CN204314951U - A kind of access device of vehicle carried electronic label - Google Patents
A kind of access device of vehicle carried electronic label Download PDFInfo
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- CN204314951U CN204314951U CN201420674425.6U CN201420674425U CN204314951U CN 204314951 U CN204314951 U CN 204314951U CN 201420674425 U CN201420674425 U CN 201420674425U CN 204314951 U CN204314951 U CN 204314951U
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Abstract
The utility model discloses a kind of access device of vehicle carried electronic label, comprise microprocessor, power transfer module, voice synthetic module, memory module, coil, standby power supply module and communication interface.Wherein the access device of vehicle carried electronic label is connected with entire car controller, can obtain the information such as vehicle identification code, really realizes the binding of vehicle and electronic tag.Standby power supply module can be its power supply when vehicle power power down, prevents midway from interrupting; The data such as memory module store transaction, balance amount information and audio file, voice synthetic module is used for playing relevant information; Coil and memory module cooperating, can be read by handheld device and write.The utility model provides a kind of access device of vehicle carried electronic label, has both solved the powerup issue that rear dress OBU and front dress OBU faces, has extended again other functional modules.
Description
Technical field
The utility model relates to intelligent transportation and electric non-stop toll (ETC) technical field, particularly relates to a kind of access device of vehicle carried electronic label.
Background technology
ETC (Electronic Toll Collection, i.e. electronic charging system without parking) be current state-of-the-art Fare Collection System in the world, be one of service function of intelligent transportation system, vehicular traffic, by stopping during road junction, just can realize automatic charging.It is particularly suitable for using under the bridge tunnel environment of highway or heavy traffic.ETC mainly contains two parts composition, i.e. board units OBU (On Board Unit) and roadside unit RSU (Road Side), and both cooperations realize non-parking charge application jointly.RSU is generally arranged on the door frame of high speed the lane in which the drivers should pay fees, for communicating with the OBU be attached on shield glass, and sends information to track computing machine; Track computing machine controls track state, completes information processing; OBU is arranged on user's vehicle, and stores information of vehicles and user account information, by reading and writing user's IC-card and through radio-frequency module, information being sent to RSU.
Board units OBU is one of key equipment in ETC, is existingly generally independently board units module, comprises the parts such as microprocessor, battery, radio-frequency module, card reading module, safety certification and antenna.
Domestic OBU is generally rear-loading type OBU, is directly pasted onto on the front windshield of automobile with glue, adopts powered battery, harsh to power consumption requirements, and function is comparatively single; And affect the visual field to a certain extent.Also have the front dress OBU of non-commercially main flow at present, adopt vehicle-mounted power supply, can powerup issue be solved, but some vehicle is thorough power-off at flame-out rear vehicle power, if there is burst power-off be just difficult to the reliability of guarantee transaction in process of exchange; The OBU of main flow on market, seldom with voice play function, if wonder the remaining sum of IC-card, driver needs the liquid crystal display paying close attention to OBU in startup procedure, will certainly take sb's mind off sth, so very easily cause the accident; Moreover, often need to return factory when OBU goes wrong and keep in repair, just must tear machine open when uncertain problem, not by certain mark effective location problem place, add maintenance cost.
Utility model content
In order to overcome above-mentioned the deficiencies in the prior art, the utility model provides a kind of access device of vehicle carried electronic label, both solve the powerup issue that rear dress OBU and front dress OBU faces, extend again other functional modules, as voice synthetic module and memory module etc.
The purpose of this utility model, be to provide a kind of access device of vehicle carried electronic label, this device comprises power transfer module, standby power supply module, processor module, voice synthetic module, memory module and coil, and communication interface (CAN interface and/or USB interface); Wherein power transfer module (power supply is vehicle power module) is used for as vehicle carried electronic label access device and electronic module tag are powered, and power transfer module is also connected with standby power supply simultaneously, is standby power supply module charging; Standby power supply module comprises energy-storage travelling wave tube and power-switching circuit (can be that LDO or discrete component are formed), can be that electronic module tag is powered when power supply power-fail, complete transaction for electronic module tag.Microprocessor is connected with voice synthetic module by serial communication interface, and voice synthetic module is made up of speech chip, amplifying circuit and loudspeaker, is used for playing the information such as Transaction Information and IC-card remaining sum.Memory module comprises storage chip, and this chip has two kinds of interface modes, i.e. serial data interface and twireless radio-frequency communication interface, by serial data interface and micro-controller communications, can carry out the mutual of data by radio-frequency coil and outside handheld device; Be used for transmitting the information stored, the system information of electronic module tag and Transaction Information etc. can be comprised, even if when vehicle carried electronic label access device goes wrong, still can read quickly through handheld device.Microprocessor is also connected with communication interface modules, and communication interface is CAN interface and/or USB interface, for communicating with entire car controller, receiving and orders and make response.
