WO2021098589A1 - Dispositif à porter sur soi et bande associée - Google Patents

Dispositif à porter sur soi et bande associée Download PDF

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Publication number
WO2021098589A1
WO2021098589A1 PCT/CN2020/128489 CN2020128489W WO2021098589A1 WO 2021098589 A1 WO2021098589 A1 WO 2021098589A1 CN 2020128489 W CN2020128489 W CN 2020128489W WO 2021098589 A1 WO2021098589 A1 WO 2021098589A1
Authority
WO
WIPO (PCT)
Prior art keywords
strap
electronic device
conductive layer
user
electrically connected
Prior art date
Application number
PCT/CN2020/128489
Other languages
English (en)
Chinese (zh)
Inventor
薛跃各
Original Assignee
Oppo广东移动通信有限公司
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 Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Publication of WO2021098589A1 publication Critical patent/WO2021098589A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
    • 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
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/251—Means for maintaining electrode contact with the body
    • A61B5/256—Wearable electrodes, e.g. having straps or bands
    • 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
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/271—Arrangements of electrodes with cords, cables or leads, e.g. single leads or patient cord assemblies
    • 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
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
    • A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—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
    • A61B5/24—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]
    • A61B5/321—Accessories or supplementary instruments therefor, e.g. cord hangers
    • 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
    • A61B5/68—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
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member

