CN214851959U - Waterproof circuit board - Google Patents
Waterproof circuit board Download PDFInfo
- Publication number
- CN214851959U CN214851959U CN202023154056.2U CN202023154056U CN214851959U CN 214851959 U CN214851959 U CN 214851959U CN 202023154056 U CN202023154056 U CN 202023154056U CN 214851959 U CN214851959 U CN 214851959U
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- circuit board
- board body
- surrounding edge
- cylinder
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Abstract
The invention relates to a waterproof circuit board, which comprises a circuit board body, wherein the top of the circuit board body is provided with a top plate, the bottom of the top plate is provided with a surrounding edge, the top of the top plate is provided with a cylinder, the top of the cylinder is provided with a protection plate, a fan is arranged in the cylinder, the side wall of the cylinder is also provided with an air outlet, the inner side wall of the surrounding edge is provided with a circle of support ring positioned above the circuit board body, the bottom of the circuit board body is provided with a fixed grid for fixing the circuit board body on the support ring, the top end surface of the fixed grid is provided with a flexible buffer layer, the inner side wall of the surrounding edge is also provided with a circle of fixing ring, the side wall of the surrounding edge below the fixing ring is provided with an air inlet, the surrounding edge below the air inlet is provided with an extrusion plate, the lower part of the extrusion plate is provided with an adsorption block, the top end of the extrusion plate is provided with a filter cylinder, the top end of the side wall of the filter cylinder is folded and positioned below the fixing ring, wherein the extrusion plate positioned outside the filter cartridge is provided with a U-shaped notch. The invention has simple structure and convenient use.
Description
Technical Field
The invention relates to the technical field of circuit boards, in particular to a waterproof circuit board.
Background
The circuit board can be called as a printed circuit board or a printed circuit board, wherein the traditional circuit board has no waterproof function, and when the circuit board is used, external water drops into the circuit board, so that the circuit board is easy to break down, even short circuit can occur, and other hardware is damaged.
In the prior art, the circuit board is improved in that the circuit board does not have a waterproof function, the waterproof board is additionally arranged outside the circuit board, but the waterproof board is of a sealing structure, so that the heat dissipation effect of the circuit board is greatly reduced, the temperature of the circuit board is increased, and the working performance of the circuit board is influenced.
Disclosure of Invention
The invention aims to provide a waterproof circuit board.
The technical problem of the invention is mainly solved by the following technical scheme:
a waterproof circuit board comprises a circuit board body, wherein a pot-shaped top plate is arranged at the top of the circuit board body, a circle of surrounding edge used for wrapping the circuit board body is arranged in the middle of the bottom of an opening of the top plate, a cylinder communicated with the opening of the surrounding edge is arranged at the top of the top plate, a pot-shaped protection plate is arranged at the top of the cylinder, a fan is further arranged in the cylinder, an air outlet is arranged on the side wall of the cylinder at the top of the fan, a circle of support ring is arranged on the inner side wall of the surrounding edge, the circuit board body is positioned below the support ring, vent holes are uniformly formed in the circuit board body, a fixed grid is further arranged at the bottom of the circuit board body, a flexible buffer layer is arranged on the top end face of the fixed grid, mounting holes are formed in the intersections of the side wall of the fixed grid positioned right below the support ring, and bolts connected with the support ring in a screwed mode are arranged in the mounting holes, still be provided with the solid fixed ring that the round is located fixed grid below on the surrounding edge inside wall, wherein evenly be provided with the air intake on the surrounding edge lateral wall of solid fixed ring below, and be provided with the stripper plate in the surrounding edge of air intake below, be provided with the absorption piece in the surrounding edge of stripper plate below, wherein the department is provided with the cartridge filter in the middle of the stripper plate top, cartridge filter lateral wall top is outwards turned over and is rolled over the hem that is located solid fixed ring below, and wherein the stripper plate border department that is located the cartridge filter outside evenly is provided with U type breach.
Preferably, the material of the adsorption block is a sponge.
Preferably, the circuit board body and the fixed grating are both smaller than the inner diameter of the fixed ring.
Preferably, the vent holes are aligned with the apertures of the fixed grate.
Preferably, the top end of the extrusion plate in the filter cylinder is provided with a conical bulge.
The invention has the beneficial effects that:
1. the invention enlarges the contact area between the fixed grating and the buffer layer and the side wall of the circuit board body, increases the supporting points of the fixed grating and the buffer layer on the end surface of the circuit board body and improves the covering area of the fixed grating and the buffer layer, thereby preventing the problem that the end surface of the circuit board body is easy to bend and collapse due to large-area suspension, and simultaneously, the heat emitted on the circuit board body can be discharged through the aperture of the fixed grating to prevent the normal heat radiation work of the circuit board body from being influenced.
