CN110148337A - Coil circular principle weft-knitting textile electrode resistance theoretical model construction method - Google Patents

Coil circular principle weft-knitting textile electrode resistance theoretical model construction method Download PDF

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Publication number
CN110148337A
CN110148337A CN201910355152.6A CN201910355152A CN110148337A CN 110148337 A CN110148337 A CN 110148337A CN 201910355152 A CN201910355152 A CN 201910355152A CN 110148337 A CN110148337 A CN 110148337A
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China
Prior art keywords
textile electrode
resistance
weft
knitting
electrode
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CN201910355152.6A
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张佳慧
王建萍
许宁
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Yiwu Cheng Ying Cloud Technology Co Ltd
Donghua University
National Dong Hwa University
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Yiwu Cheng Ying Cloud Technology Co Ltd
Donghua University
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
    • G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
    • G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
    • G09B23/182—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for components

Abstract

The present invention relates to a kind of coil circular principle weft-knitting textile electrode resistance theoretical model construction methods, comprising the following steps: measures the equivalent resistance of conductive yarn；Linear fit is carried out to test result, obtains the linear fit equation and raw material resistance coefficient r of conductive yarn；Using common yarn as electrode basement, conductive yarn as textile electrode position, sample is prepared using weft-knitting machine；The equivalent resistance Rt of textile electrode on test sample；Resistive module theoretical model is established, theoretical k value is calculated according to the coil number in length and breadth of textile electrode；Textile electrode equivalent resistance prediction model is established using correlation analysis and multiple linear regression analysis.The present invention is conducive to quantitative analysis and predicts the equivalent resistance of textile electrode, provides theoretical reference for the personalized customization and industrialization production of intelligent textile.

