CN108736134B - Antenna assembly and electronic equipment - Google Patents
Antenna assembly and electronic equipment Download PDFInfo
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- CN108736134B CN108736134B CN201810812861.8A CN201810812861A CN108736134B CN 108736134 B CN108736134 B CN 108736134B CN 201810812861 A CN201810812861 A CN 201810812861A CN 108736134 B CN108736134 B CN 108736134B
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
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- H—ELECTRICITY
- H01—BASIC 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
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
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- H—ELECTRICITY
- H01—BASIC 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—BASIC ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
- H01Q1/523—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas between antennas of an array
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
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- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
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- H—ELECTRICITY
- H01—BASIC 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
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
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- H—ELECTRICITY
- H01—BASIC 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
Abstract
The embodiment of the application provides an antenna assembly and electronic equipment, wherein the antenna assembly comprises a metal middle frame, the metal middle frame comprises a first end part, a main body part and a second end part, a first gap is arranged between the first end part and the main body part, and a second gap is arranged between the main body part and the second end part; the main body part comprises a first side edge part, a main ground part and a second side edge part, and the first side edge part, the second side edge part, the first end part and the second end part surround the main ground part; the two ends of the first side edge part are respectively provided with a first antenna structure and a second antenna structure, and the two ends of the second side edge part are respectively provided with a third antenna structure and a fourth antenna structure; the first antenna structure, the second antenna structure, the third antenna structure and the fourth antenna structure are respectively provided with a feed end, each feed end divides the corresponding antenna structure into two sub-antenna structures, and the two sub-antenna structures connected with the same feed end are used for transmitting antenna signals of different frequency bands. The four antenna structures can simultaneously transmit antenna signals of two frequency bands.
Description
Technical Field
The present application relates to the field of electronic devices, and in particular, to an antenna assembly and an electronic device.
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 playing games and web browsing by using the electronic equipment.
The existing electronic equipment comprises two long-term evolution antennas, a position positioning antenna and a wireless fidelity antenna, and the number of the antennas is limited, so that the requirement of higher antennas cannot be met.
Disclosure of Invention
The embodiment of the application provides an antenna module and electronic equipment, can have more antenna structures, satisfies higher antenna demand.
The embodiment of the application provides an antenna module, it includes:
the metal middle frame comprises a main body part, a first end part and a second end part, wherein the first end part and the second end part are arranged at two ends of the main body part;
the main body part comprises a main ground part, a first side edge part and a second side edge part, wherein the first side edge part and the second side edge part are respectively positioned on two sides of the main ground part and are arranged around the main ground part together with the first end part and the second end part;
a first antenna structure and a second antenna structure are respectively arranged at two ends of the first side part, and a third antenna structure and a fourth antenna structure are respectively arranged at two ends of the second side part;
a third gap is arranged between the first antenna structure and the main ground part, a fourth gap is arranged between the second antenna structure and the main ground part, a fifth gap is arranged between the third antenna structure and the main ground part, and a sixth gap is arranged between the fourth antenna structure and the main ground part;
the first antenna structure, the second antenna structure, the third antenna structure and the fourth antenna structure are respectively provided with a feed end, each feed end divides the corresponding antenna structure into two sub-antenna structures, and the two sub-antenna structures connected with the same feed end are used for transmitting antenna signals of different frequency bands.
The embodiment of the application also provides electronic equipment, which comprises a radio frequency module and an antenna assembly, wherein the radio frequency module is connected with the antenna assembly, and the antenna assembly is the antenna assembly.
The antenna assembly provided by the embodiment of the application comprises a first end part, a main body part and a second end part, wherein the first end part and the second end part are respectively positioned at two ends of the main body part; the main body part comprises a first side edge part, a main ground part and a second side edge part, the first side edge part and the second side edge part are respectively positioned at two sides of the main ground part, a first antenna structure and a second antenna structure are respectively arranged at two ends of the first side edge part, and a third antenna structure and a fourth antenna structure are respectively arranged at two ends of the second side edge part; gaps are arranged between the four antenna structures and the main ground, a feed end is arranged on each of the first antenna structure, the second antenna structure, the third antenna structure and the fourth antenna structure, each feed end divides the corresponding antenna structure into two sub-antenna structures, and the two sub-antenna structures connected with the same feed end are used for transmitting antenna signals of different frequency bands. Thus, the four antenna structures can have better antenna performance. On the basis that the first end portion and the second end portion are provided with the antenna structures, the two sides of the main body portion are provided with the four antenna structures, so that the antenna assembly has more antenna structures, antenna signals can be conveniently transmitted and/or received, and higher antenna requirements are met. And the four antenna structures can simultaneously transmit antenna signals of two frequency bands.
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 schematic structural diagram of an electronic device according to an embodiment of the present application.
Fig. 2 is another schematic structural diagram of an electronic device according to an embodiment of the present application.
Fig. 3 is a first structural schematic diagram of an antenna assembly provided in an embodiment of the present application.
Fig. 4 is a second structural schematic diagram of an antenna assembly provided in an embodiment of the present application.
Fig. 5 is a schematic structural diagram of a first antenna structure according to an embodiment of the present application.
