CN218084543U - Environment-friendly copper-clad plate with good waterproof performance - Google Patents
Environment-friendly copper-clad plate with good waterproof performance Download PDFInfo
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- CN218084543U CN218084543U CN202221704512.2U CN202221704512U CN218084543U CN 218084543 U CN218084543 U CN 218084543U CN 202221704512 U CN202221704512 U CN 202221704512U CN 218084543 U CN218084543 U CN 218084543U
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Abstract
The utility model discloses an environment-friendly copper-clad plate that waterproof performance is good relates to copper-clad plate technical field. The utility model discloses an environment-friendly copper-clad plate that waterproof performance is good, including the copper-clad plate body, copper-clad plate body from the top down is equipped with copper foil layer, rubber soft layer, insulating substrate layer and lower copper foil layer in proper order, forms the copper-clad plate body after carrying out hot pressing through the adhesive bonding between each sheet layer, go up the copper foil layer with the same and the longitudinal symmetry bonding of shape size of copper foil layer down, insulating substrate layer contains the plane base plate, and the middle part of plane base plate is equipped with the arc arch, and the plane base plate is located the protruding terminal surface equidistance all around of arc and is equipped with a plurality of circular through-holes, and circular through-hole runs through whole plane base plate. The utility model has the advantages of high waterproof nature, high heat dissipating, high environmental protection, high crushing resistance, etc.
Description
Technical Field
The utility model relates to a copper-clad plate technical field specifically is an environment-friendly copper-clad plate that waterproof performance is good.
Background
Copper-clad plate, also known as substrate. The reinforcing material is soaked with resin, one side or two sides of the reinforcing material are covered with copper foil, and the reinforcing material is hot-pressed to form a plate-shaped material which is called a copper-clad laminate. It is a basic material for making PCB, and when it is used for producing multilayer board, it is also called core board. The copper-clad plate is composed of a substrate, a copper foil and an adhesive, wherein the substrate is an insulating laminate composed of high polymer synthetic resin and a reinforcing material, and the surface of the substrate is covered with a layer of pure copper foil with high conductivity and good weldability. The copper clad laminate with the copper foil covering one side of the substrate is called a single-sided copper clad laminate, and the copper clad laminate with the copper foil covering both sides of the substrate is called a double-sided copper clad laminate.
The copper-clad plate is used as a main carrier of various electronic components and a pivot for circuit signal transmission, the performance requirement of the copper-clad plate is higher and higher, a circuit board becomes the most important part of an electronic information product, the quality of the circuit board determines the quality and reliability of the whole equipment, and the copper-clad plate is a basic material of the circuit board. However, the existing copper-clad plate is not good in waterproof effect, easy to damage due to water inflow, low in heat dissipation performance and capable of causing spontaneous combustion of raw materials in the copper-clad plate due to overhigh temperature, however, the existing copper-clad plate adopts a large amount of non-environment-friendly raw materials, toxic gas can be generated after the non-environment-friendly raw materials are spontaneously combusted to cause environmental pollution, and the existing copper-clad plate is easy to break due to insufficient pressure resistance when in use, so that the production of electronic products is affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an environment-friendly copper-clad plate that waterproof performance is good has high waterproof nature, high thermal diffusivity, high environmental protection nature, advantages such as high crushing resistance to solve the problem of proposing 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 an environment-friendly copper-clad plate that waterproof performance is good, includes the copper-clad plate body, copper foil layer, rubber soft layer, insulating substrate layer and lower copper foil layer are equipped with in proper order to copper-clad plate body from the top down, form the copper-clad plate body after bonding and hot pressing through the adhesive between each sheet layer, go up the copper foil layer with the same and the longitudinal symmetry bonding of shape size of copper foil layer down, insulating substrate layer contains the plane base plate, and the middle part of plane base plate is equipped with the arc arch, and the plane base plate is located the protruding terminal surface equidistance all around of arc and is equipped with a plurality of circular through-holes, and circular through-hole runs through whole plane base plate, the lower extreme of rubber soft layer inwards caves in and is equipped with the one-level arc chamber with the protruding looks adaptation of arc.
Preferably, go up copper foil layer and lower copper foil layer and carry on the back in the convex and be equipped with a plurality of resistance to compression arriss on insulating substrate layer's the terminal surface, the resistance to compression arris uses the copper foil as the substrate, is equipped with square heat dissipation chamber in the resistance to compression arris, and the both sides in heat dissipation chamber all scribble waterproof coating.
Preferably, a heat insulation plate is adhered to the lower portion of the primary arc-shaped cavity, rock wool is used as a base material of the heat insulation plate, and a layer of glass fiber is laid at the lower end of the rock wool.
Preferably, the lower extreme on insulating substrate layer is equipped with second grade arc chamber, and the inner wall in second grade arc chamber scribbles super absorbent resin layer.
Preferably, the water absorption sponge is filled between the secondary arc-shaped cavity and the lower copper foil layer.
Preferably, a heat absorption coating is coated in the circular through hole.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the environment-friendly copper-clad plate with good waterproof performance has the advantages that the compression resistance of the upper end surface and the lower end surface of the copper-clad plate body is improved through the compression resistant edges, and the middle part of the copper-clad plate body is prevented from being broken due to compression when the environment-friendly copper-clad plate is used; the waterproof coating prevents water vapor deposited between the compression resistant edges from entering the inside of the heat dissipation cavity through the upper copper foil layer to improve waterproofness, and the super absorbent resin layer and the water-absorbing sponge filled in the secondary arc cavity prevent water vapor from being deposited in the secondary arc cavity, so that even if the environment where the copper-clad plate body is used is very humid, the water vapor enters the insulating substrate layer through the upper copper foil layer and the rubber soft layer, the arc-shaped bulge can guide the water vapor to enter the circular through hole and be absorbed by the water-absorbing sponge at the lower end of the insulating substrate layer; the heat dissipation performance of the copper-clad plate body can be improved through the heat dissipation cavity, the circular through hole and the heat absorption coating; the whole copper-clad plate body is made of environment-friendly materials, so that the environment friendliness is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of the overall structure of the present invention;
FIG. 3 is a cross-sectional view of the upper copper foil layer of the present invention;
fig. 4 is an enlarged view of fig. 3A of the present invention;
FIG. 5 is a schematic view of the structure of the soft rubber layer of the present invention;
fig. 6 is a schematic structural view of the insulating substrate layer of the present invention;
fig. 7 is a schematic view of a second-stage arc-shaped cavity structure of the present invention.
In the figure: 1. a copper-clad plate body; 2. a copper foil layer is arranged; 21. pressure-resistant arris; 22. a heat dissipation cavity; 23. a water-resistant coating; 3. a soft layer of rubber; 31. a primary arc-shaped cavity; 32. a heat insulation plate; 4. an insulating substrate layer; 41. an arc-shaped bulge; 42. a planar substrate; 43. a secondary arc-shaped cavity; 44. a circular through hole; 45. a heat absorbing coating; 46. a super absorbent resin layer; 5. and a lower copper foil layer.
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.
Please refer to fig. 1-2, an environment-friendly copper-clad plate with good waterproof performance, including a copper-clad plate body 1, the copper-clad plate body 1 is sequentially provided with an upper copper foil layer 2 from top to bottom, a rubber soft layer 3, an insulating substrate layer 4 and a lower copper foil layer 5, the upper copper foil layer 2 and the lower copper foil layer 5 are both used for improving the conductivity and the weldability of the copper-clad plate body 1, the rubber soft layer 3 is used for protecting the insulating substrate layer 4, and preventing the arc-shaped protrusion 41 from deforming, the insulating substrate layer 4 is a basic structure of the copper-clad plate body 1, and can enhance the stability of the copper-clad plate body 1, the copper-clad plate body 1 is formed after the plate layers are bonded and hot-pressed by an adhesive, the adhesive adopts a flame-retardant modified epoxy adhesive, the flame-retardant epoxy adhesive takes epoxy resin and the like as raw materials, and then a certain proportion of flame retardant and polyurethane are added for stirring and curing, the flame-retardant modified epoxy adhesive has environmental protection performance and can reduce the spontaneous combustion probability of the copper-clad plate body 1, and the upper copper foil layer 2 and the lower copper foil layer 5 are symmetrically bonded up and down.
