CN108270087B - Antenna assembly, electronic equipment and antenna switching method - Google Patents
Antenna assembly, electronic equipment and antenna switching method Download PDFInfo
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- CN108270087B CN108270087B CN201810055286.1A CN201810055286A CN108270087B CN 108270087 B CN108270087 B CN 108270087B CN 201810055286 A CN201810055286 A CN 201810055286A CN 108270087 B CN108270087 B CN 108270087B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
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- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
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Abstract
The embodiment of the application provides an antenna assembly, electronic equipment and an antenna switching method, wherein the antenna assembly comprises a first antenna structure, a second antenna structure and a first antenna structure, wherein the first antenna structure comprises a first feeding point, a second feeding point, a first end and a second end which are opposite, and the first end, the first feeding point, the second feeding point and the second end are arranged in sequence; the radio frequency module is coupled and connected with a first feed point of the first antenna structure through a control switch, and the first antenna structure is divided into a first short arm positioned between a first end and the first feed point and a first long arm positioned between a second end and the first feed point; the control switch is used for switching the coupling point of the radio frequency module and the first antenna structure from the first feeding point to the second feeding point according to the detected holding position of the user, and dividing the first antenna structure into a second long arm positioned between the first end and the second feeding point and a second short arm positioned between the second end and the second feeding point. The influence on the antenna caused by the holding of the user is reduced, and the stability of the antenna is improved.
Description
Technical Field
The present disclosure relates to the field of electronic devices, and particularly, to an antenna assembly, an electronic device, and an antenna switching method.
Background
With the development of network technology and the improvement of the intelligent degree of electronic equipment, users can realize more and more functions such as conversation, chatting, game playing and the like through the electronic equipment.
The user realizes signal transmission through the antenna of the electronic equipment in the conversation and chat processes of the electronic equipment. However, in the using process, the antenna of the electronic equipment is held and influenced by a user, and the antenna signal is unstable.
Disclosure of Invention
The embodiment of the application provides an antenna assembly, electronic equipment and an antenna switching method, which can improve the stability of the electronic equipment.
An embodiment of the present application provides an antenna assembly, includes:
the antenna comprises a first antenna structure and a second antenna structure, wherein the first antenna structure comprises a first feeding point, a second feeding point, a first end and a second end which are opposite to each other, the first feeding point and the second feeding point are arranged at intervals, and the first feeding point is positioned between the first end and the second feeding point;
the radio frequency module is coupled and connected to a first feeding point of the first antenna structure through a control switch, the first feeding point divides the first antenna structure into a first short arm positioned between the first end and the first feeding point and a first long arm positioned between the second end and the first feeding point, the first short arm is used for transmitting high-frequency signals, and the first long arm is used for transmitting low-frequency signals;
the control switch is configured to switch a coupling point of the radio frequency module and the first antenna structure from the first feeding point to the second feeding point according to the detected user holding position, the second feeding point divides the first antenna structure into a second long arm located between the first end and the second feeding point, and a second short arm located between the second end and the second feeding point, the second long arm is configured to transmit a low-frequency signal, and the second short arm is configured to transmit a high-frequency signal.
The embodiment of the application also provides electronic equipment, which comprises an antenna assembly and a processor, wherein the antenna assembly comprises a first antenna structure, a radio frequency module and a control switch, and the first antenna structure, the radio frequency module and the control switch are respectively coupled with the processor;
the first antenna structure comprises a first feeding point, a second feeding point, a first end and a second end, wherein the first end and the second end are opposite to each other;
the radio frequency module is coupled to a first feeding point of the first antenna structure through the control switch, the first feeding point divides the first antenna structure into a first short arm located between the first end and the first feeding point and a first long arm located between the second end and the first feeding point, the first short arm is used for transmitting high-frequency signals, and the first long arm is used for transmitting low-frequency signals;
the processor is configured to control the control switch to switch a coupling point of the radio frequency module and the first antenna structure from the first feeding point to the second feeding point according to the detected user holding position, where the second feeding point divides the first antenna structure into a second long arm located between the first end and the second feeding point, and a second short arm located between the second end and the second feeding point, where the second short arm is configured to transmit a high-frequency signal, and the second long arm is configured to transmit a low-frequency signal.
