WO2023280069A1 - 电子设备 - Google Patents

电子设备 Download PDF

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Publication number
WO2023280069A1
WO2023280069A1 PCT/CN2022/103319 CN2022103319W WO2023280069A1 WO 2023280069 A1 WO2023280069 A1 WO 2023280069A1 CN 2022103319 W CN2022103319 W CN 2022103319W WO 2023280069 A1 WO2023280069 A1 WO 2023280069A1
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WO
WIPO (PCT)
Prior art keywords
antenna
layer
electronic device
transceiver
signal
Prior art date
Application number
PCT/CN2022/103319
Other languages
English (en)
French (fr)
Inventor
王义金
王君翊
Original Assignee
维沃移动通信有限公司
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 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Publication of WO2023280069A1 publication Critical patent/WO2023280069A1/zh

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    • H—ELECTRICITY
    • H01—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
    • 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
    • H01Q1/48—Earthing means; Earth screens; Counterpoises
    • 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
    • H01Q21/0006—Particular feeding systems

Definitions

  • the present application belongs to the technical field of terminals, and specifically relates to an electronic device.
  • the purpose of the embodiments of the present application is to provide an electronic device to solve the problems that the antenna in the device occupies a large space and the performance of the antenna is easily affected by the environment, resulting in performance degradation.
  • An embodiment of the present application provides an electronic device, including:
  • the first antenna includes a plurality of antenna units, and the first antenna is used to send and receive a first signal
  • the first antenna is connected to the transceiver
  • the second antenna is connected to the transceiver, the second antenna can be used to send and receive a second signal and the first signal, and the first signal is different from the second signal;
  • a switch the first end of the switch is connected to the transceiver, the second end of the switch is connected to at least one antenna unit in the first antenna, and the third end of the switch Connected to the second antenna, the switch can connect the transceiver to at least one antenna unit in the first antenna or connect the transceiver to the second antenna.
  • a first main board, the first main board is arranged on the frame body, and the first antenna is arranged on the first main board.
  • the distance between two adjacent first antennas is half of the wavelength of the first signal.
  • the first main board includes a first layer body, a second layer body and a third layer body, and the first layer body, the second layer body and the third layer body are arranged along the first main board.
  • the thickness direction is arranged at intervals, an insulating layer is arranged between two adjacent layers, the first layer includes the first antenna and the first ground layer, the first ground layer is arranged around the antenna unit, the insulation between the first ground layer and the antenna unit;
  • the second layer body includes a second layer
  • the third layer body includes a third layer
  • the first layer, the second layer, and the third layer are electrically connected through via holes on the insulating layer .
  • a first feed structure, the first feed structure is electrically connected to the third formation, and the first feed structure and the third formation form a third antenna.
  • At least one of the first formation, the second formation and the third formation is provided with slots.
  • the second antenna includes a radiator and a second feeding structure, the radiator is electrically connected to the second feeding structure, and the radiator is arranged on the frame.
  • the radiator constitutes at least a part of the frame.
  • a third feeding structure the radiator is provided with a slot, the third feeding structure extends from one side of the slot across the slot to the other side of the slot, and the slot is connected to the slot.
  • the third feed structure forms a slot antenna.
  • duplexer one end of the duplexer is electrically connected to the second antenna, and the other end of the duplexer is electrically connected to the transceiver.
  • the electronic device in the embodiment of the present application includes: a frame body; a first antenna, the first antenna includes a plurality of antenna units, and the first antenna is used to send and receive first signals; a transceiver, the first antenna and the The transceiver is connected; the second antenna, the second antenna is connected to the transceiver, the second antenna can be used to send and receive the second signal and the first signal, the first signal and the second signal Different; a switch, the first end of the switch is connected to the transceiver, the second end of the switch is connected to at least one antenna unit in the first antenna, the second end of the switch The three terminals are connected to the second antenna, and the switch can connect the transceiver to at least one antenna unit in the first antenna or connect the transceiver to the second antenna.
  • the first antenna can transmit and receive the first signal
  • the second antenna can transmit and receive the second signal and the first signal
  • the first signal is different from the second signal.
  • positioning can be performed through the first antenna, and positioning can also be performed through the second antenna, and the transceiver can be connected to at least one of the antenna elements in the first antenna or connected through a switch.
  • the transceiver and the second antenna when the antenna unit in the first antenna is affected by the external environment, the transceiver and the second antenna can be turned on through a switch, and replaced by the second antenna
  • An antenna unit subject to the external environment even if the antenna unit in the first antenna is affected by the environment, the second antenna also has the function of the first antenna, and the strength of the first signal sent and received by the antenna unit in the first antenna is less than or equal to the predetermined
  • the second antenna can be used as the first antenna, which increases the ability of the antenna to adapt to different environments, does not occupy additional space for the antenna, achieves the space and structure of the multiplexed antenna, and improves the space and structure utilization of electronic equipment.
  • 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 an exploded schematic diagram of an electronic device according to an embodiment of the present application.
  • FIG. 4 is a schematic diagram of a connection between the first antenna and the second antenna
  • FIG. 5 is a schematic diagram of a bandwidth of the second antenna
  • FIG. 6 is a schematic diagram of the layout of the first antenna on the first main board
  • Fig. 7 is a schematic diagram of the layout of ferrules on the first main board
  • Figure 8a is a schematic diagram of the arrangement of layers
  • Fig. 8b is another schematic diagram of layer arrangement
  • Fig. 9 is a schematic diagram of the second main board
  • FIG. 10 is a schematic diagram of the cooperation between the slot antenna and the radiator.
