電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)是(shi)根據通(tong)(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)導(dao)體在磁(ci)(ci)(ci)場(chang)中受磁(ci)(ci)(ci)場(chang)力(li)的(de)(de)(de)作用(yong)(yong)而制(zhi)成的(de)(de)(de)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)內(nei)部有(you)(you)(you)一(yi)永(yong)磁(ci)(ci)(ci)體，在極(ji)間產生磁(ci)(ci)(ci)場(chang)，在磁(ci)(ci)(ci)場(chang)中有(you)(you)(you)一(yi)個(ge)(ge)線(xian)圈(quan)，線(xian)圈(quan)兩(liang)端(duan)(duan)(duan)(duan)各有(you)(you)(you)一(yi)個(ge)(ge)游絲彈簧(huang)，彈簧(huang)各連接(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)的(de)(de)(de)一(yi)個(ge)(ge)接(jie)(jie)線(xian)柱，在彈簧(huang)與線(xian)圈(quan)間由(you)(you)一(yi)個(ge)(ge)轉(zhuan)軸(zhou)(zhou)連接(jie)(jie)，在轉(zhuan)軸(zhou)(zhou)相對(dui)(dui)(dui)于(yu)(yu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)的(de)(de)(de)前端(duan)(duan)(duan)(duan)，有(you)(you)(you)一(yi)個(ge)(ge)指(zhi)針(zhen)。當有(you)(you)(you)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)通(tong)(tong)過(guo)時(shi)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)沿彈簧(huang)、轉(zhuan)軸(zhou)(zhou)通(tong)(tong)過(guo)磁(ci)(ci)(ci)場(chang)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)切磁(ci)(ci)(ci)感線(xian)，所以受磁(ci)(ci)(ci)場(chang)力(li)的(de)(de)(de)作用(yong)(yong)，使(shi)線(xian)圈(quan)發生偏轉(zhuan)，帶動(dong)轉(zhuan)軸(zhou)(zhou)、指(zhi)針(zhen)偏轉(zhuan)。由(you)(you)于(yu)(yu)磁(ci)(ci)(ci)場(chang)力(li)的(de)(de)(de)大(da)(da)小隨電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)增(zeng)大(da)(da)而增(zeng)大(da)(da)，所以就可(ke)(ke)以通(tong)(tong)過(guo)指(zhi)針(zhen)的(de)(de)(de)偏轉(zhuan)程度來(lai)觀察電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)的(de)(de)(de)大(da)(da)小。一(yi)般(ban)可(ke)(ke)直(zhi)接(jie)(jie)測(ce)(ce)(ce)(ce)量(liang)(liang)微安(an)或(huo)毫安(an)數量(liang)(liang)級的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，為測(ce)(ce)(ce)(ce)更(geng)大(da)(da)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)應有(you)(you)(you)并(bing)(bing)聯電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)器(qi)(qi)(qi)（又稱(cheng)分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)）。主要采(cai)(cai)(cai)用(yong)(yong)磁(ci)(ci)(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)(xi)(xi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)的(de)(de)(de)測(ce)(ce)(ce)(ce)量(liang)(liang)機(ji)構(gou)。分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)值(zhi)要使(shi)滿(man)量(liang)(liang)程電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)通(tong)(tong)過(guo)時(shi)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)滿(man)偏轉(zhuan)，即(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)指(zhi)示(shi)達到最大(da)(da)。對(dui)(dui)(dui)于(yu)(yu)幾安(an)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，可(ke)(ke)在電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)內(nei)設置分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)。對(dui)(dui)(dui)于(yu)(yu)幾安(an)以上的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，則(ze)采(cai)(cai)(cai)用(yong)(yong)外(wai)附(fu)分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)。大(da)(da)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)值(zhi)很小，為避免引線(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)和接(jie)(jie)觸電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)附(fu)加于(yu)(yu)分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)而引起誤差，分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)要制(zhi)成四端(duan)(duan)(duan)(duan)形式(shi)，即(ji)有(you)(you)(you)兩(liang)個(ge)(ge)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)端(duan)(duan)(duan)(duan)，兩(liang)個(ge)(ge)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓端(duan)(duan)(duan)(duan)。