CN109974907A - Integrated pliable pressure sensor of actively powering - Google Patents
Integrated pliable pressure sensor of actively powering Download PDFInfo
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- CN109974907A CN109974907A CN201910197796.7A CN201910197796A CN109974907A CN 109974907 A CN109974907 A CN 109974907A CN 201910197796 A CN201910197796 A CN 201910197796A CN 109974907 A CN109974907 A CN 109974907A
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- polyvinyl alcohol
- ammonium chloride
- pressure sensor
- integration
- electrode
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
- G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
- G01L1/2287—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges constructional details of the strain gauges
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M12/00—Hybrid cells; Manufacture thereof
- H01M12/04—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type
- H01M12/06—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type with one metallic and one gaseous electrode
- H01M12/065—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type with one metallic and one gaseous electrode with plate-like electrodes or stacks of plate-like electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0085—Immobilising or gelification of electrolyte
Abstract
It actively powers pliable pressure sensor the present invention provides a kind of integration, sensing unit including sandwich structure, and it is stacked with the sensing unit and is used for the power unit for sensing unit power supply, wherein, the power unit is the zinc-air battery of sandwich structure, including the anode and cathode being oppositely arranged, and the gel electrolyte being folded between the cathode and the anode, and the anode is flexible containing zinc electrode, the cathode is flexible air electrode;The sensing unit includes the cathode and anode being oppositely arranged, and the conductive fiber paper or conductive braided fabric cloth that are folded between the anode and cathode, and the sensing unit contains zinc electrode as cathode using the flexibility of the power unit.Integrated pliable pressure sensor of actively powering realizes the integrated design of power unit and sensing unit, can be applied to the practical applications such as Human Physiology health monitoring.
Description
Technical field
It actively powers pliable pressure sensor the invention belongs to sensor technical field more particularly to a kind of integration.
Background technique
Quick with intelligent terminal is popularized, and the research application of flexible wearable electronics has been embodied in human lives at present
Many aspects, such as electronic skin, wearable physiological monitoring device, human-computer interaction.Sensor as one of core component,
Measuring of human health, artificial intelligence etc. play vital effect, also affect the Functional Design of wearable device
With future development.As a kind of new electronic product with good morphotropism and stability, various flexible and wearable sensings
Device rapidly develops in global medical monitoring system, passes including implantating biological medical sensor, chemical sensor, pressure
Sensor etc..In these research achievements, the pressure sensor functional component important as one effectively converts outside stimulus
It is the key that flexible wearable electronic sensor monitoring physical condition skill at electric signal or other identifiable signal outputs
Art.Flexible sensing unit and transmission module and self-sustaining electric power generating composition flexible sensor system.It should be noted, however, that
Current power unit becomes flexible sensor and realizes one of maximum limitation of above-mentioned characteristic, because in current technical background
Under, most sensors require external power supply and drive its operation, and power-supply system majority used is rigid battery, this
It will lead to that whole system volume is bigger than normal, and greatly hinder its further applying in wearable device exploitation.
It needs external power supply (rigid battery) to drive its operation based on most of sensors, causes total system bigger than normal, hinder
The problem of its lightening and facilitation in wearable application, self-powered function sensor causes the pass of researcher
Note.Many type self-powered function sensors for health monitoring and motion tracking have gradually been developed, this in real time,
It non-invasively measures Human Physiology and motor message provides an infusive chance.In recent years, based on friction electricity and electrostatic
The friction nanometer power generator of induction has proved to be a kind of emerging renewable energy technologies.It can be obtained from external mechanical stimulation
Electric energy is taken, while using the electric signal of generation as transducing signal.It will be appreciated, however, that friction susceptance rice generating transducer is defeated
Voltage out is higher, and electric current is relatively low, causes output impedance big, and real output only has microwatt-milliwatt rank, influences its work
For the applicability of power supply;In addition, the alternating current of frictional electric machine system output is also a major issue for hindering its practical application.
We learn in summary, in the case where being not necessarily to external power supply, realize the static pressure prison of flexible sensing technology
Survey is still a challenge.
Summary of the invention
It actively powers pliable pressure sensor the embodiment of the invention provides a kind of integration, it is intended to solve existing big portion
Sub-sensor requires external power supply and drives its operation, and existing power supply is mostly rigid battery, causes total system volume bigger than normal,
The problem of greatly hindering its lightening and facilitation in wearable application.
For achieving the above object, The technical solution adopted by the invention is as follows:
A kind of integration is actively powered pliable pressure sensor, and integration pliable pressure sensor of actively powering includes
The sensing unit of sandwich structure, and be stacked with the sensing unit and moved for what is powered for the sensing unit
Power unit,
Wherein, the power unit is the zinc-air battery of sandwich structure, including the anode and cathode being oppositely arranged,
And it is folded in the gel electrolyte between the cathode and the anode, and the anode is flexible containing zinc electrode, it is described solidifying
Glue electrolyte be selected from ammonium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate based polyalcohol hydrogel, potassium chloride/polyvinyl alcohol/
Polyethyleneglycol diacrylate based polyalcohol hydrogel, fibrous paper or woven cloth cover ammonium chloride/polyvinyl alcohol/ionic liquid of load
Gel, fibrous paper or woven cloth cover one of potassium chloride/polyvinyl alcohol/ionic liquid gel of load, and the cathode is flexibility
Air electrode;
The sensing unit includes the cathode and anode being oppositely arranged, and is folded in leading between the anode and cathode
Electric fibrous paper or conductive braided fabric cloth, and the sensing unit contains zinc electrode as cathode using the flexibility of the power unit.
Integration provided by the invention is actively powered pliable pressure sensor, is had the advantage that
Firstly, using zinc-air battery as power unit, at the same using the flexibility of the electrical source of power containing zinc electrode as
The cathode of sensing unit, and the power unit can power for the sensing unit.Relative to existing sensor all in dynamic
Power and sensing unit it is individually separated in conjunction with state, power battery unit and sensing unit be combined into one by the present invention, realizes
The integrated design of power unit and sensing unit leads to whole system when solving external power supply driving sensing unit operation
The problem of volume of uniting is bigger than normal, hinders its lightening and facilitation in wearable application, so that pliable pressure sensor
It can be applied to the practical applications such as Human Physiology health monitoring.
