CN104257366A - Wearable physiological sign detection sensor, preparation method and monitoring system - Google Patents

Wearable physiological sign detection sensor, preparation method and monitoring system Download PDF

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Publication number
CN104257366A
CN104257366A CN201410471396.8A CN201410471396A CN104257366A CN 104257366 A CN104257366 A CN 104257366A CN 201410471396 A CN201410471396 A CN 201410471396A CN 104257366 A CN104257366 A CN 104257366A
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sensitive material
supporting layer
detecting sensor
layer
physiology sign
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CN201410471396.8A
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CN104257366B (en
Inventor
张珽
熊作平
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Suzhou Neng Sida Electronic Science And Technology Co Ltd
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Suzhou Neng Sida Electronic Science And Technology Co Ltd
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/02Detecting, 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
    • A61B5/0205Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/0002Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
    • A61B5/0015Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by features of the telemetry system
    • A61B5/0022Monitoring a patient using a global network, e.g. telephone networks, internet
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/68Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801Arrangements 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
    • A61B5/6802Sensor mounted on worn items
    • A61B5/6804Garments; Clothes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/68Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801Arrangements 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
    • A61B5/6813Specially adapted to be attached to a specific body part
    • A61B5/6823Trunk, e.g., chest, back, abdomen, hip
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/72Signal processing specially adapted for physiological signals or for diagnostic purposes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/72Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7225Details of analog processing, e.g. isolation amplifier, gain or sensitivity adjustment, filtering, baseline or drift compensation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/74Details of notification to user or communication with user or patient ; user input means
    • A61B5/742Details of notification to user or communication with user or patient ; user input means using visual displays
    • A61B5/7445Display arrangements, e.g. multiple display units
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/68Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801Arrangements 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
    • A61B5/683Means for maintaining contact with the body
    • A61B5/6832Means for maintaining contact with the body using adhesives
    • A61B5/6833Adhesive patches

Abstract

The invention relates to the physiological monitoring field and discloses a wearable physiological sign detection sensor, a preparation method for the wearable physiological sign detection sensor and a monitoring system based on the wearable physiological sign detection sensor. The wearable physiological sign detection sensor is used for monitoring heart rate and respiratory rate. The wearable physiological sign detection sensor comprises a fabric object, a support layer, a sensitive material layer, an electrode layer and a protection layer, wherein the sensitive material layer is made of three-dimensional porous nanometer sensitive material, the protection layer and the support layer are made of flexible high-molecular polymer and have bio-compatibility, and the protection layer and the support layer together package the sensitive material layer. The wearable physiological sign detection sensor is light, thin and soft; the wearable physiological sign detection sensor can be processed into different shapes, and the wearable physiological sign detection sensor can attach to the skin surface or be worn at the skin surface; the wearable physiological sign detection sensor is capable of gathering the chest heart rate and respiratory rate data through integrating on the fabric in contact with the heartbeat region of the chest so as to effectively monitor the heartbeat information.

Description

A kind of wearable physiology sign detecting sensor, preparation method and monitoring system thereof
Technical field
The present invention relates to physiology monitoring field, particularly relate to a kind of wearable physiology sign detecting sensor, preparation method and monitoring system thereof.
Background technology
Heart rate and respiratory frequency are one of important physiology physical sign parameters of human body, carrying out Real-Time Monitoring to it is the physiological health information that user provides, and has important value by the health evaluating of user and disease (as cardiovascular system diseases) primary prevention.
The instrument of medical monitoring heart rate traditional is at present a lot, common are the checkout gear based on types such as pressure transducer, photoelectric sensor, capacitance sensor and electroacoustic transducers.Ancient Chinese carrys out application of the law palmic rate by pulse-taking, though method is simple and convenient, diagnostic result correctness depends on the experience of doctor, is difficult to objective quantification; Infrared method be flow in " pulse " mode based on arterial blood and cause subcutaneous infrared reflectivity to occur elementary errors does not detect heart rate, but this method can by skin effects and cause testing result error; Powerful based on electrocardiogram monitor that is embedded and DSP, but because chip price is expensive, using method and electrode lay all very professionalization and be difficult to realize popular, facilitation.Therefore, people urgently wish that exploitation is a not only economical and practical but also facilitate the novel heart rate and respiratory frequency monitor of monitoring.
The domestic and international wearable medical fabrics for monitoring physiological signal also has some to report at present, " the life shirt " of such as U.S. VivoMetrics company exploitation, the breathing situation of wearer and the position chanP of record human body can be reflected, but bad, the complicated operation of its wearing property, be not suitable for using in daily life and work; Milior of Prado company of Italy the intelligence sensor of fiber or form of yarns is combined with fabric technology etc. monitor breathe, body temperature, but price is high and comfort that is that dress in daily life is bad, affects its practicality; The T-shirt with sensing function of Germany Fraunhofer IZM exploitation can realize the detection to wearer's cardiac electrophysiology parameter, but long-term and contact skin can cause skin ulceration.In prior art other for the instrument that heart rate and respiratory frequency detect exist equally complicated operation, cost high, carry inconvenience, daily monitoring requirements can not be met, the problem such as poor biocompatibility, wearing are uncomfortable.
