CN102494840A - TPMS (tire pressure monitoring system) testing system and method - Google Patents
TPMS (tire pressure monitoring system) testing system and method Download PDFInfo
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- CN102494840A CN102494840A CN2011103791716A CN201110379171A CN102494840A CN 102494840 A CN102494840 A CN 102494840A CN 2011103791716 A CN2011103791716 A CN 2011103791716A CN 201110379171 A CN201110379171 A CN 201110379171A CN 102494840 A CN102494840 A CN 102494840A
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Abstract
The invention relates to a TPMS testing system which comprises a shielding box, a module to be tested, a probe, a receiving antenna, a frequency spectrograph, a signal generator, a function signal generator and an environment control device connected with the shielding box, wherein the probe and the receiving antenna are arranged in the shielding box and are connected with the frequency spectrograph through a coaxial line, the signal generator in a first test station is arranged outside the shielding box, one end of the signal generator in a third test station is connected with the probe in the shielding box and the other end of the signal generator in a third test station is connected with the function signal generator, the environment control device connected with the shielding box comprises a temperature control device used for regulating and controlling temperature in the shielding box and simulating an environment in an automobile tire. According the technical scheme, the TPMS testing system can be used for quickly testing a tire pressure monitoring system and has the advantages of high detection speed, comprehensive function, high efficiency and capabilities of testing the system flexibility, shortening test time and reducing cost.
Description
Technical field
The present invention relates to a kind of intelligence test platform, especially for the TMPS test macro.
Background technology
Show according to statistics: it is accidents caused arch-criminal that automobile runs flat, and tire goes under the deficency state, and along with air pressure descends, the friction on tire and road surface is multiplied, and the tire temperature sharply raises, the tire deliquescing, and strength degradation, running at high speed just causes blowing out; Even low speed driving also can damage tire, bury the hidden danger of blowing out.Moreover, automobile runs flat the fuel oil that consumes 3.3% more; A lot of car owners possibly not know that tire has the slow phenomenon of gas leakage naturally, and under-inflation is all still unaware.Tire pressure monitoring system is called for short TPMS; It is the abbreviation of " Tire Pressure Monitoring System "; Be through installing four tire pressure monitoring and sensing devices additional in the tire the inside, in vehicle stationary or driving process, tire pressure and temperature being carried out real-time automatic monitoring, and tire high pressure, low pressure, high temperature are in time reported to the police; Avoid traffic hazard, to guarantee traffic safety because of the tire fault initiation.Understand tire state constantly through tire pressure monitoring system, prevention is blown out, fuel-saving environmental protection! Tire pressure monitoring system (TPMS) has become the research and development focus of Chinese automobile electronic industry.
TPMS test macro of the present invention provides emission and the receiver module test platform of a cover fast detecting tire pressure monitoring system, is a test macro of making to measure of testing for TPMS.
Summary of the invention
The purpose of this invention is to provide the emission and the receiver module test platform of a cover fast detecting tire pressure monitoring system, be used for guaranteeing the qualified of its various indexs in the TPMS production run.
The objective of the invention is to realize through following technical scheme:
The TPMS test macro is made up of shielding box, module to be measured, probe, receiving antenna, frequency spectrograph, signal generator and function signal generator and the environment control unit that is connected on the shielding box; Probe, receiving antenna are arranged in the shielding box and through coaxial cable and link to each other with frequency spectrograph; Signal generator is arranged on outside the shielding box in first testing station, an end is connected with probe in the shielding box in the 3rd testing station, and other end and function signal generator connects, module to be measured.
Preferable, the environment control unit of the shielding box among the present invention also comprise temperature control equipment, be used for temperature in the shielding box, environment in the simulated automotive tire.
Preferable, the module to be measured in first, second testing station of the present invention: the expelling plate number after transmitter module and the encapsulation is four a integral multiple, promptly four, eight, 12 ...
The module to be measured of first testing station is a transmitter module; The module to be measured of second testing station is the transmitter after transmitter module and the emitting antenna encapsulation; The module to be measured of second testing station is the dash receiver module.
The TPMS test macro is made up of three testing stations:
First testing station is that the transmitter module testing procedure is following: launch a simulating signal through signal generator, the TPMS expelling plate is triggered making its emitting radio frequency signal, frequency spectrograph obtains radiofrequency signal through coaxial cable and probe, and signal is measured; Test parameter is burning, crest frequency, peak power, 30dB bandwidth, quiescent current test.
