9-11 July 2025
Hall N5, Shanghai New International Expo Center

Analysis of the High Efficiency Heat Conduction of Copper in Automotive Air Conditioning System

Among the many systems of modern automobiles, air conditioning system is a key link to ensure the comfortable experience of drivers and passengers.With the continuous development of automotive technology, people's requirements for the performance of automotive air conditioning system are also increasing.It is not only expected that it can quickly adjust the temperature in the car, but also that it has the characteristics of high efficiency and energy saving.In this context, copper plays an important role in automotive air conditioning system because of its excellent thermal conductivity.

Heat transfer advantage of copper in evaporator

Evaporator is one of the core components to realize refrigeration in automotive air conditioning system.As the low temperature and pressure refrigerant passes through the evaporator, it absorbs heat from the surrounding air, thus lowering the air temperature.Achieve the purpose of refrigeration. Copper plays an extremely important role in this process.Copper has an extremely high thermal conductivity, which means it can quickly transfer heat from the evaporator surface to the refrigerant.

Taking the common tube-fin evaporator as an example, the heat exchange tubes inside it are usually copper tubes.The outer wall of the copper pipe is fully contacted with the passing air, and due to the good heat conduction performance of copper,The heat in the air can quickly pass through the outer wall of the copper tube and be transferred to the refrigerant in the tube.This efficient heat transfer process greatly improves the heat exchange efficiency of the evaporator.Compared with heat exchange tubes made of other materials, copper tubes can absorb more heat in a shorter time.Nable that evaporator to operate more efficiently.

In the hot summer, the temperature in the car may be as high as 40 degrees Celsius or even higher.At this time, the efficient evaporator can quickly reduce the air temperature in the car and create a cool and comfortable environment for drivers and passengers.The efficient heat conduction of copper is one of the key factors to achieve this rapid cooling.It enables the evaporator to handle more heat per unit time, speed up the cooling speed and improve the comfort of the car.

Heat conduction contribution of copper in condenser

Condenser and evaporator complement each other, which is an important component to achieve heat emission in automotive air conditioning system.In the refrigeration cycle, the high temperature and high pressure refrigerant gas from the evaporator needs to release heat in the condenser.Cooling and condensing into liquid. Copper also plays a vital heat transfer role in the condenser.

Condensers usually consist of a series of fins and copper tubes.High-temperature refrigerant gas flows in the copper tube, while the outside air exchanges heat with the copper tube through the heat sink.Because of the high thermal conductivity of copper, the heat of the refrigerant can be quickly transferred from the inner wall of the copper tube to the outer wall,And then is emit into that surrounding air through the radiator.

In the process of driving, the condenser will face different working conditions.Such as strong wind heat dissipation at high speed and slow heat dissipation in congested sections.In any case, the copper condenser can ensure the timely heat dissipation of the refrigerant by virtue of its efficient heat conduction performance.In the hot summer, after a long time of driving, the temperature in the engine compartment rises sharply.At this time, the ambient temperature around the condenser also rises.But the good heat conduction performance of the copper enables the condenser to effectively transfer the heat of the refrigerant,Ensure the normal operation of the air conditioning system and prevent the cooling effect from decreasing due to the high temperature environment.

Significance of Heat Conduction of Copper in Connecting Pipes

The connecting pipeline in the automobile air conditioning system is responsible for connecting the evaporator, condenser, compressor and other components.A complete refrigeration circulation loop is formed. The efficiency of heat transfer in the connecting piping also affects the overall performance of the air conditioning system,Copper also plays an important role in this respect.

Copper connections ensure minimal heat loss as the refrigerant flows through the system.Ince copper is excellent in heat conduction, when the refrigerant flows in the pipe,The heat carried by it can be evenly distributed in the pipeline, which reduces the local overheating or overcooling.This not only helps to maintain a stable state of the refrigerant, but also improves the heat transfer efficiency of the entire system.

For example, in the connecting line from the compressor to the condenser, high temperature and high pressure refrigerant gas flows inside a copper tube.Copper piping can quickly transfer the heat of the refrigerant to the surrounding environment, helping the refrigerant to cool more quickly.In the connecting pipeline from the condenser to the evaporator, the copper pipeline can maintain the low temperature state of the refrigerant,Reduces heat absorption during transfer, ensures that the refrigerant enters the evaporator at the proper temperature,O as to ensure the stable refrigeration effect of the air conditioning system.

Comprehensive Improvement of the Performance of Automobile Air Conditioning System by Copper

To sum up, the efficient heat conduction of copper in the evaporator, condenser and connecting pipeline of the automobile air conditioning system,The performance of the whole air conditioning system has been significantly improved.

First of all, the efficient heat conduction of copper makes the refrigeration efficiency of air conditioning system greatly improved.Faster heat transfer means that the evaporator can absorb heat more quickly and the condenser can release heat more efficiently.Thereby realizing the adjustment of the temperature in the vehicle in a shorter time and improving the comfort of drivers and passengers.

Secondly, efficient heat conduction helps to improve the energy efficiency of air conditioning systems.Because the heat can be transferred more smoothly, the system does not need to consume too much energy to realize heat exchange in the refrigeration process.The load of the compressor and other parts is reduced, the energy consumption is reduced,Thereby improving the fuel economy of the automobile or the endurance mileage of the electric vehicle.

In addition, the good thermal conductivity of copper also enhances the stability and reliability of the air conditioning system.Under various complex working conditions, such as high temperature, high humidity environment or frequent start and stop of vehicles.Copper components can always maintain efficient heat conduction to ensure the normal operation of the air conditioning system and reduce the probability of failure.

With the continuous improvement of energy saving, environmental protection and comfort requirements in the automotive industry,The application of copper in automotive air conditioning system will be more extensive and in-depth.Its efficient heat conduction performance will continue to provide strong support for the optimization and upgrading of automotive air conditioning system.It will make an important contribution to creating a more comfortable and energy-saving automobile driving environment.