*德國(guó)SICK施克傳感器光幕發(fā)射器安全光幕也就是光電安全保護(hù)裝置（也稱安全保護(hù)器、沖床保護(hù)器、紅外線安全保護(hù)裝置等）. 在現(xiàn)代化工廠里，人與機(jī)器協(xié)同工作，在一些具有潛在危險(xiǎn)的機(jī)械設(shè)備上，如沖壓機(jī)械、剪切設(shè)備、金屬切削設(shè)備、自動(dòng)化裝配線、自動(dòng)化焊接線、機(jī)械傳送搬運(yùn)設(shè)備、危險(xiǎn)區(qū)域（有毒、高壓、高溫等），容易造成作業(yè)人員的人身傷害。安全光幕由投光器和受光器兩部分組成。投光器發(fā)射出調(diào)制的紅外光，由受光器接收，形成了一個(gè)保護(hù)網(wǎng)，當(dāng)是有物體進(jìn)入保護(hù)網(wǎng)，當(dāng)從中有光線被物體擋住，通過(guò)內(nèi)部控制線路，受光器電路馬上作出反應(yīng)，即在輸出部分輸出一個(gè)信號(hào)用于機(jī)床如沖床，壓力機(jī)等緊急剎車。 光幕有著非常廣泛的應(yīng)用，比如在需要不斷送取料的沖壓設(shè)備上，如果安裝接觸式安全防護(hù)門(mén)，則需要操作人員頻繁地開(kāi)關(guān)防護(hù)門(mén)，這樣不但增加了操作人員的工作量，而且降低了生產(chǎn)效率。在這種情況下，采用光柵和光幕就是*的選擇。

傳感器的特點(diǎn)包括：微型化、數(shù)字化、智能化、多功能化、系統(tǒng)化、網(wǎng)絡(luò)化，它不僅促進(jìn)了傳統(tǒng)產(chǎn)業(yè)的改造和更新?lián)Q代，而且還可能建立新型工業(yè)，從而成為21世紀(jì)新的經(jīng)濟(jì)增長(zhǎng)點(diǎn)。微型化是建立在微電子機(jī)械系統(tǒng)（MEMS）技術(shù)基礎(chǔ)上的，目前已成功應(yīng)用在硅器件上做成硅壓力傳感器。

：董佳

：

地址：上海市黃浦區(qū)北京東路科技京城東樓668號(hào)20樓C2室

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