CN220043882U - LED display module with built-in breathable shielding cover - Google Patents
LED display module with built-in breathable shielding cover Download PDFInfo
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- CN220043882U CN220043882U CN202321456067.7U CN202321456067U CN220043882U CN 220043882 U CN220043882 U CN 220043882U CN 202321456067 U CN202321456067 U CN 202321456067U CN 220043882 U CN220043882 U CN 220043882U
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- breath
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- 238000009423 ventilation Methods 0.000 claims abstract description 71
- 239000012528 membrane Substances 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 230000017525 heat dissipation Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000428 dust Substances 0.000 description 9
- 238000010992 reflux Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses an LED display module with a built-in ventilation type shielding cover, which comprises a shielding shell, a pressure box, a ventilation plate and a ventilation groove, wherein the pressure box is fixedly arranged on the side surface of the shielding shell, the ventilation box is fixedly arranged on the lower surface of the pressure box through bolts, an opening is formed in the outer surface of one side, connected with the pressure box, of the shielding shell, a filtering membrane is fixedly arranged in the opening at the side, connected with the pressure box, of the shielding shell, a cable interface is arranged on one side of the shielding shell, and a mounting flange is fixedly arranged at the lower end of the shielding shell through bolts. The LED display module with the built-in ventilation type shielding cover changes the internal pressure of the ventilation box by sliding the piston plate, so that the ventilation plate on the side edge of the ventilation box can exchange and dissipate heat of air in the ventilation box with the outside through the ventilation groove by sliding in a reciprocating manner, and a good heat dissipation effect is ensured while the ventilation box maintains a relative sealing state.
Description
Technical Field
The utility model relates to the technical field of LED displays, in particular to an LED display module with a built-in breathable shielding cover.
Background
The LED display needs to be precisely controlled through the control module in the working process, and because a large amount of interference sources exist in the environment, the phenomenon of screen flashing and screen display can occur occasionally when the LED display works, and the phenomenon is caused by electromagnetic interference, the LED display control module is unstable, in order to ensure the heat dissipation of the display module of the LED display, a mode that a metal mesh is used for isolating an air inlet and an air outlet is generally adopted, but the higher the frequency is, the stronger the penetrating power of electromagnetic waves is, so that a better anti-interference shielding effect cannot be achieved, and the completely-closed shielding cover cannot meet the heat dissipation requirement of the display module of the LED display by adopting contact heat dissipation.
Disclosure of Invention
The utility model aims to provide an LED display module with a built-in ventilation type shielding cover, so as to solve the problem that electromagnetic shielding requirements and heat dissipation requirements in the background technology conflict.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a built-in ventilative shield cover's LED display module assembly, includes shield shell, pressure box, the case of taking a breath, take a breath board and take a breath the groove, the side surface fixed of shield shell is provided with the pressure box, and the lower surface of pressure box passes through bolt fixed mounting has the case of taking a breath, the side surface mounting of case of taking a breath has the gliding take a breath board, and the side surface of taking a breath the board has seted up the take a breath the groove, the internally mounted of pressure box has the runner, and the side surface of runner has seted up the pressure chamber, the inside fixed soft brush that is provided with of pressure chamber, the positive middle of runner is the cavity design, and installs first check valve between cavity and the pressure chamber in the middle of the runner, the cavity is inside to be provided with the gliding piston board, the up end of pressure box is run through by the lower extreme of electric putter, and the lower extreme and piston board fixed connection of electric putter, one side surface of shield shell is connected with one end of back flow, and the other end runs through the upper surface of pressure box, install the second check valve between the upper surface of pressure box and the upper surface of pressure box, the inside of pressure box is provided with the fixed connection of motor, the side surface of pressure box is provided with the sealed down end of pressure box is connected with the motor, the surface of the motor is fixed with the sealed down end of pressure box is connected with the surface of the filter shell, the surface of the filter membrane is fixed with the surface of the filter cable is embedded in one side of the surface of the case, and the lower end of the shielding shell is fixedly provided with a mounting flange through bolts.
Preferably, the ventilation grooves are uniformly formed in the side surfaces of the ventilation plates, the groove width of the ventilation grooves is smaller than the thickness of the side walls of the ventilation boxes, and the ventilation boxes are in sliding friction connection with the ventilation plates.
By adopting the technical scheme, the two sides of the ventilation groove can not be simultaneously communicated with the inner space and the outer space of the ventilation box when the ventilation plate slides.
Preferably, the side surface of the rotating wheel is attached to the inner side surface of the pressure box and the outer surface of the friction wheel, and the cavity in the middle of the rotating wheel is in sliding friction connection with the piston plate.
By adopting the technical scheme, the piston plate can slide to change the pressure of the middle cavity of the rotating wheel, and the friction wheel can drive the rotating wheel to rotate relative to the pressure box.
Preferably, the lower surface of the pressure cavity is provided with a hole, the reflux hole is positioned right below the hole of the lower surface of the pressure cavity, and the reflux pipe is positioned right above the reflux hole.
By adopting the technical scheme, the return pipe can inject air into the pressure cavity and bring dust out of the pressure cavity through the return hole.
Preferably, the pressure chambers are uniformly distributed on the side surface of the rotating wheel, the soft brush is arranged on the inner wall of one side of the pressure chambers, and the soft brush is attached to the outer surface of the filtering membrane.
By adopting the technical scheme, the dust on the outer surface of the filtering membrane can be scraped when the soft brush rotates.
Preferably, the sealing plate is of an arc-shaped design, the outer surface of the sealing plate is attached to the inner side surface of the middle cavity of the rotating wheel, and the sealing plate and the first one-way valve are located at the same horizontal height.
By adopting the technical scheme, the sealing plate can seal the first one-way valve.
Compared with the prior art, the utility model has the beneficial effects that: this LED display module assembly of built-in ventilative formula shield cover:
1. the mode that the pressure in the ventilation box is changed by sliding the piston plate enables the ventilation plate on the side edge of the ventilation box to exchange and dissipate heat of air in the ventilation box with the outside through the ventilation groove by sliding in a reciprocating manner, and good heat dissipation effect is ensured while the ventilation box keeps a relative sealing state;
2. the piston plate slides reciprocally to press air into the shielding shell through the filtering membrane to cool the display module in an air-cooling mode, dust is filtered on the filtering membrane and cleaned through the rotating soft brush, the service life of the filtering membrane is prolonged, and the dust filtering effect is guaranteed;
3. the air exhausted from the shielding shell is discharged into the pressure cavity closed by the closing plate through the return pipe, so that the soft brush on the inner side of the pressure cavity, which is opposite to the return hole, can be triggered by gas to clean, and dust enters the ventilation box through the return hole and is discharged along with gas exchange.
Drawings
FIG. 1 is a schematic diagram of the overall front view of the present utility model;
FIG. 2 is a schematic overall cross-sectional view of the present utility model;
FIG. 3 is a schematic diagram of a cross-sectional structure of a runner and a second check valve of the present utility model;
FIG. 4 is a schematic cross-sectional view of the connection between the ventilator and the ventilator channel of the present utility model;
fig. 5 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.
In the figure: 1. a shield case; 2. a pressure cell; 3. a ventilation box; 4. a ventilation plate; 5. a ventilation groove; 6. a rotating wheel; 7. a pressure chamber; 8. a soft brush; 9. a first one-way valve; 10. a piston plate; 11. an electric push rod; 12. a return pipe; 13. a second one-way valve; 14. a closing plate; 15. a reflow hole; 16. a friction wheel; 17. an electric motor; 18. a filtering membrane; 19. a cable interface; 20. and (5) mounting a flange.
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. 1-5, the present utility model provides a technical solution: an LED display module with a built-in ventilation type shielding cover comprises a shielding shell 1, a pressure box 2, a ventilation box 3, a ventilation plate 4, a ventilation groove 5, a rotating wheel 6, a pressure cavity 7, a soft brush 8, a first one-way valve 9, a piston plate 10, an electric push rod 11, a return pipe 12, a second one-way valve 13, a sealing plate 14, a return hole 15, a friction wheel 16, an electric motor 17, a filter membrane 18, a cable interface 19 and a mounting flange 20, wherein the side surface of the shielding shell 1 is fixedly provided with the pressure box 2, the lower surface of the pressure box 2 is fixedly provided with the ventilation box 3 through bolts, the side surface of the ventilation box 3 is provided with the sliding ventilation plate 4, the side surface of the ventilation plate 4 is provided with the ventilation groove 5, the inside of the pressure box 2 is provided with the rotating wheel 6, the side surface of the rotating wheel 6 is provided with the pressure cavity design, the inside of the pressure cavity 7 is fixedly provided with the soft brush 8, the middle of the rotating wheel 6 is provided with the cavity design, a first one-way valve 9 is arranged between a cavity in the middle of the rotating wheel 6 and the pressure cavity 7, a sliding piston plate 10 is arranged in the cavity in the middle of the rotating wheel 6, the upper end face of the pressure box 2 is penetrated by the lower end of the electric push rod 11, the lower end of the electric push rod 11 is fixedly connected with the piston plate 10, one side outer surface of the shielding shell 1 is connected with one end of the return pipe 12, the other end of the return pipe 12 penetrates