WO2023103604A1 - 电子设备 - Google Patents

电子设备 Download PDF

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Publication number
WO2023103604A1
WO2023103604A1 PCT/CN2022/126275 CN2022126275W WO2023103604A1 WO 2023103604 A1 WO2023103604 A1 WO 2023103604A1 CN 2022126275 W CN2022126275 W CN 2022126275W WO 2023103604 A1 WO2023103604 A1 WO 2023103604A1
Authority
WO
WIPO (PCT)
Prior art keywords
metal plate
electronic device
antenna unit
electrical connection
electrically connected
Prior art date
Application number
PCT/CN2022/126275
Other languages
English (en)
French (fr)
Inventor
王泽东
Original Assignee
Oppo广东移动通信有限公司
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 Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Publication of WO2023103604A1 publication Critical patent/WO2023103604A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • 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
    • 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
    • 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
    • H01Q1/48—Earthing means; Earth screens; Counterpoises

Definitions

  • the present application relates to the technical field of communications, and in particular to an electronic device.
  • the electronic device such as smart phones can be folded or slid, so that the electronic devices can have unfolded, folded, and slidable shapes.
  • the electronic device may include an antenna to implement a mobile communication service.
  • the present application provides an electronic device, which can ensure the radiation performance of the electronic device in a folded or sliding state.
  • the application provides an electronic device, comprising:
  • a first body including a first metal plate
  • an antenna unit arranged on the first body, and the antenna unit is used to transmit excitation signals
  • the second body includes a second metal plate, the second body can be folded or slid relative to the first body, so that at least part of the second metal plate overlaps with the first metal plate, and the first metal plate
  • the two metal plates form a resonant cavity with the first metal plate, and the excitation signal is used to excite the resonant cavity to form a first resonance;
  • An electrical connector when at least part of the second metal plate overlaps with the first metal plate, the electrical connectors are respectively electrically connected to the first metal plate and the second metal plate, so as to change the resonance The morphology of the cavity and causing the excitation signal to excite the resonant cavity to form a second resonance different from the first resonance.
  • FIG. 1 is a schematic diagram of a first structure of an electronic device provided by an embodiment of the present application.
  • FIG. 2 is a schematic structural diagram of the electronic device shown in FIG. 1 in another form.
  • FIG. 3 is a schematic diagram of a second structure of an electronic device provided by an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of the electronic device shown in FIG. 3 in another form.
  • FIG. 5 is a schematic diagram of a third structure of an electronic device provided by an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of the electronic device shown in FIG. 5 in another form.
  • FIG. 7 is a schematic diagram of a fourth structure of an electronic device provided by an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of the electronic device shown in FIG. 7 in another form.
  • FIG. 9 is a schematic diagram of an S-parameter curve when the antenna unit 300 shown in FIG. 1 transmits an excitation signal.
  • FIG. 10 is a schematic diagram of an efficiency curve when the antenna unit 300 shown in FIG. 1 transmits an excitation signal.
  • FIG. 11 is a current distribution diagram of the electric field formed in the resonant cavity shown in FIG. 2 .
  • FIG. 12 is an electric field distribution diagram of the electric field formed in the resonant cavity shown in FIG. 2 .
  • FIG. 13 is another electric field distribution diagram of the electric field formed in the resonant cavity shown in FIG. 2 .
  • FIG. 14 is a schematic diagram of an S-parameter curve when the antenna unit 300 shown in FIG. 2 transmits an excitation signal.
  • FIG. 15 is a schematic diagram of an efficiency curve when the antenna unit 300 shown in FIG. 2 transmits an excitation signal.
  • FIG. 16 is a schematic diagram of an S-parameter curve when the antenna unit 300 shown in FIG. 4 transmits an excitation signal.
  • FIG. 17 is a schematic diagram of an efficiency curve when the antenna unit 300 shown in FIG. 4 transmits an excitation signal.
  • FIG. 18 is a schematic diagram of a fifth structure of an electronic device provided by an embodiment of the present application.
  • FIG. 19 is a schematic structural diagram of the electronic device shown in FIG. 18 in another form.
  • FIG. 20 is a schematic diagram of a sixth structure of an electronic device provided by an embodiment of the present application.
  • the embodiment of the present application provides an electronic device 10 .
  • the electronic device 10 may be devices such as smart phones and tablet computers, and may also be game devices, augmented reality (Augmented Reality, AR) devices, automotive devices, data storage devices, audio playback devices, video playback devices, notebook computers, desktop computing devices, etc. equipment etc.
  • FIG. 1 and FIG. 2 FIG. 1 is a schematic structural diagram of the first electronic device 10 provided by the embodiment of the present application
  • FIG. 2 is a schematic structural diagram of the electronic device 10 shown in FIG. 1 in another form.
  • the electronic device 10 includes a first body 100 , a second body 200 , and an antenna unit 300 .
  • the first body 100 may include a first metal plate 110
  • the second body 200 may include a second metal plate 210 .
  • the first body 100 and the second body 200 can be folded or slid toward each other, so that at least part of the second body 200 and the first body 100 can be overlapped.
  • the first metal plate 110 can follow the first The body 100 moves
  • the second metal plate 210 can move with the second body 200, so that at least part of the first metal plate 110 and the second metal plate 210 can overlap each other with the movement of the first body 100 and the second body 200, the first The metal plate 110 and the second metal plate 210 may form the resonant cavity 101 .
  • the antenna unit 300 can be arranged on the first body 100, and the antenna unit 300 can transmit excitation signals and transmit electromagnetic wave signals in free space.
  • the The excitation signal can oscillate in the resonant cavity 101 , the excitation signal can excite the resonant cavity 101 to form a first resonance, the first resonance can support the first frequency, and the resonance point of the first resonance can be the center frequency point of the first frequency.
  • FIG. 3 is a second structural schematic diagram of the electronic device 10 provided by the embodiment of the present application
  • FIG. 4 is a structural schematic diagram of the electronic device 10 shown in 3 in another form.
  • the electronic device 10 in the embodiment of the present application may further include an electrical connector 400 .
  • the electrical connector 400 can be connected to the first metal plate 110 and the second metal plate respectively. 210 electrical connection, the electrical connector 400 can change the shape of the resonant cavity 101, at this time, the excitation signal can excite the resonant cavity 101 to form a second resonance, the second resonance can support the second frequency, and the resonance point of the second resonance can be the first The center frequency point of the second frequency, the second frequency is different from the first frequency.
  • the second resonance can prevent the resonant cavity 101 from exciting the first resonance, and the second resonance can prevent the electronic device 10 from forming the first resonance and affecting the radiation performance of the antenna unit 300 .
  • the first metal plate 110 and the second metal plate 210 may be metal sheets or metal sheet structures on the first body 100 and the second body 200 .
  • the first metal plate 110 can be a middle board or a circuit board structure on the first body 100, and the first metal plate 110 can also be a metal shell of the first body 100 such as a metal back shell structure; similarly, the second metal The board 210 can be a middle board or a circuit board structure on the second body 200 , and the second metal plate 210 can also be a metal shell of the second body 200 such as a metal rear shell structure.
  • the first metal plate 110 and the second metal plate 210 can provide support for the electronic devices in the electronic device 10 , so as to install the electronic devices in the electronic device 10 together.
  • electronic components such as a camera, a receiver, a radio frequency module, a control module, and a power supply in the electronic device 10 can be installed on the first metal plate 110 and the second metal plate 210 for fixing.
  • the first body 100 and the second body 200 can switch between the unfolded state and the overlapped state, and the first body 100 and the second body 200 can drive the first metal plate 110 and the second metal plate
  • the plates 210 form the aforementioned resonant cavity 101 in the overlapping state.
  • the first body 100 and the second body 200 When the first body 100 and the second body 200 are folded, as shown in Figure 1 and Figure 3, the first body 100 and the second body 200 can move left and right and relatively unfolded to the unfolded state; as shown in Figure 2 and Figure 4 As shown, the first body 100 and the second body 200 can also move left and right and fold each other to an overlapping state, at this time the first metal plate 110 and the second metal plate 210 can form the resonant cavity 101 .
  • the folding direction of the first body 100 and the second body 200 during the folding operation is not limited to the left and right folding directions shown in Figures 1 and 2, for example, please refer to Figures 5 and 6, Figure 5 is The second structural schematic diagram of the electronic device 10 provided by the embodiment of the present application.
  • FIG. 1 the folding direction of the first body 100 and the second body 200 during the folding operation is not limited to the left and right folding directions shown in Figures 1 and 2, for example, please refer to Figures 5 and 6,
  • Figure 5 is The second structural schematic diagram of the electronic device 10 provided by
  • FIG. 6 is a schematic structural schematic diagram of the electronic device 10 shown in FIG. 5 in another form.
  • the first body 100 When the folding operation is performed with the second body 200, it can move up and down and relatively unfolded to the unfolded state; in the embodiment of FIG. At this time, the first metal plate 110 and the second metal plate 210 may also form the resonant cavity 101 . Based on this, the embodiment of the present application does not limit the specific folding manner of the first body 100 and the second body 200 .
  • FIG. 7 and FIG. 8 show the schematic diagram of the structure of the electronic device 10 in another form.
