WO2019184133A1 - Large curved led screen module and mounting and adjusting method therefor - Google Patents

Large curved led screen module and mounting and adjusting method therefor Download PDF

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Publication number
WO2019184133A1
WO2019184133A1 PCT/CN2018/094597 CN2018094597W WO2019184133A1 WO 2019184133 A1 WO2019184133 A1 WO 2019184133A1 CN 2018094597 W CN2018094597 W CN 2018094597W WO 2019184133 A1 WO2019184133 A1 WO 2019184133A1
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Prior art keywords
led screen
screen module
mounting
curved
pcb printed
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PCT/CN2018/094597
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French (fr)
Chinese (zh)
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王丹
汪淼
吴俊斌
龚奎成
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大连万达集团股份有限公司
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Publication of WO2019184133A1 publication Critical patent/WO2019184133A1/en

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    • 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
    • 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

  • the invention relates to the field of cinema screen display, in particular to a large curved LED screen module and a method for installing and adjusting the same.
  • the curved LED screen is also used in large quantities.
  • the installation and fixation of large curved LED screens mostly use curved skeletons to form curved shape structures, but the LED display is generally only a flat panel.
  • the curved LED display is too expensive, and the curved LED display is The curvature may not be exactly the same as the curved surface of the curved surface.
  • the flat panel LED display it is generally pressed into a curved panel that fits the skeleton, or is spliced to each other and then fixed on the skeleton by screws. .
  • the installation accuracy of these two methods is controlled by the curved surface skeleton, and the precision error caused by the curved surface skeleton cannot be eliminated, and the curved display screen has a serious corrugation feeling.
  • the object of the present invention is to provide a large-scale curved LED screen module and a mounting and adjusting method thereof, which can improve the installation precision and eliminate the accumulated error.
  • the method for installing and adjusting a large curved LED screen module of the present invention comprises the following steps:
  • the curved skeleton for mounting the LED screen module is divided according to the distribution pattern of the warp and the weft, forming a lateral equatorial portion and a longitudinally symmetrical intermediate position portion, and an intermediate position portion symmetrical from the lateral equatorial portion and the longitudinal direction
  • the interaction points to the upper left, upper right, lower left, and lower right four directions; and calculate the equator portion, the left and right symmetrical intermediate position portion, and the LEDs required for each of the upper left, upper right, lower left, and lower right regions. Number of screen modules;
  • the installation process of the equatorial part LED screen module when the installed quantity of the LED screen module reaches the measurement value N, the on-site installation accuracy is measured once, and the installation precision of the N LED screen modules is adjusted according to the difference between the test value and the theoretical value. Adjusting the mounting accuracy of the LED screen module by using the boss of the LED screen module during the installation precision adjustment process of the N LED screen modules;
  • the LED screen module is installed in the middle and left symmetrical intermediate position portion.
  • the installed quantity of the LED screen module reaches the measured value
  • the on-site installation accuracy is measured once, and the mounting precision of the LED screen module is used according to the test value and the theoretical value. Adjustment;
  • the curved LED screen is sequentially installed to the upper left, upper right, lower left, and lower right regions, and the mounting precision of the LED screen module is adjusted. Distribute the installation error evenly into the upper left, upper right, lower left, and lower right areas.
  • step 3) and step 4 the mounting precision is adjusted by grinding off the boss of the LED screen module.
  • the LED screen module is directly adsorbed and fixed on the curved skeleton by means of a magnetic steel seat.
  • the large curved LED screen module of the present invention comprises a PCB printed board for fixing illuminating pixels, the PCB printed board is square, and two sides are integrally formed on each side of the PCB printed board for A boss that adjusts the mounting accuracy.
  • the bosses are distributed at both ends of each side of the PCB printed board.
  • the illuminating pixel is a surface-mount type light-emitting diode, and is fixed on the light-emitting surface of the PCB printed board by means of bonding, and each adjacent four of the illuminating pixels is a group, and is diamond-shaped and pasted on the PCB.
  • a sound-permeable hole penetrating through the PCB printed board is disposed in the middle of each adjacent four of the light-emitting pixels.
  • the back surface of the light emitting surface of the PCB printed circuit board is a driving surface, and a driving device capable of driving and controlling the illuminating pixels is fixed on the driving surface by a pasting manner, and a control circuit is disposed through a circuit printing manner.
  • a plurality of magnetic steel seats for connecting and fixing the LED display screen are attached to the driving surface.
  • the large curved LED screen module and the installation and adjustment method thereof in the invention are not controlled by the curved surface skeleton, can effectively eliminate the precision error caused by the curved skeleton, can improve the installation precision and eliminate the accumulated error.
  • FIG. 1 is a schematic perspective view showing the structure of an LED screen module according to the present invention.
  • FIG. 2 is a front elevational view of the LED screen module of the present invention.
