The invention provides a high-temperature airflow extraction device, a power battery system and a vehicle, and belongs to the technical field of safety protection after thermal runaway of a vehicle power battery system. According to the vehicle, the high-temperature airflow extraction device is mounted on the power battery system and is matched with the gas guide pipe to extract high-temperature airflow, so that the problem that combustible materials outside a battery pack are easily and directly ignited after high-temperature gas in the power battery system of the vehicle flows out from a battery pack sealing notch damaged by high temperature in the prior art is solved. The high-temperature airflow extracting device comprises an air extracting pump, an anti-explosion balance valve is installed on the air extracting pump, an air pressure sensing cavity is formed in the anti-explosion balance valve, and the air pressure sensing cavity is communicated with the air extracting pump; a valve port is formed in the air pressure sensing cavity, a valve plug is installed at the valve port, and a hot melting plug tail is fixedly installed outside the air pressure sensing cavity; and the valve plug is connected with the hot melting plug tail through a spring.
本发明提供一种高温气流抽离装置及动力电池系统和车辆,属于车辆动力电池系统热失控后安全防护技术领域。本车辆通过其动力电池系统上安装高温气流抽离装置,再配合导气管将抽离出的高温气流,解决了现有技术中车辆动力电池系统内部高温气体从被高温破坏的电池包密封缺口处串出后,容易直接点燃电池包外部的可燃物的问题。本高温气流抽离装置,包括抽气泵,所述抽气泵上安装有防爆平衡阀,所述防爆平衡阀内部设有气压感知腔,所述气压感知腔和所述抽气泵连通;所述气压感知腔上设有阀口,所述阀口处安装有阀塞,所述气压感知腔外部固定安装有热熔塞尾;所述阀塞和所述热熔塞尾通过弹簧连接。
High-temperature airflow extraction device, power battery system and vehicle
一种高温气流抽离装置及动力电池系统和车辆
06.08.2024
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY |