Extrusion Heat Sink 6063 for Thermoelectric Cooler

Car radiator structure
The car radiator is an important component of the cooling system of the car engine, mainly used to dissipate the heat generated by the engine and maintain the normal operating temperature of the engine. The radiator structure is complex and consists of multiple components. The following will provide a detailed introduction to its structure.
1. Radiator chip: The radiator chip is the core part of the automotive radiator and is also the key to achieving heat dissipation effect. Heat sink chips are usually made of aluminum and copper, which have good thermal conductivity. Its structure is composed of multiple parallel arranged heat sinks and heat pipes, and the gaps between the heat sinks form airflow channels. Through these channels, the heat absorbed in the engine coolant is transferred to the external air.
2. Upper and lower water tanks: The upper and lower water tanks of the radiator are respectively connected to the water inlet and outlet of the engine cooling system. The coolant enters the upper water tank of the radiator from the engine, passes through the fins and pipes of the radiator chip, absorbs heat, flows into the lower water tank, and then returns to the engine for circulation. The upper and lower water tanks are generally made of plastic or aluminum, which has good sealing and corrosion resistance.
3. Fan: The fan in the radiator structure is used to enhance the cooling effect of air on the radiator. The engine generates a large amount of heat during operation, and relying solely on natural convection has limited heat dissipation effect. The fan generates airflow, accelerates the flow of air to the radiator, and improves the heat dissipation effect. The fan is usually driven by an electric motor, which senses the engine temperature through sensors and automatically controls the start stop and speed of the fan.
4. Radiator cover plate: The radiator cover plate is located at the top of the radiator upper water tank, used to seal the radiator and connect to the upper water tank. The radiator cover plate has good sealing and high-temperature resistance, which can effectively prevent coolant leakage and external dust from entering.
5. Bracket: The bracket is an important supporting component for installing the radiator in the front end of a car, used to fix the radiator and maintain its stable position. Brackets are usually made of metal materials with sufficient strength and rigidity to withstand vibrations and impacts during vehicle operation.
6. Coolant pipeline: The coolant pipeline is connected to the engine and radiator, responsible for transporting coolant from the engine to the radiator for heat dissipation. The coolant pipeline is generally made of rubber or metal and has certain flexibility and high-temperature resistance.
7. Temperature sensor: The temperature sensor is used to sense the temperature of the engine and transmit the temperature signal to the car computer system. Based on the signal from the temperature sensor, the car computer system can control the start/stop and speed of the fan, as well as adjust the working state of the engine to keep it running within the appropriate temperature range.
In summary, the structure of a car radiator includes multiple components such as a radiator chip, upper and lower water tanks, fan, radiator cover plate, bracket, coolant pipeline, and temperature sensor. These components work together to dissipate the heat generated by the engine through heat conduction, heat transfer, and convection, while maintaining the normal operating temperature of the engine. The rationality of the structural design of a car radiator directly affects the heat dissipation effect of the engine, therefore, the optimization of the radiator structure is very important in car design.

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