CN210328119U - Dust protected circuit board for stereo set - Google Patents
Dust protected circuit board for stereo set Download PDFInfo
- Publication number
- CN210328119U CN210328119U CN201920902829.9U CN201920902829U CN210328119U CN 210328119 U CN210328119 U CN 210328119U CN 201920902829 U CN201920902829 U CN 201920902829U CN 210328119 U CN210328119 U CN 210328119U
- Authority
- CN
- China
- Prior art keywords
- heat dissipation
- circuit board
- box body
- dustproof
- horizontal plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000428 dust Substances 0.000 title claims description 11
- 230000017525 heat dissipation Effects 0.000 claims abstract description 68
- 238000009434 installation Methods 0.000 claims abstract description 15
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 230000035939 shock Effects 0.000 description 6
- 239000003381 stabilizer Substances 0.000 description 4
- 125000003003 spiro group Chemical group 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a dustproof circuit board for a sound box, which comprises an installation box body, a circuit board and a box cover, the mounting box body and the box cover are fixed in a screwed connection mode, four press riveting stud cylinders which are riveted with the circuit board are symmetrically arranged on the front and the back of the inner side of the concave surface groove on the mounting box body, the concave groove is internally provided with a heat dissipation device positioned at the inner sides of the four press riveting stud cylinders, the heat dissipation device comprises a heat dissipation horizontal plate, two heat dissipation vertical plates which are arranged at the bottom of the heat dissipation horizontal plate and are arranged symmetrically left and right, and heat dissipation fins which are respectively fixedly arranged at the outer side surfaces of the two heat dissipation vertical plates, a heat dissipation channel is arranged between the two heat dissipation vertical plates, the heat dissipation device is characterized in that a heat conduction gasket is bonded between the heat dissipation horizontal plate and the circuit board, a heat dissipation fan is respectively screwed in two convex-shaped fixing grooves on the front side and the rear side of the installation box body, and a dustproof net is fixedly clamped on the outer side of the heat dissipation fan and located on the inner side of the convex-shaped fixing grooves. The utility model discloses it is good and dustproof effectual to the radiating effect of circuit board.
Description
Technical Field
The utility model belongs to the technical field of the stereo set circuit board, concretely relates to dust protected circuit board for stereo set.
Background
The stereo set circuit board of prior art installs resistance, electric capacity, inductance, diode, the single panel of triode power amplifier tube, the inside at the stereo set is installed to the circuit board, vibrations when in order to prevent the audio amplifier broadcast, need the installation of shock attenuation formula and fixed, the circuit board mounting structure of a lot of shock attenuation formulas appears in prior art, support and fix through the shock attenuation stabilizer blade, but this kind of mounting means is to the stereo set circuit board, not only the radiating effect is poor but also dustproof effect is general.
Therefore, we propose a dustproof circuit board for a sound box with good heat dissipation effect and good dustproof effect to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dust protected circuit board for stereo set to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a dustproof circuit board for a sound box comprises a mounting box body, a circuit board and a box cover, wherein the mounting box body and the box cover are fixed in a screwed mode, four press-riveting stud cylinders riveted with the circuit board are symmetrically arranged at the front and the back of the inner side of the concave groove on the mounting box body, the concave groove is internally provided with a heat dissipation device positioned at the inner sides of the four press riveting stud cylinders, the heat dissipation device comprises a heat dissipation horizontal plate, two heat dissipation vertical plates which are arranged at the bottom of the heat dissipation horizontal plate and are arranged symmetrically left and right, and heat dissipation fins which are respectively fixedly arranged at the outer side surfaces of the two heat dissipation vertical plates, a heat dissipation channel is arranged between the two heat dissipation vertical plates, the heat dissipation device is characterized in that a heat conduction gasket is bonded between the heat dissipation horizontal plate and the circuit board, a heat dissipation fan is respectively screwed in two convex-shaped fixing grooves on the front side and the rear side of the installation box body, and a dustproof net is fixedly clamped on the outer side of the heat dissipation fan and located on the inner side of the convex-shaped fixing grooves.
Preferably, the mounting box body is provided with a thread fixing groove corresponding to the thread fixing hole on the box cover.
Preferably, the front side and the rear side of the installation box body are symmetrically provided with two installation panels, and installation holes are formed in the installation panels.
This setting can be through the mounting hole on the installation panel, fixes whole mounting structure on the shock attenuation stabilizer blade in the stereo set casing, and the ann changes fixedly convenient.
Preferably, the two heat dissipation fans are respectively arranged symmetrically with the heat dissipation channel.
Preferably, the bottom surface of the radiating riser is flush with the bottom surface of the bottommost radiating fin.
Preferably, the outer side surfaces of the radiating fins are flush with the outer side surface of the radiating horizontal plate.
The utility model discloses a technological effect and advantage: this dust protected circuit board for stereo set, pass through the heat conduction liner with heat abstractor and circuit board bonding back, place heat abstractor and circuit board in the concave surface inslot, rivet the screw with the circuit board spiro union on the stud section of thick bamboo is riveted to the pressure through the pressure, install after the lid through the mounting hole on the mounting panel with whole mounting structure fix on the shock attenuation stabilizer blade in the stereo set, not only fixed convenient to the circuit board, the heat conduction liner sets up the heat transfer effectual, heat abstractor cooperation heat dissipation fan dispels the heat to the circuit board, the radiating effect is good, box body structure cooperation dust screen is good to the dustproof of circuit board.
Drawings
Fig. 1 is a top view of the present invention;
FIG. 2 is a top view of the mounting box of the present invention;
fig. 3 is a front view of the heat dissipation device of the present invention.
In the figure: 1. installing a box body; 2. a circuit board; 3. a box cover; 4. a threaded fixing hole; 5. a concave groove; 6. pressing and riveting the stud barrel; 7. a thread fixing groove; 8. a heat sink; 9. a heat dissipation horizontal plate; 10. a heat dissipation vertical plate; 11. a heat dissipating fin; 12. a heat dissipation channel; 13. a thermally conductive pad; 14. a convex-shaped fixing groove; 15. a heat dissipation fan; 16. a dust screen; 17. installing a panel; 18. and (7) installing holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a dustproof circuit board for sound equipment as shown in figures 1-3, which comprises a mounting box body 1, a circuit board 2 and a box cover 3, wherein the mounting box body 1 is fixed with the box cover 3 through screw connection, four riveting stud cylinders 6 riveted with the circuit board 2 are symmetrically arranged at the front and back of the inner side of a concave groove 5 on the mounting box body 1, a heat dissipation device 8 is arranged in the concave groove 5 and positioned at the inner side of the four riveting stud cylinders 6, the heat dissipation device 8 comprises a heat dissipation horizontal plate 9, two heat dissipation vertical plates 10 which are arranged at the bottom of the heat dissipation horizontal plate 9 and are arranged in bilateral symmetry, and heat dissipation fins 11 which are respectively fixed at the outer side surfaces of the two heat dissipation vertical plates 10, a heat dissipation channel 12 is arranged between the two heat dissipation vertical plates 10, a heat conduction gasket 13 is bonded between the heat dissipation horizontal plate 9 and the circuit board 2, heat dissipation fans 15 are respectively screwed in two convex fixing grooves, the outer side surface of the heat dissipation fan 15 is fixedly clamped with a dust screen 16 at the inner side of the convex-shaped fixing groove 14.
Specifically, the mounting box body 1 is provided with a thread fixing groove 7 corresponding to the thread fixing hole 4 on the box cover 3.
Specifically, two installation panels 17 are symmetrically arranged on the front side and the rear side of the installation box body 1, and installation holes 18 are formed in the installation panels 17.
Specifically, the two heat dissipation fans 15 are respectively arranged symmetrically with the heat dissipation channel 12.
