CN212342138U - Optical demonstration device - Google Patents
Optical demonstration device Download PDFInfo
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- CN212342138U CN212342138U CN202021515818.4U CN202021515818U CN212342138U CN 212342138 U CN212342138 U CN 212342138U CN 202021515818 U CN202021515818 U CN 202021515818U CN 212342138 U CN212342138 U CN 212342138U
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Abstract
The embodiment of the application provides an optical demonstration device which comprises a base, a supporting part, a light-emitting disc, a driving assembly, a refraction plate and a display assembly. The supporting part is fixed on the base, and the light-emitting disc is rotatably connected to the supporting part. The light-emitting disc is perpendicular to the top surface of the base, the driving assembly is connected with the light-emitting disc and can drive the light-emitting disc to rotate, the refraction plate and the display assembly are arranged on the top surface of the base, and the display assembly is arranged on one side, far away from the light-emitting disc, of the refraction plate. The periphery of the light-emitting disc is provided with at least one light source, the edge of the light-emitting disc and the position, opposite to the light source, of the light-emitting disc are provided with flexible lugs, the light-emitting disc rotates to the flexible lugs to be abutted against the surface of the base, and light rays emitted by the light source are projected to the display assembly after being refracted by the refraction plate. The optical demonstration device provided by the embodiment of the application has high accuracy and demonstration efficiency.
Description
Technical Field
The application relates to the technical field of optics, in particular to an optical demonstration device.
Background
The science of nature is the science of organic or inorganic things and phenomena in the nature, and the laws in the nature can be scientifically guided through observation and logical reasoning of the nature, so that the understanding of people on the nature is improved.
Logistics, a natural science for studying physical phenomena, encounters many problems related to natural phenomena in the learning process, such as gravity, attraction in mechanics, reflection and refraction in optics, and the like. The problems related to the natural phenomena are only demonstrated through theoretical teaching in a classroom, so that the people can hardly know the problems deeply, and the purpose of learning can not be achieved well.
At present, various natural phenomenon demonstration devices appear, but the traditional demonstration device is inconvenient to operate, complex in demonstration process and poor in demonstration accuracy.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides an optical demonstration device to solve the problems of complex operation and poor accuracy of the traditional optical demonstration device.
In order to solve the above problems, the following technical solutions are adopted in the present application:
in a first aspect, an embodiment of the present application provides an optical demonstration apparatus, including:
a base;
the light-emitting device comprises a supporting part, a light-emitting disc and a driving assembly, wherein the supporting part is fixed on the base, the light-emitting disc is rotatably connected to the supporting part, the light-emitting disc is perpendicular to the top surface of the base, and the driving assembly is connected with the light-emitting disc and can drive the light-emitting disc to rotate;
the light-emitting device comprises a light refracting plate and a display component, wherein the light refracting plate and the display component are both arranged on the top surface of the base, and the display component is arranged on one side of the light refracting plate, which is far away from the light-emitting disc;
the periphery of the light-emitting disc is provided with at least one light source, a flexible lug is arranged at the position, opposite to the light source, of the edge of the light-emitting disc, the light-emitting disc rotates to the position, where the flexible lug abuts against the surface of the base, and light rays emitted by the light source are projected onto the display assembly after being refracted by the refraction plate.
Optionally, a limiting groove is formed in the base, and the flexible bump is accommodated in the limiting groove when the light-emitting disc rotates until the flexible bump abuts against the surface of the base.
Optionally, at least two light sources are arranged in the circumferential direction of the light-emitting disc, the light sources are arranged on the upper semicircle of the light-emitting disc, and the flexible bumps are arranged on the lower semicircle of the light-emitting disc.
Optionally, the driving assembly comprises a rocking handle, and the rocking handle is fixedly connected with the light-emitting disc.
Optionally, the driving assembly includes a motor, and an output shaft of the motor is fixedly connected to a central shaft of the light emitting disc.
Optionally, scales are arranged on one side, close to the refraction plate, of the display component, a photoresistor is arranged at the position of each scale, and a battery and display lamps of the number equal to the absolute value of the scale are connected in series to each photoresistor.
