WO2018129847A1 - 可穿戴设备 - Google Patents

可穿戴设备 Download PDF

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Publication number
WO2018129847A1
WO2018129847A1 PCT/CN2017/085438 CN2017085438W WO2018129847A1 WO 2018129847 A1 WO2018129847 A1 WO 2018129847A1 CN 2017085438 W CN2017085438 W CN 2017085438W WO 2018129847 A1 WO2018129847 A1 WO 2018129847A1
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WO
WIPO (PCT)
Prior art keywords
electrode
circuit board
wearable device
wearing position
hole
Prior art date
Application number
PCT/CN2017/085438
Other languages
English (en)
French (fr)
Inventor
杨荣广
孙士友
赵梦龙
张斌
刘光胜
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 CA3059811A priority Critical patent/CA3059811C/en
Priority to US16/493,680 priority patent/US11493889B2/en
Priority to EP20193784.4A priority patent/EP3841962A1/en
Priority to SG11201909531V priority patent/SG11201909531VA/en
Priority to EP17891761.3A priority patent/EP3556282B1/en
Priority to CN201780022927.7A priority patent/CN109069045B/zh
Priority to EP23166684.3A priority patent/EP4257034A1/en
Publication of WO2018129847A1 publication Critical patent/WO2018129847A1/zh
Priority to US17/943,690 priority patent/US20230070192A1/en

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    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
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    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25—Bioelectric electrodes therefor
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G21/00—Input or output devices integrated in time-pieces
    • G04G21/02—Detectors of external physical values, e.g. temperature
    • G04G21/025—Detectors of external physical values, e.g. temperature for measuring physiological data
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    • A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
    • A61B5/02055—Simultaneously evaluating both cardiovascular condition and temperature
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    • A61B5/024—Detecting, measuring or recording pulse rate or heart rate
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    • A61B5/7475—User input or interface means, e.g. keyboard, pointing device, joystick
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/0064—Visual time or date indication means in which functions not related to time can be displayed
    • G04G9/007—Visual time or date indication means in which functions not related to time can be displayed combined with a calculator or computing means
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0277—Bendability or stretchability details
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/11—Printed elements for providing electric connections to or between printed circuits
    • H05K1/115—Via connections; Lands around holes or via connections
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/18—Printed circuits structurally associated with non-printed electric components
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/14—Mounting supporting structure in casing or on frame or rack
    • H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
    • H05K7/1427—Housings
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    • A61B2560/04—Constructional details of apparatus
    • A61B2560/0462—Apparatus with built-in sensors
    • A61B2560/0468—Built-in electrodes
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    • A61B2562/04—Arrangements of multiple sensors of the same type
    • A61B2562/043—Arrangements of multiple sensors of the same type in a linear array
    • A—HUMAN NECESSITIES
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    • A61B2562/063—Arrangements of multiple sensors of different types in a linear array
    • A—HUMAN NECESSITIES
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    • A61B2562/066—Arrangements of multiple sensors of different types in a matrix array
    • A—HUMAN NECESSITIES
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    • A61B2562/16—Details of sensor housings or probes; Details of structural supports for sensors
    • A61B2562/166—Details of sensor housings or probes; Details of structural supports for sensors the sensor is mounted on a specially adapted printed circuit board
    • A—HUMAN NECESSITIES
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    • A61B2562/22—Arrangements of medical sensors with cables or leads; Connectors or couplings specifically adapted for medical sensors
    • A61B2562/221—Arrangements of sensors with cables or leads, e.g. cable harnesses
    • A61B2562/222—Electrical cables or leads therefor, e.g. coaxial cables or ribbon cables
    • A—HUMAN NECESSITIES
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    • A61B2562/225—Connectors or couplings
    • A61B2562/227—Sensors with electrical connectors
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    • A61B5/024—Detecting, measuring or recording pulse rate or heart rate
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    • A61B5/339—Displays specially adapted therefor
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
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    • H05K2201/10007—Types of components
    • H05K2201/10151—Sensor
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
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    • H05K2201/10409—Screws

Definitions

  • the present application relates to the field of electronic device technologies, and in particular, to a wearable device.
  • ECG electrocardiogram
  • the technical problem to be solved by the embodiments of the present application is to provide a wearable device capable of measuring ECG data in time.
  • the embodiment of the present application provides a wearable device, which can be used to detect ECG data of a user.
  • the wearable device may be a smart watch, a smart bracelet, or the like.
  • the wearable device includes a body and an accessory.
  • the main body includes an electrocardiographic collecting circuit and an inner electrode and an outer electrode electrically connected to the electrocardiographic collecting circuit, wherein the inner electrode is used for collecting a potential signal of a first wearing position, and the outer electrode is used for collecting a non-wearing position a potential signal, the non-wearing position being different from the first wearing position.
  • the accessory includes a detection electrode that is moveable relative to the body.
  • the detecting electrode is configured to electrically connect the ECG acquisition circuit and collect a potential signal of a second wearing position, the second wearing position being different from the first wearing position.
  • the ECG acquisition circuit is configured to use a potential difference between the potential signal of the first wearing position and a potential signal of the non-wearing position or a potential signal of the first wearing position and the second wearing position The potential difference between the potential signals obtains the user's ECG data.
  • the wearable device has two states of use: state one, when the wearable device does not use the accessory, the inner electrode is worn at the first wearing position, and the outer electrode contacts the non-wearing position,
  • the ECG acquisition circuit is configured to obtain the ECG data of the user according to a potential difference between the potential signal of the first wearing position and the potential signal of the non-wearing position.
  • the second state when the wearable device uses the accessory, the inner electrode is worn in the first wearing position, the detecting electrode is worn in the second wearing position, and the electrocardiographic collecting circuit is used to The potential difference between the potential signal of the first wearing position and the potential signal of the second wearing position obtains the user's electrocardiographic data.
  • the body also includes a processing chip and a display screen.
  • the processing chip is electrically connected to the ECG acquisition circuit for optimizing processing of the ECG data.
  • the display screen is electrically connected to the processing chip for displaying the optimized ECG data. The user can know his or her own ECG data by viewing the display pattern of the display screen (for example, an electrocardiogram waveform).
  • the wearable device since the wearable device is small in size and convenient to carry, the user can wear the wearable device at any time, and through the cooperation of the inner electrode and the outer electrode or the inner electrode and the Detecting the cooperation of the electrodes, Timely measurement of your own real-time ECG data to detect your health in a timely manner.
  • the inner electrode and the outer electrode are fixed to the main body, and the inner electrode and the outer electrode serve as fixed electrodes of the wearable device.
  • the inner electrode continuously contacts the first wearing position, and the user only needs to touch the outer electrode according to the requirement, so that the electrocardiogram data can be measured, and the measuring action is active and convenient.
  • the emergency detection function of the fixed electrode in the emergency environment is particularly obvious.
  • the detecting electrode is movable relative to the body, and the detecting electrode serves as a fitting electrode of the wearable device.
  • the accessory may be fixed to the second wearing position, so that the detecting electrode continuously contacts the second wearing position, thereby
  • the wearable device is enabled to continuously measure the user's ECG data, thereby continuously tracking changes in the user's physiological index, and better feedbacking the user's physical condition.
  • the accessory electrode allows the user to use it in more situations (such as exercise, sleep) to record the continuous physiological index.
  • the wearable device of the embodiment can implement emergency detection of ECG data and continuous detection of ECG data.
  • the body includes a dial and a strap connecting the dial.
  • the dial includes a housing and a circuit board located inside the housing, and the circuit board is configured to carry the ECG acquisition circuit.
  • the housing includes a bottom wall and a side wall surrounding the periphery of the bottom wall, the bottom wall contacting for contacting the first wearing position.
  • the inner electrode is fixed to the bottom wall to collect a potential signal of the first wearing position.
  • the outer electrode is fixed to an end of the side wall away from the bottom wall, so that the non-wearing position of the user can conveniently contact the outer electrode.
  • the inner electrode is made of stainless steel with good corrosion resistance.
  • the outer electrode is made of stainless steel with good corrosion resistance.
  • the housing is made of a plastic material or a metal material. The housing is insulated from the inner electrode and the outer electrode.
  • the bottom wall is provided with a first through hole.
  • the dial also includes a fixed circuit board electrically connected to the circuit board.
  • the fixed circuit board is provided with a second through hole and a pad located around the second through hole, and the pad is electrically connected to the electrocardiographic collecting circuit through the fixed circuit board and the circuit board.
  • the inner electrode comprises an electrode sheet and a connecting base connecting the electrode sheets.
  • the connecting seat is provided with a connecting hole, and the hole wall of the connecting hole is provided with an internal thread.
  • the dial also includes a screw having an external thread that mates with the internal thread.
  • the connecting seat extends into the first through hole, the screw passes through the second through hole and is connected to the connecting seat (the internal thread is screwed to the external thread), and the screw locks the a connector and the fixed circuit board for contacting the connector to the pad.
  • the electrode sheet is electrically connected to the electrocardiographic acquisition circuit through the connection base and the pad.
  • the connecting seat and the electrode sheet may be integrally formed, thereby simplifying the forming process of the inner electrode.
  • the pad includes a first sub-pad and a second sub-pad disposed opposite to each other, and the first sub-pad is disposed on a side of the fixed circuit board facing the connector and contacting the a connector, the second sub-pad is disposed on a side of the fixed circuit board away from the connector and contacts the screw.
  • the screw is made of a conductive material for electrically connecting the connector to the second sub-pad by the screw.
  • the electrode sheet may be electrically connected to the electrocardiographic collecting circuit through the connecting base and the first sub-pad, and may also pass through the connecting base, the screw and the second sub-welding
  • a disk is electrically coupled to the ECG acquisition circuit such that the ECG acquisition circuit is capable of obtaining a more accurate potential signal of the first wearing position.
  • the dial further includes a wave elastic piece, the screw passes through the wave elastic piece, and the wave shape spring piece is pressed between the pad and the connecting seat.
  • the wave-shaped elastic piece has a certain pre-compression, and the wave-shaped elastic piece is located between the fixed circuit board and the connecting seat, and the screw locks the connecting seat through the wave-shaped elastic piece to make one of the wave-shaped elastic pieces a surface is attached to the connecting seat, and another surface of the wave-shaped elastic piece is attached to the pad (the second sub-pad) on the fixed circuit board, thereby ensuring the electrode piece and the
  • the circuit of the fixed circuit board is reliably turned on, so that the electrocardiographic acquisition circuit can reliably collect the potential signal through the internal electrode.
  • the wave shrapnel has a anti-loosening function and can prevent the inner electrode from loosening.
  • the wave spring can be soldered to the pad.
  • the dial further includes a sealing ring that is pressed between the outer wall of the connecting seat and the hole wall of the first through hole. Since the sealing ring is in a compressed state, the sealing ring can seal a gap between an outer wall of the connecting seat and a hole wall of the first through hole, thereby preventing water vapor, dust, and the like from passing through the first through hole. It enters the inside of the casing and functions as a waterproof and dustproof.
  • the outer wall of the connecting seat is provided with a first limiting step
  • the hole wall of the first through hole is provided with a second limiting step
  • the first limiting step is opposite to the second limiting step.
  • the sealing ring is disposed between the first limiting step and the second limiting step, wherein the first limiting step and the second limiting step are used to limit the position of the sealing ring to prevent The seal ring is disengaged from the first through hole to prevent the seal ring from entering the interior of the housing or from the housing.
  • the bottom wall includes a central area and a peripheral area surrounding the periphery of the central area.
  • the central area is convex with respect to the peripheral area, and the inner electrode is disposed in the central area, so that the inner electrode can better contact the first wearing position, and the detection signal of the inner electrode is improved. quality.
  • the number of the internal electrodes may be at least two, and at least two of the internal electrodes are spaced apart for further improving the quality of the detection signal of the internal electrodes.
  • the outer electrode includes a touch portion and a fixing portion connecting the touch portion.
  • the touch portion is configured to be touched by the non-wearing position to collect a potential signal of the non-wearing position.
  • the end portion is provided with a groove into which the fixing portion is snapped to fix the outer electrode to the housing. At this time, the touch portion abuts the end surface of the side wall away from the bottom wall.
  • the fixing portion and the groove wall of the groove may be adhered by a dispensing process or a sticker or the like, thereby increasing between the outer electrode and the housing.
  • the connection is firm.
  • the mating structure between the fixing portion and the groove also increases the joint area between the outer electrode and the casing, so that the connection between the two is more reliable, thereby satisfying the overall strength and 50M waterproofing needs.
  • the dial also includes a first electrode dome and a flexible circuit board located inside the housing.
  • One end of the first electrode elastic piece protrudes into the groove to connect the fixing portion, the other end of the first electrode elastic piece is connected to one end of the flexible circuit board, and the other end of the flexible circuit board is electrically connected to The ECG acquisition circuit.
  • the outer electrode is electrically connected to the electrocardiographic acquisition circuit through the first electrode sheet and the flexible circuit board.
  • One end of the first electrode elastic piece extending into the groove is pressed between the fixing portion and the groove wall of the groove, so that the first electrode elastic piece stably contacts the fixing portion and the contact area is relatively Large, the electrical connection relationship between the first electrode sheet and the outer electrode is reliable.
  • the region where the first electrode elastic piece and the flexible circuit board are connected to each other may be fixed to the side wall by a fixing member, thereby preventing the first electrode elastic piece and the flexible circuit board from moving or disengaging from each other, and ensuring the first An electrode dome is reliably connected to the flexible circuit board.
  • the dial further includes a second electrode elastic piece and a connection circuit board, and the second electrode elastic A sheet is located inside the housing, and the connecting circuit board is located inside the housing and electrically connected to the circuit board.
  • the inner electrode is located outside the bottom wall, and the bottom wall is provided with a third through hole facing the inner electrode, and the second electrode elastic piece passes through the third through hole and is pressed in the Between the inner electrode and the connecting circuit board.
  • the inner electrode is electrically connected to the circuit board through the second electrode dome and the connection circuit board in order to be electrically connected to the electrocardiographic acquisition circuit.
  • the bottom wall includes a central area and a peripheral area surrounding the periphery of the central area.
  • the inner electrode is disposed in the peripheral region.
  • the inner electrode may be a complete ring shape or a plurality of arc segments arranged at intervals.
  • the bottom wall is provided with a concave mounting groove, and the inner electrode is embedded in the mounting groove.
  • a sealing ring may be disposed between the outer side surface of the inner electrode and the groove wall of the mounting groove for preventing moisture and dust from entering the inside of the housing through the third through hole.
  • the outer electrode includes a touch portion and a fixing portion connecting the touch portion.
  • the touch portion is configured to be touched by the non-wearing position to collect a potential signal of the non-wearing position.
  • the fixing portion projects into the interior of the housing to connect the ends.
  • the dial further includes a third electrode elastic piece, and the third electrode elastic piece is fixed to the connecting circuit board and elastically connects the fixing portion.
  • the outer electrode is electrically connected to the circuit board through the third electrode dome and the connection circuit board in order to be electrically connected to the electrocardiographic acquisition circuit.
  • the central zone is provided with a detection window and a light transmissive lens covering the detection window.
  • the dial further includes a photoplethysmograph (PPG) disposed inside the housing, and the optical volume scanner is configured to detect a user's heart rate through the detection window. Since the detection window is disposed on the bottom wall of the housing, the detection window continuously faces the first wearing position, and the wearable device can continuously detect the user's heart rate.
  • PPG photoplethysmograph
  • the dial further includes a sensor chip electrically connected to the optical volume scanner and the processing chip for transmitting user heart rate data detected by the optical volume scanner to the processing chip.
  • the processing chip calculates and corrects the time difference between the two according to the ECG data and the heart rate data, thereby obtaining a user blood pressure value. Since the wearable device can continuously detect the electrocardiogram data and the heart rate data, continuous blood pressure fluctuation detection can be performed, and abnormal blood pressure problems (such as diseases such as hypertension common in the human population) can be detected in time, and the blood vessel health status can be detected (for example). Vascular elasticity, degree of hardening of the arteries, clogging of blood vessels, etc.).
  • the watch band includes oppositely disposed inner and outer sides for contacting the first wearing position.
  • the inner electrode is disposed on the inner side
  • the outer electrode is disposed on the outer side.
  • the strap is provided with a second flexible circuit board, and the inner electrode and the outer electrode are electrically connected to the circuit board through the second flexible circuit board to be electrically connected to the electrocardiographic acquisition circuit.
  • the inner electrode and the outer electrode are fixed to the watchband, which can simplify the internal structure of the dial, thereby reducing the volume of the dial, and facilitating miniaturization of the wearable device.
  • the accessory of the wearable device includes a strap, a connector, and a cable connected between the strap and the connector.
  • the detecting electrode is disposed inside the fixing strap, and the fixing strap is configured to fix the detecting electrode to the second wearing position.
  • One end of the cable is electrically connected to the detecting electrode, and the other end of the cable is electrically connected to the connecting head.
  • the connector is detachably coupled to the body.
  • the connector is detachably connected to the main body
  • the accessory and the main body are also detachably connected, and the accessory can connect the main body when continuous detection is required. No need to connect The subject is detached from the subject to reduce the weight of the wearable device, thereby enhancing the flexibility of use of the wearable device.
  • the wearable device further includes a temperature detecting electrode fixed to the fixing strap, and the temperature detecting electrode is electrically connected to the connecting head through the cable.
  • the temperature detecting electrode is configured to detect a user's body temperature, so that the wearable device can simultaneously detect the user's body temperature.
  • the temperature detecting electrode is electrically connected to the processing chip, and the processing chip is capable of displaying a user's body temperature on the display screen.
  • the connector is a plug.
  • the main body is provided with a socket electrically connected to the electrocardiographic collecting circuit, and the plug is detachably connected to the socket.
  • the plug and the socket are connected by a plug-in structure.
  • the socket is provided with a jack, and the hole wall of the jack is provided with a spring piece, and the spring piece is used for clamping a plug inserted into the jack, so that the plug can be stably plugged into the socket.
  • the shrapnel can also function as an electrical connection.
  • the plug is a USB (Universal Serial Bus) plug or a headphone plug.
  • the socket is a USB socket or a headphone jack that mates with the plug.
  • the connector is a magnetic tip, and the magnetic tip is detachably adsorbed to the outer electrode.
  • the outer electrode is made of a metal material, and the magnetic tip is provided with a magnet so that the magnetic tip can be adsorbed on the outer electrode.
  • the positioning of the magnetic tip and the outer electrode can be achieved by a ⁇ connection (referring to a connection in which the concavo-convex portions are combined on the two members).
  • FIG. 1 is a first use state diagram of a smart watch according to an embodiment of the present application.
  • Figure 2 is a second view of the use state of the smart watch shown in Figure 1;
  • Figure 3 is a plan view of an embodiment of the smart watch of Figure 1;
  • Figure 4 is a bottom view of the smart watch shown in Figure 3;
  • Figure 5 is a plan view showing an embodiment of the dial of the smart watch shown in Figure 3;
  • Figure 6 is a cross-sectional view of the dial of Figure 5 taken along line B-B;
  • Figure 7 is a schematic block diagram showing a part of the structural connection relationship of the smart watch shown in Figure 1;
  • Figure 8 is an enlarged schematic view showing the structure of D in Figure 6;
  • Figure 9 is an exploded view of a portion of the structure of Figure 8.
  • Figure 10 is a cross-sectional view of the dial of Figure 5 taken along line C-C;
  • Figure 11 is an enlarged schematic view showing the structure of E in Figure 10;
  • Figure 12 is a front elevational view of another embodiment of the dial of the smart watch of Figure 3;
  • Figure 13 is a bottom plan view of the dial of Figure 12;
  • Figure 14 is a cross-sectional view of the dial of Figure 13 taken along line F-F;
  • Figure 15 is a cross-sectional view of the dial of Figure 13 taken along line G-G;
  • Figure 16 is an exploded view showing a part of the structure of the dial shown in Figure 13;
  • FIG. 17 is a schematic structural view of still another embodiment of the dial of the smart watch shown in FIG. 3;
  • Figure 18 is a plan view showing another embodiment of the smart watch shown in Figure 1;
  • Figure 19 is a perspective view of the smart watch shown in Figure 18;
  • Figure 20 is a cross-sectional view of the smart watch of Figure 18 taken along the line H-H;
  • Figure 21 is an enlarged schematic view showing the structure of I in Figure 20;
  • Figure 22 is a cross-sectional view showing the structure of the smart watch of Figure 3 taken along line A-A.
  • the present application discloses a wearable device that can be used to detect ECG data of a user.
  • the wearable device may be a smart watch, a smart bracelet, or the like.
  • the present application is described by taking the smart watch 100 as an example.
  • the smart watch 100 includes a main body 1 and an accessory 2.
  • the main body 1 includes an electrocardiographic collecting circuit 11 and an inner electrode 12 and an outer electrode 13 electrically connected to the electrocardiographic collecting circuit 11, and the inner electrode 12 is configured to collect a potential signal of the first wearing position 200.
  • the electrode 13 is used to acquire a potential signal of the non-wearing position 300 that is different from the first wearing position 200.
  • the fitting 2 includes a detecting electrode 21 that is movable relative to the main body 1.
  • the detecting electrode 21 is configured to electrically connect the ECG acquisition circuit 11 and collect a potential signal of the second wearing position 400, and the second wearing position 400 is different from the first wearing position 200.
  • the ECG acquisition circuit 11 is configured to use a potential difference between the potential signal of the first wearing position 200 and a potential signal of the non-wearing position 300 or a potential signal of the first wearing position 200 and the first The potential difference between the potential signals of the second wearing position 400 obtains the user's ECG data.
  • the smart watch 100 has two usage states:
  • the ECG acquisition circuit 11 is configured to obtain the ECG data of the user according to the potential difference between the potential signal of the first wearing position 200 and the potential signal of the non-wearing position 300.
  • the user wears the main body 1 on the wearing side wrist
  • the first wearing position 200 may be a user wearing a side wrist
  • the inner electrode 12 collects a potential signal at the user wearing the side wrist.
  • the user's non-wearing side finger contacts the outer electrode 13, and the non-wearing position 300 may be a user non-wearing side finger, and the outer electrode 13 collects a potential signal at the user's non-wearing side finger.
