WO2023036073A1 - 一种可穿戴设备 - Google Patents

一种可穿戴设备 Download PDF

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Publication number
WO2023036073A1
WO2023036073A1 PCT/CN2022/117001 CN2022117001W WO2023036073A1 WO 2023036073 A1 WO2023036073 A1 WO 2023036073A1 CN 2022117001 W CN2022117001 W CN 2022117001W WO 2023036073 A1 WO2023036073 A1 WO 2023036073A1
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WIPO (PCT)
Prior art keywords
wearable device
charging pin
pin
measurement
smart
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PCT/CN2022/117001
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English (en)
French (fr)
Inventor
黄锐程
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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Publication of WO2023036073A1 publication Critical patent/WO2023036073A1/zh
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0537—Measuring body composition by impedance, e.g. tissue hydration or fat content
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/332—Portable devices specially adapted therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/369—Electroencephalography [EEG]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/369—Electroencephalography [EEG]
    • A61B5/386—Accessories or supplementary instruments therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/48—Other medical applications
    • A61B5/4869—Determining body composition
    • A61B5/4872—Body fat
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6802—Sensor mounted on worn items
    • A61B5/6803—Head-worn items, e.g. helmets, masks, headphones or goggles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6802—Sensor mounted on worn items
    • A61B5/681—Wristwatch-type devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/90—Regulation of charging or discharging current or voltage
    • H02J7/933—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters

Definitions

  • the present application belongs to the technical field of electronic equipment, and in particular relates to a wearable equipment.
  • the purpose of the embodiment of the present application is to provide a wearable device, which can solve the problem that in the prior art, due to the limited size of the device, the charging electrodes and the measuring electrodes are usually placed relatively close together, which causes the charging electrodes to interfere with the measurement of human body electrical signals The problem.
  • the embodiment of the present application provides a wearable device, the wearable device includes a charging circuit, a measuring circuit and a potential control module;
  • the charging circuit includes a positive charging pin and a negative charging pin, and the measuring circuit includes a plurality of measuring electrodes;
  • the positive charging pin, the negative charging pin, and at least one of the measuring electrodes are all arranged on the first surface of the wearable device. When the wearable device is worn, the first surface and the user's body surface contact;
  • the potential control module is connected to the positive charging pin and the negative charging pin, and the voltage between the positive charging pin and the negative charging pin of the potential control module is greater than a preset voltage threshold control the negative charging pin to be grounded under normal circumstances, and control the negative charging pin to be disconnected from ground when the voltage between the positive charging pin and the negative charging pin is less than a preset voltage threshold.
  • the potential control module includes a transistor, the first pole of the transistor is connected to the positive charging pin, the second pole of the transistor is connected to the negative charging pin, and the third pole of the transistor is connected to the negative charging pin. pole is grounded, and when the voltage between the first pole and the second pole is greater than a preset voltage threshold, the transistor is turned on, and the voltage between the first pole and the second pole is When the voltage is less than a preset voltage threshold, the transistor is turned off.
  • the charging circuit further includes a charging IC, the input terminals of the charging IC are respectively connected to the positive charging pin and the negative charging pin, and the output terminals of the charging IC are connected to the battery.
  • a display module is also included, the display module is connected to the measurement circuit, and the display module is used to display the measurement result according to the measurement signal of the measurement circuit, and the measurement result is an electrocardiogram, an electroencephalogram, a body Any one or more of the fat rate.
  • the measurement circuit is used to collect any one or more of ECG electrical signals of the human body, brain wave signals of the human body, and body fat percentage of the human body.
  • the wearable device is any one of smart watches, smart bracelets, smart glasses, and smart headphones.
  • the wearable device is a smart watch or a smart bracelet, at least two of the plurality of measurement electrodes are arranged on the first surface of the wearable device, and the plurality of measurement electrodes are located on the same circumference .
  • the measuring electrodes located on the first surface of the wearable device are fan-shaped.
