{"id":8674,"date":"2021-10-01T12:40:56","date_gmt":"2021-10-01T12:40:56","guid":{"rendered":"https:\/\/knowhow.distrelec.com\/?p=8674"},"modified":"2021-10-12T08:38:30","modified_gmt":"2021-10-12T08:38:30","slug":"6-facons-dutiliser-limagerie-thermique-pour-la-maintenance-preventive-des-systemes-de-cvc","status":"publish","type":"post","link":"https:\/\/knowhow.distrelec.com\/fr\/maintenance-reparation-et-exploitation\/6-facons-dutiliser-limagerie-thermique-pour-la-maintenance-preventive-des-systemes-de-cvc\/","title":{"rendered":"6 fa\u00e7ons d&rsquo;utiliser l&rsquo;imagerie thermique pour la maintenance pr\u00e9ventive des syst\u00e8mes de CVC"},"content":{"rendered":"\n<p>L&rsquo;imagerie thermique est un outil essentiel pour l&rsquo;entretien et la r\u00e9paration des syst\u00e8mes de chauffage, de ventilation et de climatisation. Tout comme les appareils d&rsquo;imagerie m\u00e9dicale dans le secteur de la sant\u00e9 (rayons X, IRM, etc.), l&rsquo;imagerie thermique peut \u00eatre utilis\u00e9e comme outil de diagnostic et de pr\u00e9vention pour la maintenance des b\u00e2timents. Lorsqu&rsquo;elles sont utilis\u00e9es par des techniciens chevronn\u00e9s, les cam\u00e9ras thermiques peuvent aider \u00e0 diagnostiquer les probl\u00e8mes des syst\u00e8mes CVC avant qu&rsquo;ils ne deviennent graves. On estime que le co\u00fbt moyen du remplacement d&rsquo;un syst\u00e8me CVC en 2021 se situe entre 4 000 et 17 000 euros environ ; ce sont des probl\u00e8mes qui m\u00e9ritent d&rsquo;\u00eatre \u00e9vit\u00e9s.<\/p>\n\n\n\n<p>Comment \u00e7a marche exactement ? Ces cam\u00e9ras affichent l&rsquo;\u00e9nergie infrarouge \u00e9mise par un objet. La temp\u00e9rature d&rsquo;un objet ou d&rsquo;une substance d\u00e9termine le niveau d&rsquo;\u00e9nergie infrarouge qu&rsquo;il ou elle \u00e9met. Les cam\u00e9ras thermiques peuvent ainsi faire la distinction entre les zones chaudes et froides et utiliser ces informations pour r\u00e9soudre les probl\u00e8mes en cons\u00e9quence. Voici les principaux probl\u00e8mes que l&rsquo;imagerie thermique peut identifier :<\/p>\n\n\n\n<h2 id=\"1-identifier-les-fuites-dans-les-conduits-dairv\" class=\"wp-block-heading\"><strong>1. Identifier les fuites dans les conduits d&rsquo;air<\/strong>v<\/h2>\n\n\n\n<figure class=\"wp-block-image alignwide size-full\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"384\"  height=\"289\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAYAAAAEhAQMAAABMSeW3AAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAACRJREFUaN7twQEBAAAAgiD\/r25IQAEAAAAAAAAAAAAAAADAgQE3UQABI0Y6NAAAAABJRU5ErkJggg==\"  alt=\"\"  class=\"wp-image-8539 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 384px) 100vw, 384px\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/1.png\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/1.png 384w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/1.png?resize=300,225 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/1.png?resize=380,286 380w\" ><\/figure>\n\n\n\n<p>La capacit\u00e9 de l&rsquo;imagerie thermique \u00e0 cartographier les diff\u00e9rences de temp\u00e9rature peut \u00eatre utilis\u00e9e pour identifier les zones de variation du flux d&rsquo;air l\u00e0 o\u00f9 il devrait \u00eatre uniforme. Un professionnel qualifi\u00e9 peut utiliser ces informations pour d\u00e9terminer si un probl\u00e8me de circulation d&rsquo;air ou une fuite existe et recommander des solutions ou des mesures pr\u00e9ventives.