Sealed environmental cabin for power assembly temperature experiment of pure electric vehicle

Abstract

A sealed environmental cabin for power assembly temperature experiment of a pure electric vehicle comprises an environmental cabin body and a power assembly, wherein the environmental cabin body is ina cuboid shape and is of an integrally enclosed structure, connection holes for power assembly semi-shafts are formed in two sides of the environmental cabin body, a power assembly support is arranged at a middle position of the interior of the environmental cabin body, the power assembly support is fixedly arranged at the middle position of the interior of the environmental cabin body by a support positioning hole formed in a bottom surface of the interior of the environmental cabin body, the power assembly is arranged on the power assembly support and is fixed, and the two power assembly semi-shafts of the power assembly respectively extend out of the connection holes for the power assembly semi-shafts formed in the two sides of the environmental cabin body and then are connected with an external load driving motor so as to provide power and torque for experiment. By the sealed environmental cabin, the experiment effect of the power assembly under a high or low temperature is ensured, the shock during working is overcome, the problems of wear resistance and heating of the semi-shafts under high-speed rotation are solved, and the sealed environmental cabin is suitable for temperature experiment of various power assemblies.

Description

technical field [0001] The invention relates to the field of test devices, in particular to a sealed environment chamber used for temperature tests of a power assembly of a pure electric vehicle. Background technique [0002] With the continuous development of automobile technology, new energy pure electric vehicles are also listed on the market. During the research and development process, various tests are required for the powertrain of pure electric vehicles. Temperature test is one of them. [0003] The powertrain of the pure electric vehicle in the prior art needs to be installed in a closed device when doing the temperature test. Since the weight of the whole powertrain is relatively heavy, it is impossible for the closed device to carry the powertrain during the test. In addition, the two semi-shafts at both ends of the powertrain need to extend out of the closed equipment for high-speed rotation, and the powertrain itself vibrates when it is running. Therefore, if v...

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Problems solved by technology

Therefore, if vibration is to be avoided, the semi-axis must rotate at high speed, and the temperature of the closed equipment must be sealed to maintain the temperature, which makes this detection method even more difficult. However, the traditional closed equipment in the prior art cannot guarantee sealing, high-speed rotation and vibration avoidance. The co-existence of these three cannot meet the test requirements, resulting in large errors in the final test results

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