  • one of the measuring electrodes is disposed on the second surface of the wearable device, and when the wearable device is worn, the second surface does not contact the user's body surface.
  • the wearable device is smart glasses
  • the smart glasses include two temples
  • the first surface is the inner surface of the temples
  • the plurality of measurement electrodes are arranged on the two mirrors. inner side of the leg.
  • the wearable device is a smart headset
  • the smart headset includes an arc-shaped headband
  • the first surface is the inner side of the arc-shaped headband
  • the plurality of measurement electrodes are set on the inner side of the curved headband.
  • FIG. 1 is one of the structural schematic diagrams of a wearable device provided by the embodiment of the present application.
  • FIG. 2 is a schematic diagram of the switching logic of the transistor provided by the embodiment of the present application.
  • Fig. 3 is the schematic diagram of the measuring electrode that the embodiment of the present application provides
  • Fig. 4 is the second structural schematic diagram of a wearable device provided by the embodiment of the present application.
  • FIG. 5 is a third structural schematic diagram of a wearable device provided by an embodiment of the present application.
  • FIG. 1 is one of the schematic structural diagrams of a wearable device provided by an embodiment of the present application.
  • the wearable device 10 in the embodiment of the present application includes a charging circuit 11, a measuring circuit 12, and a potential control module 13, wherein the charging circuit 11 includes a positive charging pin 111 and a negative charging pin 112, and the positive charging The pin 111 and the negative charging pin 112 are used to connect to an external power source, thereby charging the wearable device 10.
  • the negative charging pin 112 is connected to the system ground;
  • the measuring circuit 12 includes a plurality of measuring electrodes 121, The measurement circuit 12 can be used to measure the bioelectrical signal of the human body.
  • the positive charging pin 111, the negative charging pin 112 and at least one of the measuring electrodes 121 are all arranged on the first surface of the wearable device 10, and when the wearable device 10 is worn by the user, the first surface is in contact with the user's body surface, thereby ensuring that at least part of the plurality of measurement electrodes 121 is in contact with the human body. surface contact, to realize the measurement of human body bioelectrical signals; and the potential control module 13 is connected with the positive charging pin 111 and the negative charging pin 112, and the potential control module 13 can be connected between the positive charging pin 111 and the negative charging pin 112.
  • the negative charging pin 112 When the voltage between the negative charging pin 111 and the negative charging pin 112 is lower than the preset voltage threshold, the negative charging pin 112 is controlled to be grounded, and the negative charging pin 112 is controlled when the voltage between the positive charging pin 111 and the negative charging pin 112 is lower than the preset voltage threshold. disconnected from ground.
  • the voltage between the positive charging pin 111 and the negative charging pin 112 is greater than the preset voltage threshold, that is, when the charging circuit is in the charging state, by controlling the connection of the negative charging pin 112 to the system ground, the charging current It flows into the wearable device 10 from the positive charging pin 111, and flows out from the negative charging pin 112 back to the charger.
  • the charging current loop is closed, and the charging function is normally realized;
  • the voltage between pins 112 is less than the preset voltage threshold, that is, when the charging circuit is in a non-charging state, the negative charging pin 112 is controlled to be disconnected from the ground.
  • the short circuit will not cause the measurement electrode 121 to be connected to the system ground, thereby ensuring that the human body bioelectric signal measurement function is not disturbed.
  • the formation of the short circuit between the measuring electrode 121 and the negative charging pin 112 may be due to the presence of a conductive medium, such as water, sweat, etc., between the two.
  • the potential control module 13 includes a transistor, the first pole of the transistor is connected to the positive charging pin 111, and the second pole of the transistor is connected to the negative charging pin 112.
  • the third pole of the transistor is grounded, and when the voltage between the first pole and the second pole is greater than a preset voltage threshold, the transistor is turned on, and the first pole and the second pole When the voltage between is less than the preset voltage threshold, the transistor is turned off, thereby realizing the disconnection of the ground of the negative charge pin 112 from the ground.
