CN105803624B - The preparation method of bending strain sensing fabric with transmission of wireless signals function - Google Patents
The preparation method of bending strain sensing fabric with transmission of wireless signals function Download PDFInfo
- Publication number
- CN105803624B CN105803624B CN201610243080.2A CN201610243080A CN105803624B CN 105803624 B CN105803624 B CN 105803624B CN 201610243080 A CN201610243080 A CN 201610243080A CN 105803624 B CN105803624 B CN 105803624B
- Authority
- CN
- China
- Prior art keywords
- fabric
- antenna
- yarn
- bending strain
- strain sensing
- 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.)
- Expired - Fee Related
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Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D1/00—Woven fabrics designed to make specified articles
- D03D1/0088—Fabrics having an electronic function
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D11/00—Double or multi-ply fabrics not otherwise provided for
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
-
- 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
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
- D03D15/56—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads elastic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
-
- 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
- D10B2401/06—Load-responsive characteristics
- D10B2401/061—Load-responsive characteristics elastic
-
- 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
-
- 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
- D10B2403/00—Details of fabric structure established in the fabric forming process
- D10B2403/03—Shape features
- D10B2403/033—Three dimensional fabric, e.g. forming or comprising cavities in or protrusions from the basic planar configuration, or deviations from the cylindrical shape as generally imposed by the fabric forming process
Abstract
The invention provides a kind of preparation method of the bending strain sensing fabric with transmission of wireless signals function, a kind of elastomeric yarn is selected first, weaves into fabric, as the dielectric substrate of antenna, tests and calculates its dielectric constant and dielectric loss；According to the working frequency needed for result of calculation and antenna, the basic size of the radiation element of antenna is calculated, selects a kind of conductive yarn to weave the radiation element, feed line and earth plate of antenna together with elastomeric yarn；Finally by vertical bundled yarn, cause when an entirety, flexural deformation frequency to change obvious each several part and the fabric antenna structure of linear rule be present.The sensitive textile structural of bending strain is combined by the present invention with antenna element, realizes bending strain sensing fabric that is a kind of while having transmission of wireless signals function and bending strain sensing function concurrently；The sensing fabric construction integrality is good, and stabilization is uniform under external force, can predict；Product cost is relatively low, stable performance, is advantageous to promote the use of.
Description
Technical field
The present invention relates to a kind of preparation method of the bending strain sensing fabric with transmission of wireless signals function, belong to work(
Can textile and intelligent textile technical field.
Background technology
Along with developing rapidly for science and technology, the function of textile be not limited solely to it is attractive in appearance with warming, holding its
On the premise of original feature, intelligent textile has become a trend of its development, in research in recent years, intelligence weaving
Product have obtained widely should in electron and electrician, sports, digital multimedia amusement, biologic medical and military and national defense
With.It is even more that there is certain Research Significance by the combination of textile and communication equipment.Wearable antenna is weaved as a kind of intelligence
Product, microstrip antenna is combined with the textile of flexible deformable, the advantages of it has taken into account textile and microstrip antenna, not only had
Standby textile is soft, comfortable, moisture absorption, the wearability such as ventilative, be also equipped with that microstrip antenna section height is low, and size is small, weight
Amount is light, compact-sized, good with carrier conformability, hidden can be integrated into a series of good characteristics such as fabric so that antenna is completed
Preferably it can be bonded while information transfer with partes corporis humani point.
The current research for wearable antenna both at home and abroad, mainly by antenna with flexible textile material by suturing, gluing
Closing etc. that mode is laminated forms, this antenna typically has less volume and low section, and is easier and human body holding is conformal,
Be attached on clothes uses more.In general weaving antenna structure is to be used to signal transmit mostly, has not been used to fabric sensory field.
