CN103868645A - Fixture for TPMS (tire pressure monitoring system) detection - Google Patents

Fixture for TPMS (tire pressure monitoring system) detection Download PDF

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Publication number
CN103868645A
CN103868645A CN201310624067.8A CN201310624067A CN103868645A CN 103868645 A CN103868645 A CN 103868645A CN 201310624067 A CN201310624067 A CN 201310624067A CN 103868645 A CN103868645 A CN 103868645A
Authority
CN
China
Prior art keywords
base
cover
tpms
fixture
detection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201310624067.8A
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Chinese (zh)
Inventor
杨中伟
左杰
何银山
耿纯洁
耿向阳
侯斐
杨小兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongfeng Automobile Electronics Co Ltd
Original Assignee
Dongfeng Automobile Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dongfeng Automobile Electronics Co Ltd filed Critical Dongfeng Automobile Electronics Co Ltd
Priority to CN201310624067.8A priority Critical patent/CN103868645A/en
Publication of CN103868645A publication Critical patent/CN103868645A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a fixture for TPMS (tire pressure monitoring system) detection, which belongs to the technical field of automobile electronic detection and mainly solves the problem that the completeness and the accuracy of a testing signal are influenced due to the fact that the fixture for detection has certain electromagnetic shielding performance. The fixture is mainly characterized by consisting of a base, a screw assembly, an upper cover, a sealing rubber ring, a standard industrial ventilation port and a ventilation hose, wherein the base and a pressing plate are made of aluminum alloy, a uniform thickness structure is arranged in the periphery, a groove cavity shape is formed in the middle, a base boss is over against the upper cover, matched screw connecting holes are arranged between the base boss and the upper cover, the sealing rubber ring is positioned between the base boss and the upper cover, the base and the pressing plate are mounted into a whole by the screw assembly, and TMPS mounting holes, the standard industrial ventilation port and the ventilation hose are arranged on the pressing plate. The fixture has the characteristics of simple structure, small size, light weight, high operability and high reliability and is mainly used for automobile TPMS detection.

