【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。更多还原

【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.更多还原