Title:
UPS CIRCUIT, POWER SUPPLY CIRCUIT, AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/177440
Kind Code:
A1
Abstract:
Disclosed by the present invention is a UPS circuit, which is characterized in comprising: a charging and discharging module, a control module, and a current path switching module; the charging and discharging module is connected to the current path switching module and the control module respectively, and the control module is connected to the current path switching module; the charging and discharging module is used for connecting a battery module and a direct current power supply module; the charging and discharging module is used for controlling the charging and discharging of the battery module; the current path switching module is used for connecting a motherboard circuit and a direct current buck module; the direct current buck module is connected to the direct current power supply module and is used for lowering voltage for a direct current high voltage outputted by the direct current power supply module; and the control module controls the power supply mode of the current path switching module, such that the UPS circuit works in a corresponding working mode and supplies power to the motherboard circuit. Further disclosed by the present invention are a power supply circuit and an electronic device. By employing embodiments of the present invention, an AC-DC rectification circuit at the front stage and a DC-AC inverter circuit at the back stage of a conventional UPS circuit are eliminated, thus the present invention may be adapted to batteries of various specifications.
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Inventors:
ZHU YAO (CN)
QUAN SHAOQIANG (CN)
QUAN SHAOQIANG (CN)
Application Number:
PCT/CN2019/125884
Publication Date:
September 10, 2020
Filing Date:
December 17, 2019
Export Citation:
Assignee:
TP LINK TECH CO LTD (CN)
International Classes:
H02J9/06
Foreign References:
| CN109787349A | 2019-05-21 | |||
| CN205811656U | 2016-12-14 | |||
| CN205811656U | 2016-12-14 | |||
| CN207977776U | 2018-10-16 | |||
| CN205791592U | 2016-12-07 |
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
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