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Light-emitting diode (LED) dimming circuit

A technology of dimming circuit and LED power supply, which is applied in the field of circuits, can solve problems such as flickering of LED lights, and achieve the effect of solving flickering problems

Inactive Publication Date: 2013-06-12
佛山市华全电气照明有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention proposes an LED dimming circuit, which solves the problem of flickering LED lights in the prior art

Method used

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  • Light-emitting diode (LED) dimming circuit

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Embodiment Construction

[0010] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0011] An LED dimming circuit, in which a dimming adapter circuit is connected in parallel between a power supply input end and an LED light source circuit.

[0012] Preferably, the LED dimming circuit includes an LED power supply circuit and a plurality of LED lamps connected between the output terminals of the LED voltage circuit; the dimming adapter is connected between the input terminals of the LED power supply circuit.

[0013] The invention adjusts the volta...

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Abstract

The invention provides a light-emitting diode (LED) dimming circuit which includes that dimming adapter loops are connected in parallel between a mains input end and an LED light source circuit. The LED dimmer circuit solves a problem that the LED light flashes in the prior art.

Description

technical field [0001] The invention relates to a circuit, in particular to a dimming circuit for an LED light source. Background technique [0002] Due to the characteristics of silicon rectifier devices, thyristor can work under high voltage and high current conditions, and its working process can be controlled, so it is widely used in controllable rectification, AC voltage regulation, non-contact electronic switch, inverter And frequency conversion and other electronic circuits. At present, in the field of lighting, thyristor dimming control systems are based on traditional light sources for dimming, such as halogen lamps, etc. Traditional light sources are basically resistive loads, and there is no compatibility problem with the control of dimmers. However, if the original thyristor lighting dimming control system or dimmer is used on lighting products with LEDs, the problem of compatibility is prominent, and stroboscopic flickering basically occurs in a certain range o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B37/02
Inventor 区志杨
Owner 佛山市华全电气照明有限公司
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