空(kong)調壓(ya)力(li)傳感(gan)器壓(ya)力(li)傳感(gan)器是一種能將檢測到的(de)壓(ya)力(li)信(xin)號轉換成電(dian)子(zi)信(xin)號,由電(dian)腦板(ban)芯片進行微處(chu)理,根(gen)據壓(ya)力(li)檢測的(de)結果對空(kong)調機(ji)的(de)零部件進行精細(xi)的(de)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)調壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)傳感(gan)(gan)器(qi)是(shi)自(zi)動(dong)空(kong)(kong)調控制(zhi)(zhi)(zhi)(zhi)系(xi)(xi)統的(de)一(yi)個傳感(gan)(gan)器(qi)元(yuan)件,其作用是(shi)防止制(zhi)(zhi)(zhi)(zhi)冷(leng)系(xi)(xi)統在極限制(zhi)(zhi)(zhi)(zhi)冷(leng)劑(ji)(ji)管(guan)路(lu)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)下工(gong)作,并(bing)幫助(zhu)控制(zhi)(zhi)(zhi)(zhi)發(fa)動(dong)機(ji)冷(leng)卻風扇的(de)轉速(su)。 壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)傳感(gan)(gan)器(qi)安裝在發(fa)動(dong)機(ji)艙內空(kong)(kong)調高壓(ya)(ya)(ya)(ya)(ya)管(guan)路(lu)上。該傳感(gan)(gan)器(qi)向發(fa)動(dong)機(ji)ECM或空(kong)(kong)調控制(zhi)(zhi)(zhi)(zhi)單元(yuan)輸出(chu)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)信號,當檢(jian)測到空(kong)(kong)調制(zhi)(zhi)(zhi)(zhi)冷(leng)管(guan)路(lu)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)過低(di)或過高時,控制(zhi)(zhi)(zhi)(zhi)系(xi)(xi)統停止對(dui)空(kong)(kong)調壓(ya)(ya)(ya)(ya)(ya)縮機(ji)離合器(qi)供(gong)電,壓(ya)(ya)(ya)(ya)(ya)縮機(ji)停止運轉,以免(mian)對(dui)空(kong)(kong)調系(xi)(xi)統造成(cheng)損壞。當制(zhi)(zhi)(zhi)(zhi)冷(leng)劑(ji)(ji)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)達到一(yi)中(zhong)等壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)值時,散熱器(qi)風扇高速(su)運轉,降低(di)空(kong)(kong)調制(zhi)(zhi)(zhi)(zhi)冷(leng)劑(ji)(ji)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)(li)。
五十鈴皮卡
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