Condenser is a part of refrigeration system, which belongs to a heat exchanger. It can convert gas or vapor into liquid and transfer heat in the pipe to the air near the pipe in a very fast way.

The function of the condenser is to heat and cool the high temperature and high pressure refrigerant vapor discharged from the compressor, and make it condense into liquid high pressure refrigerant. It can be sent out from the compressor of high pressure, high temperature refrigerant (gaseous refrigerant) cooling and liquefaction it.

The working principle of condenser: the refrigerant enters the evaporator, the pressure is reduced, and the high pressure gas becomes the low pressure gas. This process needs to absorb heat, so the surface temperature of the evaporator is very low, and then the fan can blow the cold air out. Cold L condenser is from the compressor out of the high pressure, high temperature refrigerant, cooling into high pressure, low temperature. It then goes through capillary vaporization to evaporate in the evaporator.

The condenser and evaporator in automobile air conditioning are collectively called heat exchangers. The performance of heat exchanger directly affects the refrigeration performance of automobile air conditioning. The metal material consumption is large, the volume is large, and the mass accounts for 50% ~ 70% of the total mass of the whole automobile air conditioning device. The space it occupies directly affects the effective volume of the automobile, and it is very difficult to arrange it, so the use of efficient heat exchanger is extremely important. The condenser and evaporator in the automobile air conditioning device should be matched with the compressor, and should also be adapted to the throttle expansion mechanism. The working state of condenser and evaporator directly affects the capacity (cooling capacity) of the refrigeration system, the power consumption of the compressor and the economy of the whole air conditioning device.

The condenser is generally located near the front of the engine, which makes it easy to adhere to all kinds of dust and debris leaking into the gap of the engine cover. For example, the catkins in spring will lead to bad heat dissipation when attached to the condenser, which directly leads to the cold of the air conditioner, so it is necessary to clean it regularly.

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