In fact, flexible antenna structure, in deformation process, its electromagnetic property, such as resonant frequency, standing-wave ratio parameter can occur
Change.If by the electromagnetic signal of monitoring aerial, the deformation suffered by fabric antenna counter can be released.But in general layer
The fabric antenna structure of conjunction, structure is not sufficiently stable in BENDING PROCESS, easily causes stratified deformation, textile structural is easily produced
Irregular deformation, so as to which antenna flexural deformation can not be perceived by the change of monitoring aerial performance.
The content of the invention
The technical problem to be solved in the present invention is how to prepare one kind to have transmission of wireless signals function and bending strain biography concurrently
Feel the bending strain sensing fabric of function.
In order to solve the above-mentioned technical problem, the technical scheme is that providing a kind of with transmission of wireless signals function
Bending strain senses the preparation method of fabric, it is characterised in that this method is made up of following 3 steps：
Step 1：A kind of elastomeric yarn is selected, weaves into fabric, as the dielectric substrate of antenna, tests and calculates its dielectric
Constant and dielectric loss；
Step 2：Working frequency and resulting dielectric constant, dielectric loss according to needed for antenna, calculate the spoke of antenna
The basic size of member is penetrated, a kind of conductive yarn is selected, the radiation element, feed line, Jie of antenna is weaved together with the elastomeric yarn
Matter substrate and earth plate；
Step 3：By vertical bundled yarn, dielectric substrate, radiation element, feed line, medium substrate and earth plate are weaved
As frequency change is obvious when an entirety, flexural deformation and the fabric antenna structure of linear rule be present；
Wherein, the elongation at break of the elastomeric yarn and elastomeric conductive yarn is not less than 20%.
Preferably, in the step 1, the dielectric properties of elastomeric yarn are：Dielectric constant 2-8, dielectric loss angle tangent
0.00001-0.01。
It is highly preferred that in the step 1, elastomeric yarn is the high-elasticity fibers such as elastic spandex, terylene elastomeric yarn, also optional
With other types of fibers such as high-performance fiber, common chemical fibres.
Further, the elastomeric yarn density is 40-2000dtex.
Preferably, in the step 1, fabric is structure change uniform two under three-dimensional structure fabric or bending strain state
Tie up elastic construction fabric.
It is highly preferred that the three-dimensional structure fabric is three-dimensional orthogonal fabric, three-dimensional angle-interlock fabric or three-dimensional spacer fabric.
Preferably, in the step 2, the electrical conductivity of elastomeric conductive yarn is 103-108s/m。
It is highly preferred that in the step 2, elastomeric conductive yarn is metal wire, CNT yarn, graphene fiber, carbon
Fiber or conductive coating yarn.
Preferably, in the step 3, vertical bundled yarn is post yarn or alternating yarns.
It is highly preferred that the post yarn or alternating yarns are polyester monofilament, polypropylene fibre, polyamide fibre or polyvinyl monofilament, tune can be passed through
The modulus of whole post yarn adjusts the bending strain sensing sensitivity of fabric.
Preferably, the fabric antenna structure is based on microstrip antenna structure, plane antenna structure or curved surface conformal antenna knot
Structure.
Preferably, the fabric antenna structure is based on doublet antenna structure or phased array antenna structure.
Preferably, the fabric antenna structure is single radiation element antenna structure or array antenna structure.
Preferably, when fabric antenna structure bends strain deformation, the working frequency of antenna changes；By right
The anti-bending strain deformation for pushing away fabric antenna structure of monitoring of aerial signal, so as to realize that fabric antenna structural bending strains
Sensor monitoring function.
Preferably, the working frequency of the antenna can change with the bending strain in fabric antenna structure length direction,
It can change with the bending strain in fabric antenna structure width direction.
Preferably, L-band, S-band, C-band, X-band, Ku wave bands etc. can be selected in the working frequency of the antenna, can press
The size of weaving antenna is designed according to the working frequency of actual demand.
