WO2021083223A1 - Unité d'antenne et dispositif électronique - Google Patents

Unité d'antenne et dispositif électronique Download PDF

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Publication number
WO2021083223A1
WO2021083223A1 PCT/CN2020/124435 CN2020124435W WO2021083223A1 WO 2021083223 A1 WO2021083223 A1 WO 2021083223A1 CN 2020124435 W CN2020124435 W CN 2020124435W WO 2021083223 A1 WO2021083223 A1 WO 2021083223A1
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WIPO (PCT)
Prior art keywords
arm
feeding arm
feeding
unit
present
Prior art date
Application number
PCT/CN2020/124435
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English (en)
Chinese (zh)
Inventor
邾志民
马荣杰
Original Assignee
维沃移动通信有限公司
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Filing date
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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 WO2021083223A1 publication Critical patent/WO2021083223A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/48—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

Definitions

  • the embodiments of the present invention relate to the field of communication technology, and in particular to an antenna unit and electronic equipment.
  • millimeter-wave antennas are gradually being used in various electronic devices to meet the increasing use demands of users.
  • millimeter wave antennas in electronic devices are mainly implemented through antenna in package (AiP) technology.
  • AiP technology can be used to integrate the array antenna 11, the radio frequency integrated circuit (RFIC) 12, and the power management integrated circuit (PMIC) 13 with a working wavelength of millimeter wave.
  • the connector 14 are packaged into a module 10, and the module 10 may be called a millimeter wave antenna module.
  • the antenna in the above-mentioned array antenna may be a patch antenna, a Yagi-Uda antenna, or a dipole antenna.
  • the antennas in the above-mentioned array antennas are usually narrowband antennas (such as the patch antennas listed above), the coverage frequency band of each antenna is limited, but the millimeter wave frequency bands planned in the 5G system are usually more, for example, 28GHz The main n257 (26.5GHz-29.5GHz) frequency band and the 39GHz main n260 (37.0GHz-40.0GHz) frequency band, etc., so the traditional millimeter wave antenna module may not be able to cover the mainstream millimeter wave frequency band planned in the 5G system , Resulting in poor antenna performance of electronic equipment.
  • the embodiments of the present invention provide an antenna unit and an electronic device to solve the problem that the millimeter wave antenna of the existing electronic device covers less frequency bands, resulting in poor antenna performance of the electronic device.
  • an embodiment of the present invention provides an antenna unit.
  • the antenna unit includes: a metal groove, M feed portions arranged at the bottom of the metal groove, and M feed arm units arranged in the metal groove And a first insulator, and a target radiator carried by the first insulator; wherein each feeding arm unit includes a first feeding arm, a second feeding arm electrically connected to the first end of the first feeding arm, and A third feeder arm electrically connected to the second feeder arm, and the second end of the first feeder arm in each feeder arm unit is electrically connected to a different feeder of the M feeders; each The third feeding arm in the feeding arm unit is coupled with the target radiator, or the first feeding arm, the second feeding arm and the third feeding arm in each feeding arm unit are all coupled with the target radiator, M is an integer greater than 1.
  • an embodiment of the present invention provides an electronic device, which includes the antenna unit in the above-mentioned first aspect.
  • the antenna unit may include: a metal groove, M power feeding portions arranged at the bottom of the metal groove, M feeding arm units and a first insulator arranged in the metal groove, and a first insulator.
  • the second end of the first feeder arm in each feeder arm unit is electrically connected to different feeders in the M feeders; the third feeder in each feeder arm unit
  • the electric arm is coupled with the target radiator, or the first, second, and third feeding arms in each feeding arm unit are all coupled with the target radiator, and M is an integer greater than 1.
  • both the second feeding arm and the third feeding arm can be coupled with the target radiator, so when the feeding arm unit receives an AC signal, by coupling with the target radiator, the target radiator can generate an induced AC signal , And the current path of the induced current generated on the target radiator is short, so the target radiator can radiate high-frequency electromagnetic waves.
  • the third feeding arm in the feeding arm unit can be coupled with the target radiator, when the feeding part transmits an AC signal to one feeding arm unit, the third feeding arm in the feeding arm unit It can be coupled with the target radiator.
  • Both the target radiator and the third feeding arm can generate induced current.
  • the target radiator After the target radiator generates the induced current, the target radiator can be connected to the third feeding arm unit. Arm coupling, the other feeding arm unit can generate induced current, so the current path through the feeding arm unit and the target radiator can have many kinds (for example, the current path formed on one feeding arm unit, one feeding arm The current path from the unit to the target radiator and then to another feeding arm unit, etc.), and these current paths are long, so that the feeding arm unit and the target radiator can radiate low-frequency electromagnetic waves outward.
  • the antenna unit can cover multiple frequency bands of the millimeter wave (for example, the high-frequency band n260 and the low-frequency band n257), so that the bandwidth covered by the antenna unit can be increased.
  • FIG. 1 is a schematic structural diagram of a traditional millimeter wave package antenna provided by an embodiment of the present invention
  • FIG. 2 is one of the exploded views of the antenna unit provided by the embodiment of the present invention.
  • Fig. 3 is a reflection coefficient diagram of an antenna unit provided by an embodiment of the present invention.
  • FIG. 4 is a cross-sectional view of an antenna unit provided by an embodiment of the present invention.
  • FIG. 5 is a top view of an antenna unit provided by an embodiment of the present invention.
  • Fig. 6 is the second exploded view of the antenna unit provided by the embodiment of the present invention.
  • FIG. 7 is one of the schematic diagrams of the hardware structure of an electronic device provided by an embodiment of the present invention.
  • FIG. 8 is a second schematic diagram of the hardware structure of an electronic device provided by an embodiment of the present invention.
  • FIG. 9 is one of the radiation patterns of the antenna unit provided by the embodiment of the present invention.
  • FIG. 10 is the second radiation pattern diagram of the antenna unit provided by the embodiment of the present invention.
  • Fig. 11 is a bottom view of an electronic device provided by an embodiment of the present invention.
