CN107886824A - A kind of optical total-reflection apparatus for demonstrating - Google Patents
A kind of optical total-reflection apparatus for demonstrating Download PDFInfo
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- CN107886824A CN107886824A CN201711442903.5A CN201711442903A CN107886824A CN 107886824 A CN107886824 A CN 107886824A CN 201711442903 A CN201711442903 A CN 201711442903A CN 107886824 A CN107886824 A CN 107886824A
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- infrared emission
- bar
- emission switch
- sliding block
- transmitting terminal
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/22—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for optics
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- Optics & Photonics (AREA)
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Abstract
The present invention provides a kind of optical total-reflection apparatus for demonstrating,Right guide rail,Left rail is fixedly mounted on worktable upper surface,Sliding block on right guide rail is corresponded to and connected by connecting rod two-by-two with the sliding block on left rail,Bar retainer is each provided with above each sliding block,Put above each two retainer to bar made of transparent material,Right side in the middle part of right guide rail is provided with infrared emission switch transmitting terminal,Left side in the middle part of left rail is provided with infrared emission switch receiving terminal,Infrared emission switchs transmitting terminal and infrared emission switch receiving terminal is in sustained height and is higher than sliding block,Arc shaped slider can slide along arc chute,Screw rod is fixedly welded on arc shaped slider upper surface,Generating laser is arranged on above screw rod,The optical total-reflection apparatus for demonstrating of the present invention,It can not only demonstrate when light injects transparent material with different incidence angles and total emission phenomenon whether occurs；When can also demonstrate light with the different transparent materials of same incidence angle injection, if total emission phenomenon occurs.
Description
Technical field
The present invention relates to the principles of science demonstration instrument field, and in particular to a kind of optical total-reflection apparatus for demonstrating.
Background technology
Total reflection, also known as total internal reflection, when referring to light the interface of optically thinner medium is mapped to by optically denser medium, all it is reflected back toward original
Phenomenon in medium.Total reflection phenomenon is a kind of important optical phenomena, is the important knowledge point of Middle School Physics.At present, it is all-trans
Penetrating apparatus for demonstrating has a lot, and still, also whether no can not only demonstrate when light injects transparent material with different incidence angles is sent out
Raw total emission phenomenon, can also demonstrate when light injects different transparent materials with same incidence angle total emission phenomenon whether occurs
Apparatus for demonstrating.
The content of the invention
The present invention provides a kind of optical total-reflection apparatus for demonstrating, including：Workbench, right guide rail, sliding block, left rail, glass
Rod, quartz pushrod, crystal rod, infrared emission switch transmitting terminal, infrared emission switch transmitting terminal support frame, infrared emission switch receive
End, infrared emission switch receiving terminal support frame, arc chute, generating laser, bar retainer, arc shaped slider, lower regulation spiral shell
Female, upper adjusting nut, screw rod, connecting rod.
Further, right guide rail, left rail are fixedly mounted on worktable upper surface, have on right guide rail three pieces can be along the right side
The sliding block that guide rail slides, there is three pieces of sliding blocks that can be slided along left rail on left rail, sliding block and left rail on right guide rail
On sliding block two-by-two correspond to and connected by connecting rod so that the sliding block at connecting rod both ends can only synchronous slide.On each sliding block
Side is each provided with bar retainer, is put above each two retainer to bar made of transparent material, and three bars are mutual
Parallel, three bars are glass bar, quartz pushrod, crystal rod respectively.
Further, the right side in the middle part of right guide rail is provided with infrared emission switch transmitting terminal, and the left side in the middle part of left rail is set
Infrared emission switch receiving terminal is equipped with, infrared emission switch transmitting terminal and infrared emission switch receiving terminal are in sustained height and height
In sliding block.
Further, infrared emission switch transmitting terminal switchs transmitting terminal support frame by infrared emission and is fixed on workbench
On, infrared emission switchs receiving terminal and switchs the fixation of receiving terminal support frame on the table by infrared emission.
