WO2017045466A1 - 一种可穿戴设备和智能手表 - Google Patents

一种可穿戴设备和智能手表 Download PDF

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Publication number
WO2017045466A1
WO2017045466A1 PCT/CN2016/089376 CN2016089376W WO2017045466A1 WO 2017045466 A1 WO2017045466 A1 WO 2017045466A1 CN 2016089376 W CN2016089376 W CN 2016089376W WO 2017045466 A1 WO2017045466 A1 WO 2017045466A1
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WO
WIPO (PCT)
Prior art keywords
metal
extension member
pcb board
antenna
wearable device
Prior art date
Application number
PCT/CN2016/089376
Other languages
English (en)
French (fr)
Inventor
张建国
赵培杰
王琳
Original Assignee
歌尔股份有限公司
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
Priority claimed from CN201520716654.4U external-priority patent/CN205427463U/zh
Priority claimed from CN201520716683.0U external-priority patent/CN204991953U/zh
Application filed by 歌尔股份有限公司 filed Critical 歌尔股份有限公司
Priority to US15/743,581 priority Critical patent/US10847872B2/en
Publication of WO2017045466A1 publication Critical patent/WO2017045466A1/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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G17/00—Structural details; Housings
    • G04G17/02—Component assemblies
    • G04G17/04—Mounting of electronic components
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G21/00—Input or output devices integrated in time-pieces
    • G04G21/04—Input or output devices integrated in time-pieces using radio waves
    • 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
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole

Definitions

  • the present invention relates to the field of wearable device manufacturing technology, and in particular to a wearable device and a smart watch.
  • the whole machine cannot be made too large, so for the antenna with large electric size (such as GSM850 and GSM900 in 2G communication), there is a reference ground.
  • the length does not meet the requirements of the antenna, and the antenna efficiency cannot be made too high, so that the TRP and TIS of the whole machine are too low, resulting in low transmission power of the antenna, poor receiving sensitivity, and fever of the whole machine.
  • the existing wearable device has the defects of poor antenna receiving sensitivity and low antenna transmitting power.
  • the present invention provides a wearable device and a smart watch to solve the problem that the existing wearable device has low antenna transmission power and poor reception sensitivity.
  • the invention discloses a wearable device, which is provided with a printed circuit board PCB board, an antenna mounted on the PCB board, and an extension component for extending the reference ground of the antenna;
  • the extended ground component is disposed outside the PCB board, and the extension component is connected to the PCB board through a metal connector;
  • the first connection end of the metal connector is connected to the PCB board, and the second connection end of the metal connector is connected to the extension member.
  • the invention also discloses a smart watch, which comprises a dial, a watchband and a printed electric power arranged in the dial. a circuit board PCB board, an antenna mounted on the PCB board, and an extension component for extending the reference ground of the antenna;
  • the strap is made of a non-metal material, at least part of the extension member is made of metal and the extension member is disposed on the surface or inside of the strap, and the extension member is connected to the PCB board through a predetermined metal connector.
  • the invention also discloses a smart watch, comprising a dial, a watchband, a printed circuit board PCB board disposed in the dial, an antenna mounted on the PCB board, and an extension component for extending the reference ground of the antenna;
  • the strap is made of metal, and the strap is made of at least a part of metal as an extension member, and the metal strap is connected to the PCB through a predetermined metal connector.
  • the wearable device and the smart watch provided by the present invention can effectively extend the reference ground of the antenna by providing an extension component outside the PCB board and providing a metal connector to connect the PCB board and the extension component, thereby improving the antenna.
  • the efficiency in turn increases the antenna transmit power and antenna receive sensitivity, ie increases the total radiated power TRP of the entire wearable device, as well as the total omnidirectional sensitivity TIS.
  • FIG. 1 is a schematic structural view of a wearable device according to the present invention.
  • FIG. 2 is a schematic diagram of an equivalent antenna of the wearable device of FIG. 1;
  • FIG. 3 is a schematic structural view of the wearable device of FIG. 1 when no extension member is provided;
  • FIG. 4 is a schematic diagram of an equivalent antenna of the wearable device of FIG. 3;
  • FIG. 5 is a schematic structural view of another wearable device in the present invention.
  • Figure 6 is a schematic structural view of a smart watch in the present invention.
  • Fig. 7 is a schematic structural view of another smart watch in the present invention.
  • a wearable device in the present invention.
  • a PCB (Printed Circuit Board) 102 is disposed in the wearable device, and an antenna 101 is mounted on the PCB 102.
  • an extension member 104 for extending the reference ground of the antenna 101.
  • the extension member 104 is disposed outside the PCB board 102, and the extension member 104 and the PCB board 102 are connected by a metal connector 103;
  • the first connection end of the metal connector 103 is connected to the PCB board 102, and the second connection end of the metal connector 103 is connected to the extension member 104.
