{"id":4079,"date":"2025-07-11T14:26:31","date_gmt":"2025-07-11T06:26:31","guid":{"rendered":"https:\/\/chnsensor.com\/?p=4079"},"modified":"2025-07-11T14:33:49","modified_gmt":"2025-07-11T06:33:49","slug":"the-basic-principle-of-a-float-switch","status":"publish","type":"post","link":"https:\/\/chnsensor.com\/pt\/the-basic-principle-of-a-float-switch\/float-level-switch\/","title":{"rendered":"O princ\u00edpio b\u00e1sico de uma chave boia"},"content":{"rendered":"<p class=\"has-foreground-color has-text-color has-link-color has-normal-font-size wp-elements-1 wp-block-paragraph\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">A <a href=\"https:\/\/chnsensor.com\/pt\/categoria-produto\/float-level-switch\/\">interruptor de n\u00edvel <\/a>\u00e9 um dispositivo simples e confi\u00e1vel para controle de n\u00edvel de l\u00edquido, amplamente utilizado em tanques de \u00e1gua, caixas d'\u00e1gua, tratamento de esgoto e outros sistemas. Seu princ\u00edpio de funcionamento baseia-se na boi\u00e2ncia e em um mecanismo de liga\u00e7\u00e3o mec\u00e2nica.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-normal-font-size\" style=\"padding-top:var(--wp--preset--spacing--30)\">1.<strong>Princ\u00edpio de funcionamento<\/strong><\/h2>\n\n\n\n<p class=\"has-foreground-color has-text-color has-link-color has-normal-font-size wp-elements-2 wp-block-paragraph\" style=\"padding-top:var(--wp--preset--spacing--20);padding-right:0;padding-bottom:0;padding-left:0\">Os componentes centrais de uma chave de n\u00edvel tipo boia incluem a boia, haste de conex\u00e3o (ou mecanismo magn\u00e9tico) e microinterruptor (ou chave reed). Seu processo de funcionamento \u00e9 o seguinte:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-normal-font-size\" style=\"padding-top:var(--wp--preset--spacing--10)\"><strong>Efeito de empuxo:<\/strong> A boia flutua para cima e para baixo conforme o n\u00edvel do l\u00edquido sobe e desce.<\/li>\n\n\n\n<li class=\"has-normal-font-size\" style=\"padding-top:var(--wp--preset--spacing--10)\"><strong>Acionador mec\u00e2nico ou magn\u00e9tico:<\/strong>\n<ul class=\"wp-block-list\">\n<li style=\"padding-top:var(--wp--preset--spacing--10)\"><strong>Tipo mec\u00e2nico:<\/strong> A esfera flutuante aciona o microinterruptor interno atrav\u00e9s da haste de conex\u00e3o para conectar ou desconectar o circuito quando o n\u00edvel do l\u00edquido atinge a altura definida.<\/li>\n\n\n\n<li style=\"padding-top:var(--wp--preset--spacing--10)\"><strong>Tipo de magneto:<\/strong> A boia \u00e9 equipada com um \u00edm\u00e3 interno. Quando o n\u00edvel do l\u00edquido muda, o \u00edm\u00e3 se aproxima ou se afasta do interruptor de l\u00e2mina, fazendo com que seus contatos fechem ou abram.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li class=\"has-normal-font-size\" style=\"padding-top:var(--wp--preset--spacing--10)\"><strong>Controle de circuito:<\/strong> Altera\u00e7\u00f5es no status do interruptor podem iniciar\/parar a bomba de \u00e1gua, o dispositivo de alarme ou outro atuador, obtendo controle autom\u00e1tico.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading has-normal-font-size\" style=\"padding-top:var(--wp--preset--spacing--30)\">2.<strong>Modo de trabalho<\/strong><\/h2>\n\n\n\n<p class=\"has-foreground-color has-text-color has-link-color has-normal-font-size wp-elements-3 wp-block-paragraph\" style=\"padding-top:var(--wp--preset--spacing--20);padding-right:0;padding-bottom:0;padding-left:0\">O interruptor de n\u00edvel de boia pode ser configurado com diferentes modos de trabalho conforme necess\u00e1rio. Os mais comuns incluem:<\/p>\n\n\n\n<p class=\"has-foreground-color has-text-color has-link-color has-normal-font-size wp-elements-4 wp-block-paragraph\" style=\"padding-top:var(--wp--preset--spacing--20);padding-bottom:0\">(1)<strong><strong>Controle de Ponto \u00danico (Modo B\u00e1sico)<\/strong><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-normal-font-size\" style=\"padding-top:var(--wp--preset--spacing--10);padding-bottom:0\"><strong>Normalmente Aberto (NA)<\/strong>Fecha o circuito quando o l\u00edquido sobe ao ponto de ajuste (por exemplo, liga uma bomba de drenagem).