Principle of air source heat pump heating

The heating principle of air source heat pump is to use the inverse Carnot principle to absorb a large amount of low-temperature heat energy in the air with a small amount of electrical energy, convert it into high-temperature heat energy after compression by the compressor, and transport it to the water tank to heat hot water. Therefore, it has the advantages of low energy consumption, high efficiency, fast speed, good safety and strong environmental protection, and can continuously supply hot water.

The air source heat pump heating unit uses a small amount of electric energy to drive the compressor, inhales low-temperature heat in the air, performs heat exchange through the condenser or evaporator, heats the cold water, and then delivers the hot water to the circulation system through the circulation system. Within the building, the heating needs of users are finally met through heating terminals.

The low-grade heat energy in the air is converted into high-temperature heat energy after being compressed by the compressor, and the water temperature is heated to no higher than 60°C. It is used as a heating medium to circulate and heat the decorative layer of the ground in a special pipeline, so that the ground is heated through the heat transfer of ground radiation and convection.

Notes:

When the air source heat pump is running, the evaporator absorbs heat from the ambient thermal energy in the air to evaporate the heat transfer medium. The working medium vapor is compressed by the compressor Pressure and temperature rise.

When high-temperature steam condenses into liquid through a special annular tube condenser permanently bonded to the outer surface of the water storage tank, the heat released is transferred to the water in the air source heat pump water storage tank. The condensed heat transfer fluid returns to the evaporator through the expansion valve, and then is evaporated again, and the cycle repeats.

The heat transfer medium of the air source heat pump is a special substance. Its boiling point is minus 40°C under normal pressure, and its freezing point is below minus 100°C. This substance is liquid when it is cold, but it is easily evaporated. into a gas and vice versa.