WO2016029463A1 - Antenna and wearable device - Google Patents

Antenna and wearable device Download PDF

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Publication number
WO2016029463A1
WO2016029463A1 PCT/CN2014/085605 CN2014085605W WO2016029463A1 WO 2016029463 A1 WO2016029463 A1 WO 2016029463A1 CN 2014085605 W CN2014085605 W CN 2014085605W WO 2016029463 A1 WO2016029463 A1 WO 2016029463A1
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WO
WIPO (PCT)
Prior art keywords
ground
antenna
ground structure
contact surface
radiation
Prior art date
Application number
PCT/CN2014/085605
Other languages
French (fr)
Chinese (zh)
Inventor
陈丽娜
孙树辉
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2014/085605 priority Critical patent/WO2016029463A1/en
Priority to CN201480074109.8A priority patent/CN105981219B/en
Publication of WO2016029463A1 publication Critical patent/WO2016029463A1/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/48—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
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure

Definitions

  • the embodiments of the present invention relate to the field of antenna technologies, and in particular, to an antenna and a wearable device. Background technique
  • Wearables are small, close-fitting smart devices. Common wearable devices include wearable watches, bracelets, headphones, glasses, pendants, and more. Since the wearable device is closer to the human body during use, the human body absorbs most of the energy radiated by the antenna in the wearable device, so that the antenna SAR (Specific Absorption Rate) index is higher in the device, and The small size of the wearable device and the limited design space left for the antenna make the antenna design in the wearable device a problem in the industry.
  • SAR Specific Absorption Rate
  • Embodiments of the present invention provide an antenna and a wearable device capable of reducing the amount of absorption of antenna radiation by a human body in a wearable device and improving antenna radiation performance in the device.
  • a first aspect of the embodiments of the present invention provides an antenna, where the antenna is applied to a wearable device, the wearable device has a contact surface close to a human body, and the antenna includes: an antenna body, a first ground structure, and a second ground structure, the first ground structure is located between the antenna body and the second ground structure, and a grounding point of the antenna body is electrically connected to a ground of the first ground structure, the first ground The ground of the structure and the ground connection of the second ground structure; the second ground structure is located at the contact surface, and the second ground structure covers a radiation area of the antenna body on the contact surface.
  • the second ground structure when the radiation intensity of the radiation area of the antenna body on the contact surface exceeds a preset value, the second ground structure is located in the a region on the contact surface where the radiation value of the antenna body is greater than the preset value; when the radiation intensity of the radiation region of the antenna body on the contact surface is not higher than the preset value, The second ground structure does not cover the area on the contact surface where the radiation value of the antenna body is not higher than the preset value.
  • the connecting between the ground of the first ground structure and the ground of the second ground structure by using an electrical connection includes:
  • Direct connection between the ground of the first ground structure and the ground of the second ground structure Electrically connecting comprising: connecting the ground of the first ground structure and the ground of the second ground structure by a connecting device; or
  • connection is made between the ground of the first ground structure and the ground of the second ground structure by an indirect connection manner, where the indirect connection manner includes the ground of the first ground structure and the The ground of the second ground structure is connected to the third electrical conductor to realize the connection between the ground of the first ground structure and the ground of the second ground structure, and the connecting device comprises a flexible printed circuit board and/or Or solder fillet.
  • the first ground structure includes a printed circuit board
  • the second ground structure includes a bottom plate of a conductive material
  • the bottom plate of the conductive material includes one of the following items Or a combination thereof: pure metal sheet, alloy metal sheet, flexible printed circuit board, printed circuit board.
  • the antenna body includes one or a combination of the following traces: an inverted F antenna , planar inverted F antenna, loop antenna, monopole antenna.
  • a second aspect provides a wearable device including a bus and a transmitter, a receiver, a memory, and a processor coupled to the bus; wherein the transmitter includes the first aspect or the first aspect of the first aspect
  • the antenna of the fourth possible implementation the transmitter is configured to perform signal transmission by using the antenna, the receiver is configured to receive a signal, the memory is used to store an instruction, and the processor is configured to read the instruction An operation corresponding to the instruction is performed.
  • An embodiment of the present invention provides an antenna and a wearable device.
  • the antenna is designed as a two-layer structure. By providing a second layer structure on the contact surface of the device close to the human body, the antenna can be radiated to the contact surface close to the human body. Reflection is performed, thereby reducing the absorption of the antenna radiation in the wearable device and improving the radiation performance of the antenna in the device.
  • FIG. 1 is a schematic structural diagram of an antenna according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of another antenna according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram 1 of a wearable device according to an embodiment of the present invention
  • FIG. 3b is a schematic structural diagram 2 of a wearable device according to an embodiment of the present invention.
  • the embodiment of the present invention provides an antenna, which is applied to a wearable device.
  • the wearable device has a contact surface 014 close to a human body.
  • the contact surface 014 can be a wearable device.
  • the outer casing, taking a wearable watch as an example, the wearable watch includes a mirror surface, a casing, a back cover, etc., when the human body wears the watch, since the back cover is in close contact with the human body, the contact surface 014 refers to the back cover; the contact surface 014 also It may be in the interior of the wearable device, still taking the wearable watch as an example, the contact surface 014 may refer to a plane in the housing near the back cover;
  • the contact surface 014 may be a surface that is actually present, or may be a virtual plane, which is not limited in this embodiment of the present invention.
  • the antenna includes:
  • the first ground structure 012 may be partially a first ground layer, and the first ground layer is a layer of conductor, and the first ground layer is used as the first ground layer
  • the grounding 0121 of the first ground structure 012, the second ground structure 013 may be partially a second ground layer, the second ground layer is also a layer of conductor, and the second ground layer is used as the ground 0131 of the second ground structure 013, and
  • the ground 0121 of the first ground structure 012 is also electrically connected to the ground 0131 (shaded portion in FIG. 1) of the second ground structure 013;
  • the first ground structure 012 may all be the first ground layer, and the second ground structure 013 may also be all the second ground layer, as shown in FIG. 2 .
  • the antenna body 011 can be wired in various manners, such as a loop antenna, a planar inverted-F antenna, etc., and the illustration is only one of the routing modes, between the antenna body 011, the first ground structure 012, and the second ground structure 013.
  • the spatial relationship may be a parallel relationship, or may be another positional relationship, for example, an angle between the antenna body 011, a plane where the first ground structure 012 and the second ground structure 013 are located, and the angle may be Angles greater than 0° less than 90°, Figure 1 shows the above three components Parallel relationship in space;
  • the second ground structure 013 is located on the contact surface 014, and the second ground structure 013 is disposed on the contact surface 014 where the radiation value of the antenna body is greater than a preset value.
  • the preset value may be a minimum required radiation intensity value that does not affect the communication of the device.
  • the radiation value of the antenna body 011 in a certain area on the contact surface 014 exceeds a preset value, the communication effect of the device may be significantly decreased.
  • the second ground structure 013 covers the antenna body on the contact surface 014. The radiation value of 011 exceeds the preset value, and the radiant energy of the antenna body 011 is reflected, thereby improving the communication effect of the device.
  • the electrical connection represents a direct connection between the ground 0121 of the first ground structure 012 and the ground 0131 of the second ground structure 013 or a coupling manner by an indirect connection, so that the first ground structure 012 and the first The electrical signals between the two ground structures 013 can be mutually transmitted, wherein the electrical connections comprise a single contact point or at least two contact points, the ground 0121 of the first ground structure 012 and the ground of the second ground structure 013
  • the electrical connection is made by direct connection between 0131, and the direct connection manner includes connecting the ground 0121 of the first ground structure 012 and the ground 0131 of the second ground structure 013 through a connecting device; and/or
  • the ground connection 0111 of the first ground structure 012 and the ground 0131 of the second ground structure 013 may be electrically connected by using an indirect connection manner, and the indirect connection manner may be that the first ground is adopted by the connecting device.
  • the ground 0121 of the structure 012 and the ground 0131 of the second ground structure 013 are connected to the third electrical conductor, and the connecting device may be a flexible printed circuit board and/or a solder fillet;
  • the second ground structure 013 may be a bottom plate of a conductive material, and the bottom plate of the conductive material may be a pure metal piece, an alloy metal piece, a flexible printed circuit board or a printed circuit board.
  • An embodiment of the present invention provides an antenna, which is applied to a wearable device, and has a double-layer structure.
  • the antenna can be disposed on the side of the contact surface by providing a second layer structure on the side of the contact surface between the device and the human body. The radiation is reflected, thereby reducing the absorption of the antenna radiation in the wearable device and improving the radiation performance of the antenna in the device.
  • An embodiment of the present invention provides a wearable device. As shown in FIG. 3a and FIG. 3b, the wearable device includes:
  • the antenna body 021, the first ground structure 022 and the second ground structure 023 may have a parallel relationship in a spatial relationship, and the three components are in a spatial parallel relationship;
  • the second ground structure 023 may be located on the side of the contact surface 014 of the wearable device and the human body, for reflecting the radiation of the antenna body 021 to the contact surface 014, thereby radiating the antenna body 021. Reflecting away from the direction of the contact surface 014, so that the radiation of the antenna body 021 can be prevented from being absorbed by the human body in a large amount;
  • the first ground structure 022 may be directly above the second ground structure 023, and the first ground structure 022 and the second ground structure 023 may be directly connected or indirectly connected, or may be directly connected at the same time (as shown in FIG. 3a). Indirect connection (as shown in FIG. 3b), in FIG. 3a, the first ground structure 022 and the second ground structure 023 are directly electrically connected through the flexible printed circuit board 025, and in FIG. 3b, the first ground structure 022 The second ground structure 023 is electrically connected indirectly through the flexible printed circuit board 025 and a solder fillet 026, wherein the flexible printed circuit board 025 is electrically connected to a conductive layer 027, and then the conductive layer 027 is electrically connected through the solder fillet 026.
