{"id":9574,"date":"2026-03-04T15:17:28","date_gmt":"2026-03-04T14:17:28","guid":{"rendered":"https:\/\/rodervision.com\/products\/led-backlight-illuminators\/"},"modified":"2026-05-21T21:32:56","modified_gmt":"2026-05-21T19:32:56","slug":"led-backlight-illuminators","status":"publish","type":"page","link":"https:\/\/rodervision.com\/fr\/products\/led-backlight-illuminators\/","title":{"rendered":"R\u00e9tro\u00e9clairage LED Illuminateurs LED"},"content":{"rendered":"\n<p class=\"has-text-align-left wp-block-paragraph\">L&rsquo;\u00e9clairage par r\u00e9tro\u00e9clairage est la technique la plus fiable pour la mesure Dimensionnelle, la d\u00e9tection des bords et l&rsquo;inspection bas\u00e9e sur la silhouette dans les syst\u00e8mes d&rsquo;Inspection Optique Automatis\u00e9e. Plac\u00e9 derri\u00e8re ou sous la pi\u00e8ce inspect\u00e9e, un r\u00e9tro\u00e9clairage g\u00e9n\u00e8re une silhouette sombre tr\u00e8s contrast\u00e9e sur un champ lumineux uniforme, \u00e9liminant ainsi les variables que sont la texture de la surface, les variations de couleur et la r\u00e9flectivit\u00e9. Il en r\u00e9sulte une image binaire, exempte de bruit, que les algorithmes de vision peuvent traiter avec une r\u00e9p\u00e9tabilit\u00e9 maximale et une pr\u00e9cision inf\u00e9rieure au pixel.  <\/p>\n\n<p class=\"wp-block-paragraph\">La s\u00e9rie BL de Roder Vision couvre toute la gamme des besoins en r\u00e9tro\u00e9clairage industriel : des panneaux compacts \u00e0 haute intensit\u00e9 pour une int\u00e9gration \u00e9troite sur les lignes de convoyage, aux configurations ultra-uniformes \u00e0 grande surface pour les t\u00e2ches exigeantes d&rsquo;inspection des produits pharmaceutiques, de l&rsquo;\u00e9lectronique et de l&#8217;emballage. Toutes les s\u00e9ries prennent en charge le fonctionnement continu et stroboscopique, int\u00e8grent des pilotes \u00e0 courant constant 24 Vdc et sont construites autour de la technologie propri\u00e9taire de gestion thermique HTTM pour une stabilit\u00e9 lumineuse \u00e0 long terme. <\/p>\n\n<p class=\"has-text-align-left wp-block-paragraph\">Disponible en plusieurs tailles et longueurs d&rsquo;onde. OEM (Fabricant d&rsquo;\u00c9quipement d&rsquo;Origine). <\/p>\n\n<div class=\"wp-block-group is-layout-constrained wp-container-core-group-is-layout-15701bb7 wp-block-group-is-layout-constrained\">\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-large has-custom-border has-lightbox\"><a href=\"https:\/\/rodervision.com\/fr\/products\/led-backlight-illuminators\/led-backlight-illuminators-bl1-series\/\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/i0.wp.com\/rodervision.com\/wp-content\/uploads\/2026\/01\/banner_BL1_home_roder_vision.png?resize=1024%2C1024&#038;ssl=1\" alt=\"\" class=\"wp-image-7118\" style=\"border-width:1px;object-fit:contain\" srcset=\"https:\/\/i0.wp.com\/rodervision.com\/wp-content\/uploads\/2026\/01\/banner_BL1_home_roder_vision.png?resize=1024%2C1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/rodervision.com\/wp-content\/uploads\/2026\/01\/banner_BL1_home_roder_vision.png?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/rodervision.com\/wp-content\/uploads\/2026\/01\/banner_BL1_home_roder_vision.png?