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        1. 產(chǎn)品(pin)目(mu)錄
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          05.2400.1122.0500型(xing)德國(guó)(guo)KUBLER光(guang)電(dian)編(bian)碼器的工(gong)作(zuo)原(yuan)理(li)
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              05.2400.1122.0500型(xing)德國(guó)(guo)KUBLER光(guang)電(dian)編(bian)碼器的工(gong)作(zuo)原(yuan)理(li):

              德(de)國(guó)(guo)KUBLER光(guang)電(dian)編(bian)碼器是(shi)利用光(guang)柵衍(yan)射原(yuan)理(li)實(shí)現(xiàn)位移-數(shù)(shu)字(zi)變(bian)換(huan),通(tong)過(guò)光(guang)電(dian)轉(zhuǎn)(zhuan)換(huan),將輸(shu)出軸(zhou)上的機(jī)械幾(ji)何(he)位移量轉(zhuǎn)(zhuan)換(huan)成脈(mai)沖數(shù)(shu)字(zi)量(liang)的傳(chuan)感器(qi)。

              常(chang)見(jiàn)的德(de)國(guó)KUBLER光(guang)電(dian)編(bian)碼器由光(guang)柵盤(pán),發(fā)光(guang)元(yuan)件(jian)和(he)光(guang)敏(min)元(yuan)件(jian)組(zu)成(cheng)。光(guang)柵實(shí)際(ji)上是(shi)壹(yi)個(gè)(ge)刻有規(guī)則(ze)透(tou)光(guang)和(he)不(bu)透(tou)光(guang)線(xian)條(tiao)的圓(yuan)盤(pán),光(guang)敏(min)元(yuan)件(jian)接(jie)收(shou)的光(guang)通(tong)量隨(sui)透(tou)光(guang)線(xian)條(tiao)同步變(bian)化,光(guang)敏(min)元(yuan)件(jian)輸(shu)出波(bo)形(xing)經(jīng)整(zheng)形(xing)後(hou),變(bian)為(wei)脈(mai)沖信號(hào),每(mei)轉(zhuǎn)壹(yi)圈(quan),輸(shu)出壹(yi)個(gè)(ge)脈沖(chong)。根據(jù)脈沖的變(bian)化,可(ke)以精確(que)測(cè)量和(he)控制設(shè)(she)備(bei)位(wei)移量。

              根(gen)據(jù)檢(jian)測(cè)原(yuan)理(li),編(bian)碼器可分為(wei)光(guang)學(xué)(xue)式(shi)、磁式、感應(yīng)(ying)式(shi)和(he)電(dian)容(rong)式(shi)。根據(jù)其(qi)刻度(du)方(fang)法及(ji)信號(hào)輸(shu)出形(xing)式(shi),可(ke)分(fen)為(wei)增(zeng)量式、絕對(duì)(dui)式(shi)以(yi)及混(hun)合式(shi)三(san)種。(REP)

              德(de)國(guó)KUBLER光(guang)電(dian)編(bian)碼器是(shi)壹(yi)種通(tong)過(guò)光(guang)電(dian)轉(zhuǎn)(zhuan)換(huan)將輸(shu)出軸(zhou)上的機(jī)械幾(ji)何(he)位移量轉(zhuǎn)(zhuan)換(huan)成脈(mai)沖或數(shù)(shu)字(zi)量(liang)的傳(chuan)感器(qi)。這(zhe)是(shi)應(yīng)用最(zui)多的傳(chuan)感器(qi),光(guang)電(dian)編(bian)碼器是(shi)由光(guang)源(yuan)、光(guang)碼盤(pán)和(he)光(guang)敏(min)元(yuan)件(jian)組(zu)成(cheng)。光(guang)柵盤(pán)是(shi)在壹(yi)定直徑的圓(yuan)板上(shang)等(deng)分地(di)開(kāi)通(tong)若幹(gan)個(gè)(ge)長(zhǎng)方(fang)形(xing)孔(kong)。由(you)於(yu)光(guang)電(dian)碼盤(pán)與電(dian)動(dòng)(dong)機(jī)同軸(zhou),電(dian)動(dòng)(dong)機(jī)旋轉(zhuǎn)(zhuan)時(shí)(shi),光(guang)柵盤(pán)與電(dian)動(dòng)(dong)機(jī)同速(su)旋轉(zhuǎn)(zhuan),經(jīng)發(fā)光(guang)二(er)極(ji)管(guan)等(deng)電(dian)子(zi)元(yuan)件(jian)組成的檢(jian)測(cè)裝(zhuang)置(zhi)檢(jian)測(cè)輸(shu)出若幹(gan)脈(mai)沖信號(hào),通(tong)過(guò)計(jì)算(suan)每(mei)秒(miao)光(guang)電(dian)編(bian)碼器輸(shu)出脈(mai)沖的個(gè)(ge)數(shù)(shu)就(jiu)能反映(ying)當(dāng)(dang)前(qian)電(dian)動(dòng)(dong)機(jī)的轉(zhuǎn)(zhuan)速(su)。此(ci)外,為(wei)判(pan)斷旋轉(zhuǎn)(zhuan)方向,碼盤(pán)還可提供(gong)相(xiang)位(wei)相(xiang)差90o的兩路(lu)脈(mai)沖信號(hào)。