The key of novel heart rate and respiratory frequency monitoring technology is the preparation of sensor, investigation finds, at present for gathering the wearable electronic fabric of heart rate and respiratory frequency and little by judging the professional Wearable fabric of Human Physiology health to the analysis of chest heartbeat signal, and it is daily at any time with facilitating almost not having of monitoring requirements to meet ordinary people, therefore develops a intellectuality, the heart rate of popular, scientific and facilitation and respiratory frequency monitoring tool and seeming particularly important.
Summary of the invention
For overcoming the deficiencies in the prior art, the present invention seeks to: a kind of wearable physiology sign detecting sensor is provided, wearable physiology sign detecting sensor being integrated on the fabric contacted with chest heart beating and just can gathering heartbeat data and respiratory frequency data.
In order to solve the technical problem in background technology, the invention provides a kind of wearable physiology sign detecting sensor, for monitor heart rate and respiratory frequency, comprising fabric object; Supporting layer, it is formed on described fabric object and touches in the region of chest heart beating; Sensitive material, it is formed at the upper surface of described supporting layer; Electrode layer, comprises at least two electrodes of drawing from sensitive material or sensitive material surface; And protective layer, it is formed at the part that the upper surface of described sensitive material or the upper surface of sensitive material and electrode layer are positioned at the upper surface of sensitive material; Wherein, described sensitive material is made up of the poroid nano sensitive material of three-dimensional, and described protective layer and supporting layer are made up of flexible macromolecule polymer and have biocompatibility, and described protective layer and supporting layer wrap up described sensitive material jointly.
The size in the hole of the poroid nano sensitive material of three-dimensional of described sensitive material is 0.2-20 μm, and the gap between Kong Yukong is 10-200 μm, and described sensitive material is prepared by following steps:
S1, material with carbon element and volatile solvent for carrying out supersound process 30 ~ 60min after 1:1 ~ 1:3 mixing, obtain slurry mixture in mass ratio;
S2, to add in slurry mixture with material with carbon element mass ratio be the flexible macromolecule polymer of 1:1 ~ 1:6, after stirring mixture of viscous form;
S3, mixture of viscous form is coated on supporting layer, is then heating and curing at 70 ~ 80 DEG C, thus obtained described sensitive material.
Indication material with carbon element of the present invention is selected from one or more the combination in Graphene, redox graphene, graphene oxide, CNT; Described volatile organic solvent is one or more the combination in ethanol, dichloromethane, ethyl acetate, acetone, carbon tetrachloride; Described flexible macromolecule polymer is polydimethylsiloxane (PDMS), ethylene-vinyl acetate copolymer, polyvinyl alcohol, polyethylene terephthalate or polyimides or polyethylene.
One end that described electrode leans out sensitive material does not contact with protective layer with described supporting layer, or one end that described electrode leans out sensitive material connects wireless transmitter and described electrode and wireless transmitter and all jointly wrapped up by described supporting layer and protective layer.
The thickness range of described supporting layer is 10-150 μm, described supporting layer is PDMS thin film, or the flexible macromolecule polymer of supporting layer is the one in ethylene-vinyl acetate copolymer, polyvinyl alcohol, polyethylene terephthalate, polyimides, polyethylene; Described protective layer to be thickness range the be PDMS thin film of 10-50 μm, or for thickness range be polyethylene (PE) thin film or the ethylene-vinyl acetate copolymer thin film of 10-50 μm; Described electrode comprises conductive non-woven fabrics or Copper Foil.
Present invention also offers a kind of preparation method of wearable physiology sign detecting sensor, described wearable physiology sign detecting sensor is for monitoring chest heart beating, comprise the following steps: S1, the region touching chest heart beating on fabric object are coated with one deck flexible macromolecule polymer and form fexible film, are supporting layer; S2, on described supporting layer, be coated with the three-dimensional poroid nano sensitive material of one deck, obtain sensitive material; S3, extraction at least two strip electrodes, sensitive material described in the end thereof contacts of described electrode, the other end leans out described sensitive material; S4, be coated with one deck flexible macromolecule polymer on described sensitive material surface, formed and cover described sensitive material and also jointly wrap up the protective layer of described sensitive material with described supporting layer.
The thickness range of the supporting layer in step S1 is 10-150 μm, supporting layer is PDMS thin film, or the flexible macromolecule polymer of supporting layer be in ethylene-vinyl acetate copolymer, polyvinyl alcohol, polyethylene terephthalate, polyimides, polyethylene any one or multiple; Protective layer in step S4 to be thickness range the be PDMS thin film of 10-50 μm, or for thickness range be PE thin film or the ethylene-vinyl acetate copolymer thin film of 10-50 μm.
In step S3, the material of electrode comprises conductive non-woven fabrics or Copper Foil, or the material of described electrode can also be one or more combinations in gold, platinum, nickel, silver, indium, CNT, Graphene or nano silver wire; The lead-out mode of electrode is for pasting, printing or physics cutting.
Present invention also offers a kind of monitoring system based on above-mentioned wearable physiology sign detecting sensor, comprise with lower module:
Signal acquisition module, it comprises wearable physiology sign detecting sensor as above, for gathering human heartbeat's variable signal; Analog-to-digital conversion module, is converted to digital signal for signal signal acquisition module collected; Signal processing module, for the treatment of, analyze the digital signal that obtains of analog-to-digital conversion module, and draw monitoring analysis result; Display module, for showing the monitoring analysis result that described signal processing module exports.
