ï»? 倒车镜片的镜面会影响视界范围 - 丹阳市兴达镜业有限公å?/title> <meta name="Keywords" content=""> <meta name="Description" content="[field:description]"> <meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7"> <script> var _contextPath="/efactory"; var _templatePath="/efactory/pdfutureworld/"; var _forbidF5=true;var _forbidCopy=false;var _forbidContextMenu=false; </script> <link href="/template/v018/ospod.css?0" rel="stylesheet" type="text/css" /> <script language="javascript" src="/template/v018/ospodcommon.js?0"></script> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <link href="/template/v018/style.css" rel="stylesheet" type="text/css" /> <script type="text/javascript" src="/template/v018/png.js"></script> <script language="JavaScript" type="text/javascript" src="/template/v018/menu.js"></script> <script language="JavaScript" type="text/javascript" src="/template/v018/date.js"></script> <link href="/template/v018/pic/css.css" rel="stylesheet" type="text/css" /> <link rel="stylesheet" type="text/css" href="/template/v018/pic/jquery.jslides.css" media="screen" /> <script type="text/javascript" src="/template/v018/pic/jquery-1.8.0.min.js"></script> <script type="text/javascript" src="/template/v018/pic/jquery.jslides.js"></script> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> </head> <body > <div style="position:fixed;left:-9000px;top:-9000px;"></div> <div id="wrapper"> <div id="header"> <div class="top"> <div class="logo"><img src="/template/v018/pic/logo.jpg" alt="丹阳市兴达镜业有限公å? 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发布时间ï¼?020-09-25</h6> <div id="zoom" class="content ovflow"> <p><p style="text-align:center;"> <img style="max-width:100%;" src="/uploads/image/20200925/20200925090300_7973.jpg" alt="" /> </p> <p> <b><a href="http://www.saffronsierra.com/" target="_blank" style="font-weight:bold">倒车镜片</a></b>视野有问题。也就是说反思的范围。行业内的视觉有三个要素,即驾驶员眼睛与<b><a href="http://www.saffronsierra.com/" target="_blank" style="font-weight:bold">后视é•?/a></b>的距离ã€?a href="http://www.saffronsierra.com/supply/61.html" target="_blank">后视é•?/a>的大小、后视镜的曲率半径。这三个要素之间有一定的关系。当换向镜头的距离和尺寸相同时,镜头的曲率半径越小,镜头反射的视野越大。当镜子的曲率半径相同时,镜子的尺寸越大,镜子反射的视野越大。但是,事物总是有两重性的。镜子曲率半径越小,视野越大,倒车镜片反射的物体变形程度越大。和镜子一样,经常会引起司机的错觉ã€?</p> <br /> 从行车的角度来看,存在图像失真率的问题。按照行业标准,平面镜的畸变率不应超过百分之3,凸面镜的畸变率不应超过百分ä¹?。要求不能反映扭曲的物理图像。因此,镜子的曲率半径有一个有限的范围。行业标准规定外镜曲率半径为R1200,内镜曲率半径为无穷å¤?平面é•?。同时倒车镜片也有反射率指标。反射率越高,镜子反射的图像越清晰。反射率与镜子内表面的反射膜材料有关ã€?br /> <br /> 倒车镜片的反光膜一般是用银和铝做的,反射率很小,百分之80。高反射率在某些场合有副作用。比如晚上在后大灯下行驶时,车内后视镜的反光会给驾驶员带来刺眼的感觉,影响行车稳定。因此,车内后视镜一般采用棱镜,镜面平坦,但截面形状为棱镜,利用棱镜表面反射率和内部反射率不同的特点,达到无眩光的要求。白天用反射率百分之80的银铝反光膜,晚上用反射率只有百分之4左右的表面玻璃。因此,只需在夜间稍微转动日间位置的车内后视镜ã€?br />    <span _fck_bookmark="1" style="display: none"> </span></p></div> </blockquote> <div class="tools"><div class="function"></div></div> </div> </div> <div class="tag">相关标签ï¼?/div> <div class="infobox"> <h1><p>相关新闻</p></h1> <div class="newslist"> <ul> <li><a href="/news/210.html" title="汽车后视镜传感器的设计方æ¡?>汽车后视镜传感器的设计方æ¡?/a></li> <li><a href="/news/209.html" title="后视镜的正确设置方法">后视镜的正确设置方法</a></li> <li><a href="/news/208.html" title="汽车后视镜的调节方法">汽车后视镜的调节方法</a></li> <li><a href="/news/207.html" title="认识后视镜的基本特点更加有保éš?>认识后视镜的基本特点更加有保éš?/a></li> <li><a href="/news/206.html" title="汽车后视镜如何维护可以使寿命变长">汽车后视镜如何维护可以使寿命变长</a></li> </ul> </div> </div> <div class="infobox"> <h1><p>相关产品</p></h1> <div class="prorelated">   <dl> <dt><font><a href="/supply/113.html" rel="external nofollow"><img src='/uploads/cp/20140801040925.jpg' alt="新宝来镜ç‰? 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