CN202080077U - TPMS (Tire Pressure Monitor System) multifunctional diagnosis instrument - Google Patents

TPMS (Tire Pressure Monitor System) multifunctional diagnosis instrument Download PDF

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Publication number
CN202080077U
CN202080077U CN 201020690872 CN201020690872U CN202080077U CN 202080077 U CN202080077 U CN 202080077U CN 201020690872 CN201020690872 CN 201020690872 CN 201020690872 U CN201020690872 U CN 201020690872U CN 202080077 U CN202080077 U CN 202080077U
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module
sensor
tpms
tire
monitor system
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CN 201020690872
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刁红喜
夏全良
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Shanghai Hangsheng Industry Co Ltd
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Shanghai Hangsheng Industry Co Ltd
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Abstract

The utility model discloses a TPMS (Tire Pressure Monitor System) multifunctional diagnosis instrument which comprises a low frequency triggering module, a high frequency receiving module, a high frequency transmitting module, a power supply management module, a display module and a key input module which are connected with a microprocessor module respectively. After the TPMS (Tire Pressure Monitor System) multifunctional diagnosis instrument is assembled, a sensor in a tire can be activated, the TPMS (Tire Pressure Monitor System) multifunctional diagnosis instrument can read the ID code of each sensor installed in the tire to realize the binding of the sensor and a receiver; a programming button is unnecessarily arranged on a receiving controller; the pressure and temperature values of any tire can be inquired at any time; and the tire position change and resetting of the sensor can be finished instead of dismounting the sensor. The TPMS (Tire Pressure Monitor System) multifunctional diagnosis instrument can realize independent replacement of the sensor for any tires, transmits the information of the senor to the receiver and realigns, and can realize the functions of activating the sensor, binding and learning of the sensor, deletion of the sensor, position change of the sensor, off-line function detection, and the like.

