CN203910131U - Light transmission, reflection and refraction tester - Google Patents
Light transmission, reflection and refraction tester Download PDFInfo
- Publication number
- CN203910131U CN203910131U CN201320093814.5U CN201320093814U CN203910131U CN 203910131 U CN203910131 U CN 203910131U CN 201320093814 U CN201320093814 U CN 201320093814U CN 203910131 U CN203910131 U CN 203910131U
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- light
- reflection
- incident
- angle
- refraction
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Abstract
A light transmission, reflection and refraction tester is disclosed and is formed by orderly connecting a pedestal, a light background screen, a laser gun support rack and a laser gun support rack rotating shaft. The tester is characterized in that a laser emitted by a laser gun irradiates onto a small flat mirror through an incident slit on the edge of a flange of the light background screen, a reflected light ray is projected onto a graduation line on the edge of the other side of the light background screen, a graduation reading is the degree of a reflection angle, and the degree of an incident angle can be read through an incident angle positioning slit; the tester can be used for light transmission, reflection and refraction experiments in a visually direct manner; the degrees of the incident angle, the reflection angle and a refraction angle can be read in a visually direct manner; that incident light and reflected light are positioned in the same plane can be verified.
Description
Affiliated technical field
The utility model relates to a kind of propagation, reflection of light, the tester of law of refraction, is the tester of propagation, reflection, refraction demonstration and the experiment that can carry out light, that is: the propagation of light, reflection, refraction experiment device.
Background technology
As everyone knows, the propagation of light in common medium, the route of process be sightless under normal conditions, therefore, in physics teaching, reflection of light, refraction angle is difficult to embody, existing pertinent instruments is all on wing flats " manufacture " two visible " bright line ", and two visible " bright lines " are defined as respectively to " incident ray " and " reflection ray ", then allow observation of students this two " bright line " draw reflection of light law content, scrutinize and will know, this method not only lacks general cogency, and, by rigid to visible " bright line " be defined as invisible " incident ray " and " reflection ray " also unreasonable, under this background, start the propagation of light, reflection, the research of refraction experiment device.
Summary of the invention
In order to solve propagation, the reflection of light, the present situation of refraction experiment device, the utility model provides a kind of propagation, reflection, refraction experiment device of light, utilize this tester can carry out easily propagation, reflection, law of refraction demonstration and the student experimenting of light, can read very intuitively incident angle, reflection angle and refraction angle.
The technical scheme in the invention for solving the technical problem is: base, light wing flats, laser gun support, laser gun, laser gun rotating shaft etc. are connected in turn, a tester base is set, on base on end one circular, with scale, edge is rolled over forward the light of certain angle wing flats, an incident gap is opened at the flanging edge of light wing flats top one side, for the light beam sending by laser gun; At opposite side, reflection scale mark is set, engraves the scale of 0 to 90 degree, for showing reflection angle; Opposite, incident gap, light wing flats bottom one side arranges refraction angle scale mark, draws the scale that has 0 to 90 degree, for reading refraction angle; The coaxial gap of opening a quadrant below incident gap, arranges scale mark at edge, gap, marks the corresponding scale of 0-90, is used for observing laser gun backing positions, shows tolerance incident angle; Be provided with facet mirror bracket and level crossing at the circle centre position at edge; Be carved with on the edge of reflection scale mark, be provided with the movable checking bar that can rotate around one end, in order to verify that incident light, reflected light and normal are in same plane; At the back side of light wing flats, centered by the center of circle, establish axle, the laser gun support that on axle, cover can rotate around the axis, fixed laser rifle on laser gun support.
The light that laser gun sends is irradiated on facet mirror by the incident gap on flanging edge, light wing flats edge, reflection ray projects on reflection scale mark, can determine reflection angle, change the size of incident angle, just can see that the size of reflection angle is also along with doing equal change; Change facet mirror into the semicircle transparent body, can read refraction angle from the refraction scale mark of lower edge, incident angle is located gap by incident angle and is read.
The beneficial effects of the utility model are: can clearly carry out propagation, reflection, the law of refraction experiment of light, in experiment, can read very intuitively incident angle, reflection angle and refraction angle.
Said smooth wing flats is semicircle, and central angle is 180 degree light wing flats.
Said smooth wing flats is 3/4ths circles, and central angle is 270 degree light wing flats.
Said smooth wing flats is round, and central angle is 360 degree light wing flats.
On said smooth wing flats flanging edge, have the incident finedraw of light.
Said smooth wing flats edge is provided with the activity bar that can rotate around one end rotating shaft.
Incident finedraw below on said smooth wing flats, is provided with gap, incident angle location.
Said smooth wing flats flanging edge is provided with reflection of light angle index line.
Said smooth wing flats flanging edge is provided with the refraction angle scale mark of light.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is propagation, the reflection of light, the front structural map of refraction experiment device the first embodiment.
Fig. 2 is propagation, the reflection of light, the vertical view of refraction experiment device embodiment.
Fig. 3 is the Facad structure figure of the second embodiment of the present utility model.
Fig. 4 is that the second embodiment of the present utility model verifies that incident, reflected light are at conplane activity bar structural drawing.
Fig. 5 is that the second enforcement checking incident of the present utility model, reflected light are at conplane activity bar sectional drawing.
Fig. 6 is the second embodiment light wing flats sectional drawing of the present utility model.
1. level crossings in figure, 2. base, 3.180 degree light wing flats, 4. normal, 5. laser gun, 6. gap, incident angle location, 7. smooth wing flats edge, 8. incident angle scale mark, 9. refraction angle scale mark, 10. reflection angle scale mark, 11. incident gaps, 12. checking incidents, reflected light are in conplane activity bar, 13.360 degree light wing flats, 14. laser gun rack shafts, 15. laser gun supports, 16. handles, 17. plane mirror holder holders.
Specific embodiment
The first embodiment: in Fig. 1, Fig. 2, level crossing (1), base (2), 180 degree light wing flats (3), laser guns (5), laser gun rack shaft (14), laser gun support (15), connected in turn, propagation, reflection, the refraction experiment device of formation light.
The laser that laser gun sends is irradiated on the facet mirror (1) on base by light incident gap (11), after being reflected, light projects on the flanging reflection angle scale mark (10) of light wing flats opposite side, read reflection angle from bright spot position, in incident angle scale mark (8) from edge, gap (6), incident angle location readable go out incident angle, the size that changes incident angle, reflection angle is also done the change equating.
The second embodiment: in Fig. 2, Fig. 3, level crossing (1), plane mirror holder holder (17), 360 degree light wing flats (13), laser gun rack shafts (14), laser gun support (15), laser gun (5), checking incident, reflected light are connected in turn at conplane activity bar (12), base (2), form propagation, reflection, the refraction experiment device of light.
The laser that laser gun sends is irradiated on facet mirror (1) by light incident gap (11), press lower handle (16), checking incident, reflected light lift in conplane activity bar (12), at this moment, on light wing flats, can't see the bright spot that reflected light produces, but really can see in conplane activity bar (12) at checking incident, reflected light, prove that with this incident, reflected light are in same plane.
Claims (7)
1. the propagation of a light, reflection, refraction experiment device, base, light wing flats, laser gun support, laser gun, laser gun rotating shaft are connected in turn, it is characterized in that: on tester base on end one circular, with scale, edge is rolled over forward the light of certain angle wing flats, an incident gap is opened at the flanging edge of light wing flats top one side, for the light beam sending by laser gun; At opposite side, reflection scale mark is set, engraves the scale of 0 to 90 degree, for showing reflection angle; Opposite, incident gap, light wing flats bottom one side arranges refraction angle scale mark, draws the scale that has 0 to 90 degree, for reading refraction angle; The coaxial gap of opening a quadrant below incident gap, arranges scale mark at edge, gap, marks the corresponding scale of 0-90, is used for observing laser gun backing positions, shows tolerance incident angle; Be provided with facet mirror bracket and level crossing at the circle centre position at edge; Be carved with on the edge of reflection scale mark, be provided with the movable checking bar that can rotate around one end, in order to verify that incident light, reflected light and normal are in same plane; At the back of the body picture of light wing flats, centered by the center of circle, establish axle, the laser gun support that on axle, cover can rotate around the axis, fixed laser rifle on laser gun support.
2. the propagation of light according to claim 1, reflection, refraction experiment device, is characterized in that: light wing flats flanging has incident gap on edge.
3. the propagation of light according to claim 1, reflection, refraction experiment device, is characterized in that: light wing flats flanging edge is provided with reflection of light angle index line and scale.
4. the propagation of light according to claim 1, reflection, refraction experiment device, is characterized in that: light wing flats edge is provided with the activity bar that can rotate around one end rotating shaft.
5. the propagation of light according to claim 1, reflection, refraction experiment device, is characterized in that: incident finedraw below on light wing flats, is provided with incident angle gap, location and incident angle scale mark.
6. the propagation of light according to claim 1, reflection, refraction experiment device, is characterized in that: light wing flats flanging edge is provided with refraction angle scale mark and the scale of light.
7. the propagation of light according to claim 1, reflection, refraction experiment device, is characterized in that: on light wing flats, be provided with checking incident, reflected light in conplane activity bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320093814.5U CN203910131U (en) | 2013-02-21 | 2013-02-21 | Light transmission, reflection and refraction tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320093814.5U CN203910131U (en) | 2013-02-21 | 2013-02-21 | Light transmission, reflection and refraction tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203910131U true CN203910131U (en) | 2014-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320093814.5U Expired - Fee Related CN203910131U (en) | 2013-02-21 | 2013-02-21 | Light transmission, reflection and refraction tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203910131U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107331264A (en) * | 2017-09-11 | 2017-11-07 | 董逸翔 | Bevel gear reflected refraction is polarized Teaching instrument |
-
2013
- 2013-02-21 CN CN201320093814.5U patent/CN203910131U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107331264A (en) * | 2017-09-11 | 2017-11-07 | 董逸翔 | Bevel gear reflected refraction is polarized Teaching instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20190221 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |