V2EX single-pole

Single-pole

定义 Definition

single-pole(形容词):指电气/电子元件或电路中只有一个“极(pole)/断开点”的结构,常见于 single-pole switch(单极开关)single-pole circuit breaker(单极断路器)。常用含义多与“单极、单刀”相关;在不同语境下也可能与“单极天线/单极磁极”等概念相邻,但最常见的是开关与断路器的“单极”。

发音 Pronunciation (IPA)

/sl pol/

例句 Examples

I replaced the broken single-pole switch in the hallway.
我把走廊里坏掉的单极开关换掉了。

For safety, the electrician recommended a single-pole breaker for that 120-volt lighting circuit, while using a double-pole breaker for the 240-volt appliance line.
出于安全考虑,电工建议那条120伏照明回路用单极断路器,而240伏电器线路则使用双极断路器。

词源 Etymology

single- 表示“单一的”,pole 在电工语境中可指“极/触点/断开点”。两者组合成 single-pole,字面意思是“单极的”,在电路中通常指只控制一根带电导线(一个回路通断点)的开关或保护器件。

相关词 elated Words

文学与作品 Literary Works

  • The Art of Electronics(Horowitz & Hill)在开关、继电器与电路控制相关章节中常出现如“single-pole / single-throw”等术语。
  • Practical Electronics for Inventors(Paul Scherz & Simon Monk)介绍基础电气元件与开关类型时会使用“single-pole switch”等表达。
  • Ugly’s Electrical References(技术手册类工具书)在断路器、开关与布线基础条目中常见“single-pole”用法。
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