CN201274116Y - Demonstrator for reflection, refraction and perfect reflection of light - Google Patents
Demonstrator for reflection, refraction and perfect reflection of light Download PDFInfo
- Publication number
- CN201274116Y CN201274116Y CNU2008201644947U CN200820164494U CN201274116Y CN 201274116 Y CN201274116 Y CN 201274116Y CN U2008201644947 U CNU2008201644947 U CN U2008201644947U CN 200820164494 U CN200820164494 U CN 200820164494U CN 201274116 Y CN201274116 Y CN 201274116Y
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- laser
- glass jar
- reflection
- plane mirror
- refraction
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Abstract
The utility model relates to a demonstrator for reflection, refraction and total reflection of the light, comprising a base, a glass jar, a glass jar cover, a power supply, a power switch, a plane reflector, a dial plate, a laser small flashlight, an adjustable laser small flashlight fixed frame, a rotatable plane mirror, a plane mirror bracket, a laser with a lens and a laser switch. The plane reflector is arranged at the bottom part of the glass jar; the dial plate is arranged on an observing surface in the glass jar; the glass jar cover is provided with an adjustable laser small flashlight fixed frame; the rotatable plane mirror is arranged on the plane mirror bracket; the laser with the lens is arranged beside the plane mirror bracket at one side of the base; and the side of the glass jar is provided with an water outlet which is provided with a rubber stopper. The demonstrator has the advantages of convenient operation, obvious experimental phenomenon and strong practicability, and can respectively demonstrate the reflection, the refraction and the total reflection of the light and the like.
Description
Technical field
The utility model relates to a kind of middle school physical experiment instrument, and is especially relevant with the total reflection demonstration device with reflection of light, refraction.
Background technology
Reflection of light, refraction and total reflection phenomenon and relevant law are the important knowledge in the physics teaching in secondary school, require to do some little experiments, carry out Inquiry Learning.But, do some little experiments with the light beam of electric torch in the teaching material, too simple rough, the propagation phenomenon of light is obvious inadequately, often will remedy with the method for geometric construction.
Summary of the invention
It is reasonable that the purpose of this utility model provides a kind of design science, and a tractor serves several purposes is easy to operate, and experimental phenomena is obvious, and is practical, can demonstrate respectively light reflection of light, refraction and the total reflection demonstration device of reflection, refraction and total reflection phenomenon.
For achieving the above object, the utility model is achieved through the following technical solutions.Reflection of light, refraction and total reflection demonstration device, comprise base, glass jar, the glass cylinder cap, power supply, power switch, plane mirror, fan figure index dial, laser small flashlight, adjustable laser small flashlight fixed mount, rotatable level crossing, the level crossing support, band lens laser device and laser instrument switch, glass jar is located on the base, the glass cylinder cap covers on glass jar, plane mirror is located at the glass jar bottom, and fan figure index dial is located on the interior sightingpiston of glass jar, covers at glass jar and is provided with adjustable laser small flashlight fixed mount, the laser small flashlight is located on the adjustable laser small flashlight fixed mount, level crossing props up and is erected on the base, and rotatable level crossing is located on the level crossing support, and band lens laser device is located at by the base one side plane mirror support, the laser instrument switch is connected with band lens laser device, power supply and power switch are communicated with the laser small flashlight, have water delivering orifice in the glass jar side, are provided with rubber stopper on water delivering orifice.
Described reflection of light, refraction and total reflection demonstration device, its fan figure index dial transposing is circle diagram shape index dial.
Described reflection of light, refraction and total reflection demonstration device also comprise the tinfoil paper diffuse reflector, and the tinfoil paper diffuse reflector replaces plane mirror to be located at the glass jar bottom.
The utility model compared with prior art has following beneficial effect: (one) makes light source with the red laser that has collector lens, and light path is clear; (2) be one of the glass jar that lid is arranged, can fill smog in the cylinder, another time can add the little suds of concentration, makes phenomenon more obvious; (3) be to come reflection ray with movable level crossing, incident angle is adjustable continuously, changes in order the refraction and the total reflection phenomenon of demonstration bright dipping; (4) be configuration second mate's index dial and two catoptrons, demonstrate reflection of light, diffuse reflection, refraction and total reflection phenomenon; (5) be that glass jar one side has a water delivering orifice, laser beam takes out rubber stopper over against the water delivering orifice place, can continue to observe the total reflection phenomenon of light again.In a word, this demonstration device can intuitively and vivo be showed the route of transmission and the rule of light, can reach good teaching effective.