Description

Coil circular principle weft-knitting textile electrode resistance theoretical model construction method
Technical field
The present invention relates to textile electrode Resistance model for prediction constructing technology fields, more particularly to a kind of coil circular principle weft knitting Knitted fabric electrodes resistance theoretical model construction method.
Background technique
The sensor fabric as obtained by using conductive fiber has many advantages, such as that softness is light and handy, easy to carry, in information Sensing and transmission aspect have become one of the optimal material of intelligent clothing exploitation, and the fabric type that textile electrode is often selected has It is woven, knitting, embroidery, non-woven etc., knitted electrode because be preferably bonded with human skin can reduce relative friction caused by cunning Dynamic artefact, it is in recent years in widespread attention.
Knitted conductive fabric is complexity series-parallel circuit made of bending to coil as conductive yarn and wearing, electric conductivity It can be influenced by factors such as electrode material, size and institutional frameworks, currently, both at home and abroad to the research master of textile electrode electric conductivity It to be the electrode equivalent resistance of one factor different level of qualitative comparison, for quantitative analysis knitted fabric electrodes equivalent resistance side Method is few, it is more difficult to realize the guidance to production practices.Therefore, constructing one kind can be used for quantitative analysis and predicts weft-knitting fabric The resistive module theoretical model of electrode equivalent resistance is then very necessary.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of coil circular principle weft-knitting textile electrode resistance reasons By model building method, be conducive to quantitative analysis and predict the equivalent resistance of weft-knitting textile electrode, to produce optimal case Intelligent knitted textile and personalized customization provide may, to intelligent clothing development play positive facilitation.
The technical solution adopted by the present invention to solve the technical problems is: providing a kind of coil circular principle weft-knitting and knits Object electrode resistance theoretical model construction method, comprising the following steps:
(1) equivalent resistance of conductive yarn is measured；
(2) linear fit is carried out to test result, obtains the linear fit equation and raw material resistance coefficient r of conductive yarn；
(3) it using common yarn as electrode basement, conductive yarn as textile electrode position, is prepared using weft-knitting machine Sample；
(4) on test sample textile electrode equivalent resistance Rt；
(5) resistive module theoretical model is established, theoretical k value is calculated according to the coil number in length and breadth of textile electrode；
(6) textile electrode equivalent resistance prediction model is established using correlation analysis and multiple linear regression analysis.
Using the conductive yarn of different unit lengths in the resistance measurements meters such as volometer measurement 20cm in the step (1) Equivalent resistance.
Weft-knitting textile electrode is made using conductive yarn as plaiting in the step (3), it is the back side is extra after lower machine Conductive yarn mean allocation Split Down, and fixed using two-sided conductive tape.
Ammeter positive and negative anodes are taken respectively when testing equivalent resistance to textile electrode in the step (4) outermost in textile electrode Lateral coil.
The step (5) specifically: assuming that frictional dissipation is uniform in conductive yarn knitting cycle, by the unit of different tissues Coil regards as a resistance unit, electric current laterally across when row resistance series connection, stringer resistor coupled in parallel, according to the fabric of design Electrode wires loop graph calculates theory K value, and calculation isWherein, x is the course count of textile electrode, and ni is the i-th column Coil number.
When establishing textile electrode equivalent resistance prediction model in the step (6), by knitted fabric equivalent resistance be selected as because Variable, raw material resistance coefficient r and weft-knitting textile electrode theoretical k value are as independent variable.
Beneficial effect
Due to the adoption of the above technical solution, compared with prior art, the present invention having the following advantages that and actively imitating Fruit: the present invention is based on coil circular principles to construct the resistive module theoretical model of a weft-knitting textile electrode, is conducive to The relatively efficiently equivalent resistance of quantitative analysis and prediction textile electrode, especially non-rectangle complicated series-parallel circuit, this hair It is bright to explore a kind of textile electrode equivalent resistance prediction technique, reason is provided for the personalized customization and industrialization production of intelligent textile By reference, so that intelligent clothing is able to open up and expand market rapidly, and meet the different need of people with the intelligent direction of multiplicity It asks.
Detailed description of the invention
Fig. 1 is conductive yarn equivalent resistance Linear Fit Chart；
Fig. 2 a is the organization chart of plain weave；
Fig. 2 b is the organization chart of 1 × 1 stripping；
Fig. 2 c is the organization chart of 1 × 2 stripping；
Fig. 3 is weft-knitting textile electrode resistive module theoretical model building process figure.
Specific embodiment
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, those skilled in the art Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited Range.
Embodiments of the present invention are related to a kind of coil circular principle weft-knitting textile electrode resistance theoretical model building Method, comprising the following steps:
(1) equivalent resistance of conductive yarn is measured.Using resistance measurements meters such as volometers in this step, measurement is concentrated The equivalent resistance of the conductive yarn of different unit lengths in 20cm, can be by repeatedly measuring reduction human error.
(2) linear fit is carried out to test result, obtains the linear fit equation and raw material resistance coefficient r of conductive yarn；
(3) it using common yarn as electrode basement, conductive yarn as textile electrode position, is prepared using weft-knitting machine Sample.Weft-knitting textile electrode is made using conductive yarn as plaiting in this step, the conductive yam that the back side is extra after lower machine Line mean allocation Split Down, and fixed using two-sided conductive tape.
(4) on test sample textile electrode equivalent resistance Rt, to avoid extra flotation line contact fabric in measurement process Electrode area takes ammeter positive and negative anodes respectively in the outermost lateral coil of textile electrode.
(5) resistive module theoretical model is established, theoretical k value is calculated according to the coil number in length and breadth of textile electrode.Specifically Are as follows: assuming that frictional dissipation is uniform in conductive yarn knitting cycle, the unit coil of different tissues is regarded as into a resistance unit, Electric current laterally across when row resistance series connection, stringer resistor coupled in parallel, according to the textile electrode circuit diagram of design calculate theory K value, Calculation isWherein, x is the course count of textile electrode, and ni is the coil number of the i-th column.
(6) textile electrode equivalent resistance prediction model is established using correlation analysis and multiple linear regression analysis.This step Knitted fabric equivalent resistance is selected as dependent variable in rapid, raw material resistance coefficient r and weft-knitting textile electrode theoretical k value are used as certainly Variable, and pay attention to testing model statistical significance.
The present invention is further illustrated below by a specific embodiment.
(1) conductive yarn equivalent resistance is tested
The present embodiment selects representative conductive yarn 222dtex to plate silver yarn and 111dtex/2 stainless steel wire, respectively Two kinds of conductive yam 30cm are cut, straight be placed in is insulated on plank and fixed at both ends with insulating tape, with LCR-Meter resistance Tester measures the resistance value of different unit lengths in 20cm respectively.Every kind of yarn per unit length is tested 10 times respectively and is averaged Value.Linear fit is carried out to measurement result using origin, as a result as shown in Figure 1.Obtain 222dtex plating silver yarn and 111dtex/2 stainless steel wire resistance coefficient r is respectively 5.0366 and 0.3665.
(2) textile electrode sample design and production
It is programmed using Photon Software on Drawing dis organization chart and with Quasar software, uses SANTONI GOAL615D circular knitting machine makes sample, and electrode area selects plain (Fig. 2 a), 1 × 1 stripping (Fig. 2 b), 1 × 2 stripping (Fig. 2 c) respectively Tissue；4 kinds of circular electrode sizes are designed simultaneously, and it is 12 × 24,16 × 32,20 × 40,24 that stringer number × course count, which separately designs, ×48。
(3) theoretical model is established
Process as shown in Figure 3 establishes weft-knitting electrode resistance Modularity Theory model, it is assumed that in conductive yarn knitting cycle The unit coil of different tissues is regarded as a resistance unit under the premise of frictional dissipation is uniform, and names plain weave, 1 × 1 respectively Stripping, 1 × 2 stripping tissue resistance unit be Rp、R1、R2.Calculate different tissues difference in length and breadth the theoretical k value of coil number and point It Ming Ming not Kp、K1、K2, such as lateral theoretical resistance expression formula of 12 stringers × 24 rows plain weave is R=Kp(12×24)* Rp.Each theoretical k value calculated result for organizing different coil numbers in length and breadth is as follows.
Table 1 respectively organizes the textile electrode resistance theoretical k value of different coil numbers in length and breadth
Stringer × course count Kp K1 K2
12×24 0.6865 0.4144 0.2689
16×32 0.7011 0.4023 0.2189
20×40 0.7329 0.4218 0.3305
24×48 0.7600 0.4406 0.2870
(4) weft-knitting electrode resistance linear fit model is established
By the extra conductive yarn Split Down in specimen electrode back side two sides, be in temperature (20 ± 2) DEG C, relative humidity (65 ± 5) under the conditions of the constant-humidity constant-temperature of %, using LCR-Meter resistance measurement meter measure respectively the transverse direction of various sample electrode area with Longitudinal electrical resistance.Test result is 6 average values, establishes knitted electrode linear fit using SPSS partial Correlation Analysis and regression analysis Model.
2 different tissues textile electrode resistance value partial correlation coefficient of table and regression model
Note: * is indicated in 0.05 horizontal significant correlation.
It is found by partial Correlation Analysis, after the influence for rejecting raw material, the resistance measured value and theoretical k value of textile electrode exist 0.05 horizontal significant correlation.Through examining, regression model and regression coefficient have statistical significance, and the independent variable in model is to strain Amount influences significant.Raw material resistance coefficient r and theoretical value K have significant forward direction to the resistance of textile electrode as can be seen from Table 2 It influences, and the textile electrode Resistance Fitting equation of three kinds of tissues adjusts R2Coefficient is all larger than 0.9, shows Regression Model Simulator effect It is more excellent.
It can be seen that the resistive module theoretical model that the present invention constructs can be used for weft-knitting textile electrode equivalent resistance Quantitative analysis and prediction are conducive to provide theoretical reference, band for the personalized customization of intelligent knitted textile and industrialization production Dynamic intelligent clothing meets the different demands of people with the intelligent direction of multiplicity to multi-field development.

