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[Do you understand the refrigeration principle of air conditioning?]
Release date:[2024/1/27] Is reading[53]次

The refrigeration principle of air conditioning


Air conditioning actually plays a role of forced heat transfer, it is driven by electricity, using phase changes to transfer heat from one place to another. The closed room acts as an insulation, separating the high temperature outside from the low temperature inside.


Because electrical appliances such as air conditioners also heat up when they use electricity to do work, the overall heat in the environment is actually rising. The outdoor temperature in the city is getting higher and higher, and more people are using air conditioning.


The refrigeration method used by household air conditioners is usually compression refrigeration, and the main structure of the air conditioner is the compressor, evaporator and condenser, the compressor and condenser are located in the outdoor unit, the evaporator is located in the indoor unit. The evaporator is used to absorb heat, the condenser is used to dissipate heat, and the compressor is used to transfer heat.


Air conditioners use refrigerants (vaporized or liquefied at a very low temperature) to absorb indoor heat, and these liquid refrigerants stored in the evaporator will quickly vaporize into gas after absorbing heat. The compressor pressurizes these gases adiabatically to increase the temperature difference between these gases and the outdoor environment, and then liquefies them into liquid after heat dissipation by the outdoor condenser. By using the phase change cycle of the refrigerant, the compressor can continuously transfer the indoor heat to the outside, so the indoor will feel cooler.


When the air conditioner is in the state of refrigeration or dehumidification, the drain pipe in the air conditioner will continuously drip water, which can be seen that the water in the air conditioner drain pipe is generated from the air conditioner. The air conditioner only uses electricity when working, and there is no water input from the outside world, and the only contact is only air, so it can be concluded that these waters come from the air.


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