WO2014172848A1 - 一种带磁性安装结构的led模组及led显示屏 - Google Patents

一种带磁性安装结构的led模组及led显示屏 Download PDF

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Publication number
WO2014172848A1
WO2014172848A1 PCT/CN2013/074582 CN2013074582W WO2014172848A1 WO 2014172848 A1 WO2014172848 A1 WO 2014172848A1 CN 2013074582 W CN2013074582 W CN 2013074582W WO 2014172848 A1 WO2014172848 A1 WO 2014172848A1
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WIPO (PCT)
Prior art keywords
led
panel
module
bottom case
mounting structure
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Application number
PCT/CN2013/074582
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English (en)
French (fr)
Inventor
薛元亭
沈伟峰
刘汉春
Original Assignee
成卓
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Application filed by 成卓 filed Critical 成卓
Priority to PCT/CN2013/074582 priority Critical patent/WO2014172848A1/zh
Publication of WO2014172848A1 publication Critical patent/WO2014172848A1/zh

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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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
    • G09F7/02—Signs, plates, panels or boards using readily-detachable elements bearing or forming symbols
    • G09F7/04—Signs, plates, panels or boards using readily-detachable elements bearing or forming symbols the elements being secured or adapted to be secured by magnetic means
    • 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
    • G09F9/302—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 characterised by the form or geometrical disposition of the individual elements
    • G09F9/3026—Video wall, i.e. stackable semiconductor matrix display modules

Definitions

  • LED module with magnetic mounting structure and LED display screen
  • the invention relates to an LED module and an LED display structure.
  • LED display also known as electronic display or floating screen, is composed of LED dot matrix, which displays text, pictures, animations, videos, etc. through the lighting of different color LED lights.
  • the LED display has the following advantages: high brightness, low operating voltage, low power consumption, miniaturization, long life, shock resistance and stable performance.
  • the LED display screen is composed of an LED module and a display box body, wherein the LED module is composed of a dot matrix composed of LED lamp beads, and is responsible for the light-emitting display.
  • the current LED module and the display box need to be fixed by screws.
  • the upper part of the LED module needs to be removed first, then the LED module is attached with the maintenance board, and the hole of the removed screw is long. Screw, then remove the remaining screws of the LED module, the maintenance board removes the LED module, the whole removal process is very troublesome, not only reduces the maintenance efficiency, but also the multiple removal and installation of the screw may cause damage to the LED module, and also reduce The life of the LED display.
  • One of the objects of the present invention is to provide an LED module with a magnetic mounting structure which can solve the problem of low maintenance efficiency.
  • An LED module with a magnetic mounting structure comprising a bottom case, and a PCB light board fixedly mounted on the front surface of the bottom case, fixedly mounted on the PCB light board
  • the mask is made up of LEDs
  • the lamp bead array is composed of a sheet body made of a ferromagnetic material between the bottom case and the PCB lamp board, and a plurality of magnets and a plurality of positioning pins are mounted on the periphery of the back side of the bottom case, and the magnet and the bottom case are mounted in a mosaic .
  • the magnet is flush with the back surface of the bottom case.
  • the positioning pin is integrally formed with the bottom case.
  • the back surface of the bottom case is formed by a closed array of heat dissipation ribs, and the convex portion of the heat dissipation rib is located between the back surface of the bottom case and the PCB light board, and the heat dissipation rib has a cavity and The opening in which the cavity communicates, the opening of the heat dissipation rib is located on the back of the bottom case.
  • the heat dissipation rib array is formed like a closed louver structure and has an IP43 protection level, which effectively prevents the PCB light board from directly contacting the outside world.
  • the sheet body has a cross shape and is located in the middle of the bottom case.
  • a second object of the present invention is also to provide an LED display panel which can solve the problem of low maintenance efficiency.
  • An LED display screen comprising a plurality of LED modules with a magnetic mounting structure as described above, a display screen case and a ferromagnetic material
  • the panel is fixedly mounted on the front surface of the display box, and the panel is provided with a plurality of positioning holes matched with the positioning pins, and the positioning pins are inserted into the corresponding positioning holes to enable a plurality of LED modules with magnetic mounting structures.
  • the group covers the entire panel.
  • the display box and the panel are divided into Do not open a plurality of long through holes for allowing the LED module with the magnetic mounting structure to pass through, and the long through holes of the display box and the positions of the long through holes of the panel correspond to each other.
  • the long through hole of the panel has a flange rib, and the flange rib is located in the display box body, and the flange rib is integrally formed with the panel.
  • the power circuit module and the control circuit module can be removed for the front and the back, the LED display screen further includes a power circuit module and a control circuit module, and the power circuit module and the control circuit module are electrically connected to the PCB light board.
  • the connection, the power circuit module and the control circuit module are respectively fixed in two different elongated through holes of the display box by the captive screws and the slot pins.
  • the long through holes of the power circuit module and the control circuit module are respectively covered with a profile package cover.
  • the ferromagnetic material according to the present invention means one of iron, cobalt, nickel, and an alloy formed of two or three of them.
  • the LED module and the display box are mounted together by a magnetic structure, and the inside of the LED module has a sheet made of ferromagnetic material.
  • the LED module When removing, the LED module is only required to be used with a maintenance board with strong magnetic properties. By absorbing, the LED module can be removed from the display box, which is convenient, thereby improving the maintenance efficiency, and the magnetic structure is used for installation, thereby reducing the friction between the LED module and the display box. Improve the service life of LED modules.
  • DRAWINGS 1 is a schematic structural view of an LED module with a magnetic mounting structure according to a preferred embodiment of the present invention
  • Figure 2 is an enlarged view of the area A of Figure 1;
  • Figure 3 is a schematic structural view of the back surface of Figure 1;
  • Figure 4 is an enlarged view of the B area of Figure 3;
  • Figure 5 is a schematic view showing the structure of the mask and the PCB light board omitted in Figure 1;
  • Figure 6 is an enlarged view of the area C of Figure 5;
  • FIG. 7 is a schematic view showing the installation of an LED display screen according to a preferred embodiment of the present invention.
  • Figure 8 is an enlarged view of the D area of Figure 7;
  • Figure 9 is a schematic view of the back structure of Figure 7;
  • Figure 10 is a schematic view of the front structure of the panel of Figure 7;
  • Figure 1 is a schematic view of the back structure of the panel of Figure 7;
  • Figure 1 2 is a schematic view showing the structure of the outline of the profile encapsulation cover and the LED module with the magnetic mounting structure;
  • Figure 13 is an enlarged view of the E area of Figure 12;
  • Figure 14 is a schematic view showing the disassembly of the LED display screen according to the preferred embodiment of the present invention
  • Figure 15 is a schematic view showing the structure of the maintenance hand of Figure 14;
  • Figure 16 is a schematic view showing the assembly of an LED display screen according to a preferred embodiment of the present invention
  • Figure 17 is a schematic view showing the structure of the steel wire rope of Figure 16;
  • an LED module 100 with a magnetic mounting structure includes a bottom case 3, and a PCB light board 1 fixedly mounted on the front surface of the bottom case 3, and is fixedly mounted on the PCB light board 1.
  • the mask 2 is composed of an array of LED lamp beads (not shown).
  • the sheet body 7 has a cross shape and is located at the center of the bottom case 3.
  • a plurality of magnets 4 and a plurality of positioning pins 5 are mounted on the periphery of the back surface of the bottom case 3, and the magnets 4 are mounted inlaid with the bottom case 3.
  • the magnet 4 is flush with the back surface of the bottom case 3.
  • the positioning pin 5 is integrally formed with the bottom case 3.
  • the back surface of the bottom case 3 is formed by an array of closed heat dissipation ribs 6.
  • the convex portion 601 of the heat dissipation rib 6 is located between the back surface of the bottom case 3 and the PCB light board 1.
  • the heat dissipation rib 6 has a cavity (not shown). And an opening (not shown) communicating with the cavity, the opening of the heat dissipation rib 6 being located at the back of the bottom case 3. That is to say, the array of heat dissipating ribs 6 is formed like a closed louver structure, and has an IP43 protection level, which effectively prevents the PCB panel 1 from directly contacting the outside world.
  • the embodiment further discloses an LED display screen comprising a plurality of LED modules 100 with a magnetic mounting structure as shown in FIGS. 1 to 5 , and a display box body. 9 and a panel 8 made of ferromagnetic material.
  • the panel 8 is fixedly mounted on the front surface of the display box 9.
  • the panel 8 is provided with a plurality of positioning holes 801 matched with the positioning pins 5.
  • the positioning pins 5 are inserted into the corresponding positioning holes 801, so that the plurality of magnetic mountings are performed.
  • the structured LED module 100 covers the entire panel 8.
  • the display box body 9 and the panel 8 are respectively provided with a plurality of elongated through holes 901 and 803 for allowing the LED module 100 with the magnetic mounting structure to pass, and the elongated through holes 901 of the display box 9 and the panel 8
  • the positions of the elongated through holes 803 correspond to each other.
  • the elongated through hole 803 of the panel 8 has a flanged rib 802, and the flanged rib 802 is located in the display case 9, and the flanged rib 802 is integrally connected to the panel 8.
  • the LED display screen of the embodiment further includes a power circuit module 11 and a control circuit module 12, and the power circuit module 11 and the control circuit module 12 are electrically connected to the PCB light board 1, and the power circuit module 11 and the control circuit module 12 respectively pass through the pine.
  • the captive screws 13 and the slot pins 14 are fixedly mounted in two different elongated through holes 901 of the display box 9.
  • the installation of the power circuit module 11 is taken as an example (the control circuit module 12 is also mounted in the same manner), and the lower portions of the opposite side walls of the elongated through hole 901 are provided with the card slot pins 14 and the upper portions are mounted with loose
  • the lower part of the power circuit module 11 is engaged with the slot pin 14 , and the upper part of the power circuit module 1 1 is screwed to the captive screw 13 . Since the power circuit module 11 and the control circuit module 12 are all installed in the elongated through hole 901, the power circuit module 11 can be easily removed during maintenance and disassembly, regardless of the front or back of the display case 9.
  • the control circuit module 12 is taken out.
  • the strip-shaped through-holes 901 on which the power circuit module 11 and the control circuit module 12 are mounted are respectively covered with a profile package cover 10 so as to form a power supply box and a control box, respectively.
  • a strong magnetic body is also embedded in the periphery of the back surface of the display case 9.
  • the iron 15 and the powerful magnet 15 are flush with the back surface of the display case 9.
  • the installation process of the LED display screen is as follows: The panel 8 is mounted with the display box 9 by screws, and then the positioning pins 5 of the LED module 100 are aligned with the corresponding positioning holes 801 on the panel 8. The positioning pin 5 is inserted into the corresponding positioning hole 801, and the magnet 4 and the panel 8 are sucked together to complete the installation, which is very convenient. Since the magnet 4 and the bottom case 3 are embedded, it is not necessary to adjust the height of the magnet 4. After installation, the LED module 100 is tightly coupled with the panel 8, and no adjustment is required.
  • the process of removing the LED module 100 and the panel 8 is: aligning the suction end of the maintenance handle 200 with the middle of the LED module 100, and maintaining the strong magnet 201 and the LED of the handle 200 The inner body 7 of the module 100 is sucked, and then the maintenance handle 200 is pulled outward, so that the LED module 100 can be easily removed from the panel 8, without the need to screw the screw, which is very convenient.
  • the process of assembling the plurality of LED display screens of the present embodiment is as follows: the strong magnet 15 on the back of the display box 9 is used to pull the iron tube 300, and then the iron is taken by the steel wire rope 400.
  • the tube 300 is locked to the display housing 9 for reinforcement.
  • the wire rope 400 includes a fixed end 402 and a fastening portion 401. In use, the wire rope 400 winds the iron pipe 300 and the display box body 9, and then fastens the fastening portion 401 and the fixed end 402, and the assembly process is quick and convenient. .

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Multimedia (AREA)

Abstract

一种带磁性安装结构的LED模组（100）及LED显示屏。该LED模组包括底壳（3），与底壳（3）的正面固定安装的PCB灯板（1），固定安装在PCB灯板（1）上的面罩（2），所述面罩（2）由LED灯珠阵列构成，底壳（3）与PCB灯板（1）之间具有一由铁磁材料制成的片体（7），底壳（3）的背面周缘上安装有多个磁铁（4）及多个定位销（5），所述磁铁（4）与底壳（3）镶嵌安装。LED模组（100）与显示屏箱体（9）通过磁性结构安装在一起，而且LED模组（100）内部具有一由铁磁材料制成的片体，拆除时，只需使用带有强磁性的维护板对LED模组（100）进行吸合，即可将LED模组（100）从显示屏箱体（9）上拆除，十分方便，从而提高了维护效率。

Description

一种带磁性安装结构的 LED模组及 LED显示屏 技术领域
本发明涉及 LED模组及 LED显示屏结构。
背景技术
LED显示屏又叫电子显示屏或者飘字屏幕， 是由 LED点阵组成， 通过不同颜色 LED灯珠的亮灭来显示文字、 图片、动画、视频等。 LED 显示屏具有以下优点： 亮度高、 工作电压低、 功耗小、 小型化、 寿命 长、 耐沖击和性能稳定等。
通常 LED显示屏由 LED模组和显示屏箱体组成， 其中， LED模组 由 LED灯珠组成的点阵构成， 负责发光显示。 目前的 LED模组与显示 屏箱体需要通过螺丝固定， 拆卸维护时， 需要先将 LED模组上部分螺 丝拆除， 然后用维护板贴上 LED模组， 在被拆除螺丝的孔位上打上长 螺丝， 接着把 LED模组剩余的螺丝拆除， 维护板将 LED模组取下， 整 个拆除过程十分麻烦， 不仅降低维护效率， 而且多次拆除、 安装螺丝 有可能造成 LED模组的损坏， 还降低了 LED显示屏的使用寿命。
发明内容
本发明的目的之一在于提出一种带磁性安装结构的 LED模组，其 能解决维护效率低的问题。
为了达到上述目的之一， 本发明所采用的技术方案如下： 一种带磁性安装结构的 LED模组， 其包括底壳， 与底壳的正面固 定安装的 PCB灯板， 固定安装在 PCB灯板上的面罩， 所述面罩由 LED 灯珠阵列构成， 底壳与 PCB灯板之间具有一由铁磁材料制成的片体， 底壳的背面周缘上安装有多个磁铁及多个定位销，所述磁铁与底壳镶 嵌安装。
优选的， 为了提高底壳与 LED显示屏的面板的结合力， 所述磁铁 与底壳的背面齐平。
优选的， 所述定位销与底壳一体成型连接。
优选的， 为了提高防尘、 散热性能， 底壳的背面由封闭的散热凸 棱阵列构成，散热凸棱的凸部位于底壳的背面与 PCB灯板之间，散热 凸棱具有一空腔以及与空腔连通的开口，散热凸棱的开口位于底壳的 背面。 也就是说， 散热凸棱阵列形成类似于封闭百叶状结构， 具有 IP43防护等级， 有效防止 PCB灯板与外界直接接触。