Description

The TPMS modular diagnostic system
Technical field
The utility model relates to system for detecting tire pressure (TPMS), particularly be a kind of TPMS modular diagnostic system.
Background technology
Along with the progress of industrial economy, automobile begins a large amount of uses, and highway and express highway also day by day obtain paying attention to, and begin to grow up.U.S.'s existing highway total kilometrage and express highway mileage are the longest, have formed about 6.9 ten thousand kilometers interstate highway net, and highway has become American's daily life necessary part.Every Western Europe country and Japan, the network of highways basis is good, and express highway also progressively becomes net, and road transport is the main force of overland transportation always.As developing country, the Chinese express highway total kilometrage that is open to traffic leapt to the second place of the world last year, and total kilometrage is 20,000 kilometers at present, but because of vast in territory, the average density of freeway net is very low, and road conditions are also poor comparatively speaking.
The speed of express highway and facility have changed people's space-time idea, and the region distance that furthered has been improved people's life style.But the pernicious traffic accident of thing followed express highway is startling, has caused the strong interest and the attention of countries in the world, and enters on or take corresponding countrmeasure.
According to SAE in 2002 investigation, the whole America has 260,000 traffic accidents every year on average, and low or seepage causes owing to tire pressure; And the traffic accident that takes place on express highway has 70% owing to blow out and cause; In addition, annual 75% tire fault is owing to tire seepage or underinflation causing.Statistics shows: the major cause that traffic accident increases is because of blowing out that tire fault causes in running at high speed.
According to another statistics, in China, 46% traffic accidents is owing to tire fault causes, this wherein only blows out one and just accounts for 70% of accident total amount, and how surprising this be numeral!
In the process of running at high speed of automobile, tire fault is that the lethality maximum also is the accident potential of the most difficult prevention, is the major reason that sudden traffic accident takes place.How to solve tire fault, how to prevent to blow out, become the matter of utmost importance that the whole world is paid close attention to.
The U.S. on the 1st president Clinton signed and ratified US Congress about revising the motion of federal transportation act November in 2000, and all new cars that federal bill requires to produce later in 2003 all need system for monitoring pressure in tyre (TPMS) as standard configuration; Play all automobiles that need travel on express highway on November 1st, 2006 and all need dispose system for monitoring pressure in tyre (TPMS).
July calendar year 2001, vehicle is installed the requirement of TPMS legislation for response US Congress, US Department of Transportation and national expressway safety Public Roads Administration (NHTSA) are united existing two kinds of system for monitoring pressure in tyre (TPMS) are estimated, report for the first time with TPMS as special-purpose vocabulary, and confirm performance that direct-type TPMS is superior and monitoring capability accurately.TPMS motor tire intelligent monitor system is as one of automobile three big safety systems thus, approved by masses and is subjected to due attention with safe automobile air bag, anti-skid brake system (ABS).
The TPMS(system for monitoring pressure in tyre) effect is in vehicle traveling process tire pressure to be carried out real-time automatic monitoring, and tire flat and infrabar are reported to the police, to guarantee traffic safety.
Along with being widely used of TPMS, the TPMS modular diagnostic system instrument that is absolutely necessary, it is functional and requirement practicality is more and more higher, therefore is necessary this is carried out research and development.
The utility model content
The utility model product purpose be to provide a kind of multiple functional, dependable performance, effectively assurance is mated whenever and wherever possible, diagnosis is used for shortening each link time, improves the TPMS modular diagnostic system of promptness.
The technical solution adopted in the utility model is as follows:
The TPMS modular diagnostic system comprises with lower module:
The low frequency trigger module, main effect is to launch the 125Khz frequency wave, TPMS(tire inflation pressure determining system to inside band low frequency wake-up function) sensor assembly plays and wakes the function of switching with state up, after sensor is received the 125Khz low frequency signal, switch to normal working from sleep state, or development mode, this moment, sensor sent ID number of this sensor, information such as the current temperature of sensor battery electric weight and tire, pressure are for receiving controller study and data parsing;
The high frequency receiver module, main effect is to receive the high-frequency signal that tire sensor is launched 433.92MHZ/315MHZ, from then on can decode in the high-frequency signal when information such as the current temperature of front tyre the inside sensor ID number, battery electric quantity and this tire, pressure;
The high-frequency emission module, mainly be to realize that tester and TPMS receive the controller information exchange, by the 433.92Mhz high-frequency signal, send information to TPMS and receive controller, thereby realize tire sensor ID study, deletion, position transposing, Deng operation, and the various alarm messages of module come diagnostic system;
