WO2022002138A1 - 天线组件和电子设备 - Google Patents

天线组件和电子设备 Download PDF

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Publication number
WO2022002138A1
WO2022002138A1 PCT/CN2021/103587 CN2021103587W WO2022002138A1 WO 2022002138 A1 WO2022002138 A1 WO 2022002138A1 CN 2021103587 W CN2021103587 W CN 2021103587W WO 2022002138 A1 WO2022002138 A1 WO 2022002138A1
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Prior art keywords
antenna
antenna assembly
slot unit
slot
projection
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PCT/CN2021/103587
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English (en)
French (fr)
Inventor
王珅
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维沃移动通信有限公司
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Publication of WO2022002138A1 publication Critical patent/WO2022002138A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/48—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
    • H01Q1/36—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
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna

Definitions

  • the present application belongs to the field of communications, and specifically relates to an antenna assembly and an electronic device.
  • Microstrip patch antennas have the advantages of small size, low profile, light weight, simple manufacturing process, and easy to achieve conformal, so they are often used as millimeter-wave antennas.
  • the microstrip patch antenna is simple in structure, the bandwidth is relatively narrow, and sometimes it is difficult to cover the required frequency band.
  • the microstrip patch antenna is unidirectional radiation and cannot cover the direction opposite to the radiation direction; When the size of the floor is larger than several wavelengths, the electromagnetic energy will propagate in the dielectric layer to form surface waves, which will reduce the efficiency of the antenna, and distort the antenna radiation pattern, reduce the gain, and affect the communication effect.
  • the purpose of the embodiments of the present application is to provide an antenna assembly and an electronic device, which are used to solve the problem that the bandwidth of the microstrip patch antenna is relatively narrow, cannot cover the direction opposite to the radiation direction, the antenna efficiency is low, and the antenna radiation pattern is prone to distortion, reducing the gain, which affects the communication effect.
  • an antenna assembly including:
  • the radiation patch is arranged on one side of the antenna medium substrate;
  • the first feeding structure is electrically connected to the radiation patch
  • the grounding plate is arranged on the other side of the antenna medium base, the grounding plate is provided with a slot unit, and the projection of each radiation patch on the grounding plate corresponds to at least one
  • the slit unit is arranged at a distance from the projection.
  • the slot unit extends along the corresponding circumferential direction of the projection.
  • a plurality of the slit units are respectively distributed on the outer circumference of each of the projections, and the plurality of the slit units corresponding to each of the projections are evenly spaced around the circumference of the corresponding projection.
  • the radiation patch is a polygon or a circle, and four of the slot units are respectively distributed on the periphery of each of the projections.
  • one slot unit is distributed between two adjacent projections.
  • the plurality of the radiation patches are arranged on the antenna medium substrate at intervals.
  • the length of the slot unit is one half of the wavelength corresponding to the operating frequency of the antenna component in the antenna medium matrix, and the width of the slot unit is less than one fifth of the length of the slot unit.
  • the second feeding structure is arranged on one side of the antenna dielectric base, the second feeding structure corresponds to the slot unit one-to-one, and the projection of each second feeding structure on the ground plate At least partially overlapping with the corresponding slot unit.
  • each of the slot units respectively includes a plurality of micro-slits, the plurality of micro-slits are arranged in parallel and spaced apart along the width direction of the corresponding slot unit, and the plurality of the micro-slits are respectively arranged along the corresponding circumferential direction of the projection extend.
  • an embodiment of the present application further provides an electronic device, including the antenna assembly described in the foregoing embodiments of the first aspect.
  • the radiation patch is disposed on one side of the antenna dielectric substrate
  • the first feeding structure is electrically connected to the radiation patch
  • the ground plate is disposed on the antenna dielectric substrate
  • a slot unit is arranged on the ground plate
  • the projection of each radiation patch on the ground plate corresponds to at least one slot unit
  • the slot unit and the projection are arranged at intervals .