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/rodervision.com\/wp-content\/uploads\/2026\/01\/banner_BL1_home_roder_vision.png?resize=768%2C768&amp;ssl=1 768w, https:\/\/i0.wp.com\/rodervision.com\/wp-content\/uploads\/2026\/01\/banner_BL1_home_roder_vision.png?resize=120%2C120&amp;ssl=1 120w, https:\/\/i0.wp.com\/rodervision.com\/wp-content\/uploads\/2026\/01\/banner_BL1_home_roder_vision.png?w=1200&amp;ssl=1 1200w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/a><\/figure>\n\n\n\n<p class=\"has-text-align-center has-ti-accent-color has-text-color has-link-color wp-elements-4af58f0c110dd55c7c5cf4c4f1b6c187 wp-block-paragraph\"><strong><a href=\"https:\/\/rodervision.com\/fr\/products\/led-backlight-illuminators\/led-backlight-illuminators-bl1-series\/\">R\u00e9tro-\u00e9clairage haute densit\u00e9. D\u00e9tection pr\u00e9cise des silhouettes et des bords pour l&rsquo;inspection dimensionnelle <\/a><\/strong><\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-large has-custom-border has-lightbox\"><a href=\"https:\/\/rodervision.com\/fr\/products\/led-backlight-illuminators\/led-backlight-illuminators-bl2-series\/\"><img data-recalc-dims=\"1\" height=\"1024\" width=\"1024\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/rodervision.com\/wp-content\/uploads\/2026\/01\/banner_BL2_home_roder_vision.png?resize=1024%2C1024&#038;ssl=1\" alt=\"\" class=\"wp-image-7117\" style=\"border-width:1px;object-fit:contain\"\/><\/a><\/figure>\n\n\n\n<p class=\"has-text-align-center has-ti-accent-color has-text-color has-link-color wp-elements-ab4f4b5f2f7de7e9ac93a522a705c6b9 wp-block-paragraph\"><strong><a href=\"https:\/\/rodervision.com\/fr\/products\/led-backlight-illuminators\/led-backlight-illuminators-bl2-series\/\">R\u00e9tro-\u00e9clairage ultra-uniforme de grande surface. Conception \u00e0 profil bas pour une int\u00e9gration parfaite dans la machine. <\/a><\/strong><\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-large has-custom-border has-lightbox\"><a href=\"https:\/\/rodervision.com\/fr\/products\/led-backlight-illuminators\/serie-bl3-retroeclairage-led-illuminateurs-led-pour-la-vision-industrielle\/\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/i0.wp.com\/rodervision.com\/wp-content\/uploads\/2026\/01\/banner_BL3_home_roder_vision.png?resize=1024%2C1024&#038;ssl=1\" alt=\"\" class=\"wp-image-7116\" style=\"border-width:1px;object-fit:cover\" srcset=\"https:\/\/i0.wp.com\/rodervision.com\/wp-content\/uploads\/2026\/01\/banner_BL3_home_roder_vision.png?resize=1024%2C1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/rodervision.com\/wp-content\/uploads\/2026\/01\/banner_BL3_home_roder_vision.png?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/rodervision.com\/wp-content\/uploads\/2026\/01\/banner_BL3_home_roder_vision.png?