CN104515457A - Simple device for testing surface slide angles of fabrics - Google Patents
Simple device for testing surface slide angles of fabrics Download PDFInfo
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- CN104515457A CN104515457A CN201410524383.2A CN201410524383A CN104515457A CN 104515457 A CN104515457 A CN 104515457A CN 201410524383 A CN201410524383 A CN 201410524383A CN 104515457 A CN104515457 A CN 104515457A
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Abstract
The invention relates to the field of fabric performances testing, in particular to a device for testing super-hydrophobic fabric slide angles. The device comprises a sample carrier board, a bottom board, rulers and a hand screw. The sample carrier board is used for holding a sample, one end of the sample carrier board is connected with the bottom board through a hinge, and the other end is a free end. A water tank with one end open is arranged on the sample carrier board. Three round holes are arranged in the bottom board, and a nut is arranged at each round hole. The hand screw drives the free end to rotate around the hinge by using the round holes and the nuts as a lifting mechanism. The two rulers are adhered on the bottom board and are used as a fixing unit and a measurement unit. Water drops are dropwise added on the test sample, the positions that the water drops start to slide or stop sliding are observed by raising or lowering of the sample carrier board, readings on the rulers are recorded, and the fabric slide angles are obtained by calculation. The device is simple in structure, easy to operate, low in cost and high in practicality.
Description
Technical field
The present invention relates to the proving installation of super-hydrophobic web surface slide angle, belong to web surface Performance Detection technical field.
Background technology
Along with the quickening of people's rhythm of life, and pursue the requirement of high-quality life, the textile with automatically cleaning ability arises at the historic moment.By being the simple and easy method being obtained from cleaning fabric to the super-hydrophobic arrangement of fabric.Super-hydrophobic arrangement system simulation lotus leaf effect, make fabric face contact angle reach more than 150 °, slide angle reaches less than 5 °.Wherein, slide angle is less, more easily takes away the dust dirt of web surface, thus reaches good automatically cleaning effect.
At present its static contact angle mainly tested to the test of super-hydrophobic web surface performance and repeatedly wash and static contact angle after rubbing.Static contact angle is the important parameter characterizing super-hydrophobic fabric, but the size of contact angle and water droplet are in the not direct relation of the rollability of fabric.Can water droplet be another important indicator evaluating super-hydrophobic fabric self-cleaning performance from web surface landing fast and with low-angle.But the video contact angle instrument on basis can only test the static contact angle of fabric at present, if need to test slide angle, just need expensive repacking expense.Therefore, the device designing a kind of easy test slide angle is necessary.
Summary of the invention
The object of this invention is to provide a kind of device of easy test slide angle.
In order to achieve the above object, technical scheme of the present invention there is provided a kind of easy device of testing fabric surface sliding angle, it is characterized in that: comprise base plate and the sample loading plate for placing sample, one end of sample loading plate and base plate hinged, the other end of sample loading plate is free end, by the angle α that operation lifting detent mechanism makes angulation between sample loading plate and base plate adjustable, being provided with sample loading plate at least side of sample loading plate and base plate is 90 degree of scales arranged, the left and right sides of scale all indicates reading and scale is identical.
Preferably, described lifting detent mechanism comprises out at least one circular hole on described base plate, is equipped with a nut at each circular hole place, and screw offsets through the bottom surface of its top and described sample loading plate after circular hole and nut.
Preferably, described sample loading plate is provided with the tank for collecting from the water droplet sample landing.
Preferably, described sink surface has opening on the sidewall of described sample, and A/F is 15-20mm.
Preferably, on described sample loading plate, described in distance, there is an index line being used to indicate the position of entry needle at opening 20mm place.
Preferably, described scale is positioned at apart from described sample loading plate and described base plate hinged point 10-20mm position, and the zero graduation line of described scale is parallel with the upper horizontal plane of described base plate.
Preferably, described scale has the both sides that two are arranged symmetrically in described sample loading plate and described base plate respectively, and two scales are fixed cell and measuring unit simultaneously.
Preferably, the material of described sample loading plate, base plate and scale is organic glass.
Another technical scheme of the present invention there is provided a kind of web surface slide angle method of testing adopting the easy device at above-mentioned test fabric surface sliding angle, it is characterized in that, comprises the following steps:
Be fixed on by sample on sample loading plate, water intaking is added drop-wise on sample, the free end of the slow lifting sample loading plate of operation lifting detent mechanism, observe the water droplet on sample, when water droplet starts to slide, the position of fixing sample loading plate, read same as the reading of the scale left and right sides, be designated as x
1and x
2, then the slide angle of current sample is had
in formula, A is the width of scale.
