CKD電磁閥原理講解,CKD電磁閥參數

CKD電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)原理(li)：它是一種(zhong)直(zhi)(zhi)(zhi)動(dong)(dong)(dong)和(he)先導(dao)(dao)(dao)式(shi)(shi)相結(jie)合(he)的(de)原理(li)，當入(ru)口(kou)(kou)(kou)(kou)與(yu)出(chu)口(kou)(kou)(kou)(kou)沒(mei)有(you)壓(ya)(ya)(ya)(ya)(ya)(ya)差(cha)時(shi)(shi)，通(tong)(tong)電(dian)(dian)(dian)(dian)(dian)后，電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)力(li)(li)直(zhi)(zhi)(zhi)接(jie)(jie)把(ba)先導(dao)(dao)(dao)小(xiao)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)和(he)主(zhu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)關(guan)(guan)(guan)閉(bi)件依次向(xiang)(xiang)上(shang)(shang)提(ti)起，閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)打(da)開(kai)。當入(ru)口(kou)(kou)(kou)(kou)與(yu)出(chu)口(kou)(kou)(kou)(kou)達到(dao)啟動(dong)(dong)(dong)壓(ya)(ya)(ya)(ya)(ya)(ya)差(cha)時(shi)(shi)，通(tong)(tong)電(dian)(dian)(dian)(dian)(dian)后，電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)力(li)(li)先導(dao)(dao)(dao)小(xiao)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)，主(zhu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)下(xia)(xia)腔壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)上(shang)(shang)升(sheng)，上(shang)(shang)腔壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)下(xia)(xia)降(jiang)，從而利用(yong)(yong)壓(ya)(ya)(ya)(ya)(ya)(ya)差(cha)把(ba)主(zhu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)向(xiang)(xiang)上(shang)(shang)推(tui)(tui)開(kai)；斷電(dian)(dian)(dian)(dian)(dian)時(shi)(shi)，先導(dao)(dao)(dao)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)利用(yong)(yong)彈簧力(li)(li)或(huo)(huo)(huo)介(jie)質壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)推(tui)(tui)動(dong)(dong)(dong)關(guan)(guan)(guan)閉(bi)件，向(xiang)(xiang)下(xia)(xia)移動(dong)(dong)(dong)，使閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)關(guan)(guan)(guan)閉(bi)。特(te)點(dian)：在(zai)(zai)(zai)(zai)零(ling)壓(ya)(ya)(ya)(ya)(ya)(ya)差(cha)或(huo)(huo)(huo)真空(kong)、高(gao)壓(ya)(ya)(ya)(ya)(ya)(ya)時(shi)(shi)亦能可(ke)*動(dong)(dong)(dong)作(zuo)(zuo)(zuo)，但(dan)功(gong)率較大，要(yao)求(qiu)必須水(shui)平安裝(zhuang)。3）先導(dao)(dao)(dao)式(shi)(shi)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)：原理(li)：通(tong)(tong)電(dian)(dian)(dian)(dian)(dian)時(shi)(shi)，電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)力(li)(li)把(ba)先導(dao)(dao)(dao)孔打(da)開(kai)，上(shang)(shang)腔室壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)迅速下(xia)(xia)降(jiang)，在(zai)(zai)(zai)(zai)關(guan)(guan)(guan) 