  • the second ground structure 023, wherein the antenna body 021 can be traced in a conventional form, such as an IFA (Inverted-F Antenna), a monopole (monopole antenna) or a loop (loop antenna).
  • IFA Inverted-F Antenna
  • monopole antenna monopole antenna
  • loop antenna loop antenna
  • the wearable device further includes a bus and a transmitter, a receiver, a memory, and a processor connected to the bus;
  • the transmitter comprises an antenna as described above, the antenna has a two-layer structure, the transmitter is configured to perform signal transmission through the antenna, the receiver is configured to receive a signal, the memory is used to store an instruction, and the processing is The device is configured to read the instruction to perform an operation corresponding to the instruction.
  • the embodiment of the invention provides a wearable device, wherein the antenna of the device has a double-layer structure, and the antenna can be radiated to the side of the contact surface by providing a second layer structure on the side of the contact surface of the device and the human body. Reflection is performed, thereby reducing the absorption of the antenna radiation in the wearable device and improving the radiation performance of the antenna in the device.

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Abstract

Provided are an antenna and a wearable device, which relate to the technical field of antennae. The human body's absorption of the radiation of an antenna in a wearable device can be reduced, and the radiation performance of the antenna in the device is improved. The method is as follows: the antenna has double layers of ground structure, and by arranging the second layer of ground structure on one side of a contact surface between the device and the human body, the radiation of the antenna to the side of the contact surface can be reflected. The embodiments of the present invention are used for reducing the human body's absorption of the radiation of an antenna in a wearable device.

Description

一种天线和可穿戴设备  Antenna and wearable device
技术领域 Technical field
本发明实施例涉及天线技术领域， 尤其涉及一种天线和可穿戴设备。 背景技术  The embodiments of the present invention relate to the field of antenna technologies, and in particular, to an antenna and a wearable device. Background technique
可穿戴设备是小巧、 贴身的智能设备， 常见的可穿戴设备包括可穿戴手 表、 手环、 耳机、 眼镜、 挂件等。 由于可穿戴设备在使用时离人体较近， 所 以人体会吸收可穿戴设备内天线辐射的大部分能量， 使得该设备内的天线 SAR (Specific Absorption Rate, 电磁波吸收比值）指标较高， 而且， 可穿戴 设备体积较小， 留给天线的设计空间非常有限， 这就使得可穿戴设备内的天 线设计成为业内研究的难题。 发明内容  Wearables are small, close-fitting smart devices. Common wearable devices include wearable watches, bracelets, headphones, glasses, pendants, and more. Since the wearable device is closer to the human body during use, the human body absorbs most of the energy radiated by the antenna in the wearable device, so that the antenna SAR (Specific Absorption Rate) index is higher in the device, and The small size of the wearable device and the limited design space left for the antenna make the antenna design in the wearable device a problem in the industry. Summary of the invention
本发明的实施例提供一种天线和可穿戴设备， 能够降低人体对可穿戴设 备中的天线辐射的吸收量， 提高该设备中的天线辐射性能。  Embodiments of the present invention provide an antenna and a wearable device capable of reducing the amount of absorption of antenna radiation by a human body in a wearable device and improving antenna radiation performance in the device.
本发明实施例的第一个方面是提供一种天线， 所述天线应用于可穿戴设 备中， 所述可穿戴设备具有靠近人体的接触面， 所述天线包括： 天线本体、 第一地结构和第二地结构， 所述第一地结构位于所述天线本体和所述第二地 结构之间， 所述天线本体的接地点与所述第一地结构的地电连接， 所述第一 地结构的地和所述第二地结构的地电连接；所述第二地结构位于所述接触面， 所述第二地结构覆盖所述天线本体在所述接触面上的辐射区域。  A first aspect of the embodiments of the present invention provides an antenna, where the antenna is applied to a wearable device, the wearable device has a contact surface close to a human body, and the antenna includes: an antenna body, a first ground structure, and a second ground structure, the first ground structure is located between the antenna body and the second ground structure, and a grounding point of the antenna body is electrically connected to a ground of the first ground structure, the first ground The ground of the structure and the ground connection of the second ground structure; the second ground structure is located at the contact surface, and the second ground structure covers a radiation area of the antenna body on the contact surface.
结合第一方面， 在第一种可能的实现方式中， 当所述天线本体在所述接 触面上的所述辐射区域的辐射强度超出预设值时， 则所述第二地结构位于所 述接触面上所述天线本体辐射值大于所述预设值的区域； 当所述天线本体在 所述接触面上的所述辐射区域的辐射强度不高于所述预设值时， 则所述第二 地结构不覆盖所述接触面上所述天线本体辐射值不高于所述预设值的区域。  With reference to the first aspect, in a first possible implementation, when the radiation intensity of the radiation area of the antenna body on the contact surface exceeds a preset value, the second ground structure is located in the a region on the contact surface where the radiation value of the antenna body is greater than the preset value; when the radiation intensity of the radiation region of the antenna body on the contact surface is not higher than the preset value, The second ground structure does not cover the area on the contact surface where the radiation value of the antenna body is not higher than the preset value.
结合第一方面， 在第二种可能的实现方式中， 所述第一地结构的地和所 述第二地结构的地之间采用电连接的方式相连接包括：  In conjunction with the first aspect, in a second possible implementation, the connecting between the ground of the first ground structure and the ground of the second ground structure by using an electrical connection includes:
所述第一地结构的地和所述第二地结构的地之间采用直接连接方式进行 电连接， 所述直接连接方式包括通过连接器件实现所述第一地结构的地与所 述第二地结构的地之间的连接； 或 Direct connection between the ground of the first ground structure and the ground of the second ground structure Electrically connecting, the direct connection manner comprising: connecting the ground of the first ground structure and the ground of the second ground structure by a connecting device; or
所述第一地结构的地和所述第二地结构的地之间采用间接连接方式进行 电连接， 所述间接连接方式包括通过所述连接器件将所述第一地结构的地和 所述第二地结构的地连接在第三个导电体上， 以实现所述第一地结构的地与 所述第二地结构的地之间的连接， 所述连接器件包括柔性印刷电路板和 /或焊 脚。  Electrical connection is made between the ground of the first ground structure and the ground of the second ground structure by an indirect connection manner, where the indirect connection manner includes the ground of the first ground structure and the The ground of the second ground structure is connected to the third electrical conductor to realize the connection between the ground of the first ground structure and the ground of the second ground structure, and the connecting device comprises a flexible printed circuit board and/or Or solder fillet.
结合第一方面， 在第三种可能的实现方式中， 所述第一地结构包括印刷 电路板， 所述第二地结构包括导电材料的底板， 所述导电材料的底板包括以 下项目中的一种或其组合： 纯金属片、 合金金属片、 柔性印刷电路板、 印刷 电路板。  In conjunction with the first aspect, in a third possible implementation, the first ground structure includes a printed circuit board, the second ground structure includes a bottom plate of a conductive material, and the bottom plate of the conductive material includes one of the following items Or a combination thereof: pure metal sheet, alloy metal sheet, flexible printed circuit board, printed circuit board.
结合第一方面或第一方面的第一至第三种可能的实现方式， 在第四种可 能的实现方式中， 所述天线本体包括以下走线中的一种或其组合： 倒置 F型 天线、 平面倒 F天线、 环天线、 单极天线。  With reference to the first aspect or the first to third possible implementation manners of the first aspect, in a fourth possible implementation manner, the antenna body includes one or a combination of the following traces: an inverted F antenna , planar inverted F antenna, loop antenna, monopole antenna.
第二个方面是提供一种可穿戴设备， 包括总线和与该总线相连接的发射 器、 接收器、 存储器以及处理器； 其中， 所述发射器包括如第一方面或第一 方面的第一至第四种可能的实现方式所述的天线， 该发射器用于通过所述天 线进行信号发射， 所述接收器用于接收信号， 所述存储器用于存储指令， 所 述处理器用于读取该指令进行与所述指令对应的操作。  A second aspect provides a wearable device including a bus and a transmitter, a receiver, a memory, and a processor coupled to the bus; wherein the transmitter includes the first aspect or the first aspect of the first aspect The antenna of the fourth possible implementation, the transmitter is configured to perform signal transmission by using the antenna, the receiver is configured to receive a signal, the memory is used to store an instruction, and the processor is configured to read the instruction An operation corresponding to the instruction is performed.
本发明实施例提供一种天线和可穿戴设备， 将天线设计为双层地结构， 通过在该设备靠近人体的接触面设置第二层地结构， 可将天线向该靠近人体 的接触面的辐射进行反射， 从而降低了人体对可穿戴设备中的天线辐射的吸 收， 提高了该设备中的天线辐射性能。 附图说明  An embodiment of the present invention provides an antenna and a wearable device. The antenna is designed as a two-layer structure. By providing a second layer structure on the contact surface of the device close to the human body, the antenna can be radiated to the contact surface close to the human body. Reflection is performed, thereby reducing the absorption of the antenna radiation in the wearable device and improving the radiation performance of the antenna in the device. DRAWINGS
图 1为本发明实施例提供的一种天线的结构示意图；  1 is a schematic structural diagram of an antenna according to an embodiment of the present invention;
图 2为本发明实施例提供的另一种天线的结构示意图；  2 is a schematic structural diagram of another antenna according to an embodiment of the present invention;
图 3a为本发明实施例提供的一种可穿戴设备的结构示意图一； 图 3b为本发明实施例提供的一种可穿戴设备的结构示意图二。  FIG. 3 is a schematic structural diagram 1 of a wearable device according to an embodiment of the present invention; FIG. 3b is a schematic structural diagram 2 of a wearable device according to an embodiment of the present invention.
