摘要
目前主流的新能源动力电池中的液冷系统,其结构多为独立的液冷板通过冷却管路联通,存在结构复杂、重量大、成本高的缺点;而且由于冷却管路布置在电池包内部,接口多,零件多,密封失效风险大,一旦发生泄漏,将导致动力电池系统短路,进而可能引起失火爆炸等严重后果。针对上述问题,研究开发了集成式水冷动力电池壳体结构,将冷却系统集成在下壳体上,简化了电池壳体整体结构,降低了电池壳体的成本。通过将冷却液流道布置在下壳体的底板内部,大大减少了接口和零件的数量,降低了冷却管路发生泄漏导致电池模组短路的风险,并且通过冷却液流道的外壁直接与电池模组接触提高了冷却效果。
The liquid cooling system used in the mainstream new energy battery was independent cooling,the structure of it were plates connected with pipes,and had the disadvantages of complicated structure,heavy weight and high cost,and because the pipes were arranged inside the battery pack,there were many interfaces and parts,so the risk of seal failure was high.Once a leak occurred,it would cause short circuit in the battery system,even cause serious consequences such as fire and explosion.To solve those problems,the battery tray structure with integrated coolant was researched and developed,the cooling system was integrated on the tray,which simplified the overall structure and reduced the cost.By arranging the cooling channel inside the bottom plate of the tray,the quantity of interfaces and parts was greatly reduced,the risk of the battery module short circuit caused by leakage was reduced.In addition,the outer wall of the cooing channel was directly contact to the battery module to improve the cooling effect.
作者
李欣
胡淼
连正秋
LI Xin;HU Miao;LIAN Zhengqiu(Lingyun Industrial Co.,Ltd.,Shanghai 201708,China)
出处
《新技术新工艺》
2021年第2期36-39,共4页
New Technology & New Process
关键词
电池壳体
集成式液冷
结构设计
热管理分析
battery tray
integrated cooling
structure design
thermal management analysis