Second testing station is the test of the expelling plate after encapsulating: the gaseous tension control device pressurization through the TPMS shielding box triggers the TPMS expelling plate after encapsulating; Make its emitting radio frequency signal; Frequency spectrograph is connected with receiving antenna 7 through coaxial cable, obtains radiofrequency signal and signal is measured; Test parameter is crest frequency, peak power, bandwidth, pressure survey, temperature survey.
The 3rd testing station is the test of burning dash receiver receiving sensitivity: at first edit one section waveform that has defined and download in the function signal generator; With go forward side by side in the waveform transmission inlet signal generator of keeping row amplitude keying modulation (ASK) or frequency shift keying modulation (FSK), radio-frequency signal generator is transferred to the TPMS dash receiver through coaxial cable and probe with modulated wave to function signal generator through coaxial cable.
The isolation 80dB of the shielded box at station, the 3rd testing station; The pressurization maintaining body of the internal shield case at second station; Test software platform.
Main target of the present invention: accomplish burning and radio-frequency performance parameter testing to tire pressure monitoring system transmitting terminal and receiving end.Based on technique scheme, advantage of the present invention is that speed detects that the tire pressure monitoring system detection speed is fast, complete function, efficient are high, and the dirigibility of test macro is shortened the test duration also to reduce cost.
Description of drawings
Fig. 1 is the principle schematic of first testing station.
Fig. 2 is the principle schematic of second testing station.
Fig. 3 is the principle schematic of the 3rd testing station.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Shown in accompanying drawing; First testing station is that the transmitter module testing procedure is following: through signal generator 6 emissions one simulating signal; TPMS expelling plate 21 triggered making its emitting radio frequency signal, frequency spectrograph 4 obtains radiofrequency signal through coaxial cable and probe 3, and signal is measured; Test parameter is burning, crest frequency, peak power, 30dB bandwidth, quiescent current test.
Second testing station is the test of the expelling plate 2 after encapsulating: the environment control unit through TPMS shielding box 3 is that 32 pressurizations of gaseous tension control device trigger the TPMS expelling plate 2 after encapsulating; Make its emitting radio frequency signal; Frequency spectrograph is connected with receiving antenna 7 through coaxial cable, obtains radiofrequency signal and signal is measured; Test parameter is crest frequency, peak power, bandwidth, pressure survey, temperature survey.
The 3rd testing station is the test of burning dash receiver receiving sensitivity: at first edit one section waveform that has defined and download in the function signal generator 8; With go forward side by side in the waveform transmission inlet signal generator of keeping 6 row amplitude keying modulation (ASK) or frequency shift keying modulation (FSK), radio-frequency signal generator is transferred to the TPMS dash receiver through coaxial cable and probe with modulated wave to function signal generator 8 through coaxial cable.
Claims (4)
1.TPMS test macro is characterized in that: it is made up of shielding box, module to be measured, probe, receiving antenna, frequency spectrograph, signal generator and function signal generator and the environment control unit that is connected on the shielding box; Probe, receiving antenna are arranged in the shielding box and through coaxial cable and link to each other with frequency spectrograph; Signal generator is arranged on outside the shielding box in first testing station, an end is connected with probe in the shielding box in the 3rd testing station, and other end and function signal generator connects, module to be measured.
2. TPMS test macro according to claim 1 is characterized in that: the environment control unit of described shielding box also comprise temperature control equipment.
3. TPMS test macro according to claim 1 is characterized in that: the module to be measured in first, second testing station: the expelling plate number after transmitter module and the encapsulation is four a integral multiple.
