圖爾克TURCK接近開關正品保證圖爾克(ke)TURCK接近開關(guan)檢(jian)(jian)測(ce)電梯、升降(jiang)設(she)備(bei)的(de)停(ting)止(zhi)、起動(dong)(dong)、通過位(wei)(wei)置；檢(jian)(jian)測(ce)車輛的(de)位(wei)(wei)置，防(fang)止(zhi)兩物體相撞檢(jian)(jian)測(ce)；檢(jian)(jian)測(ce)工(gong)作機(ji)械的(de)設(she)定位(wei)(wei)置，移動(dong)(dong)機(ji)器(qi)或部件的(de)極(ji)限位(wei)(wei)置；檢(jian)(jian)測(ce)回(hui)轉體的(de)停(ting)止(zhi)位(wei)(wei)置，閥(fa)門的(de)開或關(guan)位(wei)(wei)置。

圖爾克(ke)TURCK接(jie)近(jin)(jin)開關在不(bu)與目標物實際(ji)接(jie)觸的(de)情況下(xia)，接(jie)近(jin)(jin)傳(chuan)(chuan)感(gan)(gan)器(qi)可以檢測靠近(jin)(jin)傳(chuan)(chuan)感(gan)(gan)器(qi)的(de)金屬目標物。接(jie)近(jin)(jin)傳(chuan)(chuan)感(gan)(gan)器(qi)根據操(cao)作原理(li)，大致分為三類(lei)：由電(dian)磁感(gan)(gan)應、磁鐵、電(dian)容(rong)變化衍(yan)生的(de)高頻振(zhen)蕩型(xing)、磁力型(xing)和電(dian)容(rong)型(xing)。

特性：

● 非接(jie)觸檢測，避免了對傳感器自身和目標物的(de)損壞。

● 無觸點輸出，操作壽(shou)命長。

● 即使(shi)在有水或油噴(pen)濺的苛刻環境中也能穩定檢(jian)測(ce)。

● 反應速度快。

● 小型感測頭，安裝靈(ling)活。

圖爾克TURCK電(dian)感式(shi)接近開關工作(zuo)原(yuan)理(li)

電(dian)感式接近開(kai)關(guan)由(you)三(san)大(da)(da)部(bu)分組成:振(zhen)蕩(dang)器、開(kai)關(guan)電(dian)路及(ji)(ji)放(fang)大(da)(da)輸出電(dian)路。振(zhen)蕩(dang)器產(chan)生一個交變(bian)磁場當金(jin)屬(shu)目櫟接近這一磁場,并達到(dao)感應距(ju)離時,在金(jin)屬(shu)目標內產(chan)生渦流(liu),從(cong)而導致振(zhen)蕩(dang)衰減(jian),以(yi)至(zhi)停振(zhen)振(zhen)蕩(dang)器振(zhen)蕩(dang)及(ji)(ji)停振(zhen)的(de)變(bian)化被后級放(fang)大(da)(da)電(dian)路處(chu)理并轉換成開(kai)關(guan)信號(hao),觸(chu)發驅動(dong)控(kong)制器件,從(cong)而達到(dao)非接觸(chu)式之檢測目的(de)2.圖爾克TURCK接近開(kai)關(guan)工(gong)作(zuo)原理

