CN210804927U - Optical demonstration device in physical teaching - Google Patents
Optical demonstration device in physical teaching Download PDFInfo
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- CN210804927U CN210804927U CN201921948308.3U CN201921948308U CN210804927U CN 210804927 U CN210804927 U CN 210804927U CN 201921948308 U CN201921948308 U CN 201921948308U CN 210804927 U CN210804927 U CN 210804927U
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- box body
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- refraction
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Abstract
The utility model discloses an optical demonstration device in physical teaching, which comprises a box cover and a hollow box body, wherein one end in the box body is provided with a light source system, and the other end is provided with a demonstration screen; the side walls of two sides of the box cover are provided with a plurality of rows of jacks, the jacks are inserted with inserts and/or experimental equipment, the experimental equipment comprises a refraction system or a three-primary-color synthesis system, and the refraction system comprises a refraction water tank and a mirror bracket; the three primary colors synthesis system comprises a red primary color plate, a green primary color plate, a blue primary color plate and a light-transmitting plate; the outer side of the bottom of the box body is provided with a scale plate, and the side wall of one side provided with the scale plate is a transparent side wall; the bottom of the box body is provided with a guide rail along the direction from the light source system to the demonstration screen, the guide rail is provided with a plurality of sliding blocks, and the sliding blocks are respectively inserted with a light transmission experimental device or a single-slit and double-slit diffraction experimental device. The utility model discloses convenient to use, simple structure demonstrates the printing opacity phenomenon, single slit diffraction, double slit diffraction phenomenon, refraction phenomenon or the synthetic effect of three-color light of light-emitting visually, and the demonstration is effectual.
Description
Technical Field
The utility model belongs to the technical field of optical equipment, concretely relates to optics presentation device in physical teaching.
Background
In the teaching of physics optics, the geometry optics experiment must be gone on in the darkroom, and experimental facilities is bulky, heavy, inconvenient carrying, can't demonstrate the teaching directly towards the student in classroom, and present teaching equipment function is single, the equipment of refraction experiment carries out the refraction experiment, the three primary colors principle can only carry out the three primary colors experiment, printing opacity experiment etc. still, it is very troublesome to want to teach simultaneously, need carry into the classroom equipment just more, the assembly is adjusted loaded down with trivial details, consequently, be not applicable to present optics teaching experiment.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: the optical demonstration device in the physical teaching is simple in structure, clear and visual, and can be used for demonstrating optical experiments such as optical refraction experiments, three-primary-color synthesis experiments and light transmission experiments in the physical teaching.
In order to solve the technical problem, the technical scheme of the utility model is that:
an optical demonstration device in physical teaching comprises a box cover and a hollow box body, wherein a light source system is arranged at one end in the box body, and a demonstration screen is arranged at the other end in the box body; the middle parts of the box cover and the box body are provided with a main experimental area, a plurality of rows of jacks are arranged on the side walls of two sides of the main experimental area of the box cover, and the jacks are spliced with inserts and/or experimental equipment, the experimental equipment comprises a refraction system or a three-primary-color synthesis system, the refraction system comprises a refraction water tank and a spectacle frame, and optical lenses which are replaced and used are arranged in the spectacle frame; the three primary colors synthesis system comprises a red primary color plate, a green primary color plate, a blue primary color plate and a light-transmitting plate; the outer side of the bottom of the box body is provided with a scale plate, the side wall of one side provided with the scale plate is a transparent side wall, and the side wall is connected with the side walls of the other two sides and the bottom of the box body in an inserting manner; the bottom of the box body is provided with a guide rail along the direction from the light source system to the demonstration screen, the guide rail is provided with a plurality of sliding blocks, and the sliding blocks are respectively inserted with a light transmission experimental device or a single-slit and double-slit diffraction experimental device.
Preferably, the light transmission experimental device comprises a plurality of insertion rods, the upper parts of the insertion rods are respectively and fixedly connected with the concave mirror, the convex mirror and the projection plate, and the lower parts of the insertion rods are respectively inserted and connected onto the corresponding sliding blocks; the centers of the concave mirror and the convex mirror are arranged on the same straight line;
furthermore, the concave mirror and the convex mirror are respectively and fixedly connected to the inner part of the upper end of the insertion rod through a fixing device, and gaskets are respectively arranged between the fixing device and the concave mirror and between the fixing device and the convex mirror.