Another technical scheme of the present invention there is provided a kind of web surface slide angle method of testing adopting the easy device at above-mentioned test fabric surface sliding angle, it is characterized in that, comprises the following steps:
Sample is fixed on sample loading plate, by operation lifting detent mechanism, angle α is adjusted to maximum, syringe is utilized to drip water droplet on sample, by operation lifting detent mechanism, the free end of sample loading plate is slowly reduced, until water droplet does not slide, the position of fixing sample loading plate, reads same as the reading of the scale left and right sides, is designated as x
1and x
2, then the slide angle of current sample is had
in formula, A is the width of scale.
The present invention can record the slide angle of web surface exactly, and structure is simple, and easy to operate, cost is low, practical, and it has the following advantages:
1, on sample loading plate, design tank, be used for collecting the water droplet of landing, ensure the clean of instrument, it also avoid the impact on contact angle instrument simultaneously.
2, two pieces of scales are used, not only can reading but also can sample loading plate be fixed.Relatively traditional protractor measuring angle, hinge thickness has larger impact to the result measured, and this device just can obtain precise results by simple computation.
Accompanying drawing explanation
Figure 1A is the perspective view in a direction of the present invention;
Figure 1B is the perspective view in another direction of the present invention;
Fig. 2 is the floor map of scale of the present invention.
Embodiment
For making the present invention become apparent, hereby with preferred embodiment, and accompanying drawing is coordinated to be described in detail below.
In conjunction with Figure 1A and Figure 1B, a kind of easy device of testing fabric surface sliding angle provided by the invention, comprises sample loading plate 1, base plate 2, scale 3 and hand tighten screw.Sample loading plate 1 places sample, and its one end and base plate 2 are hinged, and the other end is free end.Sample loading plate 1 is provided with a tank 6, tank 6 one end open, and A/F is 15-20mm.An index line 4 is had apart from openend 20mm place.Tank 6 can be collected from the water droplet sample landing, and index line 4 indicates the position of entry needle.Base plate 2 is provided with the side that three circular holes, 5, three circular holes 5 are evenly distributed on base plate 2, and its diameter is 10mm, circular hole 5 place placing nut.Hand tighten screw diameter is 10mm, is highly 100-120mm, and hand tighten screw drives the free end of sample loading plate 1 around hinge through by circular hole 5 and nut as lifting mechanism.Not only base plate 2 bonds two scales 3 as shown in Figure 2, as fixed cell but also as measuring unit.The width A of scale 3 is 50-80mm, and the range of two scales 3 is 1000mm, and scale 3 is fixed near distance hinged end 10-20mm place, and the zero graduation line of scale 3 is parallel with the upper horizontal plane of base plate 2.Namely two scales 3 are the positions of fixing sample loading plate 1, and readable is to calculate angle again.
Owing to adopting technique scheme, the method for test slide angle has the following two kinds.
Method one: be bonded on microslide by sample during test, is then positioned on sample loading plate 1, and water intaking is added drop-wise on sample, with the free end of the slow lifting sample loading plate 1 of hand tighten screw.Observe the water droplet on sample, when water droplet starts to slide, be the slide angle of sample.Record the left and right sides reading of same scale 3, be designated as x
1and x
2, then the slide angle of current sample is had
Two scales 3 can be utilized to obtain two slip angle value, be then averaged, also can measure and repeatedly be averaged, measurement result all can be made more accurate.
Method two: during test, sample is bonded on microslide, then be positioned on sample loading plate 1, this device is adjusted to maximum angle, above index line 4,1cm place is syringe, drip water droplet, then slowly reduce the free end of sample loading plate 1 with hand tighten screw, until time water droplet is skid-resistant, be the slide angle of sample.The left and right sides reading of record scale 3, is designated as x
1and x
2, then the slide angle of current sample is had
The present invention is further illustrated below with instantiation.
