CN107843597A - The device and its application method of air layer interference between liquid level are not merged in a kind of observation - Google Patents
The device and its application method of air layer interference between liquid level are not merged in a kind of observation Download PDFInfo
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- CN107843597A CN107843597A CN201711330976.5A CN201711330976A CN107843597A CN 107843597 A CN107843597 A CN 107843597A CN 201711330976 A CN201711330976 A CN 201711330976A CN 107843597 A CN107843597 A CN 107843597A
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
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Abstract
The invention discloses the device and observation procedure that air layer interference between liquid level is not merged in a kind of observation, including light source, observation part, sample stage, drop generating device, loudspeaker, signal generator, audio-frequency power amplifier and computer, the light source is more than three homochromy and have coherence light source, and the part of observing includes microscope and screw rod mobile device.The observation procedure includes：Light source is opened to start to test after it is stable, sample stage described in solution Silicone oil injection is formed into liquid film, open and adjust signal generator, it is sinusoidal signal to make its output frequency, sinusoidal signal input loudspeaker after audio-frequency power amplifier is adjusted, by in the syringe in Silicone oil injection drop generating device, slow pushing syringe, in the silicon oil solution during syringe minimum point forms drop and makes its free-falling enter sample stage, microscope height is adjusted by adjusting the screw rod mobile device, until observing clearly interference fringe phenomenon in a computer.
Description
Technical field
The invention belongs to measure testing field, more particularly, and in particular to air between liquid level is not merged in one kind observation
The device and its application method of layer interference.
Background technology
Super hydrophobic material mainly using its automatically cleaning, it is antifouling, it is anti-adhesion etc. superior characteristic, be widely used in construction industry,
The fields such as workers and peasants' production industry, pipeline industry, health care and national defense and military.Secondly, probing into drop, fusion phenomenon is not also pair
The theoretical further research of hydrodynamic lubrication, the friction of hydrodynamic lubrication layer and air interlayer, it can be reacted by the thickness of air layer
Out, and the measuring method of air layer thickness typically using interferometric method measure.No can apply is being observed in the prior art
The liquid equipment that fusion phenomenon air layer is not interfered, therefore a kind of equipment of invention can be caused due to not merging with Synchronous
Interference, the air shelf theory of checking drop not fusion phenomenon, the research and development to new super hydrophobic material have extremely heavy
The meaning wanted.
The content of the invention
It is an object of the invention to fill up prior art for observe not fusion phenomenon air layer interference equipment blank,
A kind of observe is provided and does not merge liquid level and the device and its application method of air layer interference.
The technical purpose of the present invention is achieved by following technical proposals：
The device of air layer interference between liquid level, including light source, observation part, sample stage, liquid are not merged in a kind of observation
Drip generating means, loudspeaker, signal generator, audio-frequency power amplifier and computer, the light source be more than three it is homochromy and
With coherence light source, the observation part includes microscope and screw rod mobile device, and the microscope moves installed in screw rod
On device；
Wherein, the light source is arranged on the regular polygon vertex position, the loudspeaker peace according to regular polygon mode
Mounted in the regular polygon center, the sample stage is arranged on the loudspeaker, and the observation device is arranged on the sample
Microscope in platform side and the guarantee observation device is directly over the sample stage, and the drop generating device is positioned at described
Sample stage is with respect to observation device side, the signal generator signal output part and audio-frequency power amplifier signal input part phase
Even, the audio-frequency amplifier signal output part is connected with the loudspeaker, and computer is connected with microscope data output end.
In above-mentioned technical proposal, the drop generating device includes adjusting bracket and syringe, the syringe and level
Face is in 45 °~60 ° angles, and the syringe perigee distance sample stage floor height is 5cm~10cm.
In above-mentioned technical proposal, the microscope is the digital electric microscope that multiplication factor is not less than 1000 times, described
Light source is low-pressure sodium lamp.
In above-mentioned technical proposal, the regular polygon length of side is between 23cm~45cm.
In above-mentioned technical proposal, the sample stage is glass culture dish, and the loudspeaker is long stroke loudspeaker.
