CN108613622A - A method of the monitoring deformation based on Conducting leather - Google Patents
A method of the monitoring deformation based on Conducting leather Download PDFInfo
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- CN108613622A CN108613622A CN201810415855.9A CN201810415855A CN108613622A CN 108613622 A CN108613622 A CN 108613622A CN 201810415855 A CN201810415855 A CN 201810415855A CN 108613622 A CN108613622 A CN 108613622A
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- leather
- conducting
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- deformation based
- derivative
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- 239000010985 leather Substances 0.000 title claims abstract description 71
- 238000012544 monitoring process Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000005452 bending Methods 0.000 claims abstract description 21
- 230000008859 change Effects 0.000 claims abstract description 11
- 230000036541 health Effects 0.000 claims abstract description 8
- 230000037078 sports performance Effects 0.000 claims abstract description 5
- 239000004020 conductor Substances 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 239000006229 carbon black Substances 0.000 claims description 7
- 239000002086 nanomaterial Substances 0.000 claims description 7
- 239000002070 nanowire Substances 0.000 claims description 7
- 238000012549 training Methods 0.000 claims description 7
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 5
- 239000000654 additive Substances 0.000 claims description 5
- 230000000996 additive effect Effects 0.000 claims description 5
- 230000000386 athletic effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000003575 carbonaceous material Substances 0.000 claims description 4
- 229910021389 graphene Inorganic materials 0.000 claims description 4
- 239000002649 leather substitute Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000002041 carbon nanotube Substances 0.000 claims description 3
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 3
- 239000002322 conducting polymer Substances 0.000 claims description 3
- 229920001940 conductive polymer Polymers 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052755 nonmetal Inorganic materials 0.000 claims description 3
- 238000007639 printing Methods 0.000 claims description 3
- 238000000967 suction filtration Methods 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 238000013019 agitation Methods 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 229920000767 polyaniline Polymers 0.000 claims description 2
- 229920000123 polythiophene Polymers 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 150000003233 pyrroles Chemical class 0.000 claims 1
- 238000005507 spraying Methods 0.000 claims 1
- 210000000707 wrist Anatomy 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 4
- 229920000128 polypyrrole Polymers 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000002305 electric material Substances 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- LEVWYRKDKASIDU-QWWZWVQMSA-N D-cystine Chemical compound OC(=O)[C@H](N)CSSC[C@@H](N)C(O)=O LEVWYRKDKASIDU-QWWZWVQMSA-N 0.000 description 1
- 102000008946 Fibrinogen Human genes 0.000 description 1
- 108010049003 Fibrinogen Proteins 0.000 description 1
- 206010024453 Ligament sprain Diseases 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- -1 amino, hydroxyl Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 229960003067 cystine Drugs 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229940012952 fibrinogen Drugs 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000009878 intermolecular interaction Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000004987 plasma desorption mass spectroscopy Methods 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
- G01B7/18—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge using change in resistance
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/1118—Determining activity level
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/28—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring contours or curvatures
Abstract
The method for the monitoring deformation based on Conducting leather that the invention discloses a kind of can be used for health monitoring, restores guidance and monitoring after sports and sports performance monitoring and wound, include the following steps：The bending that different angle is carried out to Conducting leather obtains resistance change rate and the relation curve of curvature by detecting the Conducting leather resistance variations；When Conducting leather carries out the bending of unknown angle, angle is bent by the relation curve of resistance change rate and curvature, you can obtain the curvature of Conducting leather.
Description
Technical field
The invention belongs to flexible electronic fields, and in particular to a method of the monitoring deformation based on Conducting leather.
Background technology
Wearable flexible tensile sensor can convert object deformation to electric signal, be used as deformation monitoring, be supervised in health
It surveys, have many applications in terms of motion monitoring and human-computer interaction.The mentality of designing of traditional flexible tensile sensor passes through mostly
Contact resistance between regulation and control conductive materials prepares flexible wearable pulling force sensor with the variation of substrate deformation.But this kind of device
Part cannot obtain high sensitivity and high pulling force monitoring range simultaneously, due to cannot uniformly control connecing between conductive materials
It gets an electric shock and hinders, there is usually no linear relationships between suffered pulling force and relative resistance change, and certain be stranded is brought to data processing
It is difficult；And after removing pulling force, the contact resistance between conductive materials cannot restore, this but also device there are larger hysteresis loop,
Significantly affect the accuracy of device.These deficiencies will seriously affect the practical application of flexible tensile sensor.To improve its performance,
It constructs the conductive network with uniform nano-micro structure structure to receive more and more attention, but the structure in the polymer-based ends such as PDMS
It is cumbersome to build nano-micro structure process, leads to cost, is unfavorable for large area preparation.
