WO2024131506A1 - Structure de sac d'air et dispositif portable intelligent - Google Patents

Structure de sac d'air et dispositif portable intelligent Download PDF

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Publication number
WO2024131506A1
WO2024131506A1 PCT/CN2023/135979 CN2023135979W WO2024131506A1 WO 2024131506 A1 WO2024131506 A1 WO 2024131506A1 CN 2023135979 W CN2023135979 W CN 2023135979W WO 2024131506 A1 WO2024131506 A1 WO 2024131506A1
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WO
WIPO (PCT)
Prior art keywords
airbag
conductive
membrane
bonding area
electrically connected
Prior art date
Application number
PCT/CN2023/135979
Other languages
English (en)
Chinese (zh)
Inventor
王攸华
靳俊叶
张泽
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
Publication of WO2024131506A1 publication Critical patent/WO2024131506A1/fr

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Classifications

    • 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
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0073—Shielding materials
    • H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
    • H05K9/009—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising electro-conductive fibres, e.g. metal fibres, carbon fibres, metallised textile fibres, electro-conductive mesh, woven, non-woven mat, fleece, cross-linked
    • 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
    • A61B5/021—Measuring pressure in heart or blood vessels
    • 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
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A61B5/02108—Measuring pressure in heart or blood vessels from analysis of pulse wave characteristics
    • 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
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A61B5/02141—Details of apparatus construction, e.g. pump units or housings therefor, cuff pressurising systems, arrangements of fluid conduits or circuits
    • 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
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
    • A61B5/0225—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers the pressure being controlled by electric signals, e.g. derived from Korotkoff sounds
    • 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
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields

Definitions

  • the present application relates to the technical field of smart wearable devices, and in particular to an airbag structure and a smart wearable device using the airbag structure.
  • wearable device technology With the development of wearable device technology, convenient wearable devices have been widely used in people's daily lives.
  • the functions of wearable devices currently on the market include exercise monitoring, sleep tracking, vibration wake-up, etc.
  • Some wearable devices can effectively measure and evaluate key human signs, such as heart rate, blood oxygen, blood pressure, etc.
  • the currently used wearable sphygmomanometer or blood pressure meter generally includes a watch core, a watch strap, an air bag, an air pump and an air pressure sensor.
  • the air bag and the watch strap can be put on the wrist, and the air pump and the air pressure sensor are both set in the watch core.
  • the air pump inflates and deflates the air bag to compress the blood vessels, and the air pressure sensor senses the change in the air bag volume, thereby indirectly obtaining the change in the pulse wave.
  • the current blood pressure measurement accuracy of such sphygmomanometers or blood pressure meters is low.
  • an airbag structure for measuring blood pressure which has a simple structure and can improve the accuracy of blood pressure measurement.
  • the embodiments of the present application also provide a smart wearable device using the airbag structure.
  • a first aspect of an embodiment of the present application provides an airbag structure for blood pressure measurement, the airbag structure comprising: a first airbag and a sensor assembly, the first airbag having a first airbag cavity, a first conductive network being arranged in the side wall of the first airbag; the sensor assembly is located on the inner wall of the first airbag and accommodated in the first airbag cavity, wherein the sensor assembly is used to be electrically connected to the surface of a smart wearable device to collect pulse waves, and the first conductive network is used to be electrically connected to the ground terminal of the surface body to shield external electromagnetic waves.
  • the sensor component can directly collect the human body's pulse wave and then directly obtain the blood pressure measurement result, which has the beneficial effects of high measurement accuracy and easy use; in addition, by embedding the first conductive network in the side wall of the first airbag and forming a structure similar to a Faraday cage, it can shield external electromagnetic waves, thereby effectively reducing the electromagnetic interference of external electromagnetic waves on the sensor component, so as to ensure the normal use of the sensor component and improve the accuracy of blood pressure measurement.
  • the first airbag includes a first airbag membrane and a second airbag membrane stacked along the thickness direction, the periphery of the first airbag membrane is connected to the periphery of the second airbag membrane so that the first airbag membrane and the second airbag membrane enclose the first airbag cavity, and the first conductive network is arranged in the side walls of the first airbag membrane and the second airbag membrane.
  • the first airbag is formed by interconnecting the first airbag membrane and the second airbag membrane.
  • the first airbag membrane and the second airbag membrane are simple to form, easy to assemble, and can be mass-produced, which is beneficial to improving production efficiency and yield.
  • the first airbag membrane includes a first elastic layer and a first conductive mesh arranged in the first elastic layer
  • the second airbag membrane includes a second elastic layer and a second conductive mesh arranged in the second elastic layer
  • the periphery of the first elastic layer and the periphery of the second elastic layer are connected to each other to form a first airbag cavity
  • the periphery of the first conductive mesh is electrically connected to the periphery of the second conductive mesh to form the first conductive network.
  • the structural design of the first airbag and the molding are facilitated. It is also convenient for embedding the first conductive mesh and the second conductive mesh, as well as for embedding the sensor component.
  • the periphery of the first elastic layer has a first elastic bonding area; the periphery of the second elastic layer has a second elastic bonding area, and the first elastic bonding area and the second elastic bonding area are bonded to each other.
  • the first conductive mesh and the second conductive mesh can be easily embedded, thereby improving molding efficiency and yield.
  • the first elastic bonding area and the second elastic bonding area are connected together by welding, so that the first elastic layer and the second elastic layer form an integrated structure.
  • the bonding strength between the first elastic layer and the second elastic layer can be improved, reducing the risk of air leakage in the first airbag cavity during repeated inflation and deflation, thereby improving the airtightness of the first airbag cavity and the service life of the airbag structure.
  • the periphery of the first conductive mesh has a first conductive bonding area, and the first conductive bonding area is exposed in the first elastic layer; the periphery of the second conductive mesh has a second conductive bonding area, and the second conductive bonding area is exposed in the second elastic layer, wherein the first conductive bonding area and the second conductive bonding area are interconnected and electrically conductive.
  • the first conductive bonding area and the second conductive bonding area are further bonded together and electrically connected, so that the molding is more convenient and the molding difficulty of the first airbag is reduced.
  • the first conductive mesh and the second conductive mesh have a certain stiffness, by bonding the edges of the first conductive mesh and the second conductive mesh together, during the inflation and deflation process, the bonded edges are less affected by the expansion force, which is conducive to reducing the risk of the first conductive mesh and the second conductive mesh being detached in the bonding area, thereby improving the reliability of the connection between the first airbag membrane and the second airbag membrane.
  • the first conductive bonding area and the second conductive bonding area are electrically connected via a conductive bonding layer.
  • the first conductive bonding area is electrically connected to the second conductive bonding area through a conductive bonding layer, such as conductive glue, solder, etc.
  • a conductive bonding layer such as conductive glue, solder, etc.
  • the first conductive mesh and the second conductive mesh are both made of a conductive fiber sheet
  • the conductive fiber sheet includes at least one layer of conductive fiber mesh
  • each layer of the conductive fiber mesh includes a plurality of conductive fibers woven together.
  • the conductive fiber sheet is conductive and has a certain tensile elasticity.
  • the conductive fiber sheet can expand and contract appropriately to match the shape change of the first airbag.
  • the first conductive network and the second conductive network will not be pulled apart and the circuit will not be broken, thereby ensuring the electromagnetic shielding effect of the first conductive network.
  • the tightness of the conductive fiber mesh can be adjusted by controlling the length of the conductive fibers, thereby adjusting the elasticity of the conductive fiber sheet; the first conductive network formed by the conductive fiber mesh can form a structure similar to a Faraday cage to improve the electromagnetic shielding effect, and the fiber mesh structure is beneficial to reducing the weight of the airbag structure.
  • each of the conductive fibers has a meandering structure.
  • the conductive fibers have a serpentine structure, which can increase the elasticity of the woven conductive fiber mesh.
  • the serpentine conductive fibers can deform synchronously with the deformation of the first airbag (such as bending, stretching, etc.), thereby protecting the first conductive network from mechanical damage, while also ensuring the stability of the electrical connection of the first conductive network.
  • the conductive fiber is a composite fiber composed of a first fiber and a second fiber, the first fiber is conductive, and the second fiber has a tensile strength greater than that of the first fiber.
  • the tensile strength of the first conductive mesh and the second conductive mesh can be increased during the inflation and deflation process of the first airbag, thereby improving the reliability of the airbag structure.
  • the conductive fiber sheet further includes at least one layer of fiber cloth, and the at least one layer of conductive fiber mesh and the at least one layer of fiber cloth are stacked.
  • the tensile strength of the conductive fiber sheet can be improved, thereby further improving the mechanical strength of the first conductive mesh and the second conductive mesh, and further improving the reliability of the airbag structure.
  • the airbag structure also includes a second airbag stacked with the first airbag along the thickness direction, the second airbag is located on the side of the second airbag membrane away from the first airbag membrane, the second airbag has a second airbag cavity, and the second airbag cavity is connected to the first airbag cavity.
  • the width of a single airbag can be reduced; the first airbag and the second airbag are stacked in a direction perpendicular to the wrist, so that the airbag structure can be expanded higher, the pressure is greater, and the artery can be better compressed. blood vessels, thereby improving the accuracy of blood pressure measurement.
  • a second conductive network is provided in the side wall of the second airbag, and the second conductive network is electrically connected to the first conductive network.
  • the second airbag includes a third airbag membrane and a fourth airbag membrane, the periphery of the third airbag membrane and the periphery of the fourth airbag membrane are interconnected so that the third airbag membrane and the fourth airbag membrane form the second airbag cavity, the third airbag membrane is located on the side of the second airbag membrane away from the first airbag cavity, and is interconnected with the second airbag membrane, and the second conductive network is arranged in the side walls of the first airbag membrane and the second airbag membrane.
