1. the basic working principle of the refrigerator

 

The refrigeration technology inside the display case is achieved through a refrigerator. The basic working principle of the refrigerator is to achieve the cooling of the object through the process of compression refrigerant, condensation, expansion and evaporation. The necessary cooling substances in nature are called “refrigerants”, whose basic characteristics are that they can be changed from liquid to gas at room temperature and pressure, and then from gas to liquid, such as the current widely used freon. In the actual refrigeration process, the refrigerant undergoes expansion, compression, condensation, evaporation and other processes. In these processes, the refrigerant absorbs or releases heat while reducing the temperature in the display cabinet.

 

2. the refrigeration process in the display cabinet:

 

The basic process of working refrigeration is: in the refrigerant circulation system, the low temperature and low pressure refrigerant is compressed into high temperature and high pressure refrigerant gas by the compressor.

The high-temperature and high-pressure refrigerant gas enters the condenser and is cooled into a high-pressure liquid by an external fan.

The high-pressure liquid refrigerant flows into the evaporator, and the refrigerant evaporates inside and absorbs the heat inside the display cabinet to reduce the temperature inside the display cabinet.

After a certain evaporation process in the evaporator, the refrigerant becomes a low-temperature and low-pressure refrigerant gas and returns to the compressor cycle, so that the cycle continues.

 

3. Factors affecting the cooling effect of display cabinet:

In the refrigeration process of the display cabinet, the refrigeration effect of the cyclic compression refrigerator and condenser mainly depends on many factors such as the temperature inside the display cabinet, the temperature of the surrounding environment, the volume of the display cabinet and the power of the refrigerator. Different display cases have different cooling requirements. They also require refrigeration machinery and technology to achieve optimal cooling results.

 

To sum up, the refrigeration technology of the display cabinet is achieved by circulating the compressed refrigerant fluid, which reduces the temperature inside the display cabinet to achieve the goal of refrigeration. However, the refrigeration effect is affected by many factors, and the quality of refrigeration equipment and refrigeration technology will directly affect the refrigeration effect.

 

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