一、繼(ji)電(dian)器工(gong)作原(yuan)(yuan)理 電(dian)(dian)(dian)磁式繼(ji)(ji)(ji)電(dian)(dian)(dian)器一般由鐵(tie)芯(xin)(xin)、線(xian)圈(quan)(quan)、銜(xian)(xian)鐵(tie)、觸點(dian)(dian)(dian)(dian)簧(huang)片等組成的(de)。只要(yao)在線(xian)圈(quan)(quan)兩端加上一定(ding)的(de)電(dian)(dian)(dian)壓,線(xian)圈(quan)(quan)中(zhong)就會流(liu)過一定(ding)的(de)電(dian)(dian)(dian)流(liu),從而(er)(er)產生電(dian)(dian)(dian)磁效應,銜(xian)(xian)鐵(tie)就會在電(dian)(dian)(dian)磁力(li)吸(xi)(xi)(xi)引的(de)作用(yong)下克服返回彈簧(huang)的(de)拉(la)力(li)吸(xi)(xi)(xi)向鐵(tie)芯(xin)(xin),從而(er)(er)帶動銜(xian)(xian)鐵(tie)的(de)動觸點(dian)(dian)(dian)(dian)與靜(jing)觸點(dian)(dian)(dian)(dian)(常(chang)開(kai)觸點(dian)(dian)(dian)(dian))吸(xi)(xi)(xi)合。當線(xian)圈(quan)(quan)斷(duan)(duan)電(dian)(dian)(dian)后,電(dian)(dian)(dian)磁的(de)吸(xi)(xi)(xi)力(li)也隨之(zhi)消失,銜(xian)(xian)鐵(tie)就會在彈簧(huang)的(de)反作用(yong)力(li)返回原(yuan)(yuan)來的(de)位(wei)置,使動觸點(dian)(dian)(dian)(dian)與原(yuan)(yuan)來的(de)靜(jing)觸點(dian)(dian)(dian)(dian)(常(chang)閉(bi)觸點(dian)(dian)(dian)(dian))吸(xi)(xi)(xi)合。這樣吸(xi)(xi)(xi)合、釋(shi)放,從而(er)(er)達到了在電(dian)(dian)(dian)路中(zhong)的(de)導通、切斷(duan)(duan)的(de)目的(de)。對于(yu)繼(ji)(ji)(ji)電(dian)(dian)(dian)器的(de)“常(chang)開(kai)、常(chang)閉(bi)”觸點(dian)(dian)(dian)(dian),可以這樣來區分:繼(ji)(ji)(ji)電(dian)(dian)(dian)器線(xian)圈(quan)(quan)未通電(dian)(dian)(dian)時處于(yu)斷(duan)(duan)開(kai)狀態(tai)的(de)靜(jing)觸點(dian)(dian)(dian)(dian),稱(cheng)為(wei)“常(chang)開(kai)觸點(dian)(dian)(dian)(dian)”;處于(yu)接通狀態(tai)的(de)靜(jing)觸點(dian)(dian)(dian)(dian)稱(cheng)為(wei)“常(chang)閉(bi)觸點(dian)(dian)(dian)(dian)”。
二、繼電(dian)器接(jie)線圖

三(san)、繼電器的作用
1) 擴大(da)控制范(fan)圍(wei)。例(li)如,多觸點繼電器控制信號達到某一(yi)定值時,可以(yi)按觸點組的不同(tong)形式(shi),同(tong)時換接、開斷、接通多路電路。
2) 放大(da)。例如(ru),靈敏型繼(ji)電(dian)器、中間(jian)繼(ji)電(dian)器等,用一(yi)個很(hen)(hen)微小的控制量(liang),可以控制很(hen)(hen)大(da)功率的電(dian)路(lu)。
3) 綜(zong)合信號。例如,當多個控制(zhi)信號按規定的形式輸(shu)入多繞(rao)組繼電器時,經(jing)過比較(jiao)綜(zong)合,達(da)到預定的控制(zhi)效果。
4) 自動(dong)、遙控、監測。例(li)如,自動(dong)裝置上的繼電器與(yu)其他電器一(yi)起,可以組成程序控制線路,從而實現自動(dong)化運行(xing)。
以上就是(shi)有關(guan)繼(ji)電(dian)器(qi)工作原理和繼(ji)電(dian)器(qi)的作用方面(mian)的知(zhi)識,希(xi)望(wang)我們展示(shi)的繼(ji)電(dian)器(qi)接線(xian)圖(tu)能(neng)讓(rang)您對繼(ji)電(dian)器(qi)的使用有更深(shen)入的了解。
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