  • the second airbag is configured as a third airbag membrane and a fourth airbag membrane that are connected to each other, which is convenient for molding and also convenient for the overlapping connection and mutual communication of the second airbag and the first airbag; in addition, the structure of the third airbag membrane and the fourth airbag membrane can be the same as that of the first airbag membrane and the second airbag membrane, so that mass production can be achieved, and then the first airbag and the second airbag are formed by mutual bonding, with high molding efficiency and high yield.
  • At least one conducting hole is provided through the second airbag membrane and the third airbag membrane, and the first airbag cavity and the second airbag cavity are connected through the at least one conducting hole.
  • connection method is simple and convenient for assembly operation.
  • the first conductive network and the second conductive network are both exposed in the same conductive hole, and the inner wall of the conductive hole where the first conductive network and the second conductive network are exposed is provided with a conductive film, and the conductive film is electrically connected to the first conductive network and the second conductive network, respectively.
  • the conducting hole and the conductive film By providing the conducting hole and the conductive film, on the one hand, the air path between the first airbag cavity and the second airbag cavity is connected, and on the other hand, the electrical connection between the first conductive network and the second conductive network is facilitated.
  • the third airbag membrane includes a third elastic layer and a third conductive mesh located in the third elastic layer
  • the fourth airbag membrane includes a fourth elastic layer and a fourth conductive mesh located in the fourth elastic layer
  • the periphery of the third elastic layer is connected to the periphery of the fourth elastic layer to form the second airbag cavity
  • the third conductive mesh is electrically connected to the fourth conductive mesh to form the second conductive network
  • the third elastic layer is also connected to the second elastic layer
  • the third conductive mesh is also electrically connected to the second conductive mesh.
  • the stacking connection of the first airbag and the second airbag is facilitated, and the electrical connection of the first conductive network with the second conductive network is facilitated, so as to facilitate the assembly of the first airbag and the second airbag.
  • the middle portion of the second elastic layer has a first middle bonding area
  • the third elastic layer has a second middle bonding area in the middle, the second middle bonding area is connected to the first middle bonding area, and the through hole runs through the first middle bonding area and the second middle bonding area.
  • the connection between the first elastic layer and the second elastic layer is facilitated, and the conductive holes are arranged in the first middle bonding area and the second middle bonding area, which is beneficial to improving the air tightness of the airbag structure and the stability of the electrical connection.
  • the first middle bonding area and the second middle bonding area are connected by welding.
  • the second elastic layer and the third elastic layer are welded to form an integrated structure, so as to enhance the bonding strength between the second elastic layer and the third elastic layer, thereby enhancing the air tightness of the first airbag cavity and the second airbag cavity and the service life of the airbag structure.
  • the second conductive net has at least one first central conductive bonding area corresponding to the first central bonding area, and each first central conductive bonding area is exposed in the first central bonding area;
  • the third conductive net has at least one second central conductive area corresponding to the second central bonding area, and each second central conductive bonding area is exposed in the second central bonding area, and the at least one first central conductive area corresponds to the at least one second central conductive area one by one and is electrically connected.
  • the second conductive network and the third conductive network can be directly electrically connected without setting a conductive film in the conductive hole, thereby reducing the difficulty of assembling the airbag structure and improving the stability of the electrical connection between the first central conductive area and the second central conductive area.
  • the airbag structure also includes at least one third airbag located between the first airbag and the second airbag, and each of the third airbags is connected to the first airbag and the second airbag and communicated with each other.
  • a multi-layer airbag structure By stacking the first airbag, the second airbag and the third airbag, a multi-layer airbag structure can be formed, which can further reduce the width of the airbag structure.
  • the degree of pressure is increased by increasing the pressure of the airbag structure in the direction perpendicular to the wrist, so as to improve the blood pressure measurement accuracy of smart wearable devices.
  • the airbag structure further includes an airbag mouth connected to the first airbag.
  • the airbag nozzle includes an airbag nozzle body, a first airbag nozzle conductive layer and a second airbag nozzle conductive layer arranged on the airbag nozzle body, the airbag nozzle body has an airbag nozzle through hole, the airbag nozzle through hole is connected to the first airbag cavity, the airbag nozzle body is connected to the side wall of the first airbag, the first airbag nozzle conductive layer is electrically connected to the first conductive network, the first airbag nozzle conductive layer is also used to be electrically connected to the ground terminal of the watch body so that the first conductive network is electrically connected to the ground terminal of the watch body; the second airbag nozzle conductive layer is electrically connected to the sensor assembly, and the second airbag nozzle conductive layer is also used to be electrically connected to the watch body so that the sensor assembly is electrically connected to the watch body.
  • the airbag structure can be connected to the surface of the smart wearable device through the airbag nozzle through hole on the airbag nozzle.
  • the first conductive layer of the airbag nozzle can be set to achieve electrical conduction between the first conductive network and the surface, thereby achieving grounding.
  • the second conductive layer of the airbag nozzle can be set to achieve electrical connection between the sensor component and the surface through the airbag nozzle.
  • the connection method is simple and easy to implement.
  • the end of the airbag nozzle through hole away from the first airbag is connected to a pipeline.
  • the airbag nozzle and the surface can be connected to the air path through a soft pipeline. At this time, the airbag nozzle can be used as an adapter.
  • the airbag nozzle body can be set shorter and has a higher hardness, which is convenient for installation and fixation on the first airbag.
  • the setting position of the first airbag and the airbag nozzle is relatively flexible, and the length of the pipeline can be adjusted according to the specific position of the airbag nozzle.
  • a wire is connected to the conductive layer of the airbag nozzle, and the wire is used to electrically connect to the surface of the smart wearable device.
  • the conductive layer of the airbag nozzle can be electrically connected to the ground terminal of the surface of the smart wearable device by setting a wire, thereby achieving conduction between the first conductive network and the surface, so as to achieve the purpose of shielding external electromagnetic interference.
  • the circuit connection method is simple and easy to operate.
  • the second airbag nozzle conductive layer is electrically connected to the sensor assembly through a first wire.
  • the first airbag nozzle conductive layer is electrically connected to the sensor assembly through a first wire, and the length of the first wire can be adjusted according to the actual distance between the airbag nozzle and the sensor assembly, so as to facilitate the connection operation.
  • the first conductive wire is woven into the first conductive network, and the first conductive wire is insulated from the first conductive network.
  • the first wire By weaving the first wire connecting the sensor assembly and the airbag nozzle into the first conductive network, the first wire will not be affected by the inflation and deflation of the first airbag cavity, thereby improving the connection stability of the first wire.
  • weaving the first wire into the first conductive network does not require a separate embedded wire, and the connection method is simple, making it easy to embed the first wire into the first elastic layer.
  • the first airbag membrane further includes an airbag membrane conductive portion, the first wire is electrically connected to the airbag membrane conductive portion, and the airbag membrane conductive portion is electrically connected to the sensor.
  • the airbag membrane conductive part By arranging the airbag membrane conductive part on the inner wall of the first airbag membrane, the electrical connection between the sensor component and the first wire is facilitated.
  • the sensor assembly includes multiple functional components and a second wire connecting the multiple functional components. Furthermore, the length of the second wire between two adjacent functional components is greater than or equal to the distance between two adjacent functional components, for example, the second wire is winding.
  • a meandering second wire i.e., the length of the second wire between two adjacent functional components is greater than the distance between the two adjacent functional components.
  • the meandering second wire can deform synchronously with the deformation of the first airbag (such as bending, stretching, etc.), thereby protecting the various functional components in the sensor assembly from mechanical damage, while also ensuring the stability of the electrical connection between the various functional components.
  • the multiple functional components include a sensor array, an analog processing unit and an A/D conversion unit, and the sensor array, the analog processing unit and the A/D conversion unit are electrically connected to each other through the second wire.
  • the meter body and the sensor assembly can interact through the digital signal, which can ensure the stability of the signal.
  • the pulse wave of the artery can be synchronously collected through the sensor array composed of multiple sensors to obtain a stronger pulse wave, which can further improve the accuracy of blood pressure measurement.
  • a second aspect of an embodiment of the present application provides a smart wearable device, which includes a watch body, a watch strap and an airbag structure.
  • the airbag structure is the airbag structure described in the first aspect of the embodiment of the present application.
  • the watch strap is connected to the side of the second airbag membrane facing away from the first airbag membrane.
  • the first airbag cavity is connected to the watch body, and the sensor assembly is electrically connected to the watch body.
  • the airbag structure is in a long strip shape, the length of the airbag structure is L1, and the The circumference of the strap is L, then L ⁇ L1 ⁇ 0.5L.
  • the length of the airbag structure By setting the length of the airbag structure to be at least half of the strap, it can cover at least half of the wrist, thereby increasing the contact area between the airbag structure and the wrist, so that the airbag structure can fully cover the part of the wrist where the artery exists after inflation. In this way, the sensor component can directly collect the pulse wave of the artery more accurately, thereby improving the accuracy of blood pressure measurement.
  • the airbag structure includes the airbag nozzle
  • the airbag nozzle includes the first airbag nozzle conductive layer and the second airbag nozzle conductive layer
  • the first conductive network is electrically connected to the ground terminal of the watch body through the first airbag nozzle conductive layer to shield external electromagnetic waves
  • the sensor assembly is electrically connected to the watch body through the second airbag nozzle conductive layer to collect pulse waves.
  • the first conductive network can be electrically connected to the watch body, thereby achieving grounding.
  • the sensor component can be electrically connected to the watch body through the airbag nozzle.
  • the connection method is simple and easy to implement.
  • the sensor assembly is electrically connected to the watch body through the watch strap.
