*德國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裝置（也稱安全保護器、沖床保護器、紅外線安全保護裝置等）. 在現(xiàn)代化工廠里，人與機器協(xié)同工作，在一些具有潛在危險的機械設(shè)備上，如沖壓機械、剪切設(shè)備、金屬切削設(shè)備、自動化裝配線、自動化焊接線、機械傳送搬運設(shè)備、危險區(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，形成了一個保護網(wǎng)，當(dāng)是有物體進入保護網(wǎng)，當(dāng)從中有光線被物體擋住，通過內(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信號用于機床如沖床，壓力機等緊急剎車。 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門，則需要操作人員頻繁地開關(guān)防護門，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世紀新的經(jīng)濟增長點。微型化是建立在微電子機械系統(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20樓C2室

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