WO2020087206A1

WO2020087206A1 - Antenna control method and antenna apparatus

Info

Publication number: WO2020087206A1
Application number: PCT/CN2018/112435
Authority: WO
Inventors: 黄涛; 康星星; 邓伍华
Original assignee: 深圳市柔宇科技有限公司
Priority date: 2018-10-29
Filing date: 2018-10-29
Publication date: 2020-05-07
Also published as: CN112703460A

Abstract

Disclosed by the present invention are an antenna control method and an antenna apparatus. An antenna apparatus comprises a first casing (900) and a second casing (902) capable of moving relative to the first casing (900), the first casing (900) comprising a first radiator (806), and the second casing (902) comprising a second radiator (910); a signal source (600, 602); and a coupling component (70), the coupling component (70) being electrically connected to the first radiator (806) and the second radiator (910) when the first casing (900) and the second casing (902) approach one another, and the first radiator (806) and the second radiator (910) combining into a new radiator. In the embodiments of the present invention, a folded first radiator and second radiator may be combined into a new radiator, which is beneficial in reducing the possibility that the performance of an original antenna will decline due to folding, thereby improving the antenna performance of foldable electronic devices.

Description

Antenna control method and antenna device

Technical field

The present invention relates to the field of communication technology, and in particular, to an antenna control method and antenna device.

Background technique

The existing metal frame antenna can be used in the foldable electronic device. For example, the metal frame antenna can be disposed in the first part and the second part of the foldable electronic device. However, when the foldable electronic device is in the folded state, the first part and the second part of the electronic device are close due to folding, which results in strong coupling between the metal frame antennas located on the two parts, and the surrounding environment of the metal frame antenna The changes will cause the performance of the original antenna to be reduced and affect the antenna performance of the foldable electronic device.

Summary of the invention

The technical problem to be solved by the present invention is to provide an antenna control method and antenna device, which can improve the antenna performance of a foldable electronic device.

A first aspect of the embodiments of the present invention provides an antenna device, including:

A first housing and a second housing movable relative to the first housing, the first housing includes a first radiator, and the second housing includes a second radiator;

A coupling component, when the first housing and the second housing are close to each other, the coupling component electrically connects the first radiator and the second radiator, the first radiator and the first The two radiators are combined into a new radiator.

A second aspect of the embodiments of the present invention provides an antenna control method, including:

Obtain the working status of electronic equipment;

When the electronic device is in the folded state, the working state of the switching device is controlled to form the signal source of the first resonance device, the first radiator, and the second radiator into a second resonance device.

Compared with the prior art, the embodiments of the present invention provide an antenna control method and an antenna device. By folding the electronic device from the first radiator and the second radiator to form a new radiator, it is beneficial to reduce the original The possibility of the antenna performance being reduced due to the folding of the antenna improves the antenna performance of the foldable electronic device.

BRIEF DESCRIPTION

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

FIG. 1 is a schematic structural diagram of an electronic device with an antenna device according to an embodiment of the present invention.

2 is a schematic diagram of a preferred embodiment of an antenna device according to an embodiment of the present invention.

FIG. 3 is a schematic diagram of an embodiment of the coupling assembly in FIG. 2.

4 is a schematic cross-sectional view of another embodiment of the coupling assembly in FIG. 2.

5 is a schematic block diagram of an embodiment of an electronic device according to an embodiment of the present invention.

6 is a flowchart of steps of an antenna control method according to an embodiment of the present invention.

detailed description

In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is a part of the embodiments of the present invention, but not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

The terms "first", "second", etc. in the description and claims of the present invention and the above drawings are used to distinguish different objects, not to describe a specific order. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product, or device that includes a series of steps or units is not limited to the listed steps or units, but optionally includes steps or units that are not listed, or optionally also includes Other steps or units inherent to these processes, methods, products, or equipment.

Reference herein to "embodiments" means that specific features, structures, or characteristics described in connection with the embodiments may be included in at least one embodiment of the present invention. The appearance of the phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. Those skilled in the art understand explicitly and implicitly that the embodiments described herein can be combined with other embodiments.

The following describes the embodiments of the present invention in detail.

Please refer to FIG. 1. An electronic device 90 in one embodiment of the present invention includes a first housing 900, a second housing 902 and a display screen 906. The electronic device 90 may have multiple working states, such as a folded state and an unfolded state. In this embodiment, when the electronic device 90 is in the folded state, the first housing 900 and the second housing 902 may be close to each other, and when the electronic device 90 is in the expanded state, the first housing 900 is away from the second housing 902 . In an embodiment, the display screen 906 may be disposed on the opposite surface of the first housing 900 and the second housing 902 when they are close to each other. In another embodiment, the display screen 906 can be disposed on a surface of the first housing 900 and the second housing 902 facing away from each other (not shown). The electronic device 90 further includes a rotating shaft 904 that connects the first housing 900 and the second housing 902. The first housing 900 and / or the second housing 902 can be turned or moved around the rotating shaft 904 so that the electronic device 90 Switch between the folded state and the expanded state. For example, when the first housing 900 and the second housing 902 are turned around the rotation axis 904, the opposing surfaces may be parallel to each other (the angle between the two surfaces is approximately 0 degrees), and the electronic device 90 is in the folded state at this time; When the body 902 is away from the first housing 900, the first housing 900 and the second housing 902 can be turned around the rotation axis 904 and can be located in the same plane (the angle between the two surfaces is approximately 180 degrees), at this time the electronic device is deployed status. In an embodiment, the first housing 900 and the second housing 902 can be connected to the rotating shaft 904 in a hinged manner. In this embodiment, the display screen 906 is a flexible display screen, the first portion of the flexible display screen is connected to the first housing 900, and the second portion of the flexible display screen is connected to the second housing 902, the flexible The display screen further includes a bending portion that connects the first portion and the second portion of the flexible display screen, and the position of the bending portion corresponds to the rotating shaft 904. In this embodiment, the display screen 906 may include multiple screens. In one example, the display screen 906 includes a first screen and a second screen. The first screen is provided in the first housing 900, and the second screen Set in the second casing 902.

