CN107811616A - A kind of flexible many reference amounts human body physical sign detector and its application method - Google Patents
A kind of flexible many reference amounts human body physical sign detector and its application method Download PDFInfo
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- CN107811616A CN107811616A CN201610826312.7A CN201610826312A CN107811616A CN 107811616 A CN107811616 A CN 107811616A CN 201610826312 A CN201610826312 A CN 201610826312A CN 107811616 A CN107811616 A CN 107811616A
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- human body
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- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0062—Arrangements for scanning
- A61B5/0064—Body surface scanning
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/053—Measuring electrical impedance or conductance of a portion of the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/053—Measuring electrical impedance or conductance of a portion of the body
- A61B5/0537—Measuring body composition by impedance, e.g. tissue hydration or fat content
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4869—Determining body composition
- A61B5/4872—Body fat
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7225—Details of analog processing, e.g. isolation amplifier, gain or sensitivity adjustment, filtering, baseline or drift compensation
Abstract
The invention provides a kind of flexible many reference amounts human body physical sign detector.The detector integrates flexible substrates, flexible electrode, pulse transducer and process circuit, and the monitoring of pulse is carried out by pulse detector, and the test of human body impedance is carried out by conductive electrode；By stretching detector, preferably coordinate extender, the impedance of human body diverse location can be measured.Compared with prior art, the detector such as can be stretched, be reversed, being folded at the deformation, and human body impedance can be carried out and tested with pulse sign, there is the characteristics of portability, comfortableness, there is good application prospect in health monitoring, fat content detection etc..
Description
Technical field
The present invention relates to human body physical sign detection field, more particularly, to a kind of flexible many reference amounts human body physical sign detector and its
Application method.
Background technology
With the development of Internet of Things, intelligent medical treatment increasingly causes the concern of people.The core of intelligent medical treatment is exactly to realize
The detection of human body physical sign, the core for realizing this function are portable, wearable healthy equipment, and it collects human health information
Intellectuality collection, intelligent storage and classification, it is intelligent interact, intelligent processing method in one, a new round for electronics will be triggered
Revolution.
Original portable, wearable healthy equipment accounts in the intelligent medical treatment competition for the major application demand that faces the future
There is vital status, be the key that China lifts creative core competitiveness.Portable, wearable healthy equipment is maximum
Requirement be exactly perfectly be bonded with organs such as human body, skins, this can only rely on soft, flexible novel electron device,
That is flexible electronic device, it has the unique advantage that all conventional electronics devices do not possess, such as：It is flexible deformation, can be attached
In on the surface of any shape, can reduce and hit by the external world when influenceed, can large area use, and there is lighter weight
And cheaper cost.It is big that flexible electronic and genomics etc. are listed as 21 century ten by Science magazines in 2000
Emerging technology.The famous electronic technology periodical in the whole world《The electronic engineering epoch》Flexible electronic is also classified as by (EE TIMES) for 2010
One of " global ten big emerging technologies ".
The appearance of Google glass causes people increasingly to pay close attention to wearable device, from the intelligence of initial Google glass till now
The equipment such as the energy helmet, intelligent watch, Intelligent bracelet, from initial motion step function, pulse monitoring, heartbeat prison till now
The functions such as control, GPS navigation, wearable device species are increasingly abundanter and more and more intelligent with function.However, market
Above existing wearable device is not also real flexibility equipment, is not also the equipment compatible with human body, such as：Intelligent hand
Table, it integrates strain gauge, acceleration transducer, Magnetic Sensor etc. on the basis of existing wrist-watch and formed, but this
A little sensors are all rigid sensors.
Preferable portable, wearable device is compatible with human body, has the characteristics of flexible, such as：It can bend, draw
Stretch, the organs such as human body skin can be fitted in, can be implanted into clothes.Further, since human body has a variety of signs, such as：Arteries and veins
Fight, human body impedance, blood pressure etc., the human body physical sign detection function of many reference amounts is integrated in the detector of flexibility will improve its intelligence
Change.
The content of the invention
The present invention is directed to portable, wearable device developing status and trend, there is provided a kind of flexible many reference amounts body
Detector is levied, the detector can detect impedance and the pulse wave sign information of human body, and can be stretched, reversed,
The deformation such as folding.
The technical scheme is that：A kind of flexible many reference amounts human body physical sign detector, including flexible substrates, pulse sensing
Device, the first conductive electrode, the second conductive electrode, flexible electrode, and process circuit.
