CN216353124U

CN216353124U - LED display module

Info

Publication number: CN216353124U
Application number: CN202122499519.7U
Authority: CN
Inventors: 陶宇航; 余刚; 田守进; 万庚; 莫亚平
Original assignee: Shenzhen Lamp Technology Co ltd
Current assignee: Shenzhen Lamp Technology Co ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-04-19
Anticipated expiration: 2031-10-15

Abstract

The utility model provides a LED display module assembly, includes the drain pan of PCB lamp plate and cooperation installation PCB lamp plate, and the drain pan is the metal drain pan. According to the LED display module, the PCB lamp panel and the bottom shell are installed together in a matched mode, the bottom shell is arranged to be the metal bottom shell, the metal bottom shell is good in heat conductivity and heat dissipation effect, a large amount of heat is not easy to gather when the LED display module is used for a long time, components inside the LED display module cannot be damaged, and therefore the service life of the LED display module is prolonged; and the expansion coefficient of the metal bottom shell is low, so that the metal bottom shell cannot deform during long-term use, and the stability of the product structure is facilitated.

Description

LED display module

Technical Field

The utility model relates to the technical field of LED display screens, in particular to an LED display module.

Background

The LED display module is a main component forming an LED display screen, is used for displaying various information such as characters, images, videos, video signals and the like, and mainly comprises a PCB lamp panel and a plastic bottom shell. The PCB lamp plate can produce a large amount of heats at work, and the heat that the PCB lamp plate produced distributes away after air conduction to plastics drain pan between PCB lamp plate and the plastics drain pan.

However, the plastic bottom shell in the prior art has poor thermal conductivity and poor heat dissipation effect, and is easy to gather a large amount of heat when being used for a long time, so that components inside the LED display module are damaged; and the expansion coefficient of the plastic bottom shell is high, and when the plastic bottom shell is used for a long time and the temperature reaches a certain peak value, the plastic bottom shell can deform to a certain extent, so that the stability of the product structure is not facilitated.

Therefore, an LED display module with good heat dissipation effect and stable structure is urgently needed to be developed to meet the use requirements of people.

SUMMERY OF THE UTILITY MODEL

The utility model aims to avoid the defects in the prior art and provides the LED display module with good heat dissipation effect and stable structure.

The aim of the utility model is achieved by the following technical measures:

the LED display module comprises a PCB lamp panel and a bottom shell installed in a matched mode, wherein the bottom shell is a metal bottom shell.

Preferably, the bottom shell is a die-cast magnesium alloy bottom shell.

Preferably, the inboard of above-mentioned PCB lamp plate is provided with the chip, the drain pan with be provided with heat conduction silica gel between the PCB lamp plate, heat conduction silica gel both sides paste tightly respectively the inboard of drain pan with the chip.

Preferably, the outer side of the bottom shell is provided with a plurality of heat dissipation ribs.

Preferably, the rib is in the shape of a strip.

Preferably, the convex ribs are arranged in parallel at even intervals, the bottom shell is vertically installed, and the convex ribs are arranged obliquely.

Preferably, the ribs are divided into a left group and a right group by taking the vertical central line of the bottom shell as a boundary, and each group of the ribs is obliquely arranged from the edge to the vertical central line.

Preferably, the ribs are angled at 30 degrees from horizontal.

Preferably, a handle and a plurality of mounting iron sheets are arranged on the outer side of the bottom shell.

Preferably, the bottom shell is provided with a mounting hole for internal wiring, and the LED display module is further provided with a dust cover for sealing the mounting hole in a matched manner.

Compared with the prior art, the utility model has the following advantages: according to the LED display module, the PCB lamp panel and the bottom shell are installed together in a matched mode, the bottom shell is arranged to be the metal bottom shell, the metal bottom shell is good in heat conductivity and heat dissipation effect, a large amount of heat is not easy to gather when the LED display module is used for a long time, components inside the LED display module cannot be damaged, and therefore the service life of the LED display module is prolonged; and the expansion coefficient of the metal bottom shell is low, so that the metal bottom shell cannot deform during long-term use, and the stability of the product structure is facilitated.

Therefore, the LED display module has good heat dissipation effect and stable structure.

Drawings

The utility model is further illustrated by means of the attached drawings, the examples of which are not to be construed as limiting the utility model in any way.

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

FIG. 2 is an exploded view of an LED display module according to the present invention;

fig. 3 is a schematic cross-sectional structure diagram of an LED display module according to the present invention.

Detailed Description

The utility model will be further described with reference to the following examples and the accompanying drawings:

the utility model provides a LED display module assembly, as shown in fig. 1 to 3, includes PCB lamp plate 10 and cooperation installation PCB lamp plate 10's drain pan 20, drain pan 20 is metal drain pan 20.

According to the LED display module, the PCB lamp panel 10 and the bottom shell 20 are installed together in a matched mode, the bottom shell 20 is set to be the metal bottom shell 20, the metal bottom shell 20 is good in heat conductivity and heat dissipation effect, a large amount of heat is not easy to gather when the LED display module is used for a long time, components inside the LED display module cannot be damaged, and therefore the service life of the LED display module can be prolonged; and the expansion coefficient of the metal bottom shell 20 is low, so that the metal bottom shell 20 cannot deform in long-term use, and the stability of the product structure is facilitated. The LED display module has the advantages of good heat dissipation effect and stable structure.

