CN101546445B - Keyless-entry antitheft security system - Google Patents
Keyless-entry antitheft security system Download PDFInfo
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- CN101546445B CN101546445B CN 200710125392 CN200710125392A CN101546445B CN 101546445 B CN101546445 B CN 101546445B CN 200710125392 CN200710125392 CN 200710125392 CN 200710125392 A CN200710125392 A CN 200710125392A CN 101546445 B CN101546445 B CN 101546445B
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Abstract
The invention relates to a keyless-entry antitheft security system, which comprises an intelligent key, a vehicle body control module, a keyless electric control unit, an out-vehicle magnetic card exploring antenna, an in-vehicle magnetic card exploring antenna and an in-vehicle temperature sensor, wherein the in-vehicle magnetic card exploring antenna and the in-vehicle temperature sensor are arranged in a vehicle body and connected with the keyless electric control unit; the keyless electric control unit receives feedback signals of the in-vehicle magnetic card exploring antenna and the in-vehicle temperature sensor and determines the security state according to the feedback signals; and the vehicle body control module enters an antitheft state or takes antitheft measures according to the security state. In the system, the in-vehicle magnetic card exploring antenna and the in-vehicle temperature sensor judge if a person breaks into the vehicle, perform radio frequency identification of the lawful entry authority of the person, and accordingly take corresponding antitheft measures which prevent the person breaking into the vehicle from escaping easily, so the safety and antitheft performance of the keyless entry system are fully improved.
Description
Technical field
The present invention relates to a kind of vehicle control system, be specifically related to a kind of safety, the better keyless access system of theftproof performance.
Background technology
At present, most of imported cars or homemade medium-to-high grade car have adopted non-key control system.General keyless access system and the no key start-up system of dividing.Existing keyless access system, mainly be to adopt RFID (radio frequency identification) technology, chip induction automatic switch door lock in the Intelligent key of carrying by the car owner, when that is to say Intelligent key apart from the vehicle certain distance, the random authentication sign indicating number of the high frequency receiver module identification intelligent key the inside on the described vehicle, during coupling, allow to open car door.Car owner's handle of pulling for example, door lock can be opened and remove antitheft automatically.When the car owner leaves vehicle, door is closed intact, door lock can automatic locking on and enter anti-theft state.Generally being equipped with the vehicle of keyless access system, the induction button is arranged on its door handle, simultaneously keyhole is arranged also, is in case smart card damages or when not having electricity, the still available mechanical key of car owner is opened car door.
But existing keyless access system, Intelligent key only are detected antenna identification at body exterior, if when illegally entering after vehicle is pried open car door or pounded cullet by apparatus, just there is bigger potential safety hazard in then existing keyless access system.
Therefore demand a kind of new keyless access system urgently to overcome the problem that occurs in the existing security system.
Summary of the invention
The purpose of this invention is to provide a kind of safety, the better keyless-entry antitheft security system of theftproof performance.
The technical scheme that realizes described purpose is: a kind of keyless-entry antitheft security system, the outer magnetic card exploring antenna of car that comprises Intelligent key, car body control module (BCM), connects the no key ECU (Electrical Control Unit) (ECU) of car body control module and connect no key ECU (Electrical Control Unit) (ECU) by automobile bus, described car outward the magnetic card exploring antenna from the described Intelligent key of body exterior wireless identification.Described keyless-entry antitheft security system comprises that also the connection that is arranged in the vehicle body do not have magnetic card exploring antenna and vehicle interior temperature sensor in the car of key ECU (Electrical Control Unit) (ECU), described no key ECU (Electrical Control Unit) (ECU) receives the feedback signal of interior magnetic card exploring antenna of car and vehicle interior temperature sensor, and according to feedback signal affirmation safe condition, described car body control module (BCM) enters anti-theft state or takes anti-theft measure according to safe condition.
Described safe condition comprises and legally enters safe condition and illegally enter safe condition that described Intelligent key is furnished with the mechanical key of opening car door.
Specifically, the described legal safe condition that enters specifically is meant following situation:
Do not start keyless-entry antitheft security system, described car door is opened by mechanical key;
Start keyless-entry antitheft security system, described car door is opened after Intelligent key is removed anti-theft measure.
Specifically, vehicle enters the condition of anti-theft state and is:
Vehicle is flame-out, and car body control module (BCM) confirms that by car door and nacelle detector switch car door and nacelle close well;
Intelligent key sends vehicle-locking signal;
Start initiatively anti-theft measure.
Preferably, described active anti-theft measure is not locked or Intelligent key starts in the schedule time after having removed lock car state at vehicle, when starting automatically, and the dead lock motor closed door in described car body control module (BCM) the control car door.
