WO2015192424A1 - Heat dissipation apparatus suitable for large led display screen - Google Patents

Heat dissipation apparatus suitable for large led display screen Download PDF

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Publication number
WO2015192424A1
WO2015192424A1 PCT/CN2014/082296 CN2014082296W WO2015192424A1 WO 2015192424 A1 WO2015192424 A1 WO 2015192424A1 CN 2014082296 W CN2014082296 W CN 2014082296W WO 2015192424 A1 WO2015192424 A1 WO 2015192424A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat dissipation
heat
led display
circuit board
display screen
Prior art date
Application number
PCT/CN2014/082296
Other languages
French (fr)
Chinese (zh)
Inventor
黄欣
Original Assignee
黄欣
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 黄欣 filed Critical 黄欣
Publication of WO2015192424A1 publication Critical patent/WO2015192424A1/en

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating

Definitions

  • the utility model relates to an LED display device, in particular to a heat dissipating device which plays an important role in an LED display screen.
  • the utility model provides a heat dissipating device suitable for a large-screen LED display screen, and ensures a normal heat dissipation of a large-screen LED display screen through a series of heat-dissipating heat-dissipating devices, so as to increase the life of the LED display screen.
  • a heat sink suitable for a large-screen LED display including an LED display box, an LED light panel, and a circuit board, characterized in that it further comprises a heat shield, a heat sink panel, and a powerful fan.
  • the heat shield is disposed between the LED light panel and the circuit board;
  • the heat dissipation panel is connected to the circuit board
  • the powerful fan faces the middle of the circuit board and has heat dissipating fins on the other side.
  • the thermal conductive grease is coated between the circuit board and the heat dissipation panel.
  • the tail of the heat dissipating fin is inclined upward.
  • the utility model has the beneficial effects that: the heat dissipating device of the LED display screen of the utility model can effectively dissipate heat inside the LED display screen, increase the service life of the LED display screen, and the utility model has reasonable structure and convenient disassembly and assembly.
  • Figure 1 is a schematic view of the structure of the present invention.
  • a heat insulation board 2 is disposed between the circuit board 4 and the LED light panel 3 to avoid heat transfer between the circuit board 4 and the LED light panel 3.
  • the heat dissipation panel 5, the circuit board 4 and the heat dissipation panel 5 are disposed behind the circuit board 4.
  • the heat-dissipating silica gel which is favorable for heat conduction is applied between the heat-dissipating surface plate 5, and the heat generated by the circuit board 4 is absorbed and radiated to the powerful fan 6 behind the box body, and the powerful fan 6 radiates heat in the form of wind through the heat-dissipating fins 7.
  • the fins of the heat dissipating fins 7 are inclined upward to ensure that heat is not sprayed onto the road surface.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

A heat dissipation apparatus suitable for a large LED display screen comprises an LED display screen box body (1), an LED lamp panel (3), and a circuit board (4). The heat dissipation apparatus is characterized by also comprising a heat insulation plate (2), a heat dissipation panel (5), a strong wind fan (6), and heat dissipation fins (7). The heat insulation plate (2) is disposed between the LED lamp panel (3) and the circuit board (4). The heat dissipation panel (5) is connected to the circuit board (4). One side of the strong wind fan (6) directly faces the middle of the circuit board (4), and the other side of the strong wind fan (6) is connected to the heat dissipation fin (7). The tail part of the heat dissipation fin (7) inclines upwards. In addition, heat conduction silicone grease is coated between the circuit board (4) and the heat dissipation panel (5). The heat dissipation apparatus can effectively dissipate heat in the LED display screen and increase the service life of the LED display screen, has a proper structure and is convenient to disassemble and assemble.