Optionally, the display lamp is disposed on a side of the display component away from the refracting plate.
Optionally, a first groove is formed in the base, and one end of the refraction plate is inserted into the first groove.
Optionally, the display device further comprises a light shield, the light shield is arranged between the light-emitting disc and the display assembly, a light inlet hole is formed in one side, close to the light-emitting disc, of the light shield, a light outlet hole is formed in one side, close to the display assembly, of the light shield, and at least part of the refraction plate is arranged in the light shield.
Optionally, one side of the light shield, which is far away from the base, is provided with a second groove opposite to the first groove, and the other end of the refracting plate penetrates through the second groove.
The technical scheme adopted by the application can achieve the following beneficial effects:
the embodiment of the application provides an optical demonstration device which comprises a base, a supporting part, a light-emitting disc, a driving assembly, a refraction plate and a display assembly. The supporting part is fixed on the base, and the light-emitting disc is rotatably connected to the supporting part. The light-emitting disc is perpendicular to the top surface of the base, the driving assembly is connected with the light-emitting disc and can drive the light-emitting disc to rotate, the refraction plate and the display assembly are arranged on the top surface of the base, and the display assembly is arranged on one side, far away from the light-emitting disc, of the refraction plate. The periphery of the light-emitting disc is provided with at least one light source, a flexible lug is arranged at the position, opposite to the light source, of the edge of the light-emitting disc, the light-emitting disc rotates to the position, where the flexible lug abuts against the surface of the base, and light rays emitted by the light source are projected onto the display assembly after being refracted by the refraction plate. The optical demonstration device provided by the embodiment of the application has high accuracy and demonstration efficiency.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of an optical demonstration apparatus according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a light-emitting disc of an optical demonstration apparatus according to an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of another optical demonstration apparatus according to an embodiment of the present application;
FIG. 4 is a front view of a display assembly of an optical presentation device according to an embodiment of the present application;
fig. 5 is a rear view of a display assembly of an optical demonstration apparatus according to an embodiment of the present application.
Description of reference numerals:
1-a base; 11-a limiting groove; 12-a first groove; 2-a support part; 3-a light-emitting disc; 31-a light source; 32-a flexible bump; 4-a drive assembly; 41-rocking handle; 42-a motor; 5-a refracting plate; 6-a display component; 61-a photoresistor; 62-display lamps; 7-a light shield; 71-light inlet holes; 72-light exit hole; 73-second groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Technical solutions disclosed in the embodiments of the present application are described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 5, an optical demonstration apparatus for demonstrating light refraction for preschool children and pupils is provided in the embodiments of the present application, which can improve the optical recognition and perception of the preschool children and pupils. The optical presentation device includes:
At least one light source 31 is arranged on the circumference of the light-emitting disk 3, a flexible bump 32 is arranged on the edge of the light-emitting disk 3 opposite to the light source 31, the flexible bump 32 can be made of rubber or plastic, and the shape of the flexible bump can be spherical, hemispherical or ellipsoidal. The light-emitting disc 3 rotates to the condition that the flexible bump 32 is abutted to the surface of the base 1, at this time, the light source 31 is located at a position far away from the top surface of the base 1, light rays emitted by the light source 31 are refracted by the refraction plate 5 and then projected onto the display component 6, specifically, the light source 31 emits incident light rays with a certain incident angle with horizontal light rays, and the incident light rays are refracted by the refraction plate 5 and then projected onto the display component 6. Under the condition that the light source 31 is not changed, the size of the refractive index of the refraction plate 5 can be judged according to the size of the light deviation degree obtained from the display component 6, and parameters such as the material and the thickness of the refraction plate 5 are directly related to the refractive index of the light. In addition, in the case that the light source 31 is plural, for example, the light source 31 with different wavelength may be adopted according to the type of the light source 31, and the relationship between the wavelength of the light source and the refractive index may be observed without changing the refractive plate.