Do not merged the method that air layer interference is observed between liquid level using said apparatus, entered by the following method
OK：
Open light source to start to test after it is stable, solution reagent injected in the sample stage, is formed thickness be 1cm~
4cm liquid film, open and adjust signal generator, make the sinusoidal signal that its output frequency is 16Hz~25Hz, the sinusoidal letter
The input loudspeaker number after audio-frequency power amplifier regulation Vpp values are 0.08 ± 0.01mv, by solution reagent injection liquid
Drip in the syringe in generating means, slow pushing syringe, form drop in syringe minimum point and enter its free-falling
In liquid film in sample stage, microscope height is adjusted by adjusting the screw rod mobile device, until observing in a computer
Clearly interference fringe phenomenon.
In above-mentioned technical proposal, the solution reagent is silicone oil, and the silicone oil is 50cst silicone oil, syringe minimum point with
Distance is 4~6cm between silicone oil liquid level in sample stage.
In above-mentioned technical proposal, 5~10 minutes are stood after sample stage described in Silicone oil injection.
In above-mentioned technical proposal, when the light source uses low-pressure sodium lamp, need to be fully warmed-up more than 15 minutes before starting experiment.
In above-mentioned technical proposal, the observation and collection of interference image are carried out using Measurement softwares in a computer.
The application method of air layer interference device and device between liquid level is not merged in observation more than, can synchronously see
Observe due to not merging and caused interference, so that it is determined that the presence of fusion phenomenon and checking drop do not merge drop
The air shelf theory of phenomenon.The application method of the device and device can be applied in scientific research and classroom instruction etc., right
Further carrying out the R＆D work of new super hydrophobic material has important practical value.
Brief description of the drawings
Fig. 1 does not merge air layer interference device floor map between liquid level for observation；
Fig. 2 does not merge air layer interference device I-I diagrammatic cross-sections between liquid level for observation；
In figure：1. light source；2. observe part；2-1. microscope；2-2. screw rod mobile devices；3. sample stage；4. drop is sent out
Generating apparatus；4-1. syringe；4-2. adjusting bracket；5. loudspeaker；6. signal generator；7. audio-frequency power amplifier；8. calculate
Machine.
Fig. 3 Measurement softwares observe interference fringe image in a computer
Embodiment：
In order that advantages of the present invention, technical scheme and purpose are more clearly understood that, the present invention is entered to advance with reference to example
The explanation of one step.The case study on implementation of the present invention is given below, is the further explanation to the present invention, rather than limit the present invention's
Scope.
Embodiment
The device of air layer interference between liquid level, including light source, observation part, sample stage, drop hair are not merged in observation
Generating apparatus, loudspeaker, signal generator, audio-frequency power amplifier and computer, the light source are three low-pressure sodium lamps and supporting
Power supply model ND20, power 20W, operating voltage VAC：15 ± 5, operating current AAC：1-1.3, external diameter 28mm, length 155mm,
Height of luminescent center：75mm spectral characteristics：Main spectral line isThe observation part includes 1000X digital electric microscopes,
Sensor is the photosensitive chip of high-performance, and master control chip is 16Bit DSP, static state parsing 640*480, dynamic frame number 30f/s and Hangzhoupro
Screw rod mobile device among the sound velocimeter of the big China's production in state；
Wherein, the light source is that 25cm equilateral triangles mode is arranged on the regular polygon vertex position, institute according to the length of side
It is 4 inch of 4 Ω to state loudspeaker, and rated power 40W, 87 ± 3dB of sensitivity are arranged on the triangle center, and the sample stage is
Diameter 90mm glass culture dish is arranged on the loudspeaker, and the observation part is arranged on the sample stage side and ensures institute
The microscope in observation device is stated directly over the sample stage, the drop generating device includes adjusting bracket and equipped with diameter
The 25ml syringes of 0.5mm syringe needles, the drop generating device is located at the sample stage side relative with observation device, described
Syringe is 5.5cm horizontal by 45° angle, syringe perigee distance sample stage floor height, the signal generator letter
Number it is green poplar YB1610 models, output voltage amplitude 10p-p (1M Ω) >=10p-p (50 Ω), the signal generator signal is defeated
Go out end with audio-frequency power amplifier signal input part using cable to be connected, the audio-frequency amplifier supply voltage VAC：8-18, work(
Rate 20W power outputs 30W+30W, the audio-frequency amplifier signal output part are connected with the loudspeaker using cable, computer
It is connected with microscope data output end using USB data transmission cable.
The device for not merging air layer interference between liquid level using above-mentioned observation carries out the following institute of method of interference
State：
Three low-pressure sodium lamps are arranged on the regular polygon vertex position, institute according to the length of side for 25cm equilateral triangles mode
Loudspeaker is stated to be arranged on installed in the triangle center, the sample stage on the loudspeaker, opens three low-pressure sodium lamps
Power supply starts to test after being fully warmed-up, and in 50cst Silicone oil injection diameter 90mm glass culture dish and will stand 5 minutes, is formed thick
The liquid film for 1.5cm is spent, opens and adjusts signal generator, makes the sinusoidal signal that its output frequency is 16Hz, the sinusoidal letter
Number by audio-frequency power amplifier regulation Vpp values be input loudspeaker after 0.08mv, by 5ml Silicone oil injection drop generating devices
Syringe in, adjust in syringe minimum point and sample stage that distance is the slow pushing syringes of 4cm between silicone oil liquid level, noting
Emitter minimum point forms drop and its free-falling is entered in the silicon oil solution in sample stage, is existed using Measurement softwares
Image is observed in computer, microscope height is adjusted by adjusting the screw rod mobile device, clearly interferes until observing
Fringe phenomena is as shown in Figure 3.
Claims (10)
1. the device of air layer interference between liquid level, including light source, observation part, sample stage, drop are not merged in a kind of observation
Generating means, loudspeaker, signal generator, audio-frequency power amplifier and computer, the light source are more than three homochromy and tools
There is coherence light source, the observation part includes microscope and screw rod mobile device, and the microscope is arranged on screw rod movement dress
Put；
Wherein, the light source is arranged on the regular polygon vertex position according to regular polygon mode, and the loudspeaker is arranged on
The regular polygon center, the sample stage are arranged on the loudspeaker, and the observation device is arranged on the sample stage one
For microscope in side and the guarantee observation device directly over the sample stage, the drop generating device is located at the sample
Platform is connected with respect to observation device side, the signal generator signal output part with audio-frequency power amplifier signal input part, institute
State audio-frequency amplifier signal output part with the loudspeaker to be connected, computer is connected with microscope data output end.
2. the device of air layer interference between liquid level is not merged in observation according to claim 1, it is characterised in that described
Drop generating device includes adjusting bracket and syringe, and the syringe is horizontal by 45 °~60 ° angles, and the syringe is most
Low spot is 5cm~10cm apart from sample stage floor height.
3. the device of air layer interference between liquid level is not merged in observation according to claim 1, it is characterised in that described
Microscope is the digital electric microscope that multiplication factor is not less than 1000 times, and the light source is low-pressure sodium lamp.
4. the device of air layer interference between liquid level is not merged in observation according to claim 1, it is characterised in that described
The regular polygon length of side is between 23cm~45cm.
5. the device of air layer interference between liquid level is not merged in observation according to claim 1, it is characterised in that described
Sample stage is glass culture dish, and the loudspeaker is long stroke loudspeaker.
6. the method for air layer interference observation between liquid level is not merged using device as claimed in claim 1, under
State method progress：
Open light source to start to test after it is stable, solution reagent is injected in the sample stage, it is 1cm~4cm to form thickness
Liquid film, open and adjust signal generator, make the sinusoidal signal that its output frequency is 16Hz~25Hz, sinusoidal signal warp
It is input loudspeaker after 0.08 ± 0.01mv to cross audio-frequency power amplifier regulation Vpp values, by solution reagent injection drop hair
In syringe in generating apparatus, slow pushing syringe, form drop in syringe minimum point and its free-falling is entered sample
In liquid film in platform, microscope height is adjusted by adjusting the screw rod mobile device, until observing in a computer clearly
Interference fringe phenomenon.
7. according to claim 6 do not merge the method that air layer interference is observed between liquid level, it is characterised in that described
Solution reagent is silicone oil, and the silicone oil is 50cst silicone oil, and distance is 4 between silicone oil liquid level in syringe minimum point and sample stage
~6cm.
8. according to claim 6 do not merge the method that air layer interference is observed between liquid level, it is characterised in that described
Solution reagent stands 5~10 minutes after injecting the sample stage.