Further, when bar retainer is moved between infrared emission switch transmitting terminal and infrared emission switch receiving terminal
Position when, infrared emission switch receiving terminal does not receive the infrared ray that sends of infrared emission switch transmitting terminal, and system prompt has
Bar reach specify experimental site, when infrared emission switch receiving terminal receive infrared emission switch transmitting terminal send it is infrared
Line, system prompt do not have bar to be at specified experimental site, in the case where no bar is in and specified at experimental site, are
System control generating laser can not obtain electric.
Arc chute is semicircle, and arc shaped slider can slide along arc chute, and screw rod is fixedly welded on arc shaped slider
Upper surface, generating laser are arranged on above screw rod, and lower adjusting nut, generating laser top are provided with below generating laser
Adjusting nut is provided with, it is necessary to when adjusting the height of generating laser, unscrews upper adjusting nut, then revolves lower adjusting nut
Corresponding height is screwed to, sets the launch angle of generating laser so that the laser alignment sent specifies the bar at experimental site
Left side, then tighten adjusting nut.
In use, sliding slider so that glass bar, quartz pushrod or crystal rod reach infrared emission switch transmitting terminal and red
Outside to penetrating the position between switch receiving terminal, system prompt has bar to be at specified experimental site, slides arc shaped slider and reaches
Specified location, it is highly identical with bar to adjust the height of generating laser, adjusts the angles of generating laser so that send
Generating laser transmitting terminal point to specify experimental site at bar left side, start generating laser, laser is with one
Determine angle and inject bar.
When carrying out lecture experiment, a bar is placed at specified experimental site, adjusts the position of arc shaped slider, demonstration is not
With total emission phenomenon whether occurs during incidence angle；Or the position of fixed arc shaped slider, it is placed into from different bars specified
At experimental site, observe in the case of same incidence angle, whether light can all occur total emission phenomenon in different bars.
Beneficial effects of the present invention are as follows：The optical total-reflection apparatus for demonstrating of the present invention, can not only demonstrate light with not
Total emission phenomenon whether occurs when injecting transparent material with incidence angle；It is different with the injection of same incidence angle that light can also be demonstrated
During transparent material, if total emission phenomenon occurs.
Brief description of the drawings
A kind of top view of optical total-reflection apparatus for demonstrating of Fig. 1-present invention.
A kind of front view of optical total-reflection apparatus for demonstrating of Fig. 2-present invention.
Embodiment
With reference to embodiment, the present invention is further illustrated.Wherein, being given for example only property of accompanying drawing illustrates,
What is represented is only schematic diagram, rather than pictorial diagram, it is impossible to is interpreted as the limitation to this patent；In order to which the reality of the present invention is better described
Example is applied, some parts of accompanying drawing have omission, zoomed in or out, and do not represent the size of actual product；To those skilled in the art
For, some known features and its explanation may be omitted and will be understood by accompanying drawing.
Same or analogous label corresponds to same or analogous part in the accompanying drawing of the embodiment of the present invention；In retouching for the present invention
In stating, it is to be understood that if it is based on accompanying drawing to have the orientation of the instructions such as term " on ", " under ", "left", "right" or position relationship
Shown orientation or position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply meaning
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore position relationship described in accompanying drawing
Term being given for example only property explanation, it is impossible to the limitation to this patent is interpreted as, for the ordinary skill in the art, can
To understand the concrete meaning of above-mentioned term as the case may be.
Embodiment.
A kind of optical total-reflection apparatus for demonstrating, including：Workbench 1, right guide rail 2, sliding block 3, left rail 4, glass bar 5, stone
English rod 6, crystal rod 7, infrared emission switch transmitting terminal 8, infrared emission switch transmitting terminal support frame 81, infrared emission switch receive
End 9, infrared emission switch receiving terminal support frame 91, arc chute 10, generating laser 11, bar retainer 12, arc shaped slider
13rd, lower adjusting nut 14, upper adjusting nut 15, screw rod 16, connecting rod 17.
