CN104297061B - Device for determining and identifying tensile fracture mode of textile material - Google Patents
Device for determining and identifying tensile fracture mode of textile material Download PDFInfo
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- CN104297061B CN104297061B CN201410544838.7A CN201410544838A CN104297061B CN 104297061 B CN104297061 B CN 104297061B CN 201410544838 A CN201410544838 A CN 201410544838A CN 104297061 B CN104297061 B CN 104297061B
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- acoustic emission
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Abstract
The invention discloses a device for determining and identifying a tensile fracture mode of a textile material. The device comprises a sound emission probe assembly, a signal amplifier, a data acquisition card and a central processing unit, wherein the sound emission probe assembly comprises a sound emission sensor, an upper pressure bearing gasket, a lower pressure bearing gasket, a center penetrating shaft and a shaft sleeve; the sound emission sensor is connected with a force sensor of a universal tensile testing machine in series and is connected with the signal amplifier in series; the signal amplifier is connected with the data acquisition card in series; and the data acquisition card is connected with the central processing unit in series. The device is used for a tensile fracture test of the textile material so that basic mechanics indexes can be obtained, and facture sources under all fracture modes and corresponding acoustic characteristic amounts can be accurately identified; and theoretical foundations are provided for deeply researching a tensile fracture mechanism of the textile material, determining the extreme strength of the textile material and optimizing a manufacturing process of the textile material, and the device has a remarkable application value.
Description
Technical field
The present invention is to be related to a kind of device measuring with identification textile material tensile failure pattern, belongs to textile material test
Technical field.
Background technology
The tensile property of textile material is the important indicator weighing its physical and mechanical properties.Existing textile material stretching examination
Machine of testing is only to obtain the fundamental forces such as ultimate strength, extension at break from the stress-strain diagram of textile sample Tensile Fracture Process
Learn index, to during the various physical datas that presented of different failure modes have no way of learning, thus None- identified textile material
Failure mode, more cannot speculate according to this this textile material may potential mechanical property, lead to the optimization means of manufacturing process
Single, lack the theoretical foundation that related manufacturing process is optimized and revised.
Content of the invention
The problems referred to above existing for prior art, it is an object of the invention to provide a kind of mensure is drawn with identification textile material
Stretch the device of failure mode, accurately identify the signal characteristic of each pattern of textile material tensile failure by acoustic emission, conscientiously
Understand textile material microphysics characteristic of presenting when loading, be the excellent of the determination of material limits strength and its manufacturing process
Change and theoretical foundation is provided.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of device measuring with identification textile material tensile failure pattern, amplifies including acoustic emission probe assembly, signal
Device, data collecting card and central processing unit, described acoustic emission probe assembly include acoustic emission sensor, upper pressure-bearing pad, under
Pressure-bearing pad, punching axle and axle sleeve, described acoustic emission sensor is arranged between pressure-bearing pad and lower pressure-bearing pad, and on
Pressure-bearing pad, acoustic emission sensor and lower pressure-bearing pad are all set in punching axle, in the punching axle at upper pressure-bearing pad top
It is additionally provided with pretension nut；It is fixed with pretension nut, the punching axle of upper pressure-bearing pad, acoustic emission sensor and lower pressure-bearing pad is located
In axle sleeve；Described acoustic emission sensor is connected in series with the force transducer of universal tensile testing machine, and puts with signal simultaneously
Big device is connected in series, and described signal amplifier is connected in series with data collecting card, and described data collecting card is processed with central authorities
Device is connected in series.
Preferably, the top in axle sleeve is provided with the pin hole a for being fixedly connected with universal tensile testing machine,
The bottom of axle sleeve is provided with wire hole.
Preferably, the pin for being fixedly connected with universal tensile testing machine is provided with the punching axle pass axle sleeve
Nail b.
As further preferred scheme, described pin hole a and pin hole b sets on the same axis.
Preferably, described acoustic emission sensor selects pvdf piezoelectric film sensor.
