CN214955657U - Moon phase change demonstration instrument - Google Patents
Moon phase change demonstration instrument Download PDFInfo
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- CN214955657U CN214955657U CN202121363926.9U CN202121363926U CN214955657U CN 214955657 U CN214955657 U CN 214955657U CN 202121363926 U CN202121363926 U CN 202121363926U CN 214955657 U CN214955657 U CN 214955657U
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Abstract
The utility model discloses a moon phase change demonstrates appearance, the power distribution box comprises a box body, the demonstration board has been laid at the box top, be provided with on the demonstration board with celestial body in sun, moon, the earth relative position, individual, the corresponding sun demonstration ball of size, moon demonstration ball, earth demonstration ball, circular through-hole has been seted up on the demonstration board of earth demonstration ball department, circular through-hole department's box top has been laid and is used for driving moon demonstration ball to carry out the planetary gear who revolves around earth demonstration ball, circular through-hole center department rotates and has been laid and is used for driving earth demonstration ball to carry out the pivot of rotation, the utility model discloses simple structure, simple operation to can demonstrate the overall process that moon phase changes directly perceived, accurately, developments, vividly, can also demonstrate the relative position of moon, earth and sun.
Description
Technical Field
The utility model belongs to the technical field of geography teaching aid, concretely relates to moon phase change demonstrates appearance.
Background
Geography is a subject for researching geographic elements or the spatial distribution rule, the time evolution process and the regional characteristics of a geographic complex, is the intersection of natural science and human science, has the characteristics of comprehensiveness, intersection and regionality, along with the evolution of geographic information technology and research methods, new-period geography is turning to geographic science, the research subject emphasizes the comprehensive research of a land surface system, and the research paradigm is subjected to the simulation and prediction transition from geographic knowledge description, pattern coupling and process to a complex human-ground system.
The change of the lunar phase is an important content which requires students to master in the middle school geography lessons, but the content is abstract and unintelligible, the students have no experience of actual observation, and no image thinking is formed on the motion of celestial bodies, so the lunar phase is a blind area of geography learning and is a difficult point.
In the middle school geography textbook, the lunar phase cause is only indicated by a pair of lunar phase change schematic diagrams, and the lunar phase change schematic diagrams and the conventional lunar phase change schematic teaching aid are presented in a plane form, so that students cannot fully understand why the hemisphere of the moon is always illuminated by sunlight and people see the causes of different lunar phases, and finally the teaching effect is not ideal.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem who mainly solves provides a simple structure, simple operation and can demonstrate the overall process that the moon phase changed directly perceivedly, accurate, developments, vividly, can also demonstrate the moon phase change demonstration appearance of the relative position of moon, earth and sun.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a moon phase change demonstrates appearance, the power distribution box comprises a box body, the demonstration board has been laid at the box top, be provided with on the demonstration board with celestial body in the sun, the moon, the relative position of earth, it is individual, the corresponding sun demonstration ball of size, moon demonstration ball, earth demonstration ball, circular through-hole has been seted up on the demonstration board of earth demonstration ball department, the box top of circular through-hole department has been laid and is used for driving moon demonstration ball to carry out the planetary gear who revolves around earth demonstration ball, circular through-hole center department rotates and has been laid and is used for driving earth demonstration ball to carry out the pivot of rotation.
The following is the utility model discloses to above-mentioned technical scheme's further optimization:
the demonstration board is characterized in that a moon phase change diagram is distributed on one side of the upper surface of the demonstration board, the moon phase change diagram and the circular through hole are concentrically arranged, a sun position diagram is distributed on the other side of the upper surface of the demonstration board, the sun position diagram is located on the demonstration board at the sun demonstration ball, and a sun irradiation diagram is distributed on the upper surface of the demonstration board between the moon phase change diagram and the sun position diagram.
The bottom end of the rotating shaft penetrates through the top of the box body and extends into the box body, and the top end of the rotating shaft is fixedly connected with an earth demonstration ball.
The planetary transmission device comprises a sun gear fixedly sleeved on the rotating shaft, the sun gear is respectively connected with a first planetary gear and a second planetary gear in a meshing manner, the first planetary gear and the second planetary gear are respectively connected with a gear ring in a meshing manner, and the gear ring is fixedly sleeved in the circular through hole.
The tops of the sun gear, the first planetary gear and the second planetary gear are fixedly connected with the planet carrier, and a connecting rod is fixedly connected above the planet carrier.
One end of the connecting rod is fixedly connected with a moon demonstration ball, and the other end of the connecting rod is rotatably sleeved on the rotating shaft.
The moon demonstration ball comprises a black ball body fixedly arranged on the connecting rod and a white hemispherical shell buckled on the black ball body, the black ball body represents a moon, and the white hemispherical shell represents the sun to illuminate the moon.
The top of the connecting rod is provided with a threaded connecting piece, the upper end and the lower end of the black sphere are symmetrically provided with screw holes, and the threaded connecting piece is matched with the screw holes at the bottom of the black sphere.
The upper end and the lower end of the white hemispherical shell are symmetrically provided with convex blocks, round holes are arranged on the convex blocks, and when the white hemispherical shell is buckled on the black sphere, the round holes correspond to the screw holes on the black sphere.
The convex block at the upper end of the white hemispherical shell is fixed on the black sphere through a bolt and the convex block at the lower end of the white hemispherical shell is fixed on the black sphere through a threaded connection piece, and the white hemispherical shell can rotate around the black sphere.
The sun demonstration ball is a light-transmitting ball, a luminescent lamp is arranged in the light-transmitting ball, and the luminescent lamp is electrically connected with a battery arranged on a box body on one side close to the sun demonstration ball.
The utility model discloses a during the specific use, at first remove the moon demonstration ball to between earth demonstration ball and the sun demonstration ball and on same water flat line, later rotate white hemisphere shell, rotate white hemisphere shell towards sun demonstration ball, observe this moment, sunlight can not reflect to earth on the light on the moon, and earth night does not have a moonlight, is the first one of lunar calendar on earth promptly.
Because sunlight is emitted to the earth and the moon from one side in parallel, the white hemispherical shell always faces the sun demonstration ball, and the white hemispherical shell can be continuously rotated in the process that the moon demonstration ball rotates around the earth demonstration ball, so that the purpose can be realized.
When the moon demonstration ball continuously rotates anticlockwise around the earth demonstration ball, and the white hemispherical shell is continuously rotated at the same time, the white hemispherical shell is ensured to always face the sun demonstration ball, and the crescent moon mark, the moth-eyebrow moon mark, the upper string moon mark and the convex moon mark can be sequentially observed.
When the moon demonstration ball, the earth demonstration ball and the sun demonstration ball are positioned on the same horizontal line, and the earth demonstration ball is positioned between the moon demonstration ball and the sun demonstration ball, and the white hemispherical shell faces the sun demonstration ball, the sun shines on one surface of the earth in the daytime and the other surface of the earth in the night, and the light shining on the moon is totally reflected to one surface of the earth in the night to form moonlight, namely moonlight of fifteen and sixteen lunar calendars on the earth.
When the moon demonstration ball continuously rotates anticlockwise around the earth demonstration ball, the white hemispherical shell is continuously rotated, the white hemispherical shell is ensured to face the sun demonstration ball all the time, and the full moon mark, the convex moon mark, the lower string moon mark and the moth-brow moon mark can be observed in sequence.
By adopting the technical scheme, the utility model has the advantages of simple structure, ingenious design and convenient operation, and can intuitively, accurately, dynamically and vividly demonstrate the whole process of lunar phase change; in the process of demonstrating the change of the lunar phase, the relative positions of the moon, the earth and the sun can be demonstrated, and the change rule and principle of the lunar phase can be conveniently understood.
The present invention will be further explained with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of another direction according to an embodiment of the present invention;
fig. 3 is a schematic diagram of the effect of the embodiment of the present invention in the crescent;
fig. 4 is a schematic diagram of the effect of the embodiment of the present invention in the previous quarter;
fig. 5 is a schematic diagram of the effect of the embodiment of the present invention in the full moon;
fig. 6 is a schematic diagram of the effect of the embodiment of the present invention in the next quarter of the month.
In the figure: 1-a box body; 2-demonstration board; 21-a circular through hole; 22-lunar phase change plot; 23-sun exposure pattern; 24-sun position map; 3-earth demonstration ball; 4-sun demonstration ball; 41-a light emitting lamp; 42-a first battery pack; 5-moon demonstration ball; 51-black spheres; 52-white hemispherical shell; 53-threaded connections; 54-a bolt; 55-bumps; 6-a planetary transmission; 61-sun gear; 62-a first planet gear; 63-a second planetary gear; 64-a planet carrier; 65-connecting rods; 66-a gear ring; 7-a rotating shaft; 8-a drive device; 81-second battery.
Detailed Description
Example (b): referring to fig. 1-6, a moon phase change demonstration instrument, including box 1, demonstration board 2 has been laid at box 1 top, demonstration board 2 is last be provided with in the celestial body sun, the moon, the relative position of earth, individual, the corresponding sun demonstration ball 4 of size, moon demonstration ball 5, earth demonstration ball 3, circular through-hole 21 has been seted up on demonstration board 2 of earth demonstration ball 3 department, box 1 top at circular through-hole 21 department has been laid and is used for driving moon demonstration ball 5 to carry out the planetary gear 6 that revolves around earth demonstration ball 3, circular through-hole 21 center department rotates and has been laid and is used for driving earth demonstration ball 3 to carry out the pivot 7 of rotation.
A lunar phase change diagram 22 is arranged on one side of the upper surface of the demonstration board 2, the lunar phase change diagram 22 is concentrically arranged with the circular through hole 21, a solar position diagram 24 is arranged on the other side of the upper surface of the demonstration board 2, the solar position diagram 24 is positioned on the demonstration board 2 at the position of the solar demonstration ball 4, and a solar irradiation diagram 23 is arranged on the upper surface of the demonstration board 2 between the lunar phase change diagram 22 and the solar position diagram 24.