  • the slot unit on the ground plate can generate resonance near the antenna resonant frequency, improve the resonance bandwidth, increase the overall resonance bandwidth, increase the equivalent size of the antenna, make the bandwidth wider, and can be in the radiation direction of the antenna.
  • the opposite direction of the antenna achieves radiation coverage, reduces the distortion of the antenna radiation pattern, enhances the gain, improves the antenna efficiency, and improves the communication effect.
  • FIG. 1 is a schematic diagram of a radiation patch on an antenna medium substrate in an antenna assembly according to an embodiment of the present application
  • FIG. 2 is a schematic structural diagram of an antenna assembly according to an embodiment of the present application.
  • Fig. 3a is another schematic structural diagram of the antenna assembly according to the embodiment of the present application.
  • FIG. 3b is another schematic structural diagram of the antenna assembly according to the embodiment of the present application.
  • Fig. 3c is another schematic structural diagram of the antenna assembly according to the embodiment of the present application.
  • FIG. 3d is another schematic structural diagram of the antenna assembly according to the embodiment of the present application.
  • FIG. 4 is a schematic diagram of the distribution of multiple radiation patches in the antenna assembly according to the embodiment of the present application.
  • Fig. 5 is a schematic diagram of the feeding microstrip line on the antenna dielectric substrate
  • FIG. 6 is another schematic structural diagram of the antenna assembly according to the embodiment of the present application.
  • FIG. 7 is another schematic structural diagram of the antenna assembly according to the embodiment of the present application.
  • FIG. 8 is another schematic structural diagram of the antenna assembly according to the embodiment of the present application.
  • Figure 9 is a schematic diagram of the microslit distribution.
  • Ground plate 30 ; slot unit 31; micro-slot 32;
  • an antenna assembly includes an antenna medium base 10 , at least one radiation patch 20 , a first feeding structure and a ground plate 30 , wherein the radiation patch 20 is disposed on the antenna medium On one side of the base 10, the first feeding structure is electrically connected to the radiation patch 20, the ground plate 30 is arranged on the other side of the antenna dielectric base 10, and the ground plate 30 is provided with a slot unit 31.
  • the projections on the ground plate 30 correspond to at least one slot unit 31 respectively, and the slot units 31 are arranged at intervals from the projections.
  • the antenna assembly is mainly composed of an antenna dielectric substrate 10, at least one radiation patch 20, a first feeding structure and a ground plate 30, wherein the antenna dielectric substrate 10 may be an insulating material piece, the radiation patch 20 and the ground plate 30 may be metal pieces, respectively, and the shape of the radiation patch 20 may be a circle or a polygon. Among them, polygons include squares. The shape of the ground plate 30 may be a rectangle, and the size of the ground plate 30 may be larger than that of the radiation patch 20 . As shown in FIG. 1 and FIG.
  • the radiation patch 20 may be disposed on one side of the antenna dielectric base 10
  • the ground plate 30 may be disposed on the other side of the antenna dielectric base 10
  • the first feeding structure is electrically connected to the radiation patch 20
  • the first feeding structure may be the first feeding point 21 provided on the radiation patch 20
  • the first feeding point 21 may have one or more, such as two, through the first feeding structure
  • the first feeding point 21 may be fed to the radiation patch 20
  • the power feeding enables the radiation patch 20 to radiate signals
  • the first feeding point 21 can be connected to the feeding probe and the microstrip line, and the feeding can be realized in the form of probe feeding, microstrip feeding or coupling feeding, etc.
  • Single-polarized radiation or orthogonal dual-polarized radiation can be realized through the first feeding structure and the radiation patch 20 according to actual needs.
  • the grounding plate 30 may be provided with a slot unit 31 , and the projection of each radiation patch 20 on the grounding plate 30 corresponds to at least one slot unit 31 , and the slot unit 31 and the projection are arranged at intervals,
  • the separation distance between the slit unit 31 and the corresponding projection can be set according to the actual situation.
  • the shape of the slot unit 31 can be selected according to the actual situation.
  • the slot unit 31 can be linear, curved, folded, U-shaped or other elongated shape.
  • the length, width and specific number of the slot unit 31 can be selected according to the actual situation.
