CN209560829U - Spectrum analysis demonstrator - Google Patents
Spectrum analysis demonstrator Download PDFInfo
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- CN209560829U CN209560829U CN201821801944.9U CN201821801944U CN209560829U CN 209560829 U CN209560829 U CN 209560829U CN 201821801944 U CN201821801944 U CN 201821801944U CN 209560829 U CN209560829 U CN 209560829U
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- polaroid
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- rectangular
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Abstract
The utility model discloses a kind of spectrum analysis demonstrators, comprising: guide assembly, light source assembly, incandescent lamp, LED red globe lamp, sodium vapor lamp and deuterium lamp, polaroid component, optical component package, single patch, double slit piece, grating and monochromator, Sample assemblies, optical screen component, ultraviolet-visible detector；The utility model has and can quickly explain to different physical phenomenons, to realize the function of comparative test, and optical element will not be touched, improve the service life of optical element and instrument, qualitative analysis can also be carried out to substance other than demonstration improve the learning interest of student by the knowledge use acquired into practice, and the structure of demonstrator is simple, and manufacturing cost is cheap.
Description
Technical field
The utility model relates to teaching appliance fields.More specifically, the utility model relates to a kind of spectrum analysis demonstrations
Instrument.
Background technique
Spectrum analysis is Optical Courses required in senior middle school and College Physics, therefore can well, conveniently be demonstrated out
Experiment effect plays a multiplier effect to the indoctrination session of student, if can be by the knowledge use now acquired to actual utilization
In, it can even more evoke student to the interest of Physics Learning, in the prior art, pair that the demonstrator of spectrum analysis all can only be single
One phenomenon is tested, and needs replacing optical element when needing to carry out other lecture experiments, but optical element right and wrong
Chang Jingmi's, ideal effect can not be obtained, secondly, as demonstration because artificial repeatedly touching causes experimental error to increase
Instrument is only capable of showing experimental phenomena that the interest of student can not be lifted, only when the thing acquired is committed to ability in practice
The enthusiasm of study is improved, but existing spectroanalysis instrument is sufficiently expensive, hundreds of thousands, is not that each middle school can be born easily
?.
Summary of the invention
One purpose of the utility model is to solve at least the above problems, and provide the advantages of at least will be described later.
The utility model is to provide spectrum analysis demonstrator there are one purpose, can be quickly existing to different physics
As explaining, to realize comparative test, understanding of the student to physical concept will be deepened, and optical element will not be touched,
The service life of optical element and instrument is improved, and qualitative analysis can also be carried out to substance other than demonstration, will be learned
To knowledge use substantially increase the learning interest of student into practice, and the structure of demonstrator is simple, compares accurate
It is cheap for spectroanalysis instrument.
In order to realize these purposes and other advantages according to the present utility model, a kind of spectrum analysis demonstrator is provided,
Include:
Spectrum analysis demonstrator characterized by comprising
Guide assembly comprising horizontally disposed rectangular slab, rectangular slab upper surface central axis are equipped with and the square
The square through hole for being arranged at intervals with three slide units on the isometric sliding slot of shape plate, the sliding slot, running through the rectangular slab vertically, it is described
Through-hole is arranged along rectangular slab width direction, and the square through hole and the sliding slot connectivity part are provided with plugging plate, so that described
The inner wall of square through hole is rectangle, four edges of the rectangular slab bottom surface, the guide rail close to the through-hole quadrangle
Bottom surface is arranged with contour bracket；
Light source assembly comprising coaxial set on the supercentral first rotating shaft of short side side wall of the rectangular slab, level vertically
It is fixedly arranged on the turntable on the first rotating shaft top and four light sources on the turntable, wherein the shaft and the square
The rotation connection of shape plate short side side wall, the diameter of the light source turntable is shorter than the rectangle board width, and four light sources, which are located at, to be turned