Definitions

  • the present invention relates to the technical field of wearable devices, in particular to a wearable device and a strap thereof.
  • Wearable devices such as smart watches can be equipped with an ECG (Electrocardiogram, electrocardiogram) module.
  • ECG Electrocardiogram, electrocardiogram
  • the surface of the dial used to contact the wrist skin is provided with an exposed conductive coating to serve as the detection electrode of the ECG module.
  • the conductive coating extends to the inside of the smart watch. It is connected to the circuit board, and the contact area between the conductive coating and the skin is small, and the reliability of the electrical contact is difficult to guarantee.
  • a kind of strap including:
  • a strap, one end of the strap can be connected to an electronic device
  • the conductive layer is provided on the surface of the strap, and when the strap is connected to the electronic device, the conductive layer is connected to the electronic device; the strap can wear the electronic device to the user.
  • the conductive layer is connected to the user's body, and the electronic device can measure the user's electrocardiogram through the conductive layer.
  • a wearable device including:
  • Electronic equipment including detection electrodes;
  • the strap includes a strap body and a conductive layer provided on the surface of the strap body.
  • One end of the strap body is connected to the electronic device, and the conductive layer is connected to the electronic device; the strap can connect
  • the electronic device is worn on the user's body so that the conductive layer is connected to the user's body.
  • the electronic device can pass through the The detection electrode and the conductive layer measure the user's electrocardiogram.
  • a wearable device including:
  • the electronic device includes a detection electrode and an electrocardiogram sensor, the detection electrode is electrically connected to the electrocardiogram sensor; and
  • the strap includes a strap body and a conductive layer provided on the surface of the strap body, one end of the strap body is connected to the electronic device, and the conductive layer is electrically connected to the electrocardiogram sensor; the strap is used When the electronic device is worn on the user's body so that the conductive layer is attached to the user's body, the electronic device measures the user's electrocardiogram through the detection electrode, the electrocardiogram sensor and the conductive layer.
  • Figure 1 is a front view of the wearable device of this application.
  • Figure 2 is a front view of the wearable device shown in Figure 1 with some parts removed;
  • Figure 3 is a cross-sectional view of the wearable device shown in Figure 2;
  • Fig. 4 is an enlarged schematic diagram of the A part of the wearable device shown in Fig. 3;
  • Fig. 5 is a cross-sectional view of the electrical connection structure of the wearable device shown in Fig. 4.
  • the wearable device 10 includes an electronic device 100 and a strap 200, the strap 200 is installed on the electronic device 100, and the strap 200 is configured to be able to wear the electronic device 100 to the arm of a user.
  • the electronic device 100 includes a housing 110 and electronic components such as a circuit board 120 and a battery arranged in the housing 110.
  • the housing 110 is provided with an installation cavity, and the electronic components such as the circuit board 120 and the battery are arranged in the installation cavity.
  • the housing 110 may further include a middle frame 111, a face cover 113, and a back cover (not shown).
  • the face cover 113 and the back cover are respectively disposed at opposite ends of the middle frame 111 and respectively cover the two end openings of the installation cavity.
  • the middle frame 111 may be made of non-metallic materials such as plastic, rubber, silica gel, wood, ceramic, or glass, and the middle frame 111 may also be made of metal materials such as stainless steel, aluminum alloy, or magnesium alloy.
  • the material of the back cover can be the same as or different from the middle frame 111.
  • the middle frame 111 can be integrally formed with the back cover, and the face cover 113 is an independent component.
  • the material of the face cover 113 can be glass or sapphire, so that the face cover 113 has a higher light transmittance and the face cover 113 has better scratch resistance.
  • the wearable device 10 is a smart watch, and the mounting cavity can be used to install electronic components such as a battery, a circuit board 120, a display screen 130, and a biosensor.
  • the circuit board 120 can integrate a processor, a storage unit, a communication module, etc.
  • Electronic components, the battery can supply power to the circuit board 120, the display screen 130 and other electronic components.
  • the display screen 130 is not necessary.
  • the face cover 113 may be omitted, or the material of the face cover 113 may be the same as the middle frame 111 and be integrally formed with the middle frame 111.
  • the biosensor can be used to detect biological data such as heart rate, respiration rate, blood pressure, or body fat.
  • the circuit board 120 integrates an electrocardiogram sensor to obtain the user's electrocardiogram data.
  • the biosensor can also be used to detect the state of motion, for example, for step counting.
  • the wearable device 10 may be a sports watch or a conventional watch, etc.
  • the common form of the sports watch is an electronic watch
  • the common form of the conventional watch is a mechanical watch.
  • the wearable device 10 may also be a smart bracelet or the like.
  • the housing 110 is roughly rectangular, and the four corners of the rectangle can be chamfered into a circular arc transition, so that the wearable device 10 has better appearance characteristics.
  • a card slot is provided on the side of the housing 110 for installing the strap 200. In some embodiments, all the card slots are located in the middle frame 111. In other embodiments, a part of the card slot may be located in the middle frame 111, and the other part may be located in the back cover. Of course, the card slot can also extend to the face cover 113 without extending to the rear cover. 1 and 2, the strap 200 has a strip shape, can be installed in the housing 110 from a card slot and can form a reliable connection with the housing 110, so that the electronic device 100 can be reliably worn to the user's arm.
  • the strap 200 can also be easily detached from the housing 110, so that the user can easily replace the strap 200.
  • the strap 200 is divided into two sections.
  • the opposite ends of the electronic device 100 are provided with card slots.
  • the two straps 200 each have one end connected to the electronic device 100.
  • the two straps 200 face away from the electronic device.
  • One end of the device 100 may be buckled together to form a receiving space, so that the wearable device 10 can be worn to the user's arm through the strap 200.
  • the strap 200 can be a one-piece structure, and the two ends of the strap 200 are connected to the electronic device 100 respectively.
  • the strap 200 can be adjusted by other structures such as buckles, buckles, elastic expansion, etc.
  • the size of the containment space is convenient for users to wear.
  • This application takes one of the two-stage strap 200 as an example for description, but it is understandable that the structure disclosed in this application is also applicable to other strap 200 forms.
  • the electronic device 100 includes detection electrodes, which are exposed to the middle frame 111 and are electrically connected to the electrocardiogram sensor, so that the user can touch the detection electrodes.
  • the middle frame 111 is provided with a button that can perform an input function. For example, pressing the button can adjust the volume of the electronic device 100, or perform a screen lock/unlock function, or perform a selection function.
  • the button can be a mechanical pressing type structure or a touch type structure.
  • the material of the button is metal, and the button can be electrically connected with the electrocardiogram sensor to use the button as a detection electrode.
  • the keys can be made of non-metallic materials, the surface of the keys is plated with a metal layer, and the metal layer on the surface of the keys is electrically connected to the ECG sensor, and the metal layer on the surface of the keys can be used as detection electrodes.
  • the middle frame 111 may be provided with a crown, and the crown can rotate relative to the middle frame 111 to perform an input function.
  • the crown can be used as a detection electrode.
  • the surface of the crown can be plated with a metal layer to use the metal layer as a detection electrode.
  • the detection electrode does not need to be provided on the button or the crown, and the detection electrode is exposed to the middle frame 111 for the user to touch.
  • electrode patches can be provided on the surface of the middle frame 111, and the electrode patches can be used as detection electrodes. .
  • the strap 200 includes a strap body 210 and a conductive layer 220 provided on the surface of the strap body 210.
  • the strap body 210 can be made of a polymer material such as plastic, silicone, rubber, or leather.
  • the strap body 210 has a certain It is flexible, so that the strap 210 can bend and deform and be close to the user's skin during the wearing process of the wearable device 10.
  • the conductive layer 220 is a metal plating layer.