  • the slot unit 31 on the ground plate 30 can generate resonance near the resonant frequency of the antenna, improve the resonance bandwidth, increase the equivalent size of the antenna, make the bandwidth wider, and can be in the opposite direction of the antenna radiation direction. To achieve radiation coverage, reduce the distortion of the antenna radiation pattern, enhance the gain, improve the efficiency of the antenna, and improve the communication effect.
  • the slot unit 31 may extend along the corresponding projected circumference, for example, located at the outer circumference of the projection of one of the radiation patches 20 on the ground plate 30 .
  • the slot unit 31 may extend along the peripheral direction of the projection of the radiation patch 20 .
  • a plurality of slot units 31 are distributed on the outer circumference of each projection, and the plurality of slot units 31 corresponding to each projection are evenly spaced around the circumference of the corresponding projection.
  • four slot units 31 are distributed on the outer circumference of each projection.
  • the four slot units 31 are evenly spaced around the outer circumference of the corresponding projection, which is beneficial to improve the resonance bandwidth, enhance the radiation in the opposite direction of the antenna radiation direction, reduce the distortion of the antenna radiation pattern, enhance the gain, and improve the antenna efficiency.
  • the radiation patch 20 is rectangular, and four slot units 31 are distributed on the periphery of each projection, and each slot unit 31 corresponds to one side of the projection of the radiation patch 20 .
  • each slot unit 31 may extend along one side of the projection of the corresponding radiation patch 20, that is, the four slot units 31 distributed on the periphery of each projection are symmetrical with respect to the geometric center of the projection, and may be in
  • the ground plane is relatively large, the regularity of the antenna radiation pattern is maintained, and at the same time, the influence of the surface wave on the antenna radiation pattern is reduced when the multiple radiation patches 20 are arranged in an array, and the antenna gain is maintained.
  • a slot unit 31 is distributed between two adjacent projections, that is, a slot unit 31 is shared between two adjacent projections, and is radiated by two
  • the use of the patches 20 at the same time is beneficial to reduce the distance between two adjacent projections and reduce the volume of the antenna assembly.
  • multiple slot units 31 such as two slot units 31 , may be distributed between the projections of two adjacent radiation patches 20 .
  • the distance between two adjacent radiation patches 20 and the number and position of the slot units 31 between the projections of two adjacent radiation patches 20 may be determined according to actual conditions.
  • the multiple radiation patches 20 there may be multiple radiation patches 20 , the multiple radiation patches 20 may be arranged on the antenna dielectric substrate 10 at intervals, and the multiple radiation patches 20 may be The antenna medium base 10 is evenly spaced along the length direction of the antenna medium base 10 , and a plurality of slot units 31 are distributed evenly at the outer circumference of the projection of each radiation patch 20 , for example, four slot units 31 are respectively distributed along the outer circumference of each projection.
  • the multiple radiation patches 20 are arranged in an array, the influence of the surface wave on the antenna radiation pattern can be reduced, the antenna gain can be maintained, and the antenna efficiency can be improved.
  • the length of the slot unit 31 may be one half of the wavelength corresponding to the operating frequency of the antenna component in the antenna dielectric substrate 10 , and the width of the slot unit 31 is less than five times the length of the slot unit 31 One is to enhance the radiation in the opposite direction of the antenna radiation direction, reduce the distortion of the antenna radiation pattern, and enhance the gain.
  • the length and width of the slot unit 31 and the relative position of the projection of the radiation patch 20 can be determined according to the actual situation. .
  • the antenna assembly further includes a second feeding structure.
  • the second feeding structure may be disposed on one side of the antenna dielectric substrate 10 .
  • the second feeding structure is connected to the slot.
  • the units 31 are in one-to-one correspondence, and each second feed structure corresponds to a slot unit 31.
  • the projection of each second feed structure on the ground plate 30 at least partially overlaps with the corresponding slot unit 31, and through the second feed structure
  • the corresponding slot unit 31 can be fed and excited, so that the slot unit 31 can be used as a radiator, so that the radiation covers the upper and lower directions of the antenna dielectric substrate 10, the resonance bandwidth is increased, and the radiation in the opposite direction of the antenna radiation direction is enhanced. gain and improve antenna efficiency.
