CN210694473U - Novel circuit board with dampproofing and waterproofing function - Google Patents
Novel circuit board with dampproofing and waterproofing function Download PDFInfo
- Publication number
- CN210694473U CN210694473U CN201921717625.4U CN201921717625U CN210694473U CN 210694473 U CN210694473 U CN 210694473U CN 201921717625 U CN201921717625 U CN 201921717625U CN 210694473 U CN210694473 U CN 210694473U
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- circuit board
- shell
- waterproof
- water
- moistureproof
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- Non-Metallic Protective Coatings For Printed Circuits (AREA)
Abstract
The utility model discloses a novel circuit board with dampproofing and waterproofing function, including circuit board body and shell, circuit board body side surface is connected with the shell through fixing bolt, and the shell both sides are provided with first fretwork net, first fretwork net one side is located the shell intermediate position and is equipped with the recess. The utility model discloses in, the device is equipped with shell and dampproofing subassembly, be equipped with a plurality of recesses through the shell intermediate position, can collect the water that carelessly flows in, water flows in dampproofing subassembly through the recess bottom, dampproofing subassembly top is equipped with the groove of permeating water and absorbs water the cotton with the corresponding position of recess, can lead to the dampproofing subassembly with water, the inside drier that is equipped with of dampproofing subassembly, can adsorb water, dampproofing subassembly bottom surface is equipped with second fretwork net simultaneously, can adsorb the inside moisture of shell, dampproofing subassembly is through with mounting threaded connection, be convenient for change, the dampproofing and waterproofing's of improvement device ability.
Description
Technical Field
The utility model relates to a circuit board technical field especially relates to a novel circuit board with dampproofing and waterproofing function.
Background
The circuit board can be called as a printed circuit board or a printed circuit board, and the acronym is PCB, FPC circuit board (FPC circuit board is also called as flexible circuit board which is made of polyimide or polyester film as a base material, has the characteristics of high reliability and excellent flexibility, and has the characteristics of high wiring density, light weight, thin thickness and good bending property), and the flexible-rigid combination board FPC and PCB are born and developed, so that a new product of the flexible-rigid combination board is promoted, and the flexible-rigid combination board is widely applied to the fields of MP3, MP4 players, computers, digital cameras, mobile phones, medical treatment, automobiles, aerospace, military affairs and the like.
The circuit board is in the use, because the internal circuit is complicated, when infiltration or moisture are too big, causes the circuit board short circuit very easily, generally adopts to scribble waterproof material on the circuit board surface, causes circuit board heat dispersion low for circuit board life greatly reduced, the circuit board is not convenient for clear up shortcomings such as dust, causes certain puzzlement for the use of circuit board.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a novel circuit board with waterproof and moistureproof functions.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a novel circuit board with waterproof and moistureproof functions comprises a circuit board body and a shell, wherein the shell is connected with the surface of one side of the circuit board body through a fixing bolt, and the two sides of the shell are provided with first hollow nets, one side of each first hollow net is provided with a groove at the middle position of the shell, and a connecting column is arranged in the middle of one side of the groove, one side of the bottom of the connecting column penetrates through the shell and is connected with a fixing piece, and the bottom of the fixing piece is connected with a damp-proof component by screw thread, one side of the damp-proof component is provided with a water permeable groove in a surrounding way, and the bottom of the permeable tank is provided with absorbent cotton, one side of the absorbent cotton is positioned in the moistureproof component and is provided with a drying agent, and the surface of one side of the drying agent, which is positioned at the bottom of the moisture-proof component, is provided with a second hollow net, the surface of one side of the circuit board body, which is positioned at the inner part of the shell, is provided with a radiating fin, one side of the radiating fin is provided with a silica gel layer, and the bottom of the silica gel layer is provided with a waterproof breathable film.
Preferably, the fixing bolts are provided in plurality and are symmetrical with respect to the horizontal center line of the circuit board body.
Preferably, a plurality of grooves are formed in the middle of the shell, and correspond to the moisture-proof assemblies one by one.
Preferably, the number of the first hollow-out nets is two, and the two first hollow-out gateways are symmetrical to the horizontal central line of the shell.
Preferably, the two groups of radiating fins are arranged, the two groups of radiating fins are symmetrical about the horizontal center line of the circuit board body, a water drainage groove is arranged in the middle of each radiating fin, and one end of each water drainage groove penetrates through the shell and is exposed outside.
Preferably, the bottom of the groove is of a water-permeable mesh structure.
Preferably, the two sides of the circuit board body are symmetrically provided with fixing screw holes, and the fixing screw holes correspond to the fixing bolts one to one.
