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Pneumatic shift solenoid valve integrated characteristic test device and test method

A comprehensive characteristic, pneumatic shifting technology, applied in the direction of mechanical valve testing, etc., can solve the problems of single test function, affected by external conditions, easy to fail, etc., to improve accuracy and efficiency, simple design and layout, improve test The effect of efficiency

Pending Publication Date: 2020-02-07
INST OF LASER & OPTOELECTRONICS INTELLIGENT MFG WENZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Generally, when conducting comprehensive characteristic tests of pneumatic solenoid valves, the traditional test method is to build corresponding test systems for the characteristics of solenoid valves and conduct corresponding characteristic tests respectively. This method is difficult to operate, and it is necessary to switch tests when testing different characteristics. The system and the system platform are cumbersome to build, and it is necessary to manually control the valve under test frequently, which is easily affected by external conditions, has a high error coefficient, is often time-consuming and laborious, and is extremely prone to failure during the test process. The test function is single and has great limitations. sex

Method used

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  • Pneumatic shift solenoid valve integrated characteristic test device and test method
  • Pneumatic shift solenoid valve integrated characteristic test device and test method
  • Pneumatic shift solenoid valve integrated characteristic test device and test method

Examples

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Embodiment

[0028] Embodiment: a kind of comprehensive characteristic test device of pneumatic shift solenoid valve, such as Figure 1-6As shown, it includes a test bench 1, which is provided with an air supply mechanism 2; the test bench 1 is also provided with a fixture 3, and the first test valve 4 and the second tested valve are fixed on the fixture 3. Measured valve 5; the clamp 3 includes a base 6 fixed on the test bench 1, the base 6 is provided with a first positioning step hole 7 for the valve seat of the first tested valve 4 to be inserted, and the base 6 is provided with a first positioning step hole 7 for the first valve seat to be tested. The second positioning step hole 8 where the valve seat of the valve 5 under test is inserted; the base 6 is provided with a first internal air circuit 9, and the first positioning step hole 7 and the second positioning step hole 8 are all connected to the first positioning step hole 8. The internal air passage 9 communicates; the base 6 is ...

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Abstract

The invention discloses a pneumatic shift solenoid valve integrated characteristic test device and test method. The pneumatic shift solenoid valve integrated characteristic test device comprises an experiment table; a gas supply mechanism is arranged on the experiment table; a clamp is also arranged on the experiment table; a first tested valve and a second tested valve are fixed to the clamp; theclamp comprises a base which is fixed to the experiment table; a first internal gas pipe is arranged in the base; both a first positioning stepped hole and a second positioning stepped hole communicate with the first internal gas pipe; a plurality of sensor interfaces and flow meter interfaces which communicate with the first internal gas pipe are formed in the base; the base is connected with afirst pressure sensor and a second pressure sensor through the sensor interfaces; and the base is connected with a first flow meter and a second flow meter through the flow meter interfaces. The pneumatic shift solenoid valve integrated characteristic test device and test method can test two types of solenoid valves simultaneously, and has the characteristics of simple design and layout, low costand wide applicability; in addition, frequent manual operation is not required, so that the test effect is good.

Description

technical field [0001] The invention relates to the technical field of detection and measurement of electromagnetic valve characteristics, in particular to a comprehensive characteristic testing device and a testing method for a pneumatic shift solenoid valve. Background technique [0002] The shift pneumatic solenoid valve in the vehicle gearbox is used as the actuator of its shift system. During the operation of the gearbox system, the requirements for the working characteristics of the pneumatic solenoid valve are often extremely high. If the characteristics of the pneumatic solenoid valve do not meet the requirements, the working performance of the gearbox will be affected, and in severe cases, the vehicle will malfunction. Therefore, this type of solenoid valve has always had very strict production requirements, and at the same time, the test of its comprehensive characteristics is also very important. [0003] Generally, when conducting comprehensive characteristic te...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M13/003
CPCG01M13/003
Inventor 李勇丁克强赵杨黄旭晨申允德
Owner INST OF LASER & OPTOELECTRONICS INTELLIGENT MFG WENZHOU UNIV
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