空調(diao)壓(ya)(ya)力傳感器壓(ya)(ya)力傳感器是一種能(neng)將(jiang)檢測到的壓(ya)(ya)力信(xin)號(hao)轉換成電(dian)子(zi)信(xin)號(hao),由電(dian)腦(nao)板芯片進行(xing)微處理,根據壓(ya)(ya)力檢測的結(jie)果(guo)對空調(diao)機的零部(bu)件進行(xing)精細的控制。
1、工作原理
為兩種壓力傳感器的外觀,如今絕大多數壓力傳感器都是電容式壓力傳感器,它由兩個靠近的平行膜片和一個堅固的小巧殼體構成。空(kong)(kong)(kong)調(diao)壓(ya)(ya)(ya)力(li)傳(chuan)(chuan)感器(qi)是自動空(kong)(kong)(kong)調(diao)控(kong)(kong)制(zhi)(zhi)(zhi)系(xi)統的一(yi)個(ge)傳(chuan)(chuan)感器(qi)元(yuan)件,其作用是防止(zhi)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)系(xi)統在極(ji)限制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)劑管路(lu)壓(ya)(ya)(ya)力(li)下(xia)工作,并幫(bang)助控(kong)(kong)制(zhi)(zhi)(zhi)發(fa)動機冷(leng)(leng)(leng)(leng)卻風扇(shan)的轉速(su)。 壓(ya)(ya)(ya)力(li)傳(chuan)(chuan)感器(qi)安裝在發(fa)動機艙內空(kong)(kong)(kong)調(diao)高(gao)(gao)(gao)壓(ya)(ya)(ya)管路(lu)上。該傳(chuan)(chuan)感器(qi)向發(fa)動機ECM或空(kong)(kong)(kong)調(diao)控(kong)(kong)制(zhi)(zhi)(zhi)單元(yuan)輸(shu)出壓(ya)(ya)(ya)力(li)信號,當檢測到空(kong)(kong)(kong)調(diao)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)管路(lu)壓(ya)(ya)(ya)力(li)過低(di)或過高(gao)(gao)(gao)時,控(kong)(kong)制(zhi)(zhi)(zhi)系(xi)統停止(zhi)對(dui)空(kong)(kong)(kong)調(diao)壓(ya)(ya)(ya)縮(suo)機離(li)合器(qi)供(gong)電(dian),壓(ya)(ya)(ya)縮(suo)機停止(zhi)運轉,以免對(dui)空(kong)(kong)(kong)調(diao)系(xi)統造成損壞。當制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)劑壓(ya)(ya)(ya)力(li)達到一(yi)中等(deng)壓(ya)(ya)(ya)力(li)值時,散(san)熱器(qi)風扇(shan)高(gao)(gao)(gao)速(su)運轉,降低(di)空(kong)(kong)(kong)調(diao)制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)(leng)劑壓(ya)(ya)(ya)力(li)。
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