  • the second feeding structure may include a feeding microstrip line 40, a second feeding point 41 may be set on the feeding microstrip line 40, and the feeding microstrip line 40 in each second feeding structure is on the ground plane
  • the projection on 30 at least partially overlaps the corresponding slot unit 31 .
  • each slit unit 31 may include a plurality of micro slits 32 respectively, and the plurality of micro slits 32 in each slit unit 31 may be spaced in parallel along the width direction of the corresponding slit unit 31 Arrangement, a plurality of micro-slits 32 can respectively extend along the circumferential direction of the corresponding projection, and each slit unit 31 has more than two micro-slits with narrower widths and a certain interval, further reducing the overall width of the slit units, that is, multiple slits The overall width of the micro-slot can be made narrower than the width of a single-slot unit.
  • the present application also provides an electronic device, the electronic device includes the antenna assembly described in the above embodiments.
  • the resonant bandwidth of the antenna component in the electronic device is wider, which can achieve radiation coverage in the opposite direction of the antenna radiation direction, reduce the distortion of the antenna radiation pattern, enhance the gain, improve the antenna efficiency, and improve the communication effect of the electronic device.

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Abstract

本申请公开了一种天线组件和电子设备，属于通信领域。天线组件包括：天线介质基体；至少一个辐射贴片，辐射贴片设置于天线介质基体的一侧；第一馈电结构，第一馈电结构与辐射贴片电连接；接地板，接地板设置于天线介质基体的另一侧，接地板上设有缝隙单元，每个辐射贴片在接地板上的投影分别对应有至少一个缝隙单元，缝隙单元与投影间隔设置。

Description

天线组件和电子设备
相关申请的交叉引用
本申请主张在2020年7月3日在中国提交的中国专利申请号No.202010636753.7的优先权，其全部内容通过引用包含于此。
技术领域
本申请属于通信领域，具体涉及一种天线组件和电子设备。
背景技术
