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氣動閥與電動閥門動作力距比較

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  • 2017-03-07
    氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)閥(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)力(li)距比(bi)(bi)電(dian)(dian)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)閥(fa)(fa)(fa)門(men)(men)大，氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)閥(fa)(fa)(fa)門(men)(men)開關動(dong)(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)速度可(ke)以(yi)調(diao)(diao)整，結構(gou)(gou)簡單，易維(wei)護，動(dong)(dong)(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)過程(cheng)中因(yin)氣(qi)(qi)(qi)(qi)體本(ben)身的(de)緩沖特性(xing)(xing)，不易因(yin)卡住而損壞，但必須(xu)有氣(qi)(qi)(qi)(qi)源，且其控(kong)(kong)制(zhi)系統也(ye)比(bi)(bi)電(dian)(dian)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)閥(fa)(fa)(fa)門(men)(men)復雜。氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)閥(fa)(fa)(fa)門(men)(men)響應(ying)(ying)靈(ling)敏，安(an)全(quan)可(ke)靠，很(hen)多對控(kong)(kong)制(zhi)要(yao)(yao)求高(gao)的(de)廠專為氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)儀表(biao)控(kong)(kong)制(zhi)元件(jian)設置壓縮空氣(qi)(qi)(qi)(qi)站。電(dian)(dian)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)的(de)就(jiu)是(shi)要(yao)(yao)電(dian)(dian)。電(dian)(dian)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)閥(fa)(fa)(fa)門(men)(men)和氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)閥(fa)(fa)(fa)門(men)(men)的(de)本(ben)質區(qu)別在于(yu)使用不同的(de)驅(qu)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)裝置，也(ye)就(jiu)是(shi)執(zhi)行(xing)(xing)機(ji)(ji)(ji)構(gou)(gou)，而調(diao)(diao)節(jie)(jie)(jie)(jie)閥(fa)(fa)(fa)本(ben)身沒有什么區(qu)別。配(pei)合(he)不同的(de)執(zhi)行(xing)(xing)機(ji)(ji)(ji)構(gou)(gou)主要(yao)(yao)是(shi)工況要(yao)(yao)求，如(ru)化工等要(yao)(yao)求防爆的(de)場(chang)合(he)，使用較(jiao)多的(de)是(shi)氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)閥(fa)(fa)(fa)門(men)(men)，因(yin)為安(an)全(quan)性(xing)(xing)要(yao)(yao)求高(gao)，而且價格便宜，配(pei)合(he)智能定位(wei)(wei)器可(ke)以(yi)上總線，控(kong)(kong)制(zhi)方式(shi)也(ye)簡單。電(dian)(dian)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)閥(fa)(fa)(fa)門(men)(men)執(zhi)行(xing)(xing)機(ji)(ji)(ji)構(gou)(gou)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)力(li)源為電(dian)(dian)源，如(ru)果線路板或電(dian)(dian)機(ji)(ji)(ji)出現(xian)故障容易出現(xian)火花，所(suo)以(yi)一般應(ying)(ying)用在環境要(yao)(yao)求不高(gao)和沒有危險的(de)場(chang)合(he)。氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)閥(fa)(fa)(fa)門(men)(men)執(zhi)行(xing)(xing)機(ji)(ji)(ji)構(gou)(gou)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)力(li)源為氣(qi)(qi)(qi)(qi)源，氣(qi)(qi)(qi)(qi)源來(lai)源于(yu)空壓機(ji)(ji)(ji)，采用定位(wei)(wei)器將(jiang)電(dian)(dian)控(kong)(kong)信(xin)號轉換成氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)控(kong)(kong)制(zhi)信(xin)號，驅(qu)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)執(zhi)行(xing)(xing)機(ji)(ji)(ji)構(gou)(gou)進行(xing)(xing)閥(fa)(fa)(fa)位(wei)(wei)調(diao)(diao)節(jie)(jie)(jie)(jie)。就(jiu)氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)執(zhi)行(xing)(xing)機(ji)(ji)(ji)構(gou)(gou)和電(dian)(dian)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)執(zhi)行(xing)(xing)機(ji)(ji)(ji)構(gou)(gou)調(diao)(diao)節(jie)(jie)(jie)(jie)性(xing)(xing)能比(bi)(bi)較(jiao)，氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)執(zhi)行(xing)(xing)機(ji)(ji)(ji)構(gou)(gou)響應(ying)(ying)速度更(geng)快(kuai)，能更(geng)適(shi)合(he)應(ying)(ying)用在調(diao)(diao)節(jie)(jie)(jie)(jie)工況，所(suo)以(yi)生產(chan)調(diao)(diao)節(jie)(jie)(jie)(jie)閥(fa)(fa)(fa)的(de)廠家(jia)都同時生產(chan)氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)(dong)(dong)執(zhi)行(xing)(xing)機(ji)(ji)(ji)構(gou)(gou)與之配(pei)套。