CN110230142A - A kind of machine-knitted structure resistance-type carbon fiber-containing fabric sensor and its application - Google Patents
A kind of machine-knitted structure resistance-type carbon fiber-containing fabric sensor and its application Download PDFInfo
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- CN110230142A CN110230142A CN201910463622.0A CN201910463622A CN110230142A CN 110230142 A CN110230142 A CN 110230142A CN 201910463622 A CN201910463622 A CN 201910463622A CN 110230142 A CN110230142 A CN 110230142A
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- carbon fiber
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- dielectric fibers
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- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 122
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 122
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 119
- 239000004744 fabric Substances 0.000 title claims abstract description 96
- 239000000835 fiber Substances 0.000 claims abstract description 69
- 238000009941 weaving Methods 0.000 claims abstract description 28
- 230000000694 effects Effects 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000013461 design Methods 0.000 claims abstract description 9
- 238000012360 testing method Methods 0.000 claims abstract description 9
- 238000012544 monitoring process Methods 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 229910052799 carbon Inorganic materials 0.000 claims description 11
- 230000008859 change Effects 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 7
- 239000003365 glass fiber Substances 0.000 claims description 7
- 229920006231 aramid fiber Polymers 0.000 claims description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 5
- 229920002472 Starch Polymers 0.000 claims description 5
- 229910052709 silver Inorganic materials 0.000 claims description 5
- 239000004332 silver Substances 0.000 claims description 5
- 235000019698 starch Nutrition 0.000 claims description 5
- 239000008107 starch Substances 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- 230000036541 health Effects 0.000 claims description 4
- 238000009940 knitting Methods 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims description 4
- 239000002759 woven fabric Substances 0.000 claims description 4
- 241001269238 Data Species 0.000 claims description 3
- 240000008042 Zea mays Species 0.000 claims description 3
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims description 3
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 235000005822 corn Nutrition 0.000 claims description 3
- 229920006253 high performance fiber Polymers 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 229910052711 selenium Inorganic materials 0.000 claims description 3
- 239000011669 selenium Substances 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 238000009955 starching Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000009738 saturating Methods 0.000 claims 1
- 239000004753 textile Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 12
- 239000011521 glass Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000012512 characterization method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000271 Kevlar® Polymers 0.000 description 1
- 229920003373 Kevlar® 129 Polymers 0.000 description 1
- 208000019693 Lung disease Diseases 0.000 description 1
- 235000000340 Solanum pseudocapsicum Nutrition 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- 240000004482 Withania somnifera Species 0.000 description 1
- 235000001978 Withania somnifera Nutrition 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002322 conducting polymer Substances 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000004761 kevlar Substances 0.000 description 1
- 210000000629 knee joint Anatomy 0.000 description 1
- 238000004900 laundering Methods 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
- D06M15/11—Starch or derivatives thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
-
- 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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/40—Fibres of carbon
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2101/00—Inorganic fibres
- D10B2101/02—Inorganic fibres based on oxides or oxide ceramics, e.g. silicates
- D10B2101/06—Glass
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2101/00—Inorganic fibres
- D10B2101/10—Inorganic fibres based on non-oxides other than metals
- D10B2101/12—Carbon; Pitch
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
- D10B2331/021—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides aromatic polyamides, e.g. aramides
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Woven Fabrics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The invention discloses a kind of machine-knitted structure resistance-type carbon fiber-containing fabric sensor and its applications, the fabric sensor comprises the steps of: selecting a kind of high-performance dielectric fibers and carbon fiber, woven into fabric, as sensor main body, it tests and calculates its electromagnet shield effect, frequency selective characteristic and resistance-strain characteristic, according to required working frequency and shield effectiveness to be achieved, the main weaving amount by design carbon fiber, secondly by through broadwise carbon fiber and arrangement and distributing homogeneity through broadwise dielectric fibers, the present invention relates to flexible electronic device and functions and intelligent textile technical field.The machine-knitted structure resistance-type carbon fiber-containing fabric sensor and its application, high-performance conductive carbon fiber and high-performance dielectric fibers are constructed out to the high-intensitive textile structural material that can be deformed in a manner of woven, pass through weaving multilayered structure and its deformation, it realizes one kind and has both strain sensing, the fabric sensor of the functions such as electromagnetic shielding and frequency selection.
