CN1994765A - A tyre pressure testing system - Google Patents
A tyre pressure testing system Download PDFInfo
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- CN1994765A CN1994765A CN 200610157829 CN200610157829A CN1994765A CN 1994765 A CN1994765 A CN 1994765A CN 200610157829 CN200610157829 CN 200610157829 CN 200610157829 A CN200610157829 A CN 200610157829A CN 1994765 A CN1994765 A CN 1994765A
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Abstract
The invention relates to a tyre pressure measuring system, which comprises pressure sensor (3), pressure detector (2), and positioning device (1), wherein the positioning device 91) activates the sensor (3), records its recognize code and sends the recognize code to the detector (2); when it activates or records the sensor (3) or its recognize code, the positioning device (1) will approach the module; when it transmits recorded data to the detector (2), the positioning device (1) and the detector (2) are connected via bus interface. The invention can reduce cost and interference.
Description
Technical field
The present invention relates to measuring system, more particularly, relate to a kind of tyre pressure testing system.
Background technology
The tyre pressure testing system of vehicle is more and more widely used in existing vehicle, has become compulsory standard in the U.S..Present situation is that motor tire has installed the tire pressure sensor module when dispatching from the factory, but because its particularity requires tire under untapped situation, this tire pressure sensor module is in the state of power-off.When assembling on the manufacturing line or in automotive use, changing tire, need to activate the tire pressure sensor module in the tire, and its heading code delivered on the monitoring host computer in the automobile, make monitoring host computer can discern the signal that the tire pressure sensor module sends is which tire pressure sensor module is sent actually, and be presented on the read out instrument of tyre pressure testing system, remind the motorist.Usually, tyre pressure testing system mainly is low frequencies device antenna to be installed position in wing plate.Individual low-frequency antenna and low frequencies device module electricity consumption wire joint monitoring host computer are arranged to wing plate near each tire.Tyre pressure testing system can send low frequency signal by near the low-frequency antenna the corresponding tire, trigger the tire pressure sensor module of corresponding tire separately, by the tire pressure sensor module that is triggered identity code is come out by high-frequency emission then, receiver module obtains the identity code of respective wheel tire pressure sensor assembly by high-frequency signal, thereby determines tire location automatically.Monitoring host computer is sent to these low frequency modules to trigger specific wheel module, such as off front wheel with signal.In this case, wheel module (rather than remaining wheel module) the meeting feedback information that has only off front wheel.But this kind locate mode also has weak point: need four low-frequency antennas to be installed near the cooresponding tire, installation and installation work amount are big; May the adjacent tire pressure sensor module of false triggering; Because there are various interference in electromagnetic environment complexity on the automobile, can cause interference to low frequency signal, cause identification to be lost efficacy.
Summary of the invention
The technical problem to be solved in the present invention is, big at the above-mentioned installation workload of prior art, may false triggering and the identification defective that may lose efficacy, provide a kind of and need not install, can not false triggering and the identification tyre pressure testing system that can not lose efficacy.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of tyre pressure testing system, comprise and a plurality ofly be installed in the tire pressure sensor module 3 in each tire and be installed in tire pressure monitoring main frame 2 in the automobile, described monitoring host computer 2 is connected with a plurality of high frequency antennas 4 and receives the high-frequency signal that has tire pressure value and the heading code of described sensor assembly own that described tire pressure sensor module 3 is sent, also comprise tire positioning device 1, described tire positioning device 1 activates described tire pressure sensor module 3 one by one, write down the heading code of this module, and the heading code of all records is sent to described monitoring host computer 2; When its activation or when writing down described tire pressure sensor module 3 or its heading code, described tire positioning device 1 is independent and near this module; When its data that transmit all records during to described monitoring host computer 2, described tire positioning device 1 and described monitoring host computer 2 link to each other by bus interface.
In tyre pressure testing system of the present invention, described tire positioning device 1 comprise the control and the memory module 11 of the heading code of the tire pressure sensor module that control this device work and storage are activated, the high frequency receiving unit 13 that receives the signal of described tire pressure sensor module 3 emissions that are activated, emission low frequency signal activate the low frequencies assembly 15 of the tire pressure sensor module in its sphere of action, with the bus communication interface 14 of described monitoring host computer communication with the power supply module 16 of power supply is provided for described each assembly; Described high frequency receiving unit 13, low frequencies assembly 15 and bus communication interface 14 link to each other with described control and memory module 11 respectively.
In tyre pressure testing system of the present invention, described tire positioning device 1 also comprises button and display module 12, and described button and display module comprise a plurality of buttons and a plurality of LED, and connect respectively with described control and memory module 11 on.