Embodiment 1
In this preferred embodiment, the OCA20 video contact angle instrument of German Dataphysics company completes the slide angle test of one piece of super-hydrophobic fabric together with this device.Label taking chi width is 50mm.Fabric is cut into the test specimens that the long 2cm of 5cm is loose, use adhered by double sided plaster on microslide, test specimens one end is parallel with one end of microslide and overlap.Microslide is placed on above the tank 6 on sample loading plate 1.Device is placed on the platform of OCA20.Use micro syringe to inject 15 μ l water at sample distance 20mm place, bottom (i.e. scale mark indicating positions), rule of thumb, 3 μ l are injected in injection again after stopping can make water droplet depart from syringe needle.Then with the free end of the slow lifting sample loading plate 1 of hand tighten screw.Observe the water droplet on sample, time water droplet starts to slide, be the slide angle of sample.The left and right reading X of record scale 3
1and X
2.According to above-mentioned computing formula, calculate slide angle, in triplicate, take the mean.
Embodiment 2
In this preferred embodiment, the OCA20 video contact angle instrument of German Dataphysics company completes the slide angle test of one piece of super-hydrophobic fabric together with this device.Label taking chi width is 80mm.Fabric is cut into the test specimens that the long 2cm of 5cm is loose, use adhered by double sided plaster on microslide, test specimens one end is parallel with one end of microslide and overlap.Microslide is placed on above the tank 6 on sample loading plate 1.Device is adjusted to maximum angle be placed on the platform of OCA20.Adjustment podium level makes the index line 4 of microslide be 1cm with the vertical range of the syringe needle of syringe, micro syringe is used to inject 15 μ l water at sample distance 20mm place, bottom (i.e. scale mark indicating positions), rule of thumb, injection is injected 3 μ l again and can be made water droplet disengaging syringe needle after stopping.Then twist with hand the free end that hand tighten screw slowly reduces sample loading plate 1.Observe the water droplet on sample, time water droplet starts skid-resistant, be the slide angle of sample.The reading left and right reading X of record scale 3
1and X
2.According to above-mentioned computing formula, calculate slide angle, in triplicate, take the mean.
Claims (10)
1. test the easy device at fabric surface sliding angle for one kind, it is characterized in that: comprise base plate (2) and the sample loading plate (1) for placing sample, one end and the base plate (2) of sample loading plate (1) are hinged, the other end of sample loading plate (1) is free end, the angle α that between sample loading plate (1) and base plate (2), angulation is adjustable is made by operation lifting detent mechanism, be provided with sample loading plate (1) in 90 degree of scales arranged (3) at least side of sample loading plate (1) with base plate (2), the left and right sides of scale (3) all indicates reading and scale is identical.
2. a kind of easy device of testing fabric surface sliding angle as claimed in claim 1, it is characterized in that: described lifting detent mechanism comprises out at least one circular hole (5) on described base plate (2), be equipped with a nut at each circular hole (5) place, screw offsets through the bottom surface of its top and described sample loading plate (1) after circular hole (5) and nut.
3. a kind of easy device of testing fabric surface sliding angle as claimed in claim 1, is characterized in that: on described sample loading plate (1), be provided with the tank (6) for collecting from the water droplet sample landing.
4. a kind of easy device of testing fabric surface sliding angle as claimed in claim 3, it is characterized in that: described tank (6) has opening on the sidewall of described sample, A/F is 15-20mm.
5. a kind of easy device of testing fabric surface sliding angle as claimed in claim 4, is characterized in that: described in the upper distance of described sample loading plate (1), there is an index line (4) being used to indicate the position of entry needle at opening 20mm place.
6. a kind of easy device of testing fabric surface sliding angle as claimed in claim 1, it is characterized in that: described scale (3) is positioned at apart from described sample loading plate (1) and described base plate (2) pin joint 10-20mm position, and the zero graduation line of described scale (3) is parallel with the upper horizontal plane of described base plate (2).
7. a kind of easy device of testing fabric surface sliding angle as claimed in claim 1, it is characterized in that: described scale (3) has the both sides that two are arranged symmetrically in described sample loading plate (1) and described base plate (2) respectively, and two scales (3) are fixed cell and measuring unit simultaneously.
8. a kind of easy device of testing fabric surface sliding angle as claimed in claim 1, is characterized in that: the material of described sample loading plate (1), base plate (2) and scale (3) is organic glass.
