CN104494563B - A kind of automobile no-key based on communication bus enters the system and method with startup - Google Patents
A kind of automobile no-key based on communication bus enters the system and method with startup Download PDFInfo
- Publication number
- CN104494563B CN104494563B CN201410812878.5A CN201410812878A CN104494563B CN 104494563 B CN104494563 B CN 104494563B CN 201410812878 A CN201410812878 A CN 201410812878A CN 104494563 B CN104494563 B CN 104494563B
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- CN
- China
- Prior art keywords
- personal information
- information signal
- central controller
- signal
- key
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Classifications
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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
- B60R25/20—Means to switch the anti-theft system on or off
- B60R25/24—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
- B60R25/241—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user whereby access privileges are related to the identifiers
Abstract
The invention discloses a kind of automobile no-key based on communication bus to enter the system and method with startup, electronic control unit recognizes whether unlocking action by inductive pick-up, if there are unlocking action, trigger signal is then sent to central controller, meanwhile low-frequency antenna transmitter sends unlocking signal in the effective range that it is launched；After low-frequency antenna receiver in Intelligent key receives the unlocking signal of electronic control unit transmitting, personal information signal is sent in the effective range that it is launched by radiofrequency launcher；After central controller receives the trigger signal sent by electronic control unit, whether detection radio frequency receiver receives the personal information signal sended over by Intelligent key, whether legal analyze the personal information, if legal, process chip sends unlock and starts the instruction of engine.The present invention automobile no-key enter with activation system and method, energy consumption is low, convenient and reliable operation, applied widely.
Description
Technical field
The present invention relates to automobile mounted field of electronic systems, particularly a kind of automobile no-key based on communication bus enters
With the system and method for startup.
Background technology
Existing automobile starting control, mainly starts both patterns using mechanical lock knob and remote control,
Mechanical lock knob control model sets different gears, is connected, connect with harness by internal different mechanical connection
Logical different switch, controls different relays, so as to control different power supply targets.It is maximum for current mechanical lock
It is advantageous in that purpose that is simple, reliable, but can not realizing intelligent control, can not particularly meets that people want comfort
Ask, can not for example be actuated for remote control processing to vehicle.
And remote control start-up mode, it will usually be equipped with a remote-control key, locking/solution is usually provided with remote-control key
The button of lock, when user needs to unlock vehicle, it is necessary to which remote-control key is aligned vehicle, press locking on remote-control key/
The button of unlock, so that the operation of engine is unlocked and started to vehicle, using the remote control start-up mode to automobile
During into being actuated for control, control chip and RF receiving circuit all integrate, it has not been convenient to management and debugging, and
And control chip and RF receiving circuit are often positioned in automotive interior, when remote-control key and control chip and RF receiving circuit
When being communicated, influenced by the electric circumstance of automotive interior complexity, low frequency signal tends to distortion, and user can need sometimes
The button of lock/unlock several times is pressed, could complete to be unlocked vehicle and start the operation of engine, operation seems not
It is very smooth, influences user experience, is sent in addition, control chip is constantly in remote-control key to be received with RF receiving circuit
The state of information, and control chip is the highest device of power consumption in remote control activation system, its control chip is constantly in work
Make state, the energy consumption of remote control activation system can be caused higher.
The content of the invention
The present invention provides a kind of convenient and reliable operation, the low automobile no-key based on communication bus of energy consumption enters and startup
System and method.
Automobile no-key of the present invention based on communication bus enters the system with startup, including central controller, intelligence
Can key and multiple electronic control units；
The multiple electronic control unit is located at the diverse location of vehicle body respectively, and each electronic control unit is by low frequency day
Line transmitter and inductive pick-up composition, the low-frequency antenna transmitter are controlled with inductive pick-up by communication bus and center
Device connection processed, when inductive pick-up has recognized unlocking action, sends trigger signal to central controller, meanwhile, low-frequency antenna
Transmitter sends unlocking signal in the effective range that it is launched；
The Intelligent key is made of low-frequency antenna receiver, radiofrequency launcher and holder, and holder stores user
Personal information, low-frequency antenna receiver receive electronic control unit transmitting unlocking signal after, by radiofrequency launcher at it
Personal information signal is sent in the effective range of transmitting；
The central controller is made of process chip and radio frequency receiver, and central controller receives single by electronic control
After the trigger signal that member is sent, by holding state transformation be in working condition, and detect radio frequency receiver whether receive by
The personal information signal that Intelligent key sends over, if receiving the personal information signal sended over by Intelligent key, divides
Whether legal analyse the personal information, if legal, process chip sends unlock and starts the instruction of engine.
