CN105067486A - Tumbling angle measurement method and device - Google Patents
Tumbling angle measurement method and device Download PDFInfo
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- CN105067486A CN105067486A CN201510577389.0A CN201510577389A CN105067486A CN 105067486 A CN105067486 A CN 105067486A CN 201510577389 A CN201510577389 A CN 201510577389A CN 105067486 A CN105067486 A CN 105067486A
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- angle
- carrying platform
- tumble
- article carrying
- drop
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Abstract
The invention provides a tumbling angle measurement method and a tumbling angle measurement device. The device comprises a base (11), an object carrying platform (13), a positioning mechanism, an inclinometer (17), a bracket (31) and a titrator (37), wherein the object carrying platform (13) is mounted on the base (11), can rotate around a rotating axial line relative to the base (11) and is provided with an object carrying plane (14) for carrying a test sample; the rotating axial line is a horizontal line; the positioning mechanism is mounted on the base (11) and is used for stabilizing the object carrying platform (13) at a desired rotating angle; the inclinometer (17) is mounted on the object carrying platform (13) and is used for measuring an inclination angle of the object carrying plane (14); the titrator (37) is mounted on the bracket (31) and is positioned above the object carrying plane and is used for dripping liquid drops on the test sample. The tumbling angle measurement device can conveniently adjust the inclination angle of the test sample and read the inclination angle of the test sample, so that the tumbling angle of the liquid drop on the surface of the test sample is conveniently measured, and the reproducibility is good.
Description
[technical field]
The present invention relates to fields of measurement, more specifically, relate to the measurement mechanism tumbling angle of fabric.
[background technology]
Tumble a kind of characterization attributes that angle is surface wettability.When a drips reaches the critical conditions before a kind of rolling at the solid surface tilted, the angle that solid surface tilts tumbles angle exactly.A super hydrophobic surface truly should meet two conditions simultaneously: larger surface contact angle and less tumble angle.Tumble angle less, the hydrophobicity of solid surface is better; Tumble angle larger, the hydrophobicity on surface is poorer.Tumble the sign that angle may be used for fabric face wetting state.
At present, need a kind of measurement quickly and accurately badly and tumble the apparatus and method at angle.
[summary of the invention]
One aspect of the present invention provides one to tumble angle measuring device, comprising: pedestal; Be installed to the article carrying platform of described pedestal, described article carrying platform can rotate relative to pedestal around a pivot center, and described pivot center is horizontal line, and described article carrying platform has loading plane for carrying sample; Be installed to the detent mechanism of described pedestal, for described article carrying platform being stabilized in the rotational angle wanted; Be installed to the inclinator of described article carrying platform, for measuring the angle of inclination of described loading plane; Be installed to the support of described pedestal and be installed to the titrator of support, described titrator is positioned at above described loading plane for liquid is dripped to sample.
As a modification of the present invention scheme, described detent mechanism comprises: the guide rail being installed to the arc-shaped of pedestal, and the center of circle of described guide rail is positioned at described pivot center; Be installed to the keeper of described article carrying platform, described keeper can move along described guide rail when described article carrying platform rotates and can be fixed to guide rail thus described article carrying platform is locked in the rotational angle wanted.
As a modification of the present invention scheme, described guide rail is the groove of circular arc, and described keeper can move along described groove when described article carrying platform rotates.
As a modification of the present invention scheme, described detent mechanism comprises electric expansion strut, the two ends of described electric expansion strut are hinged to described pedestal, article carrying platform respectively, and described electric expansion strut stretches thus rotated by described article carrying platform and be locked in the rotational angle wanted under the driving of motor.
As a modification of the present invention scheme, described support comprises the montant being fixed to described pedestal, the crossbeam being fixed to described montant; Described titrator is installed to described crossbeam.
As a modification of the present invention scheme, described crossbeam can move up and down along montant and be fixed on the position wanted.
As a modification of the present invention scheme, described crossbeam can move horizontally relative to montant and/or rotate and be fixed on the position wanted.
As a modification of the present invention scheme, described pedestal has height-adjustable feet, for described pivot center is adjusted to horizontal line.
As a modification of the present invention scheme, described pedestal is provided with level meter for detecting described pivot center whether level.
The present invention on the other hand, provides one to tumble angle measuring method, comprising:
Step S1, the sample cut is installed to the loading plane of the article carrying platform tumbling angle measuring device, described article carrying platform can around a pivot axis, described pivot center is horizontal line, and described article carrying platform is provided with inclinator for measuring the angle of inclination of described loading plane;
Step S3, make described article carrying platform around described pivot axis to the first predetermined angle, and the detent mechanism tumbling angle measuring device described in passing through by described loading plane stability at described first angle of inclination;
Step S5, liquid is installed to titrator, titrator is installed to the support tumbling angle measuring device;
Step S7, adjustment support make described titrator be positioned at above sample and distance sample center predeterminable range;
Step S9, extrude a drop from titrator and drip to sample, observe drop and whether tumble down from specimen surface;
Step S11, to tumble from specimen surface as drop in step S9, just with predetermined interval reduce described loading plane angle of inclination and by described detent mechanism by the described angle of inclination of loading plane stability after this reduction, and repeat step S9, until in adjacent twice step S9 wherein drop tumble till another drop do not tumble; As in step S9, drop rests on specimen surface, just with predetermined interval increase described loading plane angle of inclination and by described detent mechanism by the described angle of inclination of loading plane stability after this increase, and repeat step S9, until in adjacent twice step S9 wherein drop tumble till another drop do not tumble;
In step S13, described twice adjacent step S9, pitch angle when drop tumbles corresponding to loading plane tumbles angle as described drop at described sample.
As a modification of the present invention scheme, in step S11, described predetermined interval be from 1 degree to 10 degree within the scope of selected value.
As a modification of the present invention scheme, before step S3, the height of the feet of adjustment roll angle of fall measurement mechanism, makes described pivot center level.
As a modification of the present invention scheme, before step S1, temperature be 20 DEG C, relative humidity be the environment of 65% under the damping schedule time.
Provided by the inventionly tumble angle measuring device, the angle of inclination of sample can easily be adjusted, and read the angle of inclination of sample, thus measure sample easily tumble angle, favorable reproducibility.Provided by the invention tumble that angle measuring method can measure sample easily and fast, exactly tumble angle, favorable reproducibility.
Below in conjunction with drawings and Examples, the invention will be further described.
[accompanying drawing explanation]
Fig. 1 is the schematic diagram tumbling angle measuring device of one embodiment of the invention;
Fig. 2 is the schematic diagram tumbling angle measuring method that another embodiment of the present invention provides.
[embodiment]
With reference to figure 1, what one embodiment of the invention provided tumble, and angle measuring device comprises pedestal 11, be installed to the article carrying platform 13 of pedestal 11, be installed to pedestal 11 for article carrying platform 13 is stabilized in the rotational angle wanted detent mechanism, be installed to article carrying platform 13 the inclinator 17 being used for measuring the angle of inclination of the loading plane 14 of article carrying platform 13, be positioned at the titrator 37 that drop is dripped to the sample in loading plane 14 by being used for above loading plane 14.
In the present embodiment, article carrying platform 13 is rotatably mounted pedestal 11 by rotating shaft 15.The center line of rotating shaft 15 is as pivot center, and article carrying platform 13 can rotate relative to pedestal 11 around this pivot center.Pivot center is horizontal line.
Detent mechanism comprises the guide rail 21 of the arc-shaped being installed to pedestal 11, is installed to the keeper 23 of article carrying platform 13.The center of circle of guide rail 21 is positioned at above-mentioned pivot center, and therefore, keeper 23 can move along guide rail 21 when article carrying platform 13 rotates and can be fixed to guide rail 21 thus article carrying platform 13 is locked in the rotational angle wanted.Preferably, guide rail 21 has scale, so that user understands the angle that article carrying platform 13 has rotated above.
Alternatively, guide rail 21 is the groove of circular arc, and keeper 23 can move along groove when article carrying platform rotates.Preferably, guide rail 21 has scale, so that user understands the angle that article carrying platform 13 has rotated above.
Alternatively, detent mechanism comprises electric expansion strut, the two ends of electric expansion strut are hinged to pedestal 11, article carrying platform 13 respectively, and electric expansion strut stretches thus rotated by article carrying platform 13 and be locked in the rotational angle wanted under the driving of motor.
In the present embodiment, titrator 37 is syringe, is installed to support 31, this support 31 mounting base 11.Support 31 comprises the montant 33 being fixed to pedestal 11, the crossbeam 35 being fixed to montant 33; Titrator 37 is installed to crossbeam 35.
Preferably, crossbeam 35 can move up and down along montant and be fixed on the position wanted, thus can adjust the difference in height of titrator 37 and sample.
Preferably, crossbeam 35 can move horizontally along montant and be fixed on the position wanted, thus can adjust the position of titrator 37 relative to sample center.
Preferably, crossbeam 35 can horizontally rotate along montant and be fixed on the position wanted, thus can adjust the position of titrator 37 relative to sample center.
