CN107432738A - A kind of wearable device for detecting physiological signal - Google Patents

A kind of wearable device for detecting physiological signal Download PDF

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Publication number
CN107432738A
CN107432738A CN201710761971.1A CN201710761971A CN107432738A CN 107432738 A CN107432738 A CN 107432738A CN 201710761971 A CN201710761971 A CN 201710761971A CN 107432738 A CN107432738 A CN 107432738A
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CN
China
Prior art keywords
module
signal
wearable
control
nfc module
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201710761971.1A
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Chinese (zh)
Inventor
王晓浩
胡越铭
钱翔
张旻
董瑛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Graduate School Tsinghua University
Original Assignee
Shenzhen Graduate School Tsinghua University
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 Shenzhen Graduate School Tsinghua University filed Critical Shenzhen Graduate School Tsinghua University
Priority to CN201710761971.1A priority Critical patent/CN107432738A/en
Publication of CN107432738A publication Critical patent/CN107432738A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • A61B5/02055Simultaneously evaluating both cardiovascular condition and temperature
    • 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
    • A61B5/02Detecting, 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
    • A61B5/024Detecting, measuring or recording pulse rate or heart rate
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/08Detecting, measuring or recording devices for evaluating the respiratory organs
    • 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

A kind of wearable device for detecting physiological signal,Including signal gathering unit,And the node communications unit separated with signal gathering unit,Signal gathering unit is tatooed including electronics or electronic skin sensor,Filtration module,Amplification module,First NFC module,Node communications unit includes the second NFC module,Power module,Control and wireless communication module,Signal gathering unit is arranged to be attached at the paster shape structure of human chest,Electronics is tatooed or electronic skin sensor is formed on flaky texture,For gathering physiological signal from human body,The second NFC module is sent in a manner of near-field communication by the first NFC module,Again host computer is sent a signal to by control and wireless communication module in a manner of the radio communication of far field,Control and wireless communication module also control the second NFC module to lead to magnetic,Under the magnetic fields,First NFC module is powered for signal gathering unit.The equipment can easily detect physiological signal in real time in the case where realizing wearing comfort.

