WO2020020056A1 - Dispositif terminal - Google Patents

Dispositif terminal Download PDF

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Publication number
WO2020020056A1
WO2020020056A1 PCT/CN2019/096686 CN2019096686W WO2020020056A1 WO 2020020056 A1 WO2020020056 A1 WO 2020020056A1 CN 2019096686 W CN2019096686 W CN 2019096686W WO 2020020056 A1 WO2020020056 A1 WO 2020020056A1
Authority
WO
WIPO (PCT)
Prior art keywords
terminal device
sub
slot
antenna
metal frame
Prior art date
Application number
PCT/CN2019/096686
Other languages
English (en)
Chinese (zh)
Inventor
王义金
黄奂衢
简宪静
Original Assignee
维沃移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Publication of WO2020020056A1 publication Critical patent/WO2020020056A1/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
    • H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—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
    • H01Q1/48—Earthing means; Earth screens; Counterpoises
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H01Q19/12—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces wherein the surfaces are concave
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/0006—Particular feeding systems

Definitions

  • the present disclosure relates to the field of communication technologies, and in particular, to a terminal device.
  • a millimeter-wave antenna is generally in the form of an independent antenna module, so it is necessary to set an accommodation space for the independent antenna module in a terminal device. In this way, the volume size of the entire terminal device is relatively large, resulting in a lower overall competitiveness of the terminal device.
  • Some embodiments of the present disclosure provide a terminal device to solve the problem that a receiving space is required for a millimeter wave antenna in the terminal device, so that the volume of the entire terminal device is relatively large.
  • Some embodiments of the present disclosure provide a terminal device including a metal frame, at least two gaps are opened on one side of the metal frame, the gaps are "I" -shaped gaps, and the "I" -shaped gaps Including a first sub-slot and a second sub-slot parallel to each other, and a third sub-slot perpendicular to the first sub-slot; the inner side wall of the metal frame is provided with at least two antenna feeding points, and the at least two Different antenna feed points among the antenna feed points are located on the sides of the third sub-slot in different slots; the metal frame is electrically connected to the floor in the terminal device.
  • a terminal device includes a metal frame, and one side of the metal frame is provided with at least two gaps, the gaps are "I" -shaped gaps, and the "I" -shaped gaps include A first sub-slot and a second sub-slot parallel to each other, and a third sub-slot perpendicular to the first sub-slot; the inner side wall of the metal frame is provided with at least two antenna feeding points, and the at least two Different antenna feed points in the antenna feed points are located on the sides of the third sub-slot in different slots; the metal frame is electrically connected to the floor in the terminal device.
  • the metal frame with the gap is equivalent to the millimeter wave array antenna of the terminal device, and the metal frame is also the radiator of the communication antenna, thereby saving the space for the millimeter wave antenna, reducing the volume of the terminal device, and Better support the design of metal appearance, and compatible design with the appearance of metal as other antennas, improve the overall competitiveness of terminal equipment.
  • FIG. 1 is one of the schematic structural diagrams of a terminal device provided by some embodiments of the present disclosure
  • FIG. 2 is a schematic structural diagram of a gap provided by some embodiments of the present disclosure.
  • FIG. 3 is one of the structural schematic diagrams of one side of a metal frame provided by some embodiments of the present disclosure
  • FIG. 4 is a second schematic structural diagram of one side of a metal frame provided by some embodiments of the present disclosure.
  • FIG. 5 is a third schematic structural diagram of one side of a metal frame provided by some embodiments of the present disclosure.
  • FIG. 6 is a fourth schematic structural diagram of one side of a metal frame provided by some embodiments of the present disclosure.
  • FIG. 7 is a fifth schematic structural diagram of one side of a metal frame provided by some embodiments of the present disclosure.
  • FIG. 8 is a schematic diagram of a setting position of an antenna feeding point provided by some embodiments of the present disclosure.
  • FIG. 9 is a parameter diagram of a slot family array antenna provided by some embodiments of the present disclosure.
  • FIG. 10 is a sixth schematic structural diagram of one side of a metal frame provided by some embodiments of the present disclosure.
  • FIG. 11 is a schematic diagram of a relative position of a signal reflection wall and a side of a metal frame provided by some embodiments of the present disclosure
  • FIG. 12 is a second schematic structural diagram of a terminal device according to some embodiments of the present disclosure.
  • FIG. 13 is a third structural schematic diagram of a terminal device provided by some embodiments of the present disclosure.
  • FIG. 1 is a schematic structural diagram of a terminal device according to some embodiments of the present disclosure. As shown in FIG. 1, it includes a metal frame 1, and one side of the metal frame 1 is provided with at least two gaps 15.
