電磁脈沖閥
膜(mo)(mo)片(pian)把電(dian)磁(ci)(ci)脈(mo)沖(chong)(chong)閥(fa)分為前后(hou)二個氣(qi)(qi)(qi)室(shi)，接通清潔壓(ya)(ya)(ya)縮空(kong)氣(qi)(qi)(qi)時，壓(ya)(ya)(ya)縮空(kong)氣(qi)(qi)(qi)通過節流孔，進(jin)入后(hou)氣(qi)(qi)(qi)室(shi)，此時后(hou)氣(qi)(qi)(qi)室(shi)的壓(ya)(ya)(ya)力(li)將膜(mo)(mo)片(pian)緊(jin)貼(tie)閥(fa)的出氣(qi)(qi)(qi)口，電(dian)磁(ci)(ci)閥(fa)處(chu)(chu)于(yu)關閉(bi)狀態，脈(mo)沖(chong)(chong)控(kong)(kong)制(zhi)儀(yi)(yi)輸出信號，使電(dian)磁(ci)(ci)脈(mo)沖(chong)(chong)閥(fa)銜鐵(tie)移動，閥(fa)后(hou)氣(qi)(qi)(qi)室(shi)放氣(qi)(qi)(qi)孔打開，后(hou)氣(qi)(qi)(qi)室(shi)迅速失(shi)(shi)壓(ya)(ya)(ya)，使膜(mo)(mo)片(pian)后(hou)移，壓(ya)(ya)(ya)縮空(kong)氣(qi)(qi)(qi)通過閥(fa)的出氣(qi)(qi)(qi)口噴吹(chui)，電(dian)磁(ci)(ci)閥(fa)處(chu)(chu)于(yu)開啟狀態噴吹(chui)開始，脈(mo)沖(chong)(chong)控(kong)(kong)制(zhi)儀(yi)(yi)輸出信號消失(shi)(shi)，電(dian)磁(ci)(ci)脈(mo)沖(chong)(chong)閥(fa)銜鐵(tie)復位，后(hou)氣(qi)(qi)(qi)室(shi)放氣(qi)(qi)(qi)孔關閉(bi)，后(hou)氣(qi)(qi)(qi)室(shi)壓(ya)(ya)(ya)力(li)升(sheng)高(gao)使膜(mo)(mo)片(pian)緊(jin)貼(tie)閥(fa)的出氣(qi)(qi)(qi)口電(dian)磁(ci)(ci)脈(mo)沖(chong)(chong)閥(fa)處(chu)(chu)于(yu)關閉(bi)狀態，噴吹(chui)停止，噴吹(chui)時間的長短氣(qi)(qi)(qi)量大小被控(kong)(kong)制(zhi)儀(yi)(yi)所控(kong)(kong)制(zhi)。
環(huan)境條(tiao)件:1、根據供(gong)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)源種類,分別選(xuan)(xuan)用(yong)交(jiao)流(liu)(liu)(liu)和直流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)磁(ci)閥(fa).一般(ban)來說交(jiao)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)源取(qu)(qu)用(yong)方便(bian).2、環(huan)境中(zhong)相對(dui)濕度(du)高及(ji)有(you)(you)水滴雨(yu)淋(lin)等場合,應(ying)選(xuan)(xuan)防水電(dian)(dian)(dian)(dian)(dian)磁(ci)閥(fa).3、在(zai)(zai)有(you)(you)腐蝕性或(huo)爆(bao)炸性環(huan)境中(zhong)的使用(yong)應(ying)優先根據安全性要求(qiu)選(xuan)(xuan)用(yong)耐(nai)腐蝕電(dian)(dian)(dian)(dian)(dian)磁(ci)閥(fa).4、電(dian)(dian)(dian)(dian)(dian)磁(ci)脈沖閥(fa)的電(dian)(dian)(dian)(dian)(dian)源條(tiao)件.5、電(dian)(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)(dian)壓波動(dong)(dong)通常交(jiao)流(liu)(liu)(liu)選(xuan)(xuan)用(yong)+%10%.-15%,直流(liu)(liu)(liu)允許±%10左(zuo)右,如(ru)(ru)若(ruo)超(chao)(chao)差(cha),須采取(qu)(qu)穩壓措施或(huo)提(ti)出(chu)特(te)殊(shu)(shu)訂(ding)貨(huo)要求(qiu).6、環(huan)境中(zhong)經常有(you)(you)振(zhen)動(dong)(dong),顛簸和沖擊等場合應(ying)選(xuan)(xuan)特(te)殊(shu)(shu)品種,例如(ru)(ru)船(chuan)用(yong)電(dian)(dian)(dian)(dian)(dian)磁(ci)閥(fa).7、環(huan)境的最高和最低溫(wen)度(du)應(ying)選(xuan)(xuan)在(zai)(zai)允許范圍(wei)之(zhi)內(nei),如(ru)(ru)有(you)(you)超(chao)(chao)差(cha)需(xu)作特(te)殊(shu)(shu)訂(ding)貨(huo)提(ti)出(chu).8、應(ying)根據電(dian)(dian)(dian)(dian)(dian)源容量選(xuan)(xuan)擇額定(ding)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)和消耗功(gong)(gong)率.須注意交(jiao)流(liu)(liu)(liu)起動(dong)(dong)時(shi)VA值較高,在(zai)(zai)容量不(bu)足時(shi)應(ying)優先選(xuan)(xuan)用(yong)間接導式電(dian)(dian)(dian)(dian)(dian)磁(ci)脈沖閥(fa).9、環(huan)境空間若(ruo)受限制,請選(xuan)(xuan)用(yong)多功(gong)(gong)能電(dian)(dian)(dian)(dian)(dian)磁(ci)閥(fa),因(yin)其省去了旁路及(ji)三只手動(dong)(dong)閥(fa)且便(bian)于在(zai)(zai)線維修,10、電(dian)(dian)(dian)(dian)(dian)壓規格用(yong)盡量優先選(xuan)(xuan)用(yong)AC220V,DC24V.
