May 10, 2009
How does the air source heat pump work?
The air source heat pump follows the reverse Carnot principle, which is the opposite of the principle of air conditioning. It uses refrigerant as a medium and works by absorbing heat from the air. Because the refrigerant can be vaporized at minus 40°, there is always a temperature difference between it and the outside temperature, but the lower the temperature, the lower its operating efficiency.
The refrigerant absorbs the heat in the air and vaporizes. After being compressed by the compressor, it becomes a high-temperature and high-pressure gas. After exchanging heat with water through the heat exchanger, the pressure is released through the expansion valve and returns to the low-temperature and low-pressure liquefied state. Then it absorbs heat again and vaporizes, and works in a cycle.
Does the air source heat pump use electricity?
It must be used. There is no perpetual motion machine in the world, and there must be a driving force. However, the air source heat pump only uses one part of electricity to drive the compressor to work, and then the refrigerant can absorb the heat in the air to work. Because it does not directly use electricity for heating, compared with traditional electric heating methods, the energy consumption has a huge advantage of one to four.
