CN109975361A - A kind of weaved cotton cloth material water absorption rate intelligent device for measuring and measurement method - Google Patents

A kind of weaved cotton cloth material water absorption rate intelligent device for measuring and measurement method Download PDF

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Publication number
CN109975361A
CN109975361A CN201711442846.0A CN201711442846A CN109975361A CN 109975361 A CN109975361 A CN 109975361A CN 201711442846 A CN201711442846 A CN 201711442846A CN 109975361 A CN109975361 A CN 109975361A
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cloth material
cotton cloth
absorption rate
weaved cotton
water absorption
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CN201711442846.0A
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熊铁军
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Southwestern Institute of Physics
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Southwestern Institute of Physics
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/041Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
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  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

The invention belongs to measuring device and measurement methods, and in particular to a kind of weaved cotton cloth material water absorption rate intelligent device for measuring and measurement method.It includes main support, main support includes vertical part and horizontal part, scale is arranged in the vertical part of main support, the top of main support vertical portion is arranged in the part of main support level, fixed device is arranged in the part of main support level, the fixation device is for fixing weaved cotton cloth material test product, main support is fixedly mounted on bracket base, water storage beaker is set on bracket base, the position of water storage beaker is arranged in below the fixation device of main support, the measuring device further includes electrode, the electrode and water absorption rate measuring instrument, the measuring device further includes weight, the weight is hung below weaved cotton cloth material test product, for keeping weaved cotton cloth material test product straight.The effect of the application is: simple to operate, measurement parameter shows the advantages that rapid, direct.

