A kind of personnel location systemTechnical field
The present invention relates to be positioned at wireless sensing field, and in particular to a kind of personnel location system.
Background technology
The domestic patent of invention related to personnel location system or method nearly hundred, be related to RFID, Zigbee, Wi-Fi,The multiple technologies such as UWB system and based on a variety of location technologies such as coding, field strength, phase calculation.These alignment systemsBasic framework is fixed deployment locating base station, and personnel carry positioning label, and locating base station receives the positioning carried from personnelThe information of label, is identified and positions according to information such as its field strength, phase, sequence label codes, recognizes that the calculating with positioning is led toCross central server completion.This framework is suitable for the scene such as colliery, factory of fixed environment, high density of personnel, this frameworkShortcoming be：（1）Deployment density of the raising of its positioning precision dependent on increase locating base station, because the networking between base station is moreThat it needs external power source to power by wire transmission modes such as optical cable, buses, cause improve positioning precision needed for investment, lineThe quantities such as cable erection, engineering construction cycle become rapidly big.（2）Positioning label degree of intelligence entrained by personnel is low, only existsThe manager at center can see the situation of personnel, and positioning label-carrier can not learn the position of itself and peripheryConfidence ceases, it is impossible to realize the function of navigation, help can not be provided to the personnel for getting lost or be unfamiliar with surrounding scene, to entering or connecingThe personnel of nearly similar " forbidden zone " also can not real-time informing.（3）The calculating of all about positional information all relies on central server, clothesOnce device lost contact of being engaged in or machine of delaying, system is at a standstill.
For example, Chinese patent CN102523621A discloses a kind of Mine Personnel Positioning System, it by ground monitoring center,Transmit base station, optical fiber, gateway node, bus, beacon node, training node and mobile node composition.Beacon node is in tunnelLaid by block, personnel carry mobile node, mobile node reads the signal of beacon node and to the beacon node that receivesLocation information is handled, and is uploaded to ground monitoring center and its station-keeping mode data progress matching primitives, realizes positioning；InstructionPracticing node is used to measure, obtain, correct station-keeping mode data.But, the complexity of (1) system first is high, by up to 8Part is constituted；(2) structure of its subsystem needs to lay the wire transmission medias such as optical fiber, bus, and quantities is big and is difficult to quickDeployment, is difficult to be applicable for the mobile environment or adverse circumstances for being not easy to set up cable；(3) furthermore its mobile node positioning according toRely the matching primitives at ground monitoring center, once system and ground monitoring center lost contact, terminal can not then realize positioning, (4) itsThe degree of intelligence of mobile node is low, and terminal does not possess local processing and display capabilities in real time, and the carrier of mobile node can not seeTo oneself position, enter without possessing the ability of navigation, once it is lost also useless even if mobile node is carried；(5) it is positionedThe raising of precision needs to rely on training node and gathers signal to each block in tunnel, establishment model data, complex operation andPositioning precision easily by the humiture being continually changing in site environment, block, electromagnetic environment is influenceed.In summary, the systemComplexity is high, mobility is poor, the characteristics of not possessing rapid deployment.Accordingly, it is desirable to provide it is a kind of it is more simple, reliable, quick,The technology of intelligence, to realize rapid, effective use to location information.
The content of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of personnel location system, including personnel positioning communication base station(1), personnel positioning portable terminal device (2), localizer beacon (3) and personnel positioning server（4）；
The personnel positioning communication base station (1) and the personnel positioning server（4）It is connected with each other communication；The personnel determineBit walk base station (1) constitutes wireless mesh network, the personnel positioning portable terminal device (2) with the personnel positioning portable terminal device (2)Realized and the personnel positioning server by any one of personnel positioning communication base station (1) in the wireless mesh（4）Between be in communication with each other；
The localizer beacon（3）It is installed on fixed position, the localizer beacon as needed（3）With with its installation siteThe unique number of information association, and periodically wirelessly send its number information to the personnel positioning portable terminal device (2)；
The personnel positioning portable terminal device（2）Carried by personnel, the personnel positioning portable terminal device（2）Real-time reception eachThe localizer beacon（3）The number information of transmission, processing obtains current location information and is shown and be sent to carrying personnelThe personnel positioning server（4）.
In the first preferred embodiment that the present invention is provided：The personnel positioning communication base station（1）, personnel positioning portable terminal device（2）And localizer beacon（3）Powered using battery.
In the second preferred embodiment that the present invention is provided：By setting the localizer beacon（3）Density and beacon wirelessTransmission power meets the different accuracy requirement of different alignment systems；The positioning letter is increased for the high region of positioning accuracy requestMark（3）Packing density, reduce the localizer beacon（3）Transmission power；It is described fixed to be reduced for the low region of positioning precisionPosition beacon（3）Packing density and improve the localizer beacon（3）Transmission power.