In tyre pressure testing system of the present invention, each button in described button and the display module 12 is corresponding to fixing memory address, and this fixing memory address corresponds respectively to the tire of ad-hoc location.
In tyre pressure testing system of the present invention, each LED in described button and the display module 12 is corresponding to a button, shows the be triggered mode of operation of the described tire positioning device 1 in back of this button.
In tyre pressure testing system of the present invention, the frequency that the low frequencies assembly (15) in the described tire positioning device (1) sends low frequency signal is 125KHz.
In tyre pressure testing system of the present invention, the high-frequency signal frequency that the high frequency receiving unit (13) in the described tire positioning device (1) receives is the 315MHz signal.
In tyre pressure testing system of the present invention, described tire positioning device (1) comprises the K bus interface with the bus communication interface (14) of described monitoring host computer (2).
In tyre pressure testing system of the present invention, described control and memory module (11) comprise control part and storage area, and described control part comprises MCU, and the model of described MCU is the M68HC908 of Motorola, and described storage area comprises EEPROM.
Implement tyre pressure testing system of the present invention, has following beneficial effect: owing to used the tire positioning device that can activate the tire pressure sensor module and write down its heading code, save four low-frequency antennas and the installation work thereof that are installed on the vehicle, reduced cost and work capacity; And can make it very near the tire pressure sensor module that will activate during the work of described tire positioning device, can other modules of false triggering, be difficult for being interfered, its heading code is difficult for makeing mistakes.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of tyre pressure testing system embodiment of the present invention;
Fig. 2 is the structural representation of the tire positioning device of tyre pressure testing system embodiment of the present invention;
Fig. 3 is the schematic circuit diagram of the tire positioning device of tyre pressure testing system embodiment of the present invention.
The specific embodiment
As shown in Figure 1, in tyre pressure testing system embodiment of the present invention, described tyre pressure testing system comprises tire positioning device 1, monitoring host computer 2, is contained in four tire pressure sensor modules 3 of four inside tires and be installed in front part of vehicle and two high frequency antennas 4 of vehicle rear respectively.When needs position tire, when needing changing of tire after for example assembling vehicle or vehicle are sold on manufacturing line, with one in described tire positioning device 1 close above-mentioned four tires, press the button on the tire positioning device 1, described tire positioning device 1 sends low frequency signal, activate the tire pressure sensor module 3 in its close tire, these tire pressure sensor module 3 initialization also send out by the heading code of high-frequency signal with himself, after described tire positioning device 1 receives this high-frequency signal, it is deposited in the memory device of self, after above-mentioned action is finished, described tire positioning device 1 provides prompting, shows successfully to activate this tire pressure sensor module 3 and write down its heading code; One by one described tire positioning device is leaned on each tire on the admission car, and repeat above-mentioned activation, operation of recording, after the tire pressure sensor module 3 in all tires is activated, described tire positioning device 1 and described monitoring host computer 2 are connected by bus interface, and the information of identification code that will be stored in the described tire positioning device 1 is transferred to monitoring host computer 2.Monitoring host computer 2 is judged the location information of the mode of operation and the place tire of tire pressure sensor 3 in the tire with this.
Fig. 2 is the structural representation of tire positioning device described in the present embodiment 1, Fig. 3 is the electrical schematic diagram of described tire positioning device 1, and described tire positioning device comprises control and memory module 11, button and display module 12, high frequency receiving unit 13, low frequencies assembly 15, bus communication assembly 14 and power supply module 16.Wherein, described power supply module 16 is obtained power supply by battery, and for each assembly provides power supply, owing to need 5V and the output of 12V vdc in the present embodiment simultaneously, power supply module 16 adopts the two-stage power source conversion.The first order adopts U6, L2, Q2, C26, C29, D8 to form the DC/DC conv, is the 3V/5V voltage transformation, and output dc voltage is stabilized in 5V ± 5%.The second stage adopts U7, Q1, C24, C25, C27, C28, C18, L4, R18, R23, D7 to form the DC/DC conv, is the 5V/12V voltage transformation, and output dc voltage is stabilized in 12V ± 5%.
