{"id":1525,"date":"2022-08-26T06:50:01","date_gmt":"2022-08-26T06:50:01","guid":{"rendered":"https:\/\/www.trafficsolution.cn\/lightning-protection-knowledge-of-led-traffic-lights\/"},"modified":"2022-08-26T06:50:01","modified_gmt":"2022-08-26T06:50:01","slug":"connaissances-sur-la-protection-contre-la-foudre-pour-les-feux-de-circulation-led","status":"publish","type":"post","link":"https:\/\/www.trafficsolution.cn\/fr\/connaissances-sur-la-protection-contre-la-foudre-pour-les-feux-de-circulation-led\/","title":{"rendered":"Protection contre la foudre Connaissance des feux de circulation \u00e0 diodes \u00e9lectroluminescentes"},"content":{"rendered":"<p>En marchant dans les rues de la ville, la chose la plus famili\u00e8re est le clignotement altern\u00e9 des diff\u00e9rents feux de circulation. La circulation dans les <a href=\"https:\/\/www.trafficsolution.cn\/fr\/collection\/feu-clignotant-solaire\/\" target=\"_blank\" rel=\"noopener\">feux de circulation clignotants<\/a> en marche avant et en pause. Le feu de signalisation \u00e9rig\u00e9 sur le pilier de l'intersection a pour but de donner des instructions opportunes au trafic. En raison de sa position \u00e9lev\u00e9e, il est facile d'endommager le feu indicateur par un coup de foudre direct. La ligne \u00e9lectrique est introduite par le contr\u00f4leur de signal, mais il n'y a pas de c\u00e2ble de signal. Il existe un risque de coup de foudre direct et de surtension de la ligne \u00e9lectrique. Par cons\u00e9quent, la surtension de la foudre directe et la surtension de la ligne \u00e9lectrique sont consid\u00e9r\u00e9es comme les points cl\u00e9s de la protection.<\/p>\n<p>&nbsp;<\/p>\n<p>Le pilier du feu de signalisation doit \u00eatre \u00e9rig\u00e9 et le paratonnerre limiteur de courant doit \u00eatre install\u00e9 pour la protection directe contre la foudre. Le sommet du support et la base du paratonnerre \u00e0 limitation de courant doivent \u00eatre reli\u00e9s \u00e9lectriquement et m\u00e9caniquement de mani\u00e8re fiable, et le support lui-m\u00eame doit \u00eatre utilis\u00e9 pour la mise \u00e0 la terre ou 40 kV doit \u00eatre utilis\u00e9 pour la mise \u00e0 la terre 40 \u00d7 L'acier plat 40 est reli\u00e9 \u00e0 la grille de mise \u00e0 la terre du support lui-m\u00eame, et la r\u00e9sistance de la mise \u00e0 la terre doit \u00eatre inf\u00e9rieure \u00e0 4 ohms. Le protecteur de surtension doit \u00eatre utilis\u00e9 pour la protection de l'alimentation au niveau du fil d'alimentation du feu de signalisation et du contr\u00f4leur de signalisation, et il faut veiller \u00e0 ce qu'il soit \u00e9tanche \u00e0 l'eau, \u00e0 l'humidit\u00e9 et \u00e0 la poussi\u00e8re. Le protecteur contre les surtensions doit \u00eatre connect\u00e9 \u00e0 l'\u00e9lectrode de mise \u00e0 la terre du portique avec plusieurs brins de fil de cuivre d'au moins 25 mm, et la r\u00e9sistance de mise \u00e0 la terre doit \u00eatre inf\u00e9rieure \u00e0 4 ohms.<\/p>\n<p>&nbsp;<\/p>\n<p>Protection de la mise \u00e0 la terre : pour une intersection standard, la distribution des piliers et des \u00e9quipements frontaux est relativement dispers\u00e9e, de sorte qu'il est difficile de r\u00e9aliser une mise \u00e0 la terre en un seul point. Afin d'assurer la mise \u00e0 la terre des \u00e9quipements et la protection des personnes, seul le corps de mise \u00e0 la terre vertical est soud\u00e9 en une structure de r\u00e9seau sous chaque pilier, c'est-\u00e0-dire une mise \u00e0 la terre multipoint, qui vise principalement \u00e0 r\u00e9pondre aux exigences de protection contre la foudre, telles que la d\u00e9charge progressive des ondes entrantes. Afin d'assurer la s\u00e9curit\u00e9 des personnes, le corps de mise \u00e0 la terre doit \u00eatre \u00e9loign\u00e9 de plus de 3 m\u00e8tres du trottoir.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>En marchant dans les rues de la ville, la chose la plus famili\u00e8re est le clignotement altern\u00e9 de divers feux de circulation. Circulation aux feux de signalisation clignotants en avant et pause r\u00e9guliers. Le tra\u2026<\/p>","protected":false},"author":1,"featured_media":1524,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"footnotes":""},"categories":[38,44],"tags":[],"class_list":["post-1525","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-industry-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Lightning protection knowledge of LED traffic lights<\/title>\n<meta name=\"description\" content=\"Walking in the streets of the city road, the most familiar thing is the alternating flashing of various traffic lights. Traffic in the flashing traffic lights in the regular forward and pause. 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Le trafic dans les feux clignotants avance et s'arr\u00eate r\u00e9guli\u00e8rement. Le tra...","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.trafficsolution.cn\/fr\/connaissances-sur-la-protection-contre-la-foudre-pour-les-feux-de-circulation-led\/","og_locale":"fr_FR","og_type":"article","og_title":"Lightning protection knowledge of LED traffic lights","og_description":"Walking in the streets of the city road, the most familiar thing is the alternating flashing of various traffic lights. Traffic in the flashing traffic lights in the regular forward and pause. 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