CN102002791B - Touch electronic fabric - Google Patents
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- CN102002791B CN102002791B CN2010105707523A CN201010570752A CN102002791B CN 102002791 B CN102002791 B CN 102002791B CN 2010105707523 A CN2010105707523 A CN 2010105707523A CN 201010570752 A CN201010570752 A CN 201010570752A CN 102002791 B CN102002791 B CN 102002791B
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Abstract
The invention relates to a touch electronic fabric, which belongs to the field of textile engineering. In the touch electronic fabric, a core yarn serves as a covering yarn of a metal wire; a double-layer fabric with a capacitor structure is established by a warp yarn and weft yarn interweaving method; the surface layer and the inner layer of the double-layer fabric form two pole plates of the capacitor; and when the fabric is pressed, the distance between the surface layer and the inner layer changes and the capacitance of the fabric changes, so the induction of the fabric to external pressure is reflected by measuring the change of the capacitance of the fabric. The touch electronic fabric of the invention can serve as a fabric pressure sensor to replace an electronic device sensor and is suitable for the fields needing to detect or monitor the change of external pressure, such as industries, medical health, sports, textile and clothes and the like.
Description
Technical field
The present invention relates to a kind of thoughts and feelings electronic fabric, belong to the Textile Engineering field.
Background technology
Along with the development of textile technology and the raising of people's living standard, textiles is progressively to functionalization and intelligent direction development.Particularly the smart electronics textiles has merged textile technology, electronic technology, the multi-disciplinary technology of computer technology, make textiles have the function of perception to external world and reaction, just more and more come into one's own, the smart electronics textiles is considered to a direction of the development of textile industry.The smart electronics textiles is meant the function textile that environment is had perception and reaction.
The developmental research of smart electronics textiles starts from the seventies in last century, mainly is electronic device is installed on the textiles, because the volume of electronic device is big, and the function singleness of product, its range of application is restricted.Along with microminiaturization, the flexibility of electronic device, various countries have strengthened the input of smart electronics textiles and research, and the smart electronics textiles that combines with electronic device obtains develop rapidly.Electronic device has still all been obtained very large progress in function aspects at volume, and the smart electronics textiles of exploitation has obtained extensive use in fields such as amusement, health care, protective survey, defence and militaries.But the integration technology of electronic device and textiles is perfect not enough, the fusion of technology also is in developing stage, the method of taking is that electronic device is embedded in the textiles, and electronic device does not also satisfy some functional requirement of textiles such as mechanical pressure, softness, water-fastly washes, comfortableness etc.Therefore the research of the flexible sensor that combines with fabric has obtained extensive concern.Particularly at garment industry, it is comfortable and easy to wear again often to require flexible sensor water-fastly to wash, so people attempt raw material by changing fabric or the method for textile finishing is developed various fabric sensing devices, make fabric have the extraneous function that changes of thoughts and feelings.
The thoughts and feelings electronic fabric, mainly be can self start type when fabric is subjected to extraneous pressure or passive type respond to this variation, and make suitable feedback by extraneous detection of electrons loop.The range of application of thoughts and feelings electronic fabric is very extensive, can be used for fields such as sportswear, health care.The method that adopts has methods such as pressure sensitive, fabric coating, conductive yarn, but the fabric sensor that makes is further improved at aspects such as stability, sensitivity, manufacturing cost, purposes and improves.As alternately braiding with conductive fiber and non-conductive fibre yarn, make fabric with three-decker, the two-layer up and down of fabric is that resistivity is the MIXED FABRIC of the metallized thread and the common yarn of 10 ohm/cm, the centre is that comparatively sparse nylon wire works to isolate two-layer fabrics up and down, when on fabric, exerting pressure, two-layer fabrics is realized contact by the space of nylon wire up and down, causes the variation of the signal of telecommunication.Though this thoughts and feelings electronic fabric has overcome the deficiency of electronic device, but its function is to contact by the conductive fiber of two-layer fabrics up and down to realize, the changes in resistance of conductive fiber contact point, directly influence the sensitivity of fabric thoughts and feelings, when the non-conductive impurity of dust was arranged between contact point, the sensitivity meeting reduced greatly, even lost the function of thoughts and feelings, thereby being somebody's turn to do the poor reliability of feeling electronic fabric, wash durability is poor.The Japanology person adopts the conductive yarn manufacturing thoughts and feelings electronic fabric with two layers of structure, when fabric is subjected to ambient pressure, the electric capacity of fabric can change, fabric is obtaining very big improvement aspect comfortableness, the wash durability, but when fabric was subjected to external force, the changes in capacitance amount was little, the poor sensitivity of stress reaction to external world, reliability is not high, and is little thereby high to the electronic loop requirement of capacitance detecting owing to the changes in capacitance amount simultaneously, the cost height of the thoughts and feelings electronic fabric of actual fabrication.
