Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Power supply topology system of LED (Light-Emitting Diode) display module

A display module and topology technology, applied in the power field, can solve the problems of wasting useless power consumption, increasing module heat temperature, harmonic pollution, etc., and achieve the effect of reducing transmission loss and increasing conversion efficiency

Inactive Publication Date: 2011-05-11
KONKA GROUP
View PDF5 Cites 9 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the prior art, an ordinary power supply is used to drive the LED display screen, and the LED needs to be driven by a low-voltage DC. There is a drive power supply module outputting 5V+1%. The relatively fixed output adjustment range of this power supply cannot meet the optimal setting after the LED is turned on; in addition The low-voltage transmission of the power supply wastes too much useless power consumption and increases the heat temperature of the module; in order to reduce the loss of low-voltage DC current in various transmission links, a large number of low-power switching power supply modules are generally used for power distribution of the display screen. Local low-voltage DC power supply mode, this implementation method solves the low-voltage transmission loss, but brings problems such as harmonic pollution

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Power supply topology system of LED (Light-Emitting Diode) display module
  • Power supply topology system of LED (Light-Emitting Diode) display module
  • Power supply topology system of LED (Light-Emitting Diode) display module

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] The following content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be assumed that the specific implementation of the present invention is limited to these descriptions. For those of ordinary skill in the technical field to which the present invention belongs, without departing from the concept of the present invention, many simple deduction or substitutions can also be made, which should be regarded as belonging to the protection scope of the present invention.

[0020] Such as figure 1 As shown, the present invention provides a LED module power supply topology system, which includes: AC power input interface 100, AC power filtering and PFC (PowerFactor Correction, power factor correction) module 110, module auxiliary power module 120, DC bus 130 , a plurality of main power conversion circuit modules 140 and a plurality of LED dot matrix display modules 150 .

[0021] The AC power input in...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides a power supply topology system of an LED (Light-Emitting Diode) display module, comprising an AC (Alternating Current) power supply input interface, an AC power supply filtering and PFC (Power Factor Correction) module, a module auxiliary power supply module, a DC (Direct Current) bus, a plurality of main power supply conversion loop modules and a plurality of LED dot matrix display modules; the AC power supply input interface is connected with the AC power supply filtering and PFC module; the AC power supply filtering and PFC module is connected with the module auxiliary power supply module and the DC bus; the DC bus is connected to the module auxiliary power supply module and the main power supply conversion loop modules; and the main power supply conversion loop modules are connected with the LED dot matrix display modules.

Description

technical field [0001] The invention relates to the electric power field, in particular to an LED display module power supply topology system. Background technique [0002] In the prior art, an ordinary power supply is used to drive the LED display screen, and the LED needs to be driven by a low-voltage DC. There is a drive power supply module outputting 5V+1%. The relatively fixed output adjustment range of this power supply cannot meet the optimal setting after the LED is turned on; in addition The low-voltage transmission of the power supply wastes too much useless power consumption and increases the heat temperature of the module; in order to reduce the loss of low-voltage DC current in various transmission links, a large number of low-power switching power supply modules are generally used for power distribution of the display screen. Local low-voltage DC power supply mode, this implementation method solves the low-voltage transmission loss, but brings problems such as ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/32
Inventor 任兴业
Owner KONKA GROUP
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com