  • the slit 15 is an I-shaped slit, and the I-shaped slit includes a first sub slit 151 and a second sub slit 152 parallel to each other, and a third sub slit 153 perpendicular to the first sub slit 151.
  • the inner side wall of the metal frame 1 is provided with at least two antenna feeding points 2, and different antenna feeding points 2 of the at least two antenna feeding points 2 are located on the sides of the third sub-slot 153 of the different slots 15;
  • the metal frame 1 is electrically connected to the floor 3 in the terminal device.
  • the metal frame 1 may include a first side 11, a second side 12, a third side 13, and a fourth side 14.
  • the metal frame 1 may be a frame connected end to end or not connected.
  • the at least two slits 15 may be provided on one side of the metal frame 1, or at least two slits 15 may be provided on opposite sides of the metal frame 1.
  • the inside of the slit 15 may be air, or may be filled with a non-conductive material or the like.
  • the above-mentioned slit 15 is an “I” -shaped slit
  • the “I” -shaped slit includes a first sub slit 151 and a second sub slit 152 parallel to each other, and is perpendicular to the first sub slit 151.
  • the third child gap 153 Of the third child gap 153.
  • FIG. 2 is a schematic structural diagram of a gap provided by some embodiments of the present disclosure. As shown in FIG.
  • the above-mentioned slit 15 is an “I” -shaped slit, and the slit 15 includes a first sub slit 151 and a second sub slit 152 parallel to each other, and a third Child gap 153.
  • One “I” -shaped slot is equivalent to one antenna unit in a millimeter-wave array antenna, so multiple “I” -shaped slots can form a millimeter-wave array antenna.
  • At least two antenna feeding points 2 are provided on the inner side wall of the metal frame 1, and different antenna feeding points 2 of the at least two antenna feeding points 2 are located in third sub-slots of different slots 15.
  • the side of 153 can ensure that at least two slots 15 on one side of the metal frame 1 have an antenna feeding point 2, so that at least two slots 15 can form a millimeter wave array antenna.
  • the antenna feed points 2 of the millimeter wave array antenna are all located on the third sub-slot 153, so that the millimeter wave signal can be directed to the antenna feed point 2 of the millimeter wave array antenna and radiated through the metal frame 1.
  • the metal frame 1 can also receive millimeter wave signals.
  • At least two slits 15 are formed on one side of the metal frame 1, so that the at least two slits 15 are equivalent to form a millimeter wave array antenna for radiating a millimeter wave signal.
  • the communication antenna may be shown as a dashed line in FIG. 1.
  • the communication antenna is composed of the third side edge 13, part of the second side edge 12, and part of the fourth side edge 14. composition.
  • the millimeter-wave array antenna composed of at least two slots 15 may have a tiny slot inside the radiator of the communication antenna, so as not to affect the electrical parameters of the communication antenna.
  • the above-mentioned floor 3 may be a circuit board or a metal middle case or the like.
  • the metal frame 1 is electrically connected to the floor 3 in the terminal device, so that the metal frame 1 can be grounded.
  • the terminal device by providing at least two slots 15 on one side of the frame of the terminal device, it is equivalent to forming a millimeter wave array antenna, thereby saving the space for accommodating the millimeter wave array antenna, not occupying the antenna space of other antennas, and reducing
  • the volume of the terminal equipment improves the overall competitiveness of the terminal equipment.
  • Making full use of the structure of the terminal device as an antenna improves the communication effect without affecting the metal texture of the terminal device.
  • the performance of the millimeter wave antenna can be prevented from being greatly reduced, so that the user has a better experience.
  • millimeter-wave array antennas are integrated into communication antennas in related technologies, such as 2G, 3G, 4G, or 6G, without affecting the communication quality of the communication antenna and the function of the terminal device.
  • the millimeter wave array antenna itself can obtain a good wide frequency width. Due to the existence of the "I" -shaped slot, it can cover multiple frequency bands of 5G millimeter wave, which is convenient for the design of a full-screen antenna. And through the design of the metal frame of the terminal device, it does not affect the metal texture of the terminal device, and can improve the wireless experience of the user when roaming internationally or even globally.
  • the current mainstream millimeter wave antenna design is often more difficult to show better antenna performance under the design of the metal appearance, that is, it is more difficult to support the design of the metal appearance, resulting in a decline in product competitiveness.
  • This design manner of this embodiment can better support the design of the metal appearance, and can be compatible with the design of the appearance metal as other antennas to improve the overall competitiveness of the product. While solving the problem of requiring an accommodation space for the millimeter wave antenna in the terminal device, so that the volume of the entire terminal device is relatively large, it can also solve the problem that it is difficult for the terminal device to support the design of the metal appearance.