Compared with prior art, the beneficial effects of the utility model are, one is by vehicle power for access device provides power supply, access device inner by after Power convert process for electronic module tag is powered, solve the issue for battery life that traditional OBU faces in this way; Two is extend other functional modules, as voice synthetic module, driver more can be allowed need not to divert attention in startup procedure and observe the Transaction Informations such as the IC-card remaining sum of liquid crystal display display; Three is that memory module provides radio read-write function, when electronic module tag goes wrong, simply by the direct read error information of handheld device, can need not tear when investigating fault the reading that machine just can realize information open, substantially reducing servicing time and reducing cost.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is the functional block diagram of a kind of embodiment of the present utility model.
Fig. 3 is the theory diagram of standby power supply module in the utility model.
Fig. 4 is the theory diagram of voice synthetic module of the present utility model.
Embodiment
By reference to the accompanying drawings the utility model is further illustrated below by embodiment.Obviously, described embodiment is to describe the utility model in detail, does not represent concrete enforcement of the present utility model and is only confined to these.For the utility model person of ordinary skill in the field, basis of the present utility model is easy to can carry out change and replaces.
As shown in Figure 1, power module 101 provides power supply for vehicle carried electronic label access device 103 and entire car controller 104 simultaneously, maintains the normal work of 103 and 104; Electronic module tag 102 is independently module, is carried out the transmission of information, can comprise system information, IC card information, Anti-dismantling information etc. by serial line interface and vehicle carried electronic label access device 103; Active upload its relevant information when electronic module tag 102 performs plug-in card and transaction, and vehicle carried electronic label access device 103 also can the information of active inquiry electronic module tag 102; In addition, communication is adopted between handheld device 105 and vehicle carried electronic label access device 103, by the resonant transmission information of coil, compared with wired with traditional (go here and there, parallel bus) mode, still can be carried out reading, the acquisition of convenient information and the eliminating of fault of data by coil when system does not need normally to work on power.
Fig. 2 is the functional block diagram of a kind of embodiment of the present utility model, comprises following several module: microprocessor 205, standby power supply module 201, power transfer module 202, CAN interface 206, USB interface 207, coil 210, memory module 211, voice synthetic module 212.Other modules, if electronic module tag 204, handheld device 209, power module 203 and entire car controller 208 are all independent of vehicle carried electronic label access device, just convenient its work relationship of elaboration.Described standby power supply module 201 comprises energy-storage travelling wave tube, LDO and filtering device, be that electronic module tag 204 is powered when power supply power-fail, prevent unexpected power-off in process of exchange from causing the situations such as Fail Transaction, and electronic module tag 204 can be maintained store information needed or mark, power transfer module 202 obtains power supply from vehicle power module 203, powers after changing into vehicle carried electronic label access device and electronic module tag 204, can charge for the energy-storage travelling wave tube of standby power supply module 201 simultaneously, microprocessor 205 carries out data transmission by universal serial bus and electronic module tag 204, the IC-card certification of active inquiry or reception electronic module tag 204, withhold, remaining sum and other information etc., in addition, communicated with entire car controller 208 by CAN interface 206 or USB interface 207, mutual transmission information, the information such as vehicle identifiers can be comprised, can solve traditional OBU can not really and vehicle carry out the drawback of binding, in addition, microprocessor 205 is also connected with memory module 211 with voice synthetic module 212 by serial communication interface, after microprocessor 205 sends play command, voice synthetic module 212 takes out related content and plays from memory module 211, comprise the contents such as IC-card remaining sum and Transaction Information, memory module 211 is used for the system information of store electrons label model 204, Transaction Information, the information such as the audio file of zone bit and voice module, when wanting the relevant information of quick obtaining electronic module tag 204, carry out radio communication by handheld device 209 with the coil 210 of vehicle carried electronic label access device to complete, in this embodiment, the wireless communication interface that storage chip comprises belongs to 13.56MHz frequency range, but the utility model protect be not limited to this frequency range.