Fig. 6 is a schematic diagram of a third structure of an antenna assembly provided in an embodiment of the present application.
Fig. 7 is a fourth structural schematic diagram of an antenna assembly provided in an embodiment of the present application.
Fig. 8 is a fifth structural schematic diagram of an antenna assembly provided in an embodiment of the present application.
Fig. 9 is a block diagram schematically illustrating a module of an electronic device 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 "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any 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.
The embodiment of the application provides an antenna assembly and electronic equipment. The antenna assembly and the electronic device will be described in detail below. The electronic device may be a smart phone, a tablet computer, or other devices, and may also be a game device, an AR (Augmented Reality) device, an automobile, a data storage device, an audio playing device, a video playing device, a notebook, a desktop computing device, or other devices.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure. In this embodiment, the electronic device 100 includes a display screen 10, a middle frame 20, a circuit board 30, a battery 40, and a rear cover 50.
Wherein the display screen 10 is mounted on the rear cover 50 to form a display surface of the electronic device 100. The display screen 10 serves as a front housing of the electronic device 100, and forms an accommodating space with the rear cover 50 for accommodating other electronic components or functional modules of the electronic device 100. Meanwhile, the display screen 10 forms a display surface of the electronic apparatus 100 for displaying information such as images, texts, and the like. The Display screen 10 may be a Liquid Crystal Display (LCD) or an Organic Light-Emitting Diode (OLED) Display screen.
In some embodiments, a glass cover plate may be disposed over the display screen 10. Wherein, the glass cover plate can cover the display screen 10 to protect the display screen 10 and prevent the display screen 10 from being scratched or damaged by water.
In some embodiments, the display screen 10 may include a display area 11 and a non-display area 12. The display area 11 performs a display function of the display screen 10 for displaying information such as images and texts. The non-display area 12 does not display information. The non-display area 12 may be used to set functional modules such as a camera, a receiver, a proximity sensor, and the like. In some embodiments, the non-display area 12 may include at least one area located at upper and lower portions of the display area 11.
Referring to fig. 2, fig. 2 is another schematic structural diagram of an electronic device according to an embodiment of the present disclosure. In this embodiment, the display screen 10 may be a full-face screen. At this time, the display screen 10 may display information in a full screen, so that the electronic apparatus 100 has a large screen occupation ratio. The display screen 10 comprises only the display area 11 and no non-display area. At this time, functional modules such as a camera and a proximity sensor in the electronic apparatus 100 may be hidden under the display screen 10, and the fingerprint identification module of the electronic apparatus 100 may be disposed on the back of the electronic apparatus 100.
The middle frame 20 may have a thin plate-like or sheet-like structure, or may have a hollow frame structure. The middle frame 20 can be accommodated in the accommodating space formed by the display screen 10 and the rear cover 50. The middle frame 20 is used for providing a supporting function for the electronic components or the functional modules in the electronic device 100, so as to mount the electronic components or the functional modules in the electronic device together. For example, functional modules such as a camera, a receiver, a circuit board, and a battery in the electronic apparatus may be mounted on the center frame 20 for fixing. In some embodiments, the material of the middle frame 20 may include metal or plastic.
The circuit board 30 is mounted inside the receiving space. For example, the circuit board 30 may be mounted on the middle frame 20 and received in the receiving space together with the middle frame 20. The circuit board 30 may be a motherboard of the electronic device 100. The circuit board 30 is provided with a grounding point to realize grounding of the circuit board 30. One or more of a motor, a microphone, a speaker, a receiver, an earphone interface, a universal serial bus interface (USB interface), a camera, a proximity sensor, an ambient light sensor, a gyroscope, and a processor may be integrated on the circuit board 30. Meanwhile, the display screen 10 may be electrically connected to the circuit board 30.
In some embodiments, display control circuitry is disposed on the circuit board 30. The display control circuit outputs an electric signal to the display screen 10 to control the display screen 10 to display information.
The battery 40 is mounted inside the receiving space. For example, the battery 40 may be mounted on the middle frame 20 and be received in the receiving space together with the middle frame 20. The battery 40 may be electrically connected to the circuit board 30 to enable the battery 40 to power the electronic device 100. The circuit board 30 may be provided thereon with a power management circuit. The power management circuit is used to distribute the voltage provided by the battery 40 to the various electronic components in the electronic device 100.
The rear cover 50 is used to form an outer contour of the electronic device 100. The rear cover 50 may be integrally formed. In the forming process of the rear cover 50, a rear camera hole, a fingerprint identification module mounting hole and the like can be formed in the rear cover 50.
In some embodiments, the display screen may also be a special-shaped screen, for example, a non-display area is provided in the middle of the top of the display screen, and functional devices such as a front camera and a receiver are provided in the non-display area.
Referring to fig. 3, fig. 3 is a schematic view illustrating a first structure of an antenna assembly according to an embodiment of the present application. In some embodiments, the antenna group includes a metal middle frame 20, where the metal middle frame 20 includes a first end portion 21, a main body portion 22, and a second end portion 23, the first end portion 21 and the second end portion 23 are located at two ends of the main body portion 22, a first gap 31 is disposed between the first end portion 21 and the main body portion 22, a second gap 32 is disposed between the main body portion 22 and the second end portion 23, and the first gap 31 and the second gap 32 penetrate through the metal middle frame 20 in a thickness direction of the metal middle frame 20. The metal middle frame 20 may be the middle frame in the above embodiments, and is not described herein again.