The operation principle of device of the present invention is as follows:
Acoustic emission sensor and force transducer are carried out to the whole Tensile Fracture Process of Tensile textile material sample in real time
Signal sampling；Sampled signal, after signal amplifier amplification or pretreatment, is sent to data collecting card, carries out mould by data collecting card
It is transferred to central processing unit, central processing unit carries out spectrum analyses according to signal processing algorithm, thus obtaining each after number conversion
Destroy the acoustic featuress parameter in source under failure mode, know that the microphysics that Tensile textile material presents when loading is special
Property.
Compared with prior art, the invention has the following beneficial effects:
Device of the present invention is used in textile material tensile failure test, can not only be from sample Tensile Fracture Process
Obtain the basic mechanical indexs such as ultimate strength, extension at break in stress-strain diagram, and can accurately identify and know each
Destruction source under failure mode, comprising: frequency, intensity, time of origin and persistent period, can be for deeply grinding in interior acoustic featuress amount
Study carefully textile material tensile break mechanism, determine textile material limit strength and its manufacturing process offer theoretical foundation is provided, have
Significantly using value.
Brief description
Fig. 1 is the structural representation of the present invention a kind of mensure providing and the device identifying textile material tensile failure pattern
Figure；
A kind of cross-sectional view of acoustic emission probe assembly that Fig. 2 provides for the present invention；
A kind of stereochemical structure decomposing schematic representation of acoustic emission probe assembly that Fig. 3 provides for the present invention；
Fig. 4 is pure terylene ring spun yarn fabric tension fracture acoustic emission signal and the force signal gathering acquisition in application examples；
Fig. 5 is that in the terylene ring spun yarn tension failure acoustic emission signal gather in application examples acquisition, fibrous fracture signal is carried out
The two-dimentional time-frequency figure obtaining after spectrum analyses.
In figure: 1, acoustic emission probe assembly；11st, acoustic emission sensor；12nd, upper pressure-bearing pad；13rd, lower pressure-bearing pad；14、
Punching axle；15th, axle sleeve；16th, pretension nut；17th, pin hole a；18th, wire hole；19th, pin hole b；2nd, universal tensile testing machine；
21st, force transducer；22nd, test machine grip holder；3rd, test textile material sample；4th, signal amplifier；5th, data collecting card；6th, central authorities
Processor.
Specific embodiment
With reference to specific embodiments and the drawings, the present invention is expanded on further.
Embodiment
As shown in Figure 1 to Figure 3: a kind of mensure that the present invention provides and the device identifying textile material tensile failure pattern,
Including acoustic emission probe assembly 1, signal amplifier 4, data collecting card 5 and central processing unit 6, described acoustic emission probe group
Part 1 includes: acoustic emission sensor 11, upper pressure-bearing pad 12, lower pressure-bearing pad 13, punching axle 14 and axle sleeve 15, and described sound is sent out
Penetrate sensor 11 to be arranged between pressure-bearing pad 12 and lower pressure-bearing pad 13, and upper pressure-bearing pad 12, acoustic emission sensor 11
All it is set in punching axle 14 with lower pressure-bearing pad 13, the punching axle 14 at upper pressure-bearing pad 12 top is additionally provided with pretension nut
16；It is fixed with pretension nut 16, the punching axle 14 of upper pressure-bearing pad 12, acoustic emission sensor 11 and lower pressure-bearing pad 13 is seated in
In axle sleeve 15；Described acoustic emission sensor 11 is connected in series with the force transducer 21 of universal tensile testing machine 2, and simultaneously with letter
Number amplifier 4 is connected in series, and described signal amplifier 4 is connected in series with data collecting card 5, described data collecting card 5 with
Central processing unit 6 is connected in series.
It is provided with the pin hole a 17 for being fixedly connected with universal tensile testing machine 2 on the top of axle sleeve 15, passing axle
The punching axle 14 of set 15 is provided with pin hole b 19, described pin hole a 17 for being fixedly connected with universal tensile testing machine 2
Set on the same axis with pin hole b 19, so that axle sleeve 15 and punching axle 14 is fixed on by pin hole a 17 and pin hole b 19
On universal tensile testing machine 2.