<\/li>\n\n\n\n<li class=\"has-normal-font-size\" style=\"padding-top:var(--wp--preset--spacing--10);padding-bottom:var(--wp--preset--spacing--10)\"><strong>Normalmente Fechado (NF)<\/strong>Abre o circuito quando o l\u00edquido atinge o ponto de ajuste (por exemplo, para uma bomba de enchimento).<\/li>\n<\/ul>\n\n\n\n<p class=\"has-foreground-color has-text-color has-link-color has-normal-font-size wp-elements-5 wp-block-paragraph\" style=\"padding-top:var(--wp--preset--spacing--20);padding-bottom:0\">(2)<strong><strong>Controle de Ponto Duplo (N\u00edvel Alto\/Baixo)<\/strong><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-normal-font-size\" style=\"padding-top:var(--wp--preset--spacing--10);padding-bottom:0\"><strong>Alarme de Baixo N\u00edvel<\/strong>Ativa um alarme ou aciona o enchimento quando o n\u00edvel do l\u00edquido cai abaixo do n\u00edvel m\u00ednimo.<\/li>\n\n\n\n<li class=\"has-normal-font-size\" style=\"padding-top:var(--wp--preset--spacing--10);padding-bottom:var(--wp--preset--spacing--10)\"><strong>Alarme de N\u00edvel Alto<\/strong>Aciona um alarme ou interrompe o enchimento quando o l\u00edquido excede o n\u00edvel m\u00e1ximo para evitar transbordamento.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-foreground-color has-text-color has-link-color has-normal-font-size wp-elements-6 wp-block-paragraph\" style=\"padding-top:var(--wp--preset--spacing--20);padding-bottom:0\">(3)<strong>Controle multiponto (tipo personalizado)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-normal-font-size\" style=\"padding-top:var(--wp--preset--spacing--10);padding-bottom:0\">Utiliza m\u00faltiplos flutuadores ou chaves ajust\u00e1veis para obter monitoramento em m\u00faltiplos est\u00e1gios (por exemplo, alarme de n\u00edvel baixo, manuten\u00e7\u00e3o de n\u00edvel m\u00e9dio, desligamento de n\u00edvel alto).<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading has-foreground-color has-text-color has-link-color has-normal-font-size wp-elements-7\" style=\"padding-top:var(--wp--preset--spacing--20)\">3.<strong>Vantagens da aplica\u00e7\u00e3o<\/strong><\/h2>\n\n\n\n<p class=\"has-foreground-color has-text-color has-link-color has-normal-font-size wp-elements-8 wp-block-paragraph\" style=\"padding-top:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--10)\">(1)<strong>N\u00e3o requer energia externa<\/strong>: Baseia-se em atua\u00e7\u00e3o mec\u00e2nica\/magn\u00e9tica para opera\u00e7\u00e3o segura e confi\u00e1vel.<\/p>\n\n\n\n<p class=\"has-foreground-color has-text-color has-link-color has-normal-font-size wp-elements-9 wp-block-paragraph\" style=\"padding-top:0;padding-bottom:0\">(2)<strong>Forte Resist\u00eancia \u00e0 Interfer\u00eancia<\/strong>Funciona com \u00e1gua, \u00f3leo, l\u00edquidos corrosivos e outras m\u00eddias.<\/p>\n\n\n\n<p class=\"has-foreground-color has-text-color has-link-color has-normal-font-size wp-elements-10 wp-block-paragraph\" style=\"padding-top:var(--wp--preset--spacing--10);padding-bottom:0\">(3)<strong>Instala\u00e7\u00e3o Flex\u00edvel<\/strong>: Pode ser montado horizontalmente ou verticalmente para se adequar a diferentes estruturas de tanque.<\/p>\n\n\n\n<p class=\"has-foreground-color has-text-color has-link-color has-normal-font-size wp-elements-11 wp-block-paragraph\" style=\"padding-top:var(--wp--preset--spacing--10);padding-bottom:0\">(4)<strong>F\u00e1cil manuten\u00e7\u00e3o<\/strong>: Em eletr\u00f4nicos complexos, garantindo longa vida \u00fatil e baixo custo.<\/p>\n\n\n\n<p class=\"has-foreground-color has-text-color has-link-color has-normal-font-size wp-elements-12 wp-block-paragraph\" style=\"padding-top:var(--wp--preset--spacing--30);padding-right:0;padding-bottom:0;padding-left:0\">Com sua estabilidade e custo-benef\u00edcio, os interruptores de n\u00edvel de boia s\u00e3o a solu\u00e7\u00e3o preferida para controle de n\u00edvel de l\u00edquido tanto em automa\u00e7\u00e3o industrial quanto em aplica\u00e7\u00f5es residenciais.<\/p>\n\n\n\n<p class=\"has-foreground-color has-text-color has-link-color has-normal-font-size wp-elements-13 wp-block-paragraph\" style=\"padding-top:var(--wp--preset--spacing--30);padding-right:0;padding-bottom:0;padding-left:0\">     Se precisar de mais detalhes sobre o produto ou quiser aproveitar uma oferta por tempo limitado, entre em contato conosco!