CN115395215A - Antenna, electronic equipment and preparation method of antenna - Google Patents

Abstract

The present application discloses an antenna, an electronic device and a method for preparing the antenna. The antenna includes: an antenna; a transmission component attached to the clearance area of the antenna; the transmission component includes a first transmission member and/or a second transmission member . In this application, the radiation characteristics of the antenna are adjusted by the transmission components attached to the clearance area of the antenna, which means that the radiation characteristics of the antenna are more omnidirectional, so as to improve the wireless transmission efficiency and wireless transmission volume, and at the same time, no other process is required. The manufacturing efficiency and cost are improved, and it has universality.

Description

A kind of antenna, electronic equipment and preparation method of antenna

technical field

The present application relates to the technical field of antenna design, in particular to an antenna, an electronic device and a method for preparing the antenna.

Background technique

At present, users have higher and higher requirements for the screen-to-body ratio of electronic devices. For example, in order to increase the screen-to-body ratio in the design of notebook computers, the antenna is placed close to the motherboard side of the notebook computer, but the dead angle of the antenna on the motherboard side increases. This results in poor performance in wireless signal transmission (including transmission and reception).

In the existing technology, by adjusting the antenna position, such as placing the main and auxiliary antennas on the left and right sides above the screen, the radiation characteristics of the main and auxiliary antennas can complement each other, thereby improving wireless transmission efficiency, but this method cannot achieve a higher screen-to-body ratio the goal of. On the basis of ensuring a high screen-to-body ratio, the antenna needs to be moved down to the motherboard side, and the dead angle of signal transmission can be reduced by increasing the size of the antenna and the clearance area, thereby improving wireless transmission performance. However, the headroom and size of the antenna cannot be adjusted at will, and it needs to be designed for each type and size of electronic equipment, which is not universal, and the manufacturing efficiency and cost are low.

Contents of the invention

The purpose of the embodiments of the present application is to provide an antenna, an electronic device and a method for preparing the antenna, which can increase the manufacturing efficiency at a lower cost while improving the wireless transmission performance, and have universality.

In a first aspect, an embodiment of the present application provides an antenna for an electronic device, including:

Antenna body;

A transmission component attached to the headroom corresponding to the antenna body; wherein the headroom is used to isolate the antenna body from other metal components of the electronic device;

The transmission component includes a first transmission element and/or a second transmission element, and the first transmission element and the second transmission element are used to adjust the radiation characteristics of the antenna body.

In a possible implementation manner, the transmission component is located inside the clearance area.

In a possible implementation manner, when the transmission assembly includes a first transmission part and a second transmission part, the first transmission part and the second transmission part have preset shapes.

In a possible implementation manner, the second end of the second transmission member is attached to the first end of the first transmission member.

In a possible implementation manner, the first side of the first transmission member is larger than the second side of the second transmission member.

In a possible implementation manner, the first side of the first transmission member is used to adjust the low-frequency radiation characteristics of the antenna body, and the second side of the second transmission member is used to adjust the antenna body high-frequency radiation characteristics.

In a possible implementation manner, the first side of the first transmission element and the second side of the second transmission element have a preset ratio to their corresponding wavelengths.

In a possible implementation manner, the first transmission element is a reflector, and the second transmission element is a guide.

In a second aspect, an embodiment of the present application further provides an electronic device, which includes the antenna according to any one of the first aspect, where the antenna is adjacent to a side of a motherboard of the electronic device.

In the third aspect, the embodiment of the present application also provides a method for preparing an antenna, which is used to prepare the antenna described in any one of the first aspect, including:

In the vacuum furnace, the conductive material is sputtered onto the plastic surface by high voltage to obtain the antenna;

Wherein, the plastic surface is provided with a preset shape.

In the embodiment of the present application, the radiation characteristics of the antenna body are adjusted through the transmission component attached to the headroom area of the antenna body, which means that the radiation characteristics of the antenna body are more omnidirectional, so as to improve the wireless transmission performance and wireless transmission volume. At the same time, no The addition of other technological processes improves the manufacturing efficiency at a lower cost, and has versatility.

Description of drawings

In order to more clearly illustrate the technical solutions in the present application 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. Obviously, the accompanying drawings in the following description are only the present invention. For some embodiments described in the application, those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.

FIG. 1 shows a schematic structural diagram of an antenna provided by the present application;

FIG. 2 shows a schematic structural diagram of another antenna provided by the present application;

FIG. 3A shows a two-dimensional field diagram of a 2.4GHz antenna when no transmission component is set;

FIG. 3B shows a two-dimensional field diagram of the 2.4GHz antenna after the transmission component is set;

Figure 4A shows a two-dimensional field diagram of a 5.15GHz antenna when no transmission component is set;

FIG. 4B shows a two-dimensional field diagram of the 5.15GHz antenna after the transmission component is set;

Fig. 5A also shows the two-dimensional field diagram of the 2.4GHz antenna before and after setting the transmission component;

Figure 5B also shows the two-dimensional field diagram of the 5GHz antenna before and after the transmission component is set;

Fig. 6 shows the parameter table of the wireless transmission throughput performance of the antenna before and after setting the transmission component of the embodiment of the present application;

FIG. 7 shows a schematic diagram of an antenna provided on the electronic device provided by the present application when it is a notebook computer.

Reference signs:

1 - antenna body; 2 - transmission component; 21 - first transmission element; 211 - first side; 22 - second transmission element; 221 - second side.

Detailed ways

Various aspects and features of the present application are described herein with reference to the accompanying drawings.

It should be understood that various modifications may be made to the embodiments applied for herein. Accordingly, the above description should not be viewed as limiting, but only as exemplifications of embodiments. Those skilled in the art will envision other modifications within the scope and spirit of the application.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the application and, together with the general description of the application given above and the detailed description of the embodiments given below, serve to explain the embodiments of the application. principle.

These and other characteristics of the present application will become apparent from the following description of preferred forms of embodiment given as non-limiting examples with reference to the accompanying drawings.

It should also be understood that, while the application has been described with reference to a few specific examples, those skilled in the art can certainly implement many other equivalents of the application, which have the features of the claims and are thus located. within the limited scope of protection.

The above and other aspects, features and advantages of the present application will become more apparent in view of the following detailed description when taken in conjunction with the accompanying drawings.

Specific embodiments of the present application are hereinafter described with reference to the accompanying drawings; however, it should be understood that the applied embodiments are merely examples of the present application, which can be implemented in various ways. Well-known and/or repetitive functions and constructions are not described in detail to avoid obscuring the application with unnecessary or redundant detail. Therefore, specific structural and functional details disclosed herein are not intended to be limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present invention in virtually any suitable detailed structure. Application.

This specification may use the phrases "in one embodiment," "in another embodiment," "in yet another embodiment," or "in other embodiments," which may refer to the same or one or more of the different embodiments.

An embodiment of the present application provides an antenna. FIG. 1 shows a schematic structural diagram of the antenna. Referring to FIG. 1, it can be seen that the antenna includes an antenna body 1 and a transmission component 2 attached to the clearance area corresponding to the antenna body 1; , the clearance area is used to isolate the antenna body from other metal devices of the electronic equipment, so as to avoid the influence of other metal devices on the communication of the antenna body and ensure the communication effect of the antenna; the transmission component 2 adopts mechanical auxiliary materials with conductivity such as Conductive materials, such as aluminum foil, conductive cloth, etc., can be used to prepare the antenna of the embodiment of the present application at a relatively low cost.

Moreover, the transmission component 2 is attached to the clearance area of the antenna body 1 through an adhesive material, wherein the operation of attaching the transmission assembly 2 to the clearance area of the antenna body 1 can be performed outside the factory, thereby reducing the assembly man-hours in the factory, that is, In other words, the antenna provided by the embodiment of the present application does not need to add other process flow, and the manufacturing efficiency is improved at a lower cost. Moreover, the transmission component 2 of the embodiment of the present application can be directly attached to the clearance area corresponding to the original antenna body 1, and there is no need to separately and additionally set the clearance area, that is, it will not affect the original space design of the electronic equipment, nor will it affect High screen-to-body ratio settings for electronic devices.

Further, the transmission component 2 includes a first transmission part 21 and/or a second transmission part 22, and the first transmission part 21 and the second transmission part 22 are used to adjust the radiation characteristics of the antenna body. Here, the first transmission element 21 and the second transmission element 22 can respectively improve different frequency bands, for example, the first transmission element 21 is used to improve low frequency bands such as 2.4GHz, and the second transmission element 22 is used to improve high frequency bands such as 5GHz, etc. Of course, it is also possible to set the first transmission element 21 to improve the high frequency band, and the second transmission element 22 to improve the low frequency band, which is not specifically limited in this embodiment of the present application. It is worth noting that the first transmission member 21 is a reflector, and the second transmission member 22 is a guide. Of course, it is also possible to set the first transmission member 21 as a guide, and the second transmission member 22 as a reflector. This is not specifically limited.