The embodiment of the application also provides an antenna switching method, which is applied to electronic equipment,
the electronic device includes an antenna assembly including a first antenna structure, a radio frequency module, and a control switch, wherein the first antenna structure comprises a first feed point, a second feed point, and opposite first and second ends, the first and second feed points being spaced apart, and the first feeding point is located between the first end and the second feeding point, the radio frequency module is coupled to the first feeding point of the first antenna structure through the control switch, the first feeding point divides the first antenna structure into a first short arm between the first end and the first feeding point and a first long arm between the second end and the first feeding point, the first short arm is configured to transmit high frequency signals and the first long arm is configured to transmit low frequency signals, the method comprising:
detecting a user holding position of the electronic equipment through sensors arranged on two sides of the electronic equipment;
if it is detected that the electronic device is held at one side of the first end of the antenna structure and the first short arm is in a working state, controlling the control switch to switch the coupling point of the radio frequency module and the first antenna structure from the first feeding point to the second feeding point;
if it is detected that the electronic device is held at one side of the second end of the antenna structure and the first long arm is in a working state, controlling the control switch to switch the coupling point of the radio frequency module and the first antenna structure from the first feeding point to the second feeding point;
the second feeding point divides the first antenna structure into a second long arm located between the first end and the second feeding point, and a second short arm located between the second end and the second feeding point, wherein the second short arm is used for transmitting high-frequency signals, and the second long arm is used for transmitting low-frequency signals.
The antenna assembly provided by the embodiment of the application comprises a first antenna structure, a radio frequency module and a control switch, wherein the first antenna structure comprises a first feeding point and a second feeding point which are arranged at intervals, the first feeding point is positioned between a first end and the second feeding point, namely the first end, the first feeding point, the second feeding point and the second end are arranged in sequence, the radio frequency module is coupled with the first antenna structure through the first feeding point and divides the antenna structure into a first short arm positioned between the first end and the first feeding point and a first long arm positioned between the second end and the first feeding point according to the first feeding point, the control switch switches the coupling point of the radio frequency module and the first antenna structure from the first feeding point to the second feeding point according to the detected holding position of a user, the second feeding point divides the first antenna structure into a second long arm positioned between the first end and the second feeding point, and a second short arm located between the second end and the second feed point. When the electronic equipment detects that the holding position of the user is located at the first long arm or the first short arm in the working state, the long arm transmits low-frequency signals and the short arm transmits high-frequency signals, the electronic equipment generally only transmits the low-frequency signals or the high-frequency signals during working, the coupling point of the first antenna structure is switched, the long arm and the short arm are exchanged, the influence on the antenna caused by the holding of the user can be reduced, and the stability of the antenna is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a first structural schematic diagram of an electronic device according to 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 application.
Fig. 3 is a third schematic structural diagram of an electronic device according to an embodiment of the present application.
Fig. 4 is a fourth schematic structural diagram of an electronic device according to an embodiment of the present application.
Fig. 5 is a fifth structural schematic diagram of an electronic device according to an embodiment of the present application.
Fig. 6 is a schematic structural diagram of an antenna assembly provided in an embodiment of the present application.
Fig. 7 is a schematic structural diagram of a first antenna structure according to an embodiment of the present application.
Fig. 8 is another schematic structural diagram of the first antenna structure according to the embodiment of the present application.
Fig. 9 is another schematic structural diagram of an antenna assembly provided in an embodiment of the present application.
Fig. 10 is a flowchart illustrating an antenna switching method according to an embodiment of the present application.
Fig. 11 is another flowchart of an antenna switching method according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
The embodiment of the application provides an antenna assembly, electronic equipment and an antenna switching method. The details will be described below separately. The antenna assembly can be arranged in the electronic device, and the electronic device can be a smart phone, a tablet computer and the like.
Referring to fig. 1 and fig. 2, fig. 1 is a first structural schematic diagram of an electronic device according to an embodiment of the present disclosure, and fig. 2 is a second structural schematic diagram of the electronic device according to the embodiment of the present disclosure. The electronic device 10 may include a cover 11, a display 12, a circuit board 13, a battery 14, a housing 15, a camera 16, and a fingerprint unlock module 17. It should be noted that the electronic device 10 shown in fig. 1 and 2 is not limited to the above, and may include other devices, or does not include the camera 16, or does not include the fingerprint unlocking module 17.
Wherein the cover plate 11 is mounted to the display screen 12 to cover the display screen 12. The cover 1 may be a transparent glass cover so that the display screen transmits light through the cover 11 to display. In some embodiments, the cover plate 11 may be a glass cover plate made of a material such as sapphire.
The housing 15 may include a middle frame 151 and a rear cover 152, the middle frame 151 and the rear cover 152 may be combined with each other to form the housing 15, and the middle frame 151 and the rear cover 152 may form a receiving space to receive the printed circuit board 13, the display 12, the battery 14, and the like. Further, a cover plate 11 may be fixed to the housing 15, and the cover plate 11 and the housing 15 form a closed space to accommodate the printed circuit board 13, the display 12, the battery 14, and the like. In some embodiments, the cover plate 11 is disposed on the middle frame 151, the rear cover 152 is disposed on the middle frame 151, the cover plate 11 and the rear cover 152 are disposed on opposite sides of the middle frame 151, and the cover plate 11 and the rear cover 152 are disposed opposite to each other.