直(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)主要采(cai)(cai)(cai)用(yong)(yong)磁(ci)(ci)(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)(xi)(xi)或(huo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)系(xi)(xi)(xi)測(ce)(ce)(ce)(ce)量(liang)(liang)機(ji)構(gou)(見(jian)機(ji)械式(shi)指(zhi)示(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)測(ce)(ce)(ce)(ce)量(liang)(liang)機(ji)構(gou))，這些測(ce)(ce)(ce)(ce)量(liang)(liang)機(ji)構(gou)的(de)(de)(de)測(ce)(ce)(ce)(ce)量(liang)(liang)基(ji)本量(liang)(liang)是(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，可(ke)(ke)用(yong)(yong)來(lai)直(zhi)接(jie)(jie)測(ce)(ce)(ce)(ce)小電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)。對(dui)(dui)(dui)于(yu)(yu)大(da)(da)量(liang)(liang)值(zhi)的(de)(de)(de)直(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，磁(ci)(ci)(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)(xi)(xi)測(ce)(ce)(ce)(ce)量(liang)(liang)機(ji)構(gou)要使(shi)用(yong)(yong)分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)，也就是(shi)并(bing)(bing)聯電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)。它的(de)(de)(de)作用(yong)(yong)是(shi)將(jiang)(jiang)大(da)(da)部分(fen)(fen)(fen)(fen)被測(ce)(ce)(ce)(ce)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)。對(dui)(dui)(dui)約10A以下的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)多采(cai)(cai)(cai)用(yong)(yong)內(nei)附(fu)分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi);對(dui)(dui)(dui)更(geng)大(da)(da)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)值(zhi)，則(ze)使(shi)用(yong)(yong)分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)。它采(cai)(cai)(cai)取四端(duan)(duan)(duan)(duan)結構(gou)(圖a)，具有(you)(you)(you)兩(liang)個(ge)(ge)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)端(duan)(duan)(duan)(duan)，兩(liang)個(ge)(ge)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)位端(duan)(duan)(duan)(duan)。交(jiao)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)可(ke)(ke)采(cai)(cai)(cai)用(yong)(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)系(xi)(xi)(xi)或(huo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)系(xi)(xi)(xi)測(ce)(ce)(ce)(ce)量(liang)(liang)機(ji)構(gou)。為使(shi)磁(ci)(ci)(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)(xi)(xi)測(ce)(ce)(ce)(ce)量(liang)(liang)機(ji)構(gou)也能用(yong)(yong)于(yu)(yu)測(ce)(ce)(ce)(ce)量(liang)(liang)交(jiao)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，可(ke)(ke)利(li)用(yong)(yong)整流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)或(huo)熱(re)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)偶等器(qi)(qi)(qi)件先將(jiang)(jiang)交(jiao)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)轉(zhuan)換為直(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu);由(you)(you)它們(men)組合(he)而成的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)分(fen)(fen)(fen)(fen)別稱(cheng)為整流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)式(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)(見(jian)整流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)式(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao)(biao)(biao)(biao))、熱(re)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)式(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)。