Summary of the invention
At the problems referred to above, the object of the present invention is to provide a kind of thoughts and feelings electronic fabric.
The technical solution adopted for the present invention to solve the technical problems is: a kind of thoughts and feelings electronic fabric, the thoughts and feelings electronic fabric is a two-layer fabric, the warp thread on fabric top layer, weft yarn, the warp thread of fabric nexine, weft yarn is the yarn of skin-core structure, the heart yarn of yarn is a conductive wire, the skin yarn is a textile fabric, the skin yarn is coated on the heart yarn outer surface, fabric tissue is an access node tissue in the table of two-layer fabric, access node is organized as access node through access node tissue in the table of access node method or be access node tissue in the table of binding pick access node method in the table, the binder yarn of fabric table nexine is natural fabric yarn or staple fibre yarn, or natural fabric and staple fibre blended yarn, the heart yarn through all yarns of broadwise of the periphery on fabric top layer connects through the electric conductor conducting, and the heart yarn through all yarns of broadwise of the periphery of fabric nexine connects through the electric conductor conducting.
Described skin yarn is natural fabric or staple fibre.
Described heart yarn is stainless steel wire or copper wire.
Described heart yarn has the stainless steel wire of insulating coating or copper wire, iron wire, aluminium wire for the surface.
Owing to adopted above technical scheme, thoughts and feelings electronic fabric of the present invention has following characteristics:
One owing to adopted the two-layer fabric structure, the heart yarn of the filling yarn of fabric is an electric conductor, the table of fabric, the heart yarn through the yarn of broadwise of nexine periphery is connected respectively, two-layer fabric has just formed a capacitor, fabric table nexine is respectively two pole plates of capacitor, the skin yarn that is coated on the heart yarn surface is the medium of capacitor, when the pole plate two ends add certain voltage, two-layer fabric just has certain electric capacity, and when the fabric pressurized, the distance between two-layer fabric table nexine can change, electric capacity also can change, by detecting the changes in capacitance of fabric, just can know fabric pressurized situation, fabric has the thoughts and feelings function.Two-layer fabric can be weaved on ordinary loom, low cost of manufacture, can large-scale industrial production.
Two compare with the thoughts and feelings electronic fabric of woven structure, two-layer fabric is subjected to ambient pressure and does the time spent, and the electric capacity increment rate of fabric is big, and the thoughts and feelings of fabric is highly sensitive, under the size of thoughts and feelings electronic fabric, the big or small identical condition of suffered external force, low to the measuring accuracy requirement in capacitance detecting loop.The electric capacity of fabric is only relevant with the structure of fabric, thereby the thoughts and feelings good stability of thoughts and feelings electronic fabric.
Three to have adopted wire be that heart yarn, natural fabric or chemical fibre are the yarn of skin yarn, and the thoughts and feelings electronic fabric flexibility that makes is good, water-fastly washes, comfortableness is good.The thoughts and feelings sensor of having avoided electronic device to do fabric brings not water-fastly washes, the problem of flexibility and comfortableness difference.
Thoughts and feelings electronic fabric of the present invention can be used as the fabric pressure sensor and substitutes the electronic device sensor, is adapted to fields such as the various industry that need detection or monitoring ambient pressure to change, health care, physical culture, textile garment.
Description of drawings
Accompanying drawing is the structural representation of thoughts and feelings electronic fabric of the present invention
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is done and to describe in further detail.