In the present embodiment, described control and memory module 11 have comprised control and storage two parts, its control part comprises a MCU, in the present embodiment, the model of this MCU is the M68HC908 of Motorola, and in Fig. 3, its label is U3, it comprises 4 general purpose I/O port PTA, PTB, PTD, PTE, totally 23 I/O pins.The P13 of U3, P14 are used for and 14 communications of bus communication assembly; P8, P9, P19, P20, P22 connect button and display module 12; P10, P11, P12, P16, P27, P28 are connected with high frequency receiving unit 13, carry out the reception of high-frequency signal; The output of PTEO control low frequency signal; The P4 of U3, P5 pin link to each other with external crystal-controlled oscillation X2, as system's external clock; Do not use port as later ECP Extended Capabilities Port; Its storage area comprises the EEPROM of a band house dog, and its label in Fig. 3 is U4, and the information of identification code of tire pressure sensor module 3, high frequency receiving unit 13 parameters etc. all is stored in this memory device.The PTB7 of U3, PTE1, PTDO, PTD1, PTD5 link to each other with P1, P2, P5, P6, the P7 of U4 respectively, functions such as corresponding realization sheet choosing, SPI communication and write-protect.
In the present embodiment, also comprise button and display module 12 on the described tire positioning device 1, this button and display module 12 comprise six press keys and six LED, in Fig. 3, described button label be S1 to S6, the label of described LED is that D1 is to D6.Each button all corresponds respectively to the short memory address of one in the above-mentioned memory device, and each LED is also corresponding to a button; When certain button is triggered, above-mentioned control and memory module 11 are used to activate the low frequency signal of tire pressure sensor module 3 except that described low frequencies assembly 15 emissions of control, the heading code that has this tire pressure sensor 3 that also will receive and the high-frequency signal of other information are stored in its cooresponding memory cell, this memory cell has been defined as corresponding a certain wheel in advance, as off front wheel.Like this, when a plurality of information that receive being sent to described main control system 2, the situation of the tire that specifically is which position just can not appear can not determine.After the information of this tire pressure sensor module 3 was deposited in, the pairing LED of this button changed its state, to remind the user.
In the present embodiment, because described tire positioning device 1 and described monitoring host computer 2 use the K bus interface to link to each other when transmission signals, so the bus communication interface 14 on described tire positioning device 1 is the K bus interface.In Fig. 3, this bus interface 14 is that U2 and D9, TVS1, TVS2, C3, C14, C15, C17 form by label.The P6 pin of U2 links to each other with the PTD7 of U3 (serial communication SCI receiving end); the P5 pin links to each other with the PTD6 (serial communication SCI mouth sending end) of U3, and the P8 pin links to each other with the PTA1 of U3, as enabling control end; the P1 pin links to each other with power supply 12V by TVS2, D9, C14, draws protection on the realization communication level.
In the present embodiment, described high frequency receiving unit 13 receives by laying respectively at generation that four tire pressure sensor modules 3 in the tire send the high-frequency signal of the information such as pressure, temperature of himself heading code technological transformation tire, the frequency of this signal is 315MHz, so in Fig. 3, this high frequency receiving unit 13 comprises that label is the components and parts composition of U1, C1, C2, C7, C8, C9, C10, C11, C13, C20, C21, C22, C23, R1, R10, R11, L1, L3, Y2.The P14 of U1, P15, P16, P17 are connected with TPA1, PTB4, PTB5, PTB6, the PTD4 of U3 respectively, and the MCU that carries out in high-frequency signal communication and control and the memory module 11 controls high frequency receiving unit 13.
In the present embodiment, described low frequencies assembly 15 is launched low frequency signal under the control of described control and memory module 11, the frequency of this signal is 125KHz, when the tire pressure sensor module 3 that is positioned at tire is sensed this signal, to start initialization and its heading code will be sent out by high-frequency signal, in Fig. 3, described low frequencies assembly 15 is that the components and parts of U5, R3, C12, C19, L1 are formed by label, the P2 of U5 is connected with the PTEO of U3, above-mentioned MCU control low frequencies chip operation.R3, C12, L1 form the low frequency signal transmission circuit.L1 is the low frequency inductance coil.
Claims (9)
1, a kind of tyre pressure testing system, comprise and a plurality ofly be installed in the tire pressure sensor module (3) in each tire and be installed in tire pressure monitoring main frame (2) in the automobile, described monitoring host computer (2) is connected with a plurality of high frequency antennas (4) and receives the high-frequency signal that has tire pressure value and the heading code of described sensor assembly own that described tire pressure sensor module (3) is sent, it is characterized in that, also comprise tire positioning device (1), described tire positioning device (1) activates described tire pressure sensor module (3) one by one, write down the heading code of this module, and the heading code of all records is sent to described monitoring host computer (2); When its activation or when writing down described tire pressure sensor module (3) or its heading code, described tire positioning device (1) is independent and near this module; When its data that transmit all records arrived described monitoring host computer (2), described tire positioning device (1) linked to each other by bus interface with described monitoring host computer (2).
