CN102542929A - Power supply system of LED display screen - Google Patents
Power supply system of LED display screen Download PDFInfo
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- CN102542929A CN102542929A CN2012100521921A CN201210052192A CN102542929A CN 102542929 A CN102542929 A CN 102542929A CN 2012100521921 A CN2012100521921 A CN 2012100521921A CN 201210052192 A CN201210052192 A CN 201210052192A CN 102542929 A CN102542929 A CN 102542929A
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Abstract
The invention discloses a power supply system of a LED display screen. The power supply system provides a working voltage for a display screen which is composed of at least one LED display module; the power supply system comprises multiple micro power supplies which all directly supplies power via an AC mains. In the power supply system of the LED display screen provided by the invention, multiple micro power supplies substitute a conventional centralized high-power switching power supply installed in the display screen to provide the working voltage for the LED, and each micro power supply supplies power through the AC mains and works independently without interference, thus, the problem of heat dissipation of the power supplies is solved better, and the utilization rate of the power supplies is high.
Description
Technical field
The present invention relates to LED and show the field, in particular, relate to a kind of electric power system of LED display.
Background technology
LED display is formed display module by the LED pixel cell, more a plurality of display modules is spliced into the demonstration module, again by the display device that shows that module is formed.Because the driving voltage of LED is a dc low-voltage, common way is the centralized switch power supply to be installed convert the ac high-voltage civil power into the dc low-voltage electricity in display screen, is connected on the display module through a heavy gauge wire again.This centralized switch power supply is provided with according to the watt level of LED display.For the high-power LED display screen; It is that LED provides driving voltage that powerful Switching Power Supply need be set; Distinct issues were dispelled the heat exactly and this high power switching power supply faced, and solving the common way of heat dissipation problem is to be employed in the method that fan and heat sink are installed on this powerful centralized switch power supply.Even but like this, high power switching power supply also is easy to influence the operate as normal of entire display screen owing to heat dissipation problem is damaged.And; The general volume of high power switching power supply that has fan and heat sink is bigger; Influence that LED display is thin to doing, the development of light trend; And centralized switch power supply will be connected on all display modules through long but also thick lead not only, certainly will cause the circuit power consumption big, and power utilization efficient is low.
Summary of the invention
The present invention provides a kind of electric power system of LED display for solving the technical matters that exists in the above-mentioned prior art.The LED display of this kind structure; Use several micro powers that are installed on the demonstration module to replace traditional centralized high power switching power supply of only in display screen, installing WV to be provided as LED; And each micro power is all supplied power through electric main; Work alone each other and do not disturb mutually, not only well solved the heat dissipation problem of power supply, and power utilization efficient is high.
For achieving the above object, the technical scheme that the present invention adopts is following:
A kind of electric power system of LED display; For showing that by a LED display screen that module is formed provides WV at least; Said electric power system comprises a plurality of micro powers at the demonstration back side that is installed in LED demonstration module, and said a plurality of micro powers are all directly through the electric main power supply.
Said LED display shows that by LED module forms, and said micro power is to be installed in the demonstration back side a plurality of that said LED shows module, and said a plurality of micro powers are all directly supplied power through electric main.
Said LED display is made up of plural LED demonstration module, and said at least one LED shows that the demonstration back side of module is equipped with a plurality of micro powers, and said a plurality of micro powers are all directly through the electric main power supply.
Said LED display is made up of plural LED demonstration module, and said each LED shows that the demonstration back side of module all is equipped with a plurality of micro powers, and said a plurality of micro powers are all directly through the electric main power supply.
Said LED display is made up of plural LED demonstration module, and said each LED shows that the demonstration back side of module all is equipped with a micro power, and said all micro powers are all directly through the electric main power supply.
Said LED shows that module is to be spliced by a plurality of LED display modules, and said LED shows that the demonstration back side of module has the back frame structure that said micro power is installed.
Said back of the body frame is strip or latticed arrangement architecture.
Said micro power is installed in the side of said back of the body frame.
Said micro power is not with fan.
Said micro power is not with heat sink.
