CN102463857B - Apparatus for recognizing position sensor in tire pressure monitoring system and method thereof - Google Patents
Apparatus for recognizing position sensor in tire pressure monitoring system and method thereof Download PDFInfo
- Publication number
- CN102463857B CN102463857B CN201110331679.9A CN201110331679A CN102463857B CN 102463857 B CN102463857 B CN 102463857B CN 201110331679 A CN201110331679 A CN 201110331679A CN 102463857 B CN102463857 B CN 102463857B
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- Prior art keywords
- mentioned
- wake
- sensor
- starter
- tpms
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
- B60C23/0422—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver characterised by the type of signal transmission means
- B60C23/0433—Radio signals
- B60C23/0435—Vehicle body mounted circuits, e.g. transceiver or antenna fixed to central console, door, roof, mirror or fender
- B60C23/0445—Means for changing operating mode, e.g. sleep mode, factory mode or energy saving mode
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
- B60C23/0422—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver characterised by the type of signal transmission means
- B60C23/0433—Radio signals
- B60C23/0447—Wheel or tyre mounted circuits
- B60C23/0455—Transmission control of wireless signals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
- B60C23/0471—System initialisation, e.g. upload or calibration of operating parameters
- B60C23/0472—System initialisation, e.g. upload or calibration of operating parameters to manually allocate ID codes or mounting positions, e.g. by service technicians
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Measuring Fluid Pressure (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention relates to an apparatus for recognizing position sensor in a tire pressure monitoring system and a method thereof. A TPMS sensor equipped with an LF starter and two LF antennas is utilized for recognizing a sensor position in a short time. The connection wiring of the LF starter is simple and less LF starters help to save the cost of equipment. Moreover, no accelerometer is needed by the TPMS sensor. Through the two LF antennas for position recognization, the position can be recognized in a short time when a vehicle is not running.
Description
Technical field
The present invention relates to a kind of sensor station identification and method thereof of tire pressure monitoring system, be utilize the TPMS sensor with a LF starter and two LF electric wires specifically, in the short time, detect sensor station recognizer and the method thereof of the tire pressure monitoring system of sensor station.
Background technology
General tire pressure monitoring system (TPMS: Tire Pressure Monitoring System, hereinafter referred to as ' TPMS ') utilizes the tire condition that automobile is installed to inform driver, to reach trouble-saving object.
The TPMS center be arranged on tire is that the information of tire condition is sent to the TPMS control part that vehicle is installed, and after receiving each tire condition by this control part, display or the sound that gives a warning on automobile instrument panel, to inform driver.
TPMS sensor utilizes frequency of radio (RF), transmits the data such as tire pressure status, tyre temperature, sensor ID.
Now TPMS sensor is not be in activation (Activation) state all the time, but is just activated by specific condition or external command.
The TPMS control part that vehicle is installed correctly should record ID and the position of the TPMS sensor that tire is installed, and driver could be informed in the tram of tire and state.
Above-mentioned technology refers to the technical field of the invention background technology, is not conventional art.
TPMS system, when starting to drive, identifies because having LF starter (Low Frequency Initiator) the TPMS sensor that each tire is installed respectively.This LF starter is under the control of TPMS control part, to each TPMS sensor with intrinsic ID, send Wake up signal, and receive the intrinsic ID of each TPMS sensor transmission and corresponding tire information, send TPMS control part to, by TPMS control part identification sensor position.
TPMS sensor utilizes the inner twin-axis accelerometer installed, and detects the position that left and right vehicle wheel is installed, and utilizes radio frequency to transmit left and right sides information to TPMS control part.Then, after the ID of TPMS sensor is divided into left and right group by TPMS control part, the difference of the radio frequency power on the antero posterior axis utilizing each wheel to send, by the TPMS sensor ID of dividing into groups to the left and right, detects sensor station by the method that front and back are distinguished.
But as mentioned above, LF starter used, time corresponding respectively with the TPMS sensor that each tire is arranged, not only increases system cost, the problem that the distribution that is connected with LF starter is more complicated also can be caused.Use twin-axis accelerometer, then tracing positional while needing vehicle to travel for a long time and there is the longer problem of the required time of identification sensor.
Summary of the invention
The present invention is the sensor station recognizer and the method thereof that provide a kind of system for monitoring pressure in tyre for improving the problems referred to above, utilizes the TPMS sensor possessing a LF starter and two LF antennas, detects the position of sensor at short notice.
