CN216795366U - A jam-proof PCB circuit board for stereo set - Google Patents
A jam-proof PCB circuit board for stereo set Download PDFInfo
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- CN216795366U CN216795366U CN202123343993.7U CN202123343993U CN216795366U CN 216795366 U CN216795366 U CN 216795366U CN 202123343993 U CN202123343993 U CN 202123343993U CN 216795366 U CN216795366 U CN 216795366U
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Abstract
The utility model relates to the technical field of PCB circuit boards, in particular to an anti-interference PCB circuit board for a sound device, wherein a protective shell is composed of a first metal net, a heat exchange layer and a first insulating layer, the heat exchange layer is positioned on the inner side of the first metal net, the first insulating layer is positioned on the inner side of the heat exchange layer, radiating holes are formed in the upper side and the lower side of the protective shell, a PCB circuit board assembly comprises a PCB circuit board main body, a second metal net is arranged on the outer side of the PCB circuit board main body, a second insulating layer is arranged on the outer side of the second metal net, and a PCB circuit board wiring terminal is arranged at one end of the upper side of the PCB circuit board main body. According to the utility model, the PCB is isolated through the first metal net and the second metal net, the PCB is isolated in all directions, the protection shell and the second insulating layer play a role in protecting the PCB, and the PCB is prevented from being damaged in the using process.
Description
Technical Field
The utility model relates to the technical field of PCB circuit boards, in particular to an anti-interference PCB circuit board for a sound box.
Background
The printed circuit board, also known as a printed circuit board, is a provider of electrical connection of electronic components, is a support member of the electronic components and a carrier of the electrical connection, and is widely used in electronic products.
Chinese patent discloses an anti-electromagnetic interference's PCB circuit board, (grant publication number CN209949551U), this patent technology can effectively reduce electromagnetic interference through setting up "squirrel cage" formula metallic structure, promote signal quality and interference killing feature, increase the pleasing to the eye degree of circuit board and distinguish the degree, solve the electromagnetic interference problem of electronic product, improve the green standard of product, however, above-mentioned device places the PCB circuit board and carries out the jam-proof to jam-proof component upside, can only completely cut off the interference of downside to the PCB circuit board, the effect of jam-proof is not good, general PCB circuit board does not have protective structure, damage the PCB circuit board easily in the use, be unfavorable for the life of PCB circuit board. Accordingly, a person skilled in the art provides a tamper-proof PCB for a sound device to solve the problems set forth in the above background art.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a PCB for audio devices to solve the above problems.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides an jam-proof PCB circuit board for stereo set, includes protective housing and PCB circuit board subassembly, PCB circuit board unit mount is in protective housing's internal position department, protective housing comprises first metal mesh, heat transfer layer and first insulation layer, the heat transfer layer is located the inboard of first metal mesh, the first insulation layer is located the inboard of heat transfer layer, protective housing's upper and lower side all is provided with the louvre, PCB circuit board subassembly includes PCB circuit board main part, the outside of PCB circuit board main part is provided with the second metal mesh, the outside of second metal mesh is provided with the second insulation layer, the upside one end of PCB circuit board main part is provided with PCB circuit board wiring end cover, protective housing's upside is located the top position department of PCB circuit board wiring end and is provided with PCB circuit board wiring end cover.
As a still further scheme of the utility model: the utility model discloses a protective housing's fixing device, including protective housing's inboard front and back position department, the spout has all been seted up to the front and back side position department of second insulating layer, the upside of second insulating layer is controlled position department and all is provided with the fixed orifices, set screw is all installed to the position department that protective housing's upside corresponds the fixed orifices.
As a still further scheme of the utility model: the PCB circuit board assembly slides in the inner position of the protective shell, the PCB circuit board wiring end cover is clamped at the upper side position of the wiring end of the PCB circuit board, and the PCB circuit board main body is fixed at the inner side position of the second insulating layer through the second metal mesh.
As a still further scheme of the utility model: the lower end of the fixing screw penetrates through the protective shell and rotates in the inner position of the fixing hole, and the PCB circuit board assembly is fixed in the protective shell through the fixing screw and the fixing hole.
As a still further scheme of the utility model: the sliding groove slides on the outer surface of the sliding strip, and the second insulating layer slides on the inner position of the protective shell through the sliding groove and the sliding strip.