Description

A kind of wearable device for detecting physiological signal
Technical field
The present invention relates to a kind of wearable device for detecting physiological signal.
Background technology
Wearable health detection is increasingly paid attention to by masses, in real time, continuously, the inspection of long-term physiological signal Survey is also gradually pursued by masses.The commercial wearable product that presently, there are, it is mostly some wrist-watches or the product of bracelet class, places Heart rate, pulse, athletic posture are detected in wrist.The physiological signal detected is relatively fewer, and the use value of signal is relatively It is low.
For being detected with respect to wrist, chest detection can detect more, prior physiological signal, such as:Body temperature, exhale Suction, heart rate, voice signal etc..But in the wearable product in existing laboratory, most products or the wiring because of complexity, or because It is caused to be difficult to be commercialized for relatively low wearing comfortableness, inconvenience is accepted by the public.
The content of the invention
It is a primary object of the present invention to overcome the deficiencies in the prior art, there is provided a kind of detection the wearable of physiological signal sets It is standby, physiological signal can be easily detected in real time in the case where realizing wearing comfort.
To achieve the above object, the present invention uses following technical scheme:
It is a kind of to detect the wearable device of physiological signal, including for detecting the signal gathering unit of physiological signal, also wrap The node communications unit separated with the signal gathering unit is included, the signal gathering unit is tatooed including electronics or electronics Skin sensor, filtration module, amplification module, the first NFC module, the node communications unit include the second NFC module, Power module, control and wireless communication module, the signal gathering unit are arranged to be attached at the paster shape knot of human chest Structure, the electronics is tatooed or electronic skin sensor is formed on the flaky texture, for gathering physiological signal from human body, The physiological signal is after the filtration module, amplification module processing, by first NFC module in a manner of near-field communication Second NFC module is sent to, then is sent out signal in a manner of the radio communication of far field by the control and wireless communication module Host computer is given, the control and wireless communication module also control second NFC module to lead to magnetic, under the magnetic fields, institute The first NFC module is stated to power for the signal gathering unit.
Further:
The node communications unit is arranged to card-like structure.
The control and wireless communication module include microcontroller and radio-frequency antenna.
The thickness of the signal gathering unit is no more than 0.5mm.
The electronics is tatooed or electronic skin sensor is voltage-type or resistance sensor.
The node communications unit uses Grazing condition circuit or the non-flexible circuit of piecemeal.
The node communications unit has soft shell, second NFC module, the power module and the control System and wireless communication module are arranged in the soft shell or on the soft shell.
The material of the soft shell is silica gel.
The host computer can be smart mobile phone or tablet personal computer.
The mode of the far field radio communication is BLE, WIFI or 3G.
Beneficial effects of the present invention:
The present invention provide it is a kind of tatooed based on electronics or the detection physiological signal wearable device of electronic skin sensor, should Equipment, which has, takes the signal gathering unit of separation design and node communications unit, realize maximum comfortableness with it is portable Property on the basis of, detect the physiological signal of body in real time, and data can be uploaded to host computer and timely processing, physiology believed Number detection with analysis, display.
Signal gathering unit and node communications unit separation design in the present invention, and signal gathering unit is using electricity Sub- skin and electronics are tatooed sensor, wearer is difficult to the presence for discovering signal gathering unit when attaching body surface, can be effective This problem of ground solution wearing comfort.Can be in the case where realizing wearing comfort, real-time, easy detection.Using the present invention Design, signal gathering unit is become " skin " of user, the node circuit of equipment becomes communication node, makes communication Node equally can be that other blocks " skin " of user do communication work, and it is flat that such design makes wearable device turn into communication Platform, the formation of this " body area network " for also being tatooed for electronics establish basis.
By the present invention in that with being separated with node communications unit, there is electronics to tatoo or the letter of electronic skin sensor Number Acquisition Circuit, constructs the physiological signal collection unit with superelevation comfortableness, signal gathering unit, can just as tattoo sticker It is attached at human chest Energy and comfort;External magnetic field is provided by node communications unit and is powered, can be worn for 24 hours, it is real When extract the breathing of human body, heart rate, body temperature information.
Brief description of the drawings
Fig. 1 is the structured flowchart of the wearable device of an embodiment of the present invention;
Fig. 2 is use and the structural representation of the node communications unit in an embodiment of the present invention;
Fig. 3 is a kind of signal gathering unit circuit theory diagrams of specific embodiment of the present invention.
Embodiment
Embodiments of the present invention are elaborated below.It is emphasized that what the description below was merely exemplary, The scope being not intended to be limiting of the invention and its application.
Refering to Fig. 1, in one embodiment, a kind of wearable device for detecting physiological signal, including for detecting physiology The signal gathering unit 08 of signal, and the node communications unit 09 separated with the signal gathering unit 08, the letter Number collecting unit 08 is tatooed including electronics or electronic skin sensor 01, filtration module 02, amplification module 03, the first NFC module 04, the node communications unit 09 includes the second NFC module 05, power module (not shown), control and radio communication Module 06, the signal gathering unit 08 are arranged to be attached at the paster shape structure of human chest, and the electronics is tatooed or electricity Sub- skin sensor 01 is formed on the flaky texture, and for gathering physiological signal from human body, the physiological signal passes through After the filtration module 02, the processing of amplification module 03, it is sent to by first NFC module 04 in a manner of near-field communication described Second NFC module 05, then sent a signal to by the control and wireless communication module 06 in a manner of the radio communication of far field Position machine, the control and wireless communication module 06 also control second NFC module 05 to lead to magnetic, described under the magnetic fields First NFC module 04 is that the signal gathering unit 08 is powered.
