常用的温度检测元件主要有热电偶、热电阻、热敏电阻等。热电偶主要是利用两种不同金属的热电效应，产生接触电势随温度变化而变化，从而达到测温的目的。-Temperature detection devices commonly used in the main thermocouple, thermal resistance, thermal resistance and so on. Thermocouple is the use of two different metal thermoelect