  • the sensor component in the airbag structure is electrically connected to the watch strap to achieve interaction between the watch body and the sensor component.
  • the airbag structure does not need to be electrically connected to the watch body through the airbag nozzle, which increases the interaction methods between the airbag structure and the watch body.
  • the specific interaction method can be selected according to the actual application to reduce the complexity of the structure and the difficulty of assembly.
  • the watch strap includes a watch strap adhesive area and a first watch strap conductive adhesive area, the watch strap adhesive area is connected to the outer wall of the airbag structure, and the first watch strap conductive adhesive area is electrically connected to the sensor assembly and the watch body respectively.
  • the sensor component in the airbag structure is electrically connected to the watch body through the watch strap.
  • the sensor component is closer to the watch strap, which facilitates electrical connection.
  • the conductive adhesive area of the first strap is electrically connected to the sensor assembly via a third wire, and the third wire is disposed in the side wall of the airbag structure.
  • the third wire connecting the sensor assembly and the strap into the side wall of the airbag structure, it is convenient to hide the third wire, thereby improving the aesthetics of the smart wearable device.
  • the stability of the electrical connection is also improved, thereby avoiding unstable electrical connection during the inflation and deflation of the airbag structure, which affects the normal use of the smart wearable device.
  • FIG. 1 is a schematic diagram of the structure of a smart wearable device provided in an embodiment of the present application.
  • FIG. 2 is a schematic diagram of the structure after the strap and airbag structure in FIG. 1 are flattened.
  • Fig. 3 is a schematic diagram of the cross-sectional structure along A-A in Fig. 2.
  • FIG. 4 is an enlarged structural schematic diagram of part A in FIG. 3 .
  • FIG. 5 is a schematic structural diagram of the first elastic bonding area in the first airbag membrane in FIG. 3 .
  • FIG. 6 is a schematic structural diagram of a second elastic bonding area in the second airbag membrane in FIG. 3 .
  • FIG. 7 is a schematic structural diagram of a first elastic bonding area in a first airbag film according to another embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a second elastic bonding area in a second airbag membrane according to another embodiment of the present application.
  • FIG. 9 is a schematic diagram of the structure of a conductive fiber sheet provided in one embodiment of the present application.
  • FIG. 10 is a schematic diagram of the structure of a conductive fiber sheet provided in another embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of a conductive fiber sheet provided in yet another embodiment of the present application.
  • Fig. 12 is a schematic diagram of the cross-sectional structure along B-B in Fig. 2 .
  • FIG. 13 is a structural block diagram of the electrical connection between the sensor assembly and the meter body in FIG. 1 .
  • FIG. 14 is a schematic diagram of the structure in which the wires connecting the sensor assembly and the airbag nozzle in FIG. 3 are woven into the first conductive network.
  • FIG. 15 is a schematic diagram of the structure of the sensor assembly after the airbag structure is deflated in one embodiment of the present application.
  • FIG. 16 is a schematic diagram of the structure of the sensor assembly after the airbag structure is inflated in one embodiment of the present application.
  • FIG. 17 is a schematic diagram of electrical connection between a sensor assembly and a meter body provided in an embodiment of the present application.
  • FIG18 is a schematic diagram of the structure of a smart wearable device provided in another embodiment of the present application.
  • FIG. 19 is a schematic diagram of the structure of the second airbag membrane in FIG. 18 after being flattened.
  • FIG. 20 is a schematic diagram of the structure of the third airbag membrane in FIG. 18 after being flattened.
  • FIG. 21 is a schematic diagram of the structure of a second airbag membrane after being flattened provided in another embodiment of the present application.
  • FIG. 22 is a schematic diagram of the structure of a third airbag membrane after being flattened provided in another embodiment of the present application.
  • FIG. 23 is a cross-sectional view of the airbag structure composed of the second airbag membrane of FIG. 21 and the third airbag membrane of FIG. 22 at the through hole.
  • FIG. 24 is a cross-sectional view of the airbag structure composed of the second airbag film of FIG. 21 and the third airbag film of FIG. 22 at the conductive bonding point.
  • FIG25 is a schematic diagram of the structure of a smart wearable device provided in another embodiment of the present application.
  • FIG. 26 is a structural block diagram of the electrical connection between the sensor assembly and the meter body in FIG. 25 .
  • FIG27 is a schematic diagram of the structure of a smart wearable device provided in yet another embodiment of the present application.
  • FIG28 is a schematic diagram of the structure of a smart wearable device provided in yet another embodiment of the present application.
  • FIG. 29 is a schematic diagram of the structure in which the wires connecting the sensor assembly and the strap in FIG. 28 are woven into the first conductive network and the second conductive network.
  • first”, second, etc. are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as “first”, “second”, etc. may explicitly or implicitly include one or more of the features.
  • plural means two or more. Positional terms such as “upper”, “lower”, “left”, and “right” are defined relative to the orientation of the components schematically placed in the accompanying drawings. It should be understood that these directional terms are relative concepts. They are used for description and clarification relative to the components, and may change accordingly according to changes in the orientation of the components placed in the accompanying drawings.
  • connection should be understood in a broad sense, for example, “connection” can be fixed connection, detachable connection, or integrated; can be directly connected or indirectly connected through an intermediate medium.
  • connection can be fixed connection, detachable connection, or integrated; can be directly connected or indirectly connected through an intermediate medium.
  • connection can be fixed connection, detachable connection, or integrated; can be directly connected or indirectly connected through an intermediate medium.
  • connection can be fixed connection, detachable connection, or integrated; can be directly connected or indirectly connected through an intermediate medium.
  • connection can be fixed connection, detachable connection, or integrated; can be directly connected or indirectly connected through an intermediate medium.
  • connection can be fixed connection, detachable connection, or integrated; can be directly connected or indirectly connected through an intermediate medium.
  • connection can be fixed connection, detachable connection, or integrated; can be directly connected or indirectly connected through an intermediate medium.
  • and/or used in this article includes any and all combinations of one or more related listed items.
  • the reason for the low measurement accuracy are mainly reflected in the following aspects: first, the tightness of the blood pressure monitor will affect the initial pressure of the airbag, which in turn affects the measurement accuracy; second, the measurement requires the airbag to have the ability to measure the initial pressure, so as to correct the measured value, and the accuracy of the correction will also affect the measurement accuracy; third, the pressure sensor is integrated in the watch body, away from the airbag, and the air pressure measured by the pressure sensor will be affected by the air pump and air resistance, thus affecting the measurement accuracy.
  • the embodiment of the present application provides an airbag structure applied to a smart wearable device, and the user can measure blood pressure through the smart wearable device carried by the user.
  • the wearable blood pressure measuring device can measure blood pressure by compressing the human artery by inflating and deflating the airbag structure.
  • the airbag structure provided in the embodiment of the present application can directly obtain the pulse wave of the human body, and then directly obtain the blood pressure measurement result, which has the beneficial effects of high measurement accuracy and easy use.
  • the user can wear the smart wearable device on the arm or wrist. This embodiment is explained by taking the example of wearing the smart wearable device on the user's wrist.
  • the smart wearable device 1000 provided in the embodiment of the present application includes a watch body 1100, a watch strap 1200 and an airbag structure 100.
  • the watch body 1100 and the watch strap 1200 are connected to each other, and the watch strap 1200 is arranged around the wrist, so that the watch body 1100 is worn on the wrist of the human body.
  • the airbag structure 100 is arranged on the side of the watch strap 1200 close to the wrist, and the airbag structure 100 is connected to the watch body 1100 by air circuit and electrically connected.
  • the watch body 1100 is used to realize the inflation and deflation control of the airbag structure 100, and is also used to control the sensor component inside the airbag structure 100 to realize blood pressure measurement.
  • the airbag structure 100 is used for blood pressure measurement, and can be in the shape of a long strip, and is arranged around the wrist of the human body, wherein the length extension direction X, the width extension direction Y, and the thickness extension direction Z of the airbag structure 100 roughly constitute a three-dimensional coordinate system, wherein the length extension direction X is the circumference around the wrist, and the thickness extension direction Z is the direction perpendicular to the wrist.
  • the airbag structure 100 may include a first airbag 10, an airbag nozzle 20 disposed on the first airbag 10 and connected to the first airbag 10, and a sensor assembly 30.
  • the end of the airbag nozzle 20 away from the first airbag 10 is connected to the watch body 1100 by a detachable connection (e.g., plug-in), so that the first airbag 10 is connected to the watch body 1100 by air, and the watch body 1100 can inflate the first airbag 10 or discharge the gas in the first airbag 10.
  • the sensor assembly 30 is located on the inner side wall of the first airbag 10 close to the human wrist, that is, the sensor assembly 30 is in indirect contact with the wrist through the side wall of the first airbag 10.
  • the sensor assembly 30 can be electrically connected to the watch body 1100 through the airbag mouth 20 or the strap 1200, so that the watch body 1100 can perform electrical function control on the sensor assembly 30 to achieve direct sensing of the pulse wave of the artery at the wrist.
  • the inflation and deflation of the first airbag 10 can achieve compression of the artery at the wrist, so that the sensor assembly 30 can directly sense the changes in the pulse wave of the artery to achieve the measurement of human blood pressure.
  • a first conductive network 50 is provided in the side wall of the first airbag 10.
  • the first conductive network 50 can be electrically connected to the ground terminal of the watch body 1100 through the airbag mouth 20 or the strap 1200 to achieve grounding of the first airbag 10, and introduce the charges accumulated in the first conductive network 50 due to external electromagnetic interference into the ground, so as to keep the first conductive network 50 at zero potential to shield external electromagnetic waves, thereby effectively reducing the electromagnetic interference of external electromagnetic waves on the sensor assembly 30, so as to ensure the normal use of the sensor assembly 30, and thereby improve the accuracy of the smart wearable device 1000 in measuring human blood pressure.