<\/p>\n\n\n\n<p>En d&rsquo;autres termes, l&rsquo;imagerie thermique peut \u00eatre un outil pr\u00e9cieux pour vous aider \u00e0 \u00e9conomiser de l&rsquo;argent \u00e0 court et \u00e0 long terme. En \u00e9liminant les inefficacit\u00e9s en mati\u00e8re d&rsquo;\u00e9nergie et de flux d&rsquo;air avant qu&rsquo;elles ne g\u00e9n\u00e8rent des co\u00fbts op\u00e9rationnels ou des dommages, les b\u00e2timents peuvent rester occup\u00e9s et actifs sans interruption. La perte de chaleur et de flux d&rsquo;air peut cr\u00e9er des probl\u00e8mes comme les barrages de glace, o\u00f9 la fonte des neiges et les variations de temp\u00e9rature capturent l&rsquo;eau et causent de graves dommages. Ou, lorsque le flux d&rsquo;air d&rsquo;un b\u00e2timent cr\u00e9e un d\u00e9s\u00e9quilibre de l&rsquo;\u00e9change d&rsquo;air, le syst\u00e8me CVC du b\u00e2timent peut \u00eatre surcharg\u00e9, ce qui entra\u00eene des niveaux de temp\u00e9rature et d&rsquo;humidit\u00e9 hors normes. Les avantages d&rsquo;une d\u00e9tection pr\u00e9coce permettent de r\u00e9soudre rapidement les probl\u00e8mes et de faire fonctionner efficacement les syst\u00e8mes du b\u00e2timent en r\u00e9duisant les co\u00fbts de maintenance et d&rsquo;\u00e9nergie.<\/p>\n\n\n\n<h2 id=\"2-enveloppe-du-batiment-isolation-et-infiltration-dair\" class=\"wp-block-heading\"><strong>2. Enveloppe du b\u00e2timent, isolation et infiltration d&rsquo;air<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image alignwide size-full\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"512\"  height=\"384\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAgAAAAGAAQMAAADh7kj8AAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAC9JREFUeNrtwQENAAAAwqD3T20ON6AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAC+DWGAAAF9oY5oAAAAAElFTkSuQmCC\"  alt=\"\"  class=\"wp-image-8546 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 512px) 100vw, 512px\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/2.png\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/2.png 512w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/2.png?resize=300,225 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/2.png?resize=380,285 380w\" ><\/figure>\n\n\n\n<p>L&rsquo;efficacit\u00e9 \u00e9nerg\u00e9tique d\u00e9pend fortement de l&rsquo;int\u00e9grit\u00e9 de l&rsquo;enveloppe d&rsquo;un b\u00e2timent, notamment l&rsquo;isolation, les fen\u00eatres et les portes. L&rsquo;imagerie thermique peut aider \u00e0 identifier les endroits o\u00f9 l&rsquo;air climatis\u00e9 s&rsquo;\u00e9chappe ou les endroits o\u00f9 l&rsquo;air non climatis\u00e9 p\u00e9n\u00e8tre involontairement dans un b\u00e2timent. Cela permet de r\u00e9aliser des r\u00e9parations ou des mises \u00e0 niveau qui peuvent am\u00e9liorer le niveau d&rsquo;isolation de l&rsquo;enveloppe.<\/p>\n\n\n\n<h2 id=\"3-localisation-des-defauts-dans-les-planchers-chauffants\" class=\"wp-block-heading\"><strong>3. Localisation des d\u00e9fauts dans les planchers chauffants<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image alignwide size-full\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"512\"  height=\"385\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAgAAAAGBAQMAAAAqsptZAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAC5JREFUeNrtwQEBAAAAgiD\/r25IQAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAJwbYcEAATT1GSkAAAAASUVORK5CYII=\"  alt=\"\"  class=\"wp-image-8553 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 512px) 100vw, 512px\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/3.png\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/3.png 512w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/3.png?resize=300,225 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/3.png?resize=380,286 380w\" ><\/figure>\n\n\n\n<p>Le plancher chauffant est une excellente option de chauffage parce qu&rsquo;il est constant, confortable et relativement rentable. L&rsquo;inconv\u00e9nient est que la source de chauffage, un tuyau rempli de liquide, est cach\u00e9e derri\u00e8re ou sous les surfaces finies. Les fuites ou les pertes d&rsquo;\u00e9nergie sont difficiles \u00e0 rep\u00e9rer sans l&rsquo;utilisation de l&rsquo;imagerie thermique. Les cam\u00e9ras thermiques permettent aux inspecteurs immobiliers d&rsquo;examiner le syst\u00e8me sans avoir \u00e0 d\u00e9monter le plancher.