CKC & Partners Co., Ltd.
Discharge lamp system for constant power control and controlling method of the same
A discharge lamp system includes a discharge lamp; a power supply device for providing DC input voltage and current; a converter connected to the discharge lamp and the power supply device for providing power for the discharge lamp; a DC input voltage detecting unit connected to the power supply device for detecting the DC input voltage; a DC input current detecting unit connected to the power supply device for detecting the DC input current; a lamp state detecting unit for detecting a signal responsive to the lamp state; a controller connected to the converter, the DC input voltage detecting unit, the DC input current detecting unit and the lamp state detecting unit for controlling the discharge lamp according to the signal responsive to the lamp state, the DC input voltage and the DC input current. A controlling method for the discharge lamp system is also disclosed herein.
Delta Electronics (Shanghai) Co., Ltd.
H H Y
H05B H05B Y02B
inventional additional additional
Wei-Qiang Qi Jian-Ping
Zhang Zhang Ying