Micromotor adjusting device for displacement of compressor

Abstract

The invention discloses a micromotor adjusting device for the displacement of a compressor. The micromotor adjusting device for the displacement of the compressor is arranged on an air cylinder provided with an air cylinder hole, and further comprises a rotary switch and a micromotor, the micromotor is fixed to the air cylinder, the output end of the micromotor is connected with the rotary switch, and the air cylinder is further provided with a drainage hole. The rotary switch is located on a communicating air channel of the air cylinder hole and the drainage hole and can switch the communicating state between the air cylinder hole and the drainage hole. The invention further discloses a working method of the micromotor adjusting device for the displacement of the compressor. The micromotor drives the rotary switch to achieve communication and disconnection of the air cylinder hole and the drainage hole, the refrigerating capacity is adjusted by controlling the output quantity of refrigerant gas, and the mode is different from the refrigerating capacity adjusting mode of a variable-rotating-speed compressor and can not be limited by the low limit of the rotating speed of a compressor motor; and the refrigerating capacity lower than the refrigerating capacity of the variable-rotating-speed compressor at the lowest rotating speed can be output, so that the a larger refrigerating capacity output adjusting range is achieved.

Description

technical field [0001] The present invention relates to refrigeration compressors, more specifically, it relates to a micro-motor adjustment device for compressor displacement. Background technique [0002] With the development of the national economy, people's living standards have gradually improved. Consumers have higher and higher requirements for energy saving, moisturizing and fresh keeping of refrigerators and freezers. As the core component of refrigerators and freezers, compressors are the key to improving the quality of refrigeration appliances. Inside the compressor, the cylinder is one of the main working parts. According to the technical characteristics of the refrigeration system, refrigeration appliances have very different demands on the cooling capacity of the compressor under different ambient temperatures. For example, the heat load of a refrigerator at a 16°C ambient temperature is only about half of that at a 32°C ambient temperature, which objectivel...

AI Technical Summary

Problems solved by technology

However, the adjustment of the cylinder volume of the compressor in this invention can only be performed when leaving the factory, and cannot be performed when the user is using it. Therefore, the cooling capacity output cannot be adjusted according to the cooling capacity demand difference during operation at different ambient temperatures, and the overall power consumption of the refrigeration system can be reduced.

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