The power unit of pliable pressure sensor secondly, integration provided by the invention is actively powered, with flexibility containing zinc electricity
Pole is as anode, with ammonium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate based polyalcohol hydrogel, potassium chloride/polyethylene
Alcohol/polyethyleneglycol diacrylate based polyalcohol hydrogel, fibrous paper or woven cloth covers ammonium chloride/polyvinyl alcohol/ion of load
Liquid gel, fibrous paper or woven cloth cover one of potassium chloride/polyvinyl alcohol/ionic liquid gel of load and are used as electrolyte,
Not only assign the good flexibility of power unit and stability;And it is non-corrosive, there is preferable biocompatibility.It is more important
, thus obtained integration actively powers pliable pressure sensor with preferable power, do not needing external power supply
In the case of, its own electric energy generated can be sensing unit and the power supply of the integrated circuit of wireless signal transmission, that is, realize energy certainly
To self-sustaining.With integration actively power pliable pressure sensor power unit in thickness 0.5mm power unit (zinc-sky
Pneumoelectric pond, gel electrolyte are ammonium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate based polyalcohol hydrogel) for, list
Plane accumulates maximum power about 40mW/cm2, it can be achieved that ± 180 ° of bending.
The pliable pressure sensor in addition, integration provided by the invention is actively powered, not only small in size, self-contained portable, spirit
Sensitivity is high, and each building block of entire integrated pliable pressure sensor of actively powering has preferable flexibility, so as to
Enough realize the popularization and application of the human body detection sensor without external power supply of small size.Particularly, without external power supply
A series of static pressure detection applications such as Human Physiology health monitoring can be achieved under state, as human pulse detects.
Detailed description of the invention
Fig. 1 is pressure sensing portion principle schematic diagram provided in an embodiment of the present invention;
Fig. 2 is that integration provided in an embodiment of the present invention is actively powered pliable pressure sensor structure schematic diagram;
Fig. 3 is the open-circuit voltage that the embodiment of the present invention 1 provides that pliable pressure sensor power unit is actively powered in integration
With short circuit current figure;
Fig. 4 is the bend test that the embodiment of the present invention 1 provides that pliable pressure sensor power unit is actively powered in integration
Result figure;
Fig. 5 is the driving electronics that the embodiment of the present invention 1 provides that pliable pressure sensor power unit is actively powered in integration
The effect picture of table;
Fig. 6 is the driving LED that the embodiment of the present invention 1 provides that pliable pressure sensor power unit is actively powered in integration
Effect picture;
Fig. 7 is the monoblock battery that the embodiment of the present invention 1 provides that pliable pressure sensor power unit is actively powered in integration
LED light and any bending process stability display diagram are driven by boost module;
Fig. 8 be the embodiment of the present invention 2 provide integration actively power pliable pressure sensor be respectively used to human body wrist,
The beat pulse test result figure of neck, instep.
Specific embodiment
In order to which technical problems, technical solutions and advantageous effects to be solved by the present invention are more clearly understood, below in conjunction with
Embodiment, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to explain
The present invention is not intended to limit the present invention.
In the description of the present invention, it is to be understood that, term " first ", " second " are used for description purposes only, and cannot
It is interpreted as indication or suggestion relative importance or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include one or more of the features.In the description of the present invention,
The meaning of " plurality " is two or more, unless otherwise specifically defined.
It actively powers pliable pressure sensor the embodiment of the invention provides a kind of integration, the integration is actively powered
Pliable pressure sensor includes the sensing unit of sandwich structure, and is stacked and is used for as institute with the sensing unit
The power unit of sensing unit power supply is stated,
Wherein, the power unit is the zinc-air battery of sandwich structure, including the anode and cathode being oppositely arranged,
And it is folded in the gel electrolyte between the cathode and the anode, and the anode is flexible containing zinc electrode, it is described solidifying
Glue electrolyte be selected from ammonium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate based polyalcohol hydrogel, potassium chloride/polyvinyl alcohol/
Polyethyleneglycol diacrylate based polyalcohol hydrogel, fibrous paper or woven cloth cover ammonium chloride/polyvinyl alcohol/ionic liquid of load
Gel, fibrous paper or woven cloth cover one of potassium chloride/polyvinyl alcohol/ionic liquid gel of load, and the cathode is flexibility
Air electrode;
The sensing unit includes the cathode and anode being oppositely arranged, and is folded in leading between the anode and cathode
Electric fibrous paper or conductive braided fabric cloth, and the sensing unit contains zinc electrode as cathode using the flexibility of the power unit.
Integration provided in an embodiment of the present invention is actively powered pliable pressure sensor, is had the advantage that
Firstly, using zinc-air battery as power unit, at the same using the flexibility of the electrical source of power containing zinc electrode as
The cathode of sensing unit, and the power unit can power for the sensing unit.Relative to existing sensor all in dynamic
Power and sensing unit it is individually separated in conjunction with state, power battery unit and sensing unit close two and be by the embodiment of the present invention
One, the integrated design of power unit and sensing unit is realized, when solving external power supply driving sensing unit operation, is caused
The problem of total system volume is bigger than normal, hinders its lightening and facilitation in wearable application, so that pliable pressure
Sensor can be applied to the practical applications such as Human Physiology health monitoring.
The power unit of pliable pressure sensor secondly, integration provided in an embodiment of the present invention is actively powered, with flexibility
Containing zinc electrode as anode, with ammonium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate based polyalcohol hydrogel, potassium chloride/poly-
Vinyl alcohol/polyethyleneglycol diacrylate based polyalcohol hydrogel, fibrous paper or woven cloth cover ammonium chloride/polyvinyl alcohol of load/
Ionic liquid gel, fibrous paper or woven cloth cover one of potassium chloride/polyvinyl alcohol/ionic liquid gel of load as electrolysis
Matter not only assigns the good flexibility of power unit and stability;And it is non-corrosive, there is preferable biocompatibility.More
Importantly, thus obtained integration is actively powered, pliable pressure sensor has preferable power, is not needing external electricity
In the case where source, its own electric energy generated can be sensing unit and the power supply of the integrated circuit of wireless signal transmission, i.e. realization energy
It measures self-sufficient.With integration actively power pliable pressure sensor power unit in thickness 0.5mm power unit
(zinc-air battery, gel electrolyte are ammonium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate based polyalcohol hydrogel) is
Example, unit area maximum power about 40mW/cm2 is, it can be achieved that ± 180 ° of bending.
