{"id":6693,"date":"2023-01-18T10:58:37","date_gmt":"2023-01-18T09:58:37","guid":{"rendered":"https:\/\/wintech-groupe.com\/?p=6693"},"modified":"2024-11-22T12:19:50","modified_gmt":"2024-11-22T11:19:50","slug":"comment-fonctionne-la-thermographie-infrarouge","status":"publish","type":"post","link":"https:\/\/wintech-groupe.com\/fr\/actualites\/comment-fonctionne-la-thermographie-infrarouge\/","title":{"rendered":"Comment fonctionne la thermographie infrarouge ?"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-right:0px;--awb-padding-bottom:35px;--awb-padding-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:calc( 1280px + 0px );margin-left: calc(-0px \/ 2 );margin-right: calc(-0px \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:0px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:0px;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:0px;--awb-spacing-left-medium:0px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:0px;--awb-spacing-left-small:0px;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\" style=\"--awb-content-alignment:justify;\"><p>La\u202fthermographie infrarouge\u202fest une technique qui permet d&rsquo;<strong>obtenir une image thermique d&rsquo;une \u00ab\u202fsc\u00e8ne\u202f\u00bb par analyse des \u202finfrarouges<\/strong>. En effet, tout objet dont la temp\u00e9rature d\u00e9passe le z\u00e9ro absolu (environ -273\u00b0C) \u00e9met de l\u2019\u00e9nergie en surface, sous forme d\u2019ondes \u00e9lectromagn\u00e9tiques. Cette \u00e9nergie, capt\u00e9e par une cam\u00e9ra thermique, est convertie en temp\u00e9rature par un capteur int\u00e9gr\u00e9. L\u2019image obtenue, appel\u00e9e \u00ab\u202fthermogramme\u202f\u00bb, permet de <strong>d\u00e9tecter toute variation ou \u00e9l\u00e9vation du niveau d\u2019\u00e9chauffement des \u00e9quipements contr\u00f4l\u00e9s<\/strong>. Une \u00e9l\u00e9vation que l\u2019\u0153il humain ne peut d\u00e9celer dans des conditions normales de contr\u00f4le.<!--more--><\/p>\n<\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:15px;margin-bottom:15px;width:100%;\"><div class=\"fusion-separator-border sep-single sep-dotted\" style=\"--awb-height:20px;--awb-amount:20px;--awb-sep-color:#000000;border-color:#000000;border-top-width:2px;\"><\/div><\/div><div class=\"awb-toc-el awb-toc-el--1\" data-awb-toc-id=\"1\" data-awb-toc-options=\"{&quot;allowed_heading_tags&quot;:{&quot;h2&quot;:0},&quot;ignore_headings&quot;:&quot;&quot;,&quot;ignore_headings_words&quot;:&quot;inscription|article|lire|Cat\\u00e9gories|vus|newsletter|categories|posts&quot;,&quot;enable_cache&quot;:&quot;yes&quot;,&quot;highlight_current_heading&quot;:&quot;no&quot;,&quot;hide_hidden_titles&quot;:&quot;yes&quot;,&quot;limit_container&quot;:&quot;custom&quot;,&quot;select_custom_headings&quot;:&quot;&quot;,&quot;icon&quot;:&quot;fa-flag fas&quot;,&quot;counter_type&quot;:&quot;none&quot;}\"><div class=\"awb-toc-el__content\"><\/div><\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:15px;margin-bottom:15px;width:100%;\"><div class=\"fusion-separator-border sep-single sep-dotted\" style=\"--awb-height:20px;--awb-amount:20px;--awb-sep-color:#000000;border-color:#000000;border-top-width:2px;\"><\/div><\/div><div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top-small:0px;--awb-margin-right-small:0px;--awb-margin-bottom-small:0.6em;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:30;line-height:1.2;\">Comment mesurer l\u2019\u00e9chauffement des connectiques avec la thermographie infrarouge\u202f?