Preferably, the single-slit and double-slit diffraction experimental device comprises a plurality of insertion rods, wherein the upper parts of the insertion rods are respectively and fixedly connected with a filter fixing device, a single-slit plate or double-slit plate and a light screen, and the lower parts of the insertion rods are respectively inserted and connected to corresponding sliding blocks.
Further, optical filter fixing device including fixing the bottom plate on bayonet pole upper portion, the baffle that upwards sets up is kept away from scale plate one side fixedly connected with to the bottom plate, the baffle middle part is equipped with perpendicular guide rail, perpendicular guide rail sliding connection has the apron, the apron passes through bolted connection near scale plate one side and bottom plate, the apron center is provided with the optical filter and places the hole, the bottom plate center is equipped with the recess corresponding to optical filter placing hole department. The filter lens placing hole and the groove are used for placing a filter lens.
Preferably, the refraction system further comprises a smoke generator arranged on the lower portion of the side wall of the box body, which is far away from one side of the scale plate.
Preferably, the light source in the light source system is an LED lamp for a three primary color synthesis system, a laser emitter for a refraction system, a light transmission experimental device or a light emitting device (incandescent lamp, LED lamp, laser lamp, etc. different lamps are selected according to requirements) for a single-slit diffraction experimental device, the above devices are all plugged into a power socket, and the power socket is connected to an external power supply through a wire.
Further, the laser emitter comprises a red laser emitter and a green laser emitter. The refraction system can emit rays with different angles by using a laser emitter.
Preferably, the refraction water tank, the mirror bracket, the red primary color plate, the green primary color plate, the blue primary color plate and the two ends of the upper part of the light transmission plate are respectively provided with a plug matched with the plug hole on the case cover. So as to realize the plug-in connection between the refraction system or the three primary colors synthesis system and the box cover.
Preferably, the red primary color plate, the green primary color plate and the blue primary color plate are light-transmitting plates.
Preferably, the side wall of the box body, which is far away from the scale plate, is an opaque light shielding plate.
Preferably, the upper part of the cutting is a flat plate, and the lower parts of the two ends of the flat plate are provided with plugs matched with the plug holes on the box cover. This allows the use of a slip to cover the main experimental area during non-experimental periods.
Preferably, the space generated after the experimental equipment is inserted in the main experimental area is filled by the inserting strips, so that no partition is generated on the cover body of the box cover.
Preferably, the side wall of the box body at one side of the light source system is provided with a semi-circle angle scale which is fixedly connected, and the semi-circle angle scale is arranged at one side of the light source system at the side of the box body side wall far away from the scale plate. The angle of the incident light was determined in the light transmission phenomenon experiment and the refraction phenomenon experiment of light.
Since the technical scheme is used, the beneficial effects of the utility model are that:
1. the utility model discloses can demonstrate the arbitrary synthetic effect of three kinds of chromatic light through LED lamp and three kinds of primary colors light-passing board, it is effectual to demonstrate, makes the student vividly understand the synthetic effect of three-color light vividly.
2. The utility model discloses can demonstrate the refraction phenomenon of light-emitting visually through red, green laser emitter, refraction basin and mirror holder.
3. The utility model discloses can carry out the printing opacity experiment through light source system, concave mirror, convex mirror and projection board.
4. The utility model discloses can carry out single slit diffraction or double slit diffraction experiment through light source system, optical filter fixing device, single slit board, double slit board and light screen.
In a word, the utility model discloses convenient to use, simple structure demonstrates the synthetic effect of printing opacity phenomenon, single slit diffraction, double slit diffraction phenomenon, refraction phenomenon or the tricolor light of light-emitting vividly, demonstrates effectually.