Specifically, the bottom surface of the vertical heat dissipating plate 10 is flush with the bottom surface of the bottommost heat dissipating fin 11.
Specifically, the outer side surfaces of the heat dissipation fins 11 are flush with the outer side surface of the heat dissipation horizontal plate 9.
Specifically, the installation box body 1, the box cover 3, the heat dissipation horizontal plate 9 and the two heat dissipation vertical plates 10 are all aluminum structures.
This dust protected circuit board for stereo set, bond back heat abstractor 8 with circuit board 2 through heat conduction liner 13, place heat abstractor 8 and circuit board 2 in concave surface groove 5, rivet the screw with circuit board 2 spiro union on the pressure riveting column casing 6 through the pressure, install behind the lid 3 through mounting hole 18 on the mounting panel 17 fix whole mounting structure on the shock attenuation stabilizer blade in the stereo set, not only fixed convenience to the circuit board, heat conduction liner 13 sets up the heat transfer effectual, heat abstractor 8 cooperation heat dissipation fan 15 dispels the heat to circuit board 2, the radiating effect is good, box body structure cooperation dust screen 16 is effectual to the dustproof of circuit board 2.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a dust protected circuit board for stereo set, includes installation box body (1), circuit board (2) and lid (3), its characterized in that: the mounting box body (1) and the box cover (3) are fixed in a screwed manner, four press riveting stud cylinders (6) riveted with the circuit board (2) are symmetrically arranged on the front and back of the inner side of a concave groove (5) on the mounting box body (1), heat dissipation devices (8) are arranged in the concave groove (5) and positioned on the inner sides of the four press riveting stud cylinders (6), each heat dissipation device (8) comprises a heat dissipation horizontal plate (9), two heat dissipation vertical plates (10) which are arranged at the bottom of the heat dissipation horizontal plate (9) and are arranged in a bilateral symmetry manner, and heat dissipation fins (11) which are respectively fixedly arranged on the outer side surfaces of the two heat dissipation vertical plates (10), a heat dissipation channel (12) is arranged between the two heat dissipation vertical plates (10), a heat conduction gasket (13) is bonded between the heat dissipation horizontal plate (9) and the circuit board (2), and heat dissipation fans (15) are respectively screwed in two convex fixing grooves (14) on the, the outer side surface of the heat dissipation fan (15) is fixedly clamped with a dustproof net (16) on the inner side of the convex-shaped fixing groove (14).
2. The dustproof circuit board for a sound box according to claim 1, wherein: and a thread fixing groove (7) corresponding to the thread fixing hole (4) on the box cover (3) is arranged on the mounting box body (1).
3. The dustproof circuit board for a sound box according to claim 1, wherein: the front side and the rear side of the mounting box body (1) are symmetrically provided with two mounting panels (17), and mounting holes (18) are formed in the mounting panels (17).
4. The dustproof circuit board for a sound box according to claim 1, wherein: the two heat dissipation fans (15) are respectively arranged symmetrically with the heat dissipation channel (12).
5. The dustproof circuit board for a sound box according to claim 1, wherein: the bottom surface of the radiating vertical plate (10) is flush with the bottom surface of the bottommost radiating fin (11).
6. The dustproof circuit board for a sound box according to claim 1, wherein: the outer side surfaces of the radiating fins (11) are flush with the outer side surface of the radiating horizontal plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920902829.9U CN210328119U (en) | 2019-06-17 | 2019-06-17 | Dust protected circuit board for stereo set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920902829.9U CN210328119U (en) | 2019-06-17 | 2019-06-17 | Dust protected circuit board for stereo set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210328119U true CN210328119U (en) | 2020-04-14 |
Family
ID=70144271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920902829.9U Expired - Fee Related CN210328119U (en) | 2019-06-17 | 2019-06-17 | Dust protected circuit board for stereo set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210328119U (en) |
-
2019
- 2019-06-17 CN CN201920902829.9U patent/CN210328119U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200414 |