Falling off and forgetting to turn off the air conditioner is not as serious as we thought.

Many people always forget to turn off the air conditioner when the engine is turned off. Some car owners worry that the air conditioner compressor will run when the engine is started again, which will increase the burden on the starter and battery.

In fact, you don't have to worry about this problem at all, because even if the air conditioner is not turned off when the engine is turned off, the compressor will not start when the engine is started. Because car air conditioners have special control systems to control, in some cases the compressor will not work even if you turn on the AC switch. For example, when the engine is started, when the throttle is increased, when the engine is overheated, etc., the control system will automatically disconnect the compressor in these cases.

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What are the types of automobile air conditioning compressors?

The displacement of the fixed-displacement compressor increases proportionally with the increase of the engine speed. It cannot automatically change the power output according to the demand for refrigeration, and has a relatively large impact on the fuel consumption of the engine. Most of its adjustment is through collecting the temperature signal of the air outlet of the evaporator. When the temperature reaches the set temperature, the electromagnetic clutch of the compressor is released and the compressor stops working.

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2023/11/14

The function and working principle of automobile air conditioning compressor

The automobile air-conditioning compressor is the "heart" of the automobile air-conditioning refrigeration system. Its function is to maintain the circulation of the refrigerant in the refrigeration system, suck in the low-temperature and low-pressure refrigerant vapor from the evaporator, and compress the refrigerant vapor to increase its pressure and temperature. The refrigerant vapor is delivered to the condenser.

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