FESTO電磁閥工作原理

FESTO電磁閥工作原理
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電磁閥從原理上分為三大類（即：直動式、分布直動式、導式）
直動式電磁閥
原理：通電時，電磁線圈產生電磁力把關閉件從閥座上提起，閥門打開；斷電時，電磁力消失，彈簧把關閉件壓在閥座上，閥門關閉。 特點：在真空、負壓、零壓時能正常工作，但通徑般不超過25mm。
分布直(zhi)(zhi)動(dong)(dong)(dong)式(shi)電(dian)磁(ci)(ci)閥(fa)(fa) 原理(li)(li)： 它是(shi)種直(zhi)(zhi)動(dong)(dong)(dong)和(he)導式(shi)相結合的(de)原理(li)(li)，當入(ru)(ru)口(kou)與出(chu)口(kou)沒有壓(ya)(ya)(ya)(ya)差(cha)時，通電(dian)后，電(dian)磁(ci)(ci)力(li)(li)直(zhi)(zhi)接把導小(xiao)閥(fa)(fa)和(he)主(zhu)閥(fa)(fa)關閉(bi)件(jian)依次向上(shang)提起，閥(fa)(fa)門打開(kai)。當入(ru)(ru)口(kou)與出(chu)口(kou)達到啟動(dong)(dong)(dong)壓(ya)(ya)(ya)(ya)差(cha)時，通電(dian)后，電(dian)磁(ci)(ci)力(li)(li)導小(xiao)閥(fa)(fa)，主(zhu)閥(fa)(fa)下(xia)腔(qiang)壓(ya)(ya)(ya)(ya)力(li)(li)上(shang)升，上(shang)腔(qiang)壓(ya)(ya)(ya)(ya)力(li)(li)下(xia)降，從而(er)利(li)用(yong)壓(ya)(ya)(ya)(ya)差(cha)把主(zhu)閥(fa)(fa)向上(shang)推開(kai)；斷電(dian)時，導閥(fa)(fa)利(li)用(yong)彈簧力(li)(li)或(huo)介質壓(ya)(ya)(ya)(ya)力(li)(li)推動(dong)(dong)(dong)關閉(bi)件(jian)，向下(xia)移動(dong)(dong)(dong)，使閥(fa)(fa)門關閉(bi)。 特點： 在零壓(ya)(ya)(ya)(ya)差(cha)或(huo)真空(kong)、高壓(ya)(ya)(ya)(ya)時亦能可靠動(dong)(dong)(dong)作，但功率較大，要(yao)求(qiu)必須水平安裝。