Right guide rail 2, left rail 4 are fixedly mounted on the upper surface of workbench 1, have on right guide rail 2 three pieces can be along right guide rail
The sliding block 3 of slip, there is three pieces of sliding blocks 3 that can be slided along left rail on left rail 4, on the sliding block and left rail on right guide rail
Sliding block two-by-two correspond to and connected by connecting rod 17 so that the sliding block at the both ends of connecting rod 17 can only synchronous slide.Each sliding block
Top is each provided with bar retainer 12, and the top of each two retainer 12 is put to bar made of transparent material, and three rods
Material is parallel to each other.Three bars are glass bar 5, quartz pushrod 6, crystal rod 7 respectively.
The right side at the middle part of right guide rail 2 is provided with infrared emission switch transmitting terminal 8, and the left side at the middle part of left rail 4 is provided with red
Outside to penetrating switch receiving terminal 9, infrared emission switchs transmitting terminal 8 and is fixed on work by infrared emission switch transmitting terminal support frame 81
On platform 1, infrared emission switchs receiving terminal 9 and is fixed on by infrared emission switch receiving terminal support frame 91 on workbench 1.It is infrared right
Penetrate switch transmitting terminal 8 and infrared emission switch receiving terminal 9 is in sustained height and is higher than sliding block 3.
When the position that bar retainer 12 is moved between infrared emission switch transmitting terminal 8 and infrared emission switch receiving terminal 9
When putting, infrared emission switch receiving terminal 9 does not receive the infrared ray that infrared emission switch transmitting terminal 8 is sent, and system prompt has rod
Expect up to specify experimental site, when infrared emission switch receiving terminal 9 receive infrared emission switch transmitting terminal 8 send it is infrared
Line, system prompt do not have bar to be at specified experimental site, in the case where no bar is in and specified at experimental site, are
System control generating laser 11 can not obtain electric.
Arc chute 10 is semicircle, and arc shaped slider 13 can be slided along arc chute 10, and screw rod 16 is fixedly welded on
The upper surface of arc shaped slider 13, generating laser 11 are arranged on the top of screw rod 16, and the lower section of generating laser 11 is provided with lower regulation spiral shell
Mother 14, the top of generating laser 11 are provided with adjusting nut 15, it is necessary to when adjusting the height of generating laser 11, unscrew up-regulation
Nut 15 is saved, lower adjusting nut 14 is then screwed to corresponding height, sets the launch angle of generating laser 11 so that send
Laser alignment specify experimental site at bar left side, then tighten adjusting nut 15.
The optical total-reflection apparatus for demonstrating application method of the present invention is as follows：Sliding slider 3 so that glass bar 5, quartz pushrod 6
Or crystal rod 7 reaches the position between infrared emission switch transmitting terminal 8 and infrared emission switch receiving terminal 9, system prompt has
Bar, which is in, specifies at experimental site, slides arc shaped slider 13 and reaches specified location, adjusts the height and rod of generating laser 11
Material is highly identical, adjusts the angles of generating laser 11 so that the transmitting terminal of the generating laser 11 sent, which points to, specifies
The left side of bar at experimental site, start generating laser 11, laser α at a certain angle（The angle [alpha] is by arc shaped slider 13
Position determine）Inject bar.
