電話:18937372692
傳真:0373-3052226
郵箱:xxfxyb@163.com
網址:uw67.cn
地址(zhi):新鄉市南站(zhan)向西100米路南
FX-L61-B型壓力變(bian)送器
河南FX-L61-B型壓力(li)(li)變(bian)(bian)送(song)器廠家告訴(su)你,壓力(li)(li)變(bian)(bian)送(song)器是工業實踐中常用(yong)的(de)(de)一種傳感器,其廣泛應用(yong)于各(ge)種工業自(zi)控環境,涉(she)及水(shui)利水(shui)電(dian)(dian)、鐵(tie)路交通、智能建(jian)筑、生產自(zi)控、航(hang)空(kong)航(hang)天、軍工、石化、油(you)井、電(dian)(dian)力(li)(li)、船舶、機(ji)床、管道等眾多行業。壓力(li)(li)變(bian)(bian)送(song)器有(you)電(dian)(dian)動式(shi)和氣(qi)動式(shi)兩大類。電(dian)(dian)動式(shi)的(de)(de)統一輸出信號為0~10mA、4~20mA或1~5V等直流(liu)電(dian)(dian)信號。氣(qi)動式(shi)的(de)(de)統一輸出信號為20~100Pa的(de)(de)氣(qi)體(ti)壓力(li)(li)。
壓力(li)變(bian)送(song)器按不同(tong)的轉換原(yuan)理可分為力(li)(力(li)矩)平(ping)衡式(shi)(shi)、電(dian)容(rong)式(shi)(shi)、電(dian)感式(shi)(shi)、應變(bian)式(shi)(shi)和(he)頻率式(shi)(shi)等,下(xia)面簡單介紹幾(ji)種壓力(li)(差壓)變(bian)送(song)器的原(yuan)理、結構、使用、檢(jian)修(xiu)和(he)校(xiao)驗等知識。
壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)變(bian)送(song)器(qi)的(de)(de)(de)(de)主(zhu)要作用(yong)(yong)把壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)信號(hao)傳(chuan)到(dao)電(dian)子(zi)設(she)備(bei),進而在計算機顯示(shi)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)其原理(li)大(da)致是:將(jiang)水壓(ya)(ya)(ya)(ya)(ya)(ya)這(zhe)種壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)的(de)(de)(de)(de)力(li)學信號(hao)轉變(bian)成電(dian)流(4-20mA)。這(zhe)樣的(de)(de)(de)(de)電(dian)子(zi)信號(hao)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)和電(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)或(huo)(huo)電(dian)流大(da)小成線(xian)性關系,一(yi)般是正(zheng)比關系。所以,變(bian)送(song)器(qi)輸出(chu)的(de)(de)(de)(de)電(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)或(huo)(huo)電(dian)流隨(sui)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)增大(da)而增大(da),由此得出(chu)一(yi)個壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)和電(dian)壓(ya)(ya)(ya)(ya)(ya)(ya)或(huo)(huo)電(dian)流的(de)(de)(de)(de)關系式。壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)變(bian)送(song)器(qi)的(de)(de)(de)(de)被測介質的(de)(de)(de)(de)兩種壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)通入(ru)高、低兩壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)室(shi),低壓(ya)(ya)(ya)(ya)(ya)(ya)室(shi)壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)采(cai)用(yong)(yong)大(da)氣壓(ya)(ya)(ya)(ya)(ya)(ya)或(huo)(huo)真空,作用(yong)(yong)在δ元(yuan)(即敏感元(yuan)件)的(de)(de)(de)(de)兩側隔(ge)(ge)離(li)(li)膜(mo)(mo)片(pian)上,通過(guo)隔(ge)(ge)離(li)(li)片(pian)和元(yuan)件內的(de)(de)(de)(de)填充液(ye)傳(chuan)送(song)到(dao)測量膜(mo)(mo)片(pian)兩側。
壓力變送器是由(you)測(ce)量膜(mo)片與兩(liang)側絕緣片上的電(dian)路及連接部件組成(cheng)一個電(dian)容器。當(dang)兩(liang)側壓力不(bu)(bu)一致時(shi),致使測(ce)量膜(mo)片產生位移,其位移量和壓力差(cha)成(cheng)正比,故(gu)兩(liang)側電(dian)容量就不(bu)(bu)等。
18937372692
二維碼 | 歡迎到手機站 |
聯系人:魏經理
手機:18937372692
電(dian)話(hua):0373-3052226
傳真:0373-3052226
郵箱:xxfxyb@163.com
地址:新鄉市南站向西100米路南
網址://uw67.cn