The invention discloses an outdoor wheel-type tool and a battery pack. The battery pack comprises a shell, a power supply and a battery pack, the plurality of battery cell units are arranged in the shell; the at least one discharge resistor can be electrically connected with the plurality of battery cell units; the plurality of switch elements are electrically connected with the plurality of battery cell units and the discharge resistor respectively; the parameter detection unit is arranged for detecting battery parameters of the battery pack; and the controller is set to control at least one switch element to be switched on when it is determined that the battery pack has a thermal runaway risk according to the battery parameters, so that at least one of the multiple battery cell units is discharged through the discharge resistor.
本申请公开了一种户外轮式工具及电池包,电池包包括:壳体;多个电芯单元,设置于所述壳体内;至少一个放电电阻,能与所述多个电芯单元电连接;多个开关元件,分别与所述多个电芯单元和所述放电电阻电连接;参数检测单元,设置在检测所述电池包的电池参数;控制器,设置为在根据所述电池参数确定所述电池包存在热失控风险时,控制至少一个所述开关元件导通,以使所述多个电芯单元中的至少一个通过所述放电电阻放电。
Outdoor wheeled tool and battery pack
户外轮式工具及电池包
29.10.2024
Patent
Elektronische Ressource
Chinesisch
IPC: | 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 / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |