*BOSCH-REXROTH力士(shi)樂繼電器(qi)壹般由鐵芯(xin)、線圈、銜(xian)鐵、觸點(dian)簧片等(deng)組(zu)成(cheng)的(de)。只(zhi)要(yao)在線圈兩端加(jia)上(shang)壹(yi)定的電壓,線圈中就會流過壹定(ding)的電(dian)流(liu),從而(er)產(chǎn)生(sheng)電磁(ci)效應(yīng)(ying),銜(xian)鐵就會在電磁力吸(xi)引的作(zuo)用(yong)下(xia)克服返(fan)回彈(dan)簧(huang)的(de)拉力(li)吸(xi)向(xiang)鐵芯(xin),從而(er)帶(dai)動(dong)銜(xian)鐵的動(dong)觸點(dian)與靜(jing)觸點(dian)(常開(kai)觸點(dian))吸合。當(dāng)(dang)線圈斷電後(hou),電磁(ci)的吸(xi)力也隨(sui)之消(xiao)失(shi),銜(xian)鐵就會在彈(dan)簧(huang)的(de)反(fan)作(zuo)用(yong)力(li)返(fan)回原來的位(wei)置,使(shi)動(dong)觸點(dian)與原(yuan)來(lai)的靜(jing)觸點(dian)(常閉(bi)觸點(dian))釋(shi)放。這樣(yang)吸(xi)合(he)、釋(shi)放,從而(er)達到
rexroth力士(shi)樂壓力繼電器(qi)是利(li)用(yong)液體(ti)的(de)壓力來啟閉(bi)電(dian)氣(qi)觸點(dian)的液壓電氣轉(zhuǎn)(zhuan)換(huan)元件。當(dāng)(dang)系統(tǒng)(tong)壓力達到壓力繼電器(qi)的調(diào)(tiao)定值時,發(fā)(fa)出(chu)電(dian)信(xin)號(hao),使(shi)電(dian)氣元件(如(ru)電(dian)磁鐵、電機、時間繼電器(qi)、電磁(ci)離合器(qi)等(deng))動(dong)作(zuo),使(shi)油(you)路卸(xie)壓、換(huan)向(xiang),執(zhí)(zhi)行元件實(shi)現(xiàn)(xian)順序(xu)動(dong)作(zuo),或(huo)關(guān)閉電(dian)動(dong)機(ji)使(shi)系(xi)統(tǒng)(tong)停(ting)止工作(zuo),起(qi)安全(quan)保護作(zuo)用(yong)等(deng)。
現(xiàn)(xian)貨(huo)REXROTH力(li)士(shi)樂繼電器(qi)壹般由鐵芯(xin)、線圈、銜(xian)鐵、觸點(dian)簧片等(deng)組(zu)成(cheng)的(de)。只(zhi)要(yao)在線圈兩端加(jia)上(shang)壹(yi)定的電壓,線圈中就會流過壹定(ding)的電(dian)流(liu),從而(er)產(chǎn)生(sheng)電磁(ci)效應(yīng)(ying),銜(xian)鐵就會在電磁力吸(xi)引的作(zuo)用(yong)下(xia)克服返(fan)回彈(dan)簧(huang)的(de)拉力(li)吸(xi)向(xiang)鐵芯(xin),從而(er)帶(dai)動(dong)銜(xian)鐵的動(dong)觸點(dian)與靜(jing)觸點(dian)(常開(kai)觸點(dian))吸合。