Wherein the body portion 22 includes a first side edge portion 221, a main ground portion 222, and a second side edge portion 223. The first side edge portion 221 and the second side edge portion 223 are located at both sides of the main ground portion 222. The first end portion 21, the main body portion 22 and the second end portion 23 are sequentially arranged along a first direction, such as a long side direction of the metal middle frame 20. The first side portion 221, the main portion 222, and the second side portion 223 are sequentially disposed in a second direction, such as a short side direction of the metal bezel 20. The first end portion, the first side edge portion, the second end portion and the second side edge portion are disposed collectively around the main ground portion.
The first side portion 221 and the second side portion 223 are disposed between the first gap 31 and the second gap 32, the first antenna structure 81 and the second antenna structure 82 are disposed at both ends of the first side portion 221, respectively, and the third antenna structure 83 and the fourth antenna structure 84 are disposed at both ends of the second side portion 223, respectively.
A third gap 33 is provided between the first antenna structure 81 and the main ground 222, a fourth gap 34 is provided between the second antenna structure 82 and the main ground 222, a fifth gap 35 is provided between the third antenna structure 83 and the main ground 222, and a sixth gap 36 is provided between the fourth antenna structure 84 and the main ground 222.
The first antenna structure 81, the second antenna structure 82, the third antenna structure 83 and the fourth antenna structure 84 are respectively provided with a feeding end 811, each feeding end 811 divides the corresponding antenna structure into two sub-antenna structures, the two sub-antenna structures on each antenna structure are used for transmitting antenna signals of different frequency bands, that is, the two sub-antenna structures connected with the same feeding end 811 are used for transmitting antenna signals of different frequency bands.
Thus, the four antenna structures can have better antenna performance. On the basis that the first end portion and the second end portion are provided with the antenna structures, the two sides of the main body portion are provided with the four antenna structures, so that the antenna assembly has more antenna structures, antenna signals can be conveniently transmitted and/or received, and higher antenna requirements are met. And the four antenna structures can simultaneously transmit antenna signals of two frequency bands.
The first antenna structure 81, the second antenna structure 82, the third antenna structure 83 and the fourth antenna structure 84 may constitute a Multiple-Input Multiple-Output (MIMO) antenna, which is used for transmitting or receiving antenna signals of two frequency bands simultaneously.
In some embodiments, the first end portion 21 includes a first body portion 211, a first protrusion 212 and a second protrusion 213, two ends of the first body portion 211 extend toward the main body portion 22 to form the first protrusion 212 and the second protrusion 213, respectively, the second end portion 23 includes a second body portion 231, a third protrusion 232 and a fourth protrusion 233, two ends of the second body portion 231 extend toward the main body portion 22 to form the third protrusion 232 and the fourth protrusion 233, respectively, one end of the main ground portion 222 of the main body portion 22 is disposed between the first protrusion 212 and the second protrusion 213, and the other end of the main ground portion 222 is disposed between the third protrusion 232 and the fourth protrusion 233.
The first protrusion 212, the first side portion 221, and the third protrusion 232 are disposed on the same side, and the second protrusion 213, the second side portion 223, and the fourth protrusion 233 are disposed on the same side.
A first gap 31 between the first end portion 21 and the main body portion 22 separates the two. Specifically, the first slit 31 includes a first portion, a second portion and a third portion connected with each other, the first portion is disposed between the first protruding portion 212 and the main body portion 22, the second portion is disposed between the first body portion 211 and the main body portion 22, and the third portion is disposed between the second protruding portion 213 and the main ground.
The first portion includes a first sub-portion extending in a first direction and a second sub-portion extending in a second direction, and the first direction and the second direction may be perpendicular, the first direction may be a direction parallel to the first protrusion 212, and the second direction may be a direction perpendicular to the first protrusion 212. The first sub-portion separates a side of the first protrusion 212 from the main body portion 22, the second sub-portion separates an end of the first protrusion 212 from the main body portion 22, and the other end of the first protrusion 212 is connected to the first body portion 211. Likewise, the third portion also includes two sub-portions, the orientation of the two sub-portions being perpendicular. In this way, the first end portion 21 can be completely separated from the main body portion 22.
In some embodiments, the second end 23 and the second gap 32 may take the same configuration as the first end 21 and the first gap 31. Referring to fig. 4, fig. 4 is a schematic view of a second structure of an antenna element according to an embodiment of the present application. Specifically, the first side portion 221 includes a third end portion 2211, a first middle portion 2212 and a fourth end portion 2213, and the third end portion 2211 and the fourth end portion 2213 are respectively located at two ends of the first middle portion 2212.
The second side edge portion 223 includes a fifth end portion 2231, a second middle portion 2232, and a sixth end portion 2233, with the fifth end portion 2231 and the sixth end portion 2233 being located at opposite ends of the second middle portion 2232.
A third gap 33 is provided between the third end 2211 and the main ground 222, the first intermediate portion 2212 is connected to the main ground 222, a fourth gap 34 is provided between the fourth end 2213 and the main ground 222, the first antenna structure 81 is provided on the third end 2211, and the second antenna structure 82 is provided on the fourth end 2213.