Compared with the prior art, the utility model has the advantages that; firstly, the device is provided with a shell and a moisture-proof component, a plurality of grooves are arranged at the middle position of the shell, water which flows in carelessly can be collected, the water flows into the moisture-proof component through the bottom of the groove, a water permeable groove and absorbent cotton are arranged at the top of the moisture-proof component corresponding to the grooves, the water can be guided into the moisture-proof component, a drying agent is arranged in the moisture-proof component and can absorb the water, a second hollow net is arranged on the surface of the bottom of the moisture-proof component and can absorb moisture in the shell, the moisture-proof component is in threaded connection with a fixing piece and is convenient to replace, the waterproof and moisture-proof capacity of the device is improved, secondly, a radiating fin, a silica gel layer and a waterproof and breathable film are arranged on the surface of a circuit board body, the silica gel layer has the functions of conducting heat and absorbing moisture, the waterproof and breathable film, the radiating fin plays main radiating effect simultaneously, has seted up the sluicing groove at the radiating fin intermediate position, can in time discharge the water in the device, also has the radiating effect of supplementary radiating fin, has improved the radiating efficiency of device, and finally, the device passes through the fixed screw with the shell and fixes, makes external environment and circuit board isolated, can dampproofing and waterproofing, does not also influence circuit board heat dissipation and circuit board maintenance work, can isolate the dust, has avoided the difficult condition of circuit board clearance. Meanwhile, the circuit board cannot be damaged during transportation bumping, so that the adaptability of the device is greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of a novel circuit board with waterproof and moistureproof functions according to the present invention;
fig. 2 is a schematic structural diagram of a novel circuit board with waterproof and moistureproof functions according to the present invention;
fig. 3 is a schematic structural diagram of the novel circuit board with waterproof and moistureproof functions provided by the present invention.
Illustration of the drawings:
1-a circuit board body, 2-a shell, 3-a heat sink, 4-a first hollowed-out net, 5-a silica gel layer, 6-a groove, 7-a waterproof and breathable film, 8-a moisture-proof component, 9-a fixing bolt, 10-a connecting column, 11-a water drainage groove, 12-a fixing piece, 13-a second hollowed-out net, 14-a drying agent, 15-absorbent cotton and 16-a water permeable groove.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, a novel circuit board with waterproof and moistureproof functions comprises a circuit board body 1 and a housing 2, wherein the surface of one side of the circuit board body 1 is connected with the housing 2 through a fixing bolt 9, the two sides of the housing 2 are provided with first hollow nets 4, one side of the first hollow net 4 is provided with a groove 6 at the middle position of the housing 2, the middle part of one side of the groove 6 is provided with a connecting column 10, one side of the bottom of the connecting column 10 penetrates through the housing 2 and is connected with a fixing member 12, the bottom of the fixing member 12 is in threaded connection with a moistureproof component 8, one side of the moistureproof component 8 is provided with a water permeable groove 16 in a surrounding manner, the bottom of the water permeable groove 16 is provided with a water absorbent cotton 15, one side of the water absorbent cotton 15 is provided with a desiccant 14 at the inner part of the moistureproof component, and a silica gel layer 5 is arranged on one side of the radiating fin 3, and a waterproof breathable film 7 is arranged at the bottom of the silica gel layer 5.
The fixing bolts 9 are provided with a plurality of fixing bolts 9, the plurality of fixing bolts 9 are symmetrical about the horizontal central line of the circuit board body 1, the middle position of the shell 2 is provided with a plurality of grooves 6, the grooves 6 correspond to the moisture-proof components 8 one by one, two first hollow nets 4 are arranged, the two first hollow nets 4 are symmetrical about the horizontal central line of the shell 2, two groups of radiating fins 3 are arranged, and the two groups of radiating fins 3 are symmetrical about the horizontal central line of the circuit board body 1, a water drainage groove 11 is arranged at the middle position of the radiating fins 3, one side end part of the water drainage groove 11 penetrates through the shell 2 and is exposed outside, so that water can be conveniently drained out, the bottom of the groove 6 is of a permeable net-shaped structure, fixing screw holes are symmetrically arranged on two sides of the circuit board body 1, and fixed screw and fixing bolt 9 one-to-one, be convenient for installation and dismantlement shell 2, a plurality of recesses 6 are symmetrical about the horizontal central line of shell 2, and dampproofing waterproof efficiency is high.
The working principle is as follows: when the device is used, the device is moved to a proper position, when water seeps, the device is provided with a shell 2 and a moisture-proof component 8, a plurality of grooves 6 are arranged at the middle position of the shell 2, water which carelessly flows in can be collected, the water flows into the moisture-proof component 8 through the bottom of the grooves 6, a water permeable groove 16 and absorbent cotton 15 are arranged at the top of the moisture-proof component 8 corresponding to the grooves 6, the water can be led into the moisture-proof component 8, a drying agent 14 is arranged inside the moisture-proof component 8 and can absorb the water, meanwhile, a second hollowed-out net 13 is arranged on the surface of the bottom of the moisture-proof component 8 and can absorb the moisture inside the shell 2, the moisture-proof component 8 is in threaded connection with a fixing part 12, the replacement is convenient, the waterproof and moisture-proof capacity of the device is improved, when a circuit board dissipates heat, the device is provided with a radiating fin 3, a silica gel layer 5 and a waterproof and breathable, waterproof ventilated membrane 7 can distribute away 1 heat of circuit board body, isolated moisture gets into inside 1 of circuit board body, fin 3 plays main radiating effect simultaneously, water drainage tank 11 has been seted up at fin 3 intermediate position, can in time discharge the water in the device, the radiating effect of supplementary fin 3 also has, the radiating efficiency of device has been improved, when dustproof, the device is fixed shell 2 through fixing bolt 9, make external environment isolated with the circuit board and come, can dampproofing and waterproofing, neither influence circuit board heat dissipation and circuit board maintenance work, also can isolate the dust, the condition of circuit board clearance difficulty has been avoided, and simultaneously, also can not cause the damage to the circuit board when the transportation jolts, make the adaptability of device improve greatly.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A novel circuit board with waterproof and moistureproof functions comprises a circuit board body (1) and a shell (2) and is characterized in that the surface of one side of the circuit board body (1) is connected with the shell (2) through a fixing bolt (9), two sides of the shell (2) are provided with first hollowed-out nets (4), one side of each first hollowed-out net (4) is provided with a groove (6) at the middle position of the shell (2), the middle part of one side of each groove (6) is provided with a connecting column (10), one side of the bottom of each connecting column (10) penetrates through the shell (2) and is connected with a fixing piece (12), the bottom of each fixing piece (12) is in threaded connection with a moistureproof component (8), one side of each moistureproof component (8) is provided with a water permeable groove (16) in a surrounding manner, the bottom of the water permeable groove (16) is provided with water absorbent cotton, and desiccant (14) one side is located dampproofing subassembly (8) bottom surface and is provided with second fretwork net (13), circuit board body (1) one side surface is located inside shell (2) and is provided with fin (3), and fin (3) one side is provided with silica gel layer (5), silica gel layer (5) bottom is provided with waterproof ventilated membrane (7).
2. The novel circuit board with waterproof and moistureproof functions as claimed in claim 1, wherein the fixing bolts (9) are provided in plurality, and the plurality of fixing bolts (9) are symmetrical about the horizontal center line of the circuit board body (1).
3. The novel circuit board with waterproof and moistureproof functions as claimed in claim 1, wherein a plurality of grooves (6) are provided in the middle of the housing (2), and the plurality of grooves (6) correspond to the moistureproof components (8) one by one.
4. The novel circuit board with waterproof and moistureproof functions as claimed in claim 1, wherein there are two first hollow-out nets (4), and the two first hollow-out nets (4) are symmetrical about the horizontal center line of the housing (2).
5. The novel circuit board with waterproof and moistureproof functions as claimed in claim 1, wherein there are two sets of the heat dissipation fins (3), and the two sets of the heat dissipation fins (3) are symmetrical about the horizontal center line of the circuit board body (1), the middle position of the heat dissipation fin (3) is provided with a drainage groove (11), and one side end part of the drainage groove (11) penetrates through the housing (2) and is exposed outside.
6. The novel circuit board with waterproof and moistureproof functions as claimed in claim 1, wherein the bottom of the groove (6) is of a water-permeable mesh structure.
7. The novel circuit board with waterproof and moistureproof functions as claimed in claim 1, wherein the circuit board body (1) is symmetrically provided with fixing screw holes at two sides, and the fixing screw holes correspond to the fixing bolts (9) one by one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921717625.4U CN210694473U (en) | 2019-10-14 | 2019-10-14 | Novel circuit board with dampproofing and waterproofing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921717625.4U CN210694473U (en) | 2019-10-14 | 2019-10-14 | Novel circuit board with dampproofing and waterproofing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210694473U true CN210694473U (en) | 2020-06-05 |
Family
ID=70887305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921717625.4U Expired - Fee Related CN210694473U (en) | 2019-10-14 | 2019-10-14 | Novel circuit board with dampproofing and waterproofing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210694473U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112888151A (en) * | 2021-01-12 | 2021-06-01 | 兴宁市精维进电子有限公司 | High-density high-frequency multilayer flexible circuit board |
| CN112996325A (en) * | 2021-02-05 | 2021-06-18 | 隽美经纬电路有限公司 | COP material flexible line way board |
| CN115038231A (en) * | 2021-03-05 | 2022-09-09 | 北京全路通信信号研究设计院集团有限公司 | Circuit board and manufacturing method thereof |
-
2019
- 2019-10-14 CN CN201921717625.4U patent/CN210694473U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112888151A (en) * | 2021-01-12 | 2021-06-01 | 兴宁市精维进电子有限公司 | High-density high-frequency multilayer flexible circuit board |
| CN112888151B (en) * | 2021-01-12 | 2022-04-29 | 东莞市耐普电路科技有限公司 | High-density high-frequency multilayer flexible circuit board |
| CN112996325A (en) * | 2021-02-05 | 2021-06-18 | 隽美经纬电路有限公司 | COP material flexible line way board |
| CN112996325B (en) * | 2021-02-05 | 2023-02-21 | 隽美经纬电路有限公司 | COP material flexible line way board |
| CN115038231A (en) * | 2021-03-05 | 2022-09-09 | 北京全路通信信号研究设计院集团有限公司 | Circuit board and manufacturing method thereof |
| CN115038231B (en) * | 2021-03-05 | 2024-06-11 | 北京全路通信信号研究设计院集团有限公司 | Circuit board and manufacturing method thereof |
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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: 20200605 Termination date: 20201014 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |