{"id":166,"date":"2018-12-29T21:12:34","date_gmt":"2018-12-30T05:12:34","guid":{"rendered":"https:\/\/phoseon.com\/?page_id=166"},"modified":"2022-11-23T10:53:11","modified_gmt":"2022-11-23T18:53:11","slug":"led-uv-system-lifetime","status":"publish","type":"page","link":"http:\/\/phoseon.com\/pt\/industrial-curing\/technology\/led-uv-system-lifetime\/","title":{"rendered":"Vida \u00fatil do sistema LED UV"},"content":{"rendered":"<section class=\"section-header\">\n\t<div class=\"grid-container\">\n\t\t<div class=\"grid-x grid-margin-x\">\n\t\t\t<div class=\"cell small-12\">\n\t\t\t    <h2>Longa vida \u00fatil do sistema LED UV<\/h2>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"cell small-6 small-offset-3\">\n\t\t\t\t\t\t<hr \/>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"cell small-10 small-offset-1\">\n\t\t\t    \t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/section>\n\n\n\n<p>Os diodos emissores de luz (LEDs) de estado s\u00f3lido produzem luz quando uma corrente el\u00e9trica flui do lado positivo (anodo) para o lado negativo (catodo). Como outros dispositivos de estado s\u00f3lido, os LEDs oferecem uma longa vida \u00fatil se utilizados corretamente. Se projetados corretamente, estes dispositivos semicondutores duram mais de 40.000 horas de tempo de opera\u00e7\u00e3o, ao contr\u00e1rio das l\u00e2mpadas UV tradicionais. As l\u00e2mpadas tradicionais produzem luz ao gerar um arco el\u00e9trico dentro de uma c\u00e2mara de g\u00e1s ionizado (tipicamente merc\u00fario) para excitar \u00e1tomos, que depois se decomp\u00f5em, emitindo f\u00f3tons.  Al\u00e9m disso, a Comiss\u00e3o Europ\u00e9ia (EC) atrav\u00e9s de suas diretrizes de Restri\u00e7\u00e3o de Subst\u00e2ncias Perigosas (RoHS) tem monitorado continuamente o r\u00e1pido progresso da capacidade dos LED UV. Muitos na ind\u00fastria prev\u00eaem que o CE come\u00e7ar\u00e1 a limitar o uso de l\u00e2mpadas tradicionais, come\u00e7ando primeiro com sistemas menores e depois trabalhando para sistemas maiores nos anos seguintes. Combinando a gera\u00e7\u00e3o de energia das atuais fontes de luz UV LED e a formula\u00e7\u00e3o correta de resinas cur\u00e1veis UV, fotoiniciadores e aditivos, \u00e9 poss\u00edvel superar as capacidades do processo atual para uma variedade de aplica\u00e7\u00f5es.<\/p>\n\n\n\n<p>Os LEDs UV s\u00e3o uma pequena, embora importante, parte de uma fonte de luz UV, mas o resto do sistema tamb\u00e9m deve ser levado em considera\u00e7\u00e3o ao discutir a vida \u00fatil. Isto inclui o circuito de controle interno mais o sistema de refrigera\u00e7\u00e3o para garantir que os LEDs permane\u00e7am dentro de suas especifica\u00e7\u00f5es operacionais, bem como a carca\u00e7a para proteger os LEDs de fatores ambientais. <\/p>\n\n\n\n<p>Os sistemas patenteados e propriet\u00e1rios da Phoseon utilizam gerenciamento t\u00e9rmico, t\u00e9cnicas de veda\u00e7\u00e3o, melhorias \u00f3pticas e circuitos de controle para maximizar o desempenho sem sacrificar a vida \u00fatil.<\/p>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-background\" href=\"https:\/\/discover.phoseon.com\/led-uv-systems-lifetime\" style=\"background-color:#633799\">Download da Nota T\u00e9cnica LED Lifetime<\/a><\/div>\n\n\n\n<hr class=\"wp-block-separator is-style-wide\"\/>\n\n\n\t<section class=\"section-header\">\n\t<div class=\"grid-container\">\n\t\t<div class=\"grid-x grid-margin-x\">\n\t\t\t<div class=\"cell small-12\">\n\t\t\t    <h2>Benef\u00edcios da tecnologia LED UV <\/h2>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"cell small-6 small-offset-3\">\n\t\t\t\t\t\t<hr \/>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"cell small-10 small-offset-1\">\n\t\t\t    \t\t\t    <p><p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19256 size-full\" src=\"https:\/\/phoseon.com\/wp-content\/uploads\/2020\/12\/BenefitsChart.jpg\" alt=\"\" width=\"960\" height=\"540\" srcset=\"https:\/\/phoseon.com\/wp-content\/uploads\/2020\/12\/BenefitsChart.jpg 960w, https:\/\/phoseon.com\/wp-content\/uploads\/2020\/12\/BenefitsChart-300x169.jpg 