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/rodervision.com\/wp-content\/uploads\/2026\/01\/banner_BL3_home_roder_vision.png?resize=768%2C768&amp;ssl=1 768w, https:\/\/i0.wp.com\/rodervision.com\/wp-content\/uploads\/2026\/01\/banner_BL3_home_roder_vision.png?resize=120%2C120&amp;ssl=1 120w, https:\/\/i0.wp.com\/rodervision.com\/wp-content\/uploads\/2026\/01\/banner_BL3_home_roder_vision.png?w=1200&amp;ssl=1 1200w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/a><\/figure>\n\n\n\n<p class=\"has-text-align-center has-ti-accent-color has-text-color has-link-color wp-elements-574ae0fa59579a45b43906ee3f19aed5 wp-block-paragraph\"><a href=\"https:\/\/rodervision.com\/fr\/products\/led-backlight-illuminators\/serie-bl3-retroeclairage-led-illuminateurs-led-pour-la-vision-industrielle\/\"><strong>R\u00e9tro-\u00e9clairage mince, plusieurs tailles et longueurs d&rsquo;onde. Modes continu et stroboscopique disponibles. <\/strong><\/a><\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-large has-custom-border has-lightbox\"><a href=\"https:\/\/rodervision.com\/fr\/products\/led-backlight-illuminators\/illuminateurs-led-en-retroeclairage-serie-bl4\/\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/i0.wp.com\/rodervision.com\/wp-content\/uploads\/2026\/01\/banner_BL4_home_roder_vision.png?resize=1024%2C1024&#038;ssl=1\" alt=\"\" class=\"wp-image-7115\" style=\"border-width:1px;object-fit:contain\" srcset=\"https:\/\/i0.wp.com\/rodervision.com\/wp-content\/uploads\/2026\/01\/banner_BL4_home_roder_vision.png?resize=1024%2C1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/rodervision.com\/wp-content\/uploads\/2026\/01\/banner_BL4_home_roder_vision.png?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/rodervision.com\/wp-content\/uploads\/2026\/01\/banner_BL4_home_roder_vision.png?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/rodervision.com\/wp-content\/uploads\/2026\/01\/banner_BL4_home_roder_vision.png?resize=768%2C768&amp;ssl=1 768w, https:\/\/i0.wp.com\/rodervision.com\/wp-content\/uploads\/2026\/01\/banner_BL4_home_roder_vision.png?resize=120%2C120&amp;ssl=1 120w, https:\/\/i0.wp.com\/rodervision.com\/wp-content\/uploads\/2026\/01\/banner_BL4_home_roder_vision.png?w=1200&amp;ssl=1 1200w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/a><\/figure>\n\n\n\n<p class=\"has-text-align-center has-ti-accent-color has-text-color has-link-color wp-elements-ac2820597fae2689c2b41c03aa63d858 wp-block-paragraph\"><a href=\"https:\/\/rodervision.com\/fr\/products\/led-backlight-illuminators\/illuminateurs-led-en-retroeclairage-serie-bl4\/\"><strong>\u00c9mission ultra-uniforme sur toute la surface. Luminosit\u00e9 stable pour des mesures r\u00e9p\u00e9t\u00e9es<\/strong><\/a>.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-large has-custom-border has-lightbox\"><a href=\"https:\/\/rodervision.com\/fr\/products\/led-backlight-illuminators\/led-backlight-illuminators-bl5-series\/\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/i0.wp.com\/rodervision.com\/wp-content\/uploads\/2026\/01\/Banner-BL5-Home-RODER-ViSION.png?resize=1024%2C1024&#038;ssl=1\" alt=\"\" class=\"wp-image-7190\" style=\"border-width:1px;object-fit:contain\" srcset=\"https:\/\/i0.wp.com\/rodervision.com\/wp-content\/uploads\/2026\/01\/Banner-BL5-Home-RODER-ViSION.png?resize=1024%2C1024&amp;ssl=1 1024w, https:\/\/i0.wp.com\/rodervision.com\/wp-content\/uploads\/2026\/01\/Banner-BL5-Home-RODER-ViSION.png?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/rodervision.com\/wp-content\/uploads\/2026\/01\/Banner-BL5-Home-RODER-ViSION.png?