電(dian)(dian)(dian)(dian)(dian)(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)(liu)表(biao)(biao)(biao)(biao)是根據(ju)通(tong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)導體(ti)在(zai)(zai)磁(ci)(ci)(ci)(ci)(ci)(ci)場中受磁(ci)(ci)(ci)(ci)(ci)(ci)場力的(de)(de)(de)(de)(de)(de)作(zuo)用(yong)(yong)(yong)而(er)制成(cheng)(cheng)的(de)(de)(de)(de)(de)(de)。電(dian)(dian)(dian)(dian)(dian)(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)(liu)表(biao)(biao)(biao)(biao)內部(bu)有(you)(you)(you)一(yi)永磁(ci)(ci)(ci)(ci)(ci)(ci)體(ti)，在(zai)(zai)極間(jian)產生(sheng)磁(ci)(ci)(ci)(ci)(ci)(ci)場，在(zai)(zai)磁(ci)(ci)(ci)(ci)(ci)(ci)場中有(you)(you)(you)一(yi)個(ge)線(xian)(xian)圈(quan)(quan)，線(xian)(xian)圈(quan)(quan)兩(liang)端各(ge)有(you)(you)(you)一(yi)個(ge)游絲彈(dan)簧，彈(dan)簧各(ge)連接(jie)(jie)(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(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)(liu)表(biao)(biao)(biao)(biao)的(de)(de)(de)(de)(de)(de)一(yi)個(ge)接(jie)(jie)(jie)(jie)線(xian)(xian)柱(zhu)，在(zai)(zai)彈(dan)簧與線(xian)(xian)圈(quan)(quan)間(jian)由(you)一(yi)個(ge)轉(zhuan)軸(zhou)連接(jie)(jie)(jie)(jie)，在(zai)(zai)轉(zhuan)軸(zhou)相對(dui)(dui)(dui)于(yu)電(dian)(dian)(dian)(dian)(dian)(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)(liu)表(biao)(biao)(biao)(biao)的(de)(de)(de)(de)(de)(de)前端，有(you)(you)(you)一(yi)個(ge)指針。當有(you)(you)(you)電(dian)(dian)(dian)(dian)(dian)(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)(liu)通(tong)過(guo)(guo)時(shi)，電(dian)(dian)(dian)(dian)(dian)(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)(liu)沿彈(dan)簧、轉(zhuan)軸(zhou)通(tong)過(guo)(guo)磁(ci)(ci)(ci)(ci)(ci)(ci)場，電(dian)(dian)(dian)(dian)(dian)(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)(liu)切磁(ci)(ci)(ci)(ci)(ci)(ci)感線(xian)(xian)，所以受磁(ci)(ci)(ci)(ci)(ci)(ci)場力的(de)(de)(de)(de)(de)(de)作(zuo)用(yong)(yong)(yong)，使線(xian)(xian)圈(quan)(quan)發(fa)生(sheng)偏轉(zhuan)，帶動轉(zhuan)軸(zhou)、指針偏轉(zhuan)。由(you)于(yu)磁(ci)(ci)(ci)(ci)(ci)(ci)場力的(de)(de)(de)(de)(de)(de)大(da)(da)小隨電(dian)(dian)(dian)(dian)(dian)(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)(liu)增(zeng)大(da)(da)而(er)增(zeng)大(da)(da)，所以就(jiu)可(ke)(ke)(ke)以通(tong)過(guo)(guo)指針的(de)(de)(de)(de)(de)(de)偏轉(zhuan)程度來(lai)(lai)觀察電(dian)(dian)(dian)(dian)(dian)(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)(liu)的(de)(de)(de)(de)(de)(de)大(da)(da)小。一(yi)般可(ke)(ke)(ke)直(zhi)(zhi)接(jie)(jie)(jie)(jie)測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)微安(an)或(huo)毫安(an)數(shu)量(liang)(liang)(liang)(liang)(liang)級的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(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)(liu)，為測(ce)(ce)(ce)(ce)(ce)(ce)更大(da)(da)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(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)(liu)，電(dian)(dian)(dian)(dian)(dian)(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)(liu)表(biao)(biao)(biao)(biao)應(ying)有(you)(you)(you)并(bing)聯電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)器(qi)(qi)（又稱(cheng)分(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)）。主要采(cai)用(yong)(yong)(yong)磁(ci)(ci)(ci)(ci)(ci)(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao)的(de)(de)(de)(de)(de)(de)測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)機(ji)(ji)構(gou)(gou)。