Automobile no-key of the present invention based on communication bus enters the method with startup, comprises the following steps：
Step 1, the electronic control unit positioned at vehicle body diverse location recognize whether to unlock and move by inductive pick-up
Make, if there are unlocking action, send trigger signal to central controller, meanwhile, low-frequency antenna transmitter has what it was launched
Unlocking signal is sent in the range of effect；
After low-frequency antenna receiver in step 2, Intelligent key receives the unlocking signal of electronic control unit transmitting, by
Radiofrequency launcher sends personal information signal in the effective range that it is launched；
After step 3, central controller receive the trigger signal sent by electronic control unit, process chip is by treating
The transformation of machine state is in working condition, and detects whether radio frequency receiver receives the personal information letter sended over by Intelligent key
Number, whether if receiving the personal information signal sended over by Intelligent key, it is legal to analyze the personal information, if legal,
Then process chip sends unlock and starts the instruction of engine.
Automobile no-key of the present invention based on communication bus enter with activation system and method, in the different positions of vehicle body
Put and be respectively arranged with electronic control unit, whether the inductive pick-up sensing in electronic control unit has user to carry out unlocking behaviour
Make, when user is close to vehicle and when making unlocking action, inductive pick-up sends trigger signal into after recognizing relevant action
Controller is entreated, meanwhile, low-frequency antenna transmitter sends unlocking signal in the effective range that it is launched, the intelligence with user
After low-frequency antenna receiver in key receives unlocking signal, the radiofrequency launcher in Intelligent key is sent out in its effective range
The signal for the personal information being stored in Intelligent key is sent, central controller is received to be touched by what electronic control unit was sent
After signalling, process chip is in working condition by holding state transformation, and process chip detects radio frequency receiver in working status
Whether the personal information signal that by Intelligent key is sended over is received, if receiving the personal letter sended over by Intelligent key
Information signal, then check its personal information, judges its legitimacy, if personal information is accurate, process chip is sent
Unlock and the instruction for starting engine, user can carry out driver behavior to automobile.The automobile based on communication bus of the present invention
Keyless entry and activation system and method, only need to be in automobile when user needs to be unlocked automobile and start engine
Be made around unlocking action, central controller can according to whether in the presence of the Intelligent key for storing legal personal information so that
The automatic operation being unlocked and start engine, it is simple to operate.In addition, electronic control unit and center in the present invention
Controller is individually separated, and electronic control unit is distributed across the diverse location of vehicle body, and central controller is located at the inside of car,
Electronic control unit is connected by communication bus with central controller and realizes signal transmission, compared to traditional control chip and radio frequency
Receiving circuit all integrates, and can effectively lower the situation of low frequency signal distortion, and conveniently carry out commissioning to each device.
When user does not have unlocking action, the process chip in central controller is constantly in holding state, only when there is triggering information
When, just it is in working condition by holding state transformation, then carries out the verification of personal information, can effectively reduces the present invention based on communication
The automobile no-key of bus enters the energy consumption with activation system.
Brief description of the drawings
Fig. 1 is that the automobile no-key of the invention based on communication bus enters and activation system structure diagram one.
Fig. 2 enters with starting method flow diagram for the automobile no-key based on communication bus.
Fig. 3 enters and activation system structure diagram two for the automobile no-key based on communication bus.
