Invention Grant
- Patent Title: Discharge lamp system for constant power control and controlling method of the same
- Patent Title (中): 放电灯系统用于恒功率控制和控制方法相同
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Application No.: US13241247Application Date: 2011-09-23
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Publication No.: US08742678B2Publication Date: 2014-06-03
- Inventor: Qi Zhang , Wei-Qiang Zhang , Jian-Ping Ying
- Applicant: Qi Zhang , Wei-Qiang Zhang , Jian-Ping Ying
- Applicant Address: CN Shanghai
- Assignee: Delta Electronics (Shanghai) Co., Ltd.
- Current Assignee: Delta Electronics (Shanghai) Co., Ltd.
- Current Assignee Address: CN Shanghai
- Agency: CKC & Partners Co., Ltd.
- Priority: CN201110201143 20110718
- Main IPC: H02M3/156
- IPC: H02M3/156
Abstract:
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.
Public/Granted literature
- US20130020953A1 DISCHARGE LAMP SYSTEM AND CONTROLLING METHOD OF THE SAME Public/Granted day:2013-01-24
Information query
IPC分类:
