空(kong)(kong)調壓(ya)力傳(chuan)感器壓(ya)力傳(chuan)感器是一種能將檢(jian)(jian)測到的(de)壓(ya)力信(xin)(xin)號轉(zhuan)換(huan)成(cheng)電子信(xin)(xin)號,由電腦板芯(xin)片進(jin)(jin)行微處理,根據壓(ya)力檢(jian)(jian)測的(de)結果對(dui)空(kong)(kong)調機的(de)零部件進(jin)(jin)行精細的(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)調壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)傳(chuan)感器是自(zi)動空(kong)(kong)調控(kong)制(zhi)系(xi)統(tong)的一(yi)個傳(chuan)感器元(yuan)件,其作用是防(fang)止(zhi)制(zhi)冷(leng)系(xi)統(tong)在(zai)極限制(zhi)冷(leng)劑管(guan)路壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)下工(gong)作,并幫助控(kong)制(zhi)發動機冷(leng)卻風(feng)扇的轉速。 壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)傳(chuan)感器安裝(zhuang)在(zai)發動機艙內空(kong)(kong)調高壓(ya)(ya)(ya)(ya)(ya)(ya)管(guan)路上。該傳(chuan)感器向(xiang)發動機ECM或(huo)空(kong)(kong)調控(kong)制(zhi)單元(yuan)輸出壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)信號,當檢測到(dao)空(kong)(kong)調制(zhi)冷(leng)管(guan)路壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)過(guo)低或(huo)過(guo)高時,控(kong)制(zhi)系(xi)統(tong)停止(zhi)對空(kong)(kong)調壓(ya)(ya)(ya)(ya)(ya)(ya)縮(suo)機離(li)合器供電,壓(ya)(ya)(ya)(ya)(ya)(ya)縮(suo)機停止(zhi)運(yun)轉,以免對空(kong)(kong)調系(xi)統(tong)造成損壞。當制(zhi)冷(leng)劑壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)達到(dao)一(yi)中等壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)值(zhi)時,散熱器風(feng)扇高速運(yun)轉,降低空(kong)(kong)調制(zhi)冷(leng)劑壓(ya)(ya)(ya)(ya)(ya)(ya)力(li)(li)。
時隔6年,2屆奧運會,3屆北京車展,終于(yu)等(deng)來了北京吉(ji)普BJ40,是一款國產ORV越(yue)野車(che)在2008年北京車(che)展上,還(huan)被稱(cheng)之(zhi)為“北汽B40”概念車正(zheng)式亮相。
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