CN210432009U

CN210432009U - High-frequency copper-clad plate

Info

Publication number: CN210432009U
Application number: CN201920340333.7U
Authority: CN
Inventors: 黄帅民
Original assignee: Jiangxi Pinsheng Electronics Co ltd
Current assignee: Jiangxi Pinsheng Electronics Co ltd
Priority date: 2019-03-18
Filing date: 2019-03-18
Publication date: 2020-04-28
Anticipated expiration: 2029-03-18

Abstract

The utility model discloses a high frequency copper-clad plate, comprising a main body, the upper end of main part is close to four corners department fixed surface and installs the bed hedgehopping bolt hole, the lower extreme surface of main part is provided with the heat dissipation protrudingly, the inboard surface of main part is provided with the copper foil, the inboard fixed mounting who goes up the copper foil has the adhesive tape, the lower extreme fixed surface who goes up the adhesive tape installs the flame retardant coating, the lower extreme fixed surface of flame retardant coating installs glass fiber cloth, the inside fixed mounting of glass fiber cloth has the reinforcement metal sheet, the lower extreme fixed surface of glass fiber cloth installs down the adhesive tape, the lower extreme fixed surface of adhesive tape installs graphite alkene heat-conducting layer down, the lower extreme fixed surface of graphite alkene heat-conducting layer installs down the copper foil, the bellied upper end fixed surface of heat dissipation installs the heat. The problems of poor heat dissipation capability and easy bending and damage of the copper-clad plate are solved.

Description

High-frequency copper-clad plate

Technical Field

The utility model relates to a high frequency copper-clad plate belongs to copper-clad plate lamination technical field.

Background

The copper clad laminate is a plate material prepared by soaking electronic glass fiber cloth or other reinforcing materials with resin, covering copper foil on one surface or two surfaces of the electronic glass fiber cloth or other reinforcing materials and hot pressing, is called copper clad laminate for short, and various printed circuit boards with different forms and different functions are prepared by selectively carrying out the working procedures of processing, etching, drilling, copper plating and the like on the copper clad laminate to prepare different printed circuits, mainly play the roles of interconnection, insulation and support on the printed circuit boards, and have great influence on the transmission speed, energy loss, characteristic impedance and the like of signals in the circuits, so the performance, the quality, the processability, the manufacturing level, the manufacturing cost, the long-term reliability and the stability of the printed circuit boards are greatly dependent on the copper clad laminate;

the existing copper-clad plate has certain defects when in use, firstly, the existing copper-clad plate is poor in heat dissipation capability and insufficient in toughness, the problem of bending and cracking is easy to occur, certain limitation is caused during use, certain influence is brought to the use process of people, and therefore the high-frequency copper-clad plate is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve lies in: the high-frequency copper-clad plate solves the problems that the copper-clad plate is poor in heat dissipation capability and easy to bend and damage.

The utility model discloses the technical problem that will solve takes following technical scheme to realize:

the utility model provides a high frequency copper-clad plate, includes the main part, the upper end of main part is close to four corners department fixed surface and installs the bed hedgehopping bolt hole, the lower extreme surface of main part is provided with the heat dissipation protrudingly, the inboard surface of main part is provided with the copper foil, the inboard fixed mounting who goes up the copper foil has the adhesive tape, the lower extreme fixed surface who goes up the adhesive tape has the flame retardant coating, the lower extreme fixed surface of flame retardant coating installs glass fiber cloth, the inside fixed mounting of glass fiber cloth has the reinforcement metal sheet, the lower extreme fixed surface of glass fiber cloth installs lower adhesive tape, the lower extreme fixed surface of lower adhesive tape installs graphite alkene heat-conducting layer, the lower extreme fixed surface of graphite alkene heat-conducting layer installs down the copper foil, the protruding upper end fixed surface of heat dissipation.

As a preferable example, a mounting screw is arranged at the joint of the inner part of the heightening bolt hole and the outer surface of the front end of the main body.

