CN106057045A - Micro deformation multi-stage light amplification demonstration instrument - Google Patents
Micro deformation multi-stage light amplification demonstration instrument Download PDFInfo
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- CN106057045A CN106057045A CN201610589940.8A CN201610589940A CN106057045A CN 106057045 A CN106057045 A CN 106057045A CN 201610589940 A CN201610589940 A CN 201610589940A CN 106057045 A CN106057045 A CN 106057045A
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- glass box
- laser pen
- elastic metal
- metal sheet
- laser
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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 invention provides a micro deformation multi-stage light amplification demonstration instrument. As a teaching tool for physics, the instrument comprises a transparent box, a rotatable base, an elastic metal plate, a wire, a fixed pulley, a hook, a small lens, a laser pen, a smoke machine, a left side reflector, a right side reflector and a half-transparent screen, etc. The instrument, which functions under the principles of multi-stage light amplification, smoke display light tracing and vision persistence, has the micro-deformation of the elastic metal plate undergo multi-stage amplification and displayed in form of laser marked traces. The principles and the method of the invention are ingenious with the consequence that experiment can provide direct and obvious performances. Safe and reliable, the teaching tool is also of a scientific nature, bringing great convenience and fun to teaching.
Description
Technical field
The invention discloses a kind of miniature deformation multi-stage light amplifying demonstrator, relate to a kind of by the small shape of elastic metal sheet
Become and carry out " multi-stage light amplification " the experimental apparatus shown with laser optical track, belong to physical teaching aid.
Background technology
In physics teaching, it is a kind of important method that small amplification is beneficial to observe.The action effect of power for a moment
Object is made to deform upon, but the object that hardness is the biggest, its miniature deformation is less susceptible to be perceived as.The thing the biggest in order to confirm hardness
Body is the most also to deform upon, and miniature deformation " is amplified " to directly finding out, and teacher typically uses following normal
Rule method: put two sides plane mirror on a desk, allows beam of laser be reflected by this two sides plane mirror successively, is finally mapped to one
On plane mirror rule farther out and form a luminous point.When being firmly pressed downward against desktop, desktop can occur small deformation,
This time point can occur the most mobile on the scale.This standard protocol exists many not enough: (1) is in order to allow small shape
Becoming and have significantly " amplification ", need to allow distant to plane mirror of rule, teacher is often put into rule from dais farther out
Classroom after on wall: (2) experimental phenomena only sees the movement of a luminous point, it is impossible to see laser whole piece laser in communication process
The skew of light；(3) laser need to be mapped on rule at a distance, easily accidentally injures the eyes of student, the safest.
Summary of the invention
In order to solve above-mentioned deficiency, available multi-stage light amplification principle, smog display optical track principle and persistence of vision principle,
Design and a kind of the miniature deformation of elastic metal sheet is carried out " multi-stage light amplification " the experimental apparatus shown with laser optical track.This
Bright adopt the following technical scheme that a kind of miniature deformation multi-stage light amplifying demonstrator, including glass box, Rotatable base, elastic gold
Belong to plate, bracing wire, fixed pulley, hook code, little eyeglass, laser pen, aerosolizer, left side illuminator, right side illuminator and translucent screen
Deng, its specific features is: glass box specifically include glass box body, left side elliptical aperture, right side elliptical aperture, fixed pulley location hole,
Metallic plate bayonet socket, laser pen bayonet socket and black paper etc.；Described left side elliptical aperture is located at glass box body left surface lower half position, convenient
Device in glass box is operated, as adjusted laser pen angle, to aerosolizer igniting etc.；Described right side elliptical aperture is located at
Camera-lucida body right flank lower half position, conveniently operates the device in glass box, as first-class in hook code is suspended to bracing wire；Described
Black paper is pasted onto glass box trailing flank inwall as black background, allows laser beam optical track show and becomes apparent from.Rotatable base
It is contained in bottom glass box, can be used to rotating transparent case, convenient adjustment viewing angle.Elastic metal sheet lower end snaps at the bottom of glass box
In the metallic plate bayonet socket in face, elastic metal sheet upper end is unsettled, can be produced slight curves deformation by after bracing wire pulling force effect.Bracing wire one
End ties up to the upper end of elastic metal sheet, and the other end, with a hook, can be used to link up with code.Fixed pulley is fixed on glass box
At fixed pulley location hole, it is used for changing the direction of pull of bracing wire.The quality of hook code is that a few hectogram is advisable, and can be hooked in bracing wire.
Little eyeglass is pasted onto the upper end left surface of elastic metal sheet, can have small inclined with the small Bending Deformation of elastic metal sheet
Move.Laser pen includes laser pen body and laser pen base, and laser pen base is stuck in the laser pen bayonet socket of glass box, laser pen
The angle of body can freely adjust, and its laser beam sent can be mapped on little eyeglass and be reflected on the illuminator of left side.
Aerosolizer specifically includes cigarette case, cake and cigarette, and cigarette case, built with cake, can produce a small amount of cigarette after lighting, it is possible to visualise swash
The optical track of light light.Left side illuminator and right side illuminator are respectively adhered on left surface and the right flank of glass box, laser beam
Can between left side illuminator and right side illuminator multiple reflections back and forth.Translucent screen is attached to the position, right flank upper end of glass box
Put, specifically include screen body and coordinate scale.
The principle of the present invention is described as follows: during experiment, and the beam of laser allowing laser pen send is mapped to be pasted onto elasticity
On little eyeglass on metallic plate and be reflected to left side illuminator on, then between left side illuminator and right side illuminator back and forth
Eventually impinging after multiple reflections on translucent screen, its laser beam optical track can display in the cigarette that aerosolizer produces,
It can be seen that an incident ray and a plurality of reflection light in glass box.After hanging up hook code, elastic metal sheet is made at bracing wire pulling force
Small Bending Deformation can occur with lower and allow little eyeglass that small skew, now laser reflection after little lens reflecting occur
Light can offset up, and then between left side illuminator and right side illuminator, roundtrip number of times is the most, and reflection light is upwards
Offseting the most obvious, the laser bright spot on translucent screen also offsets up substantially simultaneously.When with quick-moving speed bracing wire repeatedly, bullet
Property metallic plate at miniature deformation and recover not stop between deformation conversion, now reflection light can not stop to offset back and forth, due to vision
Persist principle thus it can be seen that multiple " laser clear zones ".
Accompanying drawing explanation
Fig. 1 is the three-dimensional structure diagram that the present invention is overall；
Fig. 2 is the structural representation of the part of devices such as glass box in Fig. 1；
Fig. 3 is the structural representation of the parts such as Fig. 1 Elastic metallic plate；
Fig. 4 is principle and the dynamic effect schematic diagram of invention hook code method；
Fig. 5 is principle and the dynamic effect schematic diagram that the present invention pulls method repeatedly；
Fig. 6 is the principle description of flow diagram of the present invention；
The principle schematic of reflection light skew when Fig. 7 is present invention hook code method；
Fig. 8 is present invention principle schematic of reflection light skew when repeatedly pulling method；
Fig. 9 is static effects schematic diagram during elastic metal sheet undeformed of the present invention；
Figure 10 is the static effects schematic diagram after elastic metal sheet of the present invention deforms upon.
In figure: 1. glass box, it is specifically related on the left of 1a. glass box body, 1b. elliptical aperture on the right side of elliptical aperture, 1c., 1d. fixed
Pulley position hole, 1e. metallic plate bayonet socket, 1f. laser pen bayonet socket and the black paper of 1g.；2. Rotatable base；3. elastic metal sheet；4.
