Engine air conditioner load testing equipment
A load test and engine technology, applied in the direction of engine testing, machine/structural component testing, measuring devices, etc., can solve problems such as imperfection, waste of manpower, time refrigerant, performance and reliability of air-conditioning compressors, etc. , to achieve the effect of high work efficiency and small equipment volume
Pending Publication Date: 2019-04-23
湖南研华机电设备有限公司
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Problems solved by technology
This is not only a waste of manpower, time, and refrigerant, but also cannot perfectly cooperate with the bench to evaluate the performance and reliability of the air conditioner compressor.
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[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0028] see figure 1 and 2 As shown, the present invention provides an engine air conditioner load test device 100, which includes a refrigerant pipeline 1, and communicates with the high and low pressure pipelines of the engine air conditioner 200 through the refrigerant pipeline 1, and the engine air conditioner load test equipment 100 Also includes: controller 2, analog input module 3, analog output module 4, radiator 5, refrigerator 6, electronic expansion...
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The invention discloses engine air conditioner load testing equipment. The engine air conditioner load testing equipment comprises a refrigerant pipeline and is communicated with a high / low-pressure pipeline of an engine air conditioner through the refrigerant pipeline; the engine air conditioner load testing equipment also comprises a controller, an analog input module, an analog output module, arefrigerator and a sensor module, wherein the controller is respectively connected with the analog input module and the analog output module; the sensor module is arranged on the refrigerant pipelineand is connected with the analog input module; the refrigerator is arranged on the refrigerant pipeline and is connected with the analog output module. The engine air conditioner load testing equipment disclosed by the invention has the beneficial effects that the equipment volume is small, engine air conditioners in different power levels can be met, and a variable temperature and a variable load are provided; the disadvantages that an existing overtested load cannot be regulated, testing equipment is large in volume, and connecting work is complicated can be overcome; the engine air conditioner load testing equipment can be repeatedly utilized, is environmental-friendly and is high in working efficiency.
Description
【Technical field】 [0001] The invention relates to the technical field of engine air conditioner testing, in particular to an engine air conditioner load test device. 【Background technique】 [0002] In order to provide a more comfortable riding environment for the passengers in the car, almost all vehicles on the market are equipped with air conditioners, and the air conditioner compressor is an important part of the entire air conditioning system, which is equivalent to the human heart. Therefore, a test device is needed to analyze and evaluate the reliability of the air-conditioning compressor of the engine. [0003] In the related art, the air-conditioning compressors of the engine test bench generally run dry or are under a fixed load. When the engine speed changes, the power of the air conditioner compressor increases accordingly, and the cooling power is fixed. During the test, the load of the refrigerator is allocated according to the maximum power of the bench. In ma...
Claims
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IPC IPC(8): G01M15/02
CPCG01M15/02
Inventor 李亮
Owner 湖南研华机电设备有限公司