barksdale UDS3V3電子式多點壓力開關的作用
帶有內置不銹鋼隔膜,數字顯示,四個開關量輸出和一個模擬量輸出。線性誤差±0.5 %。
特點:
帶條形圖趨(qu)勢指示(shi)的8位(wei)(wei)14段LCD顯示(shi),微處理器控(kong)制,自診斷,所有參數(shu)由(you)鍵(jian)盤(pan)設定(ding),顯示(shi)單位(wei)(wei)可選擇(ze),可調(diao)節的鍵(jian)盤(pan)鎖,高精度,快速掃描速率。
技術參數:
傳感(gan)元(yuan)件(jian):壓阻硅測量元(yuan)件(jian)
材料:
浸潤部件:不銹(xiu)鋼
材料號1.4301
電子裝(zhuang)置外殼:壓(ya)鑄(zhu)鋁
密封:FKM
鍵(jian)盤(pan):聚酯
防護等級:IP65
溫度影響(xiang):±0.2%滿量程/10K
barksdale UDS3V3電子式多點壓力開關的作用:
主(zhu)要(yao)應用(yong)領(ling)域:主(zhu)要(yao)用(yong)于家用(yong)、商用(yong)、汽車制冷(leng)系統的(de)高(gao)、低壓力保護控制,蒸汽工況(kuang)和發電站;蓄能器(qi),接收(shou)器(qi),閃蒸罐,分(fen)離器(qi),洗滌器(qi),煉油裝(zhuang)置。也可適(shi)用(yong)于各種(zhong)設備工具的(de)高(gao)、低壓力保護控制。
電子式壓(ya)(ya)力(li)(li)開關(guan)用(yong)(yong)(yong)在空(kong)(kong)(kong)(kong)(kong)壓(ya)(ya)機(ji)(ji)(ji)上面主要(yao)是來調節空(kong)(kong)(kong)(kong)(kong)壓(ya)(ya)機(ji)(ji)(ji)的(de)(de)(de)起(qi)停狀態,通(tong)過(guo)調節儲(chu)(chu)氣(qi)(qi)(qi)罐(guan)內的(de)(de)(de)壓(ya)(ya)力(li)(li)來讓空(kong)(kong)(kong)(kong)(kong)壓(ya)(ya)機(ji)(ji)(ji)停機(ji)(ji)(ji)休(xiu)息(xi),對機(ji)(ji)(ji)器(qi)有保養作(zuo)用(yong)(yong)(yong).在空(kong)(kong)(kong)(kong)(kong)壓(ya)(ya)機(ji)(ji)(ji)工(gong)廠(chang)調試的(de)(de)(de)時(shi)(shi)(shi)候(hou),根據客戶(hu)需要(yao)調節到設(she)置(zhi)壓(ya)(ya)力(li)(li),然后(hou)設(she)定(ding)一(yi)個壓(ya)(ya)差.例如,壓(ya)(ya)縮(suo)(suo)(suo)機(ji)(ji)(ji)開始啟動(dong),向儲(chu)(chu)氣(qi)(qi)(qi)罐(guan)打氣(qi)(qi)(qi),到壓(ya)(ya)力(li)(li)10kg的(de)(de)(de)時(shi)(shi)(shi)候(hou),空(kong)(kong)(kong)(kong)(kong)壓(ya)(ya)機(ji)(ji)(ji)停機(ji)(ji)(ji)或者卸(xie)載,當壓(ya)(ya)力(li)(li)到7kg的(de)(de)(de)時(shi)(shi)(shi)候(hou)空(kong)(kong)(kong)(kong)(kong)壓(ya)(ya)機(ji)(ji)(ji)又開始啟動(dong),此間有一(yi)個壓(ya)(ya)力(li)(li)差,這個過(guo)程(cheng)就可以讓壓(ya)(ya)縮(suo)(suo)(suo)機(ji)(ji)(ji)休(xiu)息(xi)一(yi)下,達到保護空(kong)(kong)(kong)(kong)(kong)壓(ya)(ya)機(ji)(ji)(ji)的(de)(de)(de)作(zuo)用(yong)(yong)(yong).由(you)電動(dong)機(ji)(ji)(ji)直接(jie)驅動(dong)壓(ya)(ya)縮(suo)(suo)(suo)機(ji)(ji)(ji),使(shi)曲軸產生旋(xuan)轉運(yun)動(dong),帶動(dong)連桿使(shi)活(huo)塞產生往復(fu)運(yun)動(dong),引起(qi)氣(qi)(qi)(qi)缸(gang)容積變(bian)化(hua)(hua)。