Described flexible substrates are made up of the elastomeric material to insulate and (in order to be distinguished with elastomeric material hereinafter, are somebody's turn to do
Elastomeric material is referred to as the first elastomeric material), it can deform under external force.First elastomeric material can be with
It is thermoplastic elastomer (TPE) or thermoset elastomer materials, including but not limited to silica gel, dimethyl silicone polymer
(PDMS), the one or several kinds in rubber, hydrogel, polyurethane, SEBS, POE etc..
Described flexible electrode is conductive, by liquid metal and elastomeric material (in order to elastomer above
Material is distinguished, and the elastomeric material is referred to as the second elastomeric material) composition.
Described liquid metal be at room temperature be liquid conductive metal material, including but not limited to mercury, gallium-indium alloy,
Gallium-indium-tin alloy, and gallium-indium alloy, the gallium-indium-tin alloy of one or more of doping of magnesium-yttrium-transition metal, solid-state nonmetalloid
Deng.
The second described elastomeric material can deform under external force, can be thermoplastic elastomer (s),
Can be thermoset elastomer materials, including but not limited to silica gel, dimethyl silicone polymer (PDMS), rubber, hydrogel, poly- ammonia
One or several kinds in ester, SEBS, POE etc..
As a kind of structure of flexible electrode, described liquid metal is poured in the second elastomeric material of tubulose.When
When first elastomeric material is identical with the second elastomeric material, the invention provides a kind of side for preparing the flexible electrode
Method, it is specifically：When flexible substrates are molded, the position for preparing flexible electrode is being needed to leave tubulus using mould；Then, in room
Liquid metal is poured into the tubulus under the conditions of temperature.
As another structure of flexible electrode, described liquid metal particle is dispersed in the second elastomeric material.This
Invention provides a kind of method for preparing the flexible electrode, specific as follows：
When the second elastomeric material is solid-state at normal temperatures, and heating melts, the second elastomeric material of melting will be heated
It is uniformly mixed with liquid metal, forms mixture；Then, mixture is applied or irrigated on a flexible substrate, cooling
Flexible electrode is formed after solidification.
When the second elastomeric material is at normal temperatures liquid, when being heating and curing, at room temperature, by liquid metal and liquid
Second elastomer is uniformly mixed, and forms mixture；Then, mixture is applied or irrigated on a flexible substrate, heating
Flexible electrode is formed after solidification.
Described flexible electrode is fixed on a flexible substrate, and one end of flexible electrode is through the first conductive electricity of process circuit connection
Pole, the other end of flexible electrode connect the second conductive electrode.
Described process circuit includes AC signal generation module, signal processing module and control module (MCU)；Exchange letter
Number generation module is connected with the first conductive electrode；Flexible electrode one end is connected with signal processing module, the other end and second
Conductive electrode is connected.
Powered in power supply, under control module control condition, AC signal generation module produces the ripple of specific frequency and amplitude
Shape forms closed-loop path to encourage external impedance, through the first conductive electrode, human body, the second conductive electrode, flexible electrode, encourages
To impedance response signal, the impedance response signal is handled through signal processing module, obtains impedance magnitude.
As a kind of implementation, described AC signal generation module includes power supply, Direct Digital Frequency Synthesizers
(DDS), digital analog converter (DAC), and integrated amplifier；DDS one end is connected with MCU, and the DDS other ends are connected with DAC
Connect, the DAC other end is connected with integrated amplifier.
As a kind of implementation, described signal processing module includes gain amplifying circuit, analog-digital converter (ADC),
And digital signal processing module (DSP)；One end of described gain amplifying circuit is connected with flexible electrode, the other end with
ADC one end is connected, and the ADC other ends are connected with DSP, and the DSP other ends are connected with MCU；Gain amplifying circuit is adopted by ADC
Signal is passed to DSP and carries out digital processing, its real and imaginary parts is exported after discrete Fourier transform to MCU, is passed through by sample, ADC
MCU calculates external impedance size.
Described pulse transducer is connected on flexible substrates, the first conductive electrode or the second conductive electrode, for surveying
Measure human pulse signal.
