller 21 images after controlling the right side according to right turn signalFirst 2 shooting J dead zone informations, while middle camera 3 shoots F blind areas after control；Again, right rear camera 2 will with rear middle camera 3Photographing information is transferred to video switch logic controller 21, and video switch logic controller 21 is transmitted further to application processor 22；Finally, application processor 22 according to input information by J blind areas and F blind areas split screen display available image on display screen 8；
Scheme J, first, the right turn signal of car action signal 19, GES are with the triggering level signal of CAN control signals/individuallyIt is transferred to video switch logic controller 21；Then, according to the GES of the car action signal 19 of input and preset vehicle speed ratioCompared with：
When the GES is less than preset vehicle speed, to run at a low speed, video switch logic controller 21 controls according to right turn signalLook around the shooting of camera module 7 and look around right-hand rotation dead zone information, while control right rear camera 2 to shoot J blind areas；Again, look around and take the photographAs photographing information is transferred to video switch logic controller 21, video switch logic controller by head mould group 7 and right rear camera 221 are transmitted further to application processor 22；Finally, application processor 22 will look around right-hand rotation blind area with J blind areas aobvious according to input informationSplit screen display available image in display screen 8；
When the GES is not less than preset vehicle speed, to run at high speed, video switch logic controller 21 is according to right turn signal controlMake right rear camera 2 and shoot J dead zone informations, the middle shooting F of camera 3 blind areas after controlling of video switch logic controller 21；Again,Photographing information is transferred to video switch logic controller 21, the control of video switch logic by right rear camera 2 with rear middle camera 3Device 21 is transmitted further to application processor 22；Finally, application processor 22 according to input information by J blind areas and F blind areas in display screen 8Upper split screen display available image；
Scheme K, first, the big modulating signal of car action signal 19 are transferred to video with CAN control signals/independent triggering level signalSwitch logic controller 21；Then, controlled according to the big modulating signal of the car action signal 19 of input, video switch logic controller 21Middle camera 4 shoots A blind areas or looked around before the shooting of camera module 7 looks around just before system, and video switch logic controller 21 is simultaneouslyMiddle camera 3 shoots F blind areas after control；Secondly, preceding middle camera 4 or photographing information is transferred to looking around camera module 7Video switch logic controller 21, meanwhile, photographing information is transferred to video switch logic controller 21 by rear middle camera 3；Depending onFrequency switch logic controller 21 is transmitted further to application processor 22；Finally, application processor 22 according to input information by F blind areas withThe just preceding split screen display available image on display screen 8 is looked around in A blind areas.
Preferably, mounting ring regards camera module 7 on automobile, then, according to automotive type and camera is looked aroundThe visual angle looked around blind area, adjust each camera in blind area camera module 15 of module 7, by the visual angle shape of each cameraInto blind area looked around blind area covering.
After step 2, including step 3, according to speed set safety of the obstacle vehicle thing in each control program away fromFrom when barrier is in non-security distance, the notice sound of application processor 22/optical electrical prompting module 24 reminds driver；.
In step 3, sound/optical electrical prompting module 24 is by controlling luminous remind of the warning lamp of barrier respective side to driveMember or sound/optical electrical prompting module 24 are by controlling the position of automobile audio voice broadcast barrier or being sent by automobile audioWarn sound.
In step 3, when at night or when automobile continues running time more than the critical value for setting the tired timeOr when being driven a car within the default period, sound/optical electrical prompting module 24 by steering wheel vibration, accelerator pedal vibration orVehicle seat vibrating alert driver.
Preset vehicle speed value wherein between the low speed of speed and high speed is required according to user or limiting vehicle speed required standard is setIt is fixed.
Driver is to emergency situation processing（Emergency brake）：0.2-0.4 seconds, the reaction time and speed in corresponding schemeProduct is minimum barrier safe distance.
Wherein, the effective coverage range of the scope of blind area, i.e. camera, it is aobvious and easy to those skilled in the artTo see, general definition includes the region can't see of the driver when driving a car, certainly, for driver it can be seen that region,The camera of this patent can more cover, and the effective coverage range of camera can reach 30 meters.
By a large amount of road tests, it is accustomed to according to driver operation vehicle signal and considers that blind area aids in the Driving Scene of product, thisSpeed, parking brake, left steering, right turn, reversing, brake, headlight vehicle signal are triggered blind area second camera by invention as controlThe signal source of head single video automatic video switching, realizes the video image in groups that split screen or single screen are shown on display screen.Wherein justMiddle camera is also expansible to have deviation and forward direction anti-collision warning function except being aided in blind area, in addition to recording function；Left/Right camera is also expansible to have lane departure warning function except being aided in blind area, in addition to recording function.
This patent is according to vehicle and looks around effective visual range of camera module, adjusts the blind area of blind area camera moduleScope ensures it in the range of looking around, so as to realize the perfect solution of vehicle blind zone under various scenes；Client can also rootAccording to self-demand, the part in selection scheme.
Blind area camera module according to arranging in groups so as to n-type camera system before forming and/or rear U-shaped camera system.
By video switch logic controller to the logic judgment of the trigger signal of input and the controlling party of application processorCase, realize blind area camera module, look around the composite video image of the single video image of camera module on a display screen.Pass throughIncrease ADAS systems and sound/optical electrical prompting module, it is possible to achieve warning message prompting department in a manner of sound, light, vibrations combinationMachine, meet driver from display screen once from multi-angle blind area demand, reduce driver repeatedly turn one's head viewing left and right outside orFront that inside rear view mirror is brought, the secondary blind area risk in rear, while slow down driver's nervous psychology, reduce tired driver intensity.
The present invention can use for the automobile of the large-scale long vehicle bodies such as suitable more than 9 commercial vehicle, lorry, busBut using effect is not highly desirable.
The present invention is on the basis of various vehicle blind area datas are surveyed and drawn, based on the visual custom, simultaneously for meeting ergonomicsEnsure driver can once see on a display screen it is more, more comprehensively, object is indeformable, the true apparent video shadow of object distanceThe principle of picture, the present invention is blind area auxiliary camera according to arrangement in groups while the single video image of blind area auxiliary cameraCombined according to blind area assistance application scene optimization, in groups video of the output on automobile display screen is formed under vehicle signal controlImage.CPLD: 5M160ZE64C5N；Processor is the product of altera corp.
The present invention comes from the demand analysis of vehicle blind zone problem, and reasonable in design, cost-effective cost is cheap, solid practicality is resistance toUsed with, safe and reliable, simple to operate, time saving and energy saving, saving fund, existing driving habit that is compact-sized and not changing driverIt is convenient.