Preferably, pedestal 11 has the feet 12 of adjustment height, for pivot center is adjusted to horizontal line.
Preferably, pedestal 11 is provided with level meter for detecting pivot center whether level.
The angle measuring device measurement that tumbles shown in Fig. 1 is used to tumble the method at angle as shown in Figure 2.
Please refer to Fig. 2, in step S1, the sample cut is installed to the loading plane 14 of the article carrying platform 13 tumbling angle measuring device.As mentioned above, article carrying platform 13 can rotate relative to pedestal 11 around a pivot center, and pivot center is horizontal line, and article carrying platform 13 is provided with inclinator 17 for measuring the angle of inclination of loading plane 14.
In step S3, make article carrying platform 13 around described pivot axis to the first predetermined angle, such as 45 degree, and by the detent mechanism tumbling angle measuring device, loading plane 14 is stabilized in this first angle of inclination.
In step S5, liquid is installed to titrator, titrator is installed to the support 31 tumbling angle measuring device.
In step S7, support is regulated to make titrator be positioned at above sample and distance sample center predeterminable range, such as, at a distance of 10cm.
In step S9, extrude a drop from titrator and drip to sample, observe drop and whether tumble down from specimen surface.
In step S11, as in step S9, drop tumbles from specimen surface, just reduce the angle of inclination of loading plane 14 with predetermined interval and by detent mechanism, loading plane 14 be stabilized in the angle of inclination after this reduction, and repeat step S9, until in adjacent twice step S9 wherein drop tumble till another drop do not tumble; As in step S9, drop rests on specimen surface, just increase the angle of inclination of loading plane 14 with predetermined interval and by detent mechanism, loading plane 14 be stabilized in the angle of inclination after this increase, and repeating step S9, in twice always adjacent step S9, wherein drop tumbles till another drop do not tumble.
In twice adjacent step S9, pitch angle when drop tumbles corresponding to loading plane 14 tumbles angle as dropping liquid at sample.Such as, suppose in step S11, predetermined interval is 5 degree.When the pitch angle of loading plane 14 is (α-5) °, drop rests on specimen surface, and when pitch angle increases to α °, drop can tumble down from sample, then the inclined angle alpha of loading plane 14 be this sample tumble angle.Understandably, predetermined interval can be from 1 degree to 10 degree or 1 degree to 15 degree within the scope of selected value, such as predetermined interval is 1 degree, 2 degree, 3 degree, 4 degree, 6 degree, 7, spend, 8 degree, 9 degree or 10 degree.
Preferably, before step S3, the height of the feet 12 of adjustment roll angle of fall measurement mechanism, makes the pivot center level of loading plane 14.
Preferably, before step S1, temperature be 20 DEG C, relative humidity be the environment of 65% under the damping schedule time.
Preferably, the warp-wise of sample or longitudinally parallel with described pivot center.
The above embodiment only have expressed the preferred embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, as combined etc. the different characteristic in each embodiment, these all belong to protection scope of the present invention.
Claims (10)
1. tumble an angle measuring device, it is characterized in that, comprising:
Pedestal (11);
Be installed to the article carrying platform (13) of described pedestal (11), described article carrying platform (13) can rotate relative to pedestal (11) around a pivot center, described pivot center is horizontal line, and described article carrying platform (13) has loading plane (14) for carrying sample;
Be installed to the detent mechanism of described pedestal (11), for described article carrying platform (13) is stabilized in the rotational angle wanted;
Be installed to the inclinator (17) of described article carrying platform (13), for measuring the angle of inclination of described loading plane (14);
Be installed to the support (31) of described pedestal (11) and be installed to the titrator (37) of support (31), described titrator (37) is positioned at above described loading plane for drop is dripped to sample.
2. tumble angle measuring device as claimed in claim 1, it is characterized in that, described detent mechanism comprises:
Be installed to the guide rail (21) of the arc-shaped of pedestal (11), the center of circle of described guide rail (21) is positioned at described pivot center;
Be installed to the keeper (23) of described article carrying platform (13), described keeper (23) can also can be fixed to guide rail (21) thus described article carrying platform (13) is locked in the rotational angle wanted along described guide rail (21) be mobile when described article carrying platform (13) rotates.
3. tumble angle measuring device as claimed in claim 1, it is characterized in that, described detent mechanism comprises electric expansion strut, the two ends of described electric expansion strut are hinged to described pedestal, article carrying platform respectively, and described electric expansion strut stretches thus rotated by described article carrying platform and be locked in the rotational angle wanted under the driving of motor.