The present invention is tatooed based on electronics and " the bio-signal acquisition wearable device of electronic skin sensor 01, takes letter The thought of number collecting unit 08 and the separation design of node communications unit 09, signal gathering unit 08 use paster shape knot Structure, can directly be affixed on chest body surface, and node communications unit 09 can be positioned over chest mouth in the form of an IC-card Bag.Signal gathering unit 08 transmits physiological signal with node communications unit 09 using the mode of NFC near-field communications.Node leads to Believe that transmission unit 09 again by signal in the form of wireless far-field communication, sends the signal to host computer 07 and handled.By the method, The functions such as long-range vital signs monitoring and the detection of the long-range state of an illness can be realized.
The control of node communications unit and wireless communication module can include microcontroller and radio-frequency antenna.Node Battery powered is set in communications unit.
Host computer can be tablet personal computer that a smart mobile phone or one have data-handling capacity etc., with Wirelessly reception signal, and the work such as feature extraction, display and transmission are done to signal.
Electronic skin or electronics sensor of tatooing can be voltage-type or resistance sensor;First NFC module can be outside Electric energy is provided for signal gathering unit under boundary's magnetic fields, and by the signal collected by way of near field communication, is passed It is defeated by the node communications unit with remote signal transmittability.Signal is uploaded to upper by node communications unit Machine.
The NFC module of microprocessor control second of node communications unit leads to magnetic, under the magnetic fields, signal acquisition First NFC module of unit provides power supply for signal gathering unit, control A/D collections, quantifies the physiological signal that needs, then by institute The signal collected returns to node communications unit in a manner of near field communication, the micro-control in node communications unit Device processed controls the second NFC module, signal is got with I2C or SPI etc. near-field communication modes, by signal with BLE, WIFI, 3G Host computer processing is sent to Deng far field communication.
Signal gathering unit is outer to be no more than 0.5mm shaped like tattoo sticker, sensor gross thickness, can only lean on skin viscosity just to paste Invest skin surface.
In signal gathering unit, copper cash, pin and copper coil are deposited on a flexible substrate, cabling and first device as circuit Part pad, coil of the copper coil as NFC module;For the communication efficiency of strengthening system, coil is at least double-deck, can increase Q values Signal can be strengthened again;Meanwhile micro-structural is deposited in substrate, as the sensitive layer of sensor, its input pin and circuit draw Pin is joined directly together;
In signal gathering unit, if the sensor selected is voltage-type sensor, sensor input can be directly accessed filtering With amplifying circuit, filtering and the power supply of amplifying circuit are provided by the first NFC module;Filtering and the output end of amplifying circuit directly with The A/D pins connection of first NFC module, after the first NFC module gathers signal, sends a signal to node communications unit. If from resistance sensor, need to access change-over circuit, resistance signal is converted into being suitable for the voltage signal of A/D collections.
The signal of signal gathering unit collection can include multiple physiological signals simultaneously.
In node communications unit, circuit is Grazing condition circuit or the non-flexible circuit design of piecemeal.Described shell is Grazing condition makes, and selected materials are preferably silica gel.Grazing condition shell provides layout ornaments position for internal circuit and furnished with coil Position.The coil of the second NFC module can be designed directly on soft shell in node communications unit, can also be placed coil On rear side of circuit.The second NFC module and microcontroller of described node communications unit, are exchanged in a manner of near-field communication Data, then say that signal is sent to host computer by microprocessor control radio-frequency antenna.
Node communications unit energy can be provided by 3.7V lithium batteries, the different voltages needed for circuit, by circuit Power module provides.
Host computer is by algorithm to the signal analysis and processing gathered and display, it is possible to provide to information consultant, some are beneficial Information.
As shown in Figure 1-Figure 3, bio-signal acquisition of the present invention based on " electronics is tatooed " and " electronic skin " sensor can Wearable device, including:Electronics is tatooed or electronic skin sensor, analog filtering and amplifying circuit, first, second NFC module, control System and wireless communication module, host computer, Acquisition Circuit substrate, wireless transmission unit shell (battery is placed in inside).Circuit block diagram As shown in Figure 1.
In this example, sensor selects porous graphene-piezoresistance sensor, and sensor is placed in heart shirtfront, detection breathing, the heart Rate, temperature signals.Wherein, temperature signals also can be by measuring inside NFC module from belt sensor, and NFC module selects AMS companies core Piece SL13A, chip size:2.36mm×2.36mm×0.1mm.
10 A/D are carried inside NFC, and chip can export constant pressure under magnetic field, and the exportable 3.4V voltages of highest are maximum Output current 5mA.NFC module provides electric energy for leading portion filtering with amplifying circuit.In this example, sensor is piezoresistance sensor, Therefore convert sensor output to voltage output using bridge circuit, after LPF and amplifying circuit, signal adjust to It is adapted to A/D sample ranges inside NFC chip, after being sampled by A/D, sends the signal to node communications unit.
Identical chips can be selected in the NFC module in NFC module and signal gathering unit in node communications unit, The mode of operation of NFC module is Passive Mode, and the NFC module in node communications unit carries for the NFC of signal gathering unit For magnetic field generation with communicating.NFC module in node communications unit is led in a manner of SPI with wireless communication module near field Letter, signal data is exchanged, then host computer is sent a signal to by control and wireless communication module.
In summary, bio-signal acquisition of the present invention based on " electronics is tatooed " and " electronic skin " sensor is wearable sets It is standby, by that with upper type, can possess higher portability, real-time to body heart rate, breathing, temperature signals detection and analysis.
Above content is to combine specific/preferred embodiment further description made for the present invention, it is impossible to is recognized The specific implementation of the fixed present invention is confined to these explanations.For general technical staff of the technical field of the invention, Without departing from the inventive concept of the premise, it can also make some replacements or modification to the embodiment that these have been described, And these are substituted or variant should all be considered as belonging to protection scope of the present invention.

