V2EX thermal cutout

THERMAL CUTOUT

定义 Definition

thermal cutout热断路器 / 热保护器(TCO)。一种温度安全保护装置,当设备温度超过设定值时会自动切断电路以防止过热、起火或损坏;有些型号在降温后可自动/手动复位,也有一次性不可复位的类型(常与 thermal fuse 区分,但日常也会被混用)。

例句 Examples

The heater has a thermal cutout to prevent overheating.
加热器配有热保护器,以防止过热。

If the ventilation is blocked, the motor may trip the thermal cutout, shutting the appliance down until it cools.
如果通风口被堵塞,电机可能会触发热断路器,使电器停机,直到冷却后才恢复(或需要复位)。

发音 Pronunciation

/θrml ktat/

词源 Etymology

thermal 来自希腊语词根 *therm-*(“热”);cutout 源于 cut out(“切断/切除”)的用法,在电工语境中引申为“用于切断电路的装置”。合起来即“因温度触发、用于切断电路的保护装置”。

相关词 Related Words

文学与典籍出现 Literary Works

该词更常见于工程技术文献、产品安全标准与维修手册中(而非传统文学作品),例如家用电器安全相关标准与技术资料中常会出现:

  • IEC 60730(Automatic electrical controls for household and similar use,家用及类似用途自动电控装置标准)
  • IEC 60335(Household and similar electrical appliancesSafety,家用及类似用途电器安全标准)
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