WO2021027064A1

WO2021027064A1 - Non-conductive shell-type antenna structure

Info

Publication number: WO2021027064A1
Application number: PCT/CN2019/112966
Authority: WO
Inventors: 杨孟; 刘飞; 游志聪
Original assignee: 东莞美景科技有限公司
Priority date: 2019-08-13
Filing date: 2019-10-24
Publication date: 2021-02-18
Also published as: CN212011262U

Abstract

The present utility model belongs to the field of electronic devices, and in particular relates to a non-conductive shell-type antenna structure. The antenna structure comprises a non-conductive shell, a coating shielding layer arranged on the shell, a roughening treatment layer arranged on the coating shielding layer, and a conductive layer arranged on the roughening treatment layer; and the conductive layer is formed on the roughening treatment layer by means of metal spraying. Compared with the prior art, the antenna structure solves the problem of arranging an antenna structure on a non-conductive shell being difficult, and the formed antenna structure is not only simple in terms of structure, same is also more stable, and is less prone to falling, which guarantees the performance of the antenna structure more successfully. Moreover, the coating shielding layer has a certain shielding effect on the transparent or semitransparent non-conductive shell, thus preventing the internal structure of the shell from being seen; and the roughening treatment layer is arranged on an inner side of the shell, so that the overall appearance of the shell is not influenced.

Description

Antenna structure of non-conductive shell

Technical field

The utility model belongs to the field of electronic equipment, and particularly relates to an antenna structure of a non-conductive shell.

Background technique

With the development of technology and the advent of the 5G era, more and more electronic products use non-conductive shells (similar to glass) as the shell. At present, the existing antenna structure made on the non-conductive shell generally adopts LDS antenna technology, that is, the metal antenna is formed by electroless plating directly on the support using laser laser technology. The production cost of LDS is relatively high, and the process involves electroplating. Pollution to the environment, and the antenna structure produced by this process is easy to fall off. In addition, the appearance of the existing glass casing is relatively monotonous, which cannot meet people's requirements for the appearance of the casing.

Utility model content

One purpose of the present invention is to provide an antenna structure with a non-conductive housing in view of the deficiencies in the prior art.

The utility model adopts the following technical solutions:

An antenna structure of a non-conductive housing, which includes a non-conductive housing, a paint shielding layer provided on the housing, a roughening treatment layer provided on the paint shielding layer, and a conductive Layer; The conductive layer is formed on the roughened layer by metal spraying.

Further, a film layer is arranged between the shell and the paint shielding layer.

Further, the shell is a glass shell or an acrylic shell.

Further, the film-sticking layer includes an outer wall surface and an inner wall surface, and the outer wall surface of the film-sticking layer is provided with a corresponding pattern structure, and is bonded or sucked on the shell.

Further, the film layer is a resin material film.

Further, the film layer is a PE film, a PET film or a PVC film.

Further, the thickness of the film layer is 20-500 microns.

Further, the conductive layer is composed of one or more layers of metal particles or powder coating.

Further, a spray paint layer is provided on the outer surface of the conductive layer.

Compared with the prior art, the beneficial effects obtained by the utility model:

1) By arranging a paint shielding layer on the non-conductive shell, and forming a conductive layer on the paint shielding layer by metal spraying, the problem of difficulty in installing an antenna structure on the non-conductive shell is solved, and the formed antenna structure is not only simple in structure, Moreover, it is more stable, not easy to fall off, and better guarantees the performance of the antenna structure; at the same time, the paint shielding layer has a certain shielding effect on the transparent or translucent non-conductive shell, avoiding the internal structure of the shell, and it is roughened on the shell. The inside of the body does not affect the overall appearance of the shell.

2) The use of a glass shell, etc., enriches the types of shell materials and reduces the overall weight of the shell, which is convenient for carrying. At the same time, the antenna structure is arranged on a structure such as a glass shell, so that the antenna structure will not be bent and deformed during assembly, so as to better ensure the performance of the antenna to obtain the transmitted signal and the received signal.

Another object of the present invention is to provide an electronic device, which is provided with an antenna structure, and the antenna structure is the aforementioned non-conductive housing antenna structure.

Description of the drawings

In order to more clearly describe the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. It is obvious that the drawings in the following description These are just some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work.