  • the ECG acquisition circuit 11 obtains the ECG data of the user according to the potential difference between the potential signal collected by the internal electrode 12 and the potential signal collected by the external electrode 13.
  • the ECG acquisition circuit 11 is configured to obtain the ECG data of the user according to the potential difference between the potential signal of the first wearing position 200 and the potential signal of the second wearing position 400.
  • the user wears the main body 1 on the wearing side wrist
  • the first wearing position 200 is a user wearing a side wrist
  • the inner electrode 12 collects a potential signal at the user wearing the side wrist.
  • the detecting electrode 21 is fixed on the user wearing side arm
  • the second wearing position 400 is a user wearing a side arm
  • the detecting electrode 21 collects a potential signal of the user wearing the side arm.
  • the ECG acquisition circuit 11 obtains the ECG data of the user according to the potential difference between the potential signal collected by the internal electrode 12 and the potential signal collected by the detection electrode 21.
  • the first wearing position 200 may generally be a wrist on which the user wears the main body 1.
  • the non-wearing position 300 may be a hand (eg, a finger, a palm), a chest that the user does not wear the main body 1 (the user may lift The side wrist is worn so that the outer electrode 13 touches the user's chest), the leg, and the like.
  • the second wearing position 400 may be an arm of a user wearing the hand of the main body 1 to facilitate daily activities of the user.
  • the second wearing position 400 may also be other positions different from the first wearing position 200, such as a chest, a leg, and the like.
  • the main body 1 further includes a processing chip 14 and a display screen 15.
  • the processing chip 14 is electrically connected to the ECG acquisition circuit 11 for optimizing the processing of the ECG data, and the processing chip 14 can be configured with a software filtering algorithm, a display optimization algorithm, and the like.
  • the display screen 15 is electrically connected to the processing chip 14 for displaying the optimized ECG data. The user can know his or her own electrocardiographic data by viewing the display pattern of the display screen 15, such as an electrocardiogram waveform.
  • the ECG acquisition circuit 11 can be carried by a chip carrier or a circuit board.
  • the display screen 15 can be a touch display screen.
  • the smart watch 100 since the smart watch 100 is small in size and convenient to carry, the user can wear the smart watch 100 at any time, and through the cooperation of the inner electrode 12 and the outer electrode 13 or the inner electrode 12 The cooperation with the detecting electrode 21 measures the real-time ECG data in time to detect the health of the body in time.
  • the inner electrode 12 and the outer electrode 13 are fixed to the main body 1, and the inner electrode 12 and the outer electrode 13 serve as fixed electrodes of the smart watch 100.
  • the inner electrode 12 continuously contacts the first wearing position 200, and the user only needs to touch the outer electrode 13 according to the requirement, so that the electrocardiogram data can be measured.
  • the measurement action is active, convenient and efficient.
  • the emergency detection function of the fixed electrode in the emergency environment is particularly obvious.
  • the detecting electrode 21 is movable relative to the main body 1, and the detecting electrode 21 serves as a fitting electrode of the smart watch 100.
  • the accessory 2 can be fixed to the second wearing position 400, so that the detecting electrode 21 continuously contacts the second wearing position 400 enables the smart watch 100 to continuously measure the user's ECG data, thereby continuously tracking changes in the user's physiological index, and better feedbacking the user's physical condition.
  • the accessory electrode allows the user to use it in more situations (such as exercise, sleep) to record the continuous physiological index.
  • the smart watch 100 of the embodiment can realize emergency detection of ECG data and continuous detection of ECG data.
  • the main body 1 comprises a dial 16 and a strap 17 connecting the dials 16.
  • the dial 16 includes a housing 161 and a circuit board 162 located inside the housing 161.
  • the circuit board 162 is configured to carry the ECG acquisition circuit 11.
  • the processing chip 14 and a chip for carrying the ECG acquisition circuit 11 are disposed on the circuit board 162.
  • the electrocardiographic acquisition circuit 11 is formed directly on the circuit board 162.
  • the display screen 15 is fixed to the housing 161.
  • the housing 161 is integrally formed with the strap 17 to simplify the machining process.
  • the housing 161 and the strap 17 may also be fixed by a lug or a screw.
  • the housing 161 includes a bottom wall 1611 and a side wall 1612 surrounding the periphery of the bottom wall 1611.
  • the bottom wall 1611 is in contact for Contacting the first wearing position 200.
  • the display screen 15 may be disposed opposite to the bottom wall 1611, and the side wall 1612 is connected between the display screen 15 and the bottom wall 1611.
  • the inner electrode 12 is fixed to the bottom wall 1611 to collect a potential signal of the first wearing position 200.
  • the outer electrode 13 is fixed to the end portion 1613 of the side wall 1612 away from the bottom wall 1611 so that the non-wearing position 300 of the user can conveniently contact the outer electrode 13.
  • the inner electrode 12 is made of stainless steel with good corrosion resistance.
  • the outer electrode 13 is made of stainless steel having good corrosion resistance.
  • the housing 161 is made of a plastic material or a metal material.
  • the casing 161 is insulated from the inner electrode 12 and the outer electrode 13.
  • the inner electrode 12 and the outer electrode 13 may also be made of other metal materials having corrosion resistance.
  • the bottom wall 1611 is provided with a first through hole 1614.
  • the table The disk 16 also includes a fixed circuit board 163 that is electrically coupled to the circuit board 162.
  • the fixed circuit board 163 is provided with a second through hole 1631 and a pad 1632 located around the second through hole 1631.
  • the pad 1632 is electrically connected to the circuit board 163 through the fixed circuit board 163 and the circuit board 162.
  • the ECG acquisition circuit 11 is described.
  • the fixed circuit board 163 may be connected to the circuit board 162 through a flexible circuit board, and between the fixed circuit board 163 and the flexible circuit board, between the flexible circuit board and the circuit board 162, ZIF (Zero Insertion Force) , zero insertion force) connector or BTB (Board to board) connector.
  • ZIF Zero Insertion Force
  • BTB Board to board
  • the inner electrode 12 includes an electrode sheet 121 and a connecting base 122 connecting the electrode sheets 121.
  • the connecting seat 122 is provided with a connecting hole 123, and the hole wall of the connecting hole 123 is internally threaded.
  • the dial 16 also includes a screw 164 that is provided with an external thread that mates with the internal thread.
  • the connecting seat 122 extends into the first through hole 1614, and the screw 164 passes through the second through hole 1631 and is connected to the connecting seat 122 (the internal thread is screwed to the external thread), A screw 164 locks the connector 122 and the fixed circuit board 163 for contacting the connector 122 to the pad 1632.
  • the electrode sheet 121 is electrically connected to the electrocardiographic collecting circuit 11 through the connecting seat 122 and the pad 1632.
  • the connecting seat 122 and the electrode sheet 121 may be integrally formed, thereby simplifying the forming process of the inner electrode 12.
  • the pad 1632 includes a first sub-pad 1633 and a second sub-pad 1634 disposed opposite to each other, and the first sub-pad 1633 is disposed on the fixed circuit board 163 facing the connector 122
  • the second sub-pad 1634 is disposed on a side of the fixed circuit board 163 away from the connecting base 122 and contacts the screw 164.
  • the screw 164 is made of a conductive material for electrically connecting the connector 122 to the second sub-pad 1634 via the screw 164.
  • the electrode sheet 121 may be electrically connected to the electrocardiographic collecting circuit 11 through the connecting base 122 and the first sub-pad 1633, and may also pass through the connecting base 122, the screw 164 and The second sub-pad 1634 is electrically connected to the electrocardiographic acquisition circuit 11 such that the electrocardiographic acquisition circuit 11 can obtain a more accurate potential signal of the first wearing position 200.
  • the pad 163 of the fixed circuit board 163 may only be provided with the first sub-pad 1633.
  • the dial 16 further includes a wave elastic piece 165 that passes through the wave elastic piece 165 , and the wave shape elastic piece 165 is pressed between the pad 1632 and the connecting seat 122 .
  • the waveform elastic piece 165 has a certain preload, and the wave elastic piece 165 is located between the fixed circuit board 163 and the connecting base 122, and the screw 164 is locked by the wave elastic piece 165.
  • the connecting seat 122 is configured such that one surface of the wave elastic piece 165 is attached to the connecting seat 122, and the other surface of the wave elastic piece 165 and the pad 1632 on the fixed circuit board 163 (the second The sub-pad 1634) is bonded to ensure that the electrode sheet 121 and the circuit of the fixed circuit board 163 are reliably turned on, so that the electrocardiographic acquisition circuit 11 can reliably collect a potential signal through the internal electrode 12.
  • the wave elastic piece 165 has a locking function to prevent the inner electrode 12 from being loosened.
  • the wave tab 165 can be soldered to the pad 1632.
  • the dial 16 further includes a sealing ring 166 that is pressed between the outer wall of the connecting seat 122 and the hole wall of the first through hole 1614. Since the sealing ring 166 is in a compressed state, the sealing ring 166 can seal a gap between the outer wall of the connecting seat 122 and the hole wall of the first through hole 1614, thereby preventing water vapor, dust, etc. from passing through the The first through hole 1614 enters the inside of the housing 161 to provide waterproof and dustproof functions.
  • the outer wall of the connecting seat 122 is provided with a first limiting step 1221, and the hole wall of the first through hole 1614 is provided with a second limiting step 1615, the first limiting step 1221 and the second limiting position.
  • the steps 1615 are oppositely disposed.
  • the sealing ring 166 is disposed between the first limiting step 1221 and the second limiting step 1615, the first limiting step 1221 and the second
  • the limiting step 1615 is for limiting the position of the sealing ring 166 , preventing the sealing ring 166 from coming off the first through hole 1614 , and preventing the sealing ring 166 from entering the inside of the housing 161 or from the housing 161 . .
  • the bottom wall 1611 is further provided with a mounting groove 1616 that communicates with the first through hole 1614 , and the mounting groove 1616 is disposed away from the inside of the housing 161 .
  • the connecting seat 122 extends into the first through hole 1614
  • the electrode piece 121 is received in the mounting groove 1616.
  • the area of the mounting groove 1616 is larger than the area of the first through hole 1614 in a direction perpendicular to the axis of the first through hole 1614, and the area of the electrode piece 121 is larger than the area of the connecting seat 122.
  • the bottom wall of the groove of the mounting groove 1616 is used for limiting the electrode piece 121 to position the mounting position of the inner electrode 12 to prevent the inner electrode 12 from completely entering the inside of the housing 161.
  • the bottom wall 1611 includes a central region 1617 and a peripheral region 1618 surrounding the perimeter of the central region 1617.
  • the central region 1617 protrudes relative to the peripheral region 1618, and the inner electrode 12 is disposed in the central region 1617 such that the inner electrode 12 can better contact the first wearing position 200, thereby improving the The detected signal quality of the internal electrode 12 is described.
  • the number of the inner electrodes 12 may be at least two, and at least two of the inner electrodes 12 are spaced apart for further improving the quality of the detection signal of the inner electrode 12.
  • the outer electrode 13 includes a touch portion 131 and a fixing portion 132 connecting the touch portion 131.
  • the touch portion 131 is configured to be touched by the non-wearing position 300 to collect a potential signal of the non-wearing position 300.
