CN206186895U - Built -in rear -view mirror vehicle -mounted electronic label's electromechanics is prevented dismouting and is put - Google Patents
Built -in rear -view mirror vehicle -mounted electronic label's electromechanics is prevented dismouting and is put Download PDFInfo
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- CN206186895U CN206186895U CN201621164204.XU CN201621164204U CN206186895U CN 206186895 U CN206186895 U CN 206186895U CN 201621164204 U CN201621164204 U CN 201621164204U CN 206186895 U CN206186895 U CN 206186895U
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- rearview mirror
- prevent
- tamper
- electronic label
- electromechanical
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Abstract
The utility model relates to a built -in rear -view mirror vehicle -mounted electronic label's electromechanics is prevented dismouting and is put, embed rear -view mirror connecting rod, mount pad and prevent that strip inspection surveys the unit including the car. The car embeds the rear -view mirror connecting rod, and its internal design has wire harness channel, is used for connecting the mount pad with prevent that strip inspection surveys the unit. On the mount pad was fixed in car windshield, the conducting strip had been inlayed on its surface. Prevent that strip inspection surveys the unit, contain and prevent the number of opening a letter pencil, prevent tearing open signal detection circuit and connecting piece. Prevent that the number of opening a letter pencil is including preventing tearing open signal line and earth connection, prevent tearing open the signal line and with the earth connection is followed prevent that strip inspection surveys the circuit and draws forth, pass wire harness channel, with the connecting piece links to each other. The utility model discloses a preceding dress OBU electromechanics is prevented the dismouting and is put, simple structure, and simple to operate, it is reliable and stable to prevent tearing open the effect, has improved preceding other system complexity that prevent the scheme of tearing open of dress OBU to greatly reduced the cost, good application prospect has.
Description
Technical field
The utility model is related to ETC (electronic charging system without parking) technology, further, is related to ETC electronic tags to pacify
Full application technology, more particularly to preceding dress OBU (vehicle carried electronic label) tamper technology, specifically, being a kind of rearview mirror internally-arranged type OBU
Electromechanical antiwithdrawal device.
Background technology
ETC makes OBU and expressway tol lcollection mouthful RSU (roadside unit) using technological means such as electronics, communication, information processings
Enter row information exchange, realize the non-parking charge of automobile.ETC system can effectively alleviate the societies such as traffic congestion, noise tail gas pollution
Meeting problem, brings huge economic benefit.
OBU types include two kinds of muzzle-loading and rear-loading type.Preceding dress OBU is just loaded in the car before automobile dispatches from the factory, and
And preservation associated vehicle information is bound with automobile.Automotive internal rearview mirror type OBU is a kind of form of preceding dress OBU, is exactly
It is integrated into rearview mirror to save interior space by the institute of OBU is functional, increases aesthetic measure.Preceding dress OBU and common rear dress OBU
Equally, it is desirable to which it should have anti-disassembling function.At present, the tamper of preceding dress OBU is mainly by electronics or wireless mode, tamper system
System is complicated, and development difficulty coefficient is big, and relatively costly.
Utility model content
In order to the electronics tamper of dress OBU or wireless detatching-proof system are complicated before solving, development difficulty is big, and relatively costly asks
Topic, the utility model provides a kind of electromechanical antiwithdrawal device of rearview mirror internally-arranged type vehicle carried electronic label.
The device includes automotive internal rearview mirror connecting rod, mounting seat and tamper detection unit.The automotive internal backsight
Mirror connecting rod, the wired beam passage of its indoor design, for connecting the mounting seat and the tamper detection unit.The mounting seat
It is fixed on windshield, its surface is embedded with conducting strip.The tamper detection unit, comprising tamper signal wire harness, tamper
Signal deteching circuit and connector.
The tamper signal wire harness includes tamper holding wire and ground wire, and the tamper holding wire and the ground wire are from institute
State tamper detection circuit to draw, through the wire harness passage, be connected with the connector.
The automotive internal rearview mirror connecting rod is installed in the mounting seat, in the connector and described mounting seat
Conducting strip contact, the tamper holding wire connects with ground wire, and expression OBU is not disassembled.
The automotive internal rearview mirror connecting rod is removed from the mounting seat, and the connector departs from conducting strip, described
Tamper holding wire is disconnected with ground wire, represents that OBU is disassembled.
The electromechanical antiwithdrawal device of the interior rearview mirror vehicle carried electronic label of the utility model design, simple structure, installation side
Just, tamper effect stability reliability, the system complexity of other tamper schemes of dress OBU before improving, and greatly reduce into
This, has a good application prospect.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structure chart of the present utility model；
Fig. 2 is electrical connection diagram of the present utility model；
Fig. 3 is tamper detection circuit diagram of the present utility model.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Below in conjunction with the accompanying drawings, the technical scheme in the utility model is described in further detail.
Antiwithdrawal device as shown in Figure 1, including automotive internal rearview mirror connecting rod 10, mounting seat 20, tamper detection unit
30 and OBU circuit boards 40.The automotive internal rearview mirror connecting rod 10, the wired beam passage 101 of its indoor design, for connecting
State mounting seat 20 and the tamper detection unit 30.The mounting seat 20 is fixed on windshield, and its surface is embedded with leads
Electric piece 201.The tamper detection unit 30, comprising tamper signal wire harness 301, tamper signal deteching circuit 303 and connector
302。
Antiwithdrawal device and electrical connection diagram as shown in Figure 1, 2, the automotive internal rearview mirror connecting rod 10 also include connecting
Joint chair 102.The tamper signal wire harness 301 includes tamper holding wire 304 and ground wire 305.The tamper signal deteching circuit
303 are located on OBU circuit boards 40.The connector 302 can be the elements such as probe, connector, sheet metal, be in the present embodiment
Spring probe.The spring probe is arranged on the connecting seat 102.The tamper holding wire 304 and with the ground wire 305
Drawn from tamper detection circuit 303, through the wire harness passage 101, be connected with the spring probe.
