WO2020114383A1

WO2020114383A1 - Communication terminal and antenna status control method

Info

Publication number: WO2020114383A1
Application number: PCT/CN2019/122639
Authority: WO
Inventors: 蒋锐
Original assignee: 维沃移动通信有限公司
Priority date: 2018-12-07
Filing date: 2019-12-03
Publication date: 2020-06-11
Also published as: CN109639857B; CN109639857A

Abstract

The present disclosure provides a communication terminal and an antenna status control method. The communication terminal comprises a driving mechanism, a frame, and a feed source. The frame comprises a first metal component and a second metal component separated by two opening gaps. The first metal component is connected to the feed source. The second metal component is grounded. The driving mechanism is connected to the first metal component. The first metal component is driven by the driving mechanism to move between a first position and a second position. When in the first position, the first metal component is electrically connected to ground. When in the second position, the first metal component is not connected to ground.

Description

Communication terminal and antenna state control method

Cross-reference of related applications

This application claims the priority of Chinese Patent Application No. 201811493833.0 filed in China on December 7, 2018, the entire contents of which are hereby incorporated by reference.

Technical field

The present disclosure relates to the field of communication technology, and in particular, to a communication terminal and antenna state control method.

Background technique

With the rapid development of antenna technology, the use of the metal structure of the communication terminal frame as the antenna radiation unit has become the mainstream usage, and the metal structure of the frame has a frame that can be raised and lowered and fixed. When the liftable frame is extended or retracted relative to the non-liftable frame, the radiation environment of the antenna changes greatly, and the liftable frame of the communication terminal cannot meet the antenna radiation performance requirements when extended or retracted.

Summary of the invention

Embodiments of the present disclosure provide an antenna state control method and a communication terminal to solve the problem that the liftable frame of the communication terminal cannot meet the antenna radiation performance requirements when extended or retracted.

In order to solve the above technical problems, the present disclosure is implemented as follows:

In a first aspect, an embodiment of the present disclosure provides a communication terminal, including a driving mechanism, a frame, and a feed, the frame including a first metal body and a second metal body, the first metal body and the second metal The body is disconnected by two opening gaps, the first metal body is connected to the feed source, the second metal body is grounded, and the driving mechanism is connected to the first metal body;

Driven by the driving mechanism, the first metal body moves between a first position and a second position, wherein the first position is between the first metal body and the second metal body A position broken by two opening slits; the second position is a position where the driving mechanism drives the first metal body away from the second metal body by the maximum stroke;

When the first metal body is in the first position, the first metal body is connected to the ground; when the first metal body is in the second position, the first metal body Disconnect from the ground.

In a second aspect, an embodiment of the present disclosure also provides an antenna state control method for a communication terminal. The communication terminal includes a driving mechanism, a frame, and a feed. The frame includes a first metal body and a second metal body. The first metal body and the second metal body are disconnected by two opening gaps, the first metal body is connected to the feed source, the second metal body is grounded, the drive mechanism and the The first metal body is connected; driven by the driving mechanism, the first metal body moves between a first position and a second position, wherein the first position is the first metal body and the The position where the second metal body is separated by two opening slits; the second position is the position where the driving mechanism drives the first metal body away from the second metal body at the maximum stroke; the antenna state Control methods include:

When the first metal body is in the first position, the first metal body is controlled to communicate with the ground; when the first metal body is in the second position, the first metal body is controlled The metal body is disconnected from the ground.

The communication terminal of the embodiment of the present disclosure includes a driving mechanism, a frame, and a feed. The frame includes a first metal body and a second metal body, and the first metal body and the second metal body are separated by two openings. The gap is broken, the first metal body is connected to the feed source, the second metal body is grounded, and the driving mechanism is connected to the first metal body; under the driving of the driving mechanism, the first A metal body moves between a first position and a second position, wherein the first position is a position where the first metal body and the second metal body are separated by two opening gaps; The second position is a position where the driving mechanism drives the first metal body away from the second metal body by the maximum stroke; when the first metal body is in the first position, the first metal body Conducted with the ground; when the first metal body is in the second position, the first metal body is disconnected from the ground. In this way, the grounding state of the first metal body can be controlled for different positions where the first metal body is located, so that the performance requirements of the antenna radiation can be met.

BRIEF DESCRIPTION

In order to more clearly explain the technical solutions of the embodiments of the present disclosure, the following will briefly introduce the drawings required in the description of the embodiments of the present disclosure. Obviously, the drawings in the following description are only some embodiments of the present disclosure. For those of ordinary skill in the art, without paying any creative labor, other drawings can also be obtained based on these drawings.

