{"id":15023,"date":"2024-12-23T20:21:09","date_gmt":"2024-12-23T12:21:09","guid":{"rendered":"https:\/\/lorentzzi.com\/?p=15023"},"modified":"2025-07-07T10:20:34","modified_gmt":"2025-07-07T02:20:34","slug":"how-capacitive-proximity-sensors-work-the-ultimate-guide","status":"publish","type":"post","link":"https:\/\/lorentzzi.com\/pt\/how-capacitive-proximity-sensors-work-the-ultimate-guide\/","title":{"rendered":"Como funcionam os sensores de proximidade capacitivos: O guia definitivo"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"15023\" class=\"elementor elementor-15023\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cf38226 e-flex e-con-boxed e-con e-parent\" data-id=\"cf38226\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-306e151 elementor-widget elementor-widget-text-editor\" data-id=\"306e151\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Conforme mencionado em nosso <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/pt\/the-inductive-sensors-working-principle-and-applications\/\"><span style=\"font-weight: 400;\">publica\u00e7\u00e3o recente no blog<\/span><\/a><\/span><span style=\"font-weight: 400;\">, <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/pt\/sensor-de-proximidade-indutivo\/\"><span style=\"font-weight: 400;\">sensores de proximidade indutivos<\/span><\/a><\/span><span style=\"font-weight: 400;\"> s\u00e3o amplamente utilizados para detectar objetos de metal, mas o que voc\u00ea deve fazer ao considerar a detec\u00e7\u00e3o de vidro ou pl\u00e1stico? A resposta \u00e9 usar <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/pt\/sensor-de-proximidade-capacitivo\/\"><span style=\"font-weight: 400;\">sensores de proximidade capacitivos<\/span><\/a><\/span><span style=\"font-weight: 400;\">. Voc\u00ea quer saber como funcionam os sensores de proximidade capacitivos? Neste artigo, voc\u00ea encontrar\u00e1 a resposta. Agora vamos come\u00e7ar.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3cb2fa4 elementor-widget elementor-widget-heading\" data-id=\"3cb2fa4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">O que \u00e9 um sensor de proximidade capacitivo?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-68ba00e eael-product-grid-column-4 elementor-widget elementor-widget-eicon-woocommerce\" data-id=\"68ba00e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"eicon-woocommerce.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n        <div class=\"eael-product-grid eael-product-simple grid\" id=\"eael-product-grid\" data-widget-id=\"68ba00e\" data-page-id=\"15023\" data-nonce=\"79719ded85\" >\n            <div class=\"woocommerce\">\n                <ul class=\"products eael-post-appender eael-post-appender-68ba00e\" data-ssi-desktop=\"no\" data-ssi-tablet=\"no\" data-ssi-mobile=\"no\" data-layout-mode=\"grid\"> <li class=\"product\">\n<div class=\"eael-product-wrap\" data-src=\"\" data-src-hover=\"\">\n    <a href=\"https:\/\/lorentzzi.com\/pt\/products\/proximity-sensor\/capacitive-proximity-sensor\/analog-capacitive-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/11\/Analog-capacitive-sensor-1-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail wvs-archive-product-image\" alt=\"Sensor capacitivo anal\u00f3gico-1\" loading=\"eager\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/11\/Analog-capacitive-sensor-1-300x300.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/11\/Analog-capacitive-sensor-1-150x150.jpg 150w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/11\/Analog-capacitive-sensor-1-600x600.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/11\/Analog-capacitive-sensor-1-100x100.jpg 100w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/11\/Analog-capacitive-sensor-1-64x64.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/11\/Analog-capacitive-sensor-1.jpg 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><div class=\"eael-product-title\">\n    <a href=\"https:\/\/lorentzzi.com\/pt\/products\/proximity-sensor\/capacitive-proximity-sensor\/analog-capacitive-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><h3 class=\"woocommerce-loop-product__title\">Sensor capacitivo anal\u00f3gico<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/pt\/products\/proximity-sensor\/capacitive-proximity-sensor\/analog-capacitive-sensor\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_12977\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"12977\" data-product_sku=\"\" aria-label=\"Leia mais sobre \u201cAnalog Capacitive Sensor\u201d\" rel=\"nofollow\" data-success_message=\"\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Leia mais<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_12977\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n    \n<\/div>\n\n<\/li> <li class=\"product\">\n<div class=\"eael-product-wrap\" data-src=\"\" data-src-hover=\"\">\n    <a href=\"https:\/\/lorentzzi.com\/pt\/products\/proximity-sensor\/capacitive-proximity-sensor\/m30-capacitive-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/11\/M30-capacitive-sensor-a-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail wvs-archive-product-image\" alt=\"Sensor capacitivo M30 - um\" loading=\"eager\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/11\/M30-capacitive-sensor-a-300x300.