【固(gu)態繼(ji)電器與(yu)普(pu)(pu)通繼(ji)電器區別】固(gu)態與(yu)普(pu)(pu)通繼(ji)電器的5大不(bu)同(tong) 固(gu)態繼(ji)電器使用(yong)
繼電器是(shi)一種電(dian)(dian)(dian)控(kong)(kong)制(zhi)器(qi)件,是(shi)當(dang)輸入量(liang)(激勵量(liang))的(de)變(bian)化達到(dao)規定要(yao)求時,在(zai)電(dian)(dian)(dian)氣輸出電(dian)(dian)(dian)路中(zhong)使(shi)被控(kong)(kong)量(liang)發(fa)生預定的(de)階躍(yue)變(bian)化的(de)一種電(dian)(dian)(dian)器(qi)。固(gu)態繼電(dian)(dian)(dian)器(qi)體(ti)積(ji)小、重量(liang)輕、可靠性(xing)相對較高,無觸點,無火花(或電(dian)(dian)(dian)弧),無機(ji)械(xie)動作,品種繁(fan)多,尤其適用于(yu)電(dian)(dian)(dian)子自動控(kong)(kong)制(zhi)。那(nei)么,固(gu)態繼電(dian)(dian)(dian)器(qi)與普通繼電(dian)(dian)(dian)器(qi)區別是(shi)什么?下面來(lai)看(kan)看(kan)固(gu)態繼電(dian)(dian)(dian)器(qi)特點和(he)如(ru)何使(shi)用吧!
普通繼電器
繼(ji)電器(qi)(英文名稱:relay)是一種電(dian)(dian)(dian)(dian)(dian)控(kong)制(zhi)器件,是當輸入(ru)量(liang)(激勵量(liang))的變化達到規(gui)定(ding)要求時(shi),在電(dian)(dian)(dian)(dian)(dian)氣輸出(chu)電(dian)(dian)(dian)(dian)(dian)路(lu)中(zhong)使被(bei)控(kong)量(liang)發生預定(ding)的階躍變化的一種電(dian)(dian)(dian)(dian)(dian)器。它具有(you)控(kong)制(zhi)系統(又稱輸入(ru)回路(lu))和被(bei)控(kong)制(zhi)系統(又稱輸出(chu)回路(lu))之間(jian)的互動(dong)關系。通常應用(yong)于自動(dong)化的控(kong)制(zhi)電(dian)(dian)(dian)(dian)(dian)路(lu)中(zhong),它實際上是用(yong)小電(dian)(dian)(dian)(dian)(dian)流(liu)去控(kong)制(zhi)大電(dian)(dian)(dian)(dian)(dian)流(liu)運作(zuo)的一種“自動(dong)開關”。故在電(dian)(dian)(dian)(dian)(dian)路(lu)中(zhong)起著自動(dong)調節、安(an)全保護、轉換(huan)電(dian)(dian)(dian)(dian)(dian)路(lu)等作(zuo)用(yong)。
固態繼電器
固態繼電(dian)器(SOLIDSTATERELAYS,以下簡寫成“SSR”),是(shi)一(yi)種全部由固態電(dian)子元件(jian)組成的新型(xing)無觸點開關器件(jian),它利用(yong)電(dian)子元件(jian)(如開關三(san)極管、雙(shuang)向可控硅(gui)等半導體器件)的(de)開關特性(xing),可(ke)達到(dao)無(wu)觸點(dian)無(wu)火花地接通和(he)斷開電路的(de)目的(de),因此又被稱為“無(wu)觸點(dian)開關”。固(gu)態繼電器是一種四端(duan)(duan)有(you)源器件,其(qi)中兩(liang)個端(duan)(duan)子為輸入(ru)控制端(duan)(duan),另外兩(liang)端(duan)(duan)為輸出受控端(duan)(duan).它既有(you)放大驅動作用,又有(you)隔(ge)離作用,很適(shi)合驅動大功率開關(guan)式執行機構,較之電(dian)磁繼電(dian)器可靠(kao)性更高,且(qie)無觸點、壽命長、速度快,對外(wai)界的(de)干擾也小,已被得(de)到廣(guang)泛應用。
固態繼電器如何使用?
