LJ16A3-5-Z/AY接近開(kāi)關(guān)
接近開(kāi)關(guān)分類(lèi)及結(jié)構(gòu)
接近開(kāi)關(guān)的作用是當(dāng)某物體與接近開(kāi)關(guān)接近并達(dá)到一定距離時(shí),能發(fā)出信號(hào)。它不需要外力施加,是一種無(wú)觸點(diǎn)式的主令電器。它的用途已遠(yuǎn)遠(yuǎn)超出行程開(kāi)關(guān)所具備的行程控制及限位保護(hù)。接近開(kāi)關(guān)可用于高速計(jì)數(shù)、檢測(cè)金屬體的存在、測(cè)速、液位控制、檢測(cè)零件尺寸以及用作無(wú)觸點(diǎn)式按鈕等。就目前應(yīng)用較為廣泛的接近開(kāi)關(guān)按工作原理可以分為以下幾種類(lèi)型:
高頻振蕩型:用以檢測(cè)各種金屬體
電容型:用以檢測(cè)各種導(dǎo)電或不導(dǎo)電的液體或固體
光電型:用以檢測(cè)所有不透光物質(zhì)
超聲波型:用以檢測(cè)不透過(guò)超聲波的物質(zhì)
電磁感應(yīng)型:用以檢測(cè)導(dǎo)磁或不導(dǎo)磁金屬
按其外型形狀可分為園柱型、方型、溝型、穿孔(貫通)型和分離型。園柱型比方型安裝方便,但其檢測(cè)特性相同,溝型的檢測(cè)部位是在槽內(nèi)側(cè),用于檢測(cè)通過(guò)槽內(nèi)的物體,貫通型在我國(guó)很少生產(chǎn),而日本則應(yīng)用較為普遍,可用于小螺釘或滾珠之類(lèi)的小零件和浮標(biāo)組裝成水位檢測(cè)裝置等。 LJ16A3-5-Z/AY接近開(kāi)關(guān)/電感式接近傳感器LJ16A3-5-Z/AY接近開(kāi)關(guān)/電感式接近傳感器LJ16A3-5-Z/AY接近開(kāi)關(guān)/電感式接近傳感器LJ16A3-5-Z/AY接近開(kāi)關(guān)/電感式接近傳感器LJ16A3-5-Z/AY接近開(kāi)關(guān)/電感式接近傳感器
圓柱形電感式接近開(kāi)關(guān)
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LJ16A3-5-Z/AY
LJ16A3-5-Z/AY接近開(kāi)關(guān)
LJ16A35Z/AY