  • the terminal device may be a mobile phone, a tablet computer, a laptop computer, a personal digital assistant (PDA), or a mobile Internet device. , MID) or Wearable Device (Wearable Device) and so on.
  • the lengths of the first sub-slot 151 and the second sub-slot 152 are different.
  • the lengths of the first sub-slot 151 and the second sub-slot 152 are different, so that the millimeter wave signals of different frequency bands can be matched.
  • the length of the first sub-slot 151 is shorter than the length of the second sub-slot 152, and the length of the first sub-slot 151 is determined according to a half wavelength corresponding to the center frequency of the first working frequency band of the antenna.
  • the length of the second sub-slot 152 is determined according to the half-wavelength corresponding to the center frequency of the second working frequency band of the antenna.
  • the length of the first sub-slot 151 is shorter than the length of the second sub-slot 152, and the length of the first sub-slot 151 is approximately a half wavelength of the center frequency of the first frequency band in which the antenna operates.
  • the length of the sub-slot 152 is approximately a half wavelength of the center frequency of the second frequency band in which the antenna operates, so that it can better match the millimeter wave signals in different frequency bands for operation.
  • the arrangement manner of any two adjacent slits 15 in the at least two slits 15 is the same;
  • any two adjacent slits 15 in the at least two slits 15 are arranged in different ways.
  • FIG. 3 is a schematic structural diagram of one side of a metal frame provided by some embodiments of the present disclosure. As shown in FIG. 3, there are at least four slits 15 on the third side 13, and the arrangement of any two adjacent slits 15 is the same.
  • FIGS. 4 to 6 are schematic structural diagrams of one side of a metal frame provided by some embodiments of the present disclosure.
  • the two adjacent slots 15 are equivalent to being placed 90 degrees vertically, so that the horizontal polarization and vertical polarization components of the millimeter wave array antenna can be improved, so as to improve the wireless connection capability and antenna of the millimeter wave array antenna.
  • the isolation between the units (slot 15) further improves the beam coverage of the millimeter wave array antenna.
  • each of the slits 15 is inclined with respect to the metal frame 1 where the slits 15 are located, and the inclination angles are the same.
  • FIG. 7 is a schematic structural diagram of one side of a metal frame provided by some embodiments of the present disclosure.
  • FIG. 7 there are at least four inclined slits 15 on the third side edge 13.
  • the angle between the third sub-slot of each slot 15 and the horizontal plane may be 45 degrees.
  • some other tilting angles, etc. may be set for the slit 15, which is not limited in this embodiment.
  • the interval between the slots 15 can be shortened and the isolation between the slots 15 can be improved, so that the overall space occupied by the millimeter wave array antenna becomes smaller and the electrical performance is better.
  • the overall space occupied by a millimeter-wave array antenna becomes smaller, and the isolation between adjacent slots 15 is improved, thereby increasing the scanning coverage of the array antenna.
  • the antenna feeding point 2 is located at a center position of an edge of the third sub-slot 153.
  • FIG. 8 is a schematic diagram of a setting position of an antenna feeding point provided by some embodiments of the present disclosure.
  • the at least two slits 15 are arranged along the length direction of the metal frame 1.
  • the at least two slits 15 may form a slit family, and the slit family includes at least two slits 15.
  • there may be at least two gap families on the metal frame such as a first gap family and a second gap family.
  • the first slot family and the second slot family include at least two slots, respectively, and the first slot family may be located on the second side edge 12 and the second slot family may be located on the fourth side edge 14. In this way, by providing slot families on different sides, the beam coverage of the millimeter wave array antenna can be further improved.
  • FIG. 9 is a schematic diagram of parameters of a slot family array antenna provided by some embodiments of the present disclosure.
  • the return loss of the plurality of slots 15 is shown in FIG. 9.
  • Each slot can cover 24-44GHz bandwidth, that is, multiple 5G millimeter wave bands.
  • the access of the feed signal can excite the first sub-slot 151 and the second sub-slot 152 to form a first resonance M and a second resonance N of the millimeter wave array antenna.
  • a signal reflection wall 4 is further provided in the terminal device. There is a gap between the signal reflection wall 4 and the at least two gaps 15, and the signal reflection wall 4 is electrically connected to the floor 3.
  • the gap there is a gap between the signal reflection wall 4 and the at least two slits 15, and the gap may be air, or may be filled with some non-conductive material, and so on.
  • the signal reflection wall 4 is electrically connected to the floor 3 so that the signal reflection wall 4 can be grounded. Due to the existence of the signal reflection wall 4, the gain pattern of the millimeter wave array antenna can be optimized, the main beam coverage of the millimeter wave array antenna can be improved, and the communication effect of the millimeter wave array antenna can be improved.
