{"id":14167,"date":"2023-09-24T17:10:56","date_gmt":"2023-09-24T17:10:56","guid":{"rendered":"https:\/\/staging.rayzeek.com\/?p=14167"},"modified":"2023-12-26T08:44:55","modified_gmt":"2023-12-26T08:44:55","slug":"what-is-passive-infrared-pir","status":"publish","type":"post","link":"https:\/\/staging.rayzeek.com\/pt_br\/glossary\/what-is-passive-infrared-pir\/","title":{"rendered":"O que \u00e9 Infravermelho Passivo (PIR)"},"content":{"rendered":"

O que \u00e9 Infravermelho Passivo (PIR)<\/h2>\n\n\n

O Infravermelho Passivo (PIR) \u00e9 um tipo de sensor de movimento que detecta varia\u00e7\u00f5es na radia\u00e7\u00e3o infravermelha. Os sensores PIR s\u00e3o comumente usados para detectar a presen\u00e7a de pessoas ou animais, captando o calor emitido por seus corpos. Ao contr\u00e1rio dos sensores ativos, os sensores PIR n\u00e3o emitem nenhum sinal, apenas recebem e analisam passivamente a radia\u00e7\u00e3o infravermelha em sua \u00e1rea de cobertura.<\/p>\n

Inspire-se com os portf\u00f3lios de sensores de movimento da Rayzeek.<\/h3>

N\u00e3o encontrou o que procura? N\u00e3o se preocupe. Sempre existem formas alternativas de resolver seus problemas. Talvez um de nossos portf\u00f3lios possa ajudar.<\/p>

Sensores de Movimento PIR<\/p><\/a><\/div><\/div>

Interruptores com Sensor de Movimento<\/p><\/a><\/div><\/div>

Sensores de Presen\u00e7a<\/p><\/a><\/div><\/div>

Sensor de Movimento para Ar-Condicionado<\/p><\/a><\/div><\/div>

Fitas de LED com Sensor de Movimento<\/p><\/a><\/div><\/div>

Sensores de Movimento\/Dimmers de Baixa Tens\u00e3o DC<\/p><\/a><\/div><\/div>

Kits de Sensores de Movimento Sem Fio<\/p><\/a><\/div><\/div><\/div><\/div>\n\n\n\n

Um sensor de movimento PIR consiste em dois componentes principais: um sensor piroel\u00e9trico e uma lente de Fresnel. O sensor piroel\u00e9trico mede as altera\u00e7\u00f5es na radia\u00e7\u00e3o infravermelha recebida e as converte em sinais el\u00e9tricos. A lente de Fresnel, composta por an\u00e9is conc\u00eantricos, ajuda a amplificar a radia\u00e7\u00e3o infravermelha antes que ela alcance o sensor piroel\u00e9trico, permitindo uma detec\u00e7\u00e3o mais precisa.<\/p>\n\n\n\n

Quando um sensor de movimento PIR \u00e9 ativado, ele realiza uma calibra\u00e7\u00e3o para estabelecer os n\u00edveis de refer\u00eancia da radia\u00e7\u00e3o infravermelha em seu ambiente. Em seguida, ele monitora continuamente varia\u00e7\u00f5es significativas nos n\u00edveis de radia\u00e7\u00e3o que indiquem a presen\u00e7a de movimento. Se uma altera\u00e7\u00e3o significativa for detectada, o sensor dispara uma a\u00e7\u00e3o espec\u00edfica, como acender luzes ou ativar um alarme.<\/p>\n\n\n\n

Os sensores PIR s\u00e3o frequentemente encontrados em sistemas de ilumina\u00e7\u00e3o autom\u00e1tica, nos quais garantem que as luzes s\u00f3 sejam acesas quando necess\u00e1rio, economizando energia. Eles tamb\u00e9m s\u00e3o utilizados em sistemas de abertura autom\u00e1tica, como portas e cancelas, para detectar movimento e acionar seu funcionamento. Em sistemas de seguran\u00e7a, os sensores PIR desempenham um papel crucial na detec\u00e7\u00e3o de intrusos e na ativa\u00e7\u00e3o de alarmes ou dispositivos de grava\u00e7\u00e3o.<\/p>\n

Procurando solu\u00e7\u00f5es de economia de energia ativadas por movimento?<\/h3>

Entre em contato conosco para sensores de movimento PIR completos, produtos de economia de energia ativados por movimento, interruptores com sensor de movimento e solu\u00e7\u00f5es comerciais de Presen\u00e7a\/Aus\u00eancia (Occupancy\/Vacancy).<\/p>

Enviar um e-mail<\/p><\/a><\/div><\/div>

Formul\u00e1rio de contato<\/p><\/a><\/div><\/div>

Chat online<\/p><\/a><\/div><\/div><\/div><\/div>\n\n\n\n

Os sensores PIR devem ser instalados em \u00e1reas livres de obst\u00e1culos que possam prejudicar seu funcionamento, e o \u00e2ngulo e a dist\u00e2ncia devem ser ajustados para obter a cobertura m\u00e1xima. Al\u00e9m disso, configura\u00e7\u00f5es como o n\u00famero de pulsos emitidos pelo sensor e a dist\u00e2ncia de detec\u00e7\u00e3o podem ser ajustadas para atender a requisitos espec\u00edficos.<\/p>","protected":false},"excerpt":{"rendered":"

Doesn\\’t find what you want? Don\\’t worry. There are always alternate ways to solve your problems. 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Infrared","glossary_alter":"","glossary_def":"","article_task":"","footnotes":""},"categories":[102],"tags":[99],"class_list":["post-14167","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-glossary"],"yoast_head":"\nWhat is Passive Infrared (PIR) - Rayzeek<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is Passive Infrared (PIR) - Rayzeek\" \/>\n<meta property=\"og:description\" content=\"Doesn't find what you want? 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