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/rodervision.com\/wp-content\/uploads\/2026\/01\/Banner-BL5-Home-RODER-ViSION.png?resize=768%2C768&amp;ssl=1 768w, https:\/\/i0.wp.com\/rodervision.com\/wp-content\/uploads\/2026\/01\/Banner-BL5-Home-RODER-ViSION.png?resize=120%2C120&amp;ssl=1 120w, https:\/\/i0.wp.com\/rodervision.com\/wp-content\/uploads\/2026\/01\/Banner-BL5-Home-RODER-ViSION.png?w=1200&amp;ssl=1 1200w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/a><\/figure>\n\n\n\n<p class=\"has-text-align-center has-ti-accent-color has-text-color has-link-color wp-elements-34ce073d309a2b613a3edb1791e6c82e wp-block-paragraph\"><a href=\"https:\/\/rodervision.com\/fr\/products\/led-backlight-illuminators\/led-backlight-illuminators-bl5-series\/\"><strong>R\u00e9tro-\u00e9clairage haute performance pour la vision automatis\u00e9e. Intensit\u00e9 stable \u00e0 chaque cycle d&rsquo;acquisition<\/strong><\/a>.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n<h2 class=\"wp-block-heading\">Illuminateurs R\u00e9tro\u00e9clairage LED pour Syst\u00e8mes de Vision Industriels : Guide technique et crit\u00e8res de S\u00e9lection<\/h2>\n\n<p class=\"wp-block-paragraph\">L&rsquo;\u00e9clairage par r\u00e9tro\u00e9clairage fonctionne selon un principe optique fondamentalement diff\u00e9rent de toutes les techniques d&rsquo;\u00e9clairage par l&rsquo;avant. Plut\u00f4t que d&rsquo;illuminer la surface d&rsquo;une pi\u00e8ce, un R\u00e9tro\u00e9clairage transmet la lumi\u00e8re \u00e0 travers l&rsquo;espace autour de la pi\u00e8ce, atteignant directement le capteur de la cam\u00e9ra. L&rsquo;objet inspect\u00e9 bloque cette lumi\u00e8re, projetant une silhouette nette et tr\u00e8s contrast\u00e9e que le Syst\u00e8me d&rsquo;Inspection analyse pour extraire les donn\u00e9es dimensionnelles, d\u00e9tecter les anomalies des bords, v\u00e9rifier les profils et identifier les caract\u00e9ristiques manquantes ou mal form\u00e9es.  <\/p>\n\n<p class=\"wp-block-paragraph\">Cette g\u00e9om\u00e9trie optique \u00e9limine pratiquement toutes les variables li\u00e9es \u00e0 la surface &#8211; couleur, texture, r\u00e9flectivit\u00e9 et finition de la surface &#8211; de l&rsquo;\u00e9quation de mesure. C&rsquo;est pr\u00e9cis\u00e9ment cette immunit\u00e9 aux variations de surface qui fait de l&rsquo;\u00c9clairage R\u00e9tro\u00e9clairage la solution privil\u00e9gi\u00e9e pour la mesure dimensionnelle et l&rsquo;inspection des profils dans tous les secteurs industriels. <\/p>\n\n<h2 class=\"wp-block-heading\">Pourquoi l&rsquo;uniformit\u00e9 est-elle le param\u00e8tre de performance essentiel ?<\/h2>\n\n<p class=\"wp-block-paragraph\">Dans les applications d&rsquo;\u00e9clairage frontal, l&rsquo;intensit\u00e9 Lumineuse est la principale sp\u00e9cification. Dans le cas du R\u00e9tro\u00e9clairage, c&rsquo;est l&rsquo;<strong>uniformit\u00e9<\/strong> qui prime. Un r\u00e9tro\u00e9clairage non uniforme introduit des gradients de luminosit\u00e9 dans le champ \u00e9clair\u00e9 qui modifient la position apparente des bords de l&rsquo;image acquise. Cela se traduit directement par une erreur de mesure &#8211; un \u00e9cart d&rsquo;uniformit\u00e9 de quelques pour cent peut produire des erreurs de positionnement sous-pixel qui invalident une inspection dimensionnelle de haute pr\u00e9cision.   <\/p>\n\n<p class=\"wp-block-paragraph\">Les illuminateurs de la s\u00e9rie RODER BL sont con\u00e7us avec des matrices de LED \u00e0 haute densit\u00e9, des ensembles de diffuseurs de pr\u00e9cision et des pilotes \u00e0 courant constant int\u00e9gr\u00e9s qui maintiennent une sortie stable et uniforme sur l&rsquo;ensemble de la surface active. L&rsquo;uniformit\u00e9 est sp\u00e9cifi\u00e9e et v\u00e9rifi\u00e9e lors de la production, et non pas estim\u00e9e. Pour les applications dont les exigences de tol\u00e9rance sont de l&rsquo;ordre de \u00b10,05 mm ou plus, un r\u00e9tro\u00e9clairage \u00e0 haute uniformit\u00e9 n&rsquo;est pas optionnel &#8211; c&rsquo;est une condition pr\u00e9alable du syst\u00e8me.  <\/p>\n\n<h2 class=\"wp-block-heading\">Principales applications de l&rsquo;Illuminateur R\u00e9tro\u00e9clairage LED<\/h2>\n\n<p class=\"wp-block-paragraph\"><strong>Mesure Dimensionnelle et jaugeage<\/strong> &#8211; Le R\u00e9tro\u00e9clairage est la technique d&rsquo;\u00e9clairage standard pour la mesure dimensionnelle sans contact de pi\u00e8ces usin\u00e9es, de composants emboutis, de profils tourn\u00e9s et de g\u00e9om\u00e9tries form\u00e9es. L&rsquo;image de la silhouette fournit des donn\u00e9es de bord nettes et sans ambigu\u00eft\u00e9 pour les algorithmes de pied \u00e0 coulisse, de diam\u00e8tre et de profil. <\/p>\n\n<p class=\"wp-block-paragraph\"><strong>V\u00e9rification de la pr\u00e9sence et de l&rsquo;absence<\/strong> &#8211; Dans le cadre de l&rsquo;inspection des emballages pharmaceutiques, des lignes d&#8217;emballage alimentaire et de l&rsquo;Assemblage \u00c9lectronique, les r\u00e9tro\u00e9clairages confirment la pr\u00e9sence de comprim\u00e9s, de composants ou d&rsquo;inserts dans chaque cavit\u00e9 ou position du support. La nature binaire de l&rsquo;image de la silhouette rend la d\u00e9tection robuste, m\u00eame \u00e0 des vitesses de ligne \u00e9lev\u00e9es. <\/p>\n\n<p class=\"wp-block-paragraph\"><strong>Inspection de Conteneurs et de fermetures<\/strong> &#8211; La mesure du niveau de remplissage des bouteilles et flacons transparents, la v\u00e9rification de l&rsquo;assise du bouchon et le contr\u00f4le de l&rsquo;int\u00e9grit\u00e9 du joint reposent tous sur la transmission du r\u00e9tro\u00e9clairage. Le r\u00e9tro\u00e9clairage r\u00e9v\u00e8le la g\u00e9om\u00e9trie interne et la position du m\u00e9nisque avec une clart\u00e9 qu&rsquo;aucune technique d&rsquo;\u00e9clairage frontal ne peut reproduire sur les mat\u00e9riaux transparents. <\/p>\n\n<p class=\"wp-block-paragraph\"><strong>Inspection des composants \u00e9lectroniques<\/strong> &#8211; La pr\u00e9sence des broches des connecteurs, la coplanarit\u00e9 des fils et la v\u00e9rification des contours des composants sur les cartes de circuits imprim\u00e9s et les grilles de connexion b\u00e9n\u00e9ficient d&rsquo;un \u00e9clairage par r\u00e9tro\u00e9clairage, qui rend les fines caract\u00e9ristiques m\u00e9talliques sous forme de silhouettes noires nettes, sans les reflets sp\u00e9culaires qui compliquent les images des pi\u00e8ces m\u00e9talliques \u00e9clair\u00e9es par l&rsquo;avant.