  • the first pole is a gate
  • the second pole is a drain
  • the third pole is a source.
  • the charging circuit 11 also includes a charging integrated circuit (Integrated Circuit, IC), and the input terminals of the charging IC are respectively connected to the positive charging pin 111 and the negative charging pin 112, the The output end of the charging IC is connected to the battery 14, so that the battery 14 is charged by the charging IC.
  • IC Integrated Circuit
  • FIG. 2 is a schematic diagram of switching logic of a transistor provided in an embodiment of the present application. As shown in Figure 2, the specific working process of the transistor in the embodiment of the present application may include the following steps:
  • the transistor senses the voltage between the charging pins, that is, the voltage between the positive charging pin and the negative charging pin;
  • the wearable device enters the charging state.
  • the wearable device further includes a display module 15, the display module 15 is connected to the measurement circuit 12, and the display module 15 is used to display the measurement results according to the measurement signal collected by the measurement circuit 12,
  • the measurement result is any one or more of electrocardiogram, electroencephalogram, and body fat percentage. That is to say, the measurement circuit 12 collects the user's bioelectrical signal, and displays it on the display module 15 after analysis and processing, so that the user can directly view the measurement result on the wearable device.
  • the wearable device 10 may be any one of a smart watch, a smart bracelet, smart glasses, and a smart headset.
  • the measurement circuit 12 is used to collect any one or more of electrocardiogram (ECG) electrical signals of the human body, brain wave signals of the human body, and body fat percentage of the human body. That is to say, the measurement circuit 12 can collect the user's ECG electrical signal, brain wave signal, body fat rate signal, etc. through the measurement electrode 121 , thereby enriching the measurement function of the wearable device 10 .
  • ECG electrocardiogram
  • the wearable device is a smart watch or a smart bracelet
  • the measuring electrode 121 located on the first surface is fan-shaped, and the fan-shaped measuring electrode 121 can be enlarged to the surface of the human body. contact area to improve measurement accuracy.
  • at least two of the plurality of measurement electrodes 121 are arranged on the first surface of the wearable device 10, and the plurality of measurement electrodes on the first surface are located on the same circumference, thereby reducing the uneven feeling caused by the measurement electrodes 121 .
  • the number of measuring electrodes 121 is 3 or 5, and when the number of measuring electrodes 121 is 3, one measuring electrode 121 can be arranged on the second surface of the wearable device 10, The remaining two measurement electrodes 121 are arranged on the first surface, and can be located on the same circumference, wherein, the second surface can be the side of the wearable device 10, when the wearable device 10 is worn, the second The surface does not come into contact with the user's body surface.
  • a measurement electrode 121 can be made as a crown.
  • the number of measuring electrodes 121 is five, one measuring electrode 121 can be arranged on the second surface of the wearable device 10, while the remaining four measuring electrodes 121 are arranged on the first surface and can be located on the same circumference, At this time, the four measuring electrodes 121 located on the first surface form a quarter circle, wherein the second surface can be the side of the wearable device 10, and when the wearable device 10 is worn, the second surface is in contact with the user. The body surface does not touch.
  • FIG. 3 is a schematic diagram of the measuring electrodes provided in the embodiment of the present application.
  • a measurement electrode 121 can be made as a crown.
  • the number of measuring electrodes 121 is three, one measuring electrode 121 can be arranged on the second surface of the wearable device 10, while the remaining two measuring electrodes 121 are arranged on the first surface and can be located on the same circumference, At this time, the two measuring electrodes 121 on the first surface are in a semi-circular shape, wherein the second surface can be the side of the wearable device 10, and when the wearable device 10 is worn, the second surface is in contact with the user's Body surface does not touch.
  • FIG. 4 is a second schematic structural diagram of a wearable device provided by an embodiment of the present application.
  • the wearable device 10 is a smart glasses, and the smart glasses include two temples, wherein the measuring electrode 121, the positive charging pin 111, and the negative charging pin 112 are set On the temple of the smart glasses, specifically the inner surface of the temple, that is, the aforementioned first surface is the inner surface of the temple, part of the measuring electrodes 121 can be set on the same side as the positive charging pin 111 and the negative charging pin 112.
  • the rest of the measuring electrodes 121 can be arranged on the other temple; the wearable device 10 can realize the measurement of brain wave signals, and during the measurement, the measuring electrodes 121 are in contact with the surface of the human body.
  • the wearable device 10 can realize the measurement of brain wave signals, and during the measurement, the measuring electrodes 121 are in contact with the surface of the human body.
  • FIG. 5 is a third structural schematic diagram of a wearable device provided by an embodiment of the present application.
  • the wearable device 10 is a smart headset, wherein the measuring electrode 121, the positive charging pin 111, and the negative charging pin 112 are arranged on the smart headset.
  • the smart headset On the arc-shaped headband, specifically the inner side of the headband, that is, the aforementioned first surface is the inner side of the temples.
  • the smart headset also includes earpieces arranged at both ends of the arc-shaped headband. Part of the measuring electrodes 121 is set close to one of the earpieces, while the remaining part is set close to the other earpiece.
  • the number of measuring electrodes 121 is four, then two measuring electrodes 121 can be set near one of the curved headbands. The position of the earpiece, and the other two measuring electrodes 121 can be set on the position of the arc-shaped headband close to the other earpiece.
