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1. (CN1540796) Battery pack and power tool using same

المكتب : الصين
رقم الطلب: 200410042206.7 تاريخ الطلب: 14.01.2000
رقم النشر: 1540796 تاريخ النشر: 27.10.2004
رقم التسليم: 1282274 تاريخ التسليم: 25.10.2006
نوع النشر: C
التصنيف الدولي للبراءات:
H01M 10/50
H01M 2/10
B25F 5/00
Description not available in lang arDescription not available in lang arDescription not available in lang ar
المتقدمون: Matsushita Electric Industrial Co., Ltd.
松下电器产业株式会社
المخترعون: Dansui Yoshitaka
暖水庆孝
Ura Hironori
浦弘典
Yokoo Sadaaki
横尾定显
广田道雄
الوكلاء: gu junfeng
上海专利商标事务所有限公司
بيانات الأولوية: 190026/99 05.07.1999 JP
العنوان: (EN) Battery pack and power tool using same
(ZH) 电池组和使用它的电动工具
الملخص: front page image
(EN) Temperature rise of secondary battery during charging and discharging is suppressed. As a result, deterioration of discharge capability of a battery pack is prevented and a power tool capable of maintaining an excellent driving force continuously is obtained. The constitution includes a plurality of batteries stacked up, a case, a heat collector disposed in the center of the plurality of batteries, a heat radiator placed at one side of the case, and a first heat transfer unit placed for connecting the heat collector and heat radiator. The power tool includes a housing having a junction, a power unit placed in said housing, a battery pack connected at the junction, and an external heat collecting plate contacting with both junction and battery pack, and disposed between the junction and the battery pack.
(ZH)

本发明涉及一种电动工具,具有:框体;设于所述框体上的电动机;多个堆积的二次电池;将所述多个二次电池封入的电池箱;具有设置在所述电池箱外侧、与所述框体嵌合的嵌合部的电池组;设置成在所述电池组的外侧与所述电池组连接的外部热收集板;外部散热器;以及设于所述外部热收集板与所述外部散热器之间的外传热单元。本发明可以在充放电期间抑制二次电池的温度上升,其结果能防止电池组的放电能力的劣化,并能得到连续保持良好驱动力的电动工具。