Described monitoring system also comprises wireless communication module, and it is mutual for the transmission realizing signal between described analog-to-digital conversion module and signal processing module, or transmission simultaneously for realizing signal between described signal acquisition module and analog-to-digital conversion module is mutual.
Described signal processing module and display module composite software are also loaded into client, and described signal processing module also has the function deriving described monitoring analysis data.
The principle of wearable physiology sign detecting sensor of the present invention 1. adopts three-dimensional poroid nano material to prepare the sensitive material of sensor, chest heart beating fluctuation signal can be detected delicately; 2. fabric object is by intersecting by tiny soft and long thing, around the flat film block object that knot or bonding are formed, supporting layer and protective layer all have biocompatibility, and supporting layer can be fitted on fabric object preferably, do not have side effects when protective layer contact skin; 3. supporting layer and protective layer all adopt flexible macromolecule polymer, and carry out protectiveness parcel to sensitive material, make sensitive material can not be damaged along with waterproof when fabric washing; 4. the supporting layer area of described sensor is minimum can accomplish 0.1mm 2, described sensor can accomplish 0.01mm the thickness of fabric object projection is minimum, and described fabric object is dressed can not produce the impression being unfavorable for daily routines with it; 5. wearable physiology sign detecting sensor comprises the sensitive material of several array arrangements, strengthens the detection sensitivity of wearable physiology sign detecting sensor.
The principle of the monitoring system based on described wearable physiology sign detecting sensor of the present invention is that wearable physiology sign detecting sensor can be detected the signal of chest heart beating and be exported as electronic signals by sensor 1. when chest contact fabric; 2. the signal of telecommunication is by passing through after analog-to-digital conversion module to become digital signal to carrying out A/D conversion after signal of telecommunication amplification, filtering, modulation; 3. digital signal is by after signal processing module process, and display module shows the monitoring analysis result of chest heart beating, as heart rate and respiratory frequency ripple the waveform, wave amplitude, the integrated information such as velocity of wave and cycle that present; 4. between analog-to-digital conversion module and signal processing module, or signal transmission is connected by wireless communication module or wired mode between signal acquisition module with analog-to-digital conversion module; If 5. carry out Signal transmissions by wireless communication module between signal acquisition module and analog-to-digital conversion module, then one end of the not tactiosensible material layer of electrode of wearable physiology sign detecting sensor connects wireless transmitter, and described wireless transmitter is together wrapped in supporting layer and protective layer; If be 6. connected by wired mode between signal acquisition module with analog-to-digital conversion module and carry out Signal transmissions, then described signal processing module and sensor are together integrated on fabric.
Adopt technique scheme, the present invention has following beneficial effect: 1. in the present invention, wearable physiology sign detecting sensor volume is small, can be processed to various shape, can attach, be worn on skin surface, easy to use and for masses can accept, do not affect daily routines; 2. the sensitive material of sensor is by flexible macromolecule polymer wrapped, and waterproof is anti-extrusion; 3. this monitoring system is lightly easily with, real-time is good, when human normal activity, can feed back chest heartbeat inspecting data and display analysis result objectively in time, thus monitor physiology sign more easily.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the wearable physiology sign detecting sensor that the embodiment of the present invention provides;
Fig. 2 is the structural representation that wearable physiology sign detecting sensor that the embodiment of the present invention provides is attached to underclothes chest heartbeat position;
Fig. 3 is the system block diagram of the monitoring system based on described wearable physiology sign detecting sensor that the embodiment of the present invention one, three provides;
Fig. 4 is the system block diagram of the monitoring system based on described wearable physiology sign detecting sensor that the embodiment of the present invention two provides.
In figure, Reference numeral corresponds to: 1-protective layer, 2-electrode, 3-sensitive material, 4-supporting layer, 5-fabric object, 51-underclothes, 6-wearable physiology sign detecting sensor.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of protection of the invention.
Embodiment one:
Fig. 2 is attached to the structural representation of heart beating corresponding region, underclothes chest for wearable physiology sign detecting sensor that the embodiment of the present invention provides, Fig. 1 is the structural representation of wearable physiology sign detecting sensor 6 in Fig. 2, see by knowing in figure, wearable physiology sign detecting sensor 6 of the present invention, for monitor heart rate and respiratory frequency, comprising: fabric object 5; Supporting layer 4, it is formed on described fabric object 5 and contacts in the region of chest heart beating; Sensitive material 3, it is formed at the upper surface of described supporting layer 4; Electrode layer 2, comprises at least two electrodes of drawing from sensitive material 3 or sensitive material 3 surface; And protective layer 1, it is formed at the part that the upper surface of described sensitive material 3 or the upper surface of sensitive material 3 and electrode layer 2 are positioned at the upper surface of sensitive material 3; Wherein, described sensitive material 3 is made up of the poroid nano sensitive material of three-dimensional, and described protective layer 1 is made up of flexible macromolecule polymer with supporting layer 4 and has biocompatibility, and described protective layer 1 wraps up described sensitive material 3 jointly with supporting layer 4.
