WO2013044606A1 - 一种led大屏幕电源供电系统 - Google Patents

一种led大屏幕电源供电系统 Download PDF

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Publication number
WO2013044606A1
WO2013044606A1 PCT/CN2012/070802 CN2012070802W WO2013044606A1 WO 2013044606 A1 WO2013044606 A1 WO 2013044606A1 CN 2012070802 W CN2012070802 W CN 2012070802W WO 2013044606 A1 WO2013044606 A1 WO 2013044606A1
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Prior art keywords
power supply
led large
screen
supply system
parallel
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PCT/CN2012/070802
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English (en)
French (fr)
Inventor
胡家同
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深圳市摩西尔电子有限公司
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Publication of WO2013044606A1 publication Critical patent/WO2013044606A1/zh

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J1/00—Circuit arrangements for dc mains or dc distribution networks
    • H02J1/10—Parallel operation of dc sources
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/02—Composition of display devices
    • G09G2300/026—Video wall, i.e. juxtaposition of a plurality of screens to create a display screen of bigger dimensions
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/08—Fault-tolerant or redundant circuits, or circuits in which repair of defects is prepared

Definitions

  • the invention relates to a power supply system, and in particular to a power supply system for supplying power to a large LED screen. Background technique
  • FIG. 1 A schematic diagram of a power supply system of a LED large screen in the prior art is shown in FIG. 1 , and includes a power source 101 , an LED large screen 102 , a control terminal 103 , and a power input terminal 104 .
  • the LED large screen 102 includes a plurality of power supplies to be powered.
  • the area 1021, 1022, and 1023, the number of the to-be-powered areas is the same as the number of the power supply 101, and each of the power sources 101 is independently connected to the corresponding to-be-powered area, and supplies power to the corresponding power supply area.
  • the power input terminal 104 supplies power to each of the power sources 101, the control terminal 103 is connected to the LED large screen 102, and inputs a data signal to the LED large screen 102, and the control terminal 103 and each of the power sources 101 Not connected to each other.
  • the disadvantages of the prior art are: Since the power source 101 is connected in series with its corresponding power supply area, when some of the power sources 101 are damaged and cannot work normally, the corresponding power supply area (LED large screen) will not work normally, thereby The overall visual effect of the entire LED large screen is affected. Moreover, since the power source 101 is not connected to the control terminal 103, the control terminal 103 cannot detect the damage of the power source 101 at the first time, which is difficult for the technician to find the problem in time. Solve it. Summary of the invention
  • the invention provides an LED large-screen power supply system capable of ensuring the normal operation of a large LED screen when a part of the power source is damaged.
  • the technical solution adopted by the invention is: LED large-screen power supply system, wherein the LED large screen includes more than one area to be powered, and the LED large-screen power supply system includes: a parallel current supply and a control unit connected in parallel with each other And a power input terminal, wherein: each of the current sharing power phases Connected to the power input terminal in parallel with each other, the current sharing power source is connected in parallel with the LED large screen and supplies power to the LED large screen, and the current sharing power sources connected in parallel with each other respectively
  • the control terminal is connected, the control terminal is connected to the LED large screen, and inputs a control signal for the LED large screen.
  • the LED large-screen power supply system further includes a monitoring end, and the monitoring end is connected to the control end.
  • the monitoring end is preferably a monitoring center.
  • the current sharing module is disposed in the current sharing power source.
  • the LED large screen is provided in plurality.
  • the invention has simple structure, and the power supply of the large-screen LED large screen is electrically connected by introducing the parallel current power supply connected in parallel with each other, and even if some of the current sharing power sources are damaged and cannot work normally, the overall operation of the LED large screen can be ensured.
  • the control end connected to the current sharing power source can detect the working state of each of the current sharing power sources at a first time, and adjust the output power according to the number of the current working power sources that are effectively working, and further, The damage of the current sharing power supply is sent to the technicians of the monitoring center for timely maintenance, which effectively ensures the normal operation of the LED large screen.
  • FIG. 1 is a schematic structural view of a LED large-screen power supply system in the prior art
  • FIG. 1 Schematic diagram of the LED large-screen power supply system of the present invention. detailed description
  • the LED large screen includes a plurality of to-be-powered areas 2021, 2022, and 2023.
  • the LED large-screen power supply system includes a current sharing power supply 201, a control terminal 203, a power input terminal 204, and a monitoring terminal 205 that are connected in parallel with each other. , wherein the current sharing power sources 201 are connected to the power input terminal 204 in parallel with each other, and the current sharing power source 201 is connected in parallel and supplies power to the LED large screen 202.
  • the respective current sharing power sources 201 connected in parallel with each other are respectively connected to the control terminal 203, and the control terminal 203 is connected to the LED large screen 202, and inputs a control signal for the LED large screen 202.
  • the control terminal 203 is simultaneously connected to the monitoring terminal, that is, the monitoring center 205.
  • the working process of the power supply system in the present invention is as follows:
  • the power supply input terminal 204 supplies power to each of the current sharing power sources 201, and the current sharing power sources 201 that are output in parallel with each other are unified for the to-be-powered areas 2021, 2022, and 2023 of the LED large screen 202.
  • the power supply is provided to ensure the normal operation of the LED large screen 202.
  • the control terminal 203 is simultaneously connected to the LED large screen 202 and transmits a data signal to the LED large screen 202 for causing the LED large screen 202 to perform data according to the data signal of the control terminal 203.
  • the display of the light and/or the pattern, the control terminal 203 is connected to each of the current sharing power sources 201 one by one, and monitors the working state of each current sharing power source 201 in real time, and can feed back the working state to the monitoring center 205 at the first time, which is convenient for the monitoring center.
  • the 205 technician found the problem to solve the problem.
  • a current sharing power supply 201 in the technical solution of the present invention is commercially available.
  • the present invention has a simple structure.
  • a current sharing power supply 201 connected in parallel with each other to supply power to the LED large screen 202, even if some of the current sharing power sources 201 are damaged and cannot work normally, the overall operation of the LED large screen can be ensured.
  • the control terminal 203 connected to the current sharing power source 201 can detect the working state of each current sharing power source 201 at the first time, and can also adjust according to the number of the effectively working current sharing power source 201 when the current sharing power source 201 is partially faulty.
  • the power output to the LED large screen 202 ensures that the LED large screen 202 continues to be used, and the technician of the monitoring power supply 201 is sent to the monitoring center 205 for timely inspection or replacement, thereby effectively ensuring the normal operation of the LED large screen 202. jobs.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

一种LED大屏幕电源供电系统，其中LED大屏幕包括一个以上待供电区域（2021，2022，2023），所述LED大屏幕电源供电系统包括：相互间并联连接输出的均流电源（201），控制端（203）和电源输入端（204），其中所述均流电源（201）以并联方式与所属电源输入端（204）连接，并以并联方式与LED大屏幕连接且为所述LED大屏幕供电，相互间并联连接的各均流电源（201）分别与所述控制端（203）连接，所述控制端（203）与所述LED大屏幕连接，并为所述LED大屏幕输入控制信号。该供电系统采用相互间并联连接的均流电源（201）为LED大屏幕供电，即使各均流电源（201）中部分发生损坏，也能保证LED大屏幕整体正常工作。

Description

一种 LED大屏幕电源供电系统
技术领域
本发明涉及电源供电系统， 具体涉及一种为 LED大屏幕供电的电源供电系 统。 背景技术
现有技术中 LED 大屏幕的供电系统结构示意图如图 1 中所示， 包括电源 101、 LED大屏幕 102、 控制端 103和电源输入端 104， 其中， 所述 LED大屏幕 102包括多个待供电区域 1021、 1022、 1023， 所述待供电区域的数量与所述电 源 101 的数量相同， 各所述电源 101独立的与对应的所述待供电区域连接， 并 为对应的待供电区域供电， 所述电源输入端 104为各所述电源 101供电， 所述 控制端 103与所述 LED大屏幕 102连接， 并为所述 LED大屏幕 102输入数据信 号， 所述控制端 103与各所述电源 101相互间不连接。
现有技术存在的缺陷在于： 因电源 101 与其对应的待供电区域独立串联连 接， 当其中部分电源 101 损坏不能正常工作时， 与其对应的待供电区域 （LED 大屏幕） 也将不能正常工作， 从而影响整个 LED 大屏幕的整体视觉效果， 而 且， 因电源 101与所述控制端 103没有连接， 所述控制端 103不能在第一时间 检测到电源 101的损坏情况， 不便于技术人员及时发现问题并加以解决。 发明内容
本发明提供了一种电源中部分发生损坏时也能保证 LED大屏幕整体正常工 作的 LED大屏幕电源供电系统。
本发明所采用的技术方案是： LED 大屏幕电源供电系统， 其中， LED 大屏 幕包括一个以上待供电区域， 所述 LED大屏幕电源供电系统包括： 相互间并联 连接输出的均流电源、 控制端和电源输入端， 所述， 其中， 各所述均流电源相 互间以并联的方式与所述电源输入端连接， 所述均流电源与所述 LED大屏幕并 联连接并为所述 LED大屏幕供电， 相互间并联连接的各所述均流电源分别与所 述控制端连接， 所述控制端与所述 LED大屏幕连接， 并为所述 LED大屏幕输入 控制信号。
上述方案中， 优选所述 LED大屏幕电源供电系统还包括监控端， 所述监控 端与所述控制端连接。
上述方案中， 优选所述监控端为监控中心。
上述方案中， 优选所述均流电源内设置有均流模块。
上述方案中， 优选所述 LED大屏幕设置有多个。
本发明结构简单， 通过引入相互间并联连接输出的均流电源共同为 LED大 屏幕 LED大屏幕进行供电， 即使各均流电源中部分发生损坏不能正常工作， 也 能保证 LED大屏幕整体正常工作。 而且， 与所述均流电源连接的控制端可以在 第一时间检测到各所述均流电源的工作状态， 并根据有效工作的均流电源的数 量调整输出功率， 更进一步， 还可将所述均流电源的损坏情况发送给所述监控 中心的技术人员及时进行检修， 有效的保证了 LED大屏幕的正常工作。 附图说明
下面结合附图和具体实施方式对本发明作进一步详细说明：
图 1现有技术中 LED大屏幕电源供电系统结构示意图；
图 2.本发明 LED大屏幕电源供电系统结构示意图。 具体实施方式
图 2为本发明 LED大屏幕电源供电系统结构示意图。 如图所示， LED大屏 幕包括多个待供电区域 2021、 2022、 2023， LED大屏幕电源供电系统包括相互 间并联连接输出的均流电源 201、 控制端 203、 电源输入端 204和监控端 205， 其中， 各均流电源 201相互间以并联的方式与电源输入端 204连接， 均流电源 201并联连接并为 LED大屏幕 202供电， 相互间并联连接的各均流电源 201分 别与所述控制端 203连接， 控制端 203与 LED大屏幕 202连接， 并为 LED大屏 幕 202输入控制信号， 控制端 203同时与监控端即监控中心 205连接。