The electronic device 90 may include a detection device 944 (shown in FIG. 5). The detection device 944 is used to detect the working state of the electronic device 90. The detection device 944 can be disposed on the rotating shaft 904. For example, when the electronic device 90 is folded, the detection device 944 on the rotating shaft 904 may sense the distance between the first housing 900 and the second housing 904. Therefore, when the distance between the first case 900 and the second case 902 is less than the preset distance, it can be determined that the electronic device 90 is in a folded state; otherwise, when the first case 900 and the second case 902 When the distance is not less than the preset distance, it can be determined that the electronic device 90 is in the expanded state. In other embodiments, the detection device 944 may include an angle sensor, a gravity sensor, or other sensors that can detect the working state of the electronic device 90.

A first metal frame 800 may be provided in the circumferential direction of the first casing 900, and a second metal frame 802 may also be provided in the circumferential direction of the second casing 902. In this embodiment, the first metal frame 800 may be disposed in the entire circumference direction of the first casing 900 or a part of the first casing 900 in the circumference direction. The second metal frame 802 may be disposed in the entire circumferential direction of the second casing 902, or may be disposed in a part of the circumferential direction of the second casing 902.

The electronic device 90 further includes one or more coupling components 70. When the electronic device 90 is in a folded state, the coupling component 70 connects the first metal frame 800 and the second metal frame 802 such that the first metal frame 800 and the second metal frame 802 Electrically conductive. Each coupling assembly 70 includes a first type coupling member 710 and a second type coupling member 720 corresponding to the first type coupling member 720. The first type coupling member 710 is disposed on the first housing 900 and is electrically connected to the first metal frame 800; the second type coupling member 720 is disposed on the second housing 902 and is electrically connected to the second metal frame 802. When the electronic device 90 is in the folded state, the first type coupling member 710 is electrically connected to the corresponding second type coupling member 720, so that the first metal frame 800 and the second metal frame 802 are electrically connected.

Please also refer to FIG. 2, the first metal frame 800 is provided with a plurality of break points 10, so that the first metal frame 800 between two adjacent break points 10 can constitute a resonance device 946 (shown in FIG. 5) The radiator 806 (shown in FIG. 1). The second metal frame 802 is provided with a plurality of break points 10 so that the second metal frame 802 between two adjacent break points 10 can constitute a radiator 910 of the resonance device 946 (shown in FIG. 5).

In this embodiment, the number of breakpoints 10 provided on the first metal frame 800 includes a first breakpoint 100, a second breakpoint 102, a third breakpoint 104, and a fourth breakpoint 106; The set breakpoints 10 include a fifth breakpoint 108, a sixth breakpoint 110, a seventh breakpoint 112, and an eighth breakpoint 114. The length of the metal frame between any two adjacent breakpoints may be the same or different. Further, by setting the length of the metal frame between any two adjacent breakpoints 10, the radiators of the antenna with the same or different resonance frequencies are formed.

In this embodiment, the antenna may be configured as a global mobile communication system (Global System for Mobile Communications, GSM), a universal mobile communication system (Universal Mobile Telecommunications System, UMTS), long-term evolution technology (Long Term Evolution, LTE), wireless The access technology is related and includes antennas resonating in the low frequency band of the frequency range 704-960 MHz. The antenna can also be configured as an antenna that resonates on an intermediate frequency band related to the Global System for Mobile Communications (GSM), Universal Mobile Telecommunications System (UMTS), Long Term Evolution (LTE), wireless access technology, and includes a frequency range of 1710-2170 MHz . The antenna is configured to include an antenna that resonates on the Wifi and Bluetooth frequencies in the 2400-2485MHz frequency band. In addition, the antenna may be configured as an antenna that resonates on a frequency band related to Long Term Evolution (LTE), wireless access technology and including a frequency range of 2500-2700 MHz.

The electronic device 90 may include one or more signal sources. The signal source can be electrically connected to the corresponding metal frame, so that the metal frame forms a radiator. In this embodiment, the electronic device 90 includes a first signal source 600 and a second signal source 602, the first signal source 600 may be electrically connected to the first metal between the first breakpoint 100 and the second breakpoint 102 A frame 800, wherein the first signal source 600 and the first metal frame 800 between the first breakpoint 100 and the second breakpoint 102 may form a monopole antenna; the second signal source 602 may be electrically A first metal frame 800 connected between the third breakpoint 104 and the fourth breakpoint 106, wherein the second signal source 602 and the first metal frame 800 between the third breakpoint 104 and the fourth breakpoint 106 Monopole antennas can also be formed. Therefore, when the electronic device 90 is in the expanded state, the first signal source 600 and the first metal frame 800 between the first breakpoint 100 and the second breakpoint 102 can form a monopole antenna, the second signal source 602 and The first metal frame 800 between the third breakpoint 104 and the fourth breakpoint 106 may also form a monopole antenna. The monopole antenna can be used for the transmission of GPS (Global Positioning System) and WiFi (Wireless Fidelity) signals. In an embodiment, the electronic device 90 may include a signal source disposed on the second housing 902, the signal source is electrically connected to the second metal frame 802, so that the second metal frame 802 forms a radiator, the signal The source and the radiator form an antenna together.