Invention content
The method for the monitoring deformation based on Conducting leather that the purpose of the present invention is to provide a kind of, solves the above-mentioned prior art
One or more in problem.
The present invention provides a kind of method of the monitoring deformation based on Conducting leather, for monitoring health, sports and wound
The guidance restored afterwards, includes the following steps:
α 1, the bending that different angle is carried out to Conducting leather obtain resistance by detecting the Conducting leather resistance variations
The relation curve of change rate and curvature；
α 2, when Conducting leather carries out the bending of unknown angle, obtained by the relation curve of resistance change rate and curvature
To bending angle, you can obtain the curvature of Conducting leather.
Specifically, can reticular structure be cut into Conducting leather, according to different needs, being fixed on the pass of finger or wrist
At section, the movement for detecting finger or wrist.
In some embodiments, ranging from -150 ° of unknown angle~150 °.
In some embodiments, Conducting leather includes leather ontology and conductive material, and the leather ontology is led with described
Electric material is compound.
In some embodiments, leather ontology is one kind in wet blue, natural leather, synthetic leather or artificial leather,
In some embodiments, conductive material is carbon-based material, metal nano material, nonmetal nano material, conduction
Polymer, conductive ink it is one or more.
In some embodiments, carbon-based material includes carbon black and its derivative, carbon nanotube and its derivative, graphene
And its derivative, the metal nano material include nanowires of gold, nano silver wire, copper nano-wire, nanogold, it is described nonmetallic to receive
Rice material includes silicon nanowires, and the conducting polymer includes polypyrrole and its derivative, Polyaniline and its derivative, polythiophene
And its derivative.
Preferably, conductive material is carbon black, carbon nanotube, nano silver wire, copper nano-wire, nanowires of gold, graphene.Its
In, due to functional group's carboxyl, amino, hydroxyl, sulfydryl, cystine linkage etc. that leather ontology has, carbon is received in above-mentioned conductive material
Mitron and graphene can be combined together by the intermolecular interaction of chemical bond or hydrogen bond etc. with leather ontology,
Or be combined together by Electrostatic Absorption and leather ontology, to enhance the combination of conductive material and leather ontology.
In some embodiments, the complex method of conductive material and leather ontology is mechanical agitation, suction filtration, coating, spray
It applies, one kind in printing or rotary drum mixing.
Specifically, such as filtering：Leather ontology is cut to sand core funnel diameter to match, is placed in sand core funnel
On, the solution that conductive material is prepared is filtered with water circulating pump, by controlling the number filtered, that is, controls above per block leather and leads
The quality of electric material, finally by cleaning, drying.
In some embodiments, the additive amount of conductive material is 0.1~10mg/cm2.At this point, the resistance of Conducting leather
Magnitude range is 2k Ω/cm2~7k Ω/cm2。
In some embodiments, the additive amount of conductive material is 0.3~3mg/cm2.At this point, the resistance of Conducting leather is big
Small range is 3k Ω/cm2~5k Ω/cm2。
A method of the monitoring deformation based on Conducting leather, for health monitoring, athletic training and sports performance monitoring
And Restoration monitoring after wound.
Beneficial effects of the present invention：
1, the method for the embodiment of the present invention is simple, at low cost, use easy to spread；
2, the leather substance in the embodiment of the present invention already popularize and mature production technology, gone using it as platform monitor shape
Become, and health monitoring, athletic training and sports performance monitoring can be applied to and resume training monitoring after hindering, to ensure
Safety when above-mentioned trained；
3, the three-dimensional multistage structure of the leather substance in the embodiment of the present invention, which has, makes it the huge of pliable pressure sensing
Potentiality have potential consumption market by characteristics such as comfortable, wear-resisting, the cheap, good permeabilities of Conducting leather material.
