WO2015192423A1 - Waterproof heat-dissipation led display screen lamp box - Google Patents

Waterproof heat-dissipation led display screen lamp box Download PDF

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Publication number
WO2015192423A1
WO2015192423A1 PCT/CN2014/082295 CN2014082295W WO2015192423A1 WO 2015192423 A1 WO2015192423 A1 WO 2015192423A1 CN 2014082295 W CN2014082295 W CN 2014082295W WO 2015192423 A1 WO2015192423 A1 WO 2015192423A1
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WO
WIPO (PCT)
Prior art keywords
heat
led display
heat dissipation
circuit board
led
Prior art date
Application number
PCT/CN2014/082295
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 WO2015192423A1 publication Critical patent/WO2015192423A1/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades

Definitions

  • the utility model relates to a display light box, in particular to an LED display light box with good heat dissipation and waterproof function.
  • LED display screens are widely used in life and production, but the increasing power of LEDs makes the heat dissipation of LED displays an arduous task.
  • the light decay of LEDs or their lifetime is directly related to The junction temperature is related, the heat dissipation is not good, the junction temperature is high, and the life is short. Therefore, solving the problem of LED heat dissipation has become a major problem in improving LED performance and developing the LED industry.
  • LED displays are mostly used outdoors, and outdoors, wind and sun are inevitable, so the waterproof design of LED displays is also facing challenges.
  • Cipheral patent CN 203480785 discloses a waterproof and heat-dissipating LED display module, which can achieve the effect of waterproof and heat dissipation, but the design of the small through-hole can not achieve better waterproof effect, so in terms of better waterproofing needs improvement.
  • the present invention provides a LED display screen light box that is waterproof and heat-dissipating.
  • the LED display light box with waterproof and heat dissipation includes a case body, a circuit board, and an LED lamp, wherein the front side of the case body is not coated with a waterproof material, and between the LED lamp and the circuit board An insulating and insulating layer is disposed, a heat absorbing layer and a heat dissipating layer are disposed at a rear portion of the box body, and a cavity structure is formed between the circuit board and the heat absorbing layer, and the back of the box body is provided There are heat-dissipating fins, the fin tail and the horizontal line are at an angle of 60° and are inclined downward.
  • the heat dissipation layer is an aluminum heat sink having a louver structure.
  • the utility model has the beneficial effects that the utility model can achieve good heat dissipation effect and effectively play the role of waterproofing, ensuring that rainwater does not flow into the interior of the LED display light box.
  • Figure 1 is a schematic view of the structure of the present invention.
  • the waterproof and heat-dissipating LED display light box provided by the utility model is further improved on the basis of the existing LED display screen light box, and ensures good waterproof and heat dissipation effects under the normal use of the LED display screen. See Figure 1 for the specific structure.
  • the front side of the light box 1 (ie, the light-emitting surface) is provided with a plurality of LED lights 3, the LED lights 3 are mounted on the circuit board 2, and an insulating and insulating layer 5 is disposed between the LED lamp 3 and the circuit board 2, in the light box 1
  • a waterproof material 4 which ensures that rainwater does not enter the cabinet through the gap of the LED light.
  • the rear portion of the light box 1 is provided with a heat absorbing layer 6 and a heat dissipating layer 7, and the heat absorbing layer 6 and the circuit board 2 have a cavity structure.
  • the rear surface of the light box 1 i.e., the opposite surface of the light-emitting surface
  • the fins of the heat dissipating fins 8 are inclined downward and have an angle of 60° with the horizontal line.
  • the heat dissipation layer 7 is provided as an aluminum heat sink having a louver structure.
  • the entire LED display light box structure has a good heat dissipation effect, and on the basis of the prior art, the waterproof effect can be increased, and the service life of the LED display is effectively extended.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

An LED display screen lamp box (1) comprises a box body housing, a circuit board (2), and LED lamps (3). The LED display screen lamp box (1) is characterized in that a waterproof material (4) is coated at the part, where the LED lamps are not disposed, of the front side of the box body housing; a heat insulation layers (5) is disposed between each LED lamp (3) and the circuit board (2); a heat absorption layer (6) and a heat dissipation layer (7) are disposed at the rear of a box body housing; a cavity structure is formed between the circuit board (2) and the heat absorption layer (6); and heat dissipation fins (8) are disposed on the back of the box body housing, an included angle between the tail part of each fin (8) and a horizontal line is 60 degrees, the fins (8) are inclined downwards, and the heat dissipation layer (7) uses heat-dissipation aluminum fins with a window blind structure. The LED display screen lamp box (1) has a good heat dissipation effect and an effective waterproof function.

Description

防水散热的 LED显示屏灯箱  Waterproof and cool LED display light box
技术领域 Technical field
本实用新型涉一种显示屏灯箱，具体是涉及一种有良好散热以及 防水作用的 LED显示屏灯箱。  The utility model relates to a display light box, in particular to an LED display light box with good heat dissipation and waterproof function.
體 Body
随着科技的发展， LED显示屏被广泛的运用在生活和生产中， 但 LED功率的不断加大， 使 LED显示屏散热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。 所以解决 LED散热问题成为当今提高 LED性能， 发展 LED产业的主要问 题。 另外， LED显示屏较多用于户外， 在户外， 风吹日晒雨淋不可避 免， 所以 LED显示屏的防水设计也面临挑战。 中国专利 CN 203480785 公开了一种防水散热 LED显示屏模组， 该显示屏能达到防水散热的效 果， 但是其小型通孔的设计使防水方面不能达到较好的效果， 因此在 更好的防水方面需要改进。  With the development of technology, LED display screens are widely used in life and production, but the increasing power of LEDs makes the heat dissipation of LED displays an arduous task. The light decay of LEDs or their lifetime is directly related to The junction temperature is related, the heat dissipation is not good, the junction temperature is high, and the life is short. Therefore, solving the problem of LED heat dissipation has become a major problem in improving LED performance and developing the LED industry. In addition, LED displays are mostly used outdoors, and outdoors, wind and sun are inevitable, so the waterproof design of LED displays is also facing challenges. Chinese patent CN 203480785 discloses a waterproof and heat-dissipating LED display module, which can achieve the effect of waterproof and heat dissipation, but the design of the small through-hole can not achieve better waterproof effect, so in terms of better waterproofing needs improvement.
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防水散热的 LED显 示屏灯箱  In view of the deficiencies in the prior art, the present invention provides a LED display screen light box that is waterproof and heat-dissipating.
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:
防水散热的 LED显示屏灯箱， 包括箱体外壳、 电路板、 LED灯， 其特征在于， 所述箱体外壳正面没有 LED灯的地方涂有防水材料， 所 述 LED灯与所述电路板之间设有绝缘隔热层，所述箱体后部设有吸热 层和散热层， 所述电路板与吸热层之间呈空腔结构， 所述箱体背面设 有散热翅片， 翅片尾部与水平线夹角为 60° 并向下倾斜。 The LED display light box with waterproof and heat dissipation includes a case body, a circuit board, and an LED lamp, wherein the front side of the case body is not coated with a waterproof material, and between the LED lamp and the circuit board An insulating and insulating layer is disposed, a heat absorbing layer and a heat dissipating layer are disposed at a rear portion of the box body, and a cavity structure is formed between the circuit board and the heat absorbing layer, and the back of the box body is provided There are heat-dissipating fins, the fin tail and the horizontal line are at an angle of 60° and are inclined downward.
所述散热层为呈百叶窗结构的铝散热片。  The heat dissipation layer is an aluminum heat sink having a louver structure.
本实用新型的有益效果在于：本实用新型能够起到良好的散热效 果， 并且有效起到防水的作用， 保证雨水不会流进 LED显示屏灯箱内 部。  The utility model has the beneficial effects that the utility model can achieve good heat dissipation effect and effectively play the role of waterproofing, ensuring that rainwater does not flow into the interior of the LED display light box.
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
本实用新型提供的防水散热的 LED显示屏灯箱，在现有 LED显示 屏灯箱的基础上进一歩改进， 保证在 LED显示屏正常使用的情况下， 起到良好的防水、 散热的效果。 具体结构参见图 1。  The waterproof and heat-dissipating LED display light box provided by the utility model is further improved on the basis of the existing LED display screen light box, and ensures good waterproof and heat dissipation effects under the normal use of the LED display screen. See Figure 1 for the specific structure.
灯箱 1的正面 （即亮灯面） 设有若干个 LED灯 3， LED灯 3安装 在电路板 2上， 且 LED灯 3与电路板 2之间设有绝缘隔热层 5， 在灯 箱 1的正面， 没有 LED灯的位置涂有防水材料 4， 这保证雨水不会通 过 LED灯的缝隙进入箱体内。  The front side of the light box 1 (ie, the light-emitting surface) is provided with a plurality of LED lights 3, the LED lights 3 are mounted on the circuit board 2, and an insulating and insulating layer 5 is disposed between the LED lamp 3 and the circuit board 2, in the light box 1 On the front side, the location without the LED light is coated with a waterproof material 4, which ensures that rainwater does not enter the cabinet through the gap of the LED light.
灯箱 1的后部分设有吸热层 6和散热层 7， 吸热层 6与电路板 2 之间呈空腔结构。在灯箱 1的背面（即亮灯面的对立面）设置成为翅 片的结构， 散热翅片 8使雨水不会进入箱体。散热翅片 8的翅片向下 倾斜， 且与水平线之间的角度为 60° 。  The rear portion of the light box 1 is provided with a heat absorbing layer 6 and a heat dissipating layer 7, and the heat absorbing layer 6 and the circuit board 2 have a cavity structure. The rear surface of the light box 1 (i.e., the opposite surface of the light-emitting surface) is provided with a fin structure, and the heat-dissipating fins 8 prevent rainwater from entering the cabinet. The fins of the heat dissipating fins 8 are inclined downward and have an angle of 60° with the horizontal line.
为了达到更好的散热效果， 优选地， 散热层 7设为呈百叶窗结构 的铝散热片。 整个 LED显示屏灯箱结构起到了良好的散热的效果，并且在现有 技术的基础上能增加其防水的效果，有效延长了 LED显示屏的使用寿 命。 In order to achieve a better heat dissipation effect, preferably, the heat dissipation layer 7 is provided as an aluminum heat sink having a louver structure. The entire LED display light box structure has a good heat dissipation effect, and on the basis of the prior art, the waterproof effect can be increased, and the service life of the LED display is effectively extended.
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 those skilled in the art can make several improvements and refinements without departing from the principles of the invention. Improvements and retouching should also be considered as protections created by the present invention.

Claims

权利要求 Rights request
1、 防水散热的 LED 显示屏灯箱， 包括箱体外壳、 电路板、 LED 灯，其特征在于，所述箱体外壳正面没有 LED灯的地方涂有防水材料， 所述 LED灯与所述电路板之间设有绝缘隔热层，所述箱体后部设有吸 热层和散热层， 所述电路板与吸热层之间呈空腔结构， 所述箱体背面 设有散热翅片， 翅片尾部与水平线夹角为 60 ° 并向下倾斜。  1. The LED display light box with waterproof and heat dissipation, comprising a casing body, a circuit board and an LED lamp, wherein the front side of the box body is not coated with a waterproof material, the LED lamp and the circuit board An insulating and insulating layer is disposed between the rear portion of the box body, and a heat absorbing layer and a heat dissipating layer are disposed. The circuit board and the heat absorbing layer have a cavity structure, and the rear side of the box body is provided with heat dissipating fins. The fin tail is at an angle of 60 ° to the horizontal and is inclined downward.
2、根据权利要求 1所述的带隔热层的 LED显示屏灯箱， 其特征还 在于， 所述散热层为呈百叶窗结构的铝散热片。  The LED display light box with a heat insulating layer according to claim 1, wherein the heat dissipation layer is an aluminum heat sink having a louver structure.
PCT/CN2014/082295 2014-06-18 2014-07-16 Waterproof heat-dissipation led display screen lamp box WO2015192423A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201420323739.1U CN204010562U (en) 2014-06-18 2014-06-18 The LED display lamp box of waterproof cooling
CN201420323739.1 2014-06-18

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN111656875A (en) * 2018-01-31 2020-09-11 Nec平台株式会社 Heat radiation waterproof structure

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107316570A (en) * 2017-07-20 2017-11-03 杜尚谦 LED modules and the outdoor LED display for exempting from casing installation and active water guide
CN109243298B (en) * 2018-09-17 2021-01-08 北海华源电子有限公司 Outdoor electronic display device capable of rotatably avoiding wind
CN112781017A (en) * 2021-01-12 2021-05-11 重庆博仕康科技有限公司 Automatic switching system for medical LED cold light source standby lamp

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CN201748247U (en) * 2010-07-23 2011-02-16 深圳市联建光电股份有限公司 Shuttle-type LED lamp strip and shuttle-type LED grating display module
EP2290640A2 (en) * 2009-08-25 2011-03-02 Daktronics, Inc. Light element seal module and method for same
CN102682670A (en) * 2011-09-30 2012-09-19 杨东佐 LED (Light Emitting Diode) dot matrix display screen
CN103527947A (en) * 2013-07-18 2014-01-22 邯郸市天之虹光电科技有限公司 Modularized LED drive circuit
CN203480785U (en) * 2013-09-25 2014-03-12 浙江方泰显示技术有限公司 Waterproof LED display screen module capable of dissipating heat

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* Cited by examiner, † Cited by third party
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US5722767A (en) * 1996-10-22 1998-03-03 Formosa Industrial Computing Inc. LED display panel structure
CN201363702Y (en) * 2009-01-13 2009-12-16 深圳市同洲电子股份有限公司 Cooling system of LED display screen
EP2290640A2 (en) * 2009-08-25 2011-03-02 Daktronics, Inc. Light element seal module and method for same
CN201748247U (en) * 2010-07-23 2011-02-16 深圳市联建光电股份有限公司 Shuttle-type LED lamp strip and shuttle-type LED grating display module
CN102682670A (en) * 2011-09-30 2012-09-19 杨东佐 LED (Light Emitting Diode) dot matrix display screen
CN103527947A (en) * 2013-07-18 2014-01-22 邯郸市天之虹光电科技有限公司 Modularized LED drive circuit
CN203480785U (en) * 2013-09-25 2014-03-12 浙江方泰显示技术有限公司 Waterproof LED display screen module capable of dissipating heat

Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN111656875A (en) * 2018-01-31 2020-09-11 Nec平台株式会社 Heat radiation waterproof structure
US11910553B2 (en) 2018-01-31 2024-02-20 Nec Platforms, Ltd. Heat-dissipating waterproof structure

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