Description
Technical field
The present invention relates to flexible electronic device and function and intelligent textile technical field, specially a kind of machine-knitted structure
Resistance-type carbon fiber-containing fabric sensor and its application.
Background technique
Smart fabric with sensing capability is there is many applications in which very valuable, such as compression therapy monitoring, incudes hand
It covers function and grasps identification and motion-sensing, posture and the gesture monitoring of hand, knee joint angle measurement, motion capture, stroke patient
Treatment assessment, lumbar curvature monitoring, body gesture and gesture analysis, the monitoring of biomethanics variable, the monitoring of chronic heart and lung diseases, the heart
Lung monitors sign, and mental health alleviates monitoring and other healthy related applications.
Smart fabric is usually directed to the functional material coating of conventional fabrics, as conductive material (such as carbon nanotube, graphene,
Conducting polymer etc.), but durability of the coated fabric in fabric laundering process merits attention.Another method is by sensor
It is integrated into fabric, the durability of sensor, simple function, limited functional area and cost are troubling.The present invention relates to
A kind of different fabric sensor, that is, use machine-knitted structure carbon fiber-containing hybrid fabric as sensor, and this sensor has both
Strain sensing function, electromagnetic shielding and frequency selection function etc., overcomes the above problem.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of machine-knitted structure resistance-type carbon fiber-containing fabric sensor and
It is applied, and is solved sensor and is had both strain sensing function, electromagnetic shielding and the incomplete problem of frequency selection function.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of machine-knitted structure resistance-type is carbon containing
Fabric sensor and its application, the fabric sensor comprise the steps of:
Step 1: a kind of high-performance dielectric fibers and carbon fiber, woven into fabric being selected to test and count as sensor main body
Calculate its electromagnet shield effect, frequency selective characteristic and resistance-strain characteristic；
Step 2: according to required working frequency and shield effectiveness to be achieved, the main weaving by design carbon fiber
Amount, it is fine with the high-performance dielectric secondly by through broadwise carbon fiber and arrangement and distributing homogeneity through broadwise dielectric fibers
Dimension weaving realizes electromagnetic shielding at fabric sensor；
Step 3: it is required according to required shield effectiveness to be achieved and frequency selection, it is main by designing carbon fiber through broadwise
Carbon fiber and arrangement and weaving fabric cell configuration and size through broadwise dielectric fibers, secondly by the weaving amount of carbon fiber,
With high-performance dielectric fibers weaving at fabric sensor, electromagnetic shielding selection characteristic is realized, i.e., to electromagnetic wave in specific frequency
The high transmission of rate or the high-selenium corn of specific frequency；
Step 4: according to required resistance-strain characteristic to be achieved, it is main by design through broadwise carbon fiber parallel arrangement,
Interfibrous contact and intertexture, i.e., from generating when deformation, distance change contacts quantity to generation when deformation and contact area changes again
To contact and sliding is generated when deformation, without being extended by carbon fiber, weaves with the high-performance dielectric fibers and sensed at fabric
Device, realize stretch, thorn pressure, torsion and resistance significant change and there are the fabric of specific consistent relationship sensings when the strain such as swinging
Device；
Wherein, the carbon fiber and dielectric fibers are high-performance fiber, and sensor fabric intensity caused by knitting is not low
In 200MPa, and it can be used as composite material base.
Preferably, woven fabric sensor includes being blended cloth and electrode, carbon fiber through broadwise carbon fiber, through broadwise dielectric fibers
Dimension at least be woven into sensing fabric through to broadwise at least one of, at least two electrodes.