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/11\/M30-capacitive-sensor-a-150x150.jpg 150w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/11\/M30-capacitive-sensor-a-600x600.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/11\/M30-capacitive-sensor-a-100x100.jpg 100w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/11\/M30-capacitive-sensor-a-64x64.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/11\/M30-capacitive-sensor-a.jpg 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><div class=\"eael-product-title\">\n    <a href=\"https:\/\/lorentzzi.com\/pt\/products\/proximity-sensor\/capacitive-proximity-sensor\/m30-capacitive-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><h3 class=\"woocommerce-loop-product__title\">Sensor capacitivo M30<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/pt\/products\/proximity-sensor\/capacitive-proximity-sensor\/m30-capacitive-sensor\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_12950\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"12950\" data-product_sku=\"\" aria-label=\"Leia mais sobre \u201cM30 Capacitive Sensor\u201d\" rel=\"nofollow\" data-success_message=\"\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Leia mais<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_12950\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n    \n<\/div>\n\n<\/li> <li class=\"product\">\n<div class=\"eael-product-wrap\" data-src=\"\" data-src-hover=\"\">\n    <a href=\"https:\/\/lorentzzi.com\/pt\/products\/proximity-sensor\/capacitive-proximity-sensor\/m8-capacitive-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/11\/M8-capacitive-sensor-1-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail wvs-archive-product-image\" alt=\"Sensor capacitivo M8-1\" loading=\"eager\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/11\/M8-capacitive-sensor-1-300x300.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/11\/M8-capacitive-sensor-1-150x150.jpg 150w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/11\/M8-capacitive-sensor-1-600x600.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/11\/M8-capacitive-sensor-1-100x100.jpg 100w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/11\/M8-capacitive-sensor-1-64x64.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/11\/M8-capacitive-sensor-1.jpg 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><div class=\"eael-product-title\">\n    <a href=\"https:\/\/lorentzzi.com\/pt\/products\/proximity-sensor\/capacitive-proximity-sensor\/m8-capacitive-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><h3 class=\"woocommerce-loop-product__title\">Sensor capacitivo M8<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/pt\/products\/proximity-sensor\/capacitive-proximity-sensor\/m8-capacitive-sensor\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_12940\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"12940\" data-product_sku=\"\" aria-label=\"Leia mais sobre \u201cM8 Capacitive Sensor\u201d\" rel=\"nofollow\" data-success_message=\"\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Leia mais<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_12940\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n    \n<\/div>\n\n<\/li> <li class=\"product\">\n<div class=\"eael-product-wrap\" data-src=\"\" data-src-hover=\"\">\n    <a href=\"https:\/\/lorentzzi.com\/pt\/products\/proximity-sensor\/capacitive-proximity-sensor\/m18-capacitive-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/02\/CM18-1-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail wvs-archive-product-image\" alt=\"Chave de sensor de proximidade capacitivo M18\" loading=\"eager\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/02\/CM18-1-300x300.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/02\/CM18-1-150x150.jpg 150w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/02\/CM18-1-600x600.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/02\/CM18-1-100x100.jpg 100w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/02\/CM18-1-64x64.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2023\/02\/CM18-1.jpg 640w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><div class=\"eael-product-title\">\n    <a href=\"https:\/\/lorentzzi.com\/pt\/products\/proximity-sensor\/capacitive-proximity-sensor\/m18-capacitive-sensor\/\" class=\"woocommerce-LoopProduct-link woocommerce-loop-product__link\"><h3 class=\"woocommerce-loop-product__title\">Sensor capacitivo M18<\/h3><\/a>\n    <\/div>    <a href=\"https:\/\/lorentzzi.com\/pt\/products\/proximity-sensor\/capacitive-proximity-sensor\/m18-capacitive-sensor\/\" aria-describedby=\"woocommerce_loop_add_to_cart_link_describedby_7007\" data-quantity=\"1\" class=\"button product_type_simple\" data-product_id=\"7007\" data-product_sku=\"\" aria-label=\"Leia mais sobre \u201cM18 Capacitive Sensor\u201d\" rel=\"nofollow\" data-success_message=\"\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Leia mais<\/a>\t<span id=\"woocommerce_loop_add_to_cart_link_describedby_7007\" class=\"screen-reader-text\">\n\t\t\t<\/span>\n    \n<\/div>\n\n<\/li><\/ul>            <\/div>\n        <\/div>\n\n        <script