FIG. 1 is one of structural diagrams of communication terminals provided by some embodiments of the present disclosure;

2 is a second structural diagram of a communication terminal provided by some embodiments of the present disclosure;

3 is a third structural diagram of a communication terminal provided by some embodiments of the present disclosure;

4 is a fourth structural diagram of a communication terminal provided by some embodiments of the present disclosure; and

FIG. 5 is a flowchart of an antenna state control method provided by some embodiments of the present disclosure.

detailed description

The technical solutions in the embodiments of the present disclosure will be described clearly and completely in conjunction with the drawings in the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, but not all of the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art without creative efforts fall within the protection scope of the present disclosure.

1 and 2, both of which are schematic structural diagrams of communication terminals provided by some embodiments of the present disclosure. As shown in FIGS. 1 and 2, the communication terminal includes a driving mechanism, a frame and a feed 1, the frame includes a first metal body 2 and a second metal body 3, the first metal body 2 and the second metal The body 3 is disconnected by two opening gaps, the first metal body 2 is connected to the feed source 1, the second metal body 3 is grounded, and the driving mechanism is connected to the first metal body 2; Driven by the driving mechanism, the first metal body 2 moves between a first position and a second position, wherein the first position is the first metal body 2 and the second metal body The position between 3 is broken by two opening gaps; the second position is the position where the driving mechanism drives the first metal body 2 away from the second metal body 3 by the maximum stroke; the first metal When the body 2 is in the first position, the first metal body 2 and the ground are connected; when the first metal body 2 is in the second position, the first metal body 2 and The ground is disconnected.

In this embodiment, the frame includes a first metal body 2 and a second metal body 3, and the first metal body 2 and the second metal body 3 are separated by two opening gaps. The above-mentioned second metal body 3 is grounded so that the second metal body 3 can act as a parasitic antenna when the first metal body 2 is in the first position. The conduction or disconnection between the first metal body 2 and the ground can be controlled by a switch, or can also be controlled by an elastic sheet, etc., which is not limited in this embodiment.

In this embodiment, when the first metal body 2 is in the first position, the first metal body 2 is connected to the ground; when the first metal body 2 is in the second position Next, the first metal body 2 is disconnected from the ground. The driving mechanism drives the first metal body 2 to move between the first position and the second position. When the first metal body 2 is in the first position or the second position, the antennas are in different forms, which can satisfy Performance requirements of antenna radiation in different states.

Optionally, the connection points of the first metal body 2 and the ground, and the connection points of the first metal body 2 and the feed source 1 are located at both ends of the first metal body 2, respectively.

In this embodiment, in order to better understand the above-mentioned setting manner, reference may also be made to FIGS. 1 and 2. First, as shown in FIG. 1, the connection point between the first metal body 2 and the ground is located at the left end of the first metal body 2, and the connection point between the first metal body 2 and the feed source 1 is located at the right end of the first metal body 2 . Of course, in addition to this arrangement, the connection point between the first metal body 2 and the ground end may be located at the right end of the first metal body 2, and the connection point between the first metal body 2 and the feed source 1 may be located at the first The left end of the metal body 2.

In FIG. 1, when the first metal body 2 is in the first position, the first metal body 2 radiates as a loop antenna, and the second metal body 3 radiates as a parasitic antenna. The first metal body 2 is grounded. The grounding can be designed as a shrapnel projecting from the main board, a shrapnel spot-welded on a non-telescopic structure, a shrapnel spot-welded on a telescopic structure, or even embedded on both sides of the metal Compressible structures, such as pogpin. There are many designs that satisfy the grounding function of the first metal body 2, and this embodiment is not limited thereto.

In FIG. 1, the first metal body 2 includes a first sub-section 21 and a second sub-section 22. The first metal body 2 can achieve low-frequency modal coverage, the second metal body 3 and the second sub-portion 22 can realize mid-frequency or high-frequency modal coverage (can be tuned by a switch), and the second sub-portion 22 covers high-frequency modal coverage 3 covers the intermediate frequency; the second metal body 3 covers the high frequency and the second sub-portion 22 covers the intermediate frequency.

In this embodiment, please refer to FIG. 2 again. The first metal body 2 includes a first sub-section 21 and a second sub-section 22. In the case where the first metal body 2 is in the second position, the first metal body 2 radiates as a monopole type antenna and can be in a good radiation state. The first sub-part 21 can realize low-frequency modal coverage, and the second sub-part 22 can realize intermediate-frequency and high-frequency modal coverage (can be tuned by a switch).

In this way, the driving mechanism can drive the first metal body 2 to expand and contract. When the first metal body 2 is in the first position or the second position, the antennas are in different forms, satisfying the performance requirements of the antenna radiation in different states, and maximizing the use of the antenna Environment, improve radiation efficiency.

Optionally, the connection point between the first metal body 2 and the ground, and the connection point between the first metal body 2 and the feed source 1 are located at the same end of the first metal body 2.