Referring to fig. 3-4, a plurality of pressure-resistant ribs 21 are convexly arranged on end faces, back to the insulating substrate layer 4, of the upper copper foil layer 2 and the lower copper foil layer 5, the pressure-resistant ribs 21 are used for improving the pressure resistance of the copper-clad plate body 1 and preventing the copper-clad plate body 1 from being broken due to pressure when in use, the pressure-resistant ribs 21 use a copper foil as a base material, so that the pressure-resistant ribs 21 also have electric conductivity and weldability, square heat dissipation cavities 22 are arranged in the pressure-resistant ribs 21, the heat dissipation cavities 22 are used for dissipating heat of the upper copper foil layer 2 and the lower copper foil layer 5, both sides of the heat dissipation cavities 22 are coated with waterproof coatings 23, grooves formed between the pressure-resistant ribs 21 are prone to generate accumulated water, the waterproof coatings 23 prevent the accumulated water from entering the copper-clad plate body 1 through the copper foil, the waterproof coatings 23 are polymer cement-based waterproof coatings, the polymer cement-based waterproof coatings are composed of emulsion synthesized by various water-based polymers and high-quality cement doped with various additives, and the polymer-based waterproof coatings do not contain toxic substances and have environmental protection performance.
Referring to fig. 5-7, the soft rubber layer 3 is made of natural rubber, the natural rubber does not contain an additive and has environmental protection performance, the lower end of the soft rubber layer 3 is recessed inwards to form a first-stage arc-shaped cavity 31 matched with the arc-shaped protrusion 41, the first-stage arc-shaped cavity 31 can protect the arc-shaped protrusion 41, and the acting force for downwards extruding the arc-shaped protrusion 41 is buffered, so as to protect the insulating substrate layer 4, the heat insulation board 32 is adhered below the first-stage arc-shaped cavity 31, the heat insulation board 32 is used for improving the heat insulation performance of the copper-clad plate body 1, the heat insulation board 32 uses rock wool as a base material, a layer of glass fiber is laid at the lower end of the rock wool, the rock wool and the glass fiber have environmental protection performance and are both good heat insulation materials, so as to effectively insulate heat from the copper-clad plate body 1, the insulating substrate layer 4 is formed by repeatedly overlapping and hot-pressing cotton fiber impregnated paper and phenolic resin, and the phenolic resin are repeatedly overlapped to enhance the strength of the insulating substrate layer 4, the insulating substrate layer 4 comprises a planar substrate 42, an arc-shaped protrusion 41 is arranged in the middle of the planar substrate 42, the arc-shaped protrusion 41 is used for guiding water vapor entering the copper-clad plate body 1 to enter a circular through hole 44, a plurality of circular through holes 44 are arranged on the peripheral end face of the planar substrate 42, which is positioned around the arc-shaped protrusion 41, the circular through holes 44 are used for heat dissipation and water vapor transmission, the circular through holes 44 penetrate through the whole planar substrate 42, a heat absorption coating 45 is coated in the circular through holes 44, the heat absorption coating 45 can absorb heat inside the insulating substrate layer 4 to achieve heat dissipation, an electroplating coating is adopted as the heat absorption coating, the electroplating coating is environment-friendly and has strong heat absorption performance, a secondary arc-shaped cavity 43 is arranged at the lower end of the insulating substrate layer 4, a super absorbent resin layer 46 is coated on the inner wall of the secondary arc-shaped cavity 43, the super absorbent resin layer 46 prevents the water vapor transmitted in the circular through holes 44 from entering the insulating substrate layer 4 again, a large amount of water-absorbing sponge is filled between the second-stage arc-shaped cavity 43 and the lower copper foil layer 5, and the water-absorbing sponge is used for absorbing water vapor transmitted from the circular through hole 44.
The working principle is as follows: this environment-friendly copper-clad plate that waterproof performance is good, when production and installation, earlier with cotton fiber impregnated paper and formation insulating substrate layer 4 behind the repeated stack hot pressing of phenolic resin, go up copper foil layer 2, rubber soft layer 3, insulating substrate layer 4 and lower copper foil layer 5 form integratively through fire-retardant modified epoxy gluing agent bonding and hot pressing, add in one-level arc chamber 31 and use rock wool as substrate glass fiber heat insulating board 32 of basement, coat one deck super absorbent resin layer 46 in second grade arc chamber 43, it is full of the sponge that absorbs water to fill in the cavity between second grade arc chamber 43 and lower copper foil layer 5, coat electroplating heat absorption coating 45 in circular through-hole 44, coat waterproof coating 23 in the heat dissipation chamber 22 both sides of resistance to compression arris 21 at last, when a large amount of heat production, through circular through-hole 44, heat dissipation chamber 22 and heat absorption coating 45 can dispel the heat well, when having steam to get into copper-clad plate body 1 simultaneously, earlier through waterproof coating 23, permeate through behind waterproof coating 23 entering copper-clad plate body 1 inside, through rubber soft layer 3, in insulating through arc protrusion 41 gets into circular through insulating through-hole 44, absorbed sponge lower extreme 44, be absorbed water by insulating substrate layer 4 sponge.