為擴大(da)(da)量(liang)(liang)程以測(ce)(ce)(ce)(ce)量(liang)(liang)大(da)(da)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，整流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)式(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)也采(cai)(cai)(cai)用(yong)(yong)分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi);電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)系(xi)(xi)(xi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)的(de)(de)(de)做法同前;電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)系(xi)(xi)(xi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)則(ze)是(shi)加粗線(xian)圈(quan)導(dao)線(xian)、減少匝數。對(dui)(dui)(dui)于(yu)(yu)更(geng)大(da)(da)的(de)(de)(de)測(ce)(ce)(ce)(ce)量(liang)(liang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)值(zhi)需配合(he)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)互感器(qi)(qi)(qi)使(shi)用(yong)(yong)。通(tong)(tong)常(chang)可(ke)(ke)利(li)用(yong)(yong)分(fen)(fen)(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)(qi)和交(jiao)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)數字電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓表(biao)(biao)(biao)(biao)(biao)(biao)(biao)構(gou)成交(jiao)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)數字電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)(biao)(biao)(biao)。

流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)計英文名稱是(shi)flowmeter，全國科學技術名詞審定委員(yuan)會把它定義(yi)(yi)為：指示被測流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)和(he)（或(huo)(huo)(huo)(huo)）在(zai)(zai)選定的(de)(de)(de)(de)時(shi)(shi)(shi)(shi)(shi)間間隔內流(liu)(liu)(liu)(liu)(liu)(liu)(liu)體(ti)總量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)的(de)(de)(de)(de)儀(yi)表。簡(jian)單(dan)(dan)來說(shuo)就(jiu)是(shi)用于測量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)管(guan)道(dao)或(huo)(huo)(huo)(huo)明(ming)(ming)渠中(zhong)(zhong)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)體(ti)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)的(de)(de)(de)(de)一(yi)種儀(yi)表。流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)計又(you)分為有差壓式流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)計、轉子流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)計、節(jie)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)式流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)計、細縫流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)計、容積(ji)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)計、電磁流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)計、超聲波(bo)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)計等。按介質(zhi)分類：液體(ti)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)計和(he)氣(qi)體(ti)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)計。工程(cheng)上常用單(dan)(dan)位(wei)m3/h，它可(ke)分為瞬(shun)(shun)時(shi)(shi)(shi)(shi)(shi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)（Flow Rate）和(he)累計流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)（Total Flow），瞬(shun)(shun)時(shi)(shi)(shi)(shi)(shi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)即(ji)(ji)單(dan)(dan)位(wei)時(shi)(shi)(shi)(shi)(shi)間內過(guo)(guo)封閉(bi)管(guan)道(dao)或(huo)(huo)(huo)(huo)明(ming)(ming)渠有效截(jie)面(mian)的(de)(de)(de)(de)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)，流(liu)(liu)(liu)(liu)(liu)(liu)(liu)過(guo)(guo)的(de)(de)(de)(de)物質(zhi)可(ke)以是(shi)氣(qi)體(ti)、液體(ti)、固(gu)體(ti)；累計流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)即(ji)(ji)為在(zai)(zai)某(mou)一(yi)段(duan)時(shi)(shi)(shi)(shi)(shi)間間隔內（一(yi)天(tian)、一(yi)周、一(yi)月(yue)、一(yi)年(nian)）流(liu)(liu)(liu)(liu)(liu)(liu)(liu)體(ti)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)過(guo)(guo)封閉(bi)管(guan)道(dao)或(huo)(huo)(huo)(huo)明(ming)(ming)渠有效截(jie)面(mian)的(de)(de)(de)(de)累計量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)。