{"id":14167,"date":"2023-09-24T17:10:56","date_gmt":"2023-09-24T17:10:56","guid":{"rendered":"https:\/\/www.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:\/\/www.rayzeek.com\/fr\/glossaire\/quest-ce-que-linfrarouge-passif-pir","title":{"rendered":"Qu'est-ce que l'infrarouge passif (PIR) ?"},"content":{"rendered":"

Qu'est-ce que l'infrarouge passif (PIR) ?<\/h2>

L'infrarouge passif (PIR) est un type de capteur de mouvement qui d\u00e9tecte les variations du rayonnement infrarouge. Les capteurs PIR sont g\u00e9n\u00e9ralement 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 pas de signaux eux-m\u00eames, mais re\u00e7oivent et analysent passivement le rayonnement infrarouge dans leur zone de couverture.<\/p>

Inspirez-vous des portefeuilles de d\u00e9tecteurs de mouvement Rayzeek.<\/h3>

Vous ne trouvez pas ce que vous voulez ? Ne vous inqui\u00e9tez pas. Il existe toujours d'autres moyens de r\u00e9soudre vos probl\u00e8mes. L'un de nos portefeuilles peut peut-\u00eatre vous aider.<\/p>

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

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

Capteurs d\u2019occupation<\/p><\/a><\/div><\/div>

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

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

D\u00e9tecteurs de mouvement\/d\u00e9tecteurs d'intensit\u00e9 \u00e0 basse tension \u00e0 courant continu<\/p><\/a><\/div><\/div>

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

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, contribue \u00e0 amplifier le rayonnement infrarouge avant qu'il n'atteigne le capteur pyro\u00e9lectrique, ce qui permet une d\u00e9tection plus pr\u00e9cise.<\/p>

Lorsqu'un d\u00e9tecteur de mouvement PIR est activ\u00e9, il effectue un \u00e9talonnage pour \u00e9tablir les niveaux de base du rayonnement infrarouge dans son environnement. Il surveille ensuite en permanence les variations significatives des niveaux de rayonnement, indiquant la pr\u00e9sence d'un mouvement. Si un changement significatif est d\u00e9tect\u00e9, le capteur d\u00e9clenche une action sp\u00e9cifique, comme l'allumage des lumi\u00e8res ou l'activation d'une alarme.<\/p>

Les capteurs PIR sont couramment utilis\u00e9s dans les syst\u00e8mes d'\u00e9clairage automatique, o\u00f9 ils garantissent que les lumi\u00e8res ne sont activ\u00e9es que lorsque c'est n\u00e9cessaire, ce qui permet d'\u00e9conomiser de l'\u00e9nergie. Les capteurs PIR sont \u00e9galement utilis\u00e9s dans les syst\u00e8mes d'ouverture automatique, tels que les portes et les barri\u00e8res, pour d\u00e9tecter les mouvements et d\u00e9clencher leur fonctionnement. Dans les syst\u00e8mes de s\u00e9curit\u00e9, les capteurs PIR jouent un r\u00f4le crucial en d\u00e9tectant la pr\u00e9sence d'intrus et en activant des alarmes ou des dispositifs d'enregistrement.<\/p>

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

Contactez-nous pour des d\u00e9tecteurs de mouvement PIR complets, des produits d'\u00e9conomie d'\u00e9nergie activ\u00e9s par le mouvement, des interrupteurs \u00e0 d\u00e9tecteur de mouvement et des solutions commerciales d'occupation\/occupation.<\/p>

Envoyer un courriel<\/p><\/a><\/div><\/div>

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

Chat en ligne<\/p><\/a><\/div><\/div><\/div><\/div>

Les capteurs PIR doivent \u00eatre plac\u00e9s dans des zones exemptes d'obstacles susceptibles d'entraver leur fonctionnement, et l'angle et la distance doivent \u00eatre ajust\u00e9s pour obtenir une couverture maximale. En outre, des param\u00e8tres tels que le nombre d'impulsions \u00e9mises par le capteur et la distance de d\u00e9tection peuvent \u00eatre ajust\u00e9s pour r\u00e9pondre \u00e0 des besoins sp\u00e9cifiques.<\/p>","protected":false},"excerpt":{"rendered":"

L'infrarouge passif (PIR) est un type de capteur de mouvement qui d\u00e9tecte les variations du rayonnement infrarouge. Les capteurs PIR sont g\u00e9n\u00e9ralement utilis\u00e9s pour d\u00e9tecter la pr\u00e9sence de personnes ou d'animaux en d\u00e9tectant la chaleur \u00e9mise par leur corps.<\/p>","protected":false},"author":4,"featured_media":12865,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"article_term":"","article_term_alternate":"","article_term_def":"","article_hook":"","auto_links":"[{\"keyword\": \"PIR motion sensor\", \"idxall\": 1, \"keywordtitlesimi\": 0.964764279127121, \"keywordslugsimi\": 1.05, \"paratitlesimi\": 0.8760966539382935, \"paraslugsimi\": 0.8481415539979935, \"slug\": \"pir-motion-sensor\", \"title\": \"What is a PIR Motion Sensor and How Does it Work?\", \"id\": 14847}, {\"keyword\": \"PIR sensors\", \"idxall\": 2, \"keywordtitlesimi\": 0.8723232865333558, \"keywordslugsimi\": 0.9420589864253999, \"paratitlesimi\": 0.8502745091915132, \"paraslugsimi\": 0.8416541934013367, \"slug\": \"pir-motion-sensor\", 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