CN204215455U - A kind of car-mounted device with function of path recognition - Google Patents
A kind of car-mounted device with function of path recognition Download PDFInfo
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- CN204215455U CN204215455U CN201420743392.6U CN201420743392U CN204215455U CN 204215455 U CN204215455 U CN 204215455U CN 201420743392 U CN201420743392 U CN 201420743392U CN 204215455 U CN204215455 U CN 204215455U
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Abstract
本实用新型公开了一种具有路径识别功能的车载装置，包括微处理器、用于接收和发射射频信号的专用短程通信模块、用于接收各种卫星导航定位系统信息的卫星定位模块、用于保存车辆信息的安全存储模块、用于操作智能卡的读卡模块、用于提示信息的人机交互模块以及电源管理模块，所述专用短程通信模块、卫星定位模块、读卡模块、安全存储模块、人机交互模块均与微处理器连接，所述电源模块为各模块供电。本实用新型能够解决现有电子不停车收费系统中路径识别问题，同时，为高速公路运营企业创造效益，解决多年来的存在的精确收费与精确拆分问题。
The utility model discloses a vehicle-mounted device with path identification function, which comprises a microprocessor, a dedicated short-range communication module for receiving and transmitting radio frequency signals, a satellite positioning module for receiving information of various satellite navigation and positioning systems, and a A safe storage module for storing vehicle information, a card reading module for operating smart cards, a human-computer interaction module for prompting information, and a power management module, the dedicated short-range communication module, satellite positioning module, card reading module, safe storage module, The man-machine interaction modules are all connected with the microprocessor, and the power supply module supplies power for each module. The utility model can solve the path identification problem in the existing electronic non-stop toll collection system, and at the same time, create benefits for expressway operating enterprises, and solve the problems of accurate toll collection and accurate splitting that have existed for many years.
Description
Technical field
The utility model relates to the research field of car-mounted device, particularly a kind of car-mounted device with function of path recognition.
Background technology
Electronic charging system without parking (Electronic Toll Collection system, be called for short ETC system) adopt Dedicated Short Range Communications, (Dedicated ShortRange Communication, be called for short DSRC) technology, complete roadside unit (Roadside Unit, be called for short RSU) and board units (On Board Unit, be called for short OBU) between two-way communication, wirelessly carry out safety certification and consumption is withholdd, realize non-parking charge, greatly accelerate vehicle pass-through speed, decrease the congestion of charge ring road mouth, improve the traffic capacity of highway.
At present, the board units (OBU) of China's electronic charging system without parking (ETC), in order to compatible with manual toll collection system (MTC), generally have employed the board units design of double-disk.The double-disk board units of this routine adopts powered battery, needs to use smart card.Completed by built-in transaction program and complete transaction with the roadside unit (RSU) installed on the lane in which the drivers should pay fees, realize the compatibility with manual toll collection system (MTC) by smart card.
Along with constantly carrying out of expressway construction, the density of road network is more and more higher, define numerous ring-types, reticulate texture on a highway, ambiguity path in networked fee collection is caused to be increased, due to cannot Path Recognition be accurately carried out, result in collecting of toll inaccurate, the fractionation that also result in toll is inaccurate, causes loss to the owner of highway.
Although mobile satellite location equipment is widely used on vehicle, its application is limited to the aspects such as monitoring location and navigation substantially.Present satellite positioning tech is ripe day by day, but also fails for expressway tol lcollection.
Utility model content
Fundamental purpose of the present utility model is that the shortcoming overcoming prior art is with not enough, provides a kind of car-mounted device with function of path recognition.
In order to achieve the above object, the utility model is by the following technical solutions:
A kind of car-mounted device with function of path recognition, comprise microprocessor, also comprise for receiving with the Dedicated Short Range Communications, module of emitting radio frequency signal, for receiving the satellite positioning module of various satellite navigation locating information, secure storage module, the card reading module for operative intelligence card, the human-computer interaction module for information and power management module, described Dedicated Short Range Communications, module, satellite positioning module, card reading module, secure storage module, human-computer interaction module are all connected with microprocessor; Described power module is microprocessor power supply.