  • the two connection ends of the metal connector 103 are prevented from falling off during the wearing of the wearable device, or the contact between the extension member 104 and the PCB board is poor.
  • the metal connector 103 has an elastic structure. An advantage of such an arrangement is that since the extension member 104 is disposed outside the PCB board 102, there is a case where the extension member 104 is bent by an external force, and the metal connector 103 is provided as an elastic structure, so that the extension member 104 is subjected to an external force.
  • a certain deformation can be generated to play a buffering function, thereby ensuring that the two connecting ends of the metal connecting member 103 are firmly fixed to the extension member 104 and the PCB board 102, preventing the falling of the metal connecting member 103 from causing contact problems.
  • the reference ground of the extended antenna can satisfy the mirror image on the reference ground to be closer to a quarter wavelength, thereby greatly improving the power of the antenna.
  • the difference between the total length of the upper edge of the PCB board 102 to the lower edge of the extension member 104 and a quarter of the wavelength emitted by the antenna is less than a predetermined threshold.
  • the antenna 101 since the mirror portion of the antenna 101 falls on the PCB board 102, the antenna 101, together with its mirror image on the ground, forms the two radiating arms of the dipole antenna, forming a complete dipole antenna. If the length of the ground is less than a quarter of the wavelength emitted by the antenna, another complete radiating arm cannot be formed on the ground, resulting in an inability for the dipole antenna to achieve optimal results. Wherein, the length a of the antenna is one quarter of the wavelength emitted by the antenna.
  • the length a of the antenna corresponds to the radiating arm 1011
  • the total length b of the upper edge of the PCB board 102 to the lower edge of the extension member 104 corresponds to the radiating arm 1021; the total edge of the PCB board 102 to the lower edge of the extension member 104
  • the length b is the length of the reference ground on which the antenna 101 is mirrored on the PCB board 102.
  • the total length of the upper edge of the PCB board 102 to the lower edge of the extension member 104 can only be achieved as much as possible. As close as possible to a quarter of the wavelength emitted by the antenna.
  • the total length of the upper edge of the PCB board 102 to the lower edge of the extension member 104 is greater than 40 mm.
  • the difference between the total length b of the upper edge of the PCB board 102 to the lower edge of the extension member 104 and a quarter of the wavelength emitted by the antenna is less than a predetermined threshold.
  • the predetermined threshold value the better, that is, the closer the total length b of the upper edge of the PCB board 102 to the lower edge of the extension member 104 is closer to a quarter of the wavelength emitted by the antenna, the effect of improving the antenna power can be achieved. The better.
  • FIG. 3 is a schematic structural view of the wearable device shown in FIG. 1 without an extension member
  • FIG. 4 is a schematic diagram of an equivalent antenna of the wearable device shown in FIG.
  • the length of the antenna is 1/4 of the transmission wavelength, corresponding to the radiation arm 2011, the length of the PCB board 202 corresponds to the radiation arm 2021, and the length of the PCB board 202 is the reference ground of the antenna 201 mirrored on the PCB board 202. length. Since the length of the PCB board 202 is small, that is, the length of the ground is less than a quarter of the wavelength emitted by the antenna, the antenna 201 cannot form another complete radiating arm on the ground, resulting in the dipole antenna failing to achieve an optimum effect.
  • the extension member 104 by providing the extension member 104, the PCB board 102 and the extension member 104 are respectively connected by the metal connector 103, thereby extending the reference ground of the antenna 101, that is, making the mirror image of the antenna 101 on the PCB board 102 longer.
  • the antenna 101 can be made to form another complete radiating arm on the ground.
  • the length of the antenna is 83mm
  • the length of the ideal reference ground is about a quarter of the wavelength of the frequency, which is about 83mm; that is, the upper edge of the PCB board 102 to the lower part of the extension member 104.
  • the total length of the edges is not less than 83 mm. It can be seen that in the present application, by providing the extension member 104, the total length of the PCB board 102 and the extension member 104 is closer to the ideal reference ground, so that the mirror image radiation arm length of the antenna 101 on the reference ground is close to or reaches a quarter.
  • the wavelength thereby increasing the antenna receiving sensitivity of the antenna, ie increasing the total radiated power TRP of the entire wearable device, and the total Omnidirectional sensitivity TIS.
  • the contact area of the second connection end with the extended ground member 104 is greater than a set area threshold. That is, the second connection end of the metal connector 103 is in close contact with the extension member 104, and the contact area is larger than the set area threshold, thereby achieving the purpose of effectively reducing the electrical impedance.
  • the second connection end is composed of a plurality of metal members, the plurality of metal members
  • the total contact area with the extension member 104 is greater than the set area threshold. That is, in the present embodiment, by providing a plurality of metal members to increase the solder contact area between the metal member and the extension member 104, the purpose of reducing the electrical impedance and improving the conductive effect is achieved.
