CN101898544B - Control system, system and control method for keyless safety starting of electric vehicle - Google Patents
Control system, system and control method for keyless safety starting of electric vehicle Download PDFInfo
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Abstract
The invention provides a control system for keyless safety starting of an electric vehicle, which comprises a vehicle body control module, a battery management module and a power battery module, wherein the vehicle body control module is connected with the battery management module; the vehicle body control module detects and judges whether the starting condition signal meets the safe starting requirement of the motor; sending a starting confirmation request to the battery management module when the starting condition signals all meet the safe starting requirement; and the battery management module controls the power battery module to supply power to the motor according to the starting confirmation request. The control system for the keyless safe starting of the electric vehicle improves the starting stability, has the characteristics of low cost and high universality, and simultaneously improves the operation stability of the electric vehicle. The invention also provides a keyless safety starting system of the electric vehicle and a control method for the keyless safety starting of the electric vehicle.
Description
Technical field
The present invention relates to a kind of control method of control system, keyless safety starting of electric vehicle system and keyless safety starting of electric vehicle of keyless safety starting of electric vehicle.
Background technology
The keyless safety starting system has been widely used in the fuel vehicle, and as the new selection that substitutes traditional ignition key and ignition lock, chaufeur only need be pressed start button or switch, can accomplish engine starting.It is easy to operate, safety, fashion, more meets the intelligentized trend of vehicle electronics, has begun to be widely used in the domestic and international intermediate car.
In recent years, in order to reduce energy resource consumption and the environmental pollution that fuel vehicle brings, battery-driven car fast development.Yet; The starting of battery-driven car and fuel vehicle have comparatively significantly difference; Fuel vehicle can be judged the situation of starting through the sound of driving engine feedback, and battery-driven car offers motor power by electrokinetic cell, and sound is very little during owing to motor rotation; Almost can ignore, so not too suitable as the foundation of judging startup with sound; Therefore how the starting of the control battery-driven car of safety and stability becomes the problem that each automobile vendor still needs and will study.
Therefore, how under the prerequisite of no key intelligent starting vehicle, it is the technical matters that faces solution at present that a kind of keyless safety starting cheaply is provided.
Summary of the invention
The object of the invention is intended to solve the problem of controlling the battery-driven car starting how with security and stability.
For this reason, the present invention proposes a kind of control method of control system, keyless safety starting of electric vehicle system and keyless safety starting of electric vehicle of keyless safety starting of electric vehicle.
According to an aspect of the present invention, the present invention proposes a kind of control system of keyless safety starting of electric vehicle, comprises Body control module, battery management module, power battery module; Said Body control module, detection also judges whether the starting conditions signal meets the safe starting requirement of motor; , said starting conditions signal sends the initiated innovation request when all meeting the safe starting requirement to said battery management module; Said battery management module is supplied power to motor according to said initiated innovation request control power battery module.
According to a further aspect in the invention, the present invention proposes a kind of keyless safety starting of electric vehicle system, comprises Body control module, battery management module, starter button, brake pedal, gear controller, power battery module; Said starter button sends the push button start signal to said Body control module; Said brake pedal sends speed-slackening signal to said Body control module; Said gear controller sends the neutral gear signal to said Body control module; Said Body control module judges whether said push button start signal, speed-slackening signal, neutral gear signal meet the safe starting requirement of motor; , said signal sends the initiated innovation request when all meeting the safe starting requirement to said battery management module; Said battery management module is supplied power to motor according to said initiated innovation request control power battery module.In accordance with a further aspect of the present invention, the present invention proposes a kind of keyless safety starting,
In accordance with a further aspect of the present invention; The present invention proposes a kind of control method of keyless safety starting of electric vehicle; May further comprise the steps: utilize the Body control module detection and judge whether the starting conditions signal meets the safe starting requirement of motor, and when said starting conditions signal all meets the safe starting requirement, send the initiated innovation request to battery management module; Said battery management module is according to the power supply of said initiated innovation request control power battery module.
Keyless safety starting of electric vehicle control system provided by the invention and control method thereof are utilized Body control module to detect and are judged whether the starting conditions signal meets the safe starting requirement of motor; And with the initiated innovation request send to battery management module with control power battery module power supply; Improve the stability that starts, have the characteristics of low-cost and high universalizable.
