CN203444645U - Vehicle driving route identification device applied in highway - Google Patents
Vehicle driving route identification device applied in highway Download PDFInfo
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- CN203444645U CN203444645U CN201320503214.1U CN201320503214U CN203444645U CN 203444645 U CN203444645 U CN 203444645U CN 201320503214 U CN201320503214 U CN 201320503214U CN 203444645 U CN203444645 U CN 203444645U
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Abstract
The utility model discloses a vehicle driving route identification device applied in a highway. The device comprises a GPS signal receiving and processing module used for carrying out operation on a received satellite signal and obtaining the three-dimensional position coordinate data of a vehicle, a central control memory which is used for comparing a vehicle three-dimensional position coordinate with internally stored road network identification point coordinates and storing a road network identification point whose distance to the vehicle three-dimensional position coordinate is smaller than an allowable error value, and a contactless RF communication module for the communication between the central control memory and the card reading device of a charging system. The vehicle driving route identification device has the advantages that the GPS positioning technology is used to carry out accurate positioning on the vehicle, thus the accurate route identification is realized, and the device is integrated with the functions of an original highway pass card at the same time.
Description
Technical field
The invention belongs to intelligent transport technology field, relate to a kind of GPS and non-contact radio frequency cards technology, specifically, is a kind of vehicle running path recognition device that is applied to highway.
Background technology
Networked fee collection has been implemented in the most of province of China at present, and networked fee collection adopts close toll standard, close toll standard is collected toll according to class of vehicle and distance travelled number, then the expense of collecting is torn open to account, pay respectively vehicle through the operation side in section.Owing to travelling in road network, vehicle can have multiple routing, and therefore, the driving path of all vehicles must onlyly determine, otherwise Vehicle-Miles of Travel number and running section just can not determine, toll also just be can not determine, and then torn account open and just can not carry out.Therefore, in freeway net, vehicle running path identification problem is the key issue that networked fee collection must solve.
The driving path of vehicle be vehicle the track that forms of the each point of process, therefore, the gordian technique of Path Recognition is the location technology of vehicle.If the position of energy Real-time Obtaining vehicle in road network, vehicle running path is just unique has determined.At present the conventional accurate path identification method based on vehicle positioning technology mainly contains two kinds of RFID method and car plate method of identifications.RFID method need to be changed all card-reading apparatus at present, sets up a plurality of sign websites, and cost is high; And beacon station signal is subject to block, reliability is not high.The accuracy of identification of car plate method of identification is not high enough, and is subject to the environmental influences such as weather illumination large.
GPS (GPS) is the Global Positioning System (GPS) that U.S.'s exploitation is laid, and is the most widely used satnav of current civil area, navigational system.The positioning precision of this system is higher, can meet vehicle location demand in most cases.Through the development of decades, technology maturation, Related product is abundant, and modularization and integrated degree are high, are beneficial to miniaturized application.Non-contact radio frequency cards technology, due to advantages such as reliability are high, easy to operate, encryption is good, is widely used in current highway passing card, for recording and charge relevant information of vehicles.
Summary of the invention
The utility model provides a kind of vehicle running path recognition device that is applied to highway, utilizes GPS location technology to carry out accurately location to vehicle, and then realizes accurate Path Recognition; Meanwhile, the integrated function of former highway passing card.
A vehicle running path recognition device for highway, is characterized in that: comprise for the satellite-signal receiving is resolved, obtain the gps signal receiving processing module of the three-dimensional location coordinates data of vehicle; For the road network identification point coordinate of vehicle three-dimensional location coordinates and storage inside is compared, by the center control store of storing apart from the road network identification point that is less than permissible error value with vehicle three-dimensional location coordinates; For the non-contact radio-frequency communication module of communicating by letter between the card-reading apparatus of center control store and Fare Collection System; For the power module of powering.
Described gps signal receiving processing module is connected with center control store by asynchronous reception/transmission interface; Non-contact radio-frequency communication module is connected with center control store by serial external apparatus interface.
The non-contact radio frequency cards communication protocol that described serial external apparatus interface support performance frequency is 13.56MHz.
The utility model has the advantage of:
(1) the utility model vehicle running path recognition device, the positioning precision of GPS positioning system is higher, can obtain the exact position of vehicle, and then obtains the accurate driving path of vehicle, can realize and accurately tear account open;
(2) the utility model vehicle running path recognition device, does not need to build the facilities such as beacon station, is beneficial to the popularization upgrading of technology;
(3) the utility model vehicle running path recognition device, makes full use of at present widely used highway tolling system visa card read-write equipment, reduces the cost of applying of the present invention.
Accompanying drawing explanation
Fig. 1 is the utility model vehicle running path recognition device structured flowchart;
Fig. 2 is road network identification point explanation schematic diagram.
In figure:
1-center control store 2-GPS signal receiving processing module 3-non-contact radio-frequency communication module 4-power module
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
The utility model vehicle running path recognition device, comprises center control store 1, gps signal receiving processing module 2, non-contact radio-frequency communication module 3 and power module 4, as shown in Figure 1.
Wherein, gps signal receiving processing module 2 is connected with center control store by asynchronous reception/transmission (UART) interface, for the satellite-signal receiving at interval of time t, resolve, obtain the three-dimensional location coordinates of vehicle, send to center control store 1 and store.Above-mentioned interval time, t can set in gps signal receiving processing module 2.
Non-contact radio-frequency communication module 3 is connected with center control store 1 by serial external apparatus interface (SPI), support performance frequency is the non-contact radio frequency cards communication protocol of 13.56MHz, for realizing communicating by letter between the card-reading apparatus of center control store 1 and Fare Collection System, vehicle running path data in the road network that receiving center control store 1 obtains, and send to Fare Collection System; When vehicle rolls road network away from, according to all vehicle running path data, in conjunction with entrance and exit coordinates data, can obtain the driving path of well-determined vehicle in road network thus.
