WO2022116258A1 - 一种天线结构及电子设备 - Google Patents

一种天线结构及电子设备 Download PDF

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Publication number
WO2022116258A1
WO2022116258A1 PCT/CN2020/136013 CN2020136013W WO2022116258A1 WO 2022116258 A1 WO2022116258 A1 WO 2022116258A1 CN 2020136013 W CN2020136013 W CN 2020136013W WO 2022116258 A1 WO2022116258 A1 WO 2022116258A1
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WO
WIPO (PCT)
Prior art keywords
metal
antenna
metal extension
main board
setting area
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2020/136013
Other languages
English (en)
French (fr)
Inventor
陆正坤
安鑫荣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JRD Communication Shenzhen Ltd
Original Assignee
JRD Communication Shenzhen Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JRD Communication Shenzhen Ltd filed Critical JRD Communication Shenzhen Ltd
Priority to US18/255,505 priority Critical patent/US12614834B2/en
Publication of WO2022116258A1 publication Critical patent/WO2022116258A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • H01Q1/243—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 with built-in antennas
    • H—ELECTRICITY
    • H01—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
    • 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
    • H—ELECTRICITY
    • H01—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
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H01Q7/005—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with variable reactance for tuning the antenna

Definitions

  • Embodiments of the present invention relate to the technical field of electronic devices, and in particular, to an antenna structure and an electronic device.
  • Embodiments of the present invention provide an antenna structure and an electronic device, so as to solve the problem that how to set up multiple antennas while merging multiple antennas to work normally is currently an urgent problem to be solved.
  • Embodiments of the present invention provide an antenna structure and an electronic device. By arranging the antenna structure provided by the embodiments of the present invention, space for arranging low-frequency antennas in the electronic device can be saved, and more installation areas can be provided for other antennas.
  • an embodiment of the present invention provides an antenna structure, the antenna structure includes: a middle frame body, the middle frame body includes a main board and an embedded metal, and the embedded metal includes a metal body part and a metal extension part , the metal main body part and the metal extension part are an integrated structure, the main board includes a first main board and a second main board, the first main board is electrically connected with the metal extension part, and the first main board is used for When the radio frequency signal is introduced into the metal extension part, the second main board is electrically connected with the metal extension part, and the second main board is used for grounding the metal extension part.
  • the metal extension portion is located on a long side of the middle frame body.
  • the metal extension portion is electrically connected to the first main board through a first metal elastic piece, and the metal extension portion is electrically connected to the second main board through a second metal elastic piece.
  • the first main board includes a radio frequency circuit
  • the metal extension portion is electrically connected to a signal transceiver end of the radio frequency circuit through the first metal elastic sheet.
  • the second main board is provided with an antenna tuner, and the antenna tuner is used to adjust the resonance of the metal extension.
  • the main body of the middle frame further includes a metal frame, the metal frame surrounds the sub-sections of the main body of the middle frame, there is an interval between the metal extension and the metal frame, and the value of the interval is The range is 4 ⁇ 5 mm.
  • the length of the metal extension portion ranges from 47.5 mm to 48.5 mm.
  • the distance between the side of the metal extension part close to the embedded metal and the embedded metal ranges from 3.2 to 3.4 mm.
  • the metal extension part includes a first metal extension part and a second metal extension part, and the first metal extension part and the second metal extension part are symmetrically distributed on the middle frame body respectively. Two long sides.
  • the number of the metal extension parts may be multiple, and the metal extension parts are located on any side of the middle frame body.
  • the metal extension part is an antenna body, and the antenna is a loop antenna.
  • the main body includes a metal frame, a break point is formed between the metal extension portion and the metal frame, and the distance between the break points is 4.5 mm.
  • the length value of the metal extension is 48 mm.
  • the metal extension portion is close to the embedded metal side and the embedded metal spacing between the numerical range of 3. 3mm.
  • the resonant wavelength of the antenna is 0.25 ⁇ , and the antenna can be adjusted by the antenna tuner to achieve full coverage of the low frequency band (600-960 MHz).
  • the metal extension is formed by injection molding of a mold.
  • the main body is provided with an antenna setting area
  • the number of the antenna setting area may be multiple
  • the antenna setting area includes a first antenna setting area, a second antenna setting area, and a third antenna setting area
  • the fourth antenna setting area and the fifth antenna setting area are respectively symmetrically arranged on the top of the main body and the bottom of the main body
  • the antenna setting area can be set with medium and high frequency antennas
  • the third antenna setting area and the fourth antenna setting area are respectively symmetrically arranged on both sides of the first main board
  • the fifth antenna setting area is provided with a metal main body part.
  • the metal extension part, the first main board and the second main board are electrically connected to form an antenna structure
  • the fifth antenna setting area is provided with a low frequency antenna.
  • an embodiment of the present invention further provides an electronic device, the electronic device includes: a middle frame body, the middle frame body includes a main board and an embedded metal, the embedded metal includes a metal body part and a metal extension part , the metal main body part and the metal extension part are an integrated structure, the main board includes a first main board and a second main board, the first main board is electrically connected with the metal extension part, and the first main board is used for When the radio frequency signal is introduced into the metal extension part, the second main board is electrically connected with the metal extension part, the second main board is used for grounding the metal extension part, and the metal extension part is located in the middle A long side of the frame body.
  • the metal extension portion is electrically connected to the first motherboard through a first metal elastic sheet, the metal extension portion is electrically connected to the second motherboard through a second metal elastic sheet, and the first metal elastic sheet is electrically connected to the second motherboard.
  • a mainboard includes a radio frequency circuit, and the metal extension is electrically connected to the signal transceiver end of the radio frequency circuit through the first metal dome; the second mainboard is provided with an antenna tuner, and the antenna tuner is used to adjust the the resonance of the metal extension.