The electronic device 90 may include one or more coupling components 70, and each coupling component 70 includes a first type coupling 710 and a second type coupling 720. In this embodiment, the first type coupling 710 includes a first coupling 712, a second coupling 714, a third coupling 716, and a fourth coupling 718 disposed on the first housing 900; the second type coupling The member 720 includes a fifth coupling member 722, a sixth coupling member 724, a seventh coupling member 726, and an eighth coupling member 728 disposed on the second housing 902. In this embodiment, the first signal source 600 is connected to the first metal frame 800 through the second coupling member 714, and the second signal source 602 is connected to the first metal frame 800 through the fourth coupling member 718. In this embodiment, when the electronic device 90 is in a folded state, the first coupling member 712 may be electrically connected to the fifth coupling member 722, the second coupling member 714 may be electrically connected to the sixth coupling member 724, and the third coupling member 716 may be electrically connected to the seventh coupling member 726, and the fourth coupling member 718 may be electrically connected to the eighth coupling member 728.

The electronic device 90 may include one or more switching devices 50 (shown in FIG. 5). The first end of the switching device 50 can be connected to the ground layer of the circuit board of the electronic device 90, and the second end of the switching device can be switched to the radiation on the first metal frame 800 under the control of the processing device 940 (shown in FIG. 5) Or the radiator on the second metal frame 802, so that the radiator on the first metal frame 800 or the radiator on the second metal frame 802 is closed or disconnected from the ground. In this embodiment, the switching device 50 may be one or more of a single-pole single-throw switch, a single-pole double-throw switch, a double-pole double-throw switch, or other multi-pole multi-throw switches, or other achievable An electronic switch that functions as the switching device 50 described above.

The switching device 50 can be used to receive a control signal from the processing device 940 to switch to an open state or a closed state. For example, when the first control signal of the processing device 940 is received, the switching device 50 is switched to the off state, and the radiator is disconnected from the ground terminal; when the second control signal of the processing device 940 is received, the switching device 50 is switched to In the closed state, the radiator is connected to the ground. In this embodiment, the switching device 50 of the electronic device 90 may include a first switch 500, a second switch 502, and a third switch 504, wherein the first switch 500 is disposed between the third coupling member 716 and the ground terminal to switch The first metal frame 800 between the second break point 102 and the third break point 104 on the first metal frame 800 is closed or disconnected from the ground terminal; the second switch 502 is set at the fifth break point 108 and the sixth break point 110 Between the second metal frame 802 and the ground terminal, to switch the second metal frame 802 between the fifth breakpoint 108 and the sixth breakpoint 110 closed or open with the ground terminal; the third switch 504 is optional The ground terminal is connected to the fifth coupling member 722 or the sixth coupling member 724 to switch the second metal frame 802 between the seventh breakpoint 112 and the eighth breakpoint 114 to close or open to the ground terminal.

When the electronic device 90 is in the expanded state, the first metal frame 800 and the second signal source 602 between the third breakpoint 104 and the fourth breakpoint 106 form a first monopole antenna including a branch. When the electronic device 90 is in the folded state and the second switch 502 is in the off state, the fourth coupling member 718 is connected to the eighth coupling member 728, the second signal source 602, the fourth coupling member 718, the eighth coupling member 728, the first The first metal frame 800 (first branch) between the third breakpoint 104 and the fourth breakpoint 106 and the second metal frame 802 (second branch) between the fifth breakpoint 108 and the sixth breakpoint 110 can be composed Second monopole antenna with two branches. Therefore, when the electronic device 90 is switched from the unfolded state to the folded state, the first monopole antenna can be switched to the second monopole antenna for communication, which is beneficial to improve the antenna performance of the foldable electronic device.

When the electronic device 90 is in the folded state and the second switch 502 is in the closed state, the fourth coupling member 718 is connected to the eighth coupling member 728, and the second metal frame 802 between the fifth break point 108 and the sixth break point 110 passes The second switch 502 is grounded. At this time, the first metal frame 800, the fifth breakpoint 108, and the sixth breakpoint between the second signal source 602, the fourth coupling member 718, the eighth coupling member 728, the third breakpoint 104, and the fourth breakpoint 106 The second metal frame 802 between the points 110 and the closed second switch 502 may constitute a first inverted F antenna (Inverted F-shaped Antenna), or a PIFA antenna (Planar Inverted F-shaped Antenna). Therefore, when the electronic device 90 is switched from the unfolded state to the folded state, the second single-stage antenna can be switched to the first inverted F antenna for communication, which is beneficial to improve the antenna performance of the foldable electronic device.

When the electronic device 90 is in the expanded state, the first signal source 600 constitutes a third monopole antenna through the first metal frame 800 between the first breakpoint 100 and the second breakpoint 102. When the electronic device 90 is in the folded state and the first switch 500 is in the closed state, the first coupling member 712 is connected to the fifth coupling member 722, the second coupling member 714 is connected to the sixth coupling member 724, and the third coupling member 716 is connected to the first Seven coupling pieces 726 are connected, and the fourth coupling piece 716 is connected to the ground. At this time, the first metal between the first signal source 600, the third coupling member 714, the seventh coupling member 724, the sixth coupling member 726, the fourth coupling member 716, the first breakpoint 100 and the second breakpoint 102 The second metal frame 802 between the frame 800, the eighth breakpoint 114, and the seventh breakpoint 112 forms a loop antenna, in which current can flow back to the ground layer by the fourth coupling member 716. Therefore, when the electronic device 90 is switched from the unfolded state to the folded state, the third single-stage antenna can be switched to the loop antenna for communication, which is beneficial to improve the antenna performance of the foldable electronic device.