For a better understanding of the above setting method, reference may be made to FIG. 3 and FIG. 4, which are schematic structural diagrams of communication terminals provided by some embodiments of the present disclosure.

First, as shown in FIG. 3, the connection point between the first metal body 2 and the ground, and the connection point between the first metal body 2 and the feed source 1 are located at the left end of the first metal body 2. The first metal body 2 includes a first sub-portion 21 and a second sub-portion 22, when the first metal body 2 is in the first position, the second sub-portion 22 realizes low-frequency mode coverage, the second sub-portion 22 and the second metal Body 3 achieves IF and HF mode coverage (can be tuned by switch). If the second sub-portion 22 covers the high frequency, the second metal body 3 covers the middle frequency; if the second metal body 3 covers the high frequency, the second sub portion 22 covers the middle frequency.

As shown in FIG. 4 again, the first metal body 2 includes a first sub-portion 21 and a second sub-portion 22. At this time, the first metal body 2 is in the second position, and the second sub-portion 22 realizes low-frequency mode coverage. Sub-section 21 implements IF and HF mode coverage (can be tuned by switch).

In this embodiment, the low-frequency radiation efficiency can be made higher.

Optionally, the opening gap is filled with non-metallic materials.

In this embodiment, the opening gap is filled with non-metallic materials, which can make the appearance more beautiful and make the whole frame have higher structural strength.

Optionally, at least one of the first metal body 2 and the second metal body 3 is provided with a switch for tuning.

In this embodiment, at least one of the first metal body 2 and the second metal body 3 is provided with a switch for tuning, which is equivalent to changing the length of a part of the first metal body 2 or the second metal The length of a part of the body 3, so as to tune at least one of the first metal body 2 and the second metal body 3 according to actual needs, so that the antenna has adjustability and better adapts to different radiation environments in reality .

Optionally, the switch is connected to one end of the first metal body 2 or one end of the second metal body 3.

In this embodiment, the switch is connected to one end of the first metal body 2, which is equivalent to changing the length of a part of the first metal body 2, so that the first metal body 2 can be tuned; or, the switch and Connecting one end of the second metal body 3 is equivalent to changing the length of a part of the second metal body 3, so that the second metal body 3 can be tuned.

Optionally, the ground end has an elastic piece protruding from the main plate, an elastic piece welded on the second metal body 3, or a compressible structure embedded on the second metal body 3.

In this embodiment, multiple implementations are provided for the ground, so that the ground can be set more flexibly, and an appropriate ground can be selected according to the actual situation.

The communication terminal of the embodiment of the present disclosure includes a driving mechanism, a frame, and a feed 1. The frame includes a first metal body 2 and a second metal body 3, and the first metal body 2 and the second metal body 3 Between the two openings, the first metal body 2 is connected to the feed 1, the second metal body 3 is grounded, and the drive mechanism is connected to the first metal body 2; Driven by a driving mechanism, the first metal body 2 moves between a first position and a second position, wherein the first position is between the first metal body 2 and the second metal body 3 The position separated by the two opening slits; the second position is the position at which the driving mechanism drives the first metal body 2 away from the second metal body 3 by the maximum stroke; the first metal body 2 is at In the case of the first position, the first metal body 2 is connected to the ground; when the first metal body 2 is in the second position, the first metal body 2 is disconnected from the ground open. In this way, the grounding state of the first metal body 2 can be controlled for different positions where the first metal body 2 is located, so that the performance requirements of antenna radiation can be met.

Referring to FIG. 5, FIG. 5 is a flowchart of an antenna state control method provided by some embodiments of the present disclosure, which is used for a communication terminal. The communication terminal includes a driving mechanism, a frame, and a feed. The frame includes a first metal body and A second metal body, the first metal body and the second metal body are disconnected by two opening gaps, the first metal body is connected to the feed source, and the second metal body is grounded, so The drive mechanism is connected to the first metal body; under the drive of the drive mechanism, the first metal body moves between a first position and a second position, wherein the first position is the first metal body A position where a metal body and the second metal body are cut off by two opening gaps; the second position is the maximum stroke that the driving mechanism drives the first metal body away from the second metal body position. As shown in FIG. 5, the antenna state control method includes:

Step 501. When the first metal body is in the first position, control the conduction between the first metal body and the ground; when the first metal body is in the second position, control the The first metal body is disconnected from the ground.

In this embodiment, when the first metal body is in the first position, the first metal body is controlled to be connected to the ground. At this time, the first metal body is equivalent to a loop antenna, and the second metal body Participate in radiation together as a parasitic antenna, in which case the radiation requirements of the antenna in the first position can be met.