  • Fig. 11 is a schematic diagram of the contact point on the third formation
  • Fig. 12 is a schematic diagram of the shrapnel on the second main board
  • Fig. 13 is a structural schematic diagram of the third formation
  • Fig. 14 is a schematic diagram of the connection between the third formation and the first feed structure
  • Fig. 15 is a schematic diagram of the first power feeding structure on the second main board.
  • the electronic device of the embodiment of the present application includes a frame body 10, a first antenna 20, a transceiver 30 and a second antenna 40, wherein the number of the first antenna 20 can be one or more , each first antenna 20 can include a plurality of antenna units 21, the first antenna 20 can be used to send and receive the first signal, there can be three antenna units 21, and the three antenna units 21 can be arranged at intervals, the first antenna unit 21 can be used to send and receive the first signal, the second antenna unit 21 can be used to receive the first signal, and the third antenna unit 21 can be used to send the first signal.
  • the first antenna 20 is connected to the transceiver 30, the second antenna 40 is connected to the transceiver 30, at least part of the second antenna 40 can be arranged on the frame body 10, and the radiator of the second antenna 40 can be arranged on the frame body 10 or The radiator of the second antenna 40 can be used as at least part of the frame body 10.
  • the second antenna 40 can be used to send and receive the second signal and the first signal.
  • the first signal is different from the second signal.
  • the strength of the signal is less than or equal to the preset strength
  • the second antenna 40 can be used as the first antenna, so that the second antenna 40 can send and receive the first signal, so as to avoid affecting the first antenna due to the influence of the environment on the first antenna 20. 20 Transceive the first signal.
  • the first signal can be a high-frequency signal
  • the second signal can be a low-frequency signal.
  • the first signal can be a signal greater than 6GHz
  • the second signal can be a signal less than 6GHz (FR1 frequency band).
  • the bandwidth of the second antenna 40 can be As shown in Figure 5.
  • the first antenna 20 can be an ultra-wideband communication (Ultra Wide Band, UWB) antenna, and the transceiver 30 can send and receive UWB signals.
  • UWB ultra-wideband communication
  • the free space wavelength corresponding to the operating frequency point of the UWB antenna is close to 38mm (8GHz), and the positioning can be performed by the first antenna 20. .
  • the electronic device may further include: a switch 50, the first end of the switch 50 may be connected to the transceiver 30, and the second end of the switch 50 may be connected to the first antenna 20. At least one antenna unit 21 of the first antenna 20 is connected, the third end of the switch 50 can be connected to the second antenna 40, and the switch 50 can connect the transceiver 30 to at least one antenna unit 21 in the first antenna 20 or to connect the transceiver 30 With the second antenna 40, the transceiver 30 can be connected with at least one antenna unit 21 in the first antenna 20 or the transceiver 30 can be connected with the second antenna 40 as required by the switch 50, for example, when connected with the switch 50 When the antenna unit 21 is affected, the transceiver 30 and the second antenna 40 can be turned on through the switch 50, and the functions of the antenna unit 21 can be satisfied through the second antenna 40, and the impact caused by the performance degradation of the first antenna can be avoided. , improve the environmental adaptability of the antenna.
  • the first signal is sent and received through the first antenna 20, and the second signal and the first signal are sent and received by the second antenna 40.
  • the first signal is different from the second signal. 20 to perform positioning, and the second antenna 40 can also be used for positioning.
  • the transceiver 30 and at least one antenna unit 21 in the first antenna 20 or the transceiver 30 and the second antenna 40 can be connected, when the antenna unit 21 in the first antenna 20 is affected by the external environment , the transceiver 30 and the second antenna 40 can be connected by the switch 50, and the antenna unit 21 subjected to the external environment can be replaced by the second antenna 40, even if the antenna unit 21 in the first antenna 20 is affected by the environment, the second antenna 40 also has the function of the first antenna 20, when the strength of the first signal sent and received by the antenna unit 21 in the first antenna 20 is less than or equal to the preset strength, the second antenna 40 can be used as the antenna unit 21, increasing the antenna The ability to adapt to different environments does not take up additional space for the antenna, and achieves the space and structure of the multiplexed antenna, improving the space and structure utilization of electronic equipment.
  • the electronic device may further include: a first main board 60, the first main board 60 may be set on the frame body 10, the first antenna 20 may be set on the first main board 60, and the first main board 60 may be set on the first main board 60.
  • a main board 60 can be a flexible circuit board, which facilitates the cooperation of the first main board 60 .
  • the first antenna 20 may include a plurality of antenna units 21, such as three, wherein some of the antenna units 21 may be distributed at intervals along the length direction of the first area on the first main board 60, and some of the antenna units 21 can be distributed at intervals along the length direction of the second area on the first main board 60, the length direction of the first area is perpendicular to the length direction of the second area, and the first area and the second area partially overlap, and some antenna units 21 are arranged on The overlapping area of the first area and the second area.
  • the angle of arrival between the external device and the electronic device on the plane can be tested by combining the antenna paths where the multiple antenna units 21 are located, and then the relative positions of the external device and the electronic device in space can be known.