  • first and second in the specification and claims of the present invention are used to distinguish different objects, rather than to describe a specific order of objects.
  • first feeding arm and the second feeding arm are used to distinguish different feeding arms, rather than describing the specific order of the feeding arms.
  • words such as “exemplary” or “for example” are used as examples, illustrations, or illustrations. Any embodiment or design solution described as “exemplary” or “for example” in the embodiment of the present invention should not be construed as being more preferable or advantageous than other embodiments or design solutions. To be precise, words such as “exemplary” or “for example” are used to present related concepts in a specific manner.
  • multiple refers to two or more than two, for example, multiple antenna elements refers to two or more antenna elements, etc.
  • Coupling refers to the close coordination and mutual influence between the input and output of two or more circuit elements or electrical networks, and energy can be transmitted from one side to the other through the interaction.
  • the “coupling” in the embodiment of the present invention can be used to indicate that the coupled components (such as the M feed arms and metal grooves in the embodiment) can be coupled when the antenna unit is working; Under working conditions, these parts are insulated from each other.
  • the coupled components such as the M feed arms and metal grooves in the embodiment
  • AC signal A signal that changes the direction of current.
  • MIMO Multiple-input multiple-output
  • transmitting end that is, the transmitting end and the receiving end
  • signals can be sent or received through multiple antennas at the transmitting end.
  • Relative permittivity A physical parameter used to characterize the dielectric properties or polarization properties of dielectric materials.
  • PCB printed circuit board
  • Embodiments of the present invention provide an antenna unit and electronic equipment.
  • the antenna unit may include: a metal groove, M feeders arranged at the bottom of the metal groove, M feed arm units arranged in the metal groove, and A first insulator, and a target radiator carried by the first insulator; wherein each feed arm unit includes a first feed arm, a second feed arm electrically connected to the first end of the first feed arm, and The second feeder arm is electrically connected to the third feeder arm, and the second end of the first feeder arm in each feeder arm unit is electrically connected to different feeders of the M feeders; each feeder The third feeding arm in the arm unit is coupled with the target radiator, or the first feeding arm, the second feeding arm, and the third feeding arm in each feeding arm unit are all coupled with the target radiator, M is An integer greater than 1.
  • both the second feeding arm and the third feeding arm can be coupled with the target radiator, so when the feeding arm unit receives an AC signal, by coupling with the target radiator, the target radiator can generate an induced AC signal , And the current path of the induced current generated on the target radiator is short, so the target radiator can radiate high-frequency electromagnetic waves.
  • the third feeding arm in the feeding arm unit can be coupled with the target radiator, when the feeding part transmits an AC signal to one feeding arm unit, the third feeding arm in the feeding arm unit It can be coupled with the target radiator.
  • Both the target radiator and the third feeding arm can generate induced current.
  • the target radiator After the target radiator generates the induced current, the target radiator can be connected to the third feeding arm unit. Arm coupling, the other feeding arm unit can generate induced current, so the current path through the feeding arm unit and the target radiator can have many kinds (for example, the current path formed on one feeding arm unit, one feeding arm The current path from the unit to the target radiator and then to another feeding arm unit, etc.), and these current paths are long, so that the feeding arm unit and the target radiator can radiate low-frequency electromagnetic waves outward.
  • the antenna unit can cover multiple frequency bands of the millimeter wave (for example, the high-frequency band n260 and the low-frequency band n257), so that the bandwidth covered by the antenna unit can be increased.
  • the antenna unit provided in the embodiment of the present invention can be applied to electronic equipment, and can also be applied to other equipment that needs to use the antenna unit, and can be specifically determined according to actual use requirements, which is not limited in the embodiment of the present invention.
  • the antenna unit provided in the embodiment of the present invention will be exemplarily described below by taking the antenna unit applied to an electronic device as an example.
  • the antenna unit provided by the embodiment of the present invention will be exemplarily described below with reference to the various drawings.
  • the antenna unit 20 may include a metal groove 201, M power feeders 202 arranged at the bottom of the metal groove 201, M feed arm units and a first insulator 203 arranged in the metal groove 201 , And the target radiator 204 carried by the first insulator.
  • each of the above M feed arm units includes a first feed arm 205, which is electrically connected to the first end 205a of the first feed arm
  • the second feeding arm 206, and the third feeding arm 207 electrically connected to the second feeding arm 206, the second end 205b of the first feeding arm in each feeding arm unit and the aforementioned M feeding parts
  • the different feeders in each feeder arm unit are electrically connected; the third feeder arm 207 in each feeder arm unit is coupled with the target radiator 204, or the first feeder arm 205 and the second feeder in each feeder arm unit
  • Both the arm 206 and the third feeding arm 207 are coupled to the target radiator 204, and M is an integer greater than one.
  • first end of the first feeding arm in the feeding arm unit may be the feeding point of the antenna unit provided in the embodiment of the present invention.
  • FIG. 2 is an exploded view of the antenna unit, that is, the component parts of the antenna unit are all in a separated state.
  • the above-mentioned M feeders, the first feeder arm, the second feeder arm and the third feeder arm in each feeder arm unit, the first insulator and the target radiator are all set in the metal recess.
  • M power feeders, M feeder arm units, the first insulator, and the target radiator form a whole to form an antenna unit provided by an embodiment of the present invention.
  • first end 205a of the first feeding arm and the second feeding arm 206 in FIG. 2 are not shown in an electrically connected state, and the second end 205b of the first feeding arm and the feeding portion 202 are also not electrically connected. The status is shown.
  • first end 205 a of the first feeding arm may be electrically connected to the second feeding arm 206, and the second end 205 b of the first feeding arm may be electrically connected to the feeding portion 202.
  • the first end of the first feeding arm in each of the aforementioned feeding arm units may be electrically connected to the first end of the second feeding arm, and the second end of the second feeding arm may be electrically connected to the first end of the second feeding arm.
  • the terminal may be electrically connected to the first terminal of the third feeding arm.
  • the first feed arm, the second feed arm, and the third feed arm in one feed arm unit may be integrated Formed or assembled.
  • the details can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the structures of the first feeder arm, the second feeder arm, and the third feeder arm in the feeder arm unit may be completely the same, or may be partially the same, or may be completely different. Specifically, it can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the first feeding arm and the third feeding arm in the feeding arm unit may be metal sheets, and the second feeding arm may be a metal column; or, the first feeding arm, The second feeding arm and the third feeding arm may both be metal sheets.
  • the following specifically takes an antenna unit as an example to exemplarily describe the working principle of the antenna unit provided in the embodiment of the present invention for transmitting and receiving signals.
  • the signal source in the electronic device When the electronic device sends a 5G millimeter wave signal, the signal source in the electronic device will send out an AC signal, and the AC signal can be transmitted to the feed arm unit through the feeder. Then, after the AC signal is received by the feeding arm unit, the first feeding arm, the second feeding arm, and the third feeding arm in the feeding arm unit can be coupled with the target radiator, so that the target radiator generates induction
  • the current path of the induced current on the target radiator is short, so that the target radiator can radiate high-frequency electromagnetic waves from the body; and there is a current flowing through the third feeding arm in the feeding arm unit
  • the third feeding arm can be coupled with the target radiator, so that the target radiator and the third feeding arm can generate induced current.
  • the target radiator After the target radiator generates the induced current, the target radiator can be connected to another feeding arm.
  • the third feeder arm in the unit is coupled, so that the other feeder arm unit can generate induced current, so that the current path through the feeder arm unit and the target radiator is long (for example, the feeder arm unit (specifically can be Is the current path formed on the first feeder arm, the second feeder arm, and the third feeder arm), the current path from one feeder arm unit to the target radiator, and then to the other feeder arm unit, etc.), so
  • the feed arm unit and the target radiator can radiate a variety of low-frequency electromagnetic waves. Therefore, the electronic device can transmit signals of different frequencies through the antenna unit provided in the embodiment of the present invention.
  • electromagnetic waves in the space where the electronic device is located can excite the target radiator, so that the target radiator can generate an induced current (ie, an induced AC signal). ).
  • the target radiator can be coupled with the third feeding arm in the feeding arm unit, or with the first feeding arm, the second feeding arm, and the first feeding arm in the feeding arm unit.
  • the three feeding arms are coupled so that the feeding arm unit can generate induced AC signals.
  • the power feed arm unit can input the AC signal to the receiver in the electronic device through the power feeder, so that the electronic device can receive the 5G millimeter wave signal sent by other devices. That is, the electronic device can receive signals through the antenna unit provided in the embodiment of the present invention.
  • the frequency range covered by the antenna unit can be 25GHz-41.4GHz.
  • the frequency range can include multiple millimeter wave frequency bands (such as n257, n260 and n261).
  • the frequency range covered by the antenna unit can be 26GHz-29.5GHz and 35.544GHz-40.2GHz, and the frequency range can also include multiple millimeter wave frequency bands (such as n257, n260, and n261), as provided by this invention embodiment
  • the antenna unit can cover most 5G millimeter wave frequency bands, which can improve the antenna performance of electronic devices.
  • the antenna unit when the return loss of an antenna unit is less than -6dB, the antenna unit can meet actual use requirements; when the return loss of an antenna unit is less than -10dB, the antenna unit’s return loss Work performance is better. That is, the antenna unit provided by the embodiment of the present invention can ensure better working performance on the basis of meeting actual use requirements.
  • point a, point b, point c, and point d in Figure 3 above are used to mark the return loss value. It can be seen from Figure 3 that the return loss value marked by point a is -6.087dB, and the value marked by point b The value of return loss is -6.1037dB, the value of return loss marked at point c is -10.001dB, and the value of return loss marked at point d is -10.046dB.
  • the embodiment of the present invention provides an antenna unit, since the first end of the first feeding arm in the feeding arm unit is electrically connected to the second feeding arm, and the second feeding arm is electrically connected to the third feeding arm, and The first feeding arm, the second feeding arm and the third feeding arm can all be coupled with the target radiator. Therefore, when the feeding arm unit receives an AC signal, the target can be radiated by coupling with the target radiator. The body generates an induced AC signal, and the current path of the induced current generated on the target radiator is short, so the target radiator can radiate high-frequency electromagnetic waves outward.
  • the third feeding arm in the feeding arm unit can be coupled with the target radiator, when the feeding part transmits an AC signal to one feeding arm unit, the third feeding arm in the feeding arm unit It can be coupled with the target radiator, the target radiator can generate an induced current, and after the target radiator generates the induced current, the target radiator can be coupled with the third feeding arm in another feeding arm unit, and the other feeding The arm unit can generate induced current, so the current path through the feed arm unit and the target radiator can have multiple paths (for example, a current path formed on a feed arm unit, a feed arm unit to the target radiator, and then to the target radiator).
  • the antenna unit can cover multiple frequency bands of the millimeter wave (for example, the high-frequency band n260 and the low-frequency band n257), so that the bandwidth covered by the antenna unit can be increased.
  • the above-mentioned metal groove may be a rectangular groove or a circular groove.
  • the above-mentioned metal grooves may also be metal grooves of any possible shape, which may be specifically determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the shape of the metal groove may be used to indicate the shape of the opening of the metal groove. That is, when the metal groove is a rectangular groove, the shape of the opening of the metal groove may be a rectangle; when the metal groove is a circular groove, the shape of the opening of the metal groove may be a circle.
  • a groove of a suitable shape can be selected as the metal groove in the antenna unit provided by the embodiment of the present invention according to the actual use requirements of the antenna unit. Slot so that the antenna unit can work in the 5G millimeter wave frequency band.
  • the implementation of the present invention can be achieved by setting the metal grooves as regular-shaped grooves (for example, rectangular grooves or circular grooves, etc.).
  • the performance of the antenna unit provided in the example is relatively stable, so that the performance of the antenna unit can be improved.
  • the aforementioned M power feeding portions may penetrate the bottom of the metal groove and be insulated from the metal groove.
