{"id":1722,"date":"2025-03-28T11:10:00","date_gmt":"2025-03-28T03:10:00","guid":{"rendered":"https:\/\/www.bosaenergy.cn\/?p=1722"},"modified":"2025-12-25T11:17:40","modified_gmt":"2025-12-25T03:17:40","slug":"conception-de-la-structure-du-cadre-du-bloc-batterie-au-lithium","status":"publish","type":"post","link":"https:\/\/www.bosaenergy.cn\/fr\/battery-pack-lithium-battery-pack-frame-structure-design\/","title":{"rendered":"BLOC-BATTERIES | Conception de la structure du cadre du bloc-batterie au lithium"},"content":{"rendered":"
Aper\u00e7u de la batterie au lithium et du cadre<\/h3>\n\n\n\n
Un bloc-batterie au lithium se compose principalement d'un ch\u00e2ssis de charge (ch\u00e2ssis inf\u00e9rieur, ch\u00e2ssis sup\u00e9rieur), d'une batterie au lithium, de composants de connexion haute tension (tels que des connecteurs haute tension), de composants de connexion basse tension (tels que des connecteurs basse tension), etc.<\/p>\n\n\n\n\u2460- Cadre sup\u00e9rieur ; \u2461- Cadre inf\u00e9rieur ; \u2462- Bloc-batterie au lithium ; \u2463- Composants haute tension ; \u2464- Composants basse tension (inclus)<\/figcaption><\/figure>\n\n\n\n
Le support de la batterie au lithium sert non seulement de support \u00e0 divers composants, mais fait \u00e9galement office de \u201c\u00a0pont\u00a0\u201d reliant l'ensemble du v\u00e9hicule. La batterie au lithium est assembl\u00e9e sur le v\u00e9hicule gr\u00e2ce \u00e0 la structure de montage de ce support.<\/p>\n\n\n\nNIO<\/figcaption><\/figure>\n\n\n\n
Afin de faciliter l'installation et la maintenance, le ch\u00e2ssis porteur est g\u00e9n\u00e9ralement divis\u00e9 en un ch\u00e2ssis sup\u00e9rieur et un ch\u00e2ssis inf\u00e9rieur. Le ch\u00e2ssis inf\u00e9rieur supporte principalement les composants et la plus grande partie du poids du syst\u00e8me de batterie\u00a0; le ch\u00e2ssis sup\u00e9rieur joue g\u00e9n\u00e9ralement un r\u00f4le de protection et a des exigences de charge moindres\u00a0;<\/p>\n\n\n\n
Conception du cadre inf\u00e9rieur<\/h3>\n\n\n\n
En tant que principal \u00e9l\u00e9ment porteur du syst\u00e8me de batterie, le ch\u00e2ssis inf\u00e9rieur est relativement complexe \u00e0 concevoir. De nombreux facteurs entrent en ligne de compte lors de sa conception, notamment la r\u00e9sistance m\u00e9canique, l'\u00e9tanch\u00e9it\u00e9, la r\u00e9sistance \u00e0 la corrosion et le poids. Actuellement, les proc\u00e9d\u00e9s de fabrication des ch\u00e2ssis inf\u00e9rieurs utilis\u00e9s dans les syst\u00e8mes de batteries comprennent le travail de la t\u00f4le, l'emboutissage \u00e0 froid, le moulage par extrusion et le moulage sous pression.<\/p>\n\n\n\n
(1) Conception bas\u00e9e sur l'enveloppe du v\u00e9hicule et le processus de batterie au lithium<\/p>\n\n\n\n
Diff\u00e9rents types et proc\u00e9d\u00e9s de fabrication de batteries au lithium conviennent \u00e0 diff\u00e9rents sch\u00e9mas de conception de ch\u00e2ssis.<\/p>\n\n\n\n
L'agencement des batteries est r\u00e9alis\u00e9 en fonction du type de batterie s\u00e9lectionn\u00e9 et de son processus de fabrication. La disposition des batteries dans le cadre est appel\u00e9e technologie de groupement. Les avantages et les inconv\u00e9nients de cette technique, ainsi que la conformit\u00e9 du cadre aux normes, sont des indicateurs importants. L'efficacit\u00e9 du groupement correspond au rapport entre le poids et l'espace utile des batteries. Plus ce rapport est \u00e9lev\u00e9, meilleure est l'efficacit\u00e9 du groupement.<\/p>\n\n\n\n
La conception du ch\u00e2ssis de la batterie doit prendre en compte la disposition, la fixation et la gestion thermique de la batterie dans le ch\u00e2ssis.<\/p>\n\n\n\n
Les piles prismatiques sont principalement dispos\u00e9es verticalement le long de la hauteur.<\/p>\n\n\n\nLes piles prismatiques sont dispos\u00e9es verticalement le long de la hauteur<\/figcaption><\/figure>\n\n\n\n
Il existe deux principaux modes de fixation\u00a0: la fixation par support, qui est la solution modulaire traditionnelle, et la fixation sans support, telle que la solution CTP (Cell to Pack), dans laquelle la cellule de batterie est fix\u00e9e directement au cadre avec de la colle.<\/p>\n\n\n\n
(2) Conception bas\u00e9e sur la densit\u00e9 de puissance et d'\u00e9nergie<\/p>\n\n\n\n