Keyless safety starting of electric vehicle provided by the invention system utilizes Body control module to detect and judges whether said push button start signal, speed-slackening signal, neutral gear signal meet the safe starting requirement of motor; And the initiated innovation request sent to the power supply of battery management module with the control power battery module, the stability and the safety that improve to start.
Aspect that the present invention adds and advantage part in the following description provide, and part will become obviously from the following description, or recognize through practice of the present invention.
Description of drawings
Fig. 1 is the structural representation of keyless safety starting of electric vehicle a kind of embodiment of system of the present invention;
Fig. 2 is the flow chart of steps of a kind of embodiment of control method of keyless safety starting of electric vehicle of the present invention.
The specific embodiment
Describe embodiments of the invention below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the present invention, and can not be interpreted as limitation of the present invention.
Fig. 1 is the structural representation of keyless safety starting of electric vehicle a kind of embodiment of system of the present invention.
In keyless safety starting of electric vehicle of the present invention system, include the keyless safety starting control system, control with keyless safety starting battery-driven car.As shown in Figure 1, the safe starting control system comprises Body control module 1 and battery management module 2.
The start mode of motor safety is that choosing shelves operating handle need place P gear or N gear (neutral position) among the present invention, and steps on brake pedal.Accordingly, aforesaid operations can trigger and provide speed-slackening signal and neutral gear signal.In the embodiment shown in fig. 1, the neutral gear signal is issued Body control module 1 by gear controller 3, and speed-slackening signal offers Body control module 1 by brake pedal 4.Except that aforesaid operations is accomplished, also need provide a cranking signal through the equipment of button or other handled easilies, with to the current starting that needs to carry out battery-driven car of Body control module 1 expression, determine starting state.In the illustrated embodiment, send the push button start signal by starter button 5.It is pointed out that the push button start signal is not limited to through pressing button here sends cranking signal, also can not need the parts of key and handled easily to provide through for example spurring or stir etc.
Therefore, Body control module 1 at first need detect whether receive these signals, and judges whether these signals all meet start request.In the present embodiment, the starting conditions signal can also comprise Intelligent key authentication signal, carries out legitimate verification with further checking vehicle launch operator or Intelligent key holder's identity, to guarantee the safety of starting.At this moment; The keyless safety starting control system also comprises no key control module 6; No key control module 6 drives no key antenna 7 according to the push button start signal and sends authentication information, and carries out the identities match checking of Intelligent key 8, detects the legitimacy of Intelligent key.No key control module 6 is sent the authentication signal of Intelligent key according to predetermined identity information matches testing result in Intelligent key and the system to Body control module 1.
The authentication signal of Intelligent key comprises the information of predetermined identity information matches in Intelligent key and the system, unmatched information or detects the information less than Intelligent key.Therefore, the authentication signal that Body control module 1 sends according to no key control module 6 can judge whether this authentication signal satisfies the necessary condition of starting.
Carry out signal and communication through the CAN network between above-mentioned Body control module 1, battery management module 2, the no key control module 6.
When Body control module 1 comprises that in judgement all starting conditions signals of the authentication signal of push button start signal, speed-slackening signal and neutral gear signal and Intelligent key all meet safe starting and require; Then send the initiated innovation request, give motor 10 power supplies by battery management module 2 control power battery modules 9 to battery management module 2.In the present embodiment, said power battery module 9 comprise electrokinetic cell 91 and with the electric capacity 92 of motor parallel, after said battery management module 2 received the initiated innovation request signal that Body control module 1 sends, 91 pairs of electric capacity 92 of control electrokinetic cell charged.Because the high-tension current that electrokinetic cell provides directly damages motor to the motor power supply easily, so earlier the electric capacity with motor parallel is carried out preliminary filling, the method can be slowed down the influence that high pressure brings motor.
Should be noted in the discussion above that then Body control module 1 will no longer respond, and promptly can not send the initiated innovation request if in the above-mentioned starting conditions signal one or the multinomial safe starting requirement that does not meet motor are arranged.For example, when Body control module 1 does not detect the neutral gear signal (gear is not when P shelves or N shelves), Body control module 1 will no longer respond, and can not send the initiated innovation request to battery management module 2.