See accompanying drawing
A kind of thoughts and feelings electronic fabric, the thoughts and feelings electronic fabric is a two-layer fabric, the warp thread 1 on fabric top layer, weft yarn 2, the warp thread 3 of fabric nexine, weft yarn 4 are the yarn of skin-core structure, the heart yarn of yarn is a conductive wire, and the skin yarn is a textile fabric, and the skin yarn is coated on the heart yarn outer surface.Fabric tissue is an access node tissue in the table of two-layer fabric, access node is organized as access node through access node tissue in the table of access node method or be access node tissue in the table of binding pick access node method in the table, and the binder yarn 5 of fabric table nexine is natural fabric yarn or staple fibre yarn or natural fabric and staple fibre blended yarn.The heart yarn through all yarns of broadwise of the periphery on fabric top layer connects through the electric conductor conducting, the heart yarn electric conductor conducting through all yarns of broadwise of the periphery of fabric nexine connects, be the insulation not on-state between the table nexine of fabric, electric conductor can adopt sliver-powder conducting glue or cupric powder conductive adhesive, two-layer fabric has just formed a capacitor like this, the top layer of fabric, nexine is respectively two pole plates of capacitor, skin yarn between pole plate is the medium of capacitor, when pole plate adds certain voltage, fabric just has certain electric capacity, when the fabric pressurized, the spacing between pole plate changes, and the electric capacity of fabric will change.Detect the changes in capacitance of fabric, just can understand the situation of fabric pressurized, fabric just has the thoughts and feelings function.
The manufacture process of fabric comprises the steps:
(1) spinning of skin-core structure yarn.On fine spining machine or fancy yarn machine, spin the conductive yarn of the conductive yarn of top layer warp thread 1, weft yarn 2 usefulness of two-layer fabric and nexine warp thread 3, weft yarn 4 usefulness respectively.The skin yarn adopts natural fabric or staple fibre, and heart yarn adopts conductive wire.Conductive wire can adopt stainless steel wire or copper wire according to different needs.Under equal thickness condition, copper wire is soft relatively, when the thoughts and feelings fabric requires to adopt copper wire proper when higher to the flexibility of fabric.Conductive wire also can adopt the surface that stainless steel wire, iron wire, copper wire, the aluminium wire of insulating coating are arranged, can keep state of insulation between the fabric table nexine, not only can improve woven production efficiency, can also improve the wash durability of fabric, the unsuitable corrosion of wire can improve the thoughts and feelings stability of feeling fabric.In order to enhance productivity, top layer warp thread 1 adopts identical yarn with nexine warp thread 3, spins with the same process condition.
(2) winding procedure.(1) warp thread 1 that obtains, warp thread 3 and weft yarn 2, weft yarn 3 pass through winder respectively, make the bobbin of a constant volume package, are convenient to the processing of subsequent handling, remove the yarn faults such as thickness joint of conductive yarn simultaneously.
(3) through the yarn of (2) winder,, process respectively according to the purposes difference of warp thread, weft yarn.In order to enhance productivity and to manage, top layer warp thread 1 and nexine warp thread 3 adopt following operation to process.
The a warping process.On warping machines, length is abreast, be wound on the warp beam equably in accordance with regulations with the warp thread of certain radical.
B sizing operation.Warp thread through starching, is wound on the beam of a loom, improves the weavability of warp thread.
C wears the tying-in operation.The top layer warp thread 1 and the nexine warp thread 3 of the two-layer fabric on the beam of a loom are pressed the disciplinarian request of the institutional framework of two-layer fabric, gait, adopt top layer warp thread 1 to be through preceding page or leaf and combine, nexine warp thread 3 is through the back comprehensive subregion of page or leaf and wears method.
4 of top layer weft yarn 2 and nexine weft yarns pass through filling preparation respectively according to woven requirement, are wound into to be fit to woven package weft yarn.
(4) preparation of binder yarn 5.Binder yarn 5 adopts natural fabric yarn or staple fibre yarn or natural fabric and staple fibre blended yarn.The thickness of binder yarn 5 is close with the thickness through weft yarn of showing the nexine fabric as far as possible.Binder yarn 5 is made the bobbin of a constant volume package through winding procedure, is convenient to woven processing, removes the yarn faults such as thickness joint of yarn simultaneously.
(5) weaving process.On loom,, weave according to the design feature of two-layer fabric.