  • the first body 100 and the second body 200 can slide relatively far away to the unfolded state; as shown in FIG.
  • a metal plate 110 and a second metal plate 210 can also form the resonant cavity 101 .
  • first body 100, the second body 200, the first metal plate 110, and the second metal plate 210 all have a certain thickness, when the first body 100 and the second body 200 are folded or slid In the overlapping state, the first body 100 , the first metal plate 110 , the second body 200 , and the second metal plate 210 can be stacked in the thickness direction.
  • the size of the first metal plate 110 and the second metal plate 210 can be the same or different, the size of the first body 100 and the second body 200 can be the same or different, therefore, in the overlapping state, all the first bodies 100 may overlap with the second body 200, or part of the first body 100 may overlap with the second body 200; all of the first metal plate 110 may overlap with the second metal plate 210, or part of the first metal plate 110 It may overlap with the second metal plate 210 .
  • the embodiment of the present application does not limit the specific structure of the overlapping state of the first body 100 and the second body 200 , and the first metal plate 110 and the second metal plate 210 .
  • the electronic device 10 can also include a rotating shaft 500, which can be connected with the first body 100 and the second body 200, and the rotating shaft 500 can also be connected with the first metal plate 110 and the second metal plate 110.
  • the metal plate 210 is connected, and the rotating shaft 500 can make the first body 100 and the second body 200 fold relative to each other.
  • the rotating shaft 500 is made of metal
  • the first metal plate 110, the rotating shaft 500 and the second metal plate 210 can jointly form the resonant cavity 101
  • the first metal plate 110 and the second metal plate 210 can be the top plate and the bottom plate of the resonant cavity 101 .
  • the rotating shaft 500 may be a side wall of the resonant cavity 101, and at this time, the resonant cavity 101 may be a semi-open cavity.
  • the rotating shaft 500 when the rotating shaft 500 can be made of non-conductive material, or as shown in FIG. 7 and FIG. 8 , the electronic device 10 does not include the rotating shaft 500 (the first body 100 and the second body 200 pass sliding), at this time, only the first metal plate 110 and the second metal plate 210 jointly form the resonant cavity 101, and the resonant cavity 101 may be a fully open cavity.
  • the first metal plate 110 and the second metal plate 210 will not overlap each other, and the first metal plate 110 and the second metal plate 110 will not overlap each other.
  • the metal plate 210 will not form the resonant cavity 101, and the resonant cavity 101 will not affect the radiation performance of the antenna unit 300, and the antenna unit 300 has better radiation performance.
  • FIG. 9 is a schematic diagram of the S parameter curve when the antenna unit 300 shown in FIG. 1 transmits an excitation signal
  • FIG. 10 is the efficiency when the antenna unit 300 shown in FIG. 1 transmits an excitation signal Schematic diagram of the curve.
  • the curve S1 in FIG. 9 can be the reflection coefficient curve of the antenna unit 300 when the first body 100 and the second body 200 are in the unfolded state
  • the curve S2 in FIG. 10 and S3 are the radiation efficiency and system efficiency of the antenna unit 300 when the first body 100 and the second body 200 are in the unfolded state. It can be seen from the curves S1 to S3 that the average system efficiency of the antenna unit 300 in the B3 frequency band is about -3.2dB, and the antenna unit 300 has better radiation performance.
  • the first metal plate 110 and the second metal plate 210 can form a resonant cavity 101.
  • the antenna unit 300 transmits an excitation signal
  • the generated electromagnetic wave will generate the first resonance in the resonant cavity 101 which is not conducive to the radiation performance of the antenna unit 300 .
  • FIG. 11 is a current distribution diagram of the electric field formed in the resonant cavity 101 shown in FIG. Figure 13 is another electric field distribution diagram of the electric field formed in the resonant cavity 101 shown in Figure 2, and Figure 14 is the S parameter when the antenna unit 300 shown in Figure 2 transmits an excitation signal 15 is a schematic diagram of an efficiency curve when the antenna unit 300 shown in FIG. 2 transmits an excitation signal.
  • the electromagnetic waves can cause the resonant cavity 101 to excite the inherent first resonance mode of the open or semi-open cavity, and the first resonance can be achieved in the resonant cavity 101
  • An induced current is generated and a first electric field is generated.
  • the induced current is zero at the edge of the resonant cavity 101, following the current zero point, and can flow in reverse multiple times on multiple surfaces of the resonant cavity 101 (surfaces of the first metal plate 110 and the second metal plate 210).
  • the induced current can be symmetrically distributed up and down in the electrical connection areas of the electrical connector 400 on the first metal plate 110 and the second metal plate 210 .
  • the electric field when the first electric field is distributed in the resonant cavity 101, the maximum electric field (electric field strength point) is located at the opening edge of the resonant cavity 101, and the minimum value of the electric field is located at the first body 100 and the second body 200 At the joints (for example, the rotating shaft 500 ) when folding or sliding each other, the electric field can be reversely set multiple times on the edge of the resonant cavity 101 parallel to the extending direction of the antenna unit 300 .
  • the curve S4 in Figure 14 is the reflection coefficient curve formed under the influence of the resonant cavity 101 when the antenna unit 300 transmits the excitation signal when the electronic device 10 is not provided with an electrical connection
  • the curves S5 and S6 in Figure 15 are respectively the radiation efficiency curve and the system efficiency curve formed under the influence of the resonant cavity 101 when the antenna unit 300 transmits the excitation signal when the electronic device 10 is not provided with an electrical connection.
  • the clutter may be generated by the first resonance formed by the resonant cavity 101 under the excitation signal, and the frequency corresponding to the clutter may be the first frequency of the first resonance. It can be known from the curves S5 and S6 that, at the frequency (first frequency) close to the clutter in the electronic device 10, there will be a notch where the radiation efficiency and system efficiency decrease. Therefore, it can be seen from the curves S4 to S6 that the first resonance can affect the The antenna unit 300 generates interference, and the first resonance may affect the radiation performance of the antenna unit 300 .
  • the electrical connector 400 when the first body 100 and the second body 200 are in an overlapping state, the electrical connector 400 can be electrically connected with the first metal plate 110 and the second metal plate 210, and the electrical connector 400 can change the resonance
  • the shape of the cavity 101 and the electrical connector 400 can prevent the resonant cavity 101 from forming the first resonance that would damage the radiation performance of the antenna unit 300 .
  • FIG. 16 is a schematic diagram of the S parameter curve when the antenna unit 300 shown in FIG. Schematic diagram of the efficiency curve when the excitation signal is applied.
  • Curve S7 in FIG. 16 is the reflection coefficient curve formed under the influence of resonant cavity 101 when the antenna unit 300 transmits the excitation signal after the electronic device 10 is provided with the electrical connector 400.
  • Curve S8 in FIG. 18 is the electronic device 10 without the electrical connector 400.
  • the electronic device 10 includes the electrical connector 400, and the electrical connector 400 electrically connects the first metal plate 110 and the second metal plate 210 in the folded state
  • the electrical connection The part 400 can short-circuit the first metal plate 110 and the second metal plate 210, and the electrical connection part 400 can destroy the shape of the resonant cavity 101, so that the resonant cavity 101 cannot be excited to generate the excitation electric field as shown in Figures 11 to 13, so that the electric
  • the connecting piece 400 can eliminate the noise generated by the resonant cavity 101 .
  • the electrical connector 400 can make the reflection coefficient curve of the antenna unit 300 have no pits, and the radiation efficiency and system efficiency curves also have no pits.
  • the electrical connector 400 can improve the performance of the antenna.
  • the electronic device 10 of the embodiment of the present application includes the first body 100, the second body 200, the antenna unit 300 and the electrical connector 400.
  • the first body 100 and the second body 200 can be folded or slid relative to each other, so that The first metal plate 110 of the first body 100 overlaps with the second metal plate 210 of the second body 200 to form a resonant cavity 101, and the excitation signal transmitted by the antenna unit 300 can excite the resonant cavity 101 to generate the first resonance;
  • the electrical connector 400 can Electrically connected to the first metal plate 110 and the second metal plate 210 in the folded state, the electrical connector 400 can change the shape of the resonant cavity 101 and make the excitation signal excite the resonant cavity 101 to form a second resonance different from the first resonance.
  • the first resonance formed by the resonant cavity 101 in the folded or sliding state will reduce the radiation performance of the antenna unit 300;
  • the electrical connector 400 in the folded or sliding state can short-circuit the first metal plate 110 and the second metal plate 210 and can destroy the resonance boundary condition of the resonant cavity 101, and the electrical connector 400 can prevent the resonant cavity 101 from forming a lower
  • the first resonance of the radiation performance of the antenna unit 300, so that the electronic device 10 after the electrical connector 400 is folded or slid will basically not affect the radiation performance of the antenna unit 300, and the electronic device 10 after the electrical connector 400 can be The radiation performance of the antenna unit 300 in a folded or sliding state is ensured.
  • the antenna unit 300 may include a feed source 310 and a radiation branch 320 electrically connected, and the feed source 310 and the radiation branch 320 may be arranged on the first body 100, for example, the feed source 310 may be arranged On the first metal plate 110 , the radiation branches 320 may be formed on the frame of the first body 100 .