具体实施方式 为使本发明的上述目的、 特征和优点能够更加明显易懂， 下面结合附图 对本发明实施例进行详细描述。 detailed description The above described objects, features, and advantages of the present invention will become more apparent from the embodiments of the invention.
在本发明实施例中使用的术语是仅仅出于描述特定实施例的目的， 而非 旨在限制本发明。 在本发明实施例和所附权利要求书中所使用的单数形式的 "一种" 、 "所述"和 "该"也旨在包括多数形式， 除非上下文清楚地表示 其他含义。 还应当理解， 本文中使用的术语 "和 /或"是指并包含一个或多个 相关联的列出项目的任何或所有可能组合。  The terms used in the embodiments of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the invention. "an," and "the" It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
本发明实施例提供一种天线， 应用于可穿戴设备中， 如图 1所示， 所述 可穿戴设备具有靠近人体的接触面 014， 需要说明的是， 该接触面 014可以 是可穿戴设备的外壳， 以可穿戴手表为例， 可穿戴手表包括镜面、 壳体、 后 盖等， 在人体佩戴手表时， 由于后盖紧贴着人体， 所以所述接触面 014指后 盖； 接触面 014也可以是在可穿戴设备的内部， 仍以可穿戴手表为例， 所述 接触面 014可以指壳体内靠近后盖的平面；  The embodiment of the present invention provides an antenna, which is applied to a wearable device. As shown in FIG. 1 , the wearable device has a contact surface 014 close to a human body. It should be noted that the contact surface 014 can be a wearable device. The outer casing, taking a wearable watch as an example, the wearable watch includes a mirror surface, a casing, a back cover, etc., when the human body wears the watch, since the back cover is in close contact with the human body, the contact surface 014 refers to the back cover; the contact surface 014 also It may be in the interior of the wearable device, still taking the wearable watch as an example, the contact surface 014 may refer to a plane in the housing near the back cover;
所述接触面 014可以是实际存在的面， 也可以是虚拟的平面， 对此本发 明实施例不做限制。 该天线包括：  The contact surface 014 may be a surface that is actually present, or may be a virtual plane, which is not limited in this embodiment of the present invention. The antenna includes:
天线本体 011， 第一地结构 012和第二地结构 013， 其中， 第一地结构 012设置在天线本体 011和第二地结构 013之间， 天线本体 011包括接地点 0111 ) ， 该接地点 0111与第一地结构 012的地 0121 (图 1中阴影部分） 进 行电连接， 第一地结构 012可以部分为第一接地层， 该第一接地层为一层导 体， 将该第一接地层作为第一地结构 012的地 0121， 第二地结构 013可以部 分为第二接地层， 该第二接地层也为一层导体， 将该第二接地层作为第二地 结构 013的地 0131，而其中的第一地结构 012的地 0121还与第二地结构 013 的地 0131 (图 1中阴影部分） 电连接；  The antenna body 011, the first ground structure 012 and the second ground structure 013, wherein the first ground structure 012 is disposed between the antenna body 011 and the second ground structure 013, and the antenna body 011 includes a grounding point 0111), the grounding point 0111 Electrically connecting with the ground 0121 (shaded portion in FIG. 1) of the first ground structure 012, the first ground structure 012 may be partially a first ground layer, and the first ground layer is a layer of conductor, and the first ground layer is used as the first ground layer The grounding 0121 of the first ground structure 012, the second ground structure 013 may be partially a second ground layer, the second ground layer is also a layer of conductor, and the second ground layer is used as the ground 0131 of the second ground structure 013, and The ground 0121 of the first ground structure 012 is also electrically connected to the ground 0131 (shaded portion in FIG. 1) of the second ground structure 013;
其中， 第一地结构 012可以全部为第一接地层， 第二地结构 013也可以 全部为第二接地层， 如图 2所示。  The first ground structure 012 may all be the first ground layer, and the second ground structure 013 may also be all the second ground layer, as shown in FIG. 2 .
该天线本体 011的走线方式可以有多种， 例如环天线、平面倒 F天线等， 图示只是其中一种走线方式， 天线本体 011、 第一地结构 012与第二地结构 013 之间在空间关系上可以为平行的关系， 也可以是其他的位置关系， 例如 所述天线本体 011、 第一地结构 012与第二地结构 013所在的平面之间所在 夹角， 该夹角可以是大于 0° 小于 90° 的夹角， 图 1所示为上述三个部件处 于空间上的平行关系； The antenna body 011 can be wired in various manners, such as a loop antenna, a planar inverted-F antenna, etc., and the illustration is only one of the routing modes, between the antenna body 011, the first ground structure 012, and the second ground structure 013. The spatial relationship may be a parallel relationship, or may be another positional relationship, for example, an angle between the antenna body 011, a plane where the first ground structure 012 and the second ground structure 013 are located, and the angle may be Angles greater than 0° less than 90°, Figure 1 shows the above three components Parallel relationship in space;
其中， 所述第二地结构 013位于接触面 014， 所述第二地结构 013设置 在所述接触面 014上天线本体辐射值大于预设值的区域。  The second ground structure 013 is located on the contact surface 014, and the second ground structure 013 is disposed on the contact surface 014 where the radiation value of the antenna body is greater than a preset value.