Description

A kind of weaved cotton cloth material water absorption rate intelligent device for measuring and measurement method
Technical field
The invention belongs to measuring device and measurement methods, and in particular to a kind of weaved cotton cloth material water absorption rate intelligent device for measuring And measurement method.
Background technique
Be frequently necessary to when being detected to certain daily necessities to certain weaved cotton cloth material to the absorption speed of liquid or water, The infiltration performances such as speed are judged, so as to grasp weaved cotton cloth material correlated performance superiority and inferiority.Ideal weaved cotton cloth material and its day Articles should be good permeability, good water absorption, be easy to perspire, is comfortable and easy to wear, and this requires weaved cotton cloth material good water absorption rate, And water absorption rate is one of weaved cotton cloth material important performance indexes, therefore is production to the detection of the water absorption rate of weaved cotton cloth material and new Important link when product development.The measurement of the water absorption rate of weaved cotton cloth material before is by human eye control, manual time-keeping, hand What the mode of notes record carried out, the water absorption rate of weaved cotton cloth material is then calculated by manpower, when due to manual time-keeping, calculating, The skilled operation degree and reaction speed of different survey crews is all different, and causes its error of measured data big, and data precision is difficult To guarantee, the experience and eyesight of the precision and people of estimating reading data have much relations, or even there are also " human errors " to occur sometimes, Human factor is more, and it is related to measure experience with people.
Summary of the invention
The application in view of the drawbacks of the prior art, provides a kind of weaved cotton cloth material water absorption rate intelligent device for measuring and measurement side Method.
The application is achieved in that a kind of weaved cotton cloth material water absorption rate intelligent device for measuring, including main support, main support packet Vertical part and horizontal part are included, scale is arranged in the vertical part of main support, and the part of main support level is arranged in main branch Fixed device is arranged in the top of frame vertical portion, the part of main support level, which is used to fix weaved cotton cloth material test product, Main support is fixedly mounted on bracket base, and water storage beaker is arranged on bracket base, and the position of water storage beaker is arranged in main support Fixation device below, which further includes electrode, the electrode and water absorption rate measuring instrument, which further includes weight Object, which hangs below weaved cotton cloth material test product, for keeping weaved cotton cloth material test product straight.
A kind of weaved cotton cloth material water absorption rate intelligent device for measuring as described above, wherein the weight of the weight is 2 grams.
A kind of weaved cotton cloth material water absorption rate intelligent device for measuring as described above, wherein there are three the electrode is total, each Electrode connects a probe, and each probe is connect with weaved cotton cloth material test product.
A kind of weaved cotton cloth material water absorption rate intelligent device for measuring as described above, wherein the weaved cotton cloth material test product width is 3cm, length 25cm to 35cm.
A kind of weaved cotton cloth material water absorption rate intelligent device for measuring as described above, wherein conduction liquid is set in water storage beaker, The conduction liquid is physiological saline or drinking mineral water.
A kind of weaved cotton cloth material water absorption rate intelligent measurement method, comprising the following steps:
Step 1: the weaved cotton cloth material test product of 3cm wide is fixed on the retention bar of main support, under weaved cotton cloth material test product Side hangs 2 grammes per square metre objects, and to guarantee the straight of weaved cotton cloth material test product, weaved cotton cloth material test product is adjusted to one rationally by fixed screw Height,
Step 2: three probes are fixed on weaved cotton cloth material test product, it is subject to scale, three probe 1cm apart, Three probes are corresponding with three electrodes to be connected, three fixed bit phases of the other end and water absorption rate intelligent measuring apparatus of three electrodes Even, the voltage of three probes is+9V, safe voltage,
Step 3: open water absorption rate intelligent measuring apparatus power supply, power supply indicator is bright, open reset button allow instrument intelligently be System initialization, instrument system are in preparation state;
Step 4: water storage beaker to be placed in the lower section of weaved cotton cloth material test product, 2 grammes per square metre objects and weaved cotton cloth material test product are put into storage In water beaker, position is vertical, injects conduction liquid, and conduction liquid pays attention to observation, at this point, conduction liquid starts to permeate away from C probe 1cm It is mobile, C probe is reached after a certain period of time, and C probe is " public pole ", and conduction liquid continues to move to, and reaches B probe, B after a certain period of time Probe is " beginning ", and the first indicator light extinguishes on instrument, and water absorption rate Intelligent Instrument starts the water absorption rate that converts, and is visited when conduction liquid reaches A Needle, when A probe " stopping ", the second indicator light extinguishes on instrument, and the water absorption rate measurement of weaved cotton cloth material test product terminates, and shows that cotton is knitted The water suction rate score of cloth test product, records the rate score that absorbs water, and water absorption rate intelligent measuring apparatus is in preparation state;
Step 5: after weaved cotton cloth material test product water absorption rate measures, firstly, turn off the power supply of water absorption rate intelligent measuring apparatus, Three probes and three electrodes on weaved cotton cloth material test product are removed, secondly, weaved cotton cloth material test product is removed from main support, water storage Beaker is removed, and measurement terminates.
The effect of the application is: 1. this measuring device passes through process of osmosis of the conduction liquid in cotton fabric, the electricity of cotton fabric Resistance changes, and converts and directly obtain the water absorption rate of cotton fabric through water absorption rate Intelligent Instrument, and structure is simple;2. this measuring device Display water suction rate score unit is 10‐2Mm/s, present apparatus measurement method have simple to operate, measurement parameter show it is rapid, The advantages that direct, avoids influence of the human factor to cotton fabric water absorption rate.
Detailed description of the invention
Fig. 1 is the apparatus structure schematic diagram of the application,
Fig. 2 is the hardware circuit block diagram of the water absorption rate intelligent measuring apparatus of the application,
Fig. 3 is the software program block diagram of the water absorption rate intelligent measuring apparatus of the application,
Fig. 4 is the water absorption rate intelligent measuring apparatus power circuit diagram of the application,
Fig. 5 is the water absorption rate intelligent measuring apparatus signal acquisition circuit figure of the application,
