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List of the catalog of this article:

• 1,< A href='#Electric vehicle air conditioning working principle' title='Electric vehicle air conditioning working principle'>Electric vehicle air conditioning working principle
• 2、Electric vehicle air conditioner heating
• 3,Hearthstone Wild Decks The reasons and solutions for the non-refrigeration of electric vehicle air conditioner

The working principle of electric vehicle air conditioner

The refrigeration principle of air conditioner is very simple After pressing the ac button on the electric vehicle, the electronic compressor will start working, enabling the compressor to continuously compress the refrigerant and transport the refrigerant to the evaporation box.

The refrigeration principle of the air conditioner is very simple. On electric vehicles, after pressing the ac button, the electronic compressor will start working, so that the compressor can continuously compress the refrigerant and transport the refrigerant into the evaporation box.

Air conditioning principle: It controls the work of radiator fan, condenser fan, compressor clutch, blower motor and its air control motor according to the output control signals such as the temperature in the car, evaporator temperature, engine coolant temperature and other related switch signals detected by each sensor. Status, realize the automatic control of the in-car temperature.

The working principle of the electric air conditioner compressor is to circulate the refrigerant in the refrigeration system to achieve refrigeration, which is the power source of the air conditioning system. The basic structure of the compressor is composed of the fixed vortex and the mobile vortex of the scroll compressor, which megge with each other to form a whole structure.

Electric vehicle air conditioners are heated by heat pumps or electric heaters. Electric vehicle air conditioning and refrigeration are the same as gasoline vehicles, but electric vehicles use electronic compressors. The cooling principle of air conditioner is very simple. On the electric vehicle, after pressing the ac button, the electronic compressor begins to work, so that the compressor continuously compresses the refrigerant and transports it to the evaporation box.

Electric vehicle air conditioning heating

The heating method of pure electric vehicles is as follows: heat pump air conditioning system is adopted, the heat pump air conditioning system is combined with the battery, and the battery begins to supply power. Using ptc resistor heating, the heating function of new energy vehicles is different from that of traditional cars. Turn on the air conditioner in the car directly and adjust the temperature to warm air.

Simply put, the heat of the engine coolantDon't use it for nothing, and the warm air of the car is heated through the heat transfer of the engine coolant, so it will not increase the fuel consumption! How to turn on the warm air if the car does not turn on the air conditioner: Don't turn on the air conditioner in a hurry after the car starts, wait until the engine water temperature meter pointer reaches the middle position, then turn on the warm air.

Electric vehicle air conditioning relies on heat pumps or electric heaters for heating. Electric vehicle air conditioning and refrigeration are the same as gasoline vehicles, but electric vehicles use electronic compressors.

The reasons and solutions for the non-refrigeration of electric vehicle air conditioners

1. The reasons and solutions for the non-refrigeration of electric vehicle air conditioners are as follows: Insufficient refrigerant of automobile air conditioners: car air conditioners are used for too long, and the refrigerant disappears If it is used up, it will lead to insufficient cooling of the air conditioner and affect the cooling effect of the air conditioner.Solution: Add air conditioning refrigerant.

2. The reason why the air conditioner of new energy vehicles does not cool may be due to insufficient or too little refrigerant, or the leakage of refrigerant. The reasons and solutions are: the condenser is too dirty, the air conditioner flap is damaged, the refrigerant is lacking, and the refrigerant is too much. The condenser is too dirty.

3. If the refrigerant is insufficient or too little, the solution is to add refrigerant, but it should be noted that if the refrigerant is added from the low-pressure side, it is forbidden to pour the refrigerant bottle; if it is added from the high-pressure side, it is forbidden to start the engine. Excess refrigerant solution: observe from the liquid reflector above the drying tank.

4. The air conditioner filter element is blocked by dirt. One situation is that the air conditioner filter element is too dirty, resulting in the air intake of the air conditioner being blocked or the air circulation effect is poor. In addition to not being cool, the air volume is not large.You can try to adjust the air conditioning mode to the external circulation mode to see if the air volume will gradually increase with the increase of the adjustment gear.

5. This method can often help to find the cause of the failure accurately and quickly. Sensory inspection method: compressor operating state: 1 Whether the transmission belt is broken or loose. If the transmission belt is too loose, it will slip, accelerating wear and unable to transmit power. 2 Whether there is noise inside the compressor.