Said battery management module 2 also comprises starting feedback module (not indicating among the figure);
Said starting feedback module judges whether the voltage at electric capacity 92 two ends has reached predetermined value within a certain period of time, if reach, then judges the completion of electric capacity preliminary filling, and sends the starting successful information to Body control module 2; If do not reach, then judge not success of starting, send start fail information to Body control module 2; Whether 2 of said Body control modules are provided with the vehicle body state according to said starting successful information or start fail information, and inform driver's successfully starting through the light on and off of indicator lamp in the control car.Utilize said starting feedback module, the driver can very directly recognize the starting state of battery-driven car, is convenient to driver's other operation and fault judgement.
In the present embodiment, carry out signal and communication through the CAN network between Body control module 1, battery management module 2, the no key control module 6.Body control module 1 needs control safe starting corresponding components of the present invention, and therefore the integration of various parts control is by focusing on the Body control module 1.For make Body control module 1 realize better and no key control module 6 and battery management module 2 between signal and communication, can adopt the CAN In-vehicle networking between them.The CAN network-bus is a kind of many main station controllers of serial local area network bus, is the serial communication network of distributed control of a kind of effective support or real-time control, and has traffic rate height, good reliability and lower-price characteristic.
In addition; As shown in Figure 1; The control system combined with intelligent key 8 of keyless safety starting of the present invention, with the cooresponding starter button of Intelligent key 85, no key control module 6, no key antenna 7, brake pedal 4, gear controller 3, then constituted the system of keyless safety starting of electric vehicle of the present invention.Starter button 5 and Intelligent key 8 corresponding being meant; Send cranking signal through starter button 5 to Body control module 1; 1 of Body control module sends authentication request according to this cranking signal to no key control module 6, to carry out the authentication of Intelligent key 8.That is, starter button 5 also is used to trigger the authentication of Intelligent key except sending the push button start signal, to guarantee the keyless safety starting of battery-driven car.
Below, please refer to Fig. 2, Fig. 2 has provided the steps flow chart of the control method of keyless safety starting of electric vehicle of the present invention.
At first, Body control module detects and judges whether the starting conditions signal meets the safe starting requirement of motor, and when meeting the safe starting requirement, sends the initiated innovation request to battery management module.
Said starting conditions signal comprises push button start signal, Intelligent key authentication signal, speed-slackening signal and neutral gear signal.
At this moment, the start mode of safety is that choosing shelves operating handle need place P gear or N gear (neutral position), steps on brake pedal; Aforesaid operations can trigger and provide speed-slackening signal and neutral gear signal.
Except that aforesaid operations is accomplished, also need provide a cranking signal through the equipment of button or other handled easilies, representing the starting of current needs execution battery-driven car to Body control module, and send seeking of Intelligent key made a thorough investigation of to Body control module and ask.In the present embodiment, send the push button start signal by starter button.
At this moment, Body control module sends authentication request according to the push button start signal to no key control module.No key control module drives no key sky alignment Intelligent key according to the authentication request that receives and sends authentication information, and carries out the identities match checking of Intelligent key by no key control module, detects the legitimacy of Intelligent key.No key control module is sent the authentication signal of Intelligent key according to predetermined identity information matches testing result in Intelligent key and the system to Body control module.
The authentication signal of Intelligent key comprises the information of predetermined identity information matches in Intelligent key and the system, unmatched information or detects the letter information less than Intelligent key.Therefore, the authentication signal that Body control module sends according to no key control module can judge whether this authentication signal satisfies the necessary condition of starting.Through the Intelligent key authentication, can verify further that the start-up function person of battery-driven car or Intelligent key holder's identity carry out legitimate verification, guarantee the safety of starting.
Should be noted in the discussion above that then Body control module will no longer respond, and promptly can not send the initiated innovation request if in the above-mentioned starting conditions signal one or the multinomial safe starting requirement that does not meet motor are arranged.For example, when Body control module does not detect the neutral gear signal (gear is not when P shelves or N shelves), Body control module will no longer respond, and can not send the initiated innovation request to battery management module.
Secondly, when Body control module when judging that all starting conditions signals all meet the safe starting requirement, then send the initiated innovation request to battery management module, battery management module is then controlled power battery module and is supplied power to motor.
In the present embodiment, said power battery module comprise electrokinetic cell and with the electric capacity of motor parallel, after said battery management module received the initiated innovation request signal that Body control module sends, the control electrokinetic cell charged to electric capacity.