閉(bi)件周(zhou)圍形(xing)(xing)成上(shang)(shang)低(di)下(xia)(xia)高(gao)的(de)壓(ya)(ya)(ya)(ya)(ya)(ya)差(cha)，流(liu)(liu)(liu)(liu)體(ti)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)推(tui)(tui)動(dong)(dong)(dong)關(guan)(guan)(guan)閉(bi)件向(xiang)(xiang)上(shang)(shang)移動(dong)(dong)(dong)，閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)打(da)開(kai)；斷電(dian)(dian)(dian)(dian)(dian)時(shi)(shi)，彈簧力(li)(li)把(ba)先導(dao)(dao)(dao)孔關(guan)(guan)(guan)閉(bi)，入(ru)口(kou)(kou)(kou)(kou)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)通(tong)(tong)過旁通(tong)(tong)孔迅速腔室在(zai)(zai)(zai)(zai)關(guan)(guan)(guan)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)件周(zhou)圍形(xing)(xing)成下(xia)(xia)低(di)上(shang)(shang)高(gao)的(de)壓(ya)(ya)(ya)(ya)(ya)(ya)差(cha)，流(liu)(liu)(liu)(liu)體(ti)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)推(tui)(tui)動(dong)(dong)(dong)關(guan)(guan)(guan)閉(bi)件向(xiang)(xiang)下(xia)(xia)移動(dong)(dong)(dong)，關(guan)(guan)(guan)閉(bi)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)。特(te)點(dian)：流(liu)(liu)(liu)(liu)體(ti)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)范圍上(shang)(shang)限較高(gao)，可(ke)任意(yi)安裝(zhuang)（需定制）但(dan)必須滿足(zu)流(liu)(liu)(liu)(liu)體(ti)壓(ya)(ya)(ya)(ya)(ya)(ya)差(cha)條件。CKD電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)從閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)結(jie)構(gou)和(he)材料上(shang)(shang)的(de)不同與(yu)原理(li)上(shang)(shang)的(de)區別，分(fen)(fen)為(wei)六個分(fen)(fen)支小(xiao)類：直(zhi)(zhi)(zhi)動(dong)(dong)(dong)膜片結(jie)構(gou)、分(fen)(fen)步直(zhi)(zhi)(zhi)動(dong)(dong)(dong)膜片結(jie)構(gou)、先導(dao)(dao)(dao)膜片結(jie)構(gou)、直(zhi)(zhi)(zhi)動(dong)(dong)(dong)活塞(sai)(sai)(sai)結(jie)構(gou)、分(fen)(fen)步直(zhi)(zhi)(zhi)動(dong)(dong)(dong)活塞(sai)(sai)(sai)結(jie)構(gou)、先導(dao)(dao)(dao)活塞(sai)(sai)(sai)結(jie)構(gou)。1）根據(ju)介(jie)質流(liu)(liu)(liu)(liu)向(xiang)(xiang)要(yao)求(qiu)及(ji)(ji)管道連接(jie)(jie)方式(shi)(shi)選(xuan)(xuan)(xuan)擇閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)通(tong)(tong)口(kou)(kou)(kou)(kou)及(ji)(ji)型(xing)(xing)號2）根據(ju)流(liu)(liu)(liu)(liu)量和(he)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)門(men)Kv值選(xuan)(xuan)(xuan)定公(gong)稱通(tong)(tong)徑，也(ye)可(ke)選(xuan)(xuan)(xuan)同管道內(nei)徑；3）工(gong)作(zuo)(zuo)(zuo)壓(ya)(ya)(ya)(ya)(ya)(ya)差(cha)：zui低(di)工(gong)作(zuo)(zuo)(zuo)壓(ya)(ya)(ya)(ya)(ya)(ya)差(cha)在(zai)(zai)(zai)(zai)0.04Mpa以上(shang)(shang)是可(ke)選(xuan)(xuan)(xuan)用(yong)(yong)間(jian)接(jie)(jie)先導(dao)(dao)(dao)式(shi)(shi)；zui低(di)工(gong)作(zuo)(zuo)(zuo)壓(ya)(ya)(ya)(ya)(ya)(ya)差(cha)接(jie)(jie)近或(huo)(huo)(huo)小(xiao)于零(ling)的(de)必須選(xuan)(xuan)(xuan)用(yong)(yong)直(zhi)(zhi)(zhi)動(dong)(dong)(dong)式(shi)(shi)或(huo)(huo)(huo)分(fen)(fen)步直(zhi)(zhi)(zhi)接(jie)(jie)式(shi)(shi)。