  • the first end of the power feeder can be electrically connected to the second end 205b of the first power feeder arm in the power feeder arm unit, and the second end (not shown) of the power feeder (Shown in FIG. 2) can be electrically connected to a signal source in an electronic device (for example, a 5G signal source in an electronic device).
  • a signal source in an electronic device for example, a 5G signal source in an electronic device.
  • the current emitted by the signal source in the electronic device can be transmitted to the first, second, and third feeding arms in the feeding arm unit through the feeding part, so that the The current of the signal source is transmitted to the antenna unit, so that the antenna unit can work normally.
  • the first feeding arm and the third feeding arm in each feeding arm unit may be parallel to the surface where the opening of the metal groove is located, and the first feeding arm in each feeding arm unit
  • the second feeding arm may be perpendicular to the first feeding arm and the third feeding arm.
  • FIG. 4 it is a cross-sectional view of an antenna unit provided by an embodiment of the present invention.
  • the first feeding arm 205 and the third feeding arm 207 in the feeding arm unit can be parallel to the surface where the opening of the metal groove 201 is located
  • the second feeding arm 206 in the feeding arm unit can be parallel to the surface where the opening of the metal groove 201 is located.
  • the surface where the opening of the metal groove 201 is located is perpendicular, that is, the second feeding arm 206 in the feeding arm unit is perpendicular to the first feeding arm 205 and the third feeding arm 207.
  • the positional relationship between the first feeder arm, the second feeder arm and the third feeder arm in the feeder arm unit may also be any other possible positional relationship.
  • the angle between the first and third feeding arms in the feeding arm unit and the surface where the opening of the metal groove is located is less than 90 degrees, and the second feeding arm and the first feeding arm in the feeding arm unit are all less than 90 degrees.
  • the power arm and the third power feed arm are perpendicular; or, the first power feed arm and the third power feed arm in the power feed arm unit are both parallel to the surface where the metal groove opening is located, and the second power feed arm in the power feed arm unit
  • the included angle with the first feeder arm is less than 90 degrees
  • the included angle between the second feeder arm and the third feeder arm in the feeder arm unit is greater than 90 degrees, and so on.
  • the working performance of the antenna unit may be different. Therefore, the positional relationship of the first feed arm, the second feed arm and the third feed arm in the feed arm unit can be set according to the actual use requirements of the antenna unit, so that the antenna unit provided by the embodiment of the present invention can be Work in the 5G millimeter wave frequency band.
  • the antenna unit provided by the embodiment of the present invention can be enlarged. Covered frequency band.
  • the third feeding arm in each feeding arm unit described above may be located on the same plane as the target radiator.
  • the positional relationship between the third feeder arm in the feeder arm unit and the target radiator can also be any other possible positional relationship, which can be specifically determined according to actual usage requirements.
  • This embodiment of the present invention does not limited.
  • the third feeding arm in the feeding arm unit can be coupled with the target radiator, when the third feeding arm and the target radiator are located on the same plane, a third feeding arm can be added
  • the coupling area with the target radiator can be reduced, and the distance between the first feeding arm and the target radiator can be reduced, so that the coupling amount between the third feeding arm and the target radiator can be increased, thereby increasing The working performance of the antenna unit provided by the embodiment of the present invention.
  • the above-mentioned target radiator may be a polygonal radiator or a circular radiator.
  • the aforementioned polygonal radiator may be any possible polygonal radiator, such as a rectangular radiator, a hexagonal radiator, an octagonal radiator, and the like. Specifically, it can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the embodiment of the present invention only exemplarily illustrates the target radiator by taking the target radiator as a polygonal radiator or a circular radiator as an example, which does not impose any limitation on the application.
  • the target radiator can also be any other possible radiator, which can be specifically determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the projection of the target radiator on the first plane may intersect the first feeding arm in each feeding arm unit described above.
  • the above-mentioned first plane may be a plane where the first feeding arm in each of the above-mentioned feeding arm units is located.
  • the first feeding arm in each of the foregoing feeding arm units may be located on the same plane.
  • each feed arm unit can meet the coupling connection relationship with the target radiator (that is, when the antenna unit is working, each feed arm unit (specifically can Is that the first feed arm, the second feed arm and the third feed arm in the first feed arm unit are all coupled with the target radiator; when the antenna unit is not working, each feed arm unit is Can be insulated from the target radiator).
  • the surface of the target radiator 204 and the surface of the third feeding arm 207 in each feeding arm unit are all aligned with the surface where the opening of the metal groove 201 is located. level.
  • the third feeding arm and the target radiator in the aforementioned feeding arm unit may also be located at other positions in the metal groove.
  • the third feeding arm and the target radiator may both be lower than the metal groove.
  • the surface where the opening is located can be specifically determined according to actual usage requirements, which is not limited in the embodiment of the present invention.
  • the performance of the antenna unit may also be different. Therefore, the third feeding arm and the target radiator may be set in accordance with actual usage requirements.
  • the position in the metal groove can make the design of the antenna unit more flexible.
  • the third feeding arm and the surface of the target radiator are flush with the surface where the opening of the metal groove is located, the third feeding arm and the target radiator can directly radiate electromagnetic waves outward, which can reduce the number of metal grooves.
  • the influence of other components inside on the third feeding arm and the target radiator can improve the radiation performance of the antenna unit provided by the embodiment of the present invention.
  • the distance between the first end of the first feeding arm in each feeding arm unit and the center of the metal groove may be greater than the distance between the second end of the first feeding arm and the center of the metal groove. The distance between the centers of the metal grooves.
  • the distribution direction of the first feeding arm in the metal groove may be a direction from the center of the metal groove to the side wall of the metal groove.
  • the distance between the first end of the first feeding arm and the center of the metal groove is greater than the distance between the second end of the first feeding arm and the center of the metal groove as
  • the examples are exemplified, and they do not impose any limitation on this application.
  • the above-mentioned first feeding arm may also be arranged in the metal groove in any possible distribution manner, which may be specifically determined according to actual use requirements, which is not limited in the embodiment of the present invention.
