CN204680215U - A kind of Vehicle positioning system - Google Patents
A kind of Vehicle positioning system Download PDFInfo
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- CN204680215U CN204680215U CN201520404015.4U CN201520404015U CN204680215U CN 204680215 U CN204680215 U CN 204680215U CN 201520404015 U CN201520404015 U CN 201520404015U CN 204680215 U CN204680215 U CN 204680215U
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- 238000001514 detection method Methods 0.000 claims abstract description 9
- 238000013480 data collection Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a kind of Vehicle positioning system, relate to intelligent transportation system technical field, described Vehicle positioning system comprises: laser sensor group, is at least three laser sensors, for the cross-sectional data of Real-time Collection vehicle; Data collection processor, is connected with described laser sensor group, for gathering the data of laser sensor group, process, and output detections result.By the layout to the layout of laser sensor group installation site and each laser sensor scanning section, overcome the problems such as parallel vehicles blocks, fore-aft vehicle blocks, native system adopts laser sensor as collector simultaneously, be adapted to any weather environment, not by the impact of the conditions such as light, achieve the accurate location of vehicle.
Description
Technical field
The utility model relates to intelligent transportation system technical field, is specifically related to a kind of Vehicle positioning system.
Background technology
The free streaming system of multilane is DSRC (Dedicated Short Range Communications, Dedicated Short Range Communications) important application of technology, be widely used in the bus or train route communication under the free enforcement state of vehicle, toll on the road and bridge, traffic flow investigation, ambiguity ID of trace route path field, and in urban traffic control, traffic congestion is administered and emission control field is with a wide range of applications.
Based in the free streaming system of multilane of DSRC, road side system uses multiple stage RSU (RoadSide Unit, roadside unit) antenna forms continuous print DSRC communication zone at road xsect, so that with sail OBU (the On Board Unit in communication zone, vehicle is contained in into, board units) carry out radio communication, and then realize various application scenarios.But due to the opening of road traffic, the vehicle partly not installing OBU can be there is and cross the free streaming system section of multilane.OBU vehicle is not installed and by DSRC system identification, cannot can not realizes predetermined management and control, statistics or toll collection applications, but vehicle can by aided positioning system identification.For realizing without label vehicle auditing, needing the information of vehicles by the vehicle position information of aided positioning system acquisition and DSRC system obtain to compare, getting rid of the vehicle not installing OBU.
At present, the aided positioning system that multilane freely flows realizes the localization and tracking of vehicle mainly through video detection mode, but the impact that video detection mode is subject to weather environment, parallel vehicles blocks etc., and positioning precision is lower.Therefore, vehicle location, as the household function in the free streaming system of multilane, urgently needs high, the adaptable system of a kind of accuracy of detection to complete vehicle location function.
Utility model content
(1) technical matters that will solve
The technical problems to be solved in the utility model is: be adapted to any weather environment, overcomes the problems such as parallel vehicles blocks, fore-aft vehicle blocks, realizes the accurate location to vehicle.
(2) technical scheme
For solving the problems of the technologies described above, the utility model provides a kind of Vehicle positioning system, and described system comprises: laser sensor group, is at least three laser sensors, for the cross-sectional data of Real-time Collection vehicle; Data collection processor, is connected with described laser sensor group, for gathering the data of laser sensor group, process, and output detections result;
Wherein, described laser sensor is scanning type laser sensor;
Wherein, the scanning section of described laser sensor is vertical with direction of traffic with the intersection on road surface, and described scanning section is facing to direction to the car;
Wherein, the section of each laser sensor scanning in described laser sensor group is parallel with the intersection on road surface, is spaced apart between 0.5-5 rice.
Even or the non-homogeneous arrangement in the scanning section interval of described laser sensor group.
The setting height(from bottom) of described laser sensor group is at least 5 meters.
In order to different vehicle location accuracy requirements, the setting height(from bottom) that laser sensor scans section interval and laser sensor can be regulated to meet the demands.
(3) beneficial effect
Vehicle positioning system disclosed in the utility model adopts laser sensor as collector, not by the impact of any weather, environment, can realize round-the-clock vehicle location.By the mounting arrangements of laser sensor group and the layout of each laser sensor scanning section, overcome before and after vehicle problems such as blocking, parallel vehicles blocks, achieve the accurate location of vehicle.
Accompanying drawing explanation
Fig. 1 is a kind of Vehicle positioning system schematic diagram of a kind of embodiment of the utility model;
Fig. 2 is the schematic diagram that the vehicle of a kind of embodiment of the utility model enters laser detection region;
Fig. 3 is the scanning profile data schematic diagram of a kind of embodiment of the utility model.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
The present embodiment illustrates the utility model for three lanes, 6 laser sensors.But do not limit protection domain of the present utility model.
The utility model discloses a kind of Vehicle positioning system, with reference to Fig. 1, described system comprises sensor group S0, for the cross-sectional data of Real-time Collection vehicle; Data collection processor C1, is connected with described sensor group S0, for gathering the data of laser sensor group S0, process, and output detections result.Laser sensor group S0 comprises 6 scanning type laser sensors, is respectively laser sensor S1, laser sensor S2, laser sensor S3, laser sensor S4, laser sensor S5, laser sensor S6.