  • the number of antennas mentioned above is related to the actual use scenarios and requirements. If you need to measure the distance between external nodes and electronic equipment, you can set one antenna unit 21. If you need to have a positioning function in a certain plane, you can set 2 Antenna unit 21.
  • the number of antenna units 21 can be three, wherein the first antenna unit 21 can be distributed along the length direction of the first area on the first main board 60, and the second antenna unit 21 can be Distributed at intervals along the length direction of the second area on the first main board 60, the length direction of the first area is perpendicular to the length direction of the second area, and the first area and the second area partially overlap, the third antenna unit 21 can be set In the overlapping area of the first area and the second area.
  • the radio frequency path where the third antenna unit 21 is located can have a transceiver function, and the first antenna unit 21 and the second antenna unit 21 can have a transceiver function or a receiving function, and the third antenna unit 21 and the first antenna unit 21
  • the antenna path combination where it is located can test the angle of arrival of the external device and the electronic device on one of the planes, and the antenna path combination where the third antenna unit 21 and the second antenna unit 21 are located can test the angle of arrival of the external device and the electronic device on another plane. Angle of arrival, when the three-element antenna is used in combination, the relative positions of the external device and the electronic device in space can be known from the above two planes.
  • the second antenna 40 fulfills the function of the first antenna 20 .
  • the distance between two adjacent antenna units 21 is half of the wavelength of the first signal.
  • the third antenna unit 21 and the first antenna unit 21 may be arranged linearly, the third antenna unit 21 and the second antenna unit 21 may be arranged linearly, and the two linear directions may form a right angle.
  • the spacing between the third antenna unit 21 and the first antenna unit 21 can be half of the wavelength of the first signal (such as a UWB radio frequency signal), and the spacing between the third antenna unit 21 and the second antenna unit 21 It may be half of the wavelength of the first signal, so as to ensure the performance of the antenna.
  • the first main board 60 may include a first layer 61, a second layer 62 and a third layer 63, the first layer 61, the second layer 62 and the third layer 63 can be copper-plated layers, the first layer 61, the second layer 62 and the third layer 63 can be arranged at intervals along the thickness direction of the first main board 60, and between two adjacent layers
  • An insulating layer 66 may be provided, the first layer body 61 may include the first antenna 20 and the first ground layer, the first ground layer 64 may be arranged around the antenna unit 21, and the first ground layer 64 and the antenna unit 21 may be insulated to avoid surrounding structures Effect on the first antenna 20.
  • the second layer body 62 can include the second formation
  • the second layer body 62 can include the transmission line 68 of the UWB radio frequency signal
  • the third layer body 63 can include the third formation layer 65
  • the ground layer and the third ground layer 65 can be electrically connected through the via hole 69 on the insulating layer 66
  • the first ground layer 64, the second ground layer and the third ground layer 65 can be electrically connected by setting a conductive connector in the via hole.
  • the first ground layer 64 , the second ground layer and the third ground layer 65 can be ensured to have better common ground conduction through a plurality of connectors.
  • the transmission line on the radio frequency signal transmission path of the above-mentioned antenna can be replaced by a coaxial line to reduce path loss and improve antenna performance.
  • the electronic device may further include: a first feed structure 71, the first feed structure 71 is electrically connected to the third ground layer 65, and the first feed structure 71
  • the third antenna and the third ground layer 65 constitute a third antenna, and the signals transmitted and received by the third antenna may be the same as or different from the first antenna 20 and the second antenna 40, which may be selected according to requirements.
  • the radio frequency signal can be fed in through the first feeding structure 71, and then the radio frequency signal is radiated through the third formation 65, the third formation 65 has the effect of a radiator, and at the same time, the first formation 64 and the second formation can also radiate, The overall performance of the antenna can be enhanced, and the radiation frequency band can be increased.
  • a contact point 48 can be set on the third formation 65, and a shrapnel 49 can be set on the second main board 70, and the shrapnel 49 can be connected with the contact point 48, and the shrapnel 49 can be connected with the contact point 48.
  • the radio frequency signal of the FR1 frequency band is connected, so that an antenna of another FR1 frequency band can be formed on the first main board 60 , that is, a third antenna can be formed.
  • the shape of the formation above can be adjusted according to the requirements of different working frequency bands, and the shape is not limited.
  • At least one of the first formation 64, the second formation and the third formation 65 is provided with a slot 67.
  • a slot 67 For example, as shown in FIG. Setting the slot 67 on the top can increase the radiation frequency band and improve the radiation performance of the antenna.
  • the specific shapes of the first formation 64 , the second formation and the third formation 65 can be selected according to actual needs, and the shapes of the first formation 64 , the second formation and the third formation 65 can be the same.
  • the electronic device may further include: a second main board 70, which may be a printed circuit board, and the second main board 70 is connected to the frame body 10, as shown in FIG. 15 , the first feed structure 71 may be disposed on the second main board 70 , and the transceiver 30 may be disposed on the second main board 70 .
  • the first main board 60 can be a flexible circuit board, and the first main board 60 can be bent or folded along one or more axes, for example, to adapt to the feeding signals of the three antenna elements 21 on the first main board 60 and the second main board 70.
  • the first main board 60 needs to be bent, as shown in FIG. Board to Board (Board To Board, BTB) to connect.
  • shields and connectors 46 of a plurality of internal circuits or ICs can be provided, the connectors 46 can be connected with the ferrule 45, and the transceiver 30 can be provided with On the second main board 70 , the connector 46 on the second main board 70 can be connected to the transceiver 30 .
