CN214796439U - Optical experiment teaching aid - Google Patents
Optical experiment teaching aid Download PDFInfo
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- CN214796439U CN214796439U CN202120896815.8U CN202120896815U CN214796439U CN 214796439 U CN214796439 U CN 214796439U CN 202120896815 U CN202120896815 U CN 202120896815U CN 214796439 U CN214796439 U CN 214796439U
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- experiment teaching
- optical experiment
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Abstract
The utility model discloses an optical experiment teaching aid, which belongs to the technical field of teaching aids and comprises a reflector and at least one reflecting light source, wherein the reflector is provided with a transparent cover, and the side wall of the transparent cover is provided with a spraying hole corresponding to a sprayer; the light source support frame is arranged outside one side of the transparent cover and comprises a support rod, the support rod is movably connected with a rotary table through a guide machine part which faces up and down, a locking bolt is arranged on the guide machine part, and a light source clamp is connected onto the rotary table. The utility model discloses the problem that the light line that can solve current optics teaching aid exists is difficult to see clearly and light path easily scatters.
Description
Technical Field
The utility model belongs to the technical field of teaching aid technique and specifically relates to a teaching aid for optics experiment.
Background
In the physics teaching of the second-middle-grade, the students can be given optical basic knowledge of reflected light, incident light, normal and the position relation among the reflected light, the incident light and the normal, and the like, because the second-middle students lack the knowledge of solid geometry, the phenomenon that the reflected light, the incident light and the normal are in the same plane in the reflection rule of light is usually difficult to understand, and when the practical problems are solved by utilizing specular reflection and diffuse reflection, the students can easily generate wrong knowledge; consequently can adopt light source and speculum as the teaching aid in the teaching, demonstrate the light of light source with each reflection light of different angle directive speculums present to the student, improve its cognition of the reflection law of focusing, however, during the in-service use, because the interference of external air current, there is the problem that the optical line is difficult to see clearly and the light route is easily scattered.
SUMMERY OF THE UTILITY MODEL
The utility model provides an optics experiment teaching aid, the difficult problem of seeing clearly and the light route easily scatters of light line that current optics teaching aid exists can be solved to this kind of optics experiment teaching aid.
In order to solve the above problem, the utility model discloses the technical scheme who adopts is: the optical experiment teaching aid comprises a reflector and at least one reflection light source, wherein a transparent cover is arranged on the reflector, and a spray hole corresponding to a sprayer is formed in the side wall of the transparent cover; the light source support frame is arranged outside one side of the transparent cover and comprises a support rod, the support rod is movably connected with a rotary table through a guide machine part which faces up and down, a locking bolt is arranged on the guide machine part, and a light source clamp is connected onto the rotary table.
In the above technical solution, a more specific technical solution may also be: the reflecting mirror is a plane mirror; still include normal light source, the mounting hole of normal light source is seted up on the top of translucent cover, normal light source inserts through the rubber buffer of middle trompil in the mounting hole.
Further: a flat plate with a white surface is vertically arranged in the transparent cover, the flat plate comprises a fixed part and a movable part, and the fixed part is hinged with the movable part; the flat plate is provided with an angle line.
Further: the reflection light source and the normal light source are both laser pens, and the transparent cover is a hemispherical cover made of acrylic materials; the reflecting mirror is a plane mirror; the plate is made of paper material.
Further: three reflection light sources are provided; the upper surface of the reflector is a plane or a concave-convex surface.
Further: the reflection light source is a laser pen, and the transparent cover is a hemispherical cover made of acrylic materials.
Since the technical scheme is used, compared with the prior art, the utility model following beneficial effect has:
1. because the reflecting mirror of the optical experiment teaching aid is provided with the transparent cover, the side wall of the transparent cover is provided with the spraying hole corresponding to the sprayer; a light source supporting frame is arranged outside one side of the transparent cover and comprises a supporting rod, the supporting rod is movably connected with a rotary table through a guide machine part which faces up and down, a locking bolt is arranged on the guide machine part, and the rotary table is connected with a light source clamp; during the experiment, the light source is clamped on the light source clamp, the guide machine part is adjusted to enable the light source to be located at a proper height, and then the turntable is adjusted to enable incident rays of the light source to be emitted into the transparent cover, namely, a lasting and clear optical line is shown in the transparent cover; can be relaxed make the student know the optical line to teaching quality has been improved.
2. Because the reflector is a plane mirror, the top end of the transparent cover is provided with a mounting hole of the normal light source, and the normal light source is inserted into the mounting hole through the rubber plug with the hole in the middle; the position relations of the reflected light, the incident light and the normal can be researched according to teaching requirements, the rotary disc is continuously adjusted during experiments, even if the included angle between the incident light and the mirror surface is continuously increased, students are easily guided to obtain the rule that the included angle between the reflected light and the mirror surface is also increased, the two angles are equal and the normal is centered; the student can clearly know the relation between the reflected light, the incident light and the normal position, and the cognition of the student on the optical basic knowledge is further improved.
3. Because the transparent cover is internally provided with the flat plate with the white surface, the flat plate comprises a fixed part and a movable part, and the fixed part is hinged with the movable part; the flat plate is provided with an angle line; the study on the relation between the reflection angle and the incidence angle and the coplanarity of the reflection light, the incidence light and the normal line can be carried out according to teaching requirements, during experiments, the relation between the reflection angle and the incidence angle can be easily seen from the angle line, when the movable part is folded backwards, the line segment of the reflection light on the fixed part can be clearly seen, and the line segment in situ on the movable part is located in a three-dimensional space at the moment, so that the first two students lacking the solid geometry knowledge can easily understand the knowledge of the coplanarity of the optical three lines, and the cognition of the students on the optical basic knowledge is further improved.
4. Because the reflection light source and the normal light source are both laser pens, the transparent cover is a hemispherical cover made of acrylic materials; the reflecting mirror is a plane mirror; the flat plate is made of paper material; low cost, convenient use and wide application.
5. Because there are three reflecting light sources, the upper surface of the reflector is a concave-convex surface; the study of the specular reflection and the diffuse reflection can be carried out according to the teaching requirements, so that students can easily understand what the specular reflection and the diffuse reflection exist, and the cognition of the students on the optical basic knowledge is further improved.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a guide member, a turntable, and a light source clamp according to a first embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a flat plate according to a first embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 5 is a schematic structural view of a guide member, a turntable, and a light source clamp according to a second embodiment of the present invention.
Detailed Description
Example one
The invention will be described in more detail with reference to the following embodiments:
the optical experiment teaching aid shown in fig. 1, 2 and 3 comprises a reflector 11, a reflection light source 12 and a normal light source 13, wherein the reflection light source 12 and the normal light source 13 are both laser pens; the reflecting mirror 11 is a plane mirror; the reflector 11 is provided with a transparent cover 14, and the transparent cover 14 is a hemispherical cover made of acrylic material; a light source supporting frame is arranged outside one side of the transparent cover and comprises a supporting rod 15-1, the supporting rod 15-1 is movably connected with a rotary table 15-3 through a guide machine part 15-2 which faces up and down, a locking bolt 15-4 is arranged on the guide machine part 15-2, and a light source clamp 15-5 is fixedly connected on the rotary table 15-3; a sprayer 16 is vertically arranged outside the other side of the transparent cover, and a spraying hole corresponding to the sprayer 16 is formed in the side wall of the transparent cover 14 and used for spraying water into the transparent cover 14 to play a role in clearly seeing light; the top end of the transparent cover 14 is provided with a mounting hole of the normal light source 13, and the normal light source 13 is inserted into the mounting hole through a rubber plug 17 with a hole in the middle; a white semicircular flat plate 18 is vertically arranged in the transparent cover 14, the flat plate 18 comprises a fixed part 18-1 and a movable part 18-2, and the fixed part 18-1 is hinged with the movable part 18-2; the flat plate 18 is provided with an angle line; the plate 18 is made of paper material.
During the experiment, the light source is clamped on the light source clamp, the guide machine part is adjusted to enable the light source to be located at a proper height, and then the turntable is adjusted to enable incident rays of the light source to be emitted into the transparent cover, namely, a lasting and clear optical line is shown in the transparent cover; the study of the position relation of the reflected light, the incident light and the normal can be carried out according to teaching requirements, the study of the relation between the reflection angle and the incident angle and the study of whether the reflected light, the incident light and the normal are coplanar or not can be carried out, students can easily know the optical circuit, the cognition of the students to the optical basic knowledge is improved, and therefore the teaching quality is improved.
Example two
The optical experiment teaching aid shown in fig. 4 comprises a reflector 21 and three reflection light sources 22, wherein the reflection light sources 22 are laser pens; the upper surface of the reflector 21 is a plane; the reflector 21 is provided with a transparent cover 23, and the transparent cover 23 is a hemispherical cover made of acrylic material; the side wall of the transparent cover 23 is provided with a spraying hole corresponding to the sprayer 24; a light source supporting frame is arranged outside one side of the transparent cover 23 and comprises a supporting rod 25-1, the supporting rod 25-1 is movably connected with a rotary table 25-3 through a guide machine part 25-2 which faces up and down, a locking bolt 25-4 is arranged on the guide machine part 25-2, and the rotary table 25-3 is connected with a light source clamp 25-5.
In the experiment, the three light sources are respectively clamped on respective light source clamps, the respective guide machine parts are respectively adjusted to enable the respective light sources to be positioned at proper heights, and then the respective turntables are adjusted to enable incident rays of the respective light sources to be emitted into the transparent cover, namely, a durable and clear optical line is shown in the transparent cover; the study of the mirror reflection can be carried out according to the teaching requirement, so that students can easily understand what is the mirror reflection, the cognition of the students to the optical basic knowledge is further improved, and the teaching quality is improved.
EXAMPLE III
The upper surface of the reflector is an uneven concave-convex surface. In the experiment, the three light sources are respectively clamped on respective light source clamps, the respective guide machine parts are respectively adjusted to enable the respective light sources to be positioned at proper heights, and then the respective turntables are adjusted to enable incident rays of the respective light sources to be emitted into the transparent cover, namely, a durable and clear optical line is shown in the transparent cover; the study of diffuse reflection can be carried out according to the teaching requirement, so that students can easily understand what is diffuse reflection, and the cognition of the students on the optical basic knowledge is further improved, thereby improving the teaching quality; the rest is the same as the example.
Claims (6)
1. The utility model provides an optics experiment teaching aid, includes speculum and at least one reflection light source, its characterized in that: the reflecting mirror is provided with a transparent cover, and the side wall of the transparent cover is provided with a spraying hole corresponding to the sprayer; the light source support frame is arranged outside one side of the transparent cover and comprises a support rod, the support rod is movably connected with a rotary table through a guide machine part which faces up and down, a locking bolt is arranged on the guide machine part, and a light source clamp is connected onto the rotary table.
2. An optical experiment teaching aid according to claim 1, wherein: the reflecting mirror is a plane mirror; still include normal light source, the mounting hole of normal light source is seted up on the top of translucent cover, normal light source inserts through the rubber buffer of middle trompil in the mounting hole.
3. An optical experiment teaching aid according to claim 2, wherein: a flat plate with a white surface is vertically arranged in the transparent cover, the flat plate comprises a fixed part and a movable part, and the fixed part is hinged with the movable part; the flat plate is provided with an angle line.
4. An optical experiment teaching aid according to claim 3, wherein: the reflection light source and the normal light source are both laser pens, and the transparent cover is a hemispherical cover made of acrylic materials; the reflecting mirror is a plane mirror; the plate is made of paper material.
5. An optical experiment teaching aid according to claim 1, wherein: three reflection light sources are provided; the upper surface of the reflector is a plane or a concave-convex surface.
6. An optical experiment teaching aid according to claim 5, wherein: the reflection light source is a laser pen, and the transparent cover is a hemispherical cover made of acrylic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120896815.8U CN214796439U (en) | 2021-04-28 | 2021-04-28 | Optical experiment teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120896815.8U CN214796439U (en) | 2021-04-28 | 2021-04-28 | Optical experiment teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214796439U true CN214796439U (en) | 2021-11-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120896815.8U Active CN214796439U (en) | 2021-04-28 | 2021-04-28 | Optical experiment teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214796439U (en) |
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2021
- 2021-04-28 CN CN202120896815.8U patent/CN214796439U/en active Active
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