CN114441338B - Bending fastness testing equipment and method for conductive yarn with carbon nanotube coating - Google Patents
Bending fastness testing equipment and method for conductive yarn with carbon nanotube coating Download PDFInfo
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- CN114441338B CN114441338B CN202210085713.7A CN202210085713A CN114441338B CN 114441338 B CN114441338 B CN 114441338B CN 202210085713 A CN202210085713 A CN 202210085713A CN 114441338 B CN114441338 B CN 114441338B
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- 238000005452 bending Methods 0.000 title claims abstract description 114
- 238000012360 testing method Methods 0.000 title claims abstract description 50
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 239000002041 carbon nanotube Substances 0.000 title claims abstract description 37
- 229910021393 carbon nanotube Inorganic materials 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000011248 coating agent Substances 0.000 title claims description 29
- 238000000576 coating method Methods 0.000 title claims description 29
- 238000001514 detection method Methods 0.000 claims abstract description 44
- 238000012545 processing Methods 0.000 claims abstract description 14
- 238000004458 analytical method Methods 0.000 claims abstract description 6
- 238000005096 rolling process Methods 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 238000007619 statistical method Methods 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 6
- 238000004364 calculation method Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000010998 test method Methods 0.000 abstract description 2
- 238000009941 weaving Methods 0.000 abstract description 2
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/066—Special adaptations of indicating or recording means with electrical indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0023—Bending
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/028—One dimensional, e.g. filaments, wires, ropes or cables
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0617—Electrical or magnetic indicating, recording or sensing means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Treatment Of Fiber Materials (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention belongs to the technical field of test equipment, and particularly relates to a test equipment and a test method for bending fastness of a carbon nanotube coated conductive yarn. The test equipment comprises an unreeling unit, a yarn bending unit, a reeling unit, an online detection unit, a data processing unit and a display unit; according to the invention, the conductive yarn sequentially passes through three parts of the yarn bending unit, namely 3-7 90-degree bending yarn guides, 2-4S-shaped line arranged friction braking tensioners and 5-9 90-degree bending yarn guides, so that the yarn bending form is fixed, two channels of bending and non-bending are realized according to the threading line selection difference, the tension of the friction braking tensioners is changed, and the difference of friction degrees of different weaving and yarn guiding devices in the yarn high-speed operation and bending process can be simulated, thereby being in line with actual production. The real-time synchronous data detection and analysis of the resistor on-line detection unit and the length on-line detection unit enable the invention to be simple to operate, avoid human errors and have better repeatability.
Description
Technical Field
The invention belongs to the technical field of test equipment, and particularly relates to a test equipment and a test method for bending fastness of a carbon nanotube coated conductive yarn.
Background
In recent years, with the vigorous development of technological innovation, new technology and new materials, the intelligent textile product is a brand new research and development field integrating the basic subjects of traditional textile technology, artificial intelligence, physical chemistry and the like. The carbon nanotube coated conductive yarn is used as a novel functional yarn, and is obtained by coating nylon yarn by a carbon nanotube with high-efficiency far infrared emission. Far infrared rays with the wavelength of 5.6-15 mu m are overlapped with the wavelength (8-14 mu m) emitted by a human body, so that the far infrared rays can play roles in improving the blood circulation of the human body and promoting metabolism, and meet the consumption requirements of health and health care.
However, in the prior art, the method for testing the bending fastness of the conductive performance of the conductive yarn with the carbon nano tube coating has no standard in the weaving and using processes, and severely restricts the research and development of the conductive yarn with the carbon nano tube coating and the speed of iterative upgrading.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a bending fastness testing device and a bending fastness testing method for a carbon nanotube coating conductive yarn.
In order to achieve the above purpose, the invention adopts the following technical scheme:
The invention aims at disclosing a device for testing bending fastness of conductive yarns of a carbon nano tube coating, which comprises an unreeling unit, a yarn bending unit, a reeling unit, an online detection unit, a data processing unit and a display unit; the unreeling unit, the yarn bending unit and the reeling unit are sequentially arranged along the running direction of the yarn;
The unreeling unit is used for placing the yarn to be tested and unreeling the yarn to be tested;
The yarn bending unit can bend yarns to different degrees according to requirements;
the winding unit is used for winding the tested yarns;
The online detection unit comprises a resistance online detection unit and a length online detection unit, wherein the resistance online detection unit is used for testing real-time resistance in the yarn running process, and the length online detection unit is used for measuring the running length of the yarn;
The data processing unit is used for carrying out data statistics analysis on real-time resistance and length data of the resistance online detection unit and the length online detection unit;
the display unit is used for displaying the data statistical analysis result of the data processing unit.