微带贴片天线有着体积小、低剖面、重量轻、制造工艺简单、容易实现共形等优点，因而常用做毫米波天线。微带贴片天线虽然结构简单，但是带宽比较窄，有时难以覆盖所需的频段，微带贴片天线是单向辐射，无法覆盖与辐射方向相反的方向；此外，当微带贴片天线的地板的尺寸大于数个波长时，电磁能量会在介质层传播形成表面波，会降低天线效率，并且会使天线辐射方向图发生畸变，降低增益，影响通信效果。
发明内容
本申请实施例的目的是提供一种天线组件和电子设备，用以解决微带贴片天线带宽比较窄，无法覆盖与辐射方向相反的方向，天线效率低，天线辐射方向图易发生畸变，降低增益，影响通信效果的问题。
为了解决上述技术问题，本申请是这样实现的：
第一方面，本申请实施例提供了一种天线组件，包括：
天线介质基体；
至少一个辐射贴片，所述辐射贴片设置于所述天线介质基体的一侧；
第一馈电结构，所述第一馈电结构与所述辐射贴片电连接；
接地板，所述接地板设置于所述天线介质基体的另一侧，所述接地板上设有缝隙单元，每个所述辐射贴片在所述接地板上的投影分别对应有至少一个所述缝隙单元，所述缝隙单元与所述投影间隔设置。
其中，所述缝隙单元沿对应的所述投影的周向延伸。
其中，每个所述投影的外周分别分布有多个所述缝隙单元，每个所述投影对应的多个所述缝隙单元围绕对应的所述投影的周向均匀间隔设置。
其中，所述辐射贴片为多边形或圆形，每个所述投影的外周分别分布有四个所述缝隙单元。
其中，相邻的两个所述投影之间分布一个所述缝隙单元。
其中，所述辐射贴片具有多个，多个所述辐射贴片在所述天线介质基体上间隔设置。
其中，所述缝隙单元的长度为在所述天线介质基体中所述天线组件的工作频率对应波长的二分之一，所述缝隙单元的宽度小于所述缝隙单元的长度的五分之一。
其中，还包括：
第二馈电结构，设置于所述天线介质基体的一侧，所述第二馈电结构与所述缝隙单元一一对应，每个所述第二馈电结构在所述接地板上的投影与对应的所述缝隙单元至少部分交叠。
其中，每个所述缝隙单元分别包括多条微缝，多条微缝沿对应的所述缝隙单元的宽度方向平行间隔排布，多条所述微缝分别沿对应的所述投影的周向延伸。
第二方面，本申请实施例还提供了一种电子设备，包括如上述第一方面实施例中所述的天线组件。
在本申请实施例中，所述辐射贴片设置于所述天线介质基体的一侧，所述第一馈电结构与所述辐射贴片电连接，所述接地板设置于所述天线介质基体的另一侧，所述接地板上设有缝隙单元，每个所述辐射贴片在所述接地板上的投影分别对应有至少一个所述缝隙单元，所述缝隙单元与所述投影间隔设置。在本申请的天线组件中，通过接地板上的缝隙单元可以在天线谐振频率附近产生谐振，改善谐振带宽，提升总体谐振带宽，增大天线等效尺寸，使得带宽更宽，能够在天线辐射方向的相反方向实现辐射覆盖，减小天线辐射方向图发生的畸变，增强增益，提高天线效率，提高通信效果。
附图说明
图1是本申请实施例的天线组件中辐射贴片在天线介质基体上的一个示意图；
图2是本申请实施例的天线组件的一个结构示意图；
图3a是本申请实施例的天线组件的另一个结构示意图；
图3b是本申请实施例的天线组件的又一个结构示意图；
图3c是本申请实施例的天线组件的又一个结构示意图；
图3d是本申请实施例的天线组件的又一个结构示意图；
图4是本申请实施例的天线组件中多个辐射贴片的分布示意图；
图5是馈电微带线在天线介质基体上的一个示意图；
图6是本申请实施例的天线组件的又一个结构示意图；
图7是本申请实施例的天线组件的又一个结构示意图；
图8是本申请实施例的天线组件的又一个结构示意图；
图9是微缝分布的一个示意图。
附图标记
天线介质基体10；
辐射贴片20；第一馈点21；
接地板30；缝隙单元31；微缝32；
馈电微带线40；第二馈点41。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象，而不用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便本申请的实施例能够以除了在这里图示或描 述的那些以外的顺序实施。此外，说明书以及权利要求中“和/或”表示所连接对象的至少其中之一，字符“/”，一般表示前后关联对象是一种“或”的关系。
下面结合附图，通过具体的实施例及其应用场景对本申请实施例提供的天线组件进行详细地说明。