9. adopt a web surface slide angle method of testing for the easy device at test fabric surface sliding angle as claimed in claim 1, it is characterized in that, comprise the following steps:
Sample is fixed on sample loading plate (1), water intaking is added drop-wise on sample, the free end of the slow lifting sample loading plate (1) of operation lifting detent mechanism, observe the water droplet on sample, when water droplet starts to slide, the position of fixing sample loading plate (1), reads same as the reading of scale (3) left and right sides, is designated as x
1and x
2, then the slide angle of current sample is had
in formula, A is the width of scale (3).
10. adopt a web surface slide angle method of testing for the easy device at test fabric surface sliding angle as claimed in claim 1, it is characterized in that, comprise the following steps:
Sample is fixed on sample loading plate (1), by operation lifting detent mechanism, angle α is adjusted to maximum, syringe is utilized to drip water droplet on sample, by operation lifting detent mechanism, the free end of sample loading plate (1) is slowly reduced, until water droplet does not slide, the position of fixing sample loading plate (1), reads same as the reading of scale (3) left and right sides, is designated as x
1and x
2, then the slide angle of current sample is had
in formula, A is the width of scale (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410524383.2A CN104515457A (en) | 2014-10-08 | 2014-10-08 | Simple device for testing surface slide angles of fabrics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410524383.2A CN104515457A (en) | 2014-10-08 | 2014-10-08 | Simple device for testing surface slide angles of fabrics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104515457A true CN104515457A (en) | 2015-04-15 |
Family
ID=52791129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410524383.2A Pending CN104515457A (en) | 2014-10-08 | 2014-10-08 | Simple device for testing surface slide angles of fabrics |
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| Country | Link |
|---|---|
| CN (1) | CN104515457A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842117A (en) * | 2016-05-23 | 2016-08-10 | 华东理工大学 | Device and method for measuring powder fluidity |
| CN106840972A (en) * | 2016-12-26 | 2017-06-13 | 奇瑞汽车股份有限公司 | A kind of glass neatly test device and its method of testing |
| CN112945779A (en) * | 2019-11-26 | 2021-06-11 | 天津大学 | Method and device for on-site evaluation of wear resistance of super-hydrophobic coating |
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| SU1315875A1 (en) * | 1986-01-27 | 1987-06-07 | Харьковский Институт Механизации И Электрификации Сельского Хозяйства | Device for separating seeds of agricultural plants |
| JPH09236537A (en) * | 1996-03-01 | 1997-09-09 | Oriental Photo Ind Co Ltd | Method and apparatus for measuring surface slipperiness |
| CN2391193Y (en) * | 1999-10-21 | 2000-08-09 | 山西大学 | Frictionmeter |
| CN2521611Y (en) * | 2002-01-17 | 2002-11-20 | 浙江大学 | Dynamic sliding friction factor testing instrument |
| CN201667152U (en) * | 2010-04-02 | 2010-12-08 | 董华江 | Friction coefficient measuring device |
| CN102878910A (en) * | 2012-10-26 | 2013-01-16 | 中国农业大学 | Inclined plane instrument device for measuring friction coefficient and friction angle of granular materials |
-
2014
- 2014-10-08 CN CN201410524383.2A patent/CN104515457A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1315875A1 (en) * | 1986-01-27 | 1987-06-07 | Харьковский Институт Механизации И Электрификации Сельского Хозяйства | Device for separating seeds of agricultural plants |
| JPH09236537A (en) * | 1996-03-01 | 1997-09-09 | Oriental Photo Ind Co Ltd | Method and apparatus for measuring surface slipperiness |
| CN2391193Y (en) * | 1999-10-21 | 2000-08-09 | 山西大学 | Frictionmeter |
| CN2521611Y (en) * | 2002-01-17 | 2002-11-20 | 浙江大学 | Dynamic sliding friction factor testing instrument |
| CN201667152U (en) * | 2010-04-02 | 2010-12-08 | 董华江 | Friction coefficient measuring device |
| CN102878910A (en) * | 2012-10-26 | 2013-01-16 | 中国农业大学 | Inclined plane instrument device for measuring friction coefficient and friction angle of granular materials |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842117A (en) * | 2016-05-23 | 2016-08-10 | 华东理工大学 | Device and method for measuring powder fluidity |
| CN106840972A (en) * | 2016-12-26 | 2017-06-13 | 奇瑞汽车股份有限公司 | A kind of glass neatly test device and its method of testing |
| CN112945779A (en) * | 2019-11-26 | 2021-06-11 | 天津大学 | Method and device for on-site evaluation of wear resistance of super-hydrophobic coating |
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Application publication date: 20150415 |
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