Preferably, the yarn bending unit comprises a yarn guide device and a friction braking type tensioner which can form 90-degree bending for a plurality of times, and according to different selected threading routes, the yarn bending unit can realize two channels of bending and non-bending.
Preferably, the yarn bending unit comprises 3-7 90-degree bending wire guides, 2-4 friction braking tensioners and 5-9 90-degree bending wire guides which are sequentially arranged along the running direction of the yarn.
Preferably, when the bending fastness of the conductive yarn with the carbon nano tube coating is tested, the yarn can be selected to different bending degrees according to different selected threading routes.
Preferably, the bending fastness testing equipment for the conductive yarn of the carbon nanotube coating further comprises a speed and tension adjustment control unit, and the speed and tension adjustment control unit detects, adjusts and controls the running speeds and the yarn tension of the unreeling unit, the yarn bending unit and the reeling unit.
Preferably, the resistance online detection unit is composed of two groups of reverse copper guide wheels fixed at 50cm intervals, and is used for rolling yarns passing through the reverse copper guide wheels to form tight contact between the yarns and the guide wheels, and meanwhile, the resistance online detection unit can adjust resistance test interval time according to yarn running speed to realize sequential continuous test of the resistance of each 50cm conductive yarn. And transmitting the resistance test result of the conductive yarn between the 50cm copper guide wheels to a data processing unit for statistical analysis, and displaying the result in a result display unit.
The second purpose of the invention is to disclose a method for testing the bending fastness of the conductive yarn with the carbon nano tube coating, which is carried out by using the equipment, and comprises the following steps:
(1) Setting the yarn tension of the speed and tension adjustment control unit to be 0, and setting the speed to be 50-500m/min.
(2) The yarn to be measured is placed in an unreeling unit, is rolled in a rolling unit after passing through a bending channel of a tension-free yarn bending unit, and an average online resistance R 1 and a yarn length L 1 are recorded;
(3) Resetting the yarn tension of the speed and tension adjustment control unit to 2-100cN, wherein the speed is the same as that of the step (1);
(4) The yarns are placed in an unreeling unit again, pass through a bending channel of a yarn bending unit according to set tension and speed, and then are rolled in a rolling unit, and average online resistance R 2 and yarn length L 2 are recorded;
(5) The calculation steps for representing the bending fastness of the conductive yarn of the carbon nano tube coating are as follows:
average on-line resistance change value=r 2-R1
Preferably, in the running process of the step (2) and the step (4), the speed and tension adjustment control unit feeds back the yarn tension and speed data detected in real time to the unreeling unit and the reeling unit, and the yarn running speed of the reeling and unreeling unit is adjusted in real time, so that the stability of the tension and the speed is realized.
Preferably, in the step (4), the yarn may be selected to have different bending degrees according to different threading routes selected in the bending passage.
Advantageous effects
The invention discloses a bending fastness testing device and a bending fastness testing method for conductive yarns of a carbon nanotube coating. Meanwhile, the real-time synchronous data detection and analysis of the resistor on-line detection unit and the length on-line detection unit enable the method to be simple to operate, personal errors are avoided, and repeatability is good. The invention comprehensively characterizes the bending fastness of the conductive yarn of the carbon nano tube coating according to the resistance change value and the yarn elongation of the two tests, and simultaneously has simple operation and accords with actual production.
Drawings
FIG. 1 is a schematic structural view of an apparatus for testing bending fastness of conductive yarns according to embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of an apparatus for testing bending fastness of conductive yarns according to embodiment 1 of the present invention.
Detailed Description
Hereinafter, the present invention will be described in detail. Before the description, it is to be understood that the terms used in this specification and the appended claims should not be construed as limited to general and dictionary meanings, but interpreted based on the meanings and concepts corresponding to technical aspects of the present invention on the basis of the principle that the inventor is allowed to define terms appropriately for the best explanation. Accordingly, the description set forth herein is merely a preferred example for the purpose of illustration and is not intended to limit the scope of the invention, so that it should be understood that other equivalents or modifications may be made thereto without departing from the spirit and scope of the invention.