9. according to claim 6 do not merge the method that air layer interference is observed between liquid level, it is characterised in that described
When light source uses low-pressure sodium lamp, need to be fully warmed-up more than 15 minutes before starting experiment.
10. according to claim 6 do not merge the method that air layer interference is observed between liquid level, it is characterised in that
The observation and collection of interference image are carried out in computer using Measurement softwares.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711330976.5A CN107843597A (en) | 2017-12-13 | 2017-12-13 | The device and its application method of air layer interference between liquid level are not merged in a kind of observation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711330976.5A CN107843597A (en) | 2017-12-13 | 2017-12-13 | The device and its application method of air layer interference between liquid level are not merged in a kind of observation |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2890895Y (en) * | 2005-11-16 | 2007-04-18 | 西安工业大学 | Automatic recording interferometer for small molecule substance migration phenomenon in polymer system |
| KR20100033047A (en) * | 2008-09-19 | 2010-03-29 | 고려대학교 산학협력단 | Confocal microscopy |
| CN103048780A (en) * | 2012-11-08 | 2013-04-17 | 清华大学 | Continuous temperature-change polarizing microscope device |
| CN204166763U (en) * | 2014-10-30 | 2015-02-18 | 中国人民解放军装甲兵工程学院 | For demonstration and measurement liquid surface wave characteristic experimental provision |
| CN204576935U (en) * | 2015-05-11 | 2015-08-19 | 江南大学 | A kind of reading microscope facilitating interference to observe |
| CN105891207A (en) * | 2016-04-11 | 2016-08-24 | 中国石油大学(华东) | Microscopic feature test device and method for water drops in oil under actions of ultrasound and electric field |
| CN106053392A (en) * | 2016-05-19 | 2016-10-26 | 西北大学 | Device based on micro-nano fluid control reflection interference spectral imaging system and realization method |
| CN107091794A (en) * | 2016-02-18 | 2017-08-25 | 上海梭伦信息科技有限公司 | A kind of apparatus and method of full-automatic testing surface free energy |
| CN107209000A (en) * | 2015-01-30 | 2017-09-26 | 浜松光子学株式会社 | Interference observation device and interference observational technique |
| CN207636500U (en) * | 2017-12-13 | 2018-07-20 | 天津师范大学 | The device of air layer interference phenomenon between liquid level is not merged in a kind of observation |
-
2017
- 2017-12-13 CN CN201711330976.5A patent/CN107843597A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2890895Y (en) * | 2005-11-16 | 2007-04-18 | 西安工业大学 | Automatic recording interferometer for small molecule substance migration phenomenon in polymer system |
| KR20100033047A (en) * | 2008-09-19 | 2010-03-29 | 고려대학교 산학협력단 | Confocal microscopy |
| CN103048780A (en) * | 2012-11-08 | 2013-04-17 | 清华大学 | Continuous temperature-change polarizing microscope device |
| CN204166763U (en) * | 2014-10-30 | 2015-02-18 | 中国人民解放军装甲兵工程学院 | For demonstration and measurement liquid surface wave characteristic experimental provision |
| CN107209000A (en) * | 2015-01-30 | 2017-09-26 | 浜松光子学株式会社 | Interference observation device and interference observational technique |
| CN204576935U (en) * | 2015-05-11 | 2015-08-19 | 江南大学 | A kind of reading microscope facilitating interference to observe |
| CN107091794A (en) * | 2016-02-18 | 2017-08-25 | 上海梭伦信息科技有限公司 | A kind of apparatus and method of full-automatic testing surface free energy |
| CN105891207A (en) * | 2016-04-11 | 2016-08-24 | 中国石油大学(华东) | Microscopic feature test device and method for water drops in oil under actions of ultrasound and electric field |
| CN106053392A (en) * | 2016-05-19 | 2016-10-26 | 西北大学 | Device based on micro-nano fluid control reflection interference spectral imaging system and realization method |
| CN207636500U (en) * | 2017-12-13 | 2018-07-20 | 天津师范大学 | The device of air layer interference phenomenon between liquid level is not merged in a kind of observation |
Non-Patent Citations (1)
| Title |
|---|
| 车适 等: "振动诱导液滴与液面不融合现象的研究", 《大学物理》, vol. 31, no. 06, pages 1 - 4 * |
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