  • FIG. 3 is a side elevational view of the LED screen module of the present invention.
  • Figure 4 is an enlarged schematic view of a portion A of Figure 1.
  • Figure 5 is a schematic view showing the separation of the curved skeleton in the present invention.
  • FIG. 6 is a schematic diagram of adjustment of the LED screen module in a fixed installation according to the present invention.
  • the LED screen module of the present invention comprises a square PCB printed board 1 and a plurality of illuminating pixels 2 fixed to the light emitting surface 3 of the PCB printed board 1 by bonding. All of the illuminating pixels 2 are provided with surface-mount type light-emitting diodes, and the surface-mount type light-emitting diodes are fixed to the surface of the light-emitting surface 3 by sticking, and can emit red, green, blue, and white light.
  • the four adjacent illuminating pixels 2 are distributed in a diamond shape, specifically, four illuminating pixels are staggered, and the two illuminating pixels are inclined at a 45 degree angle to the contour side of the square PCB printed board 1, thereby forming
  • the four illuminating pixels 2 are a set of diamond-shaped distributions, and a space for circling the circular sound-permeable holes 5 of the PCB printed board 1 is formed in the middle of the four diamond-shaped illuminating pixels 2.
  • the driving surface 4 is located on the back surface of the light-emitting surface 3, and a wiring area is reserved on the driving surface 4 when the PCB printed circuit board 1 is punched, and is printed on the driving surface 4 of the PCB printed board 1 by the printing method of the circuit board.
  • a control circuit is provided, and a plurality of driving devices 6 are provided at the same time, and the illuminating pixels 2 are driven and controlled by the driving device 6 and the control circuit.
  • Four magnet seats 7 are attached to the four corners of the driving surface 4, and the PCB board 1 can be adsorbed and mounted on the curved frame 8 by using four magnet seats 7.
  • the PCB printed board 1 has a square shape, and on one of its four sides, a boss 9 having a thickness of 3-8 mm is integrally formed, and two bosses are formed on each side. 9, each boss 9 is near the end corner of the PCB printed board 1, wherein the outer side of the boss 9 is 5-15 mm away from the other side of the PCB printed board 1, generally 10 mm, as shown in FIG. As shown, the eight bosses 9 are completely symmetrically distributed on the four sides of the PCB printed board 1.
  • the LED screen module of the present invention is installed as a large spherical LED screen as an example for description. Of course, it is not limited thereto, and can be applied to an LED display screen of any curved surface. When installing and adjusting, the following steps are performed:
  • the LED screen module of the present invention is mounted and fixed on the curved frame 8, and the curved skeleton 8 is made of a metal material such as stainless steel.
  • the detailed description of the curved skeleton 8 is carried out in other patents, and will not be described in detail herein.
  • the curved skeleton 8 of the large spherical LED screen is divided according to the distribution of the warp and the weft, and the lateral equatorial portion 10, the longitudinally symmetrical intermediate position portion 11, and the lateral equator portion 10 and the longitudinal direction are formed.
  • the intersections 12 of the symmetrical intermediate position portion 11 are four regions of the upper left, upper right, lower left, and lower right four directions, which are the first region 13, the second region 14, the third region 15, and the fourth region 16, respectively.
  • the required LEDs are calculated from the measured data and the size of the LED screen module, and the left and right symmetrical intermediate position portions 11, the first region 13, the second region 14, the third region 15, and the fourth region 16 are required for each of the LEDs.
  • the LED screen module is laid and installed.
  • the LED screen module of the equator portion 10 is installed, and then the LED screen module of the left and right symmetrical intermediate position portion 11 is installed, and then the way from the interaction point 12 to the upper left direction is
  • the installation of the LED screen module in an area 13 is the same as the installation in the first area 13, starting from the interaction point 12, and installing the LED screen module on the second area 14, the third area 15, and the fourth area 16 in sequence. .
  • the installation of the LED screen module in the equator portion 10 when the number of LED screen module installations reaches the value N of the measurement calculation, the field installation accuracy is measured once, and the N LED screen modules are performed according to the difference between the test value and the theoretical value.
  • the installation precision is adjusted.
  • the spacing of the illuminating pixels between adjacent LED screen modules is C
  • the spacing of the internal illuminating pixels of the LED screen module is B
  • the spigot 9 between the LED screen modules Adjusting, that is, by grinding off the thickness of the boss 9 or part of the boss 9, as shown in FIG. 6, so that the pitch of the illuminating pixels between adjacent LED screen modules is the same as the spacing of the illuminating pixels inside the LED screen module, reducing the cause The corrugation feeling formed by the splicing of the LED screen modules.