If the electronic device 90 is in a folded state, the first coupling member 712 is connected to the fifth coupling member 722, the second coupling member 714 is connected to the sixth coupling member 724, and the third coupling member 716 is connected to the seventh coupling member 726; when the first When the switch 500 is off and the third switch 504 is connected to the fifth coupling member 722, the first signal source 600, the third coupling member 714, the seventh coupling member 724, the first coupling member 712, the eighth coupling member 722, The first metal frame 800 between the first breakpoint 100 and the second breakpoint 102 and the second metal frame 802 between the eighth breakpoint 114 and the seventh breakpoint 112 may form a second inverted F antenna. When the first switch 500 is off and the third switch 504 is connected to the sixth coupling member 724, the first signal source 600, the third coupling member 714, the seventh coupling member 724, the first coupling member 712, and the eighth coupling The piece 722, the radiator of the first metal frame between the first breakpoint 100 and the second breakpoint 102 and the radiator of the second metal frame between the eighth breakpoint 114 and the seventh breakpoint 112 may form a third Invert the F antenna. In this embodiment, since the third switch 504 connects the eighth breakpoint 114 and the seventh breakpoint 112 at different positions of the second metal frame 802, the ground terminal of the inverted F antenna and the first The distance between the signal sources 600 is different. For example, when the third switch 504 is connected to the eighth coupling member 722 (first contact point), the distance between the ground of the second inverted-F antenna and the first signal source 600 may be a first value. When the seventh coupling member 724 (second contact point) is connected, the distance between the ground of the third inverted-F antenna and the first signal source 600 may be a second value, where the first value is different from the second value, so, The second inverted F antenna corresponding to the first value may have a first resonance range, and the third inverted F antenna corresponding to the second value may have a second resonance range. Thus, the length of different radiators is selected by the third switch 504, and then Antennas with different resonance ranges can be formed. The resonance range includes, but is not limited to, resonance frequencies corresponding to low frequencies, intermediate frequencies, and high frequencies.

If the electronic device 90 is in a folded state, the first switch 500 is in an open state, and the third switch 504 is also in an open state, the first coupling member 712 is connected to the fifth coupling member 722, and the second coupling member 714 is coupled to the sixth coupling member 714 724, the third coupling member 716 is connected to the seventh coupling member 726, the first metal frame 800 and the eighth breakpoint 114 between the first signal source 600, the first breakpoint 100 and the second breakpoint 102 are connected to the first The second metal frame 802 between the seven breakpoints 112 can form a slot antenna, and can also perform the debugging operation of the slot antenna.

Please also refer to FIG. 3, which is a schematic diagram of a coupling component 70 in an embodiment provided by the present invention. When the electronic device 90 is in the folded state, the first type coupling 710 of each coupling assembly 70 is electrically connected to the corresponding second type coupling 720. In this embodiment, the first type coupling member 710 and the second type coupling member 720 of the coupling assembly 70 are both metal blocks. The first metal block 710 is connected to the first metal frame 800, and the second metal block 720 is connected to the second metal frame 802. In this embodiment, each metal block has a predetermined height along the direction perpendicular to the housing, and a number of first metal blocks 710 located on the first housing 900 have a first predetermined height and are located on the second housing 902 The plurality of second metal blocks 720 have a second preset height, wherein the first preset height and the second height may be equal or unequal. In this embodiment, the radiator 806 on the first housing 900 is provided with two first metal blocks 710, and the radiator 910 on the second housing 902 is provided with two second metal blocks 720. When the electronic device 90 When in the folded state, the two first metal blocks 730 on the radiator 806 of the first housing 900 are electrically connected to the two second metal blocks 732 on the radiator 910 of the second housing 902, respectively, and the first The radiator 806 on the housing 900, the two first metal blocks 710, the radiator 910 on the second housing 902, and the two second metal blocks 720 may form a slot antenna. In an embodiment, the slot antenna can be debugged by changing the first preset height of the first metal block 710 and / or the second preset height of the second metal block 720 in the coupling assembly 70.

Please also refer to FIG. 4, which shows a cross-sectional view of a preferred embodiment of the coupling assembly 70. The coupling assembly 70 simultaneously latches the first housing 900 and the second housing 902 when electrically connecting the radiator on the first metal frame 800 and the radiator on the second metal frame 802. The first metal frame 800 includes a first side 880, a second side 882, and a third side 884. The first side 880, the second side 882, and the third side 884 of the first metal frame 880 are sequentially connected to form a housing Department 881. The first side 880 and the third side 884 are arranged in parallel, and the second side 882 is located between the first side 880 and the third side 884. The first side 880 is provided with a snap hole 888, and the third side 884 is provided with a protrusion 886 in a direction toward the first side 880, which is a first type coupling member 710. In this embodiment, the cross section of the locking hole 888 may be circular, which may have a first diameter value. In other embodiments, the locking holes 888 are also in other shapes, including but not limited to rectangular.

In this embodiment, the accommodating portion 881 may accommodate a circuit board 930 provided with a feeding point 883 connected to the first signal source 600 or the second signal source 602, and the feeding point 883 passes through the dome 200 電电對連 prominent 886.

The second metal frame 802 may include a fourth side 890, a fifth side 892, and a sixth side 894. The fourth side 890, the fifth side 892, and the sixth side 894 are sequentially connected to form an accommodation space 891. The fourth side 890 is disposed parallel to the sixth side 894, and the fifth side 892 is located between the fourth side 890 and the sixth side 89. In this embodiment, when the electronic device 90 is in the folded state, the first side 880 is adjacent to the fourth side 890. A linkage lever 30 may be provided in the accommodating space 891, and the linkage lever 30 is a second type coupling member 720. The interlocking lever 30 includes a body 302 and a buckle 300 extending downward perpendicular to the longitudinal direction of the body 302. The buckle 300 is made of a conductor. The buckle 300 further includes a contact end 306. When the electronic device 90 is in a folded state, the contact end 306 abuts the protrusion 886 to achieve an electrical connection. In this embodiment, the cross section of the buckle 300 may be circular, which has a second diameter value. The first diameter value is greater than the second diameter value.

