CN220493411U - Dustproof waterproof anti-electromagnetic interference ventilation and heat dissipation all-in-one machine - Google Patents
Dustproof waterproof anti-electromagnetic interference ventilation and heat dissipation all-in-one machine Download PDFInfo
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- CN220493411U CN220493411U CN202321566253.6U CN202321566253U CN220493411U CN 220493411 U CN220493411 U CN 220493411U CN 202321566253 U CN202321566253 U CN 202321566253U CN 220493411 U CN220493411 U CN 220493411U
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 22
- 238000009423 ventilation Methods 0.000 title claims abstract description 18
- 210000001503 joint Anatomy 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims description 40
- 238000003825 pressing Methods 0.000 claims description 32
- 239000011358 absorbing material Substances 0.000 claims description 27
- 239000011521 glass Substances 0.000 claims description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 7
- 239000000741 silica gel Substances 0.000 claims description 7
- 229910002027 silica gel Inorganic materials 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 5
- 238000013461 design Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 230000006872 improvement Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model provides a dustproof, waterproof and electromagnetic interference resistant ventilation and heat dissipation integrated machine which comprises a machine shell, a display screen and a main board, wherein the display screen and the main board are arranged in the machine shell, the machine shell comprises a surface shell and a bottom shell, a circle of conductive rubber strips are arranged between the butt joint surfaces of the surface shell and the bottom shell, a display frame corresponding to the display screen is arranged on the surface shell, a first dustproof, waterproof and electromagnetic interference resistant structure is arranged in the display frame, and a second dustproof, waterproof and electromagnetic interference resistant structure is arranged on the bottom shell. The utility model can realize dustproof and waterproof, efficient heat dissipation in the interior and electromagnetic wave shielding to any frequency band, improves the electromagnetic interference resistance of the integrated machine, ensures the performance and the service life of the integrated machine, has simple structure, low manufacturing cost and strong appearance integrity, and is suitable for various severe environments. Such designs may be applied to other electronic devices.
Description
Technical Field
The utility model mainly relates to the technical field of electronic products, in particular to a dustproof and waterproof ventilating and heat dissipating integrated machine resistant to electromagnetic interference.
Background
With the continuous improvement of the performance of electronic products in the modern society, the requirements of the integrated machine on dust prevention, water prevention, electromagnetic interference resistance, ventilation and heat dissipation in different application scenes are required to be met. Existing heat dissipation techniques include: the mode of arranging vent holes and metal shielding net or the mode of heat conduction and heat dissipation by adopting heat dissipation fins is adopted.
The mode of forming vent holes and metal shielding net is as follows: the vent is formed, and the metal shielding net is arranged in the vent, so that the heat dissipation effect is obvious, the mode cannot prevent dust and water and cannot absorb electromagnetic waves completely, the size of the aperture of the metal shielding net determines the attenuation degree of the electromagnetic waves against the outside, and the sizes of the apertures of the electromagnetic waves with high and low frequencies are different, so that the metal shielding net has limitation on the attenuation of the electromagnetic waves.
And to adopting the radiating fin heat conduction radiating mode, the all-in-one is a sealed cavity, and is anti-electromagnetic interference, dustproof waterproof effect is obvious, but inner wall cavity seal is strong, and the radiating heat transfer of heat conduction is slower, and inside original paper ware is in high temperature environment for a long time when using, can influence the life-span of former device, has also provided higher requirement to the components and parts type selection when designing simultaneously.
Disclosure of Invention
Aiming at the technical problems existing in the prior art, the utility model provides the dustproof, waterproof and electromagnetic interference resistant ventilation and heat dissipation integrated machine, which can realize dustproof, waterproof, efficient heat dissipation inside and electromagnetic wave shielding of any frequency band, improves the electromagnetic interference resistant capability of the integrated machine, ensures the performance and the service life of the integrated machine, has the advantages of simple structure, low manufacturing cost and strong appearance integration, and is suitable for various severe environments. Such designs may be applied to other electronic devices.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a dustproof, waterproof and electromagnetic interference resistant ventilation and heat dissipation integrated machine which comprises a machine shell, a display screen and a main board, wherein the display screen and the main board are arranged in the machine shell, the machine shell comprises a surface shell and a bottom shell, a circle of conductive rubber strips are arranged between the butt joint surfaces of the surface shell and the bottom shell, a display frame corresponding to the display screen is arranged on the surface shell, a first dustproof, waterproof and electromagnetic interference resistant structure is arranged in the display frame, and a second dustproof, waterproof and electromagnetic interference resistant structure is arranged on the bottom shell.
