WO2022017220A1

WO2022017220A1 - Electronic device

Info

Publication number: WO2022017220A1
Application number: PCT/CN2021/105933
Authority: WO
Inventors: 郭景丽; 冯安迪; 张翔; 李肖峰
Original assignee: 华为技术有限公司
Priority date: 2020-07-22
Filing date: 2021-07-13
Publication date: 2022-01-27
Also published as: CN113972497A; CN113972497B

Abstract

Provided in the embodiments of the present application is an electronic device. The electronic device comprises a metal housing, a first feeding branch, a second feeding branch, a first feeding unit and a second feeding unit, wherein the metal housing is formed by an upper surface, a lower surface and a side surface in a surrounding manner; a first notch is provided on the upper surface, a second notch is provided on the lower surface, and an opening is provided on the side surface, the opening, the first notch and the second notch being connected to form a second gap; a first gap is provided on the side surface; the direction of extension of at least part of the first gap is perpendicular to the direction of extension of at least part of the second gap; the first feeding unit couples with and feeds the first gap by means of the first feeding branch; and a second feeding power supply couples with and feeds the second gap by means of the second feeding branch. The polarization mode of an antenna unit formed by the first gap and the first feeding branch is orthogonal to the polarization mode of an antenna unit formed by the second gap and the second feeding branch, and therefore, the antenna unit corresponding to the first gap and the antenna unit corresponding to the second gap are well isolated from each other.

Description

一种电子设备an electronic device

本申请要求于2020年07月22日提交中国专利局、申请号为202010712264.5、申请名称为“一种应用于无线终端的双频双极化全向Wifi天线”的中国专利申请的优先权，以及要求2020年11月30日提交中国专利局、申请号为202011378854.5、申请名称为“一种电子设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。This application claims the priority of the Chinese patent application with the application number 202010712264.5 and the application title "A dual-band dual-polarization omnidirectional Wifi antenna applied to wireless terminals" filed with the China Patent Office on July 22, 2020, and Claims the priority of the Chinese patent application filed on November 30, 2020 with the application number 202011378854.5 of the Chinese Patent Office and the application name is "an electronic device", the entire contents of which are incorporated in this application by reference.

技术领域technical field

本申请涉及无线通信领域，尤其涉及一种电子设备。The present application relates to the field of wireless communication, and in particular, to an electronic device.

背景技术Background technique

无线保真(wireless fidelity，WiFi)通信技术是一种无线联网技术，可以简单理解为无线上网，它是以IEEE 802.11系列标准为基础发展而来的。WiFi技术在生活中最容易见到的应用就是无线路由器和用户驻地设备/客户前置设备(customer premise equipment，CPE)等设备，以及通过无线路由器和CPE的WiFi技术联网的电子设备，例如音箱等。音箱设备只要在无线路由器和CPE等的信号范围里，就能采用WiFi方式上网。WiFi技术可以使无线电子设备，例如电脑、手机等以无线的方式相互联结，适用于短距离传输。目前最常用的WiFi接入标准为IEEE802.11n(***)和802.11ac(第五代)，工作在2.4GHz频段和5GHz频段。Wireless fidelity (WiFi) communication technology is a wireless networking technology, which can be simply understood as wireless Internet access. It is developed based on the IEEE 802.11 series of standards. The most common applications of WiFi technology in life are wireless routers and customer premise equipment (customer premise equipment, CPE) and other equipment, as well as electronic devices connected to the Internet through the WiFi technology of wireless routers and CPE, such as speakers, etc. . As long as the speaker device is within the signal range of the wireless router and CPE, it can use WiFi to surf the Internet. WiFi technology can make wireless electronic devices, such as computers, mobile phones, etc., connect to each other in a wireless manner, which is suitable for short-distance transmission. At present, the most commonly used WiFi access standards are IEEE802.11n (4th generation) and 802.11ac (5th generation), which work in the 2.4GHz and 5GHz frequency bands.

但是，随着电子设备朝着轻薄化设计，电子设备内留给天线结构的空间日益减少，迫切需要满足结构紧凑、成本低、全向辐射等性能的天线结构。However, as electronic devices are designed to be light and thin, the space left for the antenna structure in the electronic device is decreasing, and an antenna structure that meets the performance of compact structure, low cost, and omnidirectional radiation is urgently needed.

发明内容SUMMARY OF THE INVENTION

本申请实施例提供一种电子设备，可以包括一种结构紧凑馈电方式简单的天线结构，天线结构通过在金属壳体上两个相对设置的缝隙可以实现双极化全向天线。可以满足双频段的工作需求。The embodiment of the present application provides an electronic device, which may include an antenna structure with a compact structure and a simple feeding method. The antenna structure can realize a dual-polarization omnidirectional antenna through two oppositely arranged slots on a metal casing. It can meet the working requirements of dual frequency bands.

第一方面，提供了一种电子设备，包括：金属壳体，第一馈电枝节，第二馈电枝节，第一馈电单元和第二馈电单元；其中，所述金属壳体由上表面，下表面和侧面围成，所述上表面设置有第一缺口，所述下表面设置有第二缺口，所述侧面设置有开口，其中所述开口、所述第一缺口和所述第二缺口连接形成第二缝隙；所述侧面设置有第一缝隙，至少一部分所述第一缝隙的延伸方向与至少一部分所述第二缝隙的延伸方向垂直；所述第一馈电枝节与所述第一馈电单元电连接，所述第一馈电枝节位于所述金属壳体内部，为所述第一缝隙间接耦合馈电；所述第二馈电枝节与所述第二馈电单元电连接，所述第二馈电枝节位于所述金属壳体内部，为所述第二缝隙间接耦合馈电。In a first aspect, an electronic device is provided, comprising: a metal casing, a first feeding branch, a second feeding branch, a first feeding unit and a second feeding unit; wherein, the metal casing is formed by an upper The surface, the lower surface and the side are surrounded, the upper surface is provided with a first notch, the lower surface is provided with a second notch, and the side is provided with an opening, wherein the opening, the first notch and the first notch are provided. The two gaps are connected to form a second slot; the side surface is provided with a first slot, and the extending direction of at least a part of the first slot is perpendicular to the extending direction of at least a part of the second slot; the first feeding branch is connected to the The first feeding unit is electrically connected, the first feeding branch is located inside the metal shell, and is indirectly coupled to feed the first slot; the second feeding branch is electrically connected to the second feeding unit connected, the second feeding branch is located inside the metal shell, and is indirectly coupled and feeding for the second slot.

根据本申请实施例的技术方案，由于第一缝隙由三个位于不同平面的缝隙相连所形成，第二缝隙由两个相对设置的缺口和与金属壳体的开口组成，因此，相对设置的缺口大大扩展了第二缝隙的尺寸，充分利用了金属壳体的长方体结构，既保证了辐射缝隙的长度，又降低了天线结构的高度。According to the technical solution of the embodiment of the present application, since the first slit is formed by connecting three slits located on different planes, and the second slit consists of two oppositely arranged gaps and an opening with the metal shell, therefore, the oppositely arranged gaps are formed by The size of the second slot is greatly expanded, and the cuboid structure of the metal shell is fully utilized, which not only ensures the length of the radiation slot, but also reduces the height of the antenna structure.

结合第一方面，在第一方面的某些实现方式中，所述金属壳体为立方体结构，所述侧面包括第一面，第二面和第三面；所述第二面与所述第三面相对设置，所述第二面与所述第三面通过所述第一面连接；所述第一缝隙设置在所述第一面，所述第二面和所述第三面上；所述开口与所述第一面相对设置。With reference to the first aspect, in some implementations of the first aspect, the metal shell is a cubic structure, and the side surfaces include a first surface, a second surface and a third surface; the second surface is connected to the first surface. Three sides are arranged opposite to each other, the second side and the third side are connected through the first side; the first slit is arranged on the first side, the second side and the third side; The opening is disposed opposite to the first surface.

结合第一方面，在第一方面的某些实现方式中，所述第一缝隙和所述第一馈电枝节形成第一天线单元；所述第二缝隙和所述第二馈电枝节形成第二天线单元；所述第一天线单元的极化方向与所述第二天线的极化方向正交。With reference to the first aspect, in some implementations of the first aspect, the first slot and the first feeding branch form a first antenna unit; the second slot and the second feeding branch form a first antenna unit Two antenna units; the polarization direction of the first antenna unit is orthogonal to the polarization direction of the second antenna.

根据本申请实施例的技术方案，当第一缝隙为水平缝隙，第二缝隙为垂直缝隙时，通过第一缝隙实现垂直极化全向辐射，通过第二缝隙实现水平极化全向辐射，因此，两个天线单元在同一金属壳体内具有良好的隔离度。According to the technical solutions of the embodiments of the present application, when the first slot is a horizontal slot and the second slot is a vertical slot, the vertical polarization omnidirectional radiation is realized through the first slot, and the horizontal polarization omnidirectional radiation is realized through the second slot, so , the two antenna units have good isolation in the same metal casing.

结合第一方面，在第一方面的某些实现方式中，所述第一馈电枝节为折线结构。With reference to the first aspect, in some implementations of the first aspect, the first feeding branch is a broken line structure.

结合第一方面，在第一方面的某些实现方式中，所述第一馈电枝节为U型结构。With reference to the first aspect, in some implementations of the first aspect, the first feeding branch is a U-shaped structure.

根据本申请实施例的技术方案，可以有效缩减第一馈电枝节所占用的空间的物理尺寸，利于实现天线结构的小型化。According to the technical solutions of the embodiments of the present application, the physical size of the space occupied by the first feeding branch can be effectively reduced, which is beneficial to realize the miniaturization of the antenna structure.

结合第一方面，在第一方面的某些实现方式中，所述第二馈电枝节包括多个金属段，所述多个金属段中的任意两个相邻的金属段之间形成角度使所述第二馈电枝节呈阶梯型结构。With reference to the first aspect, in some implementations of the first aspect, the second feeding branch includes a plurality of metal segments, and an angle formed between any two adjacent metal segments in the plurality of metal segments makes the The second feeding branch has a stepped structure.

根据本申请实施例的技术方案，可以有效缩减第二馈电枝节所占用的空间的物理尺寸，利于实现天线结构的小型化。According to the technical solutions of the embodiments of the present application, the physical size of the space occupied by the second feeding branch can be effectively reduced, which is beneficial to realize the miniaturization of the antenna structure.

结合第一方面，在第一方面的某些实现方式中，所述第二馈电枝节和所述上表面之间的距离与所述第二馈电枝节和所述下表面之间的距离相同。In conjunction with the first aspect, in some implementations of the first aspect, the distance between the second feeding branch and the upper surface is the same as the distance between the second feeding branch and the lower surface .

根据本申请实施例的技术方案，第二馈电枝节可以位于开口的中心位置进行馈电，也可以偏离开口的中心位置，可以根据实际的设计或生产需求进行调整。According to the technical solutions of the embodiments of the present application, the second feeding branch can be positioned at the center of the opening for feeding, or can be deviated from the center of the opening, and can be adjusted according to actual design or production requirements.