  • the feed source 310 can provide the aforementioned excitation signal to the radiation stub 320 , for example, the excitation signal of the B3 frequency band.
  • the radiation stub 320 can be made of conductive material and can radiate wireless signals under the action of the excitation signal.
  • the antenna unit 300 may transmit but not limited to wireless fidelity (Wi-Fi for short) signals, Global Positioning System (Global Positioning System, GPS for short) signals, third-generation mobile communication technology (3th-Generation , referred to as 3G), the fourth generation of mobile communication technology (4th-Generation, referred to as 4G), the fifth generation of mobile communication technology (5th-Generation, referred to as 5G).
  • Wi-Fi wireless fidelity
  • GPS Global Positioning System
  • 5G fifth generation of mobile communication technology
  • the antenna unit 300 may further include a matching circuit (not shown in the figure), which can match the impedance of the feed source 310 when transmitting the excitation signal, so that the radiation stub 320 can transmit the wireless signal.
  • a matching circuit not shown in the figure
  • the electrical connector 400 may include a first electrical connection part 410 and a second electrical connection part 420 .
  • the first electrical connection part 410 can be provided on the first body 100
  • the second electrical connection part 420 can be provided on the second body 200
  • one end of the first electrical connection part 410 can be connected and electrically connected with the first metal plate 110
  • the second One end of the electrical connection part 420 may be connected and electrically connected with the second metal plate 210 .
  • the other end of the first electrical connection part 410 can be away from the other end of the second electrical connection part 420 and not connected; when the first body 100 and the second body 200 When at least part of the second metal plate 210 overlaps with the first metal plate 110 when being folded with each other, the other end of the first electrical connection part 410 can be electrically connected to the other end of the second electrical connection part 420 .
  • the first electrical connection part 410 may be, but not limited to, an electrical contact, a metal pad, a metal column, a metal buckle and the like disposed on the first metal plate 110 .
  • the second electrical connection portion 420 may be, but not limited to, structures such as electrical contacts, metal pads, metal columns, metal grooves, and metal vias disposed on the second metal plate 210 .
  • the embodiment of the present application does not limit the specific structures of the first electrical connection part 410 and the second electrical connection part 420 .
  • a groove may be formed on the second electrical connection part 420 , and when at least part of the second metal plate 210 overlaps with the first metal plate 110 , the first electrical connection part 410 may be limited at the edge of the second electrical connection part 420 . In the groove and electrically connected with the bottom wall or side wall of the groove. At this time, the first electrical connection part 410 can not only realize the electrical connection with the second electrical connection part 420, but also realize the clamping connection with the second electrical connection part 420.
  • the first electrical connection part 410 and the second electrical connection part 420 It is more suitable for folding and unfolding of the first metal plate 110 and the second metal plate 210 .
  • the first electrical connection part 410 and the second electrical connection part 420 can be electrically connected by the above-mentioned clamping method, or can be connected through point-to-point
  • the way of contact shows the electrical connection, and the electrical connection can also be realized by means of magnetic attraction.
  • the embodiment of the present application does not limit the specific electrical connection manner of the first electrical connection part 410 and the second electrical connection part 420 .
  • the electrical connector 400 (such as the first electrical connection part 410 and the second electrical connection part 420) can be located inside the resonant cavity 101, and the electrical connection The connector 400 may be located between the first metal plate 110 and the second metal plate 210 .
  • the electrical connector 400 (such as the first electrical connection part 410 and the second electrical connection part 420) can also be located outside the resonant cavity 101, and in the resonant The outside of the cavity 101 is electrically connected to the first metal plate 110 and the second metal plate 210 respectively.
  • the embodiment of the present application does not limit the specific arrangement position of the electrical connector 400 .
  • the electrical connector 400 can also have other structures, for example, the electrical connector 400 Two ends of the two are respectively connected to the first metal plate 110 and the second metal plate 210 , and the electrical connector 400 can be in tension and compression state as the first metal plate 110 and the second metal plate 210 are unfolded and folded.
  • the embodiment of the present application does not limit the specific structure of the electrical connector 400 .
  • the electrical connector 400 of the embodiment of the present application includes a first electrical connection part 410 and a second electrical connection part 420 respectively provided on the first metal plate 110 and the second metal plate 210.
  • the first electrical connection part 410 and the second electrical connection part 420 can be separated from each other; They can be electrically connected to each other, so that the electrical connector 400 of the embodiment of the present application can be more suitable for the folded and unfolded configurations of the electronic device 10 .
  • the first metal plate 110 may be provided with a first electrical connection area 111
  • the second metal plate 210 may be provided with a second electrical connection area 211
  • the electrical connector 400 can be electrically connected to the first electrical connection area 111
  • the electrical connector 400 can also be electrically connected to the second electrical connection area 211
  • the electrical connector 400 can also be electrically connected to on the first electrical connection area 111 and the second electrical connection area 211 .
  • one end of the electrical connector 400 such as one end of the first electrical connection part 410 may be electrically connected to the first electrical connection area 111
  • the other end of the electrical connector 400 such as one end of the second electrical connection part 420 may be electrically connected to The second electrical connection area 211
  • the electrical connector 400 can be electrically connected to the first metal plate 110 in the first electrical connection area 111
  • the first electrical connection region 111 may be the electric field strength point region (i.e. the current zero point region) on the first metal plate 110 of the first electric field generated by the first resonance formed by the excitation signal to excite the resonant cavity 101.
  • the second electrical connection area 211 may also be an electric field strength point area on the second metal plate 210 of the first electric field generated by the first resonance formed by the excitation signal exciting the resonant cavity 101 . It can be seen from FIG. 11 that the first resonance will be reversely excited multiple times in the resonant cavity 101 so that the first electric field can form multiple electric field strength point regions on the first metal plate 110 and the second metal plate 210.
  • the first The electrical connection area 111 and the second electrical connection area 211 can select any area of electric field strength.
  • first electrical connection area 111 and the second electrical connection area 211 may not be the electric field strength point area of the first electric field on the first metal plate 110 or the second metal plate 210.
  • the specific positions of the first electrical connection area 111 and the second electrical connection area 211 are not limited.
  • the electrical connector 400 of the embodiment of the present application is electrically connected to the first metal plate 110 and the second metal plate 210 in the first electrical connection area 111 and the second electrical connection area 211 respectively.
  • the electrical connector 400 is more likely to destroy the resonance boundary condition of the resonant cavity 101 forming the first resonance, and the electrical connector 400 can make the frequency point of the second resonance formed by the resonant cavity 101 Farther away from the frequency point of the first resonance, thus, the electrical connector 400 can destroy the influence of the first resonance on the radiation performance of the antenna unit 300, and the electrical connector 400 can also prevent the second resonance generated by the resonant cavity 101 from radiating to the antenna unit 300 Influenced by performance, the antenna unit 300 of the embodiment of the present application has better radiation performance.
  • the first metal plate 110 may include a first edge 112
  • the second metal plate 210 may include a second edge 212 .
  • one end of the electrical connector 400 can be electrically connected to the first edge 112
  • one end of the electrical connector 400 can also be electrically connected to the second edge 212
  • Two ends of the element 400 may also be electrically connected to the first edge 112 and the second edge 212 respectively.
  • first edge 112 and the second edge 212 may be the edges of the opening of the resonant cavity 101, for example, the first edge 112 and the second edge 212 may be the first metal plate 110, the second metal plate 210 without The hinge 500 connects the edges.
  • the electric field strength of the first electric field formed by the excitation signal in the resonant cavity 101 at the opening edge of the resonant cavity 101 is higher.
  • the electrical connector 400 is electrically connected to the first edge 112 and the second edge 212 , and the electrical connector 400 is more likely to destroy the resonant boundary condition of the resonant cavity 101 forming the first resonance.
  • the first edge 112 and the second edge 212 may be disposed along the first direction H1 .
  • the first edge 112 and the second edge 212 may be edges parallel to the antenna unit 300 .
  • the first direction H1 may be the length direction of the electronic device 10
  • the electronic device 10 may also include a second direction H2 in the width direction and a third direction H3 in the thickness direction.
  • the first edge 112 and the second edge 212 can be stacked, and the electric field strength of the first electric field between the first edge 112 and the second edge 212 is greater
  • the electrical connector 400 is electrically connected to the first edge 112 and the second edge 212 , the electrical connector 400 is more likely to destroy the resonant boundary condition of the resonant cavity 101 forming the first resonance.
  • the electrical connector 400 can be electrically connected to the central area of the first edge 112 and the second edge 212 respectively.
  • the central area of the edge 212 further makes it easier for the electrical connector 400 to damage the resonant cavity 101 to form the first resonance.
  • the first electrical connection region 111 in the foregoing embodiment may be the region on the first edge 112
  • the second electrical connection region 211 in the foregoing embodiment may be the region on the second edge 212
  • the first electrical connection region 111 and the second electrical connection region 211 can be regions with higher electric field strength in the first electric field, or regions with electric field strength points of the first electric field.
  • the electrical connector 400 is more likely to destroy the effect of the first resonance on the radiation performance of the antenna unit 300 .
  • the first body 100 may further include a first metal frame 120 .