The sensor station recognizer of the side system for monitoring pressure in tyre that the present invention relates to is installed on amesiality place in vehicle central front and back, and comprising wake up signal part is high output and the low LF starter (Low Frequency Initiator) exporting transmission; There is two LF antennas (Low Frequency Antenna) and intrinsic ID and be installed on respectively on wheel, receiving by two LF antennas the Wake up signal sent from LF starter and analyzed TPMS (the Tire Pressure Monitoring System) sensor that phase difference carries out identifying rear transmission left and right identifying information, intrinsic ID and tire information; Export control command control Wake up signal to LF starter and be divided into high to export and after low output sends, by identifying the TPMS control part of TPMS sensor station respectively from the left and right identifying information of TPMS sensor input and intrinsic ID.
Described TPMS control part and the feature of LF starter are to be connected with LIN (Local Interconnection Network) communication or CAN (Controller Area Network) communication.
The sensor station recognition methods of the system for monitoring pressure in tyre of another aspect of the present invention realizes according to the following steps: the first step, control LF starter (Low Frequency Initiator), exports Wake up signal with low electric power; Second step, Wake up signal exported with low electric power after, by the TPMS sensor left and right identifying information that receives and intrinsic ID, identify left and right sides, then identify position, front and back; 3rd step, control LF starter, export the high electric power of Wake up signal; 4th step, Wake up signal exported with high electric power after, identify left and right sides by the left and right identifying information of TPMS sensor and intrinsic ID, then identify position, front and back.
The feature of described second step and second step is that LF starter decides according to set position.
As mentioned above, the present invention utilizes the TPMS sensor possessing LF starter and two LF antennas, at short notice an identification sensor position, has both simplified the distribution with LF starter, and has saved cost needed for equipment less again with LF starter.
Described TPMS sensor does not use accelerometer, is by two LF antenna recognizing sites, can recognizing site under the state that do not travel of vehicle at short notice.
Accompanying drawing explanation
Fig. 1 is the structural representation of the apparatus for recognizing position sensor in tire pressure monitoring system of the embodiment of the present invention.
Fig. 2 is LF starter and the TPMS sensor left and right status recognition instruction diagram of the apparatus for recognizing position sensor in tire pressure monitoring system application of the embodiment of the present invention.
Fig. 3 is the description of flow diagram of the sensor station recognition methods of the system for monitoring pressure in tyre of the embodiment of the present invention.
Nomenclature
10: vehicle 20: wheel
30: LF starter 40: TPMS sensor
50: TPMS control part.
Detailed description of the invention
An embodiment in the apparatus for recognizing position sensor in tire pressure monitoring system and method thereof that the present invention relates to is described according to institute's accompanying drawing below.In the process, graphic line or thickness or constituent element size etc. on accompanying drawing, for illustrating distincter and conveniently, can exaggerating to some extent.Below describe term be the term considered function of the present invention and define, can depart to some extent user, operator intention or use convention.Therefore, for these terms, should define based on the overall content in this specification sheets.
Fig. 1 is the structural representation of the apparatus for recognizing position sensor in tire pressure monitoring system that the embodiment of the present invention relates to, and Fig. 2 is the instruction diagram about LF starter and TPMS sensor left and right status recognition of the sensor recognizer application of the system for monitoring pressure in tyre that the embodiment of the present invention relates to.
As shown in Figure 1, the embodiment of the present invention relates to apparatus for recognizing position sensor in tire pressure monitoring system and comprises TPMS sensor 40 and the TPMS control part 50 that has LF starter 30, two LF antennas 45.
LF starter 30 be arranged on vehicle 10 central front and back and be partial to certain side, send high output and the Wake up signal of low output.
In the embodiment of the present invention as shown in Figure 1, LF starter 30 is arranged at the central authorities of vehicle 10, and is partial to front.
TPMS sensor 40 as shown in Figure 2, there is two parallel LF antennas 45 and intrinsic ID, and be arranged on wheel 20 respectively, the Wake up signal of LF starter output is received by LF antenna 45, after analyzing its phase difference, identify left and right, then transmit left and right identifying information and intrinsic ID and tire information.
It is as shown in Figure 2 that left and right identifies, LF starter 30 sends Wake up signal, then for line of force direction, same magnetic field, two antennas 45 be arranged on the TPMS sensor of vehicle 10 left and right sides are in contrary position.As mentioned above, for line of force direction, magnetic field, two LF antennas 45 are in opposite location and Wake up Signal analysis are become the abnormal signal of 180 degree, change polarity of voltage, thus make TPMS sensor 40 identify left and right.