Description

适用于大屏幕 LED显示屏的散热装置 技术领域  Heat sink for large screen LED display
本实用新型涉及 LED显示装置，尤其是在 LED显示屏中其重要作用 的散热装置。  The utility model relates to an LED display device, in particular to a heat dissipating device which plays an important role in an LED display screen.
體 Body
随着 LED显示屏的扩大应用， LED显示屏的屏幕也是逐渐增大。 LED 光源产生的能量，除了作为可视光消耗之外，其它能量都转换成了热。 由于现在电子产品逐渐向高密度，高集成度发展， LED产品也不例外。 LED功率加大， 散热也成为一项艰巨的任务， LED的光衰或其寿命是直 接和其结温有关， 散热不好结温就高， 寿命就短。 这个 LED显示屏的 散热提出了更高的要求。 中国专利 CN 203554880 U提出了一种 LED显 示屏的散热装置，但是该装置涉及到的半导体制冷器半导体制冷器制 冷系数较小， 而相对耗电量很大， 对于较大屏幕或者需要有较大散热 效率的散热装置的显示屏来说就不适用了。现在就需要一种适用于较 大屏幕的 LED显示屏的散热装置。  With the expansion of the LED display, the screen of the LED display is gradually increasing. The energy produced by the LED source, in addition to being visible light, is converted to heat. Since electronic products are gradually moving toward high density and high integration, LED products are no exception. LED power is increased, and heat dissipation has become an arduous task. The light decay of LED or its lifetime is directly related to its junction temperature. The heat dissipation is not good, the junction temperature is high, and the lifetime is short. The heat dissipation of this LED display puts higher demands on it. Chinese patent CN 203554880 U proposes a heat sink for LED display screens, but the semiconductor cooler of the semiconductor refrigerator has a smaller refrigeration coefficient and a relatively large power consumption. For larger screens or larger The display of the heat-dissipating heat sink is not suitable. There is a need for a heat sink for a larger screen LED display.
实用新型内容 Utility model content
针对现有技术中的不足， 本实用新型提供一种适用于大屏幕 LED 显示屏的散热装置， 通过一系列导热散热装置， 保证大屏幕的 LED显 示屏正常散热， 以便增加 LED显示屏的寿命。  In view of the deficiencies in the prior art, the utility model provides a heat dissipating device suitable for a large-screen LED display screen, and ensures a normal heat dissipation of a large-screen LED display screen through a series of heat-dissipating heat-dissipating devices, so as to increase the life of the LED display screen.
为了解决上述技术问题， 本实用新型的技术方案如下：  In order to solve the above technical problems, the technical solution of the present invention is as follows:
适用于大屏幕 LED显示屏的散热装置，包括 LED显示屏箱体、 LED 灯面板、电路板，其特征在于，还包括隔热板、散热面板、强力风扇、 散热翅片； A heat sink suitable for a large-screen LED display, including an LED display box, an LED light panel, and a circuit board, characterized in that it further comprises a heat shield, a heat sink panel, and a powerful fan. Heat sink fin
所述隔热板设于 LED灯面板和电路板之间；  The heat shield is disposed between the LED light panel and the circuit board;
所述散热面板与电路板相连；  The heat dissipation panel is connected to the circuit board;
所述强力风扇一面正对于所述电路板中间，另一面连有散热翅片。 所述电路板和散热面板之间涂有导热硅脂。  The powerful fan faces the middle of the circuit board and has heat dissipating fins on the other side. The thermal conductive grease is coated between the circuit board and the heat dissipation panel.
所述散热翅片的片尾向上倾斜。  The tail of the heat dissipating fin is inclined upward.
本实用新型的有益效果在于： 本实用新型的 LED显示屏的散热装 置能有效地将 LED显示屏内部的热量散出， 增加 LED显示屏使用寿命， 并且本实用新型结构合理， 拆装方便。  The utility model has the beneficial effects that: the heat dissipating device of the LED display screen of the utility model can effectively dissipate heat inside the LED display screen, increase the service life of the LED display screen, and the utility model has reasonable structure and convenient disassembly and assembly.
附图说明 DRAWINGS
下面结合附图以及实施例对本实用新型做进一歩的说明。  The present invention will be further described with reference to the accompanying drawings and embodiments.
图 1为本实用新型的结构示意图。  Figure 1 is a schematic view of the structure of the present invention.
具体实施方式 detailed description
如图所示，本实用新型提供的适用于大屏幕 LED显示屏的散热装 置， 包括了 LED显示屏箱体 1， 其前端设有 LED灯面板 3， 电路板 4 设在 LED灯面板 3后面，电路板 4和 LED灯面板 3之间设有隔热板 2， 避免电路板 4和 LED灯面板 3之间的的热传递，电路板 4后面设有散 热面板 5， 电路板 4和散热面板 5之间涂有利于导热的导热硅胶， 散 热面版 5将电路板 4产生的热量吸收并散发到箱体后面的强力风扇 6 上， 强力风扇 6将热量以风的形式经由散热翅片 7散发的空气当中， 散热翅片 7的片尾向上倾斜， 保证热量不会喷射到路面。  As shown in the figure, the heat dissipating device for the large-screen LED display provided by the utility model comprises an LED display box body 1 , the front end of which is provided with an LED lamp panel 3 , and the circuit board 4 is arranged behind the LED lamp panel 3 . A heat insulation board 2 is disposed between the circuit board 4 and the LED light panel 3 to avoid heat transfer between the circuit board 4 and the LED light panel 3. The heat dissipation panel 5, the circuit board 4 and the heat dissipation panel 5 are disposed behind the circuit board 4. The heat-dissipating silica gel which is favorable for heat conduction is applied between the heat-dissipating surface plate 5, and the heat generated by the circuit board 4 is absorbed and radiated to the powerful fan 6 behind the box body, and the powerful fan 6 radiates heat in the form of wind through the heat-dissipating fins 7. In the air, the fins of the heat dissipating fins 7 are inclined upward to ensure that heat is not sprayed onto the road surface.
以上所述仅是本发明创造的优选实施方式， 应当指出： 对于本技术领 域的普通技术人员来说， 在不脱离本发明创造所述原理的前提下， 还 可以做出若干改进和润饰，这些改进和润饰也应视为本发明创造的保 护范围。 The above description is only a preferred embodiment of the invention, and it should be noted that: A person skilled in the art can make several improvements and refinements without departing from the spirit of the invention, and such improvements and refinements should also be considered as protection of the invention.

Claims

权利要求 Rights request
1、适用于大屏幕 LED显示屏的散热装置，包括 LED显示屏箱体、 LED灯面板、 电路板， 其特征在于， 还包括隔热板、 散热面板、 强力 风扇、 散热翅片；  1. A heat sink suitable for a large-screen LED display, including an LED display box, an LED light panel, and a circuit board, wherein the heat sink, the heat sink, the powerful fan, and the heat dissipating fin;
所述隔热板设于 LED灯面板和电路板之间；  The heat shield is disposed between the LED light panel and the circuit board;
所述散热面板与电路板相连；  The heat dissipation panel is connected to the circuit board;
所述强力风扇一面正对于所述电路板中间，另一面连有散热翅片。  The powerful fan faces the middle of the circuit board and has heat dissipating fins on the other side.
2、根据权利要求 1所述的适用于大屏幕 LED显示屏的散热装置， 其特征还在于， 所述电路板和散热面板之间涂有导热硅脂。  2. The heat sink device for a large-screen LED display screen according to claim 1, further characterized in that the circuit board and the heat dissipation panel are coated with a thermal grease.
3、根据权利要求 1所述的适用于大屏幕 LED显示屏的散热装置， 其特征还在于， 所述散热翅片的片尾向上倾斜。  3. The heat sink device for a large-screen LED display screen according to claim 1, wherein the fins of the heat dissipating fins are inclined upward.
PCT/CN2014/082296 2014-06-18 2014-07-16 Heat dissipation apparatus suitable for large led display screen WO2015192424A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201420323579.0 2014-06-18
CN201420323579.0U CN203910192U (en) 2014-06-18 2014-06-18 Heat dissipation device suitable for large-screen LED display screen

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WO2015192424A1 true WO2015192424A1 (en) 2015-12-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11528832B2 (en) 2020-03-17 2022-12-13 Innolux Corporation Electronic device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106548705A (en) * 2016-10-26 2017-03-29 方迪勇 A kind of electronic information display screen

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080222932A1 (en) * 2007-03-09 2008-09-18 Peng Yun Display cabinet for light emitting diode lights and method of use
JP2010107657A (en) * 2008-10-29 2010-05-13 Mitsubishi Electric Corp Display device
CN102878455A (en) * 2012-09-06 2013-01-16 青岛市灯具二厂 Intelligent semiconductor heat radiating LED (light-emitting diode) lamp
CN103648258A (en) * 2013-12-20 2014-03-19 中航华东光电有限公司 Heat-radiating device of large screen display
CN203554880U (en) * 2013-11-25 2014-04-16 浙江龙驰科技有限公司 LED display screen radiator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080222932A1 (en) * 2007-03-09 2008-09-18 Peng Yun Display cabinet for light emitting diode lights and method of use
JP2010107657A (en) * 2008-10-29 2010-05-13 Mitsubishi Electric Corp Display device
CN102878455A (en) * 2012-09-06 2013-01-16 青岛市灯具二厂 Intelligent semiconductor heat radiating LED (light-emitting diode) lamp
CN203554880U (en) * 2013-11-25 2014-04-16 浙江龙驰科技有限公司 LED display screen radiator
CN103648258A (en) * 2013-12-20 2014-03-19 中航华东光电有限公司 Heat-radiating device of large screen display

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11528832B2 (en) 2020-03-17 2022-12-13 Innolux Corporation Electronic device

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