  • the antenna unit may include two feeder arm unit groups, and each feeder arm unit group includes two feeder arm units, the electronic device can be fed through the two feeder arm units in the antenna unit.
  • the arm unit groups send signals or receive signals respectively, that is, the MIMO technology can be realized by the antenna unit provided in the embodiment of the present invention, so that the communication capacity and communication rate of the antenna unit can be increased, that is, the data transmission rate of the antenna unit can be increased.
  • the above two feed arm units are grouped into a first feed arm unit group and a second feed arm unit group.
  • the first feeding arm unit group and the second feeding arm unit group respectively include two feeding arm units arranged symmetrically, and the symmetry axis of the first feeding arm unit group is the same as that of the second feeding arm unit group.
  • the axis of symmetry is orthogonal.
  • the aforementioned first feed arm unit group and the aforementioned second feed arm unit group may be two different polarized feed arm unit groups.
  • the first feed arm unit group may be a first polarized feed arm unit group
  • the second feed arm unit group may be a second polarized feed arm unit group.
  • the aforementioned first feeding arm unit group may include a first feeding arm unit 2080 and a second feeding arm unit 2081, and the aforementioned second feeding arm unit group may include a third feeding arm unit 2082 and a fourth feeding arm unit. 2083.
  • first feed arm unit group formed by the first feed arm unit 2080 and the second feed arm unit 2081 may be a first polarized feed arm unit group (for example, a horizontally polarized feed arm unit group) ;
  • the second feed arm unit group formed by the third feed arm unit 2082 and the fourth feed arm unit 2083 may be a second polarized feed arm unit group (for example, a vertically polarized feed arm unit group).
  • FIG. 5 is a top view of the antenna unit provided by an embodiment of the present invention on the reverse of the Z axis, the coordinate system in FIG. 5 only illustrates the X axis and the Y axis.
  • the foregoing first polarization and second polarization may be polarizations in different directions.
  • the first polarization may be +45° polarization or horizontal polarization; the second polarization may be -45° polarization or vertical polarization.
  • the polarization direction of the first polarization and the polarization direction of the second polarization may also be any other possible polarization directions. Specifically, it can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the first feed arm unit group and the second feed arm unit group may be two feed arm unit groups with different polarizations (first polarization and second polarization)
  • the antenna unit provided by the embodiment of the present invention can be formed into a dual-polarized antenna unit, which can improve the wireless connection capability of the antenna unit, thereby reducing the probability of communication disconnection of the antenna unit, that is, improving the communication capability of the antenna unit .
  • the other feed arm unit in the first feed arm unit group when one feed arm unit in the first feed arm unit group is in the working state, the other feed arm unit in the first feed arm unit group may also be in the working state .
  • the other feeding arm unit in the second feeding arm unit group when one feeding arm unit in the working state, the other feeding arm unit in the second feeding arm unit group may also be in the working state. That is, the feeding arm units in the same feeding arm unit group can work at the same time.
  • the feeding arm unit in the first feeding arm unit group when the feeding arm unit in the first feeding arm unit group is in the working state, the feeding arm unit in the second feeding arm unit group may or may not be in the working state. In working condition. Specifically, it can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the cross section of the opening of the metal groove may be rectangular, the above-mentioned M power feeders may be four power feeders, and two of the four power feeders may be located in the metal On one symmetry axis of the groove, the other two of the four power feeding portions may be located on the other symmetry axis of the metal groove.
  • the two feeders electrically connected to the first feeder arm in the first feeder arm unit and the first feeder arm in the second feeder arm unit may be located in metal On a symmetry axis of the groove
  • the two feeding parts electrically connected to the first feeding arm in the third feeding arm unit and the first feeding arm in the fourth feeding arm unit may be located in the metal groove On the other axis of symmetry.
  • the feeding part electrically connected to the first feeding arm in the electric arm unit 2081 may be located on the first symmetry axis L1 of the metal groove
  • the portion and the feeding portion electrically connected to the first end of the first feeding arm in the fourth feeding arm unit 2083 may be located on the second symmetry axis L2 of the metal groove.
  • the signal sources electrically connected to the two feeders located on the same axis of symmetry have the same amplitude and a phase difference of 180 degrees.
  • the first feed arm unit group and the second feed arm unit group may be two feed arm unit groups distributed orthogonally, and are similar to those in the above-mentioned first feed arm unit group.
  • the two feeders electrically connected to the first feeder arm (specifically the second end of the first feeder arm) in the feeder arm unit (the above-mentioned first feeder arm unit and the second feeder arm unit) The amplitudes of the connected signal sources are the same, and the phase difference is 180 degrees.
  • Signals that are electrically connected to the two feeders electrically connected to the first feeder arm in the feeder arm unit (the third feeder arm unit and the fourth feeder arm unit) in the second feeder arm unit group The amplitudes of the sources are equal, and the phases are 180 degrees out of phase.
  • the above-mentioned first feeding arm unit group and the second feeding arm unit group can be distributed orthogonally, and with The signal sources electrically connected to the two feeders electrically connected to the first feeder arm in the feeder arm unit in the same feeder arm unit group have the same amplitude and a phase difference of 180 degrees, which makes the embodiment of the present invention
  • the provided antenna unit feeding method is a differential orthogonal feeding method, so that the data transmission rate of the antenna unit can be further improved, that is, the communication capacity and communication rate of the antenna unit can be further improved.
  • the cross-sectional shape of the first insulator may be the same as the opening shape of the metal groove. Any possible shape such as rectangle or circle.
  • the cross-sectional shape of the above-mentioned first insulator may also be any shape that can meet actual use requirements. Specifically, it can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the material of the above-mentioned first insulator may be any possible material such as plastic or foam; it can be specifically determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the material of the above-mentioned first insulator may be an insulating material with relatively small relative permittivity and loss tangent, which may be determined according to actual usage requirements, which is not limited in the embodiment of the present invention.
  • the relative dielectric constant of the material of the first insulator may be 2.53, and the loss tangent value may be 0.003.
  • the smaller the loss tangent value of the material of the first insulator the smaller the influence of the first insulator on the radiation effect of the antenna unit.