Fig. 3 is the theory diagram of standby power supply module in the utility model, and this standby power supply comprises energy-storage travelling wave tube 301 and power-switching circuit 302, specifically can show as LDO and peripheral circuit, and being converted to 3.3V is that electronic module tag 303 is powered; Wherein LDO can select the MAX16910 of U.S. letter, and its input voltage range is enough wide, and be+3.5V ~+30V, output voltage is 3.3V, and this device change-over circuit embodies to some extent in its databook, is the known content of correlative technology field, repeats no more.
Fig. 4 is the theory diagram of voice synthetic module of the present utility model, comprise speech chip 402, amplifying circuit 403 and loudspeaker 404, when needs displaying audio file, microprocessors 401 only need send order to speech chip 402, required file can recall by speech chip 402 from memory module 405, is play after amplifying circuit 403 by loudspeaker 404.Only a kind of mode of embodiment herein, know person skilled in art be easy to expect to adopt a by speech conversion chip and the integrated chip of amplifying circuit to realize this function, similar change also should in the protection domain of this patent.The above; for the comparatively preferred embodiment of the utility model; only its principle is set forth; this elaboration just understands method of the present utility model and core concept for helping; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art according to thought of the present utility model, embodiment and technical scheme revised a little, all should be included in protection domain of the present utility model.
Claims (6)
1. an access device for vehicle carried electronic label, is characterized in that: comprise microprocessor, power transfer module, voice synthetic module, memory module, coil, standby power supply module and communication interface; Described microprocessor is connected with described voice synthetic module and described memory module by serial communication interface; Described microprocessor is also connected with communication interface modules, for communicating with entire car controller; Described power transfer module is access device and the electronic label with power of described vehicle carried electronic label; Described power transfer module is also connected with described standby power supply, for charging to described standby power supply; Described memory module is also connected with described coil.
2. the access device of a kind of vehicle carried electronic label according to claim 1, is characterized in that, described memory module comprises storage chip, jointly forms radio communication main body with coil.
3. the access device of a kind of vehicle carried electronic label according to claim 1, is characterized in that, described standby power supply module comprises energy-storage travelling wave tube and power conversion elements, for electronic module tag is powered.
4. the access device of a kind of vehicle carried electronic label according to claim 1, is characterized in that, described voice synthetic module comprises speech chip, amplifying circuit and loudspeaker.
5. the access device of a kind of vehicle carried electronic label according to claim 1, is characterized in that, described communication interface is CAN interface and/or USB interface.
6. the access device of a kind of vehicle carried electronic label according to claim 2, it is characterized in that, described storage chip comprises double nip, be respectively serial data interface and radio frequency interface, by serial data interface and micro-controller communications, carry out the mutual of data by radio-frequency coil and outside handheld device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201420674425.6U CN204314951U (en) | 2014-11-06 | 2014-11-06 | A kind of access device of vehicle carried electronic label |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420674425.6U CN204314951U (en) | 2014-11-06 | 2014-11-06 | A kind of access device of vehicle carried electronic label |
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| CN204314951U true CN204314951U (en) | 2015-05-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108154246A (en) * | 2016-12-06 | 2018-06-12 | 北京京东尚科信息技术有限公司 | Logistic information systems and its information processing method |
| CN110992701A (en) * | 2019-11-08 | 2020-04-10 | 北京万集科技股份有限公司 | Vehicle overrun detection system |
| CN115410376A (en) * | 2021-05-28 | 2022-11-29 | 深圳成谷科技有限公司 | Vehicle identity determination method, device and equipment applied to vehicle-road cooperation |
-
2014
- 2014-11-06 CN CN201420674425.6U patent/CN204314951U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108154246A (en) * | 2016-12-06 | 2018-06-12 | 北京京东尚科信息技术有限公司 | Logistic information systems and its information processing method |
| CN110992701A (en) * | 2019-11-08 | 2020-04-10 | 北京万集科技股份有限公司 | Vehicle overrun detection system |
| CN115410376A (en) * | 2021-05-28 | 2022-11-29 | 深圳成谷科技有限公司 | Vehicle identity determination method, device and equipment applied to vehicle-road cooperation |
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