Comprehensive detection method and detection system for automotive hydraulic automatic transmission control assembly
A technology of automatic transmission and control components, applied in the direction of machine gear/transmission mechanism testing, electrical testing/monitoring, etc., can solve problems such as increasing vehicle use cost and maintenance cost, failure of hydraulic automatic transmission to operate normally, and unsuitable operating environment. , to achieve the effect of breaking technological monopoly, promoting technological progress, and low failure rate
Inactive Publication Date: 2011-07-20
CHONGQING JIAOYU TECH
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Problems solved by technology
[0004] In the prior art, the hydraulic automatic transmission control assembly composed of solenoid valves has no effective detection means before loading. Therefore, because the control assembly itself is not suitable for the operating environment, failure will occur in a short period, resulting in hydraulic The power automatic transmission cannot operate normally, affecting the quality of the vehicle; increasing the use cost and maintenance cost of the vehicle
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[0052] The comprehensive detection method of the control assembly of the automobile hydraulic automatic transmission of the present embodiment includes the following steps:
[0053] Include the following steps:
[0054] a. Performance test of automatic transmission control components: test each solenoid valve of the automatic transmission control component; the solenoid valve detection method of the prior art can be used to test whether the action of the solenoid valve is smooth, whether the response is sensitive, whether the sealing performance and the passing ability meet the requirements;
[0055] b. Thermal shock test of automatic transmission control components:
[0056] b1 Soak the automatic transmission control components in the low-temperature transmission oil medium with a temperature of -40-0°C for more than 0.1 hour;
[0057] b2 Soak the automatic transmission control components in the high-temperature transmission oil medium with a temperature of 80-200°C for mor...
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The invention discloses a comprehensive detection method and a detection system for an automotive hydraulic automatic transmission control assembly. The method comprises the following steps of: performing a control assembly performance test, a control assembly thermal shock test, a control assembly immersion test and a control assembly pressure and temperature cycle test; simulating various complex working conditions of the hydraulic automatic transmission control assembly in the actual using process of an automobile under laboratory conditions; and comprehensively testing and evaluating the performance, reliability and service life of the automatic transmission control assembly. The detection system comprises a solenoid valve testing device, a mechanical system, a hydraulic system, an electrical control system and an automatic control system. The invention finishes comprehensive detection and evaluation of the automatic transmission control assembly through automatic means, can be widely applied to automobile manufacture enterprises, research and development mechanisms, detection mechanisms, quality measurement departments and maintenance enterprises, contributes to self-research and development of high-end automotive automatic transmissions, propels the technical progress of the industry, and has good economic and social benefits.
Description
technical field [0001] The invention relates to a method for testing auxiliary components of a hydraulic automatic transmission, in particular to a detection method and system for a control assembly of an automatic hydraulic transmission of an automobile. Background technique [0002] The hydraulic automatic transmission is a kind of transmission commonly used in some automatic transmission cars. Through the hydraulic control gear shifting operation, the hydraulic automatic transmission has good automatic adjustment and adaptability to external loads, so that the vehicle starts smoothly, accelerates evenly, and its vibration reduction The effect reduces the dynamic load and torsional vibration of the transmission system, prolongs the service life of the transmission system, improves the ride comfort, driving safety, passability and the average speed of the vehicle; especially the electronically controlled hydraulic automatic transmission, its performance is better It can ada...
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IPC IPC(8): G05B23/02G01M13/02
Inventor 孔繁茂
Owner CHONGQING JIAOYU TECH
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