Preferably, the bottom case 20 is a die-cast magnesium alloy bottom case 20. The bottom shell 20 is a die-cast magnesium alloy bottom shell 20, and has the advantages of light weight, strong rigidity, high hardness, environment-friendly material and magnetic wave interference resistance.

Preferably, as shown in fig. 2 and 3, a chip 11 is disposed on an inner side of the PCB lamp panel 10, a heat conductive silica gel 40 is disposed between the bottom shell 20 and the PCB lamp panel 10, and two sides of the heat conductive silica gel 40 respectively attach to the inner side of the bottom shell 20 and the chip 11. The heat-conducting silica gel 40 is arranged between the bottom shell 20 and the PCB lamp panel 10, so that the shock absorption effect can be achieved; compared with the prior art that heat is transferred through air, the heat conduction efficiency can be improved through heat conduction of the heat conducting silica gel 40, and heat dissipation of the chip 11 is facilitated.

Preferably, as shown in fig. 1 and 2, a plurality of heat dissipating ribs 21 are disposed on an outer side of the bottom case 20. The heat dissipation ribs 21 are disposed on the outer side of the bottom casing 20, so that the heat dissipation area of the bottom casing 20 can be increased, the heat exchange efficiency is high, the heat dissipation efficiency can be improved, the heat dissipation is fast, and the heat dissipation effect is good.

Preferably, as shown in fig. 1 and 2, the rib 21 has a long strip shape. The strip-shaped sheet-shaped convex ribs 21 are convenient to arrange, and the areas of the two side surfaces are large, thereby being beneficial to heat dissipation.

Preferably, as shown in fig. 1 and 2, the ribs 21 are arranged in parallel and at regular intervals, the bottom case 20 is vertically installed, and the ribs 21 are arranged obliquely. The ribs 21 are arranged in parallel and evenly at intervals, so that the alternation of air convection and cold heat is facilitated, and heat dissipation is further facilitated. The convex rib 21 is arranged obliquely upwards, and the cold air descends due to the rising of the air convection hot air, and the hot air convection is changed from up to down to be obliquely upwards and downwards, so that the contact area between the hot air and the convex rib 21 during the air convection can be increased, and a better heat dissipation effect is achieved.

Preferably, as shown in fig. 1 and 2, the ribs 21 are divided into two groups, i.e., a left group and a right group, by taking the vertical central line of the bottom case 20 as a boundary, and each group of ribs 21 is disposed obliquely upward from the edge to the vertical central line. The convex ribs 21 are divided into a left group and a right group, so that heat can be uniformly radiated from two sides, the heat radiation is more uniform, and the heat radiation effect is better.

Preferably, as shown in fig. 1 and 2, the ribs 21 are at an angle of 30 degrees to the horizontal. The convex ribs 21 are arranged to form an angle of 30 degrees with the horizontal plane, and the angle of the path of the hot air ascending obliquely upwards for convection heat dissipation is just right, so that a better heat dissipation effect can be achieved.

Preferably, as shown in fig. 1 and 2, a handle 50 and a plurality of mounting iron pieces 60 are provided at the outside of the bottom case 20. After the LED display module is detached, the LED display module can be lifted and transferred through the handle 50, and the LED display module is convenient to use. The iron sheet 60 can be matched with a magnet of the installation wall, the iron sheet 60 is adsorbed on the corresponding magnet, the LED display module is fixed on the installation wall, and the installation and the disassembly are very convenient and fast.

Preferably, as shown in fig. 1 and 2, the bottom chassis 20 is provided with mounting holes (not shown) for internal wiring, and the LED display module is further provided with a dust cover 70 for sealing the mounting holes (not shown). The mounting holes (not shown) of the bottom housing 20 are used for internal wiring, and after the wiring is completed, the dust cover 70 is covered on the mounting holes (not shown) to seal the mounting holes (not shown).

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The LED display module is characterized by comprising a PCB lamp panel and a bottom shell which is installed in a matched mode, wherein the bottom shell is a metal bottom shell.

2. The LED display module of claim 1, wherein: the bottom shell is a die-casting magnesium alloy bottom shell.

3. The LED display module of claim 2, wherein: the inboard of PCB lamp plate is provided with the chip, the drain pan with be provided with heat conduction silica gel between the PCB lamp plate, heat conduction silica gel both sides paste tightly respectively the inboard of drain pan with the chip.

4. The LED display module of claim 3, wherein: the outer side of the bottom shell is provided with a plurality of radiating convex ribs.

5. The LED display module of claim 4, wherein: the convex ribs are in strip-shaped sheet shapes.

6. The LED display module of claim 5, wherein: the convex ribs are arranged in parallel at even intervals, the bottom shell is vertically installed, and the convex ribs are arranged obliquely.

7. The LED display module of claim 6, wherein: the convex ribs are divided into a left group and a right group by taking the vertical central line of the bottom shell as a boundary, and each group of convex ribs is obliquely arranged from the edge to the vertical central line.

8. The LED display module of claim 7, wherein: the convex ribs and the horizontal plane form an angle of 30 degrees.

9. The LED display module of any of claims 1 to 8, wherein: and a handle and a plurality of mounting iron sheets are arranged on the outer side of the bottom shell.

10. The LED display module of claim 9, wherein: the bottom shell is provided with a mounting hole for internal wiring, and the LED display module is further provided with a dust cover for sealing the mounting hole in a matched mode.