  • the main body of the middle frame further includes a metal frame, the metal frame surrounds the sub-sections of the main body of the middle frame, there is an interval between the metal extension and the metal frame, and the value of the interval is The range is 4 ⁇ 5 mm; the numerical range of the length of the metal extension portion is 47.5 ⁇ 48.5 mm; the numerical range of the distance between the side of the metal extension portion close to the embedded metal and the embedded metal is 3.2 ⁇ 3.4 mm.
  • the beneficial effects of the present application are as follows: by providing an antenna structure and an electronic device, by combining the common embedded metals in 5G mobile phones, and using the metal-embedded metal extension as an antenna, an unconventional low-frequency main antenna (Primary Antenna) is proposed.
  • Antenna) design the antenna structure provided by the embodiment of the present invention can achieve broadband coverage in the low frequency (600MHz ⁇ 960MHz) communication frequency band, the antenna efficiency is -5dB ⁇ -8dB, and the space occupied is small, which is effective for other antennas.
  • FIG. 1 is an exploded schematic diagram of an electronic device provided by an embodiment of the present invention.
  • FIG. 2 is a first structural schematic diagram of an antenna structure provided by an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of a second structure of an antenna structure provided by an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a first partial structure of an antenna structure provided by an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a second partial structure of an antenna structure provided by an embodiment of the present invention.
  • FIG. 6 is a third schematic structural diagram of an antenna structure provided by an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of an isolation simulation result of a conventional antenna structure provided by an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of an isolation simulation result of an antenna structure according to an embodiment of the present invention.
  • first and second are only used for description purposes, and cannot be interpreted as indicating or implying relative importance or the number of indicated technical features. Thus, features defined as “first”, “second” may expressly or implicitly include one or more of said features. In the description of the present invention, “ “ means two or more, unless otherwise expressly and specifically defined.
  • the terms “installed”, “connected” and “connected” should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; it can be mechanical connection, electrical connection or can communicate with each other; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction of two elements relation.
  • installed should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; it can be mechanical connection, electrical connection or can communicate with each other; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction of two elements relation.
  • Embodiments of the present invention provide an antenna structure and an electronic device, and the antenna structure can be used with electronic devices, such as a smart phone, a tablet computer, a notebook computer, or a personal computer.
  • electronic devices such as a smart phone, a tablet computer, a notebook computer, or a personal computer.
  • the antenna structure will be described in detail below. It should be noted that the description order of the following embodiments is not intended to limit the preferred order of the embodiments.
  • the long side refers to a relatively long side of an electronic device (eg, a mobile phone).
  • FIG. 1 to FIG. 8 Please refer to FIG. 1 to FIG. 8 .
  • FIG. 1 shows an exploded schematic diagram of an electronic device 10 according to an embodiment of the present invention.
  • Electronic devices including a display screen 2 such as cell phones, tablet PCs, notebook PCs, and PDAs can also be used as examples.
  • an electronic device 10 may include a cover plate 1 , a display screen 2 , a middle frame body 3 and a rear case 4 . Further, the electronic device 10 may also include a radio frequency (Radio Frequency, RF) circuit, a memory including one or more computer-readable storage media, an input unit, a display unit, a sensor, an audio circuit, a wireless fidelity (Wireless Fidelity) Fidelity, Wi-Fi) module, including a processor with one or more than one processing core, a control circuit, a battery, a front camera, a rear camera, and a fingerprint unlocking module antenna structure and other components.
  • RF Radio Frequency
  • a memory including one or more computer-readable storage media
  • an input unit a display unit
  • a sensor an audio circuit
  • a wireless fidelity (Wireless Fidelity) Fidelity, Wi-Fi) module including a processor with one or more than one processing core, a control circuit, a battery, a front camera, a rear camera
  • the cover plate 1 is mounted on the display screen 2, and is arranged in front of the display screen 2 to cover the display screen 2.
  • the cover plate 1 can be a transparent glass cover plate, so that the display screen can be displayed by the transparent cover plate 6 of the display screen.
  • the cover plate 11 may be a glass cover plate made of a material such as sapphire.
  • front refers to the direction in which the side displaying information in the display screen 2 faces, and "rear” refers to the direction opposite to "front”.
  • the display screen 2 is used for screen display of the electronic file, and the display screen 2 can display information such as images, videos or texts.
  • the display screen 2 may include a front surface on which information is displayed, and a rear surface on the opposite side of the front surface.
  • the display screen 2 is installed in the main body 3 of the middle frame.
  • the display screen 2 is electrically connected to the control circuit provided on the main body of the middle frame to form the display surface of the electronic device 10 .
  • the display screen 2 has a regular shape, such as a rectangular parallelepiped structure, and the top or/and bottom of the electronic device 10 forms a non-display area, that is, the electronic device 10 forms a non-display area on the upper or/and lower part of the display screen 2.
  • the electronic device 10 may Install the front camera, rear camera and other devices in the non-display area.
  • the control circuit is installed in the middle frame main body 3, and the control circuit can be the main board of the electronic device 10.
  • the control circuit can be integrated with a motor, a microphone, a speaker, a headphone interface, a universal serial bus interface, a front camera, a rear One, two or more of functional components such as a camera, a distance sensor, an ambient light sensor, a receiver, and a processor.
  • control circuit can be fixed in the middle frame body 3 .
  • control circuit can be screwed onto the middle frame main body 3 through screws, or can be snapped onto the middle frame main body 3 by means of snaps.
  • specific way in which the control circuit is fixed to the middle frame main body 3 in the embodiment of the present invention is not limited to this, and other ways, such as a way of joint fixing by a buckle and a screw, is also possible.
  • the middle frame body 3 may include a plastic part and a metal part, and the middle frame body 3 may be a shell structure in which metal and plastic cooperate with each other.
  • the metal part may be formed first, for example, magnesium is formed by injection molding
  • plastic is re-injected on the magnesium alloy substrate to form a plastic substrate, which constitutes a complete casing structure. It should be noted that the material and process of the middle frame body 3 are not limited to this.
  • the rear shell 4 may be a metal shell, such as magnesium alloy, stainless steel and other metals. It should be noted that the material of the rear shell 4 in the embodiment of the present invention is not limited to this, and other methods may also be used, for example, the rear shell 4 may be a plastic shell. Another example: the rear shell 4 is a ceramic shell. Glass housings can also be used.
  • the rear shell 4 can be disposed behind the middle frame main body 3 , and the rear shell 4 is used for accommodating the middle frame main body 7 . In this embodiment, “rear” refers to the direction facing away from the side of the middle frame body away from the power supply, and “rear” refers to the opposite direction to "front”.
  • the battery can be logically connected to the processor through a power management system, so that functions such as managing charging, discharging, and power consumption are implemented through the power management system.
  • the battery may also include one or more DC or AC power sources, recharging systems, power failure detection circuits, power converters or inverters, power status indicators, and any other components.
  • the above shows a schematic structural diagram of an electronic device involved in an embodiment of the present invention, and the above is a specific description from the perspective of electronic device composition, wherein the electronic device may be a smart phone, a tablet computer, a notebook computer or a personal computer.
  • the antenna structure provided by the embodiment of the present invention is described.
  • An antenna structure provided by an embodiment of the present invention includes: a middle frame body 3, and the middle frame body 3 includes a main board 31 and an embedded metal 32.
  • the embedded metal 32 includes a metal body portion 322 and a metal extension portion 321.
  • the metal body portion 322 and the metal extension portion 321 are integrated structures.
  • the main board 31 includes a first main board 311 and a second main board. 312, the first main board 311 is electrically connected to the metal extension part 321, the first main board 311 is used for introducing radio frequency signals into the metal extension part 321, the second main board 312 and the metal extension part 321 is electrically connected, and the second main board 312 is used for grounding the metal extension portion 321 .
  • the metal extension portion 321 is located on a long side of the middle frame main body 3, and the metal extension portion 321 is electrically connected to the first main board 311 through a first metal elastic sheet,
  • the metal extension portion 321 is electrically connected to the second main board 312 through a second metal elastic piece, the first metal elastic piece is arranged at the first metal elastic piece setting position 5, and the second metal elastic piece is arranged at the second metal elastic piece Setting position 6,
  • the first main board 311 includes a radio frequency circuit
  • the metal extension portion 321 is electrically connected to the signal transceiver end of the radio frequency circuit through the first metal elastic sheet
  • the second main board 312 is provided with an antenna tuning
  • the antenna tuner is used to adjust the resonance of the metal extension part 321
  • the middle frame body 3 further includes a metal frame 33
  • the metal frame 33 is distributed around the middle frame body 3 .
  • the value of the interval A ranges from 4 mm to 5 mm, and the length B of the metal extension portion 321 The numerical range is 47.5-48.5 mm, and the value of the distance C between the side of the metal extension part 321 close to the embedded metal 32 and the embedded metal 32 is 3.2-3.4 mm.
  • the metal extension portion 321 is an antenna body, and the antenna is a loop antenna.
  • the long side is not provided with any buttons.
  • the main body includes a metal frame 33 , an interval A is formed between the metal extension portion 321 and the metal frame 33 , the value of the interval A is 4.5 mm, and the length of the metal extension portion 321 3mm ⁇ B value is 48 mm, the metal extension portion 321 is close to the side of the embedded metal 32 and the distance between the embedded metal 32 C value range is 3. 3mm.
  • the resonant wavelength of the antenna is 0.25 ⁇ , and the antenna can be adjusted by the antenna tuner to achieve full coverage of the low-frequency frequency band (600-960 MHz).
  • the metal extension portion 321 is formed by injection molding.
  • the second main board is a tuner small board
  • the tuner small board is connected to the metal extension through the second metal elastic sheet
  • the other end of the tuner small board has a conductive structure with the embedded metal
  • the Tuner small plate is connected with the embedded metal, that is, the Tuner small plate is equal to one ground.
  • the antenna tuner has various working states, for example: 1) The antenna tuner keeps the Tuner board in an open state, that is, the Tuner board is not grounded. At this time, the state of the metal extension, that is, the antenna, is that the feed is directly connected to the end of the frame.
  • the antenna tuner makes the Tuner board in a conducting state, and then, through the matching circuit reserved for the circuit around the antenna tuner, try various matching (conventionally use capacitors, inductors and 0ohm resistors) To debug different matching), that is, the antenna state at this time is mainly to input the signal from the feeder, transmit it to the second metal shrapnel through the metal extension, and then pass through the second metal shrapnel to the antenna tuner.
  • the matching circuit to ground forms a loop to generate resonance, which is debugged by matching on the matching circuit (that is, conventionally using capacitors, inductors and 0ohm resistors), and finally, resonance can be generated at 700 ⁇ 800MHz, or 800 ⁇ 900MHz Resonance occurs at MHz or 900 ⁇ 960MHz. Adjust the resonance through the Tuner (antenna tuner, commonly known as the antenna switch) on the Tuner board to achieve full coverage of the low frequency band (600 ⁇ 960MHz).
  • the metal main body portion 322 and the metal extension portion 321 are an integrated structure.
  • the entire embedded metal 32 is equivalent to the entire metal extension portion.
  • the connection between the end of the metal extension part 321 and the metal main body part 322 is the grounding.
  • the upper end of the metal extension part 321 is connected to the signal input point through the first metal dome to form a feed, and the end of the metal extension part 321 is connected to the metal main body part 322.
  • the ground is formed, thus forming the antenna structure form: loop loop antenna.
  • the embedded metal 32 is wrapped by the plastic material injected in the mold, the surface of the metal extension portion 321 is completely covered by the plastic material through the in-mold injection process, and the metal is exposed only at the place where it is connected with the metal dome. That is, there is bare metal at the place where the metal extension part 321 meets the first metal dome, and there is bare metal at the place where the metal extension 321 meets the second metal dome; further, only in the Laser engraving and spot-welding gold sheet processes are also added to the place where the metal shrapnel is connected, so as to enhance the continuity between the metal shrapnel and the metal extension portion 321 .
  • the main body is provided with an antenna setting area
  • the number of the antenna setting area may be multiple
  • the antenna setting area includes a first antenna setting area a, a second antenna setting area
  • the antenna setting area b, the third antenna setting area c, the fourth antenna setting area d and the fifth antenna setting area e, the first antenna setting area a and the second antenna setting area b are symmetrically arranged on the top and
  • the first antenna setting area a and the second antenna setting area b can be set with medium and high frequency antennas
  • the third antenna setting area c and the fourth antenna setting area d are respectively symmetrically arranged on the first motherboard.
  • the fifth antenna setting area e is provided with an antenna structure formed by the electrical connection of the metal main body portion 322, the metal extension portion 321, the first main board 311 and the second main board 312. , and the fifth antenna setting area e is set with a low-frequency antenna.
  • the metal extension part includes a first metal extension part and a second metal extension part, and the first metal extension part and the second metal extension part are symmetrically distributed on the middle frame body 3 respectively. Two long sides.
  • the number of the metal extension parts may be multiple, and the metal extension parts are located on any side of the embedded metal.
  • the antenna simulation software CST is used to simulate the isolation degree of the traditional low-frequency antenna design scheme and the antenna structure provided by the embodiment of the present invention.
  • the isolation degree simulation result of the traditional low-frequency antenna design scheme is shown in FIG. 7
  • the isolation simulation result of the antenna structure provided by the embodiment of the present invention is shown in Fig.
  • the low-frequency main antenna of the embodiment of the present invention is located on the side of the middle frame body (ie, the battery), which is compared with the traditional low-frequency antenna design scheme.
  • the isolation between the two can be guaranteed to be basically the same.
