How Does a Car Refrigerator Cool?

1 Answers
Robles
07/29/25 4:20pm
Car refrigerators cool through semiconductor refrigeration. Here is extended knowledge about car refrigerators: 1. Function introduction: Car mini refrigerators cool through semiconductor refrigeration. They are small in size, lightweight, noiseless, easy to carry, can lower the temperature to about -4 degrees Celsius, and are generally only suitable for refrigeration. If the power supply is reversed, they can heat. The cooling effect of car refrigerators is usually not obvious, and the cooling speed is slow. They are typically used to store items that have been refrigerated or frozen in household refrigerators. 2. Types: (1) Insulated box: Made with an insulated material shell, it uses an energy storage box for cooling and heating to maintain the temperature of items. (2) Semiconductor car refrigerator: Cools through electronic chips. It uses special semiconductor materials to form a P-N junction, creating a thermocouple pair and generating the Peltier effect. This is a new refrigeration method that cools through direct current. The cooling temperature range is -5 to 65 degrees. (3) Compressor car refrigerator: The compressor is the traditional technology of conventional refrigerators, with a low cooling temperature of -18 to 10 degrees. It has high cooling efficiency and a large size, making it the mainstream direction for the future development of car refrigerators. (4) Electronic ice-making refrigerator: Based on dual electronic synchronous refrigeration and a special internal body structure, it achieves electronic ice-making. It can reach -3 degrees for cooling and 65 degrees for heating, with adjustable cooling temperatures.
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