结合第一方面，在第一方面的某些实现方式中，所述第一缺口和所述第二缺口为梯形；所述第一缺口的下底与所述开口连接，所述第二缺口的下底与所述开口连接。With reference to the first aspect, in some implementations of the first aspect, the first notch and the second notch are trapezoidal; the lower bottom of the first notch is connected to the opening, and the second notch is The lower bottom is connected with the opening.

根据本申请实施例的技术方案，通过调整第二缝隙中梯形缺口的高可以优化水平极化低频频段的谐振频点及带宽，调整第二缝隙的宽度可以优化天线结构在水平极化高频频段的谐振点的全向性。According to the technical solutions of the embodiments of the present application, by adjusting the height of the trapezoidal notch in the second slot, the resonance frequency and bandwidth of the horizontally polarized low-frequency band can be optimized, and by adjusting the width of the second slot, the antenna structure can be optimized in the horizontally-polarized high-frequency band The omnidirectionality of the resonance point.

结合第一方面，在第一方面的某些实现方式中，所述第一缺口的上底长介于0.01至0.12个第一波长之间，下底长介于0.04至0.12个第一波长之间，高介于0.04至0.12个第一波长之间；所述第二缺口的上底长介于0.01至0.12个第一波长之间，下底长介于0.04至0.12个第一波长之间，高介于0.04至0.12个第一波长之间；其中，所述第一波长为所述第一馈电单元或所述第二馈电单元工作时，所述第一缝隙或所述第二缝隙产生的工作频段中最低频率对应的波长。In combination with the first aspect, in some implementations of the first aspect, the length of the upper base of the first notch is between 0.01 and 0.12 first wavelengths, and the length of the lower base is between 0.04 and 0.12 first wavelengths. time, the height is between 0.04 to 0.12 first wavelengths; the upper bottom length of the second gap is between 0.01 to 0.12 first wavelengths, and the lower bottom length is between 0.04 to 0.12 first wavelengths , the height is between 0.04 and 0.12 first wavelengths; wherein, the first wavelength is when the first feeding unit or the second feeding unit works, the first slot or the second The wavelength corresponding to the lowest frequency in the operating frequency band generated by the slot.

结合第一方面，在第一方面的某些实现方式中，所述电子设备还包括：第一寄生枝节和第二寄生枝节；所述第一寄生枝节位于所述第二馈电枝节与所述上表面之间；所述第二寄生枝节位于所述第二馈电枝节与所述下表面之间；所述第一寄生枝节和所述第二寄生枝节的尺寸相同。With reference to the first aspect, in some implementations of the first aspect, the electronic device further includes: a first parasitic branch and a second parasitic branch; the first parasitic branch is located between the second feeding branch and the between the upper surfaces; the second parasitic branch is located between the second feeding branch and the lower surface; the first parasitic branch and the second parasitic branch have the same size.

根据本申请实施例的技术方案，由于两个寄生枝节与第二馈电枝节之间会产生互相耦合，可以使第二天线单元获得更宽的带宽。并且，它们的尺寸只影响第二天线单元的阻抗特性，几乎不影响第二天线单元的辐射特性，保障了在双频段的全向辐射特性良好。According to the technical solutions of the embodiments of the present application, since mutual coupling occurs between the two parasitic branches and the second feeding branch, the second antenna unit can obtain a wider bandwidth. Moreover, their size only affects the impedance characteristic of the second antenna unit, and hardly affects the radiation characteristic of the second antenna unit, which ensures good omnidirectional radiation characteristic in dual frequency bands.

结合第一方面，在第一方面的某些实现方式中，所述第一寄生枝节与所述第二寄生枝节沿所述第二馈电枝节的长度方向对称。With reference to the first aspect, in some implementations of the first aspect, the first parasitic branch and the second parasitic branch are symmetrical along a length direction of the second feeding branch.

根据本申请实施例的技术方案，通过调整第二馈电枝节的尺寸，或者，第一寄生枝节与第二馈电枝节之间的距离和第二寄生枝节与第二馈电枝节之间的距离可以调整由第二缝隙和第二馈电枝节组成的第二天线单元的阻抗匹配，可以优化第二天线单元在水平极化高频段的匹配。According to the technical solutions of the embodiments of the present application, by adjusting the size of the second feeding branch, or the distance between the first parasitic branch and the second feeding branch and the distance between the second parasitic branch and the second feeding branch The impedance matching of the second antenna unit composed of the second slot and the second feeding branch can be adjusted, and the matching of the second antenna unit in the horizontally polarized high frequency band can be optimized.

结合第一方面，在第一方面的某些实现方式中，所述第一寄生枝节与所述第二馈电枝节之间的距离介于0.006至0.08个第一波长之间；所述第二寄生枝节与所述第二馈电枝节之间的距离介于0.006至0.08个第一波长之间；其中，所述第一波长为所述第一馈电单元或所述第二馈电单元工作时，所述第一缝隙或所述第二缝隙产生的工作频段中最低频率对应的波长。In conjunction with the first aspect, in some implementations of the first aspect, the distance between the first parasitic branch and the second feeding branch is between 0.006 and 0.08 first wavelengths; the second The distance between the parasitic branch and the second feeding branch is between 0.006 and 0.08 first wavelengths; wherein, the first wavelength is the operation of the first feeding unit or the second feeding unit , the wavelength corresponding to the lowest frequency in the operating frequency band generated by the first slot or the second slot.

结合第一方面，在第一方面的某些实现方式中，所述金属壳体的长度介于0.1至0.5个第一波长之间，宽度介于0.04至0.2个第一波长之间，高度介于0.1至0.5个第一波长之间；其中，所述第一波长为所述第一馈电单元或所述第二馈电单元工作时，所述第一缝隙或所述第二缝隙产生的工作频段中最低频率对应的波长。In combination with the first aspect, in some implementations of the first aspect, the metal casing has a length between 0.1 and 0.5 first wavelengths, a width between 0.04 and 0.2 first wavelengths, and a height between 0.1 and 0.2 first wavelengths. between 0.1 and 0.5 first wavelengths; wherein, the first wavelength is generated by the first slot or the second slot when the first feeding unit or the second feeding unit is working The wavelength corresponding to the lowest frequency in the operating frequency band.

根据本申请实施例的技术方案，通过第一天线单元和第二天线单元的极化方式分别为垂直极化和水平极化，因此，两个天线单元在同一金属壳体内具有良好的隔离度。同时，由于第一缝隙和第二缝隙均采用三维设置，分别位于不同的三个平面上，极大的降低了天线结构的尺寸，有利于天线结构的小型化。According to the technical solutions of the embodiments of the present application, the polarization modes of the first antenna unit and the second antenna unit are vertical polarization and horizontal polarization, respectively. Therefore, the two antenna units have good isolation in the same metal casing. At the same time, since the first slot and the second slot are three-dimensionally arranged and located on three different planes, the size of the antenna structure is greatly reduced, which is beneficial to the miniaturization of the antenna structure.

结合第一方面，在第一方面的某些实现方式中，所述第一缝隙的长度介于0.168至0.504个第一波长之间，宽度介于0.004至0.012个第一波长之间。In conjunction with the first aspect, in some implementations of the first aspect, the first slit has a length between 0.168 and 0.504 first wavelengths and a width between 0.004 and 0.012 first wavelengths.

结合第一方面，在第一方面的某些实现方式中，所述第一馈电枝节的长度介于0.05至0.35个第一波长之间，宽度介于0.02至0.08个第一波长之间。In conjunction with the first aspect, in some implementations of the first aspect, the first feeding branch has a length between 0.05 and 0.35 first wavelengths and a width between 0.02 and 0.08 first wavelengths.

结合第一方面，在第一方面的某些实现方式中，所述第二馈电枝节130展开后长度介于0.04至0.34个第一波长之间，所述第二馈电枝节的宽度介于0.01至0.08个第一波长之间。With reference to the first aspect, in some implementations of the first aspect, the expanded length of the second feeding branch 130 is between 0.04 and 0.34 first wavelengths, and the width of the second feeding branch is between Between 0.01 and 0.08 first wavelengths.

结合第一方面，在第一方面的某些实现方式中，所述第一天线单元和所述第二天线单元的工作频段覆盖无线保真WiFi的2.4GHz频段和5GHz频段。With reference to the first aspect, in some implementations of the first aspect, the operating frequency bands of the first antenna unit and the second antenna unit cover the 2.4 GHz frequency band and the 5 GHz frequency band of Wi-Fi WiFi.

根据本申请实施例的技术方案，第一天线单元的第一工作频段和第二天线单元的第三工作频段可以覆盖WiFi的2.4GHz(2.4GHz–2.4835GHz)频段，第一天线单元的第二工作频段和第二天线单元的第四工作频段可以覆盖WiFi的5GHz(5.15GHz–5.825GHz)频段。According to the technical solutions of the embodiments of the present application, the first working frequency band of the first antenna unit and the third working frequency band of the second antenna unit may cover the 2.4GHz (2.4GHz-2.4835GHz) frequency band of WiFi, and the second working frequency band of the first antenna unit The working frequency band and the fourth working frequency band of the second antenna unit may cover the 5GHz (5.15GHz-5.825GHz) frequency band of WiFi.

结合第一方面，在第一方面的某些实现方式中，所述金属壳体为电子设备的外壳的一部分。In conjunction with the first aspect, in some implementations of the first aspect, the metal casing is a part of a housing of an electronic device.

结合第一方面，在第一方面的某些实现方式中，所述电子设备为音箱、或无线路由器、或用户驻地设备CPE。With reference to the first aspect, in some implementations of the first aspect, the electronic device is a sound box, or a wireless router, or a customer premises equipment CPE.

附图说明Description of drawings

图1是本申请实施例提供的电子设备的示意图。FIG. 1 is a schematic diagram of an electronic device provided by an embodiment of the present application.

图2是本申请实施例提供的天线结构的立体结构示意图。FIG. 2 is a schematic three-dimensional structural diagram of an antenna structure provided by an embodiment of the present application.

图3是本申请实施例提供的金属壳体不同视角的立体结构示意图。FIG. 3 is a schematic three-dimensional structural diagram of a metal casing provided in an embodiment of the present application from different viewing angles.

图4是本申请实施例提供的天线结构的平面示意图。FIG. 4 is a schematic plan view of an antenna structure provided by an embodiment of the present application.

图5是本申请实施例提供的金属壳体的结构示意图。FIG. 5 is a schematic structural diagram of a metal casing provided by an embodiment of the present application.

图6是金属壳体沿第一面，第二面，第三面的平面展开图。FIG. 6 is a plan development view of the metal casing along the first surface, the second surface and the third surface.

图7是第一馈电枝节的结构示意图。FIG. 7 is a schematic structural diagram of the first feeding branch.

图8是第二馈电枝节的结构示意图。FIG. 8 is a schematic structural diagram of the second feeding branch.

图9是图2所示天线结构的S参数仿真结果示意图。FIG. 9 is a schematic diagram of an S-parameter simulation result of the antenna structure shown in FIG. 2 .

图10是图2所示天线结构第一馈电单元工作时对应的方向图。FIG. 10 is a corresponding directional diagram when the first feeding unit of the antenna structure shown in FIG. 2 is in operation.

图11是图2所示天线结构第二馈电单元工作时对应的方向图。FIG. 11 is a corresponding directional diagram when the second feeding unit of the antenna structure shown in FIG. 2 is in operation.