Preferably, meet carbon fiber at least be woven into sensing fabric through to broadwise at least one of under the premise of, through to
Carbon fiber (C) and dielectric fibers (D) include but is not limited to C0:D1, and expression does not penetrate carbon fiber, all wears dielectric fibers, C1:
D1 is indicated through to 1 carbon fiber, 1 dielectric fibers, successively drawing-in is arranged, C2:D2, C3:D3, C8:D8, C16:D16, C1:D1:
The equal proportions such as C2:D2:C3:D3:C2:D2:C1:D1 and variation ratio drawing-in are arranged, broadwise carbon fiber (C) and dielectric fibers (D)
Including but not limited to C0:D1, expression do not penetrate carbon fiber, all wear dielectric fibers, and C1:D1 is indicated through to 11, carbon fiber
Dielectric fibers successively arrange by drawing-in, C2:D2, C3:D3, C8:D8, C16:D16, C1:D1:C2:D2:C3:D3:C2:D2:C1:D1
Equal different proportions wear latitude arrangement, and including but not limited to biaxially orthogonal woven forms different carbon fiber organizational unit shapes, carbon fiber
Organizational unit shape is tieed up including but not limited to square, rectangle and organizational unit size not less than monofilament beam width 0.25cm's
Cell structure is blended cloth.
Preferably, electrode includes but is not limited to carbon fiber itself, conductive silver paint, metallic welding electrode etc..
Preferably, fabric structure includes but is not limited to simple plain weave, twill etc..
Preferably, dielectric fibers are including but not limited to one or more in the high performance dielectric fibers such as aramid fiber, glass fibre
Blended, carbon fiber is including but not limited to carbon filament bundle, the denatured conductive carbon fibers such as plating metal；
It is preferred that carbon fiber is through the starch slurry paste of 5-10% and the acrylic size of 3-8% before the weaving of carbon fiber filament beam
Sizing finish.
Preferably, when elongation strain is less than 0.4%, resistance change rate can reach 30% or more.
Preferably, carbon fiber one-way penetrates, and carbon fiber one-way penetrates unit or when non-equal proportion penetrates, and has sensing every
It is anisotropic；Positioning, orientation and deformation sensing orientation filtering function can be achieved；
It is preferred that the full dielectric fibers of broadwise, plain weave weaving is at sensor, when through answering masterpiece to application through to full carbon fiber
When with strain, resistance is kept constant, that is, realizes deformation orientation filtering；And when broadwise application effect and deformation, resistance is with answering
Become and increase and increase, realizes that fabric sensor stretches sensor monitoring function.
It preferably, can be real by 2 pairs of electrode datas including but not limited to when different directions apply 2 pairs of totally 4 electrodes
It now include but is not limited to the position monitor function of thorn pressure effect.
It preferably, is including but is not limited to be used for bridge construction, antenna, antenna house, automobile, the high-strength compounds such as bullet train
Reinforced phase is used as in material in use, leading to resistance variations by strain even rupture failure, to realize fabric sensor
Material health monitoring function.
(3) beneficial effect
The present invention provides a kind of machine-knitted structure resistance-type carbon fiber-containing fabric sensor and its applications.Have following beneficial
Effect:
(1), the machine-knitted structure resistance-type carbon fiber-containing fabric sensor and its application, are led high-performance in a manner of woven
Electric carbon fiber and high-performance dielectric fibers construct out the high-intensitive textile structural material that can be deformed, and pass through multilayered structure of weaving
And its deformation, it realizes one kind and has both strain sensing, the fabric sensor of the functions such as electromagnetic shielding and frequency selection.
(2), the machine-knitted structure resistance-type carbon fiber-containing fabric sensor and its application, the fabric sensor is with woven work
Skill realizes that production cost is low, stabilization vdiverse in function, there is good benefit prospect, is conducive to be electromagnetically shielded in military and civilian anti-
Shield, human motion and protective survey, building health monitoring, function and intelligent textile and the extensive of flexible electronic field answer
With.
(3), the machine-knitted structure resistance-type carbon fiber-containing fabric sensor and its application, the fabric have flexible textile knot
Structure, can be by changing the arrangement of carbon fiber/dielectric fibers, organizational unit shape and size, the knot such as weaving amount of carbon fiber
Structure and composition parameter realize the monitoring for the strains such as stretching, pierce pressure, reverse and swing, while sensing anisotropic, it can be achieved that shape
Set is sensed to filtering and position monitor.
