Test bed for hydraulic automatic transmission and control method for same
An automatic transmission and control method technology, applied in electrical program control, machine gear/transmission mechanism testing, program control in sequence/logic controllers, etc. Reduced damage events, good versatility
Active Publication Date: 2013-04-03
SPECIAL VEHICLE TECH CENT OF HUBEI AEROSPACE TECH RES INST
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[0006] However, these patents do not have rear-end braking devices, automatic cycle testing, automatic filling of hydraulic oil, automatic temperature control, abnormal emergency handling, etc., which are suitable for automatic hydraulic transmission detection, testing, and running-in related devices and functions, practicability, and functions. have great limitations and deficiencies
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[0027] Such as figure 1 As shown, the core subsystems of the test control system and working condition monitoring system are integrated in the industrial computer control system shown in the figure, the instrumentation system belongs to the peripheral subsystem of the working condition monitoring system, and the core subsystem of the test control system and working condition monitoring system Communication within the industrial computer control system. The input drive system is composed of drive motor, frequency converter, sensor and coupling. The "drive motor frequency converter" box in the figure represents the main control parts of the input drive system, and the "torque meter" box represents many drive speeds and torques. and other sensor units. The main control components, sensor unit, transmission electronic control unit, automatic oil temperature control system, hydraulic oil automatic filling / draining system, and instrumentation system of the input drive system are re...
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The invention discloses a test bed for a hydraulic automatic transmission and a control method for the test bed. The test bed comprises an input drive system, a working condition monitoring system, a test control system, an oil temperature automatic control system, a hydraulic oil automatic filling / draining system and an output brake system, wherein the test control system is provided with a first emergency stop button, a second emergency stop button and a third emergency stop button. The test bed and the control method disclosed by the invention provide the automatic oil temperature detection and pre-heating system, and the output brake system for the hydraulic oil of the transmission, meet the characteristics of the hydraulic automatic transmission, as well as are good in engineering applicability, and high in measurement efficiency and test efficiency. Programmed control can be performed on predetermined test items via the control system, thus avoiding the error brought by manual operations in many times of tests. The test bed and the control method disclosed by the invention are universal for a running-in test for the hydraulic automatic transmission, performance measurement and test for a rack and a reliability test for the rack, not limited to the test range for small and medium-sized hydraulic automatic transmissions of cars and the like, and good in universality.
Description
technical field [0001] The invention relates to a hydraulic automatic transmission test bench and a control method thereof. Background technique [0002] With the development of the automobile industry, hydraulic automatic transmissions are showing a trend of rapid popularization. After the production of hydraulic automatic transmissions is completed, it is an indispensable link to load them on the test bench for function and performance tests and running-in tests. At present, hydraulic automatic transmissions are widely used in small and medium-sized chassis vehicles such as cars, and the design of the test bench only meets the requirements of specific test items. The expandability is not good, and the cost is high. There is no engineering in my country for high-power hydraulic automatic transmissions. For product application, its bench test technology is still in the process of exploration. [0003] Through the key words "hydraulic transmission", "automatic transmission", ...
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IPC IPC(8): G01M13/02G05B19/04
Inventor 李兴龙杨蕾向雪峰周谊张波
Owner SPECIAL VEHICLE TECH CENT OF HUBEI AEROSPACE TECH RES INST