The pliable pressure sensor in addition, integration provided in an embodiment of the present invention is actively powered, it is not only small in size, independently just
It takes, high sensitivity, and each building block of entire integrated pliable pressure sensor of actively powering has preferable flexibility, from
And it can be realized the popularization and application of the human body detection sensor without external power supply of small size.Particularly, it is being not necessarily to external electricity
A series of static pressure detection applications such as Human Physiology health monitoring can be achieved in the state of source, as human pulse detects.
In the embodiment of the present invention, integrated pliable pressure sensor of actively powering includes integrated power unit and sensing
Unit, the power unit are in sandwich structure, and with neutral ammonium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate base
Polyalcohol hydrogel, potassium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate based polyalcohol hydrogel, fibrous paper or woven cloth
Ammonium chloride/polyvinyl alcohol/ionic liquid gel, fibrous paper or the woven cloth for covering load covers potassium chloride/polyvinyl alcohol/ionic liquid of load
One of body gel is used as electrolyte, not only has excellent flexibility, can satisfy human body flexible wearable device or sensor
Requirement, and have the preferable power of battery, thus guarantee biocompatibility and it is flexible meanwhile, it is capable to take into account for
Sensing unit and integrated circuit power supply.
Specifically, the power unit is in zinc-air battery, the anode is flexible containing zinc electrode.Specifically, described
Flexibility is selected from one of zinc foil, zinc powder/conduction carbon paper, zinc powder/conductive fabric containing zinc electrode.Wherein, the zinc powder/conduction carbon paper
Indicate that the flexibility formed in conductive carbon paper surface blade coating zinc powder slurry contains zinc electrode;The zinc powder/conductive fabric is indicated in conductive fabric
The flexibility that upper blade coating zinc powder slurry is formed contains zinc electrode.In some embodiments, the anode may be selected with a thickness of 0.03~
The zinc foil of 0.08mm, particularly 0.05mm, so that it is preferably flexible to assign the power unit, meanwhile, the zinc foil can be made
It is used for the cathode of sensing unit.In some embodiments, the anode may be selected with a thickness of 0.1~0.2mm, particularly
The zinc powder of 0.2mm/conduction carbon paper or zinc powder/conductive fabric, at this point, the preferable power of obtained power unit, can satisfy to pass
Feel the demand of unit and the power supply of wireless signal transmission circuit;Importantly, it is superior soft to assign the power unit
Property.
In the embodiment of the present invention, the gel electrolyte is poly- for ammonium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate base
Close object hydrogel, potassium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate based polyalcohol hydrogel, fibrous paper or woven cloth is covered
Ammonium chloride/polyvinyl alcohol/ionic liquid gel, fibrous paper or woven cloth of load covers potassium chloride/polyvinyl alcohol/ionic liquid of load
One of gel, the hydrogel are neutral electrolyte, have high-flexibility and water lock, environmentally friendly, and have preferable
Biocompatibility.Particularly, ammonium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate base used in the embodiment of the present invention is poly-
Close object hydrogel, potassium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate based polyalcohol hydrogel, fibrous paper or woven cloth is covered
Ammonium chloride/polyvinyl alcohol/ionic liquid gel, fibrous paper or woven cloth of load covers potassium chloride/polyvinyl alcohol/ionic liquid of load
One of gel contains together with zinc electrode and air electrode, the zinc-air battery of configuration with flexible, has both preferable flexible, raw
Object compatibility and power.
In one embodiment, the gel electrolyte is ammonium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate base
Polyalcohol hydrogel.In the ammonium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate based polyalcohol hydrogel, including chlorination
Ammonium, polyvinyl alcohol, polyethyleneglycol diacrylate, water.Wherein, the ammonium chloride can dissolve metallic zinc as active material,
To which active reaction occur.The matrix material of the polyvinyl alcohol and the polyethyleneglycol diacrylate collectively as hydrogel
Material has excellent water lock performance, and assigns power unit excellent flexibility and preferable intensity.Particularly, due to described
The intensity of polyvinyl alcohol is weaker, and polyvinyl alcohol generallys use Refrigeration Technique preparation, leads to polyvinyl alcohol water in refrigerating process
Branch's evaporation, obtained hydrogel are also more sticky, it is not easy to form, difference of hardness, and Refrigeration Technique method is needed by large size
Instrument, it is complicated for operation cumbersome.In consideration of it, the embodiment of the present invention adds the polyethyleneglycol diacrylate and polyvinyl alcohol, lead to
Crossing photocuring can prepare, not only simple process, time saving convenient, and can significantly improve while guaranteeing flexible
The intensity of polyvinyl alcohol.
In preferred embodiment, in the ammonium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate based polyalcohol hydrogel,
Ammonium chloride, polyvinyl alcohol, polyethyleneglycol diacrylate, water weight ratio be 10~25:5~10:15~25:100.If described
The too high levels of ammonium chloride, then excessive ammonium chloride can be precipitated in solid-state, be not easy to movement of the zinc ion in hydrogel, hinder
The progress of active reaction;When serious, solid-state ammonium chloride can block air electrode, inactivate air electrode.If the ammonium chloride
Content is very few, then the activity of power unit reduces.If the content of the polyvinyl alcohol is excessive, obtained hydrogel is excessively viscous
It is thick, it is not easy to form;On the contrary, if the content of the polyvinyl alcohol is very few, cannot effective water lock, to hinder active reaction
Generation.If the content of the polyethyleneglycol diacrylate is excessive, obtained hydrogel intensity is too big, and brittleness is stronger, right
The flexibility answered is poor;And when the content of the polyethyleneglycol diacrylate is very few, then hydrogel excessively viscoelastic, should not form.
On this basis, in a most preferred embodiment, the ammonium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate base
In polyalcohol hydrogel, ammonium chloride, polyvinyl alcohol, polyethyleneglycol diacrylate, water weight ratio be 20:10:20:100.This
When, obtained power unit not only has excellent flexibility, and biocompatibility also has preferable power, in not additional power source
Under the premise of, it realizes and powers to the wireless data transmission of sensing unit and Bluetooth circuit.
In some embodiments, the ammonium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate based polyalcohol passes through following
Method prepares: being dissolved in ammonium chloride, polyvinyl alcohol, polyethyleneglycol diacrylate according to the weight ratio of above-mentioned each substance
In water, mixture of viscous form is obtained;The oxidation of 2,4,6- trimethylbenzoy-dipheny is added in the mixture of viscous form
Phosphine reacts under the conditions of ultraviolet light as photoinitiator, prepares ammonium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate
Based polyalcohol hydrogel.