  • the smaller the loss tangent value of the material of the first insulator is, the less the first insulator affects the working performance of the antenna unit, and the better the radiation effect of the antenna unit.
  • the target radiator may be carried on the above-mentioned first insulator, or may be carried in the first insulator. Specifically, it can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the antenna unit 20 may further include a second insulator 209 disposed between the first insulator 203 and the bottom of the metal groove 201, and the second insulator 209 may carry each A part of the first feeding arm 205 and the second feeding arm 206 in the feeding arm unit.
  • the other part of the second feeding arm 206 and the third feeding arm 207 in each feeding arm unit may be located in the first insulator 203, and the first feeding arm 205 in each feeding arm unit Both ends are electrically connected to different ones of the M power feeders in the second insulator 209.
  • first feed arm, the second feed arm, and the third feed arm in the feed arm unit may also be distributed in any possible of the first insulator and the second insulator. Positions, for example, the first, second, and third feed arms in the feed arm unit are all distributed in the second insulator, and so on. Specifically, it can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the first feeding arm 205 in each feeding arm unit described above may be carried on the second insulator 209, and the second feeding arm in each feeding arm unit
  • the arm 206 and the third feeding arm 207 may be carried on the first insulator 203.
  • the material of the second insulator and the material of the above-mentioned first insulator may be the same or different. Specifically, it can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the material of the above-mentioned second insulator in the embodiment of the present invention may also be an insulating material with relatively small relative permittivity and loss tangent. Specifically, it can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the relative dielectric constant of the material of the second insulator may be 2.8, and the loss tangent value may be 0.001.
  • the smaller the loss tangent value of the material of the second insulator, the radiation effect of the second insulator on the antenna unit The smaller the impact. That is to say, the smaller the loss tangent value of the material of the second insulator, the smaller the influence of the second insulator on the working performance of the antenna unit, and the better the radiation effect of the antenna unit.
  • the bottom of the metal groove 201 may also be provided with M through holes 210 penetrating the bottom of the metal groove 201, and each of the above-mentioned M power feeders feeds
  • the parts 202 may be respectively disposed in one through hole 210.
  • the above-mentioned M through holes may be through holes with the same diameter.
  • the above-mentioned M through holes may be distributed on the symmetry axis of the metal groove.
  • the distribution positions of the M through holes at the bottom of the metal groove can be specifically determined according to the above-mentioned distribution positions of the M power feeding parts at the bottom of the metal groove.
  • a third insulator may be provided in each of the above-mentioned M through holes, and the third insulator may wrap the feeder provided in the through hole.
  • the third insulator, the power feeding portion, and the through holes provided in the metal groove may form a coaxial transmission structure with a characteristic impedance of 50 ohms.
  • the above-mentioned third insulator wraps the power feeding part provided in the through hole, so that the power feeding part can be fixed in the through hole.
  • a plurality of through holes 210 are provided at the bottom of the metal groove 201, and each through hole 210 is provided with a third insulator 211, and the power feeding portion 202 may pass through the second insulator provided in the through hole 210.
  • the three insulators 211 are electrically connected to the first feeding arm 205 (specifically, the second end of the first feeding arm) in the second insulator 209.
  • the signal source 30 electrically connected to the other end of the power feeder 202 in FIG. 4 may be a millimeter wave signal source in an electronic device.
  • the material of the third insulator may be an insulating material with a relatively small relative permittivity.
  • the material of the aforementioned third insulator may be any possible material such as foam material or plastic material.
  • the material of the third insulator and the first insulator may be the same insulating material, or may be different insulating materials. Specifically, it can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the diameter of the through hole may be larger than the diameter of the power feeding part
  • the power feeding part when the power feeding part is provided in the through hole, the power feeding part may not be fixed in the through hole, so the through hole may not be fixed in the through hole.
  • the above-mentioned third insulator is arranged in the hole, and the way in which the third insulator is arranged to wrap the power feeding part can make the power feeding part be fixed in the through hole.
  • the metal groove and the feeding part are made of metal, during the operation of the antenna unit, the two may contact and cause a short circuit. Therefore, the above-mentioned third insulator can be added to the through hole. , Isolate the power feeding part and the metal groove, so that the power feeding part is insulated from the metal groove, so that the antenna performance of the electronic device can be more stable.
  • the antenna units shown in each of the foregoing drawings are all exemplified in conjunction with a drawing in the embodiment of the present invention.
  • the antenna units shown in each of the above figures can also be implemented in combination with any other figures illustrated in the above embodiments that can be combined, and will not be repeated here.
  • An embodiment of the present invention provides an electronic device, and the electronic device may include the antenna unit provided in any one of the above-mentioned embodiments in FIG. 2 to FIG. 6.
  • the antenna unit may include the antenna unit provided in any one of the above-mentioned embodiments in FIG. 2 to FIG. 6.
  • the antenna unit reference may be made to the relevant description of the antenna unit in the foregoing embodiment, which will not be repeated here.
  • the electronic device in the embodiment of the present invention may be a mobile electronic device or a non-mobile electronic device.
  • the mobile electronic device may be a mobile phone, a tablet computer, a notebook computer, a handheld computer, a vehicle terminal, a wearable device, an ultra-mobile personal computer (UMPC), a netbook, or a personal digital assistant (personal digital assistant).
  • the non-mobile electronic device may be a personal computer (PC), a television (television, TV), a server, or a teller machine, etc., which is not specifically limited in the embodiment of the present invention.
  • the housing of the electronic device may be provided with at least one first groove, and each of the at least one first groove may be provided with at least one first groove provided in the embodiment of the present invention.
  • the antenna unit may be provided with at least one first groove, and each of the at least one first groove may be provided with at least one first groove provided in the embodiment of the present invention.
  • the above-mentioned at least one first groove may be provided in the housing of the electronic device, and at least one antenna unit provided in the embodiment of the present invention may be arranged in each first groove, so that the electronic device At least one antenna unit provided in an embodiment of the present invention is integrated, so that an antenna array composed of the antenna units provided in the embodiment of the present invention can be formed in an electronic device.
