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通化電磁閥
通化電磁閥

通化電磁閥

  • 所屬分類:通(tong)化配件類
  • 發布日期:2019-05-07
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電(dian)(dian)磁(ci)閥(fa)(Electromagnetic valve)是用(yong)電(dian)(dian)磁(ci)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)的(de)(de)工業設備,是用(yong)來(lai)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)流體(ti)的(de)(de)自(zi)動化基礎(chu)元件,屬于執行器(qi),并不(bu)限于液(ye)壓、氣動。用(yong)在(zai)工業控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)系(xi)統(tong)中調整(zheng)介質的(de)(de)方向(xiang)、流量、速度(du)和其他的(de)(de)參(can)數。電(dian)(dian)磁(ci)閥(fa)可(ke)以(yi)配合不(bu)同的(de)(de)電(dian)(dian)路來(lai)實現預期的(de)(de)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi),而控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)的(de)(de)精度(du)和靈活性都(dou)能夠保(bao)證。電(dian)(dian)磁(ci)閥(fa)有很(hen)多種,不(bu)同的(de)(de)電(dian)(dian)磁(ci)閥(fa)在(zai)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)系(xi)統(tong)的(de)(de)不(bu)同位置發揮作用(yong),最常(chang)用(yong)的(de)(de)是單向(xiang)閥(fa)、安全閥(fa)、方向(xiang)控(kong)(kong)制(zhi)(zhi)(zhi)(zhi)閥(fa)、速度(du)調節(jie)閥(fa)等(deng)。

電磁閥(fa)里有(you)密閉的(de)(de)(de)腔,在(zai)不(bu)(bu)同位置開(kai)有(you)通孔(kong),每個孔(kong)連接不(bu)(bu)同的(de)(de)(de)油管,腔中間是活塞(sai),兩(liang)面是兩(liang)塊電磁鐵,哪(na)面的(de)(de)(de)磁鐵線圈通電閥(fa)體就會被吸(xi)引到哪(na)邊,通過控(kong)制(zhi)閥(fa)體的(de)(de)(de)移動來開(kai)啟或(huo)關(guan)閉不(bu)(bu)同的(de)(de)(de)排油孔(kong),而進(jin)油孔(kong)是常開(kai)的(de)(de)(de),液壓油就會進(jin)入不(bu)(bu)同的(de)(de)(de)排油管,然后(hou)通過油的(de)(de)(de)壓力來推動油缸(gang)的(de)(de)(de)活塞(sai),活塞(sai)又帶動活塞(sai)桿,活塞(sai)桿帶動機械裝置。這樣通過控(kong)制(zhi)電磁鐵的(de)(de)(de)電流(liu)通斷就控(kong)制(zhi)了機械運(yun)動。

1、電磁閥(fa)從原理上分為三(san)大類:

直動式電磁閥

原理:通(tong)電(dian)(dian)時,電(dian)(dian)磁(ci)線(xian)圈產(chan)生電(dian)(dian)磁(ci)力把關閉件從閥(fa)座上(shang)提起(qi),閥(fa)門(men)打(da)開;斷(duan)電(dian)(dian)時,電(dian)(dian)磁(ci)力消失,彈簧把關閉件壓在(zai)閥(fa)座上(shang),閥(fa)門(men)關閉。

特點:在真空、負壓、零壓時(shi)能正常工作(zuo),但通徑一般不超過(guo)25mm。

分(fen)步直動式電磁閥

原理(li):它是一種直動(dong)和先導式相結合的原理(li),當入(ru)口與出口沒有壓(ya)差(cha)時,通電(dian)后,電(dian)磁力直接把先導小閥(fa)(fa)和主閥(fa)(fa)關(guan)閉(bi)件(jian)依次向上(shang)提起,閥(fa)(fa)門打開。當入(ru)口與出口達(da)到啟動(dong)壓(ya)差(cha)時,通電(dian)后,電(dian)磁力先導小閥(fa)(fa),主閥(fa)(fa)下(xia)腔壓(ya)力上(shang)升,上(shang)腔壓(ya)力下(xia)降(jiang),從而利用壓(ya)差(cha)把主閥(fa)(fa)向上(shang)推開;斷電(dian)時,先導閥(fa)(fa)利用彈簧力或介質壓(ya)力推動(dong)關(guan)閉(bi)件(jian),向下(xia)移動(dong),使閥(fa)(fa)門關(guan)閉(bi)。

特點(dian):在零壓(ya)差或真空、高壓(ya)時(shi)亦能可*動(dong)作,但功率較(jiao)大,要(yao)求必須水(shui)平安裝。

先導式電磁閥

原理:通(tong)電(dian)時(shi),電(dian)磁(ci)力(li)把(ba)先導孔打(da)開,上腔室(shi)壓力(li)迅速(su)下降,在關 閉(bi)件周圍(wei)形成(cheng)上低(di)下高的(de)壓差(cha)(cha),流體壓力(li)推(tui)動(dong)(dong)(dong)關閉(bi)件向(xiang)上移(yi)動(dong)(dong)(dong),閥(fa)門(men)打(da)開;斷電(dian)時(shi),彈簧力(li)把(ba)先導孔關閉(bi),入口壓力(li)通(tong)過(guo)旁通(tong)孔迅速(su)腔室(shi)在關閥(fa)件周圍(wei)形成(cheng)下低(di)上高的(de)壓差(cha)(cha),流體壓力(li)推(tui)動(dong)(dong)(dong)關閉(bi)件向(xiang)下移(yi)動(dong)(dong)(dong),關閉(bi)閥(fa)門(men)。

特點(dian):流體(ti)(ti)壓力范圍上限較(jiao)高,可任意安(an)裝(需定制)但必須(xu)滿足流體(ti)(ti)壓差條件。

2、電磁閥(fa)從閥(fa)結構和材料上(shang)的不同(tong)與原理上(shang)的區別,分(fen)(fen)為六個分(fen)(fen)支小類:直動膜片結構、分(fen)(fen)步(bu)直動膜片結構、先(xian)導膜片結構、直動活塞結構、分(fen)(fen)步(bu)直動活塞結構、先(xian)導活塞結構。

3、電(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)按照(zhao)功能分類(lei):水用(yong)電(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)、蒸(zheng)汽電(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)、制冷電(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)、低溫(wen)電(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)、燃氣(qi)電(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)、消(xiao)防電(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)、氨用(yong)電(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)、氣(qi)體(ti)電(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)、液體(ti)電(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)、微型電(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)、脈沖電(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)、液壓電(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa) 常開(kai)電(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)、油用(yong)電(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)、直流(liu)電(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)、高壓電(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)、防爆電(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)等。


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