through the upper surface of the pressure box 2, a second one-way valve 13 is arranged between the lower surface of the pressure box 2 and the upper surface of the ventilation box 3, a friction wheel 16 is embedded in the inner side surface of the lower end of the pressure box 2, an electric motor 17 is fixedly arranged on the lower surface of the ventilation box 3, the upper end of an output shaft of the electric motor 17 penetrates through the outer surface of the pressure box 2 and is fixedly connected with a rotating shaft of the friction wheel 16, the ventilation groove 5 is uniformly arranged on the side surface of the ventilation plate 4, the groove width of the ventilation groove 5 is smaller than the thickness of the side wall of the ventilation box 3, the ventilation box 3 is in sliding friction connection with the ventilation plate 4, the side surface of the rotating wheel 6 is attached to the inner side surface of the pressure box 2 and the outer surface of the friction wheel 16, the cavity in the middle of the rotating wheel 6 is in sliding friction connection with the piston plate 10, during operation, the electric push rod 11 and the electric motor 17 are started, the electric push rod 11 drives the piston plate 10 to slide in the cavity in the middle of the rotating wheel 6 in the pressure box 2, air in the ventilation box 3 is pumped up into the cavity in the middle of the rotating wheel 6 by the piston plate 10 through the second one-way valve 13, meanwhile, the ventilation plate 4 slides into the ventilation box 3 under the action of negative pressure in the ventilation box 3, the ventilation groove 5 brings external air into the ventilation box 3 to perform heat exchange, when the piston plate 10 slides down, the air in the cavity in the middle of the rotating wheel 6 is pressed into the pressure cavity 7 through the first one-way valve 9 and enters the inside of the shielding shell 7 through the filter membrane 18, the dust in the air is filtered through the filter membrane 18, and simultaneously the electric motor 17 rotates in the cavity in the middle of the cavity 6 through the attachment of the friction wheel 16 and the rotating with the rotating wheel 6, and the dust in the filter membrane 8 is scraped off from the pressure cavity 7 through the filter membrane 18, and accumulated on the outer surface of the filter membrane 7.
The inner bottom surface of the pressure box 2 is fixedly provided with a sealing plate 14, the lower surface of the pressure box 2 and the upper surface of the ventilation box 3 are provided with backflow holes 15, the outer surface of one side of the shielding shell 1 connected with the pressure box 2 is provided with an opening, the opening of the side of the shielding shell 1 connected with the pressure box 2 is fixedly provided with a filtering membrane 18, one side of the shielding shell 1 is provided with a cable interface 19, the lower end of the shielding shell 1 is fixedly provided with a mounting flange 20 through bolts, the lower surface of the pressure cavity 7 is provided with holes, the backflow holes 15 are positioned under the holes of the lower surface of the pressure cavity 7, the backflow pipes 12 are positioned right above the backflow holes 15, the pressure cavity 7 is uniformly distributed on the side surface of the rotating wheel 6, the soft hairbrushes 8 are arranged on the inner wall of one side of the pressure cavity 7, the soft hairbrushes 8 are attached to the outer surface of the filtering membrane 18, the sealing plate 14 is of arc-shaped design, the outer surface of the sealing plate 14 is attached to the inner side surface of the hollow cavity in the middle of the rotating wheel 6, the sealing plate 14 and the first one-way valve 9 are at the same horizontal height, when the pressure cavity 7 rotates to a position opposite to the sealing plate 14, the backflow hole 15 coincides with an opening on the lower surface of the pressure cavity 7, the first one-way valve 9 is sealed by the sealing plate 14, air in the shielding shell 1 absorbs heat and then is discharged through the backflow pipe 12 and is discharged into the pressure cavity 7 through the upper part of the pressure cavity 7 to blow dust on the brush 8, the dust enters the backflow hole 15 along with air flow and is discharged into the ventilation box 3, at the moment, the pressure in the ventilation box 3 increases to push the ventilation plate 4 out of the ventilation box 3, and the air after heat absorption is carried out of the ventilation box 3 through the ventilation groove 5 to perform heat exchange and heat dissipation with the outside air.
Working principle: when the LED display module with the built-in ventilation type shielding cover is used, the display module is connected with a display screen through the cable interface 19, the display module is installed at a proper position through the installation flange 20, air is filtered through the filter membrane 18 through the reciprocating sliding of the piston plate 10 and then is injected into the shielding cover 1, the soft hairbrush 8 is cleaned by utilizing the air backflow after heat absorption, and the ventilation groove 5 is driven to slide through the ventilation plate 4, so that the ventilation box 3 dissipates heat on the premise of not being directly communicated with the outside, the purpose of electromagnetic protection is achieved, and the overall practicability is increased.
