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什么是KEYENCE基恩士光纖傳感器,什么是光電傳感器?二者有何區別?

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  什么(me)是KEYENCE基恩(en)士光(guang)纖傳感(gan)(gan)器(qi),什么(me)是光(guang)電傳感(gan)(gan)器(qi)?二者有何區別(bie)?

  KEYENCE基恩士光(guang)(guang)纖(xian)(xian)(xian)傳感器(qi)是(shi)一(yi)種將被測(ce)(ce)對象的(de)(de)狀態(tai)轉變為可測(ce)(ce)的(de)(de)光(guang)(guang)信號(hao)的(de)(de)傳感器(qi)。光(guang)(guang)纖(xian)(xian)(xian)傳感器(qi)的(de)(de)工作(zuo)原(yuan)理是(shi)將光(guang)(guang)源入(ru)(ru)射(she)的(de)(de)光(guang)(guang)束(shu)(shu)經(jing)由光(guang)(guang)纖(xian)(xian)(xian)送入(ru)(ru)調(diao)制(zhi)器(qi),在(zai)調(diao)制(zhi)器(qi)內與外界被測(ce)(ce)參數的(de)(de)相互作(zuo)用(yong)(yong), 使光(guang)(guang)的(de)(de)光(guang)(guang)學性質如光(guang)(guang)的(de)(de)強度、波長、頻率、相位、偏振態(tai)等發生(sheng)變化(hua),成為被調(diao)制(zhi)的(de)(de)光(guang)(guang)信號(hao),再經(jing)過(guo)光(guang)(guang)纖(xian)(xian)(xian)送入(ru)(ru)光(guang)(guang)電器(qi)件、經(jing)解調(diao)器(qi)后獲(huo)得被測(ce)(ce)參數。整個(ge)過(guo)程中(zhong),光(guang)(guang)束(shu)(shu)經(jing)由光(guang)(guang)纖(xian)(xian)(xian)導(dao)入(ru)(ru),通過(guo)調(diao)制(zhi)器(qi)后再射(she)出,其(qi)(qi)中(zhong)光(guang)(guang)纖(xian)(xian)(xian)的(de)(de)作(zuo)用(yong)(yong)首先是(shi)傳輸光(guang)(guang)束(shu)(shu),其(qi)(qi)次是(shi)起到(dao)光(guang)(guang)調(diao)制(zhi)器(qi)的(de)(de)作(zuo)用(yong)(yong)。

  KEYENCE基恩(en)士(shi)光(guang)纖(xian)傳感(gan)(gan)器(qi)的(de)(de)(de)優點是與(yu)傳統的(de)(de)(de)各(ge)類(lei)傳感(gan)(gan)器(qi)相(xiang)比,光(guang)纖(xian)傳感(gan)(gan)器(qi)用(yong)光(guang)作為敏(min)感(gan)(gan)信(xin)息(xi)的(de)(de)(de)載體(ti),用(yong)光(guang)纖(xian)作為傳遞敏(min)感(gan)(gan)信(xin)息(xi)的(de)(de)(de)媒質,具有(you)光(guang)纖(xian)及光(guang)學測量的(de)(de)(de)特點,有(you)一系列的(de)(de)(de)優點。電絕緣(yuan)性(xing)能(neng)好(hao),抗(kang)電磁干(gan)擾能(neng)力強,非(fei)侵入(ru)性(xing),高靈(ling)敏(min)度(du),容易實(shi)現(xian)對被(bei)測信(xin)號(hao)的(de)(de)(de)遠(yuan)距離監控,耐(nai)腐蝕,防(fang)爆,光(guang)路有(you)可撓(nao)曲性(xing),便于與(yu)計算機聯接(jie)。

  KEYENCE基恩(en)士光纖(xian)傳感器朝著靈敏(min)、精確、適應性強、小(xiao)巧和智能(neng)化的(de)方(fang)向發展(zhan),它(ta)能(neng)夠在人(ren)達不(bu)到(dao)的(de)地方(fang)(如高(gao)溫(wen)區(qu)或者對人(ren)有害的(de)地區(qu),如核輻射(she)區(qu)),起(qi)到(dao)人(ren)的(de)耳目作(zuo)用,而且還能(neng)超越人(ren)的(de)生理界(jie)限(xian),接收人(ren)的(de)感官所感受不(bu)到(dao)的(de)外界(jie)信息。