  • the antenna structure provided by the embodiment of the present invention can effectively reserve more space for the electronic device to set the antenna.
  • the embodiments of the present invention provide an antenna structure and an electronic device.
  • the antenna structure provided by the embodiments of the present invention combines the common embedded metal of 5G mobile phones, and uses the metal-embedded metal extension as an antenna, and proposes an antenna.
  • Non-traditional low-frequency primary antenna (Primary Antenna) design
  • the antenna structure provided by the embodiment of the present invention can achieve broadband coverage in the low-frequency (600MHz ⁇ 960MHz) communication frequency band, the antenna efficiency is -5dB ⁇ -8dB, and the space occupied Small, effectively fight for better antenna space for other antennas, while ensuring free space (FREE SPACE) performance, at the same time, it can also greatly reduce the attenuation of the antenna performance on the head-to-hand test model, which meets the antenna performance requirements of communication operators.
  • FREE SPACE free space

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Abstract

本发明公开了一种天线结构及电子，包括：中框主体，所述中框主体包括主板和内嵌金属，所述内嵌金属包括金属主体部和金属延伸部，第一主板与所述金属延伸部电性连接，第一主板用于将射频信号引入所述金属延伸部，第二主板与所述金属延伸部电性连接，所述第二主板用于将所述金属延伸部接地。

Description

一种天线结构及电子设备
本发明要求于2020年12月2日提交中国专利局、申请号为202011386269.X、发明名称为“一种天线结构及电子设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明实施例涉及电子设备技术领域，尤其涉及一种天线结构及电子设备。
 背景技术
随着通信技术的不断发展，智能手机、平板电脑及笔记本电脑等电子设备的大量普及应用，电子设备向着多样化、个性化的方向发展，日益成为人们在生活与工作中不可或缺的电子设备，如今，手机、平板电脑等电子设备成了人们日常随身携带的电子设备。
目前随着5G技术的普及以及载波聚合（Carrier aggregation，CA)技术在电子设备的广泛应用，导致电子设备天线数量越来越多，且支持通信模式和频段越来越广泛，请参阅图1，在传统的天线设计中，通常会在电子设备顶部区域和电子设备底部区域设置天线设计区域，在对现有技术的研究和实践过程中，本发明实施例的发明人发现，随着天线的增多，各大手机厂商面临的问题就是留给天线的空间和净空越来越小，如何在兼并多种天线正常工作的同时设置多个天线成为当前急需解决的问题，在电子设备制成项目的前期，如何有效的布局多种天线是决定5G电子设备性能的关键。
 技术问题
本发明实施例提供一种天线结构及电子设备，以解决如何在兼并多种天线正常工作的同时设置多个天线成为当前急需解决的问题。
 技术解决方案
本发明实施例提供一种天线结构及电子设备，通过设置本发明实施例提供的天线结构，可以在节约电子设备中设置低频天线的空间，为其他天线提供更多设置区域。
第一方面，本发明实施例提供了一种天线结构，所述天线结构包括：中框主体，所述中框主体包括主板和内嵌金属，所述内嵌金属包括金属主体部和金属延伸部，所述金属主体部和所述金属延伸部为一体化结构，所述主板包括第一主板和第二主板，所述第一主板与所述金属延伸部电性连接，所述第一主板用于将射频信号引入所述金属延伸部，所述第二主板与所述金属延伸部电性连接，所述第二主板用于将所述金属延伸部接地。
在所述天线结构中，所述金属延伸部位于所述中框主体一长侧边。
在所述天线结构中，所述金属延伸部通过第一金属弹片与所述第一主板电性连接，所述金属延伸部通过第二金属弹片与所述第二主板电性连接。
在所述天线结构中，所述第一主板包括射频电路，所述金属延伸部通过所述第一金属弹片与所述射频电路的信号收发端电性连接。
在所述天线结构中，所述第二主板设置有天线调谐器，所述天线调谐器用于调整所述金属延伸部的谐振。
在所述天线结构中，所述中框主体还包括金属边框，所述金属边框围绕所述中框主体分部，所述金属延伸部与所述金属边框之间存在间隔，所述间隔的数值范围为4~5 mm。
在所述天线结构中，所述金属延伸部的长度数值范围为47.5~48.5 mm。
在所述天线结构中，所述金属延伸部靠近所述内嵌金属一侧与所述内嵌金属之间的间距数值范围为3.2~3.4mm。
在所述天线结构中，所述金属延伸部包括第一金属延伸部和第二金属延伸部，所述第一金属延伸部和所述第二金属延伸部分别对称分布在所述中框主体的两长侧边。
在所述天线结构中，所述金属延伸部数量可以为多个，所述金属延伸部位于所述中框主体任意一侧边。
在所述天线结构中，所述金属延伸部为天线本体，所述天线为环形天线。
在所述天线结构中，所述主体包括金属边框，所述金属延伸部与所述金属边框之间形成断点，所述断点的间距数值为4.5 mm。
在所述天线结构中，所述金属延伸部的长度数值为48 mm。
在所述天线结构中，所述金属延伸部靠近所述内嵌金属一侧与所述内嵌金属之间的间距数值范围为3. 3mm。
在所述天线结构中，所述天线的谐振波长为0.25λ，所述天线通过所述天线调谐器调节可以实现低频频段（600~960MHz）全覆盖。
在所述天线结构中，所述金属延伸部通过模具注塑形成。