本发明中电源供电系统的工作过程如下： 通过电源输入端 204为各均流电 源 201供电， 相互间并联输出的各均流电源 201统一为 LED大屏幕 202的待供 电区域 2021、 2022、 2023进行供电， 提供电源以保证 LED大屏幕 202 的正常 工作， 控制端 203同时与 LED大屏幕 202连接并将数据信号发送给 LED大屏幕 202， 用于使 LED大屏幕 202根据控制端 203的数据信号进行光亮和 /或图案的 显示， 控制端 203与各均流电源 201逐一连接， 并实时监控各均流电源 201的 工作状态， 并可将工作状态在第一时间反馈到监控中心 205， 便于监控中心 205的技术人员发现问题解决问题。
在本发明技术方案中的均流电源 201可在市场中买到。
本发明结构简单， 通过引入相互间并联连接输出的均流电源 201为 LED大 屏幕 202进行供电， 即使各均流电源 201 中部分发生损坏不能正常工作， 也能 保证 LED大屏幕整体的正常工作。 而且， 与均流电源 201连接的控制端 203可 以在第一时间检测到各均流电源 201 的工作状态， 在均流电源 201 部分故障 时， 还可根据有效工作的均流电源 201的数量调整输出到 LED大屏幕 202的功 率， 保证 LED大屏幕 202继续使用， 同时将均流电源 201的损坏情况发送给监 控中心 205的技术人员及时进行检修或更换， 有效的保证了 LED大屏幕 202的 正常工作。
以上内容是结合具体的优选技术方案对本发明所作的进一步详细说明， 不 能认定本发明的具体实施只局限于这些说明。 对于本发明所属技术领域的普通 技术人员来说， 在不脱离本发明构思的前提下， 还可以做出若干简单推演或替 换， 都应当视为属于本发明的保护范围。

Claims

WO 2013/044606 权 禾 要 求 书 PCT/CN2012/070802
1. 一种 LED 大屏幕电源供电系统， 其中， LED 大屏幕包括一个以上待供电区 域， 其特征在于： 所述 LED大屏幕电源供电系统包括： 相互间并联连接输出的 均流电源、 控制端和电源输入端， 所述， 其中， 各所述均流电源相互间以并联 的方式与所述电源输入端连接， 所述均流电源与所述 LED大屏幕并联连接并为 所述 LED大屏幕供电， 相互间并联连接的各所述均流电源分别与所述控制端连 接， 所述控制端与所述 LED大屏幕连接， 并为所述 LED大屏幕输入控制信号。
2. 如权利要求 1 所述 LED大屏幕电源供电系统， 其特征在于： 所述电源供电 系统还包括监控端， 所述监控端与所述控制端连接。
3. 如权利要求 2 所述 LED大屏幕电源供电系统， 其特征在于： 所述监控端为 监控中心。
4. 如权利要求 1、 2或 3所述 LED大屏幕电源供电系统， 其特征在于： 所述均 流电源内设置有均流模块。
5. 如权利要求 4所述 LED大屏幕电源供电系统， 其特征在于： 所述 LED大屏 幕设置有多个。
PCT/CN2012/070802 2011-09-27 2012-01-31 一种led大屏幕电源供电系统 WO2013044606A1 (zh)

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Publication number Priority date Publication date Assignee Title
CN103559872B (zh) * 2013-11-15 2015-04-15 京东方科技集团股份有限公司 一种供电系统
CN106647533B (zh) * 2017-01-20 2019-02-22 合肥市传秀科技有限公司 一种智能大屏幕系统

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