位移傳感器的工作原理是什么
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位移傳感器是一種測量很小的距離（長度）變化的傳感器。
比較常見的是利用電磁感應原理制成的傳感器。另外還有利用激光、紅外線、超聲波、電容測距原理制成的各種結構用途的。
位移傳感器是傳感系統的一個組成部分，它是被測量信號輸入的道關口。 傳感器把某種形式的能量轉換成另一種形式的能量。
位移傳感器有兩類：有源的和無源的。有源傳感器能將一種能量形式直接轉變成另一種，不需要外接的能源或激勵源。 無源傳感器不能直接轉換能量形式，但無源傳感器能控制從另一輸入端輸入的能量或激勵能，傳感器承擔將某個對象或過程的特定特性轉換成數量的工作。其“對象”可以是固體、液體或氣體，而它們的狀態可以是靜態的，也可以是動態(即過程)的。對象特性被轉換量化后可以通過多種方式檢測。對象的特性可以是物理性質的，也可以是化學性質的。按照無源傳感器工作原理，它將對象特性或狀態參數轉換成可測定的電學量，然后將此電信號分離出來，送入傳感器系統加以評測或標示。
GEFRAN位移傳感器的工作原理是什么位移傳感(gan)器(qi)(qi)(qi)原理結(jie)構(gou) 在(zai)(zai)一段特制的(de)(de)(de)(de)(de)(de)(de)彈性軸(zhou)上(shang)(shang)粘貼上(shang)(shang)的(de)(de)(de)(de)(de)(de)(de)測扭應(ying)片并組(zu)成變(bian)(bian)橋(qiao)(qiao)，即(ji)為基礎(chu)扭矩傳感(gan)器(qi)(qi)(qi)；在(zai)(zai)軸(zhou)上(shang)(shang)固定(ding)著(zhu)：(1)能(neng)源(yuan)(yuan)(yuan)環(huan)(huan)形(xing)變(bian)(bian)壓器(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)次(ci)級(ji)(ji)(ji)線(xian)(xian)圈(quan)(quan)，(2)信(xin)(xin)(xin)號(hao)(hao)(hao)環(huan)(huan)形(xing)變(bian)(bian)壓器(qi)(qi)(qi)初(chu)級(ji)(ji)(ji)線(xian)(xian)圈(quan)(quan)，(3)軸(zhou)上(shang)(shang)印刷電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)板，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)板上(shang)(shang)包含(han)整流(liu)穩(wen)(wen)定(ding)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)、儀表(biao)放(fang)(fang)(fang)大電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)、V/F變(bian)(bian)換(huan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)及信(xin)(xin)(xin)號(hao)(hao)(hao)輸(shu)出電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)。在(zai)(zai)傳感(gan)器(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)外殼上(shang)(shang)固定(ding)著(zhu)：（1）激磁(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)，(2)能(neng)源(yuan)(yuan)(yuan)環(huan)(huan)形(xing)變(bian)(bian)壓器(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)初(chu)級(ji)(ji)(ji)線(xian)(xian)圈(quan)(quan)(輸(shu)入(ru))，(3) 信(xin)(xin)(xin)號(hao)(hao)(hao)環(huan)(huan)形(xing)變(bian)(bian)壓器(qi)(qi)(qi)次(ci)級(ji)(ji)(ji)線(xian)(xian)圈(quan)(quan)(輸(shu)出)，(4)信(xin)(xin)(xin)號(hao)(hao)(hao)處(chu)理電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)位移傳感(gan)器(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)工(gong)作(zuo)過(guo)(guo)程(cheng)：向傳感(gan)器(qi)(qi)(qi)提(ti)供(gong)±15V電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)，激磁(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)中的(de)(de)(de)(de)(de)(de)(de)晶(jing)體(ti)振蕩器(qi)(qi)(qi)產生400Hz的(de)(de)(de)(de)(de)(de)(de)方波，經過(guo)(guo)TDA2030功率(lv)放(fang)(fang)(fang)大器(qi)(qi)(qi)即(ji)產生交(jiao)流(liu)激磁(ci)功率(lv)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)，通(tong)(tong)過(guo)(guo)能(neng)源(yuan)(yuan)(yuan)環(huan)(huan)形(xing)變(bian)(bian)壓器(qi)(qi)(qi)T1從(cong)靜止(zhi)的(de)(de)(de)(de)(de)(de)(de)初(chu)級(ji)(ji)(ji)線(xian)(xian)圈(quan)(quan)傳遞