  • the end portion 1613 of the side wall 1612 is provided with a recess 1619 into which the fixing portion 132 is snapped to fix the outer electrode 13 to the housing 161. At this time, the touch portion 131 abuts the end surface of the side wall 1612 away from the bottom wall 1611.
  • the fixing portion 132 and the groove wall of the recess 1619 can be bonded by a dispensing process or a sticker or the like, thereby increasing the outer electrode 13 and the The connection between the housings 161 is firm.
  • the mating structure between the fixing portion 132 and the groove 1619 also increases the bonding area between the outer electrode 13 and the housing 161, so that the connection between the two is more reliable, thereby Meet the overall strength and 50M waterproofing needs.
  • the dial 16 further includes a first electrode dome 167 and a flexible circuit board 168 located inside the housing 161.
  • One end of the first electrode elastic piece 167 extends into the groove 1619 to connect the fixing portion 132, and the other end of the first electrode elastic piece 167 is connected to one end of the flexible circuit board 168.
  • the flexible circuit board 168 The other end is electrically connected to the electrocardiographic acquisition circuit 11.
  • the outer electrode 13 is electrically connected to the electrocardiographic acquisition circuit 11 through the first electrode sheet 121 and the flexible circuit board 168.
  • One end of the first electrode elastic piece 167 extending into the groove 1619 is pressed between the fixing portion 132 and the groove wall of the groove 1619, so that the first electrode elastic piece 167 is stably contacted with the fixing.
  • the portion 132 has a large contact area, and the electrical connection relationship between the first electrode sheet 121 and the outer electrode 13 is reliable.
  • a region where the first electrode elastic piece 167 and the flexible circuit board 168 are connected to each other may be fixed to the side wall 1612 by a fixing member 1671, thereby preventing the first electrode elastic piece 167 and the flexible circuit board 168 from moving to each other or The detachment ensures that the first electrode dome 167 is reliably connected to the flexible circuit board 168.
  • the flexible circuit board 168 can be used to connect the fixed circuit board 163 and the circuit board 162 at the same time.
  • the dial 16 further includes a second electrode elastic piece 169 and a connection circuit board 163 ′, and the second electrode elastic piece 169 is located.
  • the connection circuit board 163' is located inside the housing 161 and electrically connected to the circuit board 162.
  • the inner electrode 12 is located outside the bottom wall 1611, the bottom wall 1611 is provided with a third through hole 1614' facing the inner electrode 12, and the second electrode elastic piece 169 passes through the third through hole. 1614' is pressed between the inner electrode 12 and the connection circuit board 163'.
  • the inner electrode 12 is electrically connected to the circuit board 162 through the second electrode dome 169 and the connection circuit board 163' in order to be electrically connected to the electrocardiographic acquisition circuit 11.
  • connection circuit board 163' may be a rigid circuit board or a flexible circuit board.
  • the connecting circuit board 163' is a rigid circuit board, it is electrically connected to the circuit board 162 through a flexible circuit board, and the flexible circuit board and the circuit board 162 can be connected through a ZIF connector or a BTB connector.
  • the connecting circuit board 163' is a flexible circuit board, it can be directly connected to the circuit board 162, and the connecting circuit board 163' and the circuit board 162 can be connected through a ZIF connector or a BTB connector.
  • the bottom wall 1611 includes a central region 1617 and a peripheral region 1618 surrounding the perimeter of the central region 1617.
  • the inner electrode 12 is disposed in the peripheral region 1618.
  • the inner electrode 12 may be a complete ring shape (as shown in FIG. 13) or a plurality of arc segments (shown in FIG. 17) spaced apart.
  • the plurality of arc segments may be symmetrically disposed and slightly higher than a region of the peripheral region 1618 where the arc segment is not disposed to increase the inner electrode 12 Contacting the reliability of the first wearing position 200.
  • the bottom wall 1611 is provided with a recessed mounting groove, and the inner electrode 12 is embedded in the mounting groove.
  • a seal ring may be disposed between the outer side surface of the inner electrode 12 and the groove wall of the mounting groove for preventing moisture and dust from entering the inside of the housing 161 through the third through hole 1614'.
  • the outer electrode 13 includes a touch portion 131 and a fixing portion 132 connecting the touch portion 131.
  • the touch portion 131 is configured to be touched by the non-wearing position 300 to collect a potential signal of the non-wearing position 300.
  • the fixing portion 132 protrudes into the inside of the housing 161 to connect the end portion 1613. At this time, the joint of the fixing portion 132 and the end portion 1613 can be bonded by a dispensing process or a sticker.
  • the dial 16 further includes a third electrode elastic piece 167' fixed to the connecting circuit board 163' and elastically coupled to the fixing portion 132.
  • the outer electrode 13 is electrically connected to the circuit board 162 through the third electrode dome 167' and the connection circuit board 163' in order to be electrically connected to the electrocardiographic acquisition circuit 11.
  • the central area 1617 is provided with a detection window 181 and a light-transmitting lens 182 covering the detection window 181.
  • the detection window 181 may be disposed between at least two of the inner electrodes 12 such that the structure provided in the central region 1617 is more compact.
  • the dial 16 further includes a photoplethysmograph (PPG) 18 disposed inside the housing 161, and the optical volume scanner 18 is configured to detect a user's heart rate through the detection window 181. Since the detection window 181 is disposed on the bottom wall 1611 of the housing 161, the detection window 181 is continuously facing the first wearing position 200, and the smart watch 100 can continuously detect the user's heart rate.
  • PPG photoplethysmograph
  • the dial 16 further includes a sensor chip 182 electrically connected to the optical volume scanner 18 and the processing chip 14 for transmitting user heart rate data detected by the optical volume scanner 18 to the Processing chip 14.
  • the processing chip 14 calculates and corrects the time difference between the two according to the ECG data and the heart rate data, thereby obtaining a user blood pressure value. Since the smart watch 100 can continuously detect the electrocardiogram data and the heart rate data, continuous blood pressure fluctuation detection can be performed, and abnormal blood pressure problems (such as diseases such as hypertension common in the crowd) can be detected in time, and the blood vessel health status can be detected (eg, Vascular elasticity, degree of hardening of the arteries, clogging of blood vessels, etc.).
  • the watch band 17 includes an opposite inner side 171 and an outer side 172 for contacting the first wearing position 200.
  • the inner electrode 12 is disposed on the inner side 171, and the outer electrode 13 is disposed on the outer side 172.
  • the strap 17 is provided with a second flexible circuit board 173, and the inner electrode 12 and the outer electrode 13 are electrically connected to the circuit board 162 through the second flexible circuit board 173, thereby being electrically connected to the ECG acquisition circuit 11.
  • the inner electrode 12 and the outer electrode 13 are fixed to the watch band 17, which simplifies the table.
  • the second flexible circuit board 173 is disposed inside the watch band 17.
  • the inner electrode 12 and the outer electrode 13 may be pre-welded on the second flexible circuit board 173, and then the second is performed by insert molding or hot pressing silicone process.
  • the flexible circuit board 173 is embedded inside the watch band 17 to achieve reliable fixing and waterproofing requirements.
  • the outer electrode 13 and the inner electrode 12 may be respectively fixed on opposite sides of the second flexible circuit board 173 to simplify the manufacturing process of the smart watch 100.
  • the second flexible circuit board 173 can also be attached to the inner side 171 of the watch band 17.
  • the second flexible circuit board 173 and the circuit board 162 are connected by a ZIF connector or a BTB connector.
  • the accessory 2 of the smart watch 100 includes a fixing strap 22, a connector (25/26), and a connection therebetween.
  • a cable 23 between the strap 22 and the connector (25/26) is described.
  • the detecting electrode 21 is disposed inside the fixing belt 22 for fixing the detecting electrode 21 to the second wearing position 400.
  • One end of the cable 23 is electrically connected to the detecting electrode 21, and the other end of the cable 23 is electrically connected to a connecting terminal (for example, a gold finger) of the connecting head (25/26).
  • the connector (25/26) is detachably coupled to the body 1.
  • the connector (25/26) is detachably connected to the main body 1, the accessory 2 and the main body 1 are also detachably connected, and the accessory 2 can be needed.
  • the main body 1 is connected when continuous detection is performed, and the main body 1 is detached when the connection detection is not required to lighten the weight of the smart watch 100, thereby enhancing the flexibility of use of the smart watch 100.
  • the smart watch 100 further includes a temperature detecting electrode 24 fixed to the fixing strap 22, and the temperature detecting electrode 24 is electrically connected to the connecting head (25/26) through the cable 23.
  • the temperature detecting electrode 24 is configured to detect a user's body temperature, so that the smart watch 100 can simultaneously detect the user's body temperature.
  • the temperature detecting electrode 24 is electrically connected to the processing chip 14, and the processing chip 14 can display the user's body temperature on the display screen 15.
  • the connector is a plug 25.
  • the main body 1 is provided with a socket 19 electrically connected to the electrocardiographic collecting circuit 11, and the plug 25 is detachably connected to the socket 19.
  • the plug 25 and the socket 19 are connected by a plug-in structure.
  • the socket 19 is provided with a socket 191, and a hole 192 is disposed on the hole wall of the socket 191, and the elastic piece 192 is used for clamping the plug 25 inserted into the socket 191, so that the plug 25 can stably plug the socket 19.
  • the elastic piece 192 can also function as an electrical connection.
  • the plug 25 is a USB (Universal Serial Bus) plug or a headphone plug.
  • the socket 19 is a USB socket or a headphone jack that mates with the plug 25.
  • the connector is a magnetic tip 26, and the magnetic tip 26 is detachably adsorbed to the outer electrode 13.
  • the outer electrode 13 is made of a metal material, and the magnetic tip 26 is provided with a magnet so that the magnetic tip 26 can be adsorbed on the outer electrode 13.
  • the positioning of the magnetic tip 26 and the outer electrode 13 can be achieved by a ⁇ connection (referring to a connection in which the concavo-convex portions are combined on the two members).
  • the cable 23 of the accessory 2 may be a wire, a braided sleeve containing conductive fibers, a non-woven fabric containing conductive fibers, or a flexible film with printed wiring, etc., in any form, similar
  • the connection method is this application protected range.
  • the connector may be a patch electrode.
  • the detecting electrode 21 may be a patch electrode.
  • the cable 23 is a braided sleeve containing conductive fibers, and the detecting electrode 21 is a patch electrode fixed at one end of the braided sleeve, and the connector is fixed at the other end of the braided sleeve. SMD electrodes.
  • the braided sleeve is worn on the user wearing side arm, the detecting electrode 21 is attached to the second wearing position 400, and the connecting head is attached to the main body 1 to be electrically connected to the electrocardiographic collecting circuit. 11 , such that the ECG acquisition circuit 11 can acquire the potential signal of the second wearing position 400 through the detecting electrode 21 .
  • the fitting 2 may not be provided with the connector, and the cable 23 is connected to the body 1.
  • the accessory 2 can be housed inside the housing 161.
  • the fixing strap 22 is taken out again, and the cable 23 is elongated, so that the detecting electrode 21 may be fixed to the second wearing position 400.
  • the accessory 2 may not be provided with the cable 23, and the detecting electrode 21 and the main body 1 are connected by wireless technology.