  • the above-mentioned first groove may be provided in the frame of the housing of the electronic device.
  • the electronic device 4 may include a housing 40.
  • the housing 40 may include a first metal frame 41, a second metal frame 42 connected to the first metal frame 41, a third metal frame 43 connected to the second metal frame 42, and the third metal frame 43 and the first metal frame. 41 are connected to the fourth metal frame 44.
  • the electronic device 4 may further include a floor 45 connected to both the second metal frame 42 and the fourth metal frame 44, and a floor 45 which is arranged in the third metal frame 43, a part of the second metal frame 42, and a part of the fourth metal frame 44.
  • the first antenna 46 of the area (specifically, these metal frames may also be a part of the first antenna). Wherein, a first groove 47 is provided on the second metal frame 42.
  • the antenna unit provided in the embodiment of the present invention can be disposed in the first groove, so that the electronic device can include the array antenna module formed by the antenna unit provided in the embodiment of the present invention, and the integration of the device in the electronic device can be realized.
  • the above-mentioned floor can be a PCB, a metal middle frame in an electronic device, or a display screen of an electronic device, etc., which can be any part that can be used as a virtual ground.
  • the above-mentioned first antenna may be a second-generation mobile communication system (ie 2G system), a third-generation mobile communication system (ie 3G system), and a fourth-generation mobile communication system of an electronic device.
  • the communication antenna of the system ie 4G system and other systems.
  • the antenna unit an antenna unit formed by metal grooves, M feeders, M feed arm units and other components integrated in the electronic device in the embodiment of the present invention may be an antenna of the 5G system of the electronic device.
  • the first metal frame, the second metal frame, the third metal frame, and the fourth metal frame may be connected end to end in sequence to form a closed frame; or, the first metal frame, the second metal frame Part of the frame, the third metal frame, and the fourth metal frame may be connected to form a semi-closed frame; or, the first metal frame, the second metal frame, the third metal frame, and the fourth metal frame may not be connected to each other to form a semi-closed frame; Open border. Specifically, it can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the frame 40 included in the housing 40 shown in FIG. 7 is a closed frame formed by connecting the first metal frame 41, the second metal frame 42, the third metal frame 43, and the fourth metal frame 44 sequentially. It is taken as an example for illustrative description, which does not impose any limitation on the embodiment of the present invention.
  • the frame formed by other connection methods partial frame connection or non-connection of each frame
  • the implementation manner is the same as that of the embodiment of the present invention.
  • the implementations provided are similar, and to avoid repetition, I won’t repeat them here.
  • the above-mentioned at least one first groove may be arranged in the same frame of the housing, or may be arranged in different frames. Specifically, it can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • multiple first grooves may be provided on the housing of the electronic device, so that multiple antenna units provided in the embodiment of the present invention may be provided in the electronic device, so that the electronic device Including multiple antenna units to improve the antenna performance of the electronic device.
  • the distance between two adjacent first grooves can be reduced, that is, the distance between two adjacent antenna units can be reduced
  • the M feed arm units in the antenna unit specifically, the first feed arm, the second feed arm and the second feed arm in the feed arm unit can be increased.
  • the third feeding arm) and the scanning angle of the electromagnetic wave beam radiated by the target radiator so that the scanning range of the millimeter wave communication antenna of the electronic device can be increased.
  • the metal groove in the antenna unit may be a part of the housing of the electronic device. It can be understood that the metal groove may be a groove provided on the housing of the electronic device.
  • the housing of the electronic device may be a radiator of a non-millimeter wave antenna in the electronic device.
  • the housing of the electronic device can also be used as the radiator of the non-millimeter wave antenna in the electronic device, so that the antennas (millimeter wave antenna and non-millimeter wave antenna) in the electronic device can be integrated into one body, which can greatly Reduce the space occupied by the antenna in the electronic device.
  • the above-mentioned metal groove may be provided on the metal frame of the housing of the electronic device.
  • the housing 40 of the electronic device 4 provided by the embodiment of the present invention may be provided with at least one metal groove 201, M feed arm units and M feed parts in the antenna unit Components such as those can be arranged in the metal groove 201 (in practice, the metal groove is not visible at the angle of the electronic device shown in FIG. 8).
  • a metal groove may be provided in any one of the first metal frame, the second metal frame, the third metal frame, and the fourth metal frame of the housing. Specifically, it can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the sidewalls of the metal groove, the bottom of the metal groove, etc. in the embodiment of the present invention can all be electronic devices.
  • a part of may specifically be a part of the frame of the housing provided by the embodiment of the present invention.
  • FIG. 8 is that the metal groove 201 is set on the first metal frame 41 of the housing 40, and the opening direction of the metal groove is the coordinate system shown in FIG.
  • the positive direction of the Z axis is taken as an example for illustration.
  • the opening direction of the metal groove when the metal groove is arranged on the second metal frame of the housing, the opening direction of the metal groove may be the positive X axis; when the metal groove is arranged on the When the metal groove is on the third metal frame of the housing, the opening direction of the metal groove can be reverse to the Z axis; when the metal groove is provided on the fourth metal frame of the housing, the opening direction of the metal groove can be reverse to the X axis. to.
  • the metal texture of the electronic device may not be affected to maintain the electronic device
  • the integrity of the metal frame can maintain the proportion of metal in the electronic device.
  • the metal frame of the electronic device itself is used as the reflector of the antenna unit to obtain higher gain.
  • the antenna unit is not sensitive to the environment and components inside the electronic device, which facilitates the design of structural stacking of the electronic device.
  • multiple metal grooves may be provided in the housing of the electronic device, and M power feed arm units and M power feeders in the embodiment of the present invention are provided in each metal groove.
  • the antenna elements provided in the embodiments of the present invention can be integrated into the electronic device, so that these antenna elements can form an antenna array, so that the antenna performance of the electronic device can be improved.
  • the antenna unit provided by the embodiment of the present invention is the radiation pattern of the antenna unit when the antenna unit provided by the embodiment of the present invention radiates a signal with a frequency of 28 GHz; as shown in FIG. 10, it is the antenna provided by the embodiment of the present invention.