  • the first metal frame 120 may be provided with a first slit 121, the first slit 121 can make the first metal frame 120 form a first metal branch 130, the antenna unit 300 may include a first metal branch 130, the first metal branch 130 A signal may be radiated as the radiation stub 320 of the antenna unit 300 .
  • first gap 122 between the first metal frame 120 and the first metal plate 110 , and the first gap 122 may communicate with the first slit 121 .
  • the electronic device 10 can also fill a non-conductive material between the first gap 121 and the first gap 122 to increase the structural strength of the first metal frame 120 and the first metal plate 110 .
  • the first metal frame 120 forms the radiation branch 320 of the antenna unit 300 through slits.
  • the radiation branch 320 does not need to occupy additional space of the electronic device 10, and the electronic device 10 can realize a miniaturized design.
  • the antenna unit 300 may further include a ground terminal, and the first metal branch 130 may be electrically connected to the first metal plate 110 through the ground terminal to achieve grounding.
  • At least part of the electrical connector 400 can be electrically connected to the first metal plate 110, at least part of the electrical connector 400 can also be electrically connected to the antenna unit 300 such as the first metal branch 130, and at least part of the electrical connector 400 can be As the ground terminal of the antenna unit 300 , the antenna unit 300 can be grounded through the electrical connection piece 400 and the first metal plate 110 .
  • the first electrical connection part 410 can be used as the ground terminal of the antenna unit 300 to be electrically connected to the first metal plate 110 and The grounding of the antenna unit 300 is realized.
  • the electrical connector 400 when the first metal plate 110 is the ground plane, the electrical connector 400 can be used as the ground terminal of the antenna unit 300, or can destroy the shape of the resonant cavity 101, so that the electrical connector 400 realizes complex Therefore, the structure of the electronic device 10 is simpler.
  • FIG. 18 is a schematic diagram of the fifth structure of the electronic device 10 provided by the embodiment of the present application
  • FIG. 19 is a schematic diagram of the structure of the electronic device 10 shown in FIG. 18 in another form.
  • the electronic device 10 may further include a parasitic stub 600 , and the parasitic stub 600 may be disposed on the second body.
  • the parasitic branch 600 can overlap the radiation branch 320 of the antenna unit 300,
  • the parasitic stub 600 can be electromagnetically coupled with the radiation stub 320 of the antenna unit 300, and the parasitic stub 600 and the radiation stub 320 of the antenna unit 300 can jointly generate a resonance, which can be distinguished from the independent resonance of the radiation stub 320 of the antenna unit 300 under the action of the excitation signal. generated resonance.
  • the antenna unit 300 can support the signal of the first frequency band; when the parasitic branch 600 and the radiation branch 320 of the antenna unit 300 jointly generate resonance, the two can jointly support The wireless signal of the second frequency band.
  • the second body 200 may be provided with a second metal frame 220 , and the second metal frame 220 may be provided with a second gap 222 , the second gap 222 can make the second metal frame 220 and the second metal plate 210 spaced from each other.
  • the second metal frame 220 may be provided with a second gap 221 , the second gap 221 may communicate with the second gap 222 , and the second gap 221 may make the second metal frame 220 form a second metal branch 230 .
  • the parasitic stub 600 may include the second metal stub 230 , so that when at least part of the second body 200 overlaps the first body 100 , the second metal stub 230 may be electromagnetically coupled to the first metal stub 130 .
  • the electrical length of the parasitic branch 600 may be greater than a quarter of the wavelength corresponding to the first frequency band.
  • the center frequency of the second frequency band can be lower than the center frequency of the first frequency band, and the parasitic branch 600 is used as an auxiliary branch of the radiation branch 320 of the antenna unit 300, and the resonance formed by the parasitic branch 600 and the radiation branch 320 of the antenna unit 300 can be improved.
  • the first frequency band may correspond to a frequency range
  • the first frequency band may be a GSM900 frequency band
  • the corresponding frequency range may be 890 MHz to 960 MHz
  • the center frequency band may be 900 MHz.
  • the electrical length of the parasitic branch 600 is greater than a quarter of the wavelength corresponding to the first frequency band, which may mean that the electrical length of the parasitic branch 600 is greater than four quarters of the wavelength corresponding to the central frequency band (for example, 900 MHz) of the first frequency band (for example, the GSM900 frequency band). It may also mean that the electrical length of the parasitic branch 600 is greater than a quarter of the wavelength corresponding to the minimum frequency (eg 890 MHz) in the first frequency band (eg GSM900 frequency band).
  • the electrical length may refer to an effective electrical length.
  • the electrical length or effective electrical length of the parasitic stub 600 is often different from the actual physical length of the parasitic stub 600 due to the influence of the shape of the parasitic stub 600 and the capacitance, resistance, inductance and other devices electrically connected to the parasitic stub 600 .
  • the electrical length of the parasitic stub 600 can be equal to the physical length between the two ends of the parasitic stub 600 .
  • the electrical length of the parasitic branch 600 can be greater or smaller than the physical length between the two ends of the parasitic branch 600 .
  • the electrical length of the parasitic stub 600 can be made greater than a quarter of the wavelength corresponding to the first frequency band by adjusting the shape of the parasitic stub 600 , the electrically connected capacitors, inductors, resistors and other devices. Its specific debugging method will not be repeated here.
  • the electrical length of the parasitic branch 600 is greater than a quarter of the wavelength corresponding to the first frequency band.
  • the radiation branch 320 of the antenna unit 300 can be electromagnetically coupled with the parasitic branch 600.
  • the center frequency of the second frequency band jointly supported by the parasitic branch 600 and the radiation branch 320 of the antenna unit 300 can be lower than that of the antenna unit.
  • the center frequency of the first frequency band supported by the radiation stub 320 of 300 and the parasitic stub 600 can improve the system efficiency of the antenna system in the folded state of the electronic device 10 , thereby making the radiation performance of the electronic device 10 better.
  • FIG. 20 is a schematic diagram of a sixth structure of the electronic device 10 provided by the embodiment of the present application.
  • the electronic device 10 may also include a flexible display 700 , a circuit board 800 and a power supply 900 .
  • the flexible display screen 700 can form a display surface of the electronic device 10 for displaying information such as images and texts.
  • the flexible display 700 may include a liquid crystal display (Liquid Crystal Display, LCD) or an organic light-emitting diode (Organic Light-Emitting Diode, OLED) display and other types of display.
  • the flexible display screen 700 can be connected to the first body 100 and the second body 200 , and can be folded along with the folding of the first body 100 and the second body 200 .
  • the first end of the flexible display 700 can be connected to the first body 100
  • the second end of the flexible display 700 can be connected to the second body 200 .
  • the first body 100 and the second body 200 are in the unfolded state
  • the first end and the second end of the flexible display 700 can be at the same position as the first body 100 and the second body 200 are unfolded. Plane, the flexible display 700 is in an unfolded state.
  • the flexible display 700 can also be folded along with the folding of the first body 100 and the second body 200, so that the first end and the second end of the flexible display 700 Can be folded close to each other or completely close to each other. It can be understood that, in the embodiments shown in FIG. 7 and FIG.
  • the electronic device 10 may be provided with a display screen on one of the first body 100 and the second body 200 , and the display screen may be a flexible screen or a non-flexible screen. Flexible screen.
  • the display screen in this embodiment does not change in form with the sliding of the first body 100 and the second body 200 .
  • the circuit board 800 can be installed on the first body 100 or the second body 200 , and the circuit board 800 can be the main board of the electronic device 10 .
  • a processor may be integrated on the circuit board 800, and one or more functional components such as an earphone jack, an acceleration sensor, a gyroscope, and a motor may also be integrated.
  • the flexible display screen 700 , the feed source 310 , and the matching circuit can be arranged on the circuit board 800 to be controlled by a processor on the circuit board 800 .
  • the power supply 900 may be installed on the first body 100 or the second body 200 . Meanwhile, the power supply 900 can be electrically connected to the circuit board 800 so that the power supply 900 can supply power to the electronic device 10 .
  • the circuit board 800 may be provided with a power supply 900 management circuit.
  • the power supply 900 management circuit is used for distributing the voltage provided by the power supply 900 to each electronic device in the electronic device 10 .
  • the electronic device 10 in the embodiment of the present application may also include components such as a camera, a sensor, and an acoustic-electric conversion device.
  • components such as a camera, a sensor, and an acoustic-electric conversion device.

