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What is the refrigeration principle of a mini refrigerator?

Update:2021-05-21
Summary: 1. The compressor compresses the refrigerant gas, which will increase the pressure and temperature of the refrigerant (orange), and the heat exchang...
1. The compressor compresses the refrigerant gas, which will increase the pressure and temperature of the refrigerant (orange), and the heat exchange coil outside the refrigerator helps the refrigerant dissipate the heat generated by pressurization.
2. When the refrigerant flows through the safety valve, the liquid refrigerant flows from the high pressure area to the low pressure area, so it will expand and evaporate (light blue)
3. When the refrigerant cools, the refrigerant liquefies into a liquid form (purple) and flows through the safety valve.
4. During the portable freezer manufacturers evaporation process, it will absorb heat and exert its cooling effect.
5. The coil in the refrigerator helps the refrigerant absorb heat and keeps the inside of the refrigerator low. Then, the cycle is repeated.
How about the cooling effect of the mini refrigerator
How is the cooling effect of the mini refrigerator?
The refrigeration capacity of the mini refrigerator is small, which is determined by the area of the silicon chip and the heat dissipation capacity of the semiconductor refrigeration. For refrigerators with the same volume, the refrigerator compressor has the strongest cooling capacity, followed by large refrigerators, whose cooling capacity is far greater than that of mini refrigerators.
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