What is the reason for low low pressure and low high pressure in car air conditioning?
1 Answers
The reason for low low pressure and low high pressure in car air conditioning is due to the failure or damage of the air conditioning compressor. The following is relevant information about car air conditioning compressors: 1. Introduction: The car air conditioning compressor is the heart of the car air conditioning refrigeration system, responsible for compressing and transporting refrigerant vapor. Common reciprocating compressors include crankshaft connecting rod type and axial piston type, while common rotary compressors include rotary vane type and scroll type; 2. Classification: According to different working principles, air conditioning compressors can be divided into fixed displacement compressors and variable displacement compressors. The displacement of a fixed displacement compressor increases proportionally with the increase of engine speed. It cannot automatically change power output according to refrigeration needs and has a relatively large impact on engine fuel consumption. Variable displacement compressors can automatically adjust power output based on the set temperature. The air conditioning control system does not collect the temperature signal from the evaporator outlet but controls the compression ratio of the compressor based on the pressure change signal in the air conditioning pipeline to automatically adjust the outlet temperature.