图12是本申请实施例提供的另一种天线结构的立体结构示意图。FIG. 12 is a schematic three-dimensional structural diagram of another antenna structure provided by an embodiment of the present application.

图13是图12所示天线结构的S参数仿真结果示意图。FIG. 13 is a schematic diagram of the S-parameter simulation result of the antenna structure shown in FIG. 12 .

图14是图12所示天线结构第一馈电单元工作时对应的方向图。FIG. 14 is a directional diagram corresponding to the operation of the first feeding unit of the antenna structure shown in FIG. 12 .

图15是图12所示天线结构第二馈电单元工作时对应的方向图。FIG. 15 is a corresponding directional diagram when the second feeding unit of the antenna structure shown in FIG. 12 is working.

具体实施方式detailed description

下面将结合附图，对本申请中的技术方案进行描述。The technical solutions in the present application will be described below with reference to the accompanying drawings.

应理解，在本申请中“电连接”可理解为元器件物理接触并电导通；也可理解为线路构造中不同元器件之间通过印制电路板(printed circuit board，PCB)铜箔或导线等可传输电信号的实体线路进行连接的形式。“通信连接”可以指电信号传输，包括无线通信连接和有线通信连接。无线通信连接不需要实体媒介，且不属于对产品构造进行限定的连接关系。“连接”、“相连”均可以指一种机械连接关系或物理连接关系，即A与B连接或A与B相连可以指，A与B之间存在紧固的构件(如螺钉、螺栓、铆钉等)，或者A与B相互接触且A与B难以被分离。It should be understood that in this application, "electrical connection" can be understood as physical contact and electrical conduction between components; it can also be understood as a printed circuit board (printed circuit board, PCB) copper foil or wire between different components in the circuit structure It is a form of connection in the form of physical lines that can transmit electrical signals. A "communication connection" may refer to the transmission of electrical signals, including wireless communication connections and wired communication connections. The wireless communication connection does not require a physical medium, and does not belong to the connection relationship that defines the product structure. Both "connection" and "connection" can refer to a mechanical connection relationship or physical connection relationship, that is, the connection between A and B or the connection between A and B can refer to the existence of fastened components (such as screws, bolts, rivets, etc.) between A and B. etc.), or A and B are in contact with each other and A and B are difficult to be separated.

本申请提供的技术方案适用于采用以下一种或多种通信技术的电子设备：蓝牙(bluetooth，BT)通信技术、全球定位***(global positioning system，GPS)通信技术、无线保真(wireless fidelity，WiFi)通信技术、全球移动通讯***(global system for mobile communications，GSM)通信技术、宽频码分多址(wideband code division multiple access，WCDMA)通信技术、长期演进(long term evolution，LTE)通信技术、5G通信技术以及未来其他通信技术等。本申请实施例中的电子设备可以是手机、平板电脑、笔记本电脑、智能手环、智能手表、智能头盔、智能眼镜等。电子设备还可以是蜂窝电话、无绳电话、会话启动协议(session initiation protocol，SIP)电话、无线本地环路(wireless local loop，WLL)站、个人数字助手(personal digital assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备，5G网络中的电子设备或者未来演进的公用陆地移动通信网络(public land mobile network，PLMN)中的电子设备等，本申请实施例对此并不限定。The technical solutions provided in this application are applicable to electronic devices using one or more of the following communication technologies: Bluetooth (bluetooth, BT) communication technology, global positioning system (global positioning system, GPS) communication technology, wireless fidelity (wireless fidelity, WiFi) communication technology, global system for mobile communications (GSM) communication technology, wideband code division multiple access (WCDMA) communication technology, long term evolution (LTE) communication technology, 5G communication technology and other communication technologies in the future. The electronic devices in the embodiments of the present application may be mobile phones, tablet computers, notebook computers, smart bracelets, smart watches, smart helmets, smart glasses, and the like. The electronic device may also be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), with wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, electronic devices in 5G networks or electronic devices in the future evolved public land mobile network (PLMN), etc. The application examples are not limited to this.

图1示例性示出了本申请提供的电子设备内部环境，以电子设备为音箱进行说明。FIG. 1 exemplarily shows the internal environment of the electronic device provided by the present application, and the electronic device is used as a sound box for description.

如图1所示，电子设备10可以包括：外壳11和扬声器12。As shown in FIG. 1 , the electronic device 10 may include: a housing 11 and a speaker 12 .

应理解，扬声器12是一种电声换能器件，所有的信号处理部分，最终都是为推动音箱准备的。经功率放大的音频信号通过电磁、压电或静电效应使其纸盆或振膜运动，以带动周围的空气从而发出声响。It should be understood that the speaker 12 is an electro-acoustic transducer, and all signal processing parts are ultimately prepared for driving the sound box. The power-amplified audio signal moves the paper cone or diaphragm through electromagnetic, piezoelectric or electrostatic effects to drive the surrounding air to make sound.

其中，电子设备内部还可以包括印刷电路板(printed circuit board，PCB)，用于处理电信号。印刷电路板PCB可以采用耐燃材料(FR-4)介质板，也可以采用罗杰斯(Rogers)介质板，也可以采用Rogers和FR-4的混合介质板，等等。这里，FR-4是一种耐燃材料等级的代号，Rogers介质板一种高频板。印刷电路板PCB外壳11的一侧可以设置一金属层，该金属层可以通过在PCB17的表面蚀刻金属形成。该金属层可用于印刷电路板PCB上承载的电子元件接地，以防止用户触电或设备损坏。该金属层可以称为PCB地板。不限于PCB地板，电子设备10还可以具有其他用来接地的地板，例如金属中框或者电子设备中其他的金属平面。此外，PCB上设置有多个电子元件，多个电子元件包括处理器，电源管理模块、内存、传感器、SIM卡接口等中的一个或多个，这些电子元件的内部或表面也会设置有金属。The electronic device may further include a printed circuit board (printed circuit board, PCB) for processing electrical signals. The printed circuit board PCB can use flame retardant material (FR-4) dielectric board, also can use Rogers (Rogers) dielectric board, can also use Rogers and FR-4 mixed dielectric board, and so on. Here, FR-4 is the code name for a grade of flame-resistant materials, and Rogers dielectric board is a high-frequency board. A metal layer may be provided on one side of the PCB housing 11 of the printed circuit board, and the metal layer may be formed by etching metal on the surface of the PCB 17 . This metal layer can be used to ground electronic components carried on a printed circuit board (PCB) to prevent electric shock to users or damage to equipment. This metal layer can be referred to as the PCB floor. Not limited to the PCB floor, the electronic device 10 may also have other floors for grounding, such as a metal midframe or other metal planes in the electronic device. In addition, a plurality of electronic components are provided on the PCB, and the plurality of electronic components include one or more of a processor, a power management module, a memory, a sensor, a SIM card interface, etc., and the interior or surface of these electronic components will also be provided with metal .

其中，电子设备10还可以包括电池，在此未示出。电池可以设置于外壳11内。电池的内部或表面也会设置有金属层。Wherein, the electronic device 10 may also include a battery, which is not shown here. The battery can be arranged in the casing 11 . The interior or surface of the battery may also be provided with a metal layer.

其中，外壳11可以是金属材料制成的，也可以是非导电材料制成的，如玻璃外壳、塑料外壳等非金属外壳。The casing 11 may be made of a metal material or a non-conductive material, such as a glass casing, a plastic casing and other non-metal casings.

图1仅示意性的示出了电子设备10包括的一些部件，这些部件的实际形状、实际大小和实际构造不受图1限定。此外，电子设备10还可以包括显示屏、传感器等器件。FIG. 1 only schematically shows some components included in the electronic device 10 , and the actual shapes, actual sizes and actual structures of these components are not limited by FIG. 1 . In addition, the electronic device 10 may also include devices such as a display screen, a sensor, and the like.

应理解，根据天线结构在远场辐射的方向图的形状的不同，天线结构被分为两类：定向天线与全向天线。定向天线朝某个特定方向辐射，而全向天线，一般是指水平面的远场方向图近似为圆形的天线。由于全向天线在方位平面上具有360°全覆盖的优点，在无线局域网、基站和便携式设备等众多无线通信***中，都有广泛的应用。It should be understood that, according to the different shapes of the radiation patterns of the antenna structures in the far field, the antenna structures are divided into two categories: directional antennas and omnidirectional antennas. A directional antenna radiates in a specific direction, while an omnidirectional antenna generally refers to an antenna whose far-field pattern on the horizontal plane is approximately circular. Because the omnidirectional antenna has the advantage of 360° full coverage on the azimuth plane, it is widely used in many wireless communication systems such as wireless local area networks, base stations and portable devices.

同时，双极化天线能够在克服多径衰落效应的同时提高***的信道容量，为了设计具有全向辐射方向图的双极化天线，人们进行了大量的研究。在全向双极化天线设计中，选择合适的垂直极化和水平极化的辐射单元是非常重要的。此外，常见的双极化全向天线是将两个分别具有水平极化全向特性和垂直极化全向特性的天线组合到一起而实现的。使用怎样的组合方式不会使单个天线的工作性能恶化，并且使整体的体积尽量紧凑，是双极化天线设计的难点。因此，被广泛应用于空间和无线通信等领域中的双极化天线，具有体积小、有效提高频谱效率、增加信道容量等优点。Meanwhile, dual-polarized antennas can improve the channel capacity of the system while overcoming the multipath fading effect. In order to design dual-polarized antennas with omnidirectional radiation patterns, a lot of research has been done. In the design of an omnidirectional dual-polarized antenna, it is very important to select the appropriate vertical and horizontally polarized radiating elements. In addition, the common dual-polarized omnidirectional antenna is realized by combining two antennas with horizontal polarization omnidirectional characteristic and vertical polarization omnidirectional characteristic respectively. How to use a combination method will not deteriorate the performance of a single antenna, and make the overall volume as compact as possible, which is the difficulty of dual-polarized antenna design. Therefore, dual-polarized antennas are widely used in the fields of space and wireless communication, and have the advantages of small size, effectively improving spectral efficiency, and increasing channel capacity.

本申请实施例提供了一种电子设备，可以包括一种结构紧凑馈电方式简单的天线结构，天线结构通过在金属壳体上两个相对设置的缝隙可以实现双极化全向天线。可以满足双频段的工作需求。The embodiment of the present application provides an electronic device, which may include an antenna structure with a compact structure and a simple feeding method, and the antenna structure can realize a dual-polarization omnidirectional antenna through two oppositely arranged slots on a metal casing. It can meet the working requirements of dual frequency bands.

图2至图8是本申请实施例提供的一种天线结构的结构示意图。其中，图2是天线结构的立体结构示意图。图3是金属壳体不同视角的立体结构示意图。图4是天线结构的平面示意图，其中，图4中的(a)是天线结构的主视图，图4中的(b)是天线结构的侧视图，图4中的(c)是天线结构的俯视图。图5是本申请实施例提供的金属壳体的结构示意图。图6是金属壳体沿第一面，第二面，第三面的平面展开图。图7是第一馈电枝节的结构示意图。图8是第二馈电枝节的结构示意图。2 to 8 are schematic structural diagrams of an antenna structure provided by an embodiment of the present application. 2 is a schematic three-dimensional structural diagram of an antenna structure. FIG. 3 is a schematic three-dimensional structural diagram of a metal shell from different viewing angles. FIG. 4 is a schematic plan view of the antenna structure, wherein (a) in FIG. 4 is a front view of the antenna structure, (b) in FIG. 4 is a side view of the antenna structure, and (c) in FIG. 4 is the antenna structure Top view. Fig. 5 is a schematic structural diagram of the metal casing provided by the embodiment of the present application. FIG. 6 is a plan development view of the metal casing along the first surface, the second surface and the third surface. FIG. 7 is a schematic structural diagram of the first feeding branch. FIG. 8 is a schematic structural diagram of the second feeding branch.

如图2所示，天线结构可以包括金属壳体100，第一馈电枝节120，第二馈电枝节130金属壳体100可以由侧面110，上表面114和下表面115围成。金属壳体100的侧面100设置有开口213，侧面110还设置有第一缝隙201金属壳体100的上表面114设置有第一缺口211，下表面115设置有第二缺口212。开口213与第一缺口211和第二缺口212连接形成第二缝隙202。第一馈电枝节120和第二馈电枝节130可以位于金属壳体100内部。至少一部分第一缝隙201的延伸方向与至少一部分第二缝隙202的延伸方向垂直。As shown in FIG. 2 , the antenna structure may include a metal casing 100 , a first feeding branch 120 , and a second feeding branch 130 . The metal casing 100 may be surrounded by a side surface 110 , an upper surface 114 and a lower surface 115 . The side 100 of the metal casing 100 is provided with an opening 213 , and the side 110 is further provided with a first slit 201 . The opening 213 is connected with the first notch 211 and the second notch 212 to form the second slit 202 . The first feeding branch 120 and the second feeding branch 130 may be located inside the metal housing 100 . The extending direction of at least a part of the first slits 201 is perpendicular to the extending direction of at least a part of the second slits 202 .

如图4所示，天线结构还可以包括第一馈电单元140和第二馈电单元150。第一馈电单元140可以与第一馈电枝节120电连接，为第一缝隙201间接耦合馈电。第二馈电单元150可以与第二馈电枝节130电连接，为第二缝隙202间接耦合馈电。As shown in FIG. 4 , the antenna structure may further include a first feeding unit 140 and a second feeding unit 150 . The first feeding unit 140 may be electrically connected to the first feeding branch 120 to indirectly couple and feed the first slot 201 . The second feeding unit 150 may be electrically connected to the second feeding branch 130 to indirectly couple and feed the second slot 202 .

应理解，本申请实施例提供的天线结构全部为金属，并不需要设置介质层，因此，没有介质损耗，效率高。It should be understood that the antenna structures provided in the embodiments of the present application are all metal, and no dielectric layer is required. Therefore, there is no dielectric loss and high efficiency.

其中，如图3所示，金属壳体100可以为立方体结构，金属壳体100的侧面可以包括第一面111，第二面112和第三面113。第二面112与第三面113相对设置，第二面112与第三面113通过第一面111连接。第一面111，第二面112和第三面113上设置有第一缝隙201，第一缝隙201贯穿第一面111。Wherein, as shown in FIG. 3 , the metal shell 100 may be a cubic structure, and the side surfaces of the metal shell 100 may include a first surface 111 , a second surface 112 and a third surface 113 . The second surface 112 is disposed opposite to the third surface 113 , and the second surface 112 and the third surface 113 are connected by the first surface 111 . The first surface 111 , the second surface 112 and the third surface 113 are provided with first slits 201 , and the first slits 201 penetrate through the first surface 111 .

应理解，至少一部分第一缝隙201的延伸方向可以认为是第一缝隙201在第一面111上的长度方向，或者，第一缝隙201在第二面112上的长度方向，或者，第一缝隙201在第三面113上的长度方向。至少一部分第二缝隙202的延伸方向可以认为是开口213的长度方向，或者，第一缺口211在上表面的长度方向，或者，第二缺口212在下表面的长度方向。应理解，本申请实施例中以第一缝隙201和第二缝隙202是平滑缝隙为例进行说明，实际生产或设计中也可以是其他形式的缝隙，本申请对此并不做限制。It should be understood that the extension direction of at least a part of the first slit 201 may be considered as the length direction of the first slit 201 on the first surface 111, or the length direction of the first slit 201 on the second surface 112, or the first slit The length direction of 201 on the third surface 113 . The extending direction of at least a part of the second slit 202 may be considered as the length direction of the opening 213 , or the length direction of the first notch 211 on the upper surface, or the length direction of the second notch 212 on the lower surface. It should be understood that in the embodiment of the present application, the first slit 201 and the second slit 202 are smooth slits as an example for description, and other forms of slits may also be used in actual production or design, which is not limited in the present application.

如图4所示，第一馈电枝节120上设置有第一馈电点121，第一馈电单元140在第一馈电点121处与第一馈电枝节120电连接，第一馈电枝节120位于金属壳体100内为第一缝隙201间接耦合馈电。第二馈电枝节130上设置有第二馈电点131，第二馈电单元150在第二馈电点131处与第二馈电枝节130电连接，第二馈电枝节130位于金属壳体100内为第二缝隙202间接耦合馈电。As shown in FIG. 4 , the first feeding branch 120 is provided with a first feeding point 121 , and the first feeding unit 140 is electrically connected to the first feeding branch 120 at the first feeding point 121 , and the first feeding The branch 120 is located in the metal casing 100 to indirectly couple and feed the first slot 201 . The second feeding branch 130 is provided with a second feeding point 131 , the second feeding unit 150 is electrically connected to the second feeding branch 130 at the second feeding point 131 , and the second feeding branch 130 is located in the metal shell The second slot 202 is indirectly coupled and fed within 100 .

本申请实施例提供的天线结构中，包括由第一缝隙201和第一馈电枝节120组成的第一天线单元和由第二缝隙202和第二馈电枝节130组成的第二天线单元。如图4所示，第一缝隙201为水平缝隙，第二缝隙202为垂直缝隙。通过第一天线单元和第二天线单元分别产生垂直极化辐射和水平极化辐射，因此，两个天线单元在同一金属壳体内具有良好的隔离度。同时，由于第一缝隙201和第二缝隙202均采用三维设置，分别位于不同的三个平面上，极大的减小了天线结构的尺寸，有利于天线结构的小型化。The antenna structure provided in the embodiment of the present application includes a first antenna unit composed of a first slot 201 and a first feeding branch 120 , and a second antenna unit formed by a second slot 202 and a second feeding branch 130 . As shown in FIG. 4 , the first slit 201 is a horizontal slit, and the second slit 202 is a vertical slit. The vertically polarized radiation and the horizontally polarized radiation are generated by the first antenna unit and the second antenna unit, respectively. Therefore, the two antenna units have good isolation in the same metal casing. At the same time, since the first slot 201 and the second slot 202 are both three-dimensionally arranged and located on three different planes, the size of the antenna structure is greatly reduced, which is beneficial to the miniaturization of the antenna structure.

应理解，在本申请实施例，为介绍的简洁，以第一缝隙201为水平缝隙，第二缝隙202为垂直缝隙为例进行说明，在实际生产或设计中，由于电子设备内其他器件的布局或其他原因，第一缝隙201可以不为水平缝隙，第二缝隙202可以不为垂直缝隙，只需要确保至少一部分第一缝隙201的延伸方向与至少一部分第二缝隙202的延伸方向垂直，则第一天线单元的极化方向和第二天线单元的极化方向正交，两个天线单元在同一金属壳体内具有良好的隔离度。同时，至少一部分第一缝隙201的延伸方向与至少一部分第二缝隙202的延伸方向垂直可以理解为至少一部分第一缝隙201的延伸方向与至少一部分第二缝隙202的延伸方向呈80°至100°角。It should be understood that in the embodiments of the present application, for the sake of brevity, the first slit 201 is a horizontal slit and the second slit 202 is a vertical slit as an example for description. In actual production or design, due to the layout of other devices in the electronic device Or for other reasons, the first slit 201 may not be a horizontal slit, and the second slit 202 may not be a vertical slit. It only needs to ensure that the extending direction of at least a part of the first slit 201 is perpendicular to the extending direction of at least a part of the second slit 202, then the first The polarization direction of one antenna element is orthogonal to the polarization direction of the second antenna element, and the two antenna elements have good isolation in the same metal casing. Meanwhile, the extension direction of at least a part of the first slit 201 is perpendicular to the extension direction of at least a part of the second slit 202, it can be understood that the extension direction of at least a part of the first slit 201 and the extension direction of at least a part of the second slit 202 are 80° to 100° Horn.

应理解，间接耦合是相对于直接耦合的概念，即隔空耦合，两者之间并不直接电连接。而直接耦合是直接电连接，在馈电点处直接馈电。同时，通过间接耦合馈电可以有效拓展天线结构的工作带宽。It should be understood that indirect coupling is a concept relative to direct coupling, that is, air-space coupling, and there is no direct electrical connection between the two. Whereas, direct coupling is a direct electrical connection, feeding directly at the feed point. At the same time, the working bandwidth of the antenna structure can be effectively expanded through indirect coupling and feeding.

可选地，第二馈电枝节130位于开口213的中心位置，开口213的中心位置可以理解为金属壳体100高度方向的中心位置，或者，距离中心位置有15％上下高度方向范围内的偏移。中心位置可以理解为第二馈电枝节130和上表面114之间的距离与第二馈电枝节130和下表面115之间的距离相同。第二馈电枝节130和上表面114之间的距离可以认为是第二馈电枝节130上的任意一点与上表面114上任意一点的直线距离的最小值，第二馈电枝节130和下表面115之间的距离也可以相应理解。Optionally, the second feeding branch 130 is located at the center of the opening 213, and the center position of the opening 213 can be understood as the center position in the height direction of the metal casing 100, or it is 15% offset from the center position in the upper and lower height directions. shift. The center position can be understood as the distance between the second feeding branch 130 and the upper surface 114 is the same as the distance between the second feeding branch 130 and the lower surface 115 . The distance between the second feeding branch 130 and the upper surface 114 can be considered as the minimum value of the straight-line distance between any point on the second feeding branch 130 and any point on the upper surface 114, and the second feeding branch 130 and the lower surface The distance between 115 can also be understood accordingly.

可选地，第一馈电枝节120和第二馈电枝节130可以通过介质柱，支架等方式固定在金属壳体100内，也可采用其他方式进行固定，本申请实施例对此并不做限制。Optionally, the first feeding branch 120 and the second feeding branch 130 may be fixed in the metal casing 100 by means of a dielectric column, a bracket, etc., or may be fixed by other means, which are not made in this embodiment of the present application. limit.

