CN110440958A - A kind of capacitance pressure transducer, based on warp-knitted spacer fabric - Google Patents
A kind of capacitance pressure transducer, based on warp-knitted spacer fabric Download PDFInfo
- Publication number
- CN110440958A CN110440958A CN201910721023.4A CN201910721023A CN110440958A CN 110440958 A CN110440958 A CN 110440958A CN 201910721023 A CN201910721023 A CN 201910721023A CN 110440958 A CN110440958 A CN 110440958A
- Authority
- CN
- China
- Prior art keywords
- warp
- fabric
- knitted spacer
- spacer fabric
- pressure transducer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B21/14—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B21/14—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
- D04B21/16—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating synthetic threads
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0006—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using woven fabrics
-
- 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
- G01L1/14—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators
- G01L1/142—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators using capacitors
- G01L1/146—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators using capacitors for measuring force distributions, e.g. using force arrays
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/04—Properties of the materials having electrical or magnetic properties
- D06N2209/041—Conductive
-
- 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
-
- 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
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
-
- 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
- D10B2331/10—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyurethanes
-
- 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
- D10B2401/00—Physical properties
- D10B2401/16—Physical properties antistatic; conductive
Abstract
The invention discloses a kind of capacitance pressure transducer,s based on warp-knitted spacer fabric, including dielectric layer and the electrode plate being connected with dielectric layer, the dielectric layer is warp-knitted spacer fabric, the electrode plate is conductive fabric, the two sides of the warp-knitted spacer fabric are provided with conductive fabric, and conducting wire pin is connected at the conductive fabric.Present invention incorporates warp-knitted spacer fabric resistance to compressions it is good, breathable moisture permeability is excellent the advantages that, a kind of flexible sensor that can be integrated into daily textile is provided, can detecte pressure change, has the characteristics that good portability, high sensitivity, environmental-friendly and comfortable.
Description
Technical field
The present invention relates to a kind of capacitance pressure transducer,s based on warp-knitted spacer fabric, belong to textile process technology neck
Domain.
Background technique
In daily life, textile is the most frequent consumer goods of people's routine use.In recent years, as people are for movement
The growing demand of body-building, health care, security protection etc., there is the intelligent textile of specific function to come into being,
It is fast-developing.The intelligent textile of early stage is that the components such as rigid sensor, circuit board, CPU are embedded in traditional fabric, tool
Have heavy, lofty and the shortcomings that be difficult to clean.And then for the research of the flexible sensor based on textile material, structure
It solves these problems, improves the flexibility and comfort of intelligent textile.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of, and the capacitive pressure based on warp-knitted spacer fabric passes
Sensor.
The present invention is achieved through the following technical solutions:
A kind of capacitance pressure transducer, based on warp-knitted spacer fabric, including dielectric layer and the electrode being connected with dielectric layer
Plate, the dielectric layer are warp-knitted spacer fabric, and the electrode plate is conductive fabric, and the two sides of the warp-knitted spacer fabric are respectively provided with
There is conductive fabric, conducting wire pin is connected at the conductive fabric.
A kind of capacitance pressure transducer, based on warp-knitted spacer fabric, the warp-knitted spacer fabric with a thickness of
7~21mm.
A kind of capacitance pressure transducer, based on warp-knitted spacer fabric, two surfaces of the warp-knitted spacer fabric
It can be the structures such as mesh, plain weave.
A kind of capacitance pressure transducer, based on warp-knitted spacer fabric, the conductive fabric are at conductive coating
The weft-knitted conductive fabric or warp knit conductive fabric that highly dense plain fabric, the conductive yarn of reason weave.
A kind of capacitance pressure transducer, based on warp-knitted spacer fabric leads between the dielectric layer and electrode plate
Binder is crossed to be bonded.
A kind of capacitance pressure transducer, based on warp-knitted spacer fabric, the electrode plate covering on dielectric layer
Lid mode is is completely covered, part covers or multizone arrangement covering.
A kind of capacitance pressure transducer, based on warp-knitted spacer fabric, the conducting wire pin use insulating tape
It is pasted on electrode plate.
Advantageous effects of the invention:
When pressure sensor of the invention is by external force, warp-knitted spacer fabric spacing changes, so as to cause electricity
Capacitance variation, to realize the purpose of measurement pressure change.