The present invention uses three dimensional fabric manufacturing technology, and elastomeric conductive yarn and elastomeric yarn weaving are turned into fabric antenna knot
Structure, its radiation element, earth plate and feed line are made up of elastomeric conductive yarn, and dielectric substrate is by the excellent elastomeric yarn of dielectric properties
Line is formed, and all parts turn into an entirety by the weaving of three-dimensional woven technique.When deformation occurs to bend for fabric, the work of antenna
Working frequency changes.The flexural deformation situation of fabric counter can be pushed away by the monitoring to aerial signal, so as to realize that fabric is bent
Sensor monitoring function.A kind of new mentality of designing is provided for function textile and intelligent textile.
Compared with prior art, the present invention has the advantages that：
1st, the sensitive textile structural of bending strain is combined with antenna element, realizes one kind while have wireless signal concurrently
The bending strain sensing fabric of transfer function and bending strain sensing function；
2nd, bending strain sensing fabric has that structural intergrity is good, under external force stabilization uniformly, can be pre-
The characteristics of survey, so as to perceive the flexural deformation of fabric by the anti-skew for pushing away operating frequency of antenna, realize that fabric is bent
Strain sensing monitoring function；
3rd, bending strain sensing fabric has flexible textile structural, can be by adjusting yarn parameter and structural parameters control
The flexural deformation of weaving thing, so as to regulate and control the sensitivity of sensing fabric；
4th, using automatized three-dimensional weaving, product cost is relatively low, stable performance, is advantageous to promote the use of, in military project
National defence, human motion monitoring, intelligent clothing and intelligence structure field are with a wide range of applications.
Brief description of the drawings
Fig. 1 is that single radiation element bending strain senses fabric schematic diagram in embodiment 1；
Fig. 2 is that the bending strain of biradial member senses fabric schematic diagram in embodiment 2.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention
Rather than limitation the scope of the present invention.In addition, it is to be understood that after the content of the invention lectured has been read, people in the art
Member can make various changes or modifications to the present invention, and these equivalent form of values equally fall within the application appended claims and limited
Scope.
Embodiment 1
It is as follows with reference to Fig. 1, the preparation of three-dimensional woven list radiation element crooked sensory day wire fabric, specific method：
(1) from bare copper wire as conductive yarn, 0.5 millimeter of diameter；Select the good elastic polyethylene yarn of dielectric properties
Line, fineness 400tex.
(2) designing antenna working frequency is 1.5GHz, and prepared three dimensional fabric thickness is 2.5mm, its dielectric constant r=
1.5, according to Antenna Design it is theoretical (referring to《Antenna theory and technology》Chapter 6, clock up time is write), single radiation element is calculated
Microstrip antenna dimensional parameters.In Fig. 1, W and L are respectively that radiation element is wide and long, WG and the wide and long FL that LG is finished product microstrip antenna
For the length of feed line, FD is the width of feed line.
(3) single radiation element microstrip antenna prefabricated component is weaved.Designing basic structure prefabricated component includes three layers, and the superiors are elasticity
The woven structure sheaf of radiation element 1 of conductive yarn；Its lower floor be by polyethylene yarn as the tissue layer of matrix 3 through weft weaving,
Base fabric layer is made up of two layers of warp thread and three layers of weft yarn, plays a part of supporting radiation element；Orlop is elastic conductive fiber
Woven ground panel；Three-layer textile form turns into an entirety by the vertical bundled yarn constraint being interweaved.In edge weaving side
During to up to 14mm, start to weave antenna element 1, after the 38.6mm for completing radiation element first half, when reaching feed line 2, after
Continuous weaving latter half radiation element and antenna structure, weaving work are completed.By coaxial connector (JSMA-KFD40) probe
With being welded at the distributing point of radiation element, that is, complete the weaving process of three-dimensional orthogonal structural bending sensing fabric.
(4) fabric edge is during width radius of curvature is reduced to 20mm by infinitely great (plane), its work
Frequency increases to 1.56GHz by 1.5GHzz；As shown in table 1.By being obtained to working frequency change and the fitting of deflection distance
Corresponding relation between the two, using the corresponding relation can by monitor wireless signal situation of change perceive fabric by curved
Bent situation.