As shown in Figure 2, the first transmission part 21 and the second transmission part 22 are rectangular, and in the case that the transmission assembly 2 includes the first transmission part 21 and the second transmission part 22, the first transmission part 21 and the second transmission part The part 22 is L-shaped or L-like. Preferably, the second end of the second transmission part 22 is attached to the first end of the first transmission part 21 . Wherein, one end of the second transmission member 22 is attached to any position of the first transmission member 21, that is to say, the bonding position between the first transmission member 21 and the second transmission member 22 can be adjusted, for example, for different Types of electronic equipment, different models of the same electronic equipment, etc., can adaptively adjust the bonding position between the first transmission member 21 and the second transmission member 22, so that the transmission component 2 can conform to the design of the antenna, refer to FIG. 2 , the dotted line indicates multiple positions of the second transmission member 22 , those skilled in the art should know that FIG. 2 is only a possible example.

Continuing to refer to the structural diagram shown in FIG. 2, the first side 211 of the first transmission member 21 is larger than the second side 221 of the second transmission member 22, at this time, the first side 211 of the first transmission member 21 can be set 21-41mm, preferably 31mm, which is used to adjust the low-frequency radiation characteristics of the antenna body 1; the second side 221 of the second transmission member 22 can be set to 6-26mm, preferably 16mm, which is used to adjust the High frequency radiation characteristics.

In a specific implementation, the shape and size of the first transmission member 21, the second transmission member 22, and the transmission assembly 2 are first designed according to the environment with electromagnetic simulation software, and then the first transmission member 21 and/or the second transmission member 22 are formed. The transmission component 2 is attached to the electronic device, and the shape, size, etc. are adjusted according to the attachable environment and material; after that, the adjusted transmission component 2 is used to measure the wireless transmission throughput, and the wireless transmission throughput obtained according to the actual measurement Throughput optimizes the shape and size of the first transport member 21 , the second transport member 22 and the transport assembly 2 to obtain a better shape, size and the like.

The transmission component is tested by electromagnetic simulation software. Figure 3A shows the two-dimensional field diagram of the 2.4GHz antenna without the transmission component. Figure 3B shows the two-dimensional field diagram of the 2.4GHz antenna after the transmission component is set. Figure 4A shows Figure 4B shows the two-dimensional field diagram of the 5.15GHz antenna without the transmission component, and Figure 5A shows the two-dimensional field diagram of the 2.4GHz antenna before and after the transmission component is set. Field diagram, FIG. 5B also shows the two-dimensional field diagram of the 5GHz antenna before and after the transmission component is installed.

And, the wireless transmission throughput performance before and after setting the transmission component of the embodiment of the present application can be represented by the parameters in the table as shown in Figure 6, wherein, TX (transport) in Figure 6 represents transmission, RX ( receive) means receiving. It can be seen from the parameters in Figure 6 that after setting the transmission components, the wireless transmission throughput performance of the antenna is significantly improved.

It should be noted that, when the transmission component 2 only includes the first transmission part 21 or only the second transmission part 22, the transmission component 2 is only used to improve the low frequency band or only to improve the high frequency band.

Optionally, the first side of the first transmission member 21 and the second side of the second transmission member 22 have a preset ratio to their corresponding wavelengths, wherein the preset ratio is 1:4.

进而，第一侧边为

同样地，第二传输件22的第二侧边对应的波同样为λ＝c/f，c＝3*10⁸m/s，对应的f＝5GHz，因此，第二侧边对应的波长为

进而，第二侧边为

其中，λ表示波长，c表示光速3*10⁸m/s，f表示频率。For example, the wavelength corresponding to the first side of the first transmission member 21 is λ=c/f, at this time, c=3*10 ⁸ m/s, f=2.4GHz, therefore, the wavelength corresponding to the first side is

Furthermore, the first side is

Similarly, the wave corresponding to the second side of the second transmission member 22 is also λ=c/f, c=3*10 ⁸ m/s, corresponding to f=5GHz, therefore, the wavelength corresponding to the second side is

Furthermore, the second side is

Among them, λ represents the wavelength, c represents the speed of light 3*10 ⁸ m/s, and f represents the frequency.