  • the wearable device 10 can realize the measurement of the brain wave signal, and during the measurement, the measurement electrode 121 is in contact with the surface of the human body.
  • the term “comprising”, “comprising” or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase “comprising a " does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element.
  • the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved. Functions are performed, for example, the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

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Abstract

一种可穿戴设备（10），属于电子设备技术领域。可穿戴设备（10）包括充电电路（11）、测量电路（12）和电位控制模块（13）；充电电路（11）包括正极充电引脚（111）和负极充电引脚（112），测量电路（12）包括多个测量电极（121）；正极充电引脚（111）、负极充电引脚（112）以及至少一个测量电极（121）均设置于可穿戴设备（10）的第一表面，可穿戴设备（10）被穿戴时，第一表面与用户的体表接触；电位控制模块（13）在正极充电引脚（111）和负极充电引脚（112）之间的电压大于预设电压阈值时使负极充电引脚（112）接地，并在正极充电引脚（111）和负极充电引脚（112）之间的电压小于预设电压阈值时使负极充电引脚（112）与地断开。

Description

一种可穿戴设备
相关申请的交叉引用
本申请主张在2021年09月10日在中国提交的中国专利申请No.202111062131.9的优先权，其全部内容通过引用包含于此。
技术领域
本申请属于电子设备技术领域，具体涉及一种可穿戴设备。
背景技术
随着技术的发展，目前市面上的一些智能设备已具备人体生物电信号测量功能，无论是测量心电图、体脂或者是脑电波等，都需要以测量电极为载体与人体皮肤接触从而获取人体生物电信号。通常，为了方便使用，这类智能设备都要求可充电，也即该类智能设备需要同时满足充电和人体电信号测量的需求，而受限于智能设备的体积，充电电极和测量电极之间通常放置得比较靠近，这种场景下会存在充电电极干扰人体电信号测量的情况。
发明内容
本申请实施例的目的是提供一种可穿戴设备，能够解决现有技术中由于受限于设备体积而将充电电极和测量电极之间通常放置得比较靠近，从而导致充电电极干扰人体电信号测量的问题。
第一方面，本申请实施例提供了一种可穿戴设备，该可穿戴设备包括充电电路、测量电路和电位控制模块；
所述充电电路包括正极充电引脚和负极充电引脚，所述测量电路包括多个测量电极；
所述正极充电引脚、所述负极充电引脚以及至少一个所述测量电极均设置于所述可穿戴设备的第一表面，所述可穿戴设备被穿戴时，所述第一表面与用户的体表接触；
所述电位控制模块与所述正极充电引脚以及所述负极充电引脚连接，所述电位控制模块在所述正极充电引脚和所述负极充电引脚之间的电压大于预设电压阈值的情况下控制所述负极充电引脚接地，并在所述正极充电引脚和所述负极充电引脚之间的电压小于预设电压阈值的情况下控制所述负极充电引脚与地断开。
可选的，所述电位控制模块包括晶体管，所述晶体管的第一极与所述正极充电引脚连接，所述晶体管的第二极与所述负极充电引脚连接，所述晶体管的第三极接地，在所述第一极和所述第二极之间的电压大于预设电压阈值的情况下，所述晶体管导通，在所述第一极和所述第二极之间的电压小于预设电压阈值的情况下，所述晶体管断开。
可选的，所述充电电路还包括充电IC，所述充电IC的输入端分别与所述正极充电引脚和负极充电引脚连接，所述充电IC的输出端与电池连接。
可选的，还包括显示模块，所述显示模块与所述测量电路连接，所述显示模块用于根据所述测量电路的测量信号显示测量结果，所述测量结果为心电图、脑电波图、体脂率中的任一者或多者。
可选的，所述测量电路用于采集人体的ECG电信号、人体的脑电波信号、人体的体脂率中的任一者或多者。