通(tong)過(guo)(guo)瞬(shun)(shun)時(shi)(shi)(shi)(shi)(shi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)對(dui)(dui)時(shi)(shi)(shi)(shi)(shi)間積(ji)分亦可(ke)求得累計流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)，所以瞬(shun)(shun)時(shi)(shi)(shi)(shi)(shi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)計和(he)累計流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)計之間也可(ke)以相互(hu)轉化(hua)(hua)。流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)計量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)廣(guang)泛應(ying)用于工農業(ye)生(sheng)(sheng)產(chan)(chan)、國防建設、科學研究對(dui)(dui)外貿(mao)易以及(ji)人民生(sheng)(sheng)活各(ge)個(ge)領域之中(zhong)(zhong)。在(zai)(zai)石油(you)工業(ye)生(sheng)(sheng)產(chan)(chan)中(zhong)(zhong)，從石油(you)的(de)(de)(de)(de)開采、運(yun)輸、煉冶加工直至貿(mao)易銷售，流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)計量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)貫穿于全過(guo)(guo)程(cheng)中(zhong)(zhong)，任何一(yi)個(ge)環(huan)節(jie)都離不(bu)(bu)開流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)計量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)，否(fou)則將無法保證石油(you)工業(ye)的(de)(de)(de)(de)正常生(sheng)(sheng)產(chan)(chan)和(he)貿(mao)易交(jiao)往(wang)。在(zai)(zai)化(hua)(hua)工行業(ye)，流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)計量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)不(bu)(bu)準確會造成(cheng)(cheng)化(hua)(hua)學成(cheng)(cheng)分分配比失(shi)調(diao)，無法保證產(chan)(chan)品(pin)質(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)，嚴重(zhong)(zhong)的(de)(de)(de)(de)還(huan)會發(fa)(fa)生(sheng)(sheng)生(sheng)(sheng)產(chan)(chan)安全事故。在(zai)(zai)電力(li)工業(ye)生(sheng)(sheng)產(chan)(chan)中(zhong)(zhong)，對(dui)(dui)液體(ti)、氣(qi)體(ti)、蒸汽等介質(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)的(de)(de)(de)(de)測量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)和(he)調(diao)節(jie)占有重(zhong)(zhong)要(yao)(yao)地位(wei)。流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)計量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)的(de)(de)(de)(de)準確與否(fou)不(bu)(bu)僅對(dui)(dui)保證發(fa)(fa)電廠在(zai)(zai)參數下(xia)運(yun)行具(ju)有很大(da)的(de)(de)(de)(de)經濟(ji)意義(yi)(yi)，而(er)且隨著高溫(wen)高壓大(da)容量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)機組的(de)(de)(de)(de)發(fa)(fa)展(zhan)，流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)測量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)已(yi)成(cheng)(cheng)為保證發(fa)(fa)電廠安全運(yun)行的(de)(de)(de)(de)重(zhong)(zhong)要(yao)(yao)環(huan)節(jie)。如(ru)大(da)容量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)鍋爐瞬(shun)(shun)時(shi)(shi)(shi)(shi)(shi)給水流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)中(zhong)(zhong)斷或(huo)(huo)(huo)(huo)減少，都可(ke)能造成(cheng)(cheng)嚴重(zhong)(zhong)的(de)(de)(de)(de)干鍋或(huo)(huo)(huo)(huo)爆(bao)管(guan)事故。這(zhe)就(jiu)要(yao)(yao)求流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)測量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)裝置不(bu)(bu)但應(ying)做到準確計量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)，而(er)且要(yao)(yao)及(ji)時(shi)(shi)(shi)(shi)(shi)地發(fa)(fa)出報警信(xin)號。