Power management module, this diagnostic equipment adopt the chargeable lithium cell power supply, and the power management mould is mainly used in battery voltage detection, carries out under-voltage protection, to prevent the battery over discharge, reach charge circuit battery is charged and charge protection;
Display module mainly carries out relevant information by LCD and shows the man-machine information interaction of implementation pattern and data setting;
Microprocessor module, the important acquisition of signal that is used for receives and handles all data, and realization diagnosis etc. are multi-functional, and output drives and shows;
Keyboard input module adopts membrane pushbutton, realizes everyone machine operation control, and the parameter setting.
Described low frequency trigger module, high frequency receiver module, high-frequency emission module, power management module, display module and keyboard input module are connected with microprocessor module respectively.
Described low frequency trigger module is made up of low frequency actuator and low frequency inductive antenna, sends 125KHZ low frequency signal data by micro treatment module, and control tire pressure monitoring system sensor is in sleep pattern, and development mode and mode of operation switch.
Described high frequency receiver module is made up of high frequency receiving chip and antenna, receive tire pressure monitoring system sensor high-frequency data and receive and the signal demodulation, data are converted to the digital wave signal are transferred to microprocessing unit, and can export the signal strength that receives, judge for microprocessing unit.
Described high-frequency emission module, the frequency of groundwork are 433.92/315MHZ, send the data that receive and receive controller to TPMS, carry out each mode capabilities diagnositc test and setup parameter.
Described power management module is made up of power supply chip and battery charging module, adopts the AD detection signal to microprocessor unit to power line voltage, when voltage is lower than certain setting value, then shuts down automatically, prevents that the battery life that over discharge causes is too short.
Described display module, keyboard input module are realized man-machine information interaction, realize that functional mode switches, and function setting.
Described micro treatment module mainly carries out key scan, and battery electric quantity detects, and high frequency and low frequency signal are handled, and function realizes, the information display driver.
TPMS modular diagnostic system of the present utility model is provided with " on turn over ", " turning over down ", " affirmation ", " returning ", " electric power starting/close " five buttons, switching by Menu key, can enter " mode of learning ", " puncturing pattern ", " tire location zap mode ", " diagnostic test mode ", " the TPMS vehicle rolls off the production line and disposes and Actuator Test Modes ", " Force Deletion pattern ", thereby realize the TPMS sensor and receive operations such as controller ID study, deletion, position transposing, and when vehicle rolls off the production line, the various alarm messages of module are tested.
Described TPMS modular diagnostic system can be realized activation, the study of four tire sensors under mode of learning.Switching by Menu key enters " left front study " menu, presses " affirmation " to sensor activation, and behind the activated sensors, the TPMS multifunctional tester can receive the sensor ID sent of passback sensor number, this tire current pressure, temperature information.After receiving the information that sensor beams back, press " affirmation " once more, the information that the TPMS multifunctional tester will receive back sends to TPMS and receives control capsule, realizes study, the binding of single tire.Same way as can be operated " right front study ", " right back study ", " left back study ".
Described TPMS modular diagnostic system enters " puncturing pattern ", can delete " left front ", " right front ", " right back ", " left back " any one sensor of having bound.To delete sensor, at first in " mode of learning " at activated sensors, receive passback sensor ID number, enter puncturing pattern then sensor deleted, otherwise can't delete sensor.
Described TPMS modular diagnostic system enters the tire location zap mode, by the selection of Menu key, can be to " left front ", " right front ", and " right back ", the position of " left back " any two tires exchanges.Carry out tire location exchange, at first must activate down in " mode of learning ", otherwise can't realize place-exchange any one of two tires of needs exchange.
Described TPMS modular diagnostic system enters diagnostic test mode, selection by Menu key, can be in " left front test ", " right front test ", " right back test ", in " left back test " any one carried out simulation test, and content measurement comprises: simulation test low pressure alarming, simulation test undervoltage warning, the quick leakage alarm of simulation test, simulation test alarm for high voltage, simulation test high temperature alarm, simulation test extraordinary high temperature are reported to the police, the low electric weight of simulation test sensor is reported to the police.
Use technique scheme, the utility model can be realized following function: after assembling finishes, available TPMS multifunctional tester activates the sensor of wheel tyre cavity, read the ID sign indicating number that each is installed in the sensor in the tire, realize the binding of sensor and receptor, need on the reception controller, program button be set; Can inquire about the pressure and temperature value of any tire at any time; Can finish interchanging of tires and put and sensor is reset, and need not the dismounting sensor; Can be any tire location emat sensor more separately, and will believe that the information of sensor sends receptor to and carries out correspondence again; Can realize functions such as sensor activation, sensor binding study, sensor deletion, sensor station transposing, the Function detection that rolls off the production line.
