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Fly-back power supply for LED lamp

An LED lamp and flyback technology, which is applied in the field of application power supply of lamps and lanterns, can solve the problems of large size, negative user experience, difficult installation, etc., and achieve the effect of reducing the size and increasing the user experience effect.

Inactive Publication Date: 2017-02-22
SELF ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Then, in the actual use process, due to the size of the transformer, that is, the limitation of length, width and height, the size of the entire flyback power supply in a certain direction is very large, making it difficult to install it in a specific installation environment. Experience a negative impact

Method used

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  • Fly-back power supply for LED lamp
  • Fly-back power supply for LED lamp

Examples

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Embodiment Construction

[0018] Specific embodiments of the present invention will be described in further detail below based on the accompanying drawings. It should be understood that the description of the embodiments of the present invention here is not intended to limit the protection scope of the present invention.

[0019] see Figure 1 to Figure 2 , which is a circuit diagram of a flyback power supply 100 for LED lamps provided by the present invention. The flyback power supply 100 for LED lamps includes at least first and second transformers 10 and 20, a switch 30 for controlling the on-off of one of the first and second transformers 10 and 20, and electrical connections A load 40 at the output of said first and second transformers 10 , 20 . It is conceivable that, as a power supply for LED lamps, the flyback power supply 100 must also include some other functional modules, such as rectification and filtering circuits and feedback circuits electrically connected to the input terminals of the...

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PUM

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Abstract

The invention relates to a fly-back power supply for an LED lamp. The fly-back power supply for an LED lamp includes at least two transformers, one switch and loads, wherein each transformer includes one primary side and one secondary side; the primary side includes a positive input end and a negative input end; the secondary side includes a positive output end and a negative output end; the positive input end of the primary side of one transformer among the at least two transformers is connected with the positive input end of the other primary side; the negative output end of the primary side of one transformer among the at least two transformers is connected with the negative output end of the other primary side; and the positive output end of the secondary side of the transformer is connected with the load, and the negative output end of the secondary side of the transformer is successively in positive and negative connection with the positive and negative output ends of the secondary side of the other transformer. The fly-back power supply for an LED lamp uses at least two first and second transformers to replace one independent single transformer, and can reduce the size in one direction, so that the size, of the whole product, in one direction can be reduced while existing magnetic core and skeleton are used, and then the mounting requirement for a user can be satisfied and the user experience effect can be improved.

Description

technical field [0001] The invention relates to the field of an applied power supply for lamp lighting, in particular to a flyback power supply for LED lamps. Background technique [0002] In general daily life, various lighting devices can be seen everywhere, for example, fluorescent lamps, street lamps, table lamps, art lamps and the like. Among the above-mentioned lighting devices, traditionally, most of them use tungsten filament bulbs as light sources. In recent years, due to the rapid development of technology, light emitting diodes (LEDs) have been used as light sources. What's more, in addition to lighting equipment, for general traffic signs, billboards, car lights, etc., light-emitting diodes are also used as light sources instead. Using light-emitting diodes as a light source has the advantages of saving power and greater brightness, so it has gradually become popular in use. [0003] However, as a DC power loss component, LED lamps usually need to convert the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B33/08H05B44/00
CPCH05B45/37H02M3/33507Y02B20/30H05B45/385H02M3/003
Inventor 马旭红应俊俊汪志明
Owner SELF ELECTRONICS CO LTD
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