Laser sensor S1, laser sensor S2, laser sensor S3, laser sensor S4, laser sensor S5 and laser sensor S6 are installed on above track, evenly arrange, and setting height(from bottom) is 7 meters, and horizontal level is on same bar straight line.The angle of inclination of each laser sensor is different, and the position scanning track section is different.Wrong layout is submitted with scanning track in the installation site of laser sensor, and the track section of adjacent laser sensor scanning is non-conterminous.Laser sensor S1 scans track section and road surface intersection is L1, the laser sensor S2 adjacent with laser sensor S1 scans track section and road surface intersection is L3, the laser sensor S3 adjacent with laser sensor S2 scans track section and road surface intersection is L5, the laser sensor S4 adjacent with laser sensor S3 scans track section and road surface intersection is L2, the laser sensor S5 adjacent with laser sensor S4 scans track section and road surface intersection is L4, the laser sensor S6 adjacent with laser sensor S5 scans track section and road surface intersection is L6.
The track section of scanning and road surface intersection L1, L2, L3, L4, L5 and L6 uniform layout and in order to ensure positioning precision, be set to 1.5 meters.The track section simultaneously scanned and road surface intersection L1, L2, L3, L4, L5 and L6 are perpendicular to direction of traffic, the arrangement of scanning section is consistent with direction of traffic, ensure that each vehicle headstock can be arrived by Scanning Detction once entering region, namely the track section scanned and road surface intersection L1 scanning car portion, the track section of scanning and road surface intersection L6 scanning car head part.
The interval etc. of the height of adjustable laser sensor group S0 and installation interval, scanning section is required according to actual location precision and locating area.
When vehicle enters into scanning section, arrived by multi-stripe laser profile scanning, as shown in Figure 2.By the positional information of every bar line sweep, can draw the track, place of vehicle in front, position, highly, the information such as width, length.And advancing along with vehicle, the movement locus of vehicle can be gone out according to the information portrayal of laser scanning cross sections.Vehicle V1, vehicle V2, vehicle V3 is in laser scanning region respectively, the scanning profile data formed as shown in Figure 3, the cross-sectional profiles of vehicle V3 of part for scanning of projection on the right side of the track section of track section and road surface intersection L1 and the scanning of scanning and road surface intersection L2, the track section of scanning and road surface intersection L2, the track section of scanning and road surface intersection L3, the track section of scanning and the cross-sectional profiles of vehicle V2 of the part of road surface intersection L4 intermediate projections for scanning, the track section of scanning and road surface intersection L3, the track section of scanning and road surface intersection L4, the track section of scanning and road surface intersection L5, the track section of scanning and the cross-sectional profiles of vehicle V1 of the part of road surface intersection L6 left hand projection for scanning.By collection, the process of data collection processor C1, output detections result, completes the accurate location of vehicle.
Above embodiment is only for illustration of the utility model; and be not limitation of the utility model; the those of ordinary skill of relevant technical field; when not departing from spirit and scope of the present utility model; can also make a variety of changes and modification; therefore all equivalent technical schemes also belong to category of the present utility model, and scope of patent protection of the present utility model should be defined by the claims.
Claims (3)
1. a Vehicle positioning system, is characterized in that, described system comprises: laser sensor group, is at least three laser sensors, for the cross-sectional data of Real-time Collection vehicle; Data collection processor, is connected with described laser sensor group, for gathering the data of laser sensor group, process, and output detections result;
Described laser sensor is scanning type laser sensor;
The scanning section of described laser sensor is vertical with direction of traffic with the intersection on road surface, and described scanning section is facing to direction to the car;
Each laser sensor scanning section in described laser sensor group and the intersection on road surface are parallel to each other, and are spaced apart between 0.5 ~ 5 meter.
2. the system as claimed in claim 1, is characterized in that, the even or non-homogeneous arrangement in the interval of described laser sensor group scanning section and road surface intersection.
3. the system as claimed in claim 1, is characterized in that, the setting height(from bottom) of described laser sensor group is at least 5 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520404015.4U CN204680215U (en) | 2015-06-12 | 2015-06-12 | A kind of Vehicle positioning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520404015.4U CN204680215U (en) | 2015-06-12 | 2015-06-12 | A kind of Vehicle positioning system |
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| CN204680215U true CN204680215U (en) | 2015-09-30 |
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| CN201520404015.4U Active CN204680215U (en) | 2015-06-12 | 2015-06-12 | A kind of Vehicle positioning system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109801503A (en) * | 2017-11-17 | 2019-05-24 | 武汉万集信息技术有限公司 | Vehicle speed measuring method and system based on laser |
| CN109979204A (en) * | 2019-04-02 | 2019-07-05 | 浙江多普勒环保科技有限公司 | Light cuts multilane speed and acceleration detecting and its method |
-
2015
- 2015-06-12 CN CN201520404015.4U patent/CN204680215U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109801503A (en) * | 2017-11-17 | 2019-05-24 | 武汉万集信息技术有限公司 | Vehicle speed measuring method and system based on laser |
| CN109801503B (en) * | 2017-11-17 | 2020-10-20 | 武汉万集信息技术有限公司 | Vehicle speed measuring method and system based on laser |
| CN109979204A (en) * | 2019-04-02 | 2019-07-05 | 浙江多普勒环保科技有限公司 | Light cuts multilane speed and acceleration detecting and its method |
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| TR01 | Transfer of patent right |
Effective date of registration: 20231205 Address after: 430200, 7th floor, Building 3, Phase II, Modern Service Industry Demonstration Base, Huazhong University of Science and Technology Science Park, Guandong Street, Wuhan Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee after: Wuhan Wanji Photoelectric Technology Co.,Ltd. Address before: 100085 No. 5, building 1, East Road, Haidian District, Beijing, 601 Patentee before: BEIJING WANJI TECHNOLOGY Co.,Ltd. |