CN103770741A - Passive entry passive start and tire pressure monitoring system - Google Patents
Passive entry passive start and tire pressure monitoring system Download PDFInfo
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- CN103770741A CN103770741A CN201210410195.8A CN201210410195A CN103770741A CN 103770741 A CN103770741 A CN 103770741A CN 201210410195 A CN201210410195 A CN 201210410195A CN 103770741 A CN103770741 A CN 103770741A
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Abstract
The invention discloses a passive entry passive start and tire pressure monitoring system which comprises a TPM-PEPS controller, a portable wireless device, a vehicle body controller, an engine starting/stopping button, a tire pressure sensor, an engine anti-theft controller and a low-frequency antenna. The TPM-PEPS controller can send detection information to the portable wireless device, open/close a door lock through the vehicle body controller, detect the state of the engine starting/stopping button, send inquiry signals to the portable wireless device, control, through the vehicle body controller, a trunk to be unlocked according to the state of the engine staring/stopping button and feedback signals of the portable wireless device, enable an engine to be unlocked through the engine anti-theft controller, send out inquiry signals to the tire pressure sensor through the low-frequency antenna, receive high-frequency signals fed back by the tire pressure sensor, and send tire state information to vehicle instruments through a bus. Compared with a passive entry passive start (PEPS) system and a tire pressure monitoring system (TPM) which are respectively arranged, the passive entry passive start and tire pressure monitoring system can reduce the hardware manufacturing cost.
Description
Technical field
The present invention relates to vehicle electric field, particularly relate to one and enter and start and tire pressure monitoring system without key.
Background technology
Vehicle passive keyless enters with startup system (PEPS) can be responded to the automatic opening vehicle door lock of Intelligent key that car owner carries and can automatically terminate electronic burglary protection system of engine after car owner enters vehicle, thereby without using key just can start vehicle.Tire pressure monitoring system (TPMS) is arranged on vehicle for the information about tire state is offered to the passenger on vehicle as the data message such as tire pressure, temperature, thereby improve the safety of running car, and can reduce because of not enough tire accelerated wear test and the Fuel consumption causing of air pressure.
Enter and the function that starts (PEPS) and tire pressure monitoring (TPM) in order to realize without key, general way is to utilize special TPM system and special PEPS system to realize at present.Therefore, have larger hardware redundancy, and special module hardware cost is high, causes the wasting of resources.
Summary of the invention
The technical problem to be solved in the present invention be to provide a kind of have without key enter and start and the system of tire pressure monitoring function, compare set up respectively without key enter with start (PEPS) system and tire pressure monitoring system (TPM) can reduce hardware manufacturing cost.
For solving the problems of the technologies described above, of the present inventionly enter and start and tire pressure monitoring system without key, comprising: TPM-PEPS controller, portable wireless device (Intelligent key using as automobile etc. can send the portable equipment of wireless signal), car body controller, engine starting/stop button, tyre pressure sensor, engine anti-theft controller and low-frequency antenna;
TPM-PEPS controller can send detection information to portable wireless device, by car body controller On/Off door lock; Can detect the starting state of engine starting/stop button, can send interrogation signal to portable wireless device, can, according to the starting state of engine starting/stop button and portable wireless device feedback signal by the release of car body controller control boot, make driving engine release by engine anti-theft controller; Can send interrogation signal to tyre pressure sensor by low-frequency antenna, can receive the high-frequency signal of tyre pressure sensor feedback, send tire condition information by bus to auto meter.
Described TPM-PEPS controller comprises: power transfer module circuit, microcontroller, low-frequency antenna driver module circuit, Receiver Module circuit, the first bus communication module circuit, the second bus communication module circuit; Wherein, outside input supply voltage is converted to the required voltage of the normal work of each modular circuit by power transfer module circuit; Microcontroller sends control command to low-frequency antenna driver module circuit, to drive external low frequency sky alignment tyre pressure sensor or portable wireless device to send inquiry information; Receiver Module circuit, by the external radio frequency demodulates information receiving, is then transferred to microcontroller by restituted signal, and microcontroller becomes baseband signal by this signal decoding again, the information of sending to identify outside tyre pressure sensor or portable wireless device; Microcontroller judges the information of receiving, and in bus, sends data message by the first bus communication module circuit or the second bus communication module circuit.
This system comprises 7 low-frequency antennas, is arranged on respectively 4 tire places, main driving door place, copilot door place and main driving position.
