CN215871674U - Heat dissipation type digital television set top box plastic shell - Google Patents
Heat dissipation type digital television set top box plastic shell Download PDFInfo
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- CN215871674U CN215871674U CN202122291911.2U CN202122291911U CN215871674U CN 215871674 U CN215871674 U CN 215871674U CN 202122291911 U CN202122291911 U CN 202122291911U CN 215871674 U CN215871674 U CN 215871674U
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- box body
- circuit board
- heat dissipation
- silicone grease
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Abstract
The utility model relates to the technical field of set-top boxes, in particular to a heat-dissipation type digital television set-top box plastic shell which comprises a box body and a cover body, wherein the cover body is covered on the box body; the circuit board mounting structure comprises a box body, and is characterized in that a mounting cavity is arranged in the box body, bottom heat-conducting silicone grease is arranged at the bottom in the mounting cavity, side wall heat-conducting silicone grease is arranged on one side wall in the mounting cavity, and a side pressure assembly is arranged on the other side wall in the mounting cavity and is used for pressing a circuit board; the bottom wall of box body is arranged in a row and is provided with a plurality of first heat dissipation recesses at equal intervals, the box body with an lateral wall that lateral wall heat conduction silicone grease corresponds is arranged in a row and is provided with a plurality of second heat dissipation recesses at equal intervals. On one hand, the heat conducting silicone grease at the bottom and the heat conducting silicone grease at the side wall can be used for conducting heat and radiating heat to the circuit board, on the other hand, the side pressure assembly is used for limiting and fixing the circuit board, so that the abrasion caused by fixing the circuit board by the traditional screw is reduced, and the structure is reliable; the heat dissipation effect is improved.
Description
Technical Field
The utility model relates to the technical field of set-top boxes, in particular to a heat-dissipation type digital television set-top box plastic shell.
Background
At present, a shell of a set-top box is usually made of a plastic material, and then a circuit board and components are assembled in the shell, and because electronic components such as the circuit board and a chip generate a large amount of heat during working, the shell of the set-top box is still naturally cooled in the using process, and the heat dissipation efficiency is low; in addition, the circuit board is fixed by screws when being installed, so that the circuit board is easily damaged.
Disclosure of Invention
The utility model provides a heat dissipation type digital television set top box plastic shell aiming at the problems in the prior art, on one hand, the heat conduction and heat dissipation of a circuit board can be well realized by utilizing bottom heat conduction silicone grease and side wall heat conduction silicone grease, on the other hand, the side pressure assembly is used for limiting and fixing the circuit board, the abrasion caused by fixing the circuit board by the traditional screw is reduced, and the structure is reliable; furthermore, still be provided with first heat dissipation recess and second heat dissipation recess, make things convenient for the circulation of air to take away the heat, improve the radiating effect.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a heat dissipation type digital television set top box plastic shell which comprises a box body and a cover body, wherein the cover body is covered on the box body; the circuit board mounting structure comprises a box body, and is characterized in that a mounting cavity is arranged in the box body, bottom heat-conducting silicone grease is arranged at the bottom in the mounting cavity, side wall heat-conducting silicone grease is arranged on one side wall in the mounting cavity, and a side pressure assembly is arranged on the other side wall in the mounting cavity and is used for pressing a circuit board; the bottom wall of box body is arranged in a row and is provided with a plurality of first heat dissipation recesses at equal intervals, the box body with an lateral wall that lateral wall heat conduction silicone grease corresponds is arranged in a row and is provided with a plurality of second heat dissipation recesses at equal intervals.
Wherein, the side pressure subassembly includes side briquetting, compression spring and two location travelers, and two location travelers are transversely installed on another lateral wall of installation intracavity, the side briquetting slides and sets up in the traveller of location, the side briquetting is close to the one end of location traveller is provided with and cooperates gliding location slide opening with the location traveller, compression spring's both ends connect respectively in another lateral wall of installation intracavity and the side briquetting.
Vertical rods are arranged on two sides of the bottom of the cover body, and anti-falling convex blocks are convexly arranged on the outer side walls of the vertical rods; the top of the inner wall of the box body is provided with an L-shaped groove matched and clamped with the anti-falling lug.
The cover body is provided with a plurality of radiating air holes in a penetrating mode, a fan main body is arranged in the cover body, and one side of the fan main body is connected with a charging socket through a wire.