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>Inspection de bandes textiles et de films<\/strong> &#8211; Associ\u00e9s \u00e0 des cam\u00e9ras lin\u00e9aires, les r\u00e9tro\u00e9clairages \u00e0 haute intensit\u00e9 r\u00e9v\u00e8lent les trous, les inclusions et les variations de transparence dans les bandes de mat\u00e9riaux continus &#8211; films, tissus non tiss\u00e9s, papier et feuilles &#8211; \u00e0 la vitesse de la cha\u00eene de production.<\/p>\n\n<h2 class=\"wp-block-heading\">Technologie des diffuseurs : Diffuseurs opales et diffuseurs structur\u00e9s<\/h2>\n\n<p class=\"wp-block-paragraph\">Le diffuseur optique positionn\u00e9 entre la matrice de LED et la surface \u00e9mettrice est un composant critique qui d\u00e9termine directement les performances d&rsquo;uniformit\u00e9. Les \u00c9clairage Diffusateurs de la s\u00e9rie BL de RODER utilisent des mat\u00e9riaux de diffusion con\u00e7us pour \u00e9quilibrer trois param\u00e8tres concurrents : l&rsquo;uniformit\u00e9, l&rsquo;efficacit\u00e9 de la transmission de l&rsquo;intensit\u00e9 et la distribution angulaire. <\/p>\n\n<p class=\"wp-block-paragraph\">Un diffuseur opale offre une uniformit\u00e9 maximale en diffusant la lumi\u00e8re sur un champ large et uniforme &#8211; au prix d&rsquo;une certaine intensit\u00e9. Un diffuseur structur\u00e9 maintient une transmission plus \u00e9lev\u00e9e tout en obtenant une uniformit\u00e9 acceptable, ce qui en fait le choix pr\u00e9f\u00e9r\u00e9 pour les applications \u00e0 grande vitesse o\u00f9 un flux maximal est requis. La sp\u00e9cification correcte du diffuseur d\u00e9pend de la tol\u00e9rance d&rsquo;uniformit\u00e9 de l&rsquo;application et des contraintes de temps d&rsquo;exposition de la cam\u00e9ra.  <\/p>\n\n<h2 class=\"wp-block-heading\">Dimensionner correctement le R\u00e9tro\u00e9clairage<\/h2>\n\n<p class=\"wp-block-paragraph\">Un R\u00e9tro\u00e9clairage doit \u00eatre plus grand que le Champ de Vision qu&rsquo;il \u00e9claire. La r\u00e8gle technique standard consiste \u00e0 dimensionner la zone d&rsquo;\u00e9mission active au moins 25 % plus grande que le FOV (Champ de Vision) dans chaque dimension. Les r\u00e9tro\u00e9clairages sous-dimensionn\u00e9s produisent un assombrissement caract\u00e9ristique des bords &#8211; une r\u00e9duction progressive de la luminosit\u00e9 vers le p\u00e9rim\u00e8tre de la zone illumin\u00e9e &#8211; qui d\u00e9grade la d\u00e9finition des bords \u00e0 l&rsquo;endroit pr\u00e9cis o\u00f9 se trouvent les points de mesure.  <\/p>\n\n<p class=\"wp-block-paragraph\">Pour les applications de convoyage o\u00f9 les pi\u00e8ces se d\u00e9placent sur la surface du r\u00e9tro\u00e9clairage, l&rsquo;\u00c9cluminateur doit couvrir toute la largeur de la bande plus une marge suffisante pour maintenir un \u00e9clairage uniforme tout au long du passage de la plus grande pi\u00e8ce de la gamme de produits.