  • the connector 46 on the second main board 70 is mated with the ferrule 45 on the first main board 60, it can ensure the conduction between the transceiver 30 and the antenna, that is, the transceiver 30 can send and receive signals, such as UWB signals, through the three antenna units 21.
  • the electronic device may further include: a bracket 80, the bracket 80 is connected to the frame body 10, the first main board 60 and the second main board 70 are arranged on the bracket 80, the first main board 60 It can be arranged on one side of the bracket 80 , and the second main board 70 can be arranged on the other side of the bracket 80 .
  • the first main board 60 can be directly arranged on the bracket 80 by laser direct structuring (LDS), printing direct structure (PDS), high energy beam induced deposition (Super Beam Induced Deposition, SBID) and other processes.
  • LDS laser direct structuring
  • PDS printing direct structure
  • SBID high energy beam induced deposition
  • the second antenna 40 may include a radiator 41 and a second feeding structure 42, the radiator 41 is electrically connected to the second feeding structure 42, and the radiator 41 is arranged on the frame body 10 , which is beneficial to the radiation of the radiator 41 and improves the radiation performance of the antenna.
  • the second feed structure 42 may be connected to the second main board 70.
  • the radiator 41 can be formed as at least part of the frame body 10, for example, the radiator 41 can be a part of the frame body 10, and the radiator 41 can be used as the frame body 10, It is beneficial to the radiation of the radiator 41 and improves the radiation performance of the antenna.
  • the frame body 10 may be composed of a plurality of radiators 41, two adjacent radiators 41 may be spaced apart, and the gap 410 between two adjacent radiators 41 may be filled with air, plastic and/or other dielectrics, so as to Used to form one or more antennas in a device.
  • the electronic device may further include: a third feed structure 44, a slit 43 may be provided on the radiator 41, the third feed structure 44 straddles the slit 43, and the slit 43
  • the slot antenna is formed with the third feeding structure 44, and the slot antenna can be formed by setting the slot 43, which enhances the radiation performance of the antenna, increases the radiation frequency band of the antenna, and occupies less space.
  • the radio frequency signal where the second antenna 40 is located can be fed into the slot 43 to form a slot antenna, the feeding ferrule can be connected to the transceiver 30 , and the third feeding structure 44 can be connected to the transceiver 30 .
  • the second feeding structure 42 of the second antenna 40 can be used to connect the radio frequency signal of the FR1 frequency band on the second main board 70 .
  • the electronic device may further include: a duplexer 81, which may include a low-pass filter and a high-pass filter, through which a low-frequency signal can be transmitted, and through a high-pass The filter can make high-frequency signal transmission, one end of the duplexer 81 is electrically connected to the second antenna 40, the other end of the duplexer 81 is electrically connected to the transceiver 30, and the other end of the duplexer 81 can be connected to the switch 50.
  • a duplexer 81 which may include a low-pass filter and a high-pass filter, through which a low-frequency signal can be transmitted, and through a high-pass The filter can make high-frequency signal transmission
  • one end of the duplexer 81 is electrically connected to the second antenna 40
  • the other end of the duplexer 81 is electrically connected to the transceiver 30, and the other end of the duplexer 81 can be connected to the switch 50.
  • the third terminal is connected, and the signals of different frequency bands can be filtered out through the duplexer 81, and the signals of different frequency bands can be selected to pass through, for example, the signals of the low frequency band can be input to other devices, and the transceiver can be turned on by switching the switch 50 30 and the second antenna 40, through the diplexer 81, the first signal of the high frequency band can be input into the first antenna 20.
  • the electronic device may further include: a housing 82 , and the housing 82 may be disposed on one side of the frame body 10 .
  • the electronic device may further include: a display module 83 , and the display module 83 may be disposed on a side of the frame body 10 away from the casing 82 .
  • the first main board 60 , the second main board 70 and the bracket 80 can be disposed between the casing 82 and the display module 83 .
  • An electronic device may be a portable electronic device or other suitable electronic device.
  • the display module 83 may include a touch screen incorporating capacitive touch electrodes or may be insensitive to touch.
  • the electronic device may include any appropriate number of antennas, such as one or more antennas.
  • the electronic device may have one or more antennas distributed around the display module 83, and the antennas may be used to implement an antenna diversity scheme or a multiple input multiple output (Multiple Input Multiple Output, MIMO) antenna scheme.
  • Antennas in electronic devices may be used to support desired communication frequency bands, for example, electronic devices may include antennas to support local area network communications, voice and data cellular telephone communications, Global Positioning System (GPS) communications, or other satellite navigation system communications , Communication, Near Field Communication (Near Field Communication, NFC), Ultra Wide Band Communication (Ultra Wide Band, UWB) and other antenna structures.
  • Antennas may also be formed using antenna ground planes and/or antenna resonating elements formed from conductive housing structures (eg, inner and/or outer structures, support plate structures, etc.).