Described TPM/PEPS controller can be configured to TPM pattern and PEPS work pattern, and described TPM/PEPS controller can automatically switch according to the time period of setting between PEPS pattern and TPM pattern.
Described TPM/PEPS controller the first setting-up time section is configured to PEPS pattern, TPM/PEPS controller sends interrogation signal by near the low-frequency antenna being arranged on car door to described portable wireless device under this mode of operation, after detecting interrogation signal, described portable wireless device, by high frequency, key signal is sent to described TPM/PEPS controller, described TPM/PEPS controller receives high-frequency signal, and judge that whether this key signal is legal, if legal, send door lock to car body controller and open request signal.When described TPM/PEPS controller receives after car body controller returns to the signal that door lock opened, start to detect the state of described start/stop button, in the time that start/stop button is halted state, TPM/PEPS controller sends interrogation signal by near the low-frequency antenna timing being arranged on right back and left rear tire to portable wireless device, after TPM/PEPS controller is received the key signal of portable wireless device, send boot unlocking signal to car body controller.In the time that start/stop button is starting state, send interrogation signal by the low-frequency antenna being arranged in car to described portable wireless device, to confirm portable wireless device into the car, send and remove engine lock stop signal to Motronic control maps anti-theft controller afterwards, after engine locking is removed, described TPM/PEPS controller sends Engine Start Signal to engine management system.
Described TPM/PEPS controller the second setting-up time section is configured to TPM pattern, under this mode of operation, TPM/PEPS controller sends interrogation signal by low-frequency antenna to the tyre pressure sensor being arranged in tire, after described tyre pressure sensor receives interrogation signal, send corresponding tire condition information by high frequency, described TPM/PEPS controller receives high-frequency signal, and sends tire condition information by bus to parts such as auto meters.
Of the present invention enter that starting compares with tire pressure monitoring system and set up respectively without key without key enter with start (PEPS) system and tire pressure monitoring system (TPM) can reduce hardware manufacturing cost.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and the specific embodiment, the present invention is further detailed explanation:
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the structural representation of TPM-PEPS controller one embodiment of the present invention.
Description of reference numerals
The 11st, TPM-PEPS controller
11-1 is power transfer module circuit
11-2 is microcontroller
11-3 is low-frequency antenna driver module circuit
11-4 is Receiver Module circuit
11-5 the first bus communication module circuit
11-6 the second bus communication module circuit
12-1 ~ 12-4 is tyre pressure sensor
The 13rd, portable wireless device
The 14th, engine anti-theft controller
The 15th, engine starting/stop button
16-1 ~ 16-7 is low-frequency antenna
The 17th, car body controller
The 18th, CAN bus
The specific embodiment
As shown in Figure 1, the Intelligent key that TPM-PEPS controller 11, portable wireless device 13(use as automobile etc. can send the portable equipment of wireless signal), car body controller 17, engine starting/stop button 15, tyre pressure sensor 12-1 ~ 12-4, engine anti-theft controller 14 and low-frequency antenna 16-1 ~ 16-7;
TPM-PEPS controller 11 can send detection information to portable wireless device 13, by car body controller 17 On/Off door locks; Can detect the starting state of engine starting/stop button 15, can send interrogation signal to portable wireless device 13 by low-frequency antenna 16-1,16-2,16-7, can control boot release by car body controller 17 according to the starting state of engine starting/stop button 15 and portable wireless device 13 feedback signals, make driving engine release by engine anti-theft controller 14; Can send interrogation signal to tyre pressure sensor 12-1 ~ 124 by low-frequency antenna 16-3 ~ 16-6, can receive the high-frequency signal of tyre pressure sensor 12-1 ~ 12-4 feedback, send tire condition information by CAN bus 18 to auto meter.
As shown in Figure 2, described TPM-PEPS controller comprises: power transfer module circuit 11-1, microcontroller 11-2, low-frequency antenna driver module circuit 11-3, Receiver Module circuit 11-4, the first bus communication module circuit 11-5, the second bus communication module circuit 11-6; Wherein, outside input supply voltage is converted to the required voltage of the normal work of each modular circuit by power transfer module circuit 11-1; Microcontroller 11-2 sends control command to low-frequency antenna driver module circuit 11-3, to drive external low frequency antenna 16-3 ~ 16-6 to send inquiry information to tyre pressure sensor 12-1 ~ 12-4 or portable wireless device 13; Receiver Module circuit 11-4 is by the external radio frequency demodulates information receiving, then restituted signal is transferred to microcontroller 11-2, microcontroller 11-2 becomes baseband signal by this signal decoding again, the information of sending to identify outside tyre pressure sensor 12-1 ~ 12-4 or portable wireless device 13; Microcontroller 11-2 judges the information of receiving, and in bus, sends data message by the first bus communication module circuit 11-5 or the second bus communication module circuit 11-6.
In the present embodiment, comprise 7 low-frequency antenna 16-1 ~ 16-7, be arranged on respectively 4 16-3 ~ 16-6 of tire place, the main driving door 16-1 of place, the copilot door 16-2 of place and main driving position 16-7, described TPM/PEPS controller can be configured to TPM pattern and PEPS work pattern, and described TPM/PEPS controller can automatically switch according to the time period of setting between PEPS pattern and TPM pattern.
Below through the specific embodiment and the embodiment the present invention is had been described in detail, but these are not construed as limiting the invention.Without departing from the principles of the present invention, those skilled in the art also can make many distortion and improvement, and these also should be considered as protection scope of the present invention.
Claims (4)
1. enter and start and a tire pressure monitoring system without key, it is characterized in that, comprising: TPM-PEPS controller, portable wireless device, car body controller, engine starting/stop button, tyre pressure sensor, engine anti-theft controller and low-frequency antenna;
TPM-PEPS controller can send detection information to portable wireless device, by car body controller On/Off door lock; Can detect the starting state of engine starting/stop button, can send interrogation signal to portable wireless device, can, according to the starting state of engine starting/stop button and portable wireless device feedback signal by the release of car body controller control boot, make driving engine release by engine anti-theft controller; Can send interrogation signal to tyre pressure sensor by low-frequency antenna, can receive the high-frequency signal of tyre pressure sensor feedback, send tire condition information by bus to auto meter.
As claimed in claim 1 without key enter start and tire pressure monitoring system, it is characterized in that: described TPM-PEPS controller comprises: power transfer module circuit, microcontroller, low-frequency antenna driver module circuit, Receiver Module circuit, the first bus communication module circuit, the second bus communication module circuit; Wherein, outside input supply voltage is converted to the required voltage of the normal work of each modular circuit by power transfer module circuit; Microcontroller sends control command to low-frequency antenna driver module circuit, to drive external low frequency sky alignment tyre pressure sensor or portable wireless device to send inquiry information; Receiver Module circuit, by the external radio frequency demodulates information receiving, is then transferred to microcontroller by restituted signal, and microcontroller becomes baseband signal by this signal decoding again, the information of sending to identify outside tyre pressure sensor or portable wireless device; Microcontroller judges the information of receiving, and in bus, sends data message by the first bus communication module circuit or the second bus communication module circuit.
As claimed in claim 2 without key enter start and tire pressure monitoring system, it is characterized in that: comprise 7 low-frequency antennas, be arranged on respectively 4 tire places, main driving door place, copilot door place and main driving position.
As claimed in claim 1 without key enter start and tire pressure monitoring system, it is characterized in that: described TPM/PEPS controller can be configured to TPM pattern and PEPS work pattern, described TPM/PEPS controller can automatically switch according to the time period of setting between PEPS pattern and TPM pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210410195.8A CN103770741A (en) | 2012-10-24 | 2012-10-24 | Passive entry passive start and tire pressure monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210410195.8A CN103770741A (en) | 2012-10-24 | 2012-10-24 | Passive entry passive start and tire pressure monitoring system |
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| CN103770741A true CN103770741A (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210410195.8A Pending CN103770741A (en) | 2012-10-24 | 2012-10-24 | Passive entry passive start and tire pressure monitoring system |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106033196A (en) * | 2015-03-11 | 2016-10-19 | 天津圣纳科技有限公司 | Power controller of electric vehicle |
| CN106042793A (en) * | 2016-07-26 | 2016-10-26 | 金龙联合汽车工业（苏州）有限公司 | Integrated tire pressure intelligent detection system |
| CN106338984A (en) * | 2016-10-31 | 2017-01-18 | 中国第汽车股份有限公司 | Automatic test system and device for passive entry passive start (PEPS) bus signal |
| CN106444518A (en) * | 2016-11-01 | 2017-02-22 | 铁将军汽车电子有限公司 | Vehicle control integrated circuit and control method thereof |
| CN106739861A (en) * | 2017-01-20 | 2017-05-31 | 东南（福建）汽车工业有限公司 | A kind of tire pressure detection control system for being integrated in PEPS system |
| CN107791756A (en) * | 2017-11-17 | 2018-03-13 | 东南（福建）汽车工业有限公司 | Integrated PEPS system for monitoring pressure in tyre coupling learning device and method |
| CN108781088A (en) * | 2016-03-14 | 2018-11-09 | 株式会社自动网络技术研究所 | Communication system and communication device |
| CN108860060A (en) * | 2018-06-04 | 2018-11-23 | 广东合微集成电路技术有限公司 | Intelligent tire system, which combines, exempts from the method that key system finding key button bit is set |
| CN109664691A (en) * | 2017-10-13 | 2019-04-23 | 江铃汽车股份有限公司 | A kind of TPMS self-learning method |
| CN109808614A (en) * | 2019-01-30 | 2019-05-28 | 深圳市赛格车圣科技有限公司 | Vehicle body domain controller and automobile |
| CN111688420A (en) * | 2019-03-14 | 2020-09-22 | 比亚迪股份有限公司 | Vehicle control method and device, vehicle controller and vehicle |
| CN111770843A (en) * | 2018-02-27 | 2020-10-13 | 法国大陆汽车公司 | System and method for detecting operation of an engine of a motor vehicle |
| CN114056014A (en) * | 2021-09-23 | 2022-02-18 | 合众新能源汽车有限公司 | Frequency conversion signal processing method for vehicle-mounted detection antenna |
-
2012
- 2012-10-24 CN CN201210410195.8A patent/CN103770741A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106033196A (en) * | 2015-03-11 | 2016-10-19 | 天津圣纳科技有限公司 | Power controller of electric vehicle |
| CN108781088A (en) * | 2016-03-14 | 2018-11-09 | 株式会社自动网络技术研究所 | Communication system and communication device |
| CN106042793A (en) * | 2016-07-26 | 2016-10-26 | 金龙联合汽车工业（苏州）有限公司 | Integrated tire pressure intelligent detection system |
| CN106338984A (en) * | 2016-10-31 | 2017-01-18 | 中国第汽车股份有限公司 | Automatic test system and device for passive entry passive start (PEPS) bus signal |
| CN106338984B (en) * | 2016-10-31 | 2019-03-12 | 中国第一汽车股份有限公司 | A kind of keyless access system (PEPS) bus signals automatization test system and device |
| CN106444518A (en) * | 2016-11-01 | 2017-02-22 | 铁将军汽车电子有限公司 | Vehicle control integrated circuit and control method thereof |
| CN106739861A (en) * | 2017-01-20 | 2017-05-31 | 东南（福建）汽车工业有限公司 | A kind of tire pressure detection control system for being integrated in PEPS system |
| CN109664691A (en) * | 2017-10-13 | 2019-04-23 | 江铃汽车股份有限公司 | A kind of TPMS self-learning method |
| CN107791756A (en) * | 2017-11-17 | 2018-03-13 | 东南（福建）汽车工业有限公司 | Integrated PEPS system for monitoring pressure in tyre coupling learning device and method |
| CN111770843A (en) * | 2018-02-27 | 2020-10-13 | 法国大陆汽车公司 | System and method for detecting operation of an engine of a motor vehicle |
| CN108860060A (en) * | 2018-06-04 | 2018-11-23 | 广东合微集成电路技术有限公司 | Intelligent tire system, which combines, exempts from the method that key system finding key button bit is set |
| CN109808614A (en) * | 2019-01-30 | 2019-05-28 | 深圳市赛格车圣科技有限公司 | Vehicle body domain controller and automobile |
| CN111688420A (en) * | 2019-03-14 | 2020-09-22 | 比亚迪股份有限公司 | Vehicle control method and device, vehicle controller and vehicle |
| CN111688420B (en) * | 2019-03-14 | 2022-10-18 | 比亚迪股份有限公司 | Vehicle control method and device, vehicle controller and vehicle |
| CN114056014A (en) * | 2021-09-23 | 2022-02-18 | 合众新能源汽车有限公司 | Frequency conversion signal processing method for vehicle-mounted detection antenna |
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Application publication date: 20140507 |
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