KCSP-CR防爆斷鏈保護開關

 是專門針對埋刮(gua)板輸(shu)送(song)(song)機和斗式提升(sheng)機而開發設(she)計(ji)的，也(ye)可用于帶式輸(shu)送(song)(song)機、鏈式輸(shu)送(song)(song)機等具有(you)從動軸的輸(shu)送(song)(song)設(she)備上(shang)。

斷鏈保護(hu)(hu)器(qi)(qi)(qi)(qi)(qi)(qi)主要由速(su)(su)度(du)(du)(du)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)(qi)(qi)和信(xin)號(hao)(hao)處(chu)理(li)器(qi)(qi)(qi)(qi)(qi)(qi)組成(cheng)。速(su)(su)度(du)(du)(du)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)(qi)(qi)為一(yi)電(dian)磁感(gan)應式脈沖(chong)(chong)(chong)信(xin)號(hao)(hao)發生器(qi)(qi)(qi)(qi)(qi)(qi)。速(su)(su)度(du)(du)(du)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)(qi)(qi)安(an)裝(zhuang)(zhuang)于(yu)(yu)(yu)輸送機從(cong)(cong)(cong)動(dong)軸(zhou)上，隨從(cong)(cong)(cong)動(dong)軸(zhou)一(yi)起(qi)旋(xuan)轉，將從(cong)(cong)(cong)動(dong)軸(zhou)的(de)旋(xuan)轉速(su)(su)度(du)(du)(du)信(xin)號(hao)(hao)變換成(cheng)脈沖(chong)(chong)(chong)信(xin)號(hao)(hao)，脈沖(chong)(chong)(chong)信(xin)號(hao)(hao)的(de)頻(pin)率(lv)(lv)與從(cong)(cong)(cong)動(dong)軸(zhou)的(de)轉速(su)(su)成(cheng)正比(bi)。信(xin)號(hao)(hao)處(chu)理(li)器(qi)(qi)(qi)(qi)(qi)(qi)脈沖(chong)(chong)(chong)頻(pin)率(lv)(lv)，安(an)裝(zhuang)(zhuang)于(yu)(yu)(yu)就地電(dian)控箱或集控室內。信(xin)號(hao)(hao)處(chu)理(li)器(qi)(qi)(qi)(qi)(qi)(qi)接(jie)收(shou)速(su)(su)度(du)(du)(du)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)(qi)(qi)的(de)信(xin)號(hao)(hao)，并(bing)檢測脈沖(chong)(chong)(chong)信(xin)號(hao)(hao)的(de)頻(pin)率(lv)(lv)，當脈沖(chong)(chong)(chong)信(xin)號(hao)(hao)頻(pin)率(lv)(lv)低(di)于(yu)(yu)(yu)設(she)定值(zhi)時，信(xin)號(hao)(hao)處(chu)理(li)器(qi)(qi)(qi)(qi)(qi)(qi)動(dong)作，輸出一(yi)開關信(xin)號(hao)(hao)，用(yong)于(yu)(yu)(yu)控制(zhi)驅動(dong)電(dian)機停(ting)止(zhi)運行，從(cong)(cong)(cong)而保護(hu)(hu)設(she)備。信(xin)號(hao)(hao)處(chu)理(li)器(qi)(qi)(qi)(qi)(qi)(qi)動(dong)作后(hou)會自(zi)鎖，此時即使(shi)速(su)(su)度(du)(du)(du)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)(qi)(qi)(qi)有(you)正常脈沖(chong)(chong)(chong)信(xin)號(hao)(hao)輸入，信(xin)號(hao)(hao)處(chu)理(li)器(qi)(qi)(qi)(qi)(qi)(qi)也處(chu)于(yu)(yu)(yu)警市保護(hu)(hu)狀(zhuang)態，切斷處(chu)理(li)器(qi)(qi)(qi)(qi)(qi)(qi)電(dian)源(yuan)，讓信(xin)號(hao)(hao)處(chu)理(li)器(qi)(qi)(qi)(qi)(qi)(qi)復(fu)位。

使(shi)用環境和主要技術指標(biao)環境溫度(du)：-20℃~40℃相對(dui)濕度(du)：≤90（25℃時）周圍介(jie)質：無易燃(ran)易爆、無腐蝕性介(jie)質的場所。

 工(gong)作制：24 小時工(gong)作制電源：單(dan)相 220V、50HZ。

 輸出接(jie)口：無源接(jie)點、AC220V/ 

工作原(yuan)理：

 輸送(song)機(ji)(ji)正常工(gong)作(zuo)時(shi)，其從(cong)(cong)動(dong)(dong)軸(zhou)隨(sui)主動(dong)(dong)軸(zhou)一(yi)(yi)同(tong)旋轉，從(cong)(cong)動(dong)(dong)軸(zhou)保(bao)持某一(yi)(yi)轉速，當(dang)斷(duan)鏈(lian)、斷(duan)帶、打(da)滑等故(gu)障(zhang)發生時(shi)，其從(cong)(cong)動(dong)(dong)軸(zhou)轉速大輻下降甚至為零。斷(duan)鏈(lian)保(bao)護(hu)器(qi)監(jian)測從(cong)(cong)動(dong)(dong)軸(zhou)轉速，當(dang)從(cong)(cong)動(dong)(dong)軸(zhou)轉速低于(yu)設(she)定(ding)值（從(cong)(cong)動(dong)(dong)軸(zhou)正常轉速的 40、50、60、70）時(shi)，保(bao)護(hu)器(qi)動(dong)(dong)作(zuo)，輸出一(yi)(yi)開關(guan)信號(hao)，用于(yu)控制驅動(dong)(dong)電(dian)機(ji)(ji)停止運行，從(cong)(cong)而(er)保(bao)護(hu)設(she)備。并發出聲光警市，提(ti)示(shi)操作(zuo)人員處理故(gu)障(zhang)。

KCSP-CR防爆斷鏈保護開關