300w, https:\/\/phoseon.com\/wp-content\/uploads\/2020\/12\/BenefitsChart-768x432.jpg 768w, https:\/\/phoseon.com\/wp-content\/uploads\/2020\/12\/BenefitsChart-16x9.jpg 16w, https:\/\/phoseon.com\/wp-content\/uploads\/2020\/12\/BenefitsChart-640x360.jpg 640w\" sizes=\"(max-width: 639px) 98vw, (max-width: 1199px) 64vw, 770px\" \/><\/p>\n<\/p>\n\t\t\t    \t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/section>\n\n\n\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator is-style-wide\"\/>\n\n\n\t<section class=\"two-column-flex\">\n\t\t\t\t<div class=\"two-column-flex-container\">\n\t\t\t<div class=\"flex-item small-flex-item\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" alt=\"LED-Stack\" src=\"https:\/\/phoseon.com\/wp-content\/uploads\/2019\/01\/LED-Stack-2-640x321.jpg\" \/>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<div class=\"flex-item large-flex-item\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"two-column-cta-image-header\">Fatores que afetam a vida \u00fatil dos LEDs<\/h2>\t\t\t\t\t\t\t\t\t<p class=\"two-column-cta-image-content\"><p>Dois fatores principais que afetam a vida \u00fatil dos LEDs s\u00e3o a temperatura e a corrente. Como os LEDs convertem eletricidade em luz, o calor gera dentro da jun\u00e7\u00e3o p-n, conhecida como temperatura da jun\u00e7\u00e3o. Para que um diodo atinja a m\u00e1xima expectativa de vida \u00fatil, a temperatura da jun\u00e7\u00e3o tem que permanecer em uma zona de opera\u00e7\u00e3o segura. A sa\u00edda de energia UV de um diodo aumenta com a corrente de entrada, mas diminui com a temperatura da jun\u00e7\u00e3o. Em qualquer corrente de entrada fixa, quanto mais fria a temperatura da jun\u00e7\u00e3o permanecer, mais sa\u00edda UV o diodo fornecer\u00e1.<\/p>\n<\/p>\t\t\t\t\t\t<a href=\"http:\/\/phoseon.com\/pt\/contact-us\/\" target=\"\"\n\t\t\t\t\t\t\t class=\"button two-column-cta-image-button\">Contate-nos<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t<\/section>\n\n\n\n\n\n\n\n\n<hr class=\"wp-block-separator is-style-wide\"\/>\n\n\n\t<section class=\"two-column-flex\">\n\t\t\t\t<div class=\"two-column-flex-container\">\n\t\t\t<div class=\"flex-item small-flex-item\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" alt=\"Gr\u00e1fico, dados Phoseon Lifetest\" src=\"https:\/\/phoseon.com\/wp-content\/uploads\/2019\/01\/Graph_Phoseon_Lifetestdata.jpg\" \/>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<div class=\"flex-item large-flex-item\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"two-column-cta-image-header\">Caracter\u00edsticas de LED em fim de vida<\/h2>\t\t\t\t\t\t\t\t\t<p class=\"two-column-cta-image-content\"><p>O 'modo de falha' normal de um LED \u00e9 a degrada\u00e7\u00e3o gradual da sa\u00edda de luz. Muitos sistemas comerciais de ilumina\u00e7\u00e3o LED definem falha a 70% da sa\u00edda de opera\u00e7\u00e3o original, tamb\u00e9m conhecida como L70. As fontes de luz Phoseon s\u00e3o projetadas para garantir uma vida \u00fatil L80 (80% da sa\u00edda original) de pelo menos 40.000 horas, mas demonstraram fornecer L80 em at\u00e9 60.000 horas. A figura \u00e9 um dado real coletado pela Phoseon Technology de uma fonte de luz operada continuamente.<\/p>\n<\/p>\t\t\t\t\t\t<a href=\"http:\/\/phoseon.com\/pt\/contact-us\/\" target=\"\"\n\t\t\t\t\t\t\t class=\"button two-column-cta-image-button\">Contate-nos<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t<\/section>","protected":false},"excerpt":{"rendered":"<p>Diodos emissores de luz (LEDs) de estado s\u00f3lido produzem luz quando uma corrente el\u00e9trica flui do lado positivo (\u00e2nodo) para o lado negativo [...]<\/p>","protected":false},"author":2,"featured_media":0,"parent":160,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>LED UV System Lifetime - Phoseon Technology<\/title>\n<meta name=\"description\" content=\"Phoseon products offer a long LED UV system lifetime due to our patented and proprietary technology for UV curing. 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