At the circumference quartering point at disk top surface edge, four light sources are respectively incandescent lamp, LED red globe lamp, sodium vapor lamp and deuterium lamp；
Polaroid component comprising be vertically located in the Y type telescoping shoring column of a wherein slide unit upper surface, be set to the Y
The polaroid on type telescoping shoring column top, wherein the polaroid is vertical with the sliding slot；
Optical component package comprising horizontally disposed second shaft, the cylinder plate being coaxially socketed with second shaft,
Four optical elements being embedded in the cylinder plate, wherein second shaft vertically rotate be set between a pair of of plugging plate and
Close to rectangular slab upper surface central axis, the diameter of the cylinder plate is less than the long back gauge of the square through hole, described
The pillar height of cylinder plate is less than the short side distance of the square through hole, when rotating the cylinder plate around the second shaft not with the side
Shape through-hole contacts, and is symmetrically arranged with four levels for running through cylinder plate in the cylinder plate disk on two mutually perpendicular diameter lines
Through-hole, so that four optical elements are embedded on the cylinder plate by four horizontal through hole, four optical element difference
For single patch, double slit piece, grating and monochromator；
Sample assemblies, including the fixed company in the cuboid sample to be tested pond being vertically arranged and sample to be tested bottom of pond face
It the firm banking that connects, the horizontal plate body being connect with the firm banking, the horizontal plate body of connection and another slide unit and is vertically arranged
Telescopic strut, wherein the firm banking is equal in magnitude with sample to be tested bottom of pond face, the firm banking lower surface
It is externally threaded equipped with a cylindrical outer wall band that inner sidewall band internal screw thread cylindrical groove, level board body centre of surface are equipped at center
Cylindrical projection, the cylindrical groove are threadedly coupled with the cylindrical projection；
Optical screen component comprising with the rectangular plate body of the texturearunaperpendicular, same with the central axis of the rectangular plate body
The vertical telescoping shoring column of axis connection, the darkroom that can be set on entire guide assembly, wherein the telescoping shoring column other end
Be fixedly connected with a remaining slide unit, be provided in the rectangular plate body with the rectangular plate body etc. it is big it is ultraviolet-can
Light-exposed detection screen, the detection screen are circumscribed with ultraviolet-visible detector；
Wherein, the light source assembly, polaroid component, optical component package, Sample assemblies, optical screen component are in same straight line
On, and be arranged successively.
Preferably, the polaroid is circle, and the Y type bracket is in contact with lower half of circumference of the polaroid,
And the Y type bracket is provided with the groove with the polaroid uniform thickness, the polaroid with the position of the polaroid to connect
Sandwiched in the groove, and can circumferentially rotating along the polaroid.
Preferably, described be respectively equipped with to the upper surface of test sample platform and the bottom surface of the firm banking attracts each other
Magnetic sheet.
Preferably, the radial line two sides in each center of optical element to the cylinder plate center of circle be respectively equipped with a strip with
The parallel limited block of the radial line, the limited block are not contacted with the side wall of the square through hole, the central upper portion of the plugging plate
Place is respectively equipped with vertical column, and the deck contact with the cylinder plate, the cylinder plate do not cross center of circle radial line two to the column
The limited block of side can block the column to limit the rotation of the cylinder plate.
Preferably, the ultraviolet-visible light detection screen is the photodiode of array arrangement.
Preferably, the sample to be tested pond is made of using quartz glass.
Preferably, the darkroom is the cuboid cover that can stretch along long side, the short side of the cuboid cover
The vertical rectangular slab in face, and one end on the rectangular slab far from light source assembly is set.
The utility model is include at least the following beneficial effects:
1, by the way of turntable by multiple optical element combinations together, can be on the basis of not touching optical element
Efficiently replacement experiment, improves the service life of optical element；
2, using simple instrument, qualitative spectrum analysis is realized, so that the interest of experiment has obtained greatly mentioning
It rises；
3, the utility model structure is simple, and assembly operation is convenient, and manufacturing cost is cheap.
