CN102054342A - Two-way communication-based RKE remote startup system and method - Google Patents
Two-way communication-based RKE remote startup system and method Download PDFInfo
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- CN102054342A CN102054342A CN200910201774XA CN200910201774A CN102054342A CN 102054342 A CN102054342 A CN 102054342A CN 200910201774X A CN200910201774X A CN 200910201774XA CN 200910201774 A CN200910201774 A CN 200910201774A CN 102054342 A CN102054342 A CN 102054342A
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Abstract
The invention discloses a two-way communication-based remote keyless entry (RKE) remote startup system, which is characterized by comprising an RKE key, an RKE transceiver module, an air-conditioning system and an engine control system, wherein the air-conditioning system is connected with an output driving unit of the RKE transceiver module and is controlled to start up/stop through the output driving unit; and the engine control system is connected with a communication (COMM) unit of the RKE transceiver module, performs two-way communication with the RKE transceiver module and is connected with a gearbox to acquire the gear information of the gearbox. The invention also discloses a two-way communication-based RKE remote startup method implemented by the system. By establishing communication among the RKE transceiver module, the engine control system and the air-conditioning system, on the basis of guaranteeing the safety, remote engine startup and air-conditioning startup are realized, and the comfort degree of a vehicle is improved.
Description
Technical field
The present invention relates to a kind of system of automobile starting, especially a kind of RKE remote start system based on two-way communication.The invention still further relates to a kind of method of the RKE remote activation based on two-way communication
Background technology
At present, global total vehicle constantly increases, and people require also more and more higher to the comfortableness of automobile.Adapt with it, the application of automotive electronics module is also more extensive.According to statistics, the cost of automotive electronics accounts for more than 50% of automobile total cost in C level car.Remote keyless enters the standard configuration parts that (RemoteKeyless Entry is hereinafter to be referred as RKE) system almost becomes automobile.
Present RKE system is by following characteristics:
1, can realize locking, functions such as boot are opened in release, and some can have remote control and seek the car function.On the whole, function is fairly simple.
2, have promptings such as lamp dodges or loudspeaker pipe after the straighforward operation success.After if receiving end is received remote keying instruction, vehicle has steering indicating light flicker or loudspeaker and pipes and point out the validity of button.In order to reduce noise pollution, the prompting mode that pipes by loudspeaker is going out of use gradually.Prompting mode by the steering indicating light flicker can be not easy to discover the strong local user of light, and prompting mode lost efficacy.
3, RKE function singleness can not realize that remote control starts on-board air conditioner.And this function improves the users'comfort needs exactly.When vehicle is parked in the open air some in season car internal and external temperature difference bigger, can not feel well when the user initially uses vehicle.By way of example, summer, vehicle was exposed under the sun, and vehicle interior temperature might reach 40～50 ℃, and user's manually opened air-conditioning in car need reduce temperature for a long time, reduced user's comfort level.On the contrary, winter vehicle interior temperature lower, need the long period to give engine prewarming after simultaneously the user starts vehicle.
Summary of the invention
Technical matters to be solved by this invention provides a kind of RKE remote start system and method based on two-way communication, can realize long-range engine start and starting of air conditioner, improves the comfort level of vehicle.
For solving the problems of the technologies described above, the technical scheme that the present invention is based on the RKE remote start system of two-way communication is to comprise:
The RKE key comprises MCU, and described MCU is connected with button, display device, RF signal transmitting and receiving circuit and power circuit;
The RKE transceiver module, comprise control module, described control module is connected with and receives and the RF signal transmitting and receiving unit of the command information that demodulation RKE key is sent, the I/O processing unit that is used for communicating by letter, the power supply processing unit for the power supply of RKE transceiver module, the output driver element of output control signal and the COMM unit that communicates with engine control system, and described transceiver module carries out two-way communication by RF signal transmitting and receiving unit and described RKE key;
Air-conditioning system connects described output driver element, and is started/stopped by described output driver element control;
Engine control system connects described COMM unit, with the two-way communication of described RKE transceiver module, and connects wheel box, gathers the wheel box gear information.