During experiment, a bar is placed at specified experimental site, adjusted by adjusting the position of arc shaped slider 13
The size of angle [alpha], total emission phenomenon whether occurs when demonstrating different incidence angles.The position of arc shaped slider 13 can also be fixed, is selected
It is placed at specified experimental site, is observed in the case of same incidence angle, light is in different bars with different bars
Whether total emission phenomenon can all be occurred.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (2)
1. a kind of optical total-reflection apparatus for demonstrating, including：Workbench, right guide rail, sliding block, left rail, glass bar, quartz pushrod, water
Crystal bar, infrared emission switch transmitting terminal, infrared emission switch receiving terminal, arc chute, generating laser, bar retainer, arc
Shape sliding block, lower adjusting nut, upper adjusting nut, screw rod, connecting rod, it is characterised in that：Right guide rail, left rail are fixedly mounted on work
Make platform upper surface, there are three pieces of sliding blocks that can be slided along right guide rail on right guide rail, there are three pieces can be led along a left side on left rail
The sliding block that rail slides, the sliding block on right guide rail are corresponded to and connected by connecting rod two-by-two with the sliding block on left rail so that connection
The sliding block at bar both ends can only synchronous slide.Bar retainer is each provided with above each sliding block, is put above each two retainer
To bar made of transparent material, and three bars are parallel to each other, and three bars are glass bar, quartz pushrod, crystal rod respectively；It is right
Right side in the middle part of guide rail is provided with infrared emission switch transmitting terminal, and the left side in the middle part of left rail is provided with infrared emission switch and received
End, infrared emission switch transmitting terminal and infrared emission switch receiving terminal are in sustained height and are higher than sliding block, when bar retainer
During the position being moved between infrared emission switch transmitting terminal and infrared emission switch receiving terminal, infrared emission switch receives termination
The infrared ray that infrared emission switch transmitting terminal is sent is can not receive, system prompt has bar to reach specified experimental site, when infrared right
Penetrate switch receiving terminal and receive the infrared ray that infrared emission switch transmitting terminal is sent, system prompt does not have bar to be in specified experiment
Opening position, in the case where no bar is in and specified at experimental site, system control generating laser can not obtain electric.Arc is slided
Groove is semicircle, and arc shaped slider can slide along arc chute, and screw rod is fixedly welded on arc shaped slider upper surface, Laser emission
Device is arranged on above screw rod, and lower adjusting nut is provided with below generating laser, regulation spiral shell is provided with above generating laser
Mother unscrews upper adjusting nut, it is necessary to when adjusting the height of generating laser, then by lower regulation nut driving to corresponding height,
Set the launch angle of generating laser so that the laser alignment sent specifies the left side of the bar at experimental site, then
Tighten adjusting nut.In use, sliding slider so that glass bar, quartz pushrod or crystal rod reach infrared emission switch hair
The position penetrated between end and infrared emission switch receiving terminal, system prompt have bar to be at specified experimental site, slide arc
Sliding block reaches specified location, and it is highly identical with bar to adjust the height of generating laser, adjusts the angles of generating laser,
So that the transmitting terminal of the generating laser sent points to the left side for specifying the bar at experimental site, start generating laser,
Laser injects bar at a certain angle.
A kind of 2. optical total-reflection apparatus for demonstrating as claimed in claim 1, it is characterised in that：Infrared emission switch transmitting terminal leads to
Cross infrared emission switch transmitting terminal support frame to fix on the table, infrared emission switchs receiving terminal and connect by infrared emission switch
Receiving end support frame is fixed on the table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711442903.5A CN107886824B (en) | 2017-12-27 | 2017-12-27 | Optical total reflection demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711442903.5A CN107886824B (en) | 2017-12-27 | 2017-12-27 | Optical total reflection demonstration device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107886824A true CN107886824A (en) | 2018-04-06 |
| CN107886824B CN107886824B (en) | 2020-12-04 |
Family
ID=61772563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711442903.5A Active CN107886824B (en) | 2017-12-27 | 2017-12-27 | Optical total reflection demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107886824B (en) |
Cited By (2)
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| CN108648586A (en) * | 2018-05-07 | 2018-10-12 | 芜湖博创新能源科技有限公司 | A kind of photoelectric display education informations experimental bench |
| CN109030225A (en) * | 2018-06-29 | 2018-12-18 | 中国电建集团中南勘测设计研究院有限公司 | A kind of equipment for observing Rockmass fractures in the test of hydraulic fracturing crustal stress in real time |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109030225A (en) * | 2018-06-29 | 2018-12-18 | 中国电建集团中南勘测设计研究院有限公司 | A kind of equipment for observing Rockmass fractures in the test of hydraulic fracturing crustal stress in real time |
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| Publication number | Publication date |
|---|---|
| CN107886824B (en) | 2020-12-04 |
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