WO2022022275A1

WO2022022275A1 - Bottom housing, display module, and led display screen case body

Info

Publication number: WO2022022275A1
Application number: PCT/CN2021/106018
Authority: WO
Inventors: 杨宏泽; 陈发龙; 杨贶
Original assignee: 深圳市洲明科技股份有限公司
Priority date: 2020-07-27
Filing date: 2021-07-13
Publication date: 2022-02-03
Also published as: CN212966882U

Abstract

A bottom housing, a display module, and an LED display screen case body. The bottom housing is used for mounting a lamp board (3) and an adapter board (4), and comprises: a main body (1), a first accommodation recess (13) for accommodating the lamp board (3) being provided at one side of the main body (1), and a second accommodation recess (14) for accommodating the adapter board (4) being provided at the other opposite side of the main body (1); and a cover body (2), the cover body (2) being detachably connected to the main body (1), and the cover body (2) covering the second accommodation recess (14). The lamp board (3) is electrically connected to the adapter board (4), and the lamp board (3) and the adapter board (4) are detachably connected to the main body (1), separately. The bottom housing is convenient to assemble and detach, thereby facilitating later maintenance and overhaul; during repair, it is only necessary to replace corresponding parts without replacing all of the bottom housing, thereby reducing the cost of later maintenance of the display screen.

Description

A bottom case, a display module and an LED display box

technical field

The present application relates to the field of LED display technology, and in particular, to a bottom case, a display module and an LED display screen case.

Background technique

In the prior art, the bottom case of the LED display screen is usually designed as a whole and made of a single material, such as plastic or metal, and the bottom case is integrally encapsulated with glue to improve the waterproof performance of the LED display screen. Due to the integrated structure of the existing LED display bottom case, it is inconvenient to disassemble and repair. The light board and the PCB adapter board are usually connected by copper posts, and the strength of the welding place is weak. When the LED display is subjected to strong vibration, the welding place is prone to appear. The phenomenon of falling off, the bottom case cannot be flexibly disassembled after failure, and the fault location cannot be repaired in time. After some components of the bottom case fail, the entire bottom case needs to be replaced, resulting in unnecessary waste. Therefore, a bottom case that can be flexibly assembled and disassembled is required. The shell is convenient for maintenance and replacement of damaged parts after the LED display fails.

technical problem

The technical problem to be solved by the present application is to provide a bottom case, a display module and a display screen case that can be flexibly assembled.

technical solutions

In order to solve the above-mentioned technical problems, the first technical solution adopted in this application is: a bottom case for installing a lamp board and an adapter board, including,

a main body, one side of the main body is provided with a first accommodating groove for accommodating the lamp board, and the opposite side of the main body is provided with a second accommodating groove for accommodating the adapter board;

The cover body is detachably connected to the main body, and the cover body covers the second accommodating groove.

In one of the embodiments, the cover body is made of metal material.

In one embodiment, a protruding portion is provided on one side of the cover body close to the second accommodating groove.

In one embodiment, a plurality of heat dissipation ribs are provided on a side of the cover away from the second accommodating groove.

In one embodiment, the main body is provided with a frame body, and the frame body encloses the second accommodating groove.

In order to solve the above-mentioned technical problems, the second technical solution adopted in this application is: a display module, comprising:

a light board, one side of the light board is provided with a plurality of LED lamp beads;

an adapter board, the adapter board is electrically connected with the lamp board;

A bottom case, the bottom case includes a main body and a cover, one side of the main body is provided with a first accommodating groove for accommodating the lamp board, and the opposite side of the main body is provided with a first accommodating groove for accommodating the adapter plate Two accommodating grooves, the cover body is detachably connected to the main body, and the cover body covers the second accommodating groove.

In one embodiment, the light board, the main body and the adapter plate form a closed space at the first accommodating groove, and the adapter plate is provided with glue injection communicating with the closed space hole.