Above-mentioned center control store 1 also can be used to control the duty of gps signal receiving processing module 2 and non-contact radio-frequency communication module 3.Gps signal receiving processing module 2 all has normal operating conditions and dormant state with non-contact radio-frequency communication module 3; In normal operating conditions, can realize the function that module has; And be low power consumpting state in dormant state, can save the energy content of battery, the extension fixture working time.
The utility model vehicle running path recognition device application mode is: when vehicle enters road network, by staff, start this device, and entrance coordinate and vehicle model information are write to this device; Now, centralized control unit is started working, and controls gps signal receiving processing module 2 and enters normal operating conditions, controls radio communication chip simultaneously and enters dormant state.With backward vehicle granting, in Vehicle Driving Cycle process, gps signal receiving processing module 2 is at interval of moment t receiving satellite signal, and calculates the three-dimensional location coordinates of vehicle and submit to center control store 1; Center control store 1 compares the road network identification point coordinate of each moment position coordinates and storage inside, by storing apart from the road network identification point that is less than permissible error value with vehicle three-dimensional location coordinates, as vehicle running path data; , rational permissible error is set herein, according to the positioning precision of gps signal receiving processing module 2, can guarantees that vehicle can obtain correct vehicle running hand path data through any one identification point Shi， center control store 1.Thus, when vehicle rolls road network away from, center control store 1 is controlled non-contact radio-frequency communication module 3 and is entered normal operating conditions, by non-contact radio-frequency communication module 3, obtains the vehicle running hand path data in center control store 1, is transferred to Fare Collection System; Finally according to vehicle running path data in conjunction with entrance and exit coordinates data, can obtain the driving path of well-determined vehicle in road network.
Claims (4)
1. a vehicle running path recognition device that is applied to highway, is characterized in that: comprising:
For the satellite-signal receiving is resolved, obtain the gps signal receiving processing module of the three-dimensional location coordinates data of vehicle;
For the road network identification point coordinate of vehicle three-dimensional location coordinates and storage inside is compared, by the center control store of storing apart from the road network identification point that is less than permissible error value with vehicle three-dimensional location coordinates;
For the non-contact radio-frequency communication module of communicating by letter between the card-reading apparatus of center control store and Fare Collection System;
For the power module of powering.
2. a kind of vehicle running path recognition device that is applied to highway as claimed in claim 1, is characterized in that: described gps signal receiving processing module is connected with center control store by asynchronous reception/transmission interface; Non-contact radio-frequency communication module is connected with center control store by serial external apparatus interface.
3. a kind of vehicle running path recognition device that is applied to highway as claimed in claim 2, is characterized in that: the non-contact radio frequency cards communication protocol that described serial external apparatus interface support performance frequency is 13.56MHz.
4. a kind of vehicle running path recognition device that is applied to highway as claimed in claim 1, is characterized in that: gps signal receiving processing module and non-contact radio-frequency communication module all have normal operating conditions and dormant state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320503214.1U CN203444645U (en) | 2013-08-16 | 2013-08-16 | Vehicle driving route identification device applied in highway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320503214.1U CN203444645U (en) | 2013-08-16 | 2013-08-16 | Vehicle driving route identification device applied in highway |
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| Publication Number | Publication Date |
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| CN203444645U true CN203444645U (en) | 2014-02-19 |
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| CN201320503214.1U Expired - Lifetime CN203444645U (en) | 2013-08-16 | 2013-08-16 | Vehicle driving route identification device applied in highway |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103942956A (en) * | 2014-03-31 | 2014-07-23 | 孙燕群 | Vehicle password card system applied to expressway |
| CN104331936A (en) * | 2014-10-28 | 2015-02-04 | 奇瑞汽车股份有限公司 | Expressway electronic toll collection (ETC) system and method based on vehicle networking technology |
| CN105335769A (en) * | 2015-10-19 | 2016-02-17 | 余国晓 | Movement information storing and transmission management system based on double-interface CPU card and method |
| CN107705564A (en) * | 2017-08-16 | 2018-02-16 | 齐鲁交通信息有限公司 | Express-road vehicle running track identification system and method based on mobile phone positioning |
| CN108986241A (en) * | 2018-06-14 | 2018-12-11 | 北京诚达交通科技有限公司 | A kind of highway driving Path Recognition monitoring system and method |
| CN114120640A (en) * | 2022-01-11 | 2022-03-01 | 重庆市市政设计研究院有限公司 | Road traffic volume self-adaptive control device for multi-source dynamic data check |
-
2013
- 2013-08-16 CN CN201320503214.1U patent/CN203444645U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103942956A (en) * | 2014-03-31 | 2014-07-23 | 孙燕群 | Vehicle password card system applied to expressway |
| CN104331936A (en) * | 2014-10-28 | 2015-02-04 | 奇瑞汽车股份有限公司 | Expressway electronic toll collection (ETC) system and method based on vehicle networking technology |
| CN105335769A (en) * | 2015-10-19 | 2016-02-17 | 余国晓 | Movement information storing and transmission management system based on double-interface CPU card and method |
| CN107705564A (en) * | 2017-08-16 | 2018-02-16 | 齐鲁交通信息有限公司 | Express-road vehicle running track identification system and method based on mobile phone positioning |
| CN108986241A (en) * | 2018-06-14 | 2018-12-11 | 北京诚达交通科技有限公司 | A kind of highway driving Path Recognition monitoring system and method |
| CN114120640A (en) * | 2022-01-11 | 2022-03-01 | 重庆市市政设计研究院有限公司 | Road traffic volume self-adaptive control device for multi-source dynamic data check |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140219 |