  • the shape of the elongate member 104 is U-shaped, S-shaped, L-shaped, T-shaped, or rectangular. Referring to Figure 1, the elongated member 104 is rectangular in shape. In other embodiments of the invention, the particular shape of the extension member 104 can be selected based on the design of the wearable device.
  • the elongate member 104 is a solid structure.
  • the extension member 104 may also be a hollow structure, that is, the extension member 104 has a hollow rectangular structure.
  • the shaded portion is a corresponding solid metal structure
  • the middle white portion is a hollow portion.
  • the skin depth values for the same frequency are also different due to the different materials of each conductor. Therefore, in the above embodiment of the invention, the edge width of the elongated member of the hollow structure is not less than the skin depth value of the elongated member.
  • the extension member 104 adopts a hollow structure, which not only saves material, but also reduces cost; and the hollow structure of the extension member 104 can also be tight with the inside of the wearable device. Match the space or the space with special holes to meet the requirements of its compact space or special hole space.
  • the metal connector 103 is an elastic metal sheet.
  • the metal connector 103 can also be a pogo pin POGO PIN.
  • the metal connector 103 can also be part of a flexible circuit board.
  • the wearable device in the above embodiment of the invention, is a smart watch or a smart bracelet.
  • FIG. 6 is a schematic structural view of a smart watch according to an embodiment of the present invention.
  • a dial 105 and a watch band 106 are included; and a printed circuit board (PCB) disposed in the dial 105 , Printed Circuit Board (not shown), an antenna mounted on the PCB (not shown); and an extension member 104 for extending the reference ground of the antenna;
  • PCB printed circuit board
  • the watch band 106 is made of a non-metal material, at least a portion of the extension member 104 is made of metal and the extension member 104 is disposed on the surface or inside of the watch band 106, and the extension member 104 is connected to the PCB board through a predetermined metal connection member 103.
  • the two connection ends of the metal connector 103 are prevented from falling off during the wearing of the smart watch, or the extension member 104 and the PCB board are caused. Poor contact.
  • the metal connector 103 has an elastic structure. The advantages of such an arrangement have been described in detail above when the wearable device is described, and will not be described herein.
  • the extension member 104 is a Flexible Printed Circuit Board (FPC).
  • the metal connector 103 is a metal dome disposed on the PCB board 102; a feed point is pre-set on the flexible circuit board, and a metal dome is disposed at a corresponding position on the PCB board; the metal dome is away from the end of the PCB board 102 and the flexible circuit board
  • the preset feed points are connected. That is, during the assembly process, one or two feed point positions are preset on the FPC, and the metal connection member 103 is disposed at a corresponding position on the corresponding PCB board 102, and the metal connection member 103 is realized by welding.
  • the feed point connection reserved on the FPC realizes the electrical connection between the FPC and the PCB board 102.
  • the extension member 104 can also be a metal sheet.
  • Metal connection The connector is a metal dome disposed on the PCB board 102; the metal sheet is pre-set with a feeding point, and a metal dome is disposed at a corresponding position on the PCB board; an end of the metal dome away from the PCB board is connected with a preset feeding point on the metal piece . That is, during the assembly process, one or two feed point positions are preset on the metal piece, and the metal connection piece 103 is disposed at a corresponding position on the corresponding PCB board 102, and the metal connection piece 103 and the metal are realized by welding.
  • the feed point connection reserved on the chip; the electrical connection between the metal piece and the PCB board 102 is realized.
  • the electrical connection between the metal piece and the PCB board can be realized by presetting the elastic leg on the metal connecting member 103 and connecting the protruding leg to the PCB board 102.
  • the extension member 104 can also be an electroplated member made by a laser direct structuring LDS process.
  • the extension member 104 is laser-lithographically engraved on a non-metallic watchband by an LDS process, that is, a plated member formed by laser engraving on the surface of the wristband of the smart watch as a corresponding extension member 104.
  • one or two feed points are reserved during laser engraving, and on the PCB board 102, corresponding metal connectors 103 are assembled according to the number of reserved feed points, through the assembled metal The connector 103 is connected to the plated portion of the laser and the PCB board 102.
  • the corresponding extension part 104 can be sprayed by spraying.
  • the corresponding coating maintains the appearance consistency of the watch band without affecting the normal function of the elongate member.
  • FIG. 7 is a schematic structural view of a smart watch according to another embodiment of the present invention.
  • the difference between the smart watch and the smart watch in the above embodiment is that the watch band is made of metal.
  • a dial 305 and a watchband 306 are included; and a printed circuit board PCB board 302 disposed in the dial, an antenna 301 mounted on the PCB board 302, and an extension member 304 for extending the reference ground of the antenna.
  • the strap 306 is made of a metal material, and the strap 306 of at least part of the metal material is used as the extension member 304.