Figure 1 is a schematic structural diagram of an embodiment of the utility model;

Fig. 2 is a plan view example one of the antenna structure corresponding to Fig. 1;

Fig. 3 is a plan view example 2 of the antenna structure corresponding to Fig. 1;

In the figure: shell 1; film layer 2; roughening treatment layer 3; conductive layer 4; paint shielding layer 5; feeding point 6.

detailed description

The following describes the technical solutions in the embodiments of the present utility model clearly and completely with reference to the drawings in the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

The following describes the utility model in detail with reference to Figures 1 to 3 and this embodiment:

A non-conductive housing antenna structure, which includes a non-conductive housing 1, a paint shielding layer 5 arranged on the housing 1, a roughening treatment layer 3 arranged on the paint shielding layer 5, and a roughening The conductive layer 4 on the treatment layer 3; the conductive layer 4 is formed on the roughening treatment layer 3 by metal spraying.

By arranging the paint shielding layer 5 on the non-conductive housing and forming the conductive layer 4 by metal spraying on the paint shielding layer 5, the problem of difficulty in installing the antenna structure on the non-conductive housing is solved, and the formed antenna structure is not only simple in structure , And the formed conductive layer 4 is more stable and not easy to fall off, which better guarantees the performance of the antenna structure. At the same time, the paint shielding layer 5 has a certain shielding effect on the transparent or semi-transparent non-conductive shell, so as to avoid seeing the internal structure of the shell and affecting the sensory perception; and the roughening is arranged on the inner side of the non-conductive shell without affecting the whole of the shell Exterior.

Specifically, before setting the paint shielding layer 5, a corresponding feeding point is reserved. A roughening treatment layer 3 formed by a surface treatment process is provided on the inner wall surface of the paint shielding layer 5, and a corresponding pattern groove position is arranged on the roughening treatment layer 3; this pattern groove position has a certain depth, usually more than The inner wall surface of the paint shielding layer 5 is 0.01 to 0.1 mm lower. Through the metal spraying technology, the pattern grooves are filled to form the corresponding conductive layer 4; the conductive layer 4 can form a connecting line, an antenna and other connecting line structures on the housing 1, and a connecting line structure such as the antenna Or multiple feed points 6 are connected to internal electronic components through feed points 6. The present utility model does not specifically limit the connection line structure formed by the conductive layer 4, and all belong to the protection scope of the present utility model. Wherein, the paint shielding layer 5 plays the role of shielding the internal structure of the transparent or translucent shell, so the paint shielding layer 5 can be a paint shielding layer, an ink shielding layer, or a shielding layer formed by other colored paints. The present utility model does not specifically limit the paint shielding layer 5, and all belong to the protection scope of the present utility model.

Metal spraying technology, including thermal spraying and cold spraying. Thermal spraying refers to the use of a certain heat source (such as electric arc, plasma spraying or combustion flame, etc.) to heat powdered or filamentary metal or non-metallic materials to a molten or semi-molten state , And then with the help of high-speed gas jet at a certain speed to the surface of the pretreated substrate, deposition to form a surface coating with various functions. Cold spraying means that the metal particles are not melted during the entire spraying process. The compressed air is used to accelerate the metal particles, and the metal particles are crushed on the surface of the substrate and adhere firmly. In this embodiment, conductive materials are selected for the coating material, and sprayed to form a conductive layer; in addition, the coating material can also include different mixed materials, so that it can achieve conductivity while also having wear resistance, corrosion resistance, and One or several properties such as oxidation and heat conduction.

Furthermore, a film layer 2 is provided between the casing 1 and the paint shielding layer 5. Specifically, the film layer 2 includes an outer wall surface and an inner wall surface. The inner wall surface of the film layer 2 is provided with a paint shielding layer 5; the outer wall surface of the film layer 2 is optically plated (that is, one or more layers are plated on the surface of the part). The metal (or medium) film process) and other processes are processed to enhance the performance of the film layer 2, such as changing the gloss and wear resistance of the outer wall surface of the film layer 2. At the same time, a film layer 2 is provided on the non-conductive housing, and a paint shielding layer 5 and a conductive layer 4 formed by metal spraying are provided on the film layer 2, which solves the problem of difficulty in installing an antenna structure on the non-conductive housing.

Further, the casing 1 is a glass casing, a ceramic casing, an acrylic casing, or other transparent or translucent material casings, which enriches the types of casing materials, reduces the weight of the casing, and is more portable. The antenna structure is arranged on a glass shell, a ceramic shell, and other transparent or translucent material shells, so that the antenna structure will not be bent and deformed during assembly, so as to better ensure the antenna's performance in acquiring transmitted and received signals. When a ceramic shell is used, the corresponding paint shielding layer 5 may not be provided.