In some embodiments, the housing 15 may be a metal housing, such as a metal such as magnesium alloy, stainless steel, and the like. It should be noted that the material of the housing 15 in the embodiment of the present application is not limited to this, and other manners may also be adopted, such as: the housing 15 may be a plastic housing. Also for example: the housing 15 is a ceramic housing. For another example: the housing 15 may include a plastic part and a metal part, and the housing 15 may be a housing structure in which metal and plastic are matched with each other, specifically, the metal part may be formed first, for example, a magnesium alloy substrate is formed by injection molding, and then plastic is injected on the magnesium alloy substrate to form a plastic substrate, so as to form a complete housing structure.
It should be noted that, the structure of the housing in the embodiment of the present application is not limited to this, for example: the rear cover and the middle frame are integrally formed to form a completed housing 15 structure, which directly has a receiving space for receiving the printed circuit board 13, the display 12, the battery 14, and the like.
The printed circuit board 13 is mounted in the housing 15, the printed circuit board 13 may be a motherboard of the electronic device 10, and one, two or more of the functional components such as the motor, the microphone, the speaker, the earphone interface, the usb interface, the camera 16, the distance sensor, the ambient light sensor, the receiver, and the processor may be integrated on the printed circuit board 13.
In some embodiments, the printed circuit board 13 may be secured within the housing 15. Specifically, the printed circuit board 13 may be screwed to the middle frame 151 by screws, or may be snap-fitted to the middle frame 151. It should be noted that the way that the printed circuit board 13 is specifically fixed to the middle frame 151 in the embodiment of the present application is not limited to this, and other ways, such as a way of fixing by a snap and a screw together, may also be used.
Wherein the battery 14 is mounted in the housing 15, the battery 14 being electrically connected to the printed circuit board 13 for providing power to the electronic device 10. The housing 15 may serve as a battery cover for the battery 14. The case 15 covers the battery 14 to protect the battery 14, and particularly, the rear cover covers the battery 14 to protect the battery 14, reducing damage to the battery 14 due to collision, dropping, and the like of the electronic apparatus 10.
Wherein the display 12 is mounted in the housing 15, and the display 12 is electrically connected to the printed circuit board 13 to form a display surface of the electronic device 10. The display screen 12 may include a display area and a non-display area. The display area may be used to display a screen of the electronic device 10 or provide a user with touch control. The top area of the non-display area is provided with an opening for conducting sound and light, and the bottom of the non-display area can be provided with functional components such as a fingerprint module, a touch key and the like. The cover plate 11 is mounted on the display 12 to cover the display 12, and may form the same display area and non-display area as the display 12 or different display areas and non-display areas.
Note that the structure of the display screen 12 is not limited to this. For example, the display 12 may be a special-shaped display, specifically, please refer to fig. 3, and fig. 3 is a third schematic structural diagram of the electronic device according to the embodiment of the present application. The electronic device in fig. 3 differs from the electronic device in fig. 1 in that: the electronic device 20 includes a display 22, a cover 21, a printed circuit board 23, a battery 24, and a housing 25. Wherein the display screen 22 has a light permeable area 28 formed directly thereon. Specifically, for example: the display screen 22 is provided with a through hole penetrating the display screen 22 in the thickness direction, and the light-permeable area 28 may include the through hole, and the through hole may be provided with functional components such as a front camera, an earphone, a sensor, and the like. For another example: the display screen 22 is provided with non-display areas, which the light permeable areas 28 may comprise. Wherein the cover plate 21 is adapted to the structural arrangement of the display screen 22. It should be noted that, the housing 25 may refer to the housing 15, the printed circuit board 23 may refer to the printed circuit board 13, and the battery 24 may refer to the battery 14, which are not described in detail herein.
Referring to fig. 4, fig. 4 is a fourth schematic structural diagram of an electronic device according to an embodiment of the present disclosure, where the electronic device in fig. 4 is different from the electronic device in fig. 1 in that: the electronic device 30 in fig. 4 includes a display screen 32, a cover plate 31, a printed circuit board 33, a battery 34, and a housing 35. The display screen 32 is provided with a notch 121 at its periphery, and the notch 121 can be used for placing functional components such as a front camera, an earphone, a sensor, and the like. The cover plate 31 is suitable for the structure of the display screen 11, the cover plate 31 may be provided with a large notch such as the notch 121, and the cover plate 31 may cover the notch 121. It should be noted that, the housing 3 may refer to the housing 15, the printed circuit board 33 may refer to the printed circuit board 13, and the battery 34 may refer to the battery 14, which are not described in detail herein.
It should be noted that, in some embodiments, the display 12 may not include the non-display area, but may be configured as a full-screen structure, and the functional components such as the distance sensor and the ambient light sensor may be disposed below the display or at other positions. Specifically, please refer to fig. 5, and fig. 5 is a fifth structural schematic diagram of an electronic device according to an embodiment of the present disclosure. The electronic device 40 includes a display 42, a cover 41, a printed circuit board 43, a battery 44, and a housing 45. Wherein the display screen 42 is overlaid on the housing 45 without a non-display area. Wherein, the cover plate 41 is suitable for the size setting of the display screen 42. It should be noted that, the housing 45 may refer to the housing 15, the printed circuit board 43 may refer to the printed circuit board 13, and the battery 44 may refer to the battery 14, which are not described herein again.
