CN219435477U

CN219435477U - Dustproof display screen

Info

Publication number: CN219435477U
Application number: CN202320823092.8U
Authority: CN
Inventors: 李大江; 王林春
Original assignee: Hefei Longfa Intelligent Technology Co ltd
Current assignee: Hefei Longfa Intelligent Technology Co ltd
Priority date: 2023-04-14
Filing date: 2023-04-14
Publication date: 2023-07-28
Anticipated expiration: 2033-04-14

Abstract

The utility model relates to the technical field of display screen devices, and particularly discloses a dustproof display screen, wherein the front wall of a heat conduction box body is attached to the rear wall of an inner cavity main board of a display screen body, a plurality of fins are arranged on the rear wall of the heat conduction box body, an air inlet and an air outlet are respectively formed in the positions of two ends of the rear wall of the heat conduction box body, the output end of an axial flow fan penetrates through the rear wall of the display screen body and then is sleeved in the air inlet, and the front end of an exhaust cylinder penetrates through the rear wall of the display screen body and then is sleeved in the air outlet; the heat dissipation wind flow does not directly enter the inner cavity of the display screen body, so that dust in the wind flow is prevented from being deposited in the display screen body, and the problem that the display screen is difficult to have heat dissipation and dust prevention functions is well solved.

Description

Dustproof display screen

Technical Field

The utility model relates to the technical field of display screen devices, in particular to a dustproof display screen.

Background

The display screen is a display tool for displaying a certain electronic file on a screen through a specific transmission device and reflecting the electronic file to human eyes, can be divided into a plurality of types such as a CRT (cathode ray tube), an LCD (liquid crystal display) and the like, can be used for displaying various information such as characters, graphics, images, animations, quotations, videos, video signals and the like, and is used in a plurality of public places such as hospitals, markets and the like in modern society.

The existing display screen heat dissipation port is usually open, dust in the air easily enters the display screen to cause dust accumulation, so that short circuit risks can be generated, and the sealed display screen is low in heat dissipation efficiency and easy to cause heat accumulation, so that the service life of the display screen is shortened.

Disclosure of Invention

The utility model aims to provide a dustproof display screen, which is used for solving the problem that the existing display screen is difficult to have the functions of heat dissipation and dust prevention.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a dustproof display screen, includes the display screen body, the front wall laminating of heat conduction box body in the back wall of display screen body inner chamber mainboard, heat conduction box body back wall is equipped with a plurality of fins, air intake and air exit have been seted up respectively to the position at heat conduction box body back wall both ends, axial fan's output runs through behind the back wall of display screen body cup joint in the air intake, the front end of exhaust barrel runs through behind the back wall of display screen body cup joint in the air exit.

Preferably, a plurality of horizontally extending built-in battens are uniformly arranged between the front wall and the rear wall of the inner cavity of the heat conduction box body along the vertical direction.

Preferably, the heat conduction box body, the built-in battens and the fins are all made of aluminum materials.

Preferably, a first fixing ring is arranged at the position of the outer peripheral wall of the axial flow fan corresponding to the rear wall of the display screen body, the first fixing ring is fixed on the rear wall of the display screen body through screws, a second fixing ring is arranged at the position of the outer peripheral wall of the exhaust barrel corresponding to the rear wall of the display screen body, and the second fixing ring is fixed on the rear wall of the display screen body through screws.

Preferably, a plug which is inserted and matched with the air outlet is arranged at the inner edge of the front end of the exhaust cylinder, an airtight structure is arranged between the outer peripheral wall of the plug and the air outlet, and an airtight mechanism is arranged between the outer peripheral wall of the front end of the axial flow fan and the air inlet.

Preferably, a grid is arranged at the opening of the rear end of the exhaust cylinder body, and a filter element is detachably arranged at the input port of the axial flow fan.

Preferably, the filter element comprises a fixing ring detachably sleeved at the input end of the axial flow fan and a filter screen inlaid at the rear end of the inner cavity of the fixing ring.

Compared with the prior art, the utility model has the beneficial effects that:

the dustproof display screen absorbs heat emitted from the inside of the display screen body through the heat conduction box body, and cooling air flows through the heat conduction box body to take away the heat, so that the heat dissipation effect is achieved; because the cooling air flow does not directly enter the inner cavity of the display screen body, floating dust in the air flow can not deposit on the parts inside the display screen body, thereby achieving the effects of heat dissipation and dust prevention.

Drawings

FIG. 1 is a schematic side view of the overall structure of the present utility model;

fig. 2 is a schematic perspective view of a heat conductive box according to the present utility model;

FIG. 3 is a schematic perspective view of an axial fan according to the present utility model;

fig. 4 is a schematic perspective view of an exhaust cylinder according to the present utility model.

In the figure: 1-a display screen body;

2-a heat conduction box body; 21-built-in battens; 22-fins; 23-an air inlet; 24-an exhaust outlet;

3-an axial fan; 31-fixing ring I;

4-exhausting a cylinder; 41-plug; 42-fixing the second ring; 43-grid;

5-a filter; 51-fixing rings; 52-a filter screen.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a dustproof display screen, includes display screen body 1, and the front wall laminating of heat conduction box body 2 is in the back wall of display screen body 1 inner chamber mainboard, and heat conduction box body 2 back wall is equipped with a plurality of fins 22, in order to increase the radiating effect of heat conduction box body 2, evenly is equipped with a plurality of built-in laths 21 that extend along vertical between the front and back wall of heat conduction box body 2 inner chamber, and wherein, heat conduction box body 2, built-in lath 21 and fin 22 can adopt aluminium material to make; the two ends of the back wall of the heat conduction box body 2 are respectively provided with an air inlet 23 and an air outlet 24.