Described pulse transducer is divided into contactless and contact.It is contactless to include but is not limited to photoelectric sensor
Deng.Contact includes but is not limited to contact piezoresistance sensor, contact pressure-volume sensor, contact piezoelectric transducer, contact
Formula piezo-magnetic sensor etc..When pulse transducer is contact, pulse transducer is in contact with human body skin.Work as pulse transducer
For photoelectric sensor when, photoelectric sensor is not with skin contact, and now flexible substrates, the first conductive electrode or second are conductive
Through hole is provided with electrode, the light that photodetector is sent irradiates skin by through hole and detected.
Preferably, the extensibility of described flexible substrates is more than 150%, Young's modulus is less than 100MPa.
Preferably, the extensibility of described flexible electrode is more than 150%.
Preferably, the extensibility of described flexible electrode is more than the extensibility of flexible substrates.
Preferably, described treatment loop also includes bluetooth module, the bluetooth module connects MCU, for by impedance
Information carries out radio communication.
Preferably, described pulse transducer is located on the first conductive electrode.
During using flexible many reference amounts human body physical sign detector of the invention, by the first conductive electrode and the second conductive electrode point
Human body diverse location is not placed on, is switched on power, you can measures the human body resistance between the first conductive electrode and the second conductive electrode
Anti- information, while can measure pulse signal using pulse transducer.Because flexible substrates and flexible electrode have bending, drawing
The deformability such as stretch, reverse, the placement location of the first conductive electrode and the second conductive electrode can be adjusted, realize detector with
The high fitting of human body skin, measures the impedance information between human body different parts, and pulse information.
In actual use, for the ease of carrying etc., flexible electrode limited length, prolong in such a case, it is possible to design
Long device extends flexible electrode length, in order to measure the parameter measurement between long range position.Now, described flexible many reference amounts people
Body sign detector also includes conductive contact, and the conductive contact is electrically connected with flexible electrode, preferably close with flexible electrode
One end of second conductive electrode is electrically connected.Described extender includes flexible substrates A, flexible electrode A, the second conductive electrode A
With conductive contact A；Flexible electrode A is fixed on flexible substrates A, flexible electrode A one end connection conductive contact A, close to another
End position connects the second conductive electrode A；In use, the conductive contact A in extender and flexible many reference amounts human body physical sign are detected
The conductive tieing of device is connected.
Similar with described flexible substrates, described flexible substrates A is made up of the elastomeric material to insulate, is used in outer masterpiece
Under can deform.Preferably, described described flexible substrates A material and the material phase of described flexible substrates
Together.
Similar with described flexible electrode, described flexible electrode A is conductive, by liquid metal and elastomeric material
Composition.Preferably, described flexible electrode A material is identical with described flexible electrode with structure.
It is similar with the second described conductive electrode with the material and function of the second described conductive electrode A.Preferably, institute
The the second conductive electrode A stated material is identical with the second described conductive electrode.
In summary, the present invention integrated flexible substrates, flexible electrode, pulse transducer and process circuit is formed flexible more
Parameter human body physical sign detector.The monitoring of pulse is carried out by pulse detector；The survey of human body impedance is carried out by conductive electrode
Examination, ECG (electrocardio) signal of human body can be measured；By stretching detector, preferably coordinate extender, human body difference can be measured
The impedance of position, such as：When conductive electrode is attached on human body belly, impedance can be measured, reflects fat content.With it is existing
Technology is compared, the deformations such as flexible many reference amounts human body physical sign detector of the invention can be stretched, reversed, folded, and can
Carry out human body impedance to test with pulse sign, there is the characteristics of portability, comfortableness, in health monitoring, fat content inspection
Survey etc. has good application prospect.
Brief description of the drawings
Fig. 1 is the structural representation of the flexible formula many reference amounts human body physical sign detector in the embodiment of the present invention 1；
Fig. 2 is the structural representation of the extender of the flexible formula many reference amounts human body physical sign detector in the embodiment of the present invention 1；
Fig. 3 is the structured flowchart of the process circuit in the embodiment of the present invention 1.
Reference in Fig. 1-2 is：1 flexible substrates, 2 first conductive electrodes, 3 pulse transducers, 4 process circuits, 5
Two conductive electrodes, 6 flexible electrodes, 7 conductive contacts.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.It is pointed out that implementation as described below
Example is intended to be easy to the understanding of the present invention, without playing any restriction effect to it.
Embodiment 1：
As shown in figure 1, the flexible formula many reference amounts human body physical sign detector in the present embodiment 1 is led including flexible substrates 1, first
Electrode 2, pulse transducer 3, process circuit 4, the second conductive electrode 5, flexible electrode 6, and conductive contact 7.