  • the first airbag 10 may include a first airbag membrane 11 and a second airbag membrane 14 stacked in a thickness direction Z, and the periphery of the first airbag membrane 11 is connected to the periphery of the second airbag membrane 14, so that the first airbag membrane 11 and the second airbag membrane 14 form a closed first airbag cavity 18.
  • the first airbag membrane 11 can be arranged close to the human wrist, and the sensor component 30 is located on the inner wall of the first airbag membrane 11 close to the first airbag cavity 18, so that when the first airbag membrane 11 is attached to the wrist, the sensor component 30 can directly sense the pulse wave changes of the artery.
  • the airbag structure 100 of the embodiment of the present application can measure the human blood pressure more accurately.
  • the structural design of the first airbag 10 is convenient and the molding is convenient.
  • the first airbag membrane 11 includes a first elastic layer 12 and a first conductive mesh 13 located in the first elastic layer 12, wherein the first conductive mesh 13 can be embedded in the first elastic layer 12 by an in-mold injection molding process.
  • the second airbag membrane 14 includes a second elastic layer 15 and a second conductive mesh 16 located in the second elastic layer 15, wherein the second conductive mesh 16 can be embedded in the second elastic layer 15 by an in-mold injection molding process.
  • the periphery of the first elastic layer 12 and the periphery of the second elastic layer 15 are interconnected to form a closed first airbag cavity 18.
  • the periphery of the first conductive mesh 13 and the periphery of the second conductive mesh 16 are electrically connected to each other, and finally form a first conductive network 50 similar to a Faraday cage structure that is mutually conductive.
  • the mutually conductive first conductive mesh 13 and the second conductive mesh 16 are then electrically connected to the ground terminal of the watch body 1100 through the airbag nozzle 20 or the strap 1200 to achieve grounding.
  • first conductive mesh 13 and the second conductive mesh 16 By embedding the first conductive mesh 13 and the second conductive mesh 16 in the first elastic layer 12 and the second elastic layer 15 respectively, and then electrically connecting the separately arranged first conductive mesh 13 and the second conductive mesh 16 to form a first conductive network 50 with a Faraday cage structure, the molding of the first airbag 10 with electromagnetic shielding function is facilitated.
  • the first airbag membrane 11 and the second airbag membrane 14 are both roughly long strip structures, and the four edges of the first airbag membrane 11 are connected to the four edges of the second airbag membrane 14 so that the first airbag membrane 11 and the second airbag membrane 14 enclose a first airbag cavity 18.
  • the periphery of the first elastic layer 12 is the first elastic bonding area 121; the periphery of the second elastic layer 15 is the second elastic bonding area 151, and the first elastic bonding area 121 and the second elastic bonding area 151 are bonded together to realize that the first elastic layer 12 and the second elastic layer 15 are connected to each other to form the first airbag cavity 18.
  • the first elastic layer 12 and the second elastic layer 15 separately and then bonding and connecting them, it is convenient to embed the first conductive mesh 13 and the second conductive mesh 16, thereby improving molding efficiency and yield.
  • the first elastic bonding area 121 and the second elastic bonding area 151 can be bonded together by welding to form an integrated structure, so as to improve the bonding strength of the first elastic layer 12 and the second elastic layer 15, and reduce the first airbag cavity 18 during repeated inflation and discharge.
  • the risk of leakage between the first elastic layer 12 and the second elastic layer 15 during the air bag filling process is reduced, thereby improving the air tightness of the first air bag cavity 18 and the service life of the air bag structure 100.
  • the first elastic bonding area 121 and the second elastic bonding area 151 can also be bonded together by an adhesive layer.
  • the material of the first elastic layer 12 and the second elastic layer 15 can both be rubber, for example, silicone rubber.
  • the first elastic layer 12 and the second elastic layer 15 have good elasticity and deformation recovery ability, which can ensure that after repeated inflation and deflation of the first airbag cavity 18, the first elastic layer 12 and the second elastic layer 15 will not experience stress relaxation, thereby improving the service life of the airbag structure 100 and the accuracy of blood pressure measurement.
  • At least one first conductive bonding area 131 is provided at the periphery of the first conductive mesh 13, wherein the first conductive bonding area 131 is exposed at the first elastic bonding area 121.
  • the first elastic bonding area 121 has an opening 123 corresponding to each first conductive bonding area 131, so that the first conductive bonding area 131 is exposed from the opening 123.
  • At least one second conductive bonding area 161 is provided at the periphery of the second conductive mesh 16, wherein the second conductive bonding area 161 is exposed at the second elastic bonding area 151.
  • the second elastic bonding area 151 has an opening 157 corresponding to each second conductive bonding area 161, so that the second conductive bonding area 161 is exposed from the opening 157.
  • the first conductive bonding area 131 and the second conductive bonding area 161 are bonded to each other to achieve electrical conduction.
  • the first conductive mesh 13 and the second conductive mesh 16 are formed separately and embedded in the first elastic layer 12 and the second elastic layer 15 respectively. Then the first conductive bonding area 131 and the second conductive bonding area 161 are bonded together and electrically connected, which makes the molding more convenient and reduces the molding difficulty of the first airbag 10.
  • first conductive mesh 13 and the second conductive mesh 16 have a certain deformation ability, so that the first airbag 10 is easy to deform during the inflation and deflation process.
  • first conductive mesh 13 and the second conductive mesh 16 have a certain stiffness, by bonding the edges of the first conductive mesh 13 and the second conductive mesh 16 together, during the inflation and deflation process, the bonded edges are less affected by the expansion force, which is conducive to reducing the risk of the first conductive mesh 13 and the second conductive mesh 16 being detached in the bonding area, thereby improving the reliability of the connection between the first airbag membrane 11 and the second airbag membrane 14.
  • the one-to-one corresponding first conductive bonding area 131 and the second conductive bonding area 161 can be bonded together by a conductive bonding layer 19 and achieve electrical conduction.
  • the conductive bonding layer 19 is formed by curing a conductive bonding material, and the conductive bonding material can be activated by pressure, heat, light, water vapor, etc. to achieve curing.
  • the conductive bonding material can be a welding material, for example, solder paste can be added between the first conductive bonding area 131 and the second conductive bonding area 161 and fixed and electrically connected by welding.
  • the conductive bonding material can also be a conductive glue, and the conductive glue can be an adhesive with conductive particles added.
  • a plurality of first conductive bonding areas 131 may be provided on the periphery of the first conductive mesh 13, and a plurality of second conductive bonding areas 161 may be provided on the periphery of the second conductive mesh 16.
  • the plurality of first conductive bonding areas 131 correspond to the plurality of second conductive bonding areas 161 one by one, and the plurality of first conductive bonding areas 131 and the plurality of second conductive bonding areas 161 are bonded together one by one through a plurality of conductive bonding layers 19, so that the first conductive mesh 13 and the second conductive mesh 16 form a structure similar to a Faraday cage to shield external electromagnetic waves. It can be understood that in other embodiments, as shown in FIG. 7 and FIG. 8, in combination with FIG.
  • a first conductive bonding area 131a is provided on the periphery of the first conductive mesh 13, and one of the first conductive bonding areas 131a is a ring structure; a second conductive bonding area 161a is provided on the periphery of the second conductive mesh 16, and one of the second conductive bonding areas 161a is a ring structure.
  • the first conductive bonding area 131a and the second conductive bonding area 161a are stacked, and the first conductive bonding area 131a and the second conductive bonding area 161a can be bonded together through an annular conductive bonding layer 19, which further improves the convenience of the bonding operation of the first conductive mesh 13 and the second conductive mesh 16, and at the same time can further improve the stability of the electrical connection between the first conductive mesh 13 and the second conductive mesh 16.
  • the first conductive mesh 13 and the second conductive mesh 16 can be made of a conductive fiber sheet.
  • the conductive fiber sheet has conductivity and a certain deformation ability.
  • the conductive fiber sheet can be appropriately deformed to match the shape change of the first airbag 10.
  • the first conductive mesh 13 and the second conductive mesh 16 will not be broken and disconnected, thereby ensuring the electromagnetic shielding effect of the first conductive network 50.
  • FIG. 9 it is a schematic diagram of the structure of a conductive fiber sheet 40.
  • the conductive fiber sheet 40 may include at least one layer of conductive fiber mesh 41, and each layer of conductive fiber mesh 41 includes a plurality of conductive fibers 42 woven together.
  • the weaving method may include knitting or weaving, and the weaving may also be disordered weaving, ordered weaving, or a combination of disordered and ordered weaving.
  • the conductive fibers 42 arranged along the warp and weft directions may be mutually woven, and the length of each conductive fiber 42 arranged in the warp direction is greater than the length of the conductive fiber mesh 41 along the warp direction, and the length of each conductive fiber 42 arranged in the weft direction is greater than the length of the conductive fiber mesh 41 along the weft direction. As shown in FIG.
  • the conductive fibers 42 may be a meandering structure, so that the tightness of the weaving can be adjusted, so that the conductive fiber sheet 40 has a certain deformation ability, and then the first conductive mesh 13 and the second conductive mesh 16 have a certain deformation ability, so as to meet the deformation requirements of the first airbag 10 during the inflation and deflation process.
  • the conductive fiber 42 may be a metal fiber, and the metal conductive fiber sheet 40 is formed by weaving the metal fiber. It is understood that in order to improve the tensile strength of the conductive fiber sheet 40, the conductive fiber 42 may be prepared by using a composite metal fiber. As shown in FIG9 , the conductive fiber 42 may be a composite fiber woven from a first fiber 421 and a second fiber 423, wherein the first fiber 421 may be a metal fiber with excellent conductive properties, and the second fiber 423 may be a polymer fiber with greater resistance strength, such as nylon.