The optics presentation device that this application embodiment provided through set up in on the luminous disc 3 light source 31 is relative flexible lug 32 luminous disc 3 pivoted in-process, flexible lug 32 can provide the position of the accurate refraction demonstration of light source 31 has guaranteed light source 31 with display module 6 just right, has improved optics presentation device's demonstration accuracy and demonstration efficiency.
Optionally, referring to fig. 1 and 3, a limiting groove 11 is provided on the base 1, and when the light-emitting disc 3 rotates until the flexible protrusion 32 abuts against the surface of the base 1, the flexible protrusion 32 is accommodated in the limiting groove 11.
Specifically, when the light-emitting disc 3 rotates until the flexible protrusion 32 abuts against the surface of the base 1, the surface of the base 1 may press the flexible protrusion 32, and after the flexible protrusion 32 is pressed and deformed, a certain friction force may be generated between the flexible protrusion 32 and the surface of the base 1, and at this time, a user may sense the pressing and deformation of the flexible protrusion 32, so as to determine the light-emitting position of the light source 31. However, since the process of pressing the surface of the base 1 against the flexible bump 32 may be long, it is difficult to accurately position the light-emitting position of the light source 31. And the arrangement of the limiting groove 11 can ensure that when the flexible lug 32 is abutted against the surface of the base 1, the flexible lug 32 falls into the limiting groove 11 to form an obvious accommodating position, and then the light-emitting position of the light source 31 can be accurately judged.
Optionally, the circumference of the light-emitting disc 3 is provided with at least two light sources 31, the number of the light sources 31 may specifically be two, three, four, five or more, the light sources 31 are all disposed in the upper semicircle of the light-emitting disc 3, the flexible bumps 32 are all disposed in the lower semicircle of the light-emitting disc 3, at this time, the light-emitting disc 3 only needs to rotate by a small angle, and the maximum angle is not greater than 180 °, so that the operation of optical demonstration can be completed, and the flow of the operation is simplified. In a specific embodiment, referring to fig. 2, five light sources 31 are arranged in the circumferential direction of the light-emitting disc 3, the five light sources 31 may be uniformly arranged at the edge of the upper half disc of the light-emitting disc 3, or may be arranged at a position close to the inside of the upper half disc of the light-emitting disc 3, and the five flexible protrusions 32 are uniformly arranged at the edge of the lower half disc of the light-emitting disc 3 to respectively limit the five light sources 31. In addition, a plurality of the light sources 31 may use light sources with different wavelengths, such as red light, yellow light, green light, and other light sources with different wavelengths, to demonstrate the relationship between the wavelength of the light source 31 and the refractive index.
Optionally, referring to fig. 1, the driving assembly 4 includes a rocking handle 41, and the rocking handle 41 is fixedly connected with the light emitting disc 3. Specifically, the presenter can manually shake the rocking handle 41 to drive the light-emitting disc 3 to rotate, and during the manual operation, the presenter can more sensitively feel the accurate position of the flexible bump 32 accommodated in the limiting groove 11, and can more accurately judge the light-emitting position of the light source 31.
Optionally, referring to fig. 1, the driving assembly 4 includes a motor 42, and an output shaft of the motor 42 is fixedly connected to a central shaft of the light emitting disc 3. Specifically, when the motor 42 is used to drive the light-emitting disk 3 to rotate, the rotation direction and the rotation speed of the light-emitting disk 3 can be accurately controlled, and the operability of the light-emitting disk 3 is improved.
Alternatively, referring to fig. 4 and 5, scales are arranged on one side of the display component 6 close to the refraction plate 5, a photoresistor 61 is arranged at the position of each scale, and a battery and a display lamp 62 with the number equal to the absolute value of the scale are connected in series with each photoresistor 61.
Specifically, when the light emitted from the light source 31 is refracted by the refraction plate 5 and then projected onto the display assembly 6, the light can irradiate the photo-resistor 61 at different scale positions, the resistance of the photo-resistor 61 is significantly reduced after the photo-resistor is irradiated to a certain degree, at this time, the photo-resistor 61 and the display lamp 62 connected in series correspondingly form a closed loop, and at this time, the display lamp 62 corresponding to the light irradiation scale position is turned on.
In a specific embodiment, referring to fig. 4 and 5, seven scales of-3, -2, -1, 0, 1, 2 and 3 are sequentially arranged on one side of the display component 6 close to the refracting plate 5 from bottom to top, the photoresistor 61 at the position of each scale is arranged at the position of the-3 scale, three display lamps 62 are connected in series with the photoresistor 61 at the position of the-3 scale, two display lamps 62 are connected in series with the photoresistor 61 at the position of the-2 scale, one display lamp 62, one display lamp 3, -2 and one display lamp 62 at the position of the-1 scale are connected in series with the photoresistor 61 at the position of the-1 scale, and the display lamps 62 with the same light color; the photoresistor 61 at the 3-scale position is connected with three display lamps 62 in series, the photoresistor 61 at the 2-scale position is connected with two display lamps 62 in series, the photoresistor 61 at the 1-scale position is connected with one display lamp 62 in series, and the 1, 2 and 3-scale display lamps 62 can adopt display lamps with the same light color, such as green display lamps, so as to be distinguished from the display lamps of the-3, -2 and-1-scale display lamps 62. For example, the light emitted from the light source 31 is refracted by the refraction plate 5 and then projected to the position of the scale-2 on the display component 6, the resistance of the photo-resistor 61 at the position of the scale-2 is significantly reduced after a certain degree of illumination, and at this time, the two red display lamps 62 are turned on.
Alternatively, referring to fig. 5, the display lamp 62 is disposed on a side of the display module 6 away from the refraction plate 5. Specifically, when the display lamp 62 is disposed on a side of the display component 6 away from the refracting plate 5, the display lamp 62 can face the outside of the optical demonstration apparatus, so that an observer can conveniently observe the color and the quantity of the display lamp 62 when being lighted, so as to judge the change condition of the light ray refractive index.
Optionally, referring to fig. 1 and 3, a first groove 12 is provided on the base 1, and one end of the refraction plate 5 is inserted into the first groove 12.
Specifically, an object of the optical demonstration device that this application embodiment provided is that demonstrate different materials and thickness refract the refractive index change of refraction board 5, for the convenience of the change of refracting board 5, refract board 5 can peg graft in first recess 12 of base 1 has improved optical demonstration device's demonstration efficiency.
Optionally, referring to fig. 3, the optical presentation apparatus further includes a light shield 7, the light shield 7 is disposed between the light emitting disc 3 and the display module 6, a light inlet 71 is disposed on a side of the light shield 7 close to the light emitting disc 3, a light outlet 72 is disposed on a side of the light shield 7 close to the display module 6, and at least a portion of the refraction plate 5 is disposed in the light shield 7.
Specifically, the refractive index of the refractive plate 5 is directly related to the selected material and thickness, but interference of sunlight or other light rays may exist in the demonstration environment of the optical demonstration device, so that the accuracy of demonstration is deteriorated. The arrangement of the light shield 7 can well protect the refraction light path of the refraction plate 5, and the interference of external light rays on demonstration is avoided.
Optionally, referring to fig. 3, a side of the light shield 7 away from the base 1 is provided with a second groove 73 opposite to the first groove 12, and the other end of the refraction plate 5 penetrates through the second groove 73.
Specifically, the second groove 73 may be a through groove as shown in fig. 3, and the refractive plate 5 needs to maintain a fixed angle during the demonstration, for example, in fig. 3, the refractive plate 5 should be kept in a vertical state to maintain the consistency of the optical path of the incident light before refraction. When only one end of the refraction plate 5 is inserted into the first groove 12, the other end of the refraction plate 5 is easy to deflect. And the setting of second recess 73 can be with the both ends of refracting board 5 are fixed, have guaranteed the position stability of refracting board 5, moreover refracting board 5 can also be when the installation follow second recess 73 is inserted the back joint in first recess 12, be convenient for the installation and the dismantlement of refracting board 5.