  • the LED screen module After installing the LED screen module in the equator portion 10, the LED screen module is installed in the left and right symmetrical intermediate position portion 11. During the installation process, when the number of LED screen module installations reaches the measured value, the installation accuracy is measured once. According to the difference between the test value and the theoretical value, the mounting precision of each LED screen module is adjusted by using the boss, and the specific adjustment method is the same as the adjustment of the equator portion 10.
  • first area 13, the second area 14, the third area 15, and the fourth area 16 are sequentially mounted with LED screen modules, and in each area, from the lateral equatorial portion 10 and the longitudinally symmetrical intermediate position portion 11
  • the interaction point 12 starts to be fixed and fixed in the four directions of the upper left, the upper right, the lower left, and the lower right, and the mounting precision is adjusted by the boss 9 of the LED screen module, so that the installation error can be evenly distributed to the upper left and upper right. , in the lower left and lower right areas.
  • the LED screen module of the present invention can be used to avoid the formation of a gap in the splicing process of the LED screen module by means of the arrangement of the four side edges being the bosses, and the installation is too tight when the LED screen module is spliced.
  • the boss of the LED screen module with a large size is processed to ensure the assembly accuracy. Combined with special installation methods, it can effectively improve the installation accuracy and eliminate the accumulated error.

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

Abstract

Disclosed by the present invention are a large curved LED screen module and a mounting and adjusting method therefor, the large curved LED screen module comprising a PCB used for fixing light emitting pixels, wherein the PCB is in the shape of a square; and two bosses used for adjusting mounting accuracy are integrally molded on each side of the PCB. By virtue of the arrangement wherein four side edges are bosses, the formation of cracks during an LED screen module splicing process may be prevented when processing accuracy is not high; and the bosses of a relatively large LED screen module are processed when mounting is excessively tight, thus splicing accuracy may be guaranteed. In combination with a special manner of mounting, mounting accuracy may be effectively improved and cumulative errors may be eliminated.

Description

大型曲面LED屏幕模块及其安装调整方法Large curved LED screen module and installation adjustment method thereof 技术领域Technical field
本发明涉及电影荧幕显示领域，具体地说，涉及一种大型曲面LED屏幕模块及其安装调整方法。The invention relates to the field of cinema screen display, in particular to a large curved LED screen module and a method for installing and adjusting the same.
背景技术Background technique
随着动感观影体验游乐项目的产生与增加。曲面LED屏幕也被大量使用，大型曲面LED屏幕的安装与固定大多利用曲面骨架，形成曲面形状构造，但是LED显示屏一般只是平面板，曲面的LED显示屏造价太高，并且曲面LED显示屏的弧度也不一定能刚好与曲面骨架相吻合，而对于平面板状的LED显示屏的安装，一般是按压成与骨架相适配的曲面板，或是互相拼接后由螺钉紧贴固定在骨架上。但是这两种方式安装精度受控于曲面骨架，无法消除曲面骨架造成的精度误差，曲面显示屏瓦楞感严重。With the dynamic viewing experience, the production and increase of amusement projects. The curved LED screen is also used in large quantities. The installation and fixation of large curved LED screens mostly use curved skeletons to form curved shape structures, but the LED display is generally only a flat panel. The curved LED display is too expensive, and the curved LED display is The curvature may not be exactly the same as the curved surface of the curved surface. For the installation of the flat panel LED display, it is generally pressed into a curved panel that fits the skeleton, or is spliced to each other and then fixed on the skeleton by screws. . However, the installation accuracy of these two methods is controlled by the curved surface skeleton, and the precision error caused by the curved surface skeleton cannot be eliminated, and the curved display screen has a serious corrugation feeling.
发明内容Summary of the invention
本发明的目的在于提供一种大型曲面LED屏幕模块及其安装调整方法，可以提高安装精度、消除累计误差。The object of the present invention is to provide a large-scale curved LED screen module and a mounting and adjusting method thereof, which can improve the installation precision and eliminate the accumulated error.
