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<p class="MsoNormal" style="TEXT-JUSTIFY: inter-ideograph; MARGIN: 0cm 0cm 0pt; LAYOUT-GRID-MODE: char; TEXT-INDENT: 0cm; LINE-HEIGHT: 150%; TEXT-ALIGN: justify; mso-list: l0 level3 lfo1; tab-stops: list 36.0pt;"><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: "Times New Roman"; mso-bidi-font-size: 10.0pt; mso-fareast-font-family: "Times New Roman";"><span style="mso-list: Ignore;">1.1.1<span style="FONT: 7pt "Times New Roman";"> </span></span></span><span style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: "Times New Roman";"><font face="宋体">速度传感器</font></span><span lang="EN-US" style="FONT-SIZE: 12pt; LINE-HEIGHT: 150%; FONT-FAMILY: "Times New Roman"; mso-bidi-font-size: 10.0pt;"><span style="mso-spacerun: yes;"> </span><p></p></span></p><shapetype id="_x0000_t75" stroked="f" filled="f" path="m@4@5l@4@11@9@11@9@5xe" opreferrelative="t" ospt="75" coordsize="21600,21600"><stroke joinstyle="miter"></stroke><formulas><f eqn="if lineDrawn pixelLineWidth 0"></f><f eqn="sum @0 1 0"></f><f eqn="sum 0 0 @1"></f><f eqn="prod @2 1 2"></f><f eqn="prod @3 21600 pixelWidth"></f><f eqn="prod @3 21600 pixelHeight"></f><f eqn="sum @0 0 1"></f><f eqn="prod @6 1 2"></f><f eqn="prod @7 21600 pixelWidth"></f><f eqn="sum @8 21600 0"></f><f eqn="prod @7 21600 pixelHeight"></f><f eqn="sum @10 21600 0"></f></formulas><path oconnecttype="rect" gradientshapeok="t" oextrusionok="f"></path><lock aspectratio="t" vext="edit"></lock></shapetype><shape id="_x0000_s1026" fillcolor="window" type="#_x0000_t75" style="MARGIN-TOP: 165.45pt; Z-INDEX: 1; MARGIN-LEFT: 105.5pt; WIDTH: 223.5pt; POSITION: absolute; HEIGHT: 157.75pt;"><imagedata cropright="27714f" cropleft="10278f" cropbottom="20006f" croptop="7447f" otitle="3" src="file:///C:\DOCUME~1\yxy\LOCALS~1\Temp\msohtml1\01\clip_image001.wmz"></imagedata></shape><span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman"; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">它的工作原理是基于一个惯性质量和移动壳体,传感器有一个永久磁铁,它被固定在传感器壳体上,围绕着磁铁是一个惯性质量线圈,通过弹簧连在壳体上。测量时,将传感器刚性固定在被测物体上,随着被测物振动,磁铁运动,使其产生磁场运动。而线圈因固定在弹簧上,具有较大的惯性质量,即相对高频振动的物体,其是相对静止的。这样,线圈在磁场中作直线运动,产生感应电动势,其大小与线圈运动的线速度(即:机壳的速度)成正比。通过对感应电动势的检测,即能获得被测物体的线速度。</span> |
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