分(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)值要使滿量(liang)(liang)(liang)(liang)(liang)程電(dian)(dian)(dian)(dian)(dian)(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)(liu)通(tong)過(guo)(guo)時(shi)，電(dian)(dian)(dian)(dian)(dian)(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)(liu)表(biao)(biao)(biao)(biao)滿偏轉(zhuan)，即電(dian)(dian)(dian)(dian)(dian)(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)(liu)表(biao)(biao)(biao)(biao)指示達到最大(da)(da)。對(dui)(dui)(dui)于(yu)幾安(an)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(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)(liu)，可(ke)(ke)(ke)在(zai)(zai)電(dian)(dian)(dian)(dian)(dian)(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)(liu)表(biao)(biao)(biao)(biao)內設(she)置分(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)。對(dui)(dui)(dui)于(yu)幾安(an)以上的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(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)(liu)，則采(cai)用(yong)(yong)(yong)外附(fu)分(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)。大(da)(da)電(dian)(dian)(dian)(dian)(dian)(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)(liu)分(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)值很小，為避免引線(xian)(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)和(he)接(jie)(jie)(jie)(jie)觸電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)附(fu)加(jia)于(yu)分(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)而(er)引起誤差，分(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)要制成(cheng)(cheng)四端形式，即有(you)(you)(you)兩(liang)個(ge)電(dian)(dian)(dian)(dian)(dian)(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)(liu)端，兩(liang)個(ge)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓端。直(zhi)(zhi)流(liu)(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)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)主要采(cai)用(yong)(yong)(yong)磁(ci)(ci)(ci)(ci)(ci)(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)或(huo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動系(xi)測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)機(ji)(ji)構(gou)(gou)(見機(ji)(ji)械式指示電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao)測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)機(ji)(ji)構(gou)(gou))，這些測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)機(ji)(ji)構(gou)(gou)的(de)(de)(de)(de)(de)(de)測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)基本量(liang)(liang)(liang)(liang)(liang)是電(dian)(dian)(dian)(dian)(dian)(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)(liu)，可(ke)(ke)(ke)用(yong)(yong)(yong)來(lai)(lai)直(zhi)(zhi)接(jie)(jie)(jie)(jie)測(ce)(ce)(ce)(ce)(ce)(ce)小電(dian)(dian)(dian)(dian)(dian)(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)(liu)。對(dui)(dui)(dui)于(yu)大(da)(da)量(liang)(liang)(liang)(liang)(liang)值的(de)(de)(de)(de)(de)(de)直(zhi)(zhi)流(liu)(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)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，磁(ci)(ci)(ci)(ci)(ci)(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)機(ji)(ji)構(gou)(gou)要使用(yong)(yong)(yong)分(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)，也就(jiu)是并(bing)聯電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)。它的(de)(de)(de)(de)(de)(de)作(zuo)用(yong)(yong)(yong)是將大(da)(da)部(bu)分(fen)(fen)被測(ce)(ce)(ce)(ce)(ce)(ce)電(dian)(dian)(dian)(dian)(dian)(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)(liu)分(fen)(fen)流(liu)(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)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(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)(liu)多采(cai)用(yong)(yong)(yong)內附(fu)分(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi);對(dui)(dui)(dui)更大(da)(da)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(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)(liu)值，則使用(yong)(yong)(yong)分(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)。它采(cai)取四端結構(gou)(gou)(圖a)，具有(you)(you)(you)兩(liang)個(ge)電(dian)(dian)(dian)(dian)(dian)(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)(liu)端，兩(liang)個(ge)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)位端。交(jiao)流(liu)(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)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)表(biao)(biao)(biao)(biao)可(ke)(ke)(ke)采(cai)用(yong)(yong)(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)系(xi)或(huo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動系(xi)測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)機(ji)(ji)構(gou)(gou)。為使磁(ci)(ci)(ci)(ci)(ci)(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)系(xi)測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)機(ji)(ji)構(gou)(gou)也能用(yong)(yong)(yong)于(yu)測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)交(jiao)流(liu)(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)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)，可(ke)(ke)(ke)利用(yong)(yong)(yong)整流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)或(huo)熱電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)偶(ou)等器(qi)(qi)件先將交(jiao)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)轉(zhuan)換為直(zhi)(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu);由(you)它們組合而(er)成(cheng)(cheng)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao)分(fen)(fen)別稱(cheng)為整流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)式電(dian)(dian)(dian)(dian)(dian)(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)(liu)表(biao)(biao)(biao)(biao)(見整流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)式電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)表(biao)(biao)(biao)(biao))、熱電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)式電(dian)(dian)(dian)(dian)(dian)(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)(liu)表(biao)(biao)(biao)(biao)。為擴大(da)(da)量(liang)(liang)(liang)(liang)(liang)程以測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)大(da)(da)電(dian)(dian)(dian)(dian)(dian)(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)(liu)，整流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)式電(dian)(dian)(dian)(dian)(dian)(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)(liu)表(biao)(biao)(biao)(biao)也采(cai)用(yong)(yong)(yong)分(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi);電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動系(xi)電(dian)(dian)(dian)(dian)(dian)(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)(liu)表(biao)(biao)(biao)(biao)的(de)(de)(de)(de)(de)(de)做法同前;電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)(ci)(ci)(ci)系(xi)電(dian)(dian)(dian)(dian)(dian)(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)(liu)表(biao)(biao)(biao)(biao)則是加(jia)粗線(xian)(xian)圈(quan)(quan)導線(xian)(xian)、減少匝數(shu)。對(dui)(dui)(dui)于(yu)更大(da)(da)的(de)(de)(de)(de)(de)(de)測(ce)(ce)(ce)(ce)(ce)(ce)量(liang)(liang)(liang)(liang)(liang)電(dian)(dian)(dian)(dian)(dian)(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)(liu)值需配合電(dian)(dian)(dian)(dian)(dian)(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)(liu)互感器(qi)(qi)使用(yong)(yong)(yong)。通(tong)常(chang)可(ke)(ke)(ke)利用(yong)(yong)(yong)分(fen)(fen)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)器(qi)(qi)和(he)交(jiao)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)數(shu)字電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓表(biao)(biao)(biao)(biao)構(gou)(gou)成(cheng)(cheng)交(jiao)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)數(shu)字電(dian)(dian)(dian)(dian)(dian)(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)(liu)表(biao)(biao)(biao)(biao)。