Fig. 6 is the water absorption rate intelligent measuring apparatus signal single chip machine controlling circuit figure of the application.
In figure: 1. main supports, 2. scales, 3. electrodes, 4. weights, 5. water absorption rate measuring instruments, 6. bracket bases, 7. water storages are burnt Cup, 8. probes, 9. weaved cotton cloth material test products.
Specific embodiment
Invention is described in further detail below in conjunction with figure embodiment.
If Fig. 1 is the device of the invention structural schematic diagram, appended drawing reference therein are as follows: 1- main support, 2- scale, 3- electricity Pole, 4- weight, 5- water absorption rate measuring instrument, 6- pedestal, 7- beaker, 8- probe, 9- cotton fabric test product.
As shown in Figure 1, a kind of cotton fabric water absorption rate intelligent device for measuring of the invention, includes to hang on main support 1 Cotton fabric test product 9 has 2 to 3 grammes per square metre objects 4 below cotton fabric test product 9, to guarantee the vertical of cotton fabric test product 9, by three probes 8 It is separately fixed on cotton fabric test product 9,1cm apart, probe 8 is corresponding with electrode 3 to be connected, and cotton fabric test product 9 is put into storage In water beaker 7, cotton fabric test product 9 will be disposed vertically, and saline injection or drinking mineral water are in water storage beaker 7, to guarantee The water surface opens 5 power supply of water absorption rate intelligent measuring apparatus away from C probe 1cm, starting 5 system of Intelligent Instrument is resetted, at this point, conduction liquid Start infiltration movement, through after a certain period of time, reaching B probe " beginning ", water absorption rate Intelligent Instrument 5 is started to work, and calculates cotton fabric The water absorption rate of test product 9, when reaching A probe " stopping ", water absorption rate intelligent measuring apparatus 5 stops calculating, output water suction rate score knot Fruit, water absorption rate Intelligent Instrument 5 are waited for.
In embodiment, the width of cotton fabric test product is 3cm, length 25cm to 35cm.
In embodiment, conduction liquid is physiological saline or drinking mineral water.
In embodiment, the operating voltage of three probes is+9V, is safe voltage, three probes phase corresponding with three electrodes Even, probe material is stainless pin.
In embodiment, water absorption rate intelligent measuring apparatus show value has 3, unit 10‐2mm/s.
In embodiment, cotton fabric test product can be underwear cloth material, sports cloth, towel suiting etc..
In embodiment, water storage beaker is 500ml, there is the experiment beaker of volume scale, and material is glass.
In embodiment, three electrodes are for connecting three corresponding probes and water absorption rate intelligent measuring apparatus.
In embodiment, main support is for hanging cotton fabric test product.
A kind of measurement method using measuring device measurement cotton fabric water absorption rate, comprising the following steps:
Step 1: the cotton fabric test product 9 of 3cm wide is fixed on the retention bar of main support 1, under cotton fabric test product 9 Side hangs 2 to 3 grammes per square metre objects 4, and cotton fabric test product 9 is adjusted to a reasonable height by fixed screw;
Step 2: three probes 8 are fixed on cotton fabric test product 9, it is subject to scale 2, three probes 8 are apart 1cm, three probes 8 are corresponding with three electrodes 3 to be connected, and the other end of three electrodes 3 and three of water absorption rate intelligent measuring apparatus 5 consolidate Positioning is connected;
Step 3: the cotton fabric test product 9 for being hung with 2 to 3 grammes per square metre objects is placed in beaker 7, position is vertical;
Step 4: opening water absorption rate intelligent measuring apparatus 5, power supply indicator is bright, opens reset button and allows instrument intelligence system Initialization, instrument system are in preparation state;
Step 5: physiological saline or drinking mineral water are poured slowly into beaker, stop adding water when the water surface is away from C probe 1cm, At this point, conduction liquid starts infiltration movement, C probe " public pole " is reached after a certain period of time, conduction liquid continues to move to, after a certain period of time B electrode is reached, intelligent measuring apparatus 5 enters " beginning " state, is t1 between clocking, the first indicator light extinguishes on instrument, water absorption rate intelligence Energy instrument 5 starts the water absorption rate that converts, and when conduction liquid reaches A electrode, intelligent measuring apparatus 5 is in " stopping " state, is t2 between clocking, The second indicator light extinguishes on instrument, and the water absorption rate measurement of cotton fabric test product 9 terminates, and shows the water absorption rate number of cotton fabric test product 9 Value, records the rate score that absorbs water, water absorption rate intelligent measuring apparatus 5 is in preparation state;
Step 6: after 9 water absorption rate of cotton fabric test product measures, firstly, turn off the power supply of water absorption rate intelligent measuring apparatus 5, Three probes 8 removed on cotton fabric test product 9 remove water storage beaker 7 secondly, removing cotton fabric test product 9 from main support 1, Measurement terminates.
According to step 5, cotton fabric water absorption rate relational expression can be obtained:
K=1000/ (t2-t1) ... (1)
Wherein: K is the water absorption rate of cotton fabric, and unit is 10‐2Mm/s, t1 are the water absorption rate apparatus measures time started, and t2 is Water absorption rate apparatus measures dwell time.
Above-mentioned measurement method is easy to operate, avoid it is random caused by artificial judgement, reduce manually calculate it is numerous Trivial process substantially increases the accuracy of measurement, reduces measurement error, and the cotton fabric water absorption rate measured by this method is accurate Degree is high, data intuitive display (water suction rate score is completed by the C programmer operation in intelligence instrument).
A kind of weaved cotton cloth material water absorption rate intelligent device for measuring of the invention, the main support including having scale, is fixed on master Position Scale on bracket can move up and down by set screw, and three electrode catheters of water absorption rate intelligent measuring apparatus are solid respectively It is scheduled on weaved cotton cloth material test product, three electrode catheters are at a distance of 1cm, at one 2 grams of underhung of weaved cotton cloth material test product (3cm wide) Weight, to guarantee the smooth of weaved cotton cloth material test product;(generally physiological saline or mine is drunk equipped with conducting solution in water storage beaker Spring), the weaved cotton cloth material test product for fixing electrode is placed in conduction liquid, C electrode catheter is away from liquid level 1cm;It, will when starting measurement Intelligent water absorption meter is opened and resets instrument system, and conduction liquid moves rapidly along cotton fabric direction, conductive when reaching C probe Liquid and C probe equipotential, conduction liquid continue to move to, and B probe are reached after a certain time, at this point, water absorption rate Intelligent Instrument starts to change Water absorption rate is calculated, and conduction liquid continues to move to, until A probe, so far water absorption rate Intelligent Instrument stops converting and shows weaved cotton cloth material The water absorption rate of test product.

