CN105150997A - Vehicle engine electronic antitheft system and antitheft method thereof - Google Patents
Vehicle engine electronic antitheft system and antitheft method thereof Download PDFInfo
- Publication number
- CN105150997A CN105150997A CN201510622835.5A CN201510622835A CN105150997A CN 105150997 A CN105150997 A CN 105150997A CN 201510622835 A CN201510622835 A CN 201510622835A CN 105150997 A CN105150997 A CN 105150997A
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- Prior art keywords
- key
- control unit
- theft
- conv
- antitheft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
- B60R25/04—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the propulsion system, e.g. engine or drive motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
- B60R25/104—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device characterised by the type of theft warning signal, e.g. visual or audible signals with special characteristics
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses a vehicle engine electronic antitheft system and an antitheft method thereof. A key converter is arranged in a vehicle key; a reader coil is mounted on a vehicle ignition key cylinder, and is connected with an antitheft control unit; an antitheft indicator light is connected with the antitheft control unit; the antitheft control unit is connected with a vehicle engine control unit; the key converter and the antitheft control unit mutually transfer signals and energy; the reader coil transfers signals and energy between the antitheft control unit and the key converter; and the antitheft control unit operates, communicates, controls and drives. The system has the following advantages: 1) enciphered data is transmitted through wires; and signals are in wireless transmission; 2) the system only can be cracked by disassembling all engine control units and then recovering; 3) the engine control units only can work by passing through the verification; the antitheft control unit can send signals to the engine control units; and the engine control units can work to crack the system; and 4) the system is safe and reliable, and cannot be cracked and disassembled by mounting persons under the condition of no keys.
Description
Technical field
What the present invention relates to is car engine electronic anti-theft system and theft preventing method thereof, belongs to automotive theft proof system technical field.
Background technology
Automobile burglar is most popular is generally mechanical type anti-theft and electronic anti-theft.
The cardinal principle of mechanical type anti-theft pins a certain machinery on automobile, makes it can not play its due effect, and as change-speed box gear leve lock, handle lock, brake pedal lock etc., price is not from dozens of yuan to hundreds of unit etc.Mechanical type anti-theft can extend the theft time, but cannot give the alarm, and cracks means numerous.
Electronic anti-theft mainly utilizes wireless signal and chip password to carry out network type electron or start to reach antitheft object, has antitheft and sound alarm function simultaneously.This is that existing market adopts maximum antitheft modes.Such as various remote controller and chip key etc.But there are some shortcomings although easy to operate: 1) signal of remote controller easily disturbed, tackle and crack; 2) easily report by mistake, disturb residents; 3) authority using function is not possessed.Stealing car process is generally first copy former car remote controller with remote controller blocker, and open car door, use decoders decode into the car, then ignition trigger just can have been stolen car, and whole process may less than 1 minute.
Summary of the invention
What the present invention proposed is car engine electronic anti-theft system and theft preventing method thereof, its object is intended to overcome prior art above shortcomings, uses wired encryption data transmission, there is not wireless signal, the crack tool for wireless signal cannot be used to steal automobile, safe and reliable.
Technology technical solution of the present invention: car engine electronic anti-theft system, its structure comprises key conv, recognition coil, anti-theft control unit and antitheft indicator lamp, wherein key conv is arranged in automobile key, recognition coil is arranged on automotive ignition lock core, recognition coil is connected with anti-theft control unit by wire, antitheft indicator lamp is connected with anti-theft control unit by wire, and anti-theft control unit is connected with automotive engine control unit by wire; Have electronic data information in described key conv, for the mutual transmission of signal of anti-theft control unit and energy; Described recognition coil is for transmitting signal between anti-theft control unit and key conv and energy; Described anti-theft control unit is used for 1) computing: realize encryption, decipherment algorithm, carry out Data Comparison, 2) communication: carry out two-way data communication with key conv, to complete the encrypting and authenticating to key, 3) control: the task scheduling completing whole system, control and management communication at different levels, 4) drive: drive recognition coil to export electromagnetic signal, energy needed for the work of key conv is provided, drives antitheft indicator lamp work; Described antitheft indicator lamp be used for key authentication not by time keep normal and dodge, key authentication by time extinguish.