  • the metal strap 306 is connected to the PCB board 302 through a predetermined metal connector 303.
  • the two connection ends of the metal connector 303 are prevented from falling off during the wearing of the smart watch, or the extension is caused.
  • the problem of poor contact between the piece 304 and the PCB board 302, the metal connector 303 has an elastic structure.
  • the metal material strap 306 is used as the extension member 304.
  • the metal connector 303 is a metal elastic piece; the metal strap 306 is provided with a metal elastic leg 3061, and the metal strap 306 is connected to the metal dial 305 of the smart watch through the metal elastic leg 3061, and the metal dial 305 passes through the metal elastic piece 303 and the PCB.
  • the plates 302 are connected.
  • the extended antenna can satisfy the mirror image on the reference ground to be closer to a quarter wavelength, thereby greatly increasing the power of the antenna, thereby increasing the total radiated power TRP of the entire smart watch, and the total omnidirectional sensitivity TIS.
  • the difference between the total length of the upper edge of the PCB board 302 to the lower edge of the extension member 304 and the quarter of the wavelength emitted by the antenna is less than a predetermined threshold.
  • connection end of the metal connecting member 303 connected to the extended ground member 304 has a larger contact area with the extended ground member 304.
  • Set the area threshold That is, the connection end of the metal connecting member 303 connected to the extended ground member 304 is in close contact with the extension member 304, and the contact area is larger than the set area threshold, thereby achieving the purpose of effectively reducing the electrical impedance.
  • the connecting end of the metal connecting member 303 connected to the extended ground member 304 is composed of a plurality of metal members, and the total contact area of the plurality of metal members and the extending member is greater than a set area threshold.
  • the extension member 304 can select the following shape according to the design of the smart watch: U-shaped, S-shaped, L-shaped, T-shaped, or rectangular.
  • the extension member may be a solid structure or a hollow structure, wherein the edge width of the extension member of the hollow structure is not less than the skin depth value of the extension member, as described in the above description of the wearable device, and no longer Narration.