本发明中大型曲面LED屏幕模块的安装调整方法，包括以下步骤：The method for installing and adjusting a large curved LED screen module of the present invention comprises the following steps:
1)利用全站仪完成曲面骨架的水平角、垂直角、距离、高差测量的全部测量工作；1) Complete measurement of the horizontal angle, vertical angle, distance and height difference of the curved surface skeleton by using the total station;
2)将用于安装LED屏幕模块的曲面骨架根据经线、纬线的分布方式进行分隔，形成横向的赤道部分和纵向左右对称的中间位置部分，以及从横向赤道部分和纵向左右对称的中间位置部分的交互点向左上，右上，左下，右下四个方向的四个区域；并计算出赤道部分，左右对称的中间位置部分，及左上、右上、左下、右下四个每一区域所需的LED屏幕模块数量；2) The curved skeleton for mounting the LED screen module is divided according to the distribution pattern of the warp and the weft, forming a lateral equatorial portion and a longitudinally symmetrical intermediate position portion, and an intermediate position portion symmetrical from the lateral equatorial portion and the longitudinal direction The interaction points to the upper left, upper right, lower left, and lower right four directions; and calculate the equator portion, the left and right symmetrical intermediate position portion, and the LEDs required for each of the upper left, upper right, lower left, and lower right regions. Number of screen modules;
3)依次在大型曲面LED屏幕的中间位置，即赤道部分和左右对称的中间位置部分安装LED屏幕模块；3) sequentially mounting LED screen modules in the middle of the large curved LED screen, that is, the equator portion and the left and right symmetrical intermediate position portions;
赤道部分LED屏幕模块的安装过程中，当LED屏幕模块安装数量到达测量数值N时，对现场安装精度进行一次测量，并根据测试数值和理论数值的差异对N个LED屏幕模块进行安装精度调整，对N个LED屏幕模块进行安装精度调整过程中利用LED屏幕模块的凸台进行安装精度调整；During the installation process of the equatorial part LED screen module, when the installed quantity of the LED screen module reaches the measurement value N, the on-site installation accuracy is measured once, and the installation precision of the N LED screen modules is adjusted according to the difference between the test value and the theoretical value. Adjusting the mounting accuracy of the LED screen module by using the boss of the LED screen module during the installation precision adjustment process of the N LED screen modules;
再在左右对称的中间位置部分进行LED屏幕模块安装，当LED屏幕模块安装数量到达测量值时，对现场安装精度进行一次测量，并利用LED屏幕模块的凸台根据测试数值和理论数值进行安装精度调整；Then, the LED screen module is installed in the middle and left symmetrical intermediate position portion. When the installed quantity of the LED screen module reaches the measured value, the on-site installation accuracy is measured once, and the mounting precision of the LED screen module is used according to the test value and the theoretical value. Adjustment;
4)再从横向赤道部分和纵向左右对称的中间位置部分的交互点，向左上、右上、左下、右下四个区域依次安装曲面LED屏幕，并利用LED屏幕模块的凸台进行安装精度调整，将安装误差均匀分散到左上、右上、左下、右下四个区域中。4) From the intersection point of the lateral equator portion and the longitudinally symmetrical intermediate position portion, the curved LED screen is sequentially installed to the upper left, upper right, lower left, and lower right regions, and the mounting precision of the LED screen module is adjusted. Distribute the installation error evenly into the upper left, upper right, lower left, and lower right areas.
步骤3)、步骤4)中，通过磨去LED屏幕模块凸台的方式进行安装精度的调整。In step 3) and step 4), the mounting precision is adjusted by grinding off the boss of the LED screen module.
所述LED屏幕模块借助于磁钢座直接吸附固定在曲面骨架上。The LED screen module is directly adsorbed and fixed on the curved skeleton by means of a magnetic steel seat.
本发明中大型曲面LED屏幕模块包括有用于固定发光像素的PCB印制板，所述PCB印制板呈方形，在所述PCB印制板的每条侧边上均一体成形有两个用于调整安装精度的凸台。The large curved LED screen module of the present invention comprises a PCB printed board for fixing illuminating pixels, the PCB printed board is square, and two sides are integrally formed on each side of the PCB printed board for A boss that adjusts the mounting accuracy.
所述凸台分布在所述PCB印制板每条侧边的两端。The bosses are distributed at both ends of each side of the PCB printed board.
所述发光像素为表贴型发光二极管，通过粘贴的方式固定在所述PCB印制板的发光面上，每相邻四个所述发光像素为一组，呈菱形的粘贴在所述PCB印制板的发光面上，每相邻四个所述发光像素的中间设置有一贯穿所述PCB印制板的透声孔。The illuminating pixel is a surface-mount type light-emitting diode, and is fixed on the light-emitting surface of the PCB printed board by means of bonding, and each adjacent four of the illuminating pixels is a group, and is diamond-shaped and pasted on the PCB. On the light-emitting surface of the board, a sound-permeable hole penetrating through the PCB printed board is disposed in the middle of each adjacent four of the light-emitting pixels.
所述PCB印制板发光面的背面为驱动面，在所述驱动面上通过粘贴的方 式固定能用于驱动和控制所述发光像素的驱动器件，同时通过电路印制方式设置有控制电路。The back surface of the light emitting surface of the PCB printed circuit board is a driving surface, and a driving device capable of driving and controlling the illuminating pixels is fixed on the driving surface by a pasting manner, and a control circuit is disposed through a circuit printing manner.
所述驱动面上粘贴有多个用于连接固定所述LED显示屏的磁钢座。A plurality of magnetic steel seats for connecting and fixing the LED display screen are attached to the driving surface.