Description of the drawings
Fig. 1 is the structure chart of Conducting leather in embodiment 1；
Fig. 2 is the scanning electron microscope (SEM) photograph of Conducting leather in embodiment 1；
Fig. 3 is response of the Conducting leather to different bending angle in embodiment 1；
Fig. 4 is the resistance change rate of Conducting leather and the relation curve of curvature in embodiment 1；
Fig. 5 is the movement that Conducting leather is used to monitor finger and wrist in embodiment 1.
Specific implementation mode
With reference to embodiment, the invention will be further described.Following embodiment is only intended to clearly illustrate this
The performance of invention, and the following examples cannot be limited only to.
Embodiment 1：
Carbon black, surfactant are added in a certain amount of water, ultrasonic disperse is prepared into aqueous dispersions, wherein carbon black
Additive amount is 0.5mg/cm2When, it is combined with cow split wet blue using the method for suction filtration.
As shown in Fig. 2, carbon black is uniformly adsorbed onto on the collagenous fibres cluster of leather ontology, and in bending process, leather glue
The variation of the distance between fibrinogen cluster will influence the contact resistance between carbon black, and the reduction of the distance between fiber can make its resistance
Reduce, distance, which increases, causes its resistance to increase.
As shown in figure 3, Conducting leather can be responded in -150 °~150 ° range inner opposite angle degree variations, specifically, from -
150 °~150 °, every 30 ° of bending angle variation, the relative change rate of resistance changes significantly
S1, the bending for carrying out different angle within the scope of -150 ° -150 ° to Conducting leather, by detecting the conductive skin
Resistance variations are removed from office, as shown in figure 4, obtaining resistance change rate and the relation curve of curvature；
Specifically, when bending angle is -150 °~0 °, Y=0.29X-4.8；
When bending angle is 0 °~10 °, Y=86.67X；
When bending angle is 10 °~90 °, Y=0.58X+19.2；
When bending angle is 90 °~150 °, Y=0.2X+50.62；
Wherein, Y is △ R/R (%), the i.e. change rate of resistance；X is curvature (°).
When S2, Conducting leather carry out the bending of unknown angle, obtained by the relation curve of resistance change rate and curvature
Bending angle, you can obtain the curvature of Conducting leather.
The Conducting leather is cut into reticular structure, can be applied to the movement that can be used for monitoring finger and wrist.Such as Fig. 5 institutes
Show, be attached at finger and wrist when the prepared device based on leather, according to the bending angle of finger, device can have
Different electric responses, and there is preferable stability.For wrist, device can distinguish its bending direction and bending angle
Degree.
Embodiment 2
Nano silver wire aqueous dispersions are combined using the method for ink-jet printer printing with leather ontology, when nano silver wire
Amount is 1mg/cm2When, the resistance of obtained device can be responded in -150 °~150 ° angular range inner opposite angle degree variations.By
Appropriate cut out is attached at sole, and in the process of walking, device is bent with the bending of sole, and then makes electric response,
It can be used for health monitoring and athletic training.
Embodiment 3
Polypyrrole monomer is sprayed into leather surface and then sprays the liquor ferri trichloridi of 0.3M thereon, passes through original
The mode of position polymerization forms polypyrrole conductive layer on collagenous fibres.When the amount of polypyrrole is 1.5mg/cm2When, obtained device
Resistance can be responded in -150 °~150 ° angular range inner opposite angle degree variations.It can be used for monitoring human body pass by suitably cutting out
Bent-segment, for instructing joint sprain to restore.
The method of the method for embodiment provided by the invention is simple, at low cost, use easy to spread；And leather substance is already
Universal and mature production technology goes to monitor deformation using it as platform, and can be applied to health monitoring, athletic training and
Sports performance monitors and resumes training monitoring after hindering, safety when ensureing above-mentioned trained；And the three-dimensional multistage of leather substance
Structure has the great potential for making it pliable pressure sensing, comfortable, wear-resisting, cheap, ventilative by Conducting leather material
Property the characteristics such as good, there is potential consumption market.
Presented above is only the preferred embodiment of the present invention, it is noted that those skilled in the art, not
Under the premise of being detached from the invention design, various modifications and improvements can be made, these also should be regarded as the protection of the present invention
Within the scope of.