Under the conditions of ultraviolet light, polyethyleneglycol diacrylate and 2,4,6- trimethylbenzoy-dipheny oxygen
Change phosphine and crosslink solidification, forms the better aggressiveness object of intensity.Wherein, described 2,4,6- trimethylbenzoy-dipheny oxygen
The additive amount for changing phosphine is the 1%~2% of the polyethyleneglycol diacrylate weight, so that 2 are avoided, 4,6- trimethylbenzoyls
Base-diphenyl phosphine oxide residual brings secondary work to ammonium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate based polyalcohol hydrogel
With.
In one embodiment, the gel electrolyte is potassium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate base
Polyalcohol hydrogel.In the potassium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate based polyalcohol hydrogel, including chlorination
Potassium, polyvinyl alcohol, polyethyleneglycol diacrylate, water.Wherein, the potassium chloride can dissolve metallic zinc as active material,
To which active reaction occur.The matrix material of the polyvinyl alcohol and the polyethyleneglycol diacrylate collectively as hydrogel
Material has excellent water lock performance, and assigns power unit excellent flexibility and preferable intensity.Particularly, due to described
The intensity of polyvinyl alcohol is weaker, and polyvinyl alcohol generallys use Refrigeration Technique preparation, leads to polyvinyl alcohol water in refrigerating process
Branch's evaporation, obtained hydrogel are also more sticky, it is not easy to form, difference of hardness, and Refrigeration Technique method is needed by large size
Instrument, it is complicated for operation cumbersome.In consideration of it, the embodiment of the present invention adds the polyethyleneglycol diacrylate and polyvinyl alcohol, lead to
Crossing photocuring can prepare, not only simple process, time saving convenient, and can significantly improve while guaranteeing flexible
The intensity of polyvinyl alcohol.
It is preferred that apply in example, in the potassium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate based polyalcohol hydrogel, chlorine
Change potassium, polyvinyl alcohol, polyethyleneglycol diacrylate, water weight ratio be 10~25:5~10:15~25:100.If the chlorine
Change the too high levels of potassium, then excessive potassium chloride can be precipitated in solid-state, be not easy to movement of the zinc ion in hydrogel, hinder to live
Property reaction progress;When serious, solid-state ammonium chloride can block air electrode, inactivate air electrode.If the potassium chloride contains
Measure very few, the then activity reduction of power unit.If the content of the polyvinyl alcohol is excessive, obtained hydrogel is excessively sticky,
Do not allow easily molded;On the contrary, if the content of the polyvinyl alcohol is very few, cannot effective water lock, to hinder active reaction
Occur.If the content of the polyethyleneglycol diacrylate is excessive, obtained hydrogel intensity is too big, and brittleness is stronger, corresponding
Flexibility it is poor;And when the content of the polyethyleneglycol diacrylate is very few, then hydrogel excessively viscoelastic, should not form.
On this basis, in a most preferred embodiment, the potassium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate base
In polyalcohol hydrogel, potassium chloride, polyvinyl alcohol, polyethyleneglycol diacrylate, water weight ratio be 20:10:20:100.This
When, obtained power unit not only has excellent flexibility, and biocompatibility also has preferable power, in not additional power source
Under the premise of, it realizes and powers to the wireless data transmission of sensing unit and Bluetooth circuit.
In some embodiments, the potassium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate based polyalcohol passes through following
Method prepares: potassium chloride, polyvinyl alcohol, polyethyleneglycol diacrylate is soluble in water, obtain mixture of viscous form;?
2,4,6- trimethylbenzoy-dipheny phosphine oxides are added in the mixture of viscous form as photoinitiator, in ultraviolet light
It is reacted under irradiation condition, prepares ammonium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate based polyalcohol hydrogel.
Under the conditions of ultraviolet light, polyethyleneglycol diacrylate and 2,4,6- trimethylbenzoy-dipheny oxygen
Change phosphine and crosslink solidification, forms the better aggressiveness object of intensity.Wherein, described 2,4,6- trimethylbenzoy-dipheny oxygen
The additive amount for changing phosphine is the 1%~2% of the polyethyleneglycol diacrylate weight, so that 2 are avoided, 4,6- trimethylbenzoyls
Base-diphenyl phosphine oxide residual brings secondary work to ammonium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate based polyalcohol hydrogel
With.
In one embodiment, the gel electrolyte be fibrous paper or woven cloth cover ammonium chloride/polyvinyl alcohol of load/
Ionic liquid gel.The fibrous paper or woven cloth are covered in ammonium chloride/polyvinyl alcohol/ionic liquid gel of load, including chlorination
Ammonium, polyvinyl alcohol, ionic liquid and water.Wherein, the ammonium chloride can dissolve metallic zinc as active material, to occur
Active reaction.The polyvinyl alcohol has excellent water lock performance collectively as the basis material of hydrogel, and assigns power
Unit excellent flexibility and preferable intensity.Use ionic liquid that can effectively reduce electrolyte solution as gel electrolyte ingredient
The evaporation of body improves electrolytic conductivity, extends service time of battery.Due to ammonium chloride, polyvinyl alcohol, ionic liquid and water
Material as active main body cannot form gel layer, and therefore, the embodiment of the present invention is made using fibrous paper flexible or woven cloth
So that its surface is covered load ammonium chloride/polyvinyl alcohol/ionic liquid gel by impregnating or coating for carrier, form gel electrolyte
Layer.
In preferred embodiment, the fibrous paper or woven cloth are covered in ammonium chloride/polyvinyl alcohol/ionic liquid gel of load,
Ammonium chloride, polyvinyl alcohol, ionic liquid and water weight ratio be 1~3:1~2:1~3:10.If the content mistake of the ammonium chloride
Height, then excessive ammonium chloride can in solid-state be precipitated, be not easy to movement of the zinc ion in hydrogel, hinder active reaction into
Row;When serious, solid-state ammonium chloride can block air electrode, inactivate air electrode.If the content of the ammonium chloride is very few, move
The activity of power unit reduces.If the content of the polyvinyl alcohol is excessive, obtained gel electrolyte conductivity is reduced, and increases battery
Internal resistance reduces electrical property;On the contrary, the electrolyte content for being attached to carrier surface becomes if the content of the polyvinyl alcohol is very few
It is few, to reduce the generation of active reaction.If the content of the ionic liquid is excessive, obtained gel electrolyte viscosity drop
It is low, it is easy leakage;And when the content of the ionic liquid is very few, then ion is deteriorated in gel electrolyte internal liquidity, resistance
The generation of active reaction is hindered.