It is additionally provided with wire hole 18 in the bottom of axle sleeve 15, for the extraction of connecting line.
The operation principle of device of the present invention is as follows:
Acoustic emission sensor 11 and force transducer 21 are carried out to the whole Tensile Fracture Process of Tensile textile material sample 3
Live signal is sampled；Sampled signal amplify through signal amplifier 4 or pretreatment after, be sent to data collecting card 5, by data collecting card
5 carry out analog digital conversion after be transferred to central processing unit 6, central processing unit 6 is carried out according to signal processing algorithm (such as: hht algorithm)
Spectrum analyses, thus obtaining destroying the acoustic featuress parameter in source under each failure mode, learn that Tensile textile material is loading
When the microphysics characteristic that presents.
The heretofore described preferred pvdf piezoelectric film sensor of acoustic emission sensor 1, because such sensor has height
Sensitivity, helps the signal characteristic accurately identifying each pattern of textile material tensile failure.
Application examples
Using apparatus of the present invention, drawing of pure terylene ring spun yarn fabric and terylene ring spun yarn is carried out on universal tensile testing machine
Stretch failure test: start universal tensile testing machine 2, the sampled signal of simultaneous data-collecting card 5 is triggered, acoustic emission sensor 11
Original force transducer 21 starts the whole Tensile Fracture Process to textile sample and detects with universal tensile testing machine, sampled signal
Signal amplifier 4 is transported to by signal transmission passage and carries out signal amplification, send again after data collecting card 5 analog-to-digital conversion process
To central processing unit 6, by hht algorithm, spectrum analyses are carried out to sampled signal through central processing unit 6.
Fig. 4 is the pure terylene ring spun yarn fabric tension fracture acoustic emission signal and force signal that collection obtains, and Fig. 5 obtains for collection
The two-dimentional time-frequency figure that in the terylene ring spun yarn tension failure acoustic emission signal obtaining, fibrous fracture signal obtains after carrying out spectrum analyses.
As seen from Figure 4, pure terylene ring spun yarn Tensile Fracture Process include structural phase transition, yarn deformation and yarn break
Split three kinds of failure modes, and can substantially make a distinction；As seen from Figure 5, in terylene ring spun yarn tension failure acoustic emission signal
The two-dimentional time-frequency figure of fibrous fracture signal quantitatively describes the variation relation of time and instantaneous frequency, also would know that fiber simultaneously
The time of origin starting to rupture is 0.0153s and 0.0156s, and fibrous fracture persistent period 0.1ms.
And existing textile material cupping machine is only to obtain from the stress-strain diagram of sample Tensile Fracture Process
Take the basic mechanical index such as ultimate strength, extension at break, to during the above-mentioned physical characteristics that presented of different failure modes no
From learning.
Visible in sum: real-time detection can be carried out to whole Tensile Fracture Process using apparatus of the present invention, can not only be from
The basic mechanical indexs such as ultimate strength, extension at break, Er Qieneng is obtained in the stress-strain diagram of sample Tensile Fracture Process
The destruction source accurately identifying and knowing under each failure mode, comprising: frequency, intensity, time of origin and persistent period are in interior sound
Learn characteristic quantity, can be for furtheing investigate textile material tensile break mechanism, determining textile material limit strength and optimizing its manufacture work
Skill provides theoretical foundation, has significant using value.
Finally be necessary described herein be: above example is served only for technical scheme is made detailed further
It is impossible to be interpreted as limiting the scope of the invention, those skilled in the art is according to the above of the present invention for ground explanation
Some the nonessential improvement made and adjustment belong to protection scope of the present invention.
Claims (3)
1. a kind of measure with identification textile material tensile failure pattern device, including acoustic emission probe assembly, signal amplifier,
Data collecting card and central processing unit it is characterised in that: described acoustic emission probe assembly includes acoustic emission sensor, upper pressure-bearing
Pad, lower pressure-bearing pad, punching axle and axle sleeve, described acoustic emission sensor be arranged on pressure-bearing pad and lower pressure-bearing pad it
Between, and upper pressure-bearing pad, acoustic emission sensor and lower pressure-bearing pad be all set in punching axle, in wearing of upper pressure-bearing pad top
Pretension nut is additionally provided with heart axle；It is fixed with pretension nut, the punching of upper pressure-bearing pad, acoustic emission sensor and lower pressure-bearing pad
Axle is seated in axle sleeve；Described acoustic emission sensor is connected in series with the force transducer of universal tensile testing machine, and simultaneously with
Signal amplifier is connected in series, and described signal amplifier is connected in series with data collecting card, described data collecting card with
Central processor is connected in series；
It is provided with the pin hole a for being fixedly connected with universal tensile testing machine on the top of described axle sleeve；
Pin hole b for being fixedly connected with universal tensile testing machine is provided with the punching axle pass axle sleeve；
And, described pin hole a and pin hole b sets on the same axis.
2. device as claimed in claim 1 it is characterised in that: be provided with wire hole in the bottom of described axle sleeve.
3. device as claimed in claim 1 it is characterised in that: described acoustic emission sensor select pvdf piezoelectric membrane sense
Device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410544838.7A CN104297061B (en) | 2014-10-15 | 2014-10-15 | Device for determining and identifying tensile fracture mode of textile material |
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| CN201410544838.7A CN104297061B (en) | 2014-10-15 | 2014-10-15 | Device for determining and identifying tensile fracture mode of textile material |
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| CN104297061A CN104297061A (en) | 2015-01-21 |
| CN104297061B true CN104297061B (en) | 2017-01-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106596310B (en) * | 2016-11-18 | 2019-11-12 | 上海工程技术大学 | It is a kind of for analyzing the test macro of mating material frictional behaviour |
| CN109580353A (en) * | 2018-12-21 | 2019-04-05 | 东华大学 | One kind is for fibre bundle tension failure single-point type electroacoustic measurement apparatus and method and purposes |
| CN110879172A (en) * | 2019-08-14 | 2020-03-13 | 河南工程学院 | Suspensible test method for knitted portrait and landscape artistic calligraphy and painting product |
| CN111751489B (en) * | 2020-08-03 | 2022-04-15 | 中国计量大学 | Device and method for testing flame retardant property of nano post-treated textile |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102033108A (en) * | 2010-11-11 | 2011-04-27 | 江苏大学 | Method for extracting state discrimination characteristic parameter of metal drawing piece |
| CN102109498A (en) * | 2009-12-28 | 2011-06-29 | 天津工业大学 | Nondestructive testing system and testing analysis method for three-dimensional braided composite material |
| CN102353590A (en) * | 2011-07-13 | 2012-02-15 | 中国矿业大学 | Test method and device for monitoring steel wire fretting fatigue state |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100804234B1 (en) * | 2001-12-21 | 2008-02-18 | 재단법인 포항산업과학연구원 | The Device of Tensile Test for The Detection of Acoustic Emission |
| JP5428951B2 (en) * | 2009-03-10 | 2014-02-26 | 株式会社村田製作所 | Breaking strength measuring device and breaking strength measuring method |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102109498A (en) * | 2009-12-28 | 2011-06-29 | 天津工业大学 | Nondestructive testing system and testing analysis method for three-dimensional braided composite material |
| CN102033108A (en) * | 2010-11-11 | 2011-04-27 | 江苏大学 | Method for extracting state discrimination characteristic parameter of metal drawing piece |
| CN102353590A (en) * | 2011-07-13 | 2012-02-15 | 中国矿业大学 | Test method and device for monitoring steel wire fretting fatigue state |
Non-Patent Citations (1)
| Title |
|---|
| 声发射技术在三维编织复合材料性能测试中的应用;贡丽英;《中国优秀硕博士学位论文全文数据库（硕士） 信息科技辑》;20060815;第9-26页第2章 * |
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