如何解決壓力開關(guān)零位不能恢復(fù)
來源:編輯YY 時(shí)間:2014-09-28 08:19 點(diǎn)擊:次
壓力開關(guān)在長(zhǎng)期使用過程中,如果用戶遇到了壓力開關(guān)零位恢復(fù)不了的情況,可以參照小編接下來介紹的方法進(jìn)行解決。
當(dāng)出現(xiàn)給壓力開關(guān)施加壓力時(shí),輸出無變化,隨后繼續(xù)施加壓力,輸出值突然出現(xiàn)了變化,而且恢復(fù)不了零位的情況時(shí),引起此故障的原因可能是:由壓力傳感器的密封圈規(guī)格不同引起,當(dāng)壓力傳感器被擰緊時(shí),如果密封圈太軟,則可能密封圈被壓縮到壓力傳感器的引壓口里堵塞了壓力傳感器,導(dǎo)致了施加壓力時(shí)壓力進(jìn)不去而無輸出的現(xiàn)象;而繼續(xù)施加壓力就會(huì)導(dǎo)致壓力過大而將密封圈突然沖出,壓力傳感器就又會(huì)感受到壓力,進(jìn)而輸出值又會(huì)有變化,當(dāng)壓力降低時(shí),密封圈又會(huì)堵住引壓口,導(dǎo)致殘留的壓力無法被釋放,最終到了零位無法恢復(fù)。
想要解決上述辦法,可以更換壓力傳感器的密封圈之后再進(jìn)行嘗試,如果使用壓力開關(guān)的過程中,還遇到其他問題,可以閱讀:如何分析壓力開關(guān)故障。
西安仕樂克控制器制造有限公司 (www.a3025.cn)

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