In some embodiments, the Display 12 may be a Liquid Crystal Display (LCD) or Organic Light-Emitting Diode (OLED) type Display. In some embodiments, when the display 12 is a liquid crystal display, the electronic device 10 may further include a backlight module, not shown, which can be referred to as a backlight module in the prior art.
In some embodiments, the electronic device 10 may also include an antenna structure for transceiving signals. The antenna structure may be mounted to the housing 15, such as to the bezel 151. The antenna structure may form a fixed connection structure with the middle frame 151, which is defined as an antenna assembly. The following description will be made in detail by taking an antenna assembly as an example.
Referring to fig. 6, fig. 6 is a schematic structural diagram of an antenna assembly according to an embodiment of the present application. The antenna assembly 100 may include a first antenna structure 111, a carrier 153, a radio frequency module 120, and a control switch 130.
The carrier 153 may be a shell structure, which may be a plate structure or may have a receiving cavity, and the carrier 153 may be a metal material, such as a magnesium alloy material. The carrier 153 may also be co-injection molded of metal and plastic. It should be noted that the carrier 153 may refer to the middle frame, or the carrier 153 may refer to the rear cover, or the carrier 153 may refer to the structure formed by integrally forming the middle frame and the rear cover, which is not described herein again.
In some embodiments, the carrier 153 has a first end 108 and a second end 109, and the first end 108 and the second end 109 are respectively located at two opposite ends of the carrier 153, such as the first end 108 located at the bottom of the electronic device 10 and the second end 109 located at the top of the electronic device 10. The first antenna structure 111 may be disposed at the first end 108 of the carrier 153 and located at the periphery of the carrier 108. Or may be mounted on second end 109 of carrier 153 and located at the periphery of carrier 108. The first antenna structure 111 may be used as a main antenna, and the first antenna structure 111 may transmit and receive signals, for example, the first antenna structure 111 may transmit and receive signals of a low frequency band (700-. It should be noted that the first antenna structure 111 may also be used for transmitting and receiving other signals. In some embodiments, the first antenna structure 111 may also act as a diversity antenna for receiving signals.
In some embodiments, the first antenna structure 111 may be disposed at the top or bottom of the electronic device 10.
In some embodiments, the first antenna structure 111 includes a first feed point 183, a second feed point 184, and opposing first and second ends 181, 182. Wherein the first feeding point 183 and the second feeding point 184 are sequentially disposed on the first antenna structure 111, and the first feeding point 183 and the second feeding point 184 are spaced apart from each other, the first end 181, the first feeding point 183, the second feeding point 184 and the second end 182 of the first antenna structure 111 are sequentially arranged, that is, the first feeding point 183 is disposed between the first end 181 and the second feeding point 184, the first feeding point 183 is disposed near the first end 181, and the second feeding point 184 is disposed near the second end 182.
An output of the rf module 120 is coupled to an input of the control switch 130, a first output of the control switch 130 is coupled to a first feeding point 183, and a second output of the control switch 130 is coupled to a second feeding point 184. A matching circuit 122 may be added between the rf module 120 and the control switch 130.
Referring to fig. 7 and 8 together, fig. 7 is a schematic structural diagram of the first antenna structure according to the embodiment of the present application, and fig. 8 is another schematic structural diagram of the first antenna structure according to the embodiment of the present application. When the antenna assembly 100 operates in the initial state, the rf module 120 is coupled to the first feeding point 183 of the first antenna structure 111 through the control switch 130, the first feeding point 183 divides the first antenna structure 111 into a first short arm 191 located between the first end 181 and the first feeding point 183 and a first long arm 192 located between the second end 182 and the first feeding point 183, that is, into the first short arm 191 near the first end 181 and the first long arm 192 near the second end 182, the first short arm 191 is configured to transmit high frequency signals, and the first long arm 192 is configured to transmit low frequency signals. The control switch 130 is configured to switch the coupling point of the rf module 120 and the first antenna structure 111 from the first feeding point 183 to the second feeding point 184 according to the detected holding position of the user, the second feeding point 184 divides the first antenna structure 111 into a second long arm 193 located between the first end 181 and the second feeding point 184, and a second short arm 194 located between the second end 182 and the second feeding point 184, namely, into the second long arm 193 near the first end 181, and the second short arm 194 near the second end 182, the second long arm 193 is configured to transmit low-frequency signals, and the second short arm 194 is configured to transmit high-frequency signals.