In one embodiment, the display module further includes thermally conductive silica gel, a protruding portion is provided on a side of the cover body close to the second accommodating groove, and the thermally conductive silica gel is located between the protruding portion and the between switchboards.

In one embodiment, the cover body is made of metal, and the cover body is provided with a plurality of hollow parts penetrating the cover body.

In one embodiment, the main body is provided with a frame body, the frame body encloses the second accommodating groove, and the adapter plate is detachably connected to the frame body.

In one embodiment, the frame body is provided with a cylindrical hole, and the adapter plate is provided with a through hole matched with the cylindrical hole.

In one embodiment, a first connector is provided on the light board, and a second connector matched with the first connector is provided on the adapter plate.

In one of the embodiments, the main body is provided with an opening communicating with the first accommodating groove and the second accommodating groove, and the opening allows the first connecting piece and/or the second connecting piece to pass through.

In order to solve the above-mentioned technical problems, the third technical solution adopted in this application is: an LED display screen box body, comprising a box body frame and a display module connected to the box body frame, wherein the display module is the above-mentioned display module. Display modules.

beneficial effect

The beneficial effect of the present application is that: the bottom case is divided into a main body and a cover body which are detachably connected, and the two sides of the main body are respectively provided with a first accommodating groove for installing the lamp board and a second accommodating groove for installing the adapter board, The cover body cover is arranged on the second accommodating groove, and the lamp board and the adapter board are connected. The bottom case provided by the present application is convenient to assemble and disassemble, which is convenient for maintenance and repair in the later period. It is only necessary to replace the corresponding parts during maintenance, and it is not necessary to replace the entire bottom case, thereby reducing the cost of later maintenance of the display screen.

Description of drawings

The accompanying drawings constituting a part of the present application are used to provide further understanding of the present application, and the schematic embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation of the present application.

In order to illustrate the technical solutions in the embodiments of the present application more clearly, the following briefly introduces the drawings that are used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

FIG. 1 is an exploded view of the display module according to the first embodiment of the application;

Fig. 2 is the enlarged view of A place in Fig. 1;

3 is a schematic structural diagram of an adapter board in a display module according to Embodiment 1 of the present application;

FIG. 4 is a partial structural schematic diagram of the display module according to the first embodiment of the present application;

5 is a top view of the cover body in the display module according to the first embodiment of the present application;

6 is a side view of the cover body in the display module according to the first embodiment of the present application;

FIG. 7 is a cross-sectional view of the adapter plate and the cover in the display module according to the first embodiment of the application.

Embodiments of the present invention

In order to describe in detail the technical content, achieved objects and effects of the present application, the following descriptions are given in conjunction with the embodiments and the accompanying drawings.

The most critical concept of the present application is: the bottom case is divided into a main body and a cover body that are detachably connected, and the two sides of the main body are respectively provided with a first accommodating groove for installing the light board and a second accommodating groove for installing the adapter board. .

Example 1

Referring to FIGS. 1 to 7 , the first embodiment of the present application is: a bottom case, comprising a main body 1 and a cover body 2 matched with the main body 1 , the cover body 2 and the main body 1 are detachably connected, and the main body 1 is on opposite sides. One side is provided with a first accommodating groove 13 for the lamp board 3 to be installed, and the other side is provided with a second accommodating groove 14 for the adapter plate 4 to be installed on.

This embodiment also provides a display module, which includes the above bottom case, the first accommodating groove 13 on the main body 1 is provided with a lamp board 3, the second accommodating groove 14 on the main body 1 is provided with an adapter plate 4, and the lamp The board 3 is electrically connected with the adapter board 4 , and the lamp board 3 and the adapter board 4 are respectively detachably connected to the main body 1 .