The further advantage, target and feature of the utility model will be partially reflected by the following instructions, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of spectrum analysis demonstrator described in the utility model one of which technical solution；
Fig. 2 is cylinder plate side structure schematic diagram described in the utility model one of which technical solution；
Fig. 3 is the top view at cylinder plate position on guide assembly described in the utility model one of which technical solution；
Fig. 4 is sample to be tested pool structure schematic diagram described in the utility model one of which technical solution.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art referring to explanation
Book text can be implemented accordingly.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of a other elements or combinations thereof.
As shown in Figs 1-4, the utility model provides a kind of spectrum analysis demonstrator, comprising:
Guide assembly comprising horizontally disposed rectangular slab, rectangular slab upper surface central axis are equipped with and the square
Three slide units are arranged at intervals on the isometric sliding slot of shape plate, the sliding slot, the direction of the slide unit along the chute is slided to adjust position
It sets, is arranged vertically through the square through hole of the rectangular slab, the through-hole along rectangular slab width direction, the square through hole and institute
It states sliding slot connectivity part and is provided with plugging plate, the plugging plate is rectangle, so that the inner wall of the square through hole is smooth, it is described
Four edges of rectangular slab bottom surface are arranged with contour bracket close to the guide rail bottom surface of the square through hole quadrangle, with
Support entire rectangular slab；
Light source assembly comprising coaxial set on the supercentral first rotating shaft of short side side wall of the rectangular slab, level vertically
It is fixedly arranged on the turntable on the first rotating shaft top and four light sources on the turntable, wherein the turntable is located at described
The upper end of rectangular slab, the replacement of light source is realized by rotation turntable, and the shaft passes through a set of with the rectangular slab short side side wall
The bearing being located in the shaft realizes rotation connection, and the outer wall of the bearing and the rectangular slab short side sidewall horizontal are affixed,
The diameter of the light source turntable is shorter than the rectangle board width, and four light sources are located at the circumference quartering at turntable top surface edge
At point, four light sources are respectively incandescent lamp, LED red globe lamp, sodium vapor lamp and deuterium lamp；
Polaroid component comprising be vertically located in the Y type telescoping shoring column of a wherein slide unit upper surface, be set to the Y
The polaroid on type telescoping shoring column top, wherein the connection type of the polaroid and two free end of Y type telescoping shoring column
For sandwiched or inserted, the polaroid is vertical with the sliding slot；
Optical component package comprising horizontally disposed second shaft, the cylinder plate being coaxially socketed with second shaft,
Four optical elements being embedded in the cylinder plate vertically, wherein second shaft, which vertically rotates, is set to a pair of of plugging plate
Between and close to rectangular slab upper surface central axis, the diameter of the cylinder plate is less than the long back gauge of the square through hole,
The pillar height of the cylinder plate is less than the short side distance of the square through hole, and is greater than the thickness of four optical elements, makes institute
State when cylinder plate is rotated around the second shaft and do not contacted with the square through hole, in the cylinder plate disk two it is mutually perpendicular straight
Four horizontal through hole for running through cylinder plate are symmetrically arranged on radial line, the outer profile of the horizontal through hole is than four optical elements
Outer profile it is bigger so that four optical elements are embedded in by four horizontal through hole on the cylinder plate and in the circle
Relative displacement does not occur when rotating for column disk, and four optical elements are respectively single patch, double slit piece, grating and monochromator；
Sample assemblies, including the fixed company in the cuboid sample to be tested pond being vertically arranged and sample to be tested bottom of pond face
It the firm banking that connects, the horizontal plate body being connect with the firm banking, the horizontal plate body of connection and another slide unit and is vertically arranged
Telescopic strut, wherein the central axis of the long side side wall in the sample to be tested pond and the rectangular slab, the firm banking
It is equal in magnitude with sample to be tested bottom of pond face, it is tapped that an inner sidewall is equipped at the center of the firm banking lower surface
Cylindrical groove, horizontal plate body upper surface center be equipped with an externally threaded cylindrical projection of cylindrical outer wall band, the cylindrical groove with