Furthermore, the first dustproof, waterproof and electromagnetic interference resistant structure comprises ITO shielding glass, wherein the inner surface and the outer surface of the ITO shielding glass are plated with a layer of electromagnetic wave input resistant film, and the display screen is positioned in a shell behind the ITO shielding glass.
Further, a circle of conductive silica gel pad is arranged between the butt joint surface of the ITO shielding glass and the display frame.
Further, a conductive foam with a certain thickness is arranged between the butt joint surfaces of the ITO shielding glass and the display screen.
Furthermore, the bottom shell is provided with a bottom plate, the front side of the bottom plate and the peripheral side plate of the front side of the bottom plate form a first cavity for accommodating the main board and the display screen, and the back side of the bottom plate and the peripheral side plate of the back side of the bottom plate form a mounting groove for mounting the second dustproof, waterproof and electromagnetic interference resistant structure.
Further, the bottom plate is provided with a plurality of ventilation holes, the second dustproof and waterproof anti-electromagnetic interference structure comprises a wave-absorbing material net, a wave-absorbing material pressing plate, a metal shielding net and a metal shielding net pressing plate which are paved from inside to outside in sequence, and the positions, corresponding to the ventilation holes on the bottom shell, of the wave-absorbing material pressing plate and the metal shielding net pressing plate are provided with ventilation holes which are communicated with each other.
Furthermore, the inner walls of the vent holes on the metal shielding net pressing plate are provided with waterproof sound-transmitting film mounting grooves, and the waterproof sound-transmitting film is mounted in the vent holes on the metal shielding net pressing plate through the waterproof sound-transmitting film mounting grooves, so that external dust and water vapor are prevented from entering the integrated machine from the vent holes on the metal shielding net pressing plate.
Further, the second dustproof, waterproof and anti-electromagnetic interference structure further comprises a plurality of air guide baffles, wherein the air guide plates are arranged at the outermost sides, and air guide holes communicated with the vent holes on the bottom plate are formed between the adjacent air guide baffles.
Further, the air guide hole is a variable cross-section air guide hole, and the aperture of the air guide hole is continuously reduced from the inner side to the outer side.
Further, the wave-absorbing material net pressing plate, the metal shielding net and the metal shielding net pressing plate are fixedly arranged on the bottom shell together through a plurality of screws.
Compared with the prior art, the utility model has the beneficial technical effects that:
the utility model can realize dustproof and waterproof, efficient heat dissipation in the interior and electromagnetic wave shielding to any frequency band, improves the electromagnetic interference resistance of the integrated machine, ensures the performance and the service life of the integrated machine, has simple structure, low manufacturing cost and strong appearance integrity, and is suitable for various severe environments. Such designs may be applied to other electronic devices.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an exploded view of an embodiment of the present utility model;
FIG. 2 is a rear view of an embodiment of the present utility model;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a cross-sectional view of an embodiment of the present utility model;
FIG. 5 is an enlarged view at B of FIG. 4;
FIG. 6 is a schematic diagram illustrating electromagnetic wave attenuation according to an embodiment of the present utility model;
FIG. 7 is a schematic view of airflow in accordance with an embodiment of the utility model;
the reference numerals in the figures illustrate:
1. a face shell; 2. a conductive rubber strip; 3. a conductive silicone pad; 4. ITO shielding glass; 5. conductive foam; 6. a display screen; 7. a main board; 8. a bottom case; 9. a wave-absorbing material web; 10. a wave-absorbing material pressing plate; 11. a metal shielding net; 12. a metal shielding net pressing plate; 13. a waterproof sound-transmitting membrane; 14. an air guide baffle; 15. and (5) a screw.