In summary, the following steps: the environmental-friendly copper-clad plate with good waterproof performance has the advantages that the compression resistance of the upper end face and the lower end face of the copper-clad plate body 1 is improved through the compression resistant edges 21, and the middle part of the copper-clad plate body 1 is prevented from being broken due to compression when in use; the waterproof coating 23 is used for preventing water vapor deposited between the compression resisting ribs 21 from penetrating through the upper copper foil layer 2 to enter the heat dissipation cavity 22 so as to improve waterproofness, and the water-absorbing sponge filled in the super water-absorbing resin layer 46 and the second-stage arc-shaped cavity 43 is used for preventing water vapor from being deposited in the second-stage arc-shaped cavity 43, so that even if the environment where the copper-clad plate body 1 is used is very humid, water vapor enters the insulating substrate layer 4 through the upper copper foil layer 2 and the rubber soft layer 3, the arc-shaped bulge 41 can also guide the water vapor to enter the circular through hole 44, and the water vapor is sucked away by the water-absorbing sponge at the lower end of the insulating substrate layer 4; the heat dissipation performance of the copper-clad plate body 1 can be improved through the heat dissipation cavity 22, the circular through hole 44 and the heat absorption coating 45; the whole copper-clad plate body 1 is made of environment-friendly materials, so that the environment friendliness is improved.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (6)
1. The utility model provides an environment-friendly copper-clad plate that waterproof performance is good, includes copper-clad plate body (1), its characterized in that: copper-clad plate body (1) from the top down is equipped with copper foil layer (2), soft layer of rubber (3), insulating substrate layer (4) and copper foil layer (5) down in proper order, forms copper-clad plate body (1) after bonding and carrying out hot pressing through the adhesive between each sheet layer, go up copper foil layer (2) with the shape size of copper foil layer (5) is the same and the longitudinal symmetry bonds down, insulating substrate layer (4) contain plane base plate (42), and the middle part of plane base plate (42) is equipped with arc arch (41), and plane base plate (42) are located arc arch (41) terminal surface equidistance all around and are equipped with a plurality of circular through-holes (44), and circular through-hole (44) run through whole plane base plate (42), the lower extreme of soft layer of rubber (3) inwards caves in and is equipped with one-level arc chamber (31) of arc arch (41) looks adaptation.
2. The environment-friendly copper-clad plate with good waterproof performance according to claim 1, characterized in that: go up copper foil layer (2) and lower copper foil layer (5) and be equipped with a plurality of resistance to compression arriss (21) on the terminal surface of insulating substrate layer (4) mutually in the protrusion, resistance to compression arris (21) use the copper foil as the substrate, are equipped with square heat dissipation chamber (22) in resistance to compression arris (21), and the both sides in heat dissipation chamber (22) all scribble waterproof coating (23).
3. The environment-friendly copper-clad plate with good waterproof performance according to claim 1, characterized in that: a heat insulation plate (32) is bonded below the primary arc-shaped cavity (31), the heat insulation plate (32) takes rock wool as a base material, and a layer of glass fiber is laid at the lower end of the rock wool.
4. The environment-friendly copper-clad plate with good waterproof performance according to claim 1, characterized in that: the lower extreme on insulating substrate layer (4) is equipped with second grade arc chamber (43), and the inner wall in second grade arc chamber (43) scribbles super absorbent resin layer (46).
5. The environment-friendly copper-clad plate with good waterproof performance according to claim 4, characterized in that: and water-absorbing sponge is filled between the secondary arc-shaped cavity (43) and the lower copper foil layer (5).
6. The environment-friendly copper-clad plate with good waterproof performance according to claim 1, characterized in that: and a heat absorption coating (45) is coated in the circular through hole (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221704512.2U CN218084543U (en) | 2022-07-04 | 2022-07-04 | Environment-friendly copper-clad plate with good waterproof performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221704512.2U CN218084543U (en) | 2022-07-04 | 2022-07-04 | Environment-friendly copper-clad plate with good waterproof performance |
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| Publication Number | Publication Date |
|---|---|
| CN218084543U true CN218084543U (en) | 2022-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221704512.2U Active CN218084543U (en) | 2022-07-04 | 2022-07-04 | Environment-friendly copper-clad plate with good waterproof performance |
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| Country | Link |
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| CN (1) | CN218084543U (en) |
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- 2022-07-04 CN CN202221704512.2U patent/CN218084543U/en active Active
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