在所述天线结构中，所述主体设置有天线设置区域，所述天线设置区域数量可以为多个，所述天线设置区域包括第一天线设置区域、第二天线设置区域、第三天线设置区域、第四天线设置区域和第五天线设置区域，所述第一天线设置区域和第二天线设置区域分别对称设置在所述主体顶部和所述主体底部，所述第一天线设置区域和第二天线设置区域可以设置中高频天线，所述第三天线设置区域和第四天线设置区域分别对称设置在所述第一主板的两侧，所述第五天线设置区域设置有由所述金属主体部、所述金属延伸部、所述第一主板和所述第二主板电性连接组成的天线结构，所述第五天线设置区域设置低频天线。
第二方面，本发明实施例还提供一种电子设备，所述电子设备包括：中框主体，所述中框主体包括主板和内嵌金属，所述内嵌金属包括金属主体部和金属延伸部，所述金属主体部和所述金属延伸部为一体化结构，所述主板包括第一主板和第二主板，所述第一主板与所述金属延伸部电性连接，所述第一主板用于将射频信号引入所述金属延伸部，所述第二主板与所述金属延伸部电性连接，所述第二主板用于将所述金属延伸部接地，所述金属延伸部位于所述中框主体一长侧边。
在所述电子设备中，所述金属延伸部通过第一金属弹片与所述第一主板电性连接，所述金属延伸部通过第二金属弹片与所述第二主板电性连接，所述第一主板包括射频电路，所述金属延伸部通过所述第一金属弹片与所述射频电路的信号收发端电性连接；所述第二主板设置有天线调谐器，所述天线调谐器用于调整所述金属延伸部的谐振。
在所述电子设备中，所述中框主体还包括金属边框，所述金属边框围绕所述中框主体分部，所述金属延伸部与所述金属边框之间存在间隔，所述间隔的数值范围为4~5 mm；所述金属延伸部的长度数值范围为47.5~48.5 mm；所述金属延伸部靠近所述内嵌金属一侧与所述内嵌金属之间的间距数值范围为3.2~3.4mm。
 有益效果
本申请的有益效果为：通过提供一种天线结构及电子设备，通过结合5G手机常见内嵌金属，将内嵌金属的金属延伸部作为天线，提出一种非传统的低频主天线（Primary Antenna）的设计，本发明实施例提供的天线结构在低频（600MHz~960MHz）的通讯频段上可实现宽频覆盖，天线效率在-5dB~-8dB，并且占用的空间小，有效的给其余天线争取更好的天线空间，在保证自由空间（FREE SPACE）性能的同时，还能大大降低天线性能在人头手测试模型上的衰减，符合通信运营商的天线性能要求。
 附图说明
图1为本发明实施例提供的电子设备的分解示意图。
图2为本发明实施例提供的天线结构的第一种结构示意图。
图3为本发明实施例提供的天线结构的第二种结构示意图。
图4为本发明实施例提供的天线结构的第一种局部结构示意图。
图5为本发明实施例提供的天线结构的第二种局部结构示意图。
图6为本发明实施例提供的天线结构的第三种结构示意图。
图7为本发明实施例提供的传统天线结构的隔离度仿真结果示意图。
图8为本发明实施例提供的天线结构的隔离度仿真结果示意图。
 本发明的实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述。显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
在本发明的描述中，需要理解的是，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多所述特征。在本发明的描述中，“”的含义是两个或两个以上，除非另有明确具体的限定。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接或可以相互通讯；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
下文的公开提供了许多不同的实施方式或例子用来实现本发明的不同结构。为了简化本发明的公开，下文中对特定例子的部件和设置进行描述。当然，它们仅仅为示例，并且目的不在于限制本发明。此外，本发明可以在不同例子中重复参考数字和/或参考字母，这种重复是为了简化和清楚的目的，其本身不指示所讨论各种实施方式和/或设置之间的关系。此外，本发明提供了的各种特定的工艺和材料的例子，但是本领域普通技术人员可以意识到其他工艺的应用和/或其他材料的使用。在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见其他实施例的相关描述。
本发明实施例提供一种天线结构及电子设备，该天线结构可以配合电子设备使用，如智能手机、平板电脑、笔记本电脑或个人计算机等。以下对该天线结构进行详细说明。需说明的是，以下实施例的描述顺序不作为对实施例优选顺序的限定。
需要说明的是，在本发明实施例中，所述长侧边是指电子设备（例如手机）相对较长的一侧。
下面结合附图和具体实施方式对本发明予以详细描述，请参阅图1至图8。
请参阅图1，图1示出根据本发明实施例提供的电子设备10的分解示意图。诸如手机、平板PC、笔记本PC和PDA的包括显示屏2的电子设备也可以用作实施例。
请参阅图1，根据示例性实施方式的电子设备10可包括盖板1、显示屏2、中框主体3以及后壳4。进一步地，该电子设备10还可以包括射频（Radio Frequency，RF）电路、包括有一个或一个以上计算机可读存储介质的存储器、输入单元、显示单元、传感器、音频电路、无线保真（Wireless Fidelity，Wi-Fi)模块、包括有一个或者一个以上处理核心的处理器、控制电路、电池、前置摄像头、后置摄像头以及指纹解锁模块天线结构等部件。需要说明的是，图1所示的电子设备10并不限于以上内容。其中，所述电源可以设置与于显示屏2与中框主体3之间。显示屏2可经由柔性印刷电路电连接到中框主体上设置的印刷电路板。
其中，盖板1安装到显示屏2上,设置在显示屏2的前面，以覆盖显示屏2。盖板1可以为透明玻璃盖板，以便显示屏透光盖板6进行显示。在一些实施例中，盖板11可以是用诸如蓝宝石等材料制成的玻璃盖板。在本实施例中，“前”是指显示屏2中显示信息的一侧所面向的方向，“后”是指与“前”相反的方向。
显示屏2用于对电子文件进行画面显示，显示屏2可显示图像、视频或文本等信息。显示屏2可包括显示信息的前表面，以及位于前表面的相对侧的后表面。
其中，该显示屏2安装在中框主体3中。该显示屏2电连接至中框主体上设置的控制电路上，以形成电子设备10的显示面。显示屏2为规则的形状，比如长方体结构，电子设备10的顶端或/和底端形成非显示区域，即电子设备10在显示屏2的上部或/和下部形成非显示区域，电子设备10可以在非显示区域安装前置摄像头、后置摄像头等器件。
其中，该控制电路安装在中框主体3中，该控制电路可以为电子设备10的主板，控制电路上可以集成有马达、麦克风、扬声器、耳机接口、通用串行总线接口、前置摄像头、后置摄像头、距离传感器、环境光传感器、受话器以及处理器等功能组件中的一个、两个或多个。
在一些实施例中，该控制电路可以固定在中框主体3内。具体的，该控制电路可以通过螺钉螺接到中框主体3上，也可以采用卡扣的方式卡配到中框主体3上。需要说明的是，本发明实施例控制电路具体固定到中框主体3上的方式并不限于此，还可以其它方式，比如通过卡扣和螺钉共同固定的方式。
