Title:
LARGE-POWER PORTABLE LITHIUM BATTERY PACK FOR ELECTRIC TOOL
Document Type and Number:
WIPO Patent Application WO/2018/019127
Kind Code:
A1
Abstract:
A large-power portable lithium battery pack for an electric tool. The lithium battery pack comprises a battery management system, a high-voltage lithium battery, and a discharge protection device. An input end of the battery management system is connected to a direct current power supply. Positive and negative electrodes of an output end of the battery management system are correspondingly connected to positive and negative electrodes of the high-voltage lithium battery. An input end of the discharge protection device is connected to an output end of the high-voltage lithium battery. An output end of the discharge protection device is used as a power supply output end of the lithium battery pack. The solution of the present invention improves safety of a large-power portable lithium battery pack for an electric tool, and reduces a cost, volume, and circuit complexity thereof.
Inventors:
TONG TIANYE (CN)
Application Number:
PCT/CN2017/092611
Publication Date:
February 01, 2018
Filing Date:
July 12, 2017
Export Citation:
Assignee:
SUZHOU LUCK POWER ELECTRONICS TECH CO LTD (CN)
International Classes:
H02J7/00
Foreign References:
| CN104868546A | 2015-08-26 | |||
| CN103972869A | 2014-08-06 | |||
| CN106208197A | 2016-12-07 | |||
| CN205863993U | 2017-01-04 | |||
| CN103730936A | 2014-04-16 | |||
| JP2005130663A | 2005-05-19 |
Attorney, Agent or Firm:
BEIJING SANYOU INTELLECTUAL PROPERTY AGENCY LTD. (CN)
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