优选的， 为了增大与维护板的接触面积， 所述片体呈十字形状， 且位于底壳的中部。
本发明的目的之二还提出一种 LED显示屏，其能解决维护效率低 的问题。
为了达到上述目的之二， 本发明所采用的技术方案如下： 一种 LED显示屏， 其包括多个如上所述的带磁性安装结构的 LED 模组、显示屏箱体以及由铁磁材料制成的面板， 面板固定安装在显示 屏箱体的正面， 面板上开设有多个与定位销匹配的定位孔， 定位销插 装在对应的定位孔内，以使多个带磁性安装结构的 LED模组覆盖整个 面板。
优选的， 为了方便 LED模组能从背面取出， 显示屏箱体、 面板分 别开设有多个允许带磁性安装结构的 LED模组通过的长条形通孔，显 示屏箱体的长条形通孔与面板的长条形通孔的位置相互对应。
进一步优选的， 为了提高面板强度， 面板的长条形通孔具有翻边 加强筋，翻边加强筋位于显示屏箱体内，翻边加强筋与面板一体成型 连接。
进一步优选的， 为了前面、 背面都能对电源电路模块、 控制电路 模块进行拆除， 所述 LED显示屏还包括电源电路模块和控制电路模 块， 电源电路模块、 控制电路模块均与 PCB灯板电性连接， 电源电路 模块、控制电路模块分别通过松不脱螺釘及卡槽销釘固定安装在显示 屏箱体的两个相异的长条形通孔内。
进一步优选的， 为了防尘， 安装有电源电路模块、 控制电路模块 的长条形通孔上分别盖装有型材封装盖。
本发明所述的铁磁材料是指铁、 钴、 镍中的一种， 以及其中的二 种或三种形成的合金。
本发明具有如下有益效果：
LED模组与显示屏箱体通过磁性结构安装在一起， 而且 LED模组 内部具有一由铁磁材料制成的片体， 拆除时， 只需使用带有强磁性的 维护板对 LED模组进行吸合， 即可将 LED模组从显示屏箱体上拆除， 十分方便， 从而提高了维护效率， 而且， 利用磁性结构进行安装， 减 少了 LED模组与显示屏箱体之间的摩擦，从而提高了 LED模组的使用 寿命。
附图说明 图 1为本发明较佳实施例的带磁性安装结构的 LED模组的结构示 意图；
图 2为图 1的 A区放大图；
图 3为图 1的背面的结构示意图；
图 4为图 3的 B区放大图；
图 5为图 1省略面罩及 PCB灯板的结构示意图；
图 6为图 5的 C区放大图；
图 7为本发明较佳实施例的 LED显示屏的安装示意图；
图 8为图 7的 D区放大图；
图 9为图 7的背面结构示意图；
图 1 0为图 7的面板的正面结构示意图；
图 1 1为图 7的面板的背面结构示意图；
图 1 2为图 9省略型材封装盖及带磁性安装结构的 LED模组的结 构示意图；
图 1 3为图 12的 E区放大图；
图 14为本发明较佳实施例的 LED显示屏的拆卸示意图； 图 15为图 14中的维护 手的结构示意图；
图 16为本发明较佳实施例的 LED显示屏的拼装示意图； 图 17为图 16中的钢丝绳的结构示意图。
附图标记： 1、 PCB 灯板； 2、 面罩； 3、 底壳； 4、 磁铁； 5、 定 位销； 6、 散热凸棱； 601、 凸部； 7、 片体； 8、 面板； 801、 定位孔； 802、 翻边加强筋； 803、 长条形通孔； 9、 显示屏箱体； 901、 长条形 通孔； 10、 型材封装盖； 11、 电源电路模块； 12、 控制电路模块； 1 3、 松不脱螺釘； 14、 卡槽销釘； 15、 强力磁铁； 1 00、 LED模组； 200、 维护把手； 201、 强力磁铁； 300、 铁管； 400、 钢丝绳； 401、 扣接部； 402、 固定端。