2, tyre pressure testing system according to claim 1, it is characterized in that described tire positioning device (1) comprises the control and the memory module (11) of the heading code of the tire pressure sensor module that this device work of control and storage are activated, receive the high frequency receiving unit (13) of the signal of described tire pressure sensor module (3) emission that is activated, the emission low frequency signal activates the low frequencies assembly (15) of the tire pressure sensor module in its sphere of action, with the bus communication interface (14) of described monitoring host computer communication with the power supply module (16) of power supply is provided for described each assembly; Described high frequency receiving unit (13), low frequencies assembly (15) and bus communication interface (14) link to each other with described control and memory module (11) respectively.
3, tyre pressure testing system according to claim 2, it is characterized in that, described tire positioning device (1) also comprises button and display module (12), and described button and display module comprise a plurality of buttons and a plurality of LED, and connect respectively with described control and memory module (11) on.
4, tyre pressure testing system according to claim 3 is characterized in that, each button in described button and the display module (12) is corresponding to fixing memory address, and this fixing memory address corresponds respectively to the tire of ad-hoc location.
5, tyre pressure testing system according to claim 4 is characterized in that, each LED in described button and the display module (12) is corresponding to a button, shows the be triggered mode of operation of the described tire positioning device in back (1) of this button.
6, tyre pressure testing system according to claim 5 is characterized in that, the frequency that the low frequencies assembly (15) in the described tire positioning device (1) sends low frequency signal is 125KHz.
7, tyre pressure testing system according to claim 6 is characterized in that, the high-frequency signal frequency that the high frequency receiving unit (13) in the described tire positioning device (1) receives is the 315MHz signal.
8, tyre pressure testing system according to claim 7 is characterized in that, described tire positioning device (1) comprises the K bus interface with the bus communication interface (14) of described monitoring host computer (2).
9, tyre pressure testing system according to claim 8, it is characterized in that described control and memory module (11) comprise control part and storage area, described control part comprises MCU, the model of described MCU is the M68HC908 of Motorola, and described storage area comprises EEPROM.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006101578298A CN100484784C (en) | 2006-12-21 | 2006-12-21 | A tyre pressure testing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101578298A CN100484784C (en) | 2006-12-21 | 2006-12-21 | A tyre pressure testing system |
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| CN1994765A true CN1994765A (en) | 2007-07-11 |
| CN100484784C CN100484784C (en) | 2009-05-06 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2011097845A1 (en) | 2010-02-10 | 2011-08-18 | 广东铁将军防盗设备有限公司 | Tire pressure monitoring system and onboard tire pressure device thereof |
| CN102431398A (en) * | 2011-10-20 | 2012-05-02 | 惠州市德赛西威汽车电子有限公司 | Tyre pressure monitoring system and self-adapting matching method thereof |
| CN102555698A (en) * | 2012-03-09 | 2012-07-11 | 东风电子科技股份有限公司 | TPMS (Tire Pressure Monitor System)-based system and method for realizing rapid configuration of tire location information |
| CN102729743A (en) * | 2012-07-24 | 2012-10-17 | 物联微电子(常熟)有限公司 | Positioning system and method of TPMS (Tire Pressure Monitor System) measurement transmitting unit |
| CN102907174A (en) * | 2010-03-19 | 2013-01-30 | 特里多尼克股份有限公司 | LED-Lighting System Comprising An Operational Data Memory |
| CN102991283A (en) * | 2011-09-16 | 2013-03-27 | 联创汽车电子有限公司 | Tire pressure monitoring system of automobile and implementation method thereof |
| CN101493523B (en) * | 2008-01-21 | 2013-04-17 | 罗伯特·博世有限公司 | Method for arranging driver auxiliary system based on ultrasonic wave and ultrasonic sensor |