Embodiment
Embodiment 1, as shown in Figure 1, 2, a kind of automobile no-key based on communication bus enters to be included with the system of startup
Central controller, Intelligent key and multiple electronic control units；Multiple electronic control units are located at the diverse location of vehicle body respectively,
Each electronic control unit is formed by low-frequency antenna transmitter and inductive pick-up, and the low-frequency antenna transmitter is passed with sensing
Sensor is connected by communication bus with central controller, when inductive pick-up has recognized unlocking action, sends trigger signal
To central controller, meanwhile, low-frequency antenna transmitter sends unlocking signal in the effective range that it is launched；Intelligent key is by low
Frequency antenna receiver, radiofrequency launcher and holder composition, holder store the personal information of user, low-frequency antenna receiver
After the unlocking signal for receiving electronic control unit transmitting, personal letter is sent in the effective range that it is launched by radiofrequency launcher
Information signal；Central controller is made of process chip and radio frequency receiver, central controller process chip by communication bus with
Electronic control unit connects, and radio frequency receiver is responsible for receiving the personal information letter for the radiofrequency launcher transmitting having in Intelligent key
Number.
When user is close to vehicle and when making unlocking action, inductive pick-up sends trigger signal after recognizing relevant action
To central controller, meanwhile, low-frequency antenna transmitter sends unlocking signal in the effective range that it is launched, with user
After low-frequency antenna receiver in Intelligent key receives unlocking signal, the radiofrequency launcher in Intelligent key is in its effective range
Interior transmission is stored in the signal of the personal information in Intelligent key, and wherein personal information includes user name, ID card No.
（123456789）And user's setting code（123456）, central controller receives what is sent by electronic control unit
After trigger signal, process chip is in working condition by holding state transformation, and process chip detects radio frequency reception in working status
Whether device receives the personal information signal sended over by Intelligent key, if receiving the individual sended over by Intelligent key
Information signal, then check its personal information, judges its user name, ID card No.（123456789）And user
Setting code（123456）It is whether consistent with being stored in central controller, if all information are all accurate, handle
Chip sends unlock and starts the instruction of engine, and user can carry out driver behavior to automobile.
After central controller receives the trigger signal sent by electronic control unit, in the operating condition, if
Do not detect that radio frequency receiver receives the personal information signal that Intelligent key sends within the presetting time, then turn
It is changed into holding state, to avoid being chronically in working status, wastes energy consumption, until after receiving trigger signal next time, it is just heavy
Newly enter working status.
As shown in figure 3, embodiment 2, a kind of automobile no-key of communication bus enters includes center control with activation system
Device, Intelligent key and multiple electronic control units；Multiple electronic control units are located at the diverse location of vehicle body, each electronics respectively
Control unit is formed by low-frequency antenna transmitter and inductive pick-up, and the low-frequency antenna transmitter is logical with inductive pick-up
Cross communication bus to be connected with central controller, when inductive pick-up has recognized unlocking action, send trigger signal to center and control
Device processed, meanwhile, low-frequency antenna transmitter sends unlocking signal in the effective range that it is launched；Intelligent key is connect by low-frequency antenna
Receive device, radiofrequency launcher and, holder and encryption unit composition, holder stores the personal information of user, and low-frequency antenna connects
After receiving the unlocking signal that device receives electronic control unit transmitting, sent by radiofrequency launcher in the effective range that it launch a
People's information signal, encryption unit are responsible for that personal information is encrypted；Central controller is conciliate by process chip, radio frequency receiver
Close unit composition, central controller process chip are connected by communication bus with electronic control unit, and radio frequency receiver is responsible for connecing
The personal information signal for the radiofrequency launcher transmitting having in Intelligent key is received, decryption unit is responsible for being decrypted to receiving information
Processing.
When user is close to vehicle and when making unlocking action, inductive pick-up sends trigger signal after recognizing relevant action
To central controller, meanwhile, low-frequency antenna transmitter sends unlocking signal in the effective range that it is launched, with user
After low-frequency antenna receiver in Intelligent key receives unlocking signal, personal information is encrypted in encryption unit, wherein a
People's information includes user name, ID card No.（123456789）And user's setting code（123456）, add through presetting
After close algorithm, become user name, ID card No. after the encryption of its personal information（dfegingea）And user's setting code
（fwgras）, radiofrequency launcher launches personal information signal after encryption in its effective launching zone, and central controller receives
To after the trigger signal sent by electronic control unit, process chip is in working condition by holding state transformation, handles core
Piece detects whether radio frequency receiver receives the personal information signal sended over by Intelligent key in working status, if receiving
To the personal information signal sended over by Intelligent key, decryption unit is first decrypted its personal information, is encrypted
Personal information afterwards is reduced to user name, ID card No.（123456789）And user's setting code（123456）, then
Process chip checks its personal information, judges its user name, ID card No.（123456789）And user's setting
Password（123456）It is whether consistent with being stored in central controller, if all information are all accurate, process chip
Send unlock and start the instruction of engine, user can carry out driver behavior to automobile.