(4), the machine-knitted structure resistance-type carbon fiber-containing fabric sensor and its application, the fabric use high-performance conductive
Carbon fiber and high-performance dielectric fibers construct flexible textile structure, it can be achieved that shielding electromagnetic waves, by changing carbon fiber/Jie
Electric fiber interweaving arrangement is, it can be achieved that covering and penetrating to the selective resistance baffle plate of electromagnetic wave.
(5), the machine-knitted structure resistance-type carbon fiber-containing fabric sensor and its application, the fabric sensor use high property
Energy conductive carbon fibres peacekeeping high-performance dielectric fibers, woven work molding, have high strength and modulus, good mechanical property can at least be held
By 1200MPa or more applied stress, and it can be used as reinforced substrate of composite material.
Detailed description of the invention
Attached drawing 1 is the woven weaving schematic diagram of 1 fabric sensor of embodiment；
Attached drawing 2 is 1 carbon fiber of embodiment/kevlar fabric sensor sample photo and institutional framework schematic diagram；
Attached drawing 3 is 2 carbon fibers of embodiment/glass fabric sensor photo and institutional framework schematic diagram and resin compounded material
Flitch photo；
Attached drawing 4 is 2 carbon fibers of embodiment/glass fabric sensor effectiveness datagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of machine-knitted structure resistance-type carbon fiber-containing fabric sensing
Device and its application, the fabric sensor comprise the steps of:
Step 1: a kind of high-performance dielectric fibers and carbon fiber, woven into fabric being selected to test and count as sensor main body
Calculate its electromagnet shield effect, frequency selective characteristic and resistance-strain characteristic；
Step 2: according to required working frequency and shield effectiveness to be achieved, the main weaving by design carbon fiber
Amount, secondly by through broadwise carbon fiber and arrangement and distributing homogeneity through broadwise dielectric fibers, is knitted with high-performance dielectric fibers
Fabric sensor is caused, realizes electromagnetic shielding；
Step 3: it is required according to required shield effectiveness to be achieved and frequency selection, it is main by designing carbon fiber through broadwise
Carbon fiber and arrangement and weaving fabric cell configuration and size through broadwise dielectric fibers, secondly by the weaving amount of carbon fiber,
With the weaving of high-performance dielectric fibers at fabric sensor, electromagnetic shielding selection characteristic is realized, i.e., to electromagnetic wave in specific frequency
The high-selenium corn of high transmission or specific frequency；
Step 4: according to required resistance-strain characteristic to be achieved, it is main by design through broadwise carbon fiber parallel arrangement,
Interfibrous contact and intertexture, i.e., from generating when deformation, distance change contacts quantity to generation when deformation and contact area changes again
It is real with the weaving of high-performance dielectric fibers at fabric sensor without being extended by carbon fiber to contact and sliding is generated when deformation
It now stretches, pierce resistance significant change when the strain such as pressing, reverse and swing and there are the fabric sensors of specific consistent relationship；
Wherein, carbon fiber and dielectric fibers are high-performance fiber, and sensor fabric intensity caused by knitting is not less than
200MPa, and can be used as composite material base.
Woven fabric sensor includes that cloth and electrode are blended through broadwise carbon fiber, through broadwise dielectric fibers, and carbon fiber is at least
Be woven into sensing fabric through to broadwise at least one of, at least two electrodes.
Meet carbon fiber be at least woven into sensing fabric through to broadwise at least one of under the premise of, through to carbon fiber
It (C) include but is not limited to C0:D1 with dielectric fibers (D), expression does not penetrate carbon fiber, all wears dielectric fibers, C1:D1, table
Show through to 1 carbon fiber, 1 dielectric fibers, successively drawing-in is arranged, C2:D2, C3:D3, C8:D8, C16:D16, C1:D1:C2:
The equal proportions such as D2:C3:D3:C2:D2:C1:D1 and variation ratio drawing-in arrangement, broadwise carbon fiber (C) include with dielectric fibers (D)
But it is not limited to C0:D1, expression does not penetrate carbon fiber, all wears dielectric fibers, and C1:D1 is indicated through to 1 carbon fiber, 1 dielectric
Fiber successively arrange by drawing-in, and C2:D2, C3:D3, C8:D8, C16:D16, C1:D1:C2:D2:C3:D3:C2:D2:C1:D1 etc. is no
Latitude arrangement is worn in proportion, and including but not limited to biaxially orthogonal woven forms different carbon fiber organizational unit shapes, carbon fiber group
Knit grid of the cell configuration including but not limited to square, rectangle and organizational unit size not less than monofilament beam width 0.25cm
Structure is blended cloth.