Specifically, the described safe condition that illegally enters specifically is meant: car door is opened by mechanical key from the outside, does not have legal Intelligent key coupling simultaneously; The vehicle interior temperature sensor is to abnormal temperature, and the interior magnetic card exploring antenna of car that connects no key ECU (Electrical Control Unit) (ECU) simultaneously detects less than the legal Intelligent key that mates.
Open by mechanical key from the outside at car door, there be not illegally entering under the safe condition of legal Intelligent key coupling simultaneously, described anti-theft measure is: described car body control module (BCM) detects the signal that the door lock core detector switch is given, control described car body control module (BCM) control dead lock motor rotation and keep closing of car door always, and the control turn signal lamp dodges and the control alarm is sounded.
Arrive abnormal temperature in the vehicle interior temperature sensor, the magnetic card exploring antenna detects illegally entering under the safe condition less than the legal Intelligent key that mates in the car simultaneously, described anti-theft measure is: no key ECU (Electrical Control Unit) (ECU) is given car body control module (BCM) signal by automobile bus, dead lock motor closed door in described car body control module (BCM) the control car door is controlled the turn signal lamp sudden strain of a muscle simultaneously and the control alarm is sounded.
After keyless-entry antitheft security system enters anti-theft state, trigger anti-theft measure, use the Intelligent key to remove anti-theft measure by back door.
The present invention adopts described technical scheme, its beneficial technical effects is: keyless-entry antitheft security system of the present invention, by magnetic card exploring antenna and vehicle interior temperature sensor in the car that connects no key ECU (Electrical Control Unit) (ECU) is set at interior of body, make described antitheft security system can judge whether illegal into the car personnel or carry out these personnel of radio frequency identification and whether have legal access entitlements, described thus car body control module (BCM) is taked corresponding anti-theft measure, give car body control module (BCM) signal such as no key ECU (Electrical Control Unit) (ECU) by automobile bus, dead lock motor closed door in described car body control module (BCM) the control car door, control simultaneously that turn signal lamp dodges and the control alarm is sounded, make the difficulty of fleeing from for the personnel that illegally enter vehicle, thereby fully improved the safety and the theftproof performance of keyless access system.
Description of drawings
Below by embodiment also in conjunction with the accompanying drawings, the present invention is described in further detail:
Fig. 1 is the control principle figure of keyless-entry antitheft security system of the present invention.
Fig. 2 is that keyless-entry antitheft security system of the present invention is installed in the frustrated figure of structure on the vehicle.
Embodiment
Please refer to Fig. 1 to Fig. 2, the present invention relates to a kind of keyless-entry antitheft security system and comprise Intelligent key 20, car body control module (BCM) 30, pass through the outer magnetic card exploring antenna 10 of high frequency receiver module 12, car, the interior magnetic card exploring antenna 14 of car and vehicle interior temperature sensor 16 that automobile bus (B-CAN) connects the no key ECU (Electrical Control Unit) (ECU) 39 of car body control module 30 and connects no key ECU (Electrical Control Unit) (ECU).Magnetic card exploring antenna 14 and vehicle interior temperature sensor 16 are installed in vehicle interior in the described car.The outer magnetic card exploring antenna 10 of described car is from the described Intelligent key 20 of body exterior wireless identification.Magnetic card exploring antenna 14 is from the described Intelligent key 20 of interior of body wireless identification in the described car.Described Intelligent key 20 is furnished with the mechanical key of opening car door.
Control switch 37 during described car body control module 30 is connected with in car door, nacelle detector switch 31, door lock core detector switch 33, dead lock detector switch 35 and the car, and from these switches, obtain the correlation behavior signal respectively.Described car body control module 30 also connects turn signal lamp 32, alarm 34, dead lock motor 36 and antitheft pilot lamp 38, and controls the start of these devices respectively.
Among the present invention, the feedback signal of magnetic card exploring antenna 14 and vehicle interior temperature sensor 16 in described no key ECU (Electrical Control Unit) 39 high frequency receiver modules 12, the outer magnetic card exploring antenna 10 of car, the car, and confirm the safe condition of vehicle according to feedback signal, follow described car body control module 30 and enter anti-theft state or take anti-theft measure according to safe condition.
In the present embodiment, described safe condition comprises and legally enters safe condition and illegally enter safe condition.The described legal safe condition that enters specifically is meant following situation:
1) car load non-transformer pattern: i.e. accumulator non-transformer supply, can take this moment mechanical key to open the door and enter, because car load does not have the power supply supply, vehicle can not enter no key electronic safety detecting system.
2) do not enter anti-theft state: this moment, the car owner allowed vehicle not have the key electronic security system not work, and entered so can take mechanical key open the door.