Wherein, described fabric object 5 be underclothes just to the position in chest, supporting layer 4 is formed at medicated clothing and is through at human contact in the region of chest heart beating.
Preferably, the poroid nano sensitive material of three-dimensional of described sensitive material has 0.2-20 μm of hole not of uniform size, and the gap between Kong Yukong is 10-200 μm, and described sensitive material 3 is prepared by following steps:
S1, redox graphene and ethanol for carrying out supersound process 30 ~ 60min after 1:1 ~ 1:3 mixing, obtain slurry mixture in mass ratio;
S2, to add with redox graphene mass ratio in slurry mixture be the PDMS of 1:1 ~ 1:6, after stirring mixture of viscous form;
S3, mixture of viscous form is coated on supporting layer 4, is then heating and curing at 70 ~ 80 DEG C, thus obtained described sensitive material 3.
One end that described electrode 2 leans out sensitive material 3 does not contact with protective layer 1 with described supporting layer 4; electrode 2 is flexible electrode, one end electrode 2 being leant out sensitive material 3 draw and be connected to the electronic component such as signal processing unit, wireless transmitter is housed flexible PCB on.
Described supporting layer 4 for thickness be the PDMS thin film of 80 μm; Described protective layer 1 for thickness be the PDMS thin film of 20 μm; Described electrode 2 comprises conductive non-woven fabrics.
Alternatively, the flexible macromolecule polymer of described supporting layer 4 is the one in ethylene-vinyl acetate copolymer, polyvinyl alcohol, polyethylene terephthalate, polyimides, polyethylene; Described protective layer 1 can also be polyethylene or the ethylene-vinyl acetate copolymer thin film of 10-50 μm for thickness range.
The embodiment of the present invention additionally provides a kind of preparation method of wearable physiology sign detecting sensor, and described wearable physiology sign detecting sensor is used for monitor heart rate and respiratory frequency, comprises the following steps:
S1, be coated with one deck flexible macromolecule polymer at fabric isoelectric membrane to the region of chest heart beating and form fexible film, be supporting layer;
S2, on described supporting layer, be coated with the three-dimensional poroid nano sensitive material of one deck, obtain sensitive material;
S3, in step s 2 sensitive material surface draw two strip electrodes;
S4, be coated with one deck flexible macromolecule polymer on described sensitive material surface, formed and cover described sensitive material and also jointly wrap up the protective layer of described sensitive material with described supporting layer.
Particularly, surface cleaning process is carried out in the region touching chest heart beating when first medicated clothing being through at human body in step S1, evenly to brush in cleaning area or spin coating a layer thickness is the PDMS thin film of 80 μm, the long 25mm of this thin film, wide 15mm and be less than the area of cleaning area, and be heating and curing in the baking oven of 70 DEG C two hours, supporting layer and medicated clothing are combined together.
Alternatively, the flexible macromolecule polymer of described supporting layer can also be the one in ethylene-vinyl acetate copolymer, polyvinyl alcohol, polyethylene terephthalate, polyimides, polyethylene.
Particularly, getting appropriate viscous liquid sensitive material even spin coating a layer thickness in step S2 is that the sensitive material of 60 μm is in the central area of above-mentioned supporting layer, the long 20mm of this sensitive material, wide 10mm, and a period of time that is heating and curing make sensitive material layers of polymer, and supporting layer combines together.
In step S3, the material of electrode comprises conductive non-woven fabrics, its thickness preferably 60 μm, width 1.5mm; Alternatively, described electrode can also be Copper Foil, its thickness preferably 10 μm, width 1.5mm; The lead-out mode of electrode is for pasting.
Particularly, in step S4 have the sensitive material surface integral of electrode cover a layer thickness be the PDMS thin film of 20 μm as protective layer, be heating and curing make electrode and sensitive material, supporting layer, underclothes heart beating corresponding region, chest melt as a whole.Alternatively, described protective layer or for thickness range be polyethylene or the ethylene-vinyl acetate copolymer thin film of 10-50 μm.
The embodiment of the present invention additionally provides a kind of monitoring system based on described wearable physiology sign detecting sensor, as shown in Figure 3, comprises with lower module:
Signal acquisition module, it comprises wearable physiology sign detecting sensor as above, for gathering human heartbeat's variable signal; Analog-to-digital conversion module, is converted to digital signal for signal signal acquisition module collected; Signal processing module, for the treatment of, analyze the digital signal that obtains of analog-to-digital conversion module, and draw monitoring analysis result; Display module, for showing the monitoring analysis result that described signal processing module exports.
Described analog-to-digital conversion module carries out A/D conversion by after the amplification of the signal of signal acquisition module collection, filtering, modulation, improves the signal to noise ratio of output signal, and the digital signal after conversion is sent to signal processing module in the mode of wireless transmission.