  • the conductive layer 220 can be formed on the surface of the belt body 210 by an electroplating process, and the conductive layer 220 can also be formed on the surface of the belt body 210 by a process such as printing and coating.
  • One end of the strap 210 is fixedly connected to the electronic device 100, and the conductive layer 220 is electrically connected to the electrocardiogram sensor.
  • the electronic device 100 is worn on one hand of the user so that the conductive layer 220 is attached to the user’s skin, the user’s other hand can be attached to the detection electrode, so that the detection electrode, the electrocardiogram sensor, and the conductive layer 220 are in contact with the user’s skin.
  • the body forms a detection loop, so that the user's ECG data can be obtained.
  • the electronic device 100 can be worn on other parts of the user's body, such as the feet or head, so that the conductive layer 220 is connected to the user's body.
  • the detection electrodes, the electrocardiogram sensor, and the conductive layer 220 can also form a detection loop with the user's body to obtain the user's electrocardiogram data.
  • the strap 210 includes a first side surface 211 and a second side surface 213 disposed opposite to each other.
  • the second side surface 213 faces the user's skin
  • the conductive layer 220 covers part or all of the second side surface 213.
  • the conductive layer 220 may cover a partial area of the second side surface 213, and the conductive layer 220 may also cover the entire second side surface 213. Since the belt body 210 has a relatively large surface area, the conductive layer 220 can also be set to have a relatively large surface area, so that the conductive layer 220 can make more reliable contact with the user's skin to ensure the reliability of electrical contact, and Maintain the stability of signal transmission during the ECG measurement.
  • the strap body 210 may be provided with electrical connectors such as wires, coaxial wires, etc., the electrical connectors are electrically connected to the conductive layer 220, and the electrical connectors extend to the end of the strap body 210 and are in contact with the electronic device 100. Then it is electrically connected with the electrocardiogram sensor.
  • This arrangement can ensure the reliability of the electrical connection between the conductive layer 220 and the electronic device 100, so as to ensure the reliability of the electrocardiogram sensor detection.
  • the conductive layer 220 covers the entire outer surface of the band 210, and the conductive layer 220 at the end of the band 210 is in contact with the electronic device 100 and conducts. In this embodiment, the conductive layer 220 is easier to process and shape.
  • all the belt body 210 may be immersed in the electrolyte, and the entire surface of the belt body 210 may be plated with a metal layer.
  • other processes can be used to form the conductive layer 220 on the entire outer surface of the belt body 210.
  • the conductive layer 220 is electrically connected to the ECG sensor, and the electronic device 100 is worn on one hand of the user to make the conductive layer 220 fit the user’s skin Later, the user's other hand can be attached to the detection electrode, so that the detection electrode, the electrocardiogram sensor, the conductive layer 220 and the user's body form a detection loop to obtain the user's electrocardiogram data. Since the strap 200 has a relatively large surface area, the conductive layer 220 can form a relatively large contact area for fitting with the user’s skin, thereby ensuring the reliability of electrical contact and facilitating the ECG sensor to obtain more accurate information. data.
  • the wearable device 10 includes another strap, the strap 200 and the other strap are respectively connected to opposite ends of the electronic device 100, and the other strap includes electrical connection with the electrocardiogram sensor. ⁇ drive electrode.
  • the driving electrode is connected to the user's body to serve as a ground reference.
  • the structure of the other strap may be similar to that of the strap 200.
  • the other strap may also include a strap body 210 and a conductive layer 220.
  • the conductive layer 220 is used as a driving electrode so that the driving electrode can be reliably attached to it.
  • the driving electrode can enhance the anti-interference ability of the ECG detection circuit to improve the reliability of the ECG measurement.
  • the driving electrode may be provided on the back side of the electronic device 100 and connected to the user's body when the electronic device 100 is worn on the user's body.
  • the driving electrode may have other structural forms, for example, the driving electrode may be a metal patch structure.
  • the electronic device 100 includes an electrical connection structure 140.
  • the electrical connection structure 140 is connected to the middle frame 111 and electrically connected to the circuit board 120.
  • the strap 200 is fixedly connected to the middle frame 111 and pressed against the piezoelectric connection structure 140 to
  • the conductive layer 220 is connected to the electrical connection structure 140.
  • the electrical connection structure 140 includes an elastic piece 141, a sleeve 143, an elastic member 145, and a connection terminal 147.
  • the sleeve 143 is cylindrical, and the material is metal or plated with a metal layer.
  • the sleeve 143 A cavity 142 is provided to cover the connecting terminal 147 and the elastic member 145.
  • the elastic member 145 abuts the sleeve 143, the other end of the elastic member 145 abuts the connecting terminal 147, the elastic piece 141 abuts the sleeve 143 and is electrically connected to the connecting terminal 147 through the sleeve 143 or the elastic piece 145, and the elastic piece 141 is electrically connected to the connecting terminal 147.
  • the circuit board 120 is electrically connected, and the strap 200 presses the connection terminal 147 to make the conductive layer 220 and the connection terminal 147 conduct.
  • the elastic member 145 may be a spring structure or an elastic sheet structure, and is made of a metal material.
  • the elastic member 145 may be used to realize the electrical connection between the circuit board 120 and the connection terminal 147.
  • the elastic member 145 may have an elastic column structure and may be made of non-metallic materials, and the elastic piece 141 may be electrically connected to the connection terminal 147 through the sleeve 143.
  • the arrangement of the elastic member 145 and the sleeve 143 facilitates the assembly of the connecting terminal 147 and the middle frame 111, and can easily realize the electrical connection between the circuit board 120 and the connecting terminal 147, and the elastic member 145 can also accumulate elastic force. In this way, the connecting terminal 147 can press against the conductive layer 220 or the electrical connection body of the strap 200, thereby ensuring the reliability of the electrical connection between the connecting terminal 147 and the conductive layer 220 of the strap 200.
  • the elastic piece 141 includes a resisting portion 141a, a connecting portion 141b, and a bending portion 141c connected between the resisting portion 141a and the connecting portion 141b.
  • the connecting portion 141b is electrically connected to the circuit board 120, and is bent
  • the folding portion 141c accumulates elastic potential energy to make the resisting portion 141a abut the sleeve 143. This arrangement can ensure the reliability of the contact between the elastic piece 141 and the sleeve 143, thereby ensuring the reliability of the electrical connection between the elastic piece 141 and the sleeve 143. Further, referring to FIG.
  • the connecting terminal 147 includes a body 147a and a boss 147b integrally formed in the circumferential direction of the body 147a, the elastic member 145 abuts the boss 147b, the sleeve 143 is provided with an opening 144 communicating with the cavity 142, and the body 147a
  • the cavity 142 extends from the opening 144, the boss 147 b is accommodated in the cavity 142 and the width of the boss 147 b is greater than the width of the opening 144. This arrangement can prevent the connection terminal 147 from easily coming out of the sleeve 143.
  • the contact between the boss 147 b and the sleeve 143 can also be used to realize the electrical connection between the sleeve 143 and the connection terminal 147.
  • a sealing ring may be provided on the outer periphery of the sleeve 143 to seal the gap between the sleeve 143 and the middle frame 111 to improve the waterproof and dustproof performance of the electronic device 100.
  • the sleeve 143 may be fixedly connected to the middle frame 111 in an interference fit manner to seal the gap between the sleeve 143 and the middle frame 111, thereby improving the waterproof and dustproof performance of the electronic device 100.
  • the sleeve 143 may be closed at the end contacting the elastic piece 141, so that the installation cavity of the electronic device 100 is blocked by the sleeve 143, thereby improving the waterproof and dustproof performance of the electronic device 100.
  • the arrangement of the sleeve 143 and the elastic member 145 is not necessary, and the connecting terminal 147 may be directly electrically connected to the elastic piece 141, or other structures may be used to achieve electrical connection with the circuit board 120.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Cardiology (AREA)
  • Physiology (AREA)
  • Pulmonology (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)