By being provided with encryption unit in Intelligent key, central controller sets corresponding decryption unit, can avoid
Its personal information is stolen during channel transfer by criminal, the personal information security of can effectively protect user, allows automobile
Keyless entry is more safe and reliable with activation system.
In addition, being also provided with compression unit in Intelligent key, it is responsible for before radiofrequency launcher launches personal information signal
Personal information signal is compressed, central controller is provided with corresponding decompression units, will receive personal information signal progress
Decompression processing.Before its personal information is sent in Intelligent key, personal information signal can be compressed by compression unit, when
Central controller, which receives, to carry out corresponding decompression processing by decompression units after signal and can reduce its personal information, passes through
Decompression units are set, it is possible to reduce the amount of capacity of signal, shortens what signal transmitted between Intelligent key and central controller
Time, allows automobile no-key to enter more quick with the processing speed of activation system.
Claims (8)
1. a kind of automobile no-key based on communication bus enters the system with startup, it is characterised in that：Including central controller,
Intelligent key and multiple electronic control units；
The multiple electronic control unit is located at the diverse location of vehicle body respectively, and each electronic control unit is sent out by low-frequency antenna
Emitter and inductive pick-up composition, the low-frequency antenna transmitter pass through communication bus and central controller with inductive pick-up
Connection, when inductive pick-up has recognized unlocking action, sends trigger signal to central controller, meanwhile, low-frequency antenna transmitting
Device sends unlocking signal in the effective range that it is launched；
The Intelligent key is made of low-frequency antenna receiver, radiofrequency launcher and holder, and holder stores of user
People's information, after low-frequency antenna receiver receives the unlocking signal of electronic control unit transmitting, is launched by radiofrequency launcher at it
Effective range in send personal information signal；
The central controller is made of process chip and radio frequency receiver, and central controller is received to be passed by electronic control unit
After the trigger signal brought, it is in working condition by holding state transformation, and detect whether radio frequency receiver is received by intelligence
The personal information signal that key sends over, if receiving the personal information signal sended over by Intelligent key, analysis should
Whether personal information is legal, if legal, process chip sends unlock and starts the instruction of engine.
2. the automobile no-key according to claim 1 based on communication bus enters the system with startup, it is characterised in that：
Encryption unit is additionally provided with Intelligent key, is responsible for adding personal information signal before radiofrequency launcher launches personal information signal
Close, central controller is provided with corresponding decryption unit, will receive personal information signal and is decrypted.
3. the automobile no-key according to claim 1 based on communication bus enters the system with startup, it is characterised in that：
After central controller is in working condition by holding state transformation, if not detected within the presetting time, radio frequency receiver connects
The personal information signal that Intelligent key sends over is received, then is changed into holding state.
4. the automobile no-key according to claim 1 based on communication bus enters the system with startup, it is characterised in that：
Compression unit is additionally provided with Intelligent key, is responsible for personal information signal pressure before radiofrequency launcher launches personal information signal
Contracting, central controller are provided with corresponding decompression units, will receive personal information signal and carry out decompression processing.
5. a kind of automobile no-key based on communication bus enters the method with startup, comprise the following steps：
Step 1, the electronic control unit positioned at vehicle body diverse location recognize whether unlocking action by inductive pick-up, if
There are unlocking action, then sends trigger signal to central controller, meanwhile, the effective range that low-frequency antenna transmitter is launched at it
Interior transmission unlocking signal；
After low-frequency antenna receiver in step 2, Intelligent key receives the unlocking signal of electronic control unit transmitting, by radio frequency
Transmitter sends personal information signal in the effective range that it is launched；
After step 3, central controller receive the trigger signal sent by electronic control unit, process chip is by standby shape
State transformation is in working condition, and detects whether radio frequency receiver receives the personal information signal sended over by Intelligent key,
If receiving the personal information signal sended over by Intelligent key, whether legal, if legal, locate if analyzing the personal information
Reason chip sends unlock and starts the instruction of engine.