The beneficial effect that technical scheme of the present invention is brought is following:
LED display comprises the demonstration module, and shows that module is assembled by a plurality of display modules, and several LED pixel cells are installed on each display module.Technical scheme of the present invention is employed in the demonstration back side that shows module several miniwatts, undersized micro power is installed; Several LED pixel cells that are respectively on this demonstration module provide WV; Traditional high-power, large-sized Switching Power Supply that a concentration supply power only is installed in display screen a plurality of distributed miniwatts, undersized micro power have been become; A lot of such micro powers distribute in the entire display screen; Each micro power drives its LED pixel cell of being responsible for and lights; And each micro power all independently adopts the electric main power supply, works alone each other and does not disturb mutually, has not only well solved to adopt a traditional heat dissipation problem that high-power centralized switch power supply exists; And power utilization efficient is high, and the damage of a micro power does not influence the operate as normal of other LED pixel cells.And, having omitted the miniwatt micro power of fan and heat sink, volume can be done very for a short time; Occupy very little locus in entire display screen inside; Open the casing of display screen, almost can't see the existence of power supply, also therefore can be so that the size of display screen is done thin doing gently.Because micro power is installed in the position near display module, its dc low-voltage output only needs to be connected on the display module through thin short lead, has reduced the loss that traditional long transmission line and heavy gauge wire bring, and has improved the power supplying efficiency of power supply again.
Description of drawings
Fig. 1 is the display surface structural representation of the LED display of one embodiment of the invention;
Fig. 2 is the demonstration structure synoptic diagram that Fig. 1 has electric power system of the present invention;
Fig. 3 is the electric power system circuit diagram that is integrated with eight micro powers among Fig. 2.
Embodiment
Present embodiment provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment being to implement under the prerequisite with technical scheme of the present invention.
LED display provided by the present invention is made up of a plurality of display modules that show assembly unit in module and the demonstration module.As shown in Figure 1, one embodiment of the present of invention are formed LED display 1 by two demonstration modules 2, are assemblied with four display modules 3 in each demonstration module 2.The demonstration module 2 of present embodiment does not have frame.
As shown in Figure 2, be provided with several vertical bar shape structures 5 at the back side of the display surface that shows module 2, process by panel beating or aluminium alloy, micro power 4 is installed on it.Also can be according to actual conditions, setting is horizontal stripe shape or fenestral fabric.For further hidden power supply and its occupied space of minimizing, can micro power 4 be installed on the side of vertical bar shape structure 5.On each shows the demonstration back side of module 2, all be separately installed with 16 miniwatt micro powers 4 that size is very little, several LED pixel cells that these 16 micro powers 4 are responsible on the demonstration module 2 at its place provide WV.Simultaneously, the heat that produces on the micro power 4 also outwards dispels the heat through metal vertical bar shape structure 5.
As shown in Figure 3, each micro power 4 adopts direct alternating current 220V mains-supplied, does not independently disturb mutually mutually, does not receive the influence of other display units and micro power.
Because the present invention splits into several low power micro powers with a traditional powerful Switching Power Supply; Being distributed in each respectively shows on the module; 4 of this miniwatt micro powers need dispel the heat through showing the vertical bar shape structure 5 that is provided with on the module, do not need to install in addition fan and heat sink, size can try one's best do little; The influence that heat dissipation problem brings can be do not received, thereby the normal use of display screen can be effectively guaranteed.In actual the use, can determine the quantity of employed micro power showing arranging on the module according to the watt level of LED display desired power size or micro power with it.
Claims (10)
1. the electric power system of a LED display; For showing that by a LED display screen that module is formed provides WV at least; It is characterized in that; Said electric power system comprises a plurality of micro powers at the demonstration back side that is installed in LED demonstration module, and said a plurality of micro powers are all directly through the electric main power supply.
2. the electric power system of LED display according to claim 1; It is characterized in that; Said LED display is made up of a LED demonstration module; Said micro power is to be installed in the demonstration back side a plurality of that said LED shows module, and said a plurality of micro powers are all directly through the electric main power supply.
3. the electric power system of LED display according to claim 1; It is characterized in that; Said LED display is made up of plural LED demonstration module; Said at least one LED shows that the demonstration back side of module is equipped with a plurality of micro powers, and said a plurality of micro powers are all directly through the electric main power supply.
4. the electric power system of LED display according to claim 3; It is characterized in that; Said LED display is made up of plural LED demonstration module; Said each LED shows that the demonstration back side of module all is equipped with a plurality of micro powers, and said a plurality of micro powers are all directly through the electric main power supply.
5. the electric power system of LED display according to claim 1; It is characterized in that; Said LED display is made up of plural LED demonstration module; Said each LED shows that the demonstration back side of module all is equipped with a micro power, and said all micro powers are all directly through the electric main power supply.
6. the electric power system of LED display according to claim 1 is characterized in that, said LED shows that module is to be spliced by a plurality of LED display modules, and said LED shows that the demonstration back side of module has the back frame structure that said micro power is installed.
7. the electric power system of LED display according to claim 6 is characterized in that, said back of the body frame is strip or latticed arrangement architecture.
8. according to the electric power system of claim 6 or 7 described LED displays, it is characterized in that said micro power is installed in the side of said back of the body frame.