所述预设值可以为不影响该设备进行通信时的最低要求的辐射强度数 值。当天线本体 011在所述接触面 014上的某一区域的辐射值超出预设值时， 设备的通信效果会显著下降， 此时， 将第二地结构 013覆盖所述接触面 014 上天线本体 011的辐射值超出预设值的区域，反射天线本体 011的辐射能量， 从而提高设备的通信效果。  The preset value may be a minimum required radiation intensity value that does not affect the communication of the device. When the radiation value of the antenna body 011 in a certain area on the contact surface 014 exceeds a preset value, the communication effect of the device may be significantly decreased. At this time, the second ground structure 013 covers the antenna body on the contact surface 014. The radiation value of 011 exceeds the preset value, and the radiant energy of the antenna body 011 is reflected, thereby improving the communication effect of the device.
需要说明的是，所述电连接表示第一地结构 012的地 0121与第二地结构 013的地 0131之间直接连接或采用间接连接的耦合方式进行连接， 以使得第 一地结构 012与第二地结构 013之间的电信号可以互相传递， 其中， 所述电 连接包括单个接触点或至少两个接触点，所述第一地结构 012的地 0121和所 述第二地结构 013的地 0131之间采用直接连接方式进行电连接，所述直接连 接方式包括通过连接器件实现所述第一地结构 012的地 0121与所述第二地结 构 013的地 0131之间的连接； 和 /或  It should be noted that the electrical connection represents a direct connection between the ground 0121 of the first ground structure 012 and the ground 0131 of the second ground structure 013 or a coupling manner by an indirect connection, so that the first ground structure 012 and the first The electrical signals between the two ground structures 013 can be mutually transmitted, wherein the electrical connections comprise a single contact point or at least two contact points, the ground 0121 of the first ground structure 012 and the ground of the second ground structure 013 The electrical connection is made by direct connection between 0131, and the direct connection manner includes connecting the ground 0121 of the first ground structure 012 and the ground 0131 of the second ground structure 013 through a connecting device; and/or
所述第一地结构 012的地 0121和所述第二地结构 013的地 0131之间可 以采用间接连接方式进行电连接， 所述间接连接方式可以为通过所述连接器 件将所述第一地结构 012的地 0121和所述第二地结构 013的地 0131连接在 第三个导电体上， 所述连接器件可以为柔性印刷电路板和 /或焊脚；  The ground connection 0111 of the first ground structure 012 and the ground 0131 of the second ground structure 013 may be electrically connected by using an indirect connection manner, and the indirect connection manner may be that the first ground is adopted by the connecting device. The ground 0121 of the structure 012 and the ground 0131 of the second ground structure 013 are connected to the third electrical conductor, and the connecting device may be a flexible printed circuit board and/or a solder fillet;
该第二地结构 013可以为导电材料的底板， 所述导电材料的底板可以为 纯金属片、 合金金属片、 柔性印刷电路板或印刷电路板。  The second ground structure 013 may be a bottom plate of a conductive material, and the bottom plate of the conductive material may be a pure metal piece, an alloy metal piece, a flexible printed circuit board or a printed circuit board.
本发明实施例提供一种天线， 应用于可穿戴设备， 该天线具有双层地结 构， 通过在该设备与人体的接触面一侧设置第二层地结构， 可将天线向该接 触面一侧的辐射进行反射， 从而降低了人体对可穿戴设备中的天线辐射的吸 收， 提高了该设备中的天线辐射性能。  An embodiment of the present invention provides an antenna, which is applied to a wearable device, and has a double-layer structure. The antenna can be disposed on the side of the contact surface by providing a second layer structure on the side of the contact surface between the device and the human body. The radiation is reflected, thereby reducing the absorption of the antenna radiation in the wearable device and improving the radiation performance of the antenna in the device.