Claims (6)

1. a kind of weaved cotton cloth material water absorption rate intelligent device for measuring, it is characterised in that: including main support (1), main support (1) includes perpendicular Scale (2) are arranged in straight part and horizontal part, the vertical part of main support (1), and the part setting of main support (1) level exists Fixed device is arranged in the top of main support (1) vertical portion, the part of main support (1) level, and the fixation device is for fixing cotton Woven fabric material test product (9), main support (1) are fixedly mounted on bracket base (6), and water storage beaker (7) are arranged on bracket base (6), Below the fixation device of main support (1), which further includes electrode (3), the electrode for the position setting of water storage beaker (7) (3) with water absorption rate measuring instrument (5), which further includes weight (4), which hangs under weaved cotton cloth material test product (9) Side, for keeping weaved cotton cloth material test product (9) straight.
2. a kind of weaved cotton cloth material water absorption rate intelligent device for measuring as described in claim 1, it is characterised in that: the weight (4) weight is 2 grams.
3. a kind of weaved cotton cloth material water absorption rate intelligent device for measuring as claimed in claim 2, it is characterised in that: the electrode (3) there are three altogether, each electrode (3) connects a probe (8), and each probe (8) connect with weaved cotton cloth material test product (9).
4. a kind of weaved cotton cloth material water absorption rate intelligent device for measuring as claimed in claim 3, it is characterised in that: the weaved cotton cloth material Test product (9) width is 3cm, length 25cm to 35cm.
5. a kind of weaved cotton cloth material water absorption rate intelligent device for measuring as claimed in claim 4, it is characterised in that: in water storage beaker (7) conduction liquid is set in, which is physiological saline or drinking mineral water.
6. a kind of weaved cotton cloth material water absorption rate intelligent measurement method, which comprises the following steps:
Step 1: the weaved cotton cloth material test product of 3cm wide is fixed on the retention bar of main support, the lower section of weaved cotton cloth material test product is hung Weaved cotton cloth material test product is adjusted to one reasonable high by fixed screw to guarantee the straight of weaved cotton cloth material test product by 2 grammes per square metre objects Degree,
Step 2: three probes are fixed on weaved cotton cloth material test product, it is subject to scale, three probe 1cm apart, three Probe is corresponding with three electrodes to be connected, and the other end of three electrodes is connected with three fixed bits of water absorption rate intelligent measuring apparatus, and three The voltage of a probe be+9V, safe voltage,
Step 3: opening water absorption rate intelligent measuring apparatus power supply, power supply indicator is bright, and unlatching reset button allows at the beginning of instrument intelligence system Beginningization, instrument system are in preparation state;
Step 4: water storage beaker to be placed in the lower section of weaved cotton cloth material test product, 2 grammes per square metre objects and weaved cotton cloth material test product are put into water storage and are burnt In cup, position is vertical, injects conduction liquid, and conduction liquid pays attention to observation away from C probe 1cm, at this point, conduction liquid starts infiltration movement, C probe is reached after a certain period of time, and C probe is " public pole ", and conduction liquid continues to move to, and reaches B probe, B probe after a certain period of time For " beginning ", the first indicator light extinguishes on instrument, and water absorption rate Intelligent Instrument starts the water absorption rate that converts, when conduction liquid reaches A probe, A When probe " stopping ", the second indicator light extinguishes on instrument, and the water absorption rate measurement of weaved cotton cloth material test product terminates, and shows weaved cotton cloth material The water suction rate score of test product, records the rate score that absorbs water, and water absorption rate intelligent measuring apparatus is in preparation state;
Step 5:, firstly, turning off the power supply of water absorption rate intelligent measuring apparatus, being removed after weaved cotton cloth material test product water absorption rate measures Three probes and three electrodes on weaved cotton cloth material test product, secondly, weaved cotton cloth material test product is removed from main support, water storage beaker It removes, measurement terminates.
CN201711442846.0A 2017-12-27 2017-12-27 A kind of weaved cotton cloth material water absorption rate intelligent device for measuring and measurement method Pending CN109975361A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113447391A (en) * 2021-08-31 2021-09-28 常州市宏发纵横新材料科技股份有限公司 Prepreg resin wettability testing method
CN113533443A (en) * 2021-07-02 2021-10-22 中国船舶重工集团公司第七二四研究所 Device and method for detecting capillary performance of capillary core based on electric signal method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202393677U (en) * 2011-11-11 2012-08-22 东南大学 Water migration measuring device based on technology of time domain reflection method
CN205786235U (en) * 2016-07-11 2016-12-07 三峡大学 A kind of device of quick mensuration seepage flow saturation position
CN206114470U (en) * 2016-09-30 2017-04-19 绍兴文理学院元培学院 Lithium ion battery diaphragm moisture absorption speed testing arrangement
CN207991995U (en) * 2017-12-27 2018-10-19 核工业西南物理研究院 A kind of weaved cotton cloth material water absorption rate intelligent device for measuring