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Abstract

一种可穿戴设备（100），包括主体（1）和检测电极（21），主体（1）包括心电采集电路（11）及电连接于心电采集电路（11）的内电极（12）和外电极（13），内电极（12）用于采集第一佩戴位置（200）的电位信号，外电极（13）用于采集非佩戴位置（300）的电位信号，检测电极（21）能够相对主体（1）移动，检测电极（21）用于电连接心电采集电路（11）并采集第二佩戴位置（400）的电位信号，非佩戴位置（300）与第二佩戴位置（400）均不同于第一佩戴位置（200）。上述可穿戴设备（100）能够及时测量心电数据。

Description

可穿戴设备
本申请要求于2017年1月13日递交的发明名称为“一种心电图检测装置”、申请号为201710025534.3的中国专利申请的优先权，其全部内容以引入的方式并入本申请中。
技术领域
本申请涉及电子设备技术领域，尤其涉及一种可穿戴设备。
背景技术
对于一些有心电异常等心脏疾病的人群，及时检测心电数据才能做到及时发现异常，尽早预防可能的病变或者旧病复发。传统的心电图(Electrocardiogram，ECG)测量仪多是利用导线连接电极夹、电极吸球、电极贴片或手持的一体机。传统的心电图测量仪体积大，不便携带，主要用于医院等场景内使用，达不到及时测量的目的。
发明内容
本申请实施例所要解决的技术问题在于提供一种能够及时测量心电数据的可穿戴设备。
为了实现上述目的，本申请实施方式采用如下技术方案：
本申请实施例提供一种可穿戴设备，所述可穿戴设备可用于检测用户的心电数据。所述可穿戴设备可以是智能手表、智能手环等。所述可穿戴设备包括主体和配件。所述主体包括心电采集电路及电连接于所述心电采集电路的内电极和外电极，所述内电极用于采集第一佩戴位置的电位信号，所述外电极用于采集非佩戴位置的电位信号，所述非佩戴位置不同于所述第一佩戴位置。所述配件包括检测电极，所述检测电极能够相对所述主体移动。所述检测电极用于电连接所述心电采集电路并采集第二佩戴位置的电位信号，所述第二佩戴位置不同于所述第一佩戴位置。所述心电采集电路用于依据所述第一佩戴位置的电位信号与所述非佩戴位置的电位信号之间的电位差或者所述第一佩戴位置的电位信号与所述第二佩戴位置的电位信号之间的电位差获得用户的心电数据。
所述可穿戴设备有两种使用状态：状态一，所述可穿戴设备不使用所述配件时，所述内电极佩戴在所述第一佩戴位置，所述外电极接触所述非佩戴位置，所述心电采集电路用于依据所述第一佩戴位置的电位信号与所述非佩戴位置的电位信号之间的电位差获得用户的心电数据。状态二，所述可穿戴设备使用所述配件时，所述内电极佩戴在所述第一佩戴位置，所述检测电极佩戴在所述第二佩戴位置，所述心电采集电路用于依据所述第一佩戴位置的电位信号与所述第二佩戴位置的电位信号之间的电位差获得用户的心电数据。
所述主体还包括处理芯片和显示屏。所述处理芯片电连接所述心电采集电路，用于优化处理所述心电数据。所述显示屏电连接所述处理芯片，用于显示优化后的所述心电数据。用户可通过观看所述显示屏的显示图案(例如心电图波形)获知自身的心电数据。
在本实施例中，由于所述可穿戴设备体积小、方便携带，因此用户可随时佩戴所述可穿戴设备，并通过所述内电极和所述外电极的配合或所述内电极和所述检测电极的配合， 及时测量自身的实时心电数据，从而及时检测身体的健康情况。
可以理解的，所述内电极和所述外电极固定于所述主体，所述内电极和所述外电极作为所述可穿戴设备的固定式电极。用户佩戴所述主体时，所述内电极连续接触所述第一佩戴位置，用户只需要依据需求令所述非佩戴位置触碰所述外电极，即可测量心电数据，测量动作主动、便利且高效。固定式电极在应急环境中的应急检测作用尤为明显。所述检测电极能够相对所述主体移动，所述检测电极作为所述可穿戴设备的配件式电极。用户佩戴所述主体使所述内电极连续接触所述第一佩戴位置后，可将所述配件固定于所述第二佩戴位置，以使所述检测电极连续接触所述第二佩戴位置，从而使所述可穿戴设备能够连续测量用户心电数据，进而连续跟踪用户的生理指数的变化情况，更好地反馈用户的身体状况。配件式电极作为可穿戴产品可以让用户在更多的场合(例如锻炼、睡眠)中使用，从而记录连续性生理指数。简言之，本实施例所述可穿戴设备既能够实现应急检测心电数据，也可以实现连续检测心电数据。
作为一种可选实施例，所述主体包括表盘及连接所述表盘的表带。所述表盘包括壳体及位于所述壳体内部的电路板，所述电路板用于承载所述心电采集电路。
作为一种可选实施例，所述壳体包括底壁及围设在所述底壁周边的侧壁，所述底壁接触用于接触所述第一佩戴位置。所述内电极固定于所述底壁，以采集所述第一佩戴位置的电位信号。所述外电极固定于所述侧壁远离所述底壁的端部，以使用户的所述非佩戴位置可便捷地接触所述外电极。
可选的，所述内电极采用耐腐蚀性良好的不锈钢材质。所述外电极采用耐腐蚀性良好的不锈钢材质。所述壳体采用塑胶材料或金属材料。所述壳体与所述内电极及所述外电极之间绝缘。
在一种实施方式中，所述底壁设有第一通孔。所述表盘还包括电连接至所述电路板的固定电路板。所述固定电路板设有第二通孔和位于所述第二通孔周边的焊盘，所述焊盘通过所述固定电路板及所述电路板电连接至所述心电采集电路。
可选的，所述内电极包括电极片和连接所述电极片的连接座。所述连接座设有连接孔，所述连接孔的孔壁设内螺纹。所述表盘还包括螺钉，所述螺钉设有与所述内螺纹相匹配的外螺纹。所述连接座伸入所述第一通孔，所述螺钉穿过所述第二通孔后连接所述连接座(所述内螺纹螺接所述外螺纹)，所述螺钉锁紧所述连接座与所述固定电路板，用以使所述连接座接触所述焊盘。此时，所述电极片通过所述连接座和所述焊盘电连接至所述心电采集电路。
所述连接座与所述电极片可一体成型，从而简化所述内电极的成型工艺。
可选的，所述焊盘包括相对设置的第一子焊盘和第二子焊盘，所述第一子焊盘设于所述固定电路板朝向所述连接座的一侧并接触所述连接座，所述第二子焊盘设于所述固定电路板远离所述连接座的一侧并接触所述螺钉。所述螺钉采用导电材质，用于使所述连接座通过所述螺钉电连接至所述第二子焊盘。此时，所述电极片既可以通过所述连接座和所述第一子焊盘电连接至所述心电采集电路，还可以通过所述连接座、所述螺钉及所述第二子焊盘电连接至所述心电采集电路，使得所述心电采集电路能够获得所述第一佩戴位置的更为准确的电位信号。
可选的，所述表盘还包括波形弹片，所述螺钉穿过所述波形弹片，所述波形弹片被压紧在所述焊盘与所述连接座之间。所述波形弹片有一定预压，所述波形弹片位于所述固定电路板与所述连接座之间，所述螺钉穿过所述波形弹片锁紧所述连接座，使所述波形弹片的一个表面与所述连接座贴合，所述波形弹片的另一个表面与所述固定电路板上的所述焊盘(所述第二子焊盘)贴合，从而确保所述电极片与所述固定电路板的电路可靠导通，使得所述心电采集电路能够可靠地通过所述内电极采集电位信号。同时，所述波形弹片具有防松功能，能够防止所述内电极松动。所述波形弹片可焊接至所述焊盘。
可选的，所述表盘还包括密封圈，所述密封圈被压紧在所述连接座的外壁与所述第一通孔的孔壁之间。由于所述密封圈处于压缩状态，因此所述密封圈可密封所述连接座的外壁与所述第一通孔的孔壁之间的缝隙，从而防止水汽、粉尘等通过所述第一通孔进入所述壳体内部，起到防水、防尘作用。
所述连接座的外壁设有第一限位台阶，所述第一通孔的孔壁设有第二限位台阶，所述第一限位台阶与所述第二限位台阶相对设置。所述密封圈设于所述第一限位台阶与所述第二限位台阶之间，所述第一限位台阶和所述第二限位台阶用于限制所述密封圈的位置，防止所述密封圈脱离所述第一通孔，避免所述密封圈进入所述壳体内部或脱离所述壳体。
可选的，所述底壁包括中心区与围设在所述中心区周边的周边区。所述中心区相对于所述周边区凸出，所述内电极设于所述中心区，使得所述内电极能够更好地接触所述第一佩戴位置，提高了所述内电极的检测信号质量。
所述内电极的数量可为至少两个，至少两个所述内电极间隔设置，用于进一步提高所述内电极的检测信号质量。
可选的，所述外电极包括触摸部和连接所述触摸部的固定部。所述触摸部用于被所述非佩戴位置触碰，以采集所述非佩戴位置的电位信号。所述端部设有凹槽，所述固定部卡入所述凹槽以使所述外电极固定至所述壳体。此时，所述触摸部抵接所述侧壁远离所述底壁的端面。
所述固定部卡入所述凹槽后，可通过点胶工艺或不干胶等粘接所述固定部与所述凹槽的槽壁，从而增加所述外电极与所述壳体之间的连接牢固度。同时，所述固定部与所述凹槽之间的配合结构也增加了所述外电极与所述壳体之间的结合面积，使得两者之间的连接更为可靠，从而满足整体强度和50M防水的需求。
所述表盘还包括位于所述壳体内部的第一电极弹片和柔性电路板。所述第一电极弹片的一端伸入所述凹槽以连接所述固定部，所述第一电极弹片的另一端连接所述柔性电路板的一端，所述柔性电路板的另一端电连接至所述心电采集电路。所述外电极通过所述第一电极片和所述柔性电路板电连接至所述心电采集电路。所述第一电极弹片伸入所述凹槽的一端被压紧在所述固定部与所述凹槽的槽壁之间，使得所述第一电极弹片稳定接触所述固定部且接触面积较大，所述第一电极片与所述外电极的电连接关系可靠。所述第一电极弹片与所述柔性电路板彼此连接的区域可通过固定件固定至所述侧壁，从而防止所述第一电极弹片与所述柔性电路板彼此移动或脱离，保证所述第一电极弹片与所述柔性电路板可靠连接。
在另一种实施方式中，所述表盘还包括第二电极弹片和连接电路板，所述第二电极弹 片位于所述壳体内部，所述连接电路板位于所述壳体内部且电连接所述电路板。所述内电极位于所述底壁外侧，所述底壁设有正对所述内电极的第三通孔，所述第二电极弹片穿过所述第三通孔并被压紧在所述内电极与所述连接电路板之间。所述内电极依次通过所述第二电极弹片和所述连接电路板电连接至所述电路板，从而电连接至所述心电采集电路。
可选的，所述底壁包括中心区与围设在所述中心区周边的周边区。所述内电极设于所述周边区。所述内电极可为完整的环形，也可以为间隔设置的多个弧形段。
所述底壁设有内凹的安装槽，所述内电极嵌入所述安装槽。所述内电极的外侧面与所述安装槽的槽壁之间可设有密封圈，用于防止水汽和粉尘通过所述第三通孔进入所述壳体内部。
可选的，所述外电极包括触摸部和连接所述触摸部的固定部。所述触摸部用于被所述非佩戴位置触碰，以采集所述非佩戴位置的电位信号。所述固定部伸入所述壳体内部以连接所述端部。
所述表盘还包括第三电极弹片，所述第三电极弹片固定于所述连接电路板且弹性连接所述固定部。所述外电极依次通过所述第三电极弹片和所述连接电路板电连接至所述电路板，从而电连接至所述心电采集电路。