The technical scheme that the present invention is based on the RKE remote start-up method of two-way communication is in turn include the following steps:
Send the starting engine instruction by described RKE key, described RKE transceiver module receives that starting engine instruction back authenticates the RKE key; If authenticate illegally, the RKE transceiver module is shown by the RKE key to the information of RKE key return authentication failure;
If it is legal to authenticate, described engine control system is gathered the wheel box gear information, if the gear of wheel box is not in neutral gear or park, described engine control system returns the information that starts failure by the RKE transceiver module to the RKE key, show by the RKE key, if the gear of wheel box is in neutral gear or park, described engine control system is controlled engine ignition;
The RKE key sends and starts the air-conditioning instruction, and described RKE transceiver module starts described air-conditioning system by the output driver element.
The present invention communicates by letter by the RKE transceiver module is set up with air-conditioning system with engine control system, has realized long-range engine start and starting of air conditioner, improves the comfort level of vehicle.
Description of drawings
The present invention is further detailed explanation below in conjunction with drawings and Examples:
Fig. 1 is the synoptic diagram that the present invention is based on the RKE remote start system of two-way communication;
Fig. 2 is the synoptic diagram that the present invention is based on RKE key in the RKE remote start system of two-way communication;
Fig. 3 is the synoptic diagram that the present invention is based on the RKE remote start system RKE transceiver module of two-way communication;
Fig. 4 is the process flow diagram that the present invention is based on the RKE remote start-up method of two-way communication.
Embodiment
The invention discloses a kind of RKE remote start system,, comprising as Fig. 1～shown in Figure 3 based on two-way communication:
The RKE key comprises MCU, and described MCU is connected with button, display device, RF signal transmitting and receiving circuit and power circuit;
The RKE transceiver module, comprise control module, described control module is connected with and receives and the RF signal transmitting and receiving unit of the command information that demodulation RKE key is sent, the I/O processing unit that is used for communicating by letter, the power supply processing unit for the power supply of RKE transceiver module, the output driver element of output control signal and the COMM unit that communicates with engine control system, and described transceiver module carries out two-way communication by RF signal transmitting and receiving unit and described RKE key;
Air-conditioning system connects described output driver element, and is started/stopped by described output driver element control;
Engine control system connects described COMM unit, with the two-way communication of described RKE transceiver module, and connects wheel box, gathers the wheel box gear information.
Described output driver element is controlled the startup of described air-conditioning system/stop by relay.Because the output power of output driver element is limited, and air-conditioning system is directly to be driven by automobile power source, just can utilize the control of the limited power realization of output driver element to air-conditioning system by relay.
Described engine control system communicates by CAN bus and described COMM unit.
The present invention also provides a kind of RKE remote start-up method based on two-way communication that adopts said system to realize, as shown in Figure 4, in turn includes the following steps:
Send the starting engine instruction by described RKE key, described RKE transceiver module receives that starting engine instruction back authenticates the RKE key; If authenticate illegally, the RKE transceiver module is shown by the RKE key to the information of RKE key return authentication failure;
If it is legal to authenticate, described engine control system is gathered the wheel box gear information, if the gear of wheel box is not in neutral gear or park, described engine control system returns the information that starts failure by the RKE transceiver module to the RKE key, show by the RKE key, if the gear of wheel box is in neutral gear or park, described engine control system is controlled engine ignition;
The RKE key sends and starts the air-conditioning instruction, and described RKE transceiver module starts described air-conditioning system by the output driver element.
After the engine ignition success, described RKE transceiver module sends the information of engine ignition success to described RKE key, is shown by described RKE key.
After the starting of air conditioner success, described RKE transceiver module sends the information of starting of air conditioner success to described RKE key, is shown by described RKE key.
After the starting of air conditioner success, described RKE key sends the instruction that stops air-conditioning, and described RKE transceiver module stops described air-conditioning system by the output driver element.Like this, after the remote activation air-conditioning, when the user does not plan to enter automobile, can be again mode by Remote air-conditioning is stopped.
After air-conditioning quilt stopped, described RKE transceiver module sent the information that air-conditioning stops success to described RKE key, was shown by described RKE key.
After the engine ignition success, described RKE key sends the instruction of engine kill, described RKE transceiver module makes engine kill by described engine control system, if air-conditioning system starts before the engine kill, the RKE transceiver module stops described air-conditioning system by the output driver element, makes engine kill by described engine control system then.After the remote activation engine, when the user does not plan to drive a car, can pass through the mode of Remote with engine kill.Because air-conditioning need be driven by engine, therefore before engine kill, also need air-conditioning is stopped.