In some embodiments, ammonium chloride/polyvinyl alcohol/ionic liquid gel that the fibrous paper or woven cloth cover load leads to
It crosses following methods to prepare: ammonium chloride, polyvinyl alcohol, ionic liquid formation gel soluble in water is provided, by the fibrous paper
Or woven cloth dip-coating prepares ionic gel electrolyte layer in ionic gel.
In one embodiment, the gel electrolyte be fibrous paper or woven cloth cover potassium chloride/polyvinyl alcohol of load/
Ionic liquid gel.The fibrous paper or woven cloth are covered in potassium chloride/polyvinyl alcohol/ionic liquid gel of load, including chlorination
Potassium, polyvinyl alcohol, ionic liquid and water.Wherein, the potassium chloride can dissolve metallic zinc as active material, to occur
Active reaction.The polyvinyl alcohol has excellent water lock performance collectively as the basis material of hydrogel, and assigns power
Unit excellent flexibility and preferable intensity.Use ionic liquid that can effectively reduce electrolyte solution as gel electrolyte ingredient
The evaporation of body improves electrolytic conductivity, extends service time of battery.Due to potassium chloride, polyvinyl alcohol, ionic liquid and water
Material as active main body cannot form gel layer, and therefore, the embodiment of the present invention is made using fibrous paper flexible or woven cloth
So that its surface is covered load ammonium chloride/polyvinyl alcohol/ionic liquid gel by impregnating or coating for carrier, form gel electrolyte
Layer.
In preferred embodiment, the fibrous paper or woven cloth are covered in potassium chloride/polyvinyl alcohol/ionic liquid gel of load,
Potassium chloride, polyvinyl alcohol, ionic liquid and water weight ratio be 1~3:1~2:1~3:10.If the content mistake of the potassium chloride
Height, then excessive potassium chloride can in solid-state be precipitated, be not easy to movement of the zinc ion in hydrogel, hinder active reaction into
Row;When serious, solid-state ammonium chloride can block air electrode, inactivate air electrode.If the content of the potassium chloride is very few, move
The activity of power unit reduces.If the content of the polyvinyl alcohol is excessive, obtained gel electrolyte conductivity is reduced, and increases battery
Internal resistance reduces electrical property;On the contrary, the electrolyte content for being attached to carrier surface becomes if the content of the polyvinyl alcohol is very few
It is few, to reduce the generation of active reaction.If the content of the ionic liquid is excessive, obtained gel electrolyte viscosity drop
It is low, it is easy leakage;And when the content of the ionic liquid is very few, then ion is deteriorated in gel electrolyte internal liquidity, resistance
The generation of active reaction is hindered.
In some embodiments, potassium chloride/polyvinyl alcohol/ionic liquid gel that the fibrous paper or woven cloth cover load leads to
It crosses following methods to prepare: potassium chloride, polyvinyl alcohol, ionic liquid formation gel soluble in water is provided, by the fibrous paper
Or woven cloth dip-coating prepares ionic gel electrolyte layer in ionic gel.On the basis of the above embodiments, the gel electricity
Solve matter with a thickness of 0.2mm~0.4mm.If the thickness of the gel electrolyte is blocked up, cause the internal resistance of cell bigger than normal, the electricity provided
Amount can reduce, but flexibility can also decline simultaneously, be unfavorable for obtaining integration flexible and actively power pliable pressure sensor, more
It is not easy to apply in the technologies such as the Human Physiology health monitoring for needing to be arranged to small size.It is described solidifying as most preferred embodiment
Glue electrolyte with a thickness of 0.3mm.
In the embodiment of the present invention, in the power unit, the flexible air electrode be selected from silver/conductive carbon paper electrode, silver/
Conductive fabric electrode, MnO2/ conduction carbon paper electrode, MnO2One of/conductive fabric electrode, in the air electrode, metal or metal
Oxide-coated is on conductive carbon paper or conductive fabric, and the metal or metal oxide are arranged adjacent to the gel electrolyte.
Specifically, if the silver/conductive carbon paper electrode includes conductive carbon paper, and the silver layer formed on the conductive carbon paper, and institute
Silver layer is stated to be arranged adjacent to the gel electrolyte.The silver/conductive carbon paper electrode can be prepared by following methods: be provided
Gas-permeable conductive carbon paper scratches silver paste in the gas-permeable conductive carbon paper surface, is dried, can be obtained.Other flexible airs electricity
Pole is referred to the method preparation of silver/conductive carbon paper electrode.The flexible zinc electrode that contains is selected from zinc foil, zinc powder/conduction carbon paper, zinc
One of powder/conductive fabric.In the zinc powder/conduction carbon paper, zinc powder/conductive fabric, zinc powder is formed in conductive carbon paper or conductive fabric
On, and the zinc powder is arranged adjacent to the gel electrolyte.
Flexible zinc electrode, gel electrolyte and the flexible air electrode assembling of containing can be obtained soft at sandwich structure
Property zinc-air battery, i.e. integration actively powers the power unit of pliable pressure sensor.
In order to be formed with power unit flexible, so as to realize integrated pliable pressure sensor of actively powering,
And can be used in the Human Physiology health monitoring technique such as human pulse testing equipment of small size, the power unit with a thickness of
Less than or equal to 1mm.In a particular embodiment, the thickness of the power unit can be 0.5mm, at this point, obtained integration is main
Dynamic power supply pliable pressure sensor has both preferable flexible and chemical property, can take into account as sensing unit and Bluetooth circuit
Wireless data transmission power supply.
In the embodiment of the present invention, on the basis of the power unit, integrated pliable pressure sensor of actively powering is shared
The flexible cathode containing zinc electrode as sensing unit of zinc-air battery, designs the pressure of conductive fiber paper base sandwich structure
Sensing unit forms the integrated pliable pressure sensor of actively powering with five-layer structure.
Specifically, the conductive fiber paper is to cover the fibrous paper for being loaded with conductive material, the conduction in the sensing unit
Woven cloth is to cover the woven cloth for being loaded with conductive material, and the conductive material is in PEDOT:PSS, graphene, conductive carbon
It is a kind of.Wherein, the PEDOT:PSS has preferable water-soluble, is readily adsorbed in fibrous paper or woven cloth surface, obtains conduction
Property good and stable electric conductivity sensing unit.Using the material as sensing material, there is preferable sensitivity, may be implemented
Human Physiology health monitoring technique such as human pulse detects.
