CN102627069A - Vehicle one-key-to-start system - Google Patents
Vehicle one-key-to-start system Download PDFInfo
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- CN102627069A CN102627069A CN2012101059605A CN201210105960A CN102627069A CN 102627069 A CN102627069 A CN 102627069A CN 2012101059605 A CN2012101059605 A CN 2012101059605A CN 201210105960 A CN201210105960 A CN 201210105960A CN 102627069 A CN102627069 A CN 102627069A
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Abstract
The invention discloses a vehicle one-key-to-start system which comprises four low-frequency antennas, a central controller and a smart key, wherein the four low-frequency antennas are respectively arranged at handles of left and right vehicle doors, in the center of vehicle roof and on a trunk; the central controller is arranged below a center console, and the four low-frequency antennas are respectively connected with the central controller; and the smart key adopts a three-axis induction antenna and an international leading chip with KEELOQ encryption function, so that the smart key is secure and reliable and can not be decrypted. Through strict positioning algorithms of solid geometry and spatial vector geometry, the positioning accuracy is 5 cm, authentication information is informed to vehicle ECU (Electronic Control Unit) through encrypted signals by using a CAN (Controller Area Network) bus to communicate, so that the ECU can control whether to operate an oil pump, a starter power source and the like in real time. Once authentication fails, all equipment related to engine start are immediately cut off, so that the engine can not be started even a theft forcibly makes contact by using several lines.
Description
Technical field
The invention belongs to automobile mechanical & electrical technology field, relate to a kind of automobile and use start-up system, be specifically related to a kind of automobile with a key start-up system.
Background technology
Along with the development of automotive electronic technology, people require increasingly highly to the traveling comfort of automobile and convenience, and traditional vehicle startup system is transformed, and an intelligence key start-up system easily becomes and needs and trend.
Automobile intelligent one key starts keyless access system and is divided into a keyless access system and a key start-up system; Keyless access system: the state-of-the-art RFID of employing (unlimited RF identification) technology; Through the Intelligent key that the car owner carries, walk close to vehicle and will also remove antitheft by auto-unlocking for 1.5 meters-2 meters; When leaving vehicle, Door Lock can also get into antitheft on the automatic lock.As long as you carry Intelligent key need not to take out just can easily open car door with the startup automobile.The RFID RF identification is a kind of contactless automatic identification technology, and it is through the automatic recognition objective object of radiofrequency signal and obtain related data, and identification work need not manual intervention, can work in various harsies environment.After label gets into magnetic field, receive the radiofrequency signal that plug-in reader sends, rely on the energy that inducing current obtained to send out the product information that is stored in the chip, perhaps initiatively send the signal of a certain frequency; After plug-in reader reads information and decoding, deliver to CIS and carry out the relevant data processing.
One key start-up system (start stop engine system): with the handle lock function of former car cancel or with the key plug in key hole; Let the automobile steering wheel lock function be in normally open; Be free to the bearing circle of Control of Automobile like this; The function that replaces the gears such as OFF, ACC, ON, START of Control of Automobile then with button reaches the function of a key starting ignition, and two kinds of realization means are arranged usually.
Method one, the location pillar of the handle lock in the mechanical lock gall in the key hole of former car is pulled down; Take out spring, lock pin just can not eject like this, and bearing circle just can freely loose; The key of former like this car can start driving, can start driving with the button of new clothes
Method two, join the new key piece of a slice, cut off preceding half section and be retained in the key hole, open direction lock (just not handle lock function), the key of former like this car is just inserted not to advance, and can start with button.
A present key start-up system is used for the above vehicle of B level car mostly, can accomplish that the people is being with key in car, by next key start button, and can opening automobile power supply and startup automotive engine.
Cardinal principle is to lean on to be installed on 2 low-frequency antennas transmissions of car door in-to-in key detection signal in the car; Key detects the back and replys an acknowledgment signal; After car is received acknowledgment signal, think key in car, and continue the authentication car key at regular intervals; After confirming the former car of car key, can opening automobile power supply and startup automotive engine.