Described signal acquisition module is by drawing flexible electrode connection signal processing module, and namely described signal acquisition module and signal processing module are connected by wired mode; The described monitoring system based on described wearable physiology sign detecting sensor also comprises wireless communication module, and it is mutual for the transmission realizing signal between described analog-to-digital conversion module and signal processing module.The preferred Bluetooth wireless transmission of transmission technology of wireless communication module, the transmission technology of wireless communication module can also adopt GPRS (General Packet Radio Service, general packet radio service technology), GSM (Global System of Mobile communication, global system for mobile communications), WLAN (Wireless Local Area Networks, WLAN), CDMA (Code Division Multiple Access), TDMA (Time Division Multiple Access, time division multiple acess), NFC (Near Field Communication, near-field communication), Wi-Fi (Wireless-Fidelity, Wireless Fidelity), infrared wireless technology, television communication network or other long-distance communication networks.
Described display module for showing the monitoring analysis result after operational analysis process, as heart rate and respiratory frequency ripple the waveform, wave amplitude, the integrated information such as velocity of wave and cycle that present.
Described signal processing module and display module composite software are also loaded into client, and for preventing the loss of Monitoring Data, described signal processing module also has the function deriving described monitoring analysis data.Described client comprises smart mobile phone, panel computer, notebook computer, Multifunctional liquid crystal display watch and oscillograph etc.
Embodiment two:
Fig. 2 is attached to the structural representation of heart beating corresponding region, underclothes chest for wearable physiology sign detecting sensor that the embodiment of the present invention provides, Fig. 1 is the structural representation of wearable physiology sign detecting sensor 6, see by knowing in figure, wearable physiology sign detecting sensor 6 of the present invention, for monitor heart rate and respiratory frequency, comprising: fabric object 5; Supporting layer 4, it is formed on described fabric object 5 and contacts in the region of chest heart beating; Sensitive material 3, it is formed at the upper surface of described supporting layer 4; Electrode layer 2, comprises eight electrodes of drawing from sensitive material 3 or sensitive material 3 surface; And protective layer 1, it is formed at the part that the upper surface of described sensitive material 3 or the upper surface of sensitive material 3 and electrode layer 2 are positioned at the upper surface of sensitive material 3; Wherein, described sensitive material 3 is made up of the poroid nano sensitive material of three-dimensional, and described protective layer 1 is made up of flexible macromolecule polymer with supporting layer 4 and has biocompatibility, and described protective layer 1 wraps up described sensitive material 3 jointly with supporting layer 4.
Wherein, described supporting layer 4 is formed at clothing in contact in the region of chest heart beating.
Preferably, the poroid nano sensitive material of three-dimensional of described sensitive material has 0.2-20 μm of hole not of uniform size, and the gap between Kong Yukong is 10-200 μm, and described sensitive material 3 is prepared by following steps:
S1, Graphene and carbon tetrachloride for carrying out supersound process 30 ~ 60min after 1:1 ~ 1:3 mixing, obtain slurry mixture in mass ratio;
S2, to add with Graphene mass ratio in slurry mixture be the PDMS of 1:1 ~ 1:6, after stirring mixture of viscous form;
S3, mixture of viscous form is coated on supporting layer 4, is then heating and curing at 70 ~ 80 DEG C, thus obtained described sensitive material 3.
One end that described electrode 2 leans out sensitive material 3 connects wireless transmitter, and described electrode 2 and wireless transmitter are all wrapped up jointly by described supporting layer 4 and protective layer 1.
Described supporting layer 4 is the ethylene-vinyl acetate copolymer thin film of thickness 150 μm; Described protective layer 1 is the ethylene-vinyl acetate copolymer thin film of thickness 50 μm; Described electrode 2 comprises electrically conductive graphite.
Alternatively, the flexible macromolecule polymer of described supporting layer 4 can also be the one in polydimethylsiloxane, polyvinyl alcohol, polyethylene terephthalate, polyimides, polyethylene; Described protective layer 1 can also be polyethylene film or the polydimethylsiloxanefilm film of 10-50 μm for thickness range.
The embodiment of the present invention additionally provides a kind of preparation method of wearable physiology sign detecting sensor, and described wearable physiology sign detecting sensor is used for monitor heart rate and respiratory frequency, comprises the following steps:
S1, be coated with one deck flexible macromolecule polymer at fabric isoelectric membrane to the region of chest heart beating and form fexible film, be supporting layer;
S2, on described supporting layer, be coated with the three-dimensional poroid nano sensitive material of one deck, obtain sensitive material;
S3, in step s 2 sensitive material surface draw eight strip electrodes;
S4, be coated with one deck flexible macromolecule polymer on described sensitive material surface, formed and cover described sensitive material and also jointly wrap up the protective layer of described sensitive material with described supporting layer.
Particularly, first surface cleaning process is carried out in the region of clothing in contact heartbeat in step S1, in cleaning area, evenly brushing or spin coating a layer thickness are the ethylene-vinyl acetate copolymer thin film of 150 μm, the long 25mm of this thin film, wide 15mm, and be heating and curing a period of time, supporting layer and fabric are combined together.Alternatively, the flexible macromolecule polymer of described supporting layer can also be the one in polydimethylsiloxane, polyvinyl alcohol, polyethylene terephthalate, polyimides, polyethylene.
Particularly, getting appropriate viscous liquid sensitive material even spin coating thickness in step S2 is that the sensitive material of 100 μm is in the central area of above-mentioned supporting layer, and described sensitive material is divided into the array arrangement that two row two arrange, and a period of time that is heating and curing makes sensitive material layers of polymer, and supporting layer combines together.
