SWITCHABLE OUTPUT ELECTRONIC BALLAST

WIPO Patent Application WO/2018/188109

A1

Disclosed in the present invention is a switchable output electronic ballast, comprising a ballast module used for converting mains supply into a high frequency alternating current, comprising a filter circuit, an AC-DC conversion circuit, a power factor correction circuit, and a full bridge inverter circuit connected in turn; a master controller connected to the full bridge inverter circuit and used for driving the full bridge inverter circuit; and a dual output switching circuit, comprising a first branch and a second branch, the first branch and the second branch respectively being provided with a relay K1 and a relay K2, a coil end of the relay K1 being connected to the master controller, a switch end of the relay K1 being connected to the full bridge inverter circuit by means of a light source L1, and a coil end of the relay K2 being connected to the master controller, a switch end of the relay K2 being connected to the full bridge inverter circuit by means of a light source L2. The present switchable output electronic ballast has a simple structure, can smartly control of the connection of the electronic ballast to the different light sources, does not need to be used with a conversion box, and it is convenient to use.

WO/1994/003034	HIGH FREQUENCY ELECTRONIC CIRCUIT FOR LOAD BALLASTING
JP5205194	Discharge lamp lighting device

CHU QINGSONG (CN)
ZHANG YUJIE (CN)
WANG LIUYANG (CN)
HU ZHONGNAN (CN)

PCT/CN2017/081342

October 18, 2018

April 21, 2017

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SHENZHEN LONGOOD INTELLIGENT ELECTRIC CO LTD (CN)

H05B41/282

CN102938965A	2013-02-20
CN103179768A	2013-06-26
CN102781148A	2012-11-14
US20030197478A1	2003-10-23

SHENZHEN TALENT PATENT SERVICE (CN)

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