  • the metal connector is an elastic metal piece or a spring pin POGO PIN.
  • the present invention provides a wearable device and a smart watch by connecting an extension member outside a PCB board and providing a metal connector to connect the PCB board and the extension member.
  • the reference ground of the antenna can be effectively extended, thereby improving the efficiency of the antenna, thereby improving the antenna transmit power and the antenna receiving sensitivity, that is, increasing the total radiated power TRP of the entire wearable device, and the total omnidirectional sensitivity TIS.
  • the PCB board and the extension member are respectively connected by the elastic metal piece, so that the pressure generated by the extension member, the PCB board and the other components in the wearable device can be buffered, and the wearable can be improved.
  • the extension member adopts a hollow structure, which not only saves material and reduces cost, but also can match the limited compact space inside the wearable device or the special space with holes to make more use of space.

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Abstract

本发明公开了一种可穿戴设备和智能手表。该可穿戴设备内设有印刷电路板PCB板，该PCB板上装配有天线，以及，用于延长所述天线的参考地的延长部件，所述延长部件设置在PCB板之外，通过金属连接件将延长部件和PCB板相连接；其中，金属连接件的第一连接端与PCB板相连接，金属连接件的第二连接端与延长部件相连接。本发明提供技术方案能够解决现有的可穿戴设备存在的天线发射功率低及天线接收灵敏度差的缺陷。

Description

一种可穿戴设备和智能手表 技术领域
本发明涉及有可穿戴设备制造技术领域，特别是涉及一种可穿戴设备和智能手表。
发明背景
目前，随着科技的发展，对于可穿戴设置的功能的要求也越来越高。并且对于可穿戴设备的多通信频段的要求也越来越强烈。
然而，由于可穿戴设置如腕表(手环)的外观所限，整机不可能做得太大，所以对于电尺寸偏大(比如2G通信中的GSM850及GSM900)的天线，存在参考地的长度(电长度)达不到天线要求，造成天线效率不可能做得太高，从而使得整机的TRP、TIS过低，造成天线的发射功率低、接收灵敏度差、整机发热等不良后果。
综上所述，现有的可穿戴设备存在天线接收灵敏度差及天线发射功率低的缺陷。
发明内容
本发明提供了一种可穿戴设备和智能手表，以解决现有的可穿戴设备存在天线发射功率低、接收灵敏度差的问题。
本发明公开了一种可穿戴设备，该可穿戴设备内设有印刷电路板PCB板，PCB板上装配有天线，以及，用于延长天线的参考地的延长部件；
延长地部件设置在PCB板之外，通过金属连接件将延长部件和PCB板相连接；
其中，金属连接件的第一连接端与PCB板相连接，金属连接件的第二连接端与延长部件相连接。
本发明还公开了一种智能手表，包括表盘、表带、设置在表盘内的印刷电 路板PCB板、装配在PCB板上的天线，以及，用于延长天线的参考地的延长部件；
其中，表带为非金属材质，至少部分该延长部件由金属构成且该延长部件设置在表带的表面或内部，延长部件通过预设的金属连接件与PCB板相连接。
本发明还公开了一种智能手表，包括表盘、表带、设置在表盘内的印刷电路板PCB板、装配在PCB板上的天线，以及，用于延长天线的参考地的延长部件；
其中，表带为金属材质，由至少部分金属材质的表带作为延长部件，金属表带通过预设的金属连接件与PCB板相连接。
综上所述，本发明提供的可穿戴设备和智能手表，通过在PCB板之外设置延长部件，并设置金属连接件连接PCB板和延长部件，能有效的延长天线的参考地，从而提高天线的效率进而提高天线发射功率和天线接收灵敏度，即提高整个可穿戴设备的总辐射功率TRP，以及总全向灵敏度TIS。
附图简要说明
图1是本发明中一种可穿戴设备的结构示意图；
图2是图1中可穿戴设备的等效天线示意图；
图3是图1中可穿戴设备未设置延长部件时的结构示意图；
图4是图3中可穿戴设备的等效天线示意图；
图5是本发明中另一种可穿戴设备的结构示意图；
图6是本发明中一种智能手表的结构示意图；
图7是本发明中另一种智能手表的结构示意图。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚，下面将结合附图对本发明实施方式作进一步地详细描述。
图1是本发明中一种可穿戴设备的结构示意图，该可穿戴设备内设有PCB板(Printed Circuit Board，印刷电路板)102，PCB板102上装配有天线101， 以及，用于延长天线101的参考地的延长部件104。
参见图1，延长部件104设置在PCB板102之外，通过金属连接件103将延长部件104和PCB板102相连接；
其中，金属连接件103的第一连接端与PCB板102相连接，金属连接件103的第二连接端与延长部件104相连接。
为了能够更好连接延长部件104以及PCB板102，防止在穿戴该可穿戴设备的过程中，导致金属连接件103的两个连接端脱落，或者导致延长部件104与PCB板之间接触不良的问题。在本发明的一种实施例中，金属连接件103具有弹性结构。这样设置的优点在于，由于延长部件104设置在PCB板102的外侧，因此存在延长部件104受外力影响导致折弯的情况，将金属连接件103设置为弹性结构，使得延长部件104在外力作用下，能够产生一定的形变，从而起到缓冲的作用，进而能够保证金属连接件103的两个连接端牢固的固定在延长部件104以及PCB板102上，防止其脱落导致接触不良的问题。
为了更好的保证延长部件能够延长天线的参考地，使得延长后的天线的参考地能够满足天线在参考地上的镜像更接近于四分之一的波长，从而能够大幅度提高天线的功率，进而提高整个可穿戴设备的总辐射功率TRP，以及总全向灵敏度TIS。在本发明的一种实施例中，PCB板102的上部边缘至延长部件104下部边缘的总长度与天线所发射波长的四分之一的差值小于预定阈值。
参见图1所示，由于天线101的镜像部分落在PCB板102上，从而使得天线101与其在地上的镜像一起形成偶极子天线的两个辐射臂，形成一个完整的偶极子天线。如果地上长度少于天线所发射波长的四分之一，则在地上无法形成另一个完整的辐射臂，导致偶极子天线无法达到最优的效果。其中，天线的长度a为天线所发射波长的四分之一。
图2是图1中所示可穿戴设备的等效天线示意图。参见图2所示，天线的长度a对应辐射臂1011，PCB板102的上部边缘至延长部件104下部边缘的总长度b对应辐射臂1021；PCB板102的上部边缘至延长部件104下部边缘的总长度b即为天线101在PCB板102上镜像的参考地的长度。
在本发明的具体实施方式中，设置的延长部件104的长度越长，其所能提高的天线的功率的效果也越好。但是受制于可穿戴设备内PCB板102的大小，以及所能设置延长部件104的位置有限，在具体实施时，只能尽量做到PCB板102的上部边缘至延长部件104下部边缘的总长度b尽可能接近天线所发射波长的四分之一。
在本发明的一种具体实施例中，PCB板102的上部边缘至延长部件104下部边缘的总长度大于40mm。
在本发明的一种具体实施例中，PCB板102的上部边缘至延长部件104下部边缘的总长度b与天线所发射波长的四分之一的差值小于预定阈值。其中，预定的阈值越小越好，即PCB板102的上部边缘至延长部件104下部边缘的总长度b越接近天线所发射波长的四分之一，所能达到的提高天线功率的效果也就越好。
图3是图1所示可穿戴设备未设置延长部件时的结构示意图，图4是图3所示可穿戴设备的等效天线示意图。参见图3、4，天线的长度为1/4的发送波长，对应辐射臂2011，PCB板202的长度对应辐射臂2021，PCB板202的长度即为天线201在PCB板202上镜像的参考地的长度。由于PCB板202的长度较小，即地上长度少于天线所发射波长的四分之一，导致天线201在地上无法形成另一个完整的辐射臂，导致偶极子天线无法达到最优的效果。因此，在本发明中，通过设置延长部件104，通过金属连接件103分别连接PCB板102和延长部件104，达到延长天线101的参考地，即使得天线101在PCB板102上的镜像更长，能够使天线101在地上形成另一个完整的辐射臂。
以2G 900MHz的天线频率为例，该天线的长度为83mm，其理想的参考地的长度为此频率的四分之一的波长，约为83mm；即PCB板102的上部边缘至延长部件104下部边缘的总长度不小于83mm。可见，在本申请中，通过设置延长部件104，使得PCB板102与延长部件104的总长度更加接近理想的参考地，使得天线101在参考地上的镜像辐射臂长接近或达到四分之一的波长，从而提高天线的天线接收灵敏度，即提高整个可穿戴设备的总辐射功率TRP，以及总 全向灵敏度TIS。
进一步的，为了能够更好地降低电阻抗，提高导电效果。在本发明的一种具体实施例中，第二连接端与延长地部件104的接触面积大于设定面积阈值。即金属连接件103的第二连接端与延长部件104紧密接触，并且接触面积大于设定的面积阈值，从而达到有效降低电阻抗的目的。
更近一步的，为了使得金属连接件103与延长部件104之间的接触面积尽可能的大，在本发明的其他实施例中，第二连接端由多个金属件构成，该多个金属件与延长部件104的总接触面积大于设定面积阈值。即在本实施例中，通过设置多个金属件以增大金属件与延长部件104之间的焊接接触面积，进而实现降低电阻抗，提高导电效果的目的。
在本发明的一种实施例中，延长部件104的形状为：U型、S型、L型、T型或者矩形。参见图1中所示，该延长部件104的形状为矩形。在本发明的其他实施例中，可以根据可穿戴设备的设计选择延长部件104的具体形状。
在本发明的上述具体实施例中，延长部件104为实心结构。
基于趋肤效应原理，高频电流随着频率的增加，电流趋近于导体的边缘、表面流动。图5是本发明中另一种可穿戴设备的结构示意图，参见图5，延长部件104还可以为中空结构，即延长部件104为中空的矩形结构。其中，阴影部分为对应的实体金属结构，中间白色部分为中空部分。
在本发明的具体实施例中，由于每种导体材质不同，对于同一频率的趋肤深度数值也是不同的。因此，在本发明的上述实施例中，中空结构的延长部件的边缘宽度不小于该延长部件的趋肤深度数值。以铜介质为例，即延长部件为铜片，常温下，铜介质在824MHz～960MHz的情况下，其趋肤深度数值d＝1000*66/((824+960)*106/2)1/2～2.2mm。因此，要求对应的中空结构的延长部件的边缘宽度不低于2.2mm。
在本发明的上述实施例中，延长部件104采用中空结构，不仅能够节省材质，以降低成本；并且延长部件104的中空结构还能够与可穿戴设备内部的紧 凑空间或具有特殊孔洞的空间相匹配，满足其紧凑空间或特殊孔洞空间的要求。
在本发明的一种实施例中，金属连接件103为弹性金属片。
在本发明的一种实施例中，金属连接件103也可以为弹簧针POGO PIN。
在本发明的一种实施例中，金属连接件103还可以为柔性电路板的一部分。
在本发明的上述实施例中的可穿戴设备，可穿戴设备为智能手表或智能手环。
本发明还公开了一种智能手表，图6是本发明一种实施例中智能手表的结构示意图，参见图6，包括表盘105和表带106；以及设置在表盘105内的印刷电路板(PCB，Printed Circuit Board，图中未示出)、装配在PCB板上的天线(图中未示出)；以及，用于延长天线的参考地的延长部件104；
其中，表带106为非金属材质，至少部分延长部件104由金属构成且该延长部件104设置在表带106的表面或内部，延长部件104通过预设的金属连接件103与PCB板相连接。
结合图1，为了能够更好连接延长部件104以及PCB板102，防止在穿戴该智能手表的过程中，导致金属连接件103的两个连接端脱落，或者导致延长部件104与PCB板之间的接触不良的问题。在本发明的一种实施例中，金属连接件103具有弹性结构。这样设置的优点在上文描述可穿戴设备时已详细说明，在此不再赘述。
在本发明的一种具体实施例中，该延长部件104为柔性电路板FPC(FPC，Flexible Printed Circuit board)。金属连接件103为设置在PCB板102上的金属弹片；柔性电路板上预设有馈点，PCB板102上的相应位置设置有金属弹片；金属弹片远离PCB板102的一端与柔性电路板上预设的馈点相连接。即在装配的过程中，在该FPC上预先设置一个或两个馈点位置，并且在对应的PCB板102上的相应位置处设置金属连接件103，再通过焊接的方式实现金属连接件103与FPC上预留的馈点连接，实现FPC与PCB板102的电连接。
在本发明的一种具体实施例中，该延长部件104还可以为金属片。金属连 接件为设置在PCB板102上的金属弹片；该金属片上预设有馈点，PCB板上的相应位置设置有金属弹片；金属弹片远离PCB板的一端与金属片上预设的馈点相连接。即在装配的过程中，在该金属片上预先设置一个或两个馈点位置，并且在对应的PCB板102上的相应位置设置金属连接件103，再通过焊接的方式实现金属连接件103与金属片上预留的馈点连接；实现金属片与PCB板102的电连接。在本发明的其他实施例中，还可以通过在金属连接件103上预设弹腿，通过该设置的弹腿与PCB板102相连接，进而实现金属片与PCB板的电连接。
在本发明的一种具体实施例中，该延长部件104还可以为激光直接成型LDS工艺制成的电镀件。具体为，通过LDS工艺将延长部件104通过激光镭雕在非金属材质的表带上，即在智能手表的表带的表面上镭雕形成的电镀件作为对应的延长部件104。在本发明的上述实施例中，在镭雕时预留一至两个馈点，并且在PCB板102上，根据预留的馈点的数量装配相应对应的金属连接件103，通过该装配的金属连接件103连接镭雕的电镀件和PCB板102。
在本发明的上述实施例中，为了保证通过LDS工艺制成的电镀件与非金属材质的表带能够保持外观的美观，较佳的，还可以通过喷涂的方式在对应的延长部件104上喷涂相应的涂层，使得在不影响该延长部件的正常功能的情况下，保持表带的外观一致性。
本发明还公开了一种智能手表，图7是本发明另一种实施例中智能手表的结构示意图，该智能手表与上述实施例中智能手表的区别在于表带为金属材质。参见图7，包括表盘305和表带306；以及，设置在表盘内的印刷电路板PCB板302、装配在PCB板302上的天线301；以及，用于延长天线的参考地的延长部件304。
其中，表带306为金属材质，由至少部分金属材质的表带306作为延长部件304，金属表带306通过预设的金属连接件303与PCB板302相连接。
类似地，为了能够更好连接延长部件304以及PCB板302，防止在穿戴该智能手表的过程中，导致金属连接件303的两个连接端脱落，或者导致延长部 件304与PCB板302之间的接触不良的问题，金属连接件303具有弹性结构。
为了更好的提高延长部件304的性能，减少增加的额外零件对智能手表整体外观的影响，在本实施例中，将金属材质的表带306作为延长部件304。其中，金属连接件303为金属弹片；金属表带306上设有金属弹腿3061，金属表带306通过金属弹腿3061与智能手表的金属表盘305相连接，金属表盘305通过金属弹片303与PCB板302相连接。
在上述任意一种智能手表的实施例中，即无论是金属材质的表带还是非金属材质的表带的智能手表，为了更好的保证延长部件能够延长天线的参考地，使得延长后的天线的参考地能够满足天线在参考地上的镜像更接近于四分之一的波长，从而能够大幅度提高天线的功率，进而提高整个智能手表的总辐射功率TRP，以及总全向灵敏度TIS。PCB板302的上部边缘至延长部件304下部边缘的总长度与天线所发射波长的四分之一的差值小于预定阈值。具体描述见上文可穿戴设备的相关描述，在此不再赘述。