Table 1. senses fabric width W direction bending strains and working frequency relation
Embodiment 2
With reference to Fig. 2, the bending strain of three-dimensional woven biradial member senses the preparation of fabric, and specific method is as follows：
(1) from bare copper wire as conductive yarn, 0.5 millimeter of diameter；Select the good aramid yarn of dielectric properties, fineness
400tex。
(2) working frequency of designing antenna is 2GHz, and prepared three dimensional fabric thickness is 2.5mm, its dielectric constant r=
4.5, single radiation element microstrip antenna dimensional parameters are obtained according to Antenna Design theoretical calculation, as shown in Fig. 2 wherein W1 and L1 is biography
Feel the wide of fabric and length, W2 and L2 are respectively the wide of radiation element paster and length, and L3, L4, L5 are the length of feeder line, and W3, W4, W5 are
The width of feeder line.
(3) single radiation element microstrip antenna prefabricated component is weaved.Structure prefabricated component is divided into three layers, and the superiors are elastomeric conductive yarn
The woven structure sheaf of radiation element 1；Its lower floor is as the tissue layer of matrix 3 through weft weaving, base fabric layer by aramid yarn
It is made up of two layers of warp thread and three layers of weft yarn, orlop is the woven ground panel of conductive fiber.Electric yarn is with aramid fiber by bobbin
Frame is drawn, and is layered in advance by steel button before machine, bundled yarn passes through heddle eyelet, copper wire and warp thread between the heald of the heald frame of page two
Pass through, form multilayer shed open after lower leaf on heald frame, after weft yarn is introduced by arrow shaft, heald frame alternatively up and down, complete by subsequent reed
Beating, wound by motor and complete curling work, three-layer textile form turns into one by the vertical bundled yarn constraint being interweaved
It is overall.
When reaching 14mm along weaving direction, begin to use shuttle to weave antenna element, choose the superiors' veil, lift day
The warp thread of line cell width, the shuttle that copper stranded conductor is wound with using one carry out wefting insertion, and through the warp thread lifted, cop often draws once
Latitude, beating once, after the 42.8mm for completing radiation element first half, when reaching feeding network 2, continue to weave latter half radiation
Member and antenna structure, subsequent cell method for weaving are identical.By the probe of coaxial connector (JSMA-KFD40) and radiation element
Welded at distributing point, the base of coaxial connector mutually welds with the underlying copper line of antenna prefabricated component.
(4) fabric edge is during width radius of curvature is reduced to 40mm by infinitely great (plane), its work
Frequency increases to 2.12GHz by 2GHz；As shown in table 2.By obtaining two to working frequency change and the fitting of deflection distance
Corresponding relation between person, fabric can be perceived by bending by monitoring the situation of change of wireless signal using the corresponding relation
Situation.
The sensor array antenna fabric width W direction bending strains of table 2. and working frequency relation
Claims (10)
- A kind of 1. preparation method of the bending strain sensing fabric with transmission of wireless signals function, it is characterised in that this method It is made up of following 3 steps：Step 1：A kind of elastomeric yarn is selected, weaves into fabric, as the dielectric substrate of antenna, tests and calculates its dielectric constant And dielectric loss；Step 2：Working frequency and resulting dielectric constant, dielectric loss according to needed for antenna, calculate the radiation element of antenna Basic size, select a kind of elastomeric conductive yarn, weaved together with the elastomeric yarn radiation element of antenna, feed line and Earth plate；Step 3：By vertical bundled yarn, the weaving of dielectric substrate, radiation element, feed line and earth plate is turned into an entirety , flexural deformation when frequency change it is obvious and the fabric antenna structure of linear rule be present；Wherein, the elongation at break of the elastomeric yarn and elastomeric conductive yarn is not less than 20%.
