CN212910637U

CN212910637U - Single-side insulation shielding anti-interference conductive cloth

Info

Publication number: CN212910637U
Application number: CN202021775039.8U
Authority: CN
Inventors: 张坤; 蒲唯慷
Original assignee: Shenzhen Hongsenyu Electronic Materials Co ltd
Current assignee: Shenzhen Hongsenyu Electronic Materials Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-04-06
Anticipated expiration: 2030-08-20

Abstract

The invention relates to a single-side insulation shielding anti-interference conductive cloth, which comprises a conductive cloth body and also comprises: the first nickel plating layer covers one side of the conductive cloth body and is used for a conductive layer of the conductive cloth; the copper plating layer is connected with the first nickel plating layer and used for increasing the thickness of the conductive layer, and the copper plating layer is also used as the conductive layer of the conductive cloth; the second nickel plating layer is tightly attached to the copper plating layer and used for keeping the stability of the copper plating layer; and the insulating layer covers one side of the conductive cloth body and is used for insulating the conductive cloth body from the outside. The invention can ensure good conductivity and stability of the conductive cloth, realizes the characteristics of one surface of the conductive cloth being conductive and one surface being insulating, and solves the technical problems of not only well satisfying conductivity to release static electricity, but also shielding external signals and enabling electronic equipment not to be interfered by the external signals.

Description

Single-side insulation shielding anti-interference conductive cloth

Technical Field

The invention belongs to the technical field of electromagnetic shielding materials of electronic equipment, and particularly relates to single-sided insulation shielding anti-interference conductive cloth.

Background

The conductive cloth is a conductive fiber cloth with metal characteristics, is widely used in modern electronic equipment, and has good conductivity, and the conductive cloth in the prior art is generally double-sided conductive.

In some special application occasions, for example, the use occasions needing to shield anti-interference electromagnetic wave signals, one surface of the conductive cloth is required to be conductive, and the surface of the material needs to be in conductive contact with the shell to release static electricity for grounding; the other side is insulated to shield external signals, so that the electronic equipment is not interfered by the external signals, and the double-sided conductive fabric on the prior market cannot meet the requirements, so that new requirements are provided for the performance of the conductive fabric.

Disclosure of Invention

The invention aims to provide single-side insulation shielding anti-interference conductive cloth, which solves the technical problems that the existing conductive cloth cannot shield external signals and cannot realize one-side conduction and one-side insulation. The technical scheme used for solving the technical problems of the invention is as follows:

the utility model provides a single face insulation shielding anti-interference electrically conductive cloth, includes electrically conductive cloth body, still includes:

the first nickel plating layer covers one side of the conductive cloth body and is used for a conductive layer of the conductive cloth;

the copper plating layer is connected with the first nickel plating layer and used for increasing the thickness of the conductive layer, and the copper plating layer is also used as the conductive layer of the conductive cloth;

the second nickel plating layer is tightly attached to the copper plating layer and used for keeping the stability of the copper plating layer;

and the insulating layer covers one side of the conductive cloth body and is used for insulating the conductive cloth body from the outside.

Preferably, the conductive cloth body is bonded with the first nickel plating layer through a conductive adhesive layer, and the copper plating layer is bonded on the conductive cloth body through the conductive adhesive layer.

Further, the thickness of the first nickel plating layer is 0.001-0.002 mm.

Further, the second nickel plating layer and the copper plating layer are bonded by a conductive pressure sensitive adhesive tape.

Further, the thickness of the copper plating layer is 0.001-0.002 mm.

Further, the thickness of the second nickel plating layer is 0.001-0.002 mm.

Further, the thickness of the conductive cloth body is 0.02-0.08mm, and the thickness of the insulating layer is 0.003-0.004 mm.