Wherein, the first conductive electrode 2, process circuit 4, the second conductive electrode 5, flexible electrode 6 are fixedly connected on flexible base
On bottom 1.Pulse transducer 3 is arranged on inside the first conductive electrode 2.
Flexible base material in the present embodiment is elastomeric material dimethyl silicone polymer (PDMS).
In the present embodiment, flexible electrode 6 is made up of liquid alloy gallium indium tin and elastomeric material PDMS.At room temperature, close
Golden gallium indium tin is liquid.Also, the liquid metal is poured in the elastomeric material PDMS of tubulose.
Pulse transducer 3 in the present embodiment is photoelectric sensor, and is provided with through hole, photoelectricity on the first conductive electrode 2
The skin contact with human body, the light sent are not radiated on the skin of people and detected sensor by through hole.
In the present embodiment, process circuit 4 includes AC signal generation module, signal processing module and control module (MCU).
AC signal generation module includes Direct Digital Frequency Synthesizers (DDS), digital analog converter (DAC), integrated amplification
Circuit；DDS one end is connected with MCU, and the DDS other ends are connected with DAC, and the DAC other end is connected with integrated amplifier.
The output end of AC signal generation module connects the first conductive electrode 2.
Signal processing module includes gain amplifying circuit, analog-digital converter (ADC), and digital signal processing module
(DSP).One end of gain amplifying circuit is connected with flexible electrode 6, and the other end is connected with ADC one end, the ADC other ends with
DSP is connected, and the DSP other ends are connected with MCU.
One end of flexible electrode 6 is connected with gain amplifying circuit, and the other end is connected with the first conductive electrode 5.
Under power supply condition of power supply, MCU controls DDS through DAC and the waveform of integrated amplifier generation specific frequency and amplitude
To encourage external impedance, closed-loop path is formed through the first conductive electrode, human body, the second conductive electrode, flexible electrode, excitation obtains
Faint impedance response signal, the faint impedance response signal are sampled through gain amplifying circuit by ADC, and ADC output is sent to
DSP carries out digital processing, and its real and imaginary parts is exported after discrete Fourier transform to MCU, external impedance is calculated by MCU
Size.
In the present embodiment, process circuit 4 also includes bluetooth module, and external impedance size is transferred to bluetooth module by MCU, with
Host computer is communicated.
Power supply is connected with MCU, bluetooth module and AC signal generation module respectively, is powered.
In the present embodiment, the preparation method of the flexible formula many reference amounts human body physical sign detector is as follows：
When flexible substrates are molded, the position for preparing elastic electrode 6 is being needed to leave tubulus using mould, meanwhile, utilize
Mould reserves the position of the first conductive electrode 2, the second conductive electrode 5 and process circuit 4, and the second conductive electrode 5, process circuit
4 lead is connected with tubulus；Then, the gallium-indium-tin alloy at room temperature for liquid is poured into tubulus, conductive contact 7 is straight
Connect and be sealed in tubulus.
In the present embodiment, the extensibility of flexible substrates 1 is more than 150%, and Young's modulus is less than 100MPa.Flexible electrode 6
Extensibility is more than 150%, and the extensibility of elastic electrode 6 is more than the extensibility of flexible substrates 1.
In the present embodiment, in order to extend elastic electrode, flexible formula many reference amounts human body physical sign detector also includes extender, such as
Shown in Fig. 2, the extender includes flexible substrates 1, the second conductive electrode 5, flexible electrode 6, and conductive contact 7.Wherein, second
Conductive electrode 5, flexible electrode 6, conductive contact 7 are fixed in flexible substrates 1, one end connection conductive contact 7 of flexible electrode 6,
The second conductive electrode 5 is connected close to another end position.In use, the conductive contact 7 by the conductive contact 7 of extender and detector
Link together, realize the extension of detector.
During using the flexible many reference amounts human body physical sign detector, the first conductive electrode and the second conductive electrode are placed respectively
In human body diverse location, switch on power, you can the human body impedance information between the first conductive electrode and the second conductive electrode is measured,
Simultaneously pulse signal can be measured using pulse transducer.Such as：When the first conductive electrode and the second conductive electrode are attached to human body
During belly diverse location, impedance can be measured, reflects fat content, it is helpful for the effect of supervision fat-reducing.