<\/h2><\/div><div class=\"fusion-text fusion-text-2\" style=\"--awb-content-alignment:justify;\"><p>La thermographie infrarouge permet de <strong>pr\u00e9venir les risques associ\u00e9s aux \u00e9quipements \u00e9lectriques de haute et basse tension<\/strong>. Ces derniers peuvent \u00eatre soumis \u00e0 des arcs \u00e9lectriques plus ou moins intenses susceptibles d\u2019entra\u00eener des incendies voire des explosions accompagn\u00e9es \u00e9ventuellement de dommages corporels. Pour pr\u00e9venir et d\u00e9tecter en amont tout risque potentiel, l\u2019inspection p\u00e9riodique par thermographie infrarouge des zones critiques est une m\u00e9thode efficace reconnue.<\/p>\n<p>Pour effectuer une inspection par thermographie infrarouge, deux possibilit\u00e9s existent \u202f:<\/p>\n<ul>\n<li>La premi\u00e8re consiste \u00e0 <strong>ouvrir les plastrons des cellules haute tension<\/strong> afin d\u2019avoir un constat direct avec les jeux de barres de l\u2019\u00e9quipement \u00e9lectrique. <strong>Cette m\u00e9thode pr\u00e9sente des d\u00e9savantages et des limites de mesure<\/strong>. En premier lieu, elle n\u00e9cessite de couper l\u2019alimentation du r\u00e9seau HTA et a donc un impact sur la ou les cha\u00eenes de production. De plus, les plaques en plexiglas du plastron offrent seulement \u00e0 l&rsquo;op\u00e9rateur en thermographie la possibilit\u00e9 de mesurer leur chaleur<strong> et non celle des composants \u00e0 l&rsquo;int\u00e9rieur du mat\u00e9riel \u00e9lectrique<\/strong>. Notons \u00e9galement que ce mat\u00e9riau transparent stoppe les longueurs d\u2019ondes sup\u00e9rieures \u00e0 1 \u00b5m. Or, l\u2019\u00e9chauffement g\u00e9n\u00e9r\u00e9 par un dysfonctionnement li\u00e9 \u00e0 une connectique produit des rayonnements dans des longueurs d\u2019ondes sup\u00e9rieures \u00e0 1 \u00b5m.<\/li>\n<\/ul>\n<ul>\n<li>La seconde m\u00e9thode consiste \u00e0 <strong>implanter des hublots infrarouges<\/strong>, \u00e9tudi\u00e9s et con\u00e7us sp\u00e9cialement pour les \u00e9quipements \u00e9lectriques. Cette <strong>technologie, tr\u00e8s performante, permet de laisser passer les longueurs d\u2019ondes de l\u2019infrarouge (0,3 \u00b5m \u00e0 13 \u00b5m)<\/strong>. Le hublot mesure la chaleur des composants avec une faible perte en transmission (de l\u2019ordre de 10 % maximum).<\/li>\n<\/ul>\n<\/div><div class=\"fusion-separator fusion-full-width-sep\" style=\"align-self: center;margin-left: auto;margin-right: auto;margin-top:15px;margin-bottom:15px;width:100%;\"><\/div><div class=\"fusion-title title fusion-title-2 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top-small:0px;--awb-margin-right-small:0px;--awb-margin-bottom-small:0.6em;--awb-margin-left-small:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:30;line-height:1.2;\">Le hublot \u00e0 infrarouge H.VIR\u00ae pour une maintenance pr\u00e9ventive efficace par thermographie infrarouge<\/h2><\/div><div class=\"fusion-text fusion-text-3\" style=\"--awb-content-alignment:justify;\"><p>Le<a href=\"https:\/\/wintech-groupe.com\/fr\/hublots-ir\/h-vir\/\"> hublot de Haute Vision Infrarouge H.VIR\u00ae<\/a>, cr\u00e9\u00e9 et brevet\u00e9 par SOREM, filiale de Wintech Groupe, est utilis\u00e9 pour les \u00e9quipements \u00e9lectriques de la basse tension (BT) \u00e0 la haute tension (HT). Destin\u00e9 \u00e0 la maintenance pr\u00e9ventive, <strong>le H.VIR\u00ae se pose aussi bien sur mat\u00e9riel neuf que sur des installations existantes<\/strong> (cellules, alternateurs, moteurs, transformateurs, jeux de barre, etc). Il <strong>est le seul hublot au monde \u00e0 couvrir le plus large spectre de l\u2019infrarouge<\/strong> (Bandes I \u00e0 III).<\/p>\n<p>Le hublot H.VIR\u00ae pr\u00e9sente de nombreux avantages\u202fpour la thermographie infrarouge :<\/p>\n<ul>\n<li>Contr\u00f4le effectu\u00e9 en condition \u00e9lectrique de charge normale<\/li>\n<li>Pas d\u2019op\u00e9rations de pr\u00e9-inspection<\/li>\n<li>Pas d\u2019impact sur le mat\u00e9riel inspect\u00e9<\/li>\n<li>D\u00e9tection imm\u00e9diate de toute anomalie<\/li>\n<li>Adapt\u00e9 \u00e0 toutes les cam\u00e9ras IR<\/li>\n<li>Con\u00e7u pour un fonctionnement interne et externe<\/li>\n<\/ul>\n<\/div><\/div><\/div><\/div><\/div><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-2 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-justify-content-center fusion-flex-content-wrap\" style=\"max-width:1331.2px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_3_5 3_5 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:60%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.2%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:3.2%;--awb-width-medium:60%;--awb-order-medium:0;--awb-spacing-right-medium:3.2%;--awb-spacing-left-medium:3.2%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><!--HubSpot Call-to-Action Code --><span class=\"hs-cta-wrapper\" id=\"hs-cta-wrapper-814409f2-3666-4a4c-b2f0-4dfa18a801fe\"><span class=\"hs-cta-node hs-cta-814409f2-3666-4a4c-b2f0-4dfa18a801fe\" id=\"hs-cta-814409f2-3666-4a4c-b2f0-4dfa18a801fe\"><!--[if lte IE 8]><div id=\"hs-cta-ie-element\"><\/div><![endif]--><a href=\"https:\/\/hubspot-cta-redirect-eu1-prod.s3.amazonaws.com\/cta\/redirect\/25400659\/814409f2-3666-4a4c-b2f0-4dfa18a801fe\" ><img decoding=\"async\" class=\"hs-cta-img\" id=\"hs-cta-img-814409f2-3666-4a4c-b2f0-4dfa18a801fe\" style=\"border-width:0px;\" height=\"320\" width=\"570\" src=\"https:\/\/hubspot-no-cache-eu1-prod.s3.amazonaws.com\/cta\/default\/25400659\/814409f2-3666-4a4c-b2f0-4dfa18a801fe.png\"  alt=\"Nouveau call-to-action\"\/><\/a><\/span><script charset=\"utf-8\" src=\"https:\/\/js-eu1.hscta.net\/cta\/current.js\"><\/script><script type=\"text\/javascript\"> hbspt.cta.load(25400659, '814409f2-3666-4a4c-b2f0-4dfa18a801fe', {\"useNewLoader\":\"true\",\"region\":\"eu1\"}); <\/script><\/span><!-- end HubSpot Call-to-Action Code --><\/div><\/div><\/div><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La\u202fthermographie infrarouge\u202fest une technique qui permet d&rsquo;obtenir une image thermique d&rsquo;une \u00ab\u202fsc\u00e8ne\u202f\u00bb par analyse des\u202finfrarouges. <\/p>\n","protected":false},"author":1,"featured_media":9422,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"Thermographie infrarouge | Wintech Groupe","_seopress_titles_desc":"D\u00e9couvrez comment fonctionne la thermographie infrarouge pour la maintenance pr\u00e9ventive des \u00e9quipements \u00e9lectriques.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"none","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"both","_seopress_redirections_param":"","_seopress_redirections_type":301,"_seopress_analysis_target_kw":"thermographie infrarouge","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[{"_seopress_pro_rich_snippets_type":"none"}],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"content-type":"","footnotes":""},"categories":[7],"tags":[],"class_list":["post-6693","post","type-post","status-publish","format-standard","has-post-thumbnail","category-actualites"],"_links":{"self":[{"href":"https:\/\/wintech-groupe.com\/fr\/wp-json\/wp\/v2\/posts\/6693","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wintech-groupe.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wintech-groupe.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wintech-groupe.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wintech-groupe.com\/fr\/wp-json\/wp\/v2\/comments?post=6693"}],"version-history":[{"count":0,"href":"https:\/\/wintech-groupe.com\/fr\/wp-json\/wp\/v2\/posts\/6693\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wintech-groupe.com\/fr\/wp-json\/wp\/v2\/media\/9422"}],"wp:attachment":[{"href":"https:\/\/wintech-groupe.com\/fr\/wp-json\/wp\/v2\/media?parent=6693"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wintech-groupe.com\/fr\/wp-json\/wp\/v2\/categories?post=6693"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wintech-groupe.com\/fr\/wp-json\/wp\/v2\/tags?post=6693"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}