CN112928436B

CN112928436B - Electronic equipment

Info

Publication number: CN112928436B
Application number: CN202110138255.4A
Authority: CN
Inventors: 严伟; 陈玉稳
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2023-05-26
Anticipated expiration: 2041-02-01
Also published as: CN112928436A

Abstract

The application discloses electronic equipment includes: the magnetic component comprises a first component, a second component, a rotating shaft, a first magnetic absorption part and a second magnetic absorption part, wherein the first component and the second component are connected through the rotating shaft; the electronic equipment further comprises at least one of a first antenna structure and a second antenna structure, the first antenna structure comprises a first radio frequency circuit and a first near field communication NFC antenna coil, and the first NFC antenna coil is wound on the rotating shaft and is electrically connected with the first radio frequency circuit; the second antenna structure comprises a second radio frequency circuit and a second NFC antenna coil, and the second NFC antenna coil is wound on the first magnetic absorption piece and is electrically connected with the second radio frequency circuit. Thus, the occupied space of the NFC antenna structure of the electronic device can be reduced.

Description

Electronic equipment

Technical Field

The application belongs to the technical field of antennas, and particularly relates to electronic equipment.

Background

In the related art, the design scheme of the near field communication (Near Field Communication, NFC) antenna mainly includes two kinds, one is a dual-port feeding circuit board and ferrite scheme, and the other is a single-port feeding scheme using a metal frame as the NFC antenna. However, as the number of antennas on electronic devices increases, the design space of a single antenna is smaller and smaller, and particularly, an NFC antenna adopting a dual-port feeding design scheme has a problem that the space occupation of the NFC antenna is large due to the installation space required for designing a circuit board and ferrite in the antenna scheme.

As can be seen, in the design scheme of dual-port feeding, the NFC antenna has a problem of large space occupation.

Disclosure of Invention

The application aims at providing electronic equipment, and can solve the problem that the space occupation of an NFC antenna is large in a design scheme of dual-port feeding.

In order to solve the technical problems, the application is realized as follows:

the embodiment of the application provides electronic equipment, which comprises: the magnetic absorption device comprises a first component, a second component, a rotating shaft, a first magnetic absorption part and a second magnetic absorption part, wherein the first component and the second component are connected through the rotating shaft, the first magnetic absorption part is arranged on the first component, the second magnetic absorption part is arranged on the second component, the first component and the second component can be absorbed and attached through the first magnetic absorption part and the second magnetic absorption part, and the rotating shaft is a magnetic conduction part made of a magnetic conduction material;

the electronic device further comprises at least one of a first antenna structure and a second antenna structure, wherein,

the first antenna structure comprises a first radio frequency circuit and a first near field communication NFC antenna coil, and the first NFC antenna coil is wound on the rotating shaft and is electrically connected with the first radio frequency circuit;

the second antenna structure comprises a second radio frequency circuit and a second NFC antenna coil, and the second NFC antenna coil is wound on the first magnetic absorption part and is electrically connected with the second radio frequency circuit.

In the embodiment of the application, through utilizing pivot and/or first magnetism to inhale the iron core that the piece was regarded as NFC antenna coil, need not to set up the NFC antenna function that ferrite sheet isotructure realized electronic equipment alone, the effectual occupation space who reduces electronic equipment's NFC antenna structure.

Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.

Drawings

The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, wherein:

fig. 1 is one of schematic structural diagrams of an electronic device provided in an embodiment of the present application;

FIG. 2 is a second schematic structural diagram of an electronic device according to an embodiment of the present disclosure;

FIG. 3 is a third schematic structural diagram of an electronic device according to an embodiment of the present disclosure;

fig. 4 is a schematic diagram of the effect of the magnetic loop provided in the embodiment of the present application.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functionality throughout. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

The features of the terms "first", "second", and the like in the description and in the claims of this application may be used for descriptive or implicit inclusion of one or more such features. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

As shown in fig. 1 to 3, an embodiment of the present application provides an electronic device, including: the first component 10, the second component 20, the rotating shaft 30, the first magnetic absorption part 41 and the second magnetic absorption part 42, wherein the first component 10 and the second component 20 are connected through the rotating shaft 30, the first magnetic absorption part 41 is arranged on the first component 10, the second magnetic absorption part 42 is arranged on the second component 20, the first component 10 and the second component 20 can be absorbed and attached through the first magnetic absorption part 41 and the second magnetic absorption part 42, and the rotating shaft 30 is a magnetic conduction part made of a magnetic conduction material;

the first antenna structure comprises a first radio frequency circuit (not shown) and a first NFC antenna coil 51, and the first NFC antenna coil 51 is wound on the rotating shaft 30 and is electrically connected with the first radio frequency circuit;

the second antenna structure includes a second radio frequency circuit (not shown) and a second NFC antenna coil 52, and the second NFC antenna coil 52 is wound around the first magnetic attraction element and is electrically connected to the second radio frequency circuit.