Claims (10)

1. a kind of wearable device for detecting physiological signal, including for detecting the signal gathering unit of physiological signal, its feature It is, in addition to the node communications unit separated with the signal gathering unit, the signal gathering unit include electronics Tatoo or electronic skin sensor, filtration module, amplification module, the first NFC module, the node communications unit includes the Two NFC modules, power module, control and wireless communication module, the signal gathering unit are arranged to that human chest can be attached at Paster shape structure, the electronics tatoo or electronic skin sensor formed on the flaky texture, for being adopted from human body Collect physiological signal, the physiological signal is after the filtration module, amplification module processing, by first NFC module Second NFC module is sent in a manner of near-field communication, then by the control and wireless communication module with far field channel radio The mode of letter sends a signal to host computer, and the control and wireless communication module also control second NFC module to lead to magnetic, Under the magnetic fields, first NFC module is powered for the signal gathering unit.
2. wearable device as claimed in claim 1, it is characterised in that the node communications unit is arranged to card-like Structure.
3. wearable device as claimed in claim 1, it is characterised in that the control and wireless communication module include microcontroller Device and radio-frequency antenna.
4. wearable device as claimed in claim 1, it is characterised in that the thickness of the signal gathering unit is no more than 0.5mm, circuit are formed in flexible ultra-thin substrate.
5. wearable device as claimed in claim 1, it is characterised in that the electronics is tatooed or electronic skin sensor is electricity Pressure type or resistance sensor.
6. the wearable device as described in any one of claim 1 to 5, it is characterised in that the node communications unit is adopted With Grazing condition circuit or the non-flexible circuit of piecemeal.
7. the wearable device as described in any one of claim 1 to 6, it is characterised in that the node communications unit tool Flexible shell, second NFC module, the power module and the control and wireless communication module are arranged on the flexibility In shell or on the soft shell.
8. wearable device as claimed in claim 7, it is characterised in that the material of the soft shell is silica gel.
9. the wearable device as described in any one of claim 1 to 8, it is characterised in that the host computer can be smart mobile phone Or tablet personal computer.
10. the wearable device as described in any one of claim 1 to 9, it is characterised in that the mode of the far field radio communication For BLE, WIFI or 3G.
CN201710761971.1A 2017-08-30 2017-08-30 A kind of wearable device for detecting physiological signal Pending CN107432738A (en)

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Cited By (6)

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Publication number Priority date Publication date Assignee Title
CN108414009A (en) * 2018-02-11 2018-08-17 梦卓科技(深圳)有限公司 Structure and method based on partial pressure automatic sensing node location in replaceable node body sensor network
CN110123305A (en) * 2019-04-13 2019-08-16 复旦大学 A kind of wearable ECG Gathering System of cross-layer optimizing
CN110179457A (en) * 2019-05-31 2019-08-30 电子科技大学 A kind of more physiological signal detecting devices of flexible wearable
CN110368000A (en) * 2019-07-17 2019-10-25 河北科技大学 A kind of continuous blood sugar detector and detection method based on NFC
EP3581896A3 (en) * 2018-05-23 2020-02-19 Infineon Technologies AG Multipolymer sensor array utilizing nfc
CN111707183A (en) * 2020-06-15 2020-09-25 清华大学深圳国际研究生院 Flexible wearable device and preparation method thereof

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CN108414009A (en) * 2018-02-11 2018-08-17 梦卓科技(深圳)有限公司 Structure and method based on partial pressure automatic sensing node location in replaceable node body sensor network
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EP3581896A3 (en) * 2018-05-23 2020-02-19 Infineon Technologies AG Multipolymer sensor array utilizing nfc
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CN110123305A (en) * 2019-04-13 2019-08-16 复旦大学 A kind of wearable ECG Gathering System of cross-layer optimizing
CN110179457A (en) * 2019-05-31 2019-08-30 电子科技大学 A kind of more physiological signal detecting devices of flexible wearable
CN110179457B (en) * 2019-05-31 2021-05-07 电子科技大学 Flexible wearable multi-physiological-signal detection device
CN110368000A (en) * 2019-07-17 2019-10-25 河北科技大学 A kind of continuous blood sugar detector and detection method based on NFC
CN111707183A (en) * 2020-06-15 2020-09-25 清华大学深圳国际研究生院 Flexible wearable device and preparation method thereof

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