CN108241886A - A kind of counter of measurable interferometer aperture dynamic change - Google Patents
A kind of counter of measurable interferometer aperture dynamic change Download PDFInfo
- Publication number
- CN108241886A CN108241886A CN201611217513.3A CN201611217513A CN108241886A CN 108241886 A CN108241886 A CN 108241886A CN 201611217513 A CN201611217513 A CN 201611217513A CN 108241886 A CN108241886 A CN 108241886A
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- CN
- China
- Prior art keywords
- digital
- counter
- light tight
- dynamic change
- control device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02083—Interferometers characterised by particular signal processing and presentation
- G01B9/02089—Displaying the signal, e.g. for user interaction
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
- G06M1/00—Design features of general application
- G06M1/27—Design features of general application for representing the result of count in the form of electric signals, e.g. by sensing markings on the counter drum
- G06M1/272—Design features of general application for representing the result of count in the form of electric signals, e.g. by sensing markings on the counter drum using photoelectric means
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a kind of counter of measurable interferometer aperture dynamic change, including photo resistance, rubber vacuum sucker, light tight cylinder, voltage amplifier circuit, analog-digital commutator, control device, digital tube display device, DC power supply, wherein：Photo resistance is placed in light tight cylinder bosom；Light tight cylinder is connected with rubber vacuum sucker；Photo resistance is connected by voltage signal amplifying circuit with analog-digital commutator；Analog-digital commutator is connected with control device；Control device is connected with digital tube display device；DC power supply provides voltage for digital analog converter and control device；The counter of measurable interferometer aperture dynamic change provided by the invention can mitigate the eyes fatigue for the experimenter for doing interference experiment, can also reduce experiment required time and can improve experiment accuracy rate.
Description
Technical field
The present invention relates to electronic measurement technique, more particularly, to a kind of counting of measurable interferometer aperture dynamic change
Device.
Background technology
At present, not yet mass selling has the device counted automatically to interferometer aperture in the market, so being done
It relates in experiment, needs to carry out artificial counting to interference aperture, and artificial counting its shortcoming is：Eyes easily cause fatigue, real
It is longer to test the middle time spent in counting process, and accuracy is not high, and therefore, how to design a counter is people in the art
Member's urgent problem to be solved.
Invention content
Present invention aims at a kind of counter of measurable interferometer aperture dynamic change is provided, to solve above-mentioned technology
Problem.
The used in order to solve the above problem technical solution of the present invention is：The present invention provides a kind of measurable interferometer apertures to move
The counter of state variation, including photo resistance, rubber vacuum sucker, light tight cylinder, voltage signal amplifying circuit, analog-to-digital conversion
Device, control device, digital tube display device, DC power supply, wherein：
The photo resistance is placed in the light tight cylinder bosom；The light tight cylinder and the rubber vacuum sucker phase
Even；The photo resistance is connected by the voltage signal amplifying circuit with the analog-digital commutator；The analog-to-digital conversion dress
It puts and is connected with the control device；The control device is connected with the digital tube display device；The DC power supply is described
Digital analog converter provides voltage with the control device.
Preferably, as a kind of embodiment, the photo resistance is placed in the light tight cylinder bosom, by dynamic
The aperture of state variation generates periodically variable voltage.
Preferably, as a kind of embodiment, the rubber vacuum sucker can be by the light tight cylinder and interferometer
Film viewing screen is connected.
Preferably, as a kind of embodiment, the light tight cylinder is connected with the rubber vacuum sucker.
Preferably, as a kind of embodiment, the voltage amplifier circuit amplification is connected with the analog-digital commutator.
Preferably, as a kind of embodiment, the analog-digital commutator is connected with the control device.
Preferably, as a kind of embodiment, the control device is connected with the digital tube display device.
Preferably, as a kind of embodiment, the digital tube display device is three seven segment digital tubes.
Preferably, as a kind of embodiment, the DC power supply is 6v DC power supplies, can be accumulator.
Compared with prior art, this have the advantage that：
A kind of counter of measurable interferometer aperture dynamic change provided by the invention, mainly there is photo resistance, rubber vacuum
Sucker, light tight cylinder, voltage signal amplifying circuit, analog-digital commutator, control device, digital tube display device, direct current
The structure compositions such as source, analysis above structure are understood：Above-mentioned photo resistance is placed in above-mentioned light tight cylinder bosom, is become by dynamic
The aperture of change generates periodically variable voltage, wherein light tight cylinder can greatly reduce interference of the ambient light to measurement result,
Above-mentioned light tight cylinder can be connected by above-mentioned rubber vacuum sucker with interferometer film viewing screen, make above-mentioned photo resistance and above-mentioned impermeable
Light cylinder comes from the electricity of above-mentioned photo resistance as a complete light signal acquisition device, above-mentioned voltage amplifier circuit amplification
Signal is pressed, and is connected with above-mentioned analog-digital commutator, above-mentioned analog-digital commutator is connected with above-mentioned control device, wherein above-mentioned
Analog voltage signal is converted to the available digital signal of above-mentioned control device by analog-digital commutator, above-mentioned control device again with it is upper
It states digital tube display device to be connected, above-mentioned charactron is three seven segment digital tubes, can be used to display counting result.
