CN209843142U

CN209843142U - LED display module and LED display screen

Info

Publication number: CN209843142U
Application number: CN201921000998.XU
Authority: CN
Inventors: 贺金锋; 康鹏飞
Original assignee: Shenzhen Zhouming Technology Co Ltd
Current assignee: Shenzhen Zhouming Technology Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2019-12-24
Anticipated expiration: 2029-06-28
Also published as: WO2020258770A1

Abstract

The utility model discloses a LED display module assembly and LED display screen belongs to LED display screen technical field, and this LED display module assembly includes module drain pan, module PCB board and locates module PCB board and keep away from a plurality of LED lamp pearls of module drain pan one side, offers the installation hole site that is used for fastening connection module PCB board on the module drain pan, and the installation hole site includes the mounting hole and encircles the annular hollow out construction that the mounting hole set up. This technical scheme, it can effectively avoid appearing because of the copper post that the installation hole site on the module drain pan and the copper post on the module PCB board counterpoint not just and the copper post problem of droing that causes to improve product life, reduce later maintenance's frequency and cost.

Description

LED display module and LED display screen

Technical Field

The utility model relates to a LED display screen technical field, in particular to LED display module assembly and LED display screen.

Background

Most of the existing bottom shell of the LED display screen plays a role in connecting and fixing the module by screwing, so that if the axial misalignment between the mounting hole position of the bottom shell of the module and the copper column welded on the PCB plate of the module occurs (the reason for the misalignment is that 1, because the mounting hole position of the bottom shell of the module has a certain tolerance with the PCB plate of the module, the copper column on the PCB plate of the module is inclined at a certain angle in the welding process, and all the errors are accumulated, the obvious misalignment can be caused), 2, when the bottom shell of the module expands with heat and contracts with cold, the mounting hole position of the bottom shell of the module generates a certain displacement along with the change of the size of the bottom shell of the module, because the large difference of thermal expansion coefficients exists between the PCB plate of the module and the bottom shell of the module, the mounting hole position of the bottom shell of the module and the copper column welded on the PCB plate of the module can generate a certain displacement, can produce certain stress between the two, when this stress surpassed the critical value, can lead to the copper post welding part on the relatively lower module PCB board of intensity to become invalid for the copper post on the module PCB board drops, and then leads to on the LED display screen can't effectively be fixed in the box, seriously influences display effect.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a LED display module assembly and LED display screen aims at solving current LED display module assembly and appears easily because of the technical problem that the copper post that the installation hole site on the module drain pan and the module PCB board caused the copper post counterpoint just drops.

In order to solve the technical problem, the utility model provides a LED display module assembly, include module drain pan, module PCB board and locate module PCB board is kept away from a plurality of LED lamp pearls of module drain pan one side, offer on the module drain pan and be used for the fastening connection the installation hole site of module PCB board, just the installation hole site includes the mounting hole and encircles the annular hollow out construction that the mounting hole set up.

Optionally, the mounting hole is a circular hole structure.

Optionally, the mounting hole site still includes a plurality of first arc holes that encircle the mounting hole sets up, and is a plurality of first arc holes are along same circumference evenly distributed at equal intervals to form through a plurality of first arc holes annular hollow out construction.

Optionally, the arc length corresponding to each of the first arc-shaped holes is equal.

Optionally, the mounting holes further include a plurality of second arc-shaped holes arranged around the mounting holes, and the plurality of second arc-shaped holes are uniformly distributed along the same circumference at equal intervals; the arc radius corresponding to each second arc-shaped hole is larger than that corresponding to each first arc-shaped hole, so that the annular hollow structure is formed by the plurality of first arc-shaped holes and the plurality of second arc-shaped holes together.

Optionally, the plurality of first arc-shaped holes and the plurality of second arc-shaped holes are arranged in a staggered manner along the radial direction of the mounting hole.

Optionally, the mounting hole locations include four first arc-shaped holes and four second arc-shaped holes, so that the annular hollow structure is formed by the four first arc-shaped holes and the four second arc-shaped holes.