  KEYENCE基恩士(shi)光纖傳感器(qi)(qi)是(shi)將光信號轉換為電(dian)(dian)(dian)信號的(de)(de)一種器(qi)(qi)件(jian)。其工作原理基于光電(dian)(dian)(dian)效(xiao)(xiao)應(ying)。光電(dian)(dian)(dian)效(xiao)(xiao)應(ying)是(shi)指光照射在某些物質上時,物質的(de)(de)電(dian)(dian)(dian)子(zi)吸收光子(zi)的(de)(de)能量而發生(sheng)了相應(ying)的(de)(de)電(dian)(dian)(dian)效(xiao)(xiao)應(ying)現象。根據光電(dian)(dian)(dian)效(xiao)(xiao)應(ying)現象的(de)(de)不同將光電(dian)(dian)(dian)效(xiao)(xiao)應(ying)分(fen)(fen)為三類:外(wai)光電(dian)(dian)(dian)效(xiao)(xiao)應(ying)、內光電(dian)(dian)(dian)效(xiao)(xiao)應(ying)及光生(sheng)伏(fu)應(ying)。光電(dian)(dian)(dian)器(qi)(qi)件(jian)有光電(dian)(dian)(dian)管、光電(dian)(dian)(dian)倍增管、光敏(min)(min)電(dian)(dian)(dian)阻、光敏(min)(min)二極(ji)管、光敏(min)(min)三極(ji)管、光電(dian)(dian)(dian)池等。分(fen)(fen)析了光電(dian)(dian)(dian)器(qi)(qi)件(jian)的(de)(de)性能、特性曲線。

  KEYENCE基恩士光(guang)(guang)(guang)(guang)纖傳(chuan)感(gan)器(qi)(qi)是以光(guang)(guang)(guang)(guang)電(dian)(dian)器(qi)(qi)件(jian)作為轉換(huan)元件(jian)的(de)(de)傳(chuan)感(gan)器(qi)(qi)。它可用(yong)(yong)(yong)于(yu)檢測直(zhi)接引(yin)起光(guang)(guang)(guang)(guang)量(liang)變(bian)化(hua)的(de)(de)非電(dian)(dian)物(wu)理量(liang),如光(guang)(guang)(guang)(guang)強、光(guang)(guang)(guang)(guang)照度、輻射測溫、氣體(ti)成分分析(xi)等(deng);也可用(yong)(yong)(yong)來檢測能轉換(huan)成光(guang)(guang)(guang)(guang)量(liang)變(bian)化(hua)的(de)(de)其他非電(dian)(dian)量(liang),如零件(jian)直(zhi)徑、表面粗(cu)糙度、應變(bian)、位(wei)移(yi)、振動(dong)、速度、加速度,以及(ji)物(wu)體(ti)的(de)(de)形狀、工作狀態的(de)(de)識別(bie)等(deng)。光(guang)(guang)(guang)(guang)電(dian)(dian)式(shi)傳(chuan)感(gan)器(qi)(qi)具有非接觸、響(xiang)應快、性(xing)能可靠等(deng)特點,因此在工業自動(dong)化(hua)裝置和機器(qi)(qi)人(ren)中獲得廣(guang)泛應用(yong)(yong)(yong)。新的(de)(de)光(guang)(guang)(guang)(guang)電(dian)(dian)器(qi)(qi)件(jian)不斷涌現,特別(bie)是CCD圖像傳(chuan)感(gan)器(qi)(qi)的(de)(de)誕生,為光(guang)(guang)(guang)(guang)電(dian)(dian)傳(chuan)感(gan)器(qi)(qi)的(de)(de)進(jin)一(yi)(yi)步(bu)應用(yong)(yong)(yong)開創了(le)新的(de)(de)一(yi)(yi)頁(ye)。

  KEYENCE基恩(en)士光纖傳感(gan)器有什么區(qu)別

  光(guang)纖傳(chuan)感(gan)(gan)器和光(guang)電傳(chuan)感(gan)(gan)器作為(wei)兩(liang)種(zhong)典型的傳(chuan)感(gan)(gan)器,其在(zai)生產(chan)測量當中的應(ying)(ying)用(yong)都是比較廣泛的,那么兩(liang)者究竟(jing)有什么區別呢?接下來就從原理及應(ying)(ying)用(yong)兩(liang)方(fang)面對二(er)者的區別進行(xing)逐一的分析(xi)。

  (一)原理方面

  KEYENCE基(ji)恩士光纖傳(chuan)感(gan)器(qi)是采用(yong)光電元件(jian)作為(wei)檢測(ce)元件(jian)的傳(chuan)感(gan)器(qi)。它首先把被測(ce)量的變化轉換(huan)成光信(xin)號的變化,然后借助光電元件(jian)進一步將光信(xin)號轉換(huan)成電信(xin)號。KEYENCE基(ji)恩士光纖傳(chuan)感(gan)器(qi)一般由光源、光學通路和(he)光電元件(jian)三部分組成。

  光(guang)(guang)(guang)(guang)纖(xian)傳(chuan)感器:是將來自光(guang)(guang)(guang)(guang)源的(de)光(guang)(guang)(guang)(guang)經過光(guang)(guang)(guang)(guang)纖(xian)送入調制器,使待測(ce)參(can)數與進入調制區的(de)光(guang)(guang)(guang)(guang)相互作(zuo)用后,導致光(guang)(guang)(guang)(guang)的(de)光(guang)(guang)(guang)(guang)學(xue)性質(如(ru)光(guang)(guang)(guang)(guang)的(de)強(qiang)度、波長、頻率、相位、偏正態等(deng))發生變化(hua),稱為被調制的(de)信號(hao)光(guang)(guang)(guang)(guang),在經過光(guang)(guang)(guang)(guang)纖(xian)送入光(guang)(guang)(guang)(guang)探(tan)測(ce)器,經解調后,獲得被測(ce)參(can)數。

  (二)應用方面

  1、KEYENCE基恩士光纖傳感器(qi)的(de)應用領(ling)域:

  KEYENCE基恩士光(guang)纖(xian)傳感器防止工業煙(yan)(yan)(yan)塵污染(ran)是(shi)環保(bao)的(de)(de)重(zhong)要任務之一(yi)。為了消除工業煙(yan)(yan)(yan)塵污染(ran),首先要知道煙(yan)(yan)(yan)塵排放(fang)量,因此必須(xu)對煙(yan)(yan)(yan)塵源進行監(jian)測(ce)、自(zi)動顯(xian)示和超標報警(jing)。煙(yan)(yan)(yan)道里(li)的(de)(de)煙(yan)(yan)(yan)塵濁(zhuo)度是(shi)用通過(guo)光(guang)在煙(yan)(yan)(yan)道里(li)傳輸(shu)過(guo)程中的(de)(de)變化(hua)大小來檢(jian)(jian)測(ce)的(de)(de)。如果煙(yan)(yan)(yan)道濁(zhuo)度增(zeng)加,光(guang)源發出(chu)的(de)(de)光(guang)被煙(yan)(yan)(yan)塵顆(ke)粒的(de)(de)吸收和折(zhe)射增(zeng)加,到達光(guang)檢(jian)(jian)測(ce)器的(de)(de)光(guang)減少,因而光(guang)檢(jian)(jian)測(ce)器輸(shu)出(chu)信(xin)號的(de)(de)強弱便(bian)可反映煙(yan)(yan)(yan)道濁(zhuo)度的(de)(de)變化(hua)。

  KEYENCE基恩士光(guang)(guang)(guang)纖傳感器(qi)在(zai)光(guang)(guang)(guang)電(dian)檢測(ce)(ce)和(he)(he)(he)自動控制方面的應用;光(guang)(guang)(guang)電(dian)池(chi)作(zuo)為(wei)光(guang)(guang)(guang)電(dian)探測(ce)(ce)使用時(shi),其(qi)基本原理(li)與光(guang)(guang)(guang)敏(min)二極管(guan)相同(tong),但它們的基本結構和(he)(he)(he)制造工(gong)藝不(bu)相同(tong)。由(you)于光(guang)(guang)(guang)電(dian)池(chi)工(gong)作(zuo)時(shi)不(bu)需要外加電(dian)壓;光(guang)(guang)(guang)電(dian)轉換效率高,光(guang)(guang)(guang)譜范圍寬,頻率特性好,噪聲低等,它已廣泛地用于光(guang)(guang)(guang)電(dian)讀出、光(guang)(guang)(guang)電(dian)耦(ou)合(he)、光(guang)(guang)(guang)柵測(ce)(ce)距(ju)、激光(guang)(guang)(guang)準直、電(dian)影還音(yin)、紫外光(guang)(guang)(guang)監(jian)視器(qi)和(he)(he)(he)燃氣輪機的熄火保(bao)護裝置(zhi)等。


 
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