{"id":1410,"date":"2022-08-26T06:52:00","date_gmt":"2022-08-26T06:52:00","guid":{"rendered":"https:\/\/www.trafficsolution.cn\/development-trend-of-led-traffic-signals\/"},"modified":"2022-08-26T06:52:00","modified_gmt":"2022-08-26T06:52:00","slug":"tendances-de-developpement-des-feux-de-signalisation-led","status":"publish","type":"post","link":"https:\/\/www.trafficsolution.cn\/fr\/tendances-de-developpement-des-feux-de-signalisation-led\/","title":{"rendered":"Tendance de d\u00e9veloppement des feux de signalisation \u00e0 diodes \u00e9lectroluminescentes"},"content":{"rendered":"<p>Avec la commercialisation de LED \u00e0 haute luminosit\u00e9 dans les couleurs rouge, jaune et verte, les LED ont progressivement remplac\u00e9 les lampes \u00e0 incandescence traditionnelles et les lampes halog\u00e8nes au tungst\u00e8ne pour les feux de circulation. \u00c9tant donn\u00e9 que la lumi\u00e8re de la LED est relativement concentr\u00e9e dans une petite plage d'angles solides, aucun r\u00e9flecteur n'est n\u00e9cessaire et la lumi\u00e8re n'a pas besoin d'\u00eatre filtr\u00e9e par une lentille de couleur. Il suffit d'utiliser une lentille convexe ou une lentille de Fresnel pour g\u00e9n\u00e9rer un faisceau parall\u00e8le, puis d'utiliser une lentille en coussinet pour \u00e9taler et d\u00e9vier le faisceau d'un bout \u00e0 l'autre afin d'obtenir la dispersion lumineuse requise. La structure est beaucoup plus simple. Les LED affichent une seule couleur de lumi\u00e8re et peuvent fournir des lumi\u00e8res rouge, jaune et verte pour faciliter l'identification. En outre, elle pr\u00e9sente les avantages suivants : forte luminosit\u00e9, faible consommation d'\u00e9nergie, longue dur\u00e9e de vie, d\u00e9marrage rapide, faible consommation d'\u00e9nergie, absence de scintillement et r\u00e9duction de la fatigue visuelle. Il est respectueux de l'environnement et peut \u00eatre r\u00e9par\u00e9 pendant de nombreuses ann\u00e9es, ce qui r\u00e9duit consid\u00e9rablement les co\u00fbts de maintenance.<\/p>\n<p>&nbsp;<\/p>\n<p>Comme une sorte de feux de circulation en ville, <a href=\"\/fr\/page\/trafic\/\">Feux de signalisation \u00e0 LED<\/a> pr\u00e9sentent des avantages \u00e9vidents.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>1. Bonne visibilit\u00e9 :<\/strong>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Elle peut conserver une bonne visibilit\u00e9 et des indicateurs de performance dans des conditions m\u00e9t\u00e9orologiques difficiles telles que l'\u00e9clairage continu, la pluie, le sable et la poussi\u00e8re. La lumi\u00e8re \u00e9mise par la LED est monochromatique, de sorte que les couleurs de signalisation rouge, jaune et verte n'ont pas besoin d'\u00eatre produites par la plaque de couleur ; la lumi\u00e8re \u00e9mise par la LED est directionnelle et a un certain angle de divergence. Elle permet d'abandonner le miroir asph\u00e9rique utilis\u00e9 dans les feux de signalisation traditionnels. Cette caract\u00e9ristique des LED r\u00e9sout le probl\u00e8me de l'illusion (commun\u00e9ment appel\u00e9e faux affichage) et du changement de couleur des feux de signalisation traditionnels, et am\u00e9liore l'efficacit\u00e9 lumineuse.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>2. \u00c9conomie d'\u00e9nergie :&nbsp;<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>Les avantages des sources lumineuses LED en mati\u00e8re d'\u00e9conomie d'\u00e9nergie sont tr\u00e8s importants. L'une de leurs caract\u00e9ristiques notables est leur faible consommation d'\u00e9nergie, ce qui est tr\u00e8s important pour l'utilisation des lampes.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>3. Faible \u00e9nergie thermique :<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>La LED est la conversion directe de l'\u00e9nergie \u00e9lectrique en une source lumineuse, la chaleur g\u00e9n\u00e9r\u00e9e est tr\u00e8s faible, et presque aucune chaleur n'est lib\u00e9r\u00e9e. Le refroidissement des feux de signalisation \u00e0 LED permet d'\u00e9viter les br\u00fblures du personnel de maintenance et d'obtenir une dur\u00e9e de vie plus longue.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>4. Longue dur\u00e9e de vie :&nbsp;<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>L'environnement de travail de la lampe est relativement difficile, avec beaucoup de chaleur, de froid, de soleil et de pluie, ce qui exige une grande fiabilit\u00e9 de la lampe. La dur\u00e9e de vie moyenne des lampes de signalisation ordinaires et des lampes \u00e0 incandescence est de 1 000 heures, et celle des lampes halog\u00e8nes basse tension de 2 000 heures. Les co\u00fbts de maintenance sont donc \u00e9lev\u00e9s. Il n'y a pas de dommages caus\u00e9s par la vibration du filament du feu de signalisation \u00e0 DEL, et il n'y a pas de probl\u00e8me de bris de verre.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>5. R\u00e9ponse rapide :<\/strong>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>La r\u00e9action des feux de circulation tels que les lampes halog\u00e8nes au tungst\u00e8ne est moins bonne que celle des feux de circulation \u00e0 LED, ce qui r\u00e9duit le nombre d'accidents de la circulation.<\/p>\n<p>&nbsp;<\/p>\n<p>En raison du r\u00f4le important des feux de circulation dans le trafic urbain, de nombreux feux de circulation doivent \u00eatre mis \u00e0 jour chaque ann\u00e9e, ce qui cr\u00e9e un march\u00e9 plus important et aura un impact positif sur l'ensemble de l'industrie des LED.<\/p>","protected":false},"excerpt":{"rendered":"<p>Avec la commercialisation de LED haute luminosit\u00e9 de couleurs rouge, jaune et verte, les LED ont progressivement remplac\u00e9 les lampes \u00e0 incandescence traditionnelles et les lampes halog\u00e8nes au tungst\u00e8ne comme feux de circulation. Depuis le\u2026<\/p>","protected":false},"author":1,"featured_media":1409,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"footnotes":""},"categories":[38,44],"tags":[],"class_list":["post-1410","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>Development Trend of LED Traffic Signals<\/title>\n<meta name=\"description\" content=\"With the commercialization of high-brightness LEDs in red, yellow, and green colors, LEDs have gradually replaced traditional incandescent lamps and tungsten halogen lamps as traffic lights. 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