Description of drawings
Fig. 1 is the utility model reflection of light, refraction and total reflection demonstration device (fan figure dial type) structural representation.
Fig. 2 is the utility model reflection of light, refraction and total reflection demonstration device (circle diagram shape dial type) structural representation.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Embodiment 1: as shown in Figure 1, reflection of light, refraction and total reflection demonstration device, comprise base 1, glass jar 2, glass cylinder cap 3, power supply 4, power switch 5, plane mirror 6, fan figure index dial 7, laser small flashlight 8, adjustable laser small flashlight fixed mount 9, rotatable level crossing 10, level crossing support 11, band lens laser device 12 and laser instrument switch 13, glass jar 2 is located on the base 1, and glass cylinder cap 3 covers at glass jar 2, and plane mirror 6 is located at glass jar 2 bottoms, fan figure index dial 7 is located on the glass jar 2 interior sightingpistons, be provided with adjustable laser small flashlight fixed mount 9 on glass cylinder cap 3, laser small flashlight 8 is located on the adjustable laser small flashlight fixed mount 9, and level crossing support 11 is located on the base 1, rotatable level crossing 10 is located on the level crossing support 11, it is other that band lens laser device 12 is located at base 1 one side plane mirror supports 11, and laser instrument switch 13 is connected with band lens laser device 12, and power supply 4 and power switch 5 are communicated with laser small flashlight 8, have water delivering orifice 14 in glass jar 2 sides, on water delivering orifice 14, be provided with rubber stopper 15.
Embodiment 2: as shown in Figure 1, also comprise tinfoil paper diffuse reflector 16, tinfoil paper diffuse reflector 16 replaces plane mirror 6 to be located at glass jar 2 bottoms, and all the other are with embodiment 1.
Embodiment 3: as shown in Figure 2,7 transposings of fan figure index dial are circle diagram shape index dial 17, take out tinfoil paper diffuse reflector 16, and glass jar 2 injects suds, and all the other are with embodiment 2.
Concrete experimental demonstration method is:
(1), demonstration reflection of light phenomenon:
1, removes glass cylinder cap 3, put into plane mirror 6, fan figure index dial 7;
2, charge into an amount of smog (mosquito cigarette or cigarette), cover glass cylinder cap 3;
3, turn on the power switch 5 (1), a branch of ruddiness of laser small flashlight 8 clearly appears at fan figure index dial 7 fronts in the glass jar 2, and fine setting laser small flashlight 8 reflects light beam on plane mirror 6, demonstration reflection of light law.
(2), the diffuse reflection phenomenon of demonstration light:
1, remove glass cylinder cap 3, take out plane mirror 6, put into tinfoil paper diffuse reflector 16,
2, charge into an amount of smog (mosquito cigarette or cigarette), cover glass cylinder cap 3;
3, turn on the power switch 5 (1,2), laser small flashlight 8 has two bundle ruddiness clearly to appear at fan figure index dial 7 fronts in the glass jar 2, fine setting laser small flashlight 8 makes two parallel beams inject reflection on the tinfoil paper diffuse reflector 16, the no longer parallel ejaculation of clear demonstration reflection ray, the diffuse reflection phenomenon of demonstration light.
(3), the refraction and the total reflection phenomenon of demonstration light:
1, removes glass cylinder cap 3, take out tinfoil paper diffuse reflector 16 and fan figure index dial 7, put into circle diagram shape index dial 17;
2, charge into an amount of suds, cover glass cylinder cap 3;
3, turn on the power switch 5, a branch of ruddiness of laser small flashlight 8 clearly appears at index dial 17 fronts in the glass jar 2, and fine setting laser small flashlight 8 reflects light beam on the liquid level of suds, the refraction law of demonstration light.
4, the powered-down switch 5, open laser instrument switch 13, band lens laser device 12 has the reflection of a branch of ruddiness through adjustable level crossing 10, clearly appear at circle diagram shape index dial 17 fronts in the glass jar 2, rotate adjustable level crossing 10, light beam is reflected and total reflection, the refraction and the total reflection phenomenon of demonstration light in the liquid level of suds.
5, rotate adjustable level crossing 10, make light beam directive water delivering orifice 14, then take out rubber stopper 15 suds are flowed out from water delivering orifice 14, can be observed red laser beam and propagate along current this moment, and Mingguang City has carried out total reflection in water furtherly.If catch current, the globule of red color visible with transparent organic glass basin (or plastic tub).
Claims (3)
1, a kind of reflection of light, refraction and total reflection demonstration device, comprise base (1), glass jar (2), glass cylinder cap (3), power supply (4), power switch (5) and plane mirror (6), glass jar (2) is located on the base (1), glass cylinder cap (3) covers on glass jar (2), it is characterized in that: it also comprises fan figure index dial (7), laser small flashlight (8), adjustable laser small flashlight fixed mount (9), rotatable level crossing (10), level crossing support (11), band lens laser device (12) and laser instrument switch (13), plane mirror (6) is located at glass jar (2) bottom, fan figure index dial (7) is located on the interior sightingpiston of glass jar (2), on glass cylinder cap (3), be provided with adjustable laser small flashlight fixed mount (9), laser small flashlight (8) is located on the adjustable laser small flashlight fixed mount (9), level crossing support (11) is located on the base (1), rotatable level crossing (10) is located on the level crossing support (11), it is other that band lens laser device (12) is located at base (1) one side plane mirror support (11), laser instrument switch (13) is connected with band lens laser device (12), power supply (4) and power switch (5) are communicated with laser small flashlight (8), have water delivering orifice (14) in glass jar (2) side, on water delivering orifice (14), be provided with rubber stopper (15).
2, reflection of light according to claim 1, refraction and total reflection demonstration device is characterized in that: fan figure index dial (7) transposing is circle diagram shape index dial (17).
3, reflection of light according to claim 1 and 2, refraction and total reflection demonstration device is characterized in that: it also comprises tinfoil paper diffuse reflector (16), and tinfoil paper diffuse reflector (16) replaces plane mirror (6) to be located at glass jar (2) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201644947U CN201274116Y (en) | 2008-09-18 | 2008-09-18 | Demonstrator for reflection, refraction and perfect reflection of light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201644947U CN201274116Y (en) | 2008-09-18 | 2008-09-18 | Demonstrator for reflection, refraction and perfect reflection of light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201274116Y true CN201274116Y (en) | 2009-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201644947U Expired - Fee Related CN201274116Y (en) | 2008-09-18 | 2008-09-18 | Demonstrator for reflection, refraction and perfect reflection of light |
Country Status (1)
| Country | Link |
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| CN (1) | CN201274116Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102081875A (en) * | 2011-01-28 | 2011-06-01 | 湖州师范学院 | Optical fiber propagation principle demonstration instrument |
| CN102629429A (en) * | 2012-03-07 | 2012-08-08 | 王洪斌 | Photorefraction display |
| CN103310692A (en) * | 2013-07-09 | 2013-09-18 | 黑龙江大学 | Multifunctional comprehensive experiment system for physics teaching |
| CN106057045A (en) * | 2016-07-16 | 2016-10-26 | 陈显盈 | Micro deformation multi-stage light amplification demonstration instrument |
| CN112435545A (en) * | 2020-11-25 | 2021-03-02 | 南开大学 | Cavity type black body radiation demonstration instrument |
-
2008
- 2008-09-18 CN CNU2008201644947U patent/CN201274116Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102081875A (en) * | 2011-01-28 | 2011-06-01 | 湖州师范学院 | Optical fiber propagation principle demonstration instrument |
| CN102629429A (en) * | 2012-03-07 | 2012-08-08 | 王洪斌 | Photorefraction display |
| CN102629429B (en) * | 2012-03-07 | 2014-02-26 | 王洪斌 | Photorefraction display |
| CN103310692A (en) * | 2013-07-09 | 2013-09-18 | 黑龙江大学 | Multifunctional comprehensive experiment system for physics teaching |
| CN103310692B (en) * | 2013-07-09 | 2015-01-14 | 黑龙江大学 | Multifunctional comprehensive experiment system for physics teaching |
| CN106057045A (en) * | 2016-07-16 | 2016-10-26 | 陈显盈 | Micro deformation multi-stage light amplification demonstration instrument |
| CN112435545A (en) * | 2020-11-25 | 2021-03-02 | 南开大学 | Cavity type black body radiation demonstration instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090715 Termination date: 20091019 |