              德國(guó)KUBLER光(guang)電(dian)編(bian)碼器是(shi)直接(jie)利(li)用光(guang)電(dian)轉(zhuǎn)(zhuan)換(huan)原(yuan)理(li)輸(shu)出三(san)組方(fang)波(bo)脈沖A、B和(he)Z相(xiang);A、B兩組脈沖相(xiang)位(wei)差90o,從(cong)而可方(fang)便(bian)地(di)判(pan)斷出(chu)旋轉(zhuǎn)(zhuan)方向,而Z相為(wei)每(mei)轉(zhuǎn)壹(yi)個(gè)(ge)脈沖(chong),用於(yu)基準(zhǔn)點(diǎn)(dian)定位(wei)。它的優(yōu)點(diǎn)(dian)是(shi)原(yuan)理(li)構(gòu)(gou)造簡(jiǎn)單(dan),機(jī)械平均(jun)壽(shou)命可(ke)在幾萬(wàn)(wan)小(xiao)時(shí)(shi)以上(shang),抗幹(gan)擾能(neng)力強(qiáng),可靠(kao)性高,適合於(yu)長(zhǎng)(chang)距(ju)離傳輸(shu)。其缺(que)點(diǎn)(dian)是(shi)無(wú)法(fa)輸(shu)出軸(zhou)轉(zhuǎn)動(dòng)的絕(jue)對(duì)位(wei)置信息。

              德國(guó)KUBLER光(guang)電(dian)編(bian)碼器是(shi)直接(jie)輸(shu)出數(shù)(shu)字(zi)量(liang)的傳(chuan)感器(qi),在(zai)它的圓(yuan)形(xing)碼盤(pán)上沿徑向有若幹(gan)同心(xin)碼道(dao),每(mei)條道(dao)上(shang)由透(tou)光(guang)和(he)不(bu)透(tou)光(guang)的扇(shan)形(xing)區(qū)相間組(zu)成(cheng),相鄰(lin)碼道(dao)的扇(shan)區(qū)數(shù)(shu)目(mu)是(shi)雙(shuang)倍(bei)關(guān)(guan)系(xi),碼盤(pán)上的碼道(dao)數(shù)(shu)就(jiu)是(shi)它的二(er)進(jìn)(jin)制數(shù)(shu)碼的位(wei)數(shù)(shu),在(zai)碼盤(pán)的壹(yi)側(cè)(ce)是(shi)光(guang)源(yuan),另壹(yi)側(cè)(ce)對(duì)應(yīng)每(mei)壹(yi)碼道(dao)有壹(yi)光(guang)敏(min)元(yuan)件(jian);當(dāng)(dang)碼盤(pán)處?kù)恫?bu)同位置(zhi)時(shí)(shi),各光(guang)敏(min)元(yuan)件(jian)根(gen)據(jù)(ju)受光(guang)照(zhao)與否(fou)轉(zhuǎn)換(huan)出相(xiang)應(yīng)的電(dian)平信號(hào),形(xing)成(cheng)二(er)進(jìn)(jin)制數(shù)(shu)。這(zhe)種編(bian)碼器的特(te)點(diǎn)(dian)是(shi)不要(yao)計(jì)數(shù)(shu)器(qi),在轉(zhuǎn)(zhuan)軸(zhou)的任(ren)意(yi)位(wei)置(zhi)都可 讀(du)出(chu)壹(yi)個(gè)(ge)固定的與位置(zhi)相對(duì)(dui)應(yīng)(ying)的數(shù)(shu)字(zi)碼。顯然(ran),碼道(dao)越(yue)多(duo),分辨率就(jiu)越(yue)高(gao),對(duì)於壹(yi)個(gè)(ge)具有 N位二進(jìn)(jin)制分(fen)辨率的編(bian)碼器,其碼盤(pán)必須有N條碼道(dao)。

              德(de)國(guó)KUBLER光(guang)電(dian)編(bian)碼器是(shi)利用自(zi)然二進(jìn)(jin)制或循環(huán)(huan)二(er)進(jìn)(jin)制(葛(ge)萊(lai)碼)方式進(jìn)(jin)行光(guang)電(dian)轉(zhuǎn)(zhuan)換(huan)的。絕(jue)對(duì)式(shi)編碼器與增量(liang)式編(bian)碼器不同之處在於(yu)圓(yuan)盤(pán)(pan)上透(tou)光(guang)、不(bu)透(tou)光(guang)的線(xian)條圖(tu)形(xing),絕(jue)對(duì)(dui)編(bian)碼器可有若幹(gan)編(bian)碼,根據(jù)讀(du)出(chu)碼盤(pán)上的編(bian)碼,檢(jian)測(cè)絕對(duì)(dui)位置(zhi)。編(bian)碼的設(shè)(she)計(jì)可(ke)采用二(er)進(jìn)(jin)制碼、循環(huán)(huan)碼、二進(jìn)(jin)制補(bǔ)碼等。它的特(te)點(diǎn)(dian)是(shi):

          1.2.1可以(yi)直接(jie)讀(du)出(chu)角(jiao)度坐標(biāo)的絕(jue)對(duì)值(zhi);

          1.2.2沒(méi)有累積(ji)誤(wu)差;

          1.2.3電(dian)源(yuan)切除後(hou)位(wei)置(zhi)信息不會(huì)丟(diu)失。但(dan)是(shi)分辨(bian)率是(shi)由二(er)進(jìn)(jin)制的位(wei)數(shù)(shu)來(lái)(lai)決定的,也(ye)就(jiu)是(shi)說(shuō)(shuo)精度取決於(yu)位數(shù)(shu),有10位、14位等多(duo)種。

          QQ截圖20230221140023.png


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