后視鏡是駕駛員坐在駕駛室座位上直接獲取汽車后方、側方和下方等外部信息的工具。為了駕駛員操作方便,防止行車安全事故的發生,保障人身安全,各國均規定了汽車上必須安裝后視鏡,且所有后視鏡都必須能調整方向。
在夜間受到后車的前照燈照射時,后視鏡的反射光進入駕駛員的眼簾,易于造成炫目狀態,所以開發出防炫目內后視鏡。防炫目內后視鏡大致可以分為兩種:
(1)成本低且成為主流的截面為楔型的內后視鏡;
(2)從功能效用的觀點出發,僅在必要的景物時使用的采用了電控彩色發光元件或液晶元件的內后視鏡。
防眩目(mu)電(dian)(dian)(dian)(dian)動(dong)后視(shi)鏡(jing)由1個(ge)特殊的電(dian)(dian)(dian)(dian)化(hua)(hua)層鏡(jing)面、2個(ge)光電(dian)(dian)(dian)(dian)傳感(gan)器(qi)以及電(dian)(dian)(dian)(dian)子控制器(qi)組成。電(dian)(dian)(dian)(dian)子控制器(qi)接收(shou)光敏二極管傳送(song)的燈(deng)光照射強度信(xin)號(hao),如(ru)果(guo)后車燈(deng)光強于前(qian)車燈(deng)光,電(dian)(dian)(dian)(dian)子控制器(qi)將輸出一個(ge)電(dian)(dian)(dian)(dian)壓(ya)(ya)到(dao)鏡(jing)面,改變(bian)鏡(jing)面電(dian)(dian)(dian)(dian)化(hua)(hua)層的顏(yan)色。這個(ge)電(dian)(dian)(dian)(dian)壓(ya)(ya)越高,電(dian)(dian)(dian)(dian)化(hua)(hua)層顏(yan)色的改變(bian)越大(da)。電(dian)(dian)(dian)(dian)化(hua)(hua)層的顏(yan)色改變(bian)后,經(jing)過電(dian)(dian)(dian)(dian)動(dong)后視(shi)鏡(jing)反射到(dao)駕駛(shi)員眼睛的光線就(jiu)顯著(zhu)減弱,不但(dan)不影響駕駛(shi)員的視(shi)力,反而提高了駕乘車輛(liang)的舒適性和安(an)全性。
MINI JCW是寶(bao)馬(ma)旗下的(de)一款車,售價在37.50-39.88萬。全新MINI JCW車型是基于MINI公司(si)在2015年(nian)年(nian)初發布的JCW概(gai)念車(che)打造,造型設(she)(she)計基本沿用了(le)概(gai)念車(che)的(de)設(she)(she)計。
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139****9595 on 2021/8/27 13:11:55MINI JCW