6. the automobile no-key according to claim 5 based on communication bus enters the method with startup, it is characterised in that：
In step 2, before radiofrequency launcher launches personal information signal, personal information signal can be encrypted for encryption unit；
In step 3, after central controller receives personal information signal, decryption unit carries out corresponding decryption processing.
7. the automobile no-key according to claim 5 based on communication bus enters the method with startup, it is characterised in that：
In step 3, after central controller is in working condition by holding state transformation, penetrated if not detected within the presetting time
Frequency receiver receives the personal information signal that Intelligent key sends over, then is changed into holding state.
8. the automobile no-key according to claim 5 based on communication bus enters the method with startup, it is characterised in that：
In step 2, before radiofrequency launcher launches personal information signal, personal information signal can be compressed by compression unit；
In step 3, after central controller receives personal information signal, decompression units carry out corresponding decompression processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410812878.5A CN104494563B (en) | 2014-12-24 | 2014-12-24 | A kind of automobile no-key based on communication bus enters the system and method with startup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410812878.5A CN104494563B (en) | 2014-12-24 | 2014-12-24 | A kind of automobile no-key based on communication bus enters the system and method with startup |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104494563A CN104494563A (en) | 2015-04-08 |
| CN104494563B true CN104494563B (en) | 2018-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410812878.5A Active CN104494563B (en) | 2014-12-24 | 2014-12-24 | A kind of automobile no-key based on communication bus enters the system and method with startup |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106603470A (en) * | 2015-10-16 | 2017-04-26 | 上海汽车集团股份有限公司 | Vehicle control method, apparatus, vehicle key generation method and system |
| EP3306576B1 (en) * | 2016-10-05 | 2023-03-15 | The Swatch Group Research and Development Ltd | Method and system for secure access to a determined space by means of a portable object |
| CN106853810A (en) * | 2016-12-29 | 2017-06-16 | 北京车和家信息技术有限责任公司 | Method, device, car body control module, vehicle and system that vehicle remote is controlled |
| KR20180099103A (en) * | 2017-02-28 | 2018-09-05 | 삼성전자주식회사 | Electronic device for controlling a vehicle and operating method thereof |
| CN107380122B (en) * | 2017-07-26 | 2020-03-31 | 京东方科技集团股份有限公司 | Method and device for unlocking vehicle |
| CN107613495B (en) * | 2017-09-29 | 2021-10-08 | 深圳市盛路物联通讯技术有限公司 | Unlocking control method and control terminal based on antenna signals |
| CN110803127A (en) * | 2018-08-03 | 2020-02-18 | 长城汽车股份有限公司 | Vehicle control method and system and vehicle |
| DE102018010140A1 (en) * | 2018-12-27 | 2020-07-02 | Volkswagen Aktiengesellschaft | Concept for providing a key signal or an immobilizer signal for a vehicle |
| CN111667617A (en) * | 2020-05-27 | 2020-09-15 | 奇瑞商用车（安徽）有限公司 | Electronic lock unlocking method during alternating current charging of electric vehicle |
| CN115234104A (en) * | 2021-04-25 | 2022-10-25 | 北京汽车股份有限公司 | Keyless triggering method, controller and vehicle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201567872U (en) * | 2009-12-01 | 2010-09-01 | 天之域电子工业(厦门)有限公司 | Intelligent door controlling system of vehicle |
| CN201901107U (en) * | 2010-10-09 | 2011-07-20 | 郭华 | Passive keyless entry anti-theft system based on automobile bus control |
| CN102733674B (en) * | 2011-04-01 | 2014-12-17 | 上海汽车集团股份有限公司 | Automobile inner control device for automotive keyless entry and start system |
| GB2496847A (en) * | 2011-11-16 | 2013-05-29 | Jaguar Cars | Vehicle access system using a wired data connection between the key and vehicle |
| CN102587744B (en) * | 2012-01-18 | 2014-04-30 | 武汉光庭科技有限公司 | System and design method for reducing power consumption for same for PKE (passive keyless entry) |
| CN103448675A (en) * | 2013-07-01 | 2013-12-18 | 江苏安智欣电子科技有限公司 | PEPS (Passive Entry & Passive Start) intelligent key and control method thereof |
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