CN211406439U - Circuit board that water-proof effects is good - Google Patents
Circuit board that water-proof effects is good Download PDFInfo
- Publication number
- CN211406439U CN211406439U CN201922409613.1U CN201922409613U CN211406439U CN 211406439 U CN211406439 U CN 211406439U CN 201922409613 U CN201922409613 U CN 201922409613U CN 211406439 U CN211406439 U CN 211406439U
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- China
- Prior art keywords
- coating
- circuit board
- heat dissipation
- layer
- epoxy
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- 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
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- Insulated Metal Substrates For Printed Circuits (AREA)
- Laminated Bodies (AREA)
- Non-Metallic Protective Coatings For Printed Circuits (AREA)
Abstract
The utility model discloses a circuit board that water-proof effects is good, including the stratum basale, the top of stratum basale is scribbled and is equipped with epoxy and prevent electrostatic coating, and epoxy prevents electrostatic coating's top and scribble and be equipped with JS water proof coating, JS water proof coating's top is connected with aluminium oxide heat conduction rubber board through PP glue. The utility model discloses it prevents the static coating to scribble at the top of stratum basale to scribble at the top that epoxy prevented the static coating and be equipped with JS waterproof coating, can improve the holistic waterproof nature of this circuit board, and epoxy prevents that the static coating can also improve the holistic static resistance of this circuit board, alumina heat conduction rubber slab and heat dissipation layer have been set up, alumina heat conduction rubber slab can give the heat dissipation layer with the produced heat transfer of circuit board surface electronic components, thereby the holistic radiating effect of this circuit board has been improved, through the cooperation of above structure, the holistic waterproof of this circuit board has effectively been improved, heat dissipation performance, the application range and the life are enlarged.
Description
Technical Field
The utility model relates to a circuit board technical field specifically is a circuit board that water-proof effects is good.
Background
The circuit board has the name: the circuit board is miniaturized and visualized, and plays an important role in batch production of fixed circuits and optimization of electric appliance layout, but the existing circuit board is poor in performances such as water resistance and heat dissipation, so that the application range and the use safety of the circuit board are reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a circuit board that water-proof effects is good 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: the utility model provides a circuit board that water-proof effects is good, includes the stratum basale, the top of stratum basale is scribbled and is equipped with epoxy anti-static coating, and epoxy anti-static coating's top is scribbled and is equipped with JS waterproof coating, JS waterproof coating's top is connected with aluminium oxide heat conduction rubber board through PP glue, and aluminium oxide heat conduction rubber board's top is connected with the heat dissipation layer through PP glue.
Preferably, the substrate layer includes an electronic glass fiber cloth, a resin layer and a copper foil layer, and the upper and lower surfaces of the electronic glass fiber cloth are connected with the copper foil layer through the resin layer.
Preferably, the bottom on stratum basale is scribbled and is equipped with the highly chlorinated polyethylene coating, still scribbles between heat dissipation layer and the aluminium oxide heat conduction rubber board and is equipped with the aluminium oxide coating, and the thickness homogeneous phase of aluminium oxide coating, highly chlorinated polyethylene coating, epoxy antistatic coating and JS waterproof coating is the same.
Preferably, the heat dissipation layer comprises a brass plate, and the thickness of the heat dissipation layer is 0.3-0.5 times the thickness of the base layer.
Preferably, the mounting holes are formed in the periphery of the inner surfaces of the heat dissipation layer, the aluminum oxide heat-conducting rubber plate and the substrate layer, and meanwhile, the substrate layer is of a square structure.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses it prevents the static coating to scribble at the top of stratum basale to scribble at the top that epoxy prevented the static coating and be equipped with JS waterproof coating, can improve the holistic waterproof nature of this circuit board, and epoxy prevents that the static coating can also improve the holistic static resistance of this circuit board, alumina heat conduction rubber slab and heat dissipation layer have been set up, alumina heat conduction rubber slab can give the heat dissipation layer with the produced heat transfer of circuit board surface electronic components, thereby the holistic radiating effect of this circuit board has been improved, through the cooperation of above structure, the holistic waterproof of this circuit board has effectively been improved, heat dissipation performance, the application range and the life are enlarged.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application, and in which:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the basal layer of the present invention;
fig. 3 is a schematic view of the top view structure of the present invention.
In the figure: the heat dissipation plate comprises a base layer 1, an electronic glass fiber cloth 11, a resin layer 12, a copper foil layer 13, a waterproof coating 2 JS, an aluminum oxide coating 3, a heat dissipation layer 4, an aluminum oxide heat conduction rubber plate 5, an epoxy resin antistatic coating 6, a high chlorinated polyethylene coating 7 and a mounting hole 8.
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 application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; 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 application can be understood in a specific case by those of ordinary skill in the art.
The utility model provides a stratum basale 1, electron glass fiber cloth 11, resin layer 12, copper foil layer 13, JS waterproof coating 2, aluminium oxide coating 3, heat dissipation layer 4, aluminium oxide heat conduction rubber board 5, epoxy prevent that static coating 6, highly chlorinated polyethylene coating 7 and mounting hole 8 part are the parts that general standard spare or field technician know, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.
