CN112837630A

CN112837630A - LED module and LED display screen

Info

Publication number: CN112837630A
Application number: CN202110241702.9A
Authority: CN
Inventors: 张现峰; 张永军; 李国强; 高志强; 刘光锋
Original assignee: Shenzhen Gloshine Technology Co Ltd
Current assignee: Shenzhen Gloshine Technology Co Ltd
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2021-05-25

Abstract

The invention belongs to the technical field of display screens, and particularly relates to an LED module and an LED display screen. The LED module comprises a bottom shell, an LED lamp panel and a plurality of connecting components for connecting the bottom shell and the LED lamp panel; coupling assembling includes copper post, first bolster and connecting piece, and the LED lamp plate is connected to the first end of copper post, and the second end of copper post stretches into first bolster, and the connecting piece is connected between the second end of drain pan and copper post, and first bolster setting is between drain pan and LED lamp plate, keeping away from of first bolster the one end butt drain pan of LED lamp plate. According to the LED lamp panel and the bottom shell, after the LED lamp panel is assembled with the bottom shell, the first buffer piece is located in the gap between the copper column and the bottom shell, so that the buffer effect on the tensile force applied to the copper column is achieved, the copper column is prevented from being separated from the LED lamp panel, the copper column is well protected, the firmness and the reliability of the copper column are improved, and the copper column is not easy to fall off.

Description

LED module and LED display screen

Technical Field

The invention belongs to the technical field of display screens, and particularly relates to an LED module and an LED display screen.

Background

The LED module is one of the important components of the LED display screen, and the existing LED module has the following problems:

(1) paster copper column simple process, the surface contact of paster copper column and copper column pad, the soldering tin welding can only be carried out at the circumference of the cylinder of copper column during soldering tin, leads to paster copper column fastness not strong, and considers the temperature problem, and paster copper column soldering tin difficulty and extravagant tin.

(2) Because the paster copper post can appear highly uneven after paster soldering tin, the LED lamp plate contacts the drain pan during the equipment, and paster copper post needs remain the clearance with the drain pan to ensure not to influence the plane degree of LED module, nevertheless do not consider the long-term pulling force of equipment back screw to paster copper post and can weaken the fastness of paster copper post, and lead to the paster copper post to drop easily, the pulling force and the torsion ratio of screw are bigger.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: to the problem that paster copper post fastness is not strong, easily drops among the LED module of prior art, provide an LED module and LED display screen.

In order to solve the technical problem, on one hand, the invention provides an LED module, which comprises a bottom shell, an LED lamp panel and a plurality of connecting assemblies for connecting the bottom shell and the LED lamp panel;

coupling assembling includes copper post, first bolster and connecting piece, the first end of copper post is connected the LED lamp plate, the second end of copper post stretches into in the first bolster, the connecting piece is connected the drain pan with between the second end of copper post, first bolster sets up the drain pan with between the LED lamp plate, keeping away from of first bolster the one end butt of LED lamp plate the drain pan.

Optionally, the copper cylinder includes a first cylinder, a second cylinder, a third cylinder and a fourth cylinder that are connected in proper order by first end to second end, be equipped with a plurality of welding holes that distribute along its circumference on the second cylinder.

Optionally, the diameters of the first cylinder, the second cylinder, the third cylinder and the fourth cylinder are all different; the axial lengths of the first cylinder, the second cylinder, the third cylinder and the fourth cylinder are different.

Optionally, be provided with first locating hole on the LED lamp plate, first cylinder is located in the first locating hole.

Optionally, coupling assembling still includes fixed connection and is in copper post pad on the LED lamp plate, copper post pad is located the second cylinder with between the LED lamp plate, be provided with the second locating hole on the copper post pad, first cylinder passes the second locating hole.

Optionally, a plurality of laser holes are arranged on the copper pillar bonding pad.

Optionally, a first channel, a second channel and a third channel which are communicated with each other are axially arranged in the first buffer member, the third cylinder is located in the first channel, and the fourth cylinder is located in the second channel.

Optionally, the second end of the copper pillar is provided with a blind hole for connecting the connecting piece.

Optionally, the LED module further includes a second buffer member, and the second buffer member is disposed between the connecting member and the bottom case.

In another aspect, the present invention provides an LED display screen, including the LED module as described above.

According to the LED lamp panel, the joint of the second end of the copper column and the connecting piece is located in the first buffer piece, after the LED lamp panel is assembled with the bottom shell, the first buffer piece is located in a gap between the copper column and the bottom shell, the tensile force applied to the copper column is buffered, the copper column is prevented from being separated from the LED lamp panel, the copper column is well protected, firmness and reliability of the copper column are improved, and the copper column is not easy to fall off.