In the third preferred embodiment that the present invention is provided：The personnel positioning portable terminal device（2）According to receive it is each described inLocalizer beacon（3）Number information correspondence go out each localizer beacon（3）Position coordinates, with each localizer beacon received（3）As weight coefficient after square adjustment of field strength, to each localizer beacon received（3）Position be weighted average, obtain each instituteState localizer beacon（3）Personnel positioning portable terminal device（2）Current location information；
The personnel positioning portable terminal device（2）Navigation and prompt message are provided according to the attribute of current location, including enteredThe authority or points for attention of arbitrary region.
In the 4th preferred embodiment that the present invention is provided：The localizer beacon（3）With dormancy and wake-up mechanism, the peopleMember's positions portable terminal（2）Periodically sent during work and wake up message, wake up the personnel positioning portable terminal device（2）Wake up modelEnclose the interior localizer beacon（3）, the localizer beacon after the wake-up（3）Periodically to the personnel positioning portable terminal device (2)Send its number information.
In the 5th preferred embodiment that the present invention is provided：The personnel positioning communication base station（1）With dormancy and wake-up machineSystem；
The personnel positioning communication base station (1) is setting after process is set up in the initialization communication connection between completing base stationIn fixing time as described in being not received by personnel positioning portable terminal device（2）The information then personnel positioning portable terminal device（2）EnterEnter resting state to save electricity consumption；
In the personnel positioning communication base station（1）Wireless coverage in have the personnel positioning portable terminal device（2）EnterIt is fashionable, the personnel positioning communication base station（1）By the personnel positioning portable terminal device of the entrance（2）The wake-up message of transmission is called outWake up, the personnel positioning portable terminal device（2）Pass through the personnel positioning communication base station after the wake-up（1）Realize and determine with the personnelPosition server（4）Between be in communication with each other.
In the 6th preferred embodiment that the present invention is provided：The personnel positioning server（4）With personnel positioning each describedPortable terminal device（2）Communication, receives, handles, showing, storing each personnel positioning portable terminal device（2）Location information, and canTo the personnel positioning portable terminal device（2）Lower photos and sending messages, the information that issues includes localizer beacon（3）The fresh information of position withShort message.
In the 7th preferred embodiment that the present invention is provided：The personnel positioning server（4）Possess various communication interfaces, carryFor data communication service, including long range positioning real-time data communication service based on Ethernet, remote data base location information are depositedStorage service.
In the 8th preferred embodiment that the present invention is provided：The personnel positioning communication base station (1), personnel positioning portable terminal device(2) radio communication between localizer beacon (3) uses IEEE802.15.4 agreements.
A kind of personnel location system that the present invention is provided, the beneficial effect relative to immediate prior art includes：
1st, a kind of personnel location system for providing of the present invention, including personnel positioning communication base station, personnel positioning portable terminal device,Localizer beacon and personnel positioning server, composition are simple, and device category is few；Personnel in alignment system carry personnel's positions portableTerminal, the personnel positioning portable terminal device need not rely on centralized positioning server just possess local localization process in real time, response withDisplay capabilities, namely possess navigation feature, the attribute information of current location and scene can be shown in real time so that personnel can be realWhen see position where oneself, corresponding prompting can be obtained during into during special area or close to special objective or is alerted.
2nd, personnel positioning communication base station, personnel positioning portable terminal device and localizer beacon are powered using battery, full Wireless networking,Complete battery powered characteristic causes system to possess the characteristics of rapid deployment, convenient migration, and the cables such as transmission cable, equipment are poweredThe communications infrastructure no requirement (NR)s such as cable, power taking point, it is adaptable to the deployment under adverse circumstances or mobile context.
3rd, the deployment of localizer beacon can require to be adjusted flexibly according to different scenes to the different of positioning precision, for positioningThe high region of required precision such as interior can lay localizer beacon or reduction beacon emissions power with intensive, for positioning accuracy requestLow region such as passage can lack cloth beacon and improve beacon emissions power, and to reduce system cost, the cost of localizer beacon is lowAnd powered using battery, increase and decrease, install very convenient, be particularly suitable for use in petroleum and petrochemical industry, mine, national defence underground fortification etc. bigScene domain, low density of personnel, the positioning scene of high-precision requirement.
4th, personnel positioning communication base station and localizer beacon have dormancy and wake-up mechanism, reduce power consumption, the low-power consumption of systemTechnology and dormancy awakening mechanism to beacon and base station to be powered using full battery and can run up to more than half a year.
5th, positioning terminal can also be with centralized positioning server two-way communication, upload location information, calling confidence, under receptionPhotos and sending messages.
Brief description of the drawings
A kind of schematic diagram of the embodiment of the structure of the personnel location system provided as shown in Figure 1 for the present invention；
Wherein, 1 is personnel's positioning and communicating base station；2 be personnel's positions portable terminal；3 be localizer beacon；4 be personnel positioningServer.
Embodiment
The embodiment of the present invention is described in further detail below according to accompanying drawing.