Referring to fig. 1-3, a circuit board with good waterproof effect comprises a substrate layer 1, wherein the substrate layer 1 comprises an electronic glass fiber fabric 11, a resin layer 12 and a copper foil layer 13, the upper and lower surfaces of the electronic glass fiber fabric 11 are connected with the copper foil layer 13 through the resin layer 12, an epoxy resin antistatic coating 6 is coated on the top of the substrate layer 1 to improve the whole antistatic property of the circuit board, a JS waterproof coating 2 is coated on the top of the epoxy resin antistatic coating 6 to improve the whole waterproof property of the circuit board, the top of the JS waterproof coating 2 is connected with an aluminum oxide heat-conducting rubber plate 5 through PP glue, the top of the aluminum oxide heat-conducting rubber plate 5 is connected with a heat-dissipating layer 4 through PP glue, and the aluminum oxide heat-conducting rubber plate 5 can transfer heat generated by electronic components on the surface of the circuit board to the heat-dissipating layer 4, so as to improve the whole heat-, the bottom of stratum basale 1 is scribbled and is equipped with perchloride polyethylene coating 7, can improve the waterproof nature and the corrosion resistance of this circuit board bottom, still scribble between heat dissipation layer 4 and the aluminium oxide heat conduction rubber board 5 and be equipped with aluminium oxide coating 3, can improve the holistic oxidation resistance of this circuit board, and aluminium oxide coating 3, perchloride polyethylene coating 7, epoxy prevents that the thickness homogeneous phase of static coating 6 and JS water proof coating 2 is the same, heat dissipation layer 4 includes the brass board, and the thickness of heat dissipation layer 4 is 0.3-0.5 times of stratum basale 1 thickness, heat dissipation layer 4, mounting hole 8 has all been seted up all around to aluminium oxide heat conduction rubber board 5 and stratum basale 1 internal surface, and simultaneously, stratum basale 1 is the square structure setting.
During the use, it prevents electrostatic coating 6 to scribble at stratum basale 1's top epoxy, and it is equipped with JS water proof coating 2 to scribble at epoxy prevents electrostatic coating 6's top, can improve the holistic waterproof nature of this circuit board, and epoxy prevents electrostatic coating 6 and can also improve the holistic antistatic nature of this circuit board, alumina heat conduction rubber board 5 and heat dissipation layer 4 have been set up, alumina heat conduction rubber board 5 can transmit the produced heat transfer of circuit board surface electronic components for heat dissipation layer 4, thereby the holistic radiating effect of this circuit board has been improved, cooperation through above structure, the holistic waterproof of this circuit board has effectively been improved, performances such as heat dissipation, the application range and life thereof have been enlarged.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a circuit board that water-proof effects is good, includes stratum basale (1), its characterized in that: the top of stratum basale (1) is scribbled and is equipped with epoxy and prevent electrostatic coating (6), and epoxy prevents that the top of electrostatic coating (6) is scribbled and is equipped with JS waterproof coating (2), the top of JS waterproof coating (2) is connected with aluminium oxide heat conduction rubber board (5) through PP glue, and the top of aluminium oxide heat conduction rubber board (5) is connected with heat dissipation layer (4) through PP glue.
2. The circuit board with good waterproof effect according to claim 1, characterized in that: the base layer (1) comprises electronic glass fiber cloth (11), a resin layer (12) and a copper foil layer (13), and the upper surface and the lower surface of the electronic glass fiber cloth (11) are connected with the copper foil layer (13) through the resin layer (12).
3. The circuit board with good waterproof effect according to claim 1, characterized in that: the bottom of stratum basale (1) is scribbled and is equipped with highly chlorinated polyethylene coating (7), still scribbles between heat dissipation layer (4) and aluminium oxide heat conduction rubber board (5) and is equipped with aluminium oxide coating (3), and the thickness homogeneous phase of aluminium oxide coating (3), highly chlorinated polyethylene coating (7), epoxy antistatic coating (6) and JS waterproof coating (2) is the same.
4. The circuit board with good waterproof effect according to claim 1, characterized in that: the heat dissipation layer (4) comprises a brass plate, and the thickness of the heat dissipation layer (4) is 0.3-0.5 times of that of the substrate layer (1).
5. The circuit board with good waterproof effect according to claim 1, characterized in that: all seted up mounting hole (8) around heat dissipation layer (4), aluminium oxide heat conduction rubber board (5) and stratum basale (1) internal surface, simultaneously, stratum basale (1) is the setting of square structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922409613.1U CN211406439U (en) | 2019-12-28 | 2019-12-28 | Circuit board that water-proof effects is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922409613.1U CN211406439U (en) | 2019-12-28 | 2019-12-28 | Circuit board that water-proof effects is good |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211406439U true CN211406439U (en) | 2020-09-01 |
Family
ID=72214548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922409613.1U Expired - Fee Related CN211406439U (en) | 2019-12-28 | 2019-12-28 | Circuit board that water-proof effects is good |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211406439U (en) |
-
2019
- 2019-12-28 CN CN201922409613.1U patent/CN211406439U/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: 20200901 Termination date: 20201228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |