邦納Banner光電傳感器由光通量對光電元件的作用原理不同所制成的光學(xué)測控系統(tǒng)是多種多樣的,按光電元件（光學(xué)測控系統(tǒng)）輸出量性質(zhì)可分二類,即模擬式光電傳感器和脈沖（開關(guān)）式光電傳感器.模擬式光電傳感器是將被測量轉(zhuǎn)換成連續(xù)變化的光電流,它與被測量間呈單值關(guān)系.

邦納Banner光電傳感器是采用光電元件作為檢測元件的傳感器。它首先把被測量的變化轉(zhuǎn)換成光信號的變化，然后借助光電元件進一步將光信號轉(zhuǎn)換成電信號。光電傳感器一般由光源、光學(xué)通路和光電元件三部分組成。
光電傳感器一般由光源、光學(xué)通路和光電元件3 部分組成。其基本原理是以光電效應(yīng)為基礎(chǔ)，把被測量的變化轉(zhuǎn)換成光信號的變化，然后借助光電元件進一步將光信號轉(zhuǎn)換成電信號。光電效應(yīng)是指用光照射某一物體，可以看作是一連串帶有一定能量為的光子轟擊在這個物體上，此時光子能量就傳遞給電子，并且是一個光子的全部能量一次性地被一個電子所吸收，電子得到光子傳遞的能量后其狀態(tài)就會發(fā)生變化，從而使受光照射的物體產(chǎn)生相應(yīng)的電效應(yīng)。通常把光電效應(yīng)分為3 類：（1 ）在光線作用下能使電子逸出物體表面的現(xiàn)象稱為外光電效應(yīng)，如光電管、光電倍增管等；（2 ）在光線作用下能使物體的電阻率改變的現(xiàn)象稱為內(nèi)光電效應(yīng)，如光敏電阻、光敏晶體管等；（3 ）在光線作用下，物體產(chǎn)生一定方向電動勢的現(xiàn)象稱為光生伏*應(yīng)，如光電池等。
邦納Banner光電傳感器由光通量對光電元件的作用原理不同所制成的光學(xué)測控系統(tǒng)是多種多樣的,按光電元件(光學(xué)測控系統(tǒng))輸出量性質(zhì)可分二類,即模擬式光電傳感器和脈沖(開關(guān))式光電傳感器.模擬式光電傳感器是將被測量轉(zhuǎn)換成連續(xù)變化的光電流,它與被測量間呈單值關(guān)系.模擬式光電傳感器按被測量(檢測目標物體)方法可分為透射(吸收)式,漫反射式,遮光式(光束阻檔)三大類.所謂透射式是指被測物體放在光路中,恒光源發(fā)出的光能量穿過被測物,部份被吸收后,透射光投射到光電元件上;所謂漫反射式是指恒光源發(fā)出的光投射到被測物上,再從被測物體表面反射后投射到光電元件上;所謂遮光式是指當光源發(fā)出的光通量經(jīng)被測物光遮其中一部份,使投射到光電元件上的光通量改變,改變的程度與被測物體在光路位置有關(guān).
工作原理
光電傳感器是通過把光強度的變化轉(zhuǎn)換成電信號的變化來實現(xiàn)控制的。
光電傳感器在一般情況下，有三部分構(gòu)成，它們分為：發(fā)送器、接收器和檢測電路。
發(fā)送器對準目標發(fā)射光束，發(fā)射的光束一般來源于半導(dǎo)體光源，發(fā)光二極管(LED)、激光二極管及紅外發(fā)射二極管。光束不間斷地發(fā)射，或者改變脈沖寬度。接收器有光電二極管、光電三極管、光電池組成。在接收器的前面，裝有光學(xué)元件如透鏡和光圈等。在其后面是檢測電路，它能濾出有效信號和應(yīng)用該信號。
此外，光電開關(guān)的結(jié)構(gòu)元件中還有發(fā)射板和光導(dǎo)纖維。
應(yīng)用
用光電元件作敏感元件的光電傳感器，其種類繁多，用途廣泛。按光電傳感器的輸出量性質(zhì)可分為兩類：（1 ）把被測量轉(zhuǎn)換成連續(xù)變化的光電流而制成的光電測量儀器，可用來測量光的強度以及物體的溫度、透光能力、位移及表面狀態(tài)等物理量。例如：測量光強的照度計，光電高溫計，光電比色計和濁度計，預(yù)防火災(zāi)的光電報警器，構(gòu)成檢查被加工零件的直徑、長度、橢圓度及表面粗糙度等自動檢測裝置和儀器，其敏感元件均用光電元件。半導(dǎo)體光電元件不僅在民用工業(yè)領(lǐng)域中得到廣泛的應(yīng)用，在軍事上更有它重要的地位。例如用硫化鉛光敏電阻可做成紅外夜視儀、紅外線照相儀及紅外線導(dǎo)航系統(tǒng)等；（2 ）把被測量轉(zhuǎn)換成繼續(xù)變化的光電流。利用光電元件在受光照或無光照射時" 有" 或"無"電信號輸出的特性制成的各種光電自動裝置。光電元件用作開關(guān)式光電轉(zhuǎn)換元件。例如電子計算機的光電輸入器，開關(guān)式溫度調(diào)節(jié)裝置及轉(zhuǎn)速測量數(shù)字式光電測速儀等。
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PBT43TMB5 PBT43TS PBT43TS PBT450UHT1 PBT450UHT1 PBT46TB5HF PBT46TB5HF PBT46TMB5
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PVD225QNA PVD225QNA-73490 PWS4100P PWS410P PWS4110P PWS4120P PWS4130P PWS4140P PWS4150P
PWS415P PWS4200P PWS420P PWS4250P PWS425P PWS4300P PWS430P PWS435P PWS43P PWS440P
PWS445P PWS450P PWS45P PWS460P PWS470P PWS47P PWS480P PWS490P PP4100P PP410P
PP4110P PP4120P PP4130P PP4140P PP4150P PP415P PP4200P PP420P PP4250P
PP425P PP4300P PP430P PP435P PP43P PP440P PP445P PP450P PP45P
PP460P PP470P PP47P PP480P PP490P PT4100P PT410P PT4110P PT4120P
PT4130P PT4140P PT4150P PT415P PT4200P PT420P PT4250P PT425P PT4300P
PT430P PT435P PT43P PT440P PT445P PT450P PT45P PT460P PT470P PT47P
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