An existing key start-up system also exists a lot of deficiencies: prior art has fugitiveness on key is judged, misoperation sometimes promptly also can start the engine when no key is in car, even key is perhaps arranged in car, and also can't start the engine; The key position information error that prior art calculates is bigger, and error reaches more than 30 centimetres; Prior art safe antitheft property is not strong, and software vulnerability is arranged, and the robber can decode out and drive away automobile.Having instability is because the position that low-frequency antenna is installed is bad, is installed in the car door, because car door is a steel structure, can shield the low frequency wireless signal, makes key receive jitter; Antenna and the wireless communication chips used are bad; Design of System Software is bad; The communicating wireless signals AES is rigorous inadequately, can decode; Security certification system and communicating by letter of automobile ECU are not sufficiently complete, and make the robber to dismantle security certification system and utilize and make contact to come the force start driving engine.
Summary of the invention
In order to overcome the deficiency of existing automobile, the invention provides an a kind of key start-up system of safety and reliability with a key start-up system.
In order to solve the problems of the technologies described above, the present invention has adopted following technical proposals:
Automobile of the present invention comprises 4 low-frequency antennas, central controller and Intelligent key with a key start-up system; 4 low-frequency antennas are placed in respectively on grip handle place, roof central authorities and the boot of left and right sides car door; Central controller is positioned over below the console, and 4 low-frequency antennas link to each other respectively with central controller.
Intelligent key of the present invention uses 3 induction antennas and adopts the chip with KEELOQ encryption function leading in the world.
Intelligent key uses 3 induction antennas, can well detect the low frequency signal that car body sends, and utilizes 4 low-frequency antennas to detect key; In case detect key; Then accurately calculate the position of key through the distance of 4 low-frequency antennas and key, through rigorous solid geometry and space vector geometry location algorithm, the signal strength geometric conversion that induces low-frequency antenna; Make the current stereoscopic three-dimensional coordinate of key; Can know key accurately whether in car, whether decision authorizes the legal authority of opening car power supply and start the engine, utilizes the CAN bus communication through the signal of encrypting between system and the automobile ECU; Tell ECU authentication information, thereby whether equipment such as ECU controlled in real-time oil pump, starter power are devoted oneself to work.
The present invention passes through geometric conversion to the signal strength that low-frequency antenna induces through rigorous solid geometry and space vector geometry location algorithm, makes the current stereoscopic three-dimensional coordinate of key, and accuracy of positioning is 5 centimetres; Adopt KEELOQ decipherment algorithm software, have high safety, do not have key can't decipher and start the engine; Utilize the CAN bus communication through the signal of encrypting between system of the present invention and the automobile ECU; Tell ECU authentication information; Thereby whether equipment such as ECU controlled in real-time oil pump, starter power are devoted oneself to work; In case there is not authentication success, then cut off all equipment relevant immediately with start the engine, even like this robber utilize several threads to force to make contact also can't start the engine.
Description of drawings
Fig. 1 is the structural representation of automobile of the present invention with a key start-up system.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further detailed explanation, thereby protection scope of the present invention is made more explicit defining so that advantage of the present invention and characteristic can be easier to it will be appreciated by those skilled in the art that.
Automobile of the present invention comprises 4 low-frequency antennas, central controller and Intelligent key with a key start-up system; 4 low-frequency antennas are placed in respectively on grip handle place, roof central authorities and the boot of left and right sides car door; Central controller is positioned over below the console, and 4 low-frequency antennas link to each other respectively with central controller.
The car central controller adopts the high quality low-frequency antenna, has high sensitieness for detecting key.The plug-in reader of the central controller below the console constantly sends low frequency signal; Because Intelligent key uses 3 induction antennas, people being with key (be placed in the pocket or in the bag), Intelligent key can detect low frequency signal in the time of in car; And the product information feedback that will be stored in accordingly in the chip is sent; 4 low-frequency antennas receive this feedback signal and detect key, and the position of the key that calculates, and judge whether that key is in car; Whether decision authorizes the legal authority of opening car power supply and start the engine, and tells whether automobile ECU opens various devices such as oil circuit, starter motor power supply.