As an implementation, the conductive fiber paper the preparation method comprises the following steps: provide conductive material solution and fibrous paper,
The fibrous paper is placed in immersion treatment in the conductive material solution, obtains conductive fiber paper.As an implementation, institute
State conductive braided fabric cloth the preparation method comprises the following steps: provides conductive material solution and woven cloth, and the braiding is arranged in the conduction material
Expect immersion treatment in solution, obtains conductive braided fabric cloth.
In a specific embodiment, PEDOT:PSS conductive fiber paper the preparation method comprises the following steps: providing fibrous paper and PEDOT:
The fibrous paper is placed in immersion treatment in the PEDOT:PSS, obtains conductive fiber paper by PSS.It is had by fibrous paper itself
Porous structure, the method for fibrous paper dip-coating conducting polymer (PEDOT:PSS) is prepared into pliable pressure sensing material, is had
There is the sensing unit of superior electrical conductivity and sensing sensitivity.
In the embodiment of the present invention, in the sensing unit, the just extremely argentiferous electrode.It is described containing silver electrode include silver/
One of PET, silver/conductive fabric, silver/woven cloth.Silver/the PET, silver/conductive fabric, in silver/woven cloth, silver is formed in PET
Or on conductive fabric, and the neighbouring conductive fiber paper of the silver or conductive braided fabric cloth are arranged.The silver electrode can be with PET plastic
Film as substrate, by the PET plastic film silk-screen printing silver paste prepare.
Finally, had by the flexibility in power unit containing conductive fiber paper and silver electrode is successively assembled in zinc electrode
There is the pliable pressure sensor of five-layer structure and integration active power supply.
In one embodiment, it is powered using zinc-air battery as power unit as sensor, when sensor is squeezed
When fibrous paper inside microstructure change, the electric signal for causing device to export changes, by pressure and electric signal
Variation relation is as transducing signal.Specifically, pressure sensing portion principle schematic diagram is as shown in Figure 1.
Further, the integration actively power pliable pressure sensor further include connect with the sensor it is wireless
Signal output unit, and the power unit is that the sensing unit and the wireless signal output unit are powered.By wireless communication
Number Transmission system is adhesive bandage form with integrated pliable pressure sensor integration of actively powering, and realizes really self-sufficient independence
Flexible sensing device, can directly be attached to human skin surface when in use and detect, and carry out wireless signal transmission.
Specifically, pressure sensor that integration flexible actively can be powered is integrated with bluetooth wireless signal transmission system, sensor is certainly
The electric energy of body can be taken into account powers for sensing unit and the wireless data transmission of Bluetooth circuit, can directly be attached to people when in use
Beat pulse is detected at body pulse, and carries out wireless signal transmission.
As a particular preferred embodiment, as shown in Fig. 2, the integration is actively powered, pliable pressure sensor includes
The power unit for the sandwich structure being stacked and the sensing unit of sandwich structure further include connecting with the sensor
Wireless signal output unit, and the power unit is that the sensing unit and the wireless signal output unit are powered, wherein
In the power unit, the power unit is zinc-air battery, including the anode and cathode being oppositely arranged, with
And it is folded in the gel electrolyte between the cathode and the anode, and the anode is flexible zinc foil electrode, the gel
Electrolyte is ammonium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate based polyalcohol hydrogel, and the cathode is flexible air electricity
Pole, the air electrode are silver/conductive carbon paper electrode;Ammonium chloride/the polyvinyl alcohol/polyethyleneglycol diacrylate base polymerization
In object hydrogel, ammonium chloride, polyvinyl alcohol, polyethyleneglycol diacrylate, water weight ratio be 10~25:5~10:15~
25:100;Ammonium chloride/the polyvinyl alcohol/polyethyleneglycol diacrylate based polyalcohol hydrogel with a thickness of 0.25mm~
0.35mm;And the power unit with a thickness of 0.5mm;
The sensing unit includes the cathode and anode being oppositely arranged, and is folded in leading between the anode and cathode
Electric fiber paper, and the sensing unit contains zinc electrode as cathode, the conductive fiber paper using the flexibility of the power unit
Contain the fibrous paper of PEDOT:PSS for surface;The just extremely silver electrode.
Above-described embodiment provided in an embodiment of the present invention, the working principle established in zinc-air battery design and produce sensing
The power unit of device prepares the environmental-friendly sandwich structure zinc-based on photo-curable polymer hydrogel neutral electrolyte
Air cell proposes there is flexible and biocompatibility and high-power power unit.Meanwhile by with the conduction of porous structure
Fibrous paper is established on the basis of power unit as sensing material, and the flexibility for sharing zinc-air battery contains zinc electrode, if
Sandwich structure transducing part is counted, the integrated pliable pressure sensor of actively powering an of five-layer structure is formed, passes through device
Self power part powered operation.By wireless signal transmission circuit pliable pressure sensor integration of actively powering integrated with this,
The integrated pliable pressure sensor detecting system of actively powering of portable wireless signal transmission is formed, human body can be applied to
Physiological health monitoring, carries out miniature diagnosis by feeling the pulse Application in Sensing research, and the pulse wave physiological parameter of human body radial artery is supervised in realization in real time
It surveys, establishes the relational model of typical disease Yu pulse condition characteristic index, it is practical for realizing remote traditional Chinese medical diagnosis and treatment and health evaluating etc.
Using.
Correspondingly, actively being powered pliable pressure sensor the embodiment of the invention also provides a kind of based on above-mentioned integration
Pressure sensor systems, including the pressure sensitive module changed for sensed pressure;For the pressure sensitive module to be perceived
Pressure change signal be converted to electric signal output wireless signal output module;And for the pressure sensitive module and
The power battery module of the wireless signal output module power supply.
It is illustrated combined with specific embodiments below.
