壓力開關的初步了解
西安仕樂克“shelok”牌壓力開關，精度高，性能優，質量穩定，品種規格齊全，廣泛適用于石油、化工、化纖、冶金、電廠、醫藥、輕工通訊等領域和制冷設備中心的自動檢測與控制，及其過程中的自動報警、保護等。
壓力開關是一種簡單的壓力控制裝置，當被測壓力達到額定值時，電子壓力開關可發出警報或控制信號。智能壓力開關內部采用的彈性元件有單圈彈簧管、膜片、膜盒及波紋管等。這些元素是怎么推動壓力開關工作的呢，接下來就是分析壓力開關的工作原理了。
壓力開關是當系統內壓力高于或低于額定的安全壓力時，感應器內碟片瞬時發生移動，通過連接導桿推動開關接頭接通或斷開，當壓力降至或升額定的 恢復值時，碟片瞬復位，開關自動復位，或者簡單的說是當被測壓力超過額定值時，彈性元件的自由端產生位移，直接或經過比較后推動開關元件，改變開關元件的 通斷狀態，達到控制被測壓力的目的。
西安仕樂克控制器制造有限公司 (www.shelok.net)
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“shelok”牌西安仕樂克專業生產 壓力開關，智能壓力開關，差壓壓力開關，防爆壓力開關精度高，性能優，質量穩定，品種齊全，廣泛適用于石油、化工、冶金、電廠、醫藥等行業。
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