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空調壓力(li)傳(chuan)感器壓力(li)傳(chuan)感器是一(yi)種能將檢測到的壓力(li)信號轉換成電(dian)子信號，由(you)電(dian)腦(nao)板(ban)芯片進(jin)行(xing)微(wei)處理，根據壓力(li)檢測的結果對(dui)空調機的零部件(jian)進(jin)行(xing)精(jing)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)調(diao)(diao)(diao)壓(ya)(ya)(ya)力(li)傳(chuan)感器是自(zi)動(dong)空(kong)調(diao)(diao)(diao)控(kong)制(zhi)(zhi)系(xi)統(tong)(tong)的(de)一個傳(chuan)感器元件，其作(zuo)(zuo)用是防止(zhi)制(zhi)(zhi)冷(leng)系(xi)統(tong)(tong)在極限制(zhi)(zhi)冷(leng)劑管(guan)路(lu)壓(ya)(ya)(ya)力(li)下(xia)工作(zuo)(zuo)，并幫(bang)助控(kong)制(zhi)(zhi)發(fa)動(dong)機(ji)(ji)冷(leng)卻風扇的(de)轉(zhuan)速(su)。 壓(ya)(ya)(ya)力(li)傳(chuan)感器安裝在發(fa)動(dong)機(ji)(ji)艙內空(kong)調(diao)(diao)(diao)高(gao)壓(ya)(ya)(ya)管(guan)路(lu)上(shang)。該傳(chuan)感器向發(fa)動(dong)機(ji)(ji)ECM或空(kong)調(diao)(diao)(diao)控(kong)制(zhi)(zhi)單元輸出壓(ya)(ya)(ya)力(li)信號，當(dang)檢測(ce)到空(kong)調(diao)(diao)(diao)制(zhi)(zhi)冷(leng)管(guan)路(lu)壓(ya)(ya)(ya)力(li)過低或過高(gao)時，控(kong)制(zhi)(zhi)系(xi)統(tong)(tong)停止(zhi)對空(kong)調(diao)(diao)(diao)壓(ya)(ya)(ya)縮(suo)機(ji)(ji)離合器供電，壓(ya)(ya)(ya)縮(suo)機(ji)(ji)停止(zhi)運(yun)轉(zhuan)，以(yi)免對空(kong)調(diao)(diao)(diao)系(xi)統(tong)(tong)造成(cheng)損壞。當(dang)制(zhi)(zhi)冷(leng)劑壓(ya)(ya)(ya)力(li)達到一中(zhong)等壓(ya)(ya)(ya)力(li)值(zhi)時，散熱器風扇高(gao)速(su)運(yun)轉(zhuan)，降(jiang)低空(kong)調(diao)(diao)(diao)制(zhi)(zhi)冷(leng)劑壓(ya)(ya)(ya)力(li)。
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