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Detailed Description
The embodiments described in this section are merely some, but not all, embodiments of the utility model. 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.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; the device can be mechanically connected, electrically connected, physically connected or wirelessly connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, in one embodiment, a dustproof, waterproof, anti-electromagnetic interference ventilation and heat dissipation integrated machine is provided, which comprises a casing, a display screen 6 arranged in the casing, and a main board 7, wherein the casing comprises a surface shell 1 and a bottom shell 8, a circle of conductive rubber strip 2 is arranged between the butt joint surfaces of the surface shell 1 and the bottom shell 8, and the conductive rubber strip 2 can block electromagnetic waves from entering the integrated machine. The face-piece 1 is provided with a display frame 1-1 corresponding to the display screen 6, a first dustproof, waterproof and electromagnetic interference resistant structure is arranged in the display frame 1-1, and a second dustproof, waterproof and electromagnetic interference resistant structure is arranged on the bottom shell.
The first dustproof, waterproof and anti-electromagnetic interference structure comprises ITO shielding glass 4, wherein the inner surface and the outer surface of the ITO shielding glass 4 are plated with a layer of electromagnetic wave input preventing film, and the display screen 6 is positioned in a shell behind the ITO shielding glass 4.
A circle of conductive silica gel pad 3 is arranged between the butt joint surface of the ITO shielding glass 4 and the display frame. The conductive silica gel pad 3 is arranged in the integrated machine and is in a compressed state after being installed, the conductive silica gel pad 3 is fully contacted with the face shell 1 and the ITO shielding glass 4 to form an integrated conductor, and dust, water and electromagnetic waves can be prevented from entering.
And a conductive foam 5 with a certain thickness is arranged between the butt joint surface of the ITO shielding glass 4 and the display screen 6. The conductive foam 5 is assembled between the display screen 6 and the ITO shielding glass 4, and can buffer the vibration of the display screen of the integrated machine in the machine shell due to the compressible rebound and the conductive performance.
The conductive rubber strip 2 can prevent electromagnetic waves between the face shell 1 and the bottom shell 8 from entering the integrated machine, and the ITO shielding glass 4, the conductive silica gel pad 3 and the face shell 1 can prevent the electromagnetic waves from entering the integrated machine.
The bottom shell 8 is provided with a bottom plate 8-1, a first cavity for accommodating the main board 7 and the display screen 6 is formed by the front side of the bottom plate and the peripheral side plate of the front side of the bottom plate, and a mounting groove for mounting the second dustproof, waterproof and electromagnetic interference resistant structure is formed by the back side of the bottom plate and the peripheral side plate of the back side of the bottom plate. The groove depth of the mounting groove is determined according to the size of the second dustproof, waterproof and anti-electromagnetic interference structure.
The bottom plate 8-1 is provided with a plurality of vent holes 8-2, the second dustproof and waterproof anti-electromagnetic interference structure comprises a wave-absorbing material net 9, a wave-absorbing material pressing plate 10, a metal shielding net 11 and a metal shielding net pressing plate 12 which are paved from inside to outside in sequence, and the positions, corresponding to the vent holes on the bottom shell, of the wave-absorbing material pressing plate 10 and the metal shielding net pressing plate 12 are provided with intercommunicated vent holes. The wave-absorbing material net has adsorption effect on electromagnetic waves with high and low frequencies. The ventilation hole adopts a pair-wearing structure, so that the air exchange speed between the inside and the outside of the integrated machine is high, and the ventilation and heat dissipation effects are good. The wave-absorbing material pressing plate 10 just presses the wave-absorbing material net, the wave-absorbing material pressing plate 10 is provided with vent holes, the outer side surface of the wave-absorbing material pressing plate 10 can be provided with grooves so as to be convenient for installing the metal shielding net 11, and the depth of the grooves for installing the metal shielding net 11 is determined according to the thickness of the metal shielding net.