作为一种可选实施例，所述中心区设有检测窗口和覆盖于所述检测窗口的透光镜片。所述表盘还包括设于所述壳体内部的光体积扫描器(Photoplethysmograph，PPG)，所述光体积扫描器用于通过所述检测窗口检测用户心率。由于所述检测窗口设于所述壳体的所述底壁，因此所述检测窗口连续正对所述第一佩戴位置，所述可穿戴设备可连续检测用户心率。
所述表盘还包括传感器芯片，所述传感器芯片电连接所述光体积扫描器和处理芯片，用于将所述光体积扫描器所检测出的用户心率数据传递给所述处理芯片。所述处理芯片依据所述心电数据和所述心率数据，对二者的时间差进行计算和校正，从而得到用户血压值。由于所述可穿戴设备可实现连续检测心电数据和心率数据，因此可以进行连续血压波动检测，及时发现血压异常问题(例如人群中常见的高血压等疾病)，并可以检测血管健康状况(如血管弹性、血管硬化程度、血管是否堵塞等)。
作为一种可选实施例，所述表带包括相对设置的内侧和外侧，所述内侧用于接触所述第一佩戴位置。所述内电极设于所述内侧，所述外电极设于所述外侧。所述表带上设有第二柔性电路板，所述内电极和所述外电极通过所述第二柔性电路板电连接至所述电路板，从而电连接至所述心电采集电路。
在本实施例中，将所述内电极和所述外电极固定于所述表带，能够简化所述表盘内部结构，从而缩小所述表盘的体积，有利于所述可穿戴设备的小型化。
作为一种可选实施例，所述可穿戴设备的所述配件包括固定带、连接头及连接在所述固定带与所述连接头之间的线缆。所述检测电极设于所述固定带的内侧，所述固定带用于将所述检测电极固定于所述第二佩戴位置。所述线缆的一端电连接所述检测电极，所述线缆的另一端电连接所述连接头。所述连接头可拆卸连接所述主体。
在本实施例中，由于所述连接头可拆卸连接所述主体，因此所述配件与所述主体之间亦为可拆卸连接关系，所述配件可在需要进行连续检测时连接所述主体，在无需进行连接 检测时脱离所述主体以减轻所述可穿戴设备的重量，从而增强了所述可穿戴设备的使用灵活性。
可选的，所述可穿戴设备还包括固定于所述固定带的温度检测电极，所述温度检测电极通过所述线缆电连接至所述连接头。所述温度检测电极用于检测用户体温，使得所述可穿戴设备能够同时检测用户体温。所述温度检测电极电连接所述处理芯片，所述处理芯片能够将用户体温显示在所述显示屏上。
在一种实施方式中，所述连接头为插头。所述主体上设有电连接所述心电采集电路的插座，所述插头可拆卸连接于所述插座。所述插头与所述插座通过插拔结构实现连接。
可选的，所述插座设有插孔，所述插孔的孔壁上设有弹片，所述弹片用于卡紧插入所述插孔的插头，使得所述插头可稳定插接所述插座。同时，所述弹片也可起到电连接作用。
可选的，所述插头为USB(Universal Serial Bus，通用串行总线)插头或耳机插头。所述插座为与所述插头相匹配的USB插座或耳机插座。
在另一种实施方式中，所述连接头为磁性吸头，所述磁性吸头可拆卸地吸附至所述外电极。具体而言，所述外电极采用金属材料，所述磁性吸头设有磁铁，从而使得所述磁性吸头可吸附在所述外电极上。可通过榫卯连接(指在两个构件上采用凹凸部位相结合的一种连接方式)实现所述磁性吸头与所述外电极之间的彼此定位。
附图说明
图1是本申请实施例提供的一种智能手表的使用状态图一；
图2是图1所示智能手表的使用状态图二；
图3是图1所示智能手表的一种实施方式的俯视图；
图4是图3所示智能手表的仰视图；
图5是图3所示智能手表的表盘的一种实施方式的俯视图；
图6是图5所示表盘沿B-B处结构的剖视图；
图7是图1所示智能手表的部分结构连接关系的示意框图；
图8是图6中D处结构的放大示意图；
图9是图8中部分结构的分解图；
图10是图5所示表盘沿C-C处结构的剖视图；
图11是图10中E处结构的放大示意图；
图12是图3所示智能手表的表盘的另一种实施方式的正视图；
图13是图12所示表盘的仰视图；
图14是图13所示表盘沿F-F处结构的剖视图；
图15是图13所示表盘沿G-G处结构的剖视图；
图16是图13所示表盘的部分结构的分解图；
图17是图3所示智能手表的表盘的再一种实施方式的结构示意图；
图18是图1所示智能手表的另一种实施方式的俯视图；
图19是图18所示智能手表的立体图；
图20是图18所示智能手表沿H-H处结构的剖视图；
图21是图20中I处结构的放大示意图；
图22是图3所示智能手表沿A-A处结构的剖视图。
具体实施方式
下面结合本申请实施例中的附图对本申请实施例进行描述。
请一并参阅图1至图7，本申请公开一种可穿戴设备，所述可穿戴设备可用于检测用户的心电数据。所述可穿戴设备可以是智能手表、智能手环等，本申请以智能手表100为例进行说明。
所述智能手表100包括主体1和配件2。所述主体1包括心电采集电路11及电连接于所述心电采集电路11的内电极12和外电极13，所述内电极12用于采集第一佩戴位置200的电位信号，所述外电极13用于采集非佩戴位置300的电位信号，所述非佩戴位置300不同于所述第一佩戴位置200。所述配件2包括检测电极21，所述检测电极21能够相对所述主体1移动。所述检测电极21用于电连接所述心电采集电路11并采集第二佩戴位置400的电位信号，所述第二佩戴位置400不同于所述第一佩戴位置200。所述心电采集电路11用于依据所述第一佩戴位置200的电位信号与所述非佩戴位置300的电位信号之间的电位差或者所述第一佩戴位置200的电位信号与所述第二佩戴位置400的电位信号之间的电位差获得用户的心电数据。
所述智能手表100有两种使用状态：
状态一，如图2所示，所述智能手表100不使用所述配件2时，所述内电极12佩戴在所述第一佩戴位置200，所述外电极13接触所述非佩戴位置300，所述心电采集电路11用于依据所述第一佩戴位置200的电位信号与所述非佩戴位置300的电位信号之间的电位差获得用户的心电数据。例如，用户将所述主体1佩戴在佩戴侧手腕上，所述第一佩戴位置200可以为用户佩戴侧手腕，所述内电极12采集用户佩戴侧手腕处的电位信号。用户非佩戴侧手指接触所述外电极13，所述非佩戴位置300可以为用户非佩戴侧手指，所述外电极13采集用户非佩戴侧手指处的电位信号。所述心电采集电路11依据所述内电极12采集的电位信号与所述外电极13采集的电位信号之间的电位差获得用户的心电数据。
状态二，如图1所示，所述智能手表100使用所述配件2时，所述内电极12佩戴在所述第一佩戴位置200，所述检测电极21佩戴在所述第二佩戴位置400，所述心电采集电路11用于依据所述第一佩戴位置200的电位信号与所述第二佩戴位置400的电位信号之间的电位差获得用户的心电数据。例如，用户将所述主体1佩戴在佩戴侧手腕上，所述第一佩戴位置200为用户佩戴侧手腕，所述内电极12采集用户佩戴侧手腕处的电位信号。所述检测电极21固定在用户佩戴侧手臂上，所述第二佩戴位置400为用户佩戴侧手臂，所述检测电极21采集用户佩戴侧手臂的电位信号。所述心电采集电路11依据所述内电极12采集的电位信号与所述检测电极21采集的电位信号之间的电位差获得用户的心电数据。
所述第一佩戴位置200通常可以为用户佩戴所述主体1的手腕，所述非佩戴位置300可为用户不佩戴所述主体1的手部(例如手指、手掌)、胸部(用户可抬起佩戴侧手腕以使所述外电极13触碰用户胸部)、腿部等。所述第二佩戴位置400可为用户佩戴所述主体1的手部的手臂，从而方便用户的日常活动。当然，所述第二佩戴位置400也可以为其他的不同于所述第一佩戴位置200的位置，例如胸部、腿部等。
所述主体1还包括处理芯片14和显示屏15。所述处理芯片14电连接所述心电采集电路11，用于优化处理所述心电数据，所述处理芯片14可设置软件滤波算法、显示优化算法等。所述显示屏15电连接所述处理芯片14，用于显示优化后的所述心电数据。用户可通过观看所述显示屏15的显示图案(例如心电图波形)获知自身的心电数据。所述心电采集电路11可以由芯片承载或电路板承载。所述显示屏15可为触摸显示屏。
在本实施例中，由于所述智能手表100体积小、方便携带，因此用户可随时佩戴所述智能手表100，并通过所述内电极12和所述外电极13的配合或所述内电极12和所述检测电极21的配合，及时测量自身的实时心电数据，从而及时检测身体的健康情况。
可以理解的，所述内电极12和所述外电极13固定于所述主体1，所述内电极12和所述外电极13作为所述智能手表100的固定式电极。用户佩戴所述主体1时，所述内电极12连续接触所述第一佩戴位置200，用户只需要依据需求令所述非佩戴位置300触碰所述外电极13，即可测量心电数据，测量动作主动、便利且高效。固定式电极在应急环境中的应急检测作用尤为明显。所述检测电极21能够相对所述主体1移动，所述检测电极21作为所述智能手表100的配件式电极。用户佩戴所述主体1使所述内电极12连续接触所述第一佩戴位置200后，可将所述配件2固定于所述第二佩戴位置400，以使所述检测电极21连续接触所述第二佩戴位置400，从而使所述智能手表100能够连续测量用户心电数据，进而连续跟踪用户的生理指数的变化情况，更好地反馈用户的身体状况。配件式电极作为可穿戴产品可以让用户在更多的场合(例如锻炼、睡眠)中使用，从而记录连续性生理指数。简言之，本实施例所述智能手表100既能够实现应急检测心电数据，也可以实现连续检测心电数据。
请一并参阅图3、图5以及图6，作为一种可选实施例，所述主体1包括表盘16及连接所述表盘16的表带17。所述表盘16包括壳体161及位于所述壳体161内部的电路板162，所述电路板162用于承载所述心电采集电路11。在一种实施方式中，所述处理芯片14和用于承载所述心电采集电路11的芯片设在所述电路板162上。在另一种实施方式中，所述心电采集电路11直接形成在所述电路板162上。所述显示屏15固定于所述壳体161。
可选的，所述壳体161与所述表带17一体成型，以简化加工工艺。在其他实施方式中，所述壳体161与所述表带17也可通过表耳或螺丝等方式固定。
请一并参阅图1至图17，作为一种可选实施例，所述壳体161包括底壁1611及围设在所述底壁1611周边的侧壁1612，所述底壁1611接触用于接触所述第一佩戴位置200。此时，所述显示屏15可与所述底壁1611相对设置，所述侧壁1612连接在所述显示屏15与所述底壁1611之间。
所述内电极12固定于所述底壁1611，以采集所述第一佩戴位置200的电位信号。所述外电极13固定于所述侧壁1612远离所述底壁1611的端部1613，以使用户的所述非佩戴位置300可便捷地接触所述外电极13。