A fifth gap 35 is provided between the fifth end 2231 and the main ground 222, the second middle 2232 is connected to the main ground 222, a sixth gap 36 is provided between the sixth end 2233 and the main ground 222, the fifth end 2231 is provided with the third antenna structure 83, and the sixth end 2233 is provided with the fourth antenna structure 84.
The first antenna structure 81, the second antenna structure 82, the third antenna structure 83 and the fourth antenna structure 84 are respectively provided with a feeding end 811, each feeding end 811 divides the corresponding antenna structure into two sub-antenna structures, and the two sub-antenna structures on each antenna structure are used for transmitting antenna signals of different frequency bands.
Wherein the third gap 33 and the fifth gap 35 are respectively communicated with both ends of the first gap 31, and the fourth gap 34 and the sixth gap 36 are respectively communicated with both ends of the second gap 32. The third gap 33, the fourth gap 34, the fifth gap 35, and the sixth gap 36 penetrate the metal intermediate frame in the thickness direction of the metal intermediate frame. Wherein one end of the first antenna structure 81 is connected to the main ground 222, and the other portion of the first antenna structure 81 is separated from the main ground 222 by the third gap 33. The second antenna structure 82, the third antenna structure 83, and the fourth antenna structure 84 employ a structure similar to the first antenna structure 81.
In some embodiments, each feeding terminal 811 is connected to one signal source 90 through one matching circuit 71, and each signal source 90 transmits antenna signals of two different frequency bands simultaneously.
Each signal source 90 may transmit antenna signals of two frequency bands simultaneously, for example, the antenna signals include antenna signals of two frequency bands of N78(3.3GHz to 3.6GHz) and N79(4.8GHz to 5GHz), each signal source 90 transmits antenna signals of N78 frequency band and N79 frequency band simultaneously, and the 4 matching circuits 71 adjust internal circuits thereof, so that the antenna structures corresponding thereto transmit the antenna signals of the N78 frequency band and N79 through different sub-antenna structures. Similarly, when receiving the antenna signal, the antenna signal of the N78 band and the antenna signal of the N79 band are simultaneously received.
In some embodiments, the two sub-antenna structures connected to the same feeding terminal have different lengths, and the matching circuit 71 transmits the antenna signals of two different frequency bands through the two sub-antenna structures at the same time.
The lengths of the two sub-antenna structures of each of the first antenna structure 81, the second antenna structure 82, the third antenna structure 83, and the fourth antenna structure 84 are different, so that the antenna signals of two frequency bands can be respectively matched, and then the antenna signals of two different frequency bands are simultaneously transmitted through the two sub-antenna structures respectively.
With continuing reference to fig. 5, fig. 5 is a schematic diagram of a first antenna structure according to an embodiment of the present disclosure. In some embodiments, each matching circuit 71 comprises a capacitor 72, one end of the capacitor 72 is connected to the signal source 90, and the other end of the capacitor 72 is connected to the feeding end of the antenna structure.
Specifically, the antenna structure adopts the capacitor 72 to couple and feed, and adjusts the feeding position and the feeding capacitance value on the antenna structure, so that the first sub-antenna structure 811 in the antenna structure can be a loop-mode antenna structure. And the second sub-antenna structure 812 is an IFA mode antenna structure. The two modal sub-antenna structures are respectively positioned in different frequency bands, so that the coverage of antenna signals of the two frequency bands is realized. For example, the two sub-antenna structures are respectively positioned in N78(3.3 GHz-3.6 GHz) and N79(4.8 GHz-5 GHz) frequency bands of a 5G antenna, so that the domestic 5G frequency band coverage is realized. Specifically, as shown in the figure, the antenna signal of the first sub-antenna structure 811 travels along the path shown by the dashed line 721, and the antenna signal of the second sub-antenna structure 812 travels along the path shown by the dashed line 722. It is understood that the antenna signal in this embodiment is a current signal flowing along the antenna structure.
In some embodiments, the first antenna structure 81, the second antenna structure 82, the third antenna structure 83, and the fourth antenna structure 84 are the same antenna structure, and the matching circuits connected to the same respective antenna structures are the same matching circuits.
The first antenna structure 81, the second antenna structure 82, the third antenna structure 83 and the fourth antenna structure 84 are all the same, so that the antenna structures are convenient to set, the matching circuits of the antenna structures are convenient to set, and meanwhile, when parameters of the antenna structures are adjusted in stages such as a design stage and a detection stage, the parameters of the antenna structures are also simpler and more convenient to adjust. Meanwhile, each antenna structure forms a Multiple-Input Multiple-Output (MIMO) antenna, and the MIMO antennas can better cooperate with each other when being used for simultaneously transmitting or receiving antenna signals in the same frequency band.
In some embodiments, one of the first, second, third and fourth antenna structures 81, 82, 83, 84 is of a different length than the other antenna structures.