Compared with the prior art, the utility model has the beneficial effects that: according to the anti-interference PCB circuit board for the sound box, the PCB circuit board is isolated through the first metal net and the second metal net, the PCB circuit board is prevented from being interfered, the PCB circuit board is isolated in all directions, the anti-interference efficiency is good, the protective shell and the second insulating layer play a role in protecting the PCB circuit board, the PCB circuit board is prevented from being damaged in the using process, and the service life of the PCB circuit board is prolonged.
Drawings
Fig. 1 is a schematic structural view of an interference-proof PCB circuit board for a sound;
fig. 2 is a schematic structural view of a protective case in a tamper-proof PCB for a sound;
fig. 3 is a schematic structural view of a portion a of fig. 2 of a tamper-proof PCB circuit board for a sound;
fig. 4 is a schematic structural view of a PCB circuit board assembly in an interference-proof PCB circuit board for a speaker.
In the figure: 1. a protective housing; 2. a PCB circuit board assembly; 3. heat dissipation holes; 4. a first metal mesh; 5. a heat exchange layer; 6. a first insulating layer; 7. a PCB circuit board main body; 8. a second metal mesh; 9. a second insulating layer; 10. a PCB wiring terminal; 11. a PCB wiring end cover; 12. a slide bar; 13. a chute; 14. a set screw; 15. and (7) fixing holes.
Detailed Description
Referring to fig. 1 to 4, in the embodiment of the present invention, an anti-interference PCB for a sound device includes a protective casing 1 and a PCB circuit board assembly 2, the PCB circuit board assembly 2 is mounted at an inner position of the protective casing 1, the protective casing 1 is composed of a first metal mesh 4, a heat exchange layer 5 and a first insulating layer 6, the heat exchange layer 5 is located at an inner side of the first metal mesh 4, the first insulating layer 6 is located at an inner side of the heat exchange layer 5, heat dissipation holes 3 are respectively formed at upper and lower sides of the protective casing 1, the PCB circuit board assembly 2 includes a PCB circuit board main body 7, a second metal mesh 8 is formed at an outer side of the PCB circuit board main body 7, a second insulating layer 9 is formed at an outer side of the second metal mesh 8, a PCB circuit board terminal 10 is formed at an upper end of the PCB circuit board main body 7, a PCB circuit board terminal cover 11 is formed at a position of an upper side of the protective casing 1, which is located above the PCB circuit board terminal 10, the PCB circuit board assembly 2 slides in the inner position of the protective shell 1, the PCB circuit board wiring end cover 11 is clamped in the upper side position of the PCB circuit board wiring end 10, the PCB circuit board main body 7 is fixed in the inner side position of the second insulating layer 9 through the second metal mesh 8, firstly, the device is taken out, the second metal mesh 8 is installed on the outer side of the PCB circuit board main body 7, the second insulating layer 9 is installed on the outer side of the second metal mesh 8, the PCB circuit board assembly 2 slides in the protective shell 1 through the second insulating layer 9, the PCB circuit board assembly 2 is fixed in the protective shell 1, then, the loudspeaker wire is connected into the PCB circuit board wiring end 10 for use, the PCB circuit board main body 7 controls the sound operation in the use process, the second metal mesh 8 and the first metal mesh 4 isolate the external interference, the first insulating layer 6 and the second insulating layer 9 insulate the PCB circuit board main body 7, the heat exchange layer 5 exchanges heat generated by the PCB circuit board body 7 and is dissipated through the heat dissipation holes 3.
In fig. 2, 4: the front and rear ends of the inner side of the protective shell 1 are respectively provided with a slide bar 12, the front and rear ends of the second insulating layer 9 are respectively provided with a slide groove 13, the left and right ends of the upper side of the second insulating layer 9 are respectively provided with a fixing hole 15, the upper side of the protective shell 1 is respectively provided with a fixing screw 14 corresponding to the position of the fixing hole 15, the lower end of the fixing screw 14 penetrates through the protective shell 1 and rotates at the inner position of the fixing hole 15, the PCB circuit board assembly 2 is fixed in the protective shell 1 through the fixing screw 14 and the fixing hole 15, the slide groove 13 slides at the outer surface position of the slide bar 12, the second insulating layer 9 slides at the inner position of the protective shell 1 through the slide groove 13 and the slide bar 12, the PCB circuit board assembly 2 slides into the inner part of the outer surface protective shell 1 of the slide bar 12 through the slide grooves 13 at the front and rear sides of the second insulating layer 9, the fixing screw 14 rotates, the lower end of the fixing screw 14 rotates to the fixing hole 15, the PCB board assembly 2 is fixed to the inside of the shield case 1.
