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What is the working principle of the automobile air conditioner compressor

What is the working principle of the automobile air conditioner compressor

The working principle of the pressure relief valve of the automobile air-conditioning compressor is as follows: When driving a car equipped with a turbocharger device, when the accelerator pedal is stepped on to accelerate, the throttle valve will automatically open, and the engine will be accompanied by the increase in speed. With the sound of "En...", the engine will discharge high-temperature and high-pressure exhaust gas energy to drive the rotation of the exhaust gas turbine. When it reaches the rotational speed of the turbocharger (that is, when the turbine rotates more than 100,000 revolutions per minute) ), the turbocharger will effectively compress the surrounding air, thereby increasing the engine air intake and improving the engine's power.

ZHONGCHENG

The working principle of the pressure relief valve of the automobile air-conditioning compressor is as follows: When driving a car equipped with a turbocharger device, when the accelerator pedal is stepped on to accelerate, the throttle valve will automatically open, and the engine will be accompanied by the increase in speed. With the sound of "En...", the engine will discharge high-temperature and high-pressure exhaust gas energy to drive the rotation of the exhaust gas turbine. When it reaches the rotational speed of the turbocharger (that is, when the turbine rotates more than 100,000 revolutions per minute), the turbocharger will effectively compress the surrounding air, thereby increasing the engine air intake and improving the engine's power.

When we are collecting fuel, the throttle opening will be rapidly reduced until it is in a closed idle state, which means that the engine does not need air intake at this time, or the airflow in the intake pipe will be affected by the throttle valve. Certain obstacles. But at this moment, the turbocharger does not stop working. Due to inertia, the turbocharger will still maintain a speed of more than 100,000 revolutions per minute and continue to rotate for a certain amount.

 

Now we can imagine that the air at this time is still continuously compressed into the intake pipe. If this part of the high-pressure air in the intake pipe cannot be discharged in time, the pressure in the intake pipe will rise rapidly. At the slightest, there may be acceleration drag and poor acceleration, and at worst, it may cause damage to the throttle valve or burst of the intake pipe.

 

Because this situation is very dangerous, it is necessary to install a pressure relief device in the intake pipe to effectively remove the excess high-pressure air from the intake turbine compressed in the pipe.

 

In fact, the pressure relief valve is a valve installed on the intake pipe to control the boost pressure. The opening and closing of the pressure relief valve is effectively controlled by a solenoid operated by EUC. The ECU will make an effective judgment based on the pressure of the turbo outlet boost. Once the pressure exceeds the critical value, it will energize or de-energize the solenoid coil to open or close the pressure relief valve.

 

After reading this introduction, do you have a certain understanding of the problem of the pressure relief valve of the automobile air-conditioning compressor? If you want to know more about automotive air-conditioning compressors, please contact us. We Suzhou ZONCEN New Energy Technology Co. Ltd can confirm the product for you and provide you with exclusive professional services.

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