A Dimming Method Applicable to Electromagnetic Induction Lamp
An electromagnetic induction lamp, dimming technology, applied in the direction of electric light source, light source, electrical components, etc., can solve the problem of PFM dimming range is not wide, achieve smooth wide-range dimming, overcome the narrow dimming range, dimming wide range of effects
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[0016] The technical solution of the present invention will be specifically described below in conjunction with the accompanying drawings.
[0017] The invention relates to a dimming method suitable for electromagnetic induction lamps. N dimming stages are set, and a fixed integer multiple of the working cycle of the electromagnetic induction lamp is set in the same dimming stage as the conduction time of the PDM (the conduction time of the PDM = n*Ts, where n is an integer greater than or equal to 1 and n is a fixed value in this dimming stage, Ts is the working cycle of the electromagnetic induction lamp), PDM dimming is realized by controlling the off time of PDM in this dimming stage Smooth change of duty cycle; wherein, N is a natural number greater than or equal to 1.
[0018] Further, set different integer multiples of the duty cycle of the electromagnetic induction lamp as the on-time of the PDM in different dimming stages, that is, set different on-times of the PDM in...
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