在一些实施例中，中框主体3可以包括塑胶部分和金属部分，中框主体3可以为金属和塑胶相互配合的壳体结构，具体的，可以先成型金属部分，比如采用注塑的方式形成镁合金基板，在镁合金基板上再注塑塑胶，形成塑胶基板，则构成完整的壳体结构。需要说明的是，该中框主体3的材料及工艺并不限于此，
在一些实施例中，后壳4可以为金属壳体，比如镁合金、不锈钢等金属。需要说明的是，本发明实施例后壳4的材料并不限于此，还可以采用其它方式，比如：后壳4可以为塑胶壳体。还比如：后壳4为陶瓷壳体。还可以采用玻璃壳体。后壳4可设置在中框主体3的后面，后壳4用于容置中框主体7。在本实施例中，“后”是指中框主体中远离设置电源的一侧所面向的方向，“后”是指与“前”相反的方向。
在一些实施例中，电池可以通过电源管理系统与处理器逻辑相连，从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。电池还可以包括一个或一个以上的直流或交流电源、再充电系统、电源故障检测电路、电源转换器或者逆变器、电源状态指示器等任意组件。
以上示出了本发明实施例所涉及的电子设备的结构示意图，上面从电子设备组成的角度进行了具体描述，其中，所述电子设备可以为智能手机、平板电脑、笔记本电脑或个人计算机，下面对本发明实施例提供的天线结构进行描述。
请一并参阅图2、图3、图4和图5，本发明实施例提供的一种天线结构，该天线结构包括：中框主体3，所述中框主体3包括主板31和内嵌金属32，所述内嵌金属32包括金属主体部322和金属延伸部321，所述金属主体部322和所述金属延伸部321为一体化结构，所述主板31包括第一主板311和第二主板312，所述第一主板311与所述金属延伸部321电性连接，所述第一主板311用于将射频信号引入所述金属延伸部321，所述第二主板312与所述金属延伸部321电性连接，所述第二主板312用于将所述金属延伸部321接地。
具体的，在本发明实施例中，所述金属延伸部321位于所述中框主体3一长侧边，所述金属延伸部321通过第一金属弹片与所述第一主板311电性连接，所述金属延伸部321通过第二金属弹片与所述第二主板312电性连接，所述第一金属弹片设置在第一金属弹片设置位置5，所述第二金属弹片设置在第二金属弹片设置位置6，所述第一主板311包括射频电路，所述金属延伸部321通过所述第一金属弹片与所述射频电路的信号收发端电性连接，所述第二主板312设置有天线调谐器，所述天线调谐器用于调整所述金属延伸部321的谐振，所述中框主体3还包括金属边框33，所述金属边框33围绕所述中框主体3分布。
具体的，在本发明实施例中，所述金属延伸部321与所述金属边框33之间存在间隔A，所述间隔A的数值范围为4~5 mm，所述金属延伸部321的长度B数值范围为47.5~48.5 mm，所述金属延伸部321靠近所述内嵌金属32一侧与所述内嵌金属32之间的间距C数值范围为3.2~3.4mm。
在一些实施例中，所述金属延伸部321为天线本体，所述天线为环形天线。
在一些实施例中，所述长侧边未设置任何按键。
在一些实施例中，所述主体包括金属边框33，所述金属延伸部321与所述金属边框33之间形成间隔A，所述间隔A的数值为4.5 mm，所述金属延伸部321的长度B数值为48 mm，所述金属延伸部321靠近所述内嵌金属32一侧与所述内嵌金属32之间的间距C数值范围为3. 3mm。
具体的，在本发明实施例中，所述天线的谐振波长为0.25λ，所述天线通过所述天线调谐器调节可以实现低频频段（600~960MHz）全覆盖。
具体的，在本发明实施例中，所述金属延伸部321通过模具注塑形成。
需要说明的是，所述第二主板为调谐器（Tuner）小板，Tuner小板通过所述第二金属弹片与金属延伸部相连，在Tuner小板的另一端与内嵌金属具有导通结构设计的，Tuner小板与内嵌金属相通即Tuner小板等于一个地。天线调谐器具有多种工作状态，例如：1）天线调谐器使Tuner小板处于开路状态，即Tuner小板不接地了，此时的金属延伸部即天线的状态就是馈电直接连到边框末端接地，产生600~700MHz的谐振；2）天线调谐器使Tuner小板处于导通状态，然后，通过天线调谐器周围电路预留的匹配电路，尝试各种匹配（常规使用电容，电感和0ohm电阻去调试不同匹配），即此时天线状态主要就是从馈电处输入信号，通过金属延伸部传输到所述第二金属弹片，之后，通过所述第二金属弹片到天线调谐器，最后，经过匹配电路到地形成一个回路产生谐振，该谐振通过匹配电路上的匹配（即常规使用电容，电感和0ohm电阻）来调试，最后，可以在700~800MHz处产生谐振，也可以在800~900 MHz或者900~960MHz处产生谐振。通过Tuner小板上的Tuner (天线调谐器，俗称天线开关) 调整谐振，从而以达到低频频段（600~960MHz）全覆盖。
具体的，在本发明实施例中，所述金属主体部322和所述金属延伸部321为一体化结构，在本发明实施例中，整个内嵌金属32相当于是整个地，所述金属延伸部321末端与金属主体部322导通就是接地，所述金属延伸部321上端通过所述第一金属弹片接入信号输入点形成馈电，所述金属延伸部321末端与所述金属主体部322连接形成接地，从而形成了天线结构形式：loop环形天线。
需要说明的是，所述内嵌金属32被模内注塑的塑料材质包裹，所述金属延伸部321表面通过模内注塑工艺被塑料材质全覆盖，只有在与金属弹片相接的地方有金属裸露的，即所述金属延伸部321与所述第一金属弹片相接的地方有金属裸露，所述金属延伸部321与所述第二金属弹片相接的地方有金属裸露；进一步的，只有在与金属弹片相接的地方还会增加镭雕和点焊金片工艺，增强金属弹片与所述金属延伸部321的导通性。
请参阅图6，具体的，在本发明实施例中，所述主体设置有天线设置区域，所述天线设置区域数量可以为多个，所述天线设置区域包括第一天线设置区域a、第二天线设置区域b、第三天线设置区域c、第四天线设置区域d和第五天线设置区域e，所述第一天线设置区域a和第二天线设置区域b分别对称设置在所述主体顶部和所述主体底部，所述第一天线设置区域a和第二天线设置区域b可以设置中高频天线，所述第三天线设置区域c和第四天线设置区域d分别对称设置在所述第一主板311的两侧，所述第五天线设置区域e设置有由所述金属主体部322、所述金属延伸部321、所述第一主板311和所述第二主板312电性连接组成的天线结构，所述第五天线设置区域e设置低频天线。
在一些实施例中，所述金属延伸部包括第一金属延伸部和第二金属延伸部，所述第一金属延伸部和所述第二金属延伸部分别对称分布在所述中框主体3的两长侧边。
在一些实施例中，所述金属延伸部数量可以为多个，所述金属延伸部位于所述内嵌金属任意一侧边。
