CN207938182U - A kind of tunnel lane change capturing system based on RFID - Google Patents
A kind of tunnel lane change capturing system based on RFID Download PDFInfo
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- CN207938182U CN207938182U CN201721627774.2U CN201721627774U CN207938182U CN 207938182 U CN207938182 U CN 207938182U CN 201721627774 U CN201721627774 U CN 201721627774U CN 207938182 U CN207938182 U CN 207938182U
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- electronic label
- rfid
- candid photograph
- control module
- vehicle
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Abstract
The utility model discloses a kind of tunnel lane change capturing system based on RFID, including：RFID electronic label, remote data center, captures control module and captures camera RFID electronic label reader；Control module is captured to connect with RFID electronic label reader and candid photograph camera, RFID electronic label reader is communicated by more antennas with vehicle carried electronic label, when candid photograph control module judgement has, vehicle enters tunnel and (or) vehicle generates when breaking rules and regulations lane change behavior, candid photograph trigger signal is sent out to camera is captured, it captures camera and starts candid photograph function, and candid photograph control module is sent to by information is captured；It captures control module to receive RFID electronic label reader and capture the information of vehicles of thecamera head, integration is encoded to after information flow uploads to remote data center by information flow.The utility model is high to vehicle lane change recognition accuracy, affected by environment smaller, and system mounting means is simple, need not destroy road surface, and the later stage is easy to maintain.
Description
Technical field
The utility model is related to intelligent transportation fields, and in particular to a kind of tunnel lane change capturing system based on RFID.
Background technology
Vcehicular tunnel is a kind of special road section in highway, since light is weaker in tunnel, easily influences driver to road conditions
And the judgement of vehicle location, in tunnel random lane change easily cause the accidents such as knock into the back, scrape, then cause congestion in road, stagnant
It stays, causes second accident, be to safeguard that road traffic is pacified to getting over the monitoring and management of solid line violation lane change behavior in tunnel therefore
A kind of complete important way.
It is artificial to investigate and prosecute the dangerous height of violation lane change since highroad vehicle speed is very fast, and traffic police's on-site law-enforcing easily leads to road
Congestion, it is also desirable to consume a large amount of human resources, difficulty of implementation is larger, therefore needs to use non-at-scene law enforcement equipment, round-the-clock prison
The violation lane change behavior occurred in control tunnel.It uses there are two types of tunnel lane change monitoring systems at present, first, using image intelligent
Identification technology is detected suspicious lane change behavior by image processing algorithm automatically, and system gives manual review picture concerned again, another
Kind uses former-wound coil technology, the underground preburied ground induction coil in solid line region in tunnel, once there is vehicle to press through solid line, system
Camera will be started to capture automatically, capture the violation information of vehicle.Both the above method has certain in practical applications
Limitation, the current accuracy rate of video frequency identifying method and precision are relatively low, higher to angle, the requirement for height of video camera installation,
And be illuminated by the light the environment such as intensity and be affected, and need to excavate road surface when embedded ground induction coil, later maintenance cost is higher.
Utility model content
In view of the deficienciess of the prior art, the utility model provides a kind of tunnel lane change candid photograph system based on RFID
System can accurately capture the act of violating regulations that the vehicle travelled in tunnel gets over solid line lane change, and this method recognition accuracy is high,
It is affected by environment smaller, and system mounting means is simple, need not destroy road surface, the later stage is easy to maintain.
A kind of tunnel lane change capturing system based on RFID, including：RFID electronic label, RFID electronic label reader,
Remote data center captures control module and captures camera, it is characterised in that：
The RFID electronic label reader continues to communicate with vehicle carried electronic label, to obtain RFID electronic label read-write
Vehicle electric identification information in device communication range；
The candid photograph control module is connect with the RFID electronic label reader, to obtain the RFID electronic label
The vehicle electric identification information and RSSI information that reader is got, judge vehicle lane；
The candid photograph control module is connect with the candid photograph camera, is sent to the candid photograph camera and is captured triggering letter
Number, and receive the candid photograph information of the candid photograph camera transmission.
The RFID electronic label reader includes RSSI detection modules, RFID read-write module and aerial array, described
RSSI detection modules have AD detection functions, to detect the demodulated signal of RFID read-write module demodulating received signal generation
Signal strength, the aerial array include that the quantity of antenna is identical as the practical number of track-lines in tunnel, and day wire size is corresponding with track number,
Every antenna is mounted on the surface in corresponding track.