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  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

本申请公开了一种电子设备，涉及终端领域，包括：框体；第一天线，第一天线包括多个天线单元，第一天线用于收发第一信号；第一天线与收发器连接；第二天线与收发器连接，第二天线可用于收发第二信号与第一信号，第一信号与第二信号不同；切换开关的第一端与收发器连接，切换开关的第二端与第一天线中的至少一个天线单元连接，切换开关的第三端与第二天线连接，切换开关可导通收发器与第一天线中的至少一个天线单元或者导通收发器与第二天线。

Description

电子设备
相关申请的交叉引用
本申请主张在2021年07月05日在中国提交的中国专利申请No.202110756844.9的优先权，其全部内容通过引用包含于此。
技术领域
本申请属于终端技术领域，具体涉及一种电子设备。
背景技术
在电子设备中，对不同的天线的需求越来越多，现在的天线需要较大的容置空间，对电子设备的空间占用较大。天线的性能容易受到环境的影响，如放置在桌面或者口袋中容易使得天线失去功能，导致天线的性能下降。
发明内容
本申请实施例的目的是提供一种电子设备，用以解决设备中的天线占用空间大，天线性能容易受到环境影响导致性能下降的问题。
本申请实施例提供了一种电子设备，包括：
框体；
第一天线，所述第一天线包括多个天线单元，所述第一天线用于收发第一信号；
收发器，所述第一天线与所述收发器连接；
第二天线，所述第二天线与所述收发器连接，所述第二天线可用于收发第二信号与所述第一信号，所述第一信号与所述第二信号不同；
切换开关，所述切换开关的第一端与所述收发器连接，所述切换开关的第二端与所述第一天线中的至少一个所述天线单元连接，所述切换开关的第三端与所述第二天线连接，所述切换开关可导通所述收发器与所述第一天线中的至少一个所述天线单元或者导通所述收发器与所述第二天线。
其中，还包括：
第一主板，所述第一主板设在所述框体上，所述第一天线设在所述第一主板上。
其中，相邻两个所述第一天线之间的间隔距离为所述第一信号的波长的一半。
其中，所述第一主板上包括第一层体、第二层体与第三层体，所述第一层体、所述第二层体与所述第三层体沿所述第一主板的厚度方向间隔设置，相邻两个层体之间设有绝缘层，所述第一层体包括所述第一天线与第一地层，所述第一地层围绕所述天线单元设置，所述第一地层与所述天线单元之间绝缘；
所述第二层体包括第二地层，所述第三层体包括第三地层，所述第一地层、所述第二地层与所述第三地层之间通过绝缘层上的过孔电连接。
其中，还包括：
第一馈电结构，所述第一馈电结构与所述第三地层电连接，所述第一馈电结构与所述第三地层构成第三天线。
其中，所述第一地层、所述第二地层与所述第三地层中的至少一个上设有槽缝。
其中，所述第二天线包括辐射体与第二馈电结构，所述辐射体与所述第二馈电结构电连接，所述辐射体设在所述框体上。
其中，所述辐射体构成为所述框体的至少部分。
其中，还包括：
第三馈电结构，所述辐射体上设有缝隙，所述第三馈电结构从所述缝隙的一侧跨过所述缝隙延伸至所述缝隙的另一侧，所述缝隙与所述第三馈电结构形成缝隙天线。
其中，还包括：双功器，所述双功器的一端与所述第二天线电连接，所述双功器的另一端与所述收发器电连接。
本申请实施例的电子设备，包括：框体；第一天线，所述第一天线包括多个天线单元，所述第一天线用于收发第一信号；收发器，所述第一天线与所述收发器连接；第二天线，所述第二天线与所述收发器连接，所述第二天线可用于收发第二信号与所述第一信号，所述第一信号与所述第二信号不同； 切换开关，所述切换开关的第一端与所述收发器连接，所述切换开关的第二端与所述第一天线中的至少一个所述天线单元连接，所述切换开关的第三端与所述第二天线连接，所述切换开关可导通所述收发器与所述第一天线中的至少一个所述天线单元或者导通所述收发器与所述第二天线。
在本申请的电子设备中，通过所述第一天线收发第一信号，所述第二天线可收发第二信号与所述第一信号，所述第一信号与所述第二信号不同，在使用过程中，可以通过第一天线来进行定位，同时通过第二天线也可以进行定位，通过切换开关可导通所述收发器与所述第一天线中的至少一个所述天线单元或者导通所述收发器与所述第二天线，在第一天线中的天线单元受到外部环境影响的情况下，可以通过切换开关导通所述收发器与所述第二天线，通过第二天线来替代受到外部环境的天线单元，即使第一天线中的天线单元受到环境的影响，第二天线也具有第一天线的功能，在第一天线中的天线单元收发的第一信号的强度小于或等于预设强度的情况下，第二天线可以作为第一天线使用，增加天线适应不同环境使用的能力，不用额外占用天线的空间，达到复用天线的空间和结构，提升电子设备空间和结构利用率。
附图说明
图1为本申请实施例的电子设备的一个结构示意图；
图2为本申请实施例的电子设备的另一个结构示意图；
图3为本申请实施例的电子设备的一个爆炸示意图；
图4为第一天线与第二天线的一个连接示意图；
图5为第二天线的一个带宽示意图；
图6为第一天线在第一主板上的一个布置示意图；
图7为插芯在第一主板上的一个布置示意图；
图8a为层体的一个布置示意图；
图8b为层体的另一个布置示意图；
图9为第二主板的一个示意图；
图10为缝隙天线与辐射体配合的一个示意图；
图11为接触点在第三地层上的一个示意图；
图12为弹片在第二主板上的一个示意图；
图13为第三地层的一个结构示意图；
图14为第三地层与第一馈电结构连接的一个示意图；