- 2. a kind of preparation method of bending strain sensing fabric with transmission of wireless signals function as claimed in claim 1, It is characterized in that：In the step 1, the dielectric properties of elastomeric yarn are：Dielectric constant 2-8, dielectric loss angle tangent 0.00001-0.01。
- A kind of 3. preparation side of bending strain sensing fabric with transmission of wireless signals function as claimed in claim 1 or 2 Method, it is characterised in that：In the step 1, elastomeric yarn is elastic spandex or terylene elastomeric yarn.
- 4. a kind of preparation method of bending strain sensing fabric with transmission of wireless signals function as claimed in claim 1, It is characterized in that：In the step 1, fabric is the uniform two-dimentional bullet of structure change under three-dimensional structure fabric or bending strain state Property construction fabric.
- 5. a kind of preparation method of bending strain sensing fabric with transmission of wireless signals function as claimed in claim 4, It is characterized in that：The three-dimensional structure fabric is three-dimensional orthogonal fabric, three-dimensional angle-interlock fabric or three-dimensional spacer fabric.
- 6. a kind of preparation method of bending strain sensing fabric with transmission of wireless signals function as claimed in claim 1, It is characterized in that：In the step 2, the electrical conductivity of elastomeric conductive yarn is 103-108s/m。
- A kind of 7. preparation side of bending strain sensing fabric with transmission of wireless signals function as described in claim 1 or 6 Method, it is characterised in that：In the step 2, elastomeric conductive yarn is metal wire, CNT yarn, graphene fiber, carbon fiber Or conductive coating yarn.
- 8. a kind of preparation method of bending strain sensing fabric with transmission of wireless signals function as claimed in claim 1, It is characterized in that：In the step 3, vertical bundled yarn is post yarn or alternating yarns.
- 9. a kind of preparation method of bending strain sensing fabric with transmission of wireless signals function as claimed in claim 1, It is characterized in that：The fabric antenna structure is based on microstrip antenna structure, plane antenna structure or curved surface conformal antenna structure.
- 10. a kind of preparation method of bending strain sensing fabric with transmission of wireless signals function as claimed in claim 1, It is characterized in that：When fabric antenna structure bends strain deformation, the working frequency of antenna changes；By to antenna The anti-bending strain deformation for pushing away fabric antenna structure of monitoring of signal, so as to realize fabric antenna structural bending strain sensing Monitoring function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610243080.2A CN105803624B (en) | 2016-04-19 | 2016-04-19 | The preparation method of bending strain sensing fabric with transmission of wireless signals function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610243080.2A CN105803624B (en) | 2016-04-19 | 2016-04-19 | The preparation method of bending strain sensing fabric with transmission of wireless signals function |
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| CN105803624A CN105803624A (en) | 2016-07-27 |
| CN105803624B true CN105803624B (en) | 2017-12-12 |
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| CN201610243080.2A Expired - Fee Related CN105803624B (en) | 2016-04-19 | 2016-04-19 | The preparation method of bending strain sensing fabric with transmission of wireless signals function |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106848558B (en) * | 2017-02-08 | 2020-01-10 | 耿歌 | Solar sailboard conformal antenna of spacecraft |
| CN106835413A (en) * | 2017-02-15 | 2017-06-13 | 义乌市麻尚生针织品有限公司 | A kind of preparation method of the coloured stretch yarn of fiber blend high scalability |
| CN109786954A (en) * | 2019-01-23 | 2019-05-21 | 同济大学 | Flexible very high frequency(VHF) RFID label antenna and its method of adjustment |
| CN109768386A (en) * | 2019-02-01 | 2019-05-17 | 永康国科康复工程技术有限公司 | A kind of stretchable antenna and preparation method thereof |
| CN109980348A (en) * | 2019-04-22 | 2019-07-05 | 东华大学 | A kind of corrosion-resistant flexible wearable antenna and preparation method thereof |
| CN113904107B (en) * | 2021-09-29 | 2024-01-23 | 浙江理工大学 | Symmetrical dipole antenna based on intarsia knitted fabric and preparation method |
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