本发明实施例提供一种可穿戴设备， 如图 3a和图 3b所示， 该可穿戴设 备包括：  An embodiment of the present invention provides a wearable device. As shown in FIG. 3a and FIG. 3b, the wearable device includes:
天线本体 021，第一地结构 022、第二地结构 023和该设备其他部件 024， 其中天线本体 021的地与第一地结构 022的地电连接， 该天线本体 021的走 线方式在天线技术领域内可以有多种， 图 3a和图 3b所示只是其中一种走线 方式， 天线本体 021、 第一地结构 022与第二地结构 023之间在空间关系上 可以为平行的关系， 图示为上述三个部件处于空间上的平行关系； The antenna body 021, the first ground structure 022, the second ground structure 023, and other components 024 of the device, wherein the ground of the antenna body 021 is electrically connected to the ground of the first ground structure 022, and the antenna body 021 is wired in the antenna technology. There are many kinds of fields, and only one of them is shown in Figure 3a and Figure 3b. The antenna body 021, the first ground structure 022 and the second ground structure 023 may have a parallel relationship in a spatial relationship, and the three components are in a spatial parallel relationship;
其中，所述第二地结构 023可以位于所述可穿戴设备与人体的接触面 014 一侧， 用于反射所述天线本体 021向所述接触面 014的辐射， 从而将天线本 体 021的辐射向远离所述接触面 014的方向反射， 从而能够避免该天线本体 021的辐射被人体大量吸收；  The second ground structure 023 may be located on the side of the contact surface 014 of the wearable device and the human body, for reflecting the radiation of the antenna body 021 to the contact surface 014, thereby radiating the antenna body 021. Reflecting away from the direction of the contact surface 014, so that the radiation of the antenna body 021 can be prevented from being absorbed by the human body in a large amount;
第一地结构 022可以位于第二地结构 023的正上方， 第一地结构 022与 第二地结构 023之间可以直接连接或间接连接，也可以同时采用直接连接（如 图 3a所示） 与间接连接 （如图 3 b所示） 方式， 在图 3a中， 第一地结构 022 与第二地结构 023通过柔性印刷电路板 025直接进行电连接， 而在图 3b中， 第一地结构 022与第二地结构 023通过柔性印刷电路板 025和一个焊脚 026 间接进行电连接， 其中柔性印刷电路版 025电连接在一个导电层 027上， 而 后通过焊脚 026将该导电层 027电连接在第二地结构 023上， 其中， 天线本 体 021的走线可以采用常规形式， 如 IFA (Inverted-F Antenna, 倒置 F型天 线） 、 monopole (单极天线） 或 Loop (环形天线） 等的走线方式， 需要说明 的是， 所说的天线本体 011不包括微带天线的形式。  The first ground structure 022 may be directly above the second ground structure 023, and the first ground structure 022 and the second ground structure 023 may be directly connected or indirectly connected, or may be directly connected at the same time (as shown in FIG. 3a). Indirect connection (as shown in FIG. 3b), in FIG. 3a, the first ground structure 022 and the second ground structure 023 are directly electrically connected through the flexible printed circuit board 025, and in FIG. 3b, the first ground structure 022 The second ground structure 023 is electrically connected indirectly through the flexible printed circuit board 025 and a solder fillet 026, wherein the flexible printed circuit board 025 is electrically connected to a conductive layer 027, and then the conductive layer 027 is electrically connected through the solder fillet 026. The second ground structure 023, wherein the antenna body 021 can be traced in a conventional form, such as an IFA (Inverted-F Antenna), a monopole (monopole antenna) or a loop (loop antenna). In this way, it should be noted that the antenna body 011 does not include the form of a microstrip antenna.
该可穿戴设备， 还包括总线和与该总线相连接的发射器、 接收器、 存储 器以及处理器；  The wearable device further includes a bus and a transmitter, a receiver, a memory, and a processor connected to the bus;
其中， 所述发射器包括如上述的天线， 天线具有双层地结构， 该发射器 用于通过所述天线进行信号发射， 所述接收器用于接收信号， 所述存储器用 于存储指令， 所述处理器用于读取该指令进行与所述指令对应的操作。  Wherein the transmitter comprises an antenna as described above, the antenna has a two-layer structure, the transmitter is configured to perform signal transmission through the antenna, the receiver is configured to receive a signal, the memory is used to store an instruction, and the processing is The device is configured to read the instruction to perform an operation corresponding to the instruction.
本发明实施例提供一种可穿戴设备， 该设备的天线具有双层地结构， 通 过在该设备与人体的接触面一侧设置第二层地结构， 可将天线向该接触面一 侧的辐射进行反射， 从而降低了人体对可穿戴设备中的天线辐射的吸收， 提 高了该设备中的天线辐射性能。  The embodiment of the invention provides a wearable device, wherein the antenna of the device has a double-layer structure, and the antenna can be radiated to the side of the contact surface by providing a second layer structure on the side of the contact surface of the device and the human body. Reflection is performed, thereby reducing the absorption of the antenna radiation in the wearable device and improving the radiation performance of the antenna in the device.
最后应说明的是： 以上各实施例仅用以说明本发明的技术方案， 而非对 其限制； 尽管参照前述各实施例对本发明进行了详细的说明， 本领域的普通 技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改， 或者对其中部分或者全部技术特征进行等同替换； 而这些修改或者替换， 并 不使相应技术方案的本质脱离本发明各实施例技术方案的范围。  Finally, it should be noted that the above embodiments are only for explaining the technical solutions of the present invention, and are not intended to be limiting thereof; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that The technical solutions described in the foregoing embodiments may be modified, or some or all of the technical features may be equivalently replaced; and the modifications or substitutions do not deviate from the technical solutions of the embodiments of the present invention. range.

