CN205692446U - A kind of liquid refracting demonstration teaching aid assembly - Google Patents
A kind of liquid refracting demonstration teaching aid assembly Download PDFInfo
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- CN205692446U CN205692446U CN201620254460.1U CN201620254460U CN205692446U CN 205692446 U CN205692446 U CN 205692446U CN 201620254460 U CN201620254460 U CN 201620254460U CN 205692446 U CN205692446 U CN 205692446U
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- angle
- line light
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- generating means
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Abstract
This utility model relates to a kind of liquid refracting demonstration teaching aid assembly, teaching aid component is made up of ray fans generator, transparent box and angle measuring calibration plate, described ray fans generator sends the light of fan-like pattern, the cross section of described transparent box is semicircle, and described angle measuring calibration plate surface is provided with round angle scale.Described ray fans generator is placed on side, light is directed at the centrage of straight side sidewall, ray fans just can draw a light on angle measuring calibration plate, refraction situation is i.e. can be seen that in the position of round angle scale according to light, angle between light and round angle scale centrage is respectively angle of incidence and refraction angle, straight side is angle of incidence, and circular arc side is refraction angle, the most intuitively.
Description
Technical field
This utility model relates to a kind of teaching demonstration teaching aid assembly, particularly a kind of optics of liquids refraction demonstration teaching aid group
Part.
Background technology
In the optics learning content in middle school, the refraction effect of material is a very important learning content, existing
Teaching process in, in order to the refraction effect of material is described, be generally only use draw show mode, such mode can only
A kind of most basic way, although calculation upper intuitively, but people cannot be allowed to see really, and light is through various transparent
The refraction effect produced during material, for Students ' Learning and understand that the refraction effect of material is unfavorable.
Summary of the invention
Providing one that people can be allowed to see really, light produces when through various transparency material the purpose of this utility model
The light refraction demonstration teaching aid assembly of raw refraction effect, beneficially student more profoundly understands and learns.
For achieving the above object, this utility model provides following technical scheme one liquid refracting demonstration teaching aid assembly,
It is characterized in that: described demonstration teaching aid assembly is made up of ray fans generator, transparent box and angle measuring calibration plate, described sectored light
Line generator sends the light of fan-like pattern, and the bottom of described transparent box is plane, and cross section is semicircle, has certain height
Box body, described angle measuring calibration plate surface is provided with round angle scale, circular angle index include through the center of circle orthogonal directly
Line scale, described slide-rule dial extends to both sides with the center of circle for initial point, two semicircle camber lines of described round angle scale both sides
On be arranged with arc angle scale, described arc angle scale with camber line summit for initial point to both sides extend.
Can be on angle measuring calibration plate when ray fans generator is lain on angle measuring calibration plate, the sidewall of straight side
Bottom line full cries with slide-rule dial patch and puts, and the alignment round angle scale center of circle, center, described ray fans generator is placed on side, light
Being directed at the centrage of straight side sidewall, ray fans just can draw a light on angle measuring calibration plate, exists according to light
The position of round angle scale i.e. can be seen that refraction situation, the angle between light and round angle scale centrage are respectively angle of incidence
And refraction angle, straight side is angle of incidence, and circular arc side is refraction angle, the most intuitively.
With specific embodiment, this utility model is further described below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is one of this utility model ray fans generator specific embodiment surface structure schematic diagram；
Fig. 2 is the two of this utility model ray fans generator specific embodiment surface structure schematic diagram；
Fig. 3 is this utility model ray fans generator specific embodiment decomposition texture schematic diagram；
Fig. 4 is this utility model line light generating means specific embodiment surface structure schematic diagram；
Fig. 5 is this utility model transparent box specific embodiment stereoscopic structural representation；
Fig. 6 is that this utility model uses view.
Detailed description of the invention
As shown in figures 1 to 6, this utility model liquid refracting demonstration teaching aid assembly by ray fans generator, transparent box 7 and
Angle measuring calibration plate 8 is constituted, and described ray fans generator sends the light of fan-like pattern, and the bottom of described transparent box 7 is plane, cuts
Face is semicircle, has the box body of certain height, and transparent box 7 can select resin or glass to make, and top-open is used for making
For liquid injection port.The purpose of the light that described ray fans generator sends fan-like pattern is in order to when by ray fans generator
A light can be drawn on angle measuring calibration plate 8 when lying on angle measuring calibration plate 8.Described angle measuring calibration plate 8 surface is provided with
Round angle scale, circular angle index includes the orthogonal slide-rule dial 802 through the center of circle and arc angle scale 801,
Described slide-rule dial 802 extends to both sides with the center of circle for initial point, right on two semicircle camber lines of described round angle scale both sides
Claiming to be provided with arc angle scale 801, described arc angle scale 801 extends to both sides with camber line summit for initial point, described angulation
Graduated tile 8 can be papery, or uses plastic material to make.In this specific embodiment, described ray fans generator includes
Line light generating means 1 and be arranged on the refractive element 2 in line light generating means 1 front, front end is provided with the perforate appeared for light,
Described line light generating means 1 sends line light, and described line light generating means 1 is preferably made up of laser generator.Described folding
Penetrating part 2 is cylindrical member, is made of clear material, and described refractive element 2 is arranged on described line light generating means 1 and sends straight line
In the optical axis of light and vertical with described optical axis, the ray fans place plane sent is perpendicular with described refractive element 2.Described sector
Light beam generator is provided with circular tube shaped sheath body 3, and described line light generating means 1 is arranged in described sheath body 3, and described line light occurs
Device 1 sends the optical axis of line light and be arranged in parallel with described sheath body 3 central shaft, and described sheath body 3 front inner wall is symmetrically arranged on two with
Axially straight trough 4, the diameter of described refractive element 2 coordinates with axial straight trough 4 width gaps, and the two ends of described refractive element 2 coordinate at axle
In straight trough 4, outboard end is fixed with spacing annulus 5, prevents refractive element 2 from coming off.In order to firmly place, preferably at set
Permanent magnet 6 is set bottom shell 3.