  • the first fiber 421 in the conductive fiber 42 may be woven on the outside of the second fiber 423.
  • the tensile strength of the first conductive mesh 13 and the second conductive mesh 16 may be improved during the inflation and deflation process of the first airbag 10, thereby improving the reliability of the airbag structure 100.
  • a conductive metal layer may be plated on the outer surface of the second fiber to form the conductive fiber.
  • the conductive fiber sheet 40a may include at least one layer of conductive fiber mesh 41 and at least one layer of fiber cloth 43, wherein the fiber cloth 43 itself has a certain deformation ability, and the conductive fiber sheet 40a formed by combining with the conductive fiber mesh 41 also has a certain deformation ability.
  • the conductive fiber mesh 41 and the fiber cloth 43 may be an integral woven structure formed by integral mixed weaving.
  • the edge of the conductive fiber mesh 41 may be extended out of the fiber cloth 43, so that the extended part of the conductive fiber mesh 41 may be used as the first conductive bonding area 131 (or 131a) or the second conductive bonding area 161 (or 161a), so as to facilitate the electrical connection between the first conductive mesh 13 made of the conductive fiber sheet 40a and the second conductive mesh 16 made of the conductive fiber sheet 40a.
  • the structures of the conductive fiber sheets 40 (or 40a) used in the first conductive mesh 13 and the second conductive mesh 16 can be the same or different.
  • the airbag nozzle 20 is disposed through the first airbag 10, specifically, it can be disposed through the first airbag membrane 11, or through the second airbag membrane 14, or through the bonding area where the first airbag membrane 11 and the second airbag membrane 14 are connected.
  • the airbag nozzle 20 is located at the edge of the first airbag 10 along the width extension direction Y, and is disposed through the bonding area where the first airbag membrane 11 and the second airbag membrane 14 are connected, so that the installation of the airbag nozzle 20 and the communication between the airbag nozzle 20 and the watch body 1100 are convenient, and there is no need to separately open a mounting hole for the airbag nozzle 20 on the first airbag membrane 11 or the second airbag membrane 14.
  • the sensor assembly 30 and the first conductive network 50 are electrically connected to the body 1100 through the airbag nozzle.
  • the airbag nozzle 20 includes an airbag nozzle body 21, a first airbag nozzle conductive layer 22 and a second airbag nozzle conductive layer 26 disposed on the airbag nozzle body 21.
  • the airbag nozzle body 21 has an airbag nozzle through hole 23.
  • the first airbag 10 is connected to the body 1100 through the airbag nozzle through hole 23.
  • the airbag nozzle body 21 is connected to the side wall of the first airbag 10 to achieve the connection between the airbag nozzle 20 and the airbag structure 100.
  • the first airbag nozzle conductive layer 22 is electrically connected to the first conductive network 50, and the first airbag nozzle conductive layer 22 is also electrically connected to the body 1100, thereby achieving the electrical connection between the first conductive network 50 and the body 1100, and achieving the grounding of the first conductive network 50.
  • the two ends of the second airbag nozzle conductive layer 26 are electrically connected to the sensor assembly 30 and the watch body 1100, respectively.
  • the second airbag nozzle conductive layer 26 can be electrically connected to the sensor assembly 30 through the wire 90c (i.e., the first wire), and then electrically connected to the watch body 1100 through the wire 25, thereby realizing the electrical connection between the sensor assembly 30 and the watch body 1100.
  • the first airbag nozzle conductive layer 22 and the second airbag nozzle conductive layer 26 are insulated to avoid a short circuit between the first conductive network 50 and the sensor assembly 30.
  • the airbag nozzle body 21 is bonded and fixed to the first elastic layer 12 and the second elastic layer 15.
  • the first airbag nozzle conductive layer 22 is bonded and electrically connected to the first conductive mesh 13 and the second conductive mesh 16.
  • the airbag nozzle body 21 and the first elastic layer 12 and the second elastic layer 15 may be bonded and fixed by welding or adhesive bonding.
  • welding or adhesive bonding please refer to the above and no further details will be given here.
  • the airbag nozzle body 21 can be plugged into the watch body 1100 through the soft pipe 24 to achieve air communication with the watch body 1100.
  • the airbag nozzle 20 can be used as an adapter.
  • the airbag nozzle body 21 can be set shorter and harder, which is convenient for installation and fixation on the first airbag 10.
  • the setting positions of the first airbag 10 and the airbag nozzle 20 are relatively flexible, and the length of the soft pipe 24 can be adjusted according to the specific position of the airbag nozzle 20.
  • the end of the airbag nozzle body 21 away from the first airbag 10 can be directly plugged into the watch body 1100 to achieve air communication with the watch body 1100.
  • This design is suitable for the case where the airbag nozzle 20 is close to the watch body 1100, which can reduce the connection operation between the soft pipe 24 and the airbag nozzle body 21, reduce the assembly complexity of the airbag structure 100, and further improve the air tightness.
  • the first airbag nozzle conductive layer 22 can be bonded to the first conductive mesh 13 and the second conductive mesh 16 by using a conductive
  • a conductive please refer to the above and will not go into details here.
  • the wire 90c can be embedded in the side wall of the first airbag 10. In this way, the wire 90c will not be affected by the inflation and deflation of the first airbag cavity 18, and the connection stability of the wire 90c can be improved.
  • the first airbag membrane 11 also includes an airbag membrane conductive portion 133 located on the first elastic layer 12.
  • the airbag membrane conductive portion 133 can be electrically connected to the sensor assembly 30 through a wire.
  • the wire 90c is electrically connected to the airbag membrane conductive portion 133 and the second airbag nozzle conductive layer 26 respectively, thereby realizing the electrical connection between the sensor assembly 30 and the watch body 1100 through the airbag nozzle 20.
  • FIG. 13 it is a schematic diagram of the circuit connection between the sensor assembly 30 and the watch body 1100.
  • the sensor assembly 30 is electrically connected to the airbag nozzle 20 through the airbag membrane conductive portion 133 on the first airbag membrane 11 and the wire 90c, and the airbag nozzle 20 is further electrically connected to the watch body 1100.
  • the wire 90c can be woven into the first conductive network 50 by weaving, and the wire 90c is electrically insulated from the first conductive network 50. In this way, there is no need to separately set up the embedded wire 90c, so that the wire 90c is easily embedded in the first elastic layer 12.
  • the wire 90c includes an internal conductive wire 901 and an insulating layer 902 located outside the conductive wire 901, so that the wire 90c is insulated from the first conductive network 50 to prevent the wire 90c from being electrically connected to the first conductive network 50 and causing a short circuit.
  • the conductive wire 901 can be a metal wire
  • the insulating layer 902 can be made of insulating rubber, insulating resin or other materials.
  • the sensor assembly 30 includes a plurality of functional components 31 .
  • the plurality of functional components 31 are electrically connected to each other through a wire 32 (ie, a second wire).
  • the wire 32 is a meandering structure, that is, the length of the wire 32 between two adjacent functional components 31 is greater than the straight-line distance between the two adjacent functional components 31.
  • the multiple functional components 31 are electrically connected through the meandering wire 32.
  • the meandering wire 32 can be deformed synchronously with the deformation (e.g., bending, stretching, etc.) of the first airbag 10.
  • FIG. 15 shows the structure of the first airbag 10 before deformation
  • FIG. 16 shows the structure of the first airbag 10 after deformation, thereby protecting the various functional components 31 in the sensor assembly 30 from mechanical damage, and also ensuring the stability of the electrical connection between the various functional components 31.
  • the plurality of functional components 31 include a sensor array 33, an analog processing unit 35, and an A/D conversion unit 37, and the sensor array 33, the analog processing unit 35, and the A/D conversion unit 37 are electrically connected to each other through a meandering wire 32.
  • the watch body 1100 and the sensor assembly 30 interact through the digital signal, which can ensure the stability of the signal.
  • the pulse wave of the artery can be synchronously collected by the sensor array 33 composed of multiple sensors to obtain a stronger pulse wave, thereby further improving the measurement accuracy of the smart wearable device 1000.
  • the airbag structure 100 is in the shape of an elongated strip.
  • the length of the airbag structure 100 is L1
  • the circumference of the strap 1200 is L, wherein the circumference L of the strap 1200 can be understood as the circumference of the wrist, then L ⁇ L1 ⁇ 0.5L, further L ⁇ L1 ⁇ 0.75L.
  • the length of the airbag structure 100 By setting the length of the airbag structure 100 to be at least half of the strap 1200, at least half of the wrist can be covered, which can increase the contact area between the airbag structure 100 and the wrist, so that the airbag structure 100 can fully cover the part of the wrist where the artery is after inflation, so that the sensor component 30 can directly collect the pulse wave of the artery more accurately, thereby improving the accuracy of blood pressure measurement.
  • the airbag structure 100 is connected to the strap 1200.
  • the material of the strap 1200 can be a flexible fiber cloth or a flexible plastic material. It is understood that the airbag structure 100 can be directly welded to the strap 1200, or can be bonded to the strap 1200 through an adhesive layer. It is also understood that the airbag structure 100 can also be detachably connected to the strap 1200 through a connection structure such as a buckle, a snap button or a Velcro.
  • FIG. 18 another embodiment of the present application provides an airbag structure 200, which includes a first airbag 10a and a second airbag 60 stacked along the thickness direction Z, wherein the airbag structure 200 adds a second airbag 60 compared to the airbag structure 100 provided in the previous embodiment, and the second airbag 60 is connected to the first airbag 10a.