本发明中的大型曲面LED屏幕模块及其安装调整方法不受控于曲面骨架，可以有效消除曲面骨架造成的精度误差，可以提高安装精度、消除累计误差。The large curved LED screen module and the installation and adjustment method thereof in the invention are not controlled by the curved surface skeleton, can effectively eliminate the precision error caused by the curved skeleton, can improve the installation precision and eliminate the accumulated error.
附图说明DRAWINGS
图1为本发明中LED屏幕模块的立体结构示意图。FIG. 1 is a schematic perspective view showing the structure of an LED screen module according to the present invention.
图2为本发明中LED屏幕模块的正视示意图。2 is a front elevational view of the LED screen module of the present invention.
图3为本发明中LED屏幕模块的侧视示意图。3 is a side elevational view of the LED screen module of the present invention.
图4为图1中A部分的放大示意图。Figure 4 is an enlarged schematic view of a portion A of Figure 1.
图5为本发明中曲面骨架的分隔示意图。Figure 5 is a schematic view showing the separation of the curved skeleton in the present invention.
图6为本发明中LED屏幕模块固定安装时的调整示意图。FIG. 6 is a schematic diagram of adjustment of the LED screen module in a fixed installation according to the present invention.
具体实施方式detailed description
下面结合附图对本发明中的具体实施方式做进一步说明。The specific embodiments of the present invention are further described below in conjunction with the accompanying drawings.
如图1和图2所示，本发明中的LED屏幕模块包括有呈方形的PCB印制板1和通过粘贴方式固定在PCB印制板1的发光面3上的多个发光像素2。所有发光像素2采用表贴型发光二极管，将表贴型发光二极管通过粘贴的方式固定在发光面3的表面，能发出红、绿、蓝、白光。As shown in FIGS. 1 and 2, the LED screen module of the present invention comprises a square PCB printed board 1 and a plurality of illuminating pixels 2 fixed to the light emitting surface 3 of the PCB printed board 1 by bonding. All of the illuminating pixels 2 are provided with surface-mount type light-emitting diodes, and the surface-mount type light-emitting diodes are fixed to the surface of the light-emitting surface 3 by sticking, and can emit red, green, blue, and white light.
如图2所示，将四个相邻的发光像素2呈菱形分布，具体是将四个发光像素交错排列，两发光像素与方形PCB印制板1的轮廓边呈45度倾斜设置，从而形成四个发光像素2为一组的菱形分布，在四个呈菱形分布的发光像素2中间形成布制贯穿PCB印制板1的圆形透声孔5的空间。As shown in FIG. 2, the four adjacent illuminating pixels 2 are distributed in a diamond shape, specifically, four illuminating pixels are staggered, and the two illuminating pixels are inclined at a 45 degree angle to the contour side of the square PCB printed board 1, thereby forming The four illuminating pixels 2 are a set of diamond-shaped distributions, and a space for circling the circular sound-permeable holes 5 of the PCB printed board 1 is formed in the middle of the four diamond-shaped illuminating pixels 2.
驱动面4位于发光面3的背面，在PCB印制板1上打孔时在驱动面4 是预留有布线区域，通过电路板的印制方法，在PCB印制板1的驱动面4上设置有控制电路，同时设置有多个驱动器件6，利用驱动器件6、控制电路对发光像素2进行驱动与控制。在驱动面4的四个角处粘贴设置有四个磁钢座7，利用四个磁钢座7可以将PCB印制板1吸附安装在曲面骨架8上。The driving surface 4 is located on the back surface of the light-emitting surface 3, and a wiring area is reserved on the driving surface 4 when the PCB printed circuit board 1 is punched, and is printed on the driving surface 4 of the PCB printed board 1 by the printing method of the circuit board. A control circuit is provided, and a plurality of driving devices 6 are provided at the same time, and the illuminating pixels 2 are driven and controlled by the driving device 6 and the control circuit. Four magnet seats 7 are attached to the four corners of the driving surface 4, and the PCB board 1 can be adsorbed and mounted on the curved frame 8 by using four magnet seats 7.
如图2和图3所示，PCB印制板1呈方形，在其四条侧边上均一体成形有厚度为3－8mm的凸台9，且在每一条侧边上形成有两个凸台9，每个凸台9靠近PCB印制板1的端角处，其中凸台9的外侧边距离PCB印制板1另一侧边的距离为5-15mm，一般为10mm，如图4所示，8个凸台9呈完全对称的分布在PCB印制板1的四条侧边上。As shown in FIG. 2 and FIG. 3, the PCB printed board 1 has a square shape, and on one of its four sides, a boss 9 having a thickness of 3-8 mm is integrally formed, and two bosses are formed on each side. 9, each boss 9 is near the end corner of the PCB printed board 1, wherein the outer side of the boss 9 is 5-15 mm away from the other side of the PCB printed board 1, generally 10 mm, as shown in FIG. As shown, the eight bosses 9 are completely symmetrically distributed on the four sides of the PCB printed board 1.
下面将本发明中的LED屏幕模块安装形成大型球面LED屏幕为例加以说明，当然并不限于此，可以适用于任意曲面的LED显示屏，在安装调整时，按以下步骤执行：The LED screen module of the present invention is installed as a large spherical LED screen as an example for description. Of course, it is not limited thereto, and can be applied to an LED display screen of any curved surface. When installing and adjusting, the following steps are performed:
首先：本发明中的LED屏幕模块安装固定在曲面骨架8上，曲面骨架8由不锈钢等金属材料搭建而成，对于曲面骨架8的详细说明在其他专利中进行，在此不再详细说明。Firstly, the LED screen module of the present invention is mounted and fixed on the curved frame 8, and the curved skeleton 8 is made of a metal material such as stainless steel. The detailed description of the curved skeleton 8 is carried out in other patents, and will not be described in detail herein.
曲面骨架8搭建完成后利用全站仪等测量仪器完成曲面骨架的水平角、垂直角、距离、高差测量等的全部测量工作。After the surface skeleton 8 is built, all the measurement work such as the horizontal angle, the vertical angle, the distance, and the height difference measurement of the curved skeleton are completed by using a measuring instrument such as a total station.
如图5所示，将大型球面LED屏幕的曲面骨架8根据经线、纬线的分布方式进行分隔，形成横向的赤道部分10、纵向左右对称的中间位置部分11，以及从横向赤道部分10和纵向左右对称的中间位置部分11的交互点12向左上，右上，左下，右下四个方向的四个区域，分别为第一区域13、第二区域14、第三区域15、第四区域16。As shown in FIG. 5, the curved skeleton 8 of the large spherical LED screen is divided according to the distribution of the warp and the weft, and the lateral equatorial portion 10, the longitudinally symmetrical intermediate position portion 11, and the lateral equator portion 10 and the longitudinal direction are formed. The intersections 12 of the symmetrical intermediate position portion 11 are four regions of the upper left, upper right, lower left, and lower right four directions, which are the first region 13, the second region 14, the third region 15, and the fourth region 16, respectively.
通过测量的数据及LED屏幕模块的尺寸计算出赤道部分10，左右对称的中间位置部分11，第一区域13、第二区域14、第三区域15、第四区域16 每一区域所需的LED屏幕模块数量。The required LEDs are calculated from the measured data and the size of the LED screen module, and the left and right symmetrical intermediate position portions 11, the first region 13, the second region 14, the third region 15, and the fourth region 16 are required for each of the LEDs. The number of screen modules.
接着是进行LED屏幕模块的铺设与安装，首先进行赤道部分10的LED屏幕模块安装，再进行左右对称的中间位置部分11的LED屏幕模块安装，再从交互点12向左上方向延伸的方式在第一区域13内进行LED屏幕模块的安装，与第一区域13内的安装方式相同，依次从交互点12开始，对第二区域14、第三区域15、第四区域16进行LED屏幕模块的安装。Next, the LED screen module is laid and installed. First, the LED screen module of the equator portion 10 is installed, and then the LED screen module of the left and right symmetrical intermediate position portion 11 is installed, and then the way from the interaction point 12 to the upper left direction is The installation of the LED screen module in an area 13 is the same as the installation in the first area 13, starting from the interaction point 12, and installing the LED screen module on the second area 14, the third area 15, and the fourth area 16 in sequence. .
在赤道部分10进行LED屏幕模块安装过程中，当LED屏幕模块安装数量到达测量计算的数值N时，对现场安装精度进行一次测量，并根据测试数值和理论数值的差异对N个LED屏幕模块进行安装精度调整，在调整过程中相邻LED屏幕模块之间的发光像素的间距为C，LED屏幕模块内部发光像素的间距为B，当C>B时，对LED屏幕模块之间的凸台9进行调整，即通过磨去凸台9或部分凸台9的厚度，如图6所示，使得相邻LED屏幕模块之间的发光像素的间距与LED屏幕模块内部发光像素的间距相同，减少因LED屏幕模块拼接形成的瓦楞感。During the installation of the LED screen module in the equator portion 10, when the number of LED screen module installations reaches the value N of the measurement calculation, the field installation accuracy is measured once, and the N LED screen modules are performed according to the difference between the test value and the theoretical value. The installation precision is adjusted. During the adjustment process, the spacing of the illuminating pixels between adjacent LED screen modules is C, the spacing of the internal illuminating pixels of the LED screen module is B, and when C>B, the spigot 9 between the LED screen modules Adjusting, that is, by grinding off the thickness of the boss 9 or part of the boss 9, as shown in FIG. 6, so that the pitch of the illuminating pixels between adjacent LED screen modules is the same as the spacing of the illuminating pixels inside the LED screen module, reducing the cause The corrugation feeling formed by the splicing of the LED screen modules.
安装完赤道部分10内LED屏幕模块后再在左右对称的中间位置部分11进行LED屏幕模块的安装，安装过程中，当LED屏幕模块安装数量到达测量计算的数值时，对安装精度进行一次测量，并根据测试数值和理论数值的差异对每个LED屏幕模块利用凸台进行安装精度调整，具体的调整方法与赤道部分10的调整相同。After installing the LED screen module in the equator portion 10, the LED screen module is installed in the left and right symmetrical intermediate position portion 11. During the installation process, when the number of LED screen module installations reaches the measured value, the installation accuracy is measured once. According to the difference between the test value and the theoretical value, the mounting precision of each LED screen module is adjusted by using the boss, and the specific adjustment method is the same as the adjustment of the equator portion 10.
最后，依次对第一区域13、第二区域14、第三区域15、第四区域16进行LED屏幕模块的安装，在每一区域内，从横向赤道部分10和纵向左右对称的中间位置部分11的交互点12开始，呈散射状向左上、右上、左下、右下四个方向进行安装固定，并利用LED屏幕模块的凸台9进行安装精度调整，如此可以将安装误差均匀分散到左上、右上、左下、右下四个区域中。Finally, the first area 13, the second area 14, the third area 15, and the fourth area 16 are sequentially mounted with LED screen modules, and in each area, from the lateral equatorial portion 10 and the longitudinally symmetrical intermediate position portion 11 The interaction point 12 starts to be fixed and fixed in the four directions of the upper left, the upper right, the lower left, and the lower right, and the mounting precision is adjusted by the boss 9 of the LED screen module, so that the installation error can be evenly distributed to the upper left and upper right. , in the lower left and lower right areas.
综上所述，本发明中的LED屏幕模块借助于四侧边缘是凸台的设置，可以在加工精度不高的情况下，避免LED屏幕模块拼接过程中形成缝隙，当遇到安装过紧的问题时，对尺寸偏大的LED屏幕模块的凸台进行加工处理，可以确保拼装精度。再结合特殊的安装方式，可以有效提高安装精度、消除累计误差。In summary, the LED screen module of the present invention can be used to avoid the formation of a gap in the splicing process of the LED screen module by means of the arrangement of the four side edges being the bosses, and the installation is too tight when the LED screen module is spliced. When the problem occurs, the boss of the LED screen module with a large size is processed to ensure the assembly accuracy. Combined with special installation methods, it can effectively improve the installation accuracy and eliminate the accumulated error.
以上仅表达了本发明的一具体实施方式，但并不能因此而理解为对本发明保护范围的限制。应当指出的是，对于本领域的一般技术人员来说，凡不脱离本发明前提下做出的改进，都应属于本发明的保护范围。The above is only one embodiment of the present invention, but it is not intended to limit the scope of the present invention. It should be noted that those skilled in the art should be able to devise modifications within the scope of the present invention.

Claims (8)

  1. 一种大型曲面LED屏幕模块的安装调整方法，包括以下步骤：A method for installing and adjusting a large curved LED screen module includes the following steps:
    1)利用全站仪完成曲面骨架的水平角、垂直角、距离、高差测量的全部测量工作；1) Complete measurement of the horizontal angle, vertical angle, distance and height difference of the curved surface skeleton by using the total station;
    2)将用于安装LED屏幕模块的曲面骨架根据经线、纬线的分布方式进行分隔，形成横向的赤道部分和纵向左右对称的中间位置部分，以及从横向赤道部分和纵向左右对称的中间位置部分的交互点向左上，右上，左下，右下四个方向的四个区域；并计算出赤道部分，左右对称的中间位置部分，及左上、右上、左下、右下四个每一区域所需的LED屏幕模块数量；2) The curved skeleton for mounting the LED screen module is divided according to the distribution pattern of the warp and the weft, forming a lateral equatorial portion and a longitudinally symmetrical intermediate position portion, and an intermediate position portion symmetrical from the lateral equatorial portion and the longitudinal direction The interaction points to the upper left, upper right, lower left, and lower right four directions; and calculate the equator portion, the left and right symmetrical intermediate position portion, and the LEDs required for each of the upper left, upper right, lower left, and lower right regions. Number of screen modules;
    3)依次在大型曲面LED屏幕的中间位置，即赤道部分和左右对称的中间位置部分安装LED屏幕模块；3) sequentially mounting LED screen modules in the middle of the large curved LED screen, that is, the equator portion and the left and right symmetrical intermediate position portions;