Electrode includes but is not limited to carbon fiber itself, conductive silver paint, metallic welding electrode etc..
Fabric structure includes but is not limited to simple plain weave, twill etc..
Dielectric fibers are including but not limited to one or more blended, carbon in the high performance dielectric fibers such as aramid fiber, glass fibre
Fiber is including but not limited to carbon filament bundle, the denatured conductive carbon fibers such as plating metal；
It is preferred that carbon fiber is through the starch slurry paste of 5-10% and the acrylic size of 3-8% before the weaving of carbon fiber filament beam
Sizing finish.
When elongation strain is less than 0.4%, resistance change rate can reach 30% or more.
Carbon fiber one-way penetrates, and carbon fiber one-way penetrates unit or when non-equal proportion penetrates, and has sensing anisotropic；It can
Realize positioning, orientation and deformation sensing orientation filtering function；
It is preferred that the full dielectric fibers of broadwise, plain weave weaving is at sensor, when through answering masterpiece to application through to full carbon fiber
When with strain, resistance is kept constant, that is, realizes deformation orientation filtering；And when broadwise application effect and deformation, resistance is with answering
Become and increase and increase, realizes that fabric sensor stretches sensor monitoring function.
Including but not limited to when different directions apply 2 pairs of totally 4 electrodes, by 2 pairs of electrode datas, realization can include but
It is not limited to the position monitor function of thorn pressure effect.
It is including but is not limited to be used for bridge construction, antenna, antenna house, automobile, in the high-strength composite materials such as bullet train
As reinforced phase in use, leading to resistance variations by strain even rupture failure, to realize that the material of fabric sensor is strong
Health monitoring function.
Embodiment 1: it in conjunction with Fig. 1, is weaved using semi-automatic loom, SGA598 type.Before weaving, 5wt.% propylene is used respectively
Wintercherry material carries out starching processing to Kafra fiber to carbon fiber and 7wt.% starch size.
In conjunction with Fig. 2, using carbon fibre tow and aramid fiber beam (through successively penetrating carbon fibre tow 16 to broadwise
Root, aramid fiber beam 16) biaxial braid (plain weave, every lattice 16,2.0 × 2.0cm of organizational unit size).Carbon fiber wire
3000 fibers of beam/tow, every 7 μm of diameter, stretch modulus 234GPa of carbon fiber (polyacrylonitrile-radical, PYROFIL TR30S),
Tensile strength 4120MPa, tensile ductility 1.8%.3000 fibers of aramid fiber beam/tow, every fiber (Kevlar -129,
E.I.Du Pont Company) 12 μm of diameter, stretch modulus 131GPa, tensile strength 3.6GPa, tensile ductility 2.8%.
The single mixed cell of fabric is tested along the D.C. resistance of stress direction using 4 sonde methods (precision is higher),
Each electrode is connect with conductive silver glue with copper conductor, and electrode is at ribbon, along the direction perpendicular to stress axis across whole
A fabric sensor.External two electrodes apply constant current, internal two electrode measurement voltages.Using mechanical test system apply and
Fabric strain and stress are measured, sample and stretching clamp insulate.During tensile deformation, while the measurement electricity of continuous number
Resistance, strain and stress.And then obtain the piezoresistive effect corresponding relationship between fabric sensor resistance and strain/stress.Utilize this
Induction and monitoring of the fabric sensor to elongation strain and stress can be achieved in piezoresistive effect relationship.