Once more; Can also comprise the steps: to judge through the starting feedback module of battery management module whether the voltage at electric capacity two ends has reached predetermined value within a certain period of time; If reach, then judge the completion of electric capacity preliminary filling, and send the starting successful information to Body control module; If do not reach, then judge not success of starting, send start fail information to Body control module; Whether said Body control module then according to said starting successful information or start fail information, is provided with the vehicle body state, and inform driver's successfully starting through the light on and off of indicator lamp in the control car.
Utilize said starting feedback module, the driver can very directly recognize the starting state of battery-driven car, is convenient to driver's other operation and fault judgement.
In the present embodiment; Body control module, battery management module and do not have between the key control module and carry out signal and communication through the CAN network; With the serial communication network that the distributed control of a kind of effective support is provided or controls in real time, realize the signal and communication between Body control module and no key control module and the battery management module better.
And, adopt Body control module can realize the communication between Intelligent key and the starter button easily, integrate control.In addition, Body control module combine the CAN In-vehicle networking not only realize and vehicle interior major control element between the two-forty communication, the also corresponding problem such as the complexity of controlling cost and connect up that reduced when improving vehicle riding comfort also.
Although illustrated and described embodiments of the invention; For those of ordinary skill in the art; Be appreciated that under the situation that does not break away from principle of the present invention and spirit and can carry out multiple variation, modification, replacement and modification that scope of the present invention is accompanying claims and be equal to and limit to these embodiment.
Claims (15)
1. the control system of a keyless safety starting of electric vehicle is characterized in that, said control system comprises Body control module, battery management module, power battery module;
Said Body control module, detection also judges whether the starting conditions signal meets the safe starting requirement of motor; , said starting conditions signal sends the initiated innovation request when all meeting the safe starting requirement to said battery management module;
Said battery management module is supplied power to motor according to said initiated innovation request control power battery module;
Said power battery module comprises electrokinetic cell and with motor parallel and be used to avoid high potential to damage the electric capacity of motor; After said battery management module received the initiated innovation request signal that Body control module sends, the control electrokinetic cell charged to electric capacity.
2. the control system of keyless safety starting of electric vehicle as claimed in claim 1 is characterized in that, said starting conditions signal comprises push button start signal, speed-slackening signal and neutral gear signal.
3. the control system of keyless safety starting of electric vehicle as claimed in claim 2 is characterized in that, said starting conditions signal also comprises Intelligent key authentication signal.
4. the control system of keyless safety starting of electric vehicle as claimed in claim 3; It is characterized in that; Also comprise no key control module; Said no key control module drives no key antenna transmission authentication information according to said push button start signal, and carries out the identities match checking of Intelligent key, to send said Intelligent key authentication signal to Body control module.
5. the control system of keyless safety starting of electric vehicle as claimed in claim 4 is characterized in that, carries out signal and communication through the CAN network between said Body control module, battery management module, the no key control module.
6. a keyless safety starting of electric vehicle system is characterized in that, comprises Body control module, battery management module, starter button, brake pedal, gear controller, power battery module;
Said starter button sends the push button start signal to said Body control module;
Said brake pedal sends speed-slackening signal to said Body control module;
Said gear controller sends the neutral gear signal to said Body control module;
Said Body control module judges whether said push button start signal, speed-slackening signal, neutral gear signal meet the safe starting requirement of motor; , said signal sends the initiated innovation request when all meeting the safe starting requirement to said battery management module;
Said battery management module is supplied power to motor according to said initiated innovation request control power battery module;
Said power battery module comprises electrokinetic cell and with motor parallel and be used to avoid high potential to damage the electric capacity of motor; After said battery management module received the initiated innovation request signal that Body control module sends, the control electrokinetic cell charged to electric capacity.
7. keyless safety starting of electric vehicle as claimed in claim 6 system is characterized in that, also comprise no key antenna, no key control module and with the corresponding Intelligent key of said starter button;
Said no key control module drives said no key antenna transmission authentication information according to said push button start signal; Carry out the identities match checking of said Intelligent key, and matching result is converted into Intelligent key authentication signal sends to Body control module.
8. keyless safety starting of electric vehicle as claimed in claim 6 system is characterized in that, carries out signal and communication through the CAN network between said Body control module, battery management module, the no key control module.