As shown in Figure 6, this utility model liquid refracting demonstration teaching aid assembly in use, first injects in transparent box 7 and thinks
Liquid medium to be demonstrated, such as water or oil, can be at angle measuring calibration when ray fans generator is lain on angle measuring calibration plate 8
On plate 8, the sidewall bottom line of straight side full cries with slide-rule dial 802 patch and puts, the alignment round angle scale center of circle, center, described sector
Light beam generator is placed on side, and light is directed at the centrage of straight side sidewall, and ray fans just can be on angle measuring calibration plate 8
Draw a light, i.e. can be seen that refraction situation, light and round angle scale center in the position of round angle scale according to light
Angle between line is respectively angle of incidence and refraction angle, and straight side is angle of incidence, and circular arc side is refraction angle.
Claims (4)
1. a liquid refracting demonstration teaching aid assembly, it is characterised in that: described demonstration teaching aid assembly by ray fans generator, thoroughly
Bright box and angle measuring calibration plate are constituted, and described ray fans generator sends the light of fan-like pattern, and the bottom of described transparent box is flat
Face, cross section is semicircle, has the box body of certain height, and described angle measuring calibration plate surface is provided with round angle scale, circle
Angle index includes the orthogonal slide-rule dial through the center of circle, and described slide-rule dial extends to both sides with the center of circle for initial point, institute
Stating and be arranged with arc angle scale on two semicircle camber lines of round angle scale both sides, described arc angle scale is with camber line
Summit is that initial point extends to both sides.
Liquid refracting demonstration teaching aid assembly the most according to claim 1, it is characterised in that: described ray fans generator bag
Including line light generating means and be arranged on the refractive element in line light generating means front, described line light generating means sends straight line
Light, described refractive element is cylindrical member, is made of clear material, and described refractive element is arranged on described line light generating means and sends out
Go out in the optical axis of line light and vertical with described optical axis.
Liquid refracting demonstration teaching aid assembly the most according to claim 2, it is characterised in that: described ray fans generator sets
Having circular tube shaped sheath body, described line light generating means to be arranged in described sheath body, described line light generating means sends line light
Optical axis be arranged in parallel with described sheath body central shaft, described sheath body front inner wall is symmetrically arranged on two with axial straight trough, described refraction
The diameter of part coordinates with axial straight trough width gaps, and the two ends of described refractive element coordinate in axial straight trough, and outboard end is fixing to be set
Limited location annulus.
Liquid refracting demonstration teaching aid assembly the most according to claim 2, it is characterised in that: described line light generating means by
Laser generator is constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620254460.1U CN205692446U (en) | 2016-03-30 | 2016-03-30 | A kind of liquid refracting demonstration teaching aid assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620254460.1U CN205692446U (en) | 2016-03-30 | 2016-03-30 | A kind of liquid refracting demonstration teaching aid assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205692446U true CN205692446U (en) | 2016-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201620254460.1U Active CN205692446U (en) | 2016-03-30 | 2016-03-30 | A kind of liquid refracting demonstration teaching aid assembly |
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| Country | Link |
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| CN (1) | CN205692446U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508322A (en) * | 2019-01-30 | 2020-08-07 | 广州市赛恩斯教育科技有限公司 | Light propagation experiment demonstration method |
| CN111554164A (en) * | 2020-05-13 | 2020-08-18 | 江西师范大学 | Physics optics demonstration teaching aid |
-
2016
- 2016-03-30 CN CN201620254460.1U patent/CN205692446U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508322A (en) * | 2019-01-30 | 2020-08-07 | 广州市赛恩斯教育科技有限公司 | Light propagation experiment demonstration method |
| CN111554164A (en) * | 2020-05-13 | 2020-08-18 | 江西师范大学 | Physics optics demonstration teaching aid |
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