(6) according to actual needs, the fabric that (5) are obtained is cropped to the size of required size, unwanted weft yarn or longitude and latitude with the edge of fabric top layer, nexine removes respectively, the heart yarn through all yarns of broadwise with the periphery on fabric top layer connects with sliver-powder conducting glue or cupric powder conductive adhesive conducting then, equally, the heart yarn through all yarns of broadwise of the periphery of fabric nexine connects with sliver-powder conducting glue or cupric powder conductive adhesive conducting, is the insulation not on-state between the table nexine of fabric.
With above method, the thoughts and feelings electronic fabric of the two-layer fabric that makes is compared with the thoughts and feelings electronic fabric of woven, has calculated the electric capacity increment rate (seeing Table 1) of fabric by the electric capacity before and after the test fabric pressurized.
The electric capacity increment rate of two kinds of thoughts and feelings of table 1 electronic fabric
Test condition is: specimen size 12cm
2, test frequency 100Hz, seal making alive 1.0V
| Pressure (cN) | The electric capacity increment rate of woven | The electric capacity increment rate of two-layer fabric |
| 0.21 | 0.14％ | 0.40％ |
| 0.70 | 0.28％ | 3.63％ |
| 1.19 | 0.43％ | 4.83％ |
| 1.68 | 0.57％ | 5.65％ |
| 2.17 | 0.71％ | 7.66％ |
| 2.66 | 0.85％ | 8.07％ |
| 3.15 | 0.99％ | 8.87％ |
| 3.64 | 1.28％ | 9.27％ |
| 4.13 | 1.56％ | 10.89％ |
| 4.62 | 2.13％ | 11.45％ |
The calculating formula of electric capacity increment rate is as follows:
In the formula, q
1The electric capacity that test obtains during for the fabric pressurized; q
0The electric capacity that test obtains when not having pressurized for fabric.
Claims (4)
1. feel electronic fabric for one kind, it is characterized in that: the thoughts and feelings electronic fabric is a two-layer fabric, the warp thread on fabric top layer (1), weft yarn (2), the warp thread of fabric nexine (3), weft yarn (4) is the yarn of skin-core structure, the heart yarn of yarn is a conductive wire, the skin yarn is a textile fabric, the skin yarn is coated on the heart yarn outer surface, fabric tissue is an access node tissue in the table of two-layer fabric, access node is organized as access node through access node tissue in the table of access node method or be access node tissue in the table of binding pick access node method in the table, the binder yarn (5) of fabric table nexine is natural fabric yarn or staple fibre yarn, or natural fabric and staple fibre blended yarn, the heart yarn through all yarns of broadwise of the periphery on fabric top layer connects through the electric conductor conducting, and the heart yarn through all yarns of broadwise of the periphery of fabric nexine connects through the electric conductor conducting.
2. a kind of thoughts and feelings electronic fabric as claimed in claim 1 is characterized in that: described skin yarn is natural fabric or staple fibre.
3. a kind of thoughts and feelings electronic fabric as claimed in claim 1 is characterized in that: described heart yarn is stainless steel wire or copper wire.
4. a kind of thoughts and feelings electronic fabric as claimed in claim 1 is characterized in that: described heart yarn has the stainless steel wire of insulating coating or copper wire, iron wire, aluminium wire for the surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010105707523A CN102002791B (en) | 2010-11-29 | 2010-11-29 | Touch electronic fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010105707523A CN102002791B (en) | 2010-11-29 | 2010-11-29 | Touch electronic fabric |
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| CN102002791A CN102002791A (en) | 2011-04-06 |
| CN102002791B true CN102002791B (en) | 2011-09-28 |
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| CN2010105707523A Active CN102002791B (en) | 2010-11-29 | 2010-11-29 | Touch electronic fabric |
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Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101208100B1 (en) * | 2011-08-30 | 2012-12-04 | 주식회사 대호데크론 | Manufacturing method of conductive material and manufacturing method of gloves using conductive material thereof |
| CN103147209A (en) * | 2013-03-14 | 2013-06-12 | 江苏悦达纺织集团有限公司 | Stainless steel fiber radiation protection face fabric and fabrication method thereof |
| CN104264315B (en) * | 2014-05-27 | 2016-08-31 | 武汉纺织大学 | A kind of method for weaving of body temperature trans fabric |
| US10701801B2 (en) * | 2015-06-09 | 2020-06-30 | Continental—Industria Textil Do Ave, S.A | Multifunctional textile sensor |
| CN105568503B (en) * | 2016-02-26 | 2017-04-26 | 盐城工业职业技术学院 | water drop sensor fabric and production method thereof |
| GB2561490B (en) * | 2016-04-07 | 2019-02-27 | Advanced E Textiles Ltd | Improvements relating to textiles incorporating electronic devices |
| CN106235495A (en) * | 2016-08-30 | 2016-12-21 | 赛纳（苏州）安防用品有限公司 | A kind of intelligent and safe footwear based on fabric pressing force transducer |
| CN108567196A (en) * | 2017-03-09 | 2018-09-25 | 清远广硕技研服务有限公司 | Capacitive pressure detects insole and its operation method |
| CN107557936A (en) * | 2017-10-18 | 2018-01-09 | 安徽咏鹅家纺股份有限公司 | A kind of spinning yarn not easy to break |
| CN110512332A (en) * | 2019-08-30 | 2019-11-29 | 盐城工业职业技术学院 | A kind of liquid leakage sensor fabric |
| CN113186642B (en) * | 2021-04-01 | 2021-12-24 | 江苏金麟户外用品有限公司 | Intelligent high-elasticity cloth |
| CN113174670B (en) * | 2021-04-27 | 2023-06-09 | 华中科技大学 | Pressure sensing fiber, yarn, fabric and device and preparation method thereof |
| CN113238682B (en) * | 2021-05-12 | 2023-05-09 | 维沃移动通信有限公司 | Electronic equipment |
| CN114808241A (en) * | 2022-03-31 | 2022-07-29 | 魏桥纺织股份有限公司 | Breathable capacitive flexible array pressure sensor based on textile structure and preparation method thereof |
| CN114959988B (en) * | 2022-04-18 | 2023-06-02 | 江南大学 | Capacitive array sensing fabric for detecting multi-directional stress and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1938677A (en) * | 2004-03-31 | 2007-03-28 | 皇家飞利浦电子股份有限公司 | Textile form touch sensor |
| CN101393058A (en) * | 2008-11-03 | 2009-03-25 | 东华大学 | Flexible resistance type pressure sensor with machine-weaved structure and use thereof |
| CN201226304Y (en) * | 2008-06-13 | 2009-04-22 | 东华大学 | Pressure type textile-based flexible switch with two-layer structure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2339495B (en) * | 1998-05-21 | 2000-11-15 | Univ Brunel | Pressure sensor |
| US7673528B2 (en) * | 2005-05-12 | 2010-03-09 | Euisik Yoon | Flexible modular sensor systems |
| DE102006016661B4 (en) * | 2006-04-08 | 2008-08-07 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Tactile surface sensor |
-
2010
- 2010-11-29 CN CN2010105707523A patent/CN102002791B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1938677A (en) * | 2004-03-31 | 2007-03-28 | 皇家飞利浦电子股份有限公司 | Textile form touch sensor |
| CN201226304Y (en) * | 2008-06-13 | 2009-04-22 | 东华大学 | Pressure type textile-based flexible switch with two-layer structure |
| CN101393058A (en) * | 2008-11-03 | 2009-03-25 | 东华大学 | Flexible resistance type pressure sensor with machine-weaved structure and use thereof |
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Effective date of registration: 20170525 Address after: Fushan District, Shandong province 265500 Yantai City Ying Road No. 28 Patentee after: Yantai Pacific Home Fashion Co., Ltd. Address before: 430073 Textile Road, Hongshan District, Hubei, China, No. 1, No. Patentee before: Wuhan Textile University |
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Effective date of registration: 20180716 Address after: 265500 fufu Road, fukushan District, Yantai, Shandong Province, No. 28 Co-patentee after: Yantai Mingyuan Intelligent Household Technology Co., Ltd. Patentee after: Yantai Pacific Home Fashion Co., Ltd. Address before: 265500 fufu Road, fukushan District, Yantai, Shandong Province, No. 28 Patentee before: Yantai Pacific Home Fashion Co., Ltd. |
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