9. keyless safety starting of electric vehicle as claimed in claim 6 system is characterized in that said battery management module also comprises the starting feedback module;
Said starting feedback module judges whether the voltage at electric capacity two ends has reached predetermined value within a certain period of time, if reach, then judges the completion of electric capacity preliminary filling, and sends the starting successful information to Body control module; If do not reach, then judge not success of starting, send start fail information to Body control module; Whether said Body control module then according to said starting successful information or start fail information, is provided with the vehicle body state, and inform driver's successfully starting through the light on and off of indicator lamp in the control car.
10. the control method of a keyless safety starting of electric vehicle is characterized in that, may further comprise the steps:
Utilize the Body control module detection and judge whether the starting conditions signal meets the safe starting requirement of motor, and when said starting conditions signal all meets the safe starting requirement, send the initiated innovation request to battery management module;
Said battery management module is supplied power to motor according to said initiated innovation request control power battery module;
Said power battery module comprises electrokinetic cell and with motor parallel and be used to avoid high potential to damage the electric capacity of motor; After said battery management module received the initiated innovation request signal that Body control module sends, the control electrokinetic cell charged to electric capacity.
11. the control method of keyless safety starting of electric vehicle as claimed in claim 10 is characterized in that, said starting conditions signal comprises push button start signal, speed-slackening signal and neutral gear signal.
12. the control method of keyless safety starting of electric vehicle as claimed in claim 11 is characterized in that, said starting conditions signal also comprises Intelligent key authentication signal.
13. the control method of keyless safety starting of electric vehicle as claimed in claim 12 is characterized in that, and is further comprising the steps of:
Said no key control module drives said no key antenna transmission authentication information according to said push button start signal; Carry out the identities match checking of said Intelligent key, and matching result is converted into Intelligent key authentication signal sends to Body control module.
14. the control method of keyless safety starting of electric vehicle as claimed in claim 13 is characterized in that, carries out signal and communication through the CAN network between said Body control module, said battery management module, the said no key control module.
15. the control method of keyless safety starting of electric vehicle as claimed in claim 10 is characterized in that, also comprises the steps:
Whether the voltage of judging the electric capacity two ends through the starting feedback module of battery management module has reached predetermined value within a certain period of time, if reach, then judges the completion of electric capacity preliminary filling, and sends the starting successful information to Body control module; If do not reach, then judge not success of starting, send start fail information to Body control module; Whether said Body control module then according to said starting successful information or start fail information, is provided with the vehicle body state, and inform driver's successfully starting through the light on and off of indicator lamp in the control car.
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| CN2009101077635A CN101898544B (en) | 2009-05-27 | 2009-05-27 | Control system, system and control method for keyless safety starting of electric vehicle |
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| 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 |
| CN102642519A (en) * | 2012-05-07 | 2012-08-22 | 南通儒尚电动车科技有限公司 | Misoperation prevention monitoring and controlling system of electric vehicle |
| CN103679863B (en) * | 2012-09-25 | 2016-09-07 | 比亚迪股份有限公司 | A kind of key-free vehicle door control system and control method thereof |
| US20140170514A1 (en) * | 2012-12-17 | 2014-06-19 | GM Global Technology Operations LLC | Variable pem fuel cell system start time to optimize system efficiency and performance |
| 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 |
| CN103967679B (en) * | 2013-01-25 | 2016-04-27 | 广州汽车集团股份有限公司 | Starter control system controls method and the starter control system thereof of starter motor |
| CN105946790B (en) * | 2016-05-03 | 2019-07-09 | 北京新能源汽车股份有限公司 | Pure electric vehicle and power-on control method thereof |
| CN106004791A (en) * | 2016-06-22 | 2016-10-12 | 乐视控股（北京）有限公司 | Vehicle control method and device |
| CN106515661B (en) * | 2017-01-04 | 2018-12-11 | 北京长安汽车工程技术研究有限责任公司 | A kind of control method and system that pure electric automobile starts without key |
| CN107187319A (en) * | 2017-05-27 | 2017-09-22 | 北京新能源汽车股份有限公司 | Electric automobile starting control method and device and electric automobile |
| CN109131218B (en) * | 2018-09-17 | 2020-08-04 | 北京新能源汽车股份有限公司 | Starting method and device of vehicle, vehicle and computer readable storage medium |
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