9. the electric power system of LED display according to claim 1 is characterized in that, said micro power is not with fan.
10. the electric power system of LED display according to claim 1 is characterized in that, said micro power is not with heat sink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210052192.1A CN102542929B (en) | 2011-11-14 | 2012-03-01 | A kind of electric power system of LED display |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120448143 | 2011-11-14 | ||
| CN201120448143.0 | 2011-11-14 | ||
| CN2011204481430 | 2011-11-14 | ||
| CN201210052192.1A CN102542929B (en) | 2011-11-14 | 2012-03-01 | A kind of electric power system of LED display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102542929A true CN102542929A (en) | 2012-07-04 |
| CN102542929B CN102542929B (en) | 2017-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210052192.1A Active CN102542929B (en) | 2011-11-14 | 2012-03-01 | A kind of electric power system of LED display |
| CN2012200744319U Expired - Lifetime CN202487089U (en) | 2011-11-14 | 2012-03-01 | Distributed power supplying structure for LED (Light Emitting Diode) display screen |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200744319U Expired - Lifetime CN202487089U (en) | 2011-11-14 | 2012-03-01 | Distributed power supplying structure for LED (Light Emitting Diode) display screen |
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| CN (2) | CN102542929B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103974486A (en) * | 2014-05-22 | 2014-08-06 | 广东威创视讯科技股份有限公司 | Display screen power supplying device and LED display screen module |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102542929B (en) * | 2011-11-14 | 2017-04-05 | 上海三思电子工程有限公司 | A kind of electric power system of LED display |
| CN108564918A (en) * | 2018-04-23 | 2018-09-21 | 湖北集润科技有限公司 | A kind of high-voltage transmission concentration-distribution type LED display screen power-supply system |
| CN110880294B (en) * | 2019-12-10 | 2021-11-09 | 深圳创维－Rgb电子有限公司 | OLED driving power supply and electronic product |
| CN114743495A (en) * | 2022-04-28 | 2022-07-12 | 南京飞健电子科技有限公司 | Low-energy-consumption LED display screen and operation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201629331U (en) * | 2010-02-09 | 2010-11-10 | 湖北慧星光电科技有限公司 | High-voltage AC packaged LED |
| CN102054429A (en) * | 2009-10-30 | 2011-05-11 | 康佳集团股份有限公司 | Power supply topology system of LED (Light-Emitting Diode) display module |
| CN102157113A (en) * | 2011-04-13 | 2011-08-17 | 北京彩讯科技股份有限公司 | Flexible LED display screen |
| CN202487089U (en) * | 2011-11-14 | 2012-10-10 | 上海三思电子工程有限公司 | Distributed power supplying structure for LED (Light Emitting Diode) display screen |
-
2012
- 2012-03-01 CN CN201210052192.1A patent/CN102542929B/en active Active
- 2012-03-01 CN CN2012200744319U patent/CN202487089U/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102054429A (en) * | 2009-10-30 | 2011-05-11 | 康佳集团股份有限公司 | Power supply topology system of LED (Light-Emitting Diode) display module |
| CN201629331U (en) * | 2010-02-09 | 2010-11-10 | 湖北慧星光电科技有限公司 | High-voltage AC packaged LED |
| CN102157113A (en) * | 2011-04-13 | 2011-08-17 | 北京彩讯科技股份有限公司 | Flexible LED display screen |
| CN202487089U (en) * | 2011-11-14 | 2012-10-10 | 上海三思电子工程有限公司 | Distributed power supplying structure for LED (Light Emitting Diode) display screen |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103974486A (en) * | 2014-05-22 | 2014-08-06 | 广东威创视讯科技股份有限公司 | Display screen power supplying device and LED display screen module |
| CN103974486B (en) * | 2014-05-22 | 2017-02-15 | 广东威创视讯科技股份有限公司 | Display screen power supplying device and LED display screen module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN202487089U (en) | 2012-10-10 |
| CN102542929B (en) | 2017-04-05 |
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Effective date of registration: 20190624 Address after: 201100 Shanghai city Minhang District Shuying Road No. 1280 Co-patentee after: Shanghai Sansi Technology Co., Ltd. Patentee after: Shanghai Sansi Tecnology Co., Ltd., Co-patentee after: Jiashan Sansi Photoelectric Technology Co., Ltd. Co-patentee after: PUJIANG SANSI PHOTOELECTRIC TECHNOLOGY CO., LTD. Address before: 201100 Shanghai city Minhang District Shuying Road No. 1280 Co-patentee before: Shanghai Sansi Technology Co., Ltd. Patentee before: Shanghai Sansi Tecnology Co., Ltd., Co-patentee before: Jiashan Sansi Photoelectric Technology Co., Ltd. |
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