在(zai)(zai)鋼鐵工業(ye)生(sheng)(sheng)產(chan)(chan)中(zhong)(zhong)，煉鋼過(guo)(guo)程(cheng)中(zhong)(zhong)循環(huan)水和(he)氧氣(qi)(或(huo)(huo)(huo)(huo)空(kong)氣(qi))的(de)(de)(de)(de)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)測量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)是(shi)保證產(chan)(chan)品(pin)質(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)的(de)(de)(de)(de)重(zhong)(zhong)要(yao)(yao)參數之一(yi)。在(zai)(zai)輕(qing)工業(ye)、食品(pin)、紡(fang)織(zhi)等行業(ye)中(zhong)(zhong)，也都離不(bu)(bu)開流(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)計量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)。

蓄(xu)能(neng)(neng)(neng)(neng)器(qi)是(shi)液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)氣(qi)(qi)動系(xi)統(tong)(tong)(tong)中的(de)一種(zhong)能(neng)(neng)(neng)(neng)量(liang)(liang)(liang)(liang)(liang)儲(chu)蓄(xu)裝(zhuang)置(zhi)。它在(zai)適當(dang)(dang)的(de)時(shi)(shi)機(ji)將系(xi)統(tong)(tong)(tong)中的(de)能(neng)(neng)(neng)(neng)量(liang)(liang)(liang)(liang)(liang)轉(zhuan)變(bian)為(wei)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)縮能(neng)(neng)(neng)(neng)或(huo)(huo)位(wei)能(neng)(neng)(neng)(neng)儲(chu)存(cun)起來(lai)，當(dang)(dang)系(xi)統(tong)(tong)(tong)需(xu)要時(shi)(shi)，又將壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)縮能(neng)(neng)(neng)(neng)或(huo)(huo)位(wei)能(neng)(neng)(neng)(neng)轉(zhuan)變(bian)為(wei)液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)或(huo)(huo)氣(qi)(qi)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)等(deng)能(neng)(neng)(neng)(neng)而(er)釋放(fang)出來(lai)，重新補供給系(xi)統(tong)(tong)(tong)。當(dang)(dang)系(xi)統(tong)(tong)(tong)瞬間壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)增大(da)(da)時(shi)(shi)，它可以(yi)吸(xi)收(shou)這部(bu)分(fen)的(de)能(neng)(neng)(neng)(neng)量(liang)(liang)(liang)(liang)(liang)，以(yi)保證整個(ge)系(xi)統(tong)(tong)(tong)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)正常。液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)油(you)(you)是(shi)不(bu)(bu)可壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)縮液(ye)(ye)(ye)(ye)(ye)(ye)(ye)體(ti)(ti)(ti)(ti)，因此利用(yong)(yong)液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)油(you)(you)是(shi)無法蓄(xu)積(ji)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)能(neng)(neng)(neng)(neng)的(de)，必須依靠其(qi)他介質來(lai)轉(zhuan)換、蓄(xu)積(ji)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)能(neng)(neng)(neng)(neng)。例如，利用(yong)(yong)氣(qi)(qi)體(ti)(ti)(ti)(ti)（氮(dan)氣(qi)(qi)）的(de)可壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)縮性質研制的(de)皮囊(nang)式(shi)充氣(qi)(qi)蓄(xu)能(neng)(neng)(neng)(neng)器(qi)就(jiu)是(shi)一種(zhong)蓄(xu)積(ji)液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)油(you)(you)的(de)裝(zhuang)置(zhi)。皮囊(nang)式(shi)蓄(xu)能(neng)(neng)(neng)(neng)器(qi)由(you)油(you)(you)液(ye)(ye)(ye)(ye)(ye)(ye)(ye)部(bu)分(fen)和帶(dai)有氣(qi)(qi)密封件的(de)氣(qi)(qi)體(ti)(ti)(ti)(ti)部(bu)分(fen)組成，位(wei)于皮囊(nang)周圍的(de)油(you)(you)液(ye)(ye)(ye)(ye)(ye)(ye)(ye)與(yu)油(you)(you)液(ye)(ye)(ye)(ye)(ye)(ye)(ye)回路接(jie)通。當(dang)(dang)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)升高時(shi)(shi)油(you)(you)液(ye)(ye)(ye)(ye)(ye)(ye)(ye)進(jin)入(ru)蓄(xu)能(neng)(neng)(neng)(neng)器(qi)，氣(qi)(qi)體(ti)(ti)(ti)(ti)被(bei)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)縮，直到系(xi)統(tong)(tong)(tong)管(guan)路壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)不(bu)(bu)再上升；當(dang)(dang)管(guan)路壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)下(xia)降(jiang)時(shi)(shi)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)縮空氣(qi)(qi)膨(peng)脹，將油(you)(you)液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)入(ru)回路，從(cong)而(er)減緩管(guan)路壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)的(de)下(xia)降(jiang)。