In the embodiment of the present application, the transmission component 2 attached to the clearance area of the antenna body 1 is used to adjust the receiving and radiation characteristics of the antenna, that is, to make the receiving and radiation characteristics of the antenna more omnidirectional, so as to improve wireless transmission performance and wireless transmission capacity, and at the same time , without adding other technological processes, the manufacturing efficiency is improved at a lower cost, and it has universality.

In a second aspect, an embodiment of the present application further provides an electronic device, which includes the above-mentioned antenna, and the antenna is adjacent to a side of a main board of the electronic device. As shown in FIG. 7 , it shows a schematic diagram of an antenna provided when the electronic device is a notebook computer.

In the third aspect, the embodiment of the present application also provides a preparation method of the antenna, and the antenna described in the first aspect can be prepared by using the preparation method, wherein, specifically, in a vacuum furnace, the conductive material is sputtered onto the plastic surface to obtain an antenna; wherein, the plastic surface is provided with a preset shape, and the preset shape is adjusted according to different electronic devices.

The above description is only a preferred embodiment of the present application and an illustration of the applied technical principles. Those skilled in the art should understand that the scope of disclosure involved in this application is not limited to the technical solution formed by the specific combination of the above technical features, but also covers the technical solutions made by the above technical features without departing from the above disclosed concept. Other technical solutions formed by any combination of or equivalent features thereof. For example, a technical solution formed by replacing the above-mentioned features with technical features with similar functions disclosed in (but not limited to) this application.

In addition, while operations are depicted in a particular order, this should not be understood as requiring that the operations be performed in the particular order shown or performed in sequential order. Under certain circumstances, multitasking and parallel processing may be advantageous. Likewise, while the above discussion contains several specific implementation details, these should not be construed as limitations on the scope of the application. Certain features that are described in the context of separate embodiments can also be implemented in combination in a single embodiment. Conversely, various features that are described in the context of a single embodiment can also be implemented in multiple embodiments separately or in any suitable subcombination.

Although the subject matter has been described in language specific to structural features and/or methodological acts, it is to be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or acts described above. Rather, the specific features and acts described above are merely example forms of implementing the claims.

Multiple embodiments of the present application have been described in detail above, but the present application is not limited to these specific embodiments. Those skilled in the art in the field can make various variations and modifications on the basis of the concept of the application. These variations and All modifications should fall within the scope of protection claimed by this application.

Claims (10)

1. An antenna of an electronic device, comprising:

an antenna body;

the transmission component is attached to the clearance area corresponding to the antenna body; the clearance area is used for isolating the antenna body from other metal devices of the electronic equipment;

the transmission assembly comprises a first transmission piece and/or a second transmission piece, and the first transmission piece and the second transmission piece are used for adjusting the radiation characteristic of the antenna body.

2. The antenna of claim 1, wherein the transmission component is located inside the headroom region.

3. The antenna of claim 1, wherein the first and second transmission members are of a predetermined shape in a case where the transmission assembly includes the first and second transmission members.

4. The antenna of claim 1, wherein the second end of the second transmission member abuts the first end of the first transmission member.

5. The antenna of claim 1, wherein the first side of the first transmission member is larger than the second side of the second transmission member.

6. The antenna according to any one of claims 1 to 5, wherein the first side of the first transmission member is configured to adjust a low-frequency radiation characteristic of the antenna body, and the second side of the second transmission member is configured to adjust a high-frequency radiation characteristic of the antenna body.

7. The antenna of claim 6, wherein the first side of the first transmission element and the second side of the second transmission element are in a predetermined ratio to their corresponding wavelengths.

8. The antenna of claim 6, wherein the first transmission member is a reflector and the second transmission member is a director.

9. An electronic device comprising an antenna according to any one of claims 1 to 8, the antenna being adjacent a motherboard side of the electronic device.

10. A method for manufacturing an antenna, the method being used for manufacturing the antenna of any one of claims 1 to 8, comprising:

sputtering a conductive material on the surface of the plastic in a vacuum furnace at high pressure to obtain an antenna;

wherein the plastic surface is provided with a predetermined shape.

Images