V2EX self-holding

Self-holding

释义 Definition

self-holding(多用于工程/技术语境):指自保持的、可在外部触发后自行维持状态的(如继电器“自保持回路/自锁回路”);也可指自支撑的/无需外部夹持即可固定的结构或装置。(在不同领域含义会略有侧重。)

发音 Pronunciation (IPA)

/selfhold/

例句 Examples

The button starts a self-holding circuit.
这个按钮会启动一个自保持回路。

After the safety relay is energized, the self-holding contact keeps the machine running until the stop signal breaks the loop.
安全继电器吸合后,自保持触点会让机器持续运行,直到停止信号切断回路。

词源 Etymology

self-(“自我、自己”)+ holding(“保持、固定”)构成,字面义为“自己保持的”。在电气控制中常用于表示通过辅助触点形成回路,使线圈在松开启动按钮后仍保持吸合的“自保持/自锁”概念;在机械与结构语境中也可引申为“自固定、自支撑”。

相关词 Related Words

文学与著名作品 Notable Works

  • IEC 60204-1(《机械安全机械电气设备》相关内容中常见“自保持/保持回路”类表述)
  • Ugly’s Electrical References(工程电气速查书中常涉及继电器控制与保持/锁存概念)
  • The Art of Electronics(《电子学的艺术》在讨论触发、锁存/保持类电路时与该概念相关)
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