In step S3, the material of electrode comprises electrically conductive graphite; The lead-out mode of electrode is physics cutting.
Particularly, in step S4 have the sensitive material surface integral of electrode cover a layer thickness be the ethylene-vinyl acetate copolymer thin film of 50 μm as protective layer, be heating and curing and make electrode and sensitive material, supporting layer, fabric product melt as a whole.Alternatively, described protective layer can also be polyethylene film or the polydimethylsiloxanefilm film of 10-50 μm for thickness range.
The embodiment of the present invention additionally provides a kind of monitoring system based on described wearable physiology sign detecting sensor, as shown in Figure 4, comprises with lower module:
Signal acquisition module, it comprises wearable physiology sign detecting sensor as above, for gathering human heartbeat's variable signal; Analog-to-digital conversion module, is converted to digital signal for signal signal acquisition module collected; Signal processing module, for the treatment of, analyze the digital signal that obtains of analog-to-digital conversion module, and draw monitoring analysis result; Display module, for showing the monitoring analysis result that described signal processing module exports.
Described analog-to-digital conversion module carries out A/D conversion by after the amplification of the signal of signal acquisition module collection, filtering, modulation, improves the signal to noise ratio of output signal, and the digital signal after conversion is sent to signal processing module in the mode of wireless transmission.
The described monitoring system based on described wearable physiology sign detecting sensor also comprises wireless communication module, it is mutual for the transmission realizing signal between described analog-to-digital conversion module and signal processing module, and transmission simultaneously for realizing signal between described signal acquisition module and analog-to-digital conversion module is mutual.The preferred Bluetooth wireless transmission of transmission technology of wireless communication module, the transmission technology of wireless communication module can also adopt GPRS, GSM, WLAN, CDMA, TDMA, NFC, Wi-Fi, infrared wireless technology, television communication network or other long-distance communication networks.
Described display module for showing the monitoring analysis result after operational analysis process, as heart rate and respiratory frequency ripple the waveform, wave amplitude, the integrated information such as velocity of wave and cycle that present.
Described signal processing module and display module composite software are also loaded into client, and for preventing the loss of Monitoring Data, described signal processing module also has the function deriving described monitoring analysis data.Described client comprises smart mobile phone, panel computer, notebook computer, Multifunctional liquid crystal display watch and oscillograph etc.
Embodiment three:
Fig. 2 is attached to the structural representation of heart beating corresponding region, underclothes chest for wearable physiology sign detecting sensor that the embodiment of the present invention provides, Fig. 1 is the structural representation of wearable physiology sign detecting sensor 6 in Fig. 2, see by knowing in figure, wearable physiology sign detecting sensor 6 of the present invention, for monitor heart rate and respiratory frequency, comprising: fabric object 5; Supporting layer 4, it is formed on described fabric object 5 and contacts in the region of chest heart beating; Sensitive material 3, it is formed at the upper surface of described supporting layer 4; Electrode layer 2, comprises at least two electrodes of drawing from sensitive material 3 or sensitive material 3 surface; And protective layer 1, it is formed at the part that the upper surface of described sensitive material 3 or the upper surface of sensitive material 3 and electrode layer 2 are positioned at the upper surface of sensitive material 3; Wherein, described sensitive material 3 is made up of the poroid nano sensitive material of three-dimensional, and described protective layer 1 is made up of flexible macromolecule polymer with supporting layer 4 and has biocompatibility, and described protective layer 1 wraps up described sensitive material 3 jointly with supporting layer 4.
Wherein, described fabric object 5 be underclothes just to the position in chest, supporting layer 4 is formed at medicated clothing and is through at human contact in the region of chest heart beating.
Preferably, the poroid nano sensitive material of three-dimensional of described sensitive material has 0.2-20 μm of hole not of uniform size, and the gap between Kong Yukong is 10-200 μm, and described sensitive material 3 is prepared by following steps:
S1, CNT and acetone for carrying out supersound process 30 ~ 60min after 1:1 ~ 1:3 mixing, obtain slurry mixture in mass ratio;
S2, add with carbon nanotube mass than being the PDMS of 1:1 ~ 1:6 in slurry mixture, after stirring mixture of viscous form;
S3, mixture of viscous form is coated on supporting layer 4, is then heating and curing at 70 ~ 80 DEG C, thus obtained described sensitive material 3.One end that described electrode 2 leans out sensitive material 3 does not contact with protective layer 1 with described supporting layer 4, one end electrode 2 being leant out sensitive material 3 draw and be connected to the electronic component such as signal processing unit, wireless transmitter is housed flexible PCB on.
Described supporting layer 4 is the PDMS thin film of thickness 20 μm; Described protective layer 1 is the PE thin film of thickness 12 μm; Described electrode 2 comprises nano silver wire or CNT.
Alternatively, the flexible macromolecule polymer of described supporting layer 4 can also be the one in ethylene-vinyl acetate copolymer, polyvinyl alcohol, polyethylene terephthalate, polyimides, polyethylene; Described protective layer 1 can also be PDMS or the ethylene-vinyl acetate copolymer thin film of 10-50 μm for thickness range.