For example, in the first initial state, the rf module 120 is coupled to the first feeding point 183 of the first antenna structure 111 through the control switch 130, the first feeding point 183 divides the first antenna structure 111 into a first short arm 191 located between the first end 181 and the first feeding point 183 and a first long arm 192 located between the second end 182 and the first feeding point 183, the first short arm 191 is configured to transmit a high frequency signal, and the first long arm 192 is configured to transmit a low frequency signal.
If the rf module 120 is transmitting or receiving a high frequency signal through the first short arm 191, and it is detected that the user holding position blocks the position of the first short arm 191, the coupling point of the rf module 120 and the first antenna structure 111 is switched from the first feeding point 183 to the second feeding point 184, the second feeding point 184 divides the first antenna structure 111 into a second long arm 193 located between the first end 181 and the second feeding point 184, and a second short arm 194 located between the second end 182 and the second feeding point 184, wherein the second long arm 193 is used for transmitting a low frequency signal, and the second short arm 194 is used for transmitting a high frequency signal. In this way, the antenna for transmitting high frequency signals is switched from the first short arm 191 at the first end 181 to the second short arm 194 at the second end 182, thereby avoiding the influence of the user's grip on the performance of the antenna.
If the rf module 120 is transmitting or receiving a low frequency signal through the first long arm 192, and it is detected that the user holds the position of the first long arm 192, the coupling point of the rf module 120 and the first antenna structure 111 is switched from the first feeding point 183 to the second feeding point 184, the second feeding point 184 divides the first antenna structure 111 into a second long arm 193 located between the first end 181 and the second feeding point 184, and a second short arm 194 located between the second end 182 and the second feeding point 184, the second long arm 193 being used for transmitting a low frequency signal, and the second short arm 194 being used for transmitting a high frequency signal. In this way, the antenna structure for transmitting low frequency signals is switched from the first long arm 192 at the second end 182 to the second long arm 193 at the first end 181, thereby avoiding the influence of the user's grip on the antenna performance.
For example, in the second initial state, the rf module 120 is coupled to the second feeding point 184 of the first antenna structure 111 through the control switch 130, the second feeding point 184 divides the first antenna structure 111 into a second long arm 193 located between the first end 181 and the second feeding point 184, and a second short arm 194 located between the second end 182 and the second feeding point 184, the second short arm 194 is used for transmitting high frequency signals, and the second long arm 193 is used for transmitting low frequency signals.
If the rf module 120 is transmitting or receiving a high frequency signal through the second short arm 194, and it is detected that the user holding position blocks the position of the second short arm 194, the coupling point of the rf module 120 and the first antenna structure 111 is switched from the second feeding point 184 to the first feeding point 183, the first feeding point 183 divides the first antenna structure 111 into a first short arm 191 located between the first end 181 and the first feeding point 183 and a first long arm 192 located between the second end 182 and the first feeding point 183, the first long arm 192 is used for transmitting a low frequency signal, and the first short arm 191 is used for transmitting a high frequency signal. In this way, the antenna structure for transmitting high frequency signals is switched from the second short arm 194 at the second end 182 to the first long arm 192 at the first end 181, thereby avoiding the influence of the user's grip on the antenna performance.
If the rf module 120 is transmitting or receiving a high frequency signal through the second long arm 193, and when the user holding position is detected at the time, the coupling point of the rf module 120 and the first antenna structure 111 is switched from the second feeding point 184 to the first feeding point 183, the first feeding point 183 divides the first antenna structure 111 into a first short arm 191 located between the first end 181 and the first feeding point 183 and a first long arm 192 located between the second end 182 and the first feeding point 183, the first long arm 192 is used for transmitting a low frequency signal, and the first short arm 191 is used for transmitting a high frequency signal. In this way, the antenna structure for transmitting low frequency signals is switched from the second long arm 193 at the first end 181 to the first long arm 192 at the second end 182, thereby avoiding the influence of the user's grip on the antenna performance.
It should be noted that, in the above embodiment, the first end 181 of the first antenna structure 111 may be disposed on the left side of the electronic device 10, and the second end 182 may be disposed on the right side of the electronic device 10; it is also possible to arrange the first end 181 of the first antenna structure 111 on the right side of the electronic device 10 and the second end 182 on the left side of the electronic device 10.
In some embodiments, the antenna assembly 100 may further include a first fm switch 161 and a second tuner 172, and the first fm switch 161 and the second tuner 172 may be mounted on the carrier 153, and in particular, the first fm switch 161 and the second tuner 172 may be located at the first end 108.
In some embodiments, the first tuner 171 is coupled to a first coupling point 185 of the first antenna structure 111, the first coupling point 185 being disposed between the first end 181 and the first feeding point 183.
In some embodiments, the second tuner 172 is coupled to a second coupling point 186 of the first antenna structure 111, the first coupling point 186 being disposed between the second end 182 and the second feed point 184.