Because the flexible substrates and flexible electrode have the deformabilities such as bending, stretching, torsion, first can be adjusted
The placement location of conductive electrode and the second conductive electrode, realize that detector is bonded with the height of human body skin, measure human body difference portion
Impedance information between position, and pulse information, and radio communication is carried out by Bluetooth technology.In addition, the flexible many reference amounts people
Body sign detector has the characteristics of portability, comfortableness, has in health monitoring, fat content context of detection good
Application prospect.
Embodiment 2：
In the present embodiment, 1 in the structure and embodiment of flexible formula many reference amounts human body physical sign detector in flexible formula more join
It is essentially identical to measure the structure of human body physical sign detector, except that in flexible electrode 6, liquid metal and is poured in tubulose
In elastomeric material PDMS, but it is dispersed in liquid metal particle in elastomeric material PDMS.
In the present embodiment, the preparation method of the flexible formula many reference amounts human body physical sign detector is as follows：
By be at room temperature liquid gallium-indium-tin alloy with being that the PDMS material of liquid is uniformly mixed at room temperature, formed mixed
It is fit；Then, mixture is applied or irrigated on a flexible substrate, flexible electrode 6 is formed after being heating and curing；Afterwards, soft
The first conductive electrode 2, the second conductive electrode 5 and process circuit 4 are prepared in property substrate 1.
In the present embodiment, application method and the application method in embodiment 1 of flexible formula many reference amounts human body physical sign detector
It is identical, it will not be repeated here.
Technical scheme and beneficial effect are described in detail embodiment described above, it should be understood that
The specific embodiment of the present invention is the foregoing is only, is not intended to limit the invention, it is all to be done in the spirit of the present invention
Any modification and improvement etc., should be included in the scope of the protection.
Claims (11)
1. a kind of flexible many reference amounts human body physical sign detector, it is characterized in that：Including flexible substrates, pulse transducer, the first conduction
Electrode, the second conductive electrode, flexible electrode, and process circuit；
Described flexible substrates are made up of the first elastomeric material to insulate；
Described flexible electrode is conductive, is made up of liquid metal and the second elastomeric material；
Described flexible electrode is fixed on a flexible substrate；
Described pulse transducer is connected on flexible substrates, the first conductive electrode or the second conductive electrode；
Described process circuit includes AC signal generation module, signal processing module and control module；AC signal produces mould
Block is connected with the first conductive electrode；Flexible electrode one end is connected with signal processing module, the other end and the second conductive electrode
It is connected；
Powered in power supply, under control module control condition, AC signal generation module produce the waveform of specific frequency and amplitude with
External impedance is encouraged, forms closed-loop path through the first conductive electrode, human body, the second conductive electrode, flexible electrode, excitation is hindered
Anti- response signal, the impedance response signal are handled through signal processing module, obtain impedance magnitude.
2. flexible many reference amounts human body physical sign detector as claimed in claim 1, it is characterized in that：The first elastomeric material bag
Include the one or several kinds in silica gel, dimethyl silicone polymer, rubber, hydrogel, polyurethane, SEBS, POE；
Second elastomeric material is included in silica gel, dimethyl silicone polymer, rubber, hydrogel, polyurethane, SEBS, POE
It is one or several kinds of.
3. flexible many reference amounts human body physical sign detector as claimed in claim 1, it is characterized in that：Described liquid metal includes
Mercury, gallium-indium alloy, gallium-indium-tin alloy, and the gallium indium of one or more of doping of magnesium-yttrium-transition metal, solid-state nonmetalloid close
Gold, gallium-indium-tin alloy.
4. flexible many reference amounts human body physical sign detector as claimed in claim 1, it is characterized in that：In described flexible electrode, liquid
State metal is poured in the second elastomeric material of tubulose；
Preferably, first elastomeric material is identical with the second elastomeric material, the preparation method of described flexible electrode
It is：When flexible substrates are molded, the position for preparing flexible electrode is being needed to leave tubulus using mould；Then, in room temperature condition
It is lower to pour into liquid metal in the tubulus.