  • the radiation pattern of the antenna unit When the unit radiates a signal with a frequency of 39 GHz, the radiation pattern of the antenna unit. It can be seen from FIGS. 9 and 10 that the maximum radiation direction of the antenna unit at 28 GHz is the same as the maximum radiation direction of the antenna unit at 39 GHz. Therefore, the antenna unit provided by the embodiment of the present invention is suitable for forming a broadband antenna array.
  • the electronic device can be provided with at least two metal grooves, and each metal groove is provided with the above-mentioned M power feed arm units, M power feed parts and other components, so that the electronic device includes multiple embodiments of the present invention.
  • the antenna unit provided in the example can make the electronic device include an antenna array composed of the antenna unit, thereby improving the antenna performance of the electronic device.
  • the distance between two adjacent antenna units (that is, the distance between two adjacent metal grooves)
  • the distance between the separations can be determined according to the isolation of the antenna units and the scanning angle of the antenna array formed by the multiple antenna units. Specifically, it can be determined according to actual use requirements, and the embodiment of the present invention does not limit it.
  • the number of metal grooves provided in the housing of the electronic device may be determined according to the size of the metal groove and the size of the housing of the electronic device, which is not limited in the embodiment of the present invention.
  • FIG. 11 it is a bottom view of the multiple antenna units provided on the housing provided by the embodiment of the present invention in the positive direction of the Z axis (coordinate system shown in FIG. 8).
  • the metal groove is a rectangular groove
  • the third metal frame 43 is provided with a plurality of antenna units provided by the embodiment of the present invention (each antenna unit is formed by a metal groove on the housing and a metal M power feeding parts at the bottom of the groove, and M power feeding arm units and other components arranged in the metal groove are formed).
  • the surface of the third feeding arm 207 and the surface of the target radiator 204 in each feeding arm unit may be flush with the surface where the opening of the metal groove 201 is located.
  • FIG. 11 exemplifies the four antenna units provided on the third metal frame as an example, which does not limit the embodiment of the present invention in any way. It can be understood that, during specific implementation, the number of antenna units provided on the third metal frame may be determined according to actual use requirements, and the embodiment of the present invention does not make any limitation.
  • An embodiment of the present invention provides an electronic device, which may include an antenna unit.
  • the antenna unit may include: a metal groove, M power feeding portions arranged at the bottom of the metal groove, M feeding arm units and a first insulator arranged in the metal groove, and a target radiator carried by the first insulator ;
  • each feeding arm unit includes a first feeding arm, a second feeding arm electrically connected to the first end of the first feeding arm, and a third feeding arm electrically connected to the second feeding arm ,
  • the second end of the first feeding arm in each feeding arm unit is electrically connected to different feeding parts among the M feeding parts;
  • the third feeding arm in each feeding arm unit is connected to the target radiator Coupling, or the first feeding arm, the second feeding arm, and the third feeding arm in each feeding arm unit are all coupled with the target radiator, and M is an integer greater than 1.
  • both the second feeding arm and the third feeding arm can be coupled with the target radiator, so when the feeding arm unit receives an AC signal, by coupling with the target radiator, the target radiator can generate an induced AC signal , And the current path of the induced current generated on the target radiator is short, so the target radiator can radiate high-frequency electromagnetic waves.
  • the third feeding arm in the feeding arm unit can be coupled with the target radiator, when the feeding part transmits an AC signal to one feeding arm unit, the third feeding arm in the feeding arm unit It can be coupled with the target radiator.
  • Both the target radiator and the third feeding arm can generate induced current.
  • the target radiator After the target radiator generates the induced current, the target radiator can be connected to the third feeding arm unit. Arm coupling, the other feeding arm unit can generate induced current, so the current path through the feeding arm unit and the target radiator can have many kinds (for example, the current path formed on one feeding arm unit, one feeding arm The current path from the unit to the target radiator and then to another feeding arm unit, etc.), and these current paths are long, so that the feeding arm unit and the target radiator can radiate low-frequency electromagnetic waves outward.
  • the antenna unit can cover multiple frequency bands of the millimeter wave (for example, the high-frequency band n260 and the low-frequency band n257), so that the bandwidth covered by the antenna unit can be increased.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

Des modes de réalisation de la présente invention concernent une unité d'antenne et un dispositif électronique. L'unité d'antenne comprend une rainure métallique, M parties d'alimentation disposées au fond de la rainure métallique, M unités de bras d'alimentation et un premier isolant disposé dans la rainure métallique, et un élément rayonnant cible supporté par le premier isolant. Chaque unité de bras d'alimentation comprend un premier bras d'alimentation, un deuxième bras d'alimentation connecté électriquement à une première extrémité du premier bras d'alimentation, et un troisième bras d'alimentation connecté électriquement au deuxième bras d'alimentation ; une seconde extrémité du premier bras d'alimentation dans chaque unité de bras d'alimentation est électriquement connectée à une partie d'alimentation différente dans les M parties d'alimentation ; le troisième bras d'alimentation dans chaque unité de bras d'alimentation est couplé à un élément rayonnant cible, ou le premier bras d'alimentation, le deuxième bras d'alimentation et le troisième bras d'alimentation dans chaque unité de bras d'alimentation sont couplés à l'élément rayonnant cible, M étant un nombre entier supérieur à 1.
PCT/CN2020/124435 2019-10-31 2020-10-28 Unité d'antenne et dispositif électronique WO2021083223A1 (fr)

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CN110828987A (zh) * 2019-10-31 2020-02-21 维沃移动通信有限公司 一种天线单元及电子设备
CN111403901B (zh) * 2020-03-16 2021-06-15 Oppo广东移动通信有限公司 天线模组及电子设备
CN113839173B (zh) * 2021-09-08 2024-03-15 Oppo广东移动通信有限公司 天线装置、壳体以及电子设备

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CN110212300A (zh) * 2019-05-22 2019-09-06 维沃移动通信有限公司 一种天线单元及终端设备
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