The first short arm 191 and the second long arm 193 are coupled to the first tuner 171, and the first long arm 192 and the second short arm 194 are coupled to the second tuner 172, so that the frequency range of the first antenna structure 111 is widened by adjusting the first tuner 171 and the second tuner 172.
Referring to fig. 9, fig. 9 is another schematic structural diagram of an antenna element according to an embodiment of the present application. The electronic device 10 comprises an antenna assembly 100 and a processor 180, the antenna assembly 100 may be the antenna assembly 100 of any one of the above embodiments.
In some embodiments, the electronic device 10 further comprises a signal detection unit for detecting a signal drop amplitude of the first antenna structure 111;
the processor 180 is further configured to confirm that the antenna structure currently transmitting the signal is held by the user and switch the coupling point of the rf module 120 and the first antenna structure 111 from the first feeding point 183 to the second feeding point 184 when the signal drop is greater than the first threshold.
It should be noted that the signal detection unit may be a separate component and coupled to the processor 180. The signal detection unit may also be a functional unit within the processor 180.
The electronic device further comprises a second antenna structure and a carrier, the first antenna structure 111 being located at a first end 108 of the carrier, the second antenna structure being located at a second end 109 of the carrier, the first end 108 and the second end 109 being located at opposite ends of the carrier, respectively. It should be noted that the first end 108 may be configured as a top and the second end 109 may be configured as a bottom. It is also contemplated that first end 108 may be a bottom and second end 109 may be a top.
In some embodiments, the carrier comprises opposite first and second sides, the first antenna structure 111 extending from the first side to the second side of the carrier. The first side and the second side correspond to two opposite sides of the electronic device.
The electronic device 10 may also include a headset interface 103, a communication interface 104, and an audio cavity 105.
It should be noted that, in the above embodiment, the first short arm 191 or the second short arm 194 may be used to transmit a high frequency signal, and may also be used to transmit an intermediate frequency signal. Likewise, the first and second long arms 192 and 193 may be used to transmit low frequency signals and may also be used to transmit intermediate frequency signals.
It should be noted that, in the above embodiments, the first antenna structure 111 and the second antenna structure 112 may be radiators of antennas.
In the above embodiment, the gap between the first antenna structure 111 and the carrier 153 may be U-shaped, C-shaped, straight slit, or micro slit.
Referring to fig. 10, fig. 10 is a schematic flowchart of an antenna switching method according to an embodiment of the present application. The antenna switching method is applied to an electronic device, which may be the electronic device 10 of the above-mentioned embodiment, where the electronic device 10 includes an antenna assembly 100, and the antenna assembly 100 includes a first antenna structure 111, a radio frequency module 120, and a control switch 130, where the first antenna structure 111 includes a first feeding point 183, a second feeding point 184, and a first end 181 and a second end 182 which are opposite to each other, where the first feeding point 183 and the second feeding point 184 are sequentially disposed on the first antenna structure 111, and the first feeding point 183 and the second feeding point 184 are spaced apart from each other, and the first end 181, the first feeding point 183, the second feeding point 184, and the second end 182 of the first antenna structure 111 are sequentially arranged, that is, the first feeding point 183 is located between the first end 181 and the second feeding point 184, the first feeding point 183 is located near the first end 181, and the second feeding point 184 is located near the second end 182. In an initial state, the rf module 120 is coupled to the first feeding point 183 of the first antenna structure 111 through the control switch 130, the first feeding point 183 divides the first antenna structure 111 into a first short arm 191 located between the first end 181 and the first feeding point 183 and a first long arm 192 located between the second end 182 and the first feeding point 183, the first short arm 191 is used for transmitting a high frequency signal, and the first long arm 192 is used for transmitting a low frequency signal, based on the initial state, the specific flow of the method is as follows:
103, if it is detected that the electronic device is held at the side of the second end of the antenna structure and the first long arm is in a working state, controlling the control switch to couple the radio frequency module with the coupling point of the first antenna structure;
in step 104, the second feeding point divides the first antenna structure into a second long arm located between the first end and the second feeding point, and a second short arm located between the second end and the second feeding point, the second short arm being configured to transmit high frequency signals, and the second long arm being configured to transmit low frequency signals.
In some embodiments, without considering the initial state of each antenna structure, the switching of the antenna may also be implemented by the following steps:
(1) the user holding position of the electronic apparatus 10 is detected by sensors provided on both sides of the electronic apparatus 10.
The sensor can adopt a capacitance sensor, a pressure sensor and the like. The sensors are arranged in correspondence with the first antenna structure 111, such as in correspondence with the first end 181 and the second end 182 of the first antenna.
For convenience of description of the present embodiment, the first end 181 of the first antenna structure 111 is disposed on the left side of the electronic device 10, and the second end 182 is disposed on the right side of the electronic device 10. It should be noted that the first end 181 of the first antenna structure 111 may be disposed on the right side of the electronic device 10, and the second end 182 may be disposed on the left side of the electronic device 10.
