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Patent Searching and Data


Title:
POWER SUPPLY SYSTEM FOR PORTABLE LIGHTING DEVICE AND PORTABLE LIGHTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/153645
Kind Code:
A1
Abstract:
Disclosed by the present application is a power supply system for a portable lighting device, comprising: a master control unit, a first power supply and a second power supply, and the first power supply and the second power supply are both connected to the master control unit; when the first power supply cannot supply power to a load of the portable lighting device, the master control unit starts the second power supply to continuously supply power to the load by means of the second power supply. According to the present application, at least two power supplies are used for power supplying; the first power supply (i.e., a main power supply) is configured to provide a main function, and the second power supply (i.e., an auxiliary power supply) functions when the first power supply has a fault or is removed for a replacement, such that the load of the lighting device can continuously work for a certain time period.

Inventors:
HUANG FUSHENG (CN)
Application Number:
PCT/CN2018/095390
Publication Date:
August 15, 2019
Filing Date:
July 12, 2018
Export Citation:
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Assignee:
SHENZHEN XTAR ELECTRONICS CO LTD (CN)
International Classes:
H05B37/00; H05B37/02
Domestic Patent References:
WO2013169233A12013-11-14
Foreign References:
CN202403149U2012-08-29
CN201830014U2011-05-11
CN102510609A2012-06-20
Attorney, Agent or Firm:
LIUJIA CHINA IP LAW OFFICE (CN)
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