The output end of the axial flow fan 3 penetrates through the rear wall of the display screen body 1 and then is sleeved in the air inlet 23, and the front end of the exhaust cylinder 4 penetrates through the rear wall of the display screen body 1 and then is sleeved in the air outlet 24; wherein, the position that axial fan 3 periphery wall corresponds display screen body 1 back wall is equipped with solid fixed ring one 31, gu fixed ring one 31 passes through the fix with screw at the back wall of display screen body 1, and the position that exhaust barrel 4 periphery wall corresponds display screen body 1 back wall is equipped with gu fixed ring two 42, gu fixed ring two 42 pass through the fix with screw at the back wall of display screen body 1.

In summary, the heat generated by the main board inside the display screen body 1 is directly transferred to the front wall of the heat conduction box body 2, and the heat radiated by the inner cavity of the display screen body 1 is also directly transferred to the outer wall of the heat conduction box body 2 or transferred to the rear wall of the heat conduction box body 2 through the fins 22; the axial flow fan 3 discharges external wind flow into the inner cavity of the heat conduction box body 2 through the air inlet 23, and the wind flow flowing through the inner cavity of the heat conduction box body 2 takes away the heat absorbed by the heat conduction box body 2 and is discharged through the air outlet 24 and the exhaust cylinder body 4, so that the effect of heat dissipation of the display screen is achieved; because the heat dissipation wind flow is not in direct contact with the internal components of the display screen, floating dust in the heat dissipation wind flow is prevented from being deposited on the internal components of the display screen, and the aim of dust prevention is achieved.

In order to avoid air leakage and ensure air tightness, the inner edge of the front end of the exhaust cylinder 4 is provided with a plug 41 which is in plug-in matching with the air outlet 24, an air sealing structure is arranged between the outer peripheral wall of the plug 41 and the air outlet 24, and an air sealing mechanism is arranged between the outer peripheral wall of the front end of the axial flow fan 3 and the air inlet 23.

In order to prevent foreign matter from entering the exhaust cylinder 4, a grill 43 is provided at the rear end opening of the exhaust cylinder 4. In order to avoid dust accumulation in the inner cavity of the heat conduction box body 2, a filter element 5 is detachably arranged at the input port of the axial flow fan 3. In addition, in order to facilitate the removal of the filter element 5 to clean the filtering surface thereof, the filter element 5 comprises a fixing ring 51 detachably sleeved at the input end of the axial flow fan 3 and a filter screen 52 embedded at the rear end of the inner cavity of the fixing ring 51, wherein the fixing ring 51 is fixed on the peripheral wall of the rear end of the axial flow fan 3 by using screws.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A dustproof display screen, includes display screen body (1), its characterized in that still includes:

the heat conduction box body (2), the front wall of the heat conduction box body (2) is attached to the rear wall of the inner cavity main board of the display screen body (1), a plurality of fins (22) are arranged on the rear wall of the heat conduction box body (2), and an air inlet (23) and an air outlet (24) are respectively formed in the positions of two ends of the rear wall of the heat conduction box body (2);

the output end of the axial flow fan (3) penetrates through the rear wall of the display screen body (1) and is sleeved in the air inlet (23); and

the front end of the exhaust cylinder body (4) penetrates through the rear wall of the display screen body (1) and then is sleeved in the exhaust outlet (24).

2. A dust-proof display screen as claimed in claim 1, wherein: a plurality of horizontally extending built-in battens (21) are uniformly arranged between the front wall and the rear wall of the inner cavity of the heat conduction box body (2) along the vertical direction.

3. A dust-proof display screen as claimed in claim 2, wherein: the heat conduction box body (2), the built-in battens (21) and the fins (22) are all made of aluminum materials.

4. A dust-proof display screen as claimed in claim 1, wherein: the axial fan (3) peripheral wall corresponds the position of display screen body (1) back wall is equipped with solid fixed ring one (31), gu fixed ring one (31) pass through the fix with screw be in the back wall of display screen body (1), exhaust barrel (4) peripheral wall corresponds the position of display screen body (1) back wall is equipped with gu fixed ring two (42), gu fixed ring two (42) pass through the fix with screw the back wall of display screen body (1).

5. A dust-proof display screen as claimed in claim 4, wherein: the inner edge of the front end of the exhaust cylinder body (4) is provided with a plug (41) which is in plug-in matching with the air outlet (24), an airtight structure is arranged between the peripheral wall of the plug (41) and the air outlet (24), and an airtight mechanism is arranged between the peripheral wall of the front end of the axial flow fan (3) and the air inlet (23).

6. A dust-proof display screen as claimed in claim 5, wherein: the rear end opening of the exhaust cylinder body (4) is provided with a grid (43), and the input port of the axial flow fan (3) is detachably provided with a filter (5).

7. A dust-proof display screen as claimed in claim 6, wherein: the filter element (5) comprises a fixing ring (51) detachably sleeved at the input end of the axial flow fan (3) and a filter screen (52) inlaid at the rear end of the inner cavity of the fixing ring (51).