Optionally, a copper column is fixedly arranged on the module PCB, a connecting hole is formed in one end, far away from the module PCB, of the copper column, and a connecting piece penetrates through the mounting hole and then is connected with the connecting hole of the copper column in a matched mode, so that the module PCB is fixedly connected with the module bottom shell.

Optionally, a receiving groove is formed in one side of the mounting hole, which is connected with the copper column, so as to correspondingly receive one end, which is far away from the module PCB, of the copper column.

Furthermore, for solving the technical problem, the utility model also provides a LED display screen, the LED display screen includes a plurality of foretell LED display module assembly, and is a plurality of LED display module assembly is matrix regular distribution.

The utility model provides a LED display module assembly and LED display screen offers the installation hole site that is used for fastening the module PCB board on its LED display module assembly's the module drain pan, and the installation hole site includes the mounting hole and encircles the annular hollow out construction that the mounting hole set up. So, because annular hollow out construction has the elasticity of 360 degrees directions, when it encircles the mounting hole and sets up, accessible self warp the external force or the size deformation that the reply comes from arbitrary direction, adapts to multiple complex environment, and the stress restriction that will probably produce guarantees that the copper post can not drop within certain scope, and then guarantees the good display effect of LED display screen. Therefore, according to the technical scheme, the problem that the copper columns fall off due to the fact that the installation hole positions in the bottom shell of the module and the copper columns in the PCB of the module are not aligned correctly can be effectively solved, the service life of a product is prolonged, and the frequency and the cost of later maintenance are reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic view of a split structure of a preferred embodiment of the LED display module of the present invention.

Fig. 2 is a partially enlarged schematic view of a connection portion of the LED display module shown in fig. 1.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is said to "snap" to another element, it can snap directly to the other element, or one or more intervening elements may be present therebetween. The terms "upper", "lower", "left", "right", "front", "rear", and the like as used herein are for illustrative purposes only.

As shown in fig. 1 and fig. 2, this embodiment provides an LED display screen, this LED display screen includes a plurality of LED display module assemblies 1 that are matrix regular distribution, LED display module assembly 1 includes module drain pan 100, module PCB panel 200 and locates module PCB panel 200 and keep away from a plurality of LED lamp pearls 300 of module drain pan 100 one side, set up the installation hole site 110 that is used for fastening connection module PCB panel 200 on the module drain pan 100, and installation hole site 110 includes mounting hole 111 and encircles the annular hollow out construction that mounting hole 111 set up.

In the present embodiment, as shown in fig. 2, the mounting hole 111 is preferably a circular hole structure. The mounting hole site 110 further includes a plurality of first arc-shaped holes 112 surrounding the mounting hole 111, and the plurality of first arc-shaped holes 112 are uniformly distributed along the same circumference at equal intervals, and at this time, the annular hollow structure can be formed through the plurality of first arc-shaped holes 112. Because annular hollow out construction has the elasticity of 360 degrees directions, when it encircles mounting hole 111 and sets up, accessible self warp the external force or the size deformation that the reply comes from arbitrary direction, adapts to multiple complex environment, and the stress restriction that will probably produce guarantees that the copper post can not drop within certain scope, and then guarantees the good display effect of LED display screen. To ensure the stability of the whole structure, the arc length of each first arc-shaped hole 112 is equal. In order to enhance the elastic strain capacity of the whole annular hollow structure, the mounting hole site 110 in this embodiment further includes a plurality of second arc-shaped holes 113 arranged around the mounting hole 111, and the plurality of second arc-shaped holes 113 are uniformly distributed along the same circumference at equal intervals. The arc radius corresponding to each second arc-shaped hole 113 is larger than the arc radius corresponding to each first arc-shaped hole 112, so that an annular hollow structure is formed by the first arc-shaped holes 112 and the second arc-shaped holes 113. The arc length of each second arc-shaped hole 113 is equal. The first arc holes 112 and the second arc holes 113 are arranged along the radial direction of the mounting hole 111 in a staggered manner. Through these settings, all can effectively strengthen whole annular hollow out construction's elastic strain ability. Preferably, the mounting hole site 110 in this embodiment includes four first arc-shaped holes 112 and four second arc-shaped holes 113, so as to form an annular hollow structure through the four first arc-shaped holes 112 and the four second arc-shaped holes 113, at this time, an optimal strain effect can be achieved, which not only ensures stability of the overall structure, but also enables elastic strain capacity of the entire annular hollow structure to achieve an optimal effect.