4. tumble angle measuring device as claimed in claim 1, it is characterized in that, described support (31) comprises the montant (33) being fixed to described pedestal (11), the crossbeam (35) being fixed to described montant (33); Described titrator (37) is installed to described crossbeam (35).
5. tumble angle measuring device as claimed in claim 4, it is characterized in that, described crossbeam (35) can move up and down along montant and be fixed on the position wanted; Described crossbeam (35) can move horizontally relative to montant and/or rotate and be fixed on the position wanted.
6. tumble angle measuring device as claimed in claim 1, it is characterized in that, described pedestal (11) has height-adjustable feet (12), for described pivot center is adjusted to horizontal line; Described pedestal (11) is provided with level meter for detecting described pivot center whether level.
7. tumble an angle measuring method, it is characterized in that, comprising:
Step S1, the sample cut is installed to the loading plane (14) of the article carrying platform (13) tumbling angle measuring device, described article carrying platform (13) can around a pivot axis, described pivot center is horizontal line, and described article carrying platform (13) is provided with inclinator (17) for measuring the angle of inclination of described loading plane (14);
Step S3, make described article carrying platform (13) around described pivot axis to the first predetermined angle, and described loading plane (14) is stabilized in described first angle of inclination by the detent mechanism tumbling angle measuring device described in passing through;
Step S5, liquid is installed to titrator, titrator is installed to the support (31) tumbling angle measuring device;
Step S7, adjustment support make described titrator be positioned at above sample and distance sample center predeterminable range;
Step S9, extrude a drop from titrator and drip to sample, observe drop and whether tumble down from specimen surface;
Step S11, to tumble from specimen surface as drop in step S9, just reduce the angle of inclination of described loading plane (14) with predetermined interval and by described detent mechanism, described loading plane (14) be stabilized in the angle of inclination after this reduction, and repeating step S9, in twice always adjacent step S9, wherein drop tumbles till another drop do not tumble; As in step S9, drop rests on specimen surface, just increase the angle of inclination of described loading plane (14) with predetermined interval and by described detent mechanism, described loading plane (14) be stabilized in the angle of inclination after this increase, and repeating step S9, in twice always adjacent step S9, wherein drop tumbles till another drop do not tumble;
In step S13, described twice adjacent step S9, pitch angle when drop tumbles corresponding to loading plane (14) tumbles angle as described drop at described sample.
8. tumble angle measuring method as claimed in claim 7, it is characterized in that, in step S11, described predetermined interval be from 1 degree to 10 degree within the scope of selected value.
9. tumble angle measuring method as claimed in claim 7, it is characterized in that, before step S3, the height of the feet of adjustment roll angle of fall measurement mechanism, makes described pivot center level.
10. tumble angle measuring method as claimed in claim 7, it is characterized in that, before step S1, temperature be 20 DEG C, relative humidity be the environment of 65% under the damping schedule time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510577389.0A CN105067486A (en) | 2015-09-11 | 2015-09-11 | Tumbling angle measurement method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510577389.0A CN105067486A (en) | 2015-09-11 | 2015-09-11 | Tumbling angle measurement method and device |
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| CN105067486A true CN105067486A (en) | 2015-11-18 |
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| CN201510577389.0A Pending CN105067486A (en) | 2015-09-11 | 2015-09-11 | Tumbling angle measurement method and device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334141A (en) * | 2015-12-01 | 2016-02-17 | 浙江晶科能源有限公司 | Silicon wafer hydrophilic testing platform |
| CN107367446A (en) * | 2017-09-20 | 2017-11-21 | 廊坊立邦涂料有限公司 | A kind of hydrophilic detection method of paint coatings |
| CN110007066A (en) * | 2019-05-10 | 2019-07-12 | 长安大学 | A kind of experimental rig and test method for road surface hydrophobic performance |
| CN110987930A (en) * | 2019-12-21 | 2020-04-10 | 青岛科技大学 | Visual characterization method for self-cleaning behavior of surface of super-hydrophobic high polymer material |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334141A (en) * | 2015-12-01 | 2016-02-17 | 浙江晶科能源有限公司 | Silicon wafer hydrophilic testing platform |
| CN107367446A (en) * | 2017-09-20 | 2017-11-21 | 廊坊立邦涂料有限公司 | A kind of hydrophilic detection method of paint coatings |
| CN110007066A (en) * | 2019-05-10 | 2019-07-12 | 长安大学 | A kind of experimental rig and test method for road surface hydrophobic performance |
| CN110987930A (en) * | 2019-12-21 | 2020-04-10 | 青岛科技大学 | Visual characterization method for self-cleaning behavior of surface of super-hydrophobic high polymer material |
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Application publication date: 20151118 |