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202393677U (en) * 2011-11-11 2012-08-22 东南大学 Water migration measuring device based on technology of time domain reflection method
CN205786235U (en) * 2016-07-11 2016-12-07 三峡大学 A kind of device of quick mensuration seepage flow saturation position
CN206114470U (en) * 2016-09-30 2017-04-19 绍兴文理学院元培学院 Lithium ion battery diaphragm moisture absorption speed testing arrangement
CN207991995U (en) * 2017-12-27 2018-10-19 核工业西南物理研究院 A kind of weaved cotton cloth material water absorption rate intelligent device for measuring

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
于邦玲: "织物吸水性能的测试与数据处理方法", 《纺织学报》 *
张明智: "耐碱耐高温渗透剂的研制与应用", 《辽宁化工》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113533443A (en) * 2021-07-02 2021-10-22 中国船舶重工集团公司第七二四研究所 Device and method for detecting capillary performance of capillary core based on electric signal method
CN113533443B (en) * 2021-07-02 2024-04-26 中国船舶集团有限公司第七二四研究所 Capillary core capillary performance detection device and method based on electric signal method
CN113447391A (en) * 2021-08-31 2021-09-28 常州市宏发纵横新材料科技股份有限公司 Prepreg resin wettability testing method

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Application publication date: 20190705