WO2021129770A1 - 可穿戴电子设备 - Google Patents

可穿戴电子设备 Download PDF

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Publication number
WO2021129770A1
WO2021129770A1 PCT/CN2020/139194 CN2020139194W WO2021129770A1 WO 2021129770 A1 WO2021129770 A1 WO 2021129770A1 CN 2020139194 W CN2020139194 W CN 2020139194W WO 2021129770 A1 WO2021129770 A1 WO 2021129770A1
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Prior art keywords
ground layer
electronic device
wearable
wearable electronic
antenna
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PCT/CN2020/139194
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English (en)
French (fr)
Inventor
陈玉稳
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维沃移动通信有限公司
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Publication of WO2021129770A1 publication Critical patent/WO2021129770A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/273—Adaptation for carrying or wearing by persons or animals
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • A44C5/0053—Flexible straps
    • G—PHYSICS
    • G04—HOROLOGY
    • G04R—RADIO-CONTROLLED TIME-PIECES
    • G04R60/00—Constructional details
    • G04R60/06—Antennas attached to or integrated in clock or watch bodies
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/48—Earthing means; Earth screens; Counterpoises
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • 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 present invention relates to the technical field of electronic products, in particular to a wearable electronic device.
  • the antenna wiring space is limited by the size of the main body of the smartwatch, and the settings of other components are also limited. It is necessary to consider antenna wiring, which makes it a difficult problem for smart watches to achieve low-band cellular frequencies.
  • the watch body is made of an all-metal form, the clearance, area, height and other conditions of the antenna on the watch body cannot be met, which greatly reduces the antenna bandwidth and efficiency.
  • the conventional solution is to make an antenna on the strap, but because the strap is close to the arm, the antenna is greatly absorbed by the arm, and the antenna performance deteriorates seriously.
  • the existing smart watch design has the disadvantage of poor antenna performance.
  • the embodiment of the present invention provides a wearable electronic device, which solves the problem that the antenna radiation efficiency cannot be guaranteed on the basis of satisfying the antenna layout and the antenna clearance in the prior art.
  • the embodiment of the present invention provides a wearable electronic device, including:
  • a wearable component connected to the main body of the device
  • a metal ground layer provided on the first end surface of the wearable component
  • An antenna body provided on the second end surface of the wearable component
  • the first end surface is an inner surface close to the user's wearing part
  • the second end surface is an outer surface away from the user's wearing part
  • a metal ground layer is provided on the first end surface of the wearable component close to the user wearing part, and the antenna body is provided on the second end surface of the wearable component far away from the user wearing part, so that the metal ground layer blocks the energy of the antenna body from being absorbed. It can avoid the influence of the wearing user on the antenna body, ensure the radiation efficiency of the antenna body, and solve the problem that the antenna radiation efficiency cannot be guaranteed on the basis of satisfying the antenna layout and antenna clearance in the prior art.
  • FIG. 1 is a schematic diagram of a wearable electronic device according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of the relative positions of the device main body, the wearable component, and the antenna main body according to the embodiment of the present invention
  • FIG. 3 is a second schematic diagram of a wearable electronic device according to an embodiment of the present invention.
  • FIG. 4 is the third schematic diagram of the wearable electronic device according to the embodiment of the present invention.
  • the embodiment of the present invention provides a wearable electronic device, as shown in FIG. 1 to FIG. 3, including:
  • the first end surface is an inner surface close to the user's wearing part, and the second end surface is an outer surface away from the user's wearing part.
  • the wearable electronic device includes a device main body 1 and a wearable component 2 connected to the device main body 1, and the wearable device 2 is implemented by the user to wear the wearable device.
  • the first end surface of the wearable component 2 close to the user wearing part is provided with a metal ground layer 3
  • the second end surface of the wearable component 2 far away from the user wearing part is provided with an antenna body 4, forming the antenna body 4, the wearable component 2 and the metal ground layer
  • the metal ground layer 3 is in contact with the wearing user, which can prevent the electromagnetic energy of the antenna body 4 from being absorbed by the wearing user, thereby ensuring the radiation efficiency of the antenna body 4.
  • a feed source may be provided between the antenna body 4 and the device body 1, specifically the feed source is formed between the antenna body 4 and the main ground corresponding to the device body 1, and the feed source connection mode may be set to coupling feeding.