Embodiment 1
A kind of integration is actively powered pliable pressure sensor, the power unit of sandwich structure including being stacked and
The sensing unit of sandwich structure, further includes the wireless signal output unit connecting with the sensor, and the power unit
It powers for the sensing unit and the wireless signal output unit, wherein
In the power unit, the power unit is zinc-air battery, including the anode and cathode being oppositely arranged, with
And it is folded in the gel electrolyte between the cathode and the anode, and the anode is flexible containing zinc electrode, the gel
Electrolyte is ammonium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate based polyalcohol hydrogel, and the flexible air electrode is
Silver/conductive carbon electrode;In the ammonium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate based polyalcohol hydrogel, ammonium chloride,
Polyvinyl alcohol, polyethyleneglycol diacrylate, water weight ratio be 20:10:20:100;The power unit with a thickness of
0.5mm;Wherein, the ammonium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate based polyalcohol is obtained by following methods preparation
: it is according to the weight ratio of above-mentioned each substance that ammonium chloride, polyvinyl alcohol, polyethyleneglycol diacrylate is soluble in water, it obtains
Mixture of viscous form;2,4,6- trimethylbenzoy-dipheny phosphine oxide is added in the mixture of viscous form as light
Initiator reacts under the conditions of ultraviolet light, prepares ammonium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate based polyalcohol
Hydrogel.
The sensing unit includes the cathode and anode being oppositely arranged, and is folded in leading between the anode and cathode
Electric fiber paper, and the sensing unit contains zinc electrode as cathode, the conductive fiber paper using the flexibility of the power unit
Contain the fibrous paper of PEDOT:PSS for surface;The just extremely silver electrode.
The power unit for the integrated pliable pressure sensor of actively powering that embodiment 1 is prepared is subjected to performance survey
Examination, open-circuit voltage and short circuit current are as shown in figure 3, bend test result is as shown in Figure 4;Drive electronic watch as shown in Figure 5;It drives
The result of dynamic LED is as shown in fig. 6, monoblock battery drives LED light and any bending process stability to show such as by boost module
Shown in Fig. 7.Power unit-flexibility zinc-air battery of pliable pressure sensor the results show that integration is actively powered, has
Good electrical property, specifically, unit area maximum power about 40mW/cm2, with bent ± 180 ° of flexibility and preferably
Stability.
Embodiment 2
By embodiment 1 be prepared integration actively power pliable pressure sensor be respectively used to human body wrist, neck,
The beat pulse of instep is tested, as a result as shown in Figure 8.
As seen from the figure, integration provided in an embodiment of the present invention pliable pressure sensor of actively powering can be detected accurately
The beat pulse of human body different parts.
Embodiment 3
A kind of integrated pressure sensor of actively powering of full flexible, including the power for the sandwich structure being stacked
The sensing unit of unit and sandwich structure further includes the wireless signal output unit connecting with the sensor, and described dynamic
Power unit is that the sensing unit and the wireless signal output unit are powered, wherein
In the power unit, the power unit is zinc-air battery, including the anode and cathode being oppositely arranged, with
And it is folded in the gel electrolyte between the cathode and the anode, and the anode is zinc powder/conductive fabric electrode, it is described solidifying
Glue electrolyte layer is ammonium chloride/polyvinyl alcohol/ionic liquid gel electrolyte that woven cloth covers load, wherein ammonium chloride, polyethylene
Alcohol, ionic liquid, water weight ratio be 1~3:1~2:1~3:10;Ammonium chloride/the polyvinyl alcohol/ionic liquid gel electricity
Solve matter layer with a thickness of 0.15mm~0.25mm;The cathode is flexible air electrode, and the air electrode is silver/conductive fabric electricity
Pole.
The sensing unit includes the cathode and anode being oppositely arranged, and is folded in leading between the anode and cathode
Electric woven cloth, and the sensing unit contains zinc electrode as cathode using the flexibility of the power unit, the conductive braided fabric cloth is
Contain the woven cloth of PEDOT:PSS in surface;The just extremely silver/conductive fabric electrode.
The power unit for the integrated pliable pressure sensor of actively powering that embodiment 3 is prepared is subjected to performance survey
Examination, obtained battery open circuit voltage is about 1.1v, and short circuit current is about 20mA, unit area maximum power about 20mW/cm2。
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (13)
- The pliable pressure sensor 1. a kind of integration is actively powered, which is characterized in that the integration is actively powered pliable pressure Sensor includes the sensing unit of sandwich structure, and is stacked and is used for the sensing unit as the sensing list The power unit of member power supply,Wherein, the power unit is the zinc-air battery of sandwich structure, including the anode and cathode being oppositely arranged, and The gel electrolyte being folded between the cathode and the anode, and the anode is flexible containing zinc electrode, the gel electricity It solves matter and is selected from ammonium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate based polyalcohol hydrogel, potassium chloride/polyvinyl alcohol/poly- second Ammonium chloride/polyvinyl alcohol/ionic liquid that omega-diol diacrylate based polyalcohol hydrogel, fibrous paper or woven cloth cover load is solidifying Glue, fibrous paper or woven cloth cover one of potassium chloride/polyvinyl alcohol/ionic liquid gel of load, and the cathode is flexible empty Pneumoelectric pole;The sensing unit includes the cathode and anode being oppositely arranged, and the conduction being folded between the anode and cathode is fine Paper or conductive braided fabric cloth are tieed up, and the sensing unit contains zinc electrode as cathode using the flexibility of the power unit.
- The pliable pressure sensor 2. integration as described in claim 1 is actively powered, which is characterized in that the ammonium chloride/poly- In vinyl alcohol/polyethyleneglycol diacrylate based polyalcohol hydrogel, ammonium chloride, polyvinyl alcohol, polyethyleneglycol diacrylate, The weight ratio of water is 10~25:5~10:15~25:100;OrIn the potassium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate based polyalcohol hydrogel, potassium chloride, gathers polyvinyl alcohol Glycol diacrylate, water weight ratio be 10~25:5~10:15~25:100;OrThe fibrous paper or woven cloth are covered in ammonium chloride/polyvinyl alcohol/ionic liquid gel of load, ammonium chloride, polyvinyl alcohol, from The weight ratio of sub- liquid and water is 1~3:1~2:1~3:10;OrThe fibrous paper or woven cloth are covered in potassium chloride/polyvinyl alcohol/ionic liquid gel of load, potassium chloride, polyvinyl alcohol, from The weight ratio of sub- liquid and water is 1~3:1~2:1~3:10.
- The pliable pressure sensor 3. integration as claimed in claim 2 is actively powered, which is characterized in that the ammonium chloride/poly- In vinyl alcohol/polyethyleneglycol diacrylate based polyalcohol hydrogel, ammonium chloride, polyvinyl alcohol, polyethyleneglycol diacrylate, The weight ratio of water is 20:10:20:100;OrIn the potassium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate based polyalcohol hydrogel, potassium chloride, gathers polyvinyl alcohol Glycol diacrylate, water weight ratio be 20:10:20:100.
- The pliable pressure sensor 4. integration as described in any one of claims 1 to 3 is actively powered, which is characterized in that described Gel electrolyte with a thickness of 0.2mm~0.4mm.
- The pliable pressure sensor 5. integration as described in claim 1 is actively powered, which is characterized in that the ammonium chloride/poly- Vinyl alcohol/polyethyleneglycol diacrylate based polyalcohol is prepared by following methods: by ammonium chloride, polyvinyl alcohol, poly- second Omega-diol diacrylate is soluble in water, obtains mixture of viscous form;2,4,6- trimethyl is added in the mixture of viscous form Benzoyl-diphenyl phosphine oxide reacts under the conditions of ultraviolet light as photoinitiator, prepare ammonium chloride/polyvinyl alcohol/ Polyethyleneglycol diacrylate based polyalcohol hydrogel;OrPotassium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate the based polyalcohol is prepared by following methods: by chlorination Potassium, polyvinyl alcohol, polyethyleneglycol diacrylate are soluble in water, obtain mixture of viscous form;In the mixture of viscous form 2,4,6- trimethylbenzoy-dipheny phosphine oxide is added as photoinitiator, is reacted under the conditions of ultraviolet light, is prepared Ammonium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate based polyalcohol hydrogel;OrAmmonium chloride/polyvinyl alcohol/ionic liquid gel that the fibrous paper or woven cloth cover load is prepared by following methods: Ammonium chloride, polyvinyl alcohol, ionic liquid formation gel soluble in water are provided, the fibrous paper or woven cloth dip-coating are coagulated in ion In glue, ionic gel electrolyte layer is prepared;OrPotassium chloride/polyvinyl alcohol/ionic liquid gel that the fibrous paper or woven cloth cover load is prepared by following methods: Potassium chloride, polyvinyl alcohol, ionic liquid formation gel soluble in water are provided, the fibrous paper or woven cloth dip-coating are coagulated in ion In glue, ionic gel electrolyte layer is prepared.
- The pliable pressure sensor 6. integration as described in claim 1 is actively powered, which is characterized in that the power unit In, the flexible zinc electrode that contains is selected from one of zinc foil, zinc powder/conduction carbon paper, zinc powder/conductive fabric;And/orThe flexible air electrode is selected from silver/conductive carbon paper electrode, silver/conductive fabric electrode, MnO2/ conduction carbon paper electrode, MnO2/ One of conductive fabric electrode, in the air electrode, metal or metal oxide-coated on conductive carbon paper or conductive fabric, and The metal or metal oxide are arranged adjacent to the gel electrolyte.
- The pliable pressure sensor 7. integration as described in claim 1 is actively powered, which is characterized in that the power unit With a thickness of less than or equal to 1mm.
- The pliable pressure sensor 8. integration as described in claim 1 is actively powered, which is characterized in that the sensing unit In, the conductive fiber paper is to cover the fibrous paper for being loaded with conductive material, and the conductive braided fabric cloth is to cover the volume for being loaded with conductive material Woven fabric, and the conductive material is selected from one of PEDOT:PSS, graphene, conductive carbon.
- The pliable pressure sensor 9. integration as claimed in claim 8 is actively powered, which is characterized in that the conductive fiber paper The preparation method comprises the following steps: provide conductive material solution and fibrous paper, the fibrous paper is placed in the conductive material solution and is impregnated Processing, obtains conductive fiber paper;OrThe conductive braided fabric cloth the preparation method comprises the following steps: provide conductive material solution and woven cloth, the braiding is arranged in described Immersion treatment in conductive material solution obtains conductive braided fabric cloth.
- The pliable pressure sensor 10. integration as described in claim 1 is actively powered, which is characterized in that the sensing unit In, the just extremely argentiferous electrode.
- The pliable pressure sensor 11. integration as described in claim 1 is actively powered, which is characterized in that the integration is main Dynamic power supply pliable pressure sensor further includes the wireless signal output unit connecting with the sensor, and the power unit is The sensing unit and wireless signal output unit power supply.
- The pliable pressure sensor 12. integration as described in claim 1 is actively powered, which is characterized in that the integration is main Dynamic power supply pliable pressure sensor further includes the wireless signal output unit connecting with the sensor, and the power unit is The sensing unit and wireless signal output unit power supply, whereinIn the power unit, the air electrode is silver/conductive carbon paper electrode;The anode is zinc foil electrode;The gel Electrolyte is ammonium chloride/polyvinyl alcohol/polyethyleneglycol diacrylate based polyalcohol hydrogel, and the ammonium chloride/polyethylene In alcohol/polyethyleneglycol diacrylate based polyalcohol hydrogel, ammonium chloride, polyvinyl alcohol, polyethyleneglycol diacrylate, water Weight ratio is 10~25:5~10:15~25:100;Ammonium chloride/the polyvinyl alcohol/polyethyleneglycol diacrylate base polymerization Object hydrogel with a thickness of 0.25mm~0.35mm;And the power unit with a thickness of 0.5mm;In the sensing unit, the conductive fiber paper is the fibrous paper that PEDOT:PSS is contained on surface;It is described that just extremely silver is electric Pole.
- The pliable pressure sensor 13. integration as described in claim 1 is actively powered, which is characterized in that the integration is main Dynamic power supply pliable pressure sensor further includes the wireless signal output unit connecting with the sensor, and the power unit is The sensing unit and wireless signal output unit power supply, whereinIn the power unit, the air electrode is silver/conductive fabric electrode;The anode is zinc powder/conductive fabric electrode;It is described Gel electrolyte is ammonium chloride/polyvinyl alcohol/ionic liquid gel that woven cloth covers load, and the woven cloth covers the chlorination of load In ammonium/polyvinyl alcohol/ionic liquid gel, ammonium chloride, polyvinyl alcohol, ionic liquid, water weight ratio be 1~3:1~2:1~ 3:10;Ammonium chloride/polyvinyl alcohol/ionic liquid gel the electrolyte layer with a thickness of 0.15mm~0.25mm;And it is described dynamic Power unit with a thickness of 0.5mm;In the sensing unit, the conductive braided fabric cloth is the woven cloth that PEDOT:PSS is contained on surface;It is described just extremely silver/lead Electric cloth electrode.
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