Description

A kind of TPMS detection fixture
Technical field
The invention belongs to automotive electronics detection technique field, be specifically related to a kind of independent or multiple fixture interlock intercommunication patterns that adopt, simulate different work condition states, detect the fixture of TPMS system (tire pressure monitoring system) performance state.
Background technology
In TPMS system testing process, for ease of detecting TPMS system performance, reliability, sealing stability, conventionally will organize test test specimen more and under different temperatures, pressure working condition, detect simultaneously.
At present, common detection fixture, all adopts hermetically sealed shell structure, and TPMS system transmitter is placed at fixture internal freedom.On the one hand, can not simulate the confined state of TPMS transmitter in actual application, test; On the other hand, can not make the TPMS transmitter exemplar while under different operating modes, and with serious electromagnetic wave shielding, affect test accuracy, bring misleading to detection, affect development progress.
Therefore, need a set of new exclusive of design invention to detect fixture.
Summary of the invention
Object of the present invention is exactly a kind of TPMS system detection fixture providing for above-mentioned deficiency, not only can imitation specimen car load confined state, and adopt aluminium alloy to make, and be convenient to processing and manufacturing, without electromagnetic screen, can simulate car load assembly environment completely; Meanwhile, this fixture adopts modular design, can make interlock intercommunication pattern of multiple fixture compositions, meets testing requirement, ensures personnel's handling safety.
Technical solution of the present invention is: a kind of TPMS detection fixture, is characterized in that: be made up of base, screw assembly, upper cover, sealing rubber ring, standard industry ventilation interface and steam hose; Wherein, this base, upper cover adopt aluminum alloy material, the middle shape that forms groove cavity; Base and upper cover are just right, have screw rod connecting hole therebetween; Sealing rubber ring is between base and upper cover, and base and upper cover are tightened to an entirety by screw assembly; Upper capping is provided with TPMS system transmitter mounting hole, standard industry ventilation interface and steam hose.
Base described in technical solution of the present invention and upper cover fitting surface, be annular plane; Screw rod connecting hole described in base and upper cover is 4, symmetrical; Described base fitting surface is provided with seal boss along inside circumference, for overall press seal.
Steam hose described in technical solution of the present invention is connected with air-stopping valve and air pump.
The TPMS detection fixture being made up of base, screw assembly, pressing plate, sealing rubber ring, standard industry ventilation interface and steam hose described in technical solution of the present invention is 4 covers, this 4 cover TPMS detects and uses the steam hose of fixture to be connected with one end of air-stopping valve respectively, and the other end of these 4 air-stopping valves is connected with air pump by 3 industrial three-way interfaces.
The present invention is owing to adopting the TPMS detection fixture being made up of base, screw assembly, upper cover, sealing rubber ring, standard industry ventilation interface and steam hose, wherein, this base, upper cover adopts aluminum alloy material, surrounding is even thick-walled structure, the middle shape that forms groove cavity, base and upper cover are just right, on base fitting surface with boss and four bolt mounting holes of a toroidal, on be covered with TPMS system transmitter mounting hole, standard industry ventilation interface and four bolt mounting holes, O-ring seal is between base boss face and upper cover fitting surface, base and upper cover are mounted to an entirety by screw assembly, make to form closed cavity by TPMS system transmitter and standard industry ventilation interface is installed between base and upper cover, in the time that steam hose is arranged on ventilation pump with fine tuning structure and standard industry ventilation interface, can in fixture, provide necessary detection air pressure.The present invention is owing to 4 cover TPMS detections can being connected with 4 air-stopping valves, 3 industrial three-way interfaces, air pumps by steam hose respectively with fixture, thereby can realize the in parallel step by step of fixture, make fixture cavity internal pressure, temperature and unanimously or as required arrange, flexible and changeable.
The present invention not only can carry out performance test in car load installment state by analog equipment compared with prior art, can also carry out system step by step the in parallel TPMS system that makes under different pressure, temperature conditions, detect simultaneously; In addition, also have simple in structure, volume is little, lightweight feature, operability, the feature that reliability is high.The present invention is mainly used in automobile TPMS systems inspection fixture.
brief description of the drawings
Fig. 1 is contour structures schematic diagram of the present invention.
Fig. 2 is the cut-open view of Fig. 1.
Fig. 3 is base contour structures schematic diagram of the present invention.
Fig. 4 is the cut-open view of Fig. 2.
Fig. 5 is sealing rubber ring structural representation of the present invention.
Fig. 6 is superstructure schematic diagram of the present invention.
Fig. 7 is the cut-open view of Fig. 6.
Fig. 8 is functional schematic of the present invention.
Fig. 9 is the schematic diagram of parallel function step by step of the present invention.
Embodiment
As shown in Figures 1 to 9, TPMS detection is made up of base 1, screw assembly 4, upper cover 3, sealing rubber ring 2, standard industry ventilation interface 6 and steam hose 5 with fixture, whole fixture is connected by steam hose 5 and air-stopping valve 16 and air pump 17 or by standard industry ventilate interface 6, air-stopping valve group 19, industrial three-way interface group 20, air pump 17, realize the in parallel step by step of fixture, complete the detection that multisystem is worked simultaneously.
As shown in Figure 1 and Figure 2, be that TPMS of the present invention detects the contour structures schematic diagram with fixture, by base 1, sealing rubber ring 2, upper cover 3, screw assembly 4, standard industry ventilation interface 6, steam hose 5 forms, and finally completes fastening by screw assembly 4.
As shown in Figure 3, Figure 4, be the contour structures schematic diagram of base 1 of the present invention.Wherein, base 1 is manufactured by aluminium alloy, comprises internal cavities 8, seal boss 9, and the structures such as screw fastening hole 10, are placed on testing platform by bottom placed mesa, guarantee to place and stablize, conveniently moving.
As shown in Figure 5, be the contour structures schematic diagram of sealing rubber ring 2 of the present invention.Sealing rubber ring 2 is by high temperature resistant, low temperature, and nontoxic rubber manufacture, comprises 4 mounting-positioning holes 11.Sealing rubber ring 2 one-piece constructions are positioned on the seal boss 9 in base 1, seal, and screw assembly 4 is by mounting-positioning holes 11 simultaneously, sealing rubber ring 2 is carried out to located lateral to be fixed, prevent under atmospheric pressure state, sealing rubber ring sends distortion, displacement, causes gas leakage.
As shown in Figure 6, Figure 7, be upper cover 3 structural representations of the present invention.Wherein, upper cover 3 is manufactured by aluminium alloy, comprises the structures such as 13,1 standard industry ventilation interface mounting holes 14 of 12,3 TPMS mounting holes of 4 screw holes.Upper cover 3 is positioned on sealing rubber ring 2, carries out fastening by screw assembly 4 to it.
As shown in Figure 8, be functional schematic of the present invention.Wherein, TPMS detects and comprises by system: TPMS detects and forms with fixture 15, air-stopping valve 16, air pump 17, air pump 17 by steam hose through air-stopping valve 16
Detect with pressure is provided in fixture to TPMS, in the time that TPMS detection reaches required value with fixture 15 pressure, air-stopping valve 16 turn-offs, and forms a complete airtight cavity.
As shown in Figure 9, be the schematic diagram of parallel function step by step of the present invention.Wherein parallel system comprises step by step: multisystem TPMS detects with fixture 18 4 covers altogether, and multisystem air-stopping valve 19 amounts to 4 covers, and the industrial three-way interface 20 of multisystem amounts to 3 and overlaps, mix proportion multisystem detection chucking appliance system.
The present invention compared with prior art has that quality is light, volume is little, convenience is mobile, and material is easy to machine-shaping, and unshielded characteristic ensures the feature such as integrality of detection signal; Meanwhile, adopt standard interface, facilitate multisystem in parallel step by step, complete the feature that multisystem online detection simultaneously and multi-state detect.

