CN2318090Y - Anti-theft device for motor means of transportation - Google Patents
Anti-theft device for motor means of transportation Download PDFInfo
- Publication number
- CN2318090Y CN2318090Y CN97220012U CN97220012U CN2318090Y CN 2318090 Y CN2318090 Y CN 2318090Y CN 97220012 U CN97220012 U CN 97220012U CN 97220012 U CN97220012 U CN 97220012U CN 2318090 Y CN2318090 Y CN 2318090Y
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- China
- Prior art keywords
- electric control
- power
- oil
- power machine
- engine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Lock And Its Accessories (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The utility model relates to an anti-theft device for a motor vehicle, which has the structure that a coder 1, a cipher receiver 2 and an encoder 4 are orderly connected, and the encoder is connected with an oil-off and power-off device 5 and an electric control lock 6. A cover of a power machine bin 3 is locked by the electric control lock, and the encoder 4, the oil-off and power-off device 5 and the electric control lock 6 are all arranged in the power machine bin. The utility model enables the cover of the power machine bin to be locked by the electric control lock which is controlled by the encoder, and the starting of a power machine is controlled by the oil-off and power-off device. Without a suitable coder, the power machine can not start, and the cover of the power machine bin can not be opened. Thus, a thief can not drive the motor vehicle.
Description
The utility model relates to a kind of anti-joyride device, and what it was suitable for using energy drives has power cabin, the various automotives of Cang Gai.
Alarms and security systems for automobiles of the prior art, most volume, decoding techniques of digital integrated circuit of adopting are controlled oil-break, breaker device, impel engine to start, have only coding and decoding to coincide, engine could turn round, and all oil-breaks, breaker device rely on all that last open circuit point starts engine in the close circuit.The actv. way of closed this open circuit point is exactly a short circuit, also is key car thief's general way.Alarms and security systems for automobiles uses the short circuit method to start engine in order to prevent, the open-ended control point of former igniting switch is moved to electromagnetic valve, high-tension coil, transistor ignitor etc. locate, or electrical equipment of these control oil, electric installation open circuit point " are shut " in housing together.For example Chinese patent ZL922019126 number described " anti-theft device for motor vehicles ".But this open circuit point still exists.For the car thief who is familiar with the alarms and security systems for automobiles circuit, it is easy to do removing electromagnetic valve high-tension coil or transistor ignitor.Even there has been anti-joyride device to be provided with " trap " circuit, after in a single day anti-joyride device is removed, can make a certain circuit open circuit or short circuit confuse the car thief, but after product emerged, technology was disclosed, the car thief still can get rid of these " trap " circuit easily.
The purpose of this utility model provides a kind ofly can have the coder of identical password could start engine and the automotive anti-joyride device of the cabin lid that turns on the power with separable with the Cang Gai of engine with electric control lockset under lock and key.
The purpose of this utility model realizes as follows: coder 1, password receptor 2, decoder 4 are linked to each other successively, and decoder then links to each other with electric control lockset 6 with oil-break power break device 5.
The lid of engine cabin 3 is by the electric control lockset keyed.
The utility model makes present car thief general-duty change parts, short circuit circuit, remove robbers cars such as anti-joyride device operates all at first and need just can carry out under the prerequisite of the Cang Gai of the machine of turning on the power, and the Cang Gai of engine is tightly locked by the electric control lockset of decoder control, and the startup of engine is handled by the oil-break power break device of decoder control again, there is not identical coder, engine can't start, power cabin lid also can't be opened, even if it is also at one's wit's end that the car thief is familiar with the circuit of alarms and security systems for automobiles, automotive can not be started and drive away.
Fig. 1 is a block diagram of the present utility model.
Fig. 2 is an electrical schematic diagram of the present utility model.
Fig. 3 is that the utility model is installed and used the state schematic perspective view.
Fig. 4 is that the utility model is installed and used the state plane scheme drawing.
The utility model principle of work as shown in Figure 1, when separable coder 1 forms such as (adopt outside wireless, the line) ultrasonic, grafting is sent password into password receptor 2, password receptor 2 with password in cockpit imports engine cabin 3 (heavy line square frame Fig. 1) into, be arranged on decoder 4 in the cabin and convert electric power to after with the cryptogram decoding that coincide, it is closed or open electric control lockset 6 and reach engine bin lid 7 and need to open or locked purpose (see figure 3) to remove to drive oil-break, breaker device 5.
The utility model circuit theory as shown in Figure 2, when coder 1 docks with password receptor 2, the battery tension of engine adds to the input end of DC voltage-stabilizing IC7805 by ignition lock 8 at this moment, the 5V power supply of its output is added to 18 pin of decoding IC1, be added to 18 pin of coding ICI simultaneously by 7 pin of password receptor 2, so coding ICI work.The pulse cipher of its output is deciphered 14 pin of IC2 by the 17 pin output of ICI through the 8 pin input of receptor 2.If password coincide, 17 pin of decoding IC2 will be exported high level, thereby trigger controllable silicon SCR I, that the SCR2 conducting gets oil-break, breaker device K1 and electric control lockset K2 is electric, thereby have controlled the startup of power and the unlatching of electric control lockset.Start engine like this, the storehouse lid 7 of the machine that turns on the power all is subjected to coder holder's control, makes the auto theft behavior obtain the actv. containment.
Claims (3)
1, a kind of automotive anti-joyride device is characterized in that it is that coder (1), password receptor (2), decoder (4) are linked to each other successively, and decoder then links to each other with electric control lockset (6) with oil-break power break device (5).
2, automotive anti-joyride device according to claim 1 is characterized in that: the lid of engine cabin (3) is by the electric control lockset keyed.
3, automotive anti-joyride device according to claim 1 is characterized in that: decoder (4), oil-break power break device (5), electric control lockset (6) all is installed in the engine cabin.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN97220012U CN2318090Y (en) | 1997-06-25 | 1997-06-25 | Anti-theft device for motor means of transportation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN97220012U CN2318090Y (en) | 1997-06-25 | 1997-06-25 | Anti-theft device for motor means of transportation |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2318090Y true CN2318090Y (en) | 1999-05-12 |
Family
ID=33935819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN97220012U Expired - Fee Related CN2318090Y (en) | 1997-06-25 | 1997-06-25 | Anti-theft device for motor means of transportation |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2318090Y (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102991460A (en) * | 2012-11-29 | 2013-03-27 | 浙江吉利汽车研究院有限公司杭州分公司 | Anti-theft system of automobile door |
-
1997
- 1997-06-25 CN CN97220012U patent/CN2318090Y/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102991460A (en) * | 2012-11-29 | 2013-03-27 | 浙江吉利汽车研究院有限公司杭州分公司 | Anti-theft system of automobile door |
CN102991460B (en) * | 2012-11-29 | 2015-09-30 | 浙江吉利汽车研究院有限公司杭州分公司 | A kind of anti-theft system of automobile door |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |