Auto Air-condition Compressor Solution

About the Auto Air-condition Compressor

The automobile air-conditioning compressor is the heart of the automobile air-conditioning refrigeration system. It compresses and transports refrigerant vapor playing a very vital role in the process of vehicle temperature regulation. It is responsible for sucking in the low-pressure gaseous refrigerant, pressurizing it to discharge high-pressure gaseous refrigerant, and providing power for the circulation of the refrigerant.

Because of the process of refrigerant circulation, in the engine compartment, the refrigerant changes from a gas to liquid. In this process, the refrigerant releases heat; while in the car, the refrigerant changes from liquid to gas, which cools down. The agent absorbs heat, thereby reducing the temperature in the automotive.

 

auto air-condition compressor

According to different working principles, air-conditioning compressors can be divided into fixed displacement compressors and variable displacement compressors. According to the working methods, compressors can generally be divided into reciprocating and rotary types. The regular reciprocating compressors include crankshaft connecting rod type and axial piston type, and the rotary compressors contain rotary vane type and scroll type.

 

The Structural Principle of Auto Air-condition Compressor

Driven by the engine, the compressor continuously sucks the low-temperature and low-pressure refrigerant vapor generated by the heat absorption and vaporization in the evaporator, forming high-temperature and high-pressure refrigerant vapor after compression, and discharges it to the condenser, creating high-pressure conditions for continuous condensation and heat release in the refrigerant. At the same time, it overcomes the circulation flow resistance of the refrigerant in the refrigeration circuit.

The condenser releases the heat contained in the high-temperature and high-pressure refrigerant vapor discharged from the compressor to the outside air flowing through the condenser and condenses the refrigerant vapor into a refrigerant liquid with a certain degree of supercooling. Most refrigerant devices are arRanged in front of the front radiator water tank to be cooled by the cooling fan and the upwind airflow generated by the driving of the car.

 

auto air-condition compressor motor

The motor part of the compressor includes a stator and a rotor. The compressor coil is embedded in the stator slot. The outer ring is the running winding, and the inner circle is the starting winding. A 2-pole motor is used. The rotor and the compression part are inStalled together at a Speed of about 2900r/min.

The rotor is located above and corresponds to the motor stator when inStalled. When the stator coil passes through without electricity, the pulley is idling. When the stator coil has electricity, the pressure plate is sucked to the right so that the pressure plate and the pulley are firmly fixed together. The pressure plate rotates with the pulley, and the power is transmitted to the compressor through the input shaft connected to the pressure plate to make it work.

 

auto air-condition compressor

How does Kinmore Provide a Suitable DC Motor Solution for Auto Air-condition Compressor?

The core component of the automobile air conditioner is the compressor, and the motor is the core power source of the automobile air conditioner compressor. To minimize the impact on users, the noise of automobile air-conditioning compressor products generally has corresponding requirements. As one of the core components of the product, the noise of the DC motor (RS-775SHC2J2-5930) is particularly concerned.

The solutions for this motor product line have been specially designed for noise reduction, which can achieve low noise during operation. Kinmore Motor provides durable and long-lasting motors for this automotive air conditioning compressor application. By adjusting the input Voltage through the electronic system, the strength of the motor can be changed to make the product work in different strength modes.

 

auto air-condition compressor motor

Motor Technical Parameters:

ModelRS-775SHC2J2-5930
Rated Voltage13.5V DC
No Load Speed7400±10% rpm
No Load Current0.75A
Load Speed5500rpm
Load Current9.06A
Load Torque148.15mNm
Stall Current33.8±25% A
Stall Torque575.3±25% mNm
Direction of rotationCW
 

Features of Auto Air-condition Compressor DC Motor :

  1. Low noise. 
  2. Long service life. 
  3. Stable performance during operation. 
  4. The motor has a small size and high Operating efficiency.
  5. Customized electrical properties, such as Voltage and Speed after evaluation.

With over 20-year experience in motor drive solutions, we can quickly customize motor programs to meet customer requirements and provide customized services such as drawings, material selection, and proofing according to customer needs.  For more information on the auto air-condition compressor motor solution, please contact our sales engineer.

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