Because the functional devices arranged at various positions of the electronic equipment are different or the structural design of the electronic equipment needs, the four antenna structures cannot be provided at the same position. If the third antenna structure 83 needs to have keys at a peripheral position, the length of the third antenna structure 83 is shorter than the lengths of the other antenna structures, so that the matching circuit of the third antenna structure 83 may include an inductor, which is equivalent to extending the length of the third antenna structure 83. Of course, the third antenna structure 83 may have a longer length due to a high clearance environment around the antenna structure, and the other antenna structure may have a shorter length due to various environmental restrictions, which requires the matching circuit to be used in cooperation with the antenna for transmitting and receiving the antenna signal.
In some embodiments, the main ground 222 is grounded, the first and second antenna structures 81 and 82 are grounded through the first side portion 221, and the third and fourth antenna structures 83 and 84 are grounded through the second side portion 223.
Specifically, the first middle portion 2212 and the second middle portion 2232 are grounded through the main ground portion 222, the third end portion 2211 and the fourth end portion 2213 are grounded through the first middle portion 2212, and the fifth end portion 2231 and the sixth end portion 2233 are grounded through the second middle portion 2232, respectively. The main ground portion 222 of the metal bezel 20 is grounded, so that the first middle portion 2212 and the second middle portion 2232 connected to the main ground portion 222 are also grounded, the third end portion 2211 and the fourth end portion 2213 are grounded through the first middle portion 2212, and the fifth end portion 2231 and the sixth end portion 2233 are grounded through the second middle portion 2232, and each antenna structure is directly grounded through one end connected to the main ground portion 222 without an additional ground point. Meanwhile, the strength of the metal middle frame 20 can be enhanced.
In some embodiments, the end of the first antenna structure 81 connected to the main ground portion 222 is a first grounding point, it can be understood that the end of the first antenna structure 81 connected to the first middle portion 2212 is a first grounding point, the end of the first antenna structure 81 facing the first gap 31 is a first free end, the antenna structure between the feeding end on the first antenna structure 81 and the first grounding point forms a first sub-antenna structure 811, and the antenna structure between the feeding end on the first antenna structure 81 and the first free end forms a second sub-antenna structure 812.
Thus, the first sub-antenna structure 811 in the antenna structure can be a loop mode antenna structure, and the second sub-antenna structure 812 can be an IFA mode antenna structure. The two modal sub-antenna structures are respectively positioned in different frequency bands, so that the coverage of antenna signals of the two frequency bands is realized. For example, the two sub-antenna structures are respectively positioned in N78(3.3 GHz-3.6 GHz) and N79(4.8 GHz-5 GHz) frequency bands of a 5G antenna, so that the domestic 5G frequency band coverage is realized.
Referring to fig. 6, fig. 6 is a schematic diagram illustrating a third structure of an antenna element according to an embodiment of the present application. In some embodiments, the first end portion 21 is provided with a fifth antenna structure 85 and the second end portion 23 is provided with a sixth antenna structure 86.
The fifth antenna structure 85 and the sixth antenna structure 86 transmit antenna signals with a frequency of less than 3699MHz, and the first antenna structure 81, the second antenna structure 82, the third antenna structure 83 and the fourth antenna structure 84 transmit antenna signals with a frequency of more than 3.8 GHz.
The fifth antenna structure 85 of the first end portion 21 and the sixth antenna structure 86 of the second end portion 23 are configured to transmit and/or receive 4G radio frequency signals, which may range in frequency from 699MHz (megahertz) to 3699 MHz. The first antenna structure 81, the second antenna structure 82, the third antenna structure 83 and the fourth antenna structure 84 are used for transmitting and/or receiving radio frequency signals of 5G, the frequency of which may range from 3.8GHz (gigahertz) to 30 GHz.
In some embodiments, the fifth antenna structure 85 and the sixth antenna structure 86 may be two Long Term Evolution (LTE) antennas for transmitting antenna signals of low frequency + intermediate frequency + high frequency.
Referring to fig. 7, fig. 7 is a schematic diagram illustrating a fourth structure of an antenna element according to an embodiment of the present application. The first end portion 21 is further provided with a seventh antenna structure 87, the seventh antenna structure 87 and the fifth antenna structure 85 are respectively arranged on two sides of the first end portion 21, and the seventh antenna structure 87 is used for transmitting short-distance antenna signals and/or positioning signals. The seventh antenna structure 87 may be disposed on both sides of the first gap 31 with the first antenna structure 81. The short-distance antenna signal may be a Wireless-Fidelity (WIFI) signal, a bluetooth signal, or the like, and the positioning signal may be a GPS signal.
In some embodiments, the first gap 31 and the second gap 32 in the above embodiments are filled with a non-metal material (such as plastic, plastics, etc.), and the first end portion 21, the main body portion 22, and the second end portion 23 are integrally connected, so as to improve the strength of the metal middle frame 20. Similarly, the third gap 33, the fourth gap 34, the fifth gap 35 and the sixth gap 36 may be filled with a non-metallic material. Wherein the width of each gap may be between 1mm and 2.5 mm.
In some embodiments, the metal middle frame 20 may be a magnesium aluminum alloy metal middle frame 20, an aluminum alloy middle frame, or the like.
In the present application, slits (1mm to 2.5mm) are formed at the upper and lower ends and the side edges of the metal bezel 20, and the antenna structure is manufactured using metal branches divided by the slits. The original two LTE antennas and GPS/WIFI antenna system structures and positions remain unchanged. And the newly opened four metal branches are used as radiators of the 5G antenna. The switching between the two frequency bands of the 5G antenna N78(3.3 GHz-3.6 GHz) and N79(4.8 GHz-5 GHz) is realized by the impedance matching network 75 and the frequency band switching mechanism (antenna switch or antenna tuning Tuner).
Referring to fig. 8, fig. 8 is a schematic view illustrating a fifth structure of an antenna element according to an embodiment of the present application. Wherein, a first isolation bar 241 is further disposed between the first antenna structure 81 and the first protruding portion 212, a third gap 33 is further disposed between the first isolation bar 241 and the first antenna structure 81, and a first gap 31 is further disposed between the first isolation bar 241 and the first protruding portion 212, that is, the first isolation bar 241 is not connected to the first end portion 21 and the first side portion 221, the first isolation bar 241 may be connected to the main ground portion 222, and the first isolation bar 241 and the main ground portion 222 may be integrally formed or connected (e.g., welded) together by two separate elements.
The antenna structure on the first end portion 21 and the first antenna structure 81 share a slot, and the isolation between the two structures is poor. The first isolation bar 241 is added to effectively increase the isolation between the first antenna structure 81 and the antenna structure at the first end portion 21. The first isolation bar 241 may be a metal isolation bar.
A second spacer 242 is disposed between the second antenna structure 82 and the third protrusion 232. There is also a fourth gap 34 between the second spacer and the second antenna structure 82 and a second gap 32 between the second spacer and the third protrusion 232.
The third spacer 243 is disposed between the third antenna structure 83 and the second protrusion 213. There is also a fifth gap 35 between the third spacer 243 and the third antenna structure 83, and a first gap 31 between the first spacer and the second protrusion 213.
The fourth isolation bar 244 is disposed between the fourth antenna structure 84 and the fourth protrusion 233. There is also a sixth gap 36 between the fourth spacer 244 and the fourth antenna structure 84 and a second gap between the fourth spacer 244 and the fourth tab 233.
Similarly, the second spacer, the third spacer and the fourth spacer may increase the isolation of the antenna structures on both sides of the spacer.
Referring to fig. 9, fig. 9 is a block diagram illustrating an electronic device according to an embodiment of the present disclosure. The electronic device 100 may include control circuitry, which may include storage and processing circuitry 61. The storage and processing circuit 61 may be a memory, such as a hard disk drive memory, a non-volatile memory (e.g., a flash memory or other electronically programmable read-only memory used to form a solid state drive, etc.), a volatile memory (e.g., a static or dynamic random access memory, etc.), etc., and the embodiments of the present application are not limited thereto. The processing circuitry in the storage and processing circuitry 61 may be used to control the operation of the electronic device 100. The processing circuitry may be implemented based on one or more microprocessors, microcontrollers, digital signal processors, baseband processors, power management units, audio codec chips, application specific integrated circuits, display driver integrated circuits, and the like.
The storage and processing circuitry 61 may be used to run software in the electronic device 100, such as an Internet browsing application, a Voice Over Internet Protocol (VOIP) telephone call application, an email application, a media playing application, operating system functions, and so forth. Such software may be used to perform control operations such as, for example, camera-based image capture, ambient light measurement based on an ambient light sensor, proximity sensor measurement based on a proximity sensor, information display functionality based on status indicators such as status indicator lights of light emitting diodes, touch event detection based on a touch sensor, functionality associated with displaying information on multiple (e.g., layered) displays, operations associated with performing wireless communication functions, operations associated with collecting and generating audio signals, control operations associated with collecting and processing button press event data, and other functions in the electronic device 100, and the like, without limitation of embodiments of the present application.
The electronic device 100 may also include input-output circuitry 62. The input-output circuit 62 may be used to enable the electronic device 100 to input and output data, i.e., to allow the electronic device 100 to receive data from external devices and also to allow the electronic device 100 to output data from the electronic device 100 to external devices. The input-output circuit 62 may further include a sensor 63. The sensors 63 may include ambient light sensors, optical and capacitive based proximity sensors, touch sensors (e.g., optical based touch sensors and/or capacitive touch sensors, where the touch sensors may be part of a touch display screen or may be used independently as a touch sensor structure), acceleration sensors, and other sensors, among others.
Input-output circuitry 62 may also include one or more displays, such as display 64. The display 64 may include one or a combination of liquid crystal displays, organic light emitting diode displays, electronic ink displays, plasma displays, displays using other display technologies. The display 64 may include an array of touch sensors (i.e., the display 64 may be a touch display screen). The touch sensor may be a capacitive touch sensor formed by a transparent touch sensor electrode (e.g., an Indium Tin Oxide (ITO) electrode) array, or may be a touch sensor formed using other touch technologies, such as acoustic wave touch, pressure sensitive touch, resistive touch, optical touch, and the like, and the embodiments of the present application are not limited thereto.
Electronic device 100 may also include audio component 65. The audio component 65 may be used to provide audio input and output functionality for the electronic device 100. Audio components 65 in electronic device 100 may include speakers, microphones, buzzers, tone generators, and other components for generating and detecting sound.