Fabric sensor shown in 1. Fig. 2 of table through to (carbon fiber broadwise is arranged in parallel in test cell) resistance variations and stretch
The piezoresistive effect corresponding relationship of strain and stress；
Table 1
Embodiment 2: in conjunction with Fig. 4, (Changzhou Depew Co., Ltd SGA598 type) is weaved using semi-automatic loom.It is weaving
Before, starching processing is carried out to glass fibre to carbon fiber and 6wt.% starch size with 5wt.% acrylic size respectively.
Using carbon fibre tow and glass fiber bundle (through to successively penetrating carbon fibre tow 2 with broadwise, glass fibre
Beam 2) biaxial braid (plain weave, every lattice 4,0.5 × 0.5cm of organizational unit size).Carbon fibre tow parameter is the same as implementation
Example 1.Glass fiber bundle be high dielectric E glass (Nanjing glass research institute), every 3.5~4.0 μm of fibre diameter, stretch modulus
13.8GPa, tensile strength 3.6GPa.
The corresponding relationship test characterization between fabric sensor resistance and strain and stress is obtained with embodiment 1.For electricity
The application characterization of magnetic screen, it is contemplated that the accuracy and reliability of measurement has selected one kind according to ASTM D4935-99 standard
Insertion loss method characterizes the materials of all R and D in this work.Sample is packed into an Elgal Set 19A (with color
Column) in shield effectiveness test fixture, the compound requirement of ASTM 4935 of the design of the fixture.Fixture and a 50 Ω resistant coaxial electricity
Cable connection, for the test fixture and HP8752C vector analysis instrument of connection signal generator.Sample is outer diameter 97mm, internal diameter
The annular of 32mm, sample edge apply silver paint.Insertion-loss method shows the fabric sensor not to electromagnetic interference shield Characterization result
Only with the selection at high effectiveness (in 0-1.5GHz full frequency band, shield effectiveness > 35dB) and characteristic frequency 7.2GHz
Property height loss shielding (~65dB).
In addition, fabric sensor of the present invention can be used as composite material reinforced phase substrate, by with resin compounded, through forming work
Skill is prepared into composite material.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By sentence " element limited including one ..., it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element ".
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of machine-knitted structure resistance-type carbon fiber-containing fabric sensor and its application, it is characterised in that: the fabric sensor by
Following steps composition:
1) a kind of high-performance dielectric fibers and carbon fiber, woven into fabric is selected to test as sensor main body and calculate its electromagnetism
Shield effectiveness, frequency selective characteristic and resistance-strain characteristic；
2) according to required working frequency and shield effectiveness to be achieved, the main weaving amount by design carbon fiber is secondly logical
It crosses through broadwise carbon fiber and arrangement and distributing homogeneity through broadwise dielectric fibers, with high-performance dielectric fibers weaving at knitting
Object sensor realizes electromagnetic shielding；
3) required according to required shield effectiveness to be achieved and frequency selection, it is main by design carbon fiber through broadwise carbon fiber and
Arrangement and weaving fabric cell configuration and size through broadwise dielectric fibers, secondly by the weaving amount of carbon fiber, with the height
Performance dielectric fibers are weaved into fabric sensor, realize electromagnetic shielding selection characteristic, i.e., saturating in the height of specific frequency to electromagnetic wave
It crosses or the high-selenium corn of specific frequency；
4) according to required resistance-strain characteristic to be achieved, it is main by design through broadwise carbon fiber parallel arrangement, interfibrous
Contact and intertexture, i.e., from distance change is generated when deformation to generation contact quantity when deformation and contact area variation again to when deformation
Contact and sliding are generated, without being extended by carbon fiber, with high-performance dielectric fibers weaving at fabric sensor, realizes and draws
Resistance significant change and there are the fabric sensors of specific consistent relationship when the strain such as stretching, pierce pressure, torsion and swing；
Wherein, the carbon fiber and dielectric fibers are high-performance fiber, and sensor fabric intensity caused by knitting is not less than
200MPa, and can be used as composite material base.
2. a kind of machine-knitted structure resistance-type carbon fiber-containing fabric sensor according to claim 1 and its application, feature
Be: woven fabric sensor includes being blended cloth and electrode through broadwise carbon fiber, through broadwise dielectric fibers, and carbon fiber is at least woven into
Sense fabric through to broadwise at least one of, at least two electrodes.