Claims (4)

1. a TPMS detection fixture, is characterized in that: be made up of base, screw assembly, pressing plate, sealing rubber ring, standard industry ventilation interface and steam hose; Wherein, this base, pressing plate adopt aluminum alloy material, are around heavy wall, the middle shape that forms groove cavity; Base fitting surface and boss and upper cover are just right, between be provided with the screw rod connecting hole of cooperation; Sealing rubber ring is between base boss and upper cover, and base and upper cover are mounted to entirety by screw assembly; On be covered with TPMS system transmitter mounting hole, standard industry ventilation interface and steam hose.
2. a kind of TPMS detection fixture according to claim 1, is characterized in that: described base fitting surface and upper cover fitting surface are annular; Described screw rod connecting hole is 4, symmetrical; Described base fitting surface is provided with seal boss along inside circumference.
3. a kind of TPMS detection fixture according to claim 1 and 2, is characterized in that: described steam hose is connected with air-stopping valve and air pump.
4. a kind of TPMS detection fixture according to claim 3, it is characterized in that: the described TPMS detection fixture being made up of base, screw assembly, upper cover, sealing rubber ring, standard industry ventilation interface and steam hose is 4 covers, this 4 cover TPMS detects and uses the steam hose of fixture to be connected with one end of air-stopping valve respectively, and the other end of these 4 air-stopping valves is connected with air pump by 3 industrial three-way interfaces.
CN201310624067.8A 2013-11-29 2013-11-29 Fixture for TPMS (tire pressure monitoring system) detection Pending CN103868645A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310624067.8A CN103868645A (en) 2013-11-29 2013-11-29 Fixture for TPMS (tire pressure monitoring system) detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310624067.8A CN103868645A (en) 2013-11-29 2013-11-29 Fixture for TPMS (tire pressure monitoring system) detection

Publications (1)

Publication Number Publication Date
CN103868645A true CN103868645A (en) 2014-06-18

Family

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CN201310624067.8A Pending CN103868645A (en) 2013-11-29 2013-11-29 Fixture for TPMS (tire pressure monitoring system) detection

Country Status (1)

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CN (1) CN103868645A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110953547A (en) * 2019-12-10 2020-04-03 东风汽车有限公司 Thick-wall part for vehicle lamp and vehicle lamp

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4483178A (en) * 1983-01-18 1984-11-20 Miille Jerry L Pneumatic-digital converter system and method
CN87210426U (en) * 1987-08-07 1988-05-18 吉林省梨树县计量仪器研究所 Air-controlled standard piston pressure gauge
US7146844B2 (en) * 2002-12-16 2006-12-12 Columbus Equipment Company Apparatus and method for testing hydraulic pressure relief valves
CN102085642A (en) * 2010-11-15 2011-06-08 陕西飞机工业(集团)有限公司 Wing population area shot peening strengthening tool
CN202362113U (en) * 2011-11-23 2012-08-01 苏州欧菲特电子技术研发有限公司 TPMS (tire pressure monitoring system)
CN203688150U (en) * 2013-11-29 2014-07-02 东风汽车电子有限公司 Fixture used for TPMS detection

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4483178A (en) * 1983-01-18 1984-11-20 Miille Jerry L Pneumatic-digital converter system and method
CN87210426U (en) * 1987-08-07 1988-05-18 吉林省梨树县计量仪器研究所 Air-controlled standard piston pressure gauge
US7146844B2 (en) * 2002-12-16 2006-12-12 Columbus Equipment Company Apparatus and method for testing hydraulic pressure relief valves
CN102085642A (en) * 2010-11-15 2011-06-08 陕西飞机工业(集团)有限公司 Wing population area shot peening strengthening tool
CN202362113U (en) * 2011-11-23 2012-08-01 苏州欧菲特电子技术研发有限公司 TPMS (tire pressure monitoring system)
CN203688150U (en) * 2013-11-29 2014-07-02 东风汽车电子有限公司 Fixture used for TPMS detection

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110953547A (en) * 2019-12-10 2020-04-03 东风汽车有限公司 Thick-wall part for vehicle lamp and vehicle lamp

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Application publication date: 20140618