图15为第一馈电结构在第二主板上的一个示意图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通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，都属于本申请保护的范围。
本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象，而不用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施。此外，说明书以及权利要求中“和/或”表示所连接对象的至少其中之一，字符“/”，一般表示前后关联对象是一种“或”的关系。
下面结合附图1至图15所示，通过具体的实施例及其应用场景对本申请实施例提供的电子设备进行详细地说明。
如图1至图13所示，本申请实施例的电子设备，包括框体10、第一天线20、收发器30和第二天线40，其中，第一天线20的数量可以为一个或多个，每个第一天线20可以包括多个天线单元21，第一天线20可以用于收发第一信号，天线单元21可以具有三个，三个天线单元21可以间隔开设置，第一个天线单元21可以用来收发第一信号，第二个天线单元21可以用来接收第一信号，第三个天线单元21可以用来发出第一信号。第一天线20与收发器30连接，第二天线40与收发器30连接，第二天线40的至少部分可以设在框体10上，第二天线40的辐射体可以设在框体10上或者第二天线40的辐射体可以作为框体10的至少部分，第二天线40可以用于收发第二信号与第一信号，第一信号与第二信号不同，在第一天线20收发的第一信号的强度小于或等于预设强度的情况下，第二天线40可以作为第一天线使用，使得 第二天线40可以收发第一信号，避免由于第一天线20受到环境影响而影响到第一天线20收发的第一信号。第一信号可以为高频信号，第二信号可以为低频信号，比如，第一信号可以为大于6GHz的信号，第二信号可以为小于6GHz(FR1频段)的信号，第二天线40的带宽可以如图5所示。第一天线20可以为超宽带通信(Ultra Wide Band，UWB)天线，收发器30可以收发UWB信号，UWB天线工作频率点所对应的自由空间波长接近38mm(8GHz)，通过第一天线20可以定位。
在一些实施例中，如图4所示，电子设备还可以包括：切换开关50，切换开关50的第一端可以与收发器30连接，切换开关50的第二端可以与第一天线20中的至少一个天线单元21连接，切换开关50的第三端可以与第二天线40连接，切换开关50可导通收发器30与第一天线20中的至少一个天线单元21或者导通收发器30与第二天线40，通过切换开关50可以根据需要导通收发器30与第一天线20中的至少一个天线单元21或者导通收发器30与第二天线40，比如，当与切换开关50连接的天线单元21受到影响时，可以通过切换开关50导通收发器30与第二天线40，可以通过第二天线40来满足天线单元21所具有的功能，避免由于第一天线性能下降导致的影响，提高天线的环境适应能力。
在本申请的电子设备中，通过第一天线20收发第一信号，第二天线40收发第二信号与第一信号，第一信号与第二信号不同，在使用过程中，可以通过第一天线20来进行定位，同时通过第二天线40也可以进行定位。通过切换开关可导通收发器30与第一天线20中的至少一个天线单元21或者导通收发器30与第二天线40，在第一天线20中的天线单元21受到外部环境影响的情况下，可以通过切换开关50导通收发器30与第二天线40，通过第二天线40来替代受到外部环境的天线单元21，即使第一天线20中的天线单元21受到环境的影响，第二天线40也具有第一天线20的功能，在第一天线20中的天线单元21收发的第一信号的强度小于或等于预设强度的情况下，第二天线40可以作为天线单元21使用，增加天线适应不同环境使用的能力，不用额外占用天线的空间，达到复用天线的空间和结构，提升电子设备空间和结构利用率。在另一些实施例中，如图3所示，电子设备还可以包括：第一 主板60，第一主板60可以设在框体10上，第一天线20可以设在第一主板60上，第一主板60可以为柔性电路板，便于第一主板60的配合。
在本申请的实施例中，第一天线20可以包括多个天线单元21，比如三个，其中，部分天线单元21可以沿第一主板60上的第一区域的长度方向间隔分布，部分天线单元21可以沿第一主板60上的第二区域的长度方向间隔分布，第一区域的长度方向与第二区域的长度方向垂直，且第一区域与第二区域部分重叠，部分天线单元21设置在第一区域与第二区域的重叠区域。通过多个天线单元21所在的天线通路组合可以测试外界设备与电子设备在平面的到达角，进而得知外界设备与电子设备在空间上的相对位置。在应用过程中，上述天线的数量和实际使用的场景和需求有关，如果需要测量外部节点与电子设备的间距，可以设置一个天线单元21，如果需要在某一平面内有定位功能，可以设置2个天线单元21。
比如，如图6所示，天线单元21的数量可以为三个，其中，第一个天线单元21可以沿第一主板60上的第一区域的长度方向间隔分布，第二个天线单元21可以沿第一主板60上的第二区域的长度方向间隔分布，第一区域的长度方向与第二区域的长度方向垂直，且第一区域与第二区域部分重叠，第三个天线单元21可以设置在第一区域与第二区域的重叠区域。第三个天线单元21所在的射频通路上可以具备收发功能，第一个天线单元21和第二个天线单元21可以具备收发功能或接收功能，第三个天线单元21与第一个天线单元21所在的天线通路组合可以测试外界设备与电子设备在其中一个平面的到达角，第三个天线单元21与第二个天线单元21所在的天线通路组合可以测试外界设备与电子设备在另一个平面的到达角，这三元天线组合使用时，可从上述的两个平面上得知外界设备与电子设备在空间上的相对位置。在通过第一天线20测距的情况下，电子设备的三元天线组在被某些场景限制使用或者性能很低时，可以切换至第二天线40所在的通路满足测距的功能，通过第二天线40满足第一天线20的功能。
