Air heat pump working principle diagram

The refrigerant (R22, R417A, etc.) in the air heat pump water heater (air source heat pump water heater) absorbs the low-temperature thermal energy in the air, and after being compressed by the compressor, it is transformed into high-temperature heat energy to heat the water temperature. This water heater (air source heat pump water heaters) with energy efficient features, the energy saving effect is 4 times the electric water heater, gas water heater 3 times, about 2 times the solar water heater. Working principle of air heat pump Working principle: The internal structure is mainly composed of four core components: compressor, condenser, expansion valve, evaporator. The working flow is as follows: the compressor will return the low pressure refrigerant compressed into high temperature and pressure of the gas discharge, high temperature and high pressure refrigerant gas flows through the copper tube wrapped around the outside of the tank, the heat conduction through the copper tube to the tank, cooling Down the refrigerant under pressure continued to become liquid under the expansion valve into the evaporator, due to the pressure of the evaporator suddenly decreased, so the liquid refrigerant rapidly evaporated into a gaseous and absorb a lot of heat. At the same time, under the action of the fan, a large amount of air flows through the outer surface of the evaporator, and the energy in the air is absorbed by the evaporator, and the temperature of the air is rapidly reduced to become an air-conditioned release. Then absorbed a certain amount of energy refrigerant back to the compressor, into the next cycle. By the above working principle can be seen that the working principle of air-source heat pump water heater and air-conditioning principle has a certain similarity, the application of the inverse Karnaugh principle, by absorbing a large number of low-temperature heat in the air, compressor compression into high-temperature heat transfer In the water tank, heat the water. The whole process is a process of energy transfer (from air to water), not a process of energy conversion, heating of hot water by electric heating elements, or burning of combustible gas to heat hot water.

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