LED driving circuit and lamp

A LED drive and drive circuit technology, applied in the field of lighting, can solve problems such as LED load flicker, interference, strong high frequency, etc., achieve output voltage and current stability, and eliminate stroboscopic effects

Inactive Publication Date: 2016-03-30
盐城云保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, among many ways of driving LEDs, some use rectification and filtering circuits to directly connect with LED driving circuits to achieve efficient driving of LEDs. However, there are defects such as LED load flickering, easy damage, and strong high-frequency interference. the inconvenience

Method used

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Embodiment Construction

[0016] The present invention will be further explained below in conjunction with the accompanying drawings and specific embodiments.

[0017] This embodiment provides an LED drive circuit, such as figure 1 As shown, the mains 1, the rectification filter circuit 2, the drive circuit 3, the output circuit 4 and the feedback circuit 5 are characterized in that a regulation circuit 6 is also included, which is connected between the rectification filter circuit 2 and the drive circuit 3.

[0018] figure 2 The LED control circuit 3 structure of the LED drive circuit of the present invention is shown, specifically:

[0019] The rectification filter circuit 2 includes a piezoresistor R1, an inductor L1, an inductor L2, a resistor R2, a resistor R3, a capacitor C1, and a rectifier circuit. One end of the inductor L1 and one end of the inductor L2 are respectively connected to the live line L and the neutral line N of the mains 1, The other end of the inductance L1 and the other end ...

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Abstract

The invention discloses an LED driving circuit. The LED driving circuit comprises mains supply, a rectification filtering circuit, a driving circuit, an output circuit and a feedback circuit, wherein a regulating circuit is arranged between the mains supply and the rectification filtering circuit; the rectification filtering circuit is connected with the driving circuit; and the other end of the driving circuit is connected with the feedback circuit. According to the LED driving circuit, the regulating circuit is added between the rectification filtering circuit and the driving circuit, so that the output voltage and output current are stable, and stroboflash caused in LED driving is eliminated.

Description

technical field [0001] The invention relates to the technical field of lighting, in particular to an LED driving circuit and a lamp. Background technique [0002] With the development of science and technology, LED, as a new type of light source, has the advantages of small size, low power consumption, high light efficiency, long life, environmental protection, etc., and is widely used in the field of lighting, and various LEDs have emerged Driving circuit, in practical applications, the use of different LED driving circuits will have an impact on luminous efficiency and life. [0003] At present, among many ways of driving LEDs, some use rectification and filtering circuits to directly connect with LED driving circuits to achieve efficient driving of LEDs. However, there are defects such as LED load flickering, easy damage, and strong high-frequency interference. caused inconvenience. In the application, the LED driving circuit needs to eliminate the stroboscopic problem ...

Claims

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Application Information

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IPC IPC(8): H05B33/08H05B44/00
CPCH05B45/37
Inventor董琴季鹏宇赵云峰凌建辉孙久
Owner盐城云保科技有限公司