L'agencement des batteries est r\u00e9alis\u00e9 en fonction de la puissance et de la tension requises par le v\u00e9hicule. Cette \u00e9tape permet de r\u00e9aliser une premi\u00e8re d\u00e9composition dimensionnelle, de l'enveloppe \u00e0 la batterie. En fonction du type de batterie et de ses dimensions, on peut estimer sa densit\u00e9 \u00e9nerg\u00e9tique, sa densit\u00e9 volumique, etc. Le choix et l'agencement des composants sont ensuite v\u00e9rifi\u00e9s afin de confirmer leur conformit\u00e9 avec les technologies actuelles du secteur.<\/p>\n\n\n\n
Les diff\u00e9rents syst\u00e8mes de batteries ont des plateformes de tension diff\u00e9rentes, et le nombre de batteries \u00e0 regrouper dans le syst\u00e8me sera \u00e9galement diff\u00e9rent.<\/p>\n\n\n\n
Conception du cadre sup\u00e9rieur<\/h3>\n\n\n\n
Le cadre sup\u00e9rieur, en collaboration avec le cadre inf\u00e9rieur, forme un espace clos prot\u00e9geant les composants internes. Le choix du mat\u00e9riau du cadre sup\u00e9rieur repose principalement sur son adaptabilit\u00e9 environnementale, notamment sa r\u00e9sistance aux hautes temp\u00e9ratures et \u00e0 la corrosion, ainsi que sur sa robustesse, afin de r\u00e9pondre aux exigences de r\u00e9sistance structurelle du syst\u00e8me de batterie. Actuellement, les mat\u00e9riaux principalement utilis\u00e9s sont la t\u00f4le et les mat\u00e9riaux composites.<\/p>\n\n\n\n
Avec la promotion et l'application de la solution CTC, le cadre sup\u00e9rieur sera \u00e9galement int\u00e9gr\u00e9 au ch\u00e2ssis du v\u00e9hicule.<\/p>\n\n\n\n
Autres conceptions auxiliaires<\/h3>\n\n\n\n
(1) Conception de l'\u00e9tanch\u00e9it\u00e9<\/p>\n\n\n\n
La jonction entre les cadres sup\u00e9rieur et inf\u00e9rieur doit \u00eatre \u00e9tanche pour assurer l'\u00e9tanch\u00e9it\u00e9 \u00e0 l'eau et \u00e0 la poussi\u00e8re.<\/p>\n\n\n\n
(2) Conception d'\u00e9quilibre de la pression d'air<\/p>\n\n\n\n
Il existe une diff\u00e9rence de pression entre l'int\u00e9rieur et l'ext\u00e9rieur du cadre \u00e9tanche, influenc\u00e9e par la temp\u00e9rature, l'altitude, etc. Une diff\u00e9rence de pression excessive exerce une force suppl\u00e9mentaire sur le cadre, alt\u00e8re sa structure et peut m\u00eame provoquer son explosion. Des dispositifs tels que des soupapes d'\u00e9quilibrage de pression ou des valves de ventilation sont souvent utilis\u00e9s pour compenser ces diff\u00e9rences de pression interne et externe.<\/p>\n\n\n\n
Une autre fonction de la conception \u00e0 \u00e9quilibrage de pression d'air est d'assurer une lib\u00e9ration d'air opportune.<\/p>\n\n\n\n
(3) Conception de la gestion thermique<\/p>\n\n\n\n
(4) Conception de s\u00e9curit\u00e9<\/p>\n\n\n\n
La conception du cadre doit \u00e9galement prendre en compte les dispositifs de s\u00e9curit\u00e9 correspondants, tels que la protection contre les chocs \u00e9lectriques, la protection contre l'extrusion, la protection contre les collisions, la protection contre l'emballement thermique, etc.<\/p>\n\n\n\n
(5) Conception des raccords haute et basse pression<\/p>\n\n\n\n
\u00c9nergie Bosa<\/h3>\n\n\n\n
Bosa Energy, forte d'une capacit\u00e9 de 150 GWh et d'une exp\u00e9rience de plus de 400\u00a0000 applications dans des bus et v\u00e9hicules utilitaires \u00e9lectriques, figure parmi les 5 premi\u00e8res entreprises du secteur des batteries de puissance en Chine. Nous collaborons avec des entreprises telles que Yutong, Geely et Damiler.<\/p>\n\n\n\n
Nous proposons \u00e9galement des syst\u00e8mes de stockage d'\u00e9nergie en conteneur et avons livr\u00e9 6 GWh en 2024 (soit 75\u00a0000 Model 3 \u00e9quip\u00e9es de batteries de 80 kWh). Sur le march\u00e9 local, nous assurons un service OEM pour Changan, CALB, National Grid, Ping Gao Electric, Xuji Electronics et Ruineng Electronics, nos principaux fournisseurs de syst\u00e8mes de stockage d'\u00e9nergie en conteneur en Chine.<\/p>\n\n\n\n
Nous sommes le fournisseur le plus professionnel de batteries au lithium marines en Chine, et notre volume d'exportation de batteries marines figure constamment parmi les trois premiers en Chine ; nous sommes \u00e9galement le premier exportateur de modules de batteries au lithium en Chine, sp\u00e9cialis\u00e9 dans la fourniture de diverses solutions de modules de batteries au lithium.<\/p>\n\n\n\n