  • the first airbag 10a has a first airbag cavity 18a
  • the second airbag 60 has a second airbag cavity 68
  • the first airbag cavity 18a and the second airbag cavity 68 are connected to each other, wherein the first airbag 10a is arranged close to the wrist, and the second airbag 60 is arranged close to the watchband 1200 and connected to the watchband 1200.
  • the airbag structure 200 also includes an airbag nozzle 20a and a sensor assembly 30a disposed on the first airbag 10a and connected to the first airbag 10a.
  • the sensor assembly 30a is located in the first airbag cavity 18a and on the side wall of the first airbag 10a facing away from the second airbag 60.
  • the airbag nozzle 20a and the sensor assembly 30a are basically the same in structure as the airbag nozzle 20 and the sensor assembly 30 in the aforementioned embodiment. Please refer to the aforementioned for details and no further details will be given here.
  • a first conductive network 50a is provided in the side wall of the first airbag 10a
  • a second conductive network 51 is provided in the side wall of the second airbag 60, wherein the first conductive network 50a and the second conductive network 51 are electrically connected, and further electrically connected to the body 1100, so that the airbag structure 200 can be grounded, thereby effectively shielding the interference of external electromagnetic waves on the sensor component 30a.
  • the first airbag 10a includes a first airbag membrane 11a and a second airbag membrane 14a.
  • the periphery of the first airbag membrane 11a and the periphery of the second airbag membrane 14a are connected to each other, so that the first airbag membrane 11a and the second airbag membrane 14a form a closed first airbag cavity 18a.
  • the sensor assembly 30 is arranged on the side of the first airbag membrane 11a close to the first airbag cavity 18a.
  • the first airbag membrane 11a includes a first elastic layer 12a and a first conductive mesh 13a, wherein the structures of the first elastic layer 12a and the first conductive mesh 13a are substantially the same as those of the first elastic layer 12 and the first conductive mesh 13 in the aforementioned embodiment.
  • the second airbag membrane 14a includes a second elastic layer 15a and a second conductive mesh 16a located in the second elastic layer 15a.
  • the periphery of the first elastic layer 12a and the periphery of the second elastic layer 15a are connected to each other to form a first airbag cavity 18a, and the periphery of the first conductive net 13a and the periphery of the second conductive net 16a are connected to each other to form a first conductive network 50a.
  • the specific connection method is basically the same as the above embodiment. Please refer to the above for details, and no further details are given here.
  • the second airbag membrane 14a needs to be connected to the second airbag 60, and the air path between the first airbag cavity 18a and the second airbag cavity 68 is connected.
  • the second airbag 60 includes a third airbag membrane 61 and a fourth airbag membrane 65, and the periphery of the third airbag membrane 61 and the periphery of the fourth airbag membrane 65 are connected to each other, so that the third airbag membrane 61 and the fourth airbag membrane 65 form a closed second airbag cavity 68.
  • the third airbag membrane 61 is located on the side of the second airbag membrane 14a away from the first airbag cavity 18a, and is connected to the second airbag membrane 14a.
  • the second airbag 60 is configured as the third airbag membrane 61 and the fourth airbag membrane 65 connected to each other, which is convenient for molding, and also convenient for the second airbag 60 to be superimposed and connected to the first airbag 10a and to be connected to each other.
  • At least one conducting hole 70 is provided through the second airbag membrane 14a and the third airbag membrane 61, and the first airbag cavity 18a and the second airbag cavity 68 are connected by air through the conducting hole 70, so that the gas enters the first airbag cavity 18a through the airbag mouth 20a and then further enters the second airbag cavity 68, so that the pressure in the direction perpendicular to the wrist is increased, thereby reducing the width of the airbag structure 200.
  • the airbag mouth 20a can also be provided through the second airbag 60 according to the reasonable layout of the airbag structure 200 for assembly convenience.
  • the first conductive network 50a and the second conductive network 51 are both exposed in the same conductive hole 70, and the inner wall of the conductive hole 70 where the first conductive network 50a and the second conductive network 51 are exposed is provided with a conductive film 80 to achieve electrical conduction between the first conductive network 50a and the second conductive network 51.
  • a conductive film 80 to achieve electrical conduction between the first conductive network 50a and the second conductive network 51.
  • the second airbag membrane 14a also has at least one first through hole 17 penetrating the second elastic layer 15a and the second conductive mesh 16a.
  • the third airbag membrane 61 includes a third elastic layer 62, a third conductive mesh 63 located in the third elastic layer 62, and at least one second through hole 64 penetrating the third elastic layer 62 and the third conductive mesh 63, wherein the first through hole 17 and the second through hole 64 correspond one to one, and each group of the one-to-one corresponding first through hole 17 and the second through hole 64 constitutes a conductive hole 70, so as to realize the air path communication between the first airbag cavity 18a and the second airbag cavity 68.
  • the second conductive mesh 16a is exposed in the first through hole 17, and the third conductive mesh 63 is exposed in the second through hole 64.
  • the first through hole 17 where the second conductive mesh 16a is exposed and the second through hole 64 where the third conductive mesh 63 is exposed form a conductive hole 70.
  • the conductive film 80 is attached to the corresponding hole walls of the first through hole 17 and the second through hole 64, so that the first conductive network 50a and the second conductive network 51 are electrically connected.
  • the conductive film 80 includes a substrate 81 and a conductive layer 82 disposed on the substrate 81 near the inner wall of the via 70, wherein the conductive layer 82 is electrically connected to the exposed second conductive network 16a and the third conductive network 63, respectively, so that the first conductive network 50a and the second conductive network 51 are electrically connected, and then electrically connected to the body 1100 to achieve grounding.
  • FIG. 19 is a schematic diagram of the structure of the second airbag membrane 14a in a flat state before assembly, wherein the second elastic layer 15a, in addition to the second elastic bonding area 151a provided at the periphery, also includes a first middle bonding area 153 located inside the second elastic bonding area 151a, wherein the first through hole 17 is opened in the first middle bonding area 153.
  • the second elastic bonding area 151a is substantially the same as the second elastic bonding area 151 in the aforementioned embodiment, please refer to the aforementioned for details, and no further details are given here.
  • the first middle bonding area 153 is approximately located in the middle of the second elastic layer 15a. Please refer to FIG.
  • the third elastic layer 62 includes a third elastic bonding area 621 located at the periphery and a second middle bonding area 623 located inside the third elastic bonding area 621, wherein the second through hole 64 is opened in the second middle bonding area 623.
  • the second middle bonding area 623 is approximately located in the middle of the third elastic layer 62 .
  • the first middle bonding area 153 and the second middle bonding area 623 are correspondingly arranged and can be bonded together by welding, so that the second elastic layer 15a and the third elastic layer 62 form an integrated structure, so as to improve the bonding strength of the second elastic layer 15a and the third elastic layer 62, thereby improving the airtightness of the first airbag cavity 18a and the second airbag cavity 68 and the service life of the airbag structure 200.
  • the first middle bonding area 153 and the second middle bonding area 623 can also be bonded together by a glue layer.
  • the structure of the fourth airbag membrane 65 is substantially the same as that of the first airbag membrane 11 (see FIG. 3 ) in the aforementioned embodiment.
  • the fourth airbag film 65 includes a fourth elastic layer 66 and a fourth conductive mesh 67 located in the fourth elastic layer 66.
  • the periphery of the fourth elastic layer 66 and the periphery of the third elastic layer 62 are connected to each other to form a second airbag cavity 68, and the periphery of the fourth conductive mesh 67 is electrically connected to the periphery of the third conductive mesh 63 to form a second conductive network 51.
  • the periphery of the fourth elastic layer 66 has a fourth elastic bonding area 661, and the third elastic bonding area 621 and the fourth elastic bonding area 661 are bonded to each other to achieve the connection between the third elastic layer 62 and the fourth elastic layer 66 to form the second airbag cavity 68.
  • the third elastic layer 62 and the fourth elastic layer 66 separately and then bonding them, the embedding of the third conductive mesh 63 and the fourth conductive mesh 67 is facilitated.
  • the fifth conductive bonding area 633 of the third conductive mesh 63 is exposed at the opening 627 opened in the third elastic bonding area 621, and the fourth conductive bonding area 671 of the fourth conductive mesh 67 is exposed at the opening 665 opened in the fourth elastic bonding area 661.
  • the fifth conductive bonding area 633 and the fourth conductive bonding area 671 are bonded and electrically connected through the conductive bonding layer 69, thereby realizing the electrical connection of the periphery of the third conductive mesh 63 and the fourth conductive mesh 67.
  • the way in which the third elastic layer 62 and the fourth elastic layer 66 are bonded to each other is basically the same as the way in which the first elastic layer 12 and the second elastic layer 15 are bonded in the aforementioned embodiment. Please refer to the above for details, and no further details will be given here.
  • the way in which the third conductive mesh 63 and the fourth conductive mesh 67 are bonded and electrically connected is basically the same as the way in which the first conductive mesh 13 and the second conductive mesh 16 are bonded and electrically connected in the aforementioned embodiment. Please refer to the above for details, and no further details will be given here.
  • At least one third airbag can be added between the first airbag 10a and the second airbag 60, wherein the third airbag is interconnected and electrically conductive with the first airbag 10a and the second airbag 60, respectively.
  • the specific structure of the third airbag can be composed of two airbag membranes having basically the same structure as the second airbag membrane 14a, which are bonded to each other. Please refer to the above content for details, and no further elaboration will be made here.
  • the fourth airbag membrane 65 of the second airbag 60 is connected to the strap 1200.
  • the connection method of the fourth elastic layer 66 and the strap 1200 is substantially the same as the connection method of the second elastic layer 15 and the strap 1200 in the aforementioned embodiment, which is not described in detail here.