3) legal getting the hang of: keyless systems enters antitheft security system, and the car owner removes antitheft security system by Intelligent key and enters.
Vehicle generally enters anti-theft state when unmanned the use.
In the present embodiment, the condition that described vehicle enters anti-theft state is:
1) flame-out when vehicle, promptly the vehicle power supply pattern is return the OFF shelves, and car body control module 30 detects car doors, nacelle detector switch 31, confirms that all car doors and nacelle close well;
2) car owner presses Intelligent key 20 lock cars.High frequency receiver module 12 receives this vehicle-locking signal and gives no key ECU (Electrical Control Unit) 39, no key ECU (Electrical Control Unit) 39 is by vehicle bus and car body control module 30 communications, car body control module 30 control dead lock motors 36 run to closed condition, after putting in place, door lock dead lock detector switch 35 awards signal, 36 controls of car body control module 30 excision dead lock motors, bright turn signal lamp 32 once simultaneously, the indication car door locks, vehicle has entered anti-theft state, antitheft pilot lamp 38 work of car body control module 30 controls simultaneously, bright safe antitheft status signal.
If all car doors and nacelle are not closed well, then the car owner presses Intelligent key 20 lock cars, and alarm 34 sound once indicate client vehicles not enter the safe antitheft state, antitheft pilot lamp 38 work of car body control module 30 controls, bright non-safe antitheft status signal.
3) car owner locks car by Intelligent key 20, has removed lock car state by Intelligent key 20 again by mistake.For the anti-car owner's automatism of planting here takes place to cause the vehicle safety burglary-resisting system to destroy, system is provided with initiatively anti-theft measure.Described active anti-theft measure is not locked or Intelligent key 20 starts in the schedule time after having removed lock car state at vehicle, generally is in 10 seconds.When the automatic antitheft measure started, the dead lock motor 36 in the described car body control module 30 control car doors ran to closed condition.After dead lock put in place, door lock dead lock detector switch 35 awarded car body control module 30 signals.The control of car body control module 30 excision dead lock motors 36, vehicle has entered anti-theft state, antitheft pilot lamp 38 work of car body control module 30 controls simultaneously, bright safe antitheft status signal.
The described safe condition that illegally enters specifically is meant:
1) car door is opened by mechanical key from the outside, does not have legal Intelligent key coupling simultaneously;
2) vehicle interior temperature sensor 16 detects abnormal temperature, and the interior magnetic card exploring antenna 14 of car that connects no key ECU (Electrical Control Unit) 39 simultaneously detects less than the legal Intelligent key that mates.
Specifically, after system entered anti-theft state, unauthorized person was by illegal approach, as the door of driving by mechanical key.This moment, car body control module 30 detected the signal that door lock core detector switch 35 is given, and 36 runnings of car body control module 30 control dead lock motors remain to closed condition always, and promptly mechanical key can't normal door.Car body control module 30 control turn signal lamps 32 dodge simultaneously, and control alarm 34 sound remind vehicle to suffer unauthorised broken, also give illegal molecule scaring.
At the 2nd kind of situation, after system entered the safe antitheft state, illegal molecule entered vehicle by illegal approach.Vehicle temperature sensor 16 has detected the existence of abnormal temperature field at this moment.Then do not have key ECU (Electrical Control Unit) 39 and detect the position of Intelligent key 20, and have or not legal Intelligent key 20 in the inspection vehicle by magnetic card exploring antenna in the car 14.As do not have matched signal, then do not have key ECU (Electrical Control Unit) 39 and give car body control module 30 signals, the safe antitheft measure of taking the initiative of car body control module 30 control vehicles by vehicle bus.Described anti-theft measure is: no key ECU (Electrical Control Unit) 39 is given car body control module 30 signals by automobile bus, dead lock motor 36 closed doors in the described car body control module 30 control car doors, controlling turn signal lamp 32 sudden strains of a muscle and control alarm 34 simultaneously sounds, remind vehicle to suffer unauthorised broken, also give illegal molecule scaring simultaneously.