3、環境(jing)條件1）環境(jing)的(de)zui高(gao)和(he)zui低(di)溫度(du)應(ying)選(xuan)(xuan)(xuan)在(zai)(zai)(zai)(zai)允許范圍之內(nei)；2）環境(jing)中相對濕(shi)度(du)高(gao)及(ji)(ji)有(you)水(shui)滴雨淋等場(chang)合(he)，應(ying)選(xuan)(xuan)(xuan)防水(shui)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)；3）環境(jing)中經常有(you)振動(dong)(dong)(dong)，顛簸和(he)沖擊等場(chang)合(he)應(ying)選(xuan)(xuan)(xuan)特(te)殊品種(zhong)，例(li)如船用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)；4）在(zai)(zai)(zai)(zai)有(you)腐蝕(shi)性或(huo)(huo)(huo)爆(bao)炸性環境(jing)中的(de)使用(yong)(yong)應(ying)優先根據(ju)安全性要(yao)求(qiu)選(xuan)(xuan)(xuan)用(yong)(yong)耐(nai)發蝕(shi)型(xing)(xing)； 5）環境(jing)空(kong)間(jian)若受限制，需選(xuan)(xuan)(xuan)用(yong)(yong)多功(gong)能電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)，因其省去了旁路及(ji)(ji)三只手動(dong)(dong)(dong)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)且便(bian)于在(zai)(zai)(zai)(zai)線維(wei)修。4、電(dian)(dian)(dian)(dian)(dian)源(yuan)條件1）根據(ju)供電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)源(yuan)種(zhong)類，分(fen)(fen)別選(xuan)(xuan)(xuan)用(yong)(yong)交流(liu)(liu)(liu)(liu)和(he)直(zhi)(zhi)(zhi)流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)。一般來(lai)說(shuo)交流(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)源(yuan)取用(yong)(yong)方便(bian)；2）電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)規(gui)格用(yong)(yong)盡量優先選(xuan)(xuan)(xuan)用(yong)(yong)AC220V.DC24V；3）電(dian)(dian)(dian)(dian)(dian)源(yuan)電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)波動(dong)(dong)(dong)通(tong)(tong)常交流(liu)(liu)(liu)(liu)選(xuan)(xuan)(xuan)用(yong)(yong)+%10%.-15%，直(zhi)(zhi)(zhi)流(liu)(liu)(liu)(liu)允許±%10左右，如若超(chao)差(cha)，須采取穩(wen)壓(ya)(ya)(ya)(ya)(ya)(ya)措施；4）應(ying)根據(ju)電(dian)(dian)(dian)(dian)(dian)源(yuan)容(rong)量選(xuan)(xuan)(xuan)擇額定電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)和(he)消耗功(gong)率。須注意(yi)交流(liu)(liu)(liu)(liu)起動(dong)(dong)(dong)時(shi)(shi)VA值較高(gao)，在(zai)(zai)(zai)(zai)容(rong)量不足(zu)時(shi)(shi)應(ying)優先選(xuan)(xuan)(xuan)用(yong)(yong)間(jian)接(jie)(jie)導(dao)(dao)(dao)式(shi)(shi)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)。5.控(kong)制精度(du)1）普(pu)通(tong)(tong)電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)只有(you)開(kai)、關(guan)(guan)(guan)兩個位置，在(zai)(zai)(zai)(zai)控(kong)制精度(du)要(yao)求(qiu)高(gao)和(he)參數要(yao)求(qiu)平穩(wen)時(shi)(shi)需選(xuan)(xuan)(xuan)用(yong)(yong)多位電(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)；2）動(dong)(dong)(dong)作(zuo)(zuo)(zuo)時(shi)(shi)間(jian)：指電(dian)(dian)(dian)(dian)(dian)信(xin)號接(jie)(jie)通(tong)(tong)或(huo)(huo)(huo)切斷至主(zhu)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)動(dong)(dong)(dong)作(zuo)(zuo)(zuo)完成時(shi)(shi)間(jian)；3）泄(xie)漏量：樣本(ben)上(shang)(shang)給出(chu)的(de)泄(xie)漏量數值為(wei)常用(yong)(yong)經濟等級。

CKD電磁閥原理講解,CKD電磁閥參數