2. When the cooling device is used, external cold air enters the surrounding edge through the air inlet, and the cold air is discharged through the fixed grid aperture, the vent hole, the inner diameter of the cylinder and the air outlet, so that heat generated when the circuit board body works is cooled, meanwhile, the fan works to accelerate air flow circulation in the surrounding edge and heat discharge on the circuit board body, and the purpose of rapidly cooling the circuit board body is achieved in a mechanical intervention mode.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an exploded view of the present invention.
In the figure: 1. the circuit board body, 2, roof, 3, surrounding edge, 4, drum, 5, guard plate, 6, fan, 7, air outlet, 8, support ring, 9, fixed grid, 10, buffer layer, 11, mounting hole, 12, bolt, 13, solid fixed ring, 14, air intake, 15, stripper plate, 16, adsorb the piece, 17, cartridge filter, 18, hem, 19, breach, 20, arch, 21, ventilation hole.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
The utility model provides a waterproof circuit board, includes circuit board body 1, wherein 1 top of circuit board body is provided with pan form roof 2, and 2 middle departments in opening bottom of roof are provided with the surrounding edge 3 that the round is used for wrapping up circuit board body 1, shelter from the liquid that probably drips above it through roof 2 and surrounding edge 3, prevent that the liquid that probably drips from contacting with circuit board body 1 and influencing its normal work.
Be provided with round support ring 8 on 3 inside walls of surrounding edge, wherein circuit board body 1 is located support ring 8 below, evenly is provided with ventilation hole 21 on this circuit board body 1, and 1 bottom of circuit board body still is provided with fixed grid 9, and ventilation hole 21 is just to the aperture of fixed grid 9, be provided with flexible buffer layer 10 on the fixed grid 9 top face, wherein be located the fixed grid 9 lateral wall cross section under support ring 8 and be provided with mounting hole 11, and be provided with in the mounting hole 11 with support ring 8 spiro union's bolt 12.
The fixing grid 9 and the circuit board body 1 are locked and fixed on the support ring 8 through the bolts 12 to suspend the fixing grid and the circuit board body 1 in the air so as to be convenient for heat dissipation at the upper end and the lower end of the circuit board, wherein the rubber buffer layer 10 is not easy to damage the end surface of the circuit board body 1 due to the relationship of materials, and can play a role of buffering and damping for the circuit board body 1, and the contact area between the fixing grid 9 and the circuit board body 1 is enlarged through the side walls of the fixing grid 9 and the buffer layer 10, the supporting point of the fixing grid on the end surface of the circuit board body 1 is increased, the covering area of the fixing grid is increased, so that the problem that the circuit board body 1 is easy to bend and collapse due to large-area suspension of the end surface is prevented, meanwhile, the heat dissipated by the end surface of the circuit board body 1 can be discharged through the aperture of the fixing grid 9 so as to prevent the influence on the normal heat dissipation work of the circuit board body 1, wherein the air flow in the spaces at the upper side and the lower side of the circuit board body 1 can be circulated through the vent holes 21, thereby accelerating the cooling efficiency and effect of the circuit board body 1 and facilitating the air circulation in the surrounding edges 3 at the upper and lower sides thereof.
As shown in fig. 1, a cylinder 4 communicated with the opening of the surrounding edge 3 is arranged on the top of the top plate 2, wherein a pan-shaped protection plate 5 is arranged on the top of the cylinder 4, a fan 6 is further arranged in the cylinder 4, an air outlet 7 is arranged on the side wall of the cylinder 4 on the top of the fan 6, and an air inlet 14 is arranged at the bottom of the side wall of the surrounding edge 3.
When the cooling circuit board is used, external cold air enters the surrounding edge 3 through the air inlet 14, and the cold air is discharged through the aperture of the fixed grid 9, the vent hole 21, the inner diameter of the cylinder 4 and the air outlet 7, so that heat generated when the circuit board body 1 works is cooled, the fan 6 works in the process to accelerate air flow circulation in the surrounding edge 3 and heat discharge on the circuit board body 1, and the purpose of rapidly cooling the circuit board body 1 in a mechanical intervention mode is achieved.
In the process, the protection plate 5 prevents the liquid from dropping into the cylinder 4 and entering the surrounding edge 3 to contact with the circuit board body 1, wherein the air outlet 7 and the top plate 2 have a large height drop difference, so that the liquid or impurities on the top plate 2 are not easy to enter the cylinder 4 and the surrounding edge 3 through the air outlet 7 to affect the circuit board body 1.
