Title:
BATTERY PROTECTION CIRCUIT AND ELECTRONIC CIGARETTE
Document Type and Number:
WIPO Patent Application WO/2019/169968
Kind Code:
A1
Abstract:
The present utility model provides a battery protection circuit, comprising a first protection chip. The first protection chip comprises an overcurrent detection end and a power output end. The overcurrent detection end of the first protection chip is connected to a charging circuit, and is also connected to a system power supply end. The power output end of the first protection chip is connected to a positive pole of a battery, and a negative pole of the battery is grounded. The present utility model also provides an electronic cigarette. The battery protection circuit and the electronic cigarette of the present utility model automatically disconnect the connection between the battery and the charging circuit or a discharging circuit by means of the first protection chip in the battery protection circuit, so as to prevent the occurrence of overcharging or overdischarging of the battery, thereby protecting the battery and the electronic cigarette.
Inventors:
QIU WEIHUA (CN)
CHEN HANSEN (CN)
CHEN HANSEN (CN)
Application Number:
PCT/CN2019/073115
Publication Date:
September 12, 2019
Filing Date:
January 25, 2019
Export Citation:
Assignee:
CHANGZHOU PATENT ELECTRONIC TECH CO LTD (CN)
International Classes:
H02J7/00; A24F40/90; H02H7/18
Foreign References:
| CN208241335U | 2018-12-14 | |||
| CN1507089A | 2004-06-23 | |||
| CN1507089A | 2004-06-23 | |||
| CN206865186U | 2018-01-09 | |||
| CN207039239U | 2018-02-23 | |||
| JP2014050235A | 2014-03-17 |
Attorney, Agent or Firm:
CHANGZHOU WISDOM TENDA PATENT ATTORNEY LAW FIRM (GENERAL PARTENER) (CN)
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