Bracing wire；5. fixed pulley；6. hook code；The least eyeglass；8. laser pen, is specifically related to 8a. laser pen body and 8b. laser pen base；
9. aerosolizer, is specifically related to 9a. cigarette case, 9b. cake and 9c. cigarette；10. illuminator on the left of；Illuminator on the right side of in the of 11.；12. is translucent
Screen, is specifically related to 12a. screen body and 12b. coordinate scale；13. laser beam optical tracks, be specifically related to 13a. incident ray,
Before 13b. deformation front-reflection light, 13c. deformation back reflection light, 13d. deformation, after bright spot, 13e. deformation, bright spot and 13f. " swash
Light clear zone "；14. handss；15. direction of pull；16. light offset directions.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
In conjunction with Fig. 1, Fig. 2 and Fig. 3, a kind of miniature deformation multi-stage light amplifying demonstrator, including glass box (1), the rotatable end
Seat (2), elastic metal sheet (3), bracing wire (4), fixed pulley (5), hook code (6), little eyeglass (7), laser pen (8), aerosolizer (9),
Left side illuminator (10), right side illuminator (11) and translucent screen (12) etc., its specific features is: glass box (1) specifically wraps
Include glass box body (1a), left side elliptical aperture (1b), right side elliptical aperture (1c), fixed pulley location hole (1d), metallic plate bayonet socket
(1e), laser pen bayonet socket (1f) and black paper (1g) etc.；Described left side elliptical aperture (1b) is located under glass box body (1a) left surface
Half position, conveniently operates the device in glass box, as adjusted laser pen (8) angle, to aerosolizer (9) igniting etc.；Institute
State right side elliptical aperture (1c) and be located at glass box body (1a) right flank lower half position, conveniently the device in glass box (1) is carried out
Operation, as first-class in hook code (6) is suspended to bracing wire (4)；Described black paper (1g) is pasted onto glass box (1) trailing flank inwall as black
Background, allows laser beam optical track show and becomes apparent from.Rotatable base (2) is contained in glass box (1) bottom, can be used to rotate thoroughly
Camera-lucida (1), convenient adjustment viewing angle.Elastic metal sheet (3) lower end snaps into the metallic plate bayonet socket (1e) of glass box (1) bottom surface
In, elastic metal sheet (3) upper end is unsettled, can be produced slight curves deformation by after bracing wire (4) pulling force effect.Bracing wire (4) one end is
In the upper end of elastic metal sheet (3), the other end, with a hook, can be used to link up with code (6).Fixed pulley (5) is fixed on
Fixed pulley location hole (1d) place of camera-lucida (1), is used for changing the direction of pull of bracing wire (4).The quality of hook code (6) is that a few hectogram is
Preferably, can be hooked in bracing wire (4).Little eyeglass (7) is pasted onto the upper end left surface of elastic metal sheet (3), can be with elastic metal sheet
(3) small Bending Deformation and have small skew.Laser pen (8) includes laser pen body (8a) and laser pen base (8b),
Laser pen base (8b) is stuck in the laser pen bayonet socket (1f) of glass box (1), and the angle of laser pen body (8a) can freely adjust,
Allow its laser beam sent can be mapped to little eyeglass (7) above and be reflected on left side illuminator (10).Aerosolizer (9) specifically wraps
Including cigarette case (9a), cake (9b) and cigarette (9c), cigarette case (9a), built with cake (9b), can produce a small amount of cigarette after lighting
(9c), it is possible to visualise the optical track of laser beam (13).Left side illuminator (10) and right side illuminator (11) are respectively adhered on transparent
The left surface of case (1) and right flank, laser beam (13) can between left side illuminator (10) and right side illuminator (11) back and forth
Multiple reflections.Translucent screen (12) is attached to the right flank upper end position of glass box (1), specifically include screen body (12a) and
Coordinate scale (12b).
In conjunction with Fig. 4, Fig. 5 and Fig. 6, the principle of the present invention is described as follows: during experiment, allow laser pen (8) sends one
The little eyeglass (7) that Shu Jiguang is mapped to be pasted onto on elastic metal sheet (3) above and is reflected on left side illuminator (10), then exists
Eventually impinging on translucent screen (12) after multiple reflections back and forth between left side illuminator (10) and right side illuminator (11), it is sharp
Light light optical track (13) can display in the cigarette (9c) that aerosolizer (9) produce, it can be seen that an incidence in glass box () 1
Light (13a) and a plurality of reflection light (13b).After hanging up hook code (6), elastic metal sheet (3) is under bracing wire (4) pulling force effect
Small Bending Deformation can occur and allow little eyeglass (7) that small skew occurs, now anti-after little eyeglass (7) reflects of laser
Penetrate light (13b, 13c) can offset up (16), then the most anti-between left side illuminator (10) and right side illuminator (11)
Penetrating number of times the most, reflection light (13b, 13c) offsets up the most obvious, the laser bright spot on translucent screen (12) simultaneously
(13d, 13e) also offsets up substantially, and concrete effect is shown in Fig. 4.When with hands (14) quickly bracing wire repeatedly (4), elastic metallic
Plate (3) is at miniature deformation and recovers not stop between deformation conversion, now reflects light (13b, 13c) and can not stop downward shift
(16), due to persistence of vision principle thus it can be seen that multiple " laser clear zone " (13f), concrete effect is shown in Fig. 5.
