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美(mei)國(guo)banner邦(bang)納(na)根(gen)據繼電(dian)器的型號選(xuan)擇(ze)
根(gen)據繼電(dian)器的型號不(bu)同,可以(yi)是(shi)交流電(dian)壓,也可以(yi)是(shi)直流(liu)電(dian)壓。直流(liu)電(dian)阻是(shi)指繼電(dian)器中(zhong)線圈(quan)的(de)直流(liu)電(dian)阻,可以(yi)通過表(biao)測量(liang)。吸(xi)合電(dian)流是(shi)指繼電(dian)器能夠產生吸(xi)合動(dong)作的zui小(xiao)電(dian)流。在正(zheng)常(chang)使(shi)用(yong)時(shi),給(gei)定的電(dian)流必須略大(da)於(yu)吸(xi)合電(dian)流,這(zhe)樣繼(ji)電(dian)器才(cai)能穩定地工作。而對於(yu)線(xian)圈所(suo)加的工(gong)作電(dian)壓,壹(yi)般不(bu)要超(chao)過額定工作電(dian)壓的1.5倍(bei),否(fou)則會產生較大的(de)電(dian)流而把線圈(quan)燒(shao)毀。光繼(ji)電(dian)器為AC/DC並用(yong)的(de)半導(dao)體(ti)繼(ji)電(dian)器,指發光器(qi)件和(he)受(shou)光 器(qi)件壹(yi)體(ti)化(hua)的器(qi)件。輸(shu)入(ru)側和輸(shu)出(chu)側電(dian)氣性絕緣(yuan),測線(xian)圈電(dian)阻可用(yong)表(biao)R×10Ω檔(dang)測量(liang)繼電(dian)器線圈的阻值(zhi),從(cong)而判(pan)斷(duan)該(gai)線(xian) 圈是(shi)否存在著開路(lu)現象(xiang)。
美(mei)國(guo)banner邦(bang)納(na)根(gen)據繼電(dian)器的型號選(xuan)擇(ze)測量(liang)吸(xi)合電(dian)壓和吸(xi)合電(dian)流找來可調(tiao)穩壓電(dian)源(yuan)和(he)電(dian)流表(biao),給(gei)繼電(dian)器輸入(ru)壹(yi)組(zu)電(dian)壓,且(qie)在供(gong)電(dian)回路(lu)中(zhong)串入(ru)電(dian)流表(biao)進(jin)行(xing)監測。慢(man)慢(man)調(tiao)高(gao)電(dian)源(yuan)電(dian)壓,聽(ting)到(dao)繼電(dian)器吸(xi)合聲時(shi),記(ji)下(xia)該吸(xi)合電(dian)壓和吸(xi)合電(dian)流。為求準確(que),可以(yi)試(shi)多幾(ji)次而(er)求平均(jun)值(zhi)。測量(liang)釋放(fang)電(dian)壓和釋放(fang)電(dian)流也是(shi)像上述那樣(yang)連(lian)接(jie)測試(shi),當繼(ji)電(dian)器發生吸(xi)合後(hou),再(zai)逐漸(jian)降低供(gong)電(dian)電(dian)壓但(dan)信號可以(yi)通過光信號傳輸(shu)。其(qi)特點(dian)為壽命(ming)為(wei)半*性(xing)、微(wei)小電(dian)流驅動(dong)信號、高(gao)阻抗絕緣(yuan)耐壓、超(chao)小(xiao)型、光傳輸(shu)、無(wu)接點(dian)…等(deng)。主要(yao)應用於(yu)量(liang)測設(she)備、通信設備、保全(quan)設(she)備、醫(yi)療(liao)設(she)備…等(deng)。
額(e)定工作電(dian)壓是(shi)指繼電(dian)器正(zheng)常(chang)工(gong)作時(shi)線(xian)圈所需要的電(dian)壓,也就是(shi)控制電(dian)路(lu)的(de)控(kong)制(zhi)電(dian)壓。釋放(fang)電(dian)流是(shi)指繼電(dian)器產生釋放(fang)動(dong)作的zui大(da)電(dian)流。當繼(ji)電(dian)器吸(xi)合狀(zhuang)態(tai)的(de)電(dian) 流減小到(dao)壹(yi)定程(cheng)度(du)時(shi),繼(ji)電(dian)器就會恢(hui)復到(dao)未通(tong)電(dian)的釋放(fang)狀(zhuang)態(tai)。這(zhe)時(shi)的(de)電(dian)流遠遠小於吸(xi)合電(dian)流。觸點(dian)切換電(dian)壓和電(dian)流是(shi)指繼電(dian)器允許加載的(de)電(dian)壓和電(dian)流。它決定了(le)繼(ji)電(dian)器能控制電(dian)壓和電(dian)流的大小,使(shi)用(yong)時(shi)不(bu)能超(chao)過此(ci)值,否(fou)則很容(rong)易(yi)損壞(huai)繼(ji)電(dian)器的觸點(dian)。美(mei)國(guo)banner邦(bang)納(na)根(gen)據繼電(dian)器的型號選(xuan)擇(ze)