The copper column has small volume, can be heated quickly during soldering, ensures that the copper column has high temperature, is easy to be tinned, has small tin consumption and is environment-friendly.

Drawings

Fig. 1 is a schematic structural diagram of an LED module according to an embodiment of the present invention;

FIG. 2 is a schematic sectional view taken along the line A-A in FIG. 1;

fig. 3 is an enlarged schematic structural view of a connecting assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a copper pillar according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a first buffer according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a copper pillar pad according to an embodiment of the present invention.

The reference numerals in the specification are as follows:

1. a bottom case; 2. an LED lamp panel; 3. a connecting assembly; 4. a copper pillar; 41. a first column; 42. a second cylinder; 43. a third column; 44. a fourth cylinder; 45. blind holes; 46. welding holes; 5. a first buffer member; 51. a first channel; 52. a second channel; 53. a third channel; 6. a connecting member; 7. a copper pillar pad; 71. a second positioning hole; 72. laser perforation; 8. a second buffer.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 to 6, an embodiment of the present invention provides an LED module, which includes a bottom shell 1, an LED lamp panel 2, and a plurality of connecting assemblies 3 connecting the bottom shell 1 and the LED lamp panel 2. A plurality of LED lamp beads used for emitting light are installed on the LED lamp panel 2, the connecting assembly 3 is located between the LED lamp panel 2 and the bottom shell 1, and the LED lamp panel 2 is firmly connected with the bottom shell 1.

Coupling assembling 3 includes copper post 4, first bolster 5 and connecting piece 6, the first end of copper post 4 is connected LED lamp plate 2, the second end of copper post 4 stretches into in the first bolster 5, connecting piece 6 is connected drain pan 1 with between the second end of copper post 4, first bolster 5 sets up drain pan 1 with between the LED lamp plate 2, keeping away from of first bolster 5 the one end butt of LED lamp plate 2 drain pan 1.

In the invention, the joint of the second end of the copper column 4 and the connecting piece 6 is positioned in the first buffer piece 5, after the LED lamp panel 2 is assembled with the bottom shell 1, the first buffer piece 5 is positioned in the gap between the copper column 4 and the bottom shell 1, so that the tensile force applied to the copper column 4 is buffered, the copper column 4 is prevented from being separated from the LED lamp panel 2, the copper column 4 is well protected, the firmness and reliability of the copper column 4 are improved, and the copper column 4 is ensured not to fall off easily.

The copper column 4 has small volume, can quickly reach high temperature during soldering, ensures that the copper column 4 has high temperature, is easy to be tinned, has small tin consumption and is environment-friendly.

In one embodiment, as shown in fig. 4, the second end of the copper pillar 4 is provided with a blind hole 45 for connecting the connecting member 6. Preferably, the inner wall of the blind hole 45 is provided with threads, and the blind hole 45 is in threaded connection with the connecting piece 6.

In one embodiment, the connecting member 6 may be, but is not limited to, a screw or a bolt.

As shown in fig. 4, in an embodiment, along a direction from a first end to a second end of the copper pillar 4, the copper pillar 4 includes a first pillar 41, a second pillar 42, a third pillar 43, and a fourth pillar 44 connected in sequence, the second pillar 42 is provided with a plurality of welding holes 46 distributed along a circumference thereof, and the welding holes 46 penetrate the second pillar 42 along an axial direction of the second pillar 42.

In one embodiment, the diameters of the first, second, third and

fourth cylinders

41, 42, 43, 44 are different, and the axial lengths of the first, second, third and

fourth cylinders

41, 42, 43, 44 are different. The diameter of the first cylinder 41 is the smallest, the diameter of the second cylinder 42 is the largest, the diameter of the fourth cylinder 44 is larger than the diameter of the third cylinder 43, and the central axes of the first cylinder 41, the second cylinder 42, the third cylinder 43 and the fourth cylinder 44 are on the same straight line.

The number of the solder holes 46 may be determined according to the size of the second pillar 42 and the requirement of the connection strength between the copper pillar 4 and the copper pillar pad 7, in an embodiment, four solder holes 46 are provided, and four solder holes 46 are provided on the second pillar 42 at equal intervals.

As shown in fig. 3, in an embodiment, a first positioning hole is formed in the LED lamp panel 2, the first column 41 is located in the first positioning hole, and the position of the connecting assembly 3 is accurately located through connection between the first column 41 and the first positioning hole, so that the copper column 4 can be prevented from deviating in the using process.