可选的，所述可穿戴设备为智能手表、智能手环、智能眼镜、智能头戴耳机中的任一者。
可选的，所述可穿戴设备为智能手表或智能手环，所述多个测量电极中的至少两个设置于所述可穿戴设备的第一表面，所述多个测量电极位于同一圆周上。
可选的，位于所述可穿戴设备的第一表面上的测量电极呈扇环形。
可选的，一个所述测量电极设置于所述可穿戴设备的第二表面，所述可穿戴设备被穿戴时，所述第二表面与用户的体表不接触。
可选的，所述可穿戴设备为智能眼镜，所述智能眼镜包括两个镜腿，所述第一表面为所述镜腿的内侧面，所述多个测量电极设置于所述两个镜腿的 内侧面。
可选的，所述可穿戴设备为智能头戴耳机，所述智能头戴耳机包括弧形头带，所述第一表面为所述弧形头带的内侧面，所述多个测量电极设置于所述弧形头带的内侧面。
在本申请实施例中，通过在非充电时段将负极充电引脚与地断开，使得测量电路的测量电极即使与负极充电引脚接通，依旧可以确保人体生物电信号的正常测量。
附图说明
图1为本申请实施例提供的一种可穿戴设备的结构示意图之一；
图2为本申请实施例提供的晶体管的开关逻辑示意图；
图3为本申请实施例提供的测量电极的示意图；
图4为本申请实施例提供的一种可穿戴设备的结构示意图之二；
图5为本申请实施例提供的一种可穿戴设备的结构示意图之三。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员获得的所有其他实施例，都属于本申请保护的范围。
本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象，而不用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施，且“第一”、“第二”等所区分的对象通常为一类，并不限定对象的个数，例如第一对象可以是一个，也可以是多个。此外，说明书以及权利要求中“和/或”表示所连接对象的至少其中之一，字符“/”，一般表示前后关联对象是一种“或”的关系。
下面结合附图，通过具体的实施例及其应用场景对本申请实施例提供的可穿戴设备进行详细地说明。
请参考图1，图1为本申请实施例提供的一种可穿戴设备的结构示意图之一。如图1所示，本申请实施例中的可穿戴设备10包括充电电路11、测量电路12以及电位控制模块13，其中，充电电路11包括正极充电引脚111和负极充电引脚112，正极充电引脚111和负极充电引脚112用于与外部电源连接，从而为可穿戴设备10进行充电，在充电过程中，负极充电引脚112与系统地连接；测量电路12包括多个测量电极121，测量电路12可以用于测量人体生物电信号，在进行测量时，多个测量电极121中的至少部分与人体表面接触；正极充电引脚111、负极充电引脚112以及至少一个所述测量电极121均设置于所述可穿戴设备10的第一表面，并且，可穿戴设备10被用户穿戴时，所述第一表面与用户的体表接触，从而确保多个测量电极121中的至少部分与人体表面接触，以实现人体生物电信号的测量；而电位控制模块13则与正极充电引脚111以及负极充电引脚112连接，电位控制模块13可在正极充电引脚111和负极充电引脚112之间的电压大于预设电压阈值的情况下控制负极充电引脚112接地，并在正极充电引脚111和负极充电引脚112之间的电压小于预设电压阈值的情况下控制负极充电引脚112与地断开。由此，在正极充电引脚111和负极充电引脚112之间的电压大于预设电压阈值的情况下，即充电电路处于充电状态时，通过控制负极充电引脚112与系统地连接，充电电流从正极充电引脚111流入可穿戴设备10，并从负极充电引脚112流出回到充电器，此时，充电电流环路封闭，充电功能正常实现；而在正极充电引脚111和负极充电引脚112之间的电压小于预设电压阈值的情况下，即充电电路处于非充电状态时，通过控制负极充电引脚112与地断开，此时即使测量电极121与负极充电引脚112之间短接也不会导致测量电极121与系统地接通，从而保证了人体生物电信号测量功能不受干扰。其中，测量电极121与负极充电引脚112之间短接的形成可能是两者之间存在导通介质，例如水、汗液等。
在本申请实施例中，通过在非充电时段将负极充电引脚与地断开，使得测量电路的测量电极即使与负极充电引脚接通，依旧可以确保人体生物电信号的正常测量。
在本申请的一些实施例中，可选的，电位控制模块13包括晶体管，所述晶体管的第一极与正极充电引脚111连接，晶体管的第二极与负极充电引脚112连接，所述晶体管的第三极接地，在所述第一极和所述第二极之间的电压大于预设电压阈值的情况下，所述晶体管导通，在所述第一极和所述第二极之间的电压小于预设电压阈值的情况下，所述晶体管断开，由此，实现负极充电引脚112的接地与与地断开。其中，可选的，所述第一极为栅极，所述第二极为漏极，所述第三极为源极。