當一(yi)塊(kuai)通有電(dian)(dian)流的(de)(de)(de)金屬或半導體薄片(pian)垂直地放在磁(ci)(ci)(ci)(ci)場(chang)中(zhong)時(shi)(shi),薄片(pian)的(de)(de)(de)兩端就會產生電(dian)(dian)位差,這(zhe)種(zhong)現象就稱為(wei)(wei)(wei)霍(huo)(huo)(huo)(huo)爾(er)(er)(er)效應(ying)(ying)。兩端具(ju)(ju)有的(de)(de)(de)電(dian)(dian)位差值(zhi)稱為(wei)(wei)(wei)霍(huo)(huo)(huo)(huo)爾(er)(er)(er)電(dian)(dian)勢U,其(qi)表(biao)達(da)式(shi)為(wei)(wei)(wei)U=K·I·B/d其(qi)中(zhong)K為(wei)(wei)(wei)霍(huo)(huo)(huo)(huo)爾(er)(er)(er)系(xi)數,I為(wei)(wei)(wei)薄片(pian)中(zhong)通過(guo)的(de)(de)(de)電(dian)(dian)流,B為(wei)(wei)(wei)外(wai)加磁(ci)(ci)(ci)(ci)場(chang)洛倫慈力 Lorentz)的(de)(de)(de)磁(ci)(ci)(ci)(ci)感(gan)(gan)應(ying)(ying)強(qiang)度(du),d是(shi)薄片(pian)的(de)(de)(de)厚度(du)。由此可(ke)見,霍(huo)(huo)(huo)(huo)爾(er)(er)(er)效應(ying)(ying)的(de)(de)(de)靈敏度(du)高低(di)與(yu)外(wai)加磁(ci)(ci)(ci)(ci)場(chang)的(de)(de)(de)磁(ci)(ci)(ci)(ci)感(gan)(gan)應(ying)(ying)強(qiang)度(du)成(cheng)正(zheng)比的(de)(de)(de)關系(xi)。霍(huo)(huo)(huo)(huo)爾(er)(er)(er)開(kai)關就屬于這(zhe)種(zhong)有源磁(ci)(ci)(ci)(ci)電(dian)(dian)轉換(huan)器件,它(ta)是(shi)在霍(huo)(huo)(huo)(huo)爾(er)(er)(er)效應(ying)(ying)原理的(de)(de)(de)基礎上,利用(yong)(yong)集成(cheng)封裝(zhuang)和(he)組裝(zhuang)工藝(yi)制(zhi)作(zuo)(zuo)(zuo)而成(cheng),它(ta)可(ke)方便的(de)(de)(de)把輸入信(xin)號(hao)轉換(huan)成(cheng)實(shi)際應(ying)(ying)用(yong)(yong)中(zhong)的(de)(de)(de)電(dian)(dian)信(xin)號(hao),同時(shi)(shi)又具(ju)(ju)備工業(ye)場(chang)合(he)實(shi)際應(ying)(ying)用(yong)(yong)易操作(zuo)(zuo)(zuo)和(he)可(ke)靠性(xing)的(de)(de)(de)要求。霍(huo)(huo)(huo)(huo)爾(er)(er)(er)開(kai)關的(de)(de)(de)輸入端是(shi)以磁(ci)(ci)(ci)(ci)感(gan)(gan)應(ying)(ying)強(qiang)度(du)B來表(biao)征的(de)(de)(de),當B值(zhi)達(da)到(dao)一(yi)定(ding)的(de)(de)(de)程(cheng)度(du)(如B1)時(shi)(shi),霍(huo)(huo)(huo)(huo)爾(er)(er)(er)開(kai)關內(nei)部的(de)(de)(de)觸發器翻轉,霍(huo)(huo)(huo)(huo)爾(er)(er)(er)開(kai)關的(de)(de)(de)輸出(chu)(chu)電(dian)(dian)平狀態(tai)也隨之(zhi)翻轉。輸出(chu)(chu)端一(yi)般采用(yong)(yong)晶體管(guan)輸出(chu)(chu),和(he)其(qi)他(ta)傳感(gan)(gan)器類似(si)有NN、PNP常開(kai)型(xing)(xing)、常閉型(xing)(xing)、鎖(suo)存型(xing)(xing)(雙(shuang)極性(xing))、雙(shuang)信(xin)號(hao)輸出(chu)(chu)之(zhi)分。霍(huo)(huo)(huo)(huo)爾(er)(er)(er)開(kai)關具(ju)(ju)有無(wu)觸電(dian)(dian)、低(di)功耗(hao)、長使用(yong)(yong)壽命(ming)、響應(ying)(ying)頻率高等(deng)特點,內(nei)部采用(yong)(yong)環氧樹脂封灌成(cheng)一(yi)體化,所以能(neng)在各類惡(e)劣環境下可(ke)靠的(de)(de)(de)工作(zuo)(zuo)(zuo)。霍(huo)(huo)(huo)(huo)爾(er)(er)(er)開(kai)關可(ke)應(ying)(ying)用(yong)(yong)于接近傳感(gan)(gan)器、壓力傳感(gan)(gan)器、里程(cheng)表(biao)等(deng),作(zuo)(zuo)(zuo)為(wei)(wei)(wei)一(yi)種(zhong)新(xin)型(xing)(xing)的(de)(de)(de)電(dian)(dian)器配件3.圖爾(er)(er)(er)克(ke)TURCK線性(xing)接近傳感(gan)(gan)器的(de)(de)(de)原理