The remote data center, by wireless network connection, captures control module by vehicle with the candid photograph control module
The information such as car plate, vehicle, track number and capture time integrated be associated with after, information flow is passed through on wireless network
Reach remote data center.
The RFID electronic label reader is mounted between 4-5 meters of tunnel upper, every antenna of the aerial array
Surface mounted on corresponding track, the aerial array is connect with the RFID read-write module by RF cable, described
In front of the RFID electronic label reader read-write ranging from antenna within 30-50 meters, the electronic label read/write with it is described
It captures control module to connect by 485 buses or 232 buses, the candid photograph camera is mounted between 4-5 meters of tunnel upper, is grabbed
It claps and ranging from captures in front of camera between 5-30 meters, the candid photograph camera is connect with the candid photograph control module by Ethernet
Port communications.
The operation principle of the utility model is：RFID electronic label reader is persistently sent out radio frequency letter by antenna
Number, and response result is uploaded to candid photograph control module, after candid photograph control module receives the answer signal of vehicle carried electronic label,
Judge there is vehicle to enter tunnel, and sends out candid photograph trigger signal to candid photograph camera immediately, then, RFID electronic label reader
Continue to communicate with vehicle carried electronic label at predetermined intervals by the antenna above different tracks, and mould is detected by RSSI
Block detects the RSSI value that different antennae receives return signal, is uploaded to candid photograph control module, captures control module and adds up each day
The RSSI values of nearest 20 communication of line, compare the accumulated value corresponding to different antennae number, corresponding to the maximum day wire size of accumulated value
Track be determined as the track that the vehicle is currently located.When capture control module judge vehicle generation lane change behavior after, again to
It captures camera and sends out candid photograph trigger signal, capture control module by the car plate of vehicle, vehicle, track number, RFID electronic label
Reader and the information such as information capture time for capturing camera integrated be associated with after, information flow is passed through into wireless network
It is uploaded to remote data center.
The utility model has the beneficial effect that：
In such a way that RFID electronic label reader is combined with candid photograph camera, RFID electronic label reader is utilized to examine
The RSSI value of survey judges traveling lane after vehicle enters tunnel, when find vehicle occur breaking rules and regulations lane change behavior when, can be immediately
Triggering is captured camera and is captured, and the information of vehicles of the electronic license plate information of vehicle and candid photograph camera capture is integrated into
Information flow uploads, and this method recognition accuracy is high, affected by environment smaller, and system mounting means is simple, need not destroy
Road surface, later stage are easy to maintain.
Description of the drawings
Fig. 1 is a kind of structure diagram of the tunnel lane change capturing system embodiment based on RFID of the utility model；
Fig. 2 is a kind of structural schematic diagram of the tunnel lane change capturing system embodiment based on RFID of the utility model.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts belong to
The range of the utility model protection.
As shown in Figure 1, this gives a kind of tunnel lane change capturing system based on RFID, including：RFID electronics
Label 101, remote data center 103, captures control module 104 and high definition snapshot camera at RFID electronic label reader 102
105。
Fig. 2 is the live structural schematic diagram of this specific embodiment, and tunnel is unidirectional two track, and the RFID electronic label is read
It writes device 102 and is mounted on tunnel upper, RFID electronic label reader 102 continues to communicate with vehicle carried electronic label 101, to obtain
Vehicle electric identification information in 102 communication range of RFID electronic label reader；
The candid photograph control module 104 is connect with the RFID electronic label reader 102, to obtain the RFID electricity
The vehicle electric identification information and RSSI information that subtab reader 102 is got, judge vehicle lane；
The candid photograph control module 104 is connect with the high definition snapshot camera 105, to the high definition snapshot camera
105 send the candid photograph information captured trigger signal, and receive the transmission of high definition snapshot camera 105.
The RFID electronic label reader 102 includes RSSI detection modules 201, RFID read-write module 202 and antenna array
Row 203, the RSSI detection modules 201 have AD detection functions, to detect 202 demodulating received signal of RFID read-write module
The signal strength of the demodulated signal of generation, the aerial array 203 include that the quantity of antenna is identical as the practical number of track-lines in tunnel, day
Wire size is corresponding with track number, and every antenna is mounted on the surface in corresponding track, and RFID electronic label reader 102 is not by
Continue to communicate with vehicle carried electronic label 101 at predetermined intervals with the antenna above track, and by RSSI detection modules
201 detection different antennaes receive the RSSI value of return signal, are uploaded to and capture control module 104, it is cumulative to capture control module 104
The RSSI value of each nearest 20 communication of antenna, compares the accumulated value corresponding to different antennae number, the maximum day wire size of accumulated value
Corresponding track is determined as the track that the vehicle is currently located.