Preferably, described anti-theft control unit comprises microprocessor and several semiconductor components and devices.
Preferably, described antitheft indicator lamp, when ignition lock is opened to ON gear, if key authentication is passed through, then extinguishes; If key authentication is not passed through, then keep normal sudden strain of a muscle, keep the frequency scintillation lighting 1 time for 2 seconds: when vehicle be in nobody lock a door state time, anti-theft system is in sleep pattern, and the frequency that maintenance lights 1 time for 5 seconds is glimmered by antitheft indicator lamp.
The theft preventing method of car engine electronic anti-theft system, car engine electronic anti-theft system needs the encrypting and authenticating through the key of band key conv, anti-theft control unit and control unit of engine tripartite, can fire an engine; When automobile key inserts igniting lock core when being rotated to " ON " position, carrying out communication by distinguishing coil between the key conv in anti-theft control unit and automobile key, carrying out key certification; If it is legal that automobile key is identified, then anti-theft control unit will carry out communicating with code telegram with control unit of engine and verify, if illegal, then and antitheft indicator lamp flicker; If communicated with code telegram, checking is correct, will allow engine starting, if checking mal, then driving engine cannot start.
Advantage of the present invention: 1) native system is all wired encryption data transmission, there is not wireless signal, the crack tool for wireless signal has not found a place where one uses one's talents for native system; 2) want to crack native system can only remove by physics, removing separately a certain bar circuit cannot crack, and must find and all removal of engine control unit recovers again, just can steal vehicle; Control unit of engine is arranged in engine nacelle, and hood lock is automatically controlled, and to open car door not illegal into the car for empirical tests, pulls the switch of hood lock cannot open engine hatchcover by force, then cannot removal of engine control unit; 3) will make control unit of engine work, only have through checking, anti-theft control unit just can send signal to control unit of engine, and control unit of engine is meeting work release native system; 4) native system is safe and reliable, and installation personnel, when not having key, also cannot crack, remove.
Accompanying drawing explanation
Fig. 1 is the system chart of car engine electronic anti-theft system.
The schematic flow sheet of Fig. 2 position car engine electronic anti-theft system.
Detailed description of the invention
Below in conjunction with embodiment and detailed description of the invention, the present invention is further detailed explanation.
As shown in the figure, car engine electronic anti-theft system, its structure comprises key conv, recognition coil, anti-theft control unit and antitheft indicator lamp, wherein key conv is arranged in automobile key, recognition coil is arranged on the igniting lock core of automobile, recognition coil is connected with anti-theft control unit by wire, and antitheft indicator lamp is connected with anti-theft control unit by wire, and anti-theft control unit is connected with automotive engine control unit (ECU) by wire.
Respectively each assembly is described in detail below:
Have electronic data information in described key conv, for the mutual transmission of signal of anti-theft control unit and energy;
Described key conv comprises compute chip and magnet coil, and magnet coil, during system works, completes the signal between anti-theft control unit and compute chip and energy transferring together with recognition coil; Key conv has propagation function and function of supplying power, ignition lock is inserted at automobile key, after ignition lock is connected, anti-theft control unit drives recognition coil to set up electromagnetic field around key conv, by the excitation of this electromagnetic field, magnet coil in key conv provides the electric energy needed for compute chip work, and between compute chip and anti-theft control unit, transmit various electronic data information.In this way, do not need in key to place the power supply be in particular required for the work of key conv.
Described recognition coil, for transmitting signal between anti-theft control unit and key conv and energy, is the load as anti-theft control unit.
Described anti-theft control unit is used for 1) computing: realize encryption, decipherment algorithm, carry out Data Comparison, 2) communication: carry out two-way data communication with key conv, to complete the encrypting and authenticating to key, 3) control: the task scheduling completing whole system, control and management communication at different levels, 4) drive: drive recognition coil to export electromagnetic signal, energy needed for the work of key conv is provided, drives antitheft indicator lamp work;
Described anti-theft control unit is the core component of whole anti-theft system, comprises microprocessor and several semiconductor components and devices.