Present invention incorporates warp-knitted spacer fabric resistance to compressions it is good, breathable moisture permeability is excellent the advantages that, providing one kind can
The flexible sensor being integrated into daily textile, can detecte pressure change, and there is good portability, high sensitivity, environmental protection to relax
The features such as suitable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of capacitance sensor of the present invention；
Fig. 2 is the front view of Fig. 1；
Fig. 3 is the schematic illustration of capacitance sensor of the present invention；
Fig. 4 is strain-capacitance curve of the capacitance sensor under ten repeated compressions in embodiment 1；
In figure: 1, dielectric layer, 2, binder, 3, electrode plate, 4, conducting wire pin, 5, adhesive tape.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
Embodiment 1
The preparation method of the capacitance pressure transducer, of warp-knitted spacer fabric, the specific steps are as follows:
(1) double rib warp loom RD6N type is selected, GB1-GB3 sley bar is for weaving table on space fabric in the type
Face, GB5-GB6 sley bar play a part of to connect upper and lower surface for weaving space fabric lower surface, GB4.Machine machine number is E12, machine
Width is 130 inches, electronic warp feeding mechanism traversing using floral disc cam and electronics draw-off mechanism.
(2) using the superficial layer of the polyester multifilament weaving space fabric of 33.33tex144f, using the terylene of 27.77tex
The articulamentum of monofilament weaving space fabric.Eyed structure is selected on two surfaces of space fabric, and specific band yarn technique is GB1:0-
0-0-0/2-2-2-2/1-1-1-1/3-3-3-3/1-1-1-1/2-2-2-2//, completely wear；GB2:(1-0-0-0/0-1-1-1) ×
3//, completely wear；GB4:1-0-1-2/2-3-2-1//, completely wear；GB5:(1-1-1-0/0-0-0-1) × 3//, completely wear；GB6:0-0-
0-0/2-2-2-2/1-1-1-1/3-3-3-3/1-1-1-1/2-2-2-2//, completely wear.
(3) use woven highly dense conducting adhesive cloth for electrode plate.In this embodiment, woven highly dense conducting adhesive cloth is with terylene
Fiber is raw material, by one layer of nickel metallics of plating on highly dense woven fabric, then plates one layer of copper metal with high conductivity
Substance, overleaf coats acrylic glue and the manufactured highly dense woven fabric of conduction, thickness are 0.1mm, and resistance is 10 5 Ω/cm2。
By this kind of woven highly dense direct docile of conducting adhesive cloth on above-mentioned two surface of space fabric, electrode and dielectric layer size are all 10cm
×10cm。
(4) conducting wire pin is separately fixed at by two electrode plate surfaces using insulating tape.Capacitance signalling values pass through conducting wire
Pin is transferred in test equipment.
Fig. 4 is strain-electricity of the capacitance pressure transducer, prepared by above-described embodiment under the conditions of repeating ten second compressions
Hold curve, it can be seen that the variation that space fabric capacitance pressure transducer, of the invention can succeed according to ambient pressure
It is converted into the change of capacitance, to realize the monitoring for pressure value.
Embodiment 2
The preparation method of the capacitance pressure transducer, of warp-knitted spacer fabric, the specific steps are as follows:
(1) double rib warp loom RD6N type is selected, GB1-GB3 sley bar is for weaving table on space fabric in the type
Face, GB5-GB6 sley bar play a part of to connect upper and lower surface for weaving space fabric lower surface, GB4.Machine machine number is E12, machine
Width is 130 inches, electronic warp feeding mechanism traversing using floral disc cam and electronics draw-off mechanism.
(2) using the superficial layer of 33.33tex144f polyester multifilament weaving space fabric, using 35.55tex polyester monofilament
Weave the articulamentum of space fabric.In this embodiment, space fabric surface thereof selects eyed structure, and another surface is selected flat
Line structure, specific band yarn technique are GB1:(1-0-0-0/1-2-2-2) × 2/ (2-3-3-3/2-1-1-1) × 2//, 1 wears 1
It is empty；GB2:(2-3-3-3/2-1-1-1) × 2/ (1-0-0-0/1-2-2-2) × 2//, 1 wear 1 sky；GB4:1-0-1-2/2-3-2-
1//, completely wear；GB5:(1-1-1-0/0-0-0-1) × 3//, completely wear；GB6:0-0-0-0/2-2-2-2//, completely wear.
(3) use weft-knitted conductive fabric for electrode plate.In this embodiment, the weft-knitted conductive fabric of selection uses
The silver-plated polyamide fibre yarn of 8.33tex polyamide fibre and 4.44tex weave on SM8-TOP2MP2 Sheng Dongni single side seamless-molding inner wear machine
It forms, machine barrel dliameter is 15 inches, and machine number is E28.Fabric is plain plating structure, and with a thickness of 0.79mm, cross is close to be
17.5wpc is indulged close for 24cpc.In this embodiment, using double-sided adhesive as binder, by the weft-knitted conductive fabric docile
On two surface of space fabric as described in step (2), electrode size is 5cm × 6cm, and dielectric layer size is 10cm × 10cm.
(4) conducting wire pin is separately fixed at by two electrode plate surfaces using insulating tape.Capacitance signalling values pass through conducting wire
Pin is transferred in test equipment.
Warp-knitted spacer fabric is a kind of sandwich structure, has upper and lower fabric surface and middle ware paraphysis, is had good
Resistance to compression, the feature of environmental protection and breathable moisture permeability.At present both at home and abroad for the compression performance of warp-knitted spacer fabric, tensile property and
Breathable moisture permeability has all done numerous studies, therefore, capacitive pressure sensing is made using warp-knitted spacer fabric as dielectric layer
Device has certain theory and practical basis.
Embodiment 3
The preparation method of the capacitance pressure transducer, of warp-knitted spacer fabric, the specific steps are as follows:
(1) double rib warp loom RD6N type is selected, GB1-GB3 sley bar is for weaving table on space fabric in the type
Face, GB5-GB6 sley bar play a part of to connect upper and lower surface for weaving space fabric lower surface, GB4.Machine machine number is E12, machine
Width is 130 inches, electronic warp feeding mechanism traversing using floral disc cam and electronics draw-off mechanism.
(2) using the superficial layer of 33.33tex144f polyester multifilament weaving space fabric, using 46.66tex polyester monofilament
Weave the articulamentum of space fabric.In this embodiment, space fabric surface thereof selects eyed structure, and another surface is selected flat
Line structure, specific band yarn technique be GB1:4-5-5-5/3-2-2-2/4-5-5-5/1-0-0-0/2-3-3-3/1-0-0-0//,
2 wear 2 skies；GB2:1-0-0-0/2-3-3-3/1-0-0-0/4-5-5-5/3-2-2-2/4-5-5-5//, 2 skies 2 are worn；GB3:(1-0-
0-0/0-1-1-1) × 3//, completely wear；GB4:1-0-1-2/2-3-2-1//, completely wear；GB5:(1-1-1-0/0-0-0-1) × 3//,
Completely wear；GB6:(2-2-2-2/0-0-0-0) × 3//, completely wear.
(3) use warp knit conductive fabric for electrode plate.In this embodiment, the warp knit conductive fabric of selection is in HKS3 trie
It is woven on section's tricot machine, machine machine number is E28, fabric thickness 1.93mm, and close cross is 16 comprehensive row/cm, and indulging close is 20 cross
Column/cm.Specific raw material and band yarn technique be GB1:1-0/2-3//, the silver-plated polyamide fibre of 4.44tex is completely worn；GB2:2-3/1-0//,
5.55tex/2.22tex washs ammonia wrap yarn, completely wears；GB3:1-0/2-3//, the silver-plated polyamide fibre of 5.55tex/24f FDY is completely worn.In
In this embodiment, use double-sided adhesive as binder, above-mentioned warp knit conductive fabric docile is knitted at the interval as described in step (2)
Two surface of object, electrode and dielectric layer size are all 5cm × 5cm.
(4) conducting wire pin is separately fixed at by two electrode plate surfaces using insulating tape.Capacitance signalling values pass through conducting wire
Pin is transferred in test equipment.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of capacitance pressure transducer, based on warp-knitted spacer fabric, including dielectric layer and the electrode being connected with dielectric layer
Plate, which is characterized in that the dielectric layer is warp-knitted spacer fabric, and the electrode plate is conductive fabric, the warp-knitted spacer fabric
Two sides be provided with conductive fabric, conducting wire pin is connected at the conductive fabric.
2. a kind of capacitance pressure transducer, based on warp-knitted spacer fabric according to claim 1, which is characterized in that institute
State warp-knitted spacer fabric with a thickness of 7~21mm.
3. a kind of capacitance pressure transducer, based on warp-knitted spacer fabric according to claim 1, which is characterized in that institute
Two surfaces for stating warp-knitted spacer fabric can be the structures such as mesh, plain weave.
4. a kind of capacitance pressure transducer, based on warp-knitted spacer fabric according to claim 1, which is characterized in that institute
Stating conductive fabric is the weft-knitted conductive fabric or warp knit conduction that highly dense plain fabric, the conductive yarn that conductive coating is handled weave
Fabric.
5. a kind of capacitance pressure transducer, based on warp-knitted spacer fabric according to claim 1, which is characterized in that institute
It states and is bonded between dielectric layer and electrode plate by binder.
6. a kind of capacitance pressure transducer, based on warp-knitted spacer fabric according to claim 1, which is characterized in that institute
State coverage mode of the electrode plate on dielectric layer be completely covered, part covering or multizone arrangement covering.
7. a kind of capacitance pressure transducer, based on warp-knitted spacer fabric according to claim 1, which is characterized in that institute
Conducting wire pin is stated to be pasted on electrode plate using insulating tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910721023.4A CN110440958A (en) | 2019-08-06 | 2019-08-06 | A kind of capacitance pressure transducer, based on warp-knitted spacer fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910721023.4A CN110440958A (en) | 2019-08-06 | 2019-08-06 | A kind of capacitance pressure transducer, based on warp-knitted spacer fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110440958A true CN110440958A (en) | 2019-11-12 |
Family
ID=68433442
Family Applications (1)
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| CN201910721023.4A Pending CN110440958A (en) | 2019-08-06 | 2019-08-06 | A kind of capacitance pressure transducer, based on warp-knitted spacer fabric |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110811614A (en) * | 2019-12-04 | 2020-02-21 | 东华大学 | Fabric sensing knitted intelligent garment process design and surface myoelectricity monitoring method |
| CN110897423A (en) * | 2019-12-03 | 2020-03-24 | 江南大学 | Intelligent cushion system and pressure detection method |
| CN110926661A (en) * | 2019-11-21 | 2020-03-27 | 东华大学 | Flexible fabric pressure and strain composite sensor |
| CN111270393A (en) * | 2020-02-25 | 2020-06-12 | 江南大学 | Design and weaving method of weft-knitted bidirectional jacquard structure flexible sensor for intelligent mattress |
| CN114934336A (en) * | 2022-05-10 | 2022-08-23 | 陕西锦澜科技有限公司 | Conductive blended yarn, flame-retardant conductive fabric and flexible intelligent wearable device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110926661A (en) * | 2019-11-21 | 2020-03-27 | 东华大学 | Flexible fabric pressure and strain composite sensor |
| CN110926661B (en) * | 2019-11-21 | 2021-10-01 | 东华大学 | Flexible fabric pressure and strain composite sensor |
| CN110897423A (en) * | 2019-12-03 | 2020-03-24 | 江南大学 | Intelligent cushion system and pressure detection method |
| CN110811614A (en) * | 2019-12-04 | 2020-02-21 | 东华大学 | Fabric sensing knitted intelligent garment process design and surface myoelectricity monitoring method |
| CN111270393A (en) * | 2020-02-25 | 2020-06-12 | 江南大学 | Design and weaving method of weft-knitted bidirectional jacquard structure flexible sensor for intelligent mattress |
| CN111270393B (en) * | 2020-02-25 | 2021-06-25 | 江南大学 | Design and weaving method of weft-knitted bidirectional jacquard structure flexible sensor for intelligent mattress |
| CN114934336A (en) * | 2022-05-10 | 2022-08-23 | 陕西锦澜科技有限公司 | Conductive blended yarn, flame-retardant conductive fabric and flexible intelligent wearable device |
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Application publication date: 20191112 |