Industry News

New energy vehicle heat exchanger

2024-05-27

1.Structure and flow direction of automobile warm air parallel flow heat exchanger

The parallel flow heat exchanger is a common automotive warm air heat exchanger. Its structure is mainly composed of plates, upper and lower water chambers, and outlet pipes. The lower water cavity collects the heat medium flowing in from the inlet pipe, and flows evenly to each pipe, and then collects through the upper water cavity and flows out from the outlet pipe. When the medium flows through the pipe, it transfers heat energy to the plate. The air discharged by the blower passes through the heat exchanger and exchanges heat with the plate to form heating.

2.Automotive heat exchanger structure and working parameters

Without considering the influence of the thermal parameters of the heat exchange medium, the heat exchange performance and flow characteristics of the heat exchanger have a great relationship with the flow parameters of the medium and the structure of the heat exchanger.


As the core component of the automotive engine cooling system, the automotive heat exchanger's structure and working parameters directly affect the operating efficiency and life of the engine. Generally speaking, the structure and working parameters of automotive heat exchangers include the following:


Structure: Automobile heat exchangers usually consist of water tanks, cores, upper and lower water pipes, air inlets and outlets, etc. The core is the core component of its structure, including capillary tubes, main disks, auxiliary disks, bellows, etc. The capillary tube is the main component in the core that separates water and heat medium. Its main function is to separate the heat and moisture dissipated by the automobile engine.


Size: The size of the automotive heat exchanger is usually determined by parameters such as length, width, height and tube diameter. The size will directly affect the heat dissipation effect and application range of the heat exchanger.


Material: The core of an automotive heat exchanger is usually made of a combination of copper tubes, aluminum fins and copper sheets to ensure its heat dissipation efficiency and durability. The upper and lower water pipes are generally made of stainless steel to prevent rust and corrosion.


Working parameters: The working parameters of automobile heat exchangers include coolant flow, outlet water temperature, pressure loss, allowed pressurization, etc. These parameters are monitored and adjusted through the vehicle engine control system to ensure the efficiency and stability of the heat exchanger.


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