请一并参阅图7和图8，在手机天线行业中传统的低频天线有两个：主天线和分集天线（diversity antenna）。通常来说，传统的低频天线设计方案会将主天线和分集天线一个放置在手机顶部，一个放置底部，一般而言，两个天线之间的距离越大，隔离度相对而言会越好，在此基础是，采用了天线仿真软件CST将传统的低频天线设计方案与本发明实施例提供的天线结构的隔离度分别进行了仿真，传统的低频天线设计方案的隔离度仿真结果为图7，本发明实施例提供的天线结构的隔离度仿真结果为图8，能够得出：本发明实施例的低频主天线位于中框中体（即电池）侧边，与传统的低频天线设计方案相比较而言，能够保证两者之间隔离度基本一致，在保证隔离度不变的情况下，采用本发明实施例提供的天线结构，能够有效的为电子设备设置天线预留了更多的空间。
综上所述，本发明实施例提供了一种天线结构及电子设备，本发明实施例提供的天线结构通过结合5G手机常见内嵌金属，将内嵌金属的金属延伸部作为天线，提出一种非传统的低频主天线（Primary Antenna）的设计，本发明实施例提供的天线结构在低频（600MHz~960MHz）的通讯频段上可实现宽频覆盖，天线效率在-5dB~-8dB，并且占用的空间小，有效的给其余天线争取更好的天线空间，在保证自由空间（FREE SPACE）性能的同时，还能大大降低天线性能在人头手测试模型上的衰减，符合通信运营商的天线性能要求。
在上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见其他实施例的相关描述。上述所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得所有其他实施例，如本发明实施例提到的能够通过将内嵌金属的金属延伸部作为天线主体（低频天线），都属于本发明保护的范围。
以上对本发明实施例所提供的一种天线结构及电子设备进行了详细介绍，本发明实施例中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及其核心思想；同时，对于本领域的技术人员，依据本发明的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本发明的限制。

Claims (20)

  1. 一种天线结构，其中，包括：中框主体，所述中框主体包括主板和内嵌金属，所述内嵌金属包括金属主体部和金属延伸部，所述金属主体部和所述金属延伸部为一体化结构，所述主板包括第一主板和第二主板，所述第一主板与所述金属延伸部电性连接，所述第一主板用于将射频信号引入所述金属延伸部，所述第二主板与所述金属延伸部电性连接，所述第二主板用于将所述金属延伸部接地。
  2. 根据权利要求1所述的天线结构，其中，所述金属延伸部位于所述中框主体一长侧边。
  3. 根据权利要求2所述的天线结构，其中，所述金属延伸部通过第一金属弹片与所述第一主板电性连接，所述金属延伸部通过第二金属弹片与所述第二主板电性连接。
  4. 根据权利要求3所述的天线结构，其中，所述第一主板包括射频电路，所述金属延伸部通过所述第一金属弹片与所述射频电路的信号收发端电性连接。
  5. 根据权利要求4所述的天线结构，其中，所述第二主板设置有天线调谐器，所述天线调谐器用于调整所述金属延伸部的谐振。
  6. 根据权利要求1所述的天线结构，其中，所述中框主体还包括金属边框，所述金属边框围绕所述中框主体分部，所述金属延伸部与所述金属边框之间存在间隔，所述间隔的数值范围为4~5 mm。
  7. 根据权利要求1所述的天线结构，其中，所述金属延伸部的长度数值范围为47.5~48.5 mm。
  8. 根据权利要求1所述的天线结构，其中，所述金属延伸部靠近所述内嵌金属一侧与所述内嵌金属之间的间距数值范围为3.2~3.4mm。
  9. 根据权利要求1所述的天线结构，其中，所述金属延伸部包括第一金属延伸部和第二金属延伸部，所述第一金属延伸部和所述第二金属延伸部分别对称分布在所述中框主体的两长侧边。
  10. 根据权利要求1所述的天线结构，其中，所述金属延伸部数量可以为多个，所述金属延伸部位于所述内嵌金属任意一侧边。
  11. 根据权利要求1所述的天线结构，其中，所述金属延伸部为天线本体，所述天线为环形天线。
  12. 根据权利要求5所述的天线结构，其中，所述主体包括金属边框，所述金属延伸部与所述金属边框之间形成间隔，所述间隔数值为4.5 mm。
  13. 根据权利要求12所述的天线结构，其中，所述金属延伸部的长度数值为48 mm。
  14. 根据权利要求13所述的天线结构，其中，所述金属延伸部靠近所述内嵌金属一侧与所述内嵌金属之间的间距数值范围为3. 3mm。
  15. 根据权利要求14所述的天线结构，其中，所述天线的谐振波长为0.25λ，所述天线通过所述天线调谐器调节可以实现低频频段范围600MHz至960MHz之间全覆盖。
  16. 根据权利要求1所述的天线结构，其中，所述金属延伸部通过模具注塑形成。
  17. 根据权利要求1所述的天线结构，其中，所述主体设置有天线设置区域，所述天线设置区域数量可以为多个，所述天线设置区域包括第一天线设置区域、第二天线设置区域、第三天线设置区域、第四天线设置区域和第五天线设置区域，所述第一天线设置区域和所述第二天线设置区域分别对称设置在所述主体顶部和所述主体底部，所述第一天线设置区域和所述第二天线设置区域可以设置中高频天线，所述第三天线设置区域和所述第四天线设置区域分别对称设置在所述第一主板的两侧，所述第五天线设置区域设置有由所述金属主体部、所述金属延伸部、所述第一主板和所述第二主板电性连接组成的天线结构，所述第五天线设置区域设置低频天线。
  18. 一种电子设备，其中，包括：中框主体，所述中框主体包括主板和内嵌金属，所述内嵌金属包括金属主体部和金属延伸部，所述金属主体部和所述金属延伸部为一体化结构，所述主板包括第一主板和第二主板，所述第一主板与所述金属延伸部电性连接，所述第一主板用于将射频信号引入所述金属延伸部，所述第二主板与所述金属延伸部电性连接，所述第二主板用于将所述金属延伸部接地，所述金属延伸部位于所述中框主体一长侧边。
  19. 根据权利要求18所述的天线结构，其中，所述金属延伸部通过通过第一金属弹片与所述第一主板电性连接，所述金属延伸部通过第二金属弹片与所述第二主板电性连接，所述第一主板包括射频电路，所述金属延伸部通过所述第一金属弹片与所述射频电路的信号收发端电性连接；所述第二主板设置有天线调谐器，所述天线调谐器用于调整所述金属延伸部的谐振。
  20. 根据权利要求19所述的天线结构，其中，根据权利要求1所述的天线结构，其中，所述中框主体还包括金属边框，所述金属边框围绕所述中框主体分部，所述金属延伸部与所述金属边框之间存在间隔，所述间隔的数值范围为4~5 mm；所述金属延伸部的长度数值范围为47.5~48.5 mm；所述金属延伸部靠近所述内嵌金属一侧与所述内嵌金属之间的间距数值范围为3.2~3.4mm。
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