線性接近傳感器是一種屬于金屬感應的線性器件,接通電源后,在傳感器的感應面將產生一個交變磁場,當金屬物體接近此感應而時,金屬中則產生渦流而吸取了振蕩器的能量,使振蕩器輸出幅度線性圖爾克光電接近開關使用物體阻擋或反射光束，并且通過同步電路接通電路以檢測物體的存在或不存在。物體不限于金屬，所有反射光（或阻擋光）的物體都可以被發現。圖爾克光電接近開關將輸入電流轉換為發射器上的光信號，接收器根據接收光的強度或存在來檢測目標物體。安全系統中常見的光電開關煙霧報警器，它通常用于工業中以計算機器人手臂的運動次數。圖爾克TURCK接近開關正品保證圖片如下：

圖爾克光電(dian)(dian)(dian)(dian)(dian)(dian)接近開(kai)關(guan)是(shi)一種傳感(gan)器，其(qi)將發射端(duan)和(he)(he)接收端(duan)之(zhi)間的(de)(de)光強(qiang)度變化轉換為電(dian)(dian)(dian)(dian)(dian)(dian)流變化以(yi)用(yong)于(yu)檢(jian)測(ce)(ce)。由于(yu)光電(dian)(dian)(dian)(dian)(dian)(dian)開(kai)關(guan)輸出(chu)電(dian)(dian)(dian)(dian)(dian)(dian)路和(he)(he)輸入電(dian)(dian)(dian)(dian)(dian)(dian)路是(shi)電(dian)(dian)(dian)(dian)(dian)(dian)隔(ge)離的(de)(de)（即電(dian)(dian)(dian)(dian)(dian)(dian)絕緣）因此它(ta)可以(yi)在(zai)許多情況下應用(yong)。采用(yong)集成(cheng)電(dian)(dian)(dian)(dian)(dian)(dian)路技術和(he)(he)SMT表面貼裝技術制(zhi)造的(de)(de)新一代光電(dian)(dian)(dian)(dian)(dian)(dian)開(kai)關(guan)器件，延遲?加(jia)寬?外部同步?相互干擾?可靠性(xing)髙?穩定(ding)工(gong)作區和(he)(he)智能功能，如(ru)自我(wo)診斷。這種新型光電(dian)(dian)(dian)(dian)(dian)(dian)開(kai)關(guan)是(shi)一種采用(yong)脈沖(chong)調制(zhi)的(de)(de)有源光電(dian)(dian)(dian)(dian)(dian)(dian)探測(ce)(ce)系(xi)統型電(dian)(dian)(dian)(dian)(dian)(dian)子(zi)開(kai)關(guan)。使用(yong)的(de)(de)冷光源是(shi)紅(hong)(hong)外光?紅(hong)(hong)光綠(lv)光和(he)(he)藍(lan)光等，非(fei)接觸，無損傷快速(su)(su)和(he)(he)控制(zhi)各(ge)種固體?液體?透明體?黑體?狀(zhuang)態和(he)(he)軟(ruan)體和(he)(he)煙霧的(de)(de)作用(yong)。小(xiao)尺寸?功能?長壽命?高精度?快速(su)(su)響應?檢(jian)測(ce)(ce)距離遠光電(dian)(dian)(dian)(dian)(dian)(dian)阻?電(dian)(dian)(dian)(dian)(dian)(dian)力(li)?強(qiang)磁干擾