  • the feed source is connected to the antenna body 4 in the form of a coupling piece, wherein the coupling piece is in contact with the antenna body 4 through an electromagnetic field.
  • the size of the antenna body 4 is smaller than or equal to the size of the metal ground layer 3.
  • the metal ground layer 3 can block the electromagnetic energy of the antenna body 4 from being absorbed by the wearing user, thereby improving radiation efficiency. It should be noted that the metal ground layer 3 is not shown in FIG. 2.
  • the metal ground layer 3 is connected to the ground layer of the device body 1, and the ground layer of the device body 1 is the main board of the device body 1, or the ground layer of the device body 1 is The structure formed by the main board and the metal shell.
  • the metal ground layer 3 provided on the wearable component 2 may be connected to the ground layer of the device main body 1, wherein the ground layer of the device main body 1 is the main ground. If the shell of the device main body 1 is made of non-metallic material, the main ground of the device main body 1 is the main board of the device main body 1; if the casing of the device main body 1 is made of metal material, the main ground of the device main body 1 is formed by the main board and the metal casing Structure.
  • the metal ground layer 3 and the ground layer of the device body 1 may not be connected, so two specific structural forms can be formed: 1.
  • the metal ground layer 3 is provided on the first end surface of the wearable part 2 near the user's wearing part.
  • An antenna body 4 is provided on the second end face away from the user's wearing part.
  • the size of the antenna body 4 is smaller than or equal to the size of the metal ground layer 3, and the metal ground layer 3 is connected to the ground layer of the device body 1.
  • a metal ground layer 3 is provided on the first end surface of the wearable component 2 close to the user wearing part, and the antenna body 4 is provided on the second end surface of the wearable component 2 far away from the user wearing part.
  • the size of the antenna body 4 is less than or equal to that of the metal ground layer 3 Size, in which the metal ground layer 3 is not connected to the ground layer of the device body 1.
  • the wearable component 2 is a flexible component, and the wearable component 2 includes a first form bent into a ring structure.
  • the flexible wearable component 2 may correspond to a flattened form, or may correspond to a form bent into a specific shape, so as to facilitate the user's wearing state.
  • the wearable component 2 includes a first form that is bent into a ring structure and is convenient for the user to wear.
  • the metal ground layer 3 is a flexible metal layer, and the metal ground layer 3 extends along the bending direction of the ring structure.
  • the metal ground layer 3 may be a flexible metal layer. By using a flexible material to form the metal ground layer 3, the metal ground layer 3 can be extended along the bending direction of the ring structure, so that the shape of the metal ground layer 3 matches the shape of the wearable component 2. Ensure that the user wears.
  • the antenna body 4 extends along the bending direction of the ring structure on the wearable component 2, and the antenna body 4 is in the axial direction of the ring structure.
  • the width of is less than or equal to the width of the metal ground layer 3.
  • the antenna body 4 is also a flexible structure, and can extend along the bending direction of the ring structure on the wearable component 2, so that the antenna body 4 matches the shape of the metal ground layer 3 and the wearable component 2 to ensure the wear of the user, and In the axial direction of the ring structure, the width of the antenna body 4 is less than or equal to the width of the metal ground layer 3, which can prevent the electromagnetic energy of the antenna body 4 from being absorbed by the user wearing it, and realize the barrier between the antenna body 4 and the user through the metal ground layer 3 Contact, thereby improving the radiation efficiency of the antenna body 4.
  • a predetermined position of the metal stratum 3 forms a fracture 5, and the predetermined position and the feed are symmetrical with respect to the center of the ring structure.
  • a metal ground layer 3 is provided on the first end surface of the flexible wearable component 2 close to the user wearing part
  • the antenna body 4 is provided on the second end surface of the wearable component 2 away from the user wearing part, and the wearable component 2 is bent into a ring shape.
  • both the metal ground layer 3 and the antenna body 4 extend along the bending direction of the ring structure, so that the shape of the metal ground layer 3 and the antenna body 4 matches the shape of the wearable component 2.
  • the width of the antenna body 4 is less than or equal to the width of the metal ground layer 3, so that the metal ground layer 3 is used to block the electromagnetic energy of the antenna body 4 from being absorbed by the user, thereby ensuring the radiation efficiency of the antenna body 4.
  • a fracture 5 is formed at a predetermined position of the metal stratum 3, and the predetermined position and the feed source are symmetrical with respect to the center of the ring structure.