In this embodiment, a through hole 896 may be formed on the fourth side 890. When the electronic device 90 is folded, a difference in the inner and outer radii will be generated in the electronic device 90, so that the relative position of the internal device will change, thereby pushing the linkage lever 30, The buckle 300 is driven to protrude from the through hole 896 in a direction perpendicular to the fourth side 890, and the buckle 300 abuts the side wall of the through hole 896, that is, the buckle 300 is electrically connected to the second metal frame 802. When the electronic device 90 is in the folded state, the buckle 300 can pass through the through hole 896, and when the electronic device 90 is in the unfolded state, the buckle 300 can be retracted from the through hole 896 into the accommodating space 891. In this embodiment, when the electronic device 90 is in the folded state, the buckle 300 of the linkage lever 30 extends out of the fourth side 890 and is inserted into the buckle hole 888, the buckle 300 abuts the protrusion 886 Connect to realize the electrical connection between the buckle 300 and the protrusion 886. Since the buckle 300 is electrically connected to the second metal frame 802 and the protrusion 886 is electrically connected to the first metal frame 800, the first metal frame 800 and the second metal frame 802 are electrically connected.

In an embodiment, the buckle 300 may be directly disposed on the fourth side 890. When the electronic device 90 is in the folded state, the buckle 300 is inserted from the buckle hole 888 and abuts the protrusion 886 to realize the buckle 300 and The protrusion 886 is electrically connected, that is, the first metal frame 800 and the second metal frame 802 are electrically connected.

In this embodiment, when the electronic device 90 is in a folded state, a gap 932 may be formed between the first side 880 and the fourth side 890, so as to debug the slot antenna.

In an embodiment, the second housing 902 may be provided with a transmission mechanism connected to the lever 30. When the first housing 900 is close to the second housing 902, the transmission mechanism drives the metal catch 300 of the lever 30 from The second housing 902 protrudes. When the first housing 900 is away from the second housing 902, the metal catch 300 of the transmission mechanism driving lever 30 is received in the second first housing 902.

Referring to FIG. 5 together, the electronic device 90 may include a processing device 940, a display screen 906, a storage device 942, a resonance device 946, a switching device 50, a detection device 944, and a bus 942.

The storage device 942 may be used to store software programs and modules. The processing device 940 executes various functional applications and data processing of the mobile phone by running the software programs and modules stored in the storage device 942. The storage device 942 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, application programs required for at least one function, and the like; the storage data area may store data created according to the use of a mobile phone, and the like. In addition, the storage device 942 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state storage devices.

The display screen 906 may be used to display information input by the user or provided to the user and various menus of the electronic device 90. The display screen 906 is optional, and the display screen 906 can be configured in the form of a liquid crystal display (Liquid Crystal) (LCD), an organic light-emitting diode (Organic Light-Emitting Diode, OLED), or the like.

The processing device 940 can connect various parts of the entire electronic device using various interfaces and a bus 942, execute or execute a mobile phone by executing or executing software programs and / or modules stored in the storage device 942, and calling data stored in the storage device 942 Various functions and processing data to monitor the mobile phone as a whole. Optionally, the processor 980 may include one or more processing units; preferably, the processing device 940 may integrate an application processor and a modem processor, where the application processor mainly processes an operating system, a user interface, and application programs, etc. The modem processor mainly handles wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processing device 940.

The electronic device 90 may include one or more resonance devices 946, and each resonance device may include a signal source and a radiator to constitute an antenna. For example, the first signal source 600 and the radiator connected to the first signal source 600 may constitute a monopole antenna, and the second signal source 602 and the radiator connected to the second signal source 602 may also constitute a monopole antenna.

The processing device 940 can obtain the working state of the electronic device 90 from the detection device 944, such as whether the electronic device is in an unfolded state or a folded state. The processing device 940 can control the connection state of the corresponding switching device when the electronic device is in the folded state, so that the signal source in the resonance device and other radiators form a new resonance device.

When the electronic device 90 is in the expanded state, the first metal frame 800 and the second signal source 602 between the third breakpoint 104 and the fourth breakpoint 106 form a first monopole antenna including a branch. When the electronic device 90 is in the folded state and the processing device 940 controls the second switch 502 to be in the off state, the fourth coupling member 718 is connected to the eighth coupling member 728, and the second signal source 602, the fourth coupling member 718, and the eighth coupling 728, a first metal frame 800 (first branch) between the third breakpoint 104 and the fourth breakpoint 106, and a second metal frame 802 (second) between the fifth breakpoint 108 and the sixth breakpoint 110 Branch) may constitute a second monopole antenna containing two branches. Therefore, when the electronic device 90 is switched from the unfolded state to the folded state, the resonance device 946 can be switched from the first monopole antenna to the second monopole antenna for communication, which is beneficial to improve the antenna performance of the foldable electronic device.

When the electronic device 90 is in the folded state and the processing device 940 controls the second switch 502 to be in the closed state, the fourth coupling member 718 is connected to the eighth coupling member 728, and the second between the fifth breakpoint 108 and the sixth breakpoint 110 The metal frame 802 is grounded through the second switch 502. At this time, the first metal frame 800, the fifth breakpoint 108, and the sixth breakpoint between the second signal source 602, the fourth coupling member 718, the eighth coupling member 728, the third breakpoint 104, and the fourth breakpoint 106 The second metal frame 802 between the points 110 and the closed second switch 502 may constitute a first inverted F antenna (Inverted F-shaped Antenna), or a PIFA antenna (Planar Inverted F-shaped Antenna). Therefore, when the electronic device 90 is switched from the unfolded state to the folded state, the resonance device 946 can be switched from the second single-stage antenna to the first inverted F antenna for communication, which is beneficial to improve the antenna performance of the foldable electronic device.