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 second embodiment of the present invention;
fig. 3 is a schematic front view of the case cover according to the embodiment of the present invention;
fig. 4 is a schematic structural diagram of a third embodiment of the present invention;
fig. 5 is a schematic structural diagram of a fourth embodiment of the present invention;
fig. 6 is a schematic structural diagram of a filter fixing device in a fourth embodiment of the present invention;
in the figure, 1-the lid of the case; 2-a box body; 3-a light source system; 4-a demonstration screen; 5-red primary color plate; 6-green primary color plate; 7-blue primary color plate; 8-a light-transmitting plate; 9-a refraction water tank; 10-a frame; 11-an optical lens; 12-a smoke generator; 13-a jack; 14-cutting; 15-a plug; 16-degree scale; 17-a scale plate; 18-a slide block; 19-a plug rod; 20-concave mirror; 21-convex mirror; 22-a projection plate; 23-a fixation device; 24-a gasket; 25-filter fixing device; 26-single slit plate; 27-double slit plate; 28-light screen; 29-a base plate; 30-a baffle plate; 31-a vertical guide rail; 32-a cover plate; 33-bolts; 34-filter placing hole; 35-groove.
Detailed Description
The invention is further explained below with reference to the drawings and examples.
The first embodiment is as follows:
as shown in fig. 1 and 3, the optical demonstration device in physics teaching comprises a case cover 1 and a hollow case body 2, wherein the case cover 1 and the case body 2 are covered; a light source system 3 is arranged at one end in the box body 2, and a demonstration screen 4 is arranged at the other end; the socket of the light source system 3 is inserted with an LED lamp, the middle parts of the box cover 1 and the box body 2 are arranged into a main experimental area, the side walls of two sides of the main experimental area of the box cover 1 are provided with a plurality of rows of insertion holes 13, the insertion holes are inserted with insertion strips 14 and experimental equipment, the experimental equipment is a three-primary-color synthesis system, the three-primary-color synthesis system comprises a red primary color plate 5, a green primary color plate 6, a blue primary color plate 7 and a light-transmitting plate 8, and the red primary color plate 5, the green primary color plate 6, the blue primary color plate 7 and the light-transmitting plate 8 are respectively provided with a plug (not marked; the space of the main experimental area generated after the experimental equipment is inserted is filled by the inserting strips 14, the upper parts of the inserting strips 14 are flat plates, and the lower parts of the two ends of the flat plates are provided with plugs 15 matched with the inserting holes 13 on the box cover, so that the cover body of the box cover 1 is ensured not to be separated. The image synthesized by the three primary colors can be displayed on the demonstration screen 4. In actual operation, the primary color plate 5, the primary color plate 6 or the primary color plate 7 is inserted singly, a single color can be displayed on the demonstration screen 4, and when two different primary color plates are inserted into the box body respectively, the color formed by combining the two colors is displayed on the demonstration screen 4, so that students can visually see the color change, and the mechanism of the three-primary color combination is known.
Example two:
as shown in fig. 2 and 3, the optical demonstration device in physics teaching comprises a case cover 1 and a hollow case body 2, wherein the case cover 1 and the case body 2 are covered; a light source system 3 is arranged at one end in the box body 2, a demonstration screen 4 is arranged at the other end, and a semicircular angle scale 16 is arranged on the side wall of the box body at the side provided with the light source system 3; the laser emitter for the refraction system is inserted into the socket of the light source system 3 and comprises a red laser emitter and a green laser emitter; a main experiment area is arranged in the middle of the box cover 1 and the box body 2, a plurality of rows of insertion holes 13 are arranged on the side walls of two sides of the main experiment area of the box cover 1, insertion strips 14 and experiment equipment are inserted in the insertion holes, the experiment equipment is a refraction system, the refraction system comprises a refraction water tank 9 and a mirror bracket 10, and an optical lens 11 which is replaced and used is arranged in the mirror bracket 10; plugs (not shown) corresponding to the jacks are respectively arranged on the refraction water tank 9 and the lens frame 10; the space generated by the main experimental area after the experimental equipment is inserted is filled by the inserting strips 14, so that no partition is generated on the cover body of the box cover 1. The displacement image generated after the light refraction can be displayed on the demonstration screen 4. Meanwhile, in order to increase the demonstration effect of light refraction, the refraction system further comprises a smoke generator 12 arranged on the lower portion of the side wall of the box body far away from the scale plate, and the demonstration effect of refraction is increased by generating the dispersion effect of smoke on light.