The following examples are merely illustrative of embodiments of the present invention and are not intended to limit the invention in any way, and those skilled in the art will appreciate that modifications may be made without departing from the spirit and scope of the invention. Unless otherwise specified, reagents and equipment used in the following examples are commercially available products.
Example 1
The bending fastness testing equipment for the conductive yarn of the carbon nanotube coating comprises an unreeling unit 1, a yarn bending unit 2 and a reeling unit 3 as shown in fig. 1; the carbon nanotube coating conductive yarn bending fastness testing equipment further comprises a resistance online detection unit 4 for testing real-time resistance in the yarn running process and a length online detection unit 5 for measuring the running length of the yarn. In the process of testing the bending fastness of the conductive yarn with the carbon nanotube coating, the resistance online detection unit and the length online detection unit transmit the tested real-time resistance and length data to the data processing unit for data statistics analysis, and then display the data on the result display unit.
The unreeling unit 1, the yarn bending unit 2, the resistance online detection unit 4, the length online detection unit 5 and the reeling unit 3 are sequentially arranged along the running direction of the yarn.
The yarn bending unit in the embodiment is formed by sequentially arranging three partial areas of 3 90-degree bending yarn guides, 2 friction braking tensioners arranged in an S-shaped route and 5 90-degree bending yarn guides along the yarn running direction. In the process of testing the bending fastness of the conductive yarn of the carbon nano tube coating, two channels of bending and non-bending can be realized according to different selected threading routes.
The yarn bending fastness testing equipment in the embodiment further comprises a speed and tension adjustment control unit for detecting the running speeds of the unreeling unit 1, the yarn bending unit 2 and the reeling unit 3 and the yarn tension.
The resistance online detection unit consists of two groups of reverse copper guide wheels fixed at 50cm intervals and is used for rolling yarns passing through the reverse copper guide wheels to form tight contact between the yarns and the guide wheels, and meanwhile, the resistance online detection unit can adjust resistance test interval time according to the running speed of the yarns so as to realize sequential continuous test of the resistance of each 50cm conductive yarn. And after the resistance test result of the conductive yarn between the 50cm copper guide wheels is transmitted to the data processing unit 6 for statistical analysis, the result is displayed in the result display unit 7.
The method for testing the bending fastness of the conductive yarn with the carbon nanotube coating in the embodiment comprises the following steps:
(1) The yarn tension of the speed and tension adjustment control unit was set to "0" and the speed was 120m/min.
(2) The yarn to be measured is placed in an unreeling unit, is rolled in a rolling unit after passing through a bending channel of a tension-free yarn bending unit, and an average online resistance R 1 and a yarn length L 1 are recorded;
(3) Resetting the yarn tension of the speed and tension adjustment control unit to 20cN, wherein the speed is the same as that of the step (1);
(4) The yarns are placed in an unreeling unit again, pass through a bending channel of a yarn bending unit according to set tension and speed, and then are rolled in a rolling unit, and average online resistance R 2 and yarn length L 2 are recorded;
(5) The calculation steps for representing the bending fastness of the conductive yarn of the carbon nano tube coating are as follows:
average on-line resistance change value=r 2-R1
In the running process of the steps (2) and (4), the speed and tension adjustment control unit feeds back the yarn tension and speed data detected in real time to the unreeling unit 1 and the reeling unit 3, and the yarn running speed of the reeling and unreeling unit is adjusted in real time, so that the stability of the tension and the speed is realized.
Example 2
The bending fastness testing equipment for the conductive yarn of the carbon nano tube coating comprises an unreeling unit, a yarn bending unit, a reeling unit, an online detection unit, a data processing unit and a display unit, as shown in fig. 2; the unreeling unit, the yarn bending unit and the reeling unit are sequentially arranged along the running direction of the yarn;
The unreeling unit is used for placing the yarn to be tested and unreeling the yarn to be tested;
The yarn bending unit can bend yarns to different degrees according to requirements;
the winding unit is used for winding the tested yarns;
The online detection unit comprises a resistance online detection unit and a length online detection unit, wherein the resistance online detection unit is used for testing real-time resistance in the yarn running process, and the length online detection unit is used for measuring the running length of the yarn;
The data processing unit is used for carrying out data statistics analysis on real-time resistance and length data of the resistance online detection unit and the length online detection unit;
the display unit is used for displaying the data statistical analysis result of the data processing unit.