Behind the engine kill, described RKE transceiver module sends the information of engine kill success to described RKE key, is shown by described RKE key.
In a specific embodiment of the present invention, press RKE remote activation button after, the RKE key is encrypted key information, ciphering process can adopt the mode of frame hopping to carry out, and improves the security of communication.Information after the encryption is baseband signal, this baseband signal is carried in the RF signal launches then.
The RKE transceiver module at first carries out the signal demodulation after receiving the RF signal that key sends, and gives control module with baseband signal afterwards and decodes.
Remotely controlling vehicle mounted air-conditioning work flow process:
The 1st step: vehicle enters anti-theft modes.Under the situation that all are closed, engine-off, luggage case are closed, key is extracted, door is locked, click locking key, enter anti-theft modes;
The 2nd step: press the remote control start key fast in 5 seconds after entering anti-theft modes, and continue 2 seconds;
The 3rd step: the RKE transceiver module is set up with ECM and is communicated by letter;
The 4th step: the RKE transceiver module carries out two-way authentication as the base station with RKE key information and ECM.This step is the committed step of two-wire safety certification.
The 5th step: detect by ECM whether gear is neutral gear behind RKE key and the ECM authentication success, if condition satisfies, then starting engine enters the remote activation pattern, and the RKE key shows engine start information;
The 6th step: press two seconds of locking key, RKE transceiver module control air-conditioning system starts, simultaneously with the starting of air conditioner information feedback to the RKE key.
If more than any one-step conditions of six steps do not satisfy, then withdraw from RKE remote start system program, simultaneously failure information is fed back to the RKE key.
In sum, the present invention communicates by letter by the RKE transceiver module is set up with air-conditioning system with engine control system, on the basis that has guaranteed security, has realized long-range engine start and starting of air conditioner, improves the comfort level of vehicle.
Claims (10)
1. the RKE remote start system based on two-way communication is characterized in that, comprising:
The RKE key comprises MCU, and described MCU is connected with button, display device, RF signal transmitting and receiving circuit and power circuit;
The RKE transceiver module, comprise control module, described control module is connected with and receives and the RF signal transmitting and receiving unit of the command information that demodulation RKE key is sent, the I/O processing unit that is used for communicating by letter, the power supply processing unit for the power supply of RKE transceiver module, the output driver element of output control signal and the COMM unit that communicates with engine control system, and described transceiver module carries out two-way communication by RF signal transmitting and receiving unit and described RKE key;
Air-conditioning system connects described output driver element, and is started/stopped by described output driver element control;
Engine control system connects described COMM unit, with the two-way communication of described RKE transceiver module, and connects wheel box, gathers the wheel box gear information.
2. the RKE remote start system based on two-way communication according to claim 1 is characterized in that, described output driver element is controlled the startup of described air-conditioning system/stop by relay.
3. the RKE remote start system based on two-way communication according to claim 1 is characterized in that, described engine control system communicates by CAN bus and described COMM unit.
4. any RKE remote start-up method based on two-way communication that described system realizes of employing such as claim 1～3 is characterized in that, in turn includes the following steps:
Send the starting engine instruction by described RKE key, described RKE transceiver module receives that starting engine instruction back authenticates the RKE key; If authenticate illegally, the RKE transceiver module is shown by the RKE key to the information of RKE key return authentication failure;
If it is legal to authenticate, described engine control system is gathered the wheel box gear information, if the gear of wheel box is not in neutral gear or park, described engine control system returns the information that starts failure by the RKE transceiver module to the RKE key, show by the RKE key, if the gear of wheel box is in neutral gear or park, described engine control system is controlled engine ignition;
The RKE key sends and starts the air-conditioning instruction, and described RKE transceiver module starts described air-conditioning system by the output driver element.
5. the RKE remote start-up method based on two-way communication according to claim 4 is characterized in that, after the engine ignition success, described RKE transceiver module sends the information of engine ignition success to described RKE key, is shown by described RKE key.
6. the RKE remote start-up method based on two-way communication according to claim 4 is characterized in that, after the starting of air conditioner success, described RKE transceiver module sends the information of starting of air conditioner success to described RKE key, is shown by described RKE key.
7. the RKE remote start-up method based on two-way communication according to claim 4 is characterized in that, after the starting of air conditioner success, described RKE key sends the instruction that stops air-conditioning, and described RKE transceiver module stops described air-conditioning system by the output driver element.
