CN103552542A - CAN (controller area network)-bus-based intelligent locking system - Google Patents
CAN (controller area network)-bus-based intelligent locking system Download PDFInfo
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- CN103552542A CN103552542A CN201310542280.4A CN201310542280A CN103552542A CN 103552542 A CN103552542 A CN 103552542A CN 201310542280 A CN201310542280 A CN 201310542280A CN 103552542 A CN103552542 A CN 103552542A
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Abstract
The invention relates to an intelligent locking system, in particular to a CAN (controller area network)-bus-based intelligent locking system, which comprises an intelligent locking ECU (electronic control unit), an intelligent key, an intelligent locking signal receiver and a CAN bus, wherein the intelligent locking ECU is connected with the intelligent locking signal receiver, and is connected with an intelligent switch and an automobile EMS (engine management system) through the CAN bus; if the intelligent locking signal receiver cannot sense the intelligent key after an owner leaves a vehicle for more than 2 meters, the intelligent locking ECU can control the automobile EMS to lock an engine, and controls the intelligent switch to lock vehicle doors through the CAN bus. The CAN-bus-based intelligent locking system has the beneficial effects that the engine can be automatically stopped, and the doors can be automatically locked after the owner leaves the vehicle for a distance beyond a set range, so that the system has antitheft and anti-snatching functions, and key-free control over the flameout of the automobile engine and remote control over the locking of the vehicle doors can be realized.
Description
Technical field
The present invention relates to a kind of latch system of automobile, especially a kind of intelligent latch system based on CAN bus.
Background technology
Automobile is as a kind of vehicle, along with the raising of people's Living Water product, and the cost of Automobile manufacturing, increasing people can use automobile as the vehicle, so the ratio that automobile occupies is very high.Although automobile comparatively speaking price has reduced, but remain the apparatus with high value, be to plunder and theft gang crime target.In order to prevent plundering and stolen car, in car production industry, arrange and produced various Car Burglar Alarms, the most common is exactly door remote control Car Burglar Alarm, and this is the most original anti-joyride device, but simple in structure, and wiring is complicated, data are disperseed transmission; Also have some latch systems to open control car engine by central process unit, utilize remote control to control the ignition engine of automobile, but transmitting and receiving easily of signal is affected, and has in the use some errors, and complex structure.Therefore intelligence not enough on, aspect antitheft, anti-snatch.
Summary of the invention
For solving upper the problems referred to above, object of the present invention is intended to provide a kind of intelligent latch system based on CAN bus, and it has automatic locking, intelligence is opened the door, locked a door, and can play antitheft, anti-snatch function.
For achieving the above object, the technical solution used in the present invention is:
A kind of intelligent latch system based on CAN bus; Comprising intelligent locking ECU, Intelligent key, smart lock stop signal receptor and CAN bus; It is characterized in that: described intelligent locking ECU is connected with smart lock stop signal receptor, described intelligent locking ECU is connected with intelligent switch, automobile EMS by CAN bus.
Preferably, described smart lock stop signal receptor comprises sensor and signaling conversion circuit.
Preferably, described Intelligent key comprises user's ID card, wireless signal transmitter and electronic power supply.
Preferably, described intelligent switch is one and replys switch.
Preferably, described sensor is a kind of wireless electromagnetic induction sensor, and the electromagnetic wave that can identify on user's ID card converts data again to.
Preferably, described signaling conversion circuit is an A/D change-over circuit, converts the signal receiving to data.
Preferably, the induction range of the sensor in described smart lock stop signal receptor is two meters.
Preferably, described user's ID card is a kind of card with magnetic field energy emitting electromagnetic wave.
Preferably, described wireless signal transmitter is a high-frequency signal projector.
Preferably, described electronic power supply is an electronic power supply that can charge.
Adopt after above-mentioned technical scheme, the beneficial effect that the present invention has is:
By user's ID card, do user's intelligence and distinguish thing, adopt wireless electromagnetic induction sensor to collect signal, can alleviate signal and disturb; Adopt CAN bus to carry out transmission of data signals simultaneously, having saved a lot of solid lines arranges, by the whole transmission of the signal of collecting, automatic locking car engine, closed door have been realized, can prevent that automobile cup from stealing or standby pressure snatched away by actv., can realize without key control car engine is flame-out and locking a door with remote control.
Accompanying drawing explanation
Fig. 1 is integral structure of the present invention module side figure.
Fig. 2 is intelligent key structure schematic diagram of the present invention.
Fig. 3 is smart lock stop signal receiver architecture schematic diagram of the present invention.
In figure: 1 Intelligent key, 2 smart lock stop signal receptors, 3 intelligent locking ECU, 4CAN bus, 5 intelligent switchs, 6 automobile EMS.
The specific embodiment
From Fig. 1 to 3, the present invention is a kind of intelligent latch system based on CAN bus; Comprising intelligent locking ECU3, Intelligent key 1, smart lock stop signal receptor 2 and CAN bus 4; Described intelligent locking ECU3 is connected with smart lock stop signal receptor 2, and described intelligent locking ECU3 is connected with intelligent switch 5, automobile EMS6 by CAN bus 4.
Above-mentioned smart lock stop signal receptor 2 comprises sensor 21 and signaling conversion circuit 22.
