CN202996151U - Light reflection demonstration device for teaching - Google Patents
Light reflection demonstration device for teaching Download PDFInfo
- Publication number
- CN202996151U CN202996151U CN 201320065404 CN201320065404U CN202996151U CN 202996151 U CN202996151 U CN 202996151U CN 201320065404 CN201320065404 CN 201320065404 CN 201320065404 U CN201320065404 U CN 201320065404U CN 202996151 U CN202996151 U CN 202996151U
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- China
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- light
- light path
- imaging plate
- laser emitter
- path imaging
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Abstract
The utility model discloses a light reflection demonstration device for teaching, which relates to a teaching demonstration device. A light path imaging plate is vertically and fixedly connected to an upper surface of a weight base, a transparent water tank is fixed on the front side of the light path imaging plate; the transparent water tank is transparent, the left side of the transparent water tank is a semi-cylindrical surface, the cylindrical axis of the semi-cylindrical surface is perpendicular with the light path imaging plate; an annular body is arranged on the left lower side of the transparent water tank and fixedly connected with one plate on the left side of the light path imaging plate, a laser emitter goes toward the lower part of the semi-cylindrical surface of the transparent water tank, the tail end of the laser emitter is arranged in the annular body, a locking screw is connected on the annular body, and the inner end of the locking screw is against the surface of the laser emitter. The light reflection demonstration device solves the problems of the existing light total-reflection demonstration device for teaching that the use cost is high, and the use process is not convenient. The light reflection demonstration device can show the light in the water is totally reflected for many times, which is the principle of an optical fiber, so that students can easily understand.
Description
Technical field
The utility model relates to teaching demonstration device, is specifically related to light reflection demonstrating device in optics teaching.
Background technology
The device of existing teaching demonstration all reflective light is to be radiated on the glass prism with beam of laser or incandescent light, the phenomenon of sight glass to light generation total reflection.The light source that uses in the experiment of such device is CO2 laser instrument or powerful halogen light, and the use cost of these two kinds of devices is higher, and uses inconvenient.
The utility model content
It is higher that the utility model provides teaching to use light reflection demonstrating device, the utility model to solve the device use cost of existing teaching demonstration light total reflection, and inconvenient problem with use.
For addressing the above problem, the utility model adopts following technical scheme: the light reflection demonstrating device is used in teaching, is made of laser emitter 1, annular solid 2, lock-screw 3, light path imaging plate 4, transparent tank 5 and counterweight pedestal 6;
Described counterweight pedestal 6 is rectangular slab structures, and counterweight pedestal 6 is horizontally disposed with; Light path imaging plate 4 vertically is fixedly connected on above counterweight pedestal 6, and transparent tank 5 is fixed in light path imaging plate 4 front sides;
Described transparent tank 5 is transparent cell bodies, and transparent tank 5 left sides are semi-cylindrical 5-1, and the cylinder axis of semi-cylindrical 5-1 is vertical with light path imaging plate 4;
Annular solid 2 is positioned at transparent tank 5 lower-left sides, annular solid 2 is fixedly connected on a plate body in light path imaging plate 4 left sides, laser emitter 1 is towards the bottom of the semi-cylindrical 5-1 of transparent tank 5, the tail end of laser emitter 1 is arranged in annular solid 2, be connected with a lock-screw 3 on annular solid 2, lock-screw 3 the inners withstand on laser emitter 1 surface.
Physics teaching described in the utility model light reflection demonstrating device, one-piece construction is simple, and is easy for operation, when can demonstrate refraction, the total reflection of light, the phenomenon of total reflection repeatedly occurs in demonstration light in water, this is fibre-optic optical principle namely, makes the student easily understand.
Description of drawings
Fig. 1 is the utility model structural representation.
Symbol description in figure: laser emitter 1, annular solid 2, lock-screw 3, light path imaging plate 4, transparent tank 5, semi-cylindrical 5-1, counterweight pedestal 6.
Embodiment
The below is described in detail the utility model with best embodiment.
As shown in Figure 1, the light reflection demonstrating device is used in teaching, is made of laser emitter 1, annular solid 2, lock-screw 3, light path imaging plate 4, transparent tank 5 and counterweight pedestal 6;
Described counterweight pedestal 6 is rectangular slab structures, and counterweight pedestal 6 is horizontally disposed with; Light path imaging plate 4 vertically is fixedly connected on above counterweight pedestal 6, and transparent tank 5 is fixed in light path imaging plate 4 front sides;
Described transparent tank 5 is transparent cell bodies, and transparent tank 5 left sides are semi-cylindrical 5-1, and the cylinder axis of semi-cylindrical 5-1 is vertical with light path imaging plate 4;
Annular solid 2 is positioned at transparent tank 5 lower-left sides, annular solid 2 is fixedly connected on a plate body in light path imaging plate 4 left sides, laser emitter 1 is towards the bottom of the semi-cylindrical 5-1 of transparent tank 5, the tail end of laser emitter 1 is arranged in annular solid 2, be connected with a lock-screw 3 on annular solid 2, lock-screw 3 the inners withstand on laser emitter 1 surface.Be provided with rubber ring in annular solid, by loosening lock-screw, rotate laser emitter, and then screw lock-screw, the angle of adjustment laser emitter that can be micro-is to be fit to the requirement of laser demonstration.