<\/p>\n\n<h2 class=\"wp-block-heading\">La s\u00e9rie RODER BL en bref<\/h2>\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>S\u00e9rie<\/th><th>Caract\u00e9ristiques principales<\/th><th>Application primaire<\/th><\/tr><\/thead><tbody><tr><td><strong>BL1<\/strong><\/td><td>Matrice compacte, haute intensit\u00e9, haute densit\u00e9<\/td><td>D\u00e9tection des bords, inspection dimensionnelle de petites pi\u00e8ces<\/td><\/tr><tr><td><strong>BL2<\/strong><\/td><td>Ultra-uniforme, haute densit\u00e9, profil bas<\/td><td>Inspection des Emballages Pharmaceutiques, Emballages<\/td><\/tr><tr><td><strong>BL3<\/strong><\/td><td>Conception \u00e9troite, plusieurs tailles et longueurs d&rsquo;onde<\/td><td>Syst\u00e8mes polyvalents d&rsquo;int\u00e9gration, de convoyage et de banc<\/td><\/tr><tr><td><strong>BL4<\/strong><\/td><td>Un rendement ultra-uniforme, un contr\u00f4le Qualit\u00e9 complexe<\/td><td>Mesures de haute pr\u00e9cision, inspection de l&rsquo;\u00e9lectronique<\/td><\/tr><tr><td><strong>BL5<\/strong><\/td><td>Haute performance, intensit\u00e9 stable<\/td><td>AOI professionnel (Inspection Optique Automatis\u00e9e)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<h2 class=\"wp-block-heading\">Fonctionnement continu ou stroboscopique<\/h2>\n\n<p class=\"wp-block-paragraph\">Tous les illuminateurs de la s\u00e9rie RODER BL fonctionnent \u00e0 la fois en mode continu et en mode stroboscopique. Le mode continu convient aux stations de vision de table et aux lignes d&rsquo;inspection \u00e0 vitesse faible \u00e0 moyenne, o\u00f9 le temps d&rsquo;Exposition de la cam\u00e9ra n&rsquo;est pas un facteur limitant. Le mode stroboscopique &#8211; pilot\u00e9 par un contr\u00f4leur d&rsquo;impulsions externe synchronis\u00e9 avec le d\u00e9clenchement de la cam\u00e9ra &#8211; permet \u00e0 l&rsquo;Illuminateur de fonctionner \u00e0 des courants de cr\u00eate bien sup\u00e9rieurs \u00e0 la valeur nominale continue, g\u00e9n\u00e9rant ainsi un flux instantan\u00e9 nettement plus \u00e9lev\u00e9. C&rsquo;est la bonne approche pour les applications de convoyeur Haute Vitesse o\u00f9 des temps d&rsquo;Exposition courts n\u00e9cessiteraient autrement des courants d&rsquo;entra\u00eenement continus inacceptables, avec la charge thermique associ\u00e9e.   <\/p>\n\n<p class=\"wp-block-paragraph\">Pour le dimensionnement d&rsquo;applications sp\u00e9cifiques, la s\u00e9lection des longueurs d&rsquo;onde ou la conception de l&rsquo;int\u00e9gration, l&rsquo;\u00e9quipe technique de Roder Vision est \u00e0 votre disposition pour vous fournir une assistance directe.<\/p>\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>L&rsquo;\u00e9clairage par r\u00e9tro\u00e9clairage est la technique la plus fiable pour la mesure Dimensionnelle, la d\u00e9tection des bords et l&rsquo;inspection bas\u00e9e sur la silhouette dans les syst\u00e8mes d&rsquo;Inspection Optique Automatis\u00e9e. Plac\u00e9 derri\u00e8re ou sous la pi\u00e8ce inspect\u00e9e, un r\u00e9tro\u00e9clairage g\u00e9n\u00e8re une silhouette sombre tr\u00e8s contrast\u00e9e sur un champ lumineux uniforme, \u00e9liminant ainsi les variables que sont [&hellip;]<\/p>\n","protected":false},"author":157040980,"featured_media":9563,"parent":9540,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_wpcom_ai_launchpad_about_page":false,"_wpcom_ai_launchpad_gallery_page":false,"footnotes":""},"class_list":["post-9574","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>R\u00e9tro\u00e9clairage LED pour l&#039;inspection par Vision Industrielle | Roder Vision<\/title>\n<meta name=\"description\" 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