The present invention provides a kind of personnel location system, the schematic diagram of the embodiment of its structure as shown in figure 1, as shown in Figure 1,The system includes personnel positioning communication base station (1), personnel positioning portable terminal device (2), localizer beacon (3) and personnel positioning server（4）.The quantity of personnel positioning communication base station (1), personnel positioning portable terminal device (2) and localizer beacon (3) is unrestricted, Ke YigenAccording to needing to be manually set, what the embodiment in figure was provided is comprising 3 personnel's positioning and communicating base stations (1), 2 personnel's positions portablesTerminal (2) and the situation of 6 localizer beacons (3).
Personnel positioning communication base station (1) and personnel positioning server（4）It is connected with each other communication, personnel positioning communication base station(1) wireless mesh network is constituted with personnel positioning portable terminal device (2), personnel positioning portable terminal device (2) passes through appointing in wireless meshOne personnel's positioning and communicating base station (1) of meaning is realized and personnel positioning server（4）Between be in communication with each other.
Localizer beacon（3）Fixed position is installed on as needed, the localizer beacon（3）With with its installation site information closeThe unique number of connection, and periodically wirelessly send its number information to personnel positioning portable terminal device (2).
Personnel positioning portable terminal device（2）Carried by personnel, the personnel positioning portable terminal device（2）Each positioning letter of real-time receptionMark（3）The number information of transmission, processing obtains current location information and is shown to carrying personnel and be sent to personnel positioning clothesBusiness device（4）.
Personnel positioning portable terminal device（2）It can handled without personnel positioning server, show the terminal current locationWith the personnel in the attribute information of current location, therefore the alignment system by checking the personnel positioning portable terminal device of its carrying i.e.Oneself current location is can be appreciated that, navigation feature is realized.
Further, personnel positioning communication base station（1）, personnel positioning portable terminal device（2）And localizer beacon（3）Using electricityPond powers.Full Wireless networking, complete battery powered characteristic cause system to possess the characteristics of rapid deployment, convenient migration, to transmissionThe communications infrastructure no requirement (NR)s such as the cables such as optical cable, equipment service cable, power taking point, it is adaptable under adverse circumstances or mobile contextDeployment.
Localizer beacon（3）According to artificially needing to be installed on fixed position, therefore need to only set the localizer beacon（3）DensityWith beacon wireless transmission power just can different alignment systems different accuracy requirement, can for the high region of positioning accuracy requestTo increase packing density, the reduction localizer beacon of beacon（3）Transmission power, it is fixed to be reduced for the low region of positioning precisionPosition beacon（3）Packing density and improve the transmission power of beacon.
Personnel positioning portable terminal device（2）According to each localizer beacon received（3）Number information correspondence go out its respective positionCoordinate, with each localizer beacon received（3）As weight coefficient after square adjustment of field strength, to each localizer beacon received（3）Position be weighted average, obtain the personnel positioning portable terminal device（2）Current location information, and according to the category of current locationProperty provide navigation and prompt message, such as entrance the region authority or points for attention.
Personnel positioning communication base station（1）And localizer beacon（3）With dormancy and wake-up mechanism, personnel positioning portable terminal device（2）Periodically sent during work and wake up message, wake up the personnel positioning portable terminal device（2）Localizer beacon in the range of wake-up（3）, the localizer beacon after wake-up（3）Periodically its number information is sent to the personnel positioning portable terminal device (2).Personnel positioning is led toLetter base station (1) is such as not received by people after process is set up in the initialization communication connection between completing base station in setting timeMember's positions portable terminal（2）Information then enter resting state to save electricity consumption, in personnel positioning communication base station（1）Wireless coverThere is personnel's positions portable terminal in the range of lid（2）Enter fashionable, the personnel positioning communication base station（1）By the entrance personnel positioning justTake terminal（2）The wake-up message of transmission wakes up, personnel positioning portable terminal device（2）Pass through the personnel positioning communication base station after wake-up（1）Realize and personnel positioning server（4）Between be in communication with each other.
Pass through designer's positioning and communicating base station（1）And localizer beacon（3）Dormancy and wake-up mechanism, reduce system work(Consumption so that being powered using full battery can run up to more than half a year.
Personnel positioning server（4）The only foundation of responsible transmission network and both-way communication, and be not involved in positioning, with each individualMember's positions portable terminal（2）Communication, receives, handles, showing, storing each personnel positioning portable terminal device（2）Location information, andCan be to personnel positioning portable terminal device（2）Lower photos and sending messages, this, which issues information, includes localizer beacon（3）The fresh information of position with it is shortLetter.The personnel positioning server（4）It can be put into any position in wireless mesh network, and possess various communication interfaces there is provided numberAccording to Communications service, such as the long range positioning real-time data communication service based on Ethernet, remote data base location information are provided and depositedStorage service.
Radio communication between personnel positioning communication base station (1), personnel positioning portable terminal device (2) and localizer beacon (3) is adoptedUse IEEE802.15.4 agreements.
Finally it should be noted that：The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, to the greatest extentThe present invention is described in detail with reference to above-described embodiment for pipe, those of ordinary skills in the art should understand that：StillThe embodiment of the present invention can be modified or equivalent substitution, and without departing from any of spirit and scope of the inventionModification or equivalent substitution, it all should cover among scope of the presently claimed invention.