type=\"text\/javascript\">\n            jQuery(document).ready(function($) {\n                var $scope = jQuery(\".elementor-element-68ba00e\");\n                var $products = $('.products', $scope);\n                var $layout_mode = $products.data('layout-mode');\n                \n                if ( $layout_mode === 'masonry' ) {\n                    \/\/ init isotope\n                    var $isotope_products = $products.isotope({\n                        itemSelector: \"li.product\",\n                        layoutMode: $layout_mode,\n                        percentPosition: true\n                    });\n\n                    $isotope_products.imagesLoaded().progress( function() {\n                        $isotope_products.isotope('layout');\n                    })\n                    \n                }\n            });\n        <\/script>\n        \t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-52fcf50 elementor-widget elementor-widget-text-editor\" data-id=\"52fcf50\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Os sensores de proximidade capacitivos s\u00e3o um novo tipo de chave sem contato, amplamente utilizado no controle industrial para realizar fun\u00e7\u00f5es quando um objeto est\u00e1 dentro de sua faixa de detec\u00e7\u00e3o, como detec\u00e7\u00e3o de n\u00edvel de l\u00edquido, contagem do n\u00famero de objetos em m\u00e1quinas de produ\u00e7\u00e3o etc.<\/span><\/p><p><span style=\"font-weight: 400;\">Agora que acreditamos que voc\u00ea tem uma compreens\u00e3o geral dos sensores capacitivos, na pr\u00f3xima se\u00e7\u00e3o, explicaremos em detalhes como eles funcionam.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cf6a1cd elementor-widget elementor-widget-heading\" data-id=\"cf6a1cd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Como funcionam os sensores de proximidade capacitivos?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d908122 elementor-widget elementor-widget-video\" data-id=\"d908122\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/youtu.be\\\/jCzEVNIkFmc?si=1h0Jwig7IK1YxdC6&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-38a423b elementor-widget elementor-widget-text-editor\" data-id=\"38a423b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">A chave de proximidade capacitiva \u00e9 um sensor sem contato que usa altera\u00e7\u00f5es de capacit\u00e2ncia para detectar objetos. Ele consiste em duas placas condutoras e detecta a proximidade de um objeto alterando a constante diel\u00e9trica ou a dist\u00e2ncia.\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a05c0e2 elementor-widget elementor-widget-image\" data-id=\"a05c0e2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"768\" height=\"384\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2024\/12\/Composition-and-oscillation-curve-of-capacitive-proxmity-sensor-768x384.jpg\" class=\"attachment-medium_large size-medium_large wp-image-15021\" alt=\"Composi\u00e7\u00e3o e curva de oscila\u00e7\u00e3o do sensor de proximidade capacitivo\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2024\/12\/Composition-and-oscillation-curve-of-capacitive-proxmity-sensor-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2024\/12\/Composition-and-oscillation-curve-of-capacitive-proxmity-sensor-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2024\/12\/Composition-and-oscillation-curve-of-capacitive-proxmity-sensor-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2024\/12\/Composition-and-oscillation-curve-of-capacitive-proxmity-sensor-64x32.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2024\/12\/Composition-and-oscillation-curve-of-capacitive-proxmity-sensor.jpg 1024w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2d5e732 elementor-widget elementor-widget-text-editor\" data-id=\"2d5e732\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">A frequ\u00eancia do circuito de oscila\u00e7\u00e3o interna muda com a capacit\u00e2ncia, que \u00e9 convertida em um sinal el\u00e9trico, amplificada e processada e, em seguida, emite um sinal digital ou anal\u00f3gico para controlar outros dispositivos.\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-542377a elementor-widget elementor-widget-heading\" data-id=\"542377a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Vantagens e desvantagens dos sensores de proximidade capacitivos<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-43210f9 elementor-widget elementor-widget-image\" data-id=\"43210f9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"768\" height=\"384\" src=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2024\/12\/Use-capacitive-sensor-to-detect-dust-768x384.jpg\" class=\"attachment-medium_large size-medium_large wp-image-15022\" alt=\"Use o sensor capacitivo para detectar poeira\" srcset=\"https:\/\/lorentzzi.com\/wp-content\/uploads\/2024\/12\/Use-capacitive-sensor-to-detect-dust-768x384.jpg 768w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2024\/12\/Use-capacitive-sensor-to-detect-dust-300x150.jpg 300w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2024\/12\/Use-capacitive-sensor-to-detect-dust-600x300.jpg 600w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2024\/12\/Use-capacitive-sensor-to-detect-dust-64x32.jpg 64w, https:\/\/lorentzzi.com\/wp-content\/uploads\/2024\/12\/Use-capacitive-sensor-to-detect-dust.jpg 1024w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-877fc7e elementor-widget elementor-widget-text-editor\" data-id=\"877fc7e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">A maior vantagem dos sensores de proximidade capacitivos \u00e9 que seus materiais de detec\u00e7\u00e3o n\u00e3o se limitam a objetos met\u00e1licos, mas tamb\u00e9m podem ser usados para detectar objetos n\u00e3o met\u00e1licos, como tecidos, papel, l\u00edquidos, vidro, madeira, poeira etc. Al\u00e9m disso, os sensores capacitivos tamb\u00e9m t\u00eam as vantagens do baixo custo, do tempo de resposta r\u00e1pido e da n\u00e3o necessidade de detec\u00e7\u00e3o de toque.