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一种动力电池包智能分级泄压阀及热失控防护方法

InventionUnknown
10Claims · 2 independent
§ Ⅰ

Dossier Overview

Inventor

向永川; 黄晴

Filing Date

Aug 24, 2026

Publication Date

Oct 20, 2026

IPC Classification

H01M 50/375 (2021.01)A62C 3/16 (2006.01)A62C 37/00 (2006.01)H01M 50/317 (2021.01)H01M 50/383 (2021.01)H01M 50/35 (2021.01)H01M 50/242 (2021.01)H01M 50/24 (2021.01)

本发明涉及电池管理技术领域,公开了一种动力电池包智能分级泄压阀及热失控防护方法,阀体上部形成有独立的透气通道和泄压通道;透气通道出口端安装有透气膜片;泄压通道出口端安装有防回火组件;泄压通道远离出口端的预设位置处安装有具有反拱刻槽型结构的弱化膜片;弱化膜片受阀体内部压力影响具有正常状态和翻转状态;阀体中部,灭火介质组件的独立喷放通道延伸至透气通道内;独立喷放通道的喷放口朝向阀体底部对准电池包内部;弱化膜片连接有剪切销锁定触发机构;剪切销锁定触发机构受弱化膜片处于翻转状态的驱动以触发灭火介质组件动作。本发明实现了从日常压差气流平衡到紧急泄压、再到主动灭火的智能化且安全可靠的电池防护。

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