流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)計(ji)(ji)(ji)(ji)(ji)英文名稱是flowmeter，全國科學(xue)技(ji)術(shu)名詞審(shen)定(ding)委(wei)員(yuan)會(hui)把它定(ding)義為(wei)：指示被測(ce)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)和(he)（或(huo)(huo)）在(zai)(zai)選定(ding)的(de)(de)(de)(de)時間間隔內流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)體(ti)總量(liang)(liang)(liang)(liang)(liang)(liang)的(de)(de)(de)(de)儀表。簡單(dan)來說就是用(yong)于(yu)測(ce)量(liang)(liang)(liang)(liang)(liang)(liang)管(guan)道或(huo)(huo)明渠(qu)(qu)中(zhong)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)體(ti)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)的(de)(de)(de)(de)一(yi)(yi)(yi)種儀表。流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)計(ji)(ji)(ji)(ji)(ji)又分(fen)為(wei)有差(cha)壓(ya)式流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)計(ji)(ji)(ji)(ji)(ji)、轉子(zi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)計(ji)(ji)(ji)(ji)(ji)、節(jie)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)式流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)計(ji)(ji)(ji)(ji)(ji)、細縫流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)計(ji)(ji)(ji)(ji)(ji)、容積流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)計(ji)(ji)(ji)(ji)(ji)、電(dian)磁流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)計(ji)(ji)(ji)(ji)(ji)、超聲波流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)計(ji)(ji)(ji)(ji)(ji)等(deng)。按介質(zhi)分(fen)類(lei)：液體(ti)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)計(ji)(ji)(ji)(ji)(ji)和(he)氣(qi)體(ti)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)計(ji)(ji)(ji)(ji)(ji)。工(gong)程上(shang)常用(yong)單(dan)位m3/h，它可(ke)分(fen)為(wei)瞬(shun)時流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)（Flow Rate）和(he)累計(ji)(ji)(ji)(ji)(ji)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)（Total Flow），瞬(shun)時流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)即單(dan)位時間內過(guo)(guo)封(feng)(feng)閉管(guan)道或(huo)(huo)明渠(qu)(qu)有效(xiao)截面(mian)的(de)(de)(de)(de)量(liang)(liang)(liang)(liang)(liang)(liang)，流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)過(guo)(guo)的(de)(de)(de)(de)物質(zhi)可(ke)以是氣(qi)體(ti)、液體(ti)、固體(ti)；累計(ji)(ji)(ji)(ji)(ji)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)即為(wei)在(zai)(zai)某一(yi)(yi)(yi)段時間間隔內（一(yi)(yi)(yi)天(tian)、一(yi)(yi)(yi)周、一(yi)(yi)(yi)月、一(yi)(yi)(yi)年(nian)）流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)體(ti)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)過(guo)(guo)封(feng)(feng)閉管(guan)道或(huo)(huo)明渠(qu)(qu)有效(xiao)截面(mian)的(de)(de)(de)(de)累計(ji)(ji)(ji)(ji)(ji)量(liang)(liang)(liang)(liang)(liang)(liang)。通過(guo)(guo)瞬(shun)時流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)對(dui)時間積分(fen)亦可(ke)求(qiu)得累計(ji)(ji)(ji)(ji)(ji)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)，所以瞬(shun)時流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)計(ji)(ji)(ji)(ji)(ji)和(he)累計(ji)(ji)(ji)(ji)(ji)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)計(ji)(ji)(ji)(ji)(ji)之間也可(ke)以相互轉化(hua)(hua)。流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)計(ji)(ji)(ji)(ji)(ji)量(liang)(liang)(liang)(liang)(liang)(liang)廣泛(fan)應用(yong)于(yu)工(gong)農(nong)業(ye)(ye)(ye)生(sheng)(sheng)(sheng)產(chan)(chan)、國防建設(she)、科學(xue)研究對(dui)外貿(mao)易以及人民生(sheng)(sheng)(sheng)活各個領域之中(zhong)。在(zai)(zai)石(shi)油工(gong)業(ye)(ye)(ye)生(sheng)(sheng)(sheng)產(chan)(chan)中(zhong)，從石(shi)油的(de)(de)(de)(de)開(kai)采、運(yun)輸、煉冶(ye)加工(gong)直至貿(mao)易銷(xiao)售(shou)，流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)計(ji)(ji)(ji)(ji)(ji)量(liang)(liang)(liang)(liang)(liang)(liang)貫(guan)穿于(yu)全過(guo)(guo)程中(zhong)，任何一(yi)(yi)(yi)個環節(jie)都(dou)離(li)不開(kai)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)計(ji)(ji)(ji)(ji)(ji)量(liang)(liang)(liang)(liang)(liang)(liang)，否則將無(wu)法(fa)保(bao)(bao)證(zheng)(zheng)石(shi)油工(gong)業(ye)(ye)(ye)的(de)(de)(de)(de)正常生(sheng)(sheng)(sheng)產(chan)(chan)和(he)貿(mao)易交往(wang)。在(zai)(zai)化(hua)(hua)工(gong)行(xing)(xing)(xing)(xing)業(ye)(ye)(ye)，流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)計(ji)(ji)(ji)(ji)(ji)量(liang)(liang)(liang)(liang)(liang)(liang)不準(zhun)確會(hui)造(zao)成化(hua)(hua)學(xue)成分(fen)分(fen)配比失調，無(wu)法(fa)保(bao)(bao)證(zheng)(zheng)產(chan)(chan)品(pin)質(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)，嚴(yan)重的(de)(de)(de)(de)還會(hui)發(fa)生(sheng)(sheng)(sheng)生(sheng)(sheng)(sheng)產(chan)(chan)安全事故。在(zai)(zai)電(dian)力工(gong)業(ye)(ye)(ye)生(sheng)(sheng)(sheng)產(chan)(chan)中(zhong)，對(dui)液體(ti)、氣(qi)體(ti)、蒸(zheng)汽(qi)等(deng)介質(zhi)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)的(de)(de)(de)(de)測(ce)量(liang)(liang)(liang)(liang)(liang)(liang)和(he)調節(jie)占有重要(yao)(yao)(yao)地位。流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)計(ji)(ji)(ji)(ji)(ji)量(liang)(liang)(liang)(liang)(liang)(liang)的(de)(de)(de)(de)準(zhun)確與否不僅(jin)對(dui)保(bao)(bao)證(zheng)(zheng)發(fa)電(dian)廠(chang)在(zai)(zai)參數(shu)下運(yun)行(xing)(xing)(xing)(xing)具有很大(da)的(de)(de)(de)(de)經濟意義，而(er)且隨著(zhu)高溫高壓(ya)大(da)容量(liang)(liang)(liang)(liang)(liang)(liang)機(ji)組的(de)(de)(de)(de)發(fa)展，流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)測(ce)量(liang)(liang)(liang)(liang)(liang)(liang)已成為(wei)保(bao)(bao)證(zheng)(zheng)發(fa)電(dian)廠(chang)安全運(yun)行(xing)(xing)(xing)(xing)的(de)(de)(de)(de)重要(yao)(yao)(yao)環節(jie)。如大(da)容量(liang)(liang)(liang)(liang)(liang)(liang)鍋爐瞬(shun)時給水流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)中(zhong)斷或(huo)(huo)減少(shao)，都(dou)可(ke)能造(zao)成嚴(yan)重的(de)(de)(de)(de)干鍋或(huo)(huo)爆(bao)管(guan)事故。這就要(yao)(yao)(yao)求(qiu)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)測(ce)量(liang)(liang)(liang)(liang)(liang)(liang)裝置(zhi)不但應做(zuo)到(dao)準(zhun)確計(ji)(ji)(ji)(ji)(ji)量(liang)(liang)(liang)(liang)(liang)(liang)，而(er)且要(yao)(yao)(yao)及時地發(fa)出報(bao)警(jing)信(xin)號(hao)。在(zai)(zai)鋼(gang)鐵工(gong)業(ye)(ye)(ye)生(sheng)(sheng)(sheng)產(chan)(chan)中(zhong)，煉鋼(gang)過(guo)(guo)程中(zhong)循環水和(he)氧氣(qi)(或(huo)(huo)空氣(qi))的(de)(de)(de)(de)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)測(ce)量(liang)(liang)(liang)(liang)(liang)(liang)是保(bao)(bao)證(zheng)(zheng)產(chan)(chan)品(pin)質(zhi)量(liang)(liang)(liang)(liang)(liang)(liang)的(de)(de)(de)(de)重要(yao)(yao)(yao)參數(shu)之一(yi)(yi)(yi)。在(zai)(zai)輕工(gong)業(ye)(ye)(ye)、食品(pin)、紡織等(deng)行(xing)(xing)(xing)(xing)業(ye)(ye)(ye)中(zhong)，也都(dou)離(li)不開(kai)流(liu)(liu)(liu)(liu)(liu)(liu)(liu)(liu)量(liang)(liang)(liang)(liang)(liang)(liang)計(ji)(ji)(ji)(ji)(ji)量(liang)(liang)(liang)(liang)(liang)(liang)。

蓄(xu)(xu)(xu)(xu)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)(neng)器(qi)(qi)(qi)(qi)(qi)是液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)氣(qi)動系(xi)(xi)統中(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)一種能(neng)(neng)(neng)(neng)(neng)(neng)(neng)(neng)量(liang)儲(chu)蓄(xu)(xu)(xu)(xu)裝(zhuang)置(zhi)。它在適當(dang)(dang)(dang)的(de)(de)(de)時(shi)(shi)機將(jiang)系(xi)(xi)統中(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)(neng)量(liang)轉(zhuan)變為(wei)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)縮(suo)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)(neng)或(huo)(huo)位能(neng)(neng)(neng)(neng)(neng)(neng)(neng)(neng)儲(chu)存起來，當(dang)(dang)(dang)系(xi)(xi)統需(xu)要(yao)時(shi)(shi)，又將(jiang)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)縮(suo)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)(neng)或(huo)(huo)位能(neng)(neng)(neng)(neng)(neng)(neng)(neng)(neng)轉(zhuan)變為(wei)液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)或(huo)(huo)氣(qi)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)等能(neng)(neng)(neng)(neng)(neng)(neng)(neng)(neng)而釋放(fang)出來，重(zhong)新補(bu)(bu)供給(gei)系(xi)(xi)統。當(dang)(dang)(dang)系(xi)(xi)統瞬(shun)間壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)增大(da)(da)時(shi)(shi)，它可(ke)(ke)(ke)(ke)以(yi)吸(xi)(xi)收(shou)這部分(fen)的(de)(de)(de)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)(neng)量(liang)，以(yi)保證整(zheng)個系(xi)(xi)統壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)正常(chang)(chang)。液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)油(you)(you)是不(bu)(bu)可(ke)(ke)(ke)(ke)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)縮(suo)液(ye)(ye)(ye)(ye)體(ti)(ti)，因(yin)此利用(yong)(yong)(yong)液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)油(you)(you)是無法蓄(xu)(xu)(xu)(xu)積壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)(neng)的(de)(de)(de)，必須依靠其他介質來轉(zhuan)換、蓄(xu)(xu)(xu)(xu)積壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)(neng)。例如，利用(yong)(yong)(yong)氣(qi)體(ti)(ti)（氮氣(qi)）的(de)(de)(de)可(ke)(ke)(ke)(ke)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)縮(suo)性質研(yan)制的(de)(de)(de)皮(pi)(pi)囊式充氣(qi)蓄(xu)(xu)(xu)(xu)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)(neng)器(qi)(qi)(qi)(qi)(qi)就(jiu)是一種蓄(xu)(xu)(xu)(xu)積液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)油(you)(you)的(de)(de)(de)裝(zhuang)置(zhi)。皮(pi)(pi)囊式蓄(xu)(xu)(xu)(xu)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)(neng)器(qi)(qi)(qi)(qi)(qi)由油(you)(you)液(ye)(ye)(ye)(ye)部分(fen)和帶有氣(qi)密封件的(de)(de)(de)氣(qi)體(ti)(ti)部分(fen)組成(cheng)，位于皮(pi)(pi)囊周(zhou)圍(wei)的(de)(de)(de)油(you)(you)液(ye)(ye)(ye)(ye)與油(you)(you)液(ye)(ye)(ye)(ye)回(hui)路(lu)接(jie)通。當(dang)(dang)(dang)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)升(sheng)高時(shi)(shi)油(you)(you)液(ye)(ye)(ye)(ye)進(jin)入蓄(xu)(xu)(xu)(xu)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)(neng)器(qi)(qi)(qi)(qi)(qi)，氣(qi)體(ti)(ti)被壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)縮(suo)，直到(dao)系(xi)(xi)統管路(lu)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)不(bu)(bu)再上(shang)升(sheng)；當(dang)(dang)(dang)管路(lu)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)下降(jiang)時(shi)(shi)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)縮(suo)空(kong)氣(qi)膨脹，將(jiang)油(you)(you)液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)入回(hui)路(lu)，從(cong)而減緩管路(lu)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)的(de)(de)(de)下降(jiang)。蓄(xu)(xu)(xu)(xu)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)(neng)器(qi)(qi)(qi)(qi)(qi)有兩種用(yong)(yong)(yong)途。①當(dang)(dang)(dang)低(di)速運動時(shi)(shi)載荷需(xu)要(yao)的(de)(de)(de)流(liu)(liu)量(liang)小(xiao)于液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)(beng)(beng)流(liu)(liu)量(liang)，液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)(beng)(beng)多余的(de)(de)(de)流(liu)(liu)量(liang)儲(chu)入蓄(xu)(xu)(xu)(xu)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)(neng)器(qi)(qi)(qi)(qi)(qi)，當(dang)(dang)(dang)載荷要(yao)求(qiu)流(liu)(liu)量(liang)大(da)(da)于液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)(beng)(beng)流(liu)(liu)量(liang)時(shi)(shi)，液(ye)(ye)(ye)(ye)體(ti)(ti)從(cong)蓄(xu)(xu)(xu)(xu)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)(neng)器(qi)(qi)(qi)(qi)(qi)放(fang)出來，以(yi)補(bu)(bu)液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)(beng)(beng)流(liu)(liu)量(liang)之不(bu)(bu)足。②當(dang)(dang)(dang)停機但(dan)(dan)仍(reng)需(xu)維(wei)持(chi)一定壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)時(shi)(shi)，可(ke)(ke)(ke)(ke)以(yi)停止液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)(beng)(beng)而由蓄(xu)(xu)(xu)(xu)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)(neng)器(qi)(qi)(qi)(qi)(qi)補(bu)(bu)償系(xi)(xi)統的(de)(de)(de)泄漏，以(yi)保持(chi)系(xi)(xi)統的(de)(de)(de)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)。蓄(xu)(xu)(xu)(xu)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)(neng)器(qi)(qi)(qi)(qi)(qi)也(ye)可(ke)(ke)(ke)(ke)用(yong)(yong)(yong)來吸(xi)(xi)收(shou)液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)泵(beng)(beng)(beng)的(de)(de)(de)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)脈(mo)動或(huo)(huo)吸(xi)(xi)收(shou)系(xi)(xi)統中(zhong)(zhong)(zhong)(zhong)產生的(de)(de)(de)液(ye)(ye)(ye)(ye)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)沖擊壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)。蓄(xu)(xu)(xu)(xu)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)(neng)器(qi)(qi)(qi)(qi)(qi)中(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)可(ke)(ke)(ke)(ke)以(yi)用(yong)(yong)(yong)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)縮(suo)氣(qi)體(ti)(ti)、重(zhong)錘(chui)或(huo)(huo)彈簧來產生，相(xiang)應地蓄(xu)(xu)(xu)(xu)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)(neng)器(qi)(qi)(qi)(qi)(qi)分(fen)為(wei)氣(qi)體(ti)(ti)式、重(zhong)錘(chui)式和彈簧式。氣(qi)體(ti)(ti)式蓄(xu)(xu)(xu)(xu)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)(neng)器(qi)(qi)(qi)(qi)(qi)中(zhong)(zhong)(zhong)(zhong)的(de)(de)(de)氣(qi)體(ti)(ti)與液(ye)(ye)(ye)(ye)體(ti)(ti)直接(jie)接(jie)觸(chu)者，稱為(wei)接(jie)觸(chu)式，其結(jie)構(gou)簡單，容量(liang)大(da)(da)，但(dan)(dan)液(ye)(ye)(ye)(ye)體(ti)(ti)中(zhong)(zhong)(zhong)(zhong)容易混(hun)入氣(qi)體(ti)(ti)，常(chang)(chang)用(yong)(yong)(yong)于水壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)機上(shang)。氣(qi)體(ti)(ti)與液(ye)(ye)(ye)(ye)體(ti)(ti)不(bu)(bu)接(jie)觸(chu)的(de)(de)(de)稱為(wei)隔(ge)離式，常(chang)(chang)用(yong)(yong)(yong)皮(pi)(pi)囊和隔(ge)膜來隔(ge)離，皮(pi)(pi)囊體(ti)(ti)積變化量(liang)大(da)(da)，隔(ge)膜體(ti)(ti)積變化量(liang)小(xiao)，常(chang)(chang)用(yong)(yong)(yong)于吸(xi)(xi)收(shou)壓(ya)(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)脈(mo)動。重(zhong)錘(chui)式容量(liang)較(jiao)大(da)(da)，常(chang)(chang)用(yong)(yong)(yong)于軋機等系(xi)(xi)統中(zhong)(zhong)(zhong)(zhong)，供蓄(xu)(xu)(xu)(xu)能(neng)(neng)(neng)(neng)(neng)(neng)(neng)(neng)用(yong)(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