Described antitheft indicator lamp be used for key authentication not by time keep normal and dodge, key authentication by time extinguish.Ignition lock is opened to ON gear, if key authentication is passed through, antitheft indicator lamp extinguishes; If key authentication is not passed through, then antitheft indicator lamp keeps normal and dodges, and keeps the frequency scintillation lighting 1 time for 2 seconds: when vehicle be in nobody lock a door state time, anti-theft system is in sleep pattern, and the frequency that maintenance lights 1 time for 5 seconds is glimmered by antitheft indicator lamp.
By above-mentioned design, during use, car engine electronic anti-theft system needs the encrypting and authenticating through key (band key conv), anti-theft control unit and control unit of engine tripartite, can fire an engine.When automobile key is inserted igniting lock core when being rotated to " ON " position by steerman, carrying out communication by distinguishing coil between the key conv in anti-theft control unit and automobile key, carrying out key certification; If it is legal that automobile key is identified, then anti-theft control unit will carry out communicating with code telegram with control unit of engine and verify, if illegal, then and antitheft indicator lamp flicker; If communicated with code telegram, checking is correct, will allow engine starting, if checking mal, then driving engine cannot start.
The antitheft principle of native system: control unit of engine (ECU) controls the equipment such as automobile computer, door lock, driving engine, oily circuit, former car anti-theft system, automatically controlled hood lock, electric control gear box lock, automatically controlled directional lock, automatically controlled back-up case lock.Because automotive lock is all wired encryption data transmission, there is not wireless signal, so those crack tools for wireless signal have not just found a place where one uses one's talents for automotive lock.Want to crack and just can only remove, remove separately a certain bar circuit be do not have effective, Systematical control be full car, so just must control unit of engine be found, and then all remove and then recover, just likely driving away their vehicles.And control unit of engine is arranged in engine nacelle, and hood lock is automatically controlled, if not through verifying the car door opened, illegally into the car, pulls the switch of hood lock to be also useless by force.Engine of not opening hatchcover, just can not removal of engine control unit.If allow control unit of engine work, just only have through checking, anti-theft control unit just can send signal and be given to control unit of engine, and at this moment control unit of engine just can work, and the anti-theft system of vehicle just can be removed.Even this anti-theft system installation personnel is not when having key, do not crack yet, not removing.
When cannot fire an engine time, key is turned round to " ACC " position, and then is turned round to " ON " position, now check:
1. whether automobile key is legal key;
2. whether antitheft indicator lamp glimmers with the frequency lighting 1 time for 2 seconds, checks whether engine maintenance indicator lamp glimmers with certain frequency simultaneously.If there is above phenomenon, be then likely that electronic burglary protection system of engine breaks down;
3. whether the key conv in key stands intact;
4. whether high-tension coil stands intact.
The fault main manifestations of car engine electronic anti-theft system is: antitheft certifications at different levels are not passed through, and causes driving engine to start.Antitheft certifications at different levels are not by mainly comprising: the authentification failure between key (band key conv) and anti-theft control unit; Authentification failure between anti-theft control unit and control unit of engine.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, and without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (5)
1. car engine electronic anti-theft system, its feature comprises key conv, recognition coil, anti-theft control unit and antitheft indicator lamp, wherein key conv is arranged in automobile key, recognition coil is arranged on automotive ignition lock core, recognition coil is connected with anti-theft control unit by wire, antitheft indicator lamp is connected with anti-theft control unit by wire, and anti-theft control unit is connected with automotive engine control unit by wire; Have electronic data information in described key conv, for the mutual transmission of signal of anti-theft control unit and energy; Described recognition coil is for transmitting signal between anti-theft control unit and key conv and energy; Described anti-theft control unit is used for 1) computing: realize encryption, decipherment algorithm, carry out Data Comparison, 2) communication: carry out two-way data communication with key conv, to complete the encrypting and authenticating to key, 3) control: the task scheduling completing whole system, control and management communication at different levels, 4) drive: drive recognition coil to export electromagnetic signal, energy needed for the work of key conv is provided, drives antitheft indicator lamp work; Described antitheft indicator lamp be used for key authentication not by time keep normal and dodge, key authentication by time extinguish.