The yarn bending unit comprises a yarn guide device and a friction braking type tensioner which can form 90-degree bending for many times, and can realize two channels of bending and non-bending according to different selected threading routes.
The yarn bending unit comprises 3-7 90-degree bending wire guides, 2-4 friction braking tensioners and 5-9 90-degree bending wire guides which are sequentially arranged along the running direction of the yarn.
When the bending fastness of the conductive yarn of the carbon nano tube coating is tested, the yarn can be selected to different bending degrees according to different threading routes.
The device for testing the bending fastness of the conductive yarn of the carbon nanotube coating further comprises a speed and tension adjustment control unit, wherein the speed and tension adjustment control unit detects, adjusts and controls the running speeds and the yarn tension of the unreeling unit, the yarn bending unit and the reeling unit.
The resistance online detection unit consists of two groups of reverse copper guide wheels fixed at 50cm intervals and is used for rolling yarns passing through the reverse copper guide wheels to form tight contact between the yarns and the guide wheels, and meanwhile, the resistance online detection unit can adjust resistance test interval time according to yarn running speed to realize sequential continuous test of the resistance of each 50cm conductive yarn. And transmitting the resistance test result of the conductive yarn between the 50cm copper guide wheels to a data processing unit for statistical analysis, and displaying the result in a result display unit.
The method for testing the bending fastness of the conductive yarn of the carbon nano tube coating comprises the following steps of:
(1) Setting the yarn tension of the speed and tension adjustment control unit to be 0, and setting the speed to be 50-500m/min.
(2) The yarn to be measured is placed in an unreeling unit, is rolled in a rolling unit after passing through a bending channel of a tension-free yarn bending unit, and an average online resistance R 1 and a yarn length L 1 are recorded;
(3) Resetting the yarn tension of the speed and tension adjustment control unit to 2-100cN, wherein the speed is the same as that of the step (1);
(4) The yarns are placed in an unreeling unit again, pass through a bending channel of a yarn bending unit according to set tension and speed, and then are rolled in a rolling unit, and average online resistance R 2 and yarn length L 2 are recorded;
(5) The calculation steps for representing the bending fastness of the conductive yarn of the carbon nano tube coating are as follows:
average on-line resistance change value=r 2-R1
In the running process of the step (2) and the step (4), the speed and tension adjustment control unit feeds back yarn tension and speed data detected in real time to the unreeling unit and the reeling unit, and the yarn running speed of the reeling and unreeling unit is adjusted in real time, so that the stability of the tension and the speed is realized.
In the step (4), the yarns can be selected to have different bending degrees according to different threading routes selected in the bending channels.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (8)
1. The device for testing the bending fastness of the conductive yarn of the carbon nano tube coating is characterized by comprising an unreeling unit, a yarn bending unit, a reeling unit, an online detection unit, a data processing unit and a display unit; the unreeling unit, the yarn bending unit and the reeling unit are sequentially arranged along the running direction of the yarn;
The unreeling unit is used for placing the yarn to be tested and unreeling the yarn to be tested;
The yarn bending unit can bend yarns to different degrees according to requirements;
the winding unit is used for winding the tested yarns;
The online detection unit comprises a resistance online detection unit and a length online detection unit, wherein the resistance online detection unit is used for testing real-time resistance in the yarn running process, and the length online detection unit is used for measuring the running length of the yarn;
The data processing unit is used for carrying out data statistics analysis on real-time resistance and length data of the resistance online detection unit and the length online detection unit;
The display unit is used for displaying the data statistical analysis result of the data processing unit;
The yarn bending unit comprises a yarn guide device and a friction braking type tensioner which can form multiple 90-degree bending, and can realize two channels of bending and non-bending according to different selected threading routes;
the yarn bending unit comprises 3-7 90-degree bending wire guides, 2-4 friction braking tensioners and 5-9 90-degree bending wire guides which are sequentially arranged along the running direction of the yarn.
2. The bending fastness testing device for the carbon nanotube coated conductive yarn according to claim 1, wherein when the bending fastness of the carbon nanotube coated conductive yarn is tested, the yarn can be selected to different bending degrees according to different threading routes.
