ENERGY LEVEL CONVERSION CIRCUIT FOR PORTABLE ENERGY STORAGE DEVICE

WIPO Patent Application WO/2019/151634

A1

The present invention relates to an energy level conversion circuit for a portable energy storage device, the energy level conversion circuit comprising: a motherboard circuit for connecting a plurality of sub-board circuits, which receive direct current power, converts the received direct current power to a specified energy level, and outputs the converted direct current power, in series through a female connector; and the sub-board circuits which are connected to or inserted in the motherboard circuit through the female connector, and are configured to output power transformed through a transformer, through secondary-side trans-tap connection terminals (T1 and T2) when a switching unit switched by a pair of switching pulses (P1 and P2) applied from the motherboard circuit and each of switching transistors (Q1 and Q1) are turned on or off, wherein the sub-board circuits are connected in series through a female connector unit of the motherboard circuit, so that direct current power, the energy level of which has been converted as many times as the number of the sub-board circuits, is output through the motherboard circuit.

JP7089680	Charging / discharging device connection mechanism
JP3708822	SPACER FOR CHARGING STAND
JP4608052	Battery protector-

CHAI YONG YOONG (KR)
CHOI SANG DEOK (KR)
CHOI JUNGSUB (KR)

PCT/KR2018/015396

August 08, 2019

December 06, 2018

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ENERCAMP CO LTD (KR)

H01M10/46; H01M2/10; H01M10/42; H01M10/48; H02J7/00

KR200190917Y1	2000-08-01
KR20140120025A	2014-10-13
JPH05252657A	1993-09-28
KR20130096279A	2013-08-29
KR20140140108A	2014-12-08
KR20120000788U	2012-02-01

See also references of EP 3570361A4

DOOHO IP LAW FIRM (KR)

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