TPMS control part 50 and LF starter 30 to be communicated by LIN (Local Interconnection Network) or CAN (Controller Area Network) communicates to connect, export control command to LF starter 30, control Wake up signal superpower or low power export.After this by respectively from the left and right identifying information that TPMS sensor 40 is input to and intrinsic ID, the position of TPMS sensor 40 is identified.
In other words, LF starter 30 exports lower powered Wake up signal, be then waken up at LF starter front TPMS sensor nearby and send left and right identifying information and intrinsic ID, and then identifies the position identifying TPMS sensor 40.
On the contrary, LF starter 30 output high-power Wake up, be then waken up at LF starter 30 remote rear TPMS sensor 40 and send left and right identifying information and intrinsic ID, and then identifying the position of rear TPMS sensor 40.
As mentioned above, low power and high-power Wake up signal is exported by a LF starter 30, identify the forward and backward side of TPMS sensor 40 correspondingly, and pass through the phase difference of the Wake up signal that two LF antennas 45 identify, identify left and right, thus detect the sensor station of the TPMS sensor 40 of system for monitoring pressure in tyre.
For the recognition methods of the sensor station of the system for monitoring pressure in tyre so formed, the sensor station recognition methods diagram of circuit of the embodiment of the present invention system for monitoring pressure in tyre according to Fig. 3 is described as follows.
In the present embodiment, LF starter 30 as shown in Figure 1, is arranged at vehicle central and is partial to front, and TMPS sensor 40 as shown in Figure 2, arranges two parallel LF antennas 45.
First control LF starter 30 exports lower powered Wake up signal (S10).
After LF starter 30 exports low power Wake up signal, be waken up with LF starter 30 in-plant front TPMS sensor 40, and by two LF antennas 45, comparing phase difference, after identifying left and right sides, sending left and right sides information and intrinsic ID and tire information.
Then received by TPMS control part 50, identify position (S20) (S30) of front TPMS sensor 40.
Then control LF starter 30 output high-power Wake up signal (S40).
As mentioned above, after LF starter 30 output high-power Wake up signal, be also waken up with LF starter 30 remote rear TPMS sensor 40, by two LF antennas 45, relatively after phase difference, identify left and right sides, and send left and right sides information, intrinsic ID and tire information.
Then received by TPMS control part 50, identify rear TPMS sensor 40 position (S50) (S60), front TPMS sensor 40 signal be identified then is ignored.
As mentioned above, the electric field intensity of the Wake up signal of LF starter 30 is adjusted to low power and high-power output, identify front and rear, and utilize the phase difference of the Wake up signal received by two LF antennas 45 to identify left and right, and then identify the position of TPMS sensor 40 by a LF starter 30 and two LF antennas 45.
As above illustrated embodiment describes the present invention with reference to the accompanying drawings, but this is only limitted to an example, the Conventional wisdom in GPRS field belonging to technology then, can understand and also can implement a lot of distortion and same embodiment.Therefore technical protection scope of the present invention should define according in following Claims scope.
Claims (4)
1. an apparatus for recognizing position sensor in tire pressure monitoring system, containing being arranged at vehicle central and being partial to the LF starter (Low Frequency Initiator) of the side of front and back, output high-power, low power wake-up (Wake up) signal;
There is two LF antennas (Low Frequency Antenna) and intrinsic ID and be arranged at the TPMS(Tire Pressure Monitoring System on vehicle respectively) sensor, that is sent by above-mentioned LF starter above-mentionedly wakes (Wake up) signal up, received by above-mentioned LF antenna, analyze its phase difference, after identifying left and right, send left and right identifying information, above-mentioned intrinsic ID and tire information;
TPMS controller, control command is sent to above-mentioned LF starter, control above-mentioned (Wake up) signal that wakes up to send with superpower or low power, by the above-mentioned left and right identifying information that is input to from above-mentioned TPMS sensor respectively and above-mentioned intrinsic ID, identify the position of TPMS sensor.
2. apparatus for recognizing position sensor in tire pressure monitoring system according to claim 1, it is characterized in that, above-mentioned TPMS controller and above-mentioned LF starter are connected by LIN (Local Interconnection Network) communication or CAN (Controller Area Network).