如图1至图9所示，根据本申请实施例的天线组件包括天线介质基体10、至少一个辐射贴片20、第一馈电结构和接地板30，其中，辐射贴片20设置于天线介质基体10的一侧，第一馈电结构与辐射贴片20电连接，接地板30设置于天线介质基体10的另一侧，接地板30上设有缝隙单元31，每个辐射贴片20在接地板30上的投影分别对应有至少一个缝隙单元31，缝隙单元31与投影间隔设置。
也就是说，天线组件主要由天线介质基体10、至少一个辐射贴片20、第一馈电结构和接地板30构成，其中，天线介质基体10可以为绝缘材料件，辐射贴片20和接地板30可以分别为金属件，辐射贴片20的形状可以为圆形或多边形。其中，多边形包括正方形。接地板30的形状可以为矩形，接地板30的尺寸可以大于辐射贴片20的尺寸。如图1和图2所示，辐射贴片20可以设置于天线介质基体10的一侧，接地板30设置于天线介质基体10的另一侧，第一馈电结构与辐射贴片20电连接，第一馈电结构可以为设在辐射贴片20上的第一馈点21，第一馈点21可以具有一个或多个，比如两个，通过第一馈电结构可以向辐射贴片20馈电以使辐射贴片20辐射信号，第一馈点21可以和馈电探针、微带线连接，可以通过探针馈电、微带线馈电或耦合馈电等形式实现馈电，可以根据实际需要通过第一馈电结构与辐射贴片20实现单极化辐射或正交双极化辐射。
如图3a至图3d所示，接地板30上可以设有缝隙单元31，每个辐射贴片20在接地板30上的投影分别对应有至少一个缝隙单元31，缝隙单元31与投影间隔设置，缝隙单元31与对应的投影之间的间隔距离可以根据实际情况设置。缝隙单元31的形状可以根据实际情况选择，比如缝隙单元31可以为直线形、曲线形、折线形、U形或者其他长条形，缝隙单元31的长度、宽度和具体数量可以根据实际情况选择。在本申请的天线组件中，通过接地板 30上的缝隙单元31可以在天线谐振频率附近产生谐振，提升谐振带宽，增大天线等效尺寸，使得带宽更宽，能够在天线辐射方向的相反方向实现辐射覆盖，减小天线辐射方向图发生的畸变，增强增益，提高天线效率，提高通信效果。
在本申请的一些实施例中，如图3a和图4所示，缝隙单元31可以沿对应的投影的周向延伸，比如，位于其中一个辐射贴片20在接地板30上的投影的外周的缝隙单元31可以沿着该辐射贴片20的投影的外周方向延伸。每个投影的外周分别分布有多个缝隙单元31，每个投影对应的多个缝隙单元31围绕对应的投影的周向均匀间隔设置，比如，每个投影的外周分别分布有四个缝隙单元31，四个缝隙单元31围绕对应的投影的外周均匀间隔开，有利于改善谐振带宽，增强在天线辐射方向的相反方向的辐射，减小天线辐射方向图发生的畸变，增强增益，提高天线效率。
可选地，如图3a所示，辐射贴片20为矩形状，每个所述投影的外周分别分布有四个缝隙单元31，每个缝隙单元31分别对应辐射贴片20的投影的一条边分布，每个缝隙单元31可以沿着所对应的辐射贴片20的投影的一条边延伸，也即是，每个投影的外周分布的四个缝隙单元31关于该投影的几何中心对称，可以在接地板比较大时维持天线辐射方向图的规则性，同时在多个辐射贴片20以阵列排布时减小表面波对天线辐射方向图的影响，维持天线增益。
在本申请的实施例中，如图4所示，相邻的两个投影之间分布一个缝隙单元31，也即是，相邻的两个投影之间共用一个缝隙单元31，被两个辐射贴片20同时利用，有利于减小相邻的两个投影之间的间距，减小天线组件的体积。当相邻两个辐射贴片20之间的间距较宽时，相邻两个辐射贴片20的投影之间可以分布多个缝隙单元31，比如两个缝隙单元31。在实际应用中，相邻两个辐射贴片20之间的间距、相邻两个辐射贴片20的投影之间的缝隙单元31的个数和位置可以根据实际情况确定。
在本申请的一些实施例中，如图4和图8所示，辐射贴片20可以具有多个，多个辐射贴片20可以在天线介质基体10上间隔设置，多个辐射贴片20可以沿天线介质基体10的长度方向均匀间隔设置，每个辐射贴片20的投影 的外周分别分布有多个均匀间隔设置的缝隙单元31，比如，每个投影的外周分别分布有四个缝隙单元31，在多个辐射贴片20以阵列排布时可以减小表面波对天线辐射方向图的影响，维持天线增益，提高天线效率。
