{"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\/da\/glossary\/what-is-passive-infrared-pir\/","title":{"rendered":"Hvad er passiv infrar\u00f8d (PIR)"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-what-is-passive-infrared-pir\">Hvad er passiv infrar\u00f8d (PIR)<\/h2>\n\n\n<p class=\"wp-block-paragraph\">Passiv infrar\u00f8d (PIR) er en type bev\u00e6gelsessensor, der registrerer \u00e6ndringer i infrar\u00f8d str\u00e5ling. PIR-sensorer anvendes hyppigt til at registrere tilstedev\u00e6relsen af mennesker eller dyr ved at registrere den varme, som deres krop afgiver. I mods\u00e6tning til aktive sensorer udsender PIR-sensorer ikke selv nogen signaler, men modtager og analyserer i stedet passivt den infrar\u00f8de str\u00e5ling i deres d\u00e6kningsomr\u00e5de.<\/p>\n<div class=\"insert_portfolio_outer_wrapper\"><h3>Bliv inspireret af Rayzeek bev\u00e6gelsessensor-portef\u00f8ljer.<\/h3><p>Finder du ikke det, du s\u00f8ger? Fortvivl ikke. Der er altid alternative m\u00e5der at l\u00f8se dine problemer p\u00e5. M\u00e5ske kan en af vores portef\u00f8ljer hj\u00e6lpe.<\/p><div class = \"insert_portfolio_buttons\"><div class = \"insert_portfolio_button_wrapper\"><div><a href = \"https:\/\/www.rayzeek.com\/product-category\/motion-sensors\"><p>PIR-bev\u00e6gelsessensorer<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/motion-sensor-switches\"><p>Bev\u00e6gelsessensor-afbrydere<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/occupancy-vacancy-sensors\"><p>Tilstedev\u00e6relsessensorer<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/products\/rz050\"><p>Bev\u00e6gelsessensor til klimaanl\u00e6g<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/product-category\/motion-sensor-light-strip\"><p>LED-b\u00e5nd med bev\u00e6gelsessensor<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/product-category\/dc-sensor-dimmer\"><p>Lavsp\u00e6ndings DC-bev\u00e6gelsessensorer\/d\u00e6mpere<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/product-category\/wireless-motion-sensors\"><p>Tr\u00e5dl\u00f8se bev\u00e6gelsessensors\u00e6t<\/p><\/a><\/div><\/div><\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">En PIR-bev\u00e6gelsessensor best\u00e5r af to hovedkomponenter: en pyroelektrisk sensor og en Fresnel-linse. Den pyroelektriske sensor m\u00e5ler \u00e6ndringerne i den modtagne infrar\u00f8de str\u00e5ling og omdanner dem til elektriske signaler. Fresnel-linsen, som best\u00e5r af koncentriske ringe, er med til at forst\u00e6rke den infrar\u00f8de str\u00e5ling, f\u00f8r den n\u00e5r den pyroelektriske sensor, hvilket giver en mere pr\u00e6cis registrering.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00e5r en PIR-bev\u00e6gelsessensor aktiveres, udf\u00f8rer den en kalibrering for at fastl\u00e6gge baseline-niveauerne for infrar\u00f8d str\u00e5ling i sine omgivelser. Derefter overv\u00e5ger den kontinuerligt for v\u00e6sentlige \u00e6ndringer i str\u00e5lingsniveauerne, som indikerer bev\u00e6gelse. Hvis der registreres en v\u00e6sentlig \u00e6ndring, udl\u00f8ser sensoren en specifik handling, s\u00e5som at t\u00e6nde lyset eller aktivere en alarm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PIR-sensorer findes ofte i automatiske belysningssystemer, hvor de sikrer, at lyset kun t\u00e6ndes efter behov, hvilket sparer energi. PIR-sensorer anvendes ogs\u00e5 i automatiske \u00e5bningssystemer, s\u00e5som d\u00f8re og bomme, til at registrere bev\u00e6gelse og udl\u00f8se deres funktion. I sikringssystemer spiller PIR-sensorer en afg\u00f8rende rolle ved at registrere tilstedev\u00e6relsen af indtr\u00e6ngende og aktivere alarmer eller optageudstyr.<\/p>\n<div class=\"insert_inquiry_outer_wrapper\"><h3>S\u00f8ger du bev\u00e6gelsesaktiverede energibesparende l\u00f8sninger?<\/h3><p>Kontakt os for komplette PIR-bev\u00e6gelsessensorer, bev\u00e6gelsesaktiverede energibesparende produkter, bev\u00e6gelsessensorafbrydere og kommercielle tilstedev\u00e6relses-\/frav\u00e6rsl\u00f8sninger.<\/p><div class = \"insert_inquiry_buttons\"><div class = \"insert_inquiry_button_wrapper insert_inquiry_button_email\"><div><a href = \"mailto:info@rayzeek.com\"><p>Send en e-mail<\/p><\/a><\/div><\/div><div class = \"insert_inquiry_button_wrapper insert_inquiry_button_email_contact\"><div><a href=\"https:\/\/www.rayzeek.com\/contact\"><p>Kontaktformular<\/p><\/a><\/div><\/div><div class = \"insert_inquiry_button_wrapper insert_inquiry_button_chat chat_jump\"><div><a href=\"#\"><p>Chat online<\/p><\/a><\/div><\/div><\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">PIR-sensorer b\u00f8r placeres i omr\u00e5der uden forhindringer, der kan h\u00e6mme deres funktion, og vinklen og afstanden b\u00f8r justeres for at opn\u00e5 maksimal d\u00e6kning. Derudover kan indstillinger s\u00e5som antallet af impulser, som sensoren udsender, samt registreringsafstanden justeres for at im\u00f8dekomme specifikke krav.<\/p>","protected":false},"excerpt":{"rendered":"<p>Doesn\\&#8217;t find what you want? Don\\&#8217;t worry. There are always alternate ways to solve your problems. Maybe one of our portfolios can help.PIR Motion SensorsMotion Sensor Switches&lt;div class = &quot;i<\/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 Does it Work?\", \"id\": 14847}, 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