Gr\u00e2ce \u00e0 leur excellente qualit\u00e9 et \u00e0 leurs performances exceptionnelles, nos produits sont pl\u00e9biscit\u00e9s dans plus de 30 pays \u00e0 travers le monde. Nous disposons \u00e9galement d'entrep\u00f4ts en Allemagne et aux Pays-Bas afin de garantir un approvisionnement s\u00fbr et des livraisons rapides \u00e0 nos clients.<\/p>\n\n\n\n
l Personnalis\u00e9 et flexible<\/p>\n\n\n\n
l Capacit\u00e9 de livraison \u00e9lev\u00e9e<\/p>\n\n\n\n
l Applications \u00e9tendues<\/p>\n\n\n\n
Exp\u00e9rience approfondie des batteries au lithium<\/p>","protected":false},"excerpt":{"rendered":"
Overview of lithium battery pack and frame Lithium battery pack mainly consists of a load frame (lower frame, upper frame), lithium battery, high-voltage connection components (such as high-voltage connectors), low-voltage connection components (such as low-voltage connectors), etc. The lithium battery frame not only serves as a carrier for various components, but also acts as a […]<\/p>\n","protected":false},"author":1,"featured_media":1725,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1722","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"\n
BATTERY PACK | Lithium battery pack frame structure design - BOSA lithium battery<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.bosaenergy.cn\/fr\/conception-de-la-structure-du-cadre-du-bloc-batterie-au-lithium\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"BATTERY PACK | Lithium battery pack frame structure design - BOSA lithium battery\" \/>\n<meta property=\"og:description\" content=\"Overview of lithium battery pack and frame Lithium battery pack mainly consists of a load frame (lower frame, upper frame), lithium battery, high-voltage connection components (such as high-voltage connectors), low-voltage connection components (such as low-voltage connectors), etc. The lithium battery frame not only serves as a carrier for various components, but also acts as a […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.bosaenergy.cn\/fr\/conception-de-la-structure-du-cadre-du-bloc-batterie-au-lithium\/\" \/>\n<meta property=\"og:site_name\" content=\"BOSA lithium battery\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/profile.php?id=100066454002295\" \/>\n<meta property=\"article:published_time\" content=\"2025-03-28T03:10:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-25T03:17:40+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.bosaenergy.cn\/wp-content\/uploads\/2025\/12\/1743062415134.png\" \/>\n\t<meta property=\"og:image:width\" content=\"799\" \/>\n\t<meta property=\"og:image:height\" content=\"449\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"rdgeoadmin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@BellaBosa\" \/>\n<meta name=\"twitter:site\" content=\"@BellaBosa\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"rdgeoadmin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.bosaenergy.cn\\\/fr\\\/battery-pack-lithium-battery-pack-frame-structure-design\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.bosaenergy.cn\\\/fr\\\/battery-pack-lithium-battery-pack-frame-structure-design\\\/\"},\"author\":{\"name\":\"rdgeoadmin\",\"@id\":\"https:\\\/\\\/www.bosaenergy.cn\\\/fr\\\/#\\\/schema\\\/person\\\/3f2f0ce6bef11625bf6a252e6f5798de\"},\"headline\":\"BATTERY PACK | Lithium battery pack frame structure design\",\"datePublished\":\"2025-03-28T03:10:00+00:00\",\"dateModified\":\"2025-12-25T03:17:40+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.bosaenergy.cn\\\/fr\\\/battery-pack-lithium-battery-pack-frame-structure-design\\\/\"},\"wordCount\":909,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.bosaenergy.cn\\\/fr\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.bosaenergy.cn\\\/fr\\\/battery-pack-lithium-battery-pack-frame-structure-design\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.bosaenergy.cn\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/1743062415134.png\",\"articleSection\":[\"News\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.bosaenergy.cn\\\/fr\\\/battery-pack-lithium-battery-pack-frame-structure-design\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.bosaenergy.cn\\\/fr\\\/battery-pack-lithium-battery-pack-frame-structure-design\\\/\",\"url\":\"https:\\\/\\\/www.bosaenergy.cn\\\/fr\\\/battery-pack-lithium-battery-pack-frame-structure-design\\\/\",\"name\":\"BATTERY PACK | Lithium battery pack frame structure design - 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