Based on above-mentioned, the utility model can produce the line coupling with the exploitation debugging of TPMS system, and the after-sales service structure is an one, is the exploitation of TPMS system, uses to reach and provides convenience after sale and save time.
Description of drawings
Further specify the present invention below in conjunction with the drawings and specific embodiments.
Fig. 1 is the utility model and each parts annexation scheme drawing of TPMS system.
Fig. 2 is each module principle scheme drawing of the utility model.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete accompanying drawing, further set forth the utility model.
With reference to figure 1, the relation of the utility model and each parts of TPMS system has been described among this figure, TPMS tyre pressure sensor wherein, the temperature, pressure, the moving situation that carry out tire state detect, and can carry out the data transmission according to the actual conditions of car, and battery electric quantity carried out interpretation, and cross when low when electric weight, carry out data and send prompting.
Further, the TPMS tyre pressure sensor is mainly by microprocessing unit, sensor (integrated pressure, temperature, acceleration/accel), and the RF transmitting chip, LF induction receiving element is formed.
Further, the TPMS tyre pressure sensor is before dispatching from the factory, system is in sleep pattern, the power consumption minimum of this moment, after LF induction receiving element is resolved the low frequency order of TPMS modular diagnostic system transmission, output signal judges that to microprocessing unit the TPMS tyre pressure sensor should be in sleep pattern, development mode or normal mode of operation.
Further, sensor in the TPMS tyre pressure sensor, integrated integrated pressure, temperature, acceleration/accel, microprocessing unit is judged the present temperature of tire, pressure by to these Signal Processing, and motoring condition, the transmission cycle difference under different motoring conditions.
Further, the data packet format that the microprocessor of TPMS tyre pressure sensor becomes to require the data handing that will send, by RF transmitting chip mode, the adjustment mode is ASK, frequency of operation is 433.92MHZ or 315MHZ.
With reference to figure 1, TPMS receives control unit, receive the data of TPMS tire pressure sensing emission, the line data of going forward side by side is resolved, mode by bus sends to display control switch (as instrument), and, TPMS is received the fault of control unit own store, and the unusual condition and the corresponding mileage number of tire state carried out record to carrying out the self check of system.
Further, TPMS receives control unit mainly by microprocessing unit, the RF receiving chip, and communication interface unit is formed.
Further, TPMS receives the receiver module of control unit, and corresponding with the transmitter module of sensor, the frequency of operation of reception is 315/433.92 MHZ, this part is demodulated to the port of data to microprocessing unit to the signal that receives, for software decode.
Further, TPMS receives the control unit communication interface and mainly contains serial ports, CAN, LIN, several modes of K-LINE, carries out data communication according to agreement, reaches the purpose of data display and warning.
With reference to figure 2, the utility model TPMS modular diagnostic system comprises low frequency trigger module, high frequency receiver module, high frequency receiver module, power management module, display module and keyboard input module, and they are connected with microprocessor module respectively.
Further, the low frequency trigger module is made up of low frequency actuator and low frequency inductive antenna, sends 125KHZ low frequency signal data by micro treatment module, controls the tire pressure monitoring system sensor in sleep pattern, development mode, and mode of operation switches.
Further, the high frequency receiver module, the frequency of groundwork is 433.92/315MHZ, form by high frequency receiving chip and antenna, receiving tire pressure monitoring system sensor high-frequency data receives and the signal demodulation, data are converted to the digital wave signal are transferred to microprocessing unit, and can export the signal strength that receives, judge for microprocessing unit.
Further, high-frequency emission module, the frequency of groundwork are 433.92/315MHZ, send the data that receive and receive controller to TPMS, carry out each mode capabilities diagnositc test and setup parameter.
Further, power management module is made up of power supply chip and battery charging module, adopts the AD detection signal to microprocessor unit to power line voltage, when voltage is lower than certain setting value, then shuts down automatically, prevents that the battery life that over discharge causes is too short.
Further, display module, keyboard input module are realized man-machine information interaction, realize that functional mode switches, and function setting, and display module comprises reports LCD to show.
Further, key scan is mainly carried out in little processing, and battery electric quantity detects, and high frequency and low frequency signal are handled, and function realizes, the information display driver.
More than show and described the advantage of groundwork of the present utility model and principal character and improvement.Emphasis has been described the function of improving, and practicality.According to the renewal of product or integrated lifting, the utility model also can improve, and the claimed scope of the utility model is defined by the equivalent of appending claims and related content.