(2) When the sensor on the left side of the electronic device 10 detects the user's grip, the current usage state of the first antenna structure 111 is determined.
If the first antenna structure 111 is coupled to the rf module 120 through the first feeding point 183 in the first initial state, the first antenna structure 111 is divided into a first short arm 191 on the left and a first long arm 192 on the right.
If the left first short arm 191 is in an operating state, the control switch 130 is controlled to switch the coupling point of the rf module 120 and the first antenna structure 111 from the first feeding point 183 to the second feeding point 184, and the second feeding point 184 divides the first antenna structure 111 into the left second long arm 193 and the right second short arm 194. Thus, the high frequency signal is transmitted by switching from the first short arm 191 on the left to the second short arm 194 on the right, which improves the performance and stability of the antenna.
If the right first long arm 192 is in the working state at this time, the switching is not necessary.
If the first antenna structure 111 is coupled to the rf module 120 through the second feeding point 184 in the second initial state, the second antenna structure is divided into a left second long arm 193 and a right second short arm 194.
If the left second long arm 193 is in an operating state, the control switch 130 is controlled to switch the coupling point of the rf module 120 and the first antenna structure 111 from the second feeding point 184 to the first feeding point 183, and the first feeding point 183 divides the first antenna structure 111 into the left first short arm 191 and the right first long arm 192. Thus, the low frequency signal is transmitted by switching from the left second long arm 193 to the right first long arm 192, which improves the antenna performance and stability.
If the right second short arm 194 is in the working state at this time, the switching is not required.
Similarly, when the sensor on the right side of the electronic device 10 detects that the user holds the electronic device, the same method is used to control and adjust the antenna architecture of the first antenna structure 111.
Referring to fig. 11, fig. 11 is another schematic flow chart of an antenna switching method according to an embodiment of the present application. The antenna switching method is applied to an electronic device 10, the electronic device 10 may be the electronic device 10 of the above-mentioned embodiment, the electronic device 10 includes an antenna assembly 100, the antenna assembly 100 includes a first antenna structure 111, a radio frequency module 120, and a control switch 130, wherein the first antenna structure 111 includes a first feeding point 183, a second feeding point 184, and a first end 181 and a second end 182 which are opposite to each other, wherein the first feeding point 183 and the second feeding point 184 are sequentially disposed on the first antenna structure 111, and the first feeding point 183 and the second feeding point 184 are spaced apart from each other, the first end 181, the first feeding point 183, the second feeding point 184, and the second end 182 of the first antenna structure 111 are sequentially arranged, that is, the first feeding point 183 is located between the first end 181 and the second feeding point 184, the first feeding point 183 is located near the first end 181, the second feeding point 184 is located near the second end 182, and in an initial state, the rf module 120 is coupled to the first feeding point 183 of the first antenna structure 111 through the control switch 130, the first feeding point 183 divides the first antenna structure 111 into a first short arm 191 located between the first end 181 and the first feeding point 183 and a first long arm 192 located between the second end 182 and the first feeding point 183, the first short arm 191 is used for transmitting high frequency signals, the first long arm 192 is used for transmitting low frequency signals, and based on the initial state, the specific flow of the method is as follows:
The first feeding point 183 and the second feeding point 184 may be switched cyclically to select a feeding point with a smaller signal drop.
The antenna assembly, the electronic device, and the antenna switching method provided in the embodiments of the present application are described in detail above, and specific examples are applied herein to illustrate the principles and embodiments of the present application, and the description of the above embodiments is only used to help understanding the present application. Meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (8)
1. An antenna assembly, comprising:
the antenna comprises a first antenna structure and a second antenna structure, wherein the first antenna structure comprises a first feeding point, a second feeding point, a first end and a second end which are opposite to each other, the first feeding point and the second feeding point are arranged at intervals, and the first feeding point is positioned between the first end and the second feeding point;
the radio frequency module is coupled and connected to a first feeding point of the first antenna structure through a control switch, the first feeding point divides the first antenna structure into a first short arm positioned between the first end and the first feeding point and a first long arm positioned between the second end and the first feeding point, the first short arm is used for transmitting high-frequency signals, and the first long arm is used for transmitting low-frequency signals;
the control switch is controlled to circularly switch the first feeding point and the second feeding point to be connected with the radio frequency module, and to obtain a signal drop amplitude when the first feeding point or the second feeding point of the antenna structure is connected with the radio frequency module, the first feeding point or the second feeding point with a smaller signal drop amplitude is selected to be connected with the radio frequency module, the second feeding point divides the first antenna structure into a second long arm located between the first end and the second feeding point, and a second short arm located between the second end and the second feeding point, the second long arm is used for transmitting low-frequency signals, and the second short arm is used for transmitting high-frequency signals.
2. The antenna assembly of claim 1, further comprising a first tuner coupled to a first coupling point of the first antenna structure, the first coupling point disposed between the first end and the first feed point.
