{"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\/fr\/glossary\/what-is-passive-infrared-pir\/","title":{"rendered":"Qu'est-ce qu'un capteur infrarouge passif (PIR) ?"},"content":{"rendered":"

Qu'est-ce qu'un capteur infrarouge passif (PIR) ?<\/h2>\n\n\n

L'infrarouge passif (PIR) est un type de d\u00e9tecteur de mouvement qui d\u00e9tecte les variations de rayonnement infrarouge. Les d\u00e9tecteurs PIR sont couramment utilis\u00e9s pour d\u00e9tecter la pr\u00e9sence de personnes ou d'animaux en captant la chaleur \u00e9mise par leur corps. Contrairement aux capteurs actifs, les capteurs PIR n'\u00e9mettent aucun signal par eux-m\u00eames, mais re\u00e7oivent et analysent de mani\u00e8re passive le rayonnement infrarouge pr\u00e9sent dans leur zone de couverture.<\/p>\n

Laissez-vous inspirer par les portfolios de d\u00e9tecteurs de mouvement Rayzeek.<\/h3>

Vous ne trouvez pas ce que vous cherchez ? Ne vous inqui\u00e9tez pas. Il existe toujours d'autres solutions \u00e0 vos besoins. L'un de nos portfolios peut sans doute vous aider.<\/p>

D\u00e9tecteurs de mouvement PIR<\/p><\/a><\/div><\/div>

Interrupteurs \u00e0 d\u00e9tecteur de mouvement<\/p><\/a><\/div><\/div>

D\u00e9tecteurs de pr\u00e9sence<\/p><\/a><\/div><\/div>

D\u00e9tecteur de mouvement pour climatiseur<\/p><\/a><\/div><\/div>

Rubans LED \u00e0 d\u00e9tecteur de mouvement<\/p><\/a><\/div><\/div>

D\u00e9tecteurs de mouvement\/gradateurs basse tension CC<\/p><\/a><\/div><\/div>

Kits de d\u00e9tecteurs de mouvement sans fil<\/p><\/a><\/div><\/div><\/div><\/div>\n\n\n\n

Un d\u00e9tecteur de mouvement PIR se compose de deux \u00e9l\u00e9ments principaux : un capteur pyro\u00e9lectrique et une lentille de Fresnel. Le capteur pyro\u00e9lectrique mesure les variations du rayonnement infrarouge qu'il re\u00e7oit et les convertit en signaux \u00e9lectriques. La lentille de Fresnel, compos\u00e9e d'anneaux concentriques, permet d'amplifier le rayonnement infrarouge avant qu'il n'atteigne le capteur pyro\u00e9lectrique, garantissant ainsi une d\u00e9tection plus pr\u00e9cise.<\/p>\n\n\n\n

Lorsqu'un d\u00e9tecteur de mouvement PIR est activ\u00e9, il proc\u00e8de \u00e0 un \u00e9talonnage afin d'\u00e9tablir les niveaux de r\u00e9f\u00e9rence du rayonnement infrarouge dans son environnement. Il surveille ensuite en continu les variations significatives de ces niveaux de rayonnement, lesquelles indiquent la pr\u00e9sence d'un mouvement. Si un changement important est d\u00e9tect\u00e9, le capteur d\u00e9clenche une action sp\u00e9cifique, comme l'allumage de luminaires ou l'activation d'une alarme.<\/p>\n\n\n\n

Les capteurs PIR sont couramment int\u00e9gr\u00e9s aux syst\u00e8mes d'\u00e9clairage automatique, o\u00f9 ils s'assurent que les lumi\u00e8res ne s'allument que lorsque cela est n\u00e9cessaire, permettant ainsi de r\u00e9aliser des \u00e9conomies d'\u00e9nergie. Les capteurs PIR sont \u00e9galement utilis\u00e9s dans les syst\u00e8mes d'ouverture automatique, tels que les portes et les barri\u00e8res, afin de d\u00e9tecter les mouvements et d'en d\u00e9clencher le fonctionnement. Dans les syst\u00e8mes de s\u00e9curit\u00e9, ils jouent un r\u00f4le essentiel pour d\u00e9tecter la pr\u00e9sence d'intrus et activer des alarmes ou des dispositifs d'enregistrement.<\/p>\n

Vous recherchez des solutions d\u2019\u00e9conomie d\u2019\u00e9nergie activ\u00e9es par le mouvement ?<\/h3>

Contactez-nous pour obtenir une gamme compl\u00e8te de d\u00e9tecteurs de mouvement PIR, de produits d\u2019\u00e9conomie d\u2019\u00e9nergie activ\u00e9s par le mouvement, d\u2019interrupteurs \u00e0 d\u00e9tecteur de mouvement et de solutions commerciales de pr\u00e9sence\/vacance.<\/p>

Envoyer un e-mail<\/p><\/a><\/div><\/div>

Formulaire de contact<\/p><\/a><\/div><\/div>

Discuter en ligne<\/p><\/a><\/div><\/div><\/div><\/div>\n\n\n\n

Les capteurs PIR doivent \u00eatre install\u00e9s dans des zones d\u00e9gag\u00e9es de tout obstacle susceptible de g\u00eaner leur fonctionnement ; leur angle et leur distance port\u00e9e doivent \u00eatre ajust\u00e9s pour obtenir une couverture optimale. De plus, certains r\u00e9glages, tels que le nombre d'impulsions \u00e9mises par le capteur et la distance de d\u00e9tection, peuvent \u00eatre adapt\u00e9s en fonction des besoins sp\u00e9cifiques.<\/p>","protected":false},"excerpt":{"rendered":"

Vous ne trouvez pas ce que vous cherchez ? Ne vous inqui\u00e9tez pas, il existe toujours d'autres solutions pour r\u00e9pondre \u00e0 vos besoins. 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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=\"fr_FR\" \/>\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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