  • the upper edge of the signal reflection wall 4 is not lower than the upper edge of the slot 15, and the lower edge of the signal reflection wall 4 is not higher than the lower edge of the slot 15.
  • the upper edge of the signal reflection wall 4 is not lower than the upper edge of the slot 15, and the lower edge of the signal reflection wall 4 is not higher than the lower edge of the slot 15, so that the signal reflection wall 4 can These gaps 15 are well covered to facilitate better reflection of the signal.
  • FIG. 10 is a schematic structural diagram of one side of a metal frame provided by some embodiments of the present disclosure
  • FIG. 11 is a schematic diagram of relative positions of a signal reflection wall and one side of a metal frame provided by some embodiments of the present disclosure.
  • each slit 15 there are at least four slits 15 on the fourth side 14 of the metal frame 1.
  • the length of the first sub-slot 151 of each slit 15 is L1
  • the length of the second sub-slot 152 is L2.
  • the length of the third sub-slot 153 is L3.
  • L1 is approximately half of the wavelength corresponding to the center frequency of the first frequency band in which the millimeter-wave antenna operates
  • L2 is approximately half of the corresponding wavelength of the center frequency in the second frequency band in which the millimeter-wave antenna operates.
  • the interval between the first sub-slots 151 of the adjacent slots 15 is W1
  • the interval between the second sub-slots 152 of the adjacent slots 15 is W2
  • the interval W2 is determined by the isolation of the two adjacent slots 15 and the millimeter wave array
  • the maximum scanning angle of the antenna is determined.
  • the first sub-slot 151, the second sub-slot 152, and the third sub-slot 153 of the plurality of slits 15 form a slit family.
  • the distance between the upper edge and the lower edge of the slit 15 is H1
  • the length of the slit family composed of the plurality of slits 15 is L4.
  • the distance between the upper edge and the lower edge of the signal reflection wall 4 is H2
  • the length of the signal reflection wall 4 is L5
  • the signal reflection wall 4 and the gap family are on the same side of the floor 3, and H2 ⁇ H1.
  • the upper edge of the signal reflection wall 4 is not lower than the upper edge of the slit 15, and the lower edge of the signal reflection wall 4 is not higher than the lower edge of the slit 15. Therefore, these gaps 15 can be covered well, so as to better reflect signals.
  • L5 ⁇ L4 can be optionally set, so that the gap family can not exceed the range of the length of the signal reflection wall 4.
  • the signal reflection wall 4 is formed by a metal outer wall of a battery of the terminal device; or, the signal reflection wall 4 is formed by a metal wall of a battery compartment of the terminal device, wherein the battery compartment is Structure for accommodating a battery of the terminal device.
  • the signal reflection wall 4 is formed by a metal outer wall of a battery of the terminal device; or the signal reflection wall 4 is formed by a metal wall of a battery compartment of the terminal device, so that no additional material is required.
  • the gain pattern of the millimeter wave array antenna can be optimized, and the main beam coverage of the millimeter wave array antenna can be improved, thereby improving the communication effect of the millimeter wave array antenna.
  • FIG. 12 and FIG. 13 are schematic structural diagrams of a terminal device provided by some embodiments of the present disclosure.
  • the signal reflection wall 4 in FIG. 12 is formed by the metal outer wall of the battery of the terminal device.
  • the distance between the signal reflection wall 4 and the fourth side 14 is W3, and W3> 0.
  • the signal reflection wall 4 in FIG. 13 is formed by the metal wall of the battery compartment of the terminal device.
  • the distance between the signal reflection wall 4 and the fourth side 14 is W4, and W4> 0.
  • the signal reflecting wall 4 is a concave reflective curved surface; or, the signal reflecting wall 4 is a convex reflective curved surface.
  • the signal reflection wall 4 is a concave reflection curved surface; or the signal reflection wall 4 is a convex reflection curved surface, which can optimize the gain pattern of the millimeter wave array antenna.
  • a terminal device includes a metal frame 1, and one side of the metal frame 1 is provided with at least two slits 15.
  • the slits 15 are “I” -shaped slits.
  • the font-shaped slot includes a first sub-slot 151 and a second sub-slot 152 that are parallel to each other, and a third sub-slot 153 that is perpendicular to the first sub-slot 151.
  • the inner side wall of the metal frame 1 is provided with at least two antennas. Feed point 2, different antenna feed points 2 of the at least two antenna feed points 2 are located on the sides of the third sub-slot 153 in different slots 15; the metal frame 1 and the floor in the terminal device 3 ⁇ ⁇ Electrical connection.
  • the metal frame 1 provided with the gap 15 is equivalent to a millimeter wave array antenna of the terminal device, and the metal frame 1 is also a radiator of the communication antenna, thereby saving the space for containing the millimeter wave antenna and reducing the volume of the terminal device. , And can better support the design of metal appearance, and compatible design with the appearance of metal as other antenna solutions, improve the overall competitiveness of terminal equipment.