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Abstract

一种电子设备，包括第一本体、天线单元、第二本体和电连接件，第二本体可相对第一本体折叠或滑动，以使至少部分第二本体的第二金属板与第一本体的第一金属板重叠形成谐振腔，天线单元传输的激励信号可激励谐振腔形成第一谐振；电连接件可分别与第一金属板和第二金属板电连接，以改变谐振腔的形态并使谐振腔形成第二谐振。

Description

电子设备
本申请要求于2021年12月06日提交中国专利局、申请号为202111480350.9、发明名称为“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
本申请涉及通信技术领域，特别涉及一种电子设备。
背景技术
随着通信技术的发展，诸如智能手机等电子设备可以实现折叠或滑动操作，以使得电子设备可以具有展开形态、折叠形态、滑动形态。并且，电子设备可以包括天线以实现移动通信服务。
发明内容
本申请提供一种电子设备，可以保证电子设备在折叠或滑动形态下的辐射性能。
本申请提供了一种电子设备，包括：
第一本体，包括第一金属板；
天线单元，设置于所述第一本体，所述天线单元用于传输激励信号；
第二本体，包括第二金属板，所述第二本体可相对所述第一本体折叠或滑动，以使至少部分所述第二金属板与所述第一金属板重叠，并使所述第二金属板与所述第一金属板形成谐振腔，所述激励信号用于激励所述谐振腔形成第一谐振；及
电连接件，至少部分所述第二金属板与所述第一金属板重叠时，所述电连接件分别与所述第一金属板和所述第二金属板电连接，以改变所述谐振腔的形态并使所述激励信号激励所述谐振腔形成不同于所述第一谐振的第二谐振。
附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍。显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本申请实施例提供的电子设备的第一种结构示意图。
图2为图1所示的电子设备处于另一形态下的结构示意图。
图3为本申请实施例提供的电子设备的第二种结构示意图。
图4为图3所示的电子设备处于另一形态下的结构示意图。
图5为本申请实施例提供的电子设备的第三种结构示意图。
图6为图5所示的电子设备处于另一形态下的结构示意图。
图7为本申请实施例提供的电子设备的第四种结构示意图。
图8为图7所示的电子设备处于另一形态下的结构示意图。
图9为图1所示的天线单元300传输激励信号时的S参数曲线示意图。
图10为图1所示的天线单元300传输激励信号时的效率曲线示意图。
图11为图2所示的谐振腔内形成的电场的电流分布图。
图12为图2所示的谐振腔内形成的电场的一种电场分布图。
图13为图2所示的谐振腔内形成的电场的另一种电场分布图。
图14为图2所示的天线单元300传输激励信号时的S参数曲线示意图。
图15为图2所示的天线单元300传输激励信号时的效率曲线示意图。
图16为图4所示的天线单元300传输激励信号时的S参数曲线示意图。
图17为图4所示的天线单元300传输激励信号时的效率曲线示意图。
图18为本申请实施例提供的电子设备的第五种结构示意图。
图19为图18所示的电子设备处于另一形态下的结构示意图。
图20为本申请实施例提供的电子设备的第六种结构示意图。
具体实施方式
下面将结合本申请实施例中的附图1至附图20，对本申请实施例中的技术方案进行清楚、完整地描述。显然，所描述的实施例仅仅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。
本申请实施例提供一种电子设备10。电子设备10可以是智能手机、平板电脑等设备，还可以是游戏设备、增强现实(Augmented Reality，简称AR)设备、汽车装置、数据存储装置、音频播放装置、视频播放装置、笔记本电脑、桌面计算设备等。请参阅图1和图2，图1为本申请实施例提供的电子设备10的第一种结构示意图，图2为图1所示的电子设备10处于另一形态下的结构示意图。电子设备10包括第一本体100、第二本体200、天线单元300。
第一本体100可以包括第一金属板110，第二本体200可以包括第二金属板210。第一本体100和第二本体200可互相朝着对方进行折叠或滑动操作，以使得至少部分第二本体200和第一本体100可以重叠，在此过程中，第一金属板110可随第一本体100运动、第二金属板210可随第二本体200运动，从而至少部分第一金属板110和第二金属板210可以随第一本体100和第二本体200的运动而相互重叠，第一金属板110和第二金属板210可以形成谐振腔101。天线单元300可以设置于第一本体100上，天线单元300可以传输激励信号并 在自由空间内传输电磁波信号，当第一本体100和第二本体200相互折叠或滑动以形成谐振腔101时，该激励信号可在谐振腔101内激荡，激励信号可以激励该谐振腔101形成第一谐振，该第一谐振可以支持第一频率，第一谐振的谐振点可以是第一频率的中心频点。
其中，请参考图3和图4，图3为本申请实施例提供的电子设备10的第二种结构示意图，图4为3所示的电子设备10处于另一形态下的结构示意图。本申请实施例的电子设备10还可以包括电连接件400。
当第一本体100和第二本体200相互折叠或滑动以使第一金属板110和第二金属板210形成谐振腔101时，电连接件400可以分别与第一金属板110和第二金属板210电连接，电连接件400可以改变谐振腔101的形态，此时，激励信号可以激励谐振腔101形成第二谐振，该第二谐振可以支持第二频率，第二谐振的谐振点可以是第二频率的中心频点，该第二频率不同于第一频率。第二谐振可使谐振腔101不激励出第一谐振，第二谐振可以避免电子设备10形成第一谐振而对天线单元300的辐射性能产生影响。
其中，第一金属板110、第二金属板210可为第一本体100、第二本体200上的金属薄片或金属薄板结构。例如，第一金属板110可为第一本体100上的中板或电路板结构，第一金属板110也可为第一本体100的金属壳体例如金属后壳结构；同理，第二金属板210可为第二本体200上的中板或电路板结构，第二金属板210也可为第二本体200的金属壳体例如金属后壳结构。第一金属板110、第二金属板210可为电子设备10中的电子器件提供支撑作用，以将电子设备10中的电子器件安装到一起。示例性的，电子设备10中的摄像头、受话器、射频模块、控制模块、电源等电子器件都可以安装到第一金属板110、第二金属板210上进行固定。在进行折叠或滑动操作的过程中，第一本体100和第二本体200可以在展开状态和重叠状态之间切换，第一本体100和第二本体200可以带动第一金属板110和第二金属板210在重叠状态下形成前述的谐振腔101。
当第一本体100和第二本体200进行折叠操作时，如图1、图3所示，第一本体100和第二本体200可以左右移动并相对展开至展开状态；如图2、图4所示，第一本体100和第二本体200也可以左右移动并相互折叠至重叠状态，此时第一金属板110和第二金属板210可以形成谐振腔101。可以理解的是，第一本体100和第二本体200进行折叠操作时的折叠方向并不限于图1和图2所示的左右折叠的方向，例如，请参考图5和图6，图5为本申请实施例提供的电子设备10的第二种结构示意图，图6为图5所示的电子设备10处于另一形态下的结构示意图，在图5所示的实施例中，第一本体100和第二本体200 进行折叠操作时可以上下移动并相对展开至展开状态；在图6的实施例中，第一本体100和第二本体200进行折叠操作时可以上下移动并相互折叠至重叠状态，此时第一金属板110和第二金属板210也可以形成谐振腔101。基于此，本申请实施例对第一本体100和第二本体200的具体折叠方式不进行限定。
再例如，当第一本体100和第二本体200进行滑动操作时，请参考图7和图8，图7为本申请实施例提供的电子设备10的第三种结构示意图，图8为图7所示的电子设备10处于另一形态下的结构示意图。如图7所示，第一本体100和第二本体200可以相对远离滑动至展开状态；如图8所示，第一本体100和第二本体200也可以相向靠近滑动至重叠状态，此时第一金属板110和第二金属板210也可以形成谐振腔101。
可以理解的是，由于第一本体100、第二本体200、第一金属板110、第二金属板210均具有一定的厚度，因此，当第一本体100和第二本体200进行折叠或滑动操作而处于重叠状态时，第一本体100、第一金属板110、第二本体200、第二金属板210可以在厚度方向上堆叠设置。并且，由于第一金属板110和第二金属板210的尺寸可以相同也可不相同，第一本体100、第二本体200的尺寸可以相同也可不相同，因此，重叠状态下，全部的第一本体100可以与第二本体200重叠，或者，部分的第一本体100可以与第二本体200重叠；全部的第一金属板110可以与第二金属板210重叠，或者，部分的第一金属板110可以与第二金属板210重叠。本申请实施例对第一本体100和第二本体200、第一金属板110和第二金属板210处于重叠状态的具体结构不进行限定。
其中，如图1至图6所示，电子设备10还可以包括转轴500，该转轴500可与第一本体100、第二本体200连接，该转轴500也可以与第一金属板110和第二金属板210连接，转轴500可使第一本体100、第二本体200相对折叠。当该转轴500为金属材质时，第一金属板110、转轴500和第二金属板210可以共同形成谐振腔101，第一金属板110和第二金属板210可以是谐振腔101的顶板和底板、转轴500可以是谐振腔101的一侧壁，此时，谐振腔101可为半开放的腔体。
当然，在另一些实施例中，当该转轴500可为非导体材质，或者如图7和图8所示，电子设备10不包括转轴500(第一本体100和第二本体200通过滑轨结构进行滑动)，此时，仅第一金属板110和第二金属板210共同形成谐振腔101，谐振腔101可为全开放的腔体。
其中，如图1和图3所示，当第一本体100和第二本体200处于展开状态时，第一金属板110和第二金属板210不会相互重叠，第一金属板110和第二金属板210不会形成谐振腔101，该谐振腔101不会影响天线单元300的辐射 性能，天线单元300具有较优的辐射性能。
示例性的，请参考图9和图10，图9为图1所示的天线单元300传输激励信号时的S参数曲线示意图，图10为图1所示的天线单元300传输激励信号时的效率曲线示意图。当天线单元300传输B3频段(1710MHz至1880MHz)的激励信号时，图9中曲线S1可为第一本体100和第二本体200处于展开状态时天线单元300的反射系数曲线，图10中曲线S2和S3为第一本体100和第二本体200处于展开状态时天线单元300的辐射效率和系统效率。由曲线S1至S3可知，天线单元300在B3频段的系统效率均值约为-3.2dB，天线单元300具有较优的辐射性能。
其中，如图2所示，当第一本体100和第二本体200处于重叠状态时，第一金属板110和第二金属板210可以形成谐振腔101，此时，天线单元300传输激励信号时产生的电磁波会在谐振腔101内产生不利于天线单元300辐射性能的第一谐振。
示例性的，请结合图2并请参考图11至图15，图11为图2所示的谐振腔101内形成的电场的电流分布图，图12为图2所示的谐振腔101内形成的电场的一种电场分布图，图13为图2所示的谐振腔101内形成的电场的另一种电场分布图，图14为图2所示的天线单元300传输激励信号时的S参数曲线示意图，图15为图2所示的天线单元300传输激励信号时的效率曲线示意图。
当天线单元300传输激励信号并在自由空间内传输电磁波时，电磁波可使谐振腔101激励出开放或半开放的腔体的固有的第一谐振的模式，该第一谐振在谐振腔101内可产生感应电流并产生第一电场。如图11所示，感应电流在谐振腔101的边缘为零秉承电流零点，并可在谐振腔101的多个表面(第一金属板110、第二金属板210的表面)多次反向流动，感应电流可以电连接件400在第一金属板110、第二金属板210上的电连接区域上下对称分布。如图12和图13所示，第一电场在谐振腔101内分布时，其电场最大值(电场强点)位于谐振腔101的开口边缘，电场最小值位于第一本体100和第二本体200相互折叠或滑动时的连接处(例如转轴500处)，电场可以在与天线单元300延伸方向相平行的谐振腔101的边缘上多次反向设置。如图14和图15所示，图14中曲线S4为电子设备10不设置电连接时天线单元300传输激励信号时在谐振腔101的影响下形成的反射系数曲线，图15中曲线S5和S6分别为电子设备10不设置电连接时天线单元300传输激励信号时在谐振腔101的影响下形成的辐射效率曲线和系统效率曲线。当天线单元300传输B3频段(1710MHz至1880MHz)的激励信号时，由曲线S4可知，天线单元300会在 靠近B3频段且偏低的频点(例如1650MHz)处出现谐振腔101的杂波，该杂波可以是谐振腔101在激励信号下形成的第一谐振产生的，该杂波对应的频率可以是第一谐振的第一频率。由曲线S5和S6可知，电子设备10在靠近该杂波的频率(第一频率)处，会出现辐射效率和系统效率下降的凹点，从而，由曲线S4至S6可知，第一谐振可对天线单元300产生干扰，第一谐振可影响天线单元300的辐射性能。
其中，如图4所示，当第一本体100和第二本体200处于重叠状态时，电连接件400可与第一金属板110和第二金属板210电连接，电连接件400可以改变谐振腔101的形态，电连接件400可使谐振腔101不形成损害天线单元300辐射性能的第一谐振。
示例性的，请结合图4并请参考图16和图17，图16为图4所示的天线单元300传输激励信号时的S参数曲线示意图，图17为图4所示的天线单元300传输激励信号时的效率曲线示意图。图16中曲线S7为电子设备10设置电连接件400后天线单元300传输激励信号时在谐振腔101的影响下形成的反射系数曲线，图18中曲线S8为电子设备10不设置电连接件400时天线单元300传输激励信号时在谐振腔101的影响下形成的辐射效率曲线，曲线S9为电子设备10设置电连接件400后天线单元300传输激励信号时在谐振腔101的影响下形成的辐射效率曲线。对比曲线S4和曲线S7、曲线S8和曲线S9可知，当电子设备10包括电连接件400、且电连接件400在折叠状态下电连接第一金属板110和第二金属板210时，电连接件400可使第一金属板110和第二金属板210短路，电连接件400可以破坏谐振腔101的形态，使得谐振腔101不能激励产生如图11至图13所示的激励电场，从而电连接件400可以消除谐振腔101产生的杂波。并且，电连接件400可使天线单元300的反射系数曲线没有出现凹坑、辐射效率及系统效率曲线也不存在凹坑，在B3频段的1670MHz频点下，相较于图2所示的电子设备10处于折叠状态而不设置电连接件400时的天线单元300的辐射效率而言，图4所示的电子设备10处于折叠状态而设置电连接件400后的天线单元300的辐射效率提升了约1.2dB，电连接件400可以提升天线的性能。
基于上述说明，本申请实施例的电子设备10，包括第一本体100、第二本体200、天线单元300和电连接件400，第一本体100和第二本体200可相对折叠或滑动，可使第一本体100的第一金属板110与第二本体200的第二金属板210重叠并形成谐振腔101，天线单元300传输的激励信号可激励谐振腔101产生第一谐振；电连接件400可在折叠状态下电连接于第一金属板110和第二金属板210，电连接件400可以改变谐振腔101的形态并使激励信号激励谐振 腔101形成不同于第一谐振的第二谐振。基于此，本申请实施例的电子设备10在不设置电连接件400时，折叠或滑动状态下谐振腔101形成的第一谐振会降低天线单元300的辐射性能；电子设备10在设置电连接件400后，折叠或滑动状态下电连接件400可使第一金属板110和第二金属板210短路并可以破坏谐振腔101的谐振边界条件，电连接件400可使谐振腔101不会形成降低天线单元300辐射性能的第一谐振，从而，设置电连接件400后的电子设备10在折叠或滑动状态下基本不会影响天线单元300的辐射性能，设置电连接件400后的电子设备10可以保证天线单元300在折叠或滑动形态下的辐射性能。
其中，请再次参考图1至图8，天线单元300可以包括电连接的馈源310和辐射枝节320，馈源310和辐射枝节320可以设置于第一本体100上，例如，馈源310可设置于第一金属板110上，辐射枝节320可以形成在第一本体100的边框上。馈源310可向辐射枝节320提供前述的激励信号，例如提供B3频段的激励信号，辐射枝节320可由导体材质制备并可以在激励信号的作用下辐射无线信号。
可以理解的是，天线单元300可以但不限于传输无线保真(Wireless Fidelity，简称Wi-Fi)信号、全球定位系统(Global Positioning System，简称GPS)信号、第三代移动通信技术(3th-Generation，简称3G)、第四代移动通信技术(4th-Generation，简称4G)、第五代移动通信技术(5th-Generation，简称5G)。
可以理解的是，天线单元300还可以包括匹配电路(图未示)，匹配电路可以对馈源310传输激励信号时的阻抗进行匹配，以使辐射枝节320可以传输无线信号。
其中，请再次参考图3和图4，电连接件400可以包括第一电连接部410和第二电连接部420。
第一电连接部410可以设置于第一本体100，第二电连接部420可以设置于第二本体200，第一电连接部410的一端可与第一金属板110连接并电连接，第二电连接部420的一端可与第二金属板210连接并电连接。当第一本体100和第二本体200相互展开时，第一电连接部410的另一端可与第二电连接部420的另一端相互远离并不连接；当第一本体100和第二本体200相互折叠使得至少部分第二金属板210与第一金属板110重叠时，第一电连接部410的另一端可与第二电连接部420的另一端电连接。
可以理解的是，第一电连接部410可以但不限于为设置于第一金属板110上的电触点、金属焊盘、金属柱、金属卡扣等结构。第二电连接部420可以但不限于为设置于第二金属板210上的电触点、金属焊盘、金属柱、金属凹槽、 金属过孔等结构。本申请实施例对第一电连接部410和第二电连接部420的具体结构不进行限定。
示例性的，第二电连接部420上可以形成有凹槽，当至少部分第二金属板210与第一金属板110重叠时，第一电连接部410可以限位于第二电连接部420的凹槽内并与该凹槽的底壁或侧壁电连接。此时，第一电连接部410既可以实现与第二电连接部420的电连接，还可以实现与第二电连接部420的卡接，第一电连接部410和第二电连接部420更适应第一金属板110和第二金属板210的折叠和展开形态。
可以理解的是，当至少部分第二金属板210与第一金属板110重叠时，第一电连接部410和第二电连接部420可以通过上述卡接的方式实现电连接，也可以通过点对点接触的方式显示电连接，还可以通过磁吸的方式实现电连接。本申请实施例对第一电连接部410和第二电连接部420的具体电连接方式不进行限定。
可以理解的是，当至少部分第二金属板210与第一金属板110重叠时，电连接件400(例如第一电连接部410和第二电连接部420)可以位于谐振腔101内部，电连接件400可以位于第一金属板110和第二金属板210之间。当然，当至少部分第二金属板210与第一金属板110重叠时，电连接件400(例如第一电连接部410和第二电连接部420)也可以位于谐振腔101外部，并在谐振腔101的外部分别电连接于第一金属板110和第二金属板210。本申请实施例对电连接件400的具体设置位置不进行限定。
需要说明的是，本申请实施例的电连接件400除了包括上述第一电连接部410和第二电连接部420的结构，电连接件400还可以为其他的结构，例如，电连接件400的两端分别连接于第一金属板110和第二金属板210、且电连接件400可随第一金属板110和第二金属板210的展开与折叠而处于拉伸和压缩状态。本申请实施例对电连接件400的具体结构不进行限定。
本申请实施例的电连接件400包括分别设置在第一金属板110和第二金属板210上的第一电连接部410和第二电连接部420，在第一金属板110和第二金属板210展开时，第一电连接部410和第二电连接部420可以相互分离；在第一金属板110和第二金属板210折叠时，第一电连接部410和第二电连接部420可以相互电连接，从而，本申请实施例的电连接件400可以更适应电子设备10的折叠和展开形态。
其中，请再次参考图3和图4，第一金属板110上可以设有第一电连接区域111，第二金属板210上可以设有第二电连接区域211，当至少部分第二金属板210与第一金属板110重叠时，电连接件400可以电连接于第一电连接区 域111，电连接件400也可以电连接于第二电连接区域211，电连接件400还可以同时电连接于第一电连接区域111和第二电连接区域211。
示例性的，电连接件400的一端例如第一电连接部410的一端可以电连接于第一电连接区域111，电连接件400的另一端例如第二电连接部420的一端可以电连接于第二电连接区域211，从而，电连接件400可以在第一电连接区域111实现与第一金属板110的电连接、在第二电连接区域211实现与第二金属板210的电连接。
可以理解的是，第一电连接区域111可以是激励信号激励谐振腔101形成的第一谐振产生的第一电场在第一金属板110上的电场强点区域(即电流零点区域)，该第二电连接区域211也可以是激励信号激励谐振腔101形成的第一谐振产生的第一电场在第二金属板210上的电场强点区域。由图11可以看出，第一谐振会在谐振腔101内多次反向激励而使得第一电场在第一金属板110、第二金属板210上可以形成多个电场强点区域，第一电连接区域111和第二电连接区域211可以选取任意的电场强点区域。
当然，第一电连接区域111、第二电连接区域211中的至少一个也可以不是第一电场在第一金属板110、第二金属板210上的电场强点区域，本申请实施例对第一电连接区域111和第二电连接区域211的具体位置不进行限定。
本申请实施例的电连接件400分别在第一电连接区域111、第二电连接区域211与第一金属板110、第二金属板210电连接，当第一电连接区域111和第二电连接区域211为第一电场的电场强点区域时，电连接件400更容易破坏谐振腔101形成第一谐振的谐振边界条件，电连接件400可使谐振腔101形成的第二谐振的频点更远离第一谐振的频点，从而，电连接件400既可以破坏第一谐振对天线单元300辐射性能的影响，电连接件400也可以避免谐振腔101产生的第二谐振对天线单元300辐射性能的影响，本申请实施例的天线单元300具有更优的辐射性能。
其中，请再次参考图3和图4，第一金属板110可以包括第一边缘112，第二金属板210可以包括第二边缘212。当至少部分第二金属板210与第一金属板110重叠时，电连接件400的一端可以电连接于第一边缘112，电连接件400的一端也可以电连接于第二边缘212，电连接件400的两端也可以分别电连接于第一边缘112和第二边缘212。
可以理解的是，该第一边缘112、第二边缘212可以是谐振腔101开口的边缘，例如，第一边缘112和第二边缘212可以为第一金属板110、第二金属板210不与转轴500连接的边缘。如图11至图13所示，当至少部分第二金属板210与第一金属板110重叠时，激励信号在谐振腔101内形成的第一电场在 谐振腔101的开口边缘处的电场强度更大，此时，电连接件400电连接于该第一边缘112、第二边缘212，电连接件400较容易破坏谐振腔101形成第一谐振的谐振边界条件。
其中，当天线单元300(例如辐射枝节320)沿第一方向H1设置于第一本体100时，该第一边缘112、第二边缘212可以沿第一方向H1设置。第一边缘112、第二边缘212可以是平行于天线单元300的边缘。可以理解的是，该第一方向H1可以是电子设备10的长度方向，电子设备10还可以包括宽度方向的第二方向H2以及厚度方向的第三方向H3。
当至少部分第二金属板210与第一金属板110重叠时，第一边缘112和第二边缘212可以层叠设置，第一电场在第一边缘112和第二边缘212之间的电场强度更大，电连接件400电连接于该第一边缘112、第二边缘212时，电连接件400更容易破坏谐振腔101形成第一谐振的谐振边界条件。
并且，考虑到第一电场在第一边缘112的中心区域、第二边缘212的中心区域的电场强度最大，此时，电连接件400可以分别电连接于第一边缘112的中心区域及第二边缘212的中心区域，以进一步使得电连接件400更容易破坏谐振腔101形成第一谐振的。
可以理解的是，前述实施例中的第一电连接区域111可以是第一边缘112上的区域，前述实施例中的第二电连接区域211可以是第二边缘212上的区域，此时，该第一电连接区域111和第二电连接区域211既可以是第一电场中电场强度较大的区域，还可以是第一电场的电场强点区域。电连接件400更容易破坏第一谐振对天线单元300辐射性能的影响。
其中，请再次参考图3和图4，第一本体100还可以包括第一金属边框120。
第一金属边框120上可以设有第一缝隙121，该第一缝隙121可使第一金属边框120形成第一金属枝节130，天线单元300可以包括第一金属枝节130，该第一金属枝节130可以作为天线单元300的辐射枝节320而辐射信号。
可以理解的是，第一金属边框120与第一金属板110之间可以存在第一间隙122，该第一间隙122可与第一缝隙121连通。电子设备10还可以在第一缝隙121和第一间隙122之间填充非导体材料，以增加第一金属边框120和第一金属板110的结构强度。
本申请实施例的电子设备10，第一金属边框120通过开缝形成天线单元300的辐射枝节320，辐射枝节320不需要额外占用电子设备10的空间，电子设备10可以实现小型化设计。
其中，当第一金属板110作为接地平面而接地时，此时，天线单元300还可以包括接地端，第一金属枝节130可以通过该接地端与第一金属板110电连 接而实现接地。
如图3所示，至少部分电连接件400可以与第一金属板110电连接，至少部分电连接件400也可以与天线单元300例如第一金属枝节130电连接，至少部分电连接件400可以作为天线单元300的接地端而使得天线单元300可以通过电连接件400和第一金属板110实现接地。
可以理解的是，当电连接件400包括第一电连接部410和第二电连接部420时，第一电连接部410可以作为天线单元300的接地端而与第一金属板110电连接并实现天线单元300的接地。
本申请实施例的电子设备10，当第一金属板110为接地平面时，电连接件400既可以作为天线单元300的接地端，也可以破坏谐振腔101的形态，从而电连接件400实现复用，电子设备10的结构更简单。
其中，请参考图18和图19，图18为本申请实施例提供的电子设备10的第五种结构示意图，图19为图18所示的电子设备10处于另一形态下的结构示意图。电子设备10还可以包括寄生枝节600，该寄生枝节600可以设置于第二主体上。
当第一本体100和第二本体200互相朝着对方进行折叠或滑动操作，以使得至少部分第二本体200和第一本体100重叠时，寄生枝节600可与天线单元300的辐射枝节320重叠，寄生枝节600可与天线单元300的辐射枝节320电磁耦合，寄生枝节600可与天线单元300的辐射枝节320共同产生一谐振，该谐振可区别于天线单元300的辐射枝节320在激励信号作用下单独产生的谐振。天线单元300的辐射枝节320在激励信号作用下单独产生谐振时，天线单元300可以支持第一频段的信号；当寄生枝节600与天线单元300的辐射枝节320共同产生谐振时，二者可共同支持第二频段的无线信号。
可以理解的是，第二本体200上可以设有第二金属边框220，第二金属边框220上可以设有第二间隙222，第二间隙222可使第二金属边框220与第二金属板210相互间隔。并且，第二金属边框220上可以设有第二缝隙221，第二缝隙221可与第二间隙222相互连通，第二缝隙221可使第二金属边框220形成第二金属枝节230。寄生枝节600可以包括该第二金属枝节230，以使得至少部分第二本体200和第一本体100重叠时，第二金属枝节230可与第一金属枝节130电磁耦合。
可以理解的是，寄生枝节600的电长度可以大于第一频段对应波长的四分之一。此时，第二频段的中心频率可小于第一频段的中心频率，寄生枝节600作为天线单元300的辐射枝节320的辅助枝节，寄生枝节600与天线单元300的辐射枝节320共同形成的谐振可以提升天线单元300的辐射枝节320单独形 成的谐振的辐射性能。
可以理解的是，第一频段可以对应一个频段范围，例如，第一频段可以是GSM900频段，其对应的频段范围可为890MHz至960MHz，中心频段可为900MHz。此时，寄生枝节600的电长度大于第一频段对应波长的四分之一，可以是指寄生枝节600的电长度大于第一频段(例如GSM900频段)的中心频段(例如900MHz)对应波长的四分之一；也可以是指寄生枝节600的电长度大于第一频段(例如GSM900频段)中最小频率(例如890MHz)对应波长的四分之一。
可以理解的是，电长度可以是指有效电长度。一般而言，受到寄生枝节600形状、寄生枝节600电连接的电容、电阻、电感等器件的影响，寄生枝节600的电长度或有效电长度往往区别于寄生枝节600的实际物理长度。例如，如图18所示，当寄生枝节600上没有设置可改变有效电长度的调谐电路、匹配电路时，寄生枝节600的电长度可等于寄生枝节600两端部之间的物理长度。当寄生枝节600上还设置可改变有效电长度的调谐电路、匹配电路时，此时，寄生枝节600的电长度可大于或小于寄生枝节600两端部之间的物理长度。实际调试中，可以通过调整寄生枝节600的形状、电连接的电容、电感、电阻等器件，使得寄生枝节600的电长度大于第一频段对应波长的四分之一。其具体的调试方式在此不进行赘述。
本申请实施例的电子设备10，寄生枝节600的电长度大于第一频段对应波长的四分之一，当第一本体100和第二本体200相对折叠或滑动以使得至少部分第二本体200与第一本体100重叠时，天线单元300的辐射枝节320可与寄生枝节600电磁耦合，此时，寄生枝节600和天线单元300的辐射枝节320共同支持的第二频段的中心频率可低于天线单元300的辐射枝节320支持的第一频段的中心频率，寄生枝节600可以提高电子设备10折叠状态的天线系统的系统效率，从而使得电子设备10的辐射性能更优。
其中，请参考图20，图20为本申请实施例提供的电子设备10的第六种结构示意图。电子设备10还可以包括柔性显示屏700、电路板800和电源900。
柔性显示屏700可以形成电子设备10的显示面，用于显示图像、文本等信息。其中，柔性显示屏700可以包括液晶显示屏(Liquid Crystal Display，LCD)或有机发光二极管(Organic Light-Emitting Diode，OLED)显示屏等类型的显示屏。柔性显示屏700可以连接于第一本体100和第二本体200，并可以随第一本体100、第二本体200的折叠而折叠。
例如，柔性显示屏700的第一端可连接于第一本体100，柔性显示屏700的第二可连接于第二本体200。当第一本体100和第二本体200处于展开状态 时，柔性显示屏700可随着第一本体100和第二本体200的展开而使柔性显示屏700的第一端和第二端可处于同一平面，柔性显示屏700处于展开状态。当第一本体100和第二本体200处于重叠状态时，柔性显示屏700可随着第一本体100和第二本体200的折叠而也折叠，使得柔性显示屏700的第一端和第二端可以相互靠近或者完全相互靠近折叠在一起。可以理解的是，在图7和图8所示的实施例中，电子设备10可以在第一本体100和第二本体200中的一个上设置显示屏，该显示屏可以是柔性屏也可以是非柔性屏。该实施例中的显示屏可不随第一本体100和第二本体200的滑动而发生形态变化。
电路板800可以安装在第一本体100或者第二本体200上，电路板800可以为电子设备10的主板。电路板800上可以集成有处理器，此外还可以集成耳机接口、加速度传感器、陀螺仪、马达等功能组件中的一个或多个。其中，柔性显示屏700、馈源310、匹配电路可以设置在电路板800，以通过电路板800上的处理器对其进行控制。
电源900可以安装在第一本体100或者第二本体200上。同时，电源900可电连接至电路板800，以实现电源900为电子设备10供电。电路板800上可以设置有电源900管理电路。电源900管理电路用于将电源900提供的电压分配到电子设备10中的各个电子器件。
可以理解的是，以上仅为电子设备10的示例性举例，本申请实施例的电子设备10还可以包括摄像头、传感器、声电转换装置等部件，这些部件可以参见相关技术中的描述，在此不再赘述。
需要理解的是，在本申请的描述中，诸如“第一”、“第二”等术语仅用于区分类似的对象，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。
以上对本申请实施例提供的电子设备进行了详细介绍。本文中应用了具体个例对本申请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申请。同时，对于本领域的技术人员，依据本申请的思想，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申请的限制。

Claims (20)

  1. 一种电子设备，包括：
    第一本体，包括第一金属板；
    天线单元，设置于所述第一本体，所述天线单元用于传输激励信号；
    第二本体，包括第二金属板，所述第二本体可相对所述第一本体折叠或滑动，以使至少部分所述第二金属板与所述第一金属板重叠，并使所述第二金属板与所述第一金属板形成谐振腔，所述激励信号用于激励所述谐振腔形成第一谐振；及
    电连接件，至少部分所述第二金属板与所述第一金属板重叠时，所述电连接件分别与所述第一金属板和所述第二金属板电连接，以改变所述谐振腔的形态并使所述激励信号激励所述谐振腔形成不同于所述第一谐振的第二谐振。
  2. 根据权利要求1所述的电子设备，其中，所述电连接件包括：
    第一电连接部，设置于所述第一本体并与所述第一金属板电连接；及
    第二电连接部，设置于所述第二本体并与所述第二金属板电连接，至少部分所述第二金属板与所述第一金属板重叠时，所述第一电连接部与所述第二电连接部电连接。
  3. 根据权利要求2所述的电子设备，其中，所述第二电连接部上形成有凹槽，至少部分所述第二金属板与所述第一金属板重叠时，所述第一电连接部限位于所述凹槽内。
  4. 根据权利要求1所述的电子设备，其中，所述第一金属板上设有第一电连接区域，所述第二金属板上设有第二电连接区域；
    至少部分所述第二金属板与所述第一金属板重叠时，所述电连接件电连接于所述第一电连接区域，和/或，所述电连接件电连接于所述第二电连接区域。
  5. 根据权利要求4所述的电子设备，其中，所述第一电连接区域、所述第二电连接区域中的至少一个为所述第一谐振产生的电场强点区域。
  6. 根据权利要求1所述的电子设备，其中，所述第一金属板包括第一边缘，所述第二金属板包括第二边缘；
    至少部分所述第二金属板与所述第一金属板重叠时，所述电连接件电连接于所述第一边缘，和/或，所述电连接件电连接于所述第二边缘。
  7. 根据权利要求6所述的电子设备，其中，所述第一边缘和所述第二边缘为所述谐振腔的开口的边缘。
  8. 根据权利要求6所述的电子设备，其中，所述天线单元沿第一方向设置于所述第一本体，所述第一边缘和所述第二边缘沿所述第一方向设置。
  9. 根据权利要求8所述的电子设备，其中，所述电连接件分别电连接于 所述第一边缘的中心区域及所述第二边缘的中心区域。
  10. 根据权利要求1所述的电子设备，其中，至少部分所述第二金属板与所述第一金属板重叠时，所述电连接件设置于所述谐振腔内，或者，所述电连接件设置于所述谐振腔外。
  11. 根据权利要求1所述的电子设备，其中，所述电子设备还包括：
    转轴，所述转轴分别与所述第一本体和所述第二本体连接，以使得所述第二本体可相对所述第一本体折叠。
  12. 根据权利要求11所述的电子设备，其中，当所述转轴为金属材质的转轴时，所述第一金属板、所述转轴和所述第二金属板可共同形成所述谐振腔。
  13. 根据权利要求1所述的电子设备，其中，所述天线单元包括馈源和辐射枝节，所述馈源用于提供所述激励信号并电连接于所述辐射枝节，所述馈源和所述辐射枝节设置于所述第一本体。
  14. 根据权利要求12所述的电子设备，其中，所述第一金属板为接地平面，所述辐射枝节还包括接地端，所述接地端与所述第一金属板电连接而实现所述辐射枝节的接地。
  15. 根据权利要求12所述的电子设备，其中，所述天线单元还包括匹配电路，所述匹配电路电连接于所述馈源和所述辐射枝节之间，并用于对所述馈源传输所述激励信号时的阻抗进行匹配。
  16. 根据权利要求1所述的电子设备，其中，所述天线单元用于在所述激励信号的作用下支持B3频段的无线信号的传输。
  17. 根据权利要求1所述的电子设备，其中，所述第一本体还包括金属边框，所述金属边框上设有缝隙以形成金属枝节，所述天线单元包括所述金属枝节。
  18. 根据权利要求1所述的电子设备，其中，所述第一金属板接地，至少部分所述电连接件分别与所述天线单元和所述第一金属板电连接，以使所述天线单元通过所述电连接件和所述第一金属板接地。
  19. 根据权利要求1所述的电子设备，其中，所述电子设备还包括：
    寄生枝节，设置于所述第二主体，至少部分所述第二本体与所述第一本体重叠时，所述寄生枝节与所述天线单元电磁耦合并共同支持第二频段的无线信号。
  20. 根据权利要求18所述的电子设备，其中，所述天线单元在所述激励信号的作用下支持第一频段的信号，所述寄生枝节的电长度大于所述第一频段对应波长的四分之一。
PCT/CN2022/126275 2021-12-06 2022-10-19 电子设备 WO2023103604A1 (zh)

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CN109361062A (zh) * 2018-11-12 2019-02-19 维沃移动通信有限公司 移动终端
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US20200287274A1 (en) * 2017-09-12 2020-09-10 Zte Corporation Antenna for device and foldable device
CN109066100A (zh) * 2018-07-18 2018-12-21 深圳市深大唯同科技有限公司 一种抑制谐振的腔体馈电网络及天线
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