本申请的另一些实施例中，所述充电电路11还包括充电集成电路(Integrated Circuit，IC)，所述充电IC的输入端分别与正极充电引脚111和负极充电引脚112连接，所述充电IC的输出端与电池14连接，从而通过充电IC为电池14充电。
请参考图2，图2为本申请实施例提供的晶体管的开关逻辑示意图。如图2所示，本申请实施例中的晶体管的具体工作流程可以包括以下步骤：
1)晶体管感应充电引脚间的电压，即正极充电引脚和负极充电引脚之间的电压；
2)判断感应的电压是否达到晶体管的导通阈值；
3)在判断结果为是的情况下，晶体管被导通，负极充电引脚与地短接，跳至步骤4)，在判断结果为否的情况下，晶体管关断，负极充电引脚与地断开；
4)可穿戴设备进入充电状态。
可选的，本申请的一些实施例中，所述可穿戴设备还包括显示模块15，显示模块15与测量电路12连接，显示模块15用于根据测量电路12采集到的测量信号显示测量结果，可选的，所述测量结果为心电图、脑电波图、体脂率中的任一者或多者。也就是说，测量电路12采集用户的生物电信号，经 分析处理后，在显示模块15进行显示，从而方便用户直接在可穿戴设备上查看测量结果。
本申请实施例中，可穿戴设备10可以为智能手表、智能手环、智能眼镜、智能头戴耳机中的任一者。测量电路12用于采集人体的心电图(electrocardiogram，ECG)电信号、人体的脑电波信号、人体的体脂率中的任一者或多者。也就是说，测量电路12通过测量电极121可以实现对用户的ECG电信号、脑电波信号、体脂率信号等的采集，从而丰富了可穿戴设备10的测量功能。
如图1所示，本申请的一些实施例中，可穿戴设备为智能手表或者智能手环，位于第一表面上的测量电极121呈扇环形，扇环形的测量电极121可以增大与人体表面的接触面积，提高测量准确度。可选的，多个测量电极121中的至少两个设置于可穿戴设备10的第一表面，位于第一表面上的多个测量电极位于同一圆周上，从而减少测量电极121造成的凹凸不平感。
在本申请的另一些实施例中，测量电极121的数量为3个或5个，在测量电极121的数量为3个时，可以将一个测量电极121设置于可穿戴设备10的第二表面，而剩余的两个测量电极121则设置在第一表面，并可以位于同一圆周上，其中，所述第二表面可以是可穿戴设备10的侧面，可穿戴设备10被穿戴时，所述第二表面与用户的体表不接触。
如图1所示，在可穿戴设备10为智能手表时，一个测量电极121可以做成表冠。在测量电极121的数量为5个时，可以将一个测量电极121设置于可穿戴设备10的第二表面，而剩余的四个测量电极121则设置在第一表面，并可以位于同一圆周上，此时，位于第一表面的四个测量电极121呈四分一圆环形，其中，所述第二表面可以是可穿戴设备10的侧面，可穿戴设备10被穿戴时，所述第二表面与用户的体表不接触。
请参考图3，图3为本申请实施例提供的测量电极的示意图。如图3所示，在可穿戴设备10为智能手表时，一个测量电极121可以做成表冠。在测量电极121的数量为3个时，可以将一个测量电极121设置于可穿戴设备10 的第二表面，而剩余的两个测量电极121则设置在第一表面，并可以位于同一圆周上，此时，位于第一表面上的两个测量电极121呈半圆环形，其中，所述第二表面可以是可穿戴设备10的侧面，可穿戴设备10被穿戴时，所述第二表面与用户的体表不接触。
请参考图4，图4为本申请实施例提供的一种可穿戴设备的结构示意图之二。如图4所示，本申请的另一些实施例中，可穿戴设备10为一智能眼镜，智能眼镜包括两个镜腿，其中，测量电极121、正极充电引脚111、负极充电引脚112设置于智能眼镜的镜腿上，具体为镜腿的内侧面，即前述的第一表面即为镜腿的内侧面，部分测量电极121可以与正极充电引脚111以及负极充电引脚112设置在同一镜腿上，而剩余部分测量电极121可以设置在另一镜腿上；该可穿戴设备10可以实现脑电波信号的测量，在测量时，测量电极121与人体表面相接触。本申请实施例中，其他部分结构请参照上述实施例，在此不再赘述。
请参考图5，图5为本申请实施例提供的一种可穿戴设备的结构示意图之三。如图5所示，本申请的再一些实施例中，可穿戴设备10为一智能头戴耳机，其中，测量电极121、正极充电引脚111、负极充电引脚112设置于智能头带耳机的弧形头带上，具体为头带的内侧面，即前述的第一表面即为镜腿的内侧面，可选的，智能头戴耳机还包括设置在弧形头带两端的听筒，多个测量电极121中的部分靠近其中一个听筒设置，而剩余部分则靠近另一个听筒设置，例如，测量电极121的数量为4个，则可以两个测量电极121设置在弧形头带的靠近其中一个听筒的位置上，而另外两个测量电极121则可以设置弧形头带的靠近另一个听筒的位置上。该可穿戴设备10可以实现脑电波信号的测量，在测量时，测量电极121与人体表面相接触。本申请实施例中，其他部分结构请参照上述实施例，在此不再赘述。