The cylindrical projection is connected through a screw thread；
Optical screen component comprising with the rectangular plate body of the texturearunaperpendicular, same with the central axis of the rectangular plate body
The vertical telescoping shoring column of axis connection, the darkroom that can be set on entire guide assembly, wherein the darkroom can make entirely to demonstrate
Instrument is in the environment of dark, and the telescoping shoring column other end is fixedly connected with a remaining slide unit, described rectangular
The ultraviolet-visible light detection screen big with the rectangular plate body etc. is provided on shape plate body, the detection screen is in the prior art
The output end of the photomultiplier tube of array arrangement, the detection screen is connected with ultraviolet-visible detector, the ultraviolet-visible
The output end of photodetector is connected with a display screen, and the detection screen is ultraviolet with ultraviolet-uisible spectrophotometer in the prior art
The detecting element of visible light is identical, and the ultraviolet-visible detector corresponds to ultraviolet-uisible spectrophotometer in the prior art
Ultraviolet-visible detector；
Wherein, the light source assembly, polaroid component, optical component package, Sample assemblies, optical screen component are in same straight line
On, and be arranged successively；
There are two types of the application methods of the utility model, a kind of for demonstration optical property, first by light source, polaroid, to
The optical element used, including single patch, double slit piece or grating, optical screen setting adjustment on the same line, it is red to open LED
The switch of light lamp, so that light becomes Unidirectional light by multidirectional light by polaroid, the distance for then adjusting optical screen finds energy obviously
At the position of phase, if feel naked eyes do not see it is clear if can open ultraviolet-visible detector, pass through the figure on viewing screen
As and shown in light intensity observe light and dark red streak, can also then replace sodium vapor lamp and observe sodium light on teaching material
The interference diffraction image of lamp can observe colour on optical screen or screen when rotation light source turntable is adjusted to incandescent lamp
Streak line；
Another kind is the experiment of observational measurement sample to be tested, and light source turntable is rotated on the basis of original device, adjusts light
Source is deuterium lamp, and monochromator is adjusted in optical path by rotation cylinder plate, will place the blank of solution to be measured in sample to be tested pond first
The sample to be tested pond is installed on horizontal plate body by solution, is adjusted the height in sample to be tested pond and rectangular plate body, is made light
Source, polaroid, optical element, Sample assemblies, optical screen component cover on said elements on same straight line, and with a darkroom
In darkroom, the detection screen of ultraviolet-visible detector is set to be able to detect that stable light intensity, and record reading, it then will be to test sample
Blank solution in product pond is replaced with testing sample solution, then measures to light intensity, light intensity at this time is read, according to configuration
The concentration of solution to be measured can be calculated the absorbance of solution to be measured by Beer-Lambert Law, then by searching in the lambda1-wavelength
The substance of lower corresponding absorbance is any, therefore obtains the type of substance, has so far just obtained experimental result, using the technology
Scheme can quickly explain different physical phenomenons, to realize comparative test, will deepen student to physical concept
Understanding, and optical element will not be touched, improve the service life of optical element and instrument, and in addition to demonstrate it is outer and also
Qualitative analysis can be carried out to substance and substantially increase the learning interest of student by the knowledge use acquired into practice, and
And the structure of demonstrator is simple, compares cheap for accurate spectroanalysis instrument.
In another technical solution, the polaroid is circle, lower half of circumference of the Y type bracket and the polaroid
It is in contact, and the Y type bracket is provided with the groove with the polaroid uniform thickness with the position of the polaroid to connect, it is described
Polaroid sandwiched in the groove, and can circumferentially rotating along the polaroid, using the technical solution, so that polaroid
Using it is more convenient flexibly, be conveniently adjusted the direction of polarization light.
It is described to be respectively equipped with phase to the upper surface of test sample platform and the bottom surface of the firm banking in another technical solution
The magnetic sheet mutually attracted is kept the connection of sample to be tested pond and firm banking more firm, is placed on to be measured using the technical solution
Sample to be tested pond is caused to be toppled over when sample position is moved.