“固態繼(ji)電(dian)器(qi)(qi)”一類(lei)具(ju)有類(lei)似(!)傳統意義上的‘繼(ji)電(dian)器(qi)(qi)’功能的純電(dian)子電(dian)路,這種電(dian)路可(ke)以有多(duo)種不同的半導體光(guang)電(dian)器(qi)(qi)件、發光(guang)器(qi)(qi)件,可(ke)控(kong)(kong)硅器(qi)(qi)件和半導體二極(ji)(ji)管、三極(ji)(ji)管及其(qi)組合電(dian)路組合而成,選用(yong)時一定(ding)要(yao)(yao)按實際用(yong)途作(zuo)精細的對(dui)比(bi)選擇。它體積(ji)小、重量輕、可(ke)靠(kao)性相對(dui)較高,無觸(chu)點,無火花(或電(dian)弧),無機(ji)械(xie)動作(zuo),品種繁多(duo),尤其(qi)適用(yong)于(yu)電(dian)子自動控(kong)(kong)制;但它的斷(duan)開態并(bing)非理想的斷(duan)開、有或小或大的斷(duan)開態電(dian)流,過載能力較低,控(kong)(kong)制與(yu)被控(kong)(kong)的隔離度(或耦合度)要(yao)(yao)于(yu)考慮(lv)和關注(zhu),有些使(shi)用(yong)場(chang)合要(yao)(yao)與(yu)傳統繼(ji)電(dian)器(qi)(qi)比(bi)較成本得(de)失。
具體(ti)的(de)使(shi)(shi)用方法(fa)與你選用的(de)品種(zhong)、類型有(you)(you)關,詳述困難。建議多找資(zi)料細看,比較對照,逐步熟悉使(shi)(shi)用。有(you)(you)具體(ti)問(wen)題再討論。
固態繼電器和普通繼電器有什么區別?
傳統繼電(dian)器(qi)與固態繼電(dian)器(qi)的對比(bi),由于涉(she)及種類較(jiao)多,下面以電(dian)磁(ci)繼電(dian)器(qi)與相(xiang)應固態繼電(dian)器(qi)比(bi)較(jiao)說明它(ta)們的區別:
1、結(jie)構區別:電磁繼電器利(li)用(yong)(yong)輸入電路(lu)內電路(lu)在(zai)電磁鐵鐵芯與銜(xian)鐵間產生的吸(xi)力作用(yong)(yong)而工(gong)作的;固(gu)體繼電器用(yong)(yong)電子元件履行(xing)其功(gong)能而無機械(xie)運(yun)動構件,輸入和輸出(chu)是隔(ge)離的。
2、工作方(fang)式區別:電(dian)磁繼電(dian)器是利用(yong)(yong)電(dian)磁感應的原理,通(tong)過電(dian)磁鐵的力量來(lai)(lai)控制電(dian)路通(tong)斷(duan),因此,用(yong)(yong)直流(liu)電(dian)接線(xian)圈,觸點可以通(tong)交、直流(liu)電(dian);固態繼電(dian)器依靠半導體器件和電(dian)子元件的電(dian)、磁和光(guang)特性來(lai)(lai)完成其隔離和繼電(dian)切換功能,因此,分直流(liu)輸入-交流輸(shu)出型、直流輸(shu)入(ru)-支流(liu)輸出型(xing)、交流(liu)輸入(ru)-交(jiao)流輸出型(xing)、交(jiao)流輸入-直流(liu)輸出型(xing)。
3、工作狀態區別(bie):電(dian)(dian)磁繼電(dian)(dian)器利用(yong)銜鐵間(jian)產生的吸力作用(yong),通(tong)、斷電(dian)(dian)路,因(yin)此(ci),動作反應(ying)慢、有噪聲、壽(shou)命有限(xian);固(gu)態繼電(dian)(dian)器響應(ying)快,運行無噪音(yin),壽(shou)命長。
4、使(shi)用環境:溫度、濕度、大氣(qi)壓力(海拔(ba)高(gao)度)、砂塵污染、化(hua)學(xue)氣體和電(dian)(dian)磁干擾等要素影響(xiang)中,電(dian)(dian)磁繼(ji)電(dian)(dian)器普(pu)遍(bian)不(bu)如固態(tai)繼(ji)電(dian)(dian)器。
5、電氣性能區別:電磁繼電器與相應固態繼電器比較,前者驅動簡單,但功耗大,隔離好,短時過載耐受性好,控制大電流、大功率場合不如后者,控制動作瀕繁的電路時,壽命不如后者長。