可选地，相邻两个天线单元21之间的间隔距离为第一信号的波长的一半。第三个天线单元21与第一个天线单元21可以呈线性排布，第三个天线单元21与第二个天线单元21可以呈线性排布，两条线性方向可以成直角。第三 个天线单元21与第一个天线单元21之间的间距可以为第一信号(比如UWB射频信号)的波长的一半，第三个天线单元21与第二个天线单元21之间的间距可以为第一信号的波长的一半，以便保证天线的性能。
在一些实施例中，如图8a和图8b所示，第一主板60上可以包括第一层体61、第二层体62与第三层体63，第一层体61、第二层体62与第三层体63可以为镀铜层，第一层体61、第二层体62与第三层体63可以沿第一主板60的厚度方向间隔设置，相邻两个层体之间可以设有绝缘层66，第一层体61可以包括第一天线20与第一地层，第一地层64可以围绕天线单元21设置，第一地层64与天线单元21之间可以绝缘，避免周围结构对第一天线20的影响。如图9所示，第二层体62可以包括第二地层，第二层体62可以包括UWB射频信号的传输线68，第三层体63可以包括第三地层65，第一地层64、第二地层与第三地层65之间可以通过绝缘层66上的过孔69电连接，可以通过在过孔中设置导电连接件来使得第一地层64、第二地层与第三地层65之间电连接，第一地层64、第二地层与第三地层65之间可以通过多个连接件保证较好共地导通。上述天线的射频信号传输路径上的传输线可以用同轴线代替走线，降低通路损耗，提升天线性能。
在本申请的实施例中，如图14和图15所示，电子设备还可以包括：第一馈电结构71，第一馈电结构71与第三地层65电连接，第一馈电结构71与第三地层65构成第三天线，第三天线收发的信号可以与第一天线20和第二天线40相同或不同，具体可以根据需要选择。通过第一馈电结构71可以馈入射频信号，进而使得射频信号通过第三地层65进行辐射，第三地层65具有辐射体的作用，同时，第一地层64、第二地层也可以进行辐射，可以增强天线的整体性能，可以增加辐射频段。在实际过程中，如图11和图12所示，在第三地层65上可以设置接触点48，在第二主板70可以上设置弹片49，弹片49可以与接触点48连接，弹片49可以与FR1频带的射频信号连接，这样在第一主板60上可以形成另一FR1频带的天线，也即是形成第三天线。上述地层的形状可以根据不同的工作频段需求做调整，形状可以不限。
可选地，第一地层64、第二地层与第三地层65中的至少一个上设有槽缝67，比如，如图13所示，在第三地层65上设有槽缝67，通过地层上设置 槽缝67可以增加辐射的频段，提高天线的辐射性能。第一地层64、第二地层与第三地层65的具体形状可以根据实际需要选择，第一地层64、第二地层与第三地层65的形状可以相同。
在本申请的实施例中，如图3所示，电子设备还可以包括：第二主板70，第二主板70可以为印刷电路板，第二主板70与框体10相连，如图15所示，第一馈电结构71可以设在第二主板70上，收发器30可以设置于第二主板70上。
电子设备用于执行超宽带通信的第一天线20中的三个天线单元21可被安装到公共基板第一主板60上。第一主板60可以为柔性电路板，第一主板60可沿一个或多个轴线弯曲或折叠，例如，以适应第一主板60上三个天线单元21的馈电信号需要与第二主板70上的收发器30连接，以适应第一主板60与第二主板70存在高度差，需要将第一主板60弯折，如图7所示，通过第二主板70和第一主板60的插芯45板对板(Board To Board，BTB)来连接。
如图9所示，在电子设备内部的第二主板70上，可以设置有多个内部电路的或IC的屏蔽件以及连接器46，连接器46可以与插芯45连接，收发器30可以设置在第二主板70上，第二主板70上连接器46与收发器30可以连接。第二主板70上连接器46与第一主板60上插芯45配合插入后能保证收发器30与天线导通，即是收发器30可以通过三个天线单元21收发信号，比如UWB信号。
在本申请的实施例中，如图3所示，电子设备还可以包括：支架80，支架80与框体10相连，第一主板60与第二主板70设在支架80上，第一主板60可以设在支架80的一侧，第二主板70可以设在支架80的另一侧。第一主板60可以用激光镭射(Laser Direct Structuring，LDS)、印刷成型(Printing Direct Structure，PDS)、高能量束诱导沉积(Super Beam Induced Deposition，SBID)等工艺直接设置在支架80上。
根据一些实施例，如图10所示，第二天线40可以包括辐射体41与第二馈电结构42，辐射体41与第二馈电结构42电连接，辐射体41设在框体10上，有利于辐射体41的辐射，提高天线的辐射性能。第二馈电结构42可以 与第二主板70连接。
如图1和图2所示，根据另一些实施例，辐射体41可以构成为框体10的至少部分，比如，辐射体41可以为框体10的一部分，辐射体41可以作为框体10，有利于辐射体41的辐射，提高天线的辐射性能。框体10可以由多个辐射体41构成，相邻两个辐射体41之间可以间隔开，相邻两个辐射体41之间的间隙410中可以填充空气、塑料和/或其他电介质，以用于形成设备中的一个或多个天线。
