空調壓(ya)(ya)力傳感器壓(ya)(ya)力傳感器是一種能將檢測到的壓(ya)(ya)力信號(hao)轉換(huan)成電(dian)子信號(hao),由電(dian)腦板芯(xin)片進行微處理,根據壓(ya)(ya)力檢測的結果對(dui)空調機的零部件(jian)進行精細的控(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)調壓(ya)(ya)(ya)力(li)(li)(li)傳(chuan)感器是(shi)自動空(kong)(kong)調控制(zhi)(zhi)系統(tong)的一個傳(chuan)感器元件(jian),其作(zuo)(zuo)用是(shi)防(fang)止(zhi)(zhi)制(zhi)(zhi)冷(leng)(leng)系統(tong)在極限(xian)制(zhi)(zhi)冷(leng)(leng)劑管路壓(ya)(ya)(ya)力(li)(li)(li)下工作(zuo)(zuo),并(bing)幫(bang)助控制(zhi)(zhi)發(fa)動機冷(leng)(leng)卻風(feng)扇的轉速。 壓(ya)(ya)(ya)力(li)(li)(li)傳(chuan)感器安裝(zhuang)在發(fa)動機艙(cang)內空(kong)(kong)調高(gao)(gao)壓(ya)(ya)(ya)管路上(shang)。該傳(chuan)感器向(xiang)發(fa)動機ECM或空(kong)(kong)調控制(zhi)(zhi)單元輸出壓(ya)(ya)(ya)力(li)(li)(li)信(xin)號,當檢測到空(kong)(kong)調制(zhi)(zhi)冷(leng)(leng)管路壓(ya)(ya)(ya)力(li)(li)(li)過(guo)低或過(guo)高(gao)(gao)時,控制(zhi)(zhi)系統(tong)停止(zhi)(zhi)對空(kong)(kong)調壓(ya)(ya)(ya)縮(suo)機離合器供電,壓(ya)(ya)(ya)縮(suo)機停止(zhi)(zhi)運轉,以免對空(kong)(kong)調系統(tong)造(zao)成損壞。當制(zhi)(zhi)冷(leng)(leng)劑壓(ya)(ya)(ya)力(li)(li)(li)達到一中等壓(ya)(ya)(ya)力(li)(li)(li)值時,散(san)熱器風(feng)扇高(gao)(gao)速運轉,降低空(kong)(kong)調制(zhi)(zhi)冷(leng)(leng)劑壓(ya)(ya)(ya)力(li)(li)(li)。
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