网址:http://www.amy03.com/ 堡盟传感器应变式传感器是利用电阻应变效应做成的传感器,是常用传感器之一。应变式传感器的核心元件是电阻应变计。电阻应变计也叫应变计或应变片,是一种能将机械构件上的应变的变化转换为电阻变化的传感元件。其构造为排列成网状的高阻金属丝、栅状金属箔或半导体片构成敏感栅,用粘合剂粘在绝缘的基片上。敏感栅上贴有盖片。使用时用粘合剂将应变计粘在被测试件表面上。试件变形时,应变计的敏感栅与试件一起变形,使电阻发生变化,由测量电路将电阻变化转化为电压或电流的变化,在由显示记录仪表将其显示记录。应变电阻计的电阻变化是与形变成正比的,因此,由显示记录的电压或电流的变化,可得知被测试件应变的大小。应变式测力传感器由弹性体、应变计和外壳组成。弹性体是测力传感器的基础,应变计是传感器的核心。 堡盟传感器还有一种剪切力传感器又称轮辐式传感器,基本结构是由轮辐条成对连接在轮毂和轮圈间,采用钢球传递中立,圆球压头有自动定中心的功能。每对轮箍的受拉片和受拉片串联成一臂,受压臂合要压两串联成相邻臂。这样有助于消除载荷偏心对输出的影响。加在轮钻和轮圈上的回力若使一根轮辐受拉,其相对另一侧受压由于每对轮辐截面是相等的,应变阻值相等方向相反,因此每个臂的总阻值无输出无影响。手机:18372021864qq:1763639853PARent;">ABSolute;top:0;border:0;width:undefinedpx;height:undefinedpx;" SANdbox="allow-forms allow-pointer-lock allow-popUPS allow-popups-to-escape-sandbox allow-same-origin allow-scripts allow-top-navigation-by-user-activation" frameborder="0" src="https://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-6745515041074118&ouTPUt=html&adk=1812271804&adf=3279755396&plat=1%3A32776%2C2%3A32776%2C8%3A32776%2C9%3A32776%2C16%3A8388608%2C17%3A32%2C24%3A32%2C25%3A32%2C30%3A1081344%2C32%3A32%2C40%3A32&guci=2.2.0.0.2.2.0.0&format=0x0&url=https%3A%2F%2Fwww.bizrobot.com%2Fcompany_bloginfo.php%3Fact%3D1&ea=0&flash=29.0.0&pra=5&wgl=1&adsid=NT&dt=1587435551873&bpp=5&bdt=62&idt=255&shv=r20200416&cbv=r20190131&ptt=9&saldr=aa&cookie=ID%3Da07b3c4ba002eaff%3AT%3D1586760676%3AS%3DALNI_MZl9pNx2HQ9GFalqRptRGcqVZOiBA&crv=1&nras=1&correlator=2299624430100&frm=23&ife=1&pv=2&ga_vid=1836847445.1587435552&ga_sid=1587435552&ga_hid=1902268879&ga_fc=0&iag=3&icsg=42&nhd=1&dssz=4&mdo=0&mso=0&u_tz=480&u_his=7&u_java=0&u_h=1080&u_w=1920&u_ah=1030&u_aw=1920&u_cd=24&u_nplug=15&u_nmime=32&adx=-12245933&ady=-12245933&biw=1273&bih=699&isw=730&ish=360&ifk=2699508910&scr_x=0&scr_y=0&eid=21065472%2C21065474%2C21065532%2C44717539%2C182982100%2C182982300&oid=3&pvsid=2069070045047690&pem=841&ref=https%3A%2F%2Fwww.bizrobot.com%2Fcompany_bloginfo.php%3Fadd_suc%3D1&rx=0&eae=2&fc=1920&brdim=482%2C38%2C482%2C38%2C1920%2C0%2C1584%2C966%2C730%2C360&vis=1&rsz=%7C%7Cs%7C&abl=NS&fu=8220&bc=31&ifi=0&uci=0.ra1m4zirvusj&fsb=1&dtd=288" marginwidth="0" marginheight="0" vspace="0" hspace="0" allowtransparency="true" scrolling="no" allowfullscreen="true" data-google-container-id="0.ra1m4zirvusj" data-load-complete="true"> |