可选地，当本申请实施例提供的天线结构应用于CPE、音箱、无线路由器或其他电子设备时，金属壳体100可以作为该电子设备的外壳使用，开口213可以用于放置如图1中所示的扬声器，或者，可以用于连接电源，或者，可以由塑料填充，本申请对此并不做限制。因此，围成金属壳体100的每个面可以为曲面，并不一定是平面，本申请对此并不做限制。例如，金属壳体100可以为圆柱形，其侧面110可以为连续的曲面，如图5中的(a)所示。或者，侧面110也可以为球面，如图5中的(b)所示，本申请实施例对此并不做限制，可以根据产品的外形进行调整。Optionally, when the antenna structure provided in the embodiment of the present application is applied to a CPE, a sound box, a wireless router, or other electronic equipment, the metal casing 100 can be used as a casing of the electronic equipment, and the opening 213 can be used to place the electronic equipment as shown in FIG. 1 . The speaker shown may either be used for connection to a power source, or may be filled with plastic, which is not limited by the present application. Therefore, each surface enclosing the metal casing 100 may be a curved surface, not necessarily a flat surface, which is not limited in the present application. For example, the metal shell 100 may be cylindrical, and the side surface 110 thereof may be a continuous curved surface, as shown in (a) of FIG. 5 . Alternatively, the side surface 110 may also be a spherical surface, as shown in (b) of FIG. 5 , which is not limited in the embodiment of the present application, and can be adjusted according to the shape of the product.

可选地，天线结构还可以包括第一连接件210和第二连接件220。第一连接件210的一端可以与第一馈电单元140电连接，另一端在第一馈电点121处与第一馈电枝节120电连接。第二连接件220的一端可以与第二馈电单元150电连接，另一端在第二馈电点131处与第二馈电枝节130电连接。Optionally, the antenna structure may further include a first connector 210 and a second connector 220 . One end of the first connector 210 may be electrically connected to the first feeding unit 140 , and the other end may be electrically connected to the first feeding branch 120 at the first feeding point 121 . One end of the second connector 220 may be electrically connected to the second feeding unit 150 , and the other end may be electrically connected to the second feeding branch 130 at the second feeding point 131 .

可选地，第一连接件210和第二连接件220可以为同轴线。金属壳体100上可以设置有与第一连接件210和第二连接件220对应的小孔，使第一连接件210和第二连接件220的内芯可以穿过金属壳体100分别与第一馈电枝节120和第二馈电枝节130连接，使第一连接件210和第二连接件220的外皮与金属壳体100连接。应理解，通过同轴线实现馈电枝节与馈电单元之间的电连接的方式结构简单，有利于天线结构的实现。Optionally, the first connector 210 and the second connector 220 may be coaxial cables. The metal shell 100 may be provided with small holes corresponding to the first connector 210 and the second connector 220, so that the inner cores of the first connector 210 and the second connector 220 can pass through the metal shell 100 and respectively connect with the first connector 210 and the second connector 220. A feeding branch 120 is connected with the second feeding branch 130 , so that the outer skins of the first connecting member 210 and the second connecting member 220 are connected with the metal casing 100 . It should be understood that the manner in which the electrical connection between the feeding branch and the feeding unit is realized through the coaxial line is simple in structure, which is beneficial to the realization of the antenna structure.

应理解，当金属壳体100可以作为该电子设备的外壳使用时，电子设备的电子元件可以放置在金属壳体100内，即，PCB及馈电单元可以放置在金属壳体100。在这种情况下，馈电单元可以通过第一连接件210和第二连接件220与馈电枝节电连接，并不需要对应的小孔。It should be understood that when the metal casing 100 can be used as a casing of the electronic device, the electronic components of the electronic device can be placed in the metal casing 100 , that is, the PCB and the feeding unit can be placed in the metal casing 100 . In this case, the feeding unit can be electrically connected to the feeding branch through the first connecting member 210 and the second connecting member 220, and corresponding small holes are not required.

可选地，如图3所示，金属壳体100的长度L1可以介于0.1至0.5个第一波长之间，宽度L2可以介于0.04至0.2个第一波长之间，高度L3可以介于0.1至0.5个第一波长之间。其中，第一波长为第一馈电单元140或第二馈电单元150馈电时，第一缝隙201或第二缝隙202产生的谐振对应的工作频段中最低频率对应的波长，即第一波长为天线结构的工作频段中最低频率对应的波长。Optionally, as shown in FIG. 3 , the length L1 of the metal casing 100 may be between 0.1 and 0.5 first wavelengths, the width L2 may be between 0.04 and 0.2 first wavelengths, and the height L3 may be between 0.04 and 0.2 first wavelengths. Between 0.1 and 0.5 first wavelengths. The first wavelength is the wavelength corresponding to the lowest frequency in the operating frequency band corresponding to the resonance generated by the first slot 201 or the second slot 202 when the first feeding unit 140 or the second feeding unit 150 feeds power, that is, the first wavelength is the wavelength corresponding to the lowest frequency in the working frequency band of the antenna structure.

可选地，本申请实施例以金属壳体100的长度L1为0.24个第一波长，宽度L2为0.08个第一波长，高度L3为0.24个第一波长为例进行说明。应理解，本申请实施例提供的数值仅作为举例使用，在实际的生产设计中，可以根据需求的频段不同进行相应的调整。Optionally, the embodiment of the present application is described by taking an example that the length L1 of the metal casing 100 is 0.24 first wavelengths, the width L2 is 0.08 first wavelengths, and the height L3 is 0.24 first wavelengths. It should be understood that the numerical values provided in the embodiments of the present application are only used as examples, and in actual production design, corresponding adjustments may be made according to different required frequency bands.

可选地，第一缺口211和第二缺口212可以为梯形或类梯形，即，第一缺口211和第二缺口212的宽度在金属壳体100的长度L1方向上，朝着开口213的方向逐渐增加，并分别与开口213的两端连通，从而第一缺口211、第二缺口212、开口213共同形成第二缝隙202。在一个具体实施例中，第一缺口211和第二缺口212为梯形，开口213为四边形，第一缺口211的梯形下底边与开口213的四边形中第一边连接，第二缺口212的梯形下底边与开口213的四边形中第二边连接，该四边形的第一边和第二边相对。Optionally, the first notch 211 and the second notch 212 may be trapezoidal or trapezoidal-like, that is, the widths of the first notch 211 and the second notch 212 are in the direction of the length L1 of the metal casing 100 , toward the direction of the opening 213 gradually increase and communicate with both ends of the opening 213 respectively, so that the first gap 211 , the second gap 212 and the opening 213 together form the second gap 202 . In a specific embodiment, the first notch 211 and the second notch 212 are trapezoidal, the opening 213 is a quadrilateral, the lower base of the trapezoid of the first notch 211 is connected to the first side of the quadrilateral of the opening 213, and the trapezoid of the second notch 212 is The lower bottom side is connected with the second side of the quadrilateral of the opening 213 , and the first side and the second side of the quadrilateral are opposite to each other.

可选地，如图4中的(c)所示，第一缺口211的上底长M1介于0.01至0.12个第一波长之间，下底长M2介于0.04至0.12个第一波长之间，高M3介于0.04至0.12个第一波长之间。第二缺口212的可以与第一缺口的采用相同的尺寸，第二缺口212的上底长介于0.01至0.12个第一波长之间，下底长介于0.04至0.12个第一波长之间，高介于0.04至0.12个第一波长之间。Optionally, as shown in (c) of FIG. 4 , the upper base length M1 of the first gap 211 is between 0.01 and 0.12 first wavelengths, and the lower base length M2 is between 0.04 and 0.12 first wavelengths. , the high M3 is between 0.04 and 0.12 first wavelengths. The size of the second notch 212 can be the same as that of the first notch, the upper bottom length of the second notch 212 is between 0.01 and 0.12 first wavelengths, and the lower bottom length is between 0.04 and 0.12 first wavelengths. , the height is between 0.04 and 0.12 first wavelengths.

可选地，本申请实施例以第一缺口211和第二缺口212可以采用相同的尺寸为例进行说明，其上底长可以为0.027个第一波长，下底长可以为0.08个第一波长，高可以为0.16个第一波长。应理解，本申请实施例提供的数值仅作为举例使用，在实际的生产设计中，可以根据需求的频段不同进行相应的调整。Optionally, in the embodiment of the present application, the first notch 211 and the second notch 212 can be of the same size as an example for description, and the length of the upper base can be 0.027 first wavelengths, and the length of the lower base can be 0.08 first wavelengths. , the height can be 0.16 first wavelengths. It should be understood that the numerical values provided in the embodiments of the present application are only used as examples, and in actual production design, corresponding adjustments may be made according to different required frequency bands.

可选地，如图6所示，第一缝隙201由设置于第一面111，第二面112和第三面113上的三个缝隙连接而成。第一缝隙201的长度N1可以理解为三个缝隙的长度之和，可以介于0.168至0.504个第一波长之间。第一缝隙201的宽度N2可以介于0.004至0.012个第一波长之间。Optionally, as shown in FIG. 6 , the first slit 201 is formed by connecting three slits provided on the first surface 111 , the second surface 112 and the third surface 113 . The length N1 of the first slot 201 may be understood as the sum of the lengths of the three slots, which may be between 0.168 and 0.504 first wavelengths. The width N2 of the first slit 201 may be between 0.004 and 0.012 first wavelengths.

可选地，本申请实施例以第一缝隙201的长度N1为0.336个第一波长，宽度N2为0.008个第一波长进行说明。应理解，本申请实施例提供的数值仅作为举例使用，在实际的生产设计中，可以根据需求的频段不同进行相应的调整。Optionally, the embodiments of the present application are described with the length N1 of the first slot 201 being 0.336 first wavelengths and the width N2 being 0.008 first wavelengths. It should be understood that the numerical values provided in the embodiments of the present application are only used as examples, and in actual production design, corresponding adjustments may be made according to different required frequency bands.

可选地，第一馈电单元140馈电时，天线结构可以通过第一缝隙201实现垂直极化全向辐射，其对应的工作频段为第一工作频段和第二工作频段，第一工作频段的频率低于第二工作频段的频率。应理解，由于第一缝隙201由三个位于不同平面的缝隙相连所形成，因此，三维设置的第一缝隙201与平面设置的缝隙相比，所占用体积更小，更优利于天线结构的小型化。Optionally, when the first feeding unit 140 feeds power, the antenna structure can realize vertically polarized omnidirectional radiation through the first slot 201, and the corresponding working frequency bands are the first working frequency band and the second working frequency band, and the first working frequency band The frequency is lower than the frequency of the second working frequency band. It should be understood that, since the first slot 201 is formed by connecting three slots located in different planes, the first slot 201 arranged in three dimensions occupies a smaller volume than the slot arranged in a plane, which is more favorable for the miniaturization of the antenna structure. change.

可选地，第二馈电单元150馈电时，天线结构可以通过第二缝隙202实现水平极化全向辐射，其对应的工作频段为第三工作频段和第四工作频段，第三工作频段的频率低于第四工作频段的频率。应理解，由于第二缝隙202由两个相对设置的缺口211，212和与其连接的开口213组成，因此，相对设置的缺口211，212大大扩展了第二缝隙202的尺寸，充分利用了金属壳体的长方体结构，既保证了辐射缝隙的长度，又降低了天线结构的高度。Optionally, when the second feeding unit 150 feeds, the antenna structure can realize horizontally polarized omnidirectional radiation through the second slot 202, and its corresponding working frequency band is the third working frequency band and the fourth working frequency band, and the third working frequency band The frequency is lower than the frequency of the fourth working frequency band. It should be understood that since the second slit 202 is composed of two oppositely arranged

notches

211 and 212 and an opening 213 connected to them, the oppositely arranged

notches

211 and 212 greatly expand the size of the second slit 202 and make full use of the metal shell The cuboid structure of the body not only ensures the length of the radiation slot, but also reduces the height of the antenna structure.