Waterproof sound-transmitting film mounting grooves are formed in the inner walls of the holes of the metal shielding net pressing plate 12, the waterproof sound-transmitting film 13 is mounted in the holes of the metal shielding net pressing plate 12 through the waterproof sound-transmitting film mounting grooves, and external dust and water vapor are prevented from entering the integrated machine from the holes of the metal shielding net pressing plate 12.
The second dustproof, waterproof and anti-electromagnetic interference structure further comprises a plurality of air guide baffles 14, the air guide baffles 14 are arranged on the outermost side, and air guide holes communicated with the vent holes 8-2 on the bottom plate 8-1 are formed between the adjacent air guide baffles 14. Further, the air guide hole is a variable cross-section air guide hole, the aperture of the air guide hole is continuously reduced from the inner side to the outer side, and the area of the outer side surface of the wind shielding guide plate 14 is larger than that of the inner side surface. The air guide baffle can play a role in guiding air, so that hot air in the air guide baffle can be quickly transferred to the outside of the integrated machine through the vent hole, the front shielding position of the air guide baffle is larger than the size of the vent hole, and external electromagnetic waves in the front are blocked outside the integrated machine. The air guide baffle has the shape which can guide the flow direction of wind and can also block part of electromagnetic waves from entering the integrated machine.
By selecting a metal shielding mesh 11 of suitable pore size. The electromagnetic wave absorbing material net 9 can be used for blocking most electromagnetic waves entering from the air guide holes between the air guide plates, and few electromagnetic waves can be absorbed through the air holes, so that an electromagnetic interference integrated machine with high and low frequency resistance is formed.
The wave-absorbing material net 9, the wave-absorbing material net pressing plate 10, the metal shielding net 11 and the metal shielding net pressing plate 12 are fixedly arranged on the bottom shell 8 together through a plurality of screws.
In the above embodiment, the arrangement of the waterproof sound-transmitting membrane 13, the conductive silica gel pad 3 and the like can block external dust, and water vapor enters the integrated machine.
The dustproof, waterproof and anti-electromagnetic interference integrated machine provided by the embodiment is simple in structural design, is in a simple stacking mode, can conveniently increase the number of layers of the metal shielding net or the wave-absorbing material net, and can select the metal shielding net with different apertures and the wave-absorbing material net with different frequencies.
For the electromagnetic interference resistant all-in-one machine with extremely high requirements, a plurality of layers of metal shielding nets or a plurality of layers of wave absorbing material nets can be further arranged, and a plurality of layers of metal shielding nets with different apertures or a plurality of layers of wave absorbing material nets absorbing different wave bands can be simultaneously added so as to meet different electromagnetic interference resistant requirements.
As shown in fig. 6, in the electromagnetic wave attenuation process in an embodiment, a part of electromagnetic waves are blocked when the electromagnetic waves pass through the air guide baffle, a small amount of electromagnetic waves are refracted and enter the vent holes, a part of electromagnetic waves are filtered when the electromagnetic waves pass through the metal shielding net, and no electromagnetic waves enter the integrated machine through the adsorption of the wave absorbing material, so that the external electromagnetic waves cannot interfere with the integrated machine.
As shown in fig. 7, in an embodiment, the high-temperature air flow inside the integrated machine is directly blown to the outside of the integrated machine through the vent hole, so as to achieve the effect of rapid heat dissipation.
The utility model is not a matter of the known technology.
The technical features of the above embodiments may be arbitrarily combined, and for brevity, all of the possible combinations of the technical features of the above embodiments are not described, however, as long as there is no contradiction between the combinations of the technical features, they should be regarded as the scope of loading of the present specification.
The above examples merely represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.