FESTO電磁閥工作原理
導式電磁閥 原理：通電時，電磁力把導孔打開，上腔室壓力迅速下降，在關閉件周圍形成上低下高的壓差，流體壓力推動關閉件向上移動，閥門打開；斷電時，彈簧力把導孔關閉，入口壓力通過旁通孔迅速腔室在關閥件周圍形成下低上高的壓差，流體壓力推動關閉件向下移動，關閉閥門。　 特點： 流體壓力范圍上限較高，可任意安裝（需定制）但必須滿足流體壓差條件
在氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)路(lu)(lu)(lu)（或(huo)液路(lu)(lu)(lu)）上來(lai)說(shuo)，兩(liang)(liang)位(wei)三通(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)具有(you)1個(ge)進氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)孔(kong)(kong)（接(jie)(jie)進氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)源）、1個(ge)出(chu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)孔(kong)(kong)（提(ti)(ti)供給(gei)(gei)(gei)目標設(she)備(bei)(bei)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)源）、1個(ge)排氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)孔(kong)(kong)（般(ban)安裝個(ge)消(xiao)聲器(qi)，如果不(bu)(bu)怕噪(zao)音的(de)話也(ye)可以(yi)不(bu)(bu)裝@_@）。 兩(liang)(liang)位(wei)五通(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)具有(you)1個(ge)進氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)孔(kong)(kong)（接(jie)(jie)進氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)源）、1個(ge)正(zheng)(zheng)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)出(chu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)孔(kong)(kong)和(he)1個(ge)反(fan)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)出(chu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)孔(kong)(kong)（分(fen)別提(ti)(ti)供給(gei)(gei)(gei)目標設(she)備(bei)(bei)的(de)正(zheng)(zheng)反(fan)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)的(de)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)源）、1個(ge)正(zheng)(zheng)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)排氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)孔(kong)(kong)和(he)1個(ge)反(fan)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)排氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)孔(kong)(kong)（安裝消(xiao)聲器(qi)）。 對(dui)于小(xiao)型(xing)自(zi)動(dong)(dong)(dong)(dong)(dong)控(kong)制(zhi)設(she)備(bei)(bei)，氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)管般(ban)選用(yong)8~12mm的(de)工(gong)業膠氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)管。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)般(ban)選用(yong)日本SMC（點(dian)(dian)，不(bu)(bu)過是(shi)(shi)小(xiao)日本的(de)產(chan)品）、中國臺灣亞德客（實惠，也(ye)不(bu)(bu)錯）或(huo)其它國產(chan)品牌等(deng)等(deng)。 在電(dian)(dian)(dian)(dian)(dian)(dian)(dian)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)上來(lai)說(shuo)，兩(liang)(liang)位(wei)三通(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)般(ban)為(wei)(wei)單(dan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)控(kong)（即單(dan)線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)），兩(liang)(liang)位(wei)五通(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)般(ban)為(wei)(wei)雙電(dian)(dian)(dian)(dian)(dian)(dian)(dian)控(kong)（即雙線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)）。線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)等(deng)般(ban)采用(yong)DC24V、AC220V等(deng)。 兩(liang)(liang)位(wei)三通(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)分(fen)為(wei)(wei)常(chang)(chang)閉型(xing)和(he)常(chang)(chang)開型(xing)兩(liang)(liang)種(zhong)，常(chang)(chang)閉型(xing)指線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)沒通(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)時氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)路(lu)(lu)(lu)是(shi)(shi)斷(duan)(duan)的(de)，常(chang)(chang)開型(xing)指線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)沒通(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)時氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)路(lu)(lu)(lu)是(shi)(shi)通(tong)(tong)(tong)的(de)。 常(chang)(chang)閉型(xing)兩(liang)(liang)位(wei)三通(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)原(yuan)理(li)：給(gei)(gei)(gei)線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)通(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)，氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)路(lu)(lu)(lu)接(jie)(jie)通(tong)(tong)(tong)，線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)旦(dan)斷(duan)(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)，氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)路(lu)(lu)(lu)就(jiu)會(hui)斷(duan)(duan)開，這相當于“點(dian)(dian)動(dong)(dong)(dong)(dong)(dong)”。 常(chang)(chang)開型(xing)兩(liang)(liang)位(wei)三通(tong)(tong)(tong)單(dan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)控(kong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)原(yuan)理(li)：給(gei)(gei)(gei)線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)通(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)，氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)路(lu)(lu)(lu)斷(duan)(duan)開，線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)旦(dan)斷(duan)(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)，氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)路(lu)(lu)(lu)就(jiu)會(hui)接(jie)(jie)通(tong)(tong)(tong)，這也(ye)是(shi)(shi)“點(dian)(dian)動(dong)(dong)(dong)(dong)(dong)”。 兩(liang)(liang)位(wei)五通(tong)(tong)(tong)雙電(dian)(dian)(dian)(dian)(dian)(dian)(dian)控(kong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)原(yuan)理(li)：給(gei)(gei)(gei)正(zheng)(zheng)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)通(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)，則(ze)正(zheng)(zheng)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)路(lu)(lu)(lu)接(jie)(jie)通(tong)(tong)(tong)（正(zheng)(zheng)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)出(chu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)孔(kong)(kong)有(you)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)），即使給(gei)(gei)(gei)正(zheng)(zheng)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)斷(duan)(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)后正(zheng)(zheng)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)路(lu)(lu)(lu)仍(reng)然是(shi)(shi)接(jie)(jie)通(tong)(tong)(tong)的(de)，將(jiang)(jiang)會(hui)直維(wei)持到(dao)給(gei)(gei)(gei)反(fan)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)通(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)為(wei)(wei)止(zhi)。 給(gei)(gei)(gei)反(fan)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)通(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)，則(ze)反(fan)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)路(lu)(lu)(lu)接(jie)(jie)通(tong)(tong)(tong)（反(fan)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)出(chu)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)孔(kong)(kong)有(you)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)），即使給(gei)(gei)(gei)反(fan)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)斷(duan)(duan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)后反(fan)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)氣(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)路(lu)(lu)(lu)仍(reng)然是(shi)(shi)接(jie)(jie)通(tong)(tong)(tong)的(de)，將(jiang)(jiang)會(hui)直維(wei)持到(dao)給(gei)(gei)(gei)正(zheng)(zheng)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)通(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)為(wei)(wei)止(zhi)。這相當于“自(zi)鎖(suo)”。 基(ji)于兩(liang)(liang)位(wei)五通(tong)(tong)(tong)雙電(dian)(dian)(dian)(dian)(dian)(dian)(dian)控(kong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)的(de)這種(zhong)特性，在設(she)計機電(dian)(dian)(dian)(dian)(dian)(dian)(dian)控(kong)制(zhi)回路(lu)(lu)(lu)或(huo)編制(zhi)PLC程序的(de)時候，可以(yi)讓電(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)(zuo)1~2秒就(jiu)可以(yi)了，這樣可以(yi)保護電(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)閥(fa)線(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)(quan)(quan)(quan)不(bu)(bu)容易損壞。

FESTO電磁閥工作原理