As a preferable example, the outer surfaces of the upper end and the lower end of the glass fiber cloth are connected with the outer surface of the lower end of the gummed paper and the outer surface of the upper end of the lower gummed paper through hot pressing.

As a preferred example, the number of the heat dissipation protrusions is several groups, and the number of the heat dissipation protrusions is identical to the number of the heat conduction wires, and the heat conduction wires penetrate through the upper copper foil, the upper gummed paper, the fireproof layer, the glass fiber cloth, the reinforced metal plate, the lower gummed paper, the graphene heat conduction layer and the lower copper foil.

As a preferred example, a prepreg is provided inside the glass cloth.

As a preferred example, the front outer surface of the upper copper foil is provided with a hydrophobic layer.

The utility model has the advantages that: the utility model solves the problems of poor heat dissipation capability and easy bending damage of the copper-clad plate, when the copper-clad plate is used, the copper-clad plate is fixedly installed through the fixing screw, when the installation is finished, the padding layer below the padding bolt hole can form a certain gap between the copper-clad plate and the installation position, the air can circulate, then the copper-clad plate is electrified, when the copper-clad plate is electrified, the internal circuit can transmit the current, so that the internal conductor can flow through the current, the conductor has resistance, when the current passes through the resistance, the heat can be generated, the generated heat is transmitted to the heat dissipation protrusions on the surface through the transmission of the graphene heat conduction layer and the heat conduction wires, the heat is dissipated into the flowing air through the protrusions on the heat dissipation protrusions, the work efficiency is improved, the service life of the copper-clad plate is prolonged, the glass fiber cloth is connected with the upper adhesive paper and the lower adhesive paper through hot pressing, the internal parts can be protected, the toughness of the copper-clad plate can be increased by the reinforcing metal plate inside the glass fiber cloth, the compressive strength of the copper-clad plate is increased, the copper-clad plate is not easy to bend and break, and the using effect is better than that of the traditional mode.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the copper-clad plate of the present invention;

fig. 3 is a cross-sectional view of the heat conductive wire of the present invention;

in the figure: a main body 1; heightening the bolt hole 2; copper foil 3 is coated; a heat dissipation protrusion 4; gummed paper 5; a fire-proof layer 6; a glass fiber cloth 7; a reinforcing metal plate 8; lower gummed paper 9; a graphene thermal conductive layer 10; a lower copper foil 11; and heat conducting wires 12.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, the present invention is further explained by combining the following specific drawings.

As shown in fig. 1-3, a high-frequency copper-clad plate comprises a main body 1, wherein an elevating bolt hole 2 is fixedly installed on the outer surface of the upper end of the main body 1 close to the four corners, a heat dissipation protrusion 3 is arranged on the outer surface of the lower end of the main body 1, an upper copper foil 4 is arranged on the outer surface of the inner side of the main body 1, an upper adhesive paper 5 is fixedly installed on the inner side of the upper copper foil 4, a fireproof layer 6 is fixedly installed on the outer surface of the lower end of the upper adhesive paper 5, a glass fiber cloth 7 is fixedly installed on the outer surface of the lower end of the fireproof layer 6, a reinforcing metal plate 8 is fixedly installed inside the glass fiber cloth 7, a lower adhesive paper 9 is fixedly installed on the outer surface of the lower end of the glass fiber cloth 7, a graphene heat conduction layer 10 is fixedly installed on the outer surface;

a mounting screw is arranged at the joint of the inside of the heightening bolt hole 2 and the outer surface of the front end of the main body 1; the outer surfaces of the upper end and the lower end of the glass fiber cloth 7 are connected with the outer surface of the lower end of the upper gummed paper 5 and the outer surface of the upper end of the lower gummed paper 9 through hot pressing; the number of the heat dissipation protrusions 3 is a plurality of groups, the number of the heat dissipation protrusions 3 is completely consistent with the number of the heat conduction wires 12, and the heat conduction wires 12 penetrate through the upper copper foil 4, the upper adhesive paper 5, the fireproof layer 6, the glass fiber cloth 7, the reinforced metal plate 8, the lower adhesive paper 9, the graphene heat conduction layer 10 and the lower copper foil 11; a prepreg is arranged inside the glass fiber cloth 7; the outer surface of the front end of the upper copper foil 4 is provided with a hydrophobic layer.