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 (6)
1. The utility model provides a built-in ventilative formula shield cover's LED display module assembly, includes shield shell (1), pressure box (2), takes a breath box (3), take a breath board (4) and take a breath groove (5), its characterized in that: the utility model discloses a pressure-sensitive device, including shielding shell (1), pressure box (2) is provided with to side surface fixation of shielding shell (1), and the lower surface of pressure box (2) is through bolt fastening installs in take a breath box (3), take a breath box (4) is installed to side surface mounting of take a breath box (3), and take a breath in the side surface of board (4) and seted up take a breath in groove (5), internally mounted of pressure box (2) has runner (6), and the side surface of runner (6) has seted up pressure chamber (7), the inside fixed of pressure chamber (7) is provided with soft brush (8), the positive middle of runner (6) is the cavity design, and installs first check valve (9) between cavity and the pressure chamber (7) in the positive middle of runner (6), the cavity is inside to be provided with gliding piston plate (10) in the runner (6), the up end of pressure box (2) is run through by the lower extreme of electric putter (11), and the lower extreme of electric putter (11) is fixedly connected with piston plate (10), the one side surface of shielding shell (1) is connected with pressure cavity (12), and the upper end of pressure box (12) is connected with the upper end of back flow pipe (2) and one-sensitive device (13) between the upper surface of back flow pipe (2), the inside bottom surface fixed of pressure box (2) is provided with closing plate (14), reflow hole (15) have been seted up with the upper surface of taking a breath box (3) to the lower surface of pressure box (2), friction wheel (16) are installed to the lower extreme inboard surface embedded of pressure box (2), the lower surface fixed mounting of taking a breath box (3) has electric motor (17), and the output shaft upper end of electric motor (17) runs through the surface of pressure box (2) and the pivot fixed connection of friction wheel (16), the one side surface that shield shell (1) and pressure box (2) are connected is provided with the opening, and the fixed filtration membrane (18) that is provided with of opening of shield shell (1) and pressure box (2) connection side, one side of shield shell (1) is provided with cable interface (19), and the lower extreme of shield shell (1) has mounting flange (20) through bolt fixed mounting.
2. The LED display module with the built-in breathable shielding case according to claim 1, wherein: the ventilation grooves (5) are uniformly formed in the side surfaces of the ventilation plates (4), the groove width of the ventilation grooves (5) is smaller than the thickness of the side wall of the ventilation box (3), and the ventilation box (3) is in sliding friction connection with the ventilation plates (4).
3. The LED display module with the built-in breathable shielding case according to claim 1, wherein: the side surface of the rotating wheel (6) is attached to the inner side surface of the pressure box (2) and the outer surface of the friction wheel (16), and a cavity in the middle of the rotating wheel (6) is in sliding friction connection with the piston plate (10).
4. The LED display module with the built-in breathable shielding case according to claim 1, wherein: the lower surface of the pressure cavity (7) is provided with a hole, the backflow hole (15) is positioned right below the hole of the lower surface of the pressure cavity (7), and the backflow pipe (12) is positioned right above the backflow hole (15).
5. The LED display module with the built-in breathable shielding case according to claim 1, wherein: the pressure cavity (7) is uniformly distributed on the side surface of the rotating wheel (6), the soft brush (8) is arranged on the inner wall of one side of the pressure cavity (7), and the soft brush (8) is attached to the outer surface of the filtering membrane (18).
6. The LED display module with the built-in breathable shielding case according to claim 1, wherein: the sealing plate (14) is of an arc-shaped design, the outer surface of the sealing plate (14) is attached to the inner side surface of the middle cavity of the rotating wheel (6), and the sealing plate (14) and the first one-way valve (9) are located at the same horizontal height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321456067.7U CN220043882U (en) | 2023-06-08 | 2023-06-08 | LED display module with built-in breathable shielding cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321456067.7U CN220043882U (en) | 2023-06-08 | 2023-06-08 | LED display module with built-in breathable shielding cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220043882U true CN220043882U (en) | 2023-11-17 |
Family
ID=88726178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321456067.7U Active CN220043882U (en) | 2023-06-08 | 2023-06-08 | LED display module with built-in breathable shielding cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220043882U (en) |
-
2023
- 2023-06-08 CN CN202321456067.7U patent/CN220043882U/en active Active
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