When the electronic device 90 is in the expanded state, the first signal source 600 constitutes a third monopole antenna through the first metal frame 800 between the first breakpoint 100 and the second breakpoint 102. When the electronic device 90 is in the folded state and the processing device 940 controls the first switch 500 to be in the closed state, the first coupling member 712 is connected to the fifth coupling member 722, the second coupling member 714 is connected to the sixth coupling member 724, and the third coupling The piece 716 is connected to the seventh coupling piece 726, and the fourth coupling piece 716 is connected to the ground. At this time, the first metal between the first signal source 600, the third coupling member 714, the seventh coupling member 724, the sixth coupling member 726, the fourth coupling member 716, the first breakpoint 100 and the second breakpoint 102 The second metal frame 802 between the frame 800, the eighth breakpoint 114, and the seventh breakpoint 112 forms a loop antenna. Therefore, when the electronic device 90 is switched from the unfolded state to the folded state, the resonance device 946 can switch from the third single-stage antenna to the loop antenna for communication, which is beneficial to improve the antenna performance of the foldable electronic device.

If the electronic device 90 is in the folded state and the processing device 940 controls the first switch 500 to be in the off state, the first coupling member 712 is connected to the fifth coupling member 722, the second coupling member 714 is connected to the sixth coupling member 724, and the third The coupling 716 is connected to the seventh coupling 726. At this time, the first metal between the first signal source 600, the third coupling member 714, the seventh coupling member 724, the sixth coupling member 726, the fourth coupling member 716, the first breakpoint 100 and the second breakpoint 102 The second metal frame 802 between the frame 800, the eighth breakpoint 114, and the seventh breakpoint 112 may form a monopole antenna.

If the electronic device 90 is in a folded state, the first coupling member 712 is connected to the fifth coupling member 722, the second coupling member 714 is connected to the sixth coupling member 724, and the third coupling member 716 is connected to the seventh coupling member 726; when the processing device 940 controls the first switch 500 to be off and the third switch 504 is connected to the fifth coupling member 722, the first signal source 600, the third coupling member 714, the seventh coupling member 724, the first coupling member 712, the eighth The coupling member 722, the first metal frame 800 between the first breakpoint 100 and the second breakpoint 102, and the second metal frame 802 between the eighth breakpoint 114 and the seventh breakpoint 112 may form a second inverted F antenna . When the processing device 940 controls the first switch 500 to be off and the third switch 504 is connected to the sixth coupling member 724, the first signal source 600, the third coupling member 714, the seventh coupling member 724, and the first coupling member 712 , The eighth coupling member 722, the radiator of the first metal frame between the first breakpoint 100 and the second breakpoint 102 and the radiator of the second metal frame between the eighth breakpoint 114 and the seventh breakpoint 112 A third inverted F antenna can be formed. Since the position of the second metal frame 802 is different between the third switch 504 connecting the eighth breakpoint 114 and the seventh breakpoint 112, the distance between the ground of the inverted F antenna and the first signal source 600 is formed when the different positions are connected The difference is that the resonance device 946 can have a first resonance range when the second inverted F antenna is used, and a second resonance range when the third inverted F antenna is used.

The above electronic equipment controls the connection state of the switch device to form the signal source and the folded radiator into a new antenna, which is helpful to reduce the possibility that the original antenna will deteriorate the performance of the antenna due to folding, and improve the foldable electronic equipment. Antenna performance.

Please also refer to FIG. 6, which shows a flowchart of steps of an antenna control method according to an embodiment of the present invention. The antenna control method includes the following steps:

Step 620: Obtain the working state of the electronic device.

The working state of the electronic device 90 includes a folded state and an unfolded state (or unfolded state).

In this embodiment, the working status of the electronic device can be obtained through the detection device. For example, the detection device is used to detect the distance between the first housing 900 and the second housing 902. When the electronic device 90 is folded, the distance between the first housing 900 and the second housing 904 will be less than the preset The distance may determine that the electronic device 90 is in a folded state; otherwise, when the distance between the first housing 900 and the second housing 902 is not less than the preset distance, the electronic device 90 may be determined to be in an unfolded state.

Step 622: When the electronic device is in the folded state, control the working state of the switching device to form the signal source of the first resonance device, the first radiator, and the second radiator into a second resonance device.

Please refer to FIG. 2 again. When the electronic device 90 is in the expanded state, the first metal frame 800 and the second signal source 602 between the third breakpoint 104 and the fourth breakpoint 106 form a first unit including a branch. Polar antenna. If the electronic device 90 is in the folded state, the first switch 500, the second switch 502, and the third switch 504 are controlled to be in the off state. At this time, the second signal source 602, the fourth coupling member 718, the eighth coupling member 728, the first The first metal frame 800 (first branch) between the third breakpoint 104 and the fourth breakpoint 106 and the second metal frame 802 (second branch) between the fifth breakpoint 108 and the sixth breakpoint 110 can be obtained The second monopole antenna. In addition, the first metal frame between the first signal source 600, the third coupling member 714, the seventh coupling member 724, the sixth coupling member 726, the fourth coupling member 716, the first break point 100 and the second break point 102 The radiator of the second metal frame between the eighth breakpoint 114 and the seventh breakpoint 112 can obtain a third monopole antenna.

If the electronic device 90 is in the folded state, the first switch 500 and the third switch 504 are controlled to be in an open state, and the second switch 502 is controlled to be in a closed state. At this time, the second signal source 602, the fourth coupling member 718, and the eighth The coupling member 728, the radiator of the first metal frame between the third breakpoint 104 and the fourth breakpoint 106, the second metal frame between the fifth breakpoint 108 and the sixth breakpoint 110, and the second closed state The switch 502 can obtain the first inverted F antenna.