Claims (6)

1. a kind of coil circular principle weft-knitting textile electrode resistance theoretical model construction method, which is characterized in that including with Lower step:
(1) equivalent resistance of conductive yarn is measured；
(2) linear fit is carried out to test result, obtains the linear fit equation and raw material resistance coefficient r of conductive yarn；
(3) it using common yarn as electrode basement, conductive yarn as textile electrode position, is prepared and is tried using weft-knitting machine Sample；
(4) on test sample textile electrode equivalent resistance Rt；
(5) resistive module theoretical model is established, theoretical k value is calculated according to the coil number in length and breadth of textile electrode；
(6) textile electrode equivalent resistance prediction model is established using correlation analysis and multiple linear regression analysis.
2. coil circular principle weft-knitting textile electrode resistance theoretical model construction method according to claim 1, It is characterized in that, using the conductive yam of different unit lengths in the resistance measurements meters such as volometer measurement 20cm in the step (1) The equivalent resistance of line.
3. coil circular principle weft-knitting textile electrode resistance theoretical model construction method according to claim 1, It is characterized in that, makes weft-knitting textile electrode for conductive yarn as plaiting in the step (3), it is the back side is extra after lower machine Conductive yarn mean allocation Split Down, and fixed using two-sided conductive tape.
4. coil circular principle weft-knitting textile electrode resistance theoretical model construction method according to claim 1, It is characterized in that, takes ammeter positive and negative anodes in textile electrode most respectively when testing equivalent resistance to textile electrode in the step (4) Outer coil.
5. coil circular principle weft-knitting textile electrode resistance theoretical model construction method according to claim 1, It is characterized in that, the step (5) specifically: assuming that frictional dissipation is uniform in conductive yarn knitting cycle, by the list of different tissues First coil regards as a resistance unit, electric current laterally across when row resistance series connection, stringer resistor coupled in parallel, according to knitting for design Object electrode wires loop graph calculates theory K value, and calculation isWherein, x is the course count of textile electrode, ni i-th The coil number of column.
6. coil circular principle weft-knitting textile electrode resistance theoretical model construction method according to claim 1, Be characterized in that, when establishing textile electrode equivalent resistance prediction model in the step (6), by knitted fabric equivalent resistance be selected as because Variable, raw material resistance coefficient r and weft-knitting textile electrode theoretical k value are as independent variable.
CN201910355152.6A 2019-04-29 2019-04-29 Coil circular principle weft-knitting textile electrode resistance theoretical model construction method Pending CN110148337A (en)

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CN110811614A (en) * 2019-12-04 2020-02-21 东华大学 Fabric sensing knitted intelligent garment process design and surface myoelectricity monitoring method
CN111308204A (en) * 2019-12-24 2020-06-19 东华大学 Fabric surface resistance test method and test fixture
CN111826794A (en) * 2020-07-15 2020-10-27 浙江理工大学 Construction method of plaited padding knitted fabric gram weight prediction model

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CN110811614A (en) * 2019-12-04 2020-02-21 东华大学 Fabric sensing knitted intelligent garment process design and surface myoelectricity monitoring method
CN111308204A (en) * 2019-12-24 2020-06-19 东华大学 Fabric surface resistance test method and test fixture
CN111826794A (en) * 2020-07-15 2020-10-27 浙江理工大学 Construction method of plaited padding knitted fabric gram weight prediction model
CN111826794B (en) * 2020-07-15 2022-03-25 浙江理工大学 Construction method of plaited padding knitted fabric gram weight prediction model

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