可选地，天线结构的第一工作频段和第三工作频段可以覆盖WiFi的2.4GHz(2.4GHz–2.4835GHz)频段，天线结构的第二工作频段和第四工作频段可以覆盖WiFi的5GHz(5.15GHz–5.825GHz)频段。Optionally, the first working frequency band and the third working frequency band of the antenna structure can cover the 2.4GHz (2.4GHz-2.4835GHz) frequency band of the WiFi, and the second working frequency band and the fourth working frequency band of the antenna structure can cover the 5GHz (5.15GHz) frequency band of the WiFi. GHz–5.825GHz) frequency band.

应理解，通过调整第一缝隙201的长度可以调整天线结构在水平极化低频频段的谐振点及带宽。通过调整第二缝隙202中梯形缺口的高可以优化水平极化低频频段的谐振频点及带宽，调整第二缝隙202的宽度可以优化天线结构在水平极化高频频段的谐振点的全向性。It should be understood that, by adjusting the length of the first slot 201, the resonance point and bandwidth of the antenna structure in the horizontally polarized low frequency frequency band can be adjusted. By adjusting the height of the trapezoidal notch in the second slot 202, the resonant frequency and bandwidth of the horizontally polarized low frequency band can be optimized, and by adjusting the width of the second slot 202, the omnidirectionality of the resonant point of the antenna structure in the horizontally polarized high frequency band can be optimized. .

可选地，第一馈电枝节120可以为折线型结构，例如U型结构，第一馈电枝节120沿其折叠展开后的的总长度可以介于0.05至0.35个第一波长之间，第一馈电枝节120的宽度可以介于0.02至0.08个第一波长之间。Optionally, the first feeding branch 120 may be a zigzag structure, such as a U-shaped structure, and the total length of the first feeding branch 120 after being folded and unfolded may be between 0.05 and 0.35 first wavelengths. The width of a feeding branch 120 may be between 0.02 and 0.08 first wavelengths.

可选地，如图7所示，本申请实施例以第一馈电枝节为由子枝节1201和1202组成的L型结构为例进行说明，子枝节1201的长度H1可以为0.216个第一波长，子枝节1202的长度H3可以为0.096个第一波长，子枝节1201和1202的宽度可以相同，宽度H2可以均为0.048个第一波长，可以通过调整第一馈电枝节120的长度及第一馈电枝节120相对于第一缝隙201的位置来调整第一缝隙和第一馈电枝节组成的第一天线单元的阻抗匹配。应理解，本申请实施例提供的数值仅作为举例使用，在实际的生产设计中，可以根据需求的频段不同进行相应的调整。Optionally, as shown in FIG. 7 , in the embodiment of the present application, the first feeding branch is an L-shaped structure composed of sub-branches 1201 and 1202 as an example for description, and the length H1 of the sub-branches 1201 may be 0.216 first wavelengths, The length H3 of the sub-branches 1202 may be 0.096 first wavelengths, the widths of the

sub-branches

1201 and 1202 may be the same, and the widths H2 may both be 0.048 first wavelengths. By adjusting the length of the first feeding branch 120 and the first feeder The position of the electric branch 120 relative to the first slot 201 adjusts the impedance matching of the first antenna unit composed of the first slot and the first feeding branch. It should be understood that the numerical values provided in the embodiments of the present application are only used as examples, and in actual production design, corresponding adjustments may be made according to different required frequency bands.

可选地，如图8所示，第二馈电枝节130可以包括第一金属段1301，第二金属段1302和第三金属段1303。其中，两个相邻的金属段之间形成角度，使第二馈电枝节呈阶梯型结构。本申请实施例以图8所示的包括3个金属段的2阶阶梯结构为例进行说明，第二馈电枝节130也可以包括其他数量的金属段，使其呈现N阶阶梯结构，2≤N≤5。Optionally, as shown in FIG. 8 , the second feeding branch 130 may include a first metal segment 1301 , a second metal segment 1302 and a third metal segment 1303 . Wherein, an angle is formed between two adjacent metal segments, so that the second feeding branch has a stepped structure. The embodiment of the present application is described by taking the 2-step ladder structure including three metal segments shown in FIG. 8 as an example. The second feeding branch 130 may also include other numbers of metal segments, so that it has an N-step ladder structure, where 2≤ N≤5.

可选地，第一金属段1301可以与金属壳体的第二面或第三面相互平行，可以根据实际的电子设备内的空间，调整第二馈电枝节130中各个金属件所形成的角度。Optionally, the first metal segment 1301 can be parallel to the second surface or the third surface of the metal casing, and the angle formed by each metal piece in the second feeding branch 130 can be adjusted according to the actual space in the electronic device .

可选地，第二馈电枝节130展开后长度可以介于0.04至0.34个第一波长之间，以图8为例，第二馈电枝节130展开后长度为第一金属段1301，第二金属段1302和第三金属段1303的长度之和。第二馈电枝节130的宽度H4可以介于0.01至0.08个第一波长之间。Optionally, the expanded length of the second feeding branch 130 may be between 0.04 and 0.34 of the first wavelength. Taking FIG. 8 as an example, the expanded length of the second feeding branch 130 is the first metal segment 1301, and the second The sum of the lengths of the metal segment 1302 and the third metal segment 1303 . The width H4 of the second feeding branch 130 may be between 0.01 and 0.08 first wavelengths.

可选地，如图2所示，天线结构还可以包括第一寄生枝节132和第二寄生枝节133，第一寄生枝节132和第二枝节133分别位于第二馈电枝节130上下两侧，即第一寄生枝节132可以位于第二馈电枝节130与上表面114之间，第二寄生枝节133可以位于第二馈电枝节130与下表面115之间。第一寄生枝节132和第二寄生枝节133的尺寸相同。Optionally, as shown in FIG. 2 , the antenna structure may further include a first parasitic branch 132 and a second parasitic branch 133. The first parasitic branch 132 and the second parasitic branch 133 are respectively located on the upper and lower sides of the second feeding branch 130, that is, The first parasitic branch 132 may be located between the second feeding branch 130 and the upper surface 114 , and the second parasitic branch 133 may be located between the second feeding branch 130 and the lower surface 115 . The first parasitic branch 132 and the second parasitic branch 133 are the same size.

可选地，第一寄生枝节132和第二寄生枝节133可以通过天线支架或者介质柱固定在金属壳体内，以形成第二馈电枝节120的寄生贴片。Optionally, the first parasitic branch 132 and the second parasitic branch 133 may be fixed in the metal casing through an antenna bracket or a dielectric column, so as to form a parasitic patch of the second feeding branch 120 .

应理解，通过在第二馈电枝节130两侧设置第一寄生枝节132和第二枝节133，可以提升由第二缝隙和第二馈电枝节组成的第二天线单元辐射中水平极化的占比，可以进一步提升第一缝隙201和第一馈电枝节120组成的第一天线单元和第二缝隙202和第二馈电枝节130组成的第二天线单元之间的隔离度。It should be understood that by arranging the first parasitic branch 132 and the second branch 133 on both sides of the second feeding branch 130, the proportion of the horizontal polarization in the radiation of the second antenna unit composed of the second slot and the second feeding branch can be increased. In comparison, the isolation degree between the first antenna unit composed of the first slot 201 and the first feeding branch 120 and the second antenna unit formed by the second slot 202 and the second feeding branch 130 can be further improved.

可选地，如图4中的(b)所示，第一寄生枝节132与第二馈电枝节130之间的距离M4和第二寄生枝节133与第二馈电枝节130之间的距离M5相同，即第一寄生枝节132与第二寄生枝节133沿第二馈电枝节的长度方向对称。Optionally, as shown in (b) of FIG. 4 , the distance M4 between the first parasitic branch 132 and the second feeding branch 130 and the distance M5 between the second parasitic branch 133 and the second feeding branch 130 The same, that is, the first parasitic branch 132 and the second parasitic branch 133 are symmetrical along the length direction of the second feeding branch.

可选地，第一寄生枝节132与第二馈电枝节130之间的距离M4和第二寄生枝节133与第二馈电枝节130之间的距离M5可以介于0.006至0.08个第一波长之间。应理解，第一寄生枝节132与第二馈电枝节130之间的距离M4可以理解为第一寄生枝节132上的点与第二馈电枝节130上的点的直线距离的最小值，第二寄生枝节133与第二馈电枝节130 之间的距离M5也可以相应理解。Optionally, the distance M4 between the first parasitic branch 132 and the second feeding branch 130 and the distance M5 between the second parasitic branch 133 and the second feeding branch 130 may be between 0.006 and 0.08 of the first wavelength. between. It should be understood that the distance M4 between the first parasitic branch 132 and the second feeding branch 130 can be understood as the minimum value of the straight-line distance between the point on the first parasitic branch 132 and the point on the second feeding branch 130, and the second The distance M5 between the parasitic branch 133 and the second feeding branch 130 can also be understood accordingly.

可选地，本申请实施例以第二馈电枝节130的展开长度为0.14个第一波长，宽度H4为0.024个第一波长，第一寄生枝节132与第二馈电枝节130之间的距离M4和第二寄生枝节133与第二馈电枝节130之间的距离M5均为0.016个第一波长为例进行说明。应理解，本申请实施例提供的数值仅作为举例使用，在实际的生产设计中，可以根据需求的频段不同进行相应的调整。Optionally, in this embodiment of the present application, the expanded length of the second feeding branch 130 is 0.14 first wavelengths, the width H4 is 0.024 first wavelengths, and the distance between the first parasitic branch 132 and the second feeding branch 130 is For example, the distance M5 between M4 and the second parasitic branch 133 and the second feeding branch 130 is 0.016 of the first wavelength. It should be understood that the numerical values provided in the embodiments of the present application are only used as examples, and in actual production design, corresponding adjustments may be made according to different required frequency bands.

应理解，通过调整第二馈电枝节130的尺寸，或者，第一寄生枝节132与第二馈电枝节130之间的距离M4和第二寄生枝节133与第二馈电枝节130之间的距离M5可以调整由第二缝隙和第二馈电枝节组成的第二天线单元的阻抗匹配，可以优化第二天线单元在水平极化高频段的匹配。由于两个寄生枝节与第二馈电枝节之间会产生互相耦合，可以使第二天线单元获得更宽的带宽。并且，它们的尺寸只影响第二天线单元的阻抗特性，几乎不影响第二天线单元的辐射特性，保障了在双频段的全向辐射特性良好。It should be understood that by adjusting the size of the second feeding branch 130 , or, the distance M4 between the first parasitic branch 132 and the second feeding branch 130 and the distance between the second parasitic branch 133 and the second feeding branch 130 M5 can adjust the impedance matching of the second antenna unit composed of the second slot and the second feeding branch, and can optimize the matching of the second antenna unit in the horizontally polarized high frequency band. Due to mutual coupling between the two parasitic branches and the second feeding branch, the second antenna unit can obtain a wider bandwidth. Moreover, their size only affects the impedance characteristic of the second antenna unit, and hardly affects the radiation characteristic of the second antenna unit, which ensures good omnidirectional radiation characteristic in dual frequency bands.