The working principle of the utility model is as follows: firstly, the device is taken out, a second metal net 8 is installed on the outer side of a PCB circuit board main body 7, a second insulating layer 9 is installed on the outer side of the second metal net 8, a PCB circuit board assembly 2 slides into the inner part of an outer surface protection shell 1 of a slide bar 12 through sliding grooves 13 on the front side and the rear side of the second insulating layer 9, a fixing screw 14 is rotated, the lower end of the fixing screw 14 is rotated into a fixing hole 15, the PCB circuit board assembly 2 is fixed into the inner part of the protection shell 1, then, the loudspeaker wire is connected into a PCB circuit board wiring terminal 10 when the device is used, the PCB circuit board main body 7 controls the sound operation when the device is used, the second metal net 8 and the first metal net 4 isolate external interference, the first insulating layer 6 and the second insulating layer 9 insulate the PCB circuit board main body 7, and a heat dissipation hole 5 replaces heat generated by the PCB circuit board main body 7 and dissipates through the heat dissipation hole 3.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.
Claims (5)
1. A PCB circuit board for sound equipment, which comprises a protective shell (1) and a PCB circuit board assembly (2), wherein the PCB circuit board assembly (2) is arranged at the inner position of the protective shell (1), and is characterized in that the protective shell (1) is composed of a first metal mesh (4), a heat exchange layer (5) and a first insulating layer (6), the heat exchange layer (5) is positioned at the inner side of the first metal mesh (4), the first insulating layer (6) is positioned at the inner side of the heat exchange layer (5), heat dissipation holes (3) are arranged at the upper side and the lower side of the protective shell (1), the PCB circuit board assembly (2) comprises a PCB circuit board main body (7), a second metal mesh (8) is arranged at the outer side of the PCB circuit board main body (7), a second insulating layer (9) is arranged at the outer side of the second metal mesh (8), and a PCB wiring terminal (10) is arranged at one end of the upper side of the PCB circuit board main body (7), the upper side of the protective shell (1) is provided with a PCB wiring end cover (11) above the PCB wiring end (10).
2. The PCB for preventing the sound interference of claim 1, wherein the protective casing (1) is provided with slide bars (12) at the front and rear inner ends, the second insulating layer (9) is provided with slide grooves (13) at the front and rear ends, the second insulating layer (9) is provided with fixing holes (15) at the left and right upper ends, and the protective casing (1) is provided with fixing screws (14) at the positions corresponding to the fixing holes (15).
3. The PCB for sound box of claim 1, wherein the PCB circuit board assembly (2) is slid at an inner position of the protective casing (1), the PCB circuit board terminal cover (11) is engaged at an upper position of the PCB circuit board terminal (10), and the PCB circuit board main body (7) is fixed at an inner position of the second insulating layer (9) through the second metal mesh (8).
4. The PCB for sound box of claim 2, wherein the lower end of the fixing screw (14) is rotated to the inner position of the fixing hole (15) through the protection casing (1), and the PCB circuit board assembly (2) is fixed to the inner part of the protection casing (1) through the fixing screw (14) and the fixing hole (15).
5. The PCB for sound box of claim 2, wherein the sliding groove (13) slides on the outer surface of the sliding bar (12), and the second insulation layer (9) slides on the inner position of the protective casing (1) through the sliding groove (13) and the sliding bar (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123343993.7U CN216795366U (en) | 2021-12-28 | 2021-12-28 | A jam-proof PCB circuit board for stereo set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123343993.7U CN216795366U (en) | 2021-12-28 | 2021-12-28 | A jam-proof PCB circuit board for stereo set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216795366U true CN216795366U (en) | 2022-06-21 |
Family
ID=82011092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123343993.7U Active CN216795366U (en) | 2021-12-28 | 2021-12-28 | A jam-proof PCB circuit board for stereo set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216795366U (en) |
-
2021
- 2021-12-28 CN CN202123343993.7U patent/CN216795366U/en active Active
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| GR01 | Patent grant | ||
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