空調壓力傳(chuan)感器壓力傳(chuan)感器是一種能將檢測(ce)到(dao)的壓力信號轉換(huan)成電子信號,由(you)電腦板芯片(pian)進(jin)行(xing)微處理,根據(ju)壓力檢測(ce)的結果對空調機的零部件進(jin)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)(kong)調(diao)壓(ya)(ya)(ya)力(li)(li)傳(chuan)感(gan)器(qi)(qi)是自動(dong)空(kong)(kong)(kong)(kong)調(diao)控(kong)(kong)制(zhi)(zhi)(zhi)系統(tong)的(de)一個傳(chuan)感(gan)器(qi)(qi)元(yuan)件,其(qi)作用(yong)是防止制(zhi)(zhi)(zhi)冷(leng)系統(tong)在極(ji)限制(zhi)(zhi)(zhi)冷(leng)劑(ji)管(guan)(guan)路(lu)壓(ya)(ya)(ya)力(li)(li)下工(gong)作,并幫助控(kong)(kong)制(zhi)(zhi)(zhi)發動(dong)機(ji)冷(leng)卻風扇的(de)轉(zhuan)速。 壓(ya)(ya)(ya)力(li)(li)傳(chuan)感(gan)器(qi)(qi)安裝在發動(dong)機(ji)艙內空(kong)(kong)(kong)(kong)調(diao)高(gao)壓(ya)(ya)(ya)管(guan)(guan)路(lu)上。該(gai)傳(chuan)感(gan)器(qi)(qi)向發動(dong)機(ji)ECM或空(kong)(kong)(kong)(kong)調(diao)控(kong)(kong)制(zhi)(zhi)(zhi)單元(yuan)輸(shu)出壓(ya)(ya)(ya)力(li)(li)信號,當檢(jian)測(ce)到(dao)(dao)空(kong)(kong)(kong)(kong)調(diao)制(zhi)(zhi)(zhi)冷(leng)管(guan)(guan)路(lu)壓(ya)(ya)(ya)力(li)(li)過低或過高(gao)時(shi),控(kong)(kong)制(zhi)(zhi)(zhi)系統(tong)停止對空(kong)(kong)(kong)(kong)調(diao)壓(ya)(ya)(ya)縮(suo)機(ji)離合(he)器(qi)(qi)供(gong)電(dian),壓(ya)(ya)(ya)縮(suo)機(ji)停止運(yun)轉(zhuan),以免對空(kong)(kong)(kong)(kong)調(diao)系統(tong)造成損壞。當制(zhi)(zhi)(zhi)冷(leng)劑(ji)壓(ya)(ya)(ya)力(li)(li)達到(dao)(dao)一中等壓(ya)(ya)(ya)力(li)(li)值(zhi)時(shi),散(san)熱器(qi)(qi)風扇高(gao)速運(yun)轉(zhuan),降低空(kong)(kong)(kong)(kong)調(diao)制(zhi)(zhi)(zhi)冷(leng)劑(ji)壓(ya)(ya)(ya)力(li)(li)。
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