After keyless-entry antitheft security system enters the safe antitheft state, trigger anti-theft measure, need to recover by illegal approach.Concrete restoration methods is: remove anti-theft measure by legal Intelligent key 20.If the car load outage is adopted the non-transformer pattern, but connected battery feed once more, system still is in illegal destroyed anti-theft state and takes anti-theft measure, so still need legal Intelligent key 20 to remove anti-theft measure.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (2)
1. keyless-entry antitheft security system, comprise Intelligent key, car body control module BCM, connect the no key ECU (Electrical Control Unit) ECU of car body control module BCM and the outer magnetic card exploring antenna of car of the no key ECU (Electrical Control Unit) ECU of connection by automobile bus, the outer magnetic card exploring antenna of described car is from the described Intelligent key of body exterior wireless identification, it is characterized in that: also comprise being arranged on interior magnetic card exploring antenna of car and the vehicle interior temperature sensor that the interior connection of vehicle body does not have key ECU (Electrical Control Unit) ECU, described no key ECU (Electrical Control Unit) ECU receives the feedback signal of interior magnetic card exploring antenna of car and vehicle interior temperature sensor, and according to feedback signal affirmation safe condition, described car body control module BCM enters anti-theft state or takes anti-theft measure according to safe condition;
Described safe condition comprises and legally enters safe condition and illegally enter safe condition that described Intelligent key is furnished with the mechanical key of opening car door;
The described legal safe condition that enters specifically is meant:
Do not start keyless-entry antitheft security system, described car door is opened by mechanical key;
Start keyless-entry antitheft security system, described car door is opened after Intelligent key is removed anti-theft measure;
The condition that vehicle enters anti-theft state is:
Vehicle is flame-out, and car body control module BCM confirms that by car door and nacelle detector switch car door and nacelle close well;
Intelligent key sends vehicle-locking signal;
Start initiatively anti-theft measure: described active anti-theft measure is not locked or Intelligent key starts in the schedule time after having removed lock car state at vehicle, when starting automatically, and the dead lock motor closed door in the described car body control module BCM control car door;
The described safe condition that illegally enters specifically is meant:
Car door is opened by mechanical key from the outside, does not have legal Intelligent key coupling simultaneously;
The vehicle interior temperature sensor is to abnormal temperature, and the interior magnetic card exploring antenna of car that connects no key ECU (Electrical Control Unit) ECU simultaneously detects less than the legal Intelligent key that mates;
Open by mechanical key from the outside at car door, there be not illegally entering under the safe condition of legal Intelligent key coupling simultaneously, described anti-theft measure is: described car body control module BCM detects the signal that the door lock core detector switch is given, described car body control module BCM control dead lock motor rotation keeps closing of car door always, and the control turn signal lamp dodges and the control alarm is sounded
Arrive abnormal temperature in the vehicle interior temperature sensor, the magnetic card exploring antenna detects illegally entering under the safe condition less than the legal Intelligent key that mates in the car simultaneously, described anti-theft measure is: no key ECU (Electrical Control Unit) ECU gives car body control module BCM signal by automobile bus, dead lock motor closed door in the described car body control module BCM control car door is controlled the turn signal lamp sudden strain of a muscle simultaneously and the control alarm is sounded.
2. keyless-entry antitheft security system according to claim 1 is characterized in that: after keyless-entry antitheft security system enters anti-theft state, trigger anti-theft measure by back door, use the Intelligent key to remove anti-theft measure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200710125392 CN101546445B (en) | 2008-03-26 | 2008-03-26 | Keyless-entry antitheft security system |
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| CN 200710125392 CN101546445B (en) | 2008-03-26 | 2008-03-26 | Keyless-entry antitheft security system |
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| CN101546445A CN101546445A (en) | 2009-09-30 |
| CN101546445B true CN101546445B (en) | 2011-05-25 |
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| CN102014155A (en) * | 2010-10-28 | 2011-04-13 | 骏宇塑胶股份有限公司 | Handheld electronic device-combined vehicle information integrating method |
| CN102862549B (en) * | 2011-07-04 | 2014-12-17 | 上海华普汽车有限公司 | Starting system and starting method without keys |
| CN103010160B (en) * | 2013-01-18 | 2015-08-26 | 北京汽车股份有限公司 | A kind of car load theft preventing method, system and vehicle |
| CN104228766A (en) * | 2014-07-23 | 2014-12-24 | 贵州大学 | Wire control and magnetic card technology-based car security system device |
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| CN106696892A (en) * | 2016-10-21 | 2017-05-24 | 天津市普迅电力信息技术有限公司 | Automobile anti-theft system based on Beidou navigation and keyless entry |
| CN108297825B (en) * | 2017-01-11 | 2019-11-22 | 比亚迪股份有限公司 | VATS Vehicle Anti-Theft System, intelligent key system and anti-stealing method for vehicles |
| JP6907868B2 (en) * | 2017-10-02 | 2021-07-21 | 株式会社デンソー | Electronic key system for vehicles |
| CN112622822A (en) * | 2020-12-29 | 2021-04-09 | 江苏吉麦新能源车业有限公司 | Vehicle anti-theft system |
| CN115139974A (en) * | 2022-07-21 | 2022-10-04 | 奇瑞商用车（安徽）有限公司 | Anti-theft system and method based on vehicle-mounted controller and automobile |
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