In this embodiment, for the electronic device including the rotating shaft 30 or the first magnetic absorption member 41, by winding the NFC antenna coil around the rotating shaft 30 and/or the first magnetic absorption member 41, the magnetic field strength of the NFC antenna can be enhanced, and the NFC antenna function of the electronic device can be realized; therefore, the rotating shaft 30 and/or the first magnetic absorption member 41 are/is used as the iron core of the NFC antenna coil, the NFC antenna function of the electronic device is realized without independently arranging ferrite plates and other structures, and the occupied space of the NFC antenna structure of the electronic device is effectively reduced.

In addition, through reducing the required occupation space of NFC antenna structure, still can realize that electronic equipment is towards frivolous development to can also reduce electronic equipment's complete machine cost.

Alternatively, the electronic device may be a folding screen electronic device, and the first part 10 and the second part 20 may be switched between a folded state and an unfolded state by the rotation shaft 30. Moreover, in the case that the electronic device is in the folded state, the rotation shaft 30 may be exposed at the connection of the first and

second parts

10 and 20, and the NFC antenna function of the electronic device may be implemented by the first NFC antenna coil 51 wound on the rotation shaft 30. In the case that the electronic device is switched from the folded state to the unfolded state and the rotating shaft 30 is located between the first component 10 and the second component 20, that is, the first NFC antenna coil 51 wound on the rotating shaft 30 is blocked by the first component 10 and the second component 20, the NFC antenna function of the electronic device can be implemented through the second NFC antenna coil 52 wound on the first magnetic absorbing element 41, so as to ensure the radiation performance of the NFC antenna of the electronic device.

In addition, in the case that the electronic device includes both the first antenna structure and the second antenna structure, the first NFC antenna coil 51 and the second NFC antenna coil 52 may be disposed in a staggered manner, so as to improve the radiation performance of the NFC antenna.

For example, if the electronic device is in the folded state, and the position held by the user is the bottom of the electronic device, that is, the second NFC antenna coil 52 is partially blocked, the NFC antenna function of the electronic device may be achieved through the first NFC antenna coil 51 that is arranged in a dislocation manner with the second NFC antenna coil 52, that is, the purpose of improving the radiation performance of the NFC antenna may be achieved through the first NFC antenna coil 51 that is arranged at the top of the electronic device.

Alternatively, both the rotating shaft 30 and the first magnetic attraction member 41 may be magnetic conductive members made of magnetic conductive materials.

In an embodiment, the rotating shaft 30 may be an iron core, and the magnet type rotating shaft can avoid interference to other magnetic induction devices of the electronic device compared to directly using the magnet as the rotating shaft.

As shown in fig. 1, in the case of using the spindle 30 as the core of the NFC antenna coil, the winding position of the first NFC antenna coil 51 on the spindle 30 may be adjusted according to the actual situation, so as to adjust the radiation performance of the NFC antenna of the electronic device.

For example, the winding position of the first NFC antenna coil 51 on the rotating shaft 30 may be disposed at an end far away from the magnetic functional device of the electronic apparatus, so as to reduce the interference influence of the first NFC antenna coil 51 on the magnetic functional device.

Optionally, the rotating shaft 30 includes a shaft core (not shown) and a shaft sleeve (not shown) sleeved on the shaft core, the first component 10 and the second component 20 are connected through the shaft core, and the first NFC antenna coil 51 is wound on the shaft sleeve;

the electronic device further comprises a driving assembly (not shown), the driving assembly is connected with the shaft sleeve, and under the action of the driving assembly, the shaft sleeve and the first NFC antenna coil 51 sleeved on the shaft sleeve can move relative to the shaft core;

the shaft sleeve is a magnetic conduction piece made of magnetic conduction materials.

In this embodiment, the movement of the first NFC antenna coil 51 on the hub may be achieved through structures such as the hub and the driving component, so as to improve the antenna performance of the electronic device.

In the actual use process, the handheld position of the user can be detected through the detection device of the electronic equipment, the optimal radiation position of the first NFC antenna coil 51 is determined based on the handheld position of the user, and then the driving assembly is controlled to drive the shaft sleeve to move so as to drive the first NFC antenna coil 51 to move to the optimal radiation position, so that the purpose of improving the antenna performance of the electronic equipment is achieved.

For example, when the user holds the electronic device, the driving assembly may be controlled to drive the shaft sleeve to move upwards, so as to drive the first NFC antenna coil 51 to move to the top of the shaft core and away from the holding position of the user, so as to achieve the purpose of improving the antenna performance of the electronic device.

Optionally, the electronic device further includes a third antenna structure, where the third antenna structure includes a third radio frequency circuit (not shown) and a third NFC antenna coil 53, and the third NFC antenna coil is wound around the second magnetic attraction element 42 and is electrically connected to the third radio frequency circuit.

In this embodiment, by adding the third antenna structure, stability of radiation performance of the NFC antenna of the electronic device may be further improved.

The second magnetic absorbing member 42 may be a magnetic conductive member made of a magnetic conductive material.

In one embodiment, one of the first magnetic absorption member 41 and the second magnetic absorption member 42 is a magnet, and the other is an iron core; the first member 10 and the second member 20 are maintained in a folded state, that is, the first member 10 and the second member 20 are maintained in an attached state by magnetic attraction of the magnet to the core.

In another embodiment, the first magnetic attraction member 41 and the second magnetic attraction member 42 are magnets, but have opposite polarities, so as to improve the magnetic attraction force between the first component 10 and the second component 20, and avoid unnecessary state switching of the electronic device, for example, the electronic device can be prevented from being switched from a folded state to an unfolded state due to accidents, so as to improve the user operation experience.

As shown in fig. 3, the electronic device includes a second antenna structure and a third antenna structure, and when the first magnetic absorption element 41 and the second magnetic absorption element 42 are both magnets and have opposite polarities, the magnetic fields of the second NFC antenna coil 52 and the third NFC antenna coil 53 can be overlapped in the following manner, so as to further improve the radiation performance of the NFC antenna of the electronic device.

In the first mode, when the winding directions of the second NFC antenna coil 52 and the third NFC antenna coil 53 are the same (for example, both clockwise and counterclockwise), the positive electrode of the second NFC antenna coil 52 is opposite to the negative electrode of the third NFC antenna coil 53, and the negative electrode of the second NFC antenna coil 52 is opposite to the positive electrode of the third NFC antenna coil 53, so that the magnetic pole directions generated by the second NFC antenna coil 52 and the third NFC antenna coil 53 are opposite, and a magnetic loop is formed, so as to enhance the magnetic field strength of the NFC antenna of the electronic device. Wherein, the effect schematic of the formed magnetic loop is shown in fig. 4.

In the second mode, when the winding directions of the second NFC antenna coil 52 and the third NFC antenna coil 53 are opposite (for example, one is in a counterclockwise direction and the other is in a clockwise direction), the feeding positive electrode of the second NFC antenna coil 52 is opposite to the feeding positive electrode of the third NFC antenna coil 53, and the feeding negative electrode of the second NFC antenna coil 52 is opposite to the feeding negative electrode of the third NFC antenna coil 53, so that the magnetic pole directions generated by the second NFC antenna coil 52 and the third NFC antenna coil 53 are opposite, and a magnetic loop is formed, so as to enhance the magnetic field strength of the NFC antenna of the electronic device.

Further alternatively, the first component 10 has a first display (not shown), and the first magnetically attractable member 41 is arranged on a side of the first component 10 facing away from the first display; the second component 20 has a second display (not shown) and the second magnetically attractable member 42 is disposed on a side of the second component 20 facing away from the second display.

In this embodiment, through the above configuration, when the electronic device is in the unfolded state, the first magnetic absorption member 41 and the second magnetic absorption member 42 are both in the unoccluded state, that is, the second NFC antenna coil 52 wound on the first magnetic absorption member 41 and the third NFC antenna coil 53 wound on the second magnetic absorption member 42 are also in the unoccluded state, so that the first component 10 and the second component 20 of the electronic device both support the NFC sensing function, the NFC sensing area of the electronic device is increased, and the user experience can be improved.

