V2EX thermal switch

Thermal Switch

释义 Definition

热开关 / 温控开关:一种利用温度变化来自动接通或断开电路的器件,用于过热保护、温度控制或安全断电。常见形式包括双金属片温控开关热保护器(thermal protector)等。(在工程语境中也可能泛指由温度触发的开关机制。)

发音 Pronunciation (IPA)

/θml swt/

例句 Examples

The thermal switch cut the power when the motor overheated.
电机过热时,温控开关切断了电源。

After repeated stress tests, the engineers adjusted the thermal switch threshold to prevent nuisance trips while still protecting the circuit.
在反复的应力测试后,工程师调整了热开关的动作温度阈值,以减少误跳闸,同时仍能保护电路。

词源 Etymology

thermal 来自希腊语 thermē(“热”),经拉丁语/法语进入英语,表示“与热有关的”。switch 源自中古英语,最早指“鞭子/细枝”,后引申为“切换装置”。合起来 thermal switch 字面意思就是“由热触发的开关”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Machinery’s Handbook(《机械工程师手册》;工程参考书中常讨论温控/热保护类开关)
  • The Art of Electronics(《电子学的艺术》;涉及温度保护与相关开关/保护电路的术语与应用)
  • IEEE/IEC 相关标准与应用文档(如电机热保护、温控器件规范中常出现 “thermal switch”)
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