3. a kind of machine-knitted structure resistance-type carbon fiber-containing fabric sensor according to claim 1 and its application, feature
Be: meet carbon fiber at least be woven into sensing fabric through to broadwise at least one of under the premise of, through to carbon fiber (C) with
Dielectric fibers (D) include but is not limited to C0:D1, and expression does not penetrate carbon fiber, all wear dielectric fibers, C1:D1, indicate through to
1 carbon fiber, 1 dielectric fibers successively arrange by drawing-in, C2:D2, C3:D3, C8:D8, C16:D16, C1:D1:C2:D2:C3:D3:
The equal proportions such as C2:D2:C1:D1 and variation ratio drawing-in arrangement, broadwise carbon fiber (C) and dielectric fibers (D) include but is not limited to
C0:D1, expression do not penetrate carbon fiber, all wear dielectric fibers, C1:D1, indicate through to 1 carbon fiber, 1 dielectric fibers successively
Drawing-in arrangement, C2:D2, C3:D3, C8:D8, C16:D16, the different proportions such as C1:D1:C2:D2:C3:D3:C2:D2:C1:D1 are worn
Latitude arrangement, including but not limited to biaxially orthogonal woven forms different carbon fiber organizational unit shapes, carbon fiber organizational unit shape
Cell structure of the shape including but not limited to square, rectangle and organizational unit size not less than monofilament beam width 0.25cm mixes
Woven fabric.
4. a kind of machine-knitted structure resistance-type carbon fiber-containing fabric sensor according to claim 2 and its application, feature
Be: electrode includes but is not limited to carbon fiber itself, conductive silver paint, metallic welding electrode etc..
5. a kind of machine-knitted structure resistance-type carbon fiber-containing fabric sensor according to claim 3 and its application, feature
Be: fabric structure includes but is not limited to simple plain weave, twill etc..
6. a kind of machine-knitted structure resistance-type carbon fiber-containing fabric sensor according to claim 2 and its application, feature
Be: dielectric fibers are including but not limited to one or more blended, carbon fiber in the high performance dielectric fibers such as aramid fiber, glass fibre
Including but not limited to carbon filament bundle, the denatured conductive carbon fibers such as plating metal；
It is preferred that before the weaving of carbon fiber filament beam, the acrylic size starching of starch slurry paste and 3-8% of the carbon fiber through 5-10%
It arranges.
7. a kind of machine-knitted structure resistance-type carbon fiber-containing fabric sensor according to claim 1 and its application, feature
Be: when elongation strain is less than 0.4%, resistance change rate can reach 30% or more.
8. a kind of machine-knitted structure resistance-type carbon fiber-containing fabric sensor according to claim 1 and its application, feature
Be: carbon fiber one-way penetrates, and carbon fiber one-way penetrates unit or when non-equal proportion penetrates, and has sensing anisotropic；It can be real
It now positions, orientation and deformation sensing orientation filtering function；
It is preferred that through to full carbon fiber, the full dielectric fibers of broadwise, plain weave weaving at sensor, when through to apply stress and
When strain, resistance is kept constant, that is, realizes deformation orientation filtering；And when broadwise application effect and deformation, resistance increases with strain
Increase greatly, realizes that fabric sensor stretches sensor monitoring function.
9. a kind of machine-knitted structure resistance-type carbon fiber-containing fabric sensor according to claim 1 and its application, feature
It is: includes but is not limited to that can include but not when different directions apply 2 pairs of totally 4 electrodes by 2 pairs of electrode datas, realization
It is limited to pierce the position monitor function of pressure effect.
10. a kind of machine-knitted structure resistance-type carbon fiber-containing fabric sensor according to claim 8 and its application, feature
It is: is including but is not limited to the antenna for bridge construction, antenna house, automobile, conduct in the high-strength composite materials such as bullet train
Reinforced phase is in use, lead to resistance variations by strain even rupture failure, to realize the material health prison of fabric sensor
Brake.
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