Intelligent key uses 3 induction antennas, can well detect the low frequency signal that car body sends, and adopt the chip with KEELOQ encryption function leading in the world, and is safe and reliable, can't decipher.Utilize 4 low-frequency antennas to detect key; In case detect key; Then accurately calculate the position of key through the distance of several antennas and key, the position through the key that calculates judges whether that key is in car; Whether decision authorizes the legal authority of opening car power supply and start the engine, and tells whether automobile ECU opens various devices such as oil circuit, starter motor power supply.Through rigorous solid geometry and space vector geometry location algorithm, the signal strength that induces low-frequency antenna is made the current stereoscopic three-dimensional coordinate of key through geometric conversion, can know key accurately whether in car, and accuracy of positioning is 5 centimetres.Utilize the CAN bus communication through the signal of encrypting between native system and the automobile ECU; Tell ECU authentication information; Thereby whether equipment such as ECU controlled in real-time oil pump, starter power are devoted oneself to work; In case there is not authentication success, then cut off all equipment relevant immediately with start the engine, even like this robber utilize several threads to force to make contact also can't start the engine.
Real vehicle is installed a key start-up system, test result:
1, the people is being with key (be placed in the pocket or bag in), in the time of in car, and normally opening automobile power supply, normally start the engine.
2, key is outside car, i.e. use is being held key in hand and stretched out outside window, also can't start automotive engine.
3, above-mentioned 1 and 2 situation test repeatedly in a large number, no misoperation.
4, sweep with no profile scanner and obtain the current wireless signal that sends near the car key, wait the car owner to leave and after car door locks, force to crack vehicle window, force to strike bad lock into the car, copy this string wireless signal again, also can't open driving engine.
5, force to crack vehicle window, force to strike bad lock into the car, force to dismantle the wireless authentication system module again, the engine starting power supply of making contact also can't start the engine.
6, utilize no profile scanner to sweep the wireless encryption signal that obtains; Pass through computer cryptography expert mathematical computations and coding again; Attempt decruption key, then utilize the highest program run of computing machine utilization ratio of current the highest configuration, the result is operation come out part of 0.001% of deciphering only after a day; Just needed just possibly decipher out fully in 200 years, then this cryptographic system is safe and reliable.
Claims (4)
1. an automobile is with a key start-up system; Comprise 4 low-frequency antennas, central controller and Intelligent key; 4 low-frequency antennas are placed in respectively on grip handle place, roof central authorities and the boot of left and right sides car door; Central controller is positioned over below the console, and 4 low-frequency antennas link to each other respectively with central controller.
2. automobile according to claim 1 is characterized in that with a key start-up system: built-in 3 induction antennas of described Intelligent key and the chip with KEELOQ encryption function.
3. automobile according to claim 1 is characterized in that with a key start-up system: said system adopts solid geometry and space vector geometry location algorithm.
4. automobile according to claim 1 is characterized in that with a key start-up system: utilize the CAN bus communication through the signal of encrypting between said system and the automobile ECU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101059605A CN102627069A (en) | 2012-04-12 | 2012-04-12 | Vehicle one-key-to-start system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101059605A CN102627069A (en) | 2012-04-12 | 2012-04-12 | Vehicle one-key-to-start system |
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| CN102627069A true CN102627069A (en) | 2012-08-08 |