It should be noted that, the first radio frequency circuit may be disposed on the first component 10 or may be disposed on the second component 20, where the first radio frequency circuit is configured to output an antenna signal for being radiated by the first NFC antenna coil 51; a second radio frequency circuit is provided on the first component 10 for outputting an antenna signal for radiation by the second NFC antenna coil 52; a third radio frequency circuit is provided on the first part 20 for outputting an antenna signal for radiation by the third NFC antenna coil 53.

In addition, in the case that the electronic device includes only the first antenna structure and the second antenna structure, the first rf circuit may be disposed on the second component 20, and the second rf circuit may be disposed on the first component 10, so as to optimize the device layout of the electronic device, and avoid the problem of compact layout of the functional devices on the first component 10.

Accordingly, in the case where the electronic device includes only the first antenna structure and the third antenna structure, the first radio frequency circuit may be disposed on the first component 10, and the third radio frequency circuit may be disposed on the second component 20, so as to optimize the device layout of the electronic device, and avoid the problem of compact layout of the functional devices on the second component 20.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims

1. An electronic device, comprising: the magnetic absorption device comprises a first component, a second component, a rotating shaft, a first magnetic absorption part and a second magnetic absorption part, wherein the first component and the second component are connected through the rotating shaft, the first magnetic absorption part is arranged on the first component, the second magnetic absorption part is arranged on the second component, the first component and the second component can be absorbed and attached through the first magnetic absorption part and the second magnetic absorption part, and the rotating shaft is a magnetic conduction part made of a magnetic conduction material;

the first antenna structure comprises a first radio frequency circuit and a first NFC antenna coil, and the first NFC antenna coil is wound on the rotating shaft and is electrically connected with the first radio frequency circuit;

2. The electronic device of claim 1, further comprising a third antenna structure comprising a third radio frequency circuit and a third NFC antenna coil, wherein the third NFC antenna coil is wound around the second magnetic attraction element and is electrically connected to the third radio frequency circuit.

3. The electronic device according to claim 2, wherein in a case where the winding directions of the second NFC antenna coil and the third NFC antenna coil are the same, a feeding anode of the second NFC antenna coil is disposed opposite to a feeding cathode of the third NFC antenna coil, and a feeding cathode of the second NFC antenna coil is disposed opposite to a feeding anode of the third NFC antenna.

4. The electronic device according to claim 2, wherein in a case where the winding directions of the second NFC antenna coil and the third NFC antenna coil are opposite, a feeding positive electrode of the second NFC antenna coil is disposed opposite to a feeding positive electrode of the third NFC antenna coil, and a feeding negative electrode of the second NFC antenna coil is disposed opposite to a feeding negative electrode of the third NFC antenna.

5. The electronic device of any one of claims 1-4, wherein the first magnetic attraction member and the second magnetic attraction member are magnets and the polarities of the first magnetic attraction member and the second magnetic attraction member are opposite.

6. The electronic device of any one of claims 1-4, wherein the first component has a first display screen, the first magnetically absorptive piece being disposed on a side of the first component facing away from the first display screen;

the second component is provided with a second display screen, and the second magnetic absorption part is arranged on one side of the second component, which is away from the second display screen.

7. The electronic device of claim 1, wherein the first NFC antenna coil and the second NFC antenna coil are offset in a case where the electronic device includes the first antenna structure and the second antenna structure.

8. The electronic device of claim 1, wherein the rotating shaft comprises a shaft core and a shaft sleeve sleeved on the shaft core, the first component and the second component are connected through the shaft core, and the first NFC antenna coil is wound on the shaft sleeve;

the electronic equipment further comprises a driving assembly, the driving assembly is connected with the shaft sleeve, and under the action of the driving assembly, the shaft sleeve and the first NFC antenna coil wound on the shaft sleeve can move relative to the shaft core;

wherein, the axle sleeve is the magnetic conduction spare that magnetic conduction material made.

9. The electronic device of any one of claims 1-4, wherein the shaft is a core shaft.

10. The electronic device of any one of claims 1-4, wherein the electronic device is a folding screen electronic device.