The working principle is as follows: when the heat dissipation device is used, a worker places the main body 1 at a corresponding position, the copper-clad plate is fixedly installed through the fixing screws, after the installation is finished, a certain gap is formed between the copper-clad plate and the installation position by heightening the padding layer below the bolt hole 2, air can circulate, then the copper-clad plate is electrified, when the copper-clad plate is electrified, an internal circuit transmits current, so that the internal conductor has current flowing through, the conductor has a resistor, when the current passes through the resistor, heat can be generated, the generated heat is transmitted to the heat dissipation protrusions 4 on the surface through the transmission of the graphene heat conduction layer 10 and the heat conduction wires 12, the heat is dissipated into flowing air through the protrusions on the heat dissipation protrusions 4, the working efficiency is improved, the service life of the copper-clad plate is prolonged, the glass fiber cloth 7 is connected with the upper adhesive paper 5 and the lower adhesive paper 9 through hot pressing, can protect inside part, the inside reinforcement metal sheet 8 of glass fiber cloth 7 can increase the toughness of copper-clad plate, has increased the compressive strength of copper-clad plate, makes it no longer easy rupture of buckling, and the hydrophobic layer can increase the waterproof ability of copper-clad plate 1, and flame retardant coating 6 can increase the fireproof ability of copper-clad plate to the environment adaptability of copper-clad plate has been improved.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The high-frequency copper-clad plate comprises a main body and is characterized in that: the utility model discloses a heat dissipation device, including main part, inboard outer fixed surface of main part, last copper foil, gummed paper, lower extreme outer fixed surface of gummed paper, the upper end of main part is close to four corners department's outer fixed surface and installs the bed hedgehopping bolt hole, the lower extreme surface of main part is provided with the heat dissipation protrudingly, the inboard surface of main part is provided with the copper foil, the inboard fixed mounting of going up the copper foil has gummed paper, the lower extreme outer fixed surface of gummed paper installs the flame retardant coating, the lower extreme outer fixed surface of flame retardant coating installs glass fiber cloth, the inside fixed mounting of glass fiber cloth has the reinforcement metal sheet, the lower extreme outer fixed surface of glass fiber cloth installs down gummed paper, the lower extreme outer fixed surface of lower gumm.

2. The high-frequency copper-clad plate according to claim 1, characterized in that: and a mounting screw is arranged at the joint of the inside of the heightening bolt hole and the outer surface of the front end of the main body.

3. The high-frequency copper-clad plate according to claim 1, characterized in that: the outer surfaces of the upper end and the lower end of the glass fiber cloth are connected with the outer surface of the lower end of the upper gummed paper and the outer surface of the upper end of the lower gummed paper through hot pressing.

4. The high-frequency copper-clad plate according to claim 1, characterized in that: the number of the heat dissipation protrusions is a plurality of groups, the number of the heat dissipation protrusions is completely consistent with the number of the heat conduction wires, and the heat conduction wires penetrate through the upper copper foil, the upper adhesive paper, the fireproof layer, the glass fiber cloth, the reinforced metal plate, the lower adhesive paper, the graphene heat conduction layer and the lower copper foil.

5. The high-frequency copper-clad plate according to claim 1, characterized in that: and a prepreg is arranged in the glass fiber cloth.

6. The high-frequency copper-clad plate according to claim 1, characterized in that: and the outer surface of the front end of the upper copper foil is provided with a hydrophobic layer.