具体实施方式
下面， 结合附图以及具体实施方式， 对本发明做进一步描述。 如图 1至图 5所示， 一种带磁性安装结构的 LED模组 100 , 其包 括底壳 3 , 与底壳 3的正面固定安装的 PCB灯板 1 , 固定安装在 PCB 灯板 1上的面罩 2 , 所述面罩 2由 LED灯珠（图未标出） 阵列构成。
底壳 3与 PCB灯板 1之间具有一由铁磁材料制成的片体 7。 所述 片体 7呈十字形状， 且位于底壳 3的中部。
底壳 3的背面周缘上安装有多个磁铁 4及多个定位销 5 , 所述磁 铁 4与底壳 3镶嵌安装。 所述磁铁 4与底壳 3的背面齐平。 所述定位 销 5与底壳 3—体成型连接。
底壳 3的背面由封闭的散热凸棱 6阵列构成，散热凸棱 6的凸部 601位于底壳 3的背面与 PCB灯板 1之间，散热凸棱 6具有一空腔（图 未标出）以及与空腔连通的开口 （图未标出）， 散热凸棱 6的开口位 于底壳 3的背面。也就是说，散热凸棱 6阵列形成类似于封闭百叶状 结构， 具有 IP43防护等级， 有效防止 PCB灯板 1与外界直接接触。
如图 7至图 1 3所示， 本实施例还公开了一种 LED显示屏， 其包 括多个如图 1至图 5所示的带磁性安装结构的 LED模组 1 00、 显示屏 箱体 9以及由铁磁材料制成的面板 8。 面板 8固定安装在显示屏箱体 9的正面，面板 8上开设有多个与 定位销 5匹配的定位孔 801 , 定位销 5插装在对应的定位孔 801内， 以使多个带磁性安装结构的 LED模组 100覆盖整个面板 8。
显示屏箱体 9、面板 8分别开设有多个允许带磁性安装结构的 LED 模组 100通过的长条形通孔 901、 803 , 显示屏箱体 9的长条形通孔 901与面板 8的长条形通孔 803的位置相互对应。
面板 8的长条形通孔 803具有翻边加强筋 802 , 翻边加强筋 802 位于显示屏箱体 9内， 翻边加强筋 802与面板 8—体成型连接。
本实施例的 LED显示屏还包括电源电路模块 11和控制电路模块 12 , 电源电路模块 11、 控制电路模块 12均与 PCB灯板 1电性连接， 电源电路模块 11、 控制电路模块 12分别通过松不脱螺釘 1 3及卡槽 销釘 14固定安装在显示屏箱体 9的两个相异的长条形通孔 901内。 以电源电路模块 11的安装为例进行说明（控制电路模块 12也以相同 的方式安装）， 长条形通孔 901的相对两侧壁的下部均安装有卡槽销 釘 14 , 上部均安装有松不脱螺釘 1 3 , 电源电路模块 11的下部与卡槽 销釘 14卡接， 电源电路模块 1 1的上部与松不脱螺釘 1 3螺接。 由于 电源电路模块 11、 控制电路模块 12均安装在长条形通孔 901内， 因 此， 在维护拆卸时， 不管是显示屏箱体 9的正面或背面， 都可以轻松 地将电源电路模块 11、 控制电路模块 12取出。
安装有电源电路模块 11、 控制电路模块 12的长条形通孔 901上 分别盖装有型材封装盖 10 , 以使分别形成电源盒和控制盒。
此外， 如图 12所示， 显示屏箱体 9的背面周缘也内嵌有强力磁 铁 15 , 强力磁铁 15与显示屏箱体 9的背面齐平。
如图 7所示， LED显示屏的安装过程为： 通过螺丝将面板 8与显 示屏箱体 9安装在一起， 然后将 LED模组 1 00的定位销 5对准面板 8 上相应的定位孔 801 , 并使定位销 5插装到相应的定位孔 801内， 磁 铁 4与面板 8吸合， 即可完成安装， 十分方便。 由于磁铁 4与底壳 3 内嵌， 无需调整磁铁 4的高度， 安装后， LED模组 1 00与面板 8紧密 结合， 无需调整。