(di)至旋(xuan)轉(zhuan)的(de)(de)(de)(de)(de)(de)(de)次(ci)級(ji)(ji)(ji)線(xian)(xian)圈(quan)(quan)，得到的(de)(de)(de)(de)(de)(de)(de)交(jiao)流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)通(tong)(tong)過(guo)(guo)軸(zhou)上(shang)(shang)的(de)(de)(de)(de)(de)(de)(de)整流(liu)濾波電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)得到±5V的(de)(de)(de)(de)(de)(de)(de)直(zhi)(zhi)流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)，該電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)做運算放(fang)(fang)(fang)大器(qi)(qi)(qi)AD822的(de)(de)(de)(de)(de)(de)(de)工(gong)作(zuo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)；由基準電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)AD589與雙運放(fang)(fang)(fang)AD822組(zu)成的(de)(de)(de)(de)(de)(de)(de)高精度穩(wen)(wen)壓電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)產生±4.5V的(de)(de)(de)(de)(de)(de)(de)精密(mi)直(zhi)(zhi)流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)，該電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)既作(zuo)為電(dian)(dian)(dian)(dian)(dian)(dian)(dian)橋(qiao)(qiao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)，又(you)作(zuo)為放(fang)(fang)(fang)大器(qi)(qi)(qi)及V/F轉(zhuan)換(huan)器(qi)(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)工(gong)作(zuo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)。當彈性軸(zhou)受扭時，應(ying)變(bian)(bian)橋(qiao)(qiao)檢測得到的(de)(de)(de)(de)(de)(de)(de)mV級(ji)(ji)(ji)的(de)(de)(de)(de)(de)(de)(de)應(ying)變(bian)(bian)信(xin)(xin)(xin)號(hao)(hao)(hao)通(tong)(tong)過(guo)(guo)儀表(biao)放(fang)(fang)(fang)大器(qi)(qi)(qi)AD620放(fang)(fang)(fang)大成1.5v±1v的(de)(de)(de)(de)(de)(de)(de)強(qiang)信(xin)(xin)(xin)號(hao)(hao)(hao)，再(zai)通(tong)(tong)過(guo)(guo)V/F轉(zhuan)換(huan)器(qi)(qi)(qi)LM131變(bian)(bian)換(huan)成頻(pin)率(lv)信(xin)(xin)(xin)號(hao)(hao)(hao)，通(tong)(tong)過(guo)(guo)信(xin)(xin)(xin)號(hao)(hao)(hao)環(huan)(huan)形(xing)變(bian)(bian)壓器(qi)(qi)(qi)T2從(cong)旋(xuan)轉(zhuan)的(de)(de)(de)(de)(de)(de)(de)初(chu)級(ji)(ji)(ji)線(xian)(xian)圈(quan)(quan)傳遞(di)至靜止(zhi)次(ci)級(ji)(ji)(ji)線(xian)(xian)圈(quan)(quan)，再(zai)經過(guo)(guo)外殼上(shang)(shang)的(de)(de)(de)(de)(de)(de)(de)信(xin)(xin)(xin)號(hao)(hao)(hao)處(chu)理電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)濾波、整形(xing)即(ji)可(ke)得到與彈性軸(zhou)承受的(de)(de)(de)(de)(de)(de)(de)扭矩成正比的(de)(de)(de)(de)(de)(de)(de)頻(pin)率(lv)信(xin)(xin)(xin)號(hao)(hao)(hao)，該信(xin)(xin)(xin)號(hao)(hao)(hao)為TTL電(dian)(dian)(dian)(dian)(dian)(dian)(dian)平(ping),既可(ke)提(ti)供(gong)給二次(ci)儀表(biao)或頻(pin)率(lv)計顯示也可(ke)直(zhi)(zhi)接送(song)計算機處(chu)理。由于(yu)該旋(xuan)轉(zhuan)變(bian)(bian)壓器(qi)(qi)(qi)動--靜環(huan)(huan)之(zhi)間只有零點幾毫米的(de)(de)(de)(de)(de)(de)(de)間隙，加之(zhi)傳感(gan)器(qi)(qi)(qi)軸(zhou)上(shang)(shang)部分都密(mi)封在(zai)(zai)金屬外殼之(zhi)內，形(xing)成有效的(de)(de)(de)(de)(de)(de)(de)屏(ping)蔽，因此(ci)具有很(hen)強(qiang)的(de)(de)(de)(de)(de)(de)(de)抗干擾能(neng)力。

GEFRAN位移傳感器的工作原理是什么