{"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\/sv\/glossary\/what-is-passive-infrared-pir\/","title":{"rendered":"Vad \u00e4r passiv infrar\u00f6d (PIR)"},"content":{"rendered":"

Vad \u00e4r passiv infrar\u00f6d (PIR)<\/h2>\n\n\n

Passiv infrar\u00f6d (PIR) \u00e4r en typ av r\u00f6relsesensor som uppt\u00e4cker variationer i infrar\u00f6d str\u00e5lning. PIR-sensorer anv\u00e4nds i f\u00f6rsta hand f\u00f6r att registrera n\u00e4rvaron av m\u00e4nniskor eller djur genom att k\u00e4nna av v\u00e4rmen som avges fr\u00e5n deras kroppar. Till skillnad fr\u00e5n aktiva sensorer s\u00e4nder PIR-sensorer inte ut n\u00e5gra egna signaler, utan tar i st\u00e4llet passivt emot och analyserar den infrar\u00f6da str\u00e5lningen inom sitt t\u00e4ckningsomr\u00e5de.<\/p>\n

Hitta inspiration i Rayzeeks portf\u00f6lj av r\u00f6relsesensorer.<\/h3>

Hittar du inte det du s\u00f6ker? Oroa dig inte. Det finns alltid alternativa s\u00e4tt att l\u00f6sa dina problem. Kanske kan n\u00e5gon av v\u00e5ra portf\u00f6ljer hj\u00e4lpa till.<\/p>

PIR-r\u00f6relsesensorer<\/p><\/a><\/div><\/div>

R\u00f6relsesensorbrytare<\/p><\/a><\/div><\/div>

N\u00e4rvarovakter<\/p><\/a><\/div><\/div>

R\u00f6relsesensor f\u00f6r luftkonditionering<\/p><\/a><\/div><\/div>

LED-strips med r\u00f6relsevakt<\/p><\/a><\/div><\/div>

L\u00e5gsp\u00e4nnings-DC-r\u00f6relsesensorer\/dimrar<\/p><\/a><\/div><\/div>

Tr\u00e5dl\u00f6sa r\u00f6relsesensorkit<\/p><\/a><\/div><\/div><\/div><\/div>\n\n\n\n

En PIR-r\u00f6relsesensor best\u00e5r av tv\u00e5 huvudkomponenter: en pyroelektrisk sensor och en fresnellins. Den pyroelektriska sensorn m\u00e4ter f\u00f6r\u00e4ndringarna i den infrar\u00f6da str\u00e5lningen den tar emot och omvandlar dem till elektriska signaler. Fresnellinsen, som best\u00e5r av koncentriska ringar, bidrar till att f\u00f6rst\u00e4rka den infrar\u00f6da str\u00e5lningen innan den n\u00e5r den pyroelektriska sensorn, vilket m\u00f6jligg\u00f6r en mer exakt detektering.<\/p>\n\n\n\n

N\u00e4r en PIR-r\u00f6relsesensor aktiveras utf\u00f6r den en kalibrering f\u00f6r att fastst\u00e4lla grundniv\u00e5erna f\u00f6r infrar\u00f6d str\u00e5lning i sin omgivning. D\u00e4refter \u00f6vervakar den kontinuerligt omv\u00e4rlden f\u00f6r betydande variationer i str\u00e5lningsniv\u00e5erna som tyder p\u00e5 r\u00f6relse. Om en v\u00e4sentlig f\u00f6r\u00e4ndring uppt\u00e4cks utl\u00f6ser sensorn en specifik \u00e5tg\u00e4rd, s\u00e5som att t\u00e4nda belysningen eller aktivera ett larm.<\/p>\n\n\n\n

PIR-sensorer f\u00f6rekommer ofta i automatiska belysningssystem, d\u00e4r de s\u00e4kerst\u00e4ller att lampor endast \u00e4r t\u00e4nda vid behov och d\u00e4rmed sparar energi. PIR-sensorer anv\u00e4nds \u00e4ven i automatiska \u00f6ppningssystem, exempelvis f\u00f6r d\u00f6rrar och bommar, f\u00f6r att registrera r\u00f6relse och utl\u00f6sa deras drift. Inom s\u00e4kerhetssystem spelar PIR-sensorer en avg\u00f6rande roll f\u00f6r att uppt\u00e4cka inkr\u00e4ktare och aktivera larm eller inspelningsenheter.<\/p>\n

Letar du efter r\u00f6relsestyrda energisparande l\u00f6sningar?<\/h3>

Kontakta oss f\u00f6r kompletta PIR-r\u00f6relsesensorer, r\u00f6relseaktiverade energisparprodukter, r\u00f6relsesensorbrytare och kommersiella l\u00f6sningar f\u00f6r n\u00e4rvaro\/fr\u00e5nvaro (Occupancy\/Vacancy).<\/p>

Skicka ett e-postmeddelande<\/p><\/a><\/div><\/div>

Kontaktformul\u00e4r<\/p><\/a><\/div><\/div>

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

PIR-sensorer b\u00f6r placeras i omr\u00e5den utan hinder som kan st\u00f6ras deras funktion, och vinkel samt avst\u00e5nd b\u00f6r justeras f\u00f6r att uppn\u00e5 maximal t\u00e4ckning. Dessutom kan inst\u00e4llningar som antalet pulser sensorn s\u00e4nder ut samt detekteringsavst\u00e5ndet anpassas f\u00f6r att uppfylla specifika krav.<\/p>","protected":false},"excerpt":{"rendered":"

Hittar du inte det du s\u00f6ker? Ingen fara. Det finns alltid alternativa s\u00e4tt att l\u00f6sa dina problem p\u00e5. Kanske kan n\u00e5gon av v\u00e5ra portf\u00f6ljer hj\u00e4lpa dig.PIR-r\u00f6relsesensorerR\u00f6relsesensorbrytare<div class = \u2019i<\/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\", \"title\": \"What is a PIR Motion Sensor and How 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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=\"sv_SE\" \/>\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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