2. car engine electronic anti-theft system as claimed in claim 1, it is characterized in that described key conv comprises compute chip and magnet coil, magnet coil, during system works, completes the signal between anti-theft control unit and compute chip and energy transferring together with recognition coil; Key conv has propagation function and function of supplying power, ignition lock is inserted at automobile key, after ignition lock is connected, anti-theft control unit drives recognition coil to set up electromagnetic field around key conv, by the excitation of this electromagnetic field, magnet coil in key conv provides the electric energy needed for compute chip work, and between compute chip and anti-theft control unit, transmit various electronic data information, does not place the additional power supply for the work of key conv in automobile key.
3. car engine electronic anti-theft system as claimed in claim 1, is characterized in that described anti-theft control unit comprises microprocessor and several semiconductor components and devices.
4. car engine electronic anti-theft system as claimed in claim 1, is characterized in that described antitheft indicator lamp is when ignition lock is opened to ON gear, if key authentication is passed through, then extinguishes; If key authentication is not passed through, then keep normal sudden strain of a muscle, keep the frequency scintillation lighting 1 time for 2 seconds: when vehicle be in nobody lock a door state time, anti-theft system is in sleep pattern, and the frequency that maintenance lights 1 time for 5 seconds is glimmered by antitheft indicator lamp.
5. a theft preventing method for car engine electronic anti-theft system, is characterized in that the encrypting and authenticating of car engine electronic anti-theft system needs through the key of band key conv, anti-theft control unit and control unit of engine tripartite, can fire an engine; When automobile key inserts igniting lock core when being rotated to " ON " position, carrying out communication by distinguishing coil between the key conv in anti-theft control unit and automobile key, carrying out key certification; If it is legal that automobile key is identified, then anti-theft control unit will carry out communicating with code telegram with control unit of engine and verify, if illegal, then and antitheft indicator lamp flicker; If communicated with code telegram, checking is correct, will allow engine starting, if checking mal, then driving engine cannot start.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510622835.5A CN105150997A (en) | 2015-09-25 | 2015-09-25 | Vehicle engine electronic antitheft system and antitheft method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510622835.5A CN105150997A (en) | 2015-09-25 | 2015-09-25 | Vehicle engine electronic antitheft system and antitheft method thereof |
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| CN105150997A true CN105150997A (en) | 2015-12-16 |
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| CN201510622835.5A Pending CN105150997A (en) | 2015-09-25 | 2015-09-25 | Vehicle engine electronic antitheft system and antitheft method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107284406A (en) * | 2017-06-19 | 2017-10-24 | 江西昌河汽车有限责任公司 | Automobile anti-theft method and device |
| CN108357462A (en) * | 2018-02-09 | 2018-08-03 | 北京车和家信息技术有限公司 | The method and vehicle of vehicle unlock |
| CN108482304A (en) * | 2018-03-29 | 2018-09-04 | 东风柳州汽车有限公司 | Alarms and security systems for automobiles and its control method |
| CN108995625A (en) * | 2018-07-27 | 2018-12-14 | 合肥市智信汽车科技有限公司 | A kind of car engine electronic burglary-resisting system |