  • the first airbag 10b includes a first airbag membrane 11b and a second airbag membrane 14b, wherein the first airbag membrane 11b includes a first elastic layer 12b and a first conductive network 13b.
  • the structure of the first airbag membrane 11b is basically the same as that of the first airbag membrane 11a in the above embodiment. Please refer to the above for details, and no further details will be given here.
  • the second airbag 60a includes a third airbag membrane 61a and a fourth airbag membrane 65a, wherein the second airbag membrane 14b is bonded to the third airbag membrane 61a and electrically connected.
  • the fourth airbag membrane 65a includes a fourth elastic layer 66a and a fourth conductive mesh 67a.
  • the structure of the fourth airbag membrane 65a is basically the same as that of the fourth airbag membrane 65 in the aforementioned embodiment. Please refer to the aforementioned for details and no further details will be given here.
  • FIG. 21 it is a schematic diagram of the structure of the second airbag membrane 14b after being flattened before assembly, wherein the second airbag membrane 14b includes a second elastic layer 15b and a second conductive mesh 16b, wherein the second elastic layer 15b includes a second elastic bonding area 151b, a first middle bonding area 153b located inside the second elastic bonding area 151b, and at least one opening 155 located in the first middle bonding area 153b.
  • the second conductive mesh 16b includes a second conductive bonding area 161b and a first middle conductive bonding area 165 corresponding to each opening 155, and the first middle conductive bonding area 165 is exposed at the opening 155.
  • a plurality of first through holes 17b are provided in the first middle bonding area 153b, and each first through hole 17b penetrates the second elastic layer 15b and the second conductive mesh 16b.
  • FIG 22 it is a schematic diagram of the structure of the third airbag membrane 61a after being flattened before assembly, wherein the third airbag membrane 61a includes a third elastic layer 62a and a third conductive mesh 63a, wherein the third elastic layer 62a includes a third elastic bonding area 621a, a second middle bonding area 623a located inside the third elastic bonding area 621a, and at least one opening 625 located in the second middle bonding area 623a, the third conductive mesh 63a is provided with a second middle conductive bonding area 631 corresponding to each opening 625, each second middle conductive bonding area 631 is exposed at an opening 625, and a plurality of second through holes 64a are opened in the second middle bonding area 623a, and each second through hole 64a penetrates the third elastic layer 62a and the third conductive mesh 63a.
  • the third elastic layer 62a includes a third elastic bonding area 621a, a second middle bonding area 623a located inside the third elastic
  • the first through hole 17b and the second through hole 64a correspond to each other to form a through hole 70, which is used for the air path connection between the first airbag cavity 18b and the second airbag cavity 68a.
  • the second conductive mesh 16b and the first conductive mesh 13b constitute the first conductive network 50b
  • the third conductive mesh 63a and the fourth conductive mesh 67a constitute the second conductive network 51a.
  • the first middle conductive bonding area 165 corresponds to the second middle conductive bonding area 631, and is bonded and electrically connected to each other through a conductive bonding layer 83, thereby achieving electrical connection between the first conductive network 50b and the second conductive network 51a, and further electrically connected to the body 1100 to achieve grounding.
  • the connectivity and electrical connection between the second airbag membrane 14b and the third airbag membrane 61a does not require the provision of a conductive film 80 on the inner walls of the first through hole 17b and the second through hole 64a (see FIG. 18 ), further reducing the difficulty of the assembly operation and improving the stability of the electrical connection.
  • a second airbag 60 (or 60a) is stacked on the first airbag 10a (or 10b).
  • the multi-layer airbag structure 200 is interconnected.
  • the width of the single airbag can be reduced;
  • the first airbag 10a (or 10b) and the second airbag 60 (or 60a) are stacked in a direction perpendicular to the wrist, which can make the airbag structure 200 expand higher and have a greater pressure, thereby better compressing the arterial blood vessels, allowing the sensor component 30a to more accurately collect the arterial pulse wave, thereby improving the accuracy of blood pressure measurement.
  • FIG. 25 another embodiment of the present application provides a smart wearable device 2000.
  • the main difference of the smart wearable device 2000 provided in this embodiment is that the airbag structure 300 is electrically connected to the strap 1200a, and the strap 1200a is further electrically connected to the watch body 1100, thereby realizing the electrical connection between the watch body 1100 and the airbag structure 300.
  • the airbag structure 300 does not need to be electrically connected to the watch body 1100 through the airbag nozzle (not shown).
  • the first conductive network 50c and the sensor assembly 30c in the airbag structure 300 are electrically connected to the watch body 1100 through the strap 1200a.
  • the airbag structure 300 includes a first airbag 10c, and the first airbag 10c includes a first airbag membrane 11c and a second airbag membrane 14c stacked along the thickness Z direction, and the first airbag membrane 11c and the second airbag membrane 14c enclose a first airbag cavity 18c.
  • the first airbag membrane 11c is basically the same as the first airbag membrane 11 in the aforementioned embodiment. Please refer to the aforementioned for details, and no further details are given here.
  • the difference between the airbag structure 300 and the airbag structure 100 in the aforementioned embodiment is that the second airbag membrane 14c includes a second elastic layer 15c and a second conductive mesh 16c.
  • the difference between the second elastic layer 15c and the second elastic layer 15 in the aforementioned embodiment is that the second elastic layer 15c also includes a fifth elastic bonding area 159.
  • the difference between the second conductive mesh 16c and the second conductive mesh 16 in the aforementioned embodiment is that the second conductive mesh 16c also includes a third conductive bonding area 163, wherein the third conductive bonding area 163 is exposed in the second elastic layer 15c.
  • the strap 1200a is provided with a strap adhesive area 1201 corresponding to the fifth elastic adhesive area 159, and the fifth elastic adhesive area 159 and the strap adhesive area 1201 are bonded to each other.
  • the strap 1200a is also provided with a second strap conductive adhesive area 1202 corresponding to the third conductive adhesive area 163, and the third conductive adhesive area 163 and the second strap conductive adhesive area 1202 are bonded to each other, so that the second conductive network 16c is electrically connected to the second strap conductive adhesive area 1202 of the strap 1200a, and the second strap conductive adhesive area 1202 is also electrically connected to the ground terminal of the watch body 1100, thereby realizing the electrical connection between the second conductive network 16c and the ground terminal of the watch body 1100, and realizing the grounding of the first conductive network 50c.
  • the watch strap 1200a also includes a first watch strap conductive adhesive area 1203, and the sensor component 30 is electrically connected to the first watch strap conductive adhesive area 1203 through a winding wire 90 (i.e., a third wire), and the first watch strap conductive adhesive area 1203 is further electrically connected to the watch body 1100, thereby realizing electrical connection between the watch body 1100 and the sensor component 30.
  • a winding wire 90 i.e., a third wire
  • the wire 90 can be embedded in the side wall of the first airbag 10c, so that the wire 90 will not be affected by the inflation and deflation of the first airbag cavity 18c, and the connection stability of the wire 90 can be improved.
  • the first airbag membrane 11c also includes an airbag membrane conductive portion 133c located on the first elastic layer 12c, and the airbag membrane conductive portion 133c is electrically connected to the sensor component 30c, and the wire 90 is electrically connected to the airbag membrane conductive portion 133c and the first watchband conductive adhesive area 1203 respectively, thereby realizing the electrical connection between the sensor component 30c and the watch body 1100 through the watchband 1200a. As shown in FIG.
  • FIG. 26 it is a schematic diagram of the circuit connection between the sensor component 30c and the watch body 1100.
  • the sensor component 30c is electrically connected to the watchband 1200a through the airbag membrane conductive portion 133c on the first airbag membrane 11c and the wire 90, and the watchband 1200a is further electrically connected to the watch body 1100.
  • the wire 90 can be woven into the first conductive network 50c by weaving.
  • This method does not require a separate embedded wire 90, so that the wire 90 can be embedded in the first elastic layer 12c.
  • the specific structure of the wire 90 can be found in the aforementioned embodiments and will not be elaborated herein.
  • the wire 90a can also be electrically connected to the first watchband conductive adhesive area 1203 by penetrating the first airbag cavity 18c.
  • the outer surface of the wire 90a is coated with an insulating isolation layer, which can protect the wire 90a and reduce the influence of the gas in the first airbag cavity 18c on the conductive performance of the wire 90a.
  • the wire 90a is arranged in the first airbag cavity 18c, which is convenient for repairing and replacing the wire 90a.
  • the end of the wire 90a connected to the sensor assembly 30c and the first watchband conductive adhesive area 1203 is provided with a fixing structure (not shown), which can improve the connection stability of the wire 90a and reduce the possibility of the wire 90a being broken due to the inflation and deflation of the first airbag cavity 18c.
  • the second strap conductive adhesive area 1202 and the first strap conductive adhesive area 1203 of the strap 1200a are electrically connected to the watch body 1100 through the wire 91 respectively.
  • the wire 91 can be embedded in the strap 1200a, which is beneficial to improve the stability of the electrical connection of the wire 91. It is understandable that the wire 91 can also be located outside the strap 1200a, which is beneficial to replace and repair the wire 91 when it fails.
  • the present embodiment electrically connects the airbag structure 300 directly to the strap 1200a, and then electrically connects the strap 1200a to the watch body 1100, so as to realize the electrical connection between the watch body 1100 and the airbag structure 300, without the need to realize the electrical connection between the watch body 1100 and the airbag through the airbag nozzle.
  • the electrical connection of the airbag structure 300 increases the interaction between the airbag structure 300 and the watch body 1100. The interaction can be selected according to the actual application to reduce the complexity of the structure and the difficulty of assembly.