Example three:
as shown in fig. 4, the optical demonstration device in physics teaching comprises a case cover 1 and a hollow case body 2, wherein the case cover 1 and the case body 2 are covered; a light source system 3 is arranged at one end in the box body 2, a demonstration screen 4 is arranged at the other end, and a semicircular angle scale 16 is arranged on the side wall of the box body at the side provided with the light source system 3; the outer side of the bottom of the box body 2 is provided with a scale plate 17, the side wall of one side provided with the scale plate 17 is a transparent side wall, and the side wall is connected with the side walls of the other two sides and the bottom of the box body 2 in an inserting way; a guide rail (not shown) is arranged at the bottom of the box body 2 along the direction from the light source system 3 to the demonstration screen 4, 3 sliding blocks 18 are arranged on the guide rail, inserting rods 19 are respectively inserted on the sliding blocks 18, and the upper parts of the inserting rods 19 are respectively fixedly connected with a concave mirror 20 and/or a convex mirror 21 and a projection plate 22; the concave mirror 20 and the convex mirror 21 are respectively fixedly connected to the inner part of the upper end of the plug rod 19 through a fixing device 23, and gaskets 24 are respectively arranged between the fixing device 23 and the concave mirror 20 and between the fixing device 23 and the convex mirror 21. When the light source system is used, the transparent side wall is drawn away, the projection plate 22 fixedly connected with the plug-in rod 19, the convex mirror 21 and/or the concave mirror 20 are sequentially plugged into the slide block 18 on the guide rail, then the light-emitting device in the light source system 3 is turned on, and light emitted by the light-emitting device irradiates the projection plate 22 through the concave mirror 20 and the convex mirror 21; meanwhile, the positions of the projection plate 22, the convex mirror 21 and the concave mirror 20 can be adjusted, so that the effect of the experiment can be better observed. In the experiment, light can be independently irradiated on the projection plate 22 through the concave mirror 20 or the convex mirror 21 to observe the light transmission phenomenon of the concave mirror 20 or the convex mirror 21.
Example four:
as shown in fig. 5 and 6, the optical demonstration device in physics teaching comprises a case cover 1 and a hollow case body 2, wherein the case cover 1 and the case body 2 are covered; a light source system 3 is arranged at one end in the box body 2, a demonstration screen 4 is arranged at the other end, and a semicircular angle scale 16 is arranged on the side wall of the box body at the side provided with the light source system 3; the outer side of the bottom of the box body 2 is provided with a scale plate 17, the side wall of one side provided with the scale plate 17 is a transparent side wall, and the side wall is connected with the side walls of the other two sides and the bottom of the box body 2 in an inserting way; a guide rail (not shown) is arranged at the bottom of the box body 2 along the direction from the light source system 3 to the demonstration screen 4, 3 sliding blocks 18 are arranged on the guide rail, inserting rods 19 are respectively inserted on the sliding blocks 18, and the upper parts of the inserting rods 19 are respectively and fixedly connected with a filter fixing device 25, a single-slit plate 26 or a double-slit plate 27 and a light screen 28; the filter fixing device 25 comprises a bottom plate 29 fixed on the upper portion of the plug rod 19, a baffle 30 which is arranged upwards is fixedly connected to one side, away from the scale plate 17, of the bottom plate 29, a vertical guide rail 31 is arranged in the middle of the baffle 30, a cover plate 32 is slidably connected to the vertical guide rail 31, one side, close to the scale plate 19, of the cover plate 32 is connected with the bottom plate 29 through a bolt 33, a filter placing hole 34 is formed in the center of the cover plate 32, and a groove 35 is formed in the center of the bottom plate. During the use, select single slit diffraction experiment or double slit diffraction experiment as required to double slit diffraction experiment is the example, takes away transparent lateral wall, inserts filter fixing device 25, double slit board 27 and light screen 28 on the slider 18 in proper order, opens the illuminator who opens among the light source system 3 and just can carry out the experiment. Because the wavelength of different colors of light need be measured in the double slit diffraction experiment, require to change the optical filter many times, change the optical filter that can be nimble quick through optical filter fixing device to because there is the scale plate, be convenient for measure the distance of double slit board 27 to light screen 28, can observe the diffraction condition of the light of different wavelengths through the distance change.