<\/p>\n\n\n\n<ul class=\"wp-block-social-links has-huge-icon-size has-visible-labels is-style-default is-horizontal is-content-justification-center is-layout-flex wp-container-core-social-links-is-layout-c16badc5 wp-block-social-links-is-layout-flex\" style=\"border-style:none;border-width:0px;margin-top:var(--wp--preset--spacing--30);margin-right:0;margin-bottom:var(--wp--preset--spacing--30);margin-left:0\"><li class=\"wp-social-link wp-social-link-whatsapp wp-block-social-link\"><a href=\"https:\/\/wa.me\/008613928231282\" class=\"wp-block-social-link-anchor\"><svg width=\"24\" height=\"24\" viewbox=\"0 0 24 24\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M 12.011719 2 C 6.5057187 2 2.0234844 6.478375 2.0214844 11.984375 C 2.0204844 13.744375 2.4814687 15.462563 3.3554688 16.976562 L 2 22 L 7.2324219 20.763672 C 8.6914219 21.559672 10.333859 21.977516 12.005859 21.978516 L 12.009766 21.978516 C 17.514766 21.978516 21.995047 17.499141 21.998047 11.994141 C 22.000047 9.3251406 20.962172 6.8157344 19.076172 4.9277344 C 17.190172 3.0407344 14.683719 2.001 12.011719 2 z M 12.009766 4 C 14.145766 4.001 16.153109 4.8337969 17.662109 6.3417969 C 19.171109 7.8517969 20.000047 9.8581875 19.998047 11.992188 C 19.996047 16.396187 16.413812 19.978516 12.007812 19.978516 C 10.674812 19.977516 9.3544062 19.642812 8.1914062 19.007812 L 7.5175781 18.640625 L 6.7734375 18.816406 L 4.8046875 19.28125 L 5.2851562 17.496094 L 5.5019531 16.695312 L 5.0878906 15.976562 C 4.3898906 14.768562 4.0204844 13.387375 4.0214844 11.984375 C 4.0234844 7.582375 7.6067656 4 12.009766 4 z M 8.4765625 7.375 C 8.3095625 7.375 8.0395469 7.4375 7.8105469 7.6875 C 7.5815469 7.9365 6.9355469 8.5395781 6.9355469 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10.223156 9.5390625 9.737625 8.3065 9.515625 7.8125 C 9.328625 7.3975 9.131125 7.3878594 8.953125 7.3808594 C 8.808125 7.3748594 8.6425625 7.375 8.4765625 7.375 z\"><\/path><\/svg><span class=\"wp-block-social-link-label\">WhatsApp<\/span><\/a><\/li>\n\n<li class=\"wp-social-link wp-social-link-mail wp-block-social-link\"><a href=\"https:\/\/chnsensor.com\/pt\/contact-us\/\" class=\"wp-block-social-link-anchor\"><svg width=\"24\" height=\"24\" viewbox=\"0 0 24 24\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M19,5H5c-1.1,0-2,.9-2,2v10c0,1.1.9,2,2,2h14c1.1,0,2-.9,2-2V7c0-1.1-.9-2-2-2zm.5,12c0,.3-.2.5-.5.5H5c-.3,0-.5-.2-.5-.5V9.8l7.5,5.6,7.5-5.6V17zm0-9.1L12,13.6,4.5,7.9V7c0-.3.2-.5.5-.5h14c.3,0,.5.2.5.5v.9z\"><\/path><\/svg><span class=\"wp-block-social-link-label\">E-mail<\/span><\/a><\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>The float switch is a simple and reliable liquid level control device, widely used in water tanks, water towers, sewage treatment and other systems. Its working principle is based on the principle of buoyancy and mechanical linkage mechanism. 1.Working principle The core components of a float level switch include the float, connecting rod (or magnetic [&hellip;]<\/p>\n","protected":false},"author":255630761,"featured_media":2498,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","_thinkrank_schema_form_data":"","_thinkrank_selected_schema_type":"","_thinkrank_additional_schemas":"","_thinkrank_canonical_url":"","_thinkrank_og_title":"","_thinkrank_og_description":"","_thinkrank_og_image":"","_thinkrank_twitter_title":"","_thinkrank_twitter_description":"","_thinkrank_twitter_image":"","_thinkrank_imported_from":"","_thinkrank_focus_keywords":[],"_thinkrank_focus_keyword":"","_thinkrank_robots_meta_enabled":0,"_thinkrank_robots_meta":"","_thinkrank_advanced_robots_meta":"","_thinkrank_primary_category":0,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_wpcom_ai_launchpad_first_post":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"enabled":false},"version":2},"_wpas_customize_per_network":false,"jetpack_post_was_ever_published":false},"categories":[132684,132733],"tags":[],"class_list":["post-4079","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-float-level-switch","category-technical-support"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - 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