KUBLER編碼器8.5000.370W.1024翊霈優質推薦
發布日期:2023-12-21
簡要描述:
編碼器(encoder)是將信號(如比特流)或數據進行編制、轉換為可用以通訊、傳輸和存儲的信號形式的設備。編碼器把角位移或直線位移轉換成電信號,前者稱為碼盤,后者稱為碼尺。按照讀出方式編碼器可以分為接觸式和非接觸式兩種;
由(you)一個中心有(you)軸(zhou)的光電碼盤,其上有(you)環形通、暗的刻線,有(you)光電發射和接收(shou)器件讀取(qu),獲得四組(zu)正(zheng)弦(xian)波信(xin)(xin)號組(zu)合成A、B、C、D,每個正(zheng)弦(xian)波相(xiang)差90度相(xiang)位差(相(xiang)對于一個周波為360度),將C、D信(xin)(xin)號反向(xiang),疊(die)加在A、B兩相(xiang)上,可增強穩定信(xin)(xin)號;另(ling)每轉輸出一個Z相(xiang)脈沖以(yi)代(dai)表(biao)零位參考位。
真空泵是指利用機械、物理、化學或物理化學的方法對被抽容器進行抽氣而獲得真空的器件或設備。通俗來講,真空泵是用各種方法在某一封閉空間中改善、產生和維持真空的裝置。
按真(zhen)空(kong)泵(beng)的工作原理,真(zhen)空(kong)泵(beng)基(ji)本上可以分為兩種(zhong)類型,即氣(qi)體捕集(ji)泵(beng)和氣(qi)體傳輸泵(beng)。其廣泛用(yong)于冶金、化工、食品、電(dian)子鍍膜等行業(ye)。
繼(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(英文(wen)名稱:relay)是(shi)一(yi)種(zhong)(zhong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)控(kong)(kong)(kong)制(zhi)器(qi)件(jian),是(shi)當輸(shu)入量(liang)(激勵量(liang))的(de)(de)變(bian)化(hua)(hua)達到規(gui)定(ding)要求時,在(zai)(zai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)氣輸(shu)出(chu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)中(zhong)使被(bei)控(kong)(kong)(kong)量(liang)發生預定(ding)的(de)(de)階躍變(bian)化(hua)(hua)的(de)(de)一(yi)種(zhong)(zhong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)。它(ta)(ta)具(ju)有控(kong)(kong)(kong)制(zhi)系(xi)統(tong)(又稱輸(shu)入回路(lu)(lu))和(he)被(bei)控(kong)(kong)(kong)制(zhi)系(xi)統(tong)(又稱輸(shu)出(chu)回路(lu)(lu))之間的(de)(de)互動(dong)(dong)(dong)關(guan)系(xi)。通(tong)常應用(yong)于(yu)自(zi)動(dong)(dong)(dong)化(hua)(hua)的(de)(de)控(kong)(kong)(kong)制(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)中(zhong),它(ta)(ta)實(shi)際(ji)上(shang)是(shi)用(yong)小電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)去(qu)控(kong)(kong)(kong)制(zhi)大電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)運作的(de)(de)一(yi)種(zhong)(zhong)“自(zi)動(dong)(dong)(dong)開(kai)關(guan)”。故在(zai)(zai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)中(zhong)起著自(zi)動(dong)(dong)(dong)調節、安(an)全保護、轉換(huan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)等(deng)作用(yong)。繼(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)線(xian)(xian)圈在(zai)(zai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)中(zhong)用(yong)一(yi)個長方(fang)(fang)框符號(hao)表示,如果繼(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)有兩個線(xian)(xian)圈,就畫(hua)兩個并列的(de)(de)長方(fang)(fang)框。同(tong)時在(zai)(zai)長方(fang)(fang)框內或長方(fang)(fang)框旁(pang)標(biao)上(shang)繼(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)的(de)(de)文(wen)字符號(hao)“J”。繼(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)的(de)(de)觸(chu)(chu)點有兩種(zhong)(zhong)表示方(fang)(fang)法(fa):一(yi)種(zhong)(zhong)是(shi)把(ba)它(ta)(ta)們直(zhi)接畫(hua)在(zai)(zai)長方(fang)(fang)框一(yi)側(ce),這(zhe)種(zhong)(zhong)表示法(fa)較為直(zhi)觀。另一(yi)種(zhong)(zhong)是(shi)按照電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)連接的(de)(de)需要,把(ba)各個觸(chu)(chu)點分別畫(hua)到各自(zi)的(de)(de)控(kong)(kong)(kong)制(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)中(zhong),通(tong)常在(zai)(zai)同(tong)一(yi)繼(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)的(de)(de)觸(chu)(chu)點與線(xian)(xian)圈旁(pang)分別標(biao)注上(shang)相(xiang)同(tong)的(de)(de)文(wen)字符號(hao),并將觸(chu)(chu)點組(zu)編上(shang)號(hao)碼,以示區別。
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KUBLER編碼器8.5000.370W.1024翊霈優質推薦
KUBLER編碼器8.5000.370W.1024翊霈優質推薦