In this embodiment, the thickness of the paint shielding layer 5 is 0.02-0.1mm; the thickness of the roughening treatment layer is 0.01-0.08mm; the thickness of the conductive layer is 0.02-0.1mm; the antenna structure set according to the above thickness value, the antenna The performance of the structure is optimal.

Further, the outer wall surface of the film layer 2 is provided with a corresponding pattern structure; and the outer wall surface is bonded or covered on the housing 1. Specifically, the pattern structure includes pattern design, color design (for example, using gradient colors), 3D modeling, etc. The present invention does not limit the specific structure of the pattern structure, and all belong to the protection scope of the present invention. Corresponding pattern structure is provided on the outer wall surface of the film layer 2. When the shell 1 adopts a transparent or semi-transparent shell, the pattern structure acts as a shield to avoid seeing the internal structure of the shell 1 and affect the sense; at the same time, the film layer 2 is outside The pattern structure on the wall surface can adopt a gradual pattern or any other pattern, which enriches the appearance effect of the shell and increases the aesthetic feeling.

Further, the film layer 2 is a resin material film; preferably, the film layer 2 is a PE film, a PET film, or a PVC film or other film structure used on glass or acrylic housings; the above film structure is adopted, and the performance of the film layer Great.

Further, the thickness of the film layer 2 is 20-500 microns; the film layer 2 needs a certain thickness for optical plating and attachment, etc., if the film layer 2 is too thin, it is not easy to process, if the film layer 2 is too thick, then It occupies a large space and wastes materials. Therefore, when the thickness of the film layer 2 is 20-500 microns, the most suitable and the performance of the film layer is the best.

Further, the conductive layer 4 is composed of one or more layers of metal particles or powder coating. Specifically, the conductive layer 4 is one or more of zinc coating, zinc alloy coating, tin coating, tin alloy coating, aluminum coating, aluminum alloy coating, copper coating or copper alloy coating. Combine to form one or more layers.

Further, a spray paint layer is provided on the outer surface of the conductive layer 4; the spray paint layer plays a protective role and can further protect the structure of the conductive layer 4 to avoid touching the conductive layer 4 when the antenna structure is installed and affecting the performance of the antenna structure. Specifically, the spray paint layer can be completed by the existing spray paint technology, which belongs to the conventional technology in the field.

The utility model also provides an electronic device, which is provided with an antenna structure, and the antenna structure is the antenna structure of the non-conductive housing. The electronic device has all the advantages of the antenna structure of the non-conductive housing. The electronic devices in the present invention include smart phones, tablet computers, smart home appliances and smart wearable devices, etc. However, the present invention does not limit specific electronic devices, and all fall within the protection scope of the present invention.

The utility model is further described above with the help of specific embodiments, but it should be understood that the specific description here should not be construed as limiting the essence and scope of the utility model. Those of ordinary skill in the art should read this specification after reading this specification. The various modifications made to the above embodiments all fall within the scope of protection of the present utility model.

Claims

An antenna structure of a non-conductive housing, characterized in that it comprises a non-conductive housing, a paint shielding layer provided on the housing, a roughening treatment layer provided on the paint shielding layer, and a A conductive layer on the roughening treatment layer; the conductive layer is formed on the roughening treatment layer by metal spraying.
The antenna structure of the non-conductive housing according to claim 1, wherein a film layer is provided between the housing and the paint shielding layer.
The antenna structure of the non-conductive housing according to claim 2, wherein the housing is a glass housing or an acrylic housing.
The antenna structure of the non-conductive housing according to claim 3, wherein the film layer includes an outer wall surface and an inner wall surface, and the outer wall surface of the film layer is provided with a corresponding pattern structure, and is bonded or sucked Covered on the shell.
The antenna structure of the non-conductive housing according to claim 3, wherein the film layer is a resin material film.
The antenna structure of the non-conductive housing according to claim 5, wherein the film layer is a PE film, a PET film or a PVC film.
The antenna structure of the non-conductive housing according to claim 3, wherein the thickness of the film layer is 20-500 microns.
The antenna structure of the non-conductive housing according to claim 1, wherein the conductive layer is composed of one or more layers of metal particles or powder coating.
The antenna structure of the non-conductive housing according to claim 1, wherein a spray paint layer is provided on the outer surface of the conductive layer.
An electronic device provided with an antenna structure, wherein the antenna structure is the antenna structure of the non-conductive housing according to any one of claims 1-9.