3. the sensor station recognition methods of a system for monitoring pressure in tyre, it is characterized in that, four steps are divided into implement, first step is control LF starter (Low Frequency Initiator), export low power wake-up (Wake up) signal, second step be by wake up (Wake up) signal low power export after, by TPMS(Tire Pressure Monitoring System) the left and right identifying information of sensor and intrinsic ID, identify left and right sides, and then identify position, front and back, third step controls above-mentioned LF starter, (Wake up) signal high-power output is waken up by above-mentioned, 4th step be by above-mentioned wake (Wake up) signal high-power output up after, by the left and right identifying information of TPMS sensor that receives and intrinsic ID, identify left and right sides, and then identify position, front and back.
4. the sensor station recognition methods of system for monitoring pressure in tyre according to claim 3, is characterized in that, the second step of position, above-mentioned identification front and back and third step are determining positions set by above-mentioned LF starter.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2010-0115048 | 2010-11-18 | ||
| KR1020100115048A KR101670803B1 (en) | 2010-11-18 | 2010-11-18 | Apparatus for recognizing position sensor in tire pressure monitoring system and method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102463857A CN102463857A (en) | 2012-05-23 |
| CN102463857B true CN102463857B (en) | 2015-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110331679.9A Active CN102463857B (en) | 2010-11-18 | 2011-10-27 | Apparatus for recognizing position sensor in tire pressure monitoring system and method thereof |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101670803B1 (en) |
| CN (1) | CN102463857B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104553635A (en) * | 2013-10-29 | 2015-04-29 | 上海保隆汽车科技股份有限公司 | Two-way communication tire pressure monitoring system |
| CN105774425A (en) * | 2014-12-24 | 2016-07-20 | 车王电子(宁波)有限公司 | Tire pressure monitoring system capable of automatic definition of tire position and tire pressure monitoring method |
| JP6507675B2 (en) * | 2015-01-28 | 2019-05-08 | 株式会社デンソー | Wheel position detection device and tire pressure detection system provided with the same |
| CN107808430B (en) * | 2017-10-31 | 2020-01-31 | 深圳市道通合创软件开发有限公司 | Computer readable storage medium, fault detection method and device |
| WO2019116667A1 (en) * | 2017-12-15 | 2019-06-20 | 株式会社ブリヂストン | Tire mounting position detecting system, tire mounting position detecting method, and tire mounting position detecting program |
| CN108501630B (en) * | 2018-03-16 | 2020-04-24 | 深圳市道通科技股份有限公司 | Tire positioning method and device, electronic control unit and tire pressure sensor |
| CN108891210B (en) * | 2018-06-28 | 2020-07-17 | 深圳市道通科技股份有限公司 | Identification method, device and equipment of tire pressure sensor |
| US11157708B2 (en) | 2020-01-31 | 2021-10-26 | Caterpillar Inc. | Method and system for identifying sensors on machines |
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| US6771169B1 (en) * | 2002-08-07 | 2004-08-03 | Ford Global Technologies, Llc | Tire pressure monitoring system with a signal initiator |
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| CN100341023C (en) * | 2005-02-06 | 2007-10-03 | 上海保隆汽车科技股份有限公司 | Automobile tire monitoring system and tire identification recognition method |
| KR100783960B1 (en) | 2006-07-28 | 2007-12-10 | 현대자동차주식회사 | A sensor position finding apparatus of tpms and the method thereof |
| KR100951861B1 (en) * | 2008-05-20 | 2010-04-12 | 현대자동차주식회사 | Auto Recognition System Of Tire Position |
| US8564428B2 (en) | 2010-06-15 | 2013-10-22 | Honda Motor Co., Ltd. | Memorizing location of tires in TPMS and smart entry system |
| JP5508309B2 (en) | 2011-02-08 | 2014-05-28 | 株式会社東海理化電機製作所 | Valve identification information registration system |
| JP2014031089A (en) | 2012-08-02 | 2014-02-20 | Tokai Rika Co Ltd | Tire position detection system |
-
2010
- 2010-11-18 KR KR1020100115048A patent/KR101670803B1/en active IP Right Grant
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2011
- 2011-10-27 CN CN201110331679.9A patent/CN102463857B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6771169B1 (en) * | 2002-08-07 | 2004-08-03 | Ford Global Technologies, Llc | Tire pressure monitoring system with a signal initiator |
| CN1841034A (en) * | 2005-04-01 | 2006-10-04 | 上海飞恩微电子有限公司 | Quick wireless sensor initializing system for monitoring automobile tyre pressure |
| CN102069688A (en) * | 2010-12-28 | 2011-05-25 | 奇瑞汽车股份有限公司 | Tyre pressure monitoring system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102463857A (en) | 2012-05-23 |
| KR101670803B1 (en) | 2016-10-31 |
| KR20120053763A (en) | 2012-05-29 |
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