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led lighting circuit

A LED lighting and circuit technology, applied in the field of lighting, can solve problems such as poor stability, potential safety hazards, and lack of circuit protection functions, achieving high stability and safe use

Active Publication Date: 2018-06-26
惠州市兴泰生工艺品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a circuit protection function, safer use, and higher stability for the defects of the prior art that do not have a circuit protection function, have potential safety hazards in use, and have poor stability. LED lighting circuit

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Embodiment Construction

[0014] 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 making creative efforts belong to the protection scope of the present invention.

[0015] In the embodiment of the LED lighting circuit of the present invention, the structural schematic diagram of the LED lighting circuit is as follows figure 1 shown. figure 1 Among them, the LED lighting circuit includes a transformer W, a bridge rectifier T, a relay J, a three-terminal adjustable positive voltage regulator IC1, an operational amplifier IC2, an LED lamp H, a first capacitor C1, a second capacitor C2, a potentiometer RP1, The first resisto...

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Abstract

The invention discloses an LED lighting circuit, which includes a transformer, a bridge rectifier, a relay, a three-terminal adjustable positive voltage regulator, an operational amplifier, an LED lamp, a first capacitor, a second capacitor, a potentiometer, a first resistor, and a second capacitor. Second resistor, third resistor, fourth resistor, fifth resistor, sixth resistor, seventh resistor, eighth resistor, first diode, second diode, third diode and fourth diode , one end of one secondary coil of the transformer is connected to one input end of the bridge rectifier, the other end of one secondary coil of the transformer is connected to the second non-moving end of the contact of the relay and one end of the other secondary coil of the transformer , the other end of the other secondary coil of the transformer is connected to the first fixed end of the contact of the relay, and the third fixed end of the contact of the relay is connected to the other input end of the bridge rectifier. The invention has circuit protection function, relatively safe use and high stability.

Description

technical field [0001] The invention relates to the lighting field, in particular to an LED lighting circuit. Background technique [0002] LED is recognized as the fourth-generation green light source. It is a solid cold light source with many advantages such as high efficiency, long life, safety and environmental protection, small size, high reliability, and fast response. At present, to achieve the same lighting effect, the power consumption of LED is about 1 / 10 of that of incandescent lamp and 1 / 2 of that of fluorescent lamp. LED power supply circuit is very important for LED. At present, most LED lamps are still powered by ordinary power supply, which has poor stability and is easy to cause problems such as overvoltage, overcurrent, and undervoltage, thereby burning out the LED lamps. However, most of the existing LED power supply circuits do not have a circuit protection function, causing potential safety hazards in use. Contents of the invention [0003] The techn...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05B33/08H05B44/00
CPCH05B45/37Y02B20/30
Inventor 陈行军
Owner 惠州市兴泰生工艺品有限公司