<\/span><\/p><p><span style=\"font-weight: 400;\">Como mencionado acima, ele pode detectar poeira, portanto, se o ambiente estiver cheio de poeira e n\u00e3o estiver t\u00e3o limpo, ele causar\u00e1 uma a\u00e7\u00e3o falsa, portanto, a desvantagem \u00f3bvia \u00e9 que ele precisa ser instalado em um ambiente limpo e requer manuten\u00e7\u00e3o regular. Outra desvantagem \u00e9 que, se houver muito ru\u00eddo gerado por equipamentos el\u00e9tricos, como geradores de campo el\u00e9trico, nas proximidades, isso tamb\u00e9m afetar\u00e1 o desempenho dos sensores capacitivos. A solu\u00e7\u00e3o \u00e9 tentar usar um <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/pt\/sensor-fotoeletrico-2\/\"><span style=\"font-weight: 400;\">sensor fotoel\u00e9trico<\/span><\/a><\/span><span style=\"font-weight: 400;\"> em vez disso, ou instale-o em um compartimento blindado.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-44c7566 elementor-widget elementor-widget-heading\" data-id=\"44c7566\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Aplica\u00e7\u00f5es de sensores de proximidade capacitivos<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9b2233e elementor-widget elementor-widget-text-editor\" data-id=\"9b2233e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Os sensores de proximidade capacitivos podem ser amplamente utilizados na contagem de objetos, posicionamento de posi\u00e7\u00e3o e medi\u00e7\u00e3o de espessura, detec\u00e7\u00e3o de n\u00edvel de l\u00edquido de bebidas engarrafadas, posicionamento de wafer e medi\u00e7\u00e3o de espessura, maquin\u00e1rio de embalagem, controle de posi\u00e7\u00e3o de impress\u00e3o e assim por diante.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-97c8f07 elementor-widget elementor-widget-heading\" data-id=\"97c8f07\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Conclus\u00e3o<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-17e158c elementor-widget elementor-widget-text-editor\" data-id=\"17e158c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Em resumo, o princ\u00edpio de funcionamento dos sensores de proximidade capacitivos se baseia na <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/en.wikipedia.org\/wiki\/Electric_field\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">efeito de campo el\u00e9trico<\/span><\/a><\/span><span style=\"font-weight: 400;\">. O princ\u00edpio de funcionamento dos sensores capacitivos \u00e9 semelhante ao dos capacitores comuns. Quando o objeto-alvo se aproxima do sensor, a capacit\u00e2ncia do sensor muda, afetando assim o circuito de oscila\u00e7\u00e3o e realizando a detec\u00e7\u00e3o do objeto.<\/span><\/p><p><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/lorentzzi.com\/pt\/\"><span style=\"font-weight: 400;\">Lorentzzi<\/span><\/a><\/span><span style=\"font-weight: 400;\">Como um dos fabricantes de sensores de proximidade capacitivos na China, podemos produzir sensores capacitivos com dist\u00e2ncia de detec\u00e7\u00e3o de 2,0 mm a 25,0 mm, as sa\u00eddas podem ser transistores PNP e NPN ou sa\u00eddas de rel\u00e9. Se precisar de nosso suporte t\u00e9cnico ou de um produto espec\u00edfico, envie um e-mail para <\/span><span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"mailto:shonxu@lorentzzi.com\"><span style=\"font-weight: 400;\">shonxu@lorentzzi.com<\/span><\/a><\/span><span style=\"font-weight: 400;\">.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>As mentioned in our recent published blog post, inductive proximity sensors are widely used to detect metal objects, but what should you do when considering detecting glass or plastic? The answer is to use capacitive proximity sensors. Do you want to know how capacitive proximity sensors work? In this article, you will find the answer. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":15020,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[110],"tags":[],"class_list":["post-15023","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sensor","desktop-align-center","tablet-align-left","mobile-align-left"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.0 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How Capacitive Proximity Sensors Work: The Ultimate Guide<\/title>\n<meta name=\"description\" content=\"This article will give you a comprehensive introduction to the working principle of capacitive proximity sensors. 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