Described counterweight pedestal adopts thick sheet metal to make, and makes one-piece construction stable.Be incorporated with distilled water in transparent tank.The front panel of transparent tank, side plate and base plate adopt colourless transparent material to make, and the backboard of transparent tank adopts white material to make, so that demonstration light can stay light path.
The ejaculation light of laser emitter is towards the semi-cylindrical of transparent tank, and laser beam is injected water from the arcwall face below, and laser can repeated multiple times generation total reflection between the upper and lower interface of water, thereby stays the index path of next column triangular waveform on white backboard.
The utility model one-piece construction is simple, and is easy for operation, can be in the refraction of demonstrating light, total reflection, and the phenomenon of total reflection repeatedly occurs in demonstration light in water, and this is fibre-optic optical principle namely.
It should be noted that at last: obviously, above-described embodiment is only for the utility model example clearly is described, and is not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all embodiments exhaustive.And the apparent variation of being amplified out thus or change still are among protection domain of the present utility model.
Claims (1)
1. the light reflection demonstrating device is used in teaching, it is characterized in that, is made of laser emitter (1), annular solid (2), lock-screw (3), light path imaging plate (4), transparent tank (5) and counterweight pedestal (6);
Described counterweight pedestal (6) is the rectangular slab structure, and counterweight pedestal (6) is horizontally disposed with; Light path imaging plate (4) vertically is fixedly connected on above counterweight pedestal (6), and transparent tank (5) is fixed in light path imaging plate (4) front side;
Described transparent tank (5) is transparent cell body, is semi-cylindrical (5-1) on the left of transparent tank (5), and the cylinder axis of semi-cylindrical (5-1) is vertical with light path imaging plate (4);
Annular solid (2) is positioned at transparent tank (5) lower-left side, annular solid (2) is fixedly connected on a plate body in light path imaging plate (4) left side, laser emitter (1) is towards the bottom of the semi-cylindrical (5-1) of transparent tank (5), the tail end of laser emitter (1) is arranged in annular solid (2), be connected with a lock-screw (3) on annular solid (2), lock-screw (3) the inner withstands on laser emitter (1) surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320065404 CN202996151U (en) | 2013-01-04 | 2013-01-04 | Light reflection demonstration device for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320065404 CN202996151U (en) | 2013-01-04 | 2013-01-04 | Light reflection demonstration device for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202996151U true CN202996151U (en) | 2013-06-12 |
Family
ID=48567298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320065404 Expired - Fee Related CN202996151U (en) | 2013-01-04 | 2013-01-04 | Light reflection demonstration device for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202996151U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104916193A (en) * | 2015-06-25 | 2015-09-16 | 陕西师范大学 | Hot and cold water mixing process dynamic display and thermal equilibrium time measurement method |
| CN104933930A (en) * | 2015-06-25 | 2015-09-23 | 陕西师范大学 | Demonstration device for bending direction of light ray in negative gradient temperature field and experimental method |
| CN104933932A (en) * | 2015-06-25 | 2015-09-23 | 陕西师范大学 | Demonstration device for bending direction of light ray in positive gradient temperature field and experimental method |
-
2013
- 2013-01-04 CN CN 201320065404 patent/CN202996151U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104916193A (en) * | 2015-06-25 | 2015-09-16 | 陕西师范大学 | Hot and cold water mixing process dynamic display and thermal equilibrium time measurement method |
| CN104933930A (en) * | 2015-06-25 | 2015-09-23 | 陕西师范大学 | Demonstration device for bending direction of light ray in negative gradient temperature field and experimental method |
| CN104933932A (en) * | 2015-06-25 | 2015-09-23 | 陕西师范大学 | Demonstration device for bending direction of light ray in positive gradient temperature field and experimental method |
| CN104916193B (en) * | 2015-06-25 | 2017-05-17 | 陕西师范大学 | Hot and cold water mixing process dynamic display and thermal equilibrium time measurement method |
| CN104933930B (en) * | 2015-06-25 | 2017-07-11 | 陕西师范大学 | Bending of light direction apparatus for demonstrating and experimental method in negative gradient temperature field |
| CN104933932B (en) * | 2015-06-25 | 2017-10-20 | 陕西师范大学 | Light bending direction apparatus for demonstrating and experimental method in positive gradient temperature field |
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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: 20130612 Termination date: 20160104 |