可选的，所述内电极12采用耐腐蚀性良好的不锈钢材质。所述外电极13采用耐腐蚀性良好的不锈钢材质。所述壳体161采用塑胶材料或金属材料。所述壳体161与所述内电极12及所述外电极13之间绝缘。在其他实施方式中，所述内电极12和所述外电极13也可采用其他的具有耐腐蚀性能的金属材料。
请一并参阅图1至图11，在一种实施方式中，所述底壁1611设有第一通孔1614。所述表 盘16还包括电连接至所述电路板162的固定电路板163。所述固定电路板163设有第二通孔1631和位于所述第二通孔1631周边的焊盘1632，所述焊盘1632通过所述固定电路板163及所述电路板162电连接至所述心电采集电路11。所述固定电路板163可通过柔性电路板连接至所述电路板162，所述固定电路板163与柔性电路板之间、柔性电路板与所述电路板162之间可通过ZIF(Zero Insertion Force，零插入力)连接器或BTB(Board to board，板对板)连接器进行连接。
可选的，所述内电极12包括电极片121和连接所述电极片121的连接座122。所述连接座122设有连接孔123，所述连接孔123的孔壁设内螺纹。所述表盘16还包括螺钉164，所述螺钉164设有与所述内螺纹相匹配的外螺纹。所述连接座122伸入所述第一通孔1614，所述螺钉164穿过所述第二通孔1631后连接所述连接座122(所述内螺纹螺接所述外螺纹)，所述螺钉164锁紧所述连接座122与所述固定电路板163，用以使所述连接座122接触所述焊盘1632。此时，所述电极片121通过所述连接座122和所述焊盘1632电连接至所述心电采集电路11。
所述连接座122与所述电极片121可一体成型，从而简化所述内电极12的成型工艺。
可选的，所述焊盘1632包括相对设置的第一子焊盘1633和第二子焊盘1634，所述第一子焊盘1633设于所述固定电路板163朝向所述连接座122的一侧并接触所述连接座122，所述第二子焊盘1634设于所述固定电路板163远离所述连接座122的一侧并接触所述螺钉164。所述螺钉164采用导电材质，用于使所述连接座122通过所述螺钉164电连接至所述第二子焊盘1634。此时，所述电极片121既可以通过所述连接座122和所述第一子焊盘1633电连接至所述心电采集电路11，还可以通过所述连接座122、所述螺钉164及所述第二子焊盘1634电连接至所述心电采集电路11，使得所述心电采集电路11能够获得所述第一佩戴位置200的更为准确的电位信号。当然，在其他实施方式中，所述固定电路板163的所述焊盘163可仅设所述第一子焊盘1633。
可选的，所述表盘16还包括波形弹片165，所述螺钉164穿过所述波形弹片165，所述波形弹片165被压紧在所述焊盘1632与所述连接座122之间。具体而言，所述波形弹片165有一定预压，所述波形弹片165位于所述固定电路板163与所述连接座122之间，所述螺钉164穿过所述波形弹片165锁紧所述连接座122，使所述波形弹片165的一个表面与所述连接座122贴合，所述波形弹片165的另一个表面与所述固定电路板163上的所述焊盘1632(所述第二子焊盘1634)贴合，从而确保所述电极片121与所述固定电路板163的电路可靠导通，使得所述心电采集电路11能够可靠地通过所述内电极12采集电位信号。同时，所述波形弹片165具有防松功能，能够防止所述内电极12松动。所述波形弹片165可焊接至所述焊盘1632。
可选的，所述表盘16还包括密封圈166，所述密封圈166被压紧在所述连接座122的外壁与所述第一通孔1614的孔壁之间。由于所述密封圈166处于压缩状态，因此所述密封圈166可密封所述连接座122的外壁与所述第一通孔1614的孔壁之间的缝隙，从而防止水汽、粉尘等通过所述第一通孔1614进入所述壳体161内部，起到防水、防尘作用。
所述连接座122的外壁设有第一限位台阶1221，所述第一通孔1614的孔壁设有第二限位台阶1615，所述第一限位台阶1221与所述第二限位台阶1615相对设置。所述密封圈166设于所述第一限位台阶1221与所述第二限位台阶1615之间，所述第一限位台阶1221和所述第二 限位台阶1615用于限制所述密封圈166的位置，防止所述密封圈166脱离所述第一通孔1614，避免所述密封圈166进入所述壳体161内部或脱离所述壳体161。
可选的，所述底壁1611还设有连通所述第一通孔1614的安装凹槽1616，所述安装凹槽1616远离所述壳体161内部设置。所述连接座122伸入所述第一通孔1614时，所述电极片121收容于所述安装凹槽1616。在垂直于所述第一通孔1614轴线的方向上，所述安装凹槽1616的面积大于所述第一通孔1614的面积，所述电极片121的面积大于所述连接座122的面积，所述安装凹槽1616的槽底壁用于对所述电极片121进行限位，从而定位所述内电极12的安装位置，防止所述内电极12完全进入所述壳体161内部。
可选的，所述底壁1611包括中心区1617与围设在所述中心区1617周边的周边区1618。所述中心区1617相对于所述周边区1618凸出，所述内电极12设于所述中心区1617，使得所述内电极12能够更好地接触所述第一佩戴位置200，提高了所述内电极12的检测信号质量。
所述内电极12的数量可为至少两个，至少两个所述内电极12间隔设置，用于进一步提高所述内电极12的检测信号质量。
可选的，所述外电极13包括触摸部131和连接所述触摸部131的固定部132。所述触摸部131用于被所述非佩戴位置300触碰，以采集所述非佩戴位置300的电位信号。所述侧壁1612的所述端部1613设有凹槽1619，所述固定部132卡入所述凹槽1619以使所述外电极13固定至所述壳体161。此时，所述触摸部131抵接所述侧壁1612远离所述底壁1611的端面。
所述固定部132卡入所述凹槽1619后，可通过点胶工艺或不干胶等粘接所述固定部132与所述凹槽1619的槽壁，从而增加所述外电极13与所述壳体161之间的连接牢固度。同时，所述固定部132与所述凹槽1619之间的配合结构也增加了所述外电极13与所述壳体161之间的结合面积，使得两者之间的连接更为可靠，从而满足整体强度和50M防水的需求。
所述表盘16还包括位于所述壳体161内部的第一电极弹片167和柔性电路板168。所述第一电极弹片167的一端伸入所述凹槽1619以连接所述固定部132，所述第一电极弹片167的另一端连接所述柔性电路板168的一端，所述柔性电路板168的另一端电连接至所述心电采集电路11。所述外电极13通过所述第一电极片121和所述柔性电路板168电连接至所述心电采集电路11。所述第一电极弹片167伸入所述凹槽1619的一端被压紧在所述固定部132与所述凹槽1619的槽壁之间，使得所述第一电极弹片167稳定接触所述固定部132且接触面积较大，所述第一电极片121与所述外电极13的电连接关系可靠。所述第一电极弹片167与所述柔性电路板168彼此连接的区域可通过固定件1671固定至所述侧壁1612，从而防止所述第一电极弹片167与所述柔性电路板168彼此移动或脱离，保证所述第一电极弹片167与所述柔性电路板168可靠连接。所述柔性电路板168可同时用于连接所述固定电路板163和所述电路板162。
请一并参阅图1至图4以及图12至图17，在另一种实施方式中，所述表盘16还包括第二电极弹片169和连接电路板163’，所述第二电极弹片169位于所述壳体161内部，所述连接电路板163’位于所述壳体161内部且电连接所述电路板162。所述内电极12位于所述底壁1611外侧，所述底壁1611设有正对所述内电极12的第三通孔1614’，所述第二电极弹片169穿过所述第三通孔1614’并被压紧在所述内电极12与所述连接电路板163’之间。所述内电极12依次通过所述第二电极弹片169和所述连接电路板163’电连接至所述电路板162，从而电连接至所述心电采集电路11。
可选的，所述连接电路板163’可为硬性电路板或柔性电路板。所述连接电路板163’为硬性电路板时，通过柔性电路板电连接至所述电路板162，该柔性电路板与所述电路板162之间可通过ZIF连接器或BTB连接器进行连接。所述连接电路板163’为柔性电路板时，可直接连接至所述电路板162，所述连接电路板163’与所述电路板162之间可通过ZIF连接器或BTB连接器进行连接。
可选的，所述底壁1611包括中心区1617与围设在所述中心区1617周边的周边区1618。所述内电极12设于所述周边区1618。所述内电极12可为完整的环形(如图13所示)，也可以为间隔设置的多个弧形段(如图17所示)。所述内电极12为多个弧形段时，所述多个弧形段可对称设置且略高于所述周边区1618的不布置所述弧形段的区域，以增加所述内电极12接触所述第一佩戴位置200的可靠性。
所述底壁1611设有内凹的安装槽，所述内电极12嵌入所述安装槽。所述内电极12的外侧面与所述安装槽的槽壁之间可设有密封圈，用于防止水汽和粉尘通过所述第三通孔1614’进入所述壳体161内部。
可选的，所述外电极13包括触摸部131和连接所述触摸部131的固定部132。所述触摸部131用于被所述非佩戴位置300触碰，以采集所述非佩戴位置300的电位信号。所述固定部132伸入所述壳体161内部以连接所述端部1613。此时，所述固定部132与所述端部1613的连接处可通过点胶工艺或不干胶实现粘接。
所述表盘16还包括第三电极弹片167’，所述第三电极弹片167’固定于所述连接电路板163’且弹性连接所述固定部132。所述外电极13依次通过所述第三电极弹片167’和所述连接电路板163’电连接至所述电路板162，从而电连接至所述心电采集电路11。
请一并参阅图1至图17，作为一种可选实施例，所述中心区1617设有检测窗口181和覆盖于所述检测窗口181的透光镜片182。所述检测窗口181可设于至少两个所述内电极12之间，从而使得设于所述中心区1617的结构更为紧凑。所述表盘16还包括设于所述壳体161内部的光体积扫描器(Photoplethysmograph，PPG)18，所述光体积扫描器18用于通过所述检测窗口181检测用户心率。由于所述检测窗口181设于所述壳体161的所述底壁1611，因此所述检测窗口181连续正对所述第一佩戴位置200，所述智能手表100可连续检测用户心率。
所述表盘16还包括传感器芯片182，所述传感器芯片182电连接所述光体积扫描器18和处理芯片14，用于将所述光体积扫描器18所检测出的用户心率数据传递给所述处理芯片14。所述处理芯片14依据所述心电数据和所述心率数据，对二者的时间差进行计算和校正，从而得到用户血压值。由于所述智能手表100可实现连续检测心电数据和心率数据，因此可以进行连续血压波动检测，及时发现血压异常问题(例如人群中常见的高血压等疾病)，并可以检测血管健康状况(如血管弹性、血管硬化程度、血管是否堵塞等)。