Compared with the prior art, the invention has the beneficial technical effects that: according to the invention, the two nickel plating layers and the copper plating layer are covered on one side of the conductive cloth body, so that the good conductivity and stability of the conductive cloth can be ensured, the overall strength of the conductive cloth is very high, and the insulating layer is covered on the other side of the conductive cloth body, so that the characteristics of one side of the conductive cloth being conductive and one side of the conductive cloth being insulating are realized, and the technical problems that the conductivity can be well met to release static electricity, external signals can be shielded, and electronic equipment is not interfered by the external signals are solved.

Drawings

Fig. 1 is a schematic perspective view of a single-sided insulation shielding anti-interference conductive fabric according to an embodiment of the present invention;

wherein: 1. the conductive cloth comprises a conductive cloth body 2, a first nickel plating layer 3, a copper plating layer 4, a second nickel plating layer 5 and an insulating layer.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

Referring to fig. 1, the single-sided insulation shielding anti-interference conductive fabric of the present embodiment includes a conductive fabric body 1, a first nickel plating layer 2 is covered on a surface of the conductive fabric body 1, the first nickel plating layer 2 is used for a conductive layer of the conductive fabric, and the single-sided insulation shielding anti-interference conductive fabric further includes a copper plating layer 3, the copper plating layer 3 is connected to the first nickel plating layer 2, the copper plating layer 3 is used for increasing the thickness of the conductive layer, and the copper plating layer 3 is also used as the conductive layer of the conductive fabric; the second nickel plating layer 4 is tightly attached to the copper plating layer 3, and the second nickel plating layer 4 is used for keeping the stability of the copper plating layer 3; and the insulating layer 5 covers one side of the conductive cloth body 1, and is used for insulating the conductive cloth body 1 from the outside.

The effect of first nickel coating 2 is as the main conducting layer of electrically conductive cloth, first nickel coating 2 covers on electrically conductive cloth body 1, can guarantee electrically conductive cloth body 1's stability, first nickel coating 2 closely adsorbs together with copper coating 3, can prevent that copper coating 3 from droing, can not take place the condition of layer that falls, first nickel coating 2 covers can also prevent on electrically conductive cloth body 1 that electrically conductive cloth from by the oxidation, increase electrically conductive cloth's life, the maintenance cost of electrically conductive cloth has been reduced.

More specifically, the conductive cloth body 1 is bonded with the first nickel plating layer 2 through a conductive adhesive layer, the copper plating layer 3 is bonded on the conductive cloth body 1 through the conductive adhesive layer, and under the communication of the conductive adhesive, the conductive cloth body 1, the first nickel plating layer 2 and the copper plating layer 3 form a complete conductive whole, so that the conductivity is greatly enhanced.

In order to ensure the conductive effect, the thickness of the nickel plating layer should not be too large, in this embodiment, the thickness of the first nickel plating layer 2 is 0.001-0.002mm, and the thickness of the second nickel plating layer 4 is 0.001-0.002mm, in a preferred embodiment, the thickness of the first nickel plating layer 2 is 0.0015mm, and the thickness of the second nickel plating layer 4 is 0.0015 mm.

The second nickel plating layer 4 is bonded with the copper plating layer 3 through the conductive pressure sensitive adhesive tape, and the conductive pressure sensitive adhesive tape has good conductive property and can easily realize the performance of close fitting, so that the copper plating layer 3 can be tightly bonded with the second nickel plating layer 4, and the copper plating layer 3 cannot easily fall off.

In the present embodiment, the thickness of the copper plating layer 3 is 0.001 to 0.002mm, and preferably, the thickness of the copper plating layer 3 is 0.0015 mm; the thickness of the conductive cloth body 1 is 0.02-0.08mm, the thickness of the insulating layer 5 is 0.003-0.004mm, preferably, the thickness of the conductive cloth body 1 is 0.05mm, and the thickness of the insulating layer 5 is 0.0035 mm.