  • the length of the antenna body 4 can be set according to the required resonant frequency. Generally, it can be set in the form of a 1/4-wavelength monopole antenna, a 3/4-wavelength loop antenna, etc. and their modifications. The personnel can also set up other antenna forms. The number of antenna bodies 4 on the metal ground layer 3 can also be set according to requirements.
  • the wearable electronic device is a smart bracelet.
  • the electromagnetic energy of the antenna body can be prevented from being absorbed by the wearing user, thereby ensuring the radiation efficiency of the antenna.
  • the wearable electronic device is a smart watch
  • the wearable component is a strap of the smart watch.
  • a metal ground layer is provided on the first end surface of the wearable component close to the user wearing part, and the antenna body is provided on the second end surface of the wearable component far away from the user wearing part, so as to realize blocking by the metal ground layer
  • the energy of the antenna body is absorbed, which can avoid the influence of the wearing user on the antenna body, ensure the radiation efficiency of the antenna body, and solve the problem that the antenna radiation efficiency cannot be guaranteed on the basis of satisfying the antenna layout and antenna clearance in the prior art.
  • the wearable component can be bent into the first form, thereby facilitating the user's wearing.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
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Abstract

本发明提供了一种可穿戴电子设备，包括：设备主体；与设备主体连接的可穿戴部件；设置于可穿戴部件的第一端面上的金属地层；以及设置于可穿戴部件的第二端面上的天线本体；其中，第一端面为靠近用户佩戴部位的内表面，第二端面为远离用户佩戴部位的外表面。

Description

可穿戴电子设备
相关申请的交叉引用
本申请主张在2019年12月26日在中国提交的中国专利申请No.201911365010.4的优先权，其全部内容通过引用包含于此。
技术领域
本发明涉及电子产品技术领域，尤其涉及一种可穿戴电子设备。
背景技术
现有的智能手表设计中，由于提供700MHz/800MHz/850MHz/900MHz的天线需要的接地层大于手表所提供的空间，因此天线布线的空间受智能手表主体空间大小的局限，其他部件的设置也均要为天线布线考虑，这使得智能手表实现低波段蜂窝频率成为一个难题。另外如果表体做成全金属形式，在表体上做天线的净空、面积、高度等条件都没办法满足，使得天线带宽和效率大幅度降低。
为解决上述问题，常规的解决方案为：在表带上做天线，但是因为表带贴近手臂，天线受手臂的吸收很大，天线性能恶化严重。
综上，为了解决天线布局以及天线净空的问题，现有的智能手表设计方案存在天线性能差的弊端。
发明内容
本发明实施例提供一种可穿戴电子设备，在解决现有技术中在满足天线布局以及天线净空的基础上，无法保证天线辐射效率的问题。
为了解决上述问题，本发明实施例是这样实现的：
本发明实施例提供一种可穿戴电子设备，包括：
设备主体；
与所述设备主体连接的可穿戴部件；
设置于所述可穿戴部件的第一端面上的金属地层；以及
设置于所述可穿戴部件的第二端面上的天线本体；
其中，所述第一端面为靠近用户佩戴部位的内表面，所述第二端面为远离用户佩戴部位的外表面。
本发明技术方案，通过在可穿戴部件靠近用户佩戴部位的第一端面设置金属地层，在可穿戴部件远离用户佩戴部位的第二端面设置天线本体，实现通过金属地层阻挡天线本体的能量被吸收，可以避免佩戴用户对天线本体的影响，保证天线本体的辐射效率，解决现有技术中在满足天线布局以及天线净空的基础上，无法保证天线辐射效率的问题。
附图说明
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
图1为本发明实施例可穿戴电子设备示意图之一；
图2为本发明实施例设备主体、可穿戴部件以及天线本体的相对位置示意图；
图3为本发明实施例可穿戴电子设备示意图之二；
图4为本发明实施例可穿戴电子设备示意图之三。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
本发明实施例提供一种可穿戴电子设备，如图1至图3所示，包括：
设备主体1；与设备主体1连接的可穿戴部件2；设置于可穿戴部件2的第一端面上的金属地层3；以及设置于可穿戴部件2的第二端面上的天线本体4；其中，第一端面为靠近用户佩戴部位的内表面，第二端面为远离用户佩 戴部位的外表面。
本发明实施例提供的可穿戴电子设备包括设备主体1，以及与设备主体1连接的可穿戴部件2，通过可穿戴部件2实现用户对可穿戴设备的佩戴。其中，可穿戴部件2靠近用户佩戴部位的第一端面设置有金属地层3，可穿戴部件2远离用户佩戴部位的第二端面设置有天线本体4，形成天线本体4、可穿戴部件2以及金属地层3依次排列的形式，通过金属地层3与佩戴用户接触，可以阻挡天线本体4的电磁能量被佩戴用户吸收，进而实现保证天线本体4的辐射效率。其中，天线本体4与设备主体1之间可以设置馈源，具体为馈源形成于天线本体4与设备主体1所对应的主地之间，且馈源连接方式可以设置为耦合式馈入，具体为馈源通过耦合片的形式与天线本体4连接，其中耦合片通过电磁场与天线本体4接触。
在本发明一实施例中，如图1、图2和图3所示，天线本体4的尺寸小于或者等于金属地层3的尺寸。通过将天线本体4的尺寸设置为小于或者等于金属地层3的尺寸，可以保证金属地层3实现阻挡天线本体4的电磁能量被佩戴用户吸收，提高辐射效率。需要说明的是，图2中未示出金属地层3。
在本发明一实施例中，如图1、图2和图3所示，金属地层3与设备主体1的地层连接，设备主体1的地层为设备主体1的主板，或者设备主体1的地层为主板与金属壳体形成的结构。
设置于可穿戴部件2上的金属地层3可以连接至设备主体1的地层，其中，设备主体1的地层即为主地。若设备主体1的外壳为非金属材质，则设备主体1的主地为设备主体1的主板；若设备主体1的外壳为金属材质，则设备主体1的主地为主板和金属壳体所形成的结构。
其中，金属地层3与设备主体1的地层也可以不连接，因此可形成两种具体的结构形式：一、在可穿戴部件2靠近用户佩戴部位的第一端面设置金属地层3，在可穿戴部件2远离用户佩戴部位的第二端面设置天线本体4，天线本体4的尺寸小于或者等于金属地层3的尺寸，且金属地层3连接至设备主体1的地层。二、在可穿戴部件2靠近用户佩戴部位的第一端面设置金属地层3，在可穿戴部件2远离用户佩戴部位的第二端面设置天线本体4，天线本体4的尺寸小于或者等于金属地层3的尺寸，其中金属地层3与设备主体 1的地层不连接。
在本发明一实施例中，如图1、图2和图3所示，可穿戴部件2为柔性部件，且可穿戴部件2包括弯曲为环状结构的第一形态。
柔性的可穿戴部件2可对应于展平的形态，也可对应于弯曲成特定形状的形态，以便于用户穿戴的状态。针对弯曲成特定形状的形态而言，可穿戴部件2包括弯曲为环状结构的、便于用户佩戴的第一形态。
在本发明一实施例中，如图1、图2和图3所示，金属地层3为柔性金属层，且金属地层3沿环状结构的弯曲方向延伸。
金属地层3可以为柔性的金属层，通过采用柔性材质形成金属地层3，可以使得金属地层3沿环状结构的弯曲方向延伸，进而使得金属地层3的形态与可穿戴部件2的形态相匹配，保证用户的佩戴。
在本发明一实施例中，如图1、图2和图3所示，天线本体4在可穿戴部件2上沿环状结构的弯曲方向延伸，且天线本体4在环状结构的轴向上的宽度小于或者等于金属地层3的宽度。
天线本体4也为柔性结构，且可以在可穿戴部件2上沿环状结构的弯曲方向延伸，进而使得天线本体4与金属地层3和可穿戴部件2的形态相匹配，保证用户的佩戴，且在环状结构的轴向上，天线本体4的宽度小于或者等于金属地层3的宽度，可以避免天线本体4的电磁能量被佩戴用户吸收，实现通过金属地层3阻挡天线本体4与用户之间的接触，进而提高天线本体4的辐射效率。