| CN103335675A (en) * | 2013-06-28 | 2013-10-02 | 温州市海宝仪器有限公司 | Metering device |
| CN103832227A (en) * | 2013-12-18 | 2014-06-04 | 柳州市华航电器有限公司 | Tire pressure monitoring device |
| CN104029570A (en) * | 2013-03-04 | 2014-09-10 | 苏州驶安特汽车电子有限公司 | Mobile matcher, vehicle tire sensor identification system, and sensor matching method |
| WO2017020840A1 (en) * | 2015-08-04 | 2017-02-09 | Xue Ji | Methods and systems for tire management |
| CN107428215A (en) * | 2015-03-27 | 2017-12-01 | 株式会社自动网络技术研究所 | Communicator rigging position decision-making system and decision maker |
| WO2019114758A1 (en) * | 2017-12-13 | 2019-06-20 | 深圳市道通科技股份有限公司 | Tire pressure sensor activation method and device, storage medium and front-end processor |
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- 2006-12-21 CN CNB2006101578298A patent/CN100484784C/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101493523B (en) * | 2008-01-21 | 2013-04-17 | 罗伯特·博世有限公司 | Method for arranging driver auxiliary system based on ultrasonic wave and ultrasonic sensor |
| WO2011097845A1 (en) | 2010-02-10 | 2011-08-18 | 广东铁将军防盗设备有限公司 | Tire pressure monitoring system and onboard tire pressure device thereof |
| CN102907174A (en) * | 2010-03-19 | 2013-01-30 | 特里多尼克股份有限公司 | LED-Lighting System Comprising An Operational Data Memory |
| CN102991283A (en) * | 2011-09-16 | 2013-03-27 | 联创汽车电子有限公司 | Tire pressure monitoring system of automobile and implementation method thereof |
| CN102991283B (en) * | 2011-09-16 | 2016-03-30 | 联创汽车电子有限公司 | Tire pressure monitoring system and its implementation |
| CN102431398A (en) * | 2011-10-20 | 2012-05-02 | 惠州市德赛西威汽车电子有限公司 | Tyre pressure monitoring system and self-adapting matching method thereof |
| CN102555698A (en) * | 2012-03-09 | 2012-07-11 | 东风电子科技股份有限公司 | TPMS (Tire Pressure Monitor System)-based system and method for realizing rapid configuration of tire location information |
| CN102729743A (en) * | 2012-07-24 | 2012-10-17 | 物联微电子(常熟)有限公司 | Positioning system and method of TPMS (Tire Pressure Monitor System) measurement transmitting unit |
| CN102729743B (en) * | 2012-07-24 | 2014-09-17 | 物联微电子(常熟)有限公司 | Positioning system and method of TPMS (Tire Pressure Monitor System) measurement transmitting unit |
| CN104029570A (en) * | 2013-03-04 | 2014-09-10 | 苏州驶安特汽车电子有限公司 | Mobile matcher, vehicle tire sensor identification system, and sensor matching method |
| CN103335675B (en) * | 2013-06-28 | 2017-04-05 | 温州市海宝仪器有限公司 | metering device |
| CN103335675A (en) * | 2013-06-28 | 2013-10-02 | 温州市海宝仪器有限公司 | Metering device |
| CN103832227A (en) * | 2013-12-18 | 2014-06-04 | 柳州市华航电器有限公司 | Tire pressure monitoring device |
| CN107428215A (en) * | 2015-03-27 | 2017-12-01 | 株式会社自动网络技术研究所 | Communicator rigging position decision-making system and decision maker |
| CN107428215B (en) * | 2015-03-27 | 2020-04-14 | 株式会社自动网络技术研究所 | System and device for determining mounting position of communicator |
| WO2017020840A1 (en) * | 2015-08-04 | 2017-02-09 | Xue Ji | Methods and systems for tire management |
| WO2019114758A1 (en) * | 2017-12-13 | 2019-06-20 | 深圳市道通科技股份有限公司 | Tire pressure sensor activation method and device, storage medium and front-end processor |
| US11345194B2 (en) | 2017-12-13 | 2022-05-31 | Autel Intelligent Technology Corp., Ltd. | Method and apparatus for activating tire pressure sensor, storage medium and front-end server title |
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Effective date of registration: 20170911 Address after: 518019 B6 building A2, T2 building, South hi tech Industrial Zone, Nanshan District hi tech Zone, Guangdong, Shenzhen Patentee after: Shenzhen Kingauto Electronics Co., Ltd. Address before: 518019 Shenzhen high tech Industrial Zone, Nanshan District City, Guangdong province high tech Industrial Zone T2 Dong B6 plant Patentee before: Shenzhen Saige Navigation Science & Technology |
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Address after: 518000 District B6, A2, T2, high tech Industrial Zone, Nanshan District high tech Zone, Guangdong, China, Shenzhen Patentee after: Shenzhen SEG car Saint Science & Technology Co., Ltd. Address before: 518019 B6 building A2, T2 building, South hi tech Industrial Zone, Nanshan District hi tech Zone, Guangdong, Shenzhen Patentee before: Shenzhen Kingauto Electronics Co., Ltd. |