Claims (10)
1. a kind of method of the monitoring deformation based on Conducting leather, which is characterized in that include the following steps:
α 1, the bending that different angle is carried out to Conducting leather obtain resistance variations by detecting the Conducting leather resistance variations
The relation curve of rate and curvature；
α 2, when Conducting leather carries out the bending of unknown angle, obtained by the relation curve of resistance change rate and curvature curved
Bent angle, you can obtain the curvature of Conducting leather.
2. a kind of method of monitoring deformation based on Conducting leather according to claim 1, which is characterized in that described unknown
Ranging from -150 ° of angle~150 °.
3. a kind of method of monitoring deformation based on Conducting leather according to claim 1 or 2, which is characterized in that described
Conducting leather includes leather ontology and conductive material, and the leather ontology and the conductive material are compound.
4. a kind of method of monitoring deformation based on Conducting leather according to claim 1 or 2, which is characterized in that described
Leather ontology is one kind in wet blue, natural leather, synthetic leather or artificial leather.
5. a kind of novel regulatable leather of electric property according to claim 1 or 2, which is characterized in that the conduction
Material be carbon-based material, metal nano material, nonmetal nano material, conducting polymer, conductive ink it is one or more.
6. a kind of novel regulatable leather of electric property according to claim 5, which is characterized in that the carbon-based material
Including carbon black and its derivative, carbon nanotube and its derivative, graphene and its derivative, the metal nano material includes gold
Nano wire, nano silver wire, copper nano-wire, the nonmetal nano material include silicon nanowires, and the conducting polymer includes poly-
Pyrroles and its derivative, Polyaniline and its derivative, polythiophene and its derivative.
7. a kind of method of monitoring deformation based on Conducting leather according to claim 1 or 2, which is characterized in that described
Conductive material and one kind that the complex method of leather ontology is during mechanical agitation, suction filtration, coating, spraying, printing or rotary drum mix
Or several combination.
8. a kind of method of monitoring deformation based on Conducting leather according to claim 1 or 2, which is characterized in that described
The additive amount of conductive material is 0.1~10mg/cm2。
9. a kind of method of monitoring deformation based on Conducting leather according to claim 8, which is characterized in that the conduction
The additive amount of material is 0.3~3mg/cm2。
10. according to a kind of method of any monitoring deformation based on Conducting leather in claim 1 to 9, for health
Restore guidance and monitoring after monitoring, athletic training and sports performance monitoring and wound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810415855.9A CN108613622A (en) | 2018-05-03 | 2018-05-03 | A method of the monitoring deformation based on Conducting leather |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810415855.9A CN108613622A (en) | 2018-05-03 | 2018-05-03 | A method of the monitoring deformation based on Conducting leather |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108613622A true CN108613622A (en) | 2018-10-02 |
Family
ID=63661974
Family Applications (1)
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|---|---|---|---|
| CN201810415855.9A Pending CN108613622A (en) | 2018-05-03 | 2018-05-03 | A method of the monitoring deformation based on Conducting leather |
Country Status (1)
| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443609A (en) * | 2018-10-29 | 2019-03-08 | 陕西科技大学 | A kind of high-precision piezoresistance sensor material and preparation method thereof based on collagen |
| CN112525065A (en) * | 2020-11-19 | 2021-03-19 | 南京医科大学 | Micro-crack flexible resistance change mechanical sensor based on mixed resistance entanglement network and preparation method thereof |
| CN115369647A (en) * | 2022-09-23 | 2022-11-22 | 陕西科技大学 | Preparation method of multifunctional collagen fiber-based flexible wearable sensing material |
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| CN105898981A (en) * | 2016-04-01 | 2016-08-24 | 合肥工业大学 | Stretchable electrode based on conductive fabric and preparation method thereof |
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| CN107693018A (en) * | 2017-10-19 | 2018-02-16 | 南京工业大学 | A kind of leather for monitoring humidity change |
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| CN109443609A (en) * | 2018-10-29 | 2019-03-08 | 陕西科技大学 | A kind of high-precision piezoresistance sensor material and preparation method thereof based on collagen |
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Application publication date: 20181002 |