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| CN2012101059605A Pending CN102627069A (en) | 2012-04-12 | 2012-04-12 | Vehicle one-key-to-start system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103281224A (en) * | 2013-04-02 | 2013-09-04 | 中船重工(武汉)凌久高科有限公司 | CAN (Controller Area Network) bus safety communication method in intelligent illumination control system |
| CN103465866A (en) * | 2013-09-25 | 2013-12-25 | 北京汽车股份有限公司 | Vehicle starting control method, vehicle starting control device and vehicle |
| CN103679863A (en) * | 2012-09-25 | 2014-03-26 | 比亚迪股份有限公司 | Key-free vehicle door control system and control method thereof |
| CN106296881A (en) * | 2015-05-28 | 2017-01-04 | 比亚迪股份有限公司 | The position identification device of remote control key, method and vehicle |
| CN106696899A (en) * | 2015-07-13 | 2017-05-24 | 深圳市体数科科技有限公司 | Vehicle one-button start method and system as well as vehicle-mounted terminal |
| CN108778844A (en) * | 2016-02-26 | 2018-11-09 | 胡夫·许尔斯贝克和福斯特有限及两合公司 | The method for activating at least one security function of Vehicle security system |
| CN110843728A (en) * | 2019-11-29 | 2020-02-28 | 安徽江淮汽车集团股份有限公司 | Automobile keyless starting method, automobile keyless starting equipment, storage medium and automobile keyless starting device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201619537U (en) * | 2010-01-11 | 2010-11-03 | 比亚迪股份有限公司 | Automobile communication network system and automobile |
| CN201629408U (en) * | 2010-04-19 | 2010-11-10 | 北京经纬恒润科技有限公司 | Separated three-shaft low-frequency antenna, remote-control device and remote-control key |
| CN101941412A (en) * | 2010-07-30 | 2011-01-12 | 奇瑞汽车股份有限公司 | Automobile log-in/starting system and intelligent vehicle remote control and control method thereof |
| CN102096956A (en) * | 2010-11-15 | 2011-06-15 | 王翔 | Remote-control no-key system for automobile and data processing method thereof |
| CN202623939U (en) * | 2012-04-12 | 2012-12-26 | 常熟恒基科技有限公司 | One-key starting system for automobiles |
-
2012
- 2012-04-12 CN CN2012101059605A patent/CN102627069A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201619537U (en) * | 2010-01-11 | 2010-11-03 | 比亚迪股份有限公司 | Automobile communication network system and automobile |
| CN201629408U (en) * | 2010-04-19 | 2010-11-10 | 北京经纬恒润科技有限公司 | Separated three-shaft low-frequency antenna, remote-control device and remote-control key |
| CN101941412A (en) * | 2010-07-30 | 2011-01-12 | 奇瑞汽车股份有限公司 | Automobile log-in/starting system and intelligent vehicle remote control and control method thereof |
| CN102096956A (en) * | 2010-11-15 | 2011-06-15 | 王翔 | Remote-control no-key system for automobile and data processing method thereof |
| CN202623939U (en) * | 2012-04-12 | 2012-12-26 | 常熟恒基科技有限公司 | One-key starting system for automobiles |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103679863A (en) * | 2012-09-25 | 2014-03-26 | 比亚迪股份有限公司 | Key-free vehicle door control system and control method thereof |
| CN103281224A (en) * | 2013-04-02 | 2013-09-04 | 中船重工(武汉)凌久高科有限公司 | CAN (Controller Area Network) bus safety communication method in intelligent illumination control system |
| CN103281224B (en) * | 2013-04-02 | 2016-08-10 | 中船重工(武汉)凌久高科有限公司 | CAN safety communicating method in a kind of intelligent lighting system |
| CN103465866A (en) * | 2013-09-25 | 2013-12-25 | 北京汽车股份有限公司 | Vehicle starting control method, vehicle starting control device and vehicle |
| CN106296881A (en) * | 2015-05-28 | 2017-01-04 | 比亚迪股份有限公司 | The position identification device of remote control key, method and vehicle |
| CN106296881B (en) * | 2015-05-28 | 2019-04-19 | 比亚迪股份有限公司 | Position identification device, method and the vehicle of remote control key |
| CN106696899A (en) * | 2015-07-13 | 2017-05-24 | 深圳市体数科科技有限公司 | Vehicle one-button start method and system as well as vehicle-mounted terminal |
| CN106696899B (en) * | 2015-07-13 | 2019-10-29 | 深圳市一体数科科技有限公司 | A kind of vehicle one-touch starting method and system and car-mounted terminal |
| CN108778844A (en) * | 2016-02-26 | 2018-11-09 | 胡夫·许尔斯贝克和福斯特有限及两合公司 | The method for activating at least one security function of Vehicle security system |
| CN110843728A (en) * | 2019-11-29 | 2020-02-28 | 安徽江淮汽车集团股份有限公司 | Automobile keyless starting method, automobile keyless starting equipment, storage medium and automobile keyless starting device |
| CN110843728B (en) * | 2019-11-29 | 2021-10-15 | 安徽江淮汽车集团股份有限公司 | Automobile keyless starting method, automobile keyless starting equipment, storage medium and automobile keyless starting device |
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Application publication date: 20120808 |