The communication circuit 66 may be used to provide the electronic device 100 with the ability to communicate with external devices. The communication circuitry 66 may include analog and digital input-output interface circuitry, and wireless communication circuitry based on radio frequency signals and/or optical signals. The wireless communication circuitry in communication circuitry 66 may include radio-frequency transceiver circuitry, power amplifier circuitry, low noise amplifiers, switches, filters, and antennas. For example, the wireless Communication circuitry in Communication circuitry 66 may include circuitry to support Near Field Communication (NFC) by transmitting and receiving Near Field coupled electromagnetic signals. For example, the communication circuit 66 may include a near field communication antenna and a near field communication transceiver. The communications circuitry 66 may also include a cellular telephone transceiver and antenna, a wireless local area network transceiver circuit and antenna, and the like.
The electronic device 100 may further include a battery, power management circuitry, and other input-output units 67. The input-output unit 67 may include buttons, joysticks, click wheels, scroll wheels, touch pads, keypads, keyboards, cameras, light emitting diodes and other status indicators, etc.
A user may input commands through input-output circuitry 62 to control the operation of electronic device 100, and may use output data of input-output circuitry 62 to enable receipt of status information and other outputs from electronic device 100.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The antenna assembly and the electronic device provided by the embodiments of the present application are described in detail above, and the principles and embodiments of the present application are described herein using specific examples, which are provided only 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 (10)
1. An antenna assembly, comprising:
the metal middle frame comprises a main body part, a first end part and a second end part, wherein the first end part and the second end part are arranged at two ends of the main body part;
the main body part comprises a main ground part, a first side edge part and a second side edge part, wherein the first side edge part and the second side edge part are respectively positioned on two sides of the main ground part and are arranged around the main ground part together with the first end part and the second end part;
a first antenna structure and a second antenna structure are respectively arranged at two ends of the first side part, a third antenna structure and a fourth antenna structure are respectively arranged at two ends of the second side part, a third gap is arranged between the first antenna structure and the main ground part, a fourth gap is arranged between the second antenna structure and the main ground part, a fifth gap is arranged between the third antenna structure and the main ground part, and a sixth gap is arranged between the fourth antenna structure and the main ground part;
the first antenna structure, the second antenna structure, the third antenna structure and the fourth antenna structure are all provided with a feed end, each feed end is respectively connected with a signal source through a matching circuit, each matching circuit comprises a capacitor, one end of the capacitor is connected with the signal source, the other end of the capacitor is connected with the feed end, each signal source simultaneously transmits antenna signals of a 5G first frequency band and a 5G second frequency band, the antenna structures are coupled and fed through the capacitors, the matching circuits respectively match the antenna signals of the 5G first frequency band and the 5G second frequency band, so that the antenna signals of the 5G first frequency band and the antenna signals of the 5G second frequency band are simultaneously transmitted through two sub-antenna structures respectively, wherein one sub-antenna structure is a loop-mode antenna structure, the other sub-antenna structure is an IFA (inverted-F antenna array) mode antenna structure, and the two sub-antenna structures connected with the same feed end are different in length;
first antenna structure the second antenna structure the third antenna structure with fourth antenna structure includes four ring mode antenna structure and four IFA mould antenna structure, four ring mode antenna structure are used for constituteing the multiple-input multiple-output antenna of the first frequency channel antenna signal of transmission 5G, four IFA mould antenna structure are used for constituteing the multiple-input multiple-output antenna of the second frequency channel antenna signal of transmission 5G.
2. The antenna assembly of claim 1, wherein the first antenna structure, the second antenna structure, the third antenna structure, and the fourth antenna structure are the same antenna structure, and wherein matching circuits connected to the same respective antenna structures are the same matching circuits.
3. The antenna assembly of claim 1, wherein the main ground is grounded in part, the first and second antenna structures are grounded through the first side edge portion, and the third and fourth antenna structures are grounded through the second side edge portion.
4. The antenna assembly of claim 1, wherein an end of the first antenna structure connected to the main ground is a first ground point, an end of the first antenna structure facing the first gap is a first suspended end, an antenna structure between the feeding end on the first antenna structure and the first ground point forms a first sub-antenna structure, and an antenna structure between the feeding end on the first antenna structure and the first suspended end forms a second sub-antenna structure.
5. The antenna assembly of claim 1, wherein the first end portion is provided with a fifth antenna structure and the second end portion is provided with a sixth antenna structure;
the frequency of the antenna signal transmitted by the fifth antenna structure and the sixth antenna structure is less than 3699MHz, and the frequency of the antenna signal transmitted by the first antenna structure, the second antenna structure, the third antenna structure and the fourth antenna structure is greater than 3.8 GHz.
6. The antenna assembly of claim 5, wherein a seventh antenna structure is further disposed on the first end portion, the seventh antenna structure and the fifth antenna structure being disposed on opposite sides of the first end portion, the seventh antenna structure being configured to transmit short-range antenna signals and/or positioning signals.
7. The antenna assembly according to claim 1, wherein the third gap and the fifth gap communicate with both ends of the first gap, respectively, the fourth gap and the sixth gap communicate with both ends of the second gap, respectively, and the third gap, the fourth gap, the fifth gap, and the sixth gap penetrate through the metal bezel in a thickness direction of the metal bezel.
