{"id":175389,"date":"2017-04-19T17:05:00","date_gmt":"2017-04-19T17:05:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/capteur-sismique-miniature-differenciant-secousse-sismique-et-vibration\/"},"modified":"2017-04-19T17:05:00","modified_gmt":"2017-04-19T17:05:00","slug":"capteur-sismique-miniature-differenciant-secousse-sismique-et-vibration","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/capteur-sismique-miniature-differenciant-secousse-sismique-et-vibration\/","title":{"rendered":"Capteur sismique miniature diff\u00e9renciant secousse sismique et vibration"},"content":{"rendered":"<p>D\u00e9velopp\u00e9 pour le nombre croissant de syst\u00e8mes autonomes de l&rsquo;Internet des objets, ce capteur sismique assure une mesure de haute pr\u00e9cision de l&rsquo;intensit\u00e9 spectrale, permettant ainsi de rejeter tout bruit impulsionnel et de ne r\u00e9agir qu&rsquo;\u00e0 l&rsquo;activit\u00e9 sismique r\u00e9elle. Malgr\u00e9 sa taille compacte, il poss\u00e8de ses propres m\u00e9moire interne et interface&nbsp;I2C pour une int\u00e9gration imm\u00e9diate aux p\u00e9riph\u00e9riques IoT.<\/p>\n<p>Ce dispositif est adapt\u00e9 \u00e0 de nombreuses applications potentielles comme, notamment, les compteurs de gaz et d&rsquo;\u00e9lectricit\u00e9, capteurs sans fil, panneaux de contr\u00f4le industriels, tableaux de distribution d&rsquo;\u00e9lectricit\u00e9, syst\u00e8mes de pr\u00e9vention des incendies, appareils m\u00e9nagers (radiateurs et gazini\u00e8res, par exemple), usines chimiques, voies routi\u00e8res express, ponts, tunnels, routes diverses, et bien d&rsquo;autres.&nbsp;&nbsp;&nbsp;<\/p>\n<p>\u00ab\u00a0Les tremblements de terre sont tr\u00e8s fr\u00e9quents dans le monde. En moyenne, il s&rsquo;en produit 50&nbsp;par jour sur toute la plan\u00e8te, soit environ 20&nbsp;000 par an.&nbsp;Nombre de ces secousses sont tellement faibles qu&rsquo;elles ne se remarquent m\u00eame pas, mais certaines sont catastrophiques,\u00a0\u00bb explique Fabrizio Petris, directeur du d\u00e9veloppement commercial d&rsquo;Omron Electronic Components Europe. \u00ab\u00a0Nous ne pouvons pas toujours pr\u00e9voir quand les tremblements graves se produiront. Gr\u00e2ce \u00e0 ce nouveau capteur Omron, les concepteurs peuvent cr\u00e9er des syst\u00e8mes plus s\u00fbrs et minimiser le risque d&rsquo;endommagement secondaire apr\u00e8s un s\u00e9isme, en arr\u00eatant en toute s\u00e9curit\u00e9 des p\u00e9riph\u00e9riques dangereux. Le capteur peut \u00e9galement aider \u00e0 d\u00e9terminer l&rsquo;endommagement en mettant en correspondance l&rsquo;intensit\u00e9 sismique et les donn\u00e9es r\u00e9colt\u00e9es et en fournissant des informations sur l&rsquo;effondrement des structures.\u00a0\u00bb<\/p>\n<hr \/>\n<p>L&rsquo;une des fonctions-cl\u00e9s du capteur est sa capacit\u00e9 \u00e0 faire la distinction entre une secousse sismique et une vibration provenant d&rsquo;une autre source. Lorsqu&rsquo;un tremblement de terre se produit, il utilise un algorithme unique propri\u00e9taire pour calculer l&rsquo;intensit\u00e9 spectrale et faire la diff\u00e9rence entre les \u00e9v\u00e9nements sismiques et non sismiques. Le composant int\u00e8gre un acc\u00e9l\u00e9rom\u00e8tre \u00e0 3&nbsp;axes et, sur la base des r\u00e9sultats mesur\u00e9s, calcule la valeur de l&rsquo;intensit\u00e9 spectrale pour \u00e9valuer la magnitude du s\u00e9isme.<\/p>\n<p>De tout juste 9,8 x 10,9&nbsp;mm, ce module tr\u00e8s compact pour montage en surface s&rsquo;ajoute facilement aux syst\u00e8mes de tous types. Sa faible consommation de 90&nbsp;microamp\u00e8res en veille et 300&nbsp;microamp\u00e8res en traitement, lui permet de s&rsquo;int\u00e9grer naturellement \u00e0 tous les syst\u00e8mes aliment\u00e9s par batterie.<\/p>\n<p><a href=\"http:\/\/components.omron.eu\/\" target=\"_blank\" rel=\"noopener\">components.omron.eu<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Annonc\u00e9 comme \u00e9tant, \u00e0 ce jour, le plus petit capteur sismique du monde, le D7S d\u2019Omron Electronic a \u00e9t\u00e9 sp\u00e9cialement con\u00e7u pour d\u00e9clencher l&rsquo;arr\u00eat des syst\u00e8mes potentiellement dangereux ou fragiles en cas de tremblement de terre.<\/p>\n","protected":false},"author":9,"featured_media":175390,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[910],"domains":[47],"ppma_author":[1141],"class_list":["post-175389","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-sensing-conditioning-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Capteur sismique miniature diff\u00e9renciant secousse sismique et ...<\/title>\n<meta name=\"description\" content=\"Annonc\u00e9 comme \u00e9tant, \u00e0 ce jour, le plus petit capteur sismique du monde, le D7S d\u2019Omron Electronic a \u00e9t\u00e9 sp\u00e9cialement con\u00e7u pour d\u00e9clencher...\" \/>\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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