4.TPMS test system and test method; It is characterized in that: be made up of three testing stations: first testing station is that the transmitter module testing procedure is following: launch a simulating signal through signal generator; The TPMS expelling plate triggered make its emitting radio frequency signal; Frequency spectrograph obtains radiofrequency signal through coaxial cable and probe, and signal is measured; Test parameter is burning, crest frequency, peak power, 30dB bandwidth, quiescent current test;
Second testing station is the test of the expelling plate after encapsulating: the gaseous tension control device pressurization through the TPMS shielding box triggers the TPMS expelling plate after encapsulating; Make its emitting radio frequency signal; Frequency spectrograph is connected with receiving antenna 7 through coaxial cable, obtains radiofrequency signal and signal is measured; Test parameter is crest frequency, peak power, bandwidth, pressure survey, temperature survey;
The 3rd testing station is the test of burning dash receiver receiving sensitivity: at first edit one section waveform that has defined and download in the function signal generator; With go forward side by side in the waveform transmission inlet signal generator of keeping row amplitude keying modulation (ASK) or frequency shift keying modulation (FSK), radio-frequency signal generator is transferred to the TPMS dash receiver through coaxial cable and probe with modulated wave to function signal generator through coaxial cable.
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| CN2011103791716A CN102494840A (en) | 2011-11-23 | 2011-11-23 | TPMS (tire pressure monitoring system) testing system and method |
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| CN2011103791716A CN102494840A (en) | 2011-11-23 | 2011-11-23 | TPMS (tire pressure monitoring system) testing system and method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075844A (en) * | 2014-07-29 | 2014-10-01 | 苏州工业职业技术学院 | Automobile tire pressure sensor testing system |
| CN104085261A (en) * | 2014-07-29 | 2014-10-08 | 苏州工业职业技术学院 | Activation controller for detecting automobile tire pressure sensor |
| CN104101462A (en) * | 2014-07-29 | 2014-10-15 | 苏州工业职业技术学院 | Shielding box for automobile tire pressure sensor testing system |
| CN104111142A (en) * | 2014-07-29 | 2014-10-22 | 苏州工业职业技术学院 | Test method of automobile tire pressure sensor |
| CN104943482A (en) * | 2015-07-06 | 2015-09-30 | 中国汽车技术研究中心 | Automobile tire pressure monitoring system testing device and testing method |
| CN105301422A (en) * | 2015-06-05 | 2016-02-03 | 江苏博锐格电子科技有限公司 | Board-level TPMS emission module batch testing system and testing method thereof |
| CN107972423A (en) * | 2017-11-22 | 2018-05-01 | 广东菲柯特电子科技有限公司 | Testing system and method of tire monitoring system |
| CN113014334A (en) * | 2020-11-03 | 2021-06-22 | 利尔达科技集团股份有限公司 | Test system and test method of UWB positioning module |
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| US7086272B2 (en) * | 2004-06-11 | 2006-08-08 | Min Wu | Calibration method for digital air pressure gauge |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104075844A (en) * | 2014-07-29 | 2014-10-01 | 苏州工业职业技术学院 | Automobile tire pressure sensor testing system |
| CN104085261A (en) * | 2014-07-29 | 2014-10-08 | 苏州工业职业技术学院 | Activation controller for detecting automobile tire pressure sensor |
| CN104101462A (en) * | 2014-07-29 | 2014-10-15 | 苏州工业职业技术学院 | Shielding box for automobile tire pressure sensor testing system |
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| CN104111142B (en) * | 2014-07-29 | 2017-01-11 | 苏州工业职业技术学院 | Test method of automobile tire pressure sensor |
| CN105301422A (en) * | 2015-06-05 | 2016-02-03 | 江苏博锐格电子科技有限公司 | Board-level TPMS emission module batch testing system and testing method thereof |
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| CN107972423A (en) * | 2017-11-22 | 2018-05-01 | 广东菲柯特电子科技有限公司 | Testing system and method of tire monitoring system |
| CN107972423B (en) * | 2017-11-22 | 2019-12-31 | 广东菲柯特电子科技有限公司 | Testing system and method of tire monitoring system |
| CN113014334A (en) * | 2020-11-03 | 2021-06-22 | 利尔达科技集团股份有限公司 | Test system and test method of UWB positioning module |
| CN113014334B (en) * | 2020-11-03 | 2022-08-12 | 利尔达科技集团股份有限公司 | Test system and test method of UWB positioning module |
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Address after: 215332 Jiangsu Province town Kunshan City Heng Tang Road No. 55 room 2 Applicant after: Suzhou Oufeite Electronic Technology Research Development Co.,Ltd. Address before: 215332 Jiangsu Province town Kunshan City Zhaofeng Road No. 18 Asia Pacific Plaza 1 1311-1314 room Applicant before: Suzhou Oufeite Electronic Technology Research Development Co.,Ltd. |
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Application publication date: 20120613 |