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Test system for testing comprehensive performance of eddy current retarder and test method thereof

A technology of eddy current retarder and testing system, which is applied in the testing of machine/structural components, vehicle testing, measuring devices, etc. It can solve the problems of long cycle, complicated testing, high cost, etc., and achieve perfect functions and wide testing range , The effect of complete data collection

Inactive Publication Date: 2015-09-09
ANHUI ANKAI AUTOMOBILE
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Problems solved by technology

[0004] In order to overcome the shortcomings of complex testing, long cycle and high cost in the prior art, the present invention provides a test system for measuring the comprehensive performance of the eddy current retarder, which can continuously measure the retarder at various speeds. Torque characteristics, thermal decay characteristics and power loss and other indicators

Method used

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  • Test system for testing comprehensive performance of eddy current retarder and test method thereof

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Embodiment Construction

[0022] A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

[0023] like figure 1 As shown, the test system includes a PC 1, a dynamometer system 2, a torque speed sensor 3, an eddy current retarder 4, an electrical controller 5 and a power analyzer 6, and the output of the PC 1 is connected to the The input end of the dynamometer system 2 is connected, the dynamometer system 2 is connected to the eddy current retarder 4 through the transmission shaft 7, and the torque speed sensor 3 is used to detect the eddy current retarder 4, the electrical controller 5 can collect control signals to control the output torque of the eddy current retarder 4, and the power analyzer 6 is used to collect the sampled values ​​of the electrical controller 5 and feed them back to the PC Machine 1.

[0024] The dynamometer system 2 includes a dynamometer 21 , a clutch 22 , a gearbox 23 connected in sequence, and a dynamom...

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Abstract

The invention provides a test system for testing comprehensive performance of an eddy current retarder and a test method thereof. The test system comprises the components of a personal computer, a dynamometer system, a torque and rotating speed sensor, an eddy current retarder, an electric controller and a power analyzer. The test system can continuously measure the indexes such as moment characteristic, heat fade characteristic, zero-load wind resistance and power loss of the eddy current retarder at each speed. The test system has advantages of relatively complete function, complete data acquisition, high speed regulation performance and wide test range.

Description

technical field [0001] The invention relates to a test system and a test method for measuring the comprehensive performance of an eddy current retarder. Background technique [0002] The eddy current retarder is a way of auxiliary braking of passenger cars, commonly known as "electric brake". Mainly used in large passenger cars, urban public transport vehicles and heavy trucks. Between the car drive axle and the gearbox, the non-contact braking is realized through the principle of electromagnetic induction. When we apply DC power to the rotor coil of the retarder in a certain way (pushing the hand gear switch of the retarder, or stepping on the brake pedal), a magnetic field will be generated in the rotor coil, and the magnetic field will be in the adjacent core, A loop is formed between the magnetic pole plate, the air gap, and the rotor. At this time, if there is relative motion between the rotor and the rotor, this motion is equivalent to the conductor cutting the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M17/007
Inventor 付冠东王黎明赵圣宝刘超王军
Owner ANHUI ANKAI AUTOMOBILE
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