Above-mentioned Intelligent key comprises user's ID card 12, wireless signal transmitter 13 and electronic power supply 14.
Above-mentioned intelligent switch 5 is one and replys switch.
Above-mentioned sensor 21 is a kind of wireless electromagnetic induction sensors, and the scope of its induction is two meters, and the electromagnetic wave that can identify on user's ID card 12 converts data again to.
Above-mentioned signaling conversion circuit 22 is A/D change-over circuits, converts the signal receiving to data.
Above-mentioned user's ID card 12 is a kind of cards with magnetic field energy emitting electromagnetic wave.
Above-mentioned wireless signal transmitter 13 is high-frequency signal projectors.
Above-mentioned electronic power supply 14 is the electronic power supplies that can charge.
The implementation process of the technical program is: when user gets off, think attractable point thing or when chat, but do not want to turn off engine, but after distance, will allow burglar have an opportunity to take advantage of forgetting; So the present invention is exactly from the distance of car at Intelligent key in the scope apart from two meters, car car owner, can be sensed by smart lock stop signal receptor 2, car engine keeps starting, when surpassing that scope of two meters, 2 inductions of smart lock stop signal receptor are less than Intelligent key 1, the data of collecting are transferred to intelligent locking ECU3 by CAN bus 4, and control automobile EMS6 by automobile locking by intelligent locking ECU3, close engine and car door.
Above embodiment is only that the preferred embodiment of the present invention is described; not scope of the present invention is limited; design under the prerequisite of spirit not departing from the present invention; various distortion and improvement that the common engineering staff in this area make technical scheme of the present invention, all should fall in the definite protection domain of claims of the present invention.
Claims (10)
1. the intelligent latch system based on CAN bus; Comprising intelligent locking ECU, Intelligent key, smart lock stop signal receptor and CAN bus; It is characterized in that: described intelligent locking ECU is connected with smart lock stop signal receptor, described intelligent locking ECU is connected with intelligent switch, automobile EMS by CAN bus.
2. a kind of intelligent latch system based on CAN bus according to claim 1, is characterized in that: described smart lock stop signal receptor comprises sensor and signaling conversion circuit.
3. a kind of intelligent latch system based on CAN bus according to claim 1, is characterized in that: described Intelligent key comprises user's ID card, wireless signal transmitter and electronic power supply.
4. a kind of intelligent latch system based on CAN bus according to claim 1, is characterized in that: described intelligent switch is one and replys switch.
5. a kind of intelligent latch system based on CAN bus according to claim 2, is characterized in that: described sensor is a kind of wireless electromagnetic induction sensor, and the electromagnetic wave that can identify on user's ID card converts data again to.
6. a kind of intelligent latch system based on CAN bus according to claim 2, is characterized in that: described signaling conversion circuit is an A/D change-over circuit, converts the signal receiving to data.
7. a kind of intelligent latch system based on CAN bus according to claim 1, is characterized in that: the induction range of the sensor in described smart lock stop signal receptor is two meters.
8. a kind of intelligent latch system based on CAN bus according to claim 3, is characterized in that: described user's ID card is a kind of card with magnetic field energy emitting electromagnetic wave.
9. a kind of intelligent latch system based on CAN bus according to claim 3, is characterized in that: described wireless signal transmitter is a high-frequency signal projector.
10. a kind of intelligent latch system based on CAN bus according to claim 3, is characterized in that: described electronic power supply is an electronic power supply that can charge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310542280.4A CN103552542A (en) | 2013-11-06 | 2013-11-06 | CAN (controller area network)-bus-based intelligent locking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310542280.4A CN103552542A (en) | 2013-11-06 | 2013-11-06 | CAN (controller area network)-bus-based intelligent locking system |
Publications (1)
| Publication Number | Publication Date |
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| CN103552542A true CN103552542A (en) | 2014-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310542280.4A Pending CN103552542A (en) | 2013-11-06 | 2013-11-06 | CAN (controller area network)-bus-based intelligent locking system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105059245A (en) * | 2015-08-05 | 2015-11-18 | 合肥格易集成电路有限公司 | Vehicle control method and device |
| CN106274796A (en) * | 2016-08-08 | 2017-01-04 | 清华大学 | A kind of automobile no-key control system |
| WO2018028146A1 (en) * | 2016-08-08 | 2018-02-15 | 深圳市元征科技股份有限公司 | Vehicular door/window auto-locking system |
| CN113085780A (en) * | 2021-04-20 | 2021-07-09 | 北京汽车集团越野车有限公司 | Anti-theft control method and device |
-
2013
- 2013-11-06 CN CN201310542280.4A patent/CN103552542A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105059245A (en) * | 2015-08-05 | 2015-11-18 | 合肥格易集成电路有限公司 | Vehicle control method and device |
| CN106274796A (en) * | 2016-08-08 | 2017-01-04 | 清华大学 | A kind of automobile no-key control system |
| WO2018028146A1 (en) * | 2016-08-08 | 2018-02-15 | 深圳市元征科技股份有限公司 | Vehicular door/window auto-locking system |
| CN113085780A (en) * | 2021-04-20 | 2021-07-09 | 北京汽车集团越野车有限公司 | Anti-theft control method and device |
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Application publication date: 20140205 |