The insulating layer 5 can be formed by adding anti-interference powder into silicone oil, mixing according to a certain proportion, stirring and curing, and the insulating layer 5 is used for sealing and filling micro gaps on the surface of the conductive cloth to achieve the shielding effect.

The manufacturing process of the single-side insulation shielding anti-interference conductive cloth comprises the following steps:

taking a conductive cloth body 1 with the thickness of 0.05mm, electroplating a first nickel plating layer 2 in a vacuum environment, wherein the thickness of the first nickel plating layer 2 is 0.0015mm, and bonding the first nickel plating layer 2 on the conductive cloth body 1 through conductive adhesive;

the first nickel plating layer 2 is taken as a substrate, the copper plating layer 3 is plated in a water plating mode, and the thickness of the copper plating layer 3 is preferably 0.0015 mm;

the second copper plating layer 5 is taken as a substrate, and the plating of the second nickel plating layer 4 is completed in a water plating mode, wherein the thickness of the second nickel plating layer 4 is 0.0015 mm;

then, the conductive cloth body 1 is turned to the other side, the surface of the conductive cloth body 1 is covered with an insulating layer 5, and the thickness of the insulating layer 5 is 0.0035 mm.

Thus, the whole manufacturing process of the single-side insulation shielding anti-interference conductive cloth is completed.

According to the invention, the two nickel plating layers and the copper plating layer are covered on one side of the conductive cloth body, so that the good conductivity and stability of the conductive cloth can be ensured, the overall strength of the conductive cloth is very high, and the insulating layer is covered on the other side of the conductive cloth body, so that the characteristics of one side of the conductive cloth being conductive and one side of the conductive cloth being insulating are realized, and the technical problems that the conductivity can be well met to release static electricity, external signals can be shielded, and electronic equipment is not interfered by the external signals are solved.

The above examples merely represent several embodiments of the present invention, which are described in more detail and in more detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a single face insulation shielding anti-interference electrically conductive cloth, includes electrically conductive cloth body (1), its characterized in that still includes:

the first nickel plating layer (2), the first nickel plating layer (2) covers one side of the conductive cloth body (1), and the first nickel plating layer (2) is used for a conductive layer of the conductive cloth;

the copper plating layer (3), the copper plating layer (3) is connected with the first nickel plating layer (2), the copper plating layer (3) is used for increasing the thickness of the conducting layer, and the copper plating layer (3) is also used as the conducting layer of the conducting cloth;

the second nickel plating layer (4), the second nickel plating layer (4) is closely attached to the copper plating layer (3), and the second nickel plating layer (4) is used for keeping the stability of the copper plating layer (3);

the insulating layer (5) covers one side of the conductive cloth body (1) and is used for insulating the conductive cloth body (1) from the outside.

2. The single-sided insulation shielding anti-interference conductive cloth according to claim 1, wherein the conductive cloth body (1) is bonded to the first nickel plating layer (2) through a conductive adhesive layer, and the copper plating layer (3) is bonded to the conductive cloth body (1) through a conductive adhesive layer.

3. The single-sided insulation shielding anti-interference conductive cloth according to claim 1 or 2, wherein the thickness of the first nickel-plated layer (2) is 0.001-0.002 mm.

4. The single-sided insulation shielding anti-interference conductive cloth according to claim 1, wherein the second nickel plating layer (4) and the copper plating layer (3) are bonded by a conductive pressure sensitive adhesive tape.

5. The single-sided insulation shielding anti-interference conductive cloth according to claim 4, wherein the thickness of the copper plating layer (3) is 0.001-0.002 mm.

6. The single-sided insulation shielding anti-interference conductive cloth according to claim 1 or 4, wherein the thickness of the second nickel-plated layer (4) is 0.001-0.002 mm.

7. The single-sided insulation shielding anti-interference conductive cloth according to claim 1, wherein the thickness of the conductive cloth body (1) is 0.02-0.08mm, and the thickness of the insulating layer (5) is 0.003-0.004 mm.