请一并参阅图18至图21，作为一种可选实施例，所述表带17包括相对设置的内侧171和外侧172，所述内侧171用于接触所述第一佩戴位置200。所述内电极12设于所述内侧171，所述外电极13设于所述外侧172。所述表带17上设有第二柔性电路板173，所述内电极12和所述外电极13通过所述第二柔性电路板173电连接至所述电路板162，从而电连接至所述心电采集电路11。
在本实施例中，将所述内电极12和所述外电极13固定于所述表带17，能够简化所述表 盘16内部结构，从而缩小所述表盘16的体积，有利于所述智能手表100的小型化。
可选的，所述第二柔性电路板173设于所述表带17的内部。制作所述智能手表100时，可先将所述内电极12和所述外电极13预先焊接在所述第二柔性电路板173上，然后通过嵌件注塑或热压硅胶工艺将所述第二柔性电路板173预埋在所述表带17内部，从而达到可靠的固定及防水要求。所述外电极13和所述内电极12可分别固定在所述第二柔性电路板173的相对两侧，以简化所述智能手表100的制作工艺。
在其他实施方式中，所述第二柔性电路板173也可贴附于所述表带17的所述内侧171。
可选的，所述第二柔性电路板173与所述电路板162之间通过ZIF连接器或BTB连接器进行连接。
请一并参阅图1至图4以及图18至图22，作为一种可选实施例，所述智能手表100的所述配件2包括固定带22、连接头(25/26)及连接在所述固定带22与所述连接头(25/26)之间的线缆23。所述检测电极21设于所述固定带22的内侧，所述固定带22用于将所述检测电极21固定于所述第二佩戴位置400。所述线缆23的一端电连接所述检测电极21，所述线缆23的另一端电连接所述连接头(25/26)的连接端子(例如金手指)。所述连接头(25/26)可拆卸连接所述主体1。
在本实施例中，由于所述连接头(25/26)可拆卸连接所述主体1，因此所述配件2与所述主体1之间亦为可拆卸连接关系，所述配件2可在需要进行连续检测时连接所述主体1，在无需进行连接检测时脱离所述主体1以减轻所述智能手表100的重量，从而增强了所述智能手表100的使用灵活性。
可选的，所述智能手表100还包括固定于所述固定带22的温度检测电极24，所述温度检测电极24通过所述线缆23电连接至所述连接头(25/26)。所述温度检测电极24用于检测用户体温，使得所述智能手表100能够同时检测用户体温。所述温度检测电极24电连接所述处理芯片14，所述处理芯片14能够将用户体温显示在所述显示屏15上。
请一并参阅图3、图4以及图22，在一种实施方式中，所述连接头为插头25。所述主体1上设有电连接所述心电采集电路11的插座19，所述插头25可拆卸连接于所述插座19。所述插头25与所述插座19通过插拔结构实现连接。
可选的，所述插座19设有插孔191，所述插孔191的孔壁上设有弹片192，所述弹片192用于卡紧插入所述插孔191的插头25，使得所述插头25可稳定插接所述插座19。同时，所述弹片192也可起到电连接作用。
可选的，所述插头25为USB(Universal Serial Bus，通用串行总线)插头或耳机插头。所述插座19为与所述插头25相匹配的USB插座或耳机插座。
请一并参阅图18至图21，在另一种实施方式中，所述连接头为磁性吸头26，所述磁性吸头26可拆卸地吸附至所述外电极13。具体而言，所述外电极13采用金属材料，所述磁性吸头26设有磁铁，从而使得所述磁性吸头26可吸附在所述外电极13上。可通过榫卯连接(指在两个构件上采用凹凸部位相结合的一种连接方式)实现所述磁性吸头26与所述外电极13之间的彼此定位。
在其他实施方式中，所述配件2的所述线缆23可以是导线、含导电纤维的编织袖套、含导电纤维的无纺布或者带有印刷线路的柔性贴膜等，形式不限，类似连接方式均为本申请 保护范围。此时，所述连接头可为贴片式电极。所述检测电极21可为贴片式电极。例如，所述线缆23为含导电纤维的编织袖套，所述检测电极21为固定在所述编织袖套一端的贴片式电极，所述连接头为固定在所述编织袖套另一端的贴片式电极。所述编织袖套穿戴在用户佩戴侧手臂上，所述检测电极21贴附于所述第二佩戴位置400，所述连接头贴附于所述主体1以电连接至所述心电采集电路11，从而使得所述心电采集电路11可通过所述检测电极21采集所述第二佩戴位置400的电位信号。
在其他实施方式中，所述配件2可不设置所述连接头，所述线缆23连接所述主体1。所述配件2不用时，所述配件2可收容在所述壳体161内部，使用所述配件2时，再取出所述固定带22，伸长所述线缆23，从而使得所述检测电极21可固定于所述第二佩戴位置400。
在其他实施方式中，所述配件2可不设置所述线缆23，所述检测电极21与所述主体1之间通过无线技术连接。

Claims (22)

  1. 一种可穿戴设备，其特征在于，包括主体和检测电极，所述主体包括心电采集电路及电连接于所述心电采集电路的内电极和外电极，所述内电极用于采集第一佩戴位置的电位信号，所述外电极用于采集非佩戴位置的电位信号，所述检测电极能够相对所述主体移动，所述检测电极用于电连接所述心电采集电路并采集第二佩戴位置的电位信号，所述非佩戴位置与所述第二佩戴位置均不同于所述第一佩戴位置。
  2. 如权利要求1所述的可穿戴设备，其特征在于，所述主体包括表盘及连接所述表盘的表带，所述表盘包括壳体及位于所述壳体内部的电路板，所述电路板用于承载所述心电采集电路。
  3. 如权利要求2所述的可穿戴设备，其特征在于，所述壳体包括底壁及围设在所述底壁周边的侧壁，所述底壁接触用于接触所述第一佩戴位置，所述内电极固定于所述底壁，所述外电极固定于所述侧壁远离所述底壁的端部。
  4. 如权利要求3所述的可穿戴设备，其特征在于，所述底壁设有第一通孔，所述表盘还包括电连接至所述电路板的固定电路板，所述固定电路板设有第二通孔和位于所述第二通孔周边的焊盘，所述内电极包括电极片和连接所述电极片的连接座，所述表盘还包括螺钉，所述连接座伸入所述第一通孔，所述螺钉穿过所述第二通孔后连接所述连接座，用以使所述连接座接触所述焊盘。
  5. 如权利要求4所述的可穿戴设备，其特征在于，所述焊盘包括相对设置的第一子焊盘和第二子焊盘，所述第一子焊盘设于所述固定电路板朝向所述连接座的一侧并接触所述连接座，所述第二子焊盘设于所述固定电路板远离所述连接座的一侧并接触所述螺钉，所述螺钉采用导电材质，用于使所述连接座通过所述螺钉电连接至所述第二子焊盘。
  6. 如权利要求4或5所述的可穿戴设备，其特征在于，所述表盘还包括波形弹片，所述螺钉穿过所述波形弹片，所述波形弹片被压紧在所述焊盘与所述连接座之间。
  7. 如权利要求4～6任一项所述的可穿戴设备，其特征在于，所述表盘还包括密封圈，所述密封圈被压紧在所述连接座的外壁与所述第一通孔的孔壁之间。
  8. 如权利要求3～7任一项所述的可穿戴设备，其特征在于，所述底壁包括中心区与围设在所述中心区周边的周边区，所述中心区相对于所述周边区凸出，所述内电极设于所述中心区。
  9. 如权利要求3～8任一项所述的可穿戴设备，其特征在于，所述外电极包括触摸部和连接所述触摸部的固定部，所述端部设有凹槽，所述固定部卡入所述凹槽以使所述外电极固定至所述壳体。
  10. 如权利要求9所述的可穿戴设备，其特征在于，所述表盘还包括位于所述壳体内部的第一电极弹片和柔性电路板，所述第一电极弹片的一端伸入所述凹槽以连接所述固定部，所述第一电极弹片的另一端连接所述柔性电路板的一端，所述柔性电路板的另一端电连接至所述心电采集电路。
  11. 如权利要求3所述的可穿戴设备，其特征在于，所述表盘还包括第二电极弹片和连接电路板，所述第二电极弹片位于所述壳体内部，所述连接电路板位于所述壳体内部且电 连接所述电路板，所述内电极位于所述底壁外侧，所述底壁设有第三通孔，所述第二电极弹片穿过所述第三通孔并被压紧在所述内电极与所述连接电路板之间。
  12. 如权利要求11所述的可穿戴设备，其特征在于，所述外电极包括触摸部和连接所述触摸部的固定部，所述固定部伸入所述壳体内部以连接所述端部；
    所述表盘还包括第三电极弹片，所述第三电极弹片固定于所述连接电路板且弹性连接所述固定部。
  13. 如权利要求8～12任一项所述的可穿戴设备，其特征在于，所述中心区设有检测窗口，所述表盘还包括设于所述壳体内部的光体积扫描器，所述光体积扫描器用于通过所述检测窗口检测用户心率。
  14. 如权利要求2所述的可穿戴设备，其特征在于，所述表带包括相对设置的内侧和外侧，所述内侧用于接触所述第一佩戴位置，所述内电极设于所述内侧，所述外电极设于所述外侧，所述表带上设有第二柔性电路板，所述内电极和所述外电极通过所述第二柔性电路板电连接至所述电路板。
  15. 如权利要求14所述的可穿戴设备，其特征在于，所述第二柔性电路板设于所述表带的内部，所述外电极和所述内电极分别固定在所述第二柔性电路板的相对两侧。
  16. 如权利要求1～15任一项所述的可穿戴设备，其特征在于，所述可穿戴设备还包括固定带、连接头及连接在所述固定带与所述连接头之间的线缆，所述检测电极设于所述固定带，所述固定带用于将所述检测电极固定于所述第二佩戴位置，所述连接头可拆卸连接所述主体。
  17. 如权利要求16所述的可穿戴设备，其特征在于，所述可穿戴设备还包括固定于所述固定带的温度检测电极，所述温度检测电极通过所述线缆电连接至所述连接头。
  18. 如权利要求16或17所述的可穿戴设备，其特征在于，所述连接头为插头，所述主体上设有电连接所述心电采集电路的插座，所述插头可拆卸连接于所述插座。
  19. 如权利要求18所述的可穿戴设备，其特征在于，所述插座设有插孔，所述插孔的孔壁上设有弹片，所述弹片用于卡紧插入所述插孔的插头。
  20. 如权利要求16或17所述的可穿戴设备，其特征在于，所述连接头为磁性吸头，所述磁性吸头可拆卸地吸附至所述外电极。
  21. 如权利要求16～18任一项所述的可穿戴设备，其特征在于，所述可穿戴设备还包括固定带，所述检测电极设于所述固定带的内侧，用于通过所述固定带将所述检测电极固定于所述第二佩戴位置。
  22. 如权利要求19所述的可穿戴设备，其特征在于，所述可穿戴设备还包括固定于所述固定带的温度检测电极，所述温度检测电极通过所述线缆电连接至所述插头。
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