It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
Claims (7)
1. An optical demonstration device in physics teaching, its characterized in that: the demonstration box comprises a box cover and a hollow box body, wherein a light source system is arranged at one end in the box body, and a demonstration screen is arranged at the other end in the box body; the middle parts of the box cover and the box body are set to be a main experiment area, a plurality of rows of jacks are arranged on the side walls of two sides of the main experiment area of the box cover, the jacks are spliced with inserting strips and/or experiment equipment, the experiment equipment comprises a refraction system or a three-primary-color synthesis system, the refraction system comprises a refraction water tank and a lens frame, and optical lenses for replacement are arranged in the lens frame; the three primary colors synthesis system comprises a red primary color plate, a green primary color plate, a blue primary color plate and a light-transmitting plate; the outer side of the bottom of the box body is provided with a scale plate, the side wall of one side provided with the scale plate is a transparent side wall, and the side wall is connected with the side walls of the other two sides and the bottom of the box body in an inserting manner; the bottom of the box body is provided with a guide rail along the direction from the light source system to the demonstration screen, the guide rail is provided with a plurality of sliding blocks, and the sliding blocks are respectively inserted with a light transmission experimental device or a single-slit and double-slit diffraction experimental device; the light transmission experimental device comprises a plurality of insertion rods, the upper parts of the insertion rods are respectively and fixedly connected with a concave mirror, a convex mirror and a projection plate, and the lower parts of the insertion rods are respectively inserted and connected onto corresponding sliding blocks; the centers of the concave mirror and the convex mirror are arranged on the same straight line; the single-slit and double-slit diffraction experiment device comprises a plurality of insertion rods, wherein the upper parts of the insertion rods are respectively and fixedly connected with a filter fixing device, a single-slit plate or double-slit plate and a light screen, and the lower parts of the insertion rods are respectively connected to corresponding sliding blocks in an insertion mode.
2. An optical presentation device in physics teaching as claimed in claim 1 wherein: the concave mirror and the convex mirror are fixedly connected to the inner part of the upper end of the insertion rod through fixing devices respectively, and gaskets are arranged between the fixing devices and the concave mirror and between the fixing devices and the convex mirror respectively.
3. An optical presentation device in physics teaching as claimed in claim 1 wherein: the glass filter fixing device comprises a base plate fixed on the upper portion of the inserting rod, a baffle which is fixedly connected with one side of the scale plate and is arranged upwards is far away from the base plate, a vertical guide rail is arranged in the middle of the baffle, a cover plate is connected with the vertical guide rail in a sliding mode, one side of the cover plate, which is close to the scale plate, is connected with the base plate through bolts, a glass filter placing hole is formed in the center of the cover plate, and a groove is formed in the center of the.
4. An optical presentation device in physics teaching as claimed in claim 1 wherein: the refraction system also comprises a smoke generator arranged at the lower part of the side wall far away from one side of the scale plate.
5. An optical presentation device in physics teaching as claimed in claim 1 wherein: the light source in the light source system is an LED lamp for a three-primary-color synthesis system, a laser emitter for a refraction system, a light-transmitting experimental device or a light-emitting device for a single-slit and double-slit diffraction experimental device, and the laser emitter comprises a red laser emitter and a green laser emitter.
6. An optical presentation device in physics teaching as claimed in claim 1 wherein: the red primary color plate, the green primary color plate and the blue primary color plate are light-transmitting plates.
7. An optical presentation device in physics teaching as claimed in claim 1 wherein: and a semicircular angle scale is further arranged on the side wall of the box body and is arranged on one side of the box body side wall light source system far away from the scale plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921948308.3U CN210804927U (en) | 2019-11-12 | 2019-11-12 | Optical demonstration device in physical teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921948308.3U CN210804927U (en) | 2019-11-12 | 2019-11-12 | Optical demonstration device in physical teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210804927U true CN210804927U (en) | 2020-06-19 |
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ID=71228350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921948308.3U Expired - Fee Related CN210804927U (en) | 2019-11-12 | 2019-11-12 | Optical demonstration device in physical teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210804927U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112530252A (en) * | 2021-01-23 | 2021-03-19 | 邯郸市丛台区世天科技有限公司 | High school physics optical test demonstration device |
-
2019
- 2019-11-12 CN CN201921948308.3U patent/CN210804927U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112530252A (en) * | 2021-01-23 | 2021-03-19 | 邯郸市丛台区世天科技有限公司 | High school physics optical test demonstration device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200619 Termination date: 20211112 |