    赤道部分LED屏幕模块的安装过程中，当LED屏幕模块安装数量到达测量数值N时，对现场安装精度进行一次测量，并根据测试数值和理论数值的差异对N个LED屏幕模块进行安装精度调整，对N个LED屏幕模块进行安装精度调整过程中利用LED屏幕模块的凸台进行安装精度调整；During the installation process of the equatorial part LED screen module, when the installed quantity of the LED screen module reaches the measurement value N, the on-site installation accuracy is measured once, and the installation precision of the N LED screen modules is adjusted according to the difference between the test value and the theoretical value. Adjusting the mounting accuracy of the LED screen module by using the boss of the LED screen module during the installation precision adjustment process of the N LED screen modules;
    再在左右对称的中间位置部分进行LED屏幕模块安装，当LED屏幕模块安装数量到达测量值时，对现场安装精度进行一次测量，并利用LED屏幕模块的凸台根据测试数值和理论数值进行安装精度调整；Then, the LED screen module is installed in the middle and left symmetrical intermediate position portion. When the installed quantity of the LED screen module reaches the measured value, the on-site installation accuracy is measured once, and the mounting precision of the LED screen module is used according to the test value and the theoretical value. Adjustment;
    4)再从横向赤道部分和纵向左右对称的中间位置部分的交互点，向左上、右上、左下、右下四个区域依次安装曲面LED屏幕，并利用LED屏幕模块的凸台进行安装精度调整，将安装误差均匀分散到左上、右上、左下、右下四个区域中。4) From the intersection point of the lateral equator portion and the longitudinally symmetrical intermediate position portion, the curved LED screen is sequentially installed to the upper left, upper right, lower left, and lower right regions, and the mounting precision of the LED screen module is adjusted. Distribute the installation error evenly into the upper left, upper right, lower left, and lower right areas.
  2. 根据权利要求1所述的大型曲面LED屏幕模块的安装调整方法，其特征在于，步骤3)、步骤4)中，通过磨去LED屏幕模块凸台的方式进行安装精度的调整。The method for mounting and adjusting a large curved LED screen module according to claim 1, wherein in step 3) and step 4), the mounting precision is adjusted by grinding off the LED screen module boss.
  3. 根据权利要求1所述的大型曲面LED屏幕模块的安装调整方法，其特征在于，所述LED屏幕模块借助于磁钢座直接吸附固定在曲面骨架上。The method for mounting and adjusting a large-scale curved LED screen module according to claim 1, wherein the LED screen module is directly adsorbed and fixed on the curved skeleton by means of a magnetic steel seat.
  4. 一种用于上述权利要求1至3中任意一项所述方法的大型曲面LED屏幕模块，其特征在于，包括有用于固定发光像素的PCB印制板，所述PCB印制板呈方形，在所述PCB印制板的每条侧边上均一体成形有两个用于调整安装精度的凸台。A large curved LED screen module for use in the method of any one of claims 1 to 3, comprising a PCB printed board for fixing the luminescent pixels, the PCB printed board being square, Two bosses for adjusting the mounting accuracy are integrally formed on each side of the PCB printed board.
  5. 根据权利要求4所述的大型曲面LED屏幕模块，其特征在于，所述凸台分布在所述PCB印制板每条侧边的两端。The large curved LED screen module according to claim 4, wherein the projections are distributed at both ends of each side of the PCB printed board.
  6. 根据权利要求4所述的大型曲面LED屏幕模块，其特征在于，所述发光像素为表贴型发光二极管，通过粘贴的方式固定在所述PCB印制板的发光面上，每相邻四个所述发光像素为一组，呈菱形的粘贴在所述PCB印制板的发光面上，每相邻四个所述发光像素的中间设置有一贯穿所述PCB印制板的透声孔。The large-scale curved LED screen module according to claim 4, wherein the illuminating pixels are surface-mount LEDs, which are fixed on the illuminating surface of the PCB printed board by adhesive bonding, each adjacent to four The illuminating pixels are a set of diamond-shaped affixed on the illuminating surface of the PCB printed board, and a sound-permeable hole penetrating through the PCB printed board is disposed in the middle of each of the adjacent four illuminating pixels.
  7. 根据权利要求6所述的大型曲面LED屏幕模块，其特征在于，所述PCB印制板发光面的背面为驱动面，在所述驱动面上通过粘贴的方式固定能用于驱动和控制所述发光像素的驱动器件，同时通过电路印制方式设置有控制电路。The large curved LED screen module according to claim 6, wherein the back surface of the light emitting surface of the PCB printed circuit board is a driving surface, and the driving surface is fixed by a bonding method for driving and controlling the The driving device of the illuminating pixel is provided with a control circuit by means of circuit printing.
  8. 根据权利要求7所述的大型曲面LED屏幕模块，其特征在于，所述驱动面上粘贴有多个用于连接固定所述LED显示屏的磁钢座。The large-scale curved LED screen module according to claim 7, wherein a plurality of magnetic steel seats for connecting and fixing the LED display screen are attached to the driving surface.
PCT/CN2018/094597 2018-03-30 2018-07-05 Large curved led screen module and mounting and adjusting method therefor WO2019184133A1 (en)

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