Hitachi 2p cold storage compressor How does the electronic expansion valve control the compressor to reduce energy loss during start and stop?
How does the electronic expansion valve reduce the energy loss of the compressor during start and stop? When the compressor is stopped, the electronic expansion valve can completely close the valve to prevent the refrigerant from flowing from the condenser to the evaporator; when the compressor starts, first control the opening of the electronic expansion valve to make the suction 1. The exhaust pressure quickly reaches equilibrium, and the compressor is then controlled to start the compressor, which not only reduces heat loss, but also makes the compressor easy to start. This is the effect of combining the wide range of flow adjustment characteristics of the electronic expansion valve with the frequency conversion characteristics of the inverter compressor. What sparks can be produced by the combined use of electronic expansion valve and compressor? Electronic expansion valve and compressor are indispensable refrigeration accessories in refrigeration equipment and refrigeration equipment, and they are used together with high efficiency. The electronic expansion valve and compressor frequency conversion speed regulation are used in conjunction with each other to achieve uninterrupted heat supply and rapid defrost. When defrosting, the four-way valve does not change direction, Hitachi cold storage compressor 5p, then the electronic expansion valve is opened, and then the compressor runs at high speed, circulates the refrigerant at a high flow rate, and uses the exhaust heat of the compressor to defrost This makes the defrost time not only short, but also reduces the additional energy consumption of the defrost. The Hitachi 101 cold storage compressor, more importantly, does not affect the heating efficiency. Therefore, mechatronics has become a new trend in the development of refrigeration systems.
compressor
Two scrolls of compressor and their functions The compressors commonly used in refrigeration systems have two scrolls, one is a moving scroll and the other is a static scroll. The center of the moving scroll in the compressor makes a circular motion around the center of the fixed scroll in the compressor under the drive of the main shaft. The compression of the moving scroll is a continuous process. In the second circular motion, part of the gas is compressed, the other part of the gas enters the scroll, and part of the gas is discharged. Therefore, the compression of the scroll compressor is completed by the two scrolls located above the compressor, and the scroll is located above the motor.