蓄(xu)能(neng)(neng)(neng)(neng)器(qi)有兩種(zhong)用(yong)(yong)途。①當(dang)(dang)低(di)速運動時(shi)(shi)載荷需(xu)要的(de)流量(liang)(liang)(liang)(liang)(liang)小于液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)流量(liang)(liang)(liang)(liang)(liang)，液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)多余的(de)流量(liang)(liang)(liang)(liang)(liang)儲(chu)入(ru)蓄(xu)能(neng)(neng)(neng)(neng)器(qi)，當(dang)(dang)載荷要求流量(liang)(liang)(liang)(liang)(liang)大(da)(da)于液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)流量(liang)(liang)(liang)(liang)(liang)時(shi)(shi)，液(ye)(ye)(ye)(ye)(ye)(ye)(ye)體(ti)(ti)(ti)(ti)從(cong)蓄(xu)能(neng)(neng)(neng)(neng)器(qi)放(fang)出來(lai)，以(yi)補液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)流量(liang)(liang)(liang)(liang)(liang)之不(bu)(bu)足(zu)。②當(dang)(dang)停機(ji)但仍(reng)需(xu)維持一定壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)時(shi)(shi)，可以(yi)停止液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)而(er)由(you)蓄(xu)能(neng)(neng)(neng)(neng)器(qi)補償系(xi)統(tong)(tong)(tong)的(de)泄漏(lou)，以(yi)保持系(xi)統(tong)(tong)(tong)的(de)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)。蓄(xu)能(neng)(neng)(neng)(neng)器(qi)也(ye)可用(yong)(yong)來(lai)吸(xi)收(shou)液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)的(de)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)脈(mo)動或(huo)(huo)吸(xi)收(shou)系(xi)統(tong)(tong)(tong)中產(chan)生(sheng)(sheng)的(de)液(ye)(ye)(ye)(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)沖(chong)擊壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)。蓄(xu)能(neng)(neng)(neng)(neng)器(qi)中的(de)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)可以(yi)用(yong)(yong)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)縮氣(qi)(qi)體(ti)(ti)(ti)(ti)、重錘或(huo)(huo)彈簧來(lai)產(chan)生(sheng)(sheng)，相(xiang)應地蓄(xu)能(neng)(neng)(neng)(neng)器(qi)分(fen)為(wei)氣(qi)(qi)體(ti)(ti)(ti)(ti)式(shi)、重錘式(shi)和彈簧式(shi)。氣(qi)(qi)體(ti)(ti)(ti)(ti)式(shi)蓄(xu)能(neng)(neng)(neng)(neng)器(qi)中的(de)氣(qi)(qi)體(ti)(ti)(ti)(ti)與(yu)液(ye)(ye)(ye)(ye)(ye)(ye)(ye)體(ti)(ti)(ti)(ti)直接(jie)接(jie)觸(chu)者(zhe)，稱(cheng)為(wei)接(jie)觸(chu)式(shi)，其(qi)結(jie)構簡單，容(rong)量(liang)(liang)(liang)(liang)(liang)大(da)(da)，但液(ye)(ye)(ye)(ye)(ye)(ye)(ye)體(ti)(ti)(ti)(ti)中容(rong)易混入(ru)氣(qi)(qi)體(ti)(ti)(ti)(ti)，常用(yong)(yong)于水(shui)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)機(ji)上。氣(qi)(qi)體(ti)(ti)(ti)(ti)與(yu)液(ye)(ye)(ye)(ye)(ye)(ye)(ye)體(ti)(ti)(ti)(ti)不(bu)(bu)接(jie)觸(chu)的(de)稱(cheng)為(wei)隔離式(shi)，常用(yong)(yong)皮囊(nang)和隔膜(mo)來(lai)隔離，皮囊(nang)體(ti)(ti)(ti)(ti)積(ji)變(bian)化(hua)量(liang)(liang)(liang)(liang)(liang)大(da)(da)，隔膜(mo)體(ti)(ti)(ti)(ti)積(ji)變(bian)化(hua)量(liang)(liang)(liang)(liang)(liang)小，常用(yong)(yong)于吸(xi)收(shou)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)脈(mo)動。重錘式(shi)容(rong)量(liang)(liang)(liang)(liang)(liang)較(jiao)大(da)(da)，常用(yong)(yong)于軋機(ji)等(deng)系(xi)統(tong)(tong)(tong)中，供蓄(xu)能(neng)(neng)(neng)(neng)用(yong)(yong)。

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SCHUNK雄克機械 ASG05900313968翊霈優供

SCHUNK雄克機械 ASG05900313968翊霈優供