In this embodiment, when the first metal body is in the second position, the first metal body is controlled to be disconnected from the ground, so that the first metal body becomes a monopole type antenna. Antenna radiation requirements in the second position.

In this embodiment, the communication terminal may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer), a personal digital assistant (personal digital assistant (PDA) for short), a mobile internet device (Mobile Internet Device, MID) ) Or wearable devices (Wearable Devices) and so on.

An antenna state control method according to some embodiments of the present disclosure is used for a communication terminal. The communication terminal includes a driving mechanism, a frame, and a feed. The frame includes a first metal body and a second metal body. The metal body and the second metal body are disconnected by two opening gaps, the first metal body is connected to the feed source, the second metal body is grounded, and the driving mechanism is connected to the first metal Body connection; driven by the drive mechanism, the first metal body moves between a first position and a second position, wherein the first position is the first metal body and the second metal A position where the two opening slits are disconnected between the bodies; the second position is a position where the driving mechanism drives the first metal body away from the second metal body by the maximum stroke; the antenna state control method includes : When the first metal body is in the first position, control the conduction between the first metal body and the ground; when the first metal body is in the second position, control the first metal body A metal body is disconnected from the ground. In this way, the grounding state of the first metal body can be controlled for different positions where the first metal body is located, so that the performance requirements of the antenna radiation can be met.

It should be noted that in this article, the terms "include", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, It also includes other elements that are not explicitly listed, or include elements inherent to this process, method, article, or device. Without more restrictions, the element defined by the sentence "include one..." does not exclude that there are other identical elements in the process, method, article or device that includes the element.

Through the description of the above embodiments, those skilled in the art can clearly understand that the methods in the above embodiments can be implemented by means of software plus a necessary universal hardware platform, and of course, can also be implemented by hardware, but in many cases the former is better Implementation. Based on such an understanding, the technical solution of the present disclosure can be embodied in the form of a software product in essence or part that contributes to the existing technology, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, The CD-ROM includes several instructions to enable a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the methods described in various embodiments of the present disclosure.

The embodiments of the present disclosure have been described above with reference to the drawings, but the present disclosure is not limited to the above-mentioned specific implementations. The above-mentioned specific implementations are merely schematic, not limiting, and those of ordinary skill in the art Under the inspiration of the present disclosure, many forms can be made without departing from the purpose of the present disclosure and the scope protected by the claims, all of which fall within the protection of the present disclosure.

Claims

A communication terminal includes a driving mechanism, a frame, and a feed. The frame includes a first metal body and a second metal body. The first metal body and the second metal body are separated by two opening gaps. , The first metal body is connected to the feed source, the second metal body is grounded, and the driving mechanism is connected to the first metal body;

Driven by the driving mechanism, the first metal body moves between a first position and a second position, wherein the first position is between the first metal body and the second metal body A position broken by two opening slits; the second position is a position where the driving mechanism drives the first metal body away from the second metal body by the maximum stroke;

When the first metal body is in the first position, the first metal body is connected to the ground; when the first metal body is in the second position, the first metal body Disconnect from the ground.
The communication terminal according to claim 1, wherein a connection point between the first metal body and the ground, and a connection point between the first metal body and the feed are located at both ends of the first metal body .
The communication terminal according to claim 1, wherein the connection point between the first metal body and the ground, and the connection point between the first metal body and the feed are located at the same end of the first metal body.
The communication terminal according to any one of claims 1 to 3, wherein the opening slit is filled with a non-metallic material.
The communication terminal according to any one of claims 1 to 3, wherein at least one of the first metal body and the second metal body is provided with a switch for tuning.
The communication terminal according to claim 5, wherein the switch is connected to one end of the first metal body or one end of the second metal body.
The communication terminal according to any one of claims 1 to 3, wherein the ground end is a spring projecting from the main board, a spring welded to the second metal body, or embedded on the second metal body Compressible structure.
The communication terminal according to any one of claims 1 to 3, wherein an elastic piece is welded to the first metal body, and when the first metal body is at the first position, the first metal The body communicates with the ground through the elastic sheet.
An antenna state control method is applied to a communication terminal. The communication terminal includes a driving mechanism, a frame, and a feed. The frame includes a first metal body and a second metal body. The first metal body and the second The metal body is disconnected by two opening gaps, the first metal body is connected to the feed source, the second metal body is grounded, and the driving mechanism is connected to the first metal body; Driven by the mechanism, the first metal body moves between a first position and a second position, wherein the first position is between the first metal body and the second metal body by two openings The position where the gap is broken; the second position is the position at which the driving mechanism drives the first metal body away from the second metal body at the maximum stroke; wherein, the antenna state control method includes:

When the first metal body is in the first position, the first metal body is controlled to communicate with the ground; when the first metal body is in the second position, the first metal body is controlled The metal body is disconnected from the ground.