{"id":1583,"date":"2026-08-18T13:40:43","date_gmt":"2026-08-18T05:40:43","guid":{"rendered":"https:\/\/sunfre.com\/loop-detector-integration-barrier-gates-pt-tmp\/"},"modified":"2026-08-31T15:49:34","modified_gmt":"2026-08-31T07:49:34","slug":"loop-detector-integration-barrier-gates","status":"publish","type":"page","link":"https:\/\/sunfre.com\/pt-pt\/loop-detector-integration-barrier-gates\/","title":{"rendered":"Integra\u00e7\u00e3o de Detetores de La\u00e7o com Barreiras Autom\u00e1ticas"},"content":{"rendered":"<p>Um <a href=\"https:\/\/sunfre.com\/product-category\/vehicle-loop-detector\/\">detector de la\u00e7o para ve\u00edculos<\/a> \u00e9 um la\u00e7o de fio enterrado que deteta um carro pela altera\u00e7\u00e3o de indut\u00e2ncia quando o metal passa por cima. Emparelhado com uma <a href=\"https:\/\/sunfre.com\/product-category\/high-speed-barrier-gate\/\">barreira autom\u00e1tica<\/a>, automatiza a dete\u00e7\u00e3o de chegada e impede que o bra\u00e7o feche sobre um ve\u00edculo.<\/p>\n<h2>Como funciona um detector de la\u00e7o<\/h2>\n<p>O la\u00e7o \u00e9 cortado no pavimento e sintonizado com a placa do detetor. Quando entra um ve\u00edculo, a indut\u00e2ncia desce e o detetor envia um sinal de rel\u00e9 ao controlador da barreira. Duas configura\u00e7\u00f5es comuns s\u00e3o um <a href=\"https:\/\/sunfre.com\/product-category\/vehicle-loop-detector\/single-loop-detector\/\">la\u00e7o simples<\/a> (apenas presen\u00e7a) e um <a href=\"https:\/\/sunfre.com\/product-category\/vehicle-loop-detector\/double-loop-detector\/\">la\u00e7o duplo<\/a> (presen\u00e7a mais dire\u00e7\u00e3o).<\/p>\n<h2>Por que integrar la\u00e7os com barreiras<\/h2>\n<ul>\n<li><strong>Seguran\u00e7a:<\/strong> o bra\u00e7o n\u00e3o descer\u00e1 enquanto um carro ocupar o la\u00e7o de sa\u00edda.<\/li>\n<li><strong>Automa\u00e7\u00e3o:<\/strong> a barreira abre \u00e0 chegada sem um bot\u00e3o manual.<\/li>\n<li><strong>Contagem:<\/strong> la\u00e7os duplos podem contar entradas e sa\u00eddas para dados de ocupa\u00e7\u00e3o.<\/li>\n<\/ul>\n<h2>Notas de instala\u00e7\u00e3o<\/h2>\n<p>Os la\u00e7os s\u00e3o colocados mesmo antes e logo ap\u00f3s o bra\u00e7o. La\u00e7os cortados com serra devem ser selados corretamente e mantidos livres de armadura onde poss\u00edvel. Para locais onde cortar o pavimento \u00e9 imposs\u00edvel, os sensores de presen\u00e7a sem fios ou de radar s\u00e3o uma alternativa.<\/p>\n<p>Para um enquadramento de sele\u00e7\u00e3o completo, veja o nosso <a href=\"https:\/\/sunfre.com\/pt-pt\/barrier-gates-guide\/\">guia de barreiras autom\u00e1ticas<\/a> e a <a href=\"https:\/\/sunfre.com\/pt-pt\/access-control-applications\/\">vis\u00e3o geral de aplica\u00e7\u00f5es<\/a>.<\/p>\n<h2>Perguntas Frequentes<\/h2>\n<h3>O que faz um detector de la\u00e7o para ve\u00edculos?<\/h3>\n<p>Deteta um ve\u00edculo por uma altera\u00e7\u00e3o de indut\u00e2ncia quando o metal passa sobre um la\u00e7o de fio enterrado e, em seguida, sinaliza o controlador da barreira.<\/p>\n<h3>Por que usar um la\u00e7o duplo em vez de um simples?<\/h3>\n<p>Um la\u00e7o duplo acrescenta dete\u00e7\u00e3o de dire\u00e7\u00e3o e contagem de ve\u00edculos, enquanto um la\u00e7o simples apenas confirma a presen\u00e7a num ponto.<\/p>\n<h3>Posso instalar um la\u00e7o onde n\u00e3o posso cortar a via?<\/h3>\n<p>Sim. Onde o corte com serra \u00e9 imposs\u00edvel, sensores de presen\u00e7a sem fios ou de radar podem substituir os la\u00e7os indutivos.<\/p>\n<h3>Produtos relacionados<\/h3>\n<ul class=\"sunfre-related\">\n<li><a href=\"https:\/\/sunfre.com\/pt-pt\/product\/flap-barrier\/\">SFSB-A1011<\/a><\/li>\n<li><a href=\"https:\/\/sunfre.com\/pt-pt\/product\/flap-barrier-2\/\">Barreira de Aletas<\/a><\/li>\n<li><a href=\"https:\/\/sunfre.com\/pt-pt\/product\/full-height-turnstile\/\">SFFT-S2021<\/a><\/li>\n<li><a href=\"https:\/\/sunfre.com\/pt-pt\/product\/gate-opener\/\">Abridor de Port\u00e3o de Correr SFSG201N<\/a><\/li>\n<li><a href=\"https:\/\/sunfre.com\/pt-pt\/product\/barrier-gate-t10\/\">Barreira Autom\u00e1tica Modelo T10<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Um detector de la\u00e7o para ve\u00edculos \u00e9 um la\u00e7o de fio enterrado que deteta um carro pela altera\u00e7\u00e3o de indut\u00e2ncia quando o metal passa por cima. Emparelhado com uma barreira autom\u00e1tica, automatiza a dete\u00e7\u00e3o de chegada e impede que o bra\u00e7o feche sobre um ve\u00edculo. Como funciona um detector de<a href=\"https:\/\/sunfre.com\/pt-pt\/loop-detector-integration-barrier-gates\/\" rel=\"nofollow\">&#8230;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-1583","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Integra\u00e7\u00e3o de Detetores de La\u00e7o com Barreiras Autom\u00e1 | SUNFRE<\/title>\n<meta name=\"description\" content=\"Um detector de la\u00e7o para ve\u00edculos \u00e9 um la\u00e7o de fio enterrado que deteta um carro pela altera\u00e7\u00e3o de indut\u00e2ncia quando o metal passa por cima. 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