{"id":189684,"date":"2016-12-07T23:03:00","date_gmt":"2016-12-07T23:03:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/circuit-de-gestion-declairage-a-calibration-spectrale-pour-liot\/"},"modified":"2016-12-07T23:03:00","modified_gmt":"2016-12-07T23:03:00","slug":"circuit-de-gestion-declairage-a-calibration-spectrale-pour-liot","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/circuit-de-gestion-declairage-a-calibration-spectrale-pour-liot\/","title":{"rendered":"Circuit de gestion d\u2019\u00e9clairage \u00e0 calibration spectrale pour l\u2019IoT"},"content":{"rendered":"<p>L\u2019architecture versatile de ce composant, int\u00e9grant une interface d\u2019extension I2C, permet la mise en \u0153uvre d\u2019une plate-forme \u00ab\u00a0Internet of Awareness\u00a0\u00bb pouvant agglom\u00e9rer des capteurs IoT pour mesurer des param\u00e8tres tels que la qualit\u00e9 de l\u2019air, la temp\u00e9rature, le taux d\u2019occupation et la pr\u00e9sence.<\/p>\n<p>Ce circuit embarque le premier capteur trichromatique de couleur XYZ CIE de l\u2019industrie pour assurer une mesure pr\u00e9cise de couleur en correspondance directe avec l\u2019espace CIE 1931. Syst\u00e8me complet de contr\u00f4le de luminaire, compatible avec le standard 0-10 V, il est pr\u00eat pour la connectivit\u00e9 IoT et le contr\u00f4le en r\u00e9seau au travers de standards comme Bluetooth Smart, ZigBee ou WiFi, gr\u00e2ce \u00e0 un jeu complet de commandes intelligent. L\u2019ajustement spectral des LED est contr\u00f4l\u00e9 directement par des sorties PWM, ce qui autorise une grande pr\u00e9cision, tout en diminuant le temps de d\u00e9veloppement et d\u2019int\u00e9gration par rapport aux solutions plus encombrantes bas\u00e9es sur des composants discrets.<\/p>\n<p>\u00ab\u00a0Les LEDs ont engendr\u00e9 la r\u00e9volution de l\u2019\u00e9clairage digital ; la prochaine \u00e9tape logique est d\u2019int\u00e9grer le contr\u00f4le directement au sein les luminaires,\u00a0\u00bb commente Philip Smallwood, Directeur de recherche \u00ab\u00a0LED &amp; Lighting\u00a0\u00bb chez Strategies Unlimited. \u00ab\u00a0Deux \u00e9l\u00e9ments essentiels \u00e0 ce changement, \u00e0 la fois pratiques et \u00e9conomiques, sont la fusion des capteurs et l\u2019int\u00e9gration de l\u2019intelligence au niveau du composant semiconducteur. C\u2019est ce qui m\u00e8nera vers la concr\u00e9tisation, dont l\u2019industrie r\u00eave depuis longtemps, de l\u2019\u00e9clairage LED intelligent enti\u00e8rement contr\u00f4lable, connect\u00e9 et centr\u00e9 sur l\u2019humain, apportant bien-\u00eatre, productivit\u00e9 et efficacit\u00e9.\u00a0\u00bb<\/p>\n<hr \/>\n<p>Premier membre de la famille de circuits de gestion Cognitive Lighting annonc\u00e9 par ce constructeur, ce composant compact est propos\u00e9 dans un bo\u00eetier LGA de 5 x 5mm, ce qui facilite son int\u00e9gration dans les luminaires, mais aussi dans des ampoules de remplacement. Il fournit un r\u00e9glage pr\u00e9cis de la temp\u00e9rature de couleur, en contr\u00f4lant finement les transitions CCT entre les chaines de LED \u00ab\u00a0blanc chaud\u00a0\u00bb et \u00ab\u00a0blanc froid\u00a0\u00bb d\u2019un luminaire. En plus des fonctions de r\u00e9glages de couleurs et de CCT, il g\u00e8re automatiquement la configuration du capteur de lumi\u00e8re ambiante propri\u00e9taire TSL4531 pour offrir une fonction \u00ab\u00a0lumi\u00e8re du jour\u00a0\u00bb cl\u00e9 en main.<\/p>\n<p>\u00ab\u00a0La prochaine g\u00e9n\u00e9ration d\u2019\u00e9clairage sera d\u00e9finie par trois crit\u00e8res cl\u00e9s : contr\u00f4labilit\u00e9, adaptabilit\u00e9 et architectures connect\u00e9es,\u00a0\u00bb explique Tom Griffiths, Directeur Marketing senior chez ams. \u00ab\u00a0Notre nouvelle famille de circuits d\u2019\u00e9clairage intelligent r\u00e9pond \u00e0 ces crit\u00e8res. Avec ce nouveau composant, nous apportons une r\u00e9ponse pour permettre aux fabricants de luminaires de d\u00e9velopper et mettre rapidement sur le march\u00e9 un \u00e9clairage \u00e0 ajustement spectral, \u00e9conomique, pr\u00e9cis et qui s\u2019int\u00e8gre naturellement au monde de l\u2019internet des objets.\u00a0\u00bb<\/p>\n<p><a href=\"http:\/\/www.ams.com\/Spectral-Sensing\/AS7221\" target=\"_blank\" rel=\"noopener\">www.ams.com\/Spectral-Sensing\/AS7221<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Actuellement premier circuit int\u00e9gr\u00e9 de gestion d\u2019\u00e9clairage \u00e0 LED avec r\u00e9glage de la balance des blancs, l\u2019AS7221 d\u2019ams apporte aux fabricants de luminaires la possibilit\u00e9 d\u2019int\u00e9grer rapidement une fonction de temp\u00e9rature de couleurs ajustable (CCT), aussi appel\u00e9e \u201cKelvin-tuning\u201d, tr\u00e8s pr\u00e9cise pour offrir des \u00e9clairages intelligents connect\u00e9s (IoT). <\/p>\n","protected":false},"author":9,"featured_media":189685,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[892,910],"domains":[47],"ppma_author":[1141],"class_list":["post-189684","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-ledlighting-fr","tag-sensing-conditioning-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Circuit de gestion d\u2019\u00e9clairage \u00e0 calibration spectrale pour...<\/title>\n<meta name=\"description\" content=\"Actuellement premier circuit int\u00e9gr\u00e9 de gestion d\u2019\u00e9clairage \u00e0 LED avec r\u00e9glage de la balance des blancs, l\u2019AS7221 d\u2019ams apporte aux fabricants de...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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