Preferably, described Dedicated Short Range Communications, module comprises: junction service chip, microwave receiving unit, Microwave emission unit, wakeup unit and microstrip antenna; Described microwave receiving unit, Microwave emission unit, wakeup unit and microstrip antenna are all connected with junction service chip; Microstrip antenna receives and comes from the microwave signal of roadside unit, wakes microprocessor up by wakeup unit, and then microwave receiving carries out filtering, amplification, demodulation by Signal transmissions to microprocessor to the signal coming from microstrip antenna; When transmitting data, microprocessor transfers data to Microwave emission unit, through the modulation of Microwave emission unit, is launched by microstrip antenna.
Preferably, described junction service chip adopts EI6602 chip.
Preferably, described satellite positioning module comprises: satnav receiving antenna unit and satellite signal processing unit two parts; Described satellite processing unit adopts MC1010B process chip.
Preferably, described secure storage module adopts ESAM chip, and described ESAM chip directly connects microprocessor.
Preferably, smart card reader module comprises: smart card reader chip, antenna and accessory circuit, and described antenna and accessory circuit are connected with smart card reader chip; Described smart card reader chip is also connected with microprocessor.
Preferably, power management module comprises: power-switching circuit, battery and vehicle power, and described power-switching circuit is connected with battery and vehicle power respectively.
Preferably, described microprocessor is the microprocessor that STM32F103 is serial or MSP430F5 is serial.
Preferably, described human-computer interaction module comprises display screen, alarm and communication interface, described display screen LED, LCD or OLED display screen; Described alarm is pilot lamp alarm or hummer; Described communication interface is connected with external unit by the wireless mode of bluetooth or Wi-Fi.
Compared with prior art, tool has the following advantages and beneficial effect the utility model:
1, car-mounted device of the present utility model is by installing Dedicated Short Range Communications, module, solves the short distance high-speed traffic between vehicle and charge station, achieves non-parking charge.
2, car-mounted device of the present utility model is by installing satellite positioning module, thus effectively solves the problem of Path Recognition in existing electronic charging system without parking, for highway operation enterprise creates benefit.
3, car-mounted device of the present utility model is by the record to vehicle running path, achieve and pay the fees according to the actual travel path of vehicle, maintain the interests of driver, highway owner both sides, decrease the payment volume dispute because driving path misregister causes.
Accompanying drawing explanation
Fig. 1 is circuit block diagram of the present utility model;
Fig. 2 is the circuit theory diagrams of the utility model Dedicated Short Range Communications, module;
Fig. 3 is the circuit theory diagrams of the utility model satellite positioning module.
Fig. 4 is the circuit theory diagrams of the utility model secure storage module;
Fig. 5 is the circuit theory diagrams of the utility model processor;
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Embodiment
As shown in Figure 1, a kind of car-mounted device with function of path recognition of the present embodiment, comprise microprocessor 4, for receive and emitting radio frequency signal Dedicated Short Range Communications, module 1, for receiving the satellite positioning module 7 of various satellite navigation locating information, secure storage module 2, the card reading module 8 for operative intelligence card, the human-computer interaction module 5 for information and power management module 3, described Dedicated Short Range Communications, module, satellite positioning module, card reading module, secure storage module, human-computer interaction module are all connected with microprocessor; Described power module is microprocessor power supply.
As shown in Figure 2, described Dedicated Short Range Communications, module comprises microwave module 6 and microstrip antenna, and described microwave module 6 comprises microwave receiving unit and microwave transmitting element; Microstrip antenna receives and comes from the microwave signal of roadside unit, wakes microprocessor up by wakeup unit, and then microwave receiving carries out filtering, amplification, demodulation by Signal transmissions to microprocessor to the signal coming from microstrip antenna; When transmitting data, microprocessor transfers data to Microwave emission unit, through the modulation of Microwave emission unit, is launched by microstrip antenna.In the present embodiment, Dedicated Short Range Communications, module adopts ET6602 chip, described chip internal have FM0 demodulation, decoding (optional) and modulate, coding module.Based on reduction power consumption consideration, chip internal only has microwave testing circuit at ordinary times in work.When receiving microwave signal, chip is to microprocessor wake-up signal, microprocessor arranges chip after receiving this wake-up signal and is in duty, chip starts restituted signal, chip data is replied to after microprocessor analytic solution tonal signal, chip is launched after being modulated to 5.8GHz, has launched rear chip and has again been set to low power consumpting state by microprocessor.This chip adopts SPI interface and microprocessor to carry out data interaction, and external crystal-controlled oscillation frequency is 16.384MHz, and antenna adopts differential microstrip antenna.