The present invention in use has hook code method and two kinds of demenstration methods such as fast hand traction therapy repeatedly, specifically introduces
As follows:
(1) hook code method lecture experiment
In conjunction with Fig. 4 and Fig. 7, during experiment, fix each device as requested, light the cake (9b) in aerosolizer (9) and send out
Go out a small amount of cigarette (9c) and be diffused into whole glass box (1), opening the laser beam that laser pen (8) allows it send and can be mapped to little eyeglass
(7) go up and be reflected on left side illuminator (10), then between left side illuminator (10) and right side illuminator (11) back and forth
Eventually impinge after multiple reflections on translucent screen (12).Now, it can be seen that an incident ray (13a) in glass box (1)
With a plurality of reflection light (13b).Then on hanging wire, hang up hook code (6), elastic metal sheet (3) meeting under the effect of bracing wire pulling force
There is small Bending Deformation and allow little eyeglass (7) that small skew occurs.At this point it is possible to see that laser is anti-through little eyeglass (7)
Reflection light (13b, 13c) after penetrating can offset up (16), then left side illuminator (10) and right side illuminator (11) it
Between roundtrip number of times the most, to offset up (16) the most obvious in reflection light (13b, 13c), eventually impinges translucent screen (12)
On laser bright spot (13d, 13e) also have skew clearly, concrete effect to see Fig. 4, Fig. 9 and Figure 10.
(2) fast hand traction therapy lecture experiment repeatedly
In conjunction with Fig. 5 and Fig. 8, during experiment, fix each device as requested, light aerosolizer (9) and open laser pen
(8).Now, it can be seen that an incident ray (13a) and a plurality of reflection light (13b) in glass box (1).Then with hands (14)
Firmly pull down bracing wire (4), now it can be seen that every reflection light (13b, 13c) all can offset up, eventually impinge semi-transparent
Laser bright spot (13d, 13e) on bright screen (12) also has offsetting up clearly.Followed by loose one's grip (14), now can see
(16) can be offset downward again to every reflection light and return to original position.When quickly repeatedly drawing elastic metal sheet (3) with hands (14),
Elastic metal sheet (3) is at miniature deformation and recovers not stop between deformation conversion, it can be seen that reflection light (13b, 13c) is ceaselessly gone up
The dynamic change of lower skew (16), due to persistence of vision principle thus it can be seen that multiple " laser clear zone " (12f), experimental phenomena is straight
Seeing substantially, concrete effect is shown in Fig. 5.
Compared with normal experiment method, there is advantage in this teaching aid: the translucent screen of (1) band coordinate scale need not be put into far
Place, only need to be placed on glass box top；(2) experimental phenomena does not only see the movement of a luminous point, it can be seen that multi-stripe laser light
The skew of line and multiple " laser clear zone ", experimental phenomena is the most obvious；(3) laser is not mapped to outside instrument, only at glass box
Interior roundtrip, will not accidentally injure the eyes of student, safe and reliable.
Visible, a kind of miniature deformation multi-stage light amplifying demonstrator of the present invention, utilize multi-stage light amplification principle, smog
Display optical track principle and persistence of vision principle, carry out the miniature deformation of elastic metal sheet " multi-stage light amplification " and use laser optical track
Showing, experimental principle and method are ingenious, and experimental phenomena is intuitively obvious, and instrument performance is safe and reliable, embodies the section of teaching aid
Learn property, pedagogical and interesting.
Claims (7)
1. a miniature deformation multi-stage light amplifying demonstrator, including glass box (1), Rotatable base (2), elastic metal sheet (3),
Bracing wire (4), fixed pulley (5), hook code (6), little eyeglass (7), laser pen (8), aerosolizer (9), left side illuminator (10), right side are anti-
Light microscopic (11) and translucent screen (12) etc..
Glass box the most according to claim 1 (1) and Rotatable base (2), is characterized in that: glass box (1) specifically includes
Glass box body (1a), left side elliptical aperture (1b), right side elliptical aperture (1c), fixed pulley location hole (1d), metallic plate bayonet socket (1e),
Laser pen bayonet socket (1f) and black paper (1g) etc.；Described left side elliptical aperture (1b) and right side elliptical aperture (1c) are respectively provided at glass box originally
Body (1a) left surface and right flank lower half position, conveniently operate the device in glass box, as adjusted laser pen (8) angle
Degree, to aerosolizer (9) igniting, that hook code (6) is suspended to bracing wire (4) is first-class；Described black paper (1g) is pasted onto glass box (1) trailing flank
Inwall, as black background, allows laser beam optical track show and becomes apparent from.Rotatable base (2) is contained in glass box (1) bottom, can
With for rotating transparent case (1), conveniently adjust viewing angle.
Elastic metal sheet the most according to claim 1 (3) and little eyeglass (7), is characterized in that: elastic metal sheet (3) lower end
Snapping in the metallic plate bayonet socket (1e) of glass box (1) bottom surface, elastic metal sheet (3) upper end is unsettled, after bracing wire (4) pulling force effect
Slight curves deformation can be produced.Little eyeglass (7) is pasted onto the upper end left surface of elastic metal sheet (3), can be with elastic metal sheet (3)
Small Bending Deformation and have small skew.
Bracing wire the most according to claim 1 (4), fixed pulley (5) and hook code (6), is characterized in that: bracing wire (4) one end ties up to
The upper end of elastic metal sheet (3), the other end, with a hook, can be used to link up with code (6).Fixed pulley (5) is fixed on transparent
Fixed pulley location hole (1d) place of case (1), is used for changing the direction of pull of bracing wire (4).The quality of hook code (6) is that a few hectogram is
Preferably, can be hooked in bracing wire (4).
Laser pen the most according to claim 1 (8) and aerosolizer (9), is characterized in that: laser pen (8) includes that laser pen is originally
Body (8a) and laser pen base (8b), laser pen base (8b) is stuck in the laser pen bayonet socket (1f) of glass box (1), and laser pen is originally
The angle of body (8a) can freely adjust, and its laser beam sent can be mapped to, and little eyeglass (7) is upper and to be reflected to left side reflective
On mirror (10).Aerosolizer (9) specifically includes cigarette case (9a), cake (9b) and cigarette (9c), and cigarette case (9a) is built with cake (9b), point
A small amount of cigarette (9c) can be produced, it is possible to visualise the optical track of laser beam (13) after combustion.
Left side the most according to claim 1 illuminator (10) and right side illuminator (11), is characterized in that: left side illuminator
(10) and right side illuminator (11) is respectively adhered on left surface and the right flank of glass box (1), laser beam (13) can be in left side
Multiple reflections back and forth between illuminator (10) and right side illuminator (11).
Translucent screen the most according to claim 1 (12), is characterized in that: translucent screen (12) is attached to glass box (1)
Right flank upper end position, specifically include screen body (12a) and coordinate scale (12b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610589940.8A CN106057045A (en) | 2016-07-16 | 2016-07-16 | Micro deformation multi-stage light amplification demonstration instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610589940.8A CN106057045A (en) | 2016-07-16 | 2016-07-16 | Micro deformation multi-stage light amplification demonstration instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106057045A true CN106057045A (en) | 2016-10-26 |
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ID=57417341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610589940.8A Pending CN106057045A (en) | 2016-07-16 | 2016-07-16 | Micro deformation multi-stage light amplification demonstration instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421485A (en) * | 2017-08-17 | 2017-12-01 | 潍坊学院 | A kind of laser optical lever measurement apparatus |
| CN107462163A (en) * | 2017-08-17 | 2017-12-12 | 潍坊学院 | Optical lever measurement apparatus |
| CN107607048A (en) * | 2017-09-20 | 2018-01-19 | 潍坊学院 | A kind of optical lever measurement apparatus |
| CN107742455A (en) * | 2017-11-07 | 2018-02-27 | 温州市龙湾区教师发展中心 | The apparatus for demonstrating of object miniature deformation |
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| CN107607048B (en) * | 2017-09-20 | 2019-12-03 | 潍坊学院 | A kind of optical lever measuring device |
| CN107742455A (en) * | 2017-11-07 | 2018-02-27 | 温州市龙湾区教师发展中心 | The apparatus for demonstrating of object miniature deformation |
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