在一些实施例中，如图10所示，电子设备还可以包括：第三馈电结构44，辐射体41上可以设有缝隙43，第三馈电结构44横跨所述缝隙43，缝隙43与第三馈电结构44形成缝隙天线，通过设置缝隙43可以形成缝隙天线，增强天线的辐射性能，增加天线的辐射频段，空间占用小。可以将第二天线40所在的射频信号馈入到缝隙43上形成缝隙天线，馈电插芯可以与收发器30连接，第三馈电结构44可以与收发器30连接。第二天线40的第二馈电结构42可以用于连接第二主板70上的FR1频带的射频信号。
可选地，如图4所示，电子设备还可以包括：双功器81，双功器81中可以包括低通滤波器和高通滤波器，通过低通滤波器可以使得低频信号传输，通过高通滤波器可以使得高频信号传输，双功器81的一端与第二天线40电连接，双功器81的另一端与收发器30电连接，双功器81的另一端可以与切换开关50的第三端连接，通过双功器81可以滤除不同频段的信号，可以选择让不同频段的信号通过，比如，可以让低频段的信号输入至其他的器件，可以通过切换开关50导通收发器30与第二天线40，通过双功器81让高频段的第一信号可以输入第一天线20。
可选地，如图3所示，电子设备还可以包括：壳体82，壳体82可以设在框体10的一侧。
可选地，如图3所示，电子设备还可以包括：显示模组83，显示模组83可以设在框体10的远离壳体82的一侧。其中，第一主板60、第二主板70以及支架80可以设置于壳体82与显示模组83之间。电子设备可为便携式电子设备或其他合适的电子设备。显示模组83可以包括结合电容式触摸电极或者可对触摸不灵敏的触摸屏。
实际应用过程中，电子设备可包括任何适当数量的天线，例如一个或多个天线。在一些场景中，电子设备可具有一个或多个天线分布在显示模组83的周边，该天线可用于实现天线分集方案或多输入多输出(Multiple Input Multiple Output，MIMO)天线方案。电子设备中的天线可用于支持所需的通信频带，例如，电子设备可包括用于支持局域网通信、语音和数据蜂窝电话通信、全球定位系统(Global Positioning System，GPS)通信或其他卫星导航系统通信、通信、近场通信(Near Field Communication，NFC)、超宽带通信(Ultra Wide Band，UWB)等的天线结构。天线也可使用天线接地平面和/或由导电外壳结构(例如，内部和/或外部结构，支撑板结构等)形成的天线谐振元件形成。
上面结合附图对本申请的实施例进行了描述，但是本申请并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本申请的启示下，在不脱离本申请宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本申请的保护之内。

Claims (10)

  1. 一种电子设备，包括：
    框体；
    第一天线，所述第一天线包括多个天线单元，所述第一天线用于收发第一信号；
    收发器，所述第一天线与所述收发器连接；
    第二天线，所述第二天线与所述收发器连接，所述第二天线可用于收发第二信号与所述第一信号，所述第一信号与所述第二信号不同；
    切换开关，所述切换开关的第一端与所述收发器连接，所述切换开关的第二端与所述第一天线中的至少一个所述天线单元连接，所述切换开关的第三端与所述第二天线连接，所述切换开关可导通所述收发器与所述第一天线中的至少一个所述天线单元或者导通所述收发器与所述第二天线。
  2. 根据权利要求1所述的电子设备，其中，还包括：
    第一主板，所述第一主板设在所述框体上，所述第一天线设在所述第一主板上。
  3. 根据权利要求2所述的电子设备，其中，所述第一主板上包括第一层体、第二层体与第三层体，所述第一层体、所述第二层体与所述第三层体沿所述第一主板的厚度方向间隔设置，相邻两个层体之间设有绝缘层，所述第一层体包括所述第一天线与第一地层，所述第一地层围绕所述天线单元设置，所述第一地层与所述天线单元之间绝缘；
    所述第二层体包括第二地层，所述第三层体包括第三地层，所述第一地层、所述第二地层与所述第三地层之间通过绝缘层上的过孔电连接。
  4. 根据权利要求3所述的电子设备，其中，还包括：
    第一馈电结构，所述第一馈电结构与所述第三地层电连接，所述第一馈电结构与所述第三地层构成第三天线。
  5. 根据权利要求4所述的电子设备，其中，所述第一地层、所述第二地层与所述第三地层中的至少一个上设有槽缝。
  6. 根据权利要求1所述的电子设备，其中，所述第二天线包括辐射体与 第二馈电结构，所述辐射体与所述第二馈电结构电连接，所述辐射体设在所述框体上。
  7. 根据权利要求6所述的电子设备，其中，所述辐射体构成为所述框体的至少部分。
  8. 根据权利要求6所述的电子设备，其中，还包括：
    第三馈电结构，所述辐射体上设有缝隙，所述缝隙与所述第三馈电结构形成缝隙天线。
  9. 根据权利要求1所述的电子设备，其中，还包括：
    双功器，所述双功器的一端与所述第二天线电连接，所述双功器的另一端与所述收发器电连接。
  10. 根据权利要求1所述的电子设备，其中，相邻两个所述天线单元之间的间隔距离为所述第一信号的波长的一半。
PCT/CN2022/103319 2021-07-05 2022-07-01 电子设备 WO2023280069A1 (zh)

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