空調(diao)壓(ya)力(li)傳感(gan)器壓(ya)力(li)傳感(gan)器是一種能將檢(jian)測(ce)到的(de)(de)壓(ya)力(li)信號(hao)轉(zhuan)換(huan)成電(dian)子信號(hao),由電(dian)腦(nao)板(ban)芯(xin)片進行微處理,根據壓(ya)力(li)檢(jian)測(ce)的(de)(de)結果(guo)對空調(diao)機的(de)(de)零部件進行精細的(de)(de)控(kong)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)(kong)調(diao)(diao)壓(ya)(ya)(ya)(ya)力(li)傳感(gan)器(qi)是自動(dong)(dong)空(kong)(kong)(kong)(kong)調(diao)(diao)控(kong)制(zhi)(zhi)(zhi)系(xi)(xi)統(tong)(tong)的一個傳感(gan)器(qi)元件,其(qi)作用(yong)是防止(zhi)制(zhi)(zhi)(zhi)冷系(xi)(xi)統(tong)(tong)在極限制(zhi)(zhi)(zhi)冷劑(ji)管(guan)路壓(ya)(ya)(ya)(ya)力(li)下工(gong)作,并幫助控(kong)制(zhi)(zhi)(zhi)發(fa)(fa)動(dong)(dong)機(ji)冷卻風扇的轉速(su)。 壓(ya)(ya)(ya)(ya)力(li)傳感(gan)器(qi)安裝在發(fa)(fa)動(dong)(dong)機(ji)艙內(nei)空(kong)(kong)(kong)(kong)調(diao)(diao)高(gao)(gao)壓(ya)(ya)(ya)(ya)管(guan)路上。該傳感(gan)器(qi)向發(fa)(fa)動(dong)(dong)機(ji)ECM或空(kong)(kong)(kong)(kong)調(diao)(diao)控(kong)制(zhi)(zhi)(zhi)單元輸出壓(ya)(ya)(ya)(ya)力(li)信號,當檢(jian)測到空(kong)(kong)(kong)(kong)調(diao)(diao)制(zhi)(zhi)(zhi)冷管(guan)路壓(ya)(ya)(ya)(ya)力(li)過低或過高(gao)(gao)時(shi),控(kong)制(zhi)(zhi)(zhi)系(xi)(xi)統(tong)(tong)停止(zhi)對空(kong)(kong)(kong)(kong)調(diao)(diao)壓(ya)(ya)(ya)(ya)縮機(ji)離合器(qi)供電,壓(ya)(ya)(ya)(ya)縮機(ji)停止(zhi)運(yun)轉,以免對空(kong)(kong)(kong)(kong)調(diao)(diao)系(xi)(xi)統(tong)(tong)造成損(sun)壞。當制(zhi)(zhi)(zhi)冷劑(ji)壓(ya)(ya)(ya)(ya)力(li)達到一中等(deng)壓(ya)(ya)(ya)(ya)力(li)值時(shi),散熱器(qi)風扇高(gao)(gao)速(su)運(yun)轉,降低空(kong)(kong)(kong)(kong)調(diao)(diao)制(zhi)(zhi)(zhi)冷劑(ji)壓(ya)(ya)(ya)(ya)力(li)。
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