The remote data center 105, by wireless network connection, captures control mould with the candid photograph control module 104
Block 104 by the information such as the car plate of vehicle, vehicle, track number and capture time integrated be associated with after, information flow is passed through
Wireless network is uploaded to remote data center 105.
The RFID electronic label reader 102 be mounted on 4-5 meters of tunnel upper between, the aerial array 203 it is every
Platform antenna is mounted on the surface in corresponding track, and the aerial array 203 passes through RF cable with the RFID read-write module 202
Connection, the RFID electronic label reader 102 are read and write in front of the ranging from described antenna within 30-50 meters, the electronic tag
Reader 102 is connect with the candid photograph control module 104 by 485 buses or 232 buses, the high definition snapshot camera 105
Between 4-5 meters of tunnel upper, between capturing ranging from front 5-30 meters of high definition snapshot camera 105, the high definition is grabbed
Camera 105 is clapped to communicate by Ethernet interface with the candid photograph control module 104.
The above is only the preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these improvement
The scope of protection of the utility model is also should be regarded as with retouching.
Claims (4)
1. a kind of tunnel lane change capturing system based on RFID, including：RFID electronic label (101), RFID electronic label read-write
Device (102), remote data center (103) capture control module (104) and capture camera (105), which is characterized in that
The RFID electronic label reader (102) communicates with vehicle carried electronic label (101), is read to obtain RFID electronic label
Write the vehicle electric identification information in device (102) communication range；
The candid photograph control module (104) connect with the RFID electronic label reader (102), to obtain the RFID electricity
The vehicle electric identification information and RSSI information that subtab reader (102) is got, judge vehicle lane；
The candid photograph control module (104) connect with the candid photograph camera (105), is sent to the candid photograph camera (105)
Trigger signal is captured, and receives the candid photograph information that the candid photograph camera (105) is transmitted.
2. a kind of tunnel lane change capturing system based on RFID according to claim 1, which is characterized in that
The RFID electronic label reader (102) includes RSSI detection modules (201), RFID read-write module (202) and antenna
Array (203)；
The RSSI detection modules (201) have AD detection functions, to detect RFID read-write module (202) the docking collection of letters number solution
Adjust the signal strength of the demodulated signal generated；
The aerial array (203) includes that the quantity of antenna is identical as the practical number of track-lines in tunnel, and day wire size is corresponding with track number,
Every antenna is mounted on the surface in corresponding track.
3. a kind of tunnel lane change capturing system based on RFID according to claim 1, which is characterized in that
The remote data center (103) by wireless network connection, captures control module with the candid photograph control module (104)
(104) by the car plate of vehicle, vehicle, track number and capture time information integrated be associated with after, information flow is passed through into nothing
Gauze network is uploaded to remote data center (103).
4. a kind of tunnel lane change capturing system based on RFID according to claim 1, which is characterized in that
The RFID electronic label reader (102) is mounted between 4-5 meters of tunnel upper；
The electronic label read/write (102) is connect with the candid photograph control module (104) by 485 buses or 232 buses；
The candid photograph camera (105) is mounted between 4-5 meters of tunnel upper；
The candid photograph camera (105) is communicated with the candid photograph control module (104) by Ethernet interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721627774.2U CN207938182U (en) | 2017-11-29 | 2017-11-29 | A kind of tunnel lane change capturing system based on RFID |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721627774.2U CN207938182U (en) | 2017-11-29 | 2017-11-29 | A kind of tunnel lane change capturing system based on RFID |
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| CN207938182U true CN207938182U (en) | 2018-10-02 |
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| CN201721627774.2U Active CN207938182U (en) | 2017-11-29 | 2017-11-29 | A kind of tunnel lane change capturing system based on RFID |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110349281A (en) * | 2019-06-19 | 2019-10-18 | 阿里巴巴集团控股有限公司 | A kind of charging method, apparatus and system |
| CN112201048A (en) * | 2020-10-11 | 2021-01-08 | 徐恩成 | System and method for monitoring whole driving process in tunnel |
-
2017
- 2017-11-29 CN CN201721627774.2U patent/CN207938182U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110349281A (en) * | 2019-06-19 | 2019-10-18 | 阿里巴巴集团控股有限公司 | A kind of charging method, apparatus and system |
| CN112201048A (en) * | 2020-10-11 | 2021-01-08 | 徐恩成 | System and method for monitoring whole driving process in tunnel |
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