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DISCHARGE LAMP LIGHTING DEVICE, AUTOMOTIVE HIGH-INTENSITY DISCHARGE LAMP LIGHTING DEVICE, AUTOMOTIVE HEADLIGHT DEVICE, AND CAR
DISCHARGE LAMP LIGHTING DEVICE, AUTOMOTIVE HIGH-INTENSITY DISCHARGE LAMP LIGHTING DEVICE, AUTOMOTIVE HEADLIGHT DEVICE, AND CAR
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机译:放电灯照明装置,汽车高强度放电灯照明装置,汽车前照灯装置和汽车
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摘要
The discharge lamp lighting device in accordance with the present invention includes a controller configured to perform an abnormality judgment process of judging whether or not abnormality has occurred based on a measured value of a driving voltage defined as an AC voltage applied to a discharge lamp. The controller is configured to, in the abnormality judgment process, judge whether or not an asymmetric state in which the driving voltage lacks symmetry has occurred over a predetermined period. The controller is configured to, upon concluding that the asymmetric state has occurred over the predetermined period, conclude that the abnormality has occurred.
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