5. flexible many reference amounts human body physical sign detector as claimed in claim 1, it is characterized in that：In described flexible electrode, liquid
State metallic particles is dispersed in the second elastomeric material；
Preferably, the preparation method of described flexible electrode is as follows：
When the second elastomeric material is solid-state at normal temperatures, and heating melts, the second elastomeric material and liquid of melting will be heated
State metal is uniformly mixed, and forms mixture；Then, mixture is applied or irrigated on a flexible substrate, cooling solidification
After form flexible electrode；
When the second elastomeric material is at normal temperatures liquid, when being heating and curing, at room temperature, by the second of liquid metal and liquid
Elastomer is uniformly mixed, and forms mixture；Then, mixture is applied or irrigated on a flexible substrate, be heating and curing
After form flexible electrode.
6. flexible many reference amounts human body physical sign detector as claimed in claim 1, it is characterized in that：Described AC signal produces mould
Block includes power supply, Direct Digital Frequency Synthesizers, digital analog converter, and integrated amplifier；Direct Digital Frequency Synthesizers
One end is connected with control module, and the Direct Digital Frequency Synthesizers other end is connected with digital analog converter, digital analog converter
The other end is connected with integrated amplifier.
7. flexible many reference amounts human body physical sign detector as claimed in claim 1, it is characterized in that：Described signal processing module bag
Include gain amplifying circuit, analog-digital converter, and digital signal processing module；One end of described gain amplifying circuit and flexibility
Electrode is connected, and the other end is connected with analog-digital converter one end, the analog-digital converter other end and digital signal processing module phase
Connection, the digital signal processing module other end are connected with control module.
8. flexible many reference amounts human body physical sign detector as claimed in claim 1, it is characterized in that：Described pulse transducer is divided into
During photoelectric sensor, through hole is provided with flexible substrates, the first conductive electrode or the second conductive electrode, photodetector is sent
Light by through hole irradiate skin detected.
9. flexible many reference amounts human body physical sign detector as claimed in claim 1, it is characterized in that：The stretching of described flexible substrates
Rate is more than 150%, and Young's modulus is less than 100MPa；
Preferably, the extensibility of described flexible electrode is more than 150%；
Preferably, the extensibility of described flexible electrode is more than the extensibility of flexible substrates.
10. the flexible many reference amounts human body physical sign detector as described in any claim in claim 1 to 9, it is characterized in that：Also
Including extender, the extender includes flexible substrates A, flexible electrode A, the second conductive electrode A and conductive contact A；Flexible electrical
Pole A is fixed on flexible substrates A, flexible electrode A one end connection conductive contact A, close to the conduction of another end position connection second
Electrode A；
In use, the conductive contact A in extender is connected with the conductive tieing of flexible many reference amounts human body physical sign detector.
11. the application method of the flexible many reference amounts human body physical sign detector as described in any claim in claim 1 to 9,
It is characterized in that：First conductive electrode and the second conductive electrode are individually positioned in human body diverse location, switches on power, measures first
Human body impedance information between conductive electrode and the second conductive electrode, while measure pulse signal using pulse transducer.
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| CN201610826312.7A CN107811616B (en) | 2016-09-14 | 2016-09-14 | Flexible multi-parameter human body sign detector and use method thereof |
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|---|---|---|---|
| CN201610826312.7A CN107811616B (en) | 2016-09-14 | 2016-09-14 | Flexible multi-parameter human body sign detector and use method thereof |
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| CN107811616B CN107811616B (en) | 2021-01-15 |
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| CN110292352A (en) * | 2019-07-12 | 2019-10-01 | 华中科技大学 | A kind of power transformation sense wireless type intraocular pressure monitoring sensor based on microfibre pipe |
| CN110292353A (en) * | 2019-07-12 | 2019-10-01 | 华中科技大学 | A kind of resistance-type detection of eyeball tension sensor based on microfibre pipe |
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| CN112999432A (en) * | 2021-03-15 | 2021-06-22 | 上海交通大学 | Preparation method of flexible brain nerve electrode coating and electrode assembled by same |
| CN112999432B (en) * | 2021-03-15 | 2022-05-20 | 上海交通大学 | Preparation method of flexible brain nerve electrode coating and electrode assembled by same |
| WO2023280018A1 (en) * | 2021-07-07 | 2023-01-12 | 华为技术有限公司 | Wearable device and physiological parameter measurement method |
| CN113768496A (en) * | 2021-09-09 | 2021-12-10 | 清华大学 | Device for monitoring motion state of biological body surface or bionic body inner surface |
| CN113768496B (en) * | 2021-09-09 | 2023-02-03 | 清华大学 | Device for monitoring motion state of biological body surface or bionic body inner surface |
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