The embodiment of the present invention additionally provides a kind of preparation method of wearable physiology sign detecting sensor, and described wearable physiology sign detecting sensor is used for monitor heart rate and respiratory frequency, comprises the following steps:
S1, be coated with one deck flexible macromolecule polymer at fabric isoelectric membrane to the region of chest heart beating and form fexible film, be supporting layer;
S2, on described supporting layer, be coated with the three-dimensional poroid nano sensitive material of one deck, obtain sensitive material;
S3, in step s 2 sensitive material surface draw two strip electrodes;
S4, be coated with one deck flexible macromolecule polymer on described sensitive material surface, formed and cover described sensitive material and also jointly wrap up the protective layer of described sensitive material with described supporting layer.
Particularly, surface cleaning process is carried out in the region first underclothes being touched chest heart beating in step S1, evenly to brush in cleaning area or spin coating a layer thickness is the PDMS thin film of 20 μm, the long 25mm of this thin film, wide 15mm, and be heating and curing a period of time, supporting layer and underclothes are just combined together to the region in chest.Alternatively, the flexible macromolecule polymer of described supporting layer can also be the one in ethylene-vinyl acetate copolymer, polyvinyl alcohol, polyethylene terephthalate, polyimides, polyethylene.
Particularly, getting appropriate viscous liquid sensitive material even spin coating a layer thickness in step S2 is that the sensitive material of 80 μm is in the central area of above-mentioned supporting layer, the long 20mm of this sensitive material, wide 10mm, and a period of time that is heating and curing make sensitive material layers of polymer, and supporting layer combines together.
In step S3, the material of electrode comprises nano silver wire or CNT; The lead-out mode of electrode is printing.
Particularly, in step S4 have the sensitive material surface integral of electrode cover a layer thickness be the PE thin film of 12 μm as protective layer, be heating and curing and make electrode and sensitive material, supporting layer, heart beating corresponding region, underclothes chest melt as a whole.Alternatively, described protective layer can also be PDMS or the ethylene-vinyl acetate copolymer thin film of 10-50 μm for thickness range.
The embodiment of the present invention additionally provides a kind of monitoring system based on above-mentioned wearable physiology sign detecting sensor, as shown in Figure 3, comprises with lower module:
Signal acquisition module, it comprises wearable physiology sign detecting sensor as above, for gathering human heartbeat's variable signal; Analog-to-digital conversion module, is converted to digital signal for signal signal acquisition module collected; Signal processing module, for the treatment of, analyze the digital signal that obtains of analog-to-digital conversion module, and draw monitoring analysis result; Display module, for showing the monitoring analysis result that described signal processing module exports.
Described analog-to-digital conversion module carries out A/D conversion by after the amplification of the signal of signal acquisition module collection, filtering, modulation, improves the signal to noise ratio of output signal, and the digital signal after conversion is sent to signal processing module in the mode of wireless transmission.
Described signal acquisition module is by extraction electrode connection signal processing module, and namely described signal acquisition module and signal processing module are connected by wired mode; The described monitoring system based on described wearable physiology sign detecting sensor also comprises wireless communication module, and it is mutual for the transmission realizing signal between described analog-to-digital conversion module and signal processing module.The preferred Bluetooth wireless transmission of transmission technology of wireless communication module, the transmission technology of wireless communication module can also adopt GPRS, GSM, WLAN, CDMA, TDMA, NFC, Wi-Fi, infrared wireless technology, television communication network or other long-distance communication networks.
Described display module for showing the monitoring analysis result after operational analysis process, as heart rate and respiratory frequency ripple the waveform, wave amplitude, the integrated information such as velocity of wave and cycle that present.
Described signal processing module and display module composite software are also loaded into client, and for preventing the loss of Monitoring Data, described signal processing module also has the function deriving described monitoring analysis data.Described client comprises smart mobile phone, panel computer, notebook computer, Multifunctional liquid crystal display watch and oscillograph etc.
Wearable physiology sign detecting sensor small for volume is integrated on the fabric that contacts with chest heart beating by the present invention, the sensitive material of sensor is by flexible macromolecule polymer wrapped, light and handy easily band, real-time well just can gather chest heartbeat data, in time feedback monitoring data and display analysis result objectively.
Adopt embodiments of the invention, there is following beneficial effect: 1. in the present invention, flexible sensor wearable physiology sign detecting sensor volume is small, can be processed to various shape, can attach, be worn on skin surface, easy to use and for masses can accept, do not affect daily routines; 2. the sensitive material of sensor is by flexible material flexible macromolecule polymer wrapped, and waterproof is anti-extrusion; 3. this monitoring system is lightly easily with, real-time is good, when human normal activity, can feed back chest heartbeat inspecting data and display analysis result objectively in time, thus monitor physiology sign more easily.
Above disclosedly be only several preferred embodiment of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.

Claims (10)

1. a wearable physiology sign detecting sensor, for monitor heart rate and respiratory frequency, is characterized in that, comprising:
Fabric object (5);
Supporting layer (4), it is formed at and described fabric object (5) touches in the region of chest heart beating;
Sensitive material (3), it is formed at the upper surface of described supporting layer (4);
Electrode layer (2), comprises at least two electrodes of drawing from sensitive material (3) or sensitive material (3) surface;
And protective layer (1), it is formed at the part that the upper surface of described sensitive material (3) or the upper surface of sensitive material (3) and electrode layer (2) are positioned at the upper surface of sensitive material (3);
Wherein, described sensitive material (3) is made up of the poroid nano sensitive material of three-dimensional; described protective layer (1) and supporting layer (4) are made up of flexible macromolecule polymer and have biocompatibility, and described protective layer (1) and supporting layer (4) wrap up described sensitive material (3) jointly.
2. wearable physiology sign detecting sensor as claimed in claim 1, it is characterized in that, the size in the hole of the poroid nano sensitive material of three-dimensional of described sensitive material (3) is 0.2-20 μm, and the gap between Kong Yukong is 10-200 μm, described sensitive material (3) is prepared by following steps:
S1, material with carbon element and volatile solvent for carrying out supersound process 30 ~ 60min after 1:1 ~ 1:3 mixing, obtain slurry mixture in mass ratio;
S2, to add in slurry mixture with material with carbon element mass ratio be the flexible macromolecule polymer of 1:1 ~ 1:6, after stirring mixture of viscous form;
S3, mixture of viscous form to be coated on supporting layer (4), to be then heating and curing at 70 ~ 80 DEG C, thus obtained described sensitive material (3).
3. wearable physiology sign detecting sensor as claimed in claim 1 or 2; it is characterized in that; one end that described electrode (2) leans out sensitive material (3) does not contact with protective layer (1) with described supporting layer (4); or one end that described electrode (2) leans out sensitive material (3) connects wireless transmitter and described electrode (2) and is all jointly wrapped up by described supporting layer (4) and protective layer (1) with wireless transmitter.
4. as the wearable physiology sign detecting sensor in claims 1 to 3 as described in any one, it is characterized in that, the thickness range of described supporting layer (4) is 10-150 μm, described supporting layer (4) is PDMS thin film, or the flexible macromolecule polymer of described supporting layer (4) is the one in ethylene-vinyl acetate copolymer, polyvinyl alcohol, polyethylene terephthalate, polyimides, polyethylene; Described protective layer (1) for thickness range be the PDMS thin film of 10-50 μm, or for thickness range be PE thin film or the ethylene-vinyl acetate copolymer thin film of 10-50 μm; Described electrode (2) comprises conductive non-woven fabrics or Copper Foil.
5. a preparation method for wearable physiology sign detecting sensor, described wearable physiology sign detecting sensor is used for monitor heart rate and respiratory frequency, it is characterized in that, comprises the following steps:
S1, the region touching chest heart beating on fabric object are coated with one deck flexible macromolecule polymer and form fexible film, are supporting layer;
S2, on described supporting layer, be coated with the three-dimensional poroid nano sensitive material of one deck, obtain sensitive material;
S3, in step s 2 sensitive material surface draw at least two strip electrodes;
S4, be coated with one deck flexible macromolecule polymer on described sensitive material surface, formed and cover described sensitive material and also jointly wrap up the protective layer of described sensitive material with described supporting layer.
6. the preparation method of wearable physiology sign detecting sensor as claimed in claim 5, it is characterized in that, the thickness range of the supporting layer in step S1 is 10-150 μm, supporting layer is PDMS thin film, or the flexible macromolecule polymer of supporting layer is the one in ethylene-vinyl acetate copolymer, polyvinyl alcohol, polyethylene terephthalate, polyimides, polyethylene; The array that sensitive material in step S2 is one piece or becomes multiple fritter by a block comminute and form; Protective layer in step S4 to be thickness range the be PDMS thin film of 10-50 μm, or for thickness range be PE thin film or the ethylene-vinyl acetate copolymer thin film of 10-50 μm.
7. the preparation method of the wearable physiology sign detecting sensor as described in claim 5 or 6, it is characterized in that, in step S3, the material of electrode comprises conductive non-woven fabrics, Copper Foil or enamel-covered wire, or described electrode material can also be one or more combinations in gold, platinum, nickel, silver, indium, CNT, Graphene or nano silver wire; The lead-out mode of electrode is for pasting, printing or physics cutting.
8., based on a monitoring system for wearable physiology sign detecting sensor according to claim 1, it is characterized in that, comprise with lower module:
Signal acquisition module, it comprises wearable physiology sign detecting sensor as claimed in claim 1, for gathering human heartbeat's variable signal;
Analog-to-digital conversion module, is converted to digital signal for signal signal acquisition module collected;
Signal processing module, for the treatment of, analyze the digital signal that obtains of analog-to-digital conversion module, and draw monitoring analysis result;
Display module, for showing the monitoring analysis result that described signal processing module exports.
9. the monitoring system of wearable physiology sign detecting sensor as claimed in claim 8, it is characterized in that, also comprise wireless communication module, it is mutual for the transmission realizing signal between described analog-to-digital conversion module and signal processing module, or transmission simultaneously for realizing signal between described signal acquisition module and analog-to-digital conversion module is mutual.
10. the monitoring system of wearable physiology sign detecting sensor as claimed in claim 8 or 9, it is characterized in that, described signal processing module and display module composite software are also loaded into client, and described signal processing module also has the function deriving described monitoring analysis data.
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Inventor after: Xiong Zuoping

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Inventor before: Xiong Zuoping