由(you)於氣(qi)(qi)(qi)缸(gang)內壓(ya)(ya)力(li)(li)的(de)(de)(de)變(bian)化(hua)(hua),通(tong)過(guo)進氣(qi)(qi)(qi)閥使(shi)空(kong)(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)經(jing)過(guo)空(kong)(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)濾清器(qi)(消聲器(qi))進入氣(qi)(qi)(qi)缸(gang),在壓(ya)(ya)縮(suo)(suo)(suo)行程(cheng)中,由(you)於氣(qi)(qi)(qi)缸(gang)容積的(de)(de)(de)縮(suo)(suo)(suo)小,壓(ya)(ya)縮(suo)(suo)(suo)空(kong)(kong)(kong)(kong)(kong)氣(qi)(qi)(qi)經(jing)過(guo)排(pai)(pai)氣(qi)(qi)(qi)閥的(de)(de)(de)作(zuo)用(yong)(yong)(yong),質量(liang)流量(liang)計經(jing)排(pai)(pai)氣(qi)(qi)(qi)管,單(dan)向閥(止(zhi)回(hui)閥)進入儲(chu)(chu)氣(qi)(qi)(qi)罐(guan),當排(pai)(pai)氣(qi)(qi)(qi)壓(ya)(ya)力(li)(li)達到額定(ding)壓(ya)(ya)力(li)(li)0.7mpa時(shi)(shi)(shi)由(you)壓(ya)(ya)力(li)(li)開關(guan)控制而(er)自動(dong)停機(ji)(ji)(ji)。當儲(chu)(chu)氣(qi)(qi)(qi)罐(guan)壓(ya)(ya)力(li)(li)降至0.5--0.6mpa時(shi)(shi)(shi),壓(ya)(ya)力(li)(li)開關(guan)自動(dong)聯接(jie)啟動(dong)。
電(dian)子式(shi)壓(ya)力開(kai)(kai)(kai)關(guan)代替各種電(dian)子式(shi)壓(ya)力開(kai)(kai)(kai)關(guan)已逐漸成為(wei)應用的主流。通常有(you)(you)壓(ya)力開(kai)(kai)(kai)關(guan)的泵(beng)(beng)(beng)(beng)(beng),都是(shi)一些高(gao)壓(ya)泵(beng)(beng)(beng)(beng)(beng),比如往(wang)高(gao)樓上(shang)送水的泵(beng)(beng)(beng)(beng)(beng),為(wei)了是(shi)讓達(da)到一定壓(ya)力后(hou),水泵(beng)(beng)(beng)(beng)(beng)停(ting)機(ji),避免沒有(you)(you)負荷但水泵(beng)(beng)(beng)(beng)(beng)也一直在那轉,浪費電(dian),同時(shi)蓄能(neng)罐的作用不(bu)會(hui)讓壓(ya)力立即喪失(shi),所以不(bu)是(shi)大量用水水泵(beng)(beng)(beng)(beng)(beng)也不(bu)會(hui)啟動.當自(zi)(zi)來水管道(dao)或氣(qi)(qi)泵(beng)(beng)(beng)(beng)(beng)的壓(ya)力小(xiao)于(yu)開(kai)(kai)(kai)關(guan)壓(ya)力調(diao)點(dian)的下限(xian),開(kai)(kai)(kai)關(guan)自(zi)(zi)動接通,泵(beng)(beng)(beng)(beng)(beng)開(kai)(kai)(kai)始運轉,當自(zi)(zi)來水管道(dao)或氣(qi)(qi)泵(beng)(beng)(beng)(beng)(beng)的壓(ya)力大于(yu)開(kai)(kai)(kai)關(guan)壓(ya)力調(diao)點(dian)的上(shang)限(xian),開(kai)(kai)(kai)關(guan)自(zi)(zi)動斷開(kai)(kai)(kai),泵(beng)(beng)(beng)(beng)(beng)停(ting)止運轉,開(kai)(kai)(kai)關(guan)壓(ya)力的上(shang)下限(xian)隨用水高(gao)度和(he)氣(qi)(qi)泵(beng)(beng)(beng)(beng)(beng)所需壓(ya)力的不(bu)同可以在調(diao)整范(fan)圍(wei)內調(diao)整。
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