Title:
ADAPTER AND BATTERY PACK AND ADAPTER COMBINATION
Document Type and Number:
WIPO Patent Application WO/2020/248563
Kind Code:
A1
Abstract:
An adapter, and a battery pack and adapter combination, the battery pack and adapter combination comprising: a battery pack, comprising a battery pack interface at least capable of being detachably connected to a power tool; a first adapter, comprising: a plug; an alternating current input interface electrically connected to the plug; an AC-DC conversion circuit electrically connected to the alternating current input interface; and a direct current output interface electrically connected to the AC-DC conversion circuit; and a second adapter capable of being electrically connected to the first adapter and the battery pack; the second adapter comprises: an adapter interface configured to be detachably connected to the battery pack interface; a direct current interface configured to be detachably electrically connected to the direct current output interface; a voltage conversion circuit connected in series between the direct current interface and the adapter interface; and a bidirectional control module connected between the direct current interface and the adapter interface and connecting the voltage conversion circuit.
Inventors:
GAO QING (CN)
ZHU HONG (CN)
LU ZHIJIAN (CN)
ZHU HONG (CN)
LU ZHIJIAN (CN)
Application Number:
PCT/CN2019/126426
Publication Date:
December 17, 2020
Filing Date:
December 18, 2019
Export Citation:
Assignee:
NANJING CHERVON IND CO LTD (CN)
International Classes:
H02J7/00
Foreign References:
| CN107394833A | 2017-11-24 | |||
| CN204597589U | 2015-08-26 | |||
| CN201559182U | 2010-08-25 | |||
| CN204497813U | 2015-07-22 | |||
| US6191498B1 | 2001-02-20 | |||
| CN201910518043A | 2019-06-14 | |||
| CN201911047627A | 2019-10-30 |
Other References:
See also references of EP 3972072A4
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
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