如图 14和图 1 5所示， LED模组 1 00与面板 8的拆除过程为： 将 维护把手 200的吸合端对准 LED模组 1 00的中部，维护把手 200的强 力磁铁 201与 LED模组 1 00内部的片体 7吸合，然后往外拉维护把手 200 , 即可轻松地将 LED模组 1 00从面板 8上拆除， 无需拧螺丝， 十 分方便。
如图 16和图 1 7所示，将多个本实施例的 LED显示屏进行拼装的 过程如下： 利用显示屏箱体 9背面的强力磁铁 15与铁管 300吸合， 然后利用钢丝绳 400将铁管 300与显示屏箱体 9锁定， 以进行加固。 所述钢丝绳 400包括固定端 402和扣接部 401 , 使用时， 钢丝绳 400 将铁管 300与显示屏箱体 9绕紧，然后将扣接部 401与固定端 402扣 接， 拼装过程快速、 方便。
对于本领域的技术人员来说，可根据以上描述的技术方案以及构 思， 做出其它各种相应的改变以及变形， 而所有的这些改变以及变形 都应该属于本发明权利要求的保护范围之内。

Claims

权 利 要 求 书
1. 一种带磁性安装结构的 LED模组， 其包括底壳， 与底壳的正面固 定安装的 PCB灯板， 固定安装在 PCB灯板上的面罩， 所述面罩由 LED灯珠阵列构成， 其特征在于， 底壳与 PCB灯板之间具有一由 铁磁材料制成的片体， 底壳的背面周缘上安装有多个磁铁及多个 定位销， 所述磁铁与底壳镶嵌安装。
2. 如权利要求 1所述的带磁性安装结构的 LED模组， 其特征在于， 所述磁铁与底壳的背面齐平。
3. 如权利要求 1所述的带磁性安装结构的 LED模组， 其特征在于， 所述定位销与底壳一体成型连接。
4. 如权利要求 1所述的带磁性安装结构的 LED模组， 其特征在于， 底壳的背面由封闭的散热凸棱阵列构成， 散热凸棱的凸部位于底 壳的背面与 PCB灯板之间， 散热凸棱具有一空腔以及与空腔连通 的开口， 散热凸棱的开口位于底壳的背面。
5. 如权利要求 1所述的带磁性安装结构的 LED模组， 其特征在于， 所述片体呈十字形状， 且位于底壳的中部。
6. 一种 LED显示屏， 其特征在于， 包括多个如权利要求 1-5任一项 所述的带磁性安装结构的 LED模组、 显示屏箱体以及由铁磁材料 制成的面板， 面板固定安装在显示屏箱体的正面， 面板上开设有 多个与定位销匹配的定位孔， 定位销插装在对应的定位孔内， 以 使多个带磁性安装结构的 LED模组覆盖整个面板。
7. 如权利要求 6所述的 LED显示屏， 其特征在于， 显示屏箱体、 面 板分别开设有多个允许带磁性安装结构的 LED模组通过的长条形 通孔， 显示屏箱体的长条形通孔与面板的长条形通孔的位置相互 对应。
8. 如权利要求 7所述的 LED显示屏， 其特征在于， 面板的长条形通 孔具有翻边加强筋， 翻边加强筋位于显示屏箱体内， 翻边加强筋 与面板一体成型连接。
9. 如权利要求 7所述的 LED显示屏， 其特征在于， 所述 LED显示屏 还包括电源电路模块和控制电路模块， 电源电路模块、 控制电路 模块均与 PCB灯板电性连接， 电源电路模块、 控制电路模块分别 通过松不脱螺釘及卡槽销釘固定安装在显示屏箱体的两个相异的 长条形通孔内。
1 0. 如权利要求 9所述的 LED显示屏， 其特征在于， 安装有电源电 路模块、 控制电路模块的长条形通孔上分别盖装有型材封装盖。
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