As shown in Figure 3, described satellite positioning module comprises: satnav receiving antenna unit, satellite signal processing unit two parts; Satellite signal processing unit receive satellite-signal after filtering, amplify, demodulation, and process after send to microprocessor.In the present embodiment, described satellite positioning module adopts MC1010B module, this module is the Big Dipper/GPS dual-mode locating module, the active ceramic antenna of bimodulus is connected by RF_IN pin, obtain satellite positioning information, after resume module, generate NMEA0183 standard agreement, give microprocessor by serial ports by data.Based on the consideration reducing power consumption, whether the duty of locating module, can work according to independent control of current needs.
As shown in Figure 4, described safety adopts one piece of safety chip (ESAM), is directly connected with microprocessor.Its inside of secure storage module comprises the unit such as storage, algorithm process, calculating, above-mentioned algorithm process and computing unit be ESAM chip intrinsic, directly this chip is applied to the present embodiment, provide the data of information of vehicles to store and safe read-write function, operated by microprocessor.
Described smart card reader module comprises: smart card reader chip, antenna and accessory circuit, and wherein smart card reader chip is connected with microprocessor, accepts microprocessor-based control.
Described power management module comprises: power-switching circuit, battery, vehicle power etc., described power-switching circuit is connected with battery and vehicle power respectively, is the power source of car-mounted device.
As shown in Figure 5, in the present embodiment, described microprocessor is 16, the 32-bit microprocessors such as STM32F103 is serial, MSP430F5 is serial; Certain microprocessor of the present utility model is not limited to above-mentioned several, and other microprocessor that can complete the utility model above-mentioned functions is all applicable to the application.
Described human-computer interaction module comprises display screen, alarm and communication interface, described display screen LED, LCD or OLED display screen; Described alarm is pilot lamp alarm or hummer; Described communication interface is connected with external unit by the wireless mode of bluetooth or Wi-Fi.
Above-described embodiment is the utility model preferably embodiment; but embodiment of the present utility model is not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present utility model and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection domain of the present utility model.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420743392.6U CN204215455U (en) | 2014-11-28 | 2014-11-28 | A kind of car-mounted device with function of path recognition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420743392.6U CN204215455U (en) | 2014-11-28 | 2014-11-28 | A kind of car-mounted device with function of path recognition |
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| CN204215455U true CN204215455U (en) | 2015-03-18 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105551097A (en) * | 2015-12-09 | 2016-05-04 | 深圳市金溢科技股份有限公司 | Vehicular unit, vehicle positioning method and path identification method |
| CN105957162A (en) * | 2016-04-28 | 2016-09-21 | 乐视控股（北京）有限公司 | ETC vehicle-mounted device |
| CN106130586A (en) * | 2016-08-29 | 2016-11-16 | 长沙理工大学 | Vehicle-mounted wireless transmitting and receiving terminal |
| WO2017041521A1 (en) * | 2015-09-07 | 2017-03-16 | 中兴通讯股份有限公司 | Internet of vehicle communication method and device |
-
2014
- 2014-11-28 CN CN201420743392.6U patent/CN204215455U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017041521A1 (en) * | 2015-09-07 | 2017-03-16 | 中兴通讯股份有限公司 | Internet of vehicle communication method and device |
| CN105551097A (en) * | 2015-12-09 | 2016-05-04 | 深圳市金溢科技股份有限公司 | Vehicular unit, vehicle positioning method and path identification method |
| CN105957162A (en) * | 2016-04-28 | 2016-09-21 | 乐视控股（北京）有限公司 | ETC vehicle-mounted device |
| CN105957162B (en) * | 2016-04-28 | 2018-06-22 | 睿驰智能汽车（广州）有限公司 | A kind of car-mounted device of ETC |
| CN106130586A (en) * | 2016-08-29 | 2016-11-16 | 长沙理工大学 | Vehicle-mounted wireless transmitting and receiving terminal |
| CN106130586B (en) * | 2016-08-29 | 2018-05-11 | 长沙理工大学 | Vehicle-mounted wireless transmitting and receiving terminal |
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Granted publication date: 20150318 |
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