In addition, as shown in fig. 1 and 2, the module PCB 200 is fixedly provided with a copper pillar 210, one end of the copper pillar 210 away from the module PCB 200 is provided with a connection hole 211, and the connection member 212 passes through the mounting hole 111 and then is connected with the connection hole 211 of the copper pillar 210 in a matching manner, so that the module PCB 200 is fixedly connected with the module bottom case 100. The mating connection is preferably a threaded mating connection, i.e., the connection hole 211 is preferably a threaded connection hole and the connection member 212 is preferably a screw. The mounting hole 111 is connected to the copper pillar 210 and has a receiving groove 114 formed on one side thereof to correspondingly receive an end of the copper pillar 210 away from the module PCB 200, so that the fastening connection between the mounting hole 311 and the copper pillar 210 can be more secure.

The embodiment of the utility model provides a LED display module assembly and LED display screen, set up the installation hole site that is used for fastening the module PCB board of connecting on its LED display module assembly's the module drain pan, and the installation hole site includes the mounting hole and encircles the annular hollow out construction that the mounting hole set up. So, because annular hollow out construction has the elasticity of 360 degrees directions, when it encircles the mounting hole and sets up, accessible self warp the external force or the size deformation that the reply comes from arbitrary direction, adapts to multiple complex environment, and the stress restriction that will probably produce guarantees that the copper post can not drop within certain scope, and then guarantees the good display effect of LED display screen. Therefore, according to the technical scheme, the problem that the copper columns fall off due to the fact that the installation hole positions in the bottom shell of the module and the copper columns in the PCB of the module are not aligned correctly can be effectively solved, the service life of a product is prolonged, and the frequency and the cost of later maintenance are reduced.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. The utility model provides a LED display module assembly, includes module drain pan, module PCB board and locates the module PCB board is kept away from a plurality of LED lamp pearls of module drain pan one side, its characterized in that, offer on the module drain pan and be used for the fastening connection the installation hole site of module PCB board, just the installation hole site includes the mounting hole and encircles the annular hollow out construction that the mounting hole set up.

2. The LED display module of claim 1, wherein the mounting hole is a circular hole.

3. The LED display module of claim 2, wherein the mounting holes further comprise a plurality of first arc-shaped holes surrounding the mounting holes, and the first arc-shaped holes are uniformly distributed along the same circumference at equal intervals so as to form the annular hollow structure through the first arc-shaped holes.

4. The LED display module of claim 3, wherein the arc length of each of the first arc-shaped holes is equal.

5. The LED display module of claim 3, wherein the mounting holes further comprise a plurality of second arc-shaped holes disposed around the mounting holes, and the plurality of second arc-shaped holes are evenly distributed along the same circumference at equal intervals; the arc radius corresponding to each second arc-shaped hole is larger than that corresponding to each first arc-shaped hole, so that the annular hollow structure is formed by the plurality of first arc-shaped holes and the plurality of second arc-shaped holes together.

6. The LED display module of claim 5, wherein the first and second holes are radially offset from each other.

7. The LED display module according to claim 6, wherein the mounting holes comprise four first arc-shaped holes and four second arc-shaped holes, so that the annular hollow structure is formed by the four first arc-shaped holes and the four second arc-shaped holes.

8. The LED display module according to any one of claims 1-7, wherein the module PCB board is fixedly provided with a copper pillar, one end of the copper pillar, which is far away from the module PCB board, is provided with a connecting hole, and a connecting member passes through the mounting hole and then is in fit connection with the connecting hole of the copper pillar, so that the module PCB board is fixedly connected with the module bottom case.

9. The LED display module of claim 8, wherein a receiving groove is formed on a side of the mounting hole that is connected to the copper pillar to correspondingly receive an end of the copper pillar away from the module PCB.

10. An LED display screen, characterized in that, the LED display screen comprises a plurality of LED display modules according to any one of claims 1-9, and the plurality of LED display modules are regularly distributed in a matrix.