In another technical solution, the radial line two sides in each center of optical element to the cylinder plate center of circle are respectively equipped with one
The strip limited block parallel with the radial line, the limited block are not contacted with the side wall of the square through hole, the plugging plate
Vertical column is respectively equipped at central upper portion, the deck contact with the cylinder plate, the cylinder plate be not excessively round for the column
The limited block of cardiac diameter two sides can block the column to limit the rotation of the cylinder plate, when rotating cylinder plate, whenever
When one optical element goes to vertical sliding slot, column can be blocked by two limited blocks adjacent on cylinder plate, so that cylinder plate
Rotation is restricted, and when removing rotation cylinder plate with biggish power again, cylinder plate can be detached from limitation, continue to rotate, using the skill
Art scheme, so that it is more stable when being tested using optical element, it will not be generated on cylinder plate because of optical element relatively
It is mobile to cause to demonstrate or test to generate error.
In another technical solution, the ultraviolet-visible light detection screen is the photodiode of array arrangement, using the skill
Art scheme, so that becoming apparent compared to original photomultiplier tube detection effect, the conclusion obtained is more accurate.
In another technical solution, the sample to be tested pond, using the technical solution, can be made using quartz glass
Incident light maximum ratio passes through sample to be tested pond without being absorbed, and improves the accuracy rate of conclusion.
In another technical solution, the darkroom is the cuboid cover that can stretch along long side, the cuboid cover
The vertical rectangular slab in short side, and one end on the rectangular slab far from light source assembly is set, using the technical side
Case, can optionally cover experiment component, on the one hand save the occupied area of instrument, another aspect darkroom and
Instrument, which can be integrated, can effectively prevent darkroom loss.
Number of devices and treatment scale described herein are the explanations for simplifying the utility model.To the utility model
The application of spectrum analysis demonstrator, modifications and variations will be readily apparent to persons skilled in the art.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (7)
1. spectrum analysis demonstrator characterized by comprising
Guide assembly comprising horizontally disposed rectangular slab, rectangular slab upper surface central axis are equipped with and the rectangular slab
The square through hole for being arranged at intervals with three slide units on isometric sliding slot, the sliding slot, running through the rectangular slab vertically, the through-hole
It is arranged along rectangular slab width direction, the square through hole and the sliding slot connectivity part are provided with plugging plate, so that described rectangular
The inner wall of through-hole is rectangle, four edges of the rectangular slab bottom surface, the guide rail bottom surface close to the through-hole quadrangle
It is arranged with contour bracket；
Light source assembly comprising coaxial fixed set on the supercentral first rotating shaft of short side side wall of the rectangular slab, level vertically
In the turntable on the first rotating shaft top and four light sources on the turntable, wherein the shaft and the rectangular slab
The rotation connection of short side side wall, the diameter of the turntable is shorter than the rectangle board width, and four light sources are located at turntable top surface side
At the circumference quartering point on edge, four light sources are respectively incandescent lamp, LED red globe lamp, sodium vapor lamp and deuterium lamp；
Polaroid component comprising be vertically located in a wherein slide unit upper surface Y type telescoping shoring column, be set to the Y type can
The polaroid on telescope support top, wherein the polaroid is vertical with the sliding slot；
Optical component package comprising horizontally disposed second shaft, is inlayed the cylinder plate being coaxially socketed with second shaft
Four optical elements in the cylinder plate, wherein second shaft vertically rotates between a pair of of plugging plate and close
Rectangular slab upper surface central axis, the diameter of the cylinder plate are less than the long back gauge of the square through hole, the cylinder
The pillar height of disk is less than the short side distance of the square through hole, rectangular does not lead to described when rotate the cylinder plate around the second shaft
Hole contacts, and is symmetrically arranged with four levels through cylinder plate on two mutually perpendicular diameter lines in the cylinder plate disk and leads to