总之，在本申请实施例中，通过在非充电时段将负极充电引脚与地断开，使得测量电路的测量电极即使与负极充电引脚接通，依旧可以确保人体生物电信号的正常测量。
需要说明的是，在本文中，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、物品或者装置不仅包括那些要素，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、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。此外，需要指出的是，本申请实施方式中的方法和装置的范围不限按示出或讨论的顺序来执行功能，还可包括根据所涉及的功能按基本同时的方式或按相反的顺序来执行功能，例如，可以按不同于所描述的次序来执行所描述的方法，并且还可以添加、省去、或组合各种步骤。另外，参照某些示例所描述的特征可在其他示例中被组合。
上面结合附图对本申请的实施例进行了描述，但是本申请并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本申请的启示下，在不脱离本申请宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本申请的保护之内。

Claims (11)

  1. 一种可穿戴设备，包括充电电路、测量电路和电位控制模块；
    所述充电电路包括正极充电引脚和负极充电引脚，所述测量电路包括多个测量电极；
    所述正极充电引脚、所述负极充电引脚以及至少一个所述测量电极均设置于所述可穿戴设备的第一表面，所述可穿戴设备被穿戴时，所述第一表面与用户的体表接触；
    所述电位控制模块与所述正极充电引脚以及所述负极充电引脚连接，所述电位控制模块在所述正极充电引脚和所述负极充电引脚之间的电压大于预设电压阈值的情况下控制所述负极充电引脚接地，并在所述正极充电引脚和所述负极充电引脚之间的电压小于预设电压阈值的情况下控制所述负极充电引脚与地断开。
  2. 根据权利要求1所述的可穿戴设备，其中，所述电位控制模块包括晶体管，所述晶体管的第一极与所述正极充电引脚连接，所述晶体管的第二极与所述负极充电引脚连接，所述晶体管的第三极接地，在所述第一极和所述第二极之间的电压大于预设电压阈值的情况下，所述晶体管导通，在所述第一极和所述第二极之间的电压小于预设电压阈值的情况下，所述晶体管断开。
  3. 根据权利要求1所述的可穿戴设备，其中，所述充电电路还包括充电IC，所述充电IC的输入端分别与所述正极充电引脚和负极充电引脚连接，所述充电IC的输出端与电池连接。
  4. 根据权利要求1所述的可穿戴设备，还包括显示模块，所述显示模块与所述测量电路连接，所述显示模块用于根据所述测量电路的测量信号显示测量结果，所述测量结果为心电图、脑电波图、体脂率中的任一者或多者。
  5. 根据权利要求1所述的可穿戴设备，其中，所述测量电路用于采集人体的ECG电信号、人体的脑电波信号、人体的体脂率中的任一者或多者。
  6. 根据权利要求1所述的可穿戴设备，其中，所述可穿戴设备为智能手表、智能手环、智能眼镜、智能头戴耳机中的任一者。
  7. 根据权利要求6所述的可穿戴设备，其中，所述可穿戴设备为智能手表或智能手环，所述多个测量电极中的至少两个设置于所述可穿戴设备的第一表面，所述多个测量电极位于同一圆周上。
  8. 根据权利要求7所述的可穿戴设备，其中，位于所述可穿戴设备的第一表面上的测量电极呈扇环形。
  9. 根据权利要求7所述的可穿戴设备，其中，一个所述测量电极设置于所述可穿戴设备的第二表面，所述可穿戴设备被穿戴时，所述第二表面与用户的体表不接触。
  10. 根据权利要求6所述的可穿戴设备，其中，所述可穿戴设备为智能眼镜，所述智能眼镜包括两个镜腿，所述第一表面为所述镜腿的内侧面，所述多个测量电极设置于所述两个镜腿的内侧面。
  11. 根据权利要求6所述的可穿戴设备，其中，所述可穿戴设备为智能头戴耳机，所述智能头戴耳机包括弧形头带，所述第一表面为所述弧形头带的内侧面，所述多个测量电极设置于所述弧形头带的内侧面。
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