The material of the box body and the material of the cover body are both fireproof plastic or explosion-proof plastic.
The utility model has the beneficial effects that:
the side pressure assembly is used for limiting and fixing the circuit board, so that the abrasion caused by the traditional screw fixing of the circuit board is reduced, and the structure is reliable; furthermore, still be provided with first heat dissipation recess and second heat dissipation recess, make things convenient for the circulation of air to take away the heat, improve the radiating effect.
Drawings
Fig. 1 is a schematic structural diagram of a heat dissipation type digital television set top box plastic shell according to the present invention.
Fig. 2 is a schematic structural diagram of the cover of the present invention.
Fig. 3 is an enlarged view of a point a in fig. 1.
The reference numerals in fig. 1 to 3 include:
1. a box body; 2. a cover body; 3. a mounting cavity; 4. bottom heat-conducting silicone grease; 5. side wall heat conduction silicone grease; 6. a lateral pressure component; 7. a circuit board; 8. a first heat dissipation groove; 9. a second heat dissipation groove; 10. side pressing blocks; 11. a compression spring; 12. positioning a sliding column; 13. positioning a slide hole; 14. a vertical rod; 15. an anti-drop bump; 16. an L-shaped groove; 17. a heat dissipation air hole; 18. a fan main body; 19. a charging jack; 20. and (4) conducting wires.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention is described in detail below with reference to the attached drawings.
A heat dissipation type digital television set top box plastic shell is shown in figures 1 to 3 and comprises a box body 1 and a cover body 2 covering the box body 1; a mounting cavity 3 is arranged in the box body 1, bottom heat-conducting silicone grease 4 is arranged at the bottom in the mounting cavity 3, side wall heat-conducting silicone grease 5 is arranged on one side wall in the mounting cavity 3, a side pressure assembly 6 is arranged on the other side wall in the mounting cavity 3, and the side pressure assembly 6 is used for pressing a circuit board 7; a plurality of first heat dissipation grooves 8 are formed in the bottom wall of the box body 1 in a row at equal intervals, and a plurality of second heat dissipation grooves 9 are formed in the box body 1 and the outer side wall corresponding to the side wall heat conduction silicone grease 5 in a row at equal intervals. Specifically, the structure of the utility model is novel, the design is ingenious, when the circuit board 7 of the set-top box is mounted, the circuit board 7 is placed on the bottom heat-conducting silicone grease 4, then the circuit board 7 is pressed and propped by the side pressure component 6, one side wall of the circuit board 7 is pressed and propped against the side wall heat-conducting silicone grease 5, so that the circuit board 7 is limited between the side pressure component 6 and the side wall heat-conducting silicone grease 5, on one hand, the circuit board 7 can be well conducted heat conduction and heat dissipation by the bottom heat-conducting silicone grease 4 and the side wall heat-conducting silicone grease 5, on the other hand, the side pressure component 6 limits and fixes the circuit board 7, the abrasion caused by fixing the circuit board 7 by traditional screws is reduced, and the structure is reliable; furthermore, still be provided with first heat dissipation recess 8 and second heat dissipation recess 9, make things convenient for the circulation of air to take away the heat, improve the radiating effect.
In this embodiment, the side pressure assembly 6 includes a side pressure block 10, a compression spring 11 and two positioning sliding pillars 12, the two positioning sliding pillars 12 are transversely installed on the other side wall in the installation cavity 3, the side pressure block 10 is slidably installed on the positioning sliding pillars 12, one end of the side pressure block 10 close to the positioning sliding pillars 12 is provided with a positioning sliding hole 13 which is matched with the positioning sliding pillars 12 for sliding, and two ends of the compression spring 11 are respectively connected to the other side wall and the side pressure block 10 in the installation cavity 3. Specifically, when installing circuit board 7 of STB to this installation cavity 3 in, operating personnel extrudees this side briquetting 10 for compression spring 11 compresses, places circuit board 7 on bottom heat conduction silicone grease 4, then unclamps side briquetting 10, compression spring 11 resets and extends, promotes side briquetting 10 and extrudes circuit board 7, makes circuit board 7 top lean on between side briquetting 10 and lateral wall heat conduction silicone grease 5, fix a position circuit board 7, and stability is good, reduces the wearing and tearing of screw to circuit board 7, and the structure is reliable.