8. The antenna assembly of claim 1, wherein the first end portion comprises a first body portion, a first protrusion, and a second protrusion, wherein two ends of the first body portion extend toward the body portion to form the first protrusion and the second protrusion, respectively, wherein the second end portion comprises a second body portion, a third protrusion, and a fourth protrusion, wherein two ends of the second body portion extend toward the body portion to form the third protrusion and the fourth protrusion, respectively, wherein one end of the main ground portion is disposed between the first protrusion and the second protrusion, and the other end of the main ground portion is disposed between the third protrusion and the fourth protrusion;
the first protruding portion, the first side portion, and the third protruding portion are disposed on the same side, and the second protruding portion, the second side portion, and the fourth protruding portion are disposed on the same side.
9. The antenna assembly of claim 8, wherein a first spacer is disposed between the first antenna structure and the first protrusion, the first spacer being spaced apart from the first antenna structure and the first protrusion; a second isolating strip is arranged between the second antenna structure and the third protruding part, and the second isolating strip, the second antenna structure and the third protruding part are arranged at intervals; a third isolating strip is arranged between the third antenna structure and the second protruding part, and the third isolating strip is arranged at intervals with the third antenna structure and the second protruding part; a fourth isolating strip is arranged between the fourth antenna structure and the fourth protruding part, and the fourth isolating strip, the fourth antenna structure and the fourth protruding part are arranged at intervals;
the first isolation strip, the second isolation strip, the third isolation strip and the fourth isolation strip are all connected with the main ground.
10. An electronic device comprising a radio frequency module and an antenna assembly, the radio frequency module being connected to the antenna assembly, the antenna assembly being an antenna assembly according to any one of claims 1 to 9.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110925008.9A CN113629377A (en) | 2018-07-23 | 2018-07-23 | Antenna assembly and electronic equipment |
| CN201810812861.8A CN108736134B (en) | 2018-07-23 | 2018-07-23 | Antenna assembly and electronic equipment |
| PCT/CN2019/087391 WO2020019835A1 (en) | 2018-07-23 | 2019-05-17 | Antenna assembly and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810812861.8A CN108736134B (en) | 2018-07-23 | 2018-07-23 | Antenna assembly and electronic equipment |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110925008.9A Division CN113629377A (en) | 2018-07-23 | 2018-07-23 | Antenna assembly and electronic equipment |
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| Publication Number | Publication Date |
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| CN108736134A CN108736134A (en) | 2018-11-02 |
| CN108736134B true CN108736134B (en) | 2021-08-24 |
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| CN202110925008.9A Pending CN113629377A (en) | 2018-07-23 | 2018-07-23 | Antenna assembly and electronic equipment |
| CN201810812861.8A Active CN108736134B (en) | 2018-07-23 | 2018-07-23 | Antenna assembly and electronic equipment |
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| CN202110925008.9A Pending CN113629377A (en) | 2018-07-23 | 2018-07-23 | Antenna assembly and electronic equipment |
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| WO (1) | WO2020019835A1 (en) |
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| CN113629377A (en) * | 2018-07-23 | 2021-11-09 | Oppo广东移动通信有限公司 | Antenna assembly and electronic equipment |
| CN109755761A (en) * | 2018-12-28 | 2019-05-14 | 瑞声精密制造科技(常州)有限公司 | A kind of antenna modules and electronic equipment |
| CN112072291A (en) * | 2020-09-08 | 2020-12-11 | 北京字节跳动网络技术有限公司 | Antenna structure and terminal |
| CN113013616A (en) * | 2021-02-24 | 2021-06-22 | Oppo广东移动通信有限公司 | Antenna assembly and electronic equipment |
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| CN107196043B (en) * | 2017-06-19 | 2020-11-06 | 上海传英信息技术有限公司 | Antenna system of mobile terminal and mobile terminal with antenna system |
| CN108200740B (en) * | 2017-12-29 | 2020-07-17 | Oppo广东移动通信有限公司 | Electronic device |
| CN108258395B (en) * | 2018-01-16 | 2020-06-16 | Oppo广东移动通信有限公司 | Antenna module, middle frame module and electronic equipment |
| CN108039571B (en) * | 2018-01-16 | 2020-05-12 | Oppo广东移动通信有限公司 | Middle frame assembly, antenna assembly and electronic equipment |
| CN108258425B (en) * | 2018-01-16 | 2020-06-16 | Oppo广东移动通信有限公司 | Antenna module, middle frame module and electronic equipment |
| CN108270071B (en) * | 2018-01-19 | 2020-09-22 | Oppo广东移动通信有限公司 | Antenna module, middle frame module and electronic equipment |
| CN113629377A (en) * | 2018-07-23 | 2021-11-09 | Oppo广东移动通信有限公司 | Antenna assembly and electronic equipment |
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2018
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- 2018-07-23 CN CN201810812861.8A patent/CN108736134B/en active Active
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| Publication number | Publication date |
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| CN108736134A (en) | 2018-11-02 |
| CN113629377A (en) | 2021-11-09 |
| WO2020019835A1 (en) | 2020-01-30 |
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