The second groove 73 may be a groove provided on an inner surface of the light shield 7 on a side away from the base 1, and may also serve to position the refractive plate 5 without penetrating the light shield 7.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. An optical presentation device, comprising:
a base (1);
the LED lamp holder comprises a supporting part (2), a light-emitting disc (3) and a driving assembly (4), wherein the supporting part (2) is fixed on a base (1), the light-emitting disc (3) is rotatably connected onto the supporting part (2), the light-emitting disc (3) is perpendicular to the top surface of the base (1), and the driving assembly (4) is connected with the light-emitting disc (3) and can drive the light-emitting disc (3) to rotate;
the light-emitting device comprises a light refracting plate (5) and a display component (6), wherein the light refracting plate (5) and the display component (6) are arranged on the top surface of the base (1), and the display component (6) is arranged on one side, far away from the light-emitting disc (3), of the light refracting plate (5);
the circumference of luminous disc (3) is provided with at least one light source (31), the edge of luminous disc (3) with the position that light source (31) are relative is provided with flexible lug (32), luminous disc (3) rotate extremely flexible lug (32) with under the circumstances that base (1) surface offsets, the light process that light source (31) sent throw after the refraction of refracting board (5) to on display component (6).
2. An optical demonstration device according to claim 1, wherein a limiting groove (11) is provided on the base (1), and the flexible projection (32) is received in the limiting groove (11) when the light-emitting disc (3) is rotated until the flexible projection (32) abuts against the surface of the base (1).
3. An optical demonstration device according to claim 1 characterized in that the circumference of the light emitting disc (3) is provided with at least two light sources (31), the light sources (31) being arranged in the upper half circle of the light emitting disc (3) and the flexible protrusions (32) being arranged in the lower half circle of the light emitting disc (3).
4. Optical demonstration device according to claim 1 characterized in that the drive assembly (4) comprises a rocking handle (41), the rocking handle (41) being fixedly connected with the light emitting disc (3).
5. Optical demonstration device according to claim 1 characterized in that the drive assembly (4) comprises a motor (42), the output shaft of the motor (42) being fixedly connected to the central shaft of the light emitting disc (3).
6. The optical demonstration device according to claim 1, characterized in that the display component (6) is provided with scales on the side close to the refracting plate (5), a photoresistor (61) is arranged at the position of each scale, and a battery and display lamps (62) with the number equal to the absolute value of the scale are connected in series with each photoresistor (61).
7. Optical demonstration device according to claim 6 characterized in that the display light (62) is arranged on the side of the display component (6) remote from the refracting plate (5).
8. Optical demonstration device according to claim 1, characterised in that a first recess (12) is provided on the base (1), and one end of the refracting plate (5) is plugged into the first recess (12).
9. An optical presentation device as claimed in claim 8, further comprising a light shield (7), wherein the light shield (7) is disposed between the light emitting disc (3) and the display module (6), a light inlet hole (71) is disposed on a side of the light shield (7) close to the light emitting disc (3), a light outlet hole (72) is disposed on a side of the light shield (7) close to the display module (6), and at least a part of the refraction plate (5) is disposed in the light shield (7).
10. An optical demonstration device according to claim 9, characterized in that a side of the light shield (7) remote from the base (1) is provided with a second groove (73) opposite to the first groove (12), and the other end of the refraction plate (5) is penetrated with the second groove (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021515818.4U CN212342138U (en) | 2020-07-28 | 2020-07-28 | Optical demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021515818.4U CN212342138U (en) | 2020-07-28 | 2020-07-28 | Optical demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212342138U true CN212342138U (en) | 2021-01-12 |
Family
ID=74081078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021515818.4U Expired - Fee Related CN212342138U (en) | 2020-07-28 | 2020-07-28 | Optical demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212342138U (en) |
-
2020
- 2020-07-28 CN CN202021515818.4U patent/CN212342138U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210112 Termination date: 20210728 |
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| CF01 | Termination of patent right due to non-payment of annual fee |