In this embodiment, both sides of the bottom of the cover body 2 are provided with vertical rods 14, and the outer side wall of each vertical rod 14 is convexly provided with an anti-falling lug 15; the top of the inner wall of the box body 1 is provided with an L-shaped groove 16 which is matched and clamped with the anti-falling lug 15. Specifically, when box body 1 and lid 2 need the equipment, insert the anticreep lug 15 of montant 14 lower extreme from the vertical groove of L type recess 16, then lateral shifting lid 2 again for anticreep lug 15 slides in to its end along the horizontal groove of L type recess 16, the horizontal groove part of L type recess 16 is spacing to anticreep lug 15, prevent that lid 2 from droing, when lid 2 is pulled down to needs, only need promote anticreep lug 15 and release the horizontal groove, can take off lid 2, convenient change.
In this embodiment, a plurality of heat dissipation air holes 17 are formed through the cover 2, a fan main body 18 is installed in the cover 2, and a charging socket 19 is connected to one side of the fan main body 18 through a wire 20. Specifically, fan main part 18 cooperation heat dissipation wind hole 17 can dispel the heat to the heat that circuit board 7 in the installation cavity 3 produced, novel structure to utilize charging socket 19 can charge fan main part 18 at any time, use nimble, convenient, make lid 2 similar to present handheld fan.
In this embodiment, the material of the box body 1 and the material of the cover body 2 are both fireproof plastic or explosion-proof plastic. Specifically, the above arrangement has the effects of fire prevention and explosion prevention, and the structure is reliable.
Although the present invention has been described with reference to the above preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (5)
1. The utility model provides a heat dissipation type digital television STB plastic casing which characterized in that: comprises a box body and a cover body which is arranged on the box body in a covering way; the circuit board mounting structure comprises a box body, and is characterized in that a mounting cavity is arranged in the box body, bottom heat-conducting silicone grease is arranged at the bottom in the mounting cavity, side wall heat-conducting silicone grease is arranged on one side wall in the mounting cavity, and a side pressure assembly is arranged on the other side wall in the mounting cavity and is used for pressing a circuit board; the bottom wall of box body is arranged in a row and is provided with a plurality of first heat dissipation recesses at equal intervals, the box body with an lateral wall that lateral wall heat conduction silicone grease corresponds is arranged in a row and is provided with a plurality of second heat dissipation recesses at equal intervals.
2. The heat dissipating plastic housing for a digital television set-top box according to claim 1, wherein: the side pressure subassembly includes side briquetting, compression spring and two location travelers, and two location travelers are transversely installed on another lateral wall of installation intracavity, the side briquetting slides and sets up in the traveller of location, the side briquetting is close to the one end of location traveller is provided with and cooperates gliding location slide opening with the location traveller, compression spring's both ends connect respectively in another lateral wall of installation intracavity and the side briquetting.
3. The heat dissipating plastic housing for a digital television set-top box according to claim 1, wherein: vertical rods are arranged on two sides of the bottom of the cover body, and anti-falling convex blocks are convexly arranged on the outer side walls of the vertical rods; the top of the inner wall of the box body is provided with an L-shaped groove matched and clamped with the anti-falling lug.
4. The heat dissipating plastic housing for a digital television set-top box according to claim 1, wherein: the cover body is provided with a plurality of radiating air holes in a penetrating mode, a fan main body is arranged in the cover body, and one side of the fan main body is connected with a charging socket through a wire.
5. The heat dissipating plastic housing for a digital television set-top box according to claim 1, wherein: the material of box body and the material of lid is fire prevention plastic or explosion-proof plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122291911.2U CN215871674U (en) | 2021-09-22 | 2021-09-22 | Heat dissipation type digital television set top box plastic shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122291911.2U CN215871674U (en) | 2021-09-22 | 2021-09-22 | Heat dissipation type digital television set top box plastic shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215871674U true CN215871674U (en) | 2022-02-18 |
Family
ID=80255471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122291911.2U Active CN215871674U (en) | 2021-09-22 | 2021-09-22 | Heat dissipation type digital television set top box plastic shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215871674U (en) |
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2021
- 2021-09-22 CN CN202122291911.2U patent/CN215871674U/en active Active
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