3. The apparatus for testing the bending fastness of the conductive yarn with the carbon nanotube coating according to claim 1 or 2, further comprising a speed and tension adjustment control unit, wherein the speed and tension adjustment control unit detects and adjusts and controls the running speeds and the yarn tension of the unreeling unit, the yarn bending unit and the reeling unit.
4. The bending fastness testing device for the carbon nanotube coated conductive yarn according to claim 3, wherein the resistance online detection unit comprises two groups of reverse copper guide wheels which are arranged at intervals of 50cm, and the resistance testing interval time can be adjusted according to the running speed of the yarn, so that the resistance of each 50cm conductive yarn can be continuously tested in sequence.
5. A method for testing bending fastness of a carbon nanotube coated conductive yarn, characterized in that the method is used for testing by using the equipment of claim 4.
6. The method for testing the bending fastness of the carbon nanotube coated conductive yarn according to claim 5, which is characterized by comprising the following steps:
(1) Setting the yarn tension of a speed and tension adjustment control unit to be 0, and setting the speed to be 50-500m/min;
(2) The yarn to be measured is placed in an unreeling unit, is rolled in a rolling unit after passing through a bending channel of a tension-free yarn bending unit, and an average online resistance R1 and a yarn length L1 are recorded;
(3) Resetting the yarn tension of the speed and tension adjustment control unit to 2-100cN, wherein the speed is the same as that of the step (1);
(4) The yarns are placed in an unreeling unit again, pass through a bending channel of a yarn bending unit according to set tension and speed, and then are rolled in a rolling unit, and average online resistance R2 and yarn length L2 are recorded;
(5) The calculation steps for representing the bending fastness of the conductive yarn of the carbon nano tube coating are as follows:
elongation of yarn
Average on-line resistance change value=r2—r1.
7. The method for testing the bending fastness of the conductive yarn with the carbon nanotube coating according to claim 6, wherein in the running process of the step (2) and the step (4), the speed and tension adjustment control unit feeds back the yarn tension and speed data detected in real time to the unreeling unit and the reeling unit, and adjusts the yarn running speed of the reeling and unreeling unit in real time.
8. The method for testing the bending fastness of the conductive yarn with the carbon nanotube coating according to claim 6, wherein in the step (4), the yarn can be selected to have different bending degrees according to different threading routes selected in the bending channel.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091772A (en) * | 2017-07-04 | 2017-08-25 | 青岛科技大学 | A kind of wear-resisting process experiment device of conductive fiber |
| JP2020051896A (en) * | 2018-09-27 | 2020-04-02 | セーレン株式会社 | Electrical resistance measuring device for conductive fiber yarn |
| CN112345347A (en) * | 2020-10-27 | 2021-02-09 | 南京玻璃纤维研究设计院有限公司 | Device and method for representing weavability of tows |
| CN212780267U (en) * | 2020-06-24 | 2021-03-23 | 泰州泰慧达科技信息咨询中心 | Yarn detection device |
| CN113607635A (en) * | 2021-08-06 | 2021-11-05 | 天津工业大学 | High-performance fiber weavability testing device and testing method |
-
2022
- 2022-01-25 CN CN202210085713.7A patent/CN114441338B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107091772A (en) * | 2017-07-04 | 2017-08-25 | 青岛科技大学 | A kind of wear-resisting process experiment device of conductive fiber |
| JP2020051896A (en) * | 2018-09-27 | 2020-04-02 | セーレン株式会社 | Electrical resistance measuring device for conductive fiber yarn |
| CN212780267U (en) * | 2020-06-24 | 2021-03-23 | 泰州泰慧达科技信息咨询中心 | Yarn detection device |
| CN112345347A (en) * | 2020-10-27 | 2021-02-09 | 南京玻璃纤维研究设计院有限公司 | Device and method for representing weavability of tows |
| CN113607635A (en) * | 2021-08-06 | 2021-11-05 | 天津工业大学 | High-performance fiber weavability testing device and testing method |
Non-Patent Citations (3)
| Title |
|---|
| Wearable strain sensors based on electrically conductive natural fiber yarns;Hamid Souri;《Materials & Design》;20181231;全文 * |
| 柔性传感纱线的制备及其性能研究;荣翔;《工程科技》;第33-36页 * |
| 聚乙烯醇对芳纶复合纱聚苯胺导电层耐久性影响;胡铖烨;《纺织学报》;20200415;全文 * |
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