Tamper detection circuit as shown in Figure 3, including MCU, R1, R2 and D1.The MCU (microcontroller) is master control core
Piece, for controlling vehicle carried electronic label to work.R1 is pull-up resistor, and R2 is current-limiting resistance, and D1 is electrostatic protection diode.Work as institute
State automotive internal rearview mirror connecting rod 10 to be installed to when in the mounting seat 20, in the spring probe and the mounting seat 20
Conducting strip is contacted, and the tamper holding wire 304 is connected with ground wire 305, and tamper signal shows as low level signal, is represented
OBU is not dismantled；When the automotive internal rearview mirror connecting rod 10 is removed from mounting seat 20, the spring probe departs from conductive
Piece 201, makes the tamper holding wire 304 be separated with ground wire 305, and tamper signal is drawn high by pull-up resistor R1, shows as height
Level signal, represents that OBU is disassembled, and the MCU collects high level signal, dismounting information is preserved, and carry out at tamper
Reason, makes OBU trading functions fail, and this OBU can not be continuing with, and reach tamper purpose.
The explanation of above example is only intended to help and understands method of the present utility model and core concept, it is clear that ability
The technical staff in domain can carry out certain change without departing from spirit and scope of the present utility model to the utility model, above-mentioned
Change will be also comprised within the utility model.
Claims (7)
1. a kind of electromechanical antiwithdrawal device of interior rearview mirror vehicle carried electronic label, comprising OBU circuit boards, it is characterised in that described
Antiwithdrawal device is made up of automotive internal rearview mirror connecting rod, mounting seat and tamper detection unit.
2. the electromechanical antiwithdrawal device of a kind of interior rearview mirror vehicle carried electronic label according to claim 1, it is characterised in that
The automotive internal rearview mirror connecting rod, the wired beam passage of its indoor design, for connecting the mounting seat and described anti-opening and inspecting
Survey unit.
3. the electromechanical antiwithdrawal device of a kind of interior rearview mirror vehicle carried electronic label according to claim 1, it is characterised in that
The mounting seat is fixed on windshield, and its surface is embedded with conducting strip.
4. the electromechanical antiwithdrawal device of a kind of interior rearview mirror vehicle carried electronic label according to claim 1, it is characterised in that
The tamper detection unit, comprising tamper signal wire harness, tamper signal deteching circuit and connector.
5. a kind of electromechanical antiwithdrawal device of interior rearview mirror vehicle carried electronic label according to claim 1, described to prevent opening a letter
Number wire harness includes tamper holding wire and ground wire, it is characterised in that the tamper holding wire and the ground wire are from the tamper
Detection circuit is drawn, and through the wire harness passage, is connected with the connector.
6. the electromechanical antiwithdrawal device of a kind of interior rearview mirror vehicle carried electronic label according to claim 1, it is characterised in that
The automotive internal rearview mirror connecting rod is installed in the mounting seat, and the connector connects with the conducting strip in the mounting seat
Touch, described tamper holding wire is connected with ground wire.
7. the electromechanical antiwithdrawal device of a kind of interior rearview mirror vehicle carried electronic label according to claim 1, it is characterised in that
The automotive internal rearview mirror connecting rod is removed from the mounting seat, and the connector departs from conducting strip, the tamper signal
Line is disconnected with ground wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621164204.XU CN206186895U (en) | 2016-10-25 | 2016-10-25 | Built -in rear -view mirror vehicle -mounted electronic label's electromechanics is prevented dismouting and is put |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621164204.XU CN206186895U (en) | 2016-10-25 | 2016-10-25 | Built -in rear -view mirror vehicle -mounted electronic label's electromechanics is prevented dismouting and is put |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206186895U true CN206186895U (en) | 2017-05-24 |
Family
ID=58732941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621164204.XU Active CN206186895U (en) | 2016-10-25 | 2016-10-25 | Built -in rear -view mirror vehicle -mounted electronic label's electromechanics is prevented dismouting and is put |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206186895U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108705975A (en) * | 2018-05-25 | 2018-10-26 | 深圳市歌美迪电子技术发展有限公司 | Rearview mirror |
| CN109017571A (en) * | 2018-06-25 | 2018-12-18 | 刘志坤 | A kind of vehicle display device with backsight monitoring function |
| WO2019227533A1 (en) * | 2018-05-28 | 2019-12-05 | 深圳市歌美迪电子技术发展有限公司 | Rearview mirror and automobile |
-
2016
- 2016-10-25 CN CN201621164204.XU patent/CN206186895U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108705975A (en) * | 2018-05-25 | 2018-10-26 | 深圳市歌美迪电子技术发展有限公司 | Rearview mirror |
| WO2019223050A1 (en) * | 2018-05-25 | 2019-11-28 | 深圳市歌美迪电子技术发展有限公司 | Rearview mirror and method for preventing tampering of etc module in rearview mirror |
| WO2019227533A1 (en) * | 2018-05-28 | 2019-12-05 | 深圳市歌美迪电子技术发展有限公司 | Rearview mirror and automobile |
| CN109017571A (en) * | 2018-06-25 | 2018-12-18 | 刘志坤 | A kind of vehicle display device with backsight monitoring function |
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