Abstract

L'invention concerne une bande (200), la bande (200) comprenant un corps de bande (210) et une couche conductrice (220). Une extrémité du corps de bande (210) peut être utilisée pour être connectée à un dispositif électronique (100). La couche conductrice (220) est disposée sur la surface du corps de bande (210) et, lorsque le corps de bande (210) est connecté au dispositif électronique (100), la couche conductrice (220) est électriquement connectée au dispositif électronique (100). La bande (200) permet au dispositif électronique (100) d'être porté sur le corps d'un utilisateur, de sorte que la couche conductrice (220) est électriquement connectée au corps de l'utilisateur, et le dispositif électronique (100) peut mesurer l'électrocardiogramme de l'utilisateur au moyen de la couche conductrice (220).
PCT/CN2020/128489 2019-11-21 2020-11-13 Dispositif à porter sur soi et bande associée WO2021098589A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201911146192.6A CN112823744A (zh) 2019-11-21 2019-11-21 可穿戴设备及其绑带
CN201911146192.6 2019-11-21

Publications (1)

Publication Number Publication Date
WO2021098589A1 true WO2021098589A1 (fr) 2021-05-27

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Application Number Title Priority Date Filing Date
PCT/CN2020/128489 WO2021098589A1 (fr) 2019-11-21 2020-11-13 Dispositif à porter sur soi et bande associée

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CN (1) CN112823744A (fr)
WO (1) WO2021098589A1 (fr)

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CN110123311A (zh) * 2019-05-23 2019-08-16 歌尔科技有限公司 可穿戴设备及其心电检测配件

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