搭鐵線:發(fa)動機搭鐵線的作(zuo)用是(shi)屏(ping)(ping)蔽,它主要是(shi)對噴(pen)油嘴和點火線圈(quan)等產生的高(gao)壓(ya)電磁干擾起到(dao)一定(ding)的屏(ping)(ping)蔽作(zuo)用,以此保(bao)證發(fa)動機的正常工作(zuo)。
汽(qi)車(che)搭鐵線類(lei)型及(ji)作用有:
(1)主(zhu)搭(da)(da)(da)(da)(da)鐵(tie)(tie)(tie)線(xian)(xian)(xian)(xian)般指(zhi)蓄電(dian)(dian)池負極(ji)搭(da)(da)(da)(da)(da)鐵(tie)(tie)(tie)線(xian)(xian)(xian)(xian)、發(fa)動機(ji)與車身連接(jie)搭(da)(da)(da)(da)(da)鐵(tie)(tie)(tie)線(xian)(xian)(xian)(xian)及主(zhu)線(xian)(xian)(xian)(xian)路(lu)(lu)(lu)搭(da)(da)(da)(da)(da)鐵(tie)(tie)(tie)體線(xian)(xian)(xian)(xian)汽(qi)車電(dian)(dian)路(lu)(lu)(lu)并聯了(le)大量(liang)用(yong)電(dian)(dian)設備(bei)均靠些搭(da)(da)(da)(da)(da)鐵(tie)(tie)(tie)線(xian)(xian)(xian)(xian)來傳遞電(dian)(dian)流了(le)保證汽(qi)車電(dian)(dian)器(qi)有效運行(xing)主(zhu)搭(da)(da)(da)(da)(da)鐵(tie)(tie)(tie)線(xian)(xian)(xian)(xian)線(xian)(xian)(xian)(xian)徑(jing)般較粗并搭(da)(da)(da)(da)(da)鐵(tie)(tie)(tie)線(xian)(xian)(xian)(xian)兩(liang)端還使用(yong)了(le)特殊形狀搭(da)(da)(da)(da)(da)鐵(tie)(tie)(tie)連接(jie)端子(zi)、墊片和禁固(gu)螺釘對部件線(xian)(xian)(xian)(xian)路(lu)(lu)(lu)也給予了(le)特殊考(kao)慮主(zhu)搭(da)(da)(da)(da)(da)鐵(tie)(tie)(tie)線(xian)(xian)(xian)(xian)出(chu)現故(gu)障影響(xiang)多線(xian)(xian)(xian)(xian)路(lu)(lu)(lu)因此維修人員診斷故(gu)障時必(bi)須考(kao)慮主(zhu)搭(da)(da)(da)(da)(da)鐵(tie)(tie)(tie)線(xian)(xian)(xian)(xian)故(gu)障免必(bi)要地更(geng)換元器(qi)件。
(2)備用搭(da)鐵線指已經有(you)了(le)主(zhu)搭(da)鐵線同電路第二條甚至第三條搭(da)鐵線改善某些有(you)復雜電子設備部件搭(da)鐵狀況雖主(zhu)搭(da)鐵線能勉強工作電路性能會退化或者穩定(ding)。
(3)防靜電電搭鐵
汽車線路系統一般采用單線式,在搭鐵線時,最好按照如下幾點:
1、車內電器一般只連接正極,而負極都連接在車身上。蓄電池負極搭鐵線、發動機與車身連接搭鐵線及主線路搭鐵體線汽車電路并聯了大量用電設備均靠些搭鐵線來傳遞,電流保證汽車電器有效運行。
2、主搭鐵線線徑般較粗并搭鐵線兩端還使用了特殊形狀搭鐵連接端子、墊片和禁固螺釘對部件線路也給予了特殊考慮。
3、零件工作之間要有閉合回路。線回流線回到電瓶負極,形成一個循環,使電器產生各種各樣動作和功用,汽車上大多數線都來自帶電源,各種用電執行機構的回線不都是直接到電瓶負極,而是通過汽車本身的金屬機體間接地回到電瓶負極。
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