  • the wire 90 By weaving the wire 90 into the first conductive network 50c, the wire 90 can be embedded in the first elastic layer 12c to improve the stability of the electrical connection of the wire 90.
  • FIG. 28 Another embodiment of the present application provides a smart wearable device 3000.
  • the airbag structure 400 is a multi-layer airbag
  • the airbag structure 400 is electrically connected to the strap 1200b
  • the strap 1200b is further electrically connected to the watch body 1100, thereby realizing the electrical connection between the watch body 1100 and the airbag structure 400.
  • the airbag structure 400 does not need to be electrically connected to the watch body 1100 through the airbag nozzle (not shown).
  • the first conductive network 50d, the second conductive network 51d and the sensor assembly 30d in the airbag structure 400 are electrically connected to the watch body 1100 through the strap 1200b.
  • the airbag structure 400 includes a first airbag 10d and a second airbag 60b stacked in a thickness direction Z, wherein the first airbag 10d has a substantially identical structure to the first airbag 10b of the aforementioned airbag structure 200, which will not be described in detail herein.
  • the second airbag 60b includes a third airbag membrane 61b and a fourth airbag membrane 65b
  • the third airbag membrane 61b includes a third elastic layer 62b and a third conductive mesh 63b
  • the fourth airbag membrane 65b includes a fourth elastic layer 66b and a fourth conductive mesh 67b
  • the third conductive mesh 63b and the fourth conductive mesh 67b constitute a second conductive network 51b.
  • the difference between the airbag structure 400 and the airbag structure 200 of the aforementioned embodiment is that the fourth elastic layer 66b further includes a sixth elastic bonding area 663, the fourth conductive mesh 67b further includes a fourth conductive bonding area 671, and the fourth conductive bonding area 671 is exposed at the sixth elastic bonding area 663.
  • the strap 1200b is connected to the outside of the fourth airbag film 65b, and the strap 1200b is provided with a strap bonding area 1201b corresponding to the sixth elastic bonding area 663, and the sixth elastic bonding area 663 and the strap bonding area 1201b are bonded to each other.
  • the specific bonding method please refer to the above, and it is not necessary to repeat it too much here.
  • the strap 1200b is also provided with a second strap conductive bonding area 1202b corresponding to the fourth conductive bonding area 671.
  • the fourth conductive bonding area 671 and the second strap conductive bonding area 1202b are bonded to each other, so that the fourth conductive network 67b is electrically connected to the second strap conductive bonding area 1202b of the strap 1200b.
  • the second strap conductive bonding area 1202b is also electrically connected to the ground terminal of the watch body 1100, thereby realizing the electrical connection between the second conductive network 16b and the ground terminal of the watch body 1100, and realizing the grounding of the first conductive network 50d and the second conductive network 51b.
  • the watch strap 1200b also includes a first watch strap conductive adhesive area 1203b that passes through the fourth airbag membrane 65b.
  • the sensor component 30d is electrically connected to the first watch strap conductive adhesive area 1203b through a winding wire 90b.
  • the first watch strap conductive adhesive area 1203b is further electrically connected to the watch body 1100, thereby realizing electrical connection between the watch body 1100 and the sensor component 30d.
  • the wire 90b can be embedded in the side wall of the first airbag 10d and the second airbag 60b, so that the wire 90b will not be affected by the inflation and deflation of the first airbag cavity 18d, and the connection stability of the wire 90b can be improved.
  • the first airbag 10d also includes an airbag membrane conductive portion 133d, and the airbag membrane conductive portion 133d is electrically connected to the sensor component 30d, and the wire 90b is electrically connected to the airbag membrane conductive portion 133d and the first watchband conductive adhesive area 1203b respectively, thereby realizing the electrical connection between the sensor component 30d and the watch body 1100 through the watchband 1200b.
  • the wire 90b includes two parts, wherein the first part 903 is embedded in the side wall of the first airbag 10d, and the second part 904 is embedded in the side wall of the second airbag 60b, and the first part 903 and the second part 904 are connected by a joint 905.
  • the first part 903 is electrically connected to the sensor assembly 30d through the airbag film conductive part 133d
  • the second part 904 is electrically connected to the strap 1200b through the first strap conductive adhesive area 1203b.
  • the first part 903 of the wire 90b can be woven into the first conductive network 50d, and the second part 904 can be woven into the second conductive network 51b, and the first part 903 and the second part 904 can be electrically connected together at the conductive adhesive layer 83b where the first conductive network 50d and the second conductive network 51b are electrically connected through the joint 905.
  • This method does not require the embedded wire 90b to be separately provided, and the wire 90b can be embedded in the side walls of the first airbag 10d and the second airbag 60b.
  • the specific structure of the wire 90b can be found in the aforementioned embodiments and will not be elaborated herein.
  • the wire (not shown) can also be electrically connected to the first strap conductive adhesive area 1203b by passing through the first airbag cavity 18d and the second airbag cavity 68b.
  • connection methods please refer to the above embodiments and will not be described in detail here.
  • the second strap conductive adhesive area 1202b and the first strap conductive adhesive area 1203b of the strap 1200b are electrically connected to the watch body 1100 through the wire 91. Please refer to the above embodiments for the specific connection method, which will not be described in detail here.
  • the airbag structure 400 can be a multi-layer airbag knot composed of a first airbag 10d, a third airbag (not shown) and a second airbag 60b, wherein the second airbag 60b is bonded to and electrically connected to the strap 1200b.
  • a multi-layer airbag knot composed of a first airbag 10d, a third airbag (not shown) and a second airbag 60b, wherein the second airbag 60b is bonded to and electrically connected to the strap 1200b.
  • this embodiment realizes the interaction between the watch body 1100 and the airbag structure 400 by bonding and electrically connecting the airbag structure 400 and the watch strap 1200b.
  • the airbag structure 400 does not need to be electrically connected to the watch body 1100 through the airbag nozzle, thereby increasing the interaction methods between the airbag structure 400 and the watch body 1100.
  • the specific interaction method can be selected according to the actual application to reduce the complexity of the structure and the difficulty of assembly.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Cardiology (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Vascular Medicine (AREA)
  • Physiology (AREA)
  • Ophthalmology & Optometry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Textile Engineering (AREA)
  • Electromagnetism (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Air Bags (AREA)

Abstract

La présente invention concerne une structure de sac d'air et un dispositif portable intelligent. La structure de sac d'air comprend un premier sac d'air et un ensemble capteur ; le premier sac d'air est pourvu d'une première cavité de sac d'air, et un premier réseau électroconducteur est disposé dans la paroi latérale du premier sac d'air ; l'ensemble capteur est situé sur la paroi interne du premier sac d'air et logé dans la première cavité de sac d'air ; l'ensemble capteur est utilisé pour être électriquement connecté à un corps de montre du dispositif portable intelligent pour collecter des ondes de pouls, et le premier réseau électroconducteur est utilisé pour être connecté électriquement à une borne de masse du corps de montre pour protéger des ondes électromagnétiques externes. Selon la structure de sac d'air de la présente invention, l'ensemble capteur est directement disposé sur la paroi interne du premier sac d'air, de telle sorte que l'ensemble capteur peut collecter directement les ondes de pouls du corps humain pour obtenir des résultats de mesure de pression artérielle, et la structure de sac d'air a une précision de mesure élevée et est pratique à utiliser ; le premier réseau électroconducteur est intégré dans la paroi latérale du premier sac d'air pour servir la fonction de protection des ondes électromagnétiques externes, de telle sorte que l'interférence électromagnétique provenant des ondes électromagnétiques externes sur l'ensemble capteur peut être efficacement réduite, ce qui permet d'améliorer la précision de la mesure de la pression artérielle.
PCT/CN2023/135979 2022-12-24 2023-12-01 Structure de sac d'air et dispositif portable intelligent WO2024131506A1 (fr)

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CN202211669499.6A CN118236050A (zh) 2022-12-24 2022-12-24 气囊结构及智能穿戴设备
CN202211669499.6 2022-12-24

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US6147879A (en) * 1997-12-12 2000-11-14 Nortel Networks Limited Assemblies of electrical devices and flexible containers therefor
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US20200214578A1 (en) * 2019-01-04 2020-07-09 Withings Cuff-Type Monitoring Device For Monitoring Cardiovascular Parameters
CN216317577U (zh) * 2021-09-14 2022-04-19 杨成 一种血压计的气囊结构
CN114533009A (zh) * 2020-11-25 2022-05-27 华为技术有限公司 血压测量装置及其加压方法
EP4052641A1 (fr) * 2021-03-02 2022-09-07 Murata Manufacturing Co., Ltd. Dispositif de détection de signe vital

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6147879A (en) * 1997-12-12 2000-11-14 Nortel Networks Limited Assemblies of electrical devices and flexible containers therefor
DE102009018783A1 (de) * 2009-04-24 2010-11-04 Frenzelit-Werke Gmbh & Co. Kg Beutel zur Abschirmung elektrischer und elektromagnetischer Effekte von Bauteilen sowie dessen Verwendung
CN105796082A (zh) * 2016-03-07 2016-07-27 深圳邦普医疗设备系统有限公司 一种气囊袖带以及包含该气囊袖带的电子血压计
US20200214578A1 (en) * 2019-01-04 2020-07-09 Withings Cuff-Type Monitoring Device For Monitoring Cardiovascular Parameters
CN114533009A (zh) * 2020-11-25 2022-05-27 华为技术有限公司 血压测量装置及其加压方法
EP4052641A1 (fr) * 2021-03-02 2022-09-07 Murata Manufacturing Co., Ltd. Dispositif de détection de signe vital
CN216317577U (zh) * 2021-09-14 2022-04-19 杨成 一种血压计的气囊结构

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