If the electronic device 90 is in a folded state, the first switch 500 is controlled to be in a closed state, and the second switch 502 and the third switch 504 are controlled to be in an open state. At this time, the first signal source 600, the third coupling member 714, and the seventh The coupling member 724, the sixth coupling member 726, the fourth coupling member 716, the first metal frame 800 between the first breakpoint 100 and the second breakpoint 102, the eighth breakpoint 114 and the seventh breakpoint 112 The second metal frame 802 can obtain a loop antenna.

If the electronic device 90 is in a folded state, the first switch 500 and the second switch 502 are controlled to be in an open state, and the third switch 504 is controlled to be in a closed state. If the third switch 504 is connected to the fifth coupling member 722, at this time, The first signal source 600, the third coupling member 714, the seventh coupling member 724, the first coupling member 712, the eighth coupling member 722, the first metal frame 800 between the first breakpoint 100 and the second breakpoint 102, and The second metal frame 802 between the eighth breakpoint 114 and the seventh breakpoint 112 can obtain a second inverted F antenna; if the third switch 504 is connected to the sixth coupling member 724, at this time, the first signal source 600, the first The three coupling members 714, the seventh coupling member 724, the first coupling member 712, the eighth coupling member 722, the first metal frame 800 between the first breakpoint 100 and the second breakpoint 102, and the eighth breakpoint 114 and the first The second metal frame 802 between the seven breakpoints 112 can obtain a third inverted F antenna.

The above antenna control method controls the connection state of the switch device to form the signal source and the folded radiator into a new antenna, which is helpful to reduce the possibility that the original antenna will deteriorate due to folding and improve the foldable electronic equipment Antenna performance.

In the above embodiments, the description of each embodiment has its own emphasis. For a part that is not detailed in an embodiment, you can refer to related descriptions in other embodiments.

The embodiments of the present invention have been described in detail above, and specific examples are used in this article to explain the principles and embodiments of the present invention. The descriptions of the above embodiments are only used to help understand the method and core idea of the present invention; Those of ordinary skill in the art, based on the ideas of the present invention, may have changes in specific embodiments and application scopes. In summary, the content of this specification should not be construed as limiting the present invention.

Claims

An antenna device, characterized in that the antenna device includes:

A first housing and a second housing movable relative to the first housing, the first housing includes a first radiator, and the second housing includes a second radiator;

A coupling component, when the first housing and the second housing are close to each other, the coupling component electrically connects the first radiator and the second radiator, the first radiator and the first The two radiators are combined into a new radiator.
The antenna device according to claim 1, wherein when the second housing is away from the first housing, the first radiator and the second radiator operate as two independent radiators .
The antenna device according to claim 2, wherein the second housing is close to the first housing because the second housing is turned into a folded state relative to the first housing; the second When the housing is away from the first housing, the second housing is turned over to the expanded state relative to the first housing.
The antenna device according to claim 1, wherein the coupling component is a metal conductor provided on the first housing.
The antenna device according to claim 1, wherein the coupling assembly simultaneously connects the first housing and the second housing when electrically connecting the first radiator and the second radiator Buckle each other.
The antenna device according to claim 5, wherein the coupling assembly includes a metal buckle electrically connected to the first radiator, and the second housing is close to the first housing The metal buckle is in contact with the second radiator.
The antenna device according to claim 6, wherein the second housing forms a through hole corresponding to the metal buckle, and when the second housing is close to the first housing, the metal buckle Snap into the through hole.
The antenna device according to claim 7, wherein the second radiation body is exposed outside the through hole.
The antenna device according to claim 6, wherein a transmission mechanism is further provided in the first casing, and when the second casing is close to the first casing, the transmission mechanism drives the metal card The buckle protrudes from the first housing. When the second housing is away from the first housing, the transmission mechanism drives the metal buckle to be received in the first housing.
The antenna device according to claim 1, wherein the first casing and the second casing respectively include a first metal frame and a second metal frame, and the first radiator is the first A part of the metal frame, the second radiator is a part of the second metal frame.
The antenna device according to claim 1, wherein a breakpoint is provided near a position where the first radiator and the second radiator are electrically connected.
The antenna device according to claim 10, wherein the antenna device includes a signal source, and the signal source forms a first resonance device when electrically connected to the first radiator, and the antenna device further includes:

A first switching device that switches the opening or closing of the connection between the second radiator and the ground terminal;

The coupling assembly includes a first type coupling member and the second type coupling member;

The processing device, when the first type coupling member and the second type coupling member are electrically connected, controls the first switching device to switch the opening or closing of the connection between the second radiator and the ground terminal, The signal source of the first resonance device, the first radiator and the second radiator constitute a second resonance device.
The antenna device according to claim 12, wherein when the processing device controls the first switching device to be in an off state, the connection between the second radiator and the ground terminal is disconnected, and the first The signal source of the resonance device, the first radiator, and the second radiator constitute a first type of second resonance device; when the processing device controls the first switching device to be in a closed state, the second radiation The connection between the body and the ground is closed, and the signal source of the first resonance device, the first radiator, and the second radiator constitute a second resonance device of the second type.
The antenna device according to claim 13, wherein the second resonance device of the first type is a monopole antenna, and the second resonance device of the second type is an inverted-F antenna.
The antenna device according to claim 13, wherein the second radiator is provided with a first connection point and a second connection point, and the distance between the first connection point and the signal source is The distance between the two connection points and the signal source is different; when the processing device controls the first switching device to switch the connection between the ground terminal and the first connection point closed, the second type of the second The resonance device has a first resonance frequency; when the processing device controls the first switching device to switch the connection between the ground point and the second connection point closed, the second resonance device of the second type has a second resonance frequency.
The antenna device according to claim 12, wherein the antenna device further comprises:

A third radiator, the third radiator is disposed on the first metal frame, at least one breakpoint is provided between the first radiator and the third radiator, and the first metal frame and When the second metal frames are close to each other, the third radiator is electrically connected to the second radiator;

The second switching device switches the opening or closing of the connection between the third radiator and the ground terminal;

When the first type coupling member and the second type coupling member are electrically connected, the control device controls the first switching device to switch the connection between the second radiator and the ground terminal to be disconnected, and controls The second switching device switches the opening or closing of the connection between the third radiator and the ground terminal, so that the signal source of the first resonance device, the first radiator, the second radiator and The third radiator constitutes a third resonance device.
The antenna device according to claim 16, wherein when the processing device controls the second switching device to be in an off state, the connection between the third radiator and the ground terminal is disconnected, and the first The signal source of the resonance device, the first radiator, the second radiator, and the third radiator constitute a first type of third resonance device; when the processing device controls the second switching device to be in a closed state, The connection between the third radiator and the ground terminal is closed, and the signal source of the first resonance device, the first radiator, the second radiator, and the third radiator constitute a second type of the first Three resonance devices.
The antenna device according to claim 17, wherein the third resonance device of the first type is a monopole antenna, and the third resonance device of the second type is a loop antenna.
The antenna device according to claim 16, wherein a plurality of break points are provided on the first metal frame, and the first metal frame between two adjacent break points forms the first radiator Or a third radiator, the first radiator and the third radiator do not overlap; the second metal frame is provided with a number of breakpoints, and the second metal between two adjacent breakpoints The frame forms the second radiator.
The antenna device according to claim 10, wherein the coupling assembly includes a first type coupling member and a second type coupling member corresponding to the first type coupling member, the first type coupling member being disposed at The first metal frame is electrically connected to the first metal frame, and the second type coupling member is disposed on the second metal frame and electrically connected to the second metal frame; When the second metal frame is close to each other, the first type coupling member is connected to the corresponding second type coupling member.
The antenna device according to claim 20, wherein the first type coupling member and the second type coupling member are metal blocks.
The antenna device according to claim 20, wherein the first type coupling member includes a protrusion, and the second type coupling member includes a buckle; the first metal frame and the second metal frame are close to each other At this time, the buckle is in contact with the protrusion.
The antenna device according to claim 22, wherein the first metal frame includes a receiving cavity, and the protrusion is disposed in the receiving cavity; the first metal frame further includes the second metal A first side opposite to the frame is provided with a snap hole, and the snap can be inserted into the snap hole to contact the protrusion.
The antenna device according to claim 23, wherein the second metal frame includes a second side opposite to the first metal frame, and the buckle is disposed on the second side.
The antenna device according to claim 23, wherein the second metal frame includes an accommodating portion, a lever is provided in the accommodating portion, and the buckle is disposed on the lever and is perpendicular to the length of the lever The direction extends; the second metal frame also includes a second side opposite to the first metal frame, the second side is provided with a through hole; when the first metal frame and the second metal frame are close to each other , The lever drives the buckle to protrude from the through hole and come into contact with the protrusion of the first metal frame.
The antenna device according to claim 25, wherein the antenna device further comprises a circuit board, the circuit board is received in the receiving cavity; the signal source is provided on the circuit board, and the protrusion It is electrically connected to the signal source on the circuit board.
The antenna device according to claim 12, wherein when the first metal frame and the second metal frame are far away from each other, the first resonance device is a monopole antenna.
An antenna control method, characterized in that the antenna control method includes:

Obtain the working status of electronic equipment;

When the electronic device is in the folded state, the working state of the switching device is controlled so that the signal source included in the first resonance device, the first radiator, and the second radiator constitute a second resonance device.
The antenna control method according to claim 28, wherein the acquiring the working state of the electronic device specifically includes:

Acquiring data transmitted by the detection device corresponding to the distance between the first housing and the second housing of the electronic device;

Determine whether the distance between the first shell and the second shell is less than a preset distance;

If yes, determine that the electronic device is working in a folded state;

If not, it is determined that the electronic device works in a non-folded state.
The antenna control method according to claim 28, wherein the switching device includes a first switch, the first switch switches between closing or opening of the second radiator and the ground terminal, and the control switching device The working state of the first resonant device, the signal source of the first resonant device and the first radiator and the second radiator constitute a second resonant device, specifically including:

The first switch is controlled to be in an off state, so that the signal source of the first resonance device, the first radiator, and the second radiator constitute a first type of second resonance device.
The antenna control method according to claim 30, wherein the operating state of the switching device is controlled so that the signal source of the first resonance device and the first radiator and the second radiator constitute a second resonance device, This includes:

The first switch is controlled to be in a closed state, so that the signal source of the first resonance device, the first radiator, and the second radiator constitute a second resonance device of the second type.
The antenna control method according to claim 31, wherein the second resonance device of the first type is a monopole antenna, and the second resonance device of the second type is an inverted F antenna or a loop antenna.
The antenna control method of claim 28, wherein the second radiator comprises a first contact point and a second contact point, and the distance between the first contact point and the signal source is different from the second The distance between the contact point and the signal source is different; the first switch switches the closing of the first contact point or the second contact point to the ground terminal, and the operating state of the switching device is controlled to change the The signal source, the first radiator and the second radiator constitute a second resonance device, which specifically includes:

Controlling the first switch to selectively connect the first contact point or the second contact point, so that the signal source of the first resonance device and the first radiator and the second radiator constitute a second resonance device having different Resonant frequency.