在本发明一实施例中，如图4所示，金属地层3的预设位置形成一断口5，且预设位置与馈源关于环状结构的中心对称。
具体为，在柔性的可穿戴部件2靠近用户佩戴部位的第一端面设置金属地层3，在可穿戴部件2远离用户佩戴部位的第二端面设置天线本体4，且可穿戴部件2弯曲为环状结构，相应地，金属地层3以及天线本体4均沿环状结构的弯曲方向延伸，使得金属地层3、天线本体4的形态与可穿戴部件2的形态相匹配。
在环状结构的轴向上，天线本体4的宽度小于或者等于金属地层3的宽度，实现采用金属地层3阻挡天线本体4的电磁能量被用户吸收，进而保证 天线本体4的辐射效率。
其中在金属地层3的预设位置形成一断口5，且预设位置与馈源关于环状结构的中心对称。
在本发明上述实施例中，天线本体4的长度可根据所需谐振频率进行设置，一般可设置为类1/4波长单极天线、3/4波长loop天线等形式及其变形，本领域技术人员还可以设置其他的天线形式。其中，金属地层3上天线本体4的数量也可以根据需求来设置。
在本发明一实施例中，可穿戴电子设备为智能手环。通过佩戴上述结构的智能手环，可以阻挡天线本体的电磁能量被佩戴用户吸收，进而实现保证天线的辐射效率。
在本发明一实施例中，可穿戴电子设备为智能手表，可穿戴部件为智能手表的表带，通过弯曲成环状的表带可以实现用户对可穿戴电子设备的佩戴，同时可以阻挡天线本体的电磁能量被佩戴用户吸收，进而实现保证天线的辐射效率。
本发明实施例所提供的可穿戴电子设备，通过在可穿戴部件靠近用户佩戴部位的第一端面设置金属地层，在可穿戴部件远离用户佩戴部位的第二端面设置天线本体，实现通过金属地层阻挡天线本体的能量被吸收，可以避免佩戴用户对天线本体的影响，保证天线本体的辐射效率，解决现有技术中在满足天线布局以及天线净空的基础上，无法保证天线辐射效率的问题。
且通过采用柔性的可穿戴部件，可以使得可穿戴部件弯曲为第一形态，进而便于用户的穿戴。
本说明书中的每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似的部分互相参见即可。
最后，还需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者终端设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者 终端设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者终端设备中还存在另外的相同要素。
以上所述的是本发明的实施方式，应当指出对于本技术领域的普通人员来说，在不脱离本发明所述的原理前提下还可以作出若干改进和润饰，这些改进和润饰也在本发明的保护范围内。

Claims (10)

  1. 一种可穿戴电子设备，包括：
    设备主体；
    与所述设备主体连接的可穿戴部件；
    设置于所述可穿戴部件的第一端面上的金属地层；以及
    设置于所述可穿戴部件的第二端面上的天线本体；
    其中，所述第一端面为靠近用户佩戴部位的内表面，所述第二端面为远离用户佩戴部位的外表面。
  2. 根据权利要求1所述的可穿戴电子设备，其中，所述天线本体的尺寸小于或者等于所述金属地层的尺寸。
  3. 根据权利要求1所述的可穿戴电子设备，其中，所述金属地层与所述设备主体的地层连接；
    所述设备主体的地层为所述设备主体的主板，或者所述设备主体的地层为所述主板与金属壳体形成的结构。
  4. 根据权利要求1所述的可穿戴电子设备，其中，所述金属地层未连接至所述设备主体的地层。
  5. 根据权利要求1所述的可穿戴电子设备，其中，所述可穿戴部件为柔性部件，且所述可穿戴部件包括弯曲为环状结构的第一形态。
  6. 根据权利要求5所述的可穿戴电子设备，其中，
    所述金属地层为柔性金属层，且所述金属地层沿所述环状结构的弯曲方向延伸。
  7. 根据权利要求6所述的可穿戴电子设备，其中，
    所述天线本体在所述可穿戴部件上沿所述环状结构的弯曲方向延伸，且所述天线本体在所述环状结构的轴向上的宽度小于或者等于所述金属地层的宽度。
  8. 根据权利要求5所述的可穿戴电子设备，其中，所述金属地层的预设位置形成一断口，且所述预设位置与馈源关于所述环状结构的中心对称；
    其中，所述天线本体与所述设备主体之间设置所述馈源。
  9. 根据权利要求1至8任一项所述的可穿戴电子设备，其中，
    所述可穿戴电子设备为智能手环。
  10. 根据权利要求1至8任一项所述的可穿戴电子设备，其中，
    所述可穿戴电子设备为智能手表，所述可穿戴部件为智能手表的表带。
PCT/CN2020/139194 2019-12-26 2020-12-25 可穿戴电子设备 WO2021129770A1 (zh)

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