Claims (4)

1.TPMS modular diagnostic system, it is characterized in that, comprise low frequency trigger module, high frequency receiver module, high-frequency emission module, power management module, display module, microprocessor module and keyboard input module, described low frequency trigger module, high frequency receiver module, high-frequency emission module, power management module, display module and keyboard input module are connected with microprocessor module respectively.
2. TPMS modular diagnostic system according to claim 1 is characterized in that, described low frequency trigger module is made up of low frequency actuator and low frequency inductive antenna.
3. TPMS modular diagnostic system according to claim 1 is characterized in that, described high frequency receiver module is made up of high frequency receiving chip and antenna.
4. TPMS modular diagnostic system according to claim 1 is characterized in that described power management module is made up of power supply chip and battery charging module.
CN 201020690872 2010-12-30 2010-12-30 TPMS (Tire Pressure Monitor System) multifunctional diagnosis instrument Expired - Lifetime CN202080077U (en)

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN103273811A (en) * 2013-06-17 2013-09-04 北京汽车股份有限公司 Diagnostic apparatus used for diagnosing faults of full vehicle and tire matching and monitoring method
CN103303075A (en) * 2012-03-09 2013-09-18 上海保隆汽车科技股份有限公司 Method and apparatus for position replacing and identification code changing of emitters of TPMS system
CN104097467A (en) * 2014-07-08 2014-10-15 深圳市道通科技股份有限公司 Tire pressure monitoring and diagnosing equipment and applied hub parameter query method of tire pressure monitoring and diagnosing equipment
CN106739862A (en) * 2017-02-16 2017-05-31 奇瑞汽车股份有限公司 The method and device that a kind of Tire Pressure Monitor System is opened and closed
CN106739856A (en) * 2016-12-30 2017-05-31 上海为彪汽配制造有限公司 A kind of TPMS dual frequency receptions device
CN107499072A (en) * 2017-08-04 2017-12-22 江苏博锐格电子科技有限公司 A kind of intelligent Matching tire and the method for changing tire
CN108020373A (en) * 2017-11-22 2018-05-11 广东菲柯特电子科技有限公司 Tire pressure sensor simulation device
CN112248726A (en) * 2020-10-28 2021-01-22 深圳市道通科技股份有限公司 Method and device for displaying function menu interface of automobile tire pressure monitoring system
CN112959860A (en) * 2021-03-09 2021-06-15 深圳市道通科技股份有限公司 Tire pressure sensor information processing method, device and equipment
CN114228408A (en) * 2021-11-09 2022-03-25 赛赫智能设备(上海)股份有限公司 TPMS detection equipment with adjustable power 125KHz signal amplifier and detection method thereof
CN114407586A (en) * 2022-02-17 2022-04-29 成都万创科技股份有限公司 Low-power-consumption tire pressure monitoring device and method
CN114801603A (en) * 2022-04-26 2022-07-29 一汽奔腾轿车有限公司 Automobile tire pressure signal loss fault simulation test method
WO2024138604A1 (en) * 2022-12-27 2024-07-04 深圳市星卡科技股份有限公司 Tire-pressure programming method and apparatus, and computer device and storage medium

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103303075A (en) * 2012-03-09 2013-09-18 上海保隆汽车科技股份有限公司 Method and apparatus for position replacing and identification code changing of emitters of TPMS system
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
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
CN103273811A (en) * 2013-06-17 2013-09-04 北京汽车股份有限公司 Diagnostic apparatus used for diagnosing faults of full vehicle and tire matching and monitoring method
CN103273811B (en) * 2013-06-17 2016-09-21 北京汽车股份有限公司 A kind of for diagnosing the diagnostic apparatus of complete vehicle fault, tire match monitoring method
CN104097467A (en) * 2014-07-08 2014-10-15 深圳市道通科技股份有限公司 Tire pressure monitoring and diagnosing equipment and applied hub parameter query method of tire pressure monitoring and diagnosing equipment
CN104097467B (en) * 2014-07-08 2017-11-03 深圳市道通科技股份有限公司 A kind of tire pressure monitoring diagnostic device and its hub parameter querying method of application
CN106739856A (en) * 2016-12-30 2017-05-31 上海为彪汽配制造有限公司 A kind of TPMS dual frequency receptions device
CN106739862B (en) * 2017-02-16 2019-02-22 奇瑞汽车股份有限公司 A kind of method and device that Tire Pressure Monitor System opens and closes
CN106739862A (en) * 2017-02-16 2017-05-31 奇瑞汽车股份有限公司 The method and device that a kind of Tire Pressure Monitor System is opened and closed
CN107499072A (en) * 2017-08-04 2017-12-22 江苏博锐格电子科技有限公司 A kind of intelligent Matching tire and the method for changing tire
CN108020373A (en) * 2017-11-22 2018-05-11 广东菲柯特电子科技有限公司 Tire pressure sensor simulation device
CN112248726A (en) * 2020-10-28 2021-01-22 深圳市道通科技股份有限公司 Method and device for displaying function menu interface of automobile tire pressure monitoring system
CN112248726B (en) * 2020-10-28 2022-02-08 深圳市道通科技股份有限公司 Method and device for displaying function menu interface of automobile tire pressure monitoring system
CN112959860A (en) * 2021-03-09 2021-06-15 深圳市道通科技股份有限公司 Tire pressure sensor information processing method, device and equipment
CN112959860B (en) * 2021-03-09 2022-07-19 深圳市道通科技股份有限公司 Tire pressure sensor information processing method, device and equipment
CN114228408A (en) * 2021-11-09 2022-03-25 赛赫智能设备(上海)股份有限公司 TPMS detection equipment with adjustable power 125KHz signal amplifier and detection method thereof
CN114407586A (en) * 2022-02-17 2022-04-29 成都万创科技股份有限公司 Low-power-consumption tire pressure monitoring device and method
CN114801603A (en) * 2022-04-26 2022-07-29 一汽奔腾轿车有限公司 Automobile tire pressure signal loss fault simulation test method
WO2024138604A1 (en) * 2022-12-27 2024-07-04 深圳市星卡科技股份有限公司 Tire-pressure programming method and apparatus, and computer device and storage medium

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