{"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\/it\/glossario\/che-cose-il-pir-passivo-a-infrarossi","title":{"rendered":"Cos'\u00e8 l'infrarosso passivo (PIR)"},"content":{"rendered":"

Cos'\u00e8 l'infrarosso passivo (PIR)<\/h2>

L'infrarosso passivo (PIR) \u00e8 un tipo di sensore di movimento che rileva le variazioni della radiazione infrarossa. I sensori PIR sono comunemente utilizzati per rilevare la presenza di persone o animali rilevando il calore emesso dal loro corpo. A differenza dei sensori attivi, i sensori PIR non emettono alcun segnale, ma ricevono e analizzano passivamente la radiazione infrarossa nella loro area di copertura.<\/p>

Ispiratevi ai portafogli dei sensori di movimento Rayzeek.<\/h3>

Non trovate quello che volete? Non preoccupatevi. Ci sono sempre modi alternativi per risolvere i vostri problemi. Forse uno dei nostri portafogli pu\u00f2 aiutarvi.<\/p>

Sensori di movimento PIR<\/p><\/a><\/div><\/div>

Interruttori con sensore di movimento<\/p><\/a><\/div><\/div>

Sensori di presenza<\/p><\/a><\/div><\/div>

Sensore di movimento del condizionatore d'aria<\/p><\/a><\/div><\/div>

Strisce luminose con sensore di movimento<\/p><\/a><\/div><\/div>

Sensori di movimento\/dimmer a bassa tensione in c.c.<\/p><\/a><\/div><\/div>

Kit di sensori di movimento wireless<\/p><\/a><\/div><\/div><\/div><\/div>

Un sensore di movimento PIR \u00e8 costituito da due componenti principali: un sensore piroelettrico e una lente di Fresnel. Il sensore piroelettrico misura le variazioni della radiazione infrarossa che riceve e le converte in segnali elettrici. La lente di Fresnel, costituita da anelli concentrici, contribuisce ad amplificare la radiazione infrarossa prima che raggiunga il sensore piroelettrico, consentendo un rilevamento pi\u00f9 preciso.<\/p>

Quando un sensore di movimento PIR viene attivato, esegue una calibrazione per stabilire i livelli di base della radiazione infrarossa nel suo ambiente. Quindi monitora continuamente le variazioni significative dei livelli di radiazione, indicando la presenza di movimento. Se viene rilevata una variazione significativa, il sensore attiva un'azione specifica, come l'accensione delle luci o l'attivazione di un allarme.<\/p>

I sensori PIR sono comunemente utilizzati nei sistemi di illuminazione automatica, dove garantiscono che le luci vengano attivate solo quando necessario, risparmiando cos\u00ec energia. I sensori PIR sono utilizzati anche nei sistemi di apertura automatica, come porte e barriere, per rilevare il movimento e attivarne il funzionamento. Nei sistemi di sicurezza, i sensori PIR svolgono un ruolo cruciale nel rilevare la presenza di intrusi e attivare allarmi o dispositivi di registrazione.<\/p>

Cercate soluzioni per il risparmio energetico attivate dal movimento?<\/h3>

Contattateci per avere sensori di movimento PIR completi, prodotti per il risparmio energetico attivati dal movimento, interruttori per sensori di movimento e soluzioni commerciali Occupancy\/Vacancy.<\/p>

Inviare un'e-mail<\/p><\/a><\/div><\/div>

Modulo di contatto<\/p><\/a><\/div><\/div>

Conversare in linea<\/p><\/a><\/div><\/div><\/div><\/div>

I sensori PIR devono essere posizionati in aree prive di ostacoli che potrebbero impedirne il funzionamento e l'angolo e la distanza devono essere regolati per ottenere la massima copertura. Inoltre, \u00e8 possibile regolare impostazioni quali il numero di impulsi emessi dal sensore e la distanza di rilevamento per soddisfare requisiti specifici.<\/p>","protected":false},"excerpt":{"rendered":"

L'infrarosso passivo (PIR) \u00e8 un tipo di sensore di movimento che rileva le variazioni della radiazione infrarossa. 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