Claims

权 利 要 求 书 Claim
1、 一种天线， 其特征在于， 所述天线应用于可穿戴设备中， 所述可穿戴 设备具有靠近人体的接触面， 所述天线包括： An antenna, wherein the antenna is applied to a wearable device, the wearable device has a contact surface close to a human body, and the antenna includes:
天线本体、 第一地结构和第二地结构， 所述第一地结构位于所述天线本 体和所述第二地结构之间， 所述天线本体的接地点与所述第一地结构的地电 连接， 所述第一地结构的地和所述第二地结构的地电连接；  An antenna body, a first ground structure, and a second ground structure, the first ground structure is located between the antenna body and the second ground structure, a grounding point of the antenna body and a ground of the first ground structure Electrical connection, ground connection of the ground of the first ground structure and the second ground structure;
所述第二地结构位于所述接触面， 所述第二地结构覆盖所述天线本体在 所述接触面上的辐射区域。  The second ground structure is located on the contact surface, and the second ground structure covers a radiation area of the antenna body on the contact surface.
2、 根据权利要求 1所述的天线， 其特征在于， 当所述天线本体在所述接 触面上的所述辐射区域的辐射强度超出预设值时， 则所述第二地结构位于所 述接触面上所述天线本体辐射值大于所述预设值的区域；  The antenna according to claim 1, wherein when the radiation intensity of the radiation area of the antenna body on the contact surface exceeds a preset value, the second ground structure is located at the An area on the contact surface where the radiation value of the antenna body is greater than the preset value;
当所述天线本体在所述接触面上的所述辐射区域的辐射强度不高于所述 预设值时， 则所述第二地结构不覆盖所述接触面上所述天线本体辐射值不高 于所述预设值的区域。  When the radiation intensity of the radiation area of the antenna body on the contact surface is not higher than the preset value, the second ground structure does not cover the radiation value of the antenna body on the contact surface. An area higher than the preset value.
3、 根据权利要求 1所述的天线， 其特征在于， 所述第一地结构的地和所 述第二地结构的地之间采用电连接的方式相连接包括：  The antenna according to claim 1, wherein the ground connection between the ground of the first ground structure and the ground of the second ground structure is electrically connected:
所述第一地结构的地和所述第二地结构的地之间采用直接连接方式进行 电连接， 所述直接连接方式包括通过连接器件实现所述第一地结构的地与所 述第二地结构的地之间的连接； 或  Electrical connection between the ground of the first ground structure and the ground of the second ground structure is performed by a direct connection manner, and the direct connection manner includes realizing the ground of the first ground structure and the second by a connecting device a connection between the ground of the ground structure; or
所述第一地结构的地和所述第二地结构的地之间采用间接连接方式进行 电连接， 所述间接连接方式包括通过所述连接器件将所述第一地结构的地和 所述第二地结构的地连接在第三个导电体上， 以实现所述第一地结构的地与 所述第二地结构的地之间的连接， 所述连接器件包括柔性印刷电路板和 /或焊 脚。  Electrical connection is made between the ground of the first ground structure and the ground of the second ground structure by an indirect connection manner, where the indirect connection manner includes the ground of the first ground structure and the The ground of the second ground structure is connected to the third electrical conductor to realize the connection between the ground of the first ground structure and the ground of the second ground structure, and the connecting device comprises a flexible printed circuit board and/or Or solder fillet.
4、 根据权利要求 1所述的天线， 其特征在于， 所述第一地结构包括印刷 电路板， 所述第二地结构包括导电材料的底板， 所述导电材料的底板包括以 下项目中的一种或其组合：  4. The antenna according to claim 1, wherein the first ground structure comprises a printed circuit board, the second ground structure comprises a bottom plate of a conductive material, and the bottom plate of the conductive material comprises one of the following items Species or combinations thereof:
纯金属片、 合金金属片、 柔性印刷电路板、 印刷电路板。  Pure metal sheets, alloy metal sheets, flexible printed circuit boards, printed circuit boards.
5、 根据权利要求 1至 4任一所述的天线， 其特征在于， 所述天线本体包 括以下走线中的一种或其组合： 倒置 F型天线、 平面倒 F天线、 环天线、 单 极天线 The antenna according to any one of claims 1 to 4, wherein the antenna body comprises one or a combination of the following traces: an inverted F antenna, a planar inverted F antenna, a loop antenna, and a single Polar antenna
6、一种可穿戴设备，其特征在于，包括总线和与该总线相连接的发射器、 接收器、 存储器以及处理器；  6. A wearable device, comprising: a bus and a transmitter, a receiver, a memory, and a processor coupled to the bus;
其中， 所述发射器包括如权利要求 1至 5中任一项所述的天线， 该发射 器用于通过所述天线进行信号发射， 所述接收器用于接收信号， 所述存储器 用于存储指令， 所述处理器用于读取该指令进行与所述指令对应的操作。  The transmitter includes the antenna according to any one of claims 1 to 5, wherein the transmitter is configured to perform signal transmission through the antenna, the receiver is configured to receive a signal, and the memory is configured to store an instruction, The processor is configured to read the instruction to perform an operation corresponding to the instruction.
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