在本申请的另一些实施例中，缝隙单元31的长度可以为在天线介质基体10中天线组件的工作频率对应波长的二分之一，缝隙单元31的宽度小于缝隙单元31的长度的五分之一，增强在天线辐射方向的相反方向的辐射，减小天线辐射方向图发生的畸变，增强增益，缝隙单元31的长度、宽度以及与辐射贴片20的投影的相对位置可以根据实际情况确定。
在本申请的实施例中，如图5至图8所示，天线组件还包括第二馈电结构，第二馈电结构可以设置于天线介质基体10的一侧，第二馈电结构与缝隙单元31一一对应，每个第二馈电结构对应一个缝隙单元31，每个第二馈电结构在接地板30上的投影与对应的缝隙单元31至少部分交叠，通过第二馈电结构可以向对应的缝隙单元31馈电激励，使缝隙单元31可以作为辐射体，使得辐射覆盖天线介质基体10的上下两个方向，增大谐振带宽，增强在天线辐射方向的相反方向的辐射，增强增益，提高天线效率。其中，第二馈电结构可以包括馈电微带线40，在馈电微带线40上可以设置第二馈点41，每个第二馈电结构中的馈电微带线40在接地板30上的投影与对应的缝隙单元31至少部分交叠。
在一些实施例中，如图9所示，每个缝隙单元31可以分别包括多条微缝32，每个缝隙单元31中的多条微缝32可以沿对应的缝隙单元31的宽度方向平行间隔排布，多条微缝32可以分别沿对应的投影的周向延伸，每个缝隙单元31具有两条以上宽度更窄且有一定间隔的微缝，进一步缩小缝隙单元总体的宽度，即多条微缝的总体宽度可以做到比单条缝隙单元宽度窄。
本申请还提供一种电子设备，电子设备包括如上述实施例中所述的天线组件。电子设备中的天线组件谐振带宽更宽，能够在天线辐射方向的相反方向实现辐射覆盖，减小天线辐射方向图发生的畸变，增强增益，提高天线效率，提高电子设备的通信效果。
上面结合附图对本申请的实施例进行了描述，但是本申请并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的， 本领域的普通技术人员在本申请的启示下，在不脱离本申请宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本申请的保护之内。

Claims (10)

  1. 一种天线组件，包括：
    天线介质基体；
    至少一个辐射贴片，所述辐射贴片设置于所述天线介质基体的一侧；
    第一馈电结构，所述第一馈电结构与所述辐射贴片电连接；
    接地板，所述接地板设置于所述天线介质基体的另一侧，所述接地板上设有缝隙单元，每个所述辐射贴片在所述接地板上的投影分别对应有至少一个所述缝隙单元，所述缝隙单元与所述投影间隔设置。
  2. 根据权利要求1所述的天线组件，其中，所述缝隙单元沿对应的所述投影的周向延伸。
  3. 根据权利要求1所述的天线组件，其中，每个所述投影的外周分别分布有多个所述缝隙单元，每个所述投影对应的多个所述缝隙单元围绕对应的所述投影的周向均匀间隔设置。
  4. 根据权利要求3所述的天线组件，其中，所述辐射贴片为多边形或圆形，每个所述投影的外周分别分布有四个所述缝隙单元。
  5. 根据权利要求3所述的天线组件，其中，相邻的两个所述投影之间分布一个所述缝隙单元。
  6. 根据权利要求1所述的天线组件，其中，所述辐射贴片具有多个，多个所述辐射贴片在所述天线介质基体上间隔设置。
  7. 根据权利要求1所述的天线组件，其中，所述缝隙单元的长度为在所述天线介质基体中所述天线组件的工作频率对应波长的二分之一，所述缝隙单元的宽度小于所述缝隙单元的长度的五分之一。
  8. 根据权利要求1所述的天线组件，其中，还包括：
    第二馈电结构，设置于所述天线介质基体的一侧，所述第二馈电结构与所述缝隙单元一一对应，每个所述第二馈电结构在所述接地板上的投影与对应的所述缝隙单元至少部分交叠。
  9. 根据权利要求1所述的天线组件，其中，每个所述缝隙单元分别包括多条微缝，多条微缝沿对应的所述缝隙单元的宽度方向平行间隔排布，多条 所述微缝分别沿对应的所述投影的周向延伸。
  10. 一种电子设备，包括如权利要求1-9中任一项所述的天线组件。
PCT/CN2021/103587 2020-07-03 2021-06-30 天线组件和电子设备 WO2022002138A1 (zh)

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