| CN109154824A (en) * | 2016-04-04 | 2019-01-04 | 凯斯纽荷兰工业美国有限责任公司 | Situation indicator for autonomous agri-vehicle |
| CN109159838A (en) * | 2018-08-05 | 2019-01-08 | 温州职业技术学院 | A kind of vehicle anti-theft Integral electronic anti-theft device |
| CN110740186A (en) * | 2019-10-25 | 2020-01-31 | 北京首汽智行科技有限公司 | automobile key anti-dismounting device and system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07293074A (en) * | 1994-04-28 | 1995-11-07 | Aisin Seiki Co Ltd | Remote key device for car |
| CN2216017Y (en) * | 1994-05-25 | 1995-12-27 | 罗勇 | Electronic cipher theftproof lock switch for motor-vehicle |
| CN1188524A (en) * | 1996-02-15 | 1998-07-22 | 丰田自动车株式会社 | Locking system for vehicle |
| CN201060506Y (en) * | 2007-06-01 | 2008-05-14 | 重庆集诚汽车电子有限责任公司 | Automobile engine latching electronic anti-theft system |
| CN201134124Y (en) * | 2007-11-05 | 2008-10-15 | 上海海马汽车研发有限公司 | Anti-theft and remote controlled integrated controller |
| CN104029652A (en) * | 2014-06-25 | 2014-09-10 | 奇瑞汽车股份有限公司 | CAN (controller area network)-bus automobile-engine IMMO (immobilizer) system and authentication method thereof |
-
2015
- 2015-09-25 CN CN201510622835.5A patent/CN105150997A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07293074A (en) * | 1994-04-28 | 1995-11-07 | Aisin Seiki Co Ltd | Remote key device for car |
| CN2216017Y (en) * | 1994-05-25 | 1995-12-27 | 罗勇 | Electronic cipher theftproof lock switch for motor-vehicle |
| CN1188524A (en) * | 1996-02-15 | 1998-07-22 | 丰田自动车株式会社 | Locking system for vehicle |
| CN201060506Y (en) * | 2007-06-01 | 2008-05-14 | 重庆集诚汽车电子有限责任公司 | Automobile engine latching electronic anti-theft system |
| CN201134124Y (en) * | 2007-11-05 | 2008-10-15 | 上海海马汽车研发有限公司 | Anti-theft and remote controlled integrated controller |
| CN104029652A (en) * | 2014-06-25 | 2014-09-10 | 奇瑞汽车股份有限公司 | CAN (controller area network)-bus automobile-engine IMMO (immobilizer) system and authentication method thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109154824A (en) * | 2016-04-04 | 2019-01-04 | 凯斯纽荷兰工业美国有限责任公司 | Situation indicator for autonomous agri-vehicle |
| CN107284406A (en) * | 2017-06-19 | 2017-10-24 | 江西昌河汽车有限责任公司 | Automobile anti-theft method and device |
| CN108357462A (en) * | 2018-02-09 | 2018-08-03 | 北京车和家信息技术有限公司 | The method and vehicle of vehicle unlock |
| CN108482304A (en) * | 2018-03-29 | 2018-09-04 | 东风柳州汽车有限公司 | Alarms and security systems for automobiles and its control method |
| CN108995625A (en) * | 2018-07-27 | 2018-12-14 | 合肥市智信汽车科技有限公司 | A kind of car engine electronic burglary-resisting system |
| CN109159838A (en) * | 2018-08-05 | 2019-01-08 | 温州职业技术学院 | A kind of vehicle anti-theft Integral electronic anti-theft device |
| CN109159838B (en) * | 2018-08-05 | 2020-07-31 | 温州职业技术学院 | Vehicle anti-theft integrated electronic anti-theft device |
| CN110740186A (en) * | 2019-10-25 | 2020-01-31 | 北京首汽智行科技有限公司 | automobile key anti-dismounting device and system |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 215216 Suzhou Tian Hao Auto Parts Co., Ltd. 181, Tun Cun East Road, Tongli Town, Wujiang, Suzhou, Jiangsu Applicant after: Suzhou Tian Hao automobile Polytron Technologies Inc Address before: 215216 Suzhou Tian Hao Auto Parts Co., Ltd. 181, Tun Cun East Road, Tongli Town, Wujiang, Suzhou, Jiangsu Applicant before: Suzhou Tianhao Auto Vehicle Components Co., Ltd. |
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| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151216 |
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| RJ01 | Rejection of invention patent application after publication |