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Eight-speed automatic transmission switching valve responsiveness test device and test method

A technology of automatic transmission and test device, which is applied in the field of transmission test, can solve the problems of inability to test the response of the switch valve of the whole transmission, and the inability to simulate the working environment of the switch valve, so as to achieve the effect of real and reliable results

Active Publication Date: 2021-06-29
HARBIN DONGAN AUTOMOTIVE ENGINE MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, most automatic transmissions on the market use on-off valves to realize electronic shifting and other logic functions. Since the transmission housing has no on-off valve oil circuit, it is impossible to test the on-off valve response on the whole transmission.
At present, the measurement of the response of the switching valve of the automatic transmission is to test and evaluate it on the single test bench of the solenoid valve. The defect of this measurement method is that it cannot simulate the actual working environment of the switching valve in the transmission machine. Device and method capable of dynamically measuring on-off valve responsiveness on a complete machine test bench

Method used

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  • Eight-speed automatic transmission switching valve responsiveness test device and test method
  • Eight-speed automatic transmission switching valve responsiveness test device and test method
  • Eight-speed automatic transmission switching valve responsiveness test device and test method

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specific Embodiment approach 1

[0029] Specific implementation mode one: combine figure 1 To illustrate, this embodiment discloses an 8-speed automatic transmission switching valve response test device, including a drive motor 1, a test tool 2, two pressure sensors 4, a TCU 5, a control device 6, an oil temperature control device 7, and a speed control module 8 and computer 9;

[0030] The oil temperature control device 7 is connected to the tested transmission 3 through the oil inlet and outlet pipes, the tested transmission 3 is connected to the TCU5 through the wiring harness, the TCU5 is connected to the control device 6 through the signal line, and the valve of the tested transmission 3 Two pressure sensors 4 are installed in the body, and the two pressure sensors 4 are all connected to the control device 6 through the signal line, and the control device 6 is connected to the computer 9 through the network cable (thus realizing collecting the pressure signal and controlling the pressure signal by the co...

specific Embodiment approach 2

[0031] Specific implementation mode two: as figure 1 As shown, this embodiment is a further description of Embodiment 1, and the heating method of the oil temperature control device 7 is resistance wire heating.

specific Embodiment approach 3

[0032] Specific implementation mode three: as figure 1 , image 3 As shown, this embodiment discloses a method of using the device described in Embodiment 1 or Embodiment 2 to realize the test of the response test of the switching valve of an 8-speed automatic transmission. The method is realized by means of a working oil circuit, and the working oil The circuit includes switch valve three 12, limp valve 20, brake 25, solenoid valve one 24, switch valve one 11, switch valve two 13, logic valve 21, solenoid valve two 22, clutch 26, main oil circuit 23 and seven branch oil circuits , the seven branch oil roads are oil road one 14, oil road two 19, oil road three 18, oil road four 10, oil road five 15, oil road six 16 and oil road seven 17;

[0033] The clutch 26 and the brake 25 are all installed on the transmission wheel train of the valve body of the transmission 3 under test, the switch valve three 12, limp valve 20, electromagnetic valve one 24, switch valve one 11, switch ...

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Abstract

The invention discloses an eight-speed automatic transmission switching valve responsiveness test device and a test method, and belongs to the technical field of transmission test. An oil temperature control device is connected with the tested transmission through an oil inlet and outlet pipe, a tested transmission is connected with a TCU through a wire harness, the TCU is connected with the control device through a signal line, two pressure sensors are installed in the tested transmission and connected with the control device through signal lines, and the control device is connected with a computer through a network cable; and the computer is connected with the oil temperature control device and a rotating speed control module, a test tool is fixedly arranged on an output shaft of a driving motor, the tested transmission is fixed on the test tool, and the driving motor is connected with the rotating speed control module. A third switch valve, a limp valve, a brake, a first electromagnetic valve, a first switch valve, a second switch valve, a logic valve, a second electromagnetic valve and a clutch are all installed in the tested transmission. The device is used for the responsiveness trial and test of the eight-speed automatic transmission switch valve.

Description

technical field [0001] The invention relates to an 8-speed automatic transmission switch valve response test device and a test method, belonging to the technical field of transmission tests. Background technique [0002] At present, most automatic transmissions on the market use on-off valves to realize electronic shifting and other logic functions. Since the transmission housing has no on-off valve oil circuit, it is impossible to test the on-off valve responsiveness on the whole transmission. At present, the measurement of the response of the switching valve of the automatic transmission is to test and evaluate it on the single test bench of the solenoid valve. The defect of this measurement method is that it cannot simulate the actual working environment of the switching valve in the transmission machine. A device and method capable of dynamically measuring the responsiveness of an on-off valve on a complete machine test bench. Contents of the invention [0003] One of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M13/00G01R31/00
CPCG01M13/00G01R31/00
Inventor 孙再胜王君张新亮李晓龙武庆震陈昕张鹏赵长春杨金民吴鹏李长硕陈明阳刘晓宇刘新慧马道明张天枢夏士泽张帅左志辉刘小通李东洋于小博姜鹏张雪波
Owner HARBIN DONGAN AUTOMOTIVE ENGINE MFG CO LTD
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