图9至图11是图2所示天线结构的仿真结果图。其中，图9是图2所示天线结构的S参数仿真结果示意图。图10是图2所示天线结构第一馈电单元工作时对应的方向图。图11是图2所示天线结构第二馈电单元工作时对应的方向图。9 to 11 are simulation result diagrams of the antenna structure shown in FIG. 2 . 9 is a schematic diagram of the S-parameter simulation result of the antenna structure shown in FIG. 2 . FIG. 10 is a corresponding directional diagram when the first feeding unit of the antenna structure shown in FIG. 2 is in operation. FIG. 11 is a corresponding directional diagram when the second feeding unit of the antenna structure shown in FIG. 2 is in operation.

如图9所示，其中，S22为第一馈电单元工作时第一缝隙对应的天线单元的反射系数，S11为第二馈电单元工作时第二缝隙对应的天线单元的反射系数，S21为体天线结构中两个天线单元的隔离度。As shown in FIG. 9 , where S22 is the reflection coefficient of the antenna unit corresponding to the first slot when the first feeding unit is working, S11 is the reflection coefficient of the antenna unit corresponding to the second slot when the second feeding unit is working, and S21 is The isolation of the two antenna elements in the bulk antenna structure.

如图9所示，第一馈电单元馈电时，天线结构可以通过第一缝隙实现垂直极化全向辐射，其对应的-10dB频带为2.36-2.52GHz和4.93-6.20GHz。第二馈电单元馈电时，天线结构可以通过第二缝隙实现水平极化全向辐射，其对应的-10dB频带为2.38-2.48GHz和4.99-5.86GHz。因此，第一缝隙对应的天线单元和第二缝隙对应的天线单元均可以覆盖WiFi的双频段。同时，由于第一缝隙对应的天线单元的极化方式为垂直极化，而第二缝隙对应的天线单元的极化方式为水平极化，因此，第一缝隙对应的天线单元和第二缝隙对应的天线单元之间具有良好的隔离度，在工作频段内，均在-40dB以下。As shown in FIG. 9 , when the first feeding unit is feeding, the antenna structure can realize vertically polarized omnidirectional radiation through the first slot, and the corresponding -10dB frequency bands are 2.36-2.52GHz and 4.93-6.20GHz. When the second feeding unit is feeding, the antenna structure can realize horizontally polarized omnidirectional radiation through the second slot, and the corresponding -10dB frequency bands are 2.38-2.48GHz and 4.99-5.86GHz. Therefore, both the antenna unit corresponding to the first slot and the antenna unit corresponding to the second slot can cover the dual frequency bands of WiFi. At the same time, since the polarization mode of the antenna unit corresponding to the first slot is vertical polarization, and the polarization mode of the antenna unit corresponding to the second slot is horizontal polarization, the antenna unit corresponding to the first slot corresponds to the second slot. The antenna units have good isolation, and in the working frequency band, they are all below -40dB.

如图10所示，天线结构在2.45GHz和5.5GHz时，垂直极化对应的方向图与总方向图基本重合，其水平极化对应的方向图的增益在-30dB以下。同时，其垂直极化的不圆度在2.45GHz时，为2.7dB，在5.5GHz时，为5dB，其全向性较好。As shown in Figure 10, when the antenna structure is at 2.45GHz and 5.5GHz, the pattern corresponding to the vertical polarization basically coincides with the general pattern, and the gain of the pattern corresponding to the horizontal polarization is below -30dB. At the same time, the out-of-roundness of its vertical polarization is 2.7dB at 2.45GHz and 5dB at 5.5GHz, and its omnidirectionality is good.

如图11所示，天线结构在2.45GHz和5.5GHz时，水平极化对应的方向图与总方向图基本重合，其垂直极化对应的方向图的增益在-30dB以下。同时，其水平极化的不圆度在2.45GHz时，为2.2dB，在5.5GHz时，为4.4dB，其全向性较好。As shown in Figure 11, when the antenna structure is at 2.45GHz and 5.5GHz, the pattern corresponding to the horizontal polarization basically coincides with the general pattern, and the gain of the pattern corresponding to the vertical polarization is below -30dB. At the same time, the out-of-roundness of its horizontal polarization is 2.2dB at 2.45GHz and 4.4dB at 5.5GHz, and its omnidirectionality is good.

图12是本申请实施例提供的另一种天线结构的示意图。FIG. 12 is a schematic diagram of another antenna structure provided by an embodiment of the present application.

如图12所示，第二馈电枝节330可以偏离开口313的中心位置，即第二馈电枝节330相对于图2所示的位置向上或向下移动，偏离中心位置为第二缝隙303馈电。As shown in FIG. 12 , the second feeding branch 330 may deviate from the center position of the opening 313 , that is, the second feeding branch 330 moves upward or downward relative to the position shown in FIG. Electricity.

应理解，可通过调整第二馈电枝节330偏离中心位置的距离实现对第二缝隙对应的天线单元在工作频段的阻抗匹配。It should be understood that the impedance matching of the antenna unit corresponding to the second slot in the working frequency band can be achieved by adjusting the distance from the center position of the second feeding branch 330 .

图13至图15是图12所示天线结构的仿真结果图。其中，图13是图12所示天线结构的S参数仿真结果示意图。图14是图12所示天线结构第一馈电单元工作时对应的方向图。图15是图12所示天线结构第二馈电单元工作时对应的方向图。13 to 15 are simulation result diagrams of the antenna structure shown in FIG. 12 . 13 is a schematic diagram of the S-parameter simulation result of the antenna structure shown in FIG. 12 . FIG. 14 is a directional diagram corresponding to the operation of the first feeding unit of the antenna structure shown in FIG. 12 . FIG. 15 is a corresponding directional diagram when the second feeding unit of the antenna structure shown in FIG. 12 is working.

如图13所示，其中，S22为第一馈电单元工作时第一缝隙对应的天线单元的反射系数，S11为第二天线单元工作时第二缝隙对应的天线单元的反射系数，S21为体天线结构中两个天线单元的隔离度。As shown in FIG. 13 , where S22 is the reflection coefficient of the antenna unit corresponding to the first slot when the first feeding unit is working, S11 is the reflection coefficient of the antenna unit corresponding to the second slot when the second antenna unit is working, and S21 is the body Isolation of two antenna elements in an antenna structure.

如图13所示，第一馈电单元馈电时，天线结构可以通过第一缝隙实现垂直极化全向辐射，其对应的-10dB频带为2.39-2.53GHz和5.08-6.34GHz。第二馈电单元馈电时，天线结构可以通过第二缝隙实现水平极化全向辐射，其对应的-10dB频带为2.4-2.54GHz和4.61-5.93GHz。因此，第一缝隙对应的天线单元和第二缝隙对应的天线单元均可以覆盖WiFi的双频段。同时，由于第一缝隙对应的天线单元的极化方式为垂直极化，而第二缝隙对应的天线单元的极化方式为水平极化，因此，第一缝隙对应的天线单元和第二缝隙对应的天线单元之间具有良好的隔离度，在工作频段内，均在-20dB以下。As shown in FIG. 13 , when the first feeding unit is feeding, the antenna structure can realize vertically polarized omnidirectional radiation through the first slot, and the corresponding -10dB frequency bands are 2.39-2.53GHz and 5.08-6.34GHz. When the second feeding unit is feeding, the antenna structure can realize horizontally polarized omnidirectional radiation through the second slot, and the corresponding -10dB frequency bands are 2.4-2.54GHz and 4.61-5.93GHz. Therefore, both the antenna unit corresponding to the first slot and the antenna unit corresponding to the second slot can cover the dual frequency bands of WiFi. At the same time, since the polarization mode of the antenna unit corresponding to the first slot is vertical polarization, and the polarization mode of the antenna unit corresponding to the second slot is horizontal polarization, the antenna unit corresponding to the first slot corresponds to the second slot. There is good isolation between the antenna units, and in the working frequency band, they are all below -20dB.

如图14所示，天线结构在2.45GHz和5.5GHz时，垂直极化对应的方向图与水平极化对应的方向图差异较大，其水平极化对应的方向图的增益在-30dB以下。同时，其垂直极化的不圆度在2.45GHz时，为2.7dB，在5.5GHz时，为5.1dB，其全向性较好。As shown in Figure 14, when the antenna structure is at 2.45GHz and 5.5GHz, the pattern corresponding to the vertical polarization is quite different from the pattern corresponding to the horizontal polarization, and the gain of the pattern corresponding to the horizontal polarization is below -30dB. At the same time, the out-of-roundness of its vertical polarization is 2.7dB at 2.45GHz and 5.1dB at 5.5GHz, and its omnidirectionality is good.

如图15所示，天线结构在5.5GHz时，水平极化对应的方向图与垂直极化对应的方向图在某些角度存在重合。即在2.45GHz时交叉极化分量较小，但是在5.5GHz时交叉极化分量较大。同时，其水平极化的不圆度在2.45GHz时，为2.2dB，在5.5GHz时，为4.5dB，其全向性较好。As shown in Figure 15, when the antenna structure is at 5.5 GHz, the pattern corresponding to the horizontal polarization and the pattern corresponding to the vertical polarization overlap at certain angles. That is, the cross-polarization component is small at 2.45GHz, but the cross-polarization component is large at 5.5GHz. At the same time, the out-of-roundness of its horizontal polarization is 2.2dB at 2.45GHz and 4.5dB at 5.5GHz, and its omnidirectionality is good.

应理解，由于图12所示的天线结构中并没有设置第一寄生枝节和第二寄生枝节，因此，第二缝隙和第二馈电枝节组成的第二天线单元辐射中水平极化的占比相较于图2所示的天线结构降低，如图15所述，而第一缝隙和第一馈电枝节组成的第一天线单元中垂直极化的占比相较于图2所示的天线结构相当，如图14所示。如图13所示，第一缝隙和第一馈电枝节组成的第一天线单元和第二缝隙和第二馈电枝节组成的第二天线单元之间的隔离度变差，但也可以满足生产和设计的需要。It should be understood that, since the first parasitic branch and the second parasitic branch are not set in the antenna structure shown in FIG. 12 , the proportion of horizontal polarization in the radiation of the second antenna unit composed of the second slot and the second feeding branch Compared with the antenna structure shown in FIG. 2 , as shown in FIG. 15 , the proportion of vertical polarization in the first antenna unit composed of the first slot and the first feeding branch is compared with that of the antenna shown in FIG. 2 . The structure is equivalent, as shown in Figure 14. As shown in FIG. 13 , the isolation between the first antenna unit composed of the first slot and the first feeding branch and the second antenna unit composed of the second slot and the second feeding branch becomes poor, but it can also meet the production requirements. and design needs.