8. the RKE remote start-up method based on two-way communication according to claim 7 is characterized in that, after air-conditioning quilt stopped, described RKE transceiver module sent the information that air-conditioning stops success to described RKE key, was shown by described RKE key.
9. the RKE remote start-up method based on two-way communication according to claim 4, it is characterized in that, after the engine ignition success, described RKE key sends the instruction of engine kill, described RKE transceiver module makes engine kill by described engine control system, if air-conditioning system starts before the engine kill, the RKE transceiver module stops described air-conditioning system by the output driver element, makes engine kill by described engine control system then.
10. the RKE remote start-up method based on two-way communication according to claim 4 is characterized in that, behind the engine kill, described RKE transceiver module sends the information of engine kill success to described RKE key, is shown by described RKE key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910201774 CN102054342B (en) | 2009-11-09 | 2009-11-09 | Two-way communication-based RKE remote startup system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910201774 CN102054342B (en) | 2009-11-09 | 2009-11-09 | Two-way communication-based RKE remote startup system |
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| CN102054342A true CN102054342A (en) | 2011-05-11 |
| CN102054342B CN102054342B (en) | 2013-03-27 |
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| CN 200910201774 Expired - Fee Related CN102054342B (en) | 2009-11-09 | 2009-11-09 | Two-way communication-based RKE remote startup system |
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Cited By (7)
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| CN103144606A (en) * | 2013-03-26 | 2013-06-12 | 陈慧君 | Remote starting method for automobile |
| CN103192798A (en) * | 2013-03-26 | 2013-07-10 | 广州市雄兵汽车电器有限公司 | Intelligent key starting method |
| CN104670212A (en) * | 2013-12-02 | 2015-06-03 | 福特全球技术公司 | Engine ignition-transmission shift interlock |
| CN105416001A (en) * | 2015-11-05 | 2016-03-23 | 东风汽车公司 | Remote-control start method for vehicle |
| CN105818766A (en) * | 2016-04-29 | 2016-08-03 | 大连楼兰科技股份有限公司 | System and method for controlling vehicle through way of inserting key |
| CN108303913A (en) * | 2017-01-13 | 2018-07-20 | 法雷奥汽车内部控制（深圳）有限公司 | Vehicle control system |
| CN108327480A (en) * | 2018-01-11 | 2018-07-27 | 北京长城华冠汽车技术开发有限公司 | The long-range method for starting air conditioning for automobiles and the long-range system for starting air conditioning for automobiles |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103144606A (en) * | 2013-03-26 | 2013-06-12 | 陈慧君 | Remote starting method for automobile |
| CN103192798A (en) * | 2013-03-26 | 2013-07-10 | 广州市雄兵汽车电器有限公司 | Intelligent key starting method |
| CN104670212A (en) * | 2013-12-02 | 2015-06-03 | 福特全球技术公司 | Engine ignition-transmission shift interlock |
| CN104670212B (en) * | 2013-12-02 | 2019-06-11 | 福特全球技术公司 | Engine ignition-gearbox shifting interlocking |
| CN105416001A (en) * | 2015-11-05 | 2016-03-23 | 东风汽车公司 | Remote-control start method for vehicle |
| CN105818766A (en) * | 2016-04-29 | 2016-08-03 | 大连楼兰科技股份有限公司 | System and method for controlling vehicle through way of inserting key |
| CN105818766B (en) * | 2016-04-29 | 2018-06-26 | 大连楼兰科技股份有限公司 | The system and method for vehicle is controlled in a manner of slotting key |
| CN108303913A (en) * | 2017-01-13 | 2018-07-20 | 法雷奥汽车内部控制（深圳）有限公司 | Vehicle control system |
| CN108327480A (en) * | 2018-01-11 | 2018-07-27 | 北京长城华冠汽车技术开发有限公司 | The long-range method for starting air conditioning for automobiles and the long-range system for starting air conditioning for automobiles |
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| CN102054342B (en) | 2013-03-27 |
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Application publication date: 20110511 Assignee: United Automobile Electronic Systems Co., Ltd. Assignor: Lianchuang Auto Electronic Co., Ltd. Contract record no.: 2012990000826 Denomination of invention: Two-way communication-based RKE remote startup system and method License type: Exclusive License Record date: 20121112 |
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Granted publication date: 20130327 Termination date: 20191109 |