Hole, so that four optical elements are embedded on the cylinder plate by four horizontal through hole, four optical elements are respectively
Single patch, double slit piece, grating and monochromator；
Sample assemblies, including be vertically arranged cuboid sample to be tested pond, be fixedly connected with sample to be tested bottom of pond face
It firm banking, the horizontal plate body being connect with the firm banking, the horizontal plate body of connection and another slide unit and is vertically arranged flexible
Strut, wherein the firm banking is equal in magnitude with sample to be tested bottom of pond face, at the center of the firm banking lower surface
An externally threaded cylinder of cylindrical outer wall band is equipped with equipped with inner sidewall band internal screw thread cylindrical groove, horizontal plate body upper surface center
Protrusion, the cylindrical groove are threadedly coupled with the cylindrical projection；
Optical screen component comprising connect with the rectangular plate body of the texturearunaperpendicular and the central axis of the rectangular plate body
The vertical telescoping shoring column connect, the darkroom that can be set on entire guide assembly, wherein the telescoping shoring column other end and surplus
A remaining slide unit is fixedly connected, and the ultraviolet-visible light big with the rectangular plate body etc. is provided in the rectangular plate body
Detection screen, detection screen is circumscribed with ultraviolet-visible detector；
Wherein, the light source assembly, polaroid component, optical component package, Sample assemblies, optical screen component on the same line,
And it is arranged successively.
2. spectrum analysis demonstrator as described in claim 1, which is characterized in that the polaroid is circle, the Y type bracket
Be in contact with lower half of circumference of the polaroid, and the Y type bracket and the position of the polaroid to connect be provided with
The groove of the polaroid uniform thickness, the polaroid sandwiched in the groove, and can circumferentially rotating along the polaroid.
3. spectrum analysis demonstrator as described in claim 1, which is characterized in that the upper surface to test sample platform and described solid
The bottom surface for determining pedestal is respectively equipped with the magnetic sheet to attract each other.
4. spectrum analysis demonstrator as described in claim 1, which is characterized in that each center of optical element to the cylinder plate
The radial line two sides in the center of circle are respectively equipped with the strip limited block parallel with the radial line, the limited block not with the square through hole
Side wall contact, be respectively equipped with vertical column at the central upper portion of the plugging plate, the column not with the cylinder plate
Deck contact, the limited block that the cylinder plate crosses center of circle radial line two sides can block the column to limit turning for the cylinder plate
It is dynamic.
5. spectrum analysis demonstrator as described in claim 1, which is characterized in that the detection screen of the ultraviolet-visible light is battle array
Arrange the photodiode of arrangement.
6. spectrum analysis demonstrator as described in claim 1, which is characterized in that the sample to be tested pond is using quartz glass
It is made.
7. spectrum analysis demonstrator as described in claim 1, which is characterized in that the darkroom is the length that can stretch along long side
Cube cover, the short side of the cuboid cover vertically rectangular slab, and setting separate light source on the rectangular slab
One end of component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821801944.9U CN209560829U (en) | 2018-11-02 | 2018-11-02 | Spectrum analysis demonstrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821801944.9U CN209560829U (en) | 2018-11-02 | 2018-11-02 | Spectrum analysis demonstrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209560829U true CN209560829U (en) | 2019-10-29 |
Family
ID=68300479
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821801944.9U Expired - Fee Related CN209560829U (en) | 2018-11-02 | 2018-11-02 | Spectrum analysis demonstrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209560829U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112652215A (en) * | 2020-12-14 | 2021-04-13 | 河北省地质实验测试中心 | Experimental science popularization demonstration device by spectrophotometry |
-
2018
- 2018-11-02 CN CN201821801944.9U patent/CN209560829U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112652215A (en) * | 2020-12-14 | 2021-04-13 | 河北省地质实验测试中心 | Experimental science popularization demonstration device by spectrophotometry |
| CN112652215B (en) * | 2020-12-14 | 2022-08-05 | 河北省地质实验测试中心 | Experimental science popularization demonstration device by spectrophotometry |
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Granted publication date: 20191029 Termination date: 20201102 |