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Abstract

La présente invention concerne un dispositif terminal. Le dispositif terminal comprend un cadre métallique, un côté du cadre métallique comportant au moins deux fentes en forme de H, chaque fente en forme de H comprend une première sous-fente et une seconde sous-fente qui sont parallèles l'une à l'autre, ainsi qu'une troisième sous-fente perpendiculaire à la première sous-fente ; une paroi latérale interne du cadre métallique comporte au moins deux points d'alimentation d'antenne, et différents points d'alimentation d'antenne parmi les au moins deux points d'alimentation d'antenne sont situés au niveau de parois latérales des troisièmes sous-fentes des différentes fentes ; le cadre métallique est électriquement connecté à un panneau de mise à la terre à l'intérieur du dispositif de terminal.
PCT/CN2019/096686 2018-07-24 2019-07-19 Dispositif terminal WO2020020056A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810819678.0A CN108987906B (zh) 2018-07-24 2018-07-24 一种终端设备
CN201810819678.0 2018-07-24

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Publication Number Publication Date
WO2020020056A1 true WO2020020056A1 (fr) 2020-01-30

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PCT/CN2019/096686 WO2020020056A1 (fr) 2018-07-24 2019-07-19 Dispositif terminal

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CN (1) CN108987906B (fr)
WO (1) WO2020020056A1 (fr)

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CN108987905B (zh) * 2018-07-24 2021-01-08 维沃移动通信有限公司 一种终端设备
CN108987906B (zh) * 2018-07-24 2021-01-08 维沃移动通信有限公司 一种终端设备
CN108987945B (zh) * 2018-07-24 2020-08-04 维沃移动通信有限公司 一种终端设备
KR20210004754A (ko) * 2019-07-05 2021-01-13 삼성전자주식회사 안테나 구조체 및 그를 포함하는 전자 장치
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