应理解，上述的各个长度，宽度或高度可以理解为电长度。电长度可以是指，物理长度(即机械长度或几何长度)乘以电或电磁信号在媒介中的传输时间与这一信号在自由空间中通过跟媒介物理长度一样的距离时所需的时间的比来表示，电长度可以满足以下公式：It should be understood that each of the above-mentioned lengths, widths or heights may be understood as electrical lengths. The electrical length can be defined as the physical length (ie mechanical length or geometric length) multiplied by the travel time of an electrical or electromagnetic signal in a medium and the time it takes for that signal to travel the same distance in free space as the physical length of the medium. In comparison, the electrical length can satisfy the following formula:

其中，L为物理长度，a为电或电磁信号在媒介中的传输时间，b为在自由空间中的中传输时间。Among them, L is the physical length, a is the transmission time of an electrical or electromagnetic signal in the medium, and b is the medium transmission time in free space.

或者，电长度也可以是指物理长度(即机械长度或几何长度)与所传输电磁波的波长之比，电长度可以满足以下公式：Alternatively, the electrical length can also refer to the ratio of the physical length (ie mechanical length or geometric length) to the wavelength of the transmitted electromagnetic wave, and the electrical length can satisfy the following formula:

其中，L为物理长度，λ为电磁波的波长。Among them, L is the physical length, and λ is the wavelength of the electromagnetic wave.

在本申请所提供的几个实施例中，应该理解到，所揭露的***、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个***，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性或其它的形式。In the several embodiments provided in this application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the apparatus embodiments described above are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented. On the other hand, the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical or other forms.

以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以所述权利要求的保护范围为准。The above are only specific embodiments of the present application, but the protection scope of the present application is not limited to this. should be covered within the scope of protection of this application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

一种电子设备，其特征在于，包括：An electronic device, comprising:

金属壳体，第一馈电枝节，第二馈电枝节，第一馈电单元和第二馈电单元；a metal shell, a first feeding branch, a second feeding branch, a first feeding unit and a second feeding unit;

其中，所述金属壳体由上表面，下表面和侧面围成，所述上表面设置有第一缺口，所述下表面设置有第二缺口，所述侧面设置有开口，其中所述开口、所述第一缺口和所述第二缺口连接形成第二缝隙；The metal shell is surrounded by an upper surface, a lower surface and a side surface, the upper surface is provided with a first notch, the lower surface is provided with a second notch, and the side surface is provided with an opening, wherein the opening, The first gap and the second gap are connected to form a second gap;

所述侧面设置有第一缝隙，至少一部分所述第一缝隙的延伸方向与至少一部分所述第二缝隙的延伸方向垂直；The side surface is provided with a first slit, and the extending direction of at least a part of the first slit is perpendicular to the extending direction of at least a part of the second slit;

所述第一馈电枝节与所述第一馈电单元电连接，所述第一馈电枝节位于所述金属壳体内部，为所述第一缝隙间接耦合馈电；the first feeding stub is electrically connected to the first feeding unit, the first feeding stub is located inside the metal shell, and indirectly couples and feeds the first slot;

所述第二馈电枝节与所述第二馈电单元电连接，所述第二馈电枝节位于所述金属壳体内部，为所述第二缝隙间接耦合馈电。The second feeding stub is electrically connected to the second feeding unit, and the second feeding stub is located inside the metal shell and indirectly couples and feeds the second slot.
根据权利要求1所述的电子设备，其特征在于，The electronic device according to claim 1, wherein,

所述金属壳体为立方体结构，所述侧面包括第一面，第二面和第三面；The metal shell is a cubic structure, and the side surfaces include a first surface, a second surface and a third surface;

所述第二面与所述第三面相对设置，所述第二面与所述第三面通过所述第一面连接；The second surface is opposite to the third surface, and the second surface and the third surface are connected through the first surface;

所述第一缝隙设置在所述第一面，所述第二面和所述第三面上；the first slit is arranged on the first surface, the second surface and the third surface;

所述开口与所述第一面相对设置。The opening is disposed opposite to the first surface.
根据权利要求1或2所述的电子设备，其特征在于，The electronic device according to claim 1 or 2, characterized in that,

所述第一缝隙和所述第一馈电枝节形成第一天线单元；the first slot and the first feeding branch form a first antenna unit;

所述第二缝隙和所述第二馈电枝节形成第二天线单元；the second slot and the second feed branch form a second antenna unit;

所述第一天线单元的极化方向与所述第二天线的极化方向正交。The polarization direction of the first antenna unit is orthogonal to the polarization direction of the second antenna.
根据权利要求1至3中任一项所述的电子设备，其特征在于，所述第一馈电枝节为折线结构。The electronic device according to any one of claims 1 to 3, wherein the first feeding branch is a broken line structure.
根据权利要求4所述的电子设备，其特征在于，所述第一馈电枝节为U型结构。The electronic device according to claim 4, wherein the first feeding branch has a U-shaped structure.
根据权利要求1至5中任一项所述的电子设备，其特征在于，所述第二馈电枝节包括多个金属段，所述多个金属段中的任意两个相邻的金属段之间形成角度使所述第二馈电枝节呈阶梯型结构。The electronic device according to any one of claims 1 to 5, wherein the second feeding branch comprises a plurality of metal segments, and one of any two adjacent metal segments among the plurality of metal segments is The angle formed therebetween makes the second feeding branch to have a stepped structure.
根据权利要求1至6中任一项所述的电子设备，其特征在于，所述第二馈电枝节和所述上表面之间的距离与所述第二馈电枝节和所述下表面之间的距离相同。The electronic device according to any one of claims 1 to 6, wherein the distance between the second feeding branch and the upper surface is the same as the distance between the second feeding branch and the lower surface the same distance.
根据权利要求1至7中任一项所述的电子设备，其特征在于，所述第一缺口和所述第二缺口为梯形。The electronic device according to any one of claims 1 to 7, wherein the first notch and the second notch are trapezoidal.
根据权利要求8所述的电子设备，其特征在于，The electronic device according to claim 8, wherein,

所述第一缺口的上底长介于0.01至0.12个第一波长之间，下底长介于0.04至0.12个第一波长之间，高介于0.04至0.12个第一波长之间；The length of the upper base of the first gap is between 0.01 and 0.12 first wavelengths, the length of the lower base is between 0.04 and 0.12 first wavelengths, and the height is between 0.04 and 0.12 first wavelengths;

所述第二缺口的上底长介于0.01至0.12个第一波长之间，下底长介于0.04至0.12个第一波长之间，高介于0.04至0.12个第一波长之间；The upper base length of the second gap is between 0.01 and 0.12 first wavelengths, the lower base length is between 0.04 and 0.12 first wavelengths, and the height is between 0.04 and 0.12 first wavelengths;

其中，所述第一波长为所述第一馈电单元或所述第二馈电单元工作时，所述第一缝隙或所述第二缝隙产生的工作频段中最低频率对应的波长。Wherein, the first wavelength is the wavelength corresponding to the lowest frequency in the working frequency band generated by the first slot or the second slot when the first feeding unit or the second feeding unit is working.
根据权利要求1至9中任一项所述的电子设备，其特征在于，所述电子设备还包括：The electronic device according to any one of claims 1 to 9, wherein the electronic device further comprises:

第一寄生枝节和第二寄生枝节；a first parasitic branch and a second parasitic branch;

所述第一寄生枝节位于所述第二馈电枝节与所述上表面之间；the first parasitic branch is located between the second feeding branch and the upper surface;

所述第二寄生枝节位于所述第二馈电枝节与所述下表面之间；the second parasitic branch is located between the second feeding branch and the lower surface;

所述第一寄生枝节和所述第二寄生枝节的尺寸相同。The first parasitic nodules and the second parasitic nodules are the same size.
根据权利要求10所述的电子设备，其特征在于，所述第一寄生枝节与所述第二寄生枝节沿所述第二馈电枝节的长度方向对称。The electronic device according to claim 10, wherein the first parasitic branch and the second parasitic branch are symmetrical along a length direction of the second feeding branch.
根据权利要求10所述的电子设备，其特征在于，The electronic device according to claim 10, wherein:

所述第一寄生枝节与所述第二馈电枝节之间的距离介于0.006至0.08个第一波长之间；The distance between the first parasitic branch and the second feeding branch is between 0.006 and 0.08 first wavelengths;

所述第二寄生枝节与所述第二馈电枝节之间的距离介于0.006至0.08个第一波长之间；The distance between the second parasitic branch and the second feeding branch is between 0.006 and 0.08 first wavelengths;

其中，所述第一波长为所述第一馈电单元或所述第二馈电单元工作时，所述第一缝隙或所述第二缝隙产生的工作频段中最低频率对应的波长。Wherein, the first wavelength is the wavelength corresponding to the lowest frequency in the operating frequency band generated by the first slot or the second slot when the first feed unit or the second feed unit is operating.
根据权利要求1至12中任一项所述的电子设备，其特征在于，The electronic device according to any one of claims 1 to 12, wherein,

所述金属壳体的长度介于0.1至0.5个第一波长之间，宽度介于0.04至0.2个第一波长之间，高度介于0.1至0.5个第一波长之间；The length of the metal shell is between 0.1 and 0.5 first wavelengths, the width is between 0.04 and 0.2 first wavelengths, and the height is between 0.1 and 0.5 first wavelengths;

其中，所述第一波长为所述第一馈电单元或所述第二馈电单元工作时，所述第一缝隙或所述第二缝隙产生的工作频段中最低频率对应的波长。Wherein, the first wavelength is the wavelength corresponding to the lowest frequency in the operating frequency band generated by the first slot or the second slot when the first feed unit or the second feed unit is operating.
根据权利要求13所述的电子设备，其特征在于，The electronic device according to claim 13, wherein,

所述第一缝隙的长度介于0.168至0.504个第一波长之间，宽度介于0.004至0.012个第一波长之间。The length of the first slot is between 0.168 and 0.504 first wavelengths, and the width is between 0.004 and 0.012 first wavelengths.
根据权利要求13所述的电子设备，其特征在于，所述第一馈电枝节的长度介于0.05至0.35个第一波长之间，宽度介于0.02至0.08个第一波长之间。The electronic device according to claim 13, wherein the length of the first feeding branch is between 0.05 and 0.35 first wavelengths, and the width is between 0.02 and 0.08 first wavelengths.
根据权利要求15所述的电子设备，其特征在于，所述第二馈电枝节展开后长度介于0.04至0.34个第一波长之间，所述第二馈电枝节的宽度介于0.01至0.08个第一波长之间。The electronic device according to claim 15, wherein the expanded length of the second feeding branch is between 0.04 and 0.34 of the first wavelength, and the width of the second feeding branch is between 0.01 and 0.08 between the first wavelengths.
根据权利要求3所述的电子设备，其特征在于，所述第一天线单元和所述第二天线单元的工作频段覆盖无线保真WiFi的2.4GHz频段和5GHz频段。The electronic device according to claim 3, wherein the working frequency bands of the first antenna unit and the second antenna unit cover the 2.4 GHz frequency band and the 5 GHz frequency band of Wi-Fi.
根据权利要求1至17中任一项所述的电子设备，其特征在于，所述金属壳体为电子设备的外壳的一部分。The electronic device according to any one of claims 1 to 17, wherein the metal casing is a part of a casing of the electronic device.
根据权利要求1至18中任一项所述的电子设备，其特征在于，所述电子设备为音箱、或无线路由器、或用户驻地设备CPE。The electronic device according to any one of claims 1 to 18, wherein the electronic device is a sound box, or a wireless router, or a customer premises equipment (CPE).