郑永明1，方方1，徐建一2，郑燕红3 （1.成都理工大学，四川 成都 610059； 2.中国测试技术研究院，四川 成都 610021；3.仙居县安州中学，浙江 仙居 317300）   摘要：作为一种技术先进、可靠性高、又无污染的制冷新器件，半导体致冷可以广泛应用于各种小功率温度控制系统。例如便携式汽车冷暖箱，冷热饮水机、微机芯片的致冷等等。本文详细叙述了拍尔帕效应、半导体致冷片（器件）的工作原理、工作过程、及其特点。并研究开发了一套基于单片机控制为核心，数字式温度传感器，半导体致冷片，以及固态继电器配合使用的微机芯片温度检测致冷控制系统。该系统具有很强的实用性和可移植性。   关键词：半导体致冷；珀尔帖效应；电致冷；数字式温度传感器；固态继电器   中图分类号：TB66 文献标识码：A 文章编号：1672-4984(2006)02-0049-03   Research of the principle of semi-conductor refrigerant and its’application   ZHENG Yong-ming1，FANG Fang1，XU Jian-yi2，ZHENG Yan-hong3 (1.Chengdu University of Technology,Chengdu 610059,China; 2.National Institute of Measurement and Testing Technology,Chengdu 610021,China; 3.Xianju Anzhou Middle School,Xianju 317300,China)   Abstract: As a new technological refrigerant instrument with high functional reliability and pollution-free, semi-conductor refrigerant instrument can be extensively used in small-power temperature-control system, such as automobile cold-hot bin ,cold-hot drinking trough and refrigeration of chips in microcomputer, etc. This text described peltier effect, the principle and work process of the semi-conductor refrigerant instrument and its characteristics in detail. The paper showed a set of temperature detecting and control system based on singlechip digital temperature sensor and solid relay. The system was used in microcomputer chips’refrigeration and proved to be great practicable and migration.   Key words: Semi-conductor refrigeration； Peltier effect；Thermoelectric refrigeration；Digital temperature sensor；Solid relay