<\/p>\n\n\n\n<h2 id=\"4-diagnostic-des-problemes-de-serpentins-de-condenseurs\" class=\"wp-block-heading\"><strong>4. Diagnostic des probl\u00e8mes de serpentins de condenseurs<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"271\"  height=\"272\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAQ8AAAEQAQMAAACUYWMzAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAB9JREFUaN7twQEBAAAAgiD\/r25IQAEAAAAAAAAAAHwYJTAAAYbkicoAAAAASUVORK5CYII=\"  alt=\"\"  class=\"wp-image-8560 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 271px) 100vw, 271px\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/4.png\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/4.png 271w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/4.png?resize=150,150 150w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/4.png?resize=80,80 80w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/4.png?resize=110,110 110w\" ><\/figure><\/div>\n\n\n\n<p>Dans les climatiseurs, plusieurs signes peuvent indiquer que les composants du serpentin ont \u00e9t\u00e9 endommag\u00e9s ou ne fonctionnent pas correctement. L&rsquo;imagerie thermique peut aider \u00e0 identifier les probl\u00e8mes sp\u00e9cifiques du serpentin de condenseur. Ces variations peuvent indiquer des probl\u00e8mes tels que des blocages dus \u00e0 des d\u00e9bris, qui peuvent emp\u00eacher le transfert de chaleur et obliger le syst\u00e8me \u00e0 travailler davantage.<\/p>\n\n\n\n<h2 id=\"5-agir-rapidement-en-cas-de-surchauffe-des-connexions-electriques\" class=\"wp-block-heading\"><strong>5. Agir rapidement en cas de surchauffe des connexions \u00e9lectriques<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image alignwide size-full\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"512\"  height=\"361\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAgAAAAFpAQMAAADQpQK2AAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAC1JREFUeNrtwQEBAAAAgiD\/r25IQAEAAAAAAAAAAAAAAAAAAAAAAAAAAADAoQFbqQABAi9ScwAAAABJRU5ErkJggg==\"  alt=\"\"  class=\"wp-image-8567 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 512px) 100vw, 512px\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/5.png\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/5.png 512w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/5.png?resize=300,212 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/5.png?resize=380,268 380w\" ><\/figure>\n\n\n\n<p>Les dispositifs de s\u00e9curit\u00e9 incendie et de s\u00e9curit\u00e9 des personnes peuvent alerter les occupants en cas de fum\u00e9e, de CO ou d&rsquo;incendie. Mais l&rsquo;imagerie thermique permet d&rsquo;identifier les zones o\u00f9 les connexions \u00e9lectriques sont en train de surchauffer et peuvent pr\u00e9senter un risque d&rsquo;incendie. La surchauffe des composants \u00e9lectriques ou m\u00e9caniques peut les faire tomber en panne, ce qui perturbe les op\u00e9rations et entra\u00eene des r\u00e9parations co\u00fbteuses.<\/p>\n\n\n\n<h2 id=\"6-prevention-proactive-des-moisissures\" class=\"wp-block-heading\"><strong>6. Pr\u00e9vention proactive des moisissures<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image alignwide size-full\"><img  loading=\"lazy\"  decoding=\"async\"  width=\"490\"  height=\"368\"  src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAeoAAAFwAQMAAABNXqpcAAAAA1BMVEUAAP+KeNJXAAAAAXRSTlMAQObYZgAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAC1JREFUeNrtwQENAAAAwqD3T20PBxQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAzwZakAABmevkcQAAAABJRU5ErkJggg==\"  alt=\"\"  class=\"wp-image-8574 pk-lazyload\"  data-pk-sizes=\"auto\"  data-ls-sizes=\"auto, (max-width: 490px) 100vw, 490px\"  data-pk-src=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/6_1.jpg\"  data-pk-srcset=\"https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/6_1.jpg 490w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/6_1.jpg?resize=300,225 300w, https:\/\/knowhow.distrelec.com\/wp-content\/uploads\/2021\/09\/6_1.jpg?resize=380,285 380w\" ><\/figure>\n\n\n\n<p>Durant ces derni\u00e8res ann\u00e9es, les b\u00e2timents ont \u00e9t\u00e9 moins occup\u00e9s ou inoccup\u00e9s en raison de la pand\u00e9mie. Les fuites d&rsquo;eau et la formation de moisissures sont donc des pr\u00e9occupations majeures pour les propri\u00e9taires de b\u00e2timents qui se pr\u00e9parent \u00e0 retrouver une occupation compl\u00e8te. L&rsquo;imagerie thermique peut jouer un r\u00f4le crucial dans la pr\u00e9vention des probl\u00e8mes de moisissures en aidant \u00e0 identifier les zones \u00e0 forte humidit\u00e9 ou \u00e0 forte condensation.<\/p>\n\n\n\n<p>En d\u00e9tectant ces conditions \u00e0 un stade pr\u00e9coce et avant que les syst\u00e8mes de climatisation des b\u00e2timents ne fonctionnent \u00e0 plein r\u00e9gime, les gestionnaires d&rsquo;installations ont l&rsquo;occasion d&rsquo;ajuster les param\u00e8tres de CVC ou d&rsquo;effectuer des r\u00e9parations avant que la moisissure ne perturbe la qualit\u00e9 de l&rsquo;air et les activit\u00e9s op\u00e9rationnelles. L&rsquo;utilisation de l&rsquo;imagerie thermique peut aider \u00e0 identifier les zones o\u00f9 les variations de temp\u00e9rature de l&rsquo;air cr\u00e9ent un exc\u00e8s d&rsquo;humidit\u00e9 et des conditions de croissance potentielles pour les moisissures dans l&rsquo;enveloppe d&rsquo;un b\u00e2timent ou dans des espaces ferm\u00e9s.<\/p>\n\n\n\n<h2 id=\"lessentiel\" class=\"wp-block-heading\"><strong>L&rsquo;essentiel<\/strong><\/h2>\n\n\n\n<p>En tant que technicien CVC qualifi\u00e9, vous savez que les b\u00e2timents et syst\u00e8mes \u00e0 haute performance sont souvent interconnect\u00e9s et interd\u00e9pendants. La capacit\u00e9 \u00e0 trouver et \u00e0 corriger les inefficacit\u00e9s du syst\u00e8me CVC d&rsquo;un b\u00e2timent peut contribuer \u00e0 l&rsquo;efficacit\u00e9 \u00e9nerg\u00e9tique globale, en particulier dans les b\u00e2timents o\u00f9 les syst\u00e8mes de chauffage, de refroidissement et de plomberie \u00e9changent de l&rsquo;\u00e9nergie thermique. L&rsquo;imagerie thermique peut vous aider \u00e0 diagnostiquer ces probl\u00e8mes plus rapidement. Vous conna\u00eetrez plus t\u00f4t l&rsquo;origine du probl\u00e8me, ce qui vous permettra de le r\u00e9soudre plus rapidement.<\/p>\n\n\n\n<p>La capacit\u00e9 d&rsquo;anticiper les probl\u00e8mes potentiels li\u00e9s \u00e0 l&rsquo;\u00e9nergie ou \u00e0 l&rsquo;eau est essentielle pour les personnes charg\u00e9es de l&rsquo;entretien des syst\u00e8mes de b\u00e2timents efficaces. La thermographie offre un moyen non invasif d&rsquo;identifier les zones de perte d&rsquo;\u00e9nergie et de cibler les fuites ou autres faiblesses du syst\u00e8me de CVC avant qu&rsquo;elles n&rsquo;entra\u00eenent des dommages ou des d\u00e9penses.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-red-background-color has-background\" href=\"https:\/\/www.distrelec.com\/global\/?search=hikmicro\" target=\"_blank\" rel=\"noreferrer noopener\">Parcourir la gamme Hikmicro<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"L&rsquo;imagerie thermique est un outil essentiel pour l&rsquo;entretien et la r\u00e9paration des syst\u00e8mes de chauffage, de ventilation et&hellip;\n","protected":false},"author":4,"featured_media":8580,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"csco_singular_sidebar":"","csco_page_header_type":"","csco_appearance_grid":"","csco_page_load_nextpost":"","csco_post_video_location":[],"csco_post_video_location_hash":"","csco_post_video_url":"","csco_post_video_bg_start_time":0,"csco_post_video_bg_end_time":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[184],"tags":[535,605,421,1593],"coauthors":[],"class_list":{"0":"post-8674","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-maintenance-reparation-et-exploitation","8":"tag-hikmicro-3","9":"tag-imagerie-thermique","10":"tag-test-et-mesure","11":"tag-cameras-thermiques","12":"cs-entry","13":"cs-video-wrap"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - 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