在上述任意一种智能手表的实施例中，为了更好地降低电阻抗，提高导电效果，金属连接件303上与延长地部件304相连接的连接端，其与延长地部件304的接触面积大于设定面积阈值。即金属连接件303上连接延长地部件304的连接端与延长部件304紧密接触，并且接触面积大于设定的面积阈值，从而达到有效降低电阻抗的目的。
或者，金属连接件303上与延长地部件304相连接的连接端，由多个金属件构成，该多个金属件与延长部件的总接触面积大于设定面积阈值。具体描述见上文可穿戴设备的相关描述，在此不再赘述。
在上述任意一种智能手表的实施例中，延长部件304可根据智能手表的设计选择以下形状：U型、S型、L型、T型或者矩形。延长部件可以为实心结构，也可以为中空结构，其中，中空结构的延长部件的边缘宽度不小于该延长部件的趋肤深度数值，具体描述见上文可穿戴设备的相关描述，在此不再赘述。
在上述任意一种智能手表的实施例中，金属连接件为弹性金属片或弹簧针 POGO PIN。
综上，本发明提供的可穿戴设备和智能手表，通过在PCB板之外设置延长部件，并设置金属连接件连接PCB板和延长部件。能有效的延长天线的参考地，从而提高天线的效率，进而提高天线发射功率和天线接收灵敏度，即提高整个可穿戴设备的总辐射功率TRP，以及总全向灵敏度TIS。进一步的，在本发明中，通过弹性的金属片分别连接PCB板和延长部件，从而能够缓冲延长部件、PCB板及其与该可穿戴设备中的其他部件配合时产生的压力，提高该可穿戴设备的使用寿命；再进一步的，通过增大金属连接件与延长部件之间的焊接接触面积，能降低电阻抗，提高导电效果。再进一步的，延长部件采用中空结构，不仅能够节省材质，降低成本；，还能够与可穿戴设备内部有限的紧凑空间或特殊的具有孔洞的空间相匹配，以更大限度的利用空间。
以上仅为本发明的较佳实施例而已，并非用于限定本发明的保护范围。凡在本发明的精神和原则之内所作的任何修改、等同替换、改进等，均包含在本发明的保护范围内。

Claims (15)

  1. 一种可穿戴设备，所述可穿戴设备内设有印刷电路板PCB板，其中，所述PCB板上装配有天线，以及，用于延长所述天线的参考地的延长部件，
    所述延长部件设置在所述PCB板之外，通过金属连接件将延长部件和PCB板相连接；
    其中，所述金属连接件的第一连接端与所述PCB板相连接，所述金属连接件的第二连接端与所述延长部件相连接。
  2. 根据权利要求1所述的可穿戴设备，其中，所述金属连接件具有弹性结构。
  3. 根据权利要求1所述的可穿戴设备，其中，所述PCB板的上部边缘至所述延长部件下部边缘的总长度与天线所发射波长的四分之一的差值小于预定阈值。
  4. 根据权利要求1所述的可穿戴设备，其中，所述第二连接端与延长地部件的接触面积大于设定面积阈值；或，
    所述第二连接端由多个金属件构成，该多个金属件与延长部件的总接触面积大于设定面积阈值。
  5. 根据权利要求1所述的可穿戴设备，其中，所述延长部件的形状为：
    U型、S型、L型、T型或者矩形；
    其中，所述延长部件为实心结构；或者，所述延长部件为中空结构。
  6. 根据权利要求5所述的可穿戴设备，其中，所述中空结构的延长部件的边缘宽度不小于该延长部件的趋肤深度数值。
  7. 根据权利要求2所述的可穿戴设备，其中，所述金属连接件为弹性金属片；
    或者，所述金属连接件为弹簧针POGO PIN。
  8. 一种智能手表，包括表盘和表带，其中，还包括：设置在表盘内的印刷电路板PCB板、装配在所述PCB板上的天线；以及，用于延长所述天线的参考 地的延长部件；
    其中，所述表带为非金属材质，至少部分所述延长部件由金属构成且该延长部件设置在所述表带的表面或内部，所述延长部件通过预设的金属连接件与所述PCB板相连接。
  9. 根据权利要求8所述的智能手表，其中，
    所述金属连接件具有弹性结构；
    所述延长部件为柔性电路板FPC、金属片、或者激光直接成型LDS工艺制成的电镀件。
  10. 根据权利要求8所述的智能手表，其中，
    所述延长部件镭雕在所述表带的表面；
    和/或，所述延长部件的表面喷涂有涂层。
  11. 根据权利要求8所述的智能手表，其中，所述延长部件为设置在非金属表带内部的柔性电路板或金属片；
    所述金属连接件为设置在所述PCB上的金属弹片；
    所述柔性电路板或金属片上预设有馈点，所述PCB板上的相应位置设置所述金属弹片；所述金属弹片的远离所述PCB板的一端与所述柔性电路板或金属片上预设的馈点相连接。
  12. 一种智能手表，包括表盘和表带，其中，还包括：设置在表盘内的印刷电路板PCB板、装配在所述PCB板上的天线；以及，用于延长所述天线的参考地的延长部件；
    其中，所述表带为金属材质，由至少部分金属材质的表带作为所述延长部件，所述金属表带通过预设的金属连接件与所述PCB板相连接。
  13. 根据权利要求12所述的智能手表，其中，所述延长部件为金属表带；所述金属连接件为金属弹片；
    所述金属表带上设有金属弹腿，所述金属表带通过所述金属弹腿与所述智能手表的金属表盘相连接，所述金属表盘通过所述金属弹片与所述PCB板相连接。
  14. 根据权利要求12所述的智能手表，其中，所述PCB板的上部边缘至所述延长部件下部边缘的总长度与天线所发射波长的四分之一的差值小于预定阈值。
  15. 根据权利要求12所述的智能手表，其中，所述延长部件的形状为：U型、S型、L型、T型或者矩形。
    其中，所述延长部件为实心结构；或者，所述延长部件为中空结构。
PCT/CN2016/089376 2015-09-16 2016-07-08 一种可穿戴设备和智能手表 WO2017045466A1 (zh)

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