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<div class="post-nav"><a class="l" href="http://www.bjfuke.com/bjweb/post/236.html">« 早泄延长性交时间也该有个?/a><a class="r" href="http://www.bjfuke.com/bjweb/post/238.html">LED灯具一次性投入较?»</a></div>
<h4 class="post-date">2008-6-26 11:9:56</h4>
<h2 class="post-title">位移传感器的特点是发光器?/h2>
<div class="post-body"><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><font color="#000000"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">光栅数显测量系统是一种能自动检测和自动显示的光机电一体化产品，是改造旧机床，装备新机床以及各种长度计量仪器的重要配套件，是用微电子技术改造传统工业的方向之一。由于光栅数显测量系统具有精度高，安装及操作容易，价格低，回收投资快等优点而得到大量使用?/span><span lang="EN-US" style="FONT-SIZE: 12pt"><o:p></o:p></span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><font color="#000000"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">一、结?/span><span lang="EN-US" style="FONT-SIZE: 12pt"><font face="Times New Roman"> <o:p></o:p></font></span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN-US" style="FONT-SIZE: 12pt"><font face="Times New Roman"><font color="#000000"> <o:p></o:p></font></font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><font color="#000000"><span lang="EN-US" style="FONT-SIZE: 12pt"><font face="Times New Roman" color="#000000">BG1/KG1</font></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><font color="#000000">系列光栅?/font><a href="http://www.cgxk163.com/wycgq.htm"><font color="#000000">位移传感?/font></a><font color="#000000">?/font>我公司生产的主导产品之一</span><span lang="EN-US" style="FONT-SIZE: 12pt"><font face="Times New Roman">,</font></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">分为</span><span lang="EN-US" style="FONT-SIZE: 12pt"><font face="Times New Roman">BG1</font></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">型闭式结构和</span><span lang="EN-US" style="FONT-SIZE: 12pt"><font face="Times New Roman">KG1</font></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">型开启式结构两种类型?/span><span lang="EN-US" style="FONT-SIZE: 12pt"><font face="Times New Roman">BG1</font></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">型闭式结构的光栅尺为</span><span lang="EN-US" style="FONT-SIZE: 12pt"><font face="Times New Roman">50</font></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">?/span><span lang="EN-US" style="FONT-SIZE: 12pt"><font face="Times New Roman">/mm</font></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">?/span><span lang="EN-US" style="FONT-SIZE: 12pt"><font face="Times New Roman">KG1</font></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">型开启式结构的光栅尺?/span><span lang="EN-US" style="FONT-SIZE: 12pt"><font face="Times New Roman">100</font></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">?/span><span lang="EN-US" style="FONT-SIZE: 12pt"><font face="Times New Roman">/mm</font></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">?/span><span lang="EN-US" style="FONT-SIZE: 12pt"><font face="Times New Roman"> <o:p></o:p></font></span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN-US" style="FONT-SIZE: 12pt"><font face="Times New Roman"><font color="#000000"> <o:p></o:p></font></font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><font color="#000000"><font color="#000000"><span lang="EN-US" style="FONT-SIZE: 12pt"><font face="Times New Roman" color="#000000">KG1</font></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><font color="#000000">型开启式</font><a href="http://www.cgxk163.com/wycgq.htm"><font color="#000000">位移传感?/font></a><font color="#000000">的标尺光栅裸露在外，微型发光器件和接收器件都装在传感头里?/font><a href="http://www.cgxk163.com/wycgq.htm"><font color="#000000">位移传感?/font></a><font color="#000000">的精度较高，要求的工作环境条件高?