As shown in FIG. 1 to FIG. 3 , the main body 1 is provided with a frame body 12 for installing the adapter plate 4 . The frame body 12 encloses a second accommodating groove 14 , and the adapter plate 4 is arranged in the second accommodating groove 14 and covers The body 2 is covered on the frame body 12, the light board 3 is provided with a first connector 31, and the adapter board 4 is provided with a second connector 41 matched with the first connector 31 and a plurality of electronic components. The components include a single-chip microcomputer 43, the main body 1 is provided with an opening 11 for the first connector 31 and/or the second connector 41 to pass through, the opening 11 is arranged in the second accommodating groove 14, The cooperation of the connector 41 conducts the light board 3 and the adapter board 4 to electrically connect the single chip 43 and the light board 3 , and realizes the control of the light board 3 by the adapter board 4 .

Specifically, the main body 1 and the display screen cover form a first accommodating groove 13 , the light board 3 is installed in the first accommodating groove 13 , and the light board 3 and the main body 1 are connected by screws. The frame 12 disposed on the bottom surface of the main body 1 encloses a second accommodating groove 14 , the opening 11 communicates with the first accommodating groove 13 and the second accommodating groove 14 , the adapter plate 4 is arranged in the second accommodating groove 14 , and the second accommodating groove 14 is The slot 14 is provided with a cylindrical hole 15 for installing the adapter plate 4 , the adapter plate 4 is provided with a through hole 44 matched with the cylindrical hole 15 , and the adapter plate 4 is connected with the second accommodating groove 14 by screws. The cover body 2 covers the second accommodating groove 14 and is connected to the frame body 12. The frame body 12 is provided with a threaded hole for the cover body 2 to be installed on. It can be detached from the main body 1 separately, so as to facilitate the maintenance of the adapter plate 4 in the second accommodating groove 14 . Preferably, the main body 1 is made of plastic material, which can reduce the overall weight of the bottom case, and at the same time, the main body 1 can be injection-molded to reduce the production difficulty and manufacturing cost of the bottom case.

As shown in FIG. 4 , the light plate 3 , the main body 1 and the adapter plate 4 enclose the opening 11 in the first accommodating groove 13 to form a sealed space 5 , and the connection between the first connecting piece 31 and the second connecting piece 41 is located in the sealed space 5, the adapter plate 4 is provided with a glue injection hole 42 that communicates with the closed space 5. After the lamp board 3 and the adapter plate 4 are installed on the main body 1, glue is poured into the glue injection hole 42 so that the glue wraps the first connection. The connection between the connector 31 and the second connector 41 can improve the waterproof performance of the bottom case, and ensure that the connection between the first connector 31 and the second connector 41 is not affected by the moisture in the external environment, so that the lamp panel 3 and the switch The connecting plate 4 is connected stably. In this embodiment, the first connector 31 is a PIN pin, and the second connector 41 is a socket matched with the PIN pin.

In detail, before the lamp board 3 and the adapter board 4 are installed on the main body 1, a thin layer of waterproof glue is applied on the surface of the lamp board 3 and the adapter board 4, and the light board 3 and the adapter board 4 are coated with a thin layer of waterproof glue. And the connection between the light board 3 and the adapter board 4 is separately waterproofed, which greatly reduces the amount of glue compared to the traditional bottom case. It is bulky and difficult to handle, and at the same time, it prevents the electronic components on the adapter plate 4 from being wrapped by glue, causing concentrated heat generation in some areas of the bottom case and affecting the overall heat dissipation performance of the bottom case.

Referring to FIGS. 5 to 7 , a plurality of heat dissipation ribs 22 are provided on the side of the cover body 2 away from the adapter plate 4 to increase the heat dissipation area of the cover body 2 , and the side of the cover body 2 close to the adapter plate 4 is provided with The protruding portion 21 protruding in the direction close to the electronic components on the adapter plate 4 makes the adapter plate 4 and the cover body 2 closer. In the position, it is convenient for the heat generated by the concentrated heat generation part on the adapter plate 4 to be conducted to the cover body 2, and then the heat is dissipated into the air through the heat dissipation ribs 22, which greatly improves the heat dissipation performance of the bottom case. Preferably, there is an interval of 0.5mm between the protruding part 21 and the electronic components for placing the thermally conductive silica gel 6, which improves the heat conduction efficiency between the adapter plate 4 and the cover body 2, makes the bottom case dissipate heat more quickly, and ensures the display screen normal work.

Preferably, the material of the cover body 2 is metal, so that the cover body 2 has good thermal conductivity, and a plurality of penetrating hollows 23 are provided at the position with a larger thickness on the cover body 2 to reduce the overall weight of the cover body 2, and at the same time The materials required in the manufacture of the cover body 2 are reduced, and the production cost of the bottom case is reduced.

This embodiment also provides an LED display screen box, which includes a box body frame and a display module connected to the box body frame, wherein the display module is the above-mentioned display module in this embodiment.

To sum up, the bottom case provided by this application is easy to install and disassemble, convenient for later maintenance and repair, and waterproof treatment is performed between each part separately, so as to reduce the amount of waterproof glue and avoid the waterproof glue wrapping the electronic components that are prone to heat. The overall quality of the bottom case is Small, easy to install, operate and carry, low production cost, easy to manufacture, and conducive to mass production.

The above descriptions are only the embodiments of the present application, and are not intended to limit the scope of the patent of the present application. Any equivalent transformations made by using the contents of the description and drawings of the present application, or directly or indirectly applied in the relevant technical fields, are similarly included in the within the scope of patent protection of this application.

Claims

A bottom case for installing a light board and an adapter board, including,

a main body, one side of the main body is provided with a first accommodating groove for accommodating the lamp board, and the opposite side of the main body is provided with a second accommodating groove for accommodating the adapter board;

The cover body is detachably connected to the main body, and the cover body covers the second accommodating groove.
The bottom case of claim 1, wherein the cover body is made of a metal material.
The bottom case according to claim 2, wherein a protruding portion is provided on a side of the cover body close to the second accommodating groove.
The bottom case according to claim 3, wherein a plurality of heat dissipation ribs are provided on a side of the cover away from the second accommodating groove.
The bottom case according to claim 1, wherein a frame body is provided on the main body, and the frame body encloses the second accommodating groove.
A display module, comprising:

a light board, one side of the light board is provided with a plurality of LED lamp beads;

an adapter board, the adapter board is electrically connected with the lamp board;

A bottom case, the bottom case includes a main body and a cover, one side of the main body is provided with a first accommodating groove for accommodating the lamp board, and the opposite side of the main body is provided with a first accommodating groove for accommodating the adapter plate Two accommodating grooves, the cover body is detachably connected to the main body, and the cover body covers the second accommodating groove.
The display module according to claim 6, wherein the light board, the main body and the adapter plate form a closed space at the first accommodating groove, and the adapter plate is provided with a communication The glue injection hole in the confined space.
The display module according to claim 6, wherein the display module further comprises thermally conductive silica gel, a protruding portion is provided on a side of the cover body close to the second accommodating groove, and the thermally conductive silica gel is located in the between the protruding part and the adapter plate.
The display module according to claim 8, wherein a plurality of heat dissipation ribs are provided on a side of the cover away from the second accommodating groove.
The display module according to claim 9, wherein the material of the cover body is metal, and the cover body is provided with a plurality of hollow parts penetrating the cover body.
The display module according to claim 6, wherein the main body is provided with a frame body, the frame body encloses the second accommodating slot, and the adapter plate is detachably connected to the frame body.
The display module according to claim 11, wherein the frame body is provided with a cylindrical hole, and the adapter plate is provided with a through hole matched with the cylindrical hole.
The display module according to claim 6, wherein a first connector is provided on the light board, and a second connector matched with the first connector is provided on the adapter board.
The display module according to claim 13, wherein the main body is provided with an opening communicating with the first accommodating groove and the second accommodating groove, and the opening is used for the first connecting member and/or the first connecting member and/or the second accommodating groove. The two connecting pieces pass through.
An LED display screen box, comprising a box frame and a display module connected to the box frame, wherein the display module is the display module described in any one of claims 6-14 .