The counter of a kind of measurable interferometer aperture dynamic change provided in an embodiment of the present invention, by photo resistance, rubber
Glue vacuum cup, light tight cylinder, voltage signal amplifying circuit, analog-digital commutator, control device, digital tube display device,
DC power supply etc. design rational in infrastructurely with framework together with, can provide conveniently, mitigate real to carry out the experimenter of interference experiment
The use asthenopia for the person of testing reduces the time that aperture counting is spent in experimentation, and has also correspondingly improved experiment just
True rate.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of structural representation of the counter of measurable interferometer aperture dynamic change provided in an embodiment of the present invention
Figure；
Fig. 2 is a kind of structure diagram of the counter of measurable interferometer aperture dynamic change provided in an embodiment of the present invention；
Reference numeral：
| 1 light inlet | 2 light tight cylinders | 3 photo resistance |
| 4 rubber vacuum suckers | 5 digital tube display devices | 6 analog-digital commutators |
| 7 control devices |
Specific embodiment
Technical scheme of the present invention is purged below in conjunction with attached drawing, is fully described by, it is clear that described implementation
Example is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instructions such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Convenient for the description present invention and simplify description rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected with by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
The present invention is described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.
Referring to Fig. 1, a kind of counter of measurable interferometer aperture dynamic change provided by the invention, including light tight circle
Cylinder 2, photo resistance 3, rubber vacuum sucker 4, digital tube display device 5；
Below the photo resistance 3 is embedded in the light tight cylinder 2；The rubber vacuum sucker 4 is connected to described impermeable
Below light cylinder 2；Numeral method device device 5 is connected to the counter surface of square.
Above structure is analyzed to understand：When needing using the counter by rubber vacuum sucker and interferometer film viewing screen phase
Even, stabilized light source can preferably be obtained；Photo resistance is placed in light tight cylinder interior, and photo resistance is made to be in a dark situation,
The interference of extraneous veiling glare is preferably avoided, it is made only to be influenced by interference aperture, improves the accuracy of measurement；From photosensitive
The voltage signal of resistance is through voltage amplifier circuit, can will on digital tube display device after analog-digital commutator and control device
Measurement result is presented on user at the moment.
In concrete scheme, a kind of counter of measurable interferometer aperture dynamic change provided in an embodiment of the present invention,
Middle photo resistance is placed in light tight cylinder bosom, periodically variable voltage is generated by the aperture of dynamic change, wherein not
Light transmission cylinder can greatly reduce interference of the ambient light to measurement result, above-mentioned rubber vacuum sucker can by above-mentioned light tight cylinder with
Interferometer film viewing screen is connected, and makes above-mentioned photo resistance and above-mentioned light tight cylinder as a complete light signal acquisition device,
Measurement result is finally presented through circuit structure in voltage signal on digital tube display device, can reduce user in this way and do and interfere
The experimental period of experiment and raising experiment accuracy rate, and can play the role of mitigating experiment asthenopia.
Below to a kind of specific knot of the counter of measurable interferometer aperture dynamic change provided in an embodiment of the present invention
Structure, which is done, to be described in detail：
The circuit structure of the counter of above-mentioned measurable interferometer aperture dynamic change is DC power supply, light signal collection dress successively
It puts, voltage amplifier circuit, analog-digital commutator, control device, digital tube display device（With reference to figure 2）.
Preferably, above-mentioned direct current power source voltage is 6v, can be accumulator.
Wherein digital tube display device is three seven segment digital tubes so that user can be clearly observed measured value, separately
Outside, light inlet 1 is the light inlet of light signal acquisition device.
A kind of counter of measurable interferometer aperture dynamic change provided in an embodiment of the present invention, it is simple with device,
The characteristics of practical and convenient, can mitigate the use asthenopia of experimenter, reduce the time that aperture counting is spent in experimentation, again
It can play the role of improving experiment accuracy.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution recorded in foregoing embodiments either to which part or all technical features into
Row equivalent replacement；And these modifications or replacement, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (4)
1. a kind of counter of measurable interferometer aperture dynamic change, it is characterised in that：It is inhaled including photo resistance, rubber vacuum
Disk, light tight cylinder, voltage amplifier circuit, analog-digital commutator, control device, digital tube display device, DC power supply,
In：The photo resistance is placed in the light tight cylinder bosom；The light tight cylinder is connected with the rubber vacuum sucker；
The photo resistance is connected by the voltage signal amplifying circuit with the analog-digital commutator；The analog-digital commutator with
The control device is connected；The control device is connected with the digital tube display device；The DC power supply is the digital-to-analogue
Converter provides voltage with the control device.
2. it can measure the counter of interferometer aperture dynamic change according to claim 1, which is characterized in that the photosensitive electricity
Resistance is placed in the light tight cylinder bosom, and periodically variable voltage is generated by the aperture of dynamic change.
3. it can measure the counter of interferometer aperture dynamic change according to claim 1, which is characterized in that the rubber is true
The light tight cylinder can be connected by suction disk with interferometer film viewing screen.
4. it can measure the counter of interferometer aperture dynamic change according to claim 1, which is characterized in that described light tight
Cylinder is connected with the rubber vacuum sucker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611217513.3A CN108241886A (en) | 2016-12-26 | 2016-12-26 | A kind of counter of measurable interferometer aperture dynamic change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611217513.3A CN108241886A (en) | 2016-12-26 | 2016-12-26 | A kind of counter of measurable interferometer aperture dynamic change |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108241886A true CN108241886A (en) | 2018-07-03 |
Family
ID=62704990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611217513.3A Pending CN108241886A (en) | 2016-12-26 | 2016-12-26 | A kind of counter of measurable interferometer aperture dynamic change |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108241886A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110864628A (en) * | 2019-10-23 | 2020-03-06 | 东北大学 | Double-light-source micro-displacement measuring method |
-
2016
- 2016-12-26 CN CN201611217513.3A patent/CN108241886A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110864628A (en) * | 2019-10-23 | 2020-03-06 | 东北大学 | Double-light-source micro-displacement measuring method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180703 |