/font><a href="http://www.cgxk163.com/wycgq.htm"><font color="#000000">位移传感?/font></a>通常运用于精密仪器及使用条件较好的数控设备上?/span><span lang="EN-US" style="FONT-SIZE: 12pt"><font face="Times New Roman">BG1</font></span></font><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><font color="#000000">型闭?/font><a href="http://www.cgxk163.com/wycgq.htm"><font color="#000000">位移传感?/font></a><font color="#000000">的特点是发光器件、光电转换器件和光栅尺封装在紧固的铝合金型材里?/font><a href="http://www.cgxk163.com/wycgq.htm"><font color="#000000">位移传感?/font></a><font color="#000000">发光器件采用红外发光二极管，光电转换器件采用光电三极管。在铝合金型材下部有柔性的</font>密封胶条，可以防止铁屑、切屑和冷却剂等污染物进入尺体中?a href="http://www.cgxk163.com/wycgq.htm"><font color="#000000">位移传感?/font></a>电气连接线经过缓冲电路进入传感头，然后再通过能防止干扰的电缆线送进光栅数显表，显示位移的变化?/span><span lang="EN-US" style="FONT-SIZE: 12pt"><o:p></o:p></span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><font color="#000000"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">二、基本原?/span><span lang="EN-US" style="FONT-SIZE: 12pt"><font face="Times New Roman"> <o:p></o:p></font></span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN-US" style="FONT-SIZE: 12pt"><font face="Times New Roman"><font color="#000000"> <o:p></o:p></font></font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><font color="#000000">光栅</font><a href="http://www.cgxk163.com/wycgq.htm"><font color="#000000">位移传感?/font></a><font color="#000000">的工作原理，是由一对光栅副中的主光栅（即标尺光栅）和副光栅（即指示光栅）进行相对位移时，在光的干涉与衍射共同作用下产生黑白相间（或明暗相间）的规则条纹图形，称之为莫尔条纹?/font><a href="http://www.cgxk163.com/wycgq.htm"><font color="#000000">位移传感?/font></a><font color="#000000">经过光电器件转换使黑白（或明暗）相同的条纹转换成正弦波变化的电信号，再经过放大器放大，整形电路整形后，得到两路相差为</font></span><font color="#000000"><span lang="EN-US" style="FONT-SIZE: 12pt"><font face="Times New Roman">90o</font></span><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">的正弦波或方波，送入光栅数显表计数显示?/span><span lang="EN-US" style="FONT-SIZE: 12pt"><font face="Times New Roman"> <o:p></o:p></font></span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><font color="#000000"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">三、安装方?/span><span lang="EN-US" style="FONT-SIZE: 12pt"><font face="Times New Roman"> <o:p></o:p></font></span></font></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN-US" style="FONT-SIZE: 12pt"><font face="Times New Roman"><font color="#000000"> <o:p></o:p></font></font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><font color="#000000">光栅?/font><a href="http://www.cgxk163.com/wycgq.htm"><font color="#000000">位移传感?/font></a><font color="#000000">的安装比较灵活，可安装在机床的不同部位?/font></span><span lang="EN-US" style="FONT-SIZE: 12pt"><font face="Times New Roman"><font color="#000000"> <o:p></o:p></font></font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN-US" style="FONT-SIZE: 12pt"><font face="Times New Roman"><font color="#000000"> <o:p></o:p></font></font></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'"><font color="#000000">一般将主尺安装在机床的工作台（滑板）上，随机床走刀而动?/font><a href="http://www.cgxk163.com/wycgq.htm"><font color="#000000">位移传感?/font></a><font color="#000000">读数头固定在床身上，尽可能使读数头安装在主尺的下方。其安装方式的选择必须注意切屑、切削液及油液的溅落方向。如果由于安装位置限制必须采用读数头朝上的方式安装时，则必须增加辅助密封装置。另外，一般情况下?/font><a href="http://www.cgxk163.com/wycgq.htm"><font color="#000000">位移传感?/font></a><font color="#000000">读数头应尽量安装在相对机床静止部件上，此时输出导线不移动易固定，?/font><a href="http://www.cgxk163.com/wycgq.htm"><font color="#000000">位移传感?/font></a><font color="#000000">尺身则应安装在相对机床运动的部件上（如滑板）?/font></span><span lang="EN-US" style="FONT-SIZE: 12pt"><o:p></o:p></span></p></div>
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