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１简介电子制冷器是整个电子制冷的核心，温差电制冷是利用铋锑材料制成的电偶在电流流动时形成制冷的一项新技术。与传统的压缩式制冷不同，它是一种固体冷源，接入直流电源即可工作。因此，制冷时无须转动件和制冷剂，且体积小，重量轻，工作时无噪声，无震动，无污染，可靠
1 Introduction Electronic refrigerator is the core of the entire electronic refrigeration, thermoelectric cooling is the use of bismuth antimony material made of galvanic couple when the current flow to form a new technology refrigeration. Different from the traditional compression refrigeration, it is a solid cold source that can be connected to the DC power supply. Therefore, refrigeration without rotating parts and refrigerants, and small size, light weight, noise-free operation, no vibration, pollution-free, reliable