As shown in fig. 1, a circle of fixing ring 13 located between the fixing grid 9 and the air inlet 14 is further disposed on the inner side wall of the surrounding edge 3, wherein an extrusion plate 15 is disposed in the surrounding edge 3 below the air inlet 14, an adsorption block 16 made of sponge is disposed in the surrounding edge 3 below the extrusion plate 15, a filter cartridge 17 is disposed in the middle of the top end of the extrusion plate 15, a conical protrusion 20 is disposed at the top end of the extrusion plate 15 in the filter cartridge 17, a folded edge 18 located below the fixing ring 13 is folded outwards at the top end of the side wall of the filter cartridge 17, and U-shaped notches 19 are uniformly disposed at the edge of the extrusion plate 15 located outside the filter cartridge 17.
As shown in fig. 1, after the surrounding edge 3 is locked and fixed at the equipment installation position, the fixing ring 13 abuts against the folded edge 18, so that the folded edge 18 extrudes and fixes the adsorption block 16 at the equipment installation position through the filter cartridge 17 and the extrusion plate 15, when liquid enters the surrounding edge 3 through the air inlet 14 and is shielded and falls down by the folded edge 18, the liquid can flow to the adsorption block 16 through the U-shaped notch 19 to be absorbed by the adsorption block, so as to prevent the liquid from contacting with the bottom end face of the circuit board body 1, and meanwhile, the liquid adsorbed by the adsorption block 16 is not easy to volatilize, so that the cold air emitted for a long time can also cool the circuit board body 1 in the surrounding edge 3.
In the above process, the filter cartridge 17 is used to filter the impurities introduced from the air inlet 14 into the cold air flow to prevent the impurities from flowing into the cold air flow and contacting the circuit board body 1 to affect the operation thereof, and the protrusion 20 facilitates the liquid flowing along the inclined surface thereof to the U-shaped notch 19 and being absorbed by the absorption block 16 when the liquid is on the top end surface thereof.
Preferably, the circuit board body 1 and the fixed grid 9 are both smaller than the inner diameter of the fixed ring 13.
The present invention has been described in detail, but the above description is only a preferred embodiment of the present invention, and is not to be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (5)
1. A waterproof circuit board comprises a circuit board body, wherein a pot-shaped top plate is arranged at the top of the circuit board body, a circle of surrounding edge used for wrapping the circuit board body is arranged in the middle of the bottom of an opening of the top plate, the waterproof circuit board is characterized in that a cylinder communicated with the inside of the opening of the surrounding edge is arranged at the top of the top plate, a pot-shaped protection plate is arranged at the top of the cylinder, a fan is further arranged in the cylinder, an air outlet is arranged on the side wall of the cylinder at the top of the fan, a circle of support ring is arranged on the inner side wall of the surrounding edge, the circuit board body is positioned below the support ring, ventilation holes are uniformly formed in the circuit board body, a fixed grid is further arranged at the bottom of the circuit board body, a flexible buffer layer is arranged on the top end face of the fixed grid, mounting holes are formed in the intersections of the side walls of the fixed grid positioned right below the support ring, and bolts connected with the support ring in a threaded manner are arranged in the mounting holes, still be provided with the solid fixed ring that the round is located fixed grid below on the surrounding edge inside wall, wherein evenly be provided with the air intake on the surrounding edge lateral wall of solid fixed ring below, and be provided with the stripper plate in the surrounding edge of air intake below, be provided with the absorption piece in the surrounding edge of stripper plate below, wherein the department is provided with the cartridge filter in the middle of the stripper plate top, cartridge filter lateral wall top is outwards turned over and is rolled over the hem that is located solid fixed ring below, and wherein the stripper plate border department that is located the cartridge filter outside evenly is provided with U type breach.
2. The waterproof circuit board of claim 1, wherein said absorbent block is made of sponge.
3. The waterproof circuit board of claim 1, wherein the circuit board body and the retaining grid are smaller than the inner diameter of the retaining ring.
4. A water resistant circuit board according to claim 1, characterised in that the ventilation holes are aligned with the apertures of the fixed grid.
5. The waterproof circuit board of claim 1, wherein the top end of the extrusion plate in the filter cartridge is provided with a conical protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023154056.2U CN214851959U (en) | 2020-12-24 | 2020-12-24 | Waterproof circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023154056.2U CN214851959U (en) | 2020-12-24 | 2020-12-24 | Waterproof circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214851959U true CN214851959U (en) | 2021-11-23 |
Family
ID=78869255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023154056.2U Active CN214851959U (en) | 2020-12-24 | 2020-12-24 | Waterproof circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214851959U (en) |
-
2020
- 2020-12-24 CN CN202023154056.2U patent/CN214851959U/en active Active
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