As shown in fig. 3 and 6, in an embodiment, the connection assembly 3 further includes a copper pillar pad 7 fixedly connected to the LED lamp panel 2, the copper pillar pad 7 is located between the second cylinder 42 and the LED lamp panel 2, a second positioning hole 71 is provided on the copper pillar pad 7, the first cylinder 41 passes through the second positioning hole 71 and then extends into the first positioning hole, and preferably, the second positioning hole 71 is located at the center of the copper pillar pad 7.

During the equipment LED module, copper post pad 7 fixed connection will on the LED lamp plate 2, will through the soldering copper post 4 welding is in on the copper post pad 7 copper post 4 the circumference of second cylinder 42 with carry out soldering tin in the welding hole 46, lead to the welding of tin and circumference tin in the middle of having formed, increased copper post 4 with welded fastness has ensured between the copper post pad 7 fastness, reliability of copper post 4.

In an embodiment, a plurality of laser holes 72 are disposed on the copper pillar bonding pad 7, so as to facilitate heat dissipation between the copper pillar 4 and the LED lamp panel 2.

As shown in fig. 5, in an embodiment, a first channel 51, a second channel 52, and a third channel 53 that are mutually communicated are axially disposed inside the first buffer 5, and when the second end of the copper pillar 4 extends into the first buffer 5, the third pillar 43 is located in the first channel 51, and the fourth pillar 44 is located in the second channel 52. The diameter of the fourth pillar 44 is larger than that of the third pillar 43, and correspondingly, the diameter of the second channel 52 is larger than that of the first channel 51, so that the second end of the copper pillar 4 is well limited in the first buffer 5 and is not easy to be separated.

First bolster 5 selection has elastic material to make, preferably, in this embodiment, first bolster 5 is the buffering cushion, LED lamp plate 2 with drain pan 1 back of assembling together, the fourth cylinder 44 of copper post 4 with part between the drain pan 1 first bolster 5 is extrudeed, can cushion the long-term pulling force that copper post 4 received.

As shown in fig. 3, in an embodiment, the LED module further includes a second buffer 8, where the second buffer 8 is made of a material having elasticity, preferably, the second buffer 8 is a screw rubber pad and is assembled with the connecting element 6, and the second buffer 8 is disposed between the connecting element 6 and the bottom case 1 and can buffer a tensile force and a torsion force applied to the connecting element 6.

During assembly, the second end of the copper column 4 is inserted into the first buffer piece 5, the first cylinder 41 of the copper column is positioned and inserted into the first positioning hole of the LED lamp panel 2, then the bottom shell is covered, a counter bore is formed in the bottom shell, a connecting piece (such as a screw) is arranged in the counter bore, the connecting piece penetrates through the third channel of the bottom shell and the first buffer piece 5 and extends into the blind hole 45 of the copper column 4, and the LED module is assembled after the connecting piece 6 is screwed down.

In another aspect, an embodiment of the invention provides an LED display screen, which includes the LED module as described above.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. An LED module is characterized by comprising a bottom shell, an LED lamp panel and a plurality of connecting components for connecting the bottom shell and the LED lamp panel;

2. The LED module of claim 1, wherein the copper pillar comprises a first pillar, a second pillar, a third pillar, and a fourth pillar sequentially connected from a first end to a second end, the second pillar having a plurality of solder holes distributed along a circumference thereof.

3. The LED module of claim 2, wherein the first, second, third and fourth posts have different diameters;

the axial lengths of the first cylinder, the second cylinder, the third cylinder and the fourth cylinder are different.

4. The LED module of claim 2, wherein a first positioning hole is provided on the LED lamp panel, and the first post is located in the first positioning hole.

5. The LED module of claim 2, wherein the connection assembly further comprises a copper pillar pad fixedly connected to the LED lamp panel, the copper pillar pad is located between the second post and the LED lamp panel, a second positioning hole is formed in the copper pillar pad, and the first post penetrates through the second positioning hole.

6. The LED module of claim 5, wherein a plurality of laser holes are disposed on the copper pillar pads.

7. The LED module as set forth in claim 2, wherein the first buffer member has a first channel, a second channel and a third channel axially disposed therein, the third post is disposed in the first channel, and the fourth post is disposed in the second channel.

8. The LED module of claim 1, wherein the second end of the copper post is provided with a blind hole for connecting the connector.

9. The LED module of claim 1, further comprising a second buffer disposed between the connecting member and the bottom housing.

10. An LED display screen, comprising the LED module of any one of claims 1 to 9.