3. The antenna assembly of claim 1, further comprising a second tuner coupled to a second coupling point of the first antenna structure, the first coupling point disposed between the second end and the second feed point.
4. An electronic device comprising an antenna assembly and a processor, wherein the antenna assembly comprises a first antenna structure, a radio frequency module, and a control switch, the first antenna structure, radio frequency module, and control switch being respectively coupled to the processor;
the first antenna structure comprises a first feeding point, a second feeding point, a first end and a second end, wherein the first end and the second end are opposite to each other;
the radio frequency module is coupled to a first feeding point of the first antenna structure through the control switch, the first feeding point divides the first antenna structure into a first short arm located between the first end and the first feeding point and a first long arm located between the second end and the first feeding point, the first short arm is used for transmitting high-frequency signals, and the first long arm is used for transmitting low-frequency signals;
the processor is configured to cyclically switch the first feeding point and the second feeding point to be connected to the radio frequency module, and obtain a signal drop amplitude when the first feeding point or the second feeding point of the antenna structure is connected to the radio frequency module, select the first feeding point or the second feeding point with a smaller signal drop amplitude to be connected to the radio frequency module, divide the first antenna structure into a second long arm located between the first end and the second feeding point, and a second short arm located between the second end and the second feeding point, where the second short arm is used to transmit a high-frequency signal, and the second long arm is used to transmit a low-frequency signal.
5. The electronic device of claim 4, wherein the first antenna structure is located at a top or bottom of the electronic device.
6. The electronic device of claim 4, further comprising a second antenna structure and a carrier, the first antenna structure being located at a first end of the carrier, the second antenna structure being located at a second end of the carrier, the first end and the second end being located at opposite ends of the carrier, respectively.
7. The electronic device of claim 6, wherein the carrier includes opposing first and second sides, and wherein the first antenna structure extends from the first side to the second side of the carrier.
8. An antenna switching method applied to an electronic device, wherein the electronic device comprises an antenna assembly, the antenna assembly comprises a first antenna structure, a radio frequency module and a control switch, wherein the first antenna structure comprises a first feeding point, a second feeding point, a first end and a second end which are opposite to each other, the first feeding point and the second feeding point are arranged at intervals, the first feeding point is located between the first end and the second feeding point, the radio frequency module is coupled and connected to the first feeding point of the first antenna structure through the control switch, the first feeding point divides the first antenna structure into a first short arm located between the first end and the first feeding point and a first long arm located between the second end and the first feeding point, and the first short arm is used for transmitting high-frequency signals, the first long arm is used for transmitting low-frequency signals, the second feeding point divides the first antenna structure into a second long arm between the first end and the second feeding point, and a second short arm between the second end and the second feeding point, the second short arm is used for transmitting high-frequency signals, and the second long arm is used for transmitting low-frequency signals; the method comprises the following steps:
and circularly switching the first feeding point and the second feeding point to be connected with the radio frequency module, acquiring the signal reduction amplitude when the first feeding point or the second feeding point of the antenna structure is connected with the radio frequency module, and selecting the first feeding point or the second feeding point with smaller signal reduction amplitude to be connected with the radio frequency module.
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| CN201810055286.1A CN108270087B (en) | 2018-01-19 | 2018-01-19 | Antenna assembly, electronic equipment and antenna switching method |
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| CN201810055286.1A CN108270087B (en) | 2018-01-19 | 2018-01-19 | Antenna assembly, electronic equipment and antenna switching method |
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| CN109104507A (en) * | 2018-07-12 | 2018-12-28 | Oppo广东移动通信有限公司 | Electronic equipment and its control method |
| CN115498402A (en) * | 2019-09-12 | 2022-12-20 | 华为技术有限公司 | Antenna device, communication product and reconstruction method of antenna directional pattern |
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| CN104704862A (en) * | 2012-12-19 | 2015-06-10 | 华为技术有限公司 | Reconfigurable multiband antenna |
| CN105680176A (en) * | 2015-12-18 | 2016-06-15 | 联想(北京)有限公司 | Antenna performance optimization method and electronic equipment |
| CN106299604A (en) * | 2016-09-14 | 2017-01-04 | 宇龙计算机通信科技(深圳)有限公司 | Antenna assembly and mobile terminal |
| CN106972260A (en) * | 2017-01-19 | 2017-07-21 | 瑞声科技(新加坡)有限公司 | Antenna system and mobile terminal |
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| CN104704862A (en) * | 2012-12-19 | 2015-06-10 | 华为技术有限公司 | Reconfigurable multiband antenna |
| CN105680176A (en) * | 2015-12-18 | 2016-06-15 | 联想(北京)有限公司 | Antenna performance optimization method and electronic equipment |
| CN106299604A (en) * | 2016-09-14 | 2017-01-04 | 宇龙计算机通信科技(深圳)有限公司 | Antenna assembly and mobile terminal |
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