Claims (7)
1. The dustproof, waterproof and electromagnetic interference resistant ventilation and heat dissipation integrated machine comprises a machine shell, a display screen and a main board, wherein the display screen and the main board are arranged in the machine shell, the machine shell comprises a surface shell and a bottom shell, and the machine shell is characterized in that a circle of conductive rubber strips are arranged between the butt joint surfaces of the surface shell and the bottom shell, a display frame corresponding to the display screen is arranged on the surface shell, a first dustproof, waterproof and electromagnetic interference resistant structure is arranged in the display frame, and a second dustproof, waterproof and electromagnetic interference resistant structure is arranged on the bottom shell;
the first dustproof, waterproof and electromagnetic interference resistant structure comprises ITO shielding glass, wherein the inner surface and the outer surface of the ITO shielding glass are both plated with a layer of electromagnetic wave input resistant film, and the display screen is positioned in a shell behind the ITO shielding glass;
the bottom shell is provided with a bottom plate, a first cavity for accommodating the main board and the display screen is formed by the front side of the bottom plate and the peripheral side plate of the front side of the bottom plate, and a mounting groove for mounting a second dustproof, waterproof and anti-electromagnetic interference structure is formed by the back side of the bottom plate and the peripheral side plate of the back side of the bottom plate;
the bottom plate is provided with a plurality of vent holes, the second dustproof and waterproof anti-electromagnetic interference structure comprises a wave-absorbing material net, a wave-absorbing material pressing plate, a metal shielding net and a metal shielding net pressing plate which are paved from inside to outside in sequence, and the positions, corresponding to the vent holes on the bottom shell, of the wave-absorbing material pressing plate and the metal shielding net pressing plate are provided with vent holes which are communicated with each other.
2. The dustproof, waterproof and electromagnetic interference resistant ventilation and heat dissipation integrated machine according to claim 1, wherein a circle of conductive silica gel pad is arranged between the butt joint surface of the ITO shielding glass and the display frame.
3. The dustproof, waterproof and electromagnetic interference resistant ventilation and heat dissipation all-in-one machine according to claim 2, wherein conductive foam with a certain thickness is arranged between the butt joint surfaces of the ITO shielding glass and the display screen.
4. The dustproof, waterproof and electromagnetic interference resistant ventilation and heat dissipation all-in-one machine according to claim 1, wherein waterproof sound-transmitting film mounting grooves are formed in the inner wall of each vent hole in the metal shielding net pressing plate, and waterproof sound-transmitting films are mounted in each vent hole in the metal shielding net pressing plate through the waterproof sound-transmitting film mounting grooves, so that external dust and water vapor are prevented from entering the all-in-one machine from each vent hole in the metal shielding net pressing plate.
5. The dustproof, waterproof and electromagnetic interference resistant ventilating and heat dissipating all-in-one machine according to any one of claims 1 to 4, wherein the second dustproof, waterproof and electromagnetic interference resistant structure further comprises a plurality of wind guide baffles, the wind guide plates are arranged at the outermost sides, and wind guide holes communicated with the ventilating holes on the bottom plate are formed between adjacent wind guide baffles.
6. The dustproof, waterproof and electromagnetic interference resistant ventilation and heat dissipation integrated machine according to claim 5, wherein the air guide hole is a variable-section air guide hole, and the aperture of the air guide hole is continuously reduced from inside to outside.
7. The dustproof, waterproof and electromagnetic interference resistant ventilation and heat dissipation integrated machine according to claim 5, wherein the wave-absorbing material net, the wave-absorbing material net pressing plate, the metal shielding net and the metal shielding net pressing plate are fixedly installed on the bottom shell together through a plurality of screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321566253.6U CN220493411U (en) | 2023-06-19 | 2023-06-19 | Dustproof waterproof anti-electromagnetic interference ventilation and heat dissipation all-in-one machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321566253.6U CN220493411U (en) | 2023-06-19 | 2023-06-19 | Dustproof waterproof anti-electromagnetic interference ventilation and heat dissipation all-in-one machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220493411U true CN220493411U (en) | 2024-02-13 |
Family
ID=89827980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321566253.6U Active CN220493411U (en) | 2023-06-19 | 2023-06-19 | Dustproof waterproof anti-electromagnetic interference ventilation and heat dissipation all-in-one machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220493411U (en) |
-
2023
- 2023-06-19 CN CN202321566253.6U patent/CN220493411U/en active Active
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