The design shows the lunar phase change diagram on the board 2, shows the lunar phase change diagram 22 of the moon at 8 different positions around the earth, and illustrates that the lunar phase is changed at different positions; the upper surface of the demonstration board 2 is provided with a solar irradiation picture 23 which indicates the irradiation direction of the sun demonstration ball 4.
The bottom end of the rotating shaft 7 penetrates through the top of the box body 1 and extends into the box body 1, a driving device 8 is fixedly connected with the inside of the box body, and the top end of the rotating shaft 7 is fixedly connected with an earth demonstration ball 3.
Through the design, the rotating shaft 7 is driven to rotate by the driving device 8, and the rotating shaft 7 rotates to drive the earth demonstration ball 3 to synchronously rotate, so that the rotation of the earth demonstration ball 3 is realized.
The planetary transmission device 6 comprises a sun gear 61 fixedly sleeved on the rotating shaft 7, the sun gear 61 is respectively connected with a first planetary gear 62 and a second planetary gear 63 in a meshing manner, the first planetary gear 62 and the second planetary gear 63 are respectively connected with a gear ring 66 in a meshing manner, and the gear ring 66 is fixedly sleeved in the circular through hole 21.
The top parts of the sun gear 61, the first planetary gear 62 and the second planetary gear 63 are all fixedly connected with a planet carrier 64, and a connecting rod 65 is fixedly connected above the planet carrier 64.
One end of the connecting rod 65 is fixedly connected with the moon demonstration ball 5, and the other end is rotatably sleeved on the rotating shaft 7.
Due to the design, the rotating shaft 7 rotates to drive the sun gear 61 to synchronously rotate, the sun gear 61 rotates to drive the first planetary gear 62 and the second planetary gear 63 to synchronously transmit, and the first planetary gear 62 and the second planetary gear 63 rotate in a reciprocating mode along the direction of the gear ring 66, so that the planet carrier 64 rotates in a reciprocating mode along the direction of the gear ring 66 by taking the rotating shaft 7 as the center, the connecting rod 65 on the planet carrier 64 drives the moon demonstration ball 5 to rotate in a reciprocating mode around the center of the rotating shaft 7 along the direction of the gear ring 66, and the revolution of the moon demonstration ball 5 around the earth demonstration ball 3 is realized.
The moon demonstration ball 5 comprises a black ball 51 fixedly mounted on the connecting rod 65 and a white hemispherical shell 52 buckled on the black ball 51, wherein the black ball 51 represents the moon, and the white hemispherical shell 52 represents the sun illuminating part of the moon.
The top of the connecting rod 65 is provided with a threaded connector 53, the upper end and the lower end of the black sphere 51 are symmetrically provided with screw holes, and the threaded connector 53 is matched with the screw holes at the bottom of the black sphere 51.
The upper end and the lower end of the white hemispherical shell 52 are symmetrically provided with a convex block 55, the convex block 55 is provided with a round hole, and when the white hemispherical shell 52 is buckled on the black sphere 51, the round hole corresponds to the screw hole on the black sphere 51.
The convex block 55 at the upper end of the white semispherical shell 52 is fixed on the black spherical body 51 through the bolt 54 and the convex block 55 at the lower end of the white semispherical shell 52 is fixed on the black spherical body 51 through the threaded connection piece 53, and the white semispherical shell 52 can rotate around the black spherical body 51.
The sun demonstration ball 4 is a light-transmitting ball, a light-emitting lamp 41 is arranged in the light-transmitting ball, and the light-emitting lamp 41 is electrically connected with a first battery pack 42 arranged on the box body 1 on one side close to the sun demonstration ball 4.
The driving device 8 in this embodiment may be a driving motor electrically connected to the second battery pack 81 on the case 1 on the side close to the driving motor, or may be another driving device.
The utility model discloses a during the specific use, at first remove moon demonstration ball 5 to earth demonstration ball 3 remove with the sun demonstration between the ball 4 and on same water flat line, later rotate white hemisphere shell 52, rotate white hemisphere shell 52 towards sun demonstration ball 4, observe this moment, the sunlight can not reflect to the earth on the light on the moon, the earth is dark night and has not had a moonlight, the first lunar calendar on the earth promptly.
Because sunlight is emitted to the earth and the moon from one side in parallel, the white hemispherical shell 52 always faces the sun demonstration ball 4, and the white hemispherical shell 52 is continuously rotated in the process that the moon demonstration ball 5 rotates around the earth demonstration ball 3, so that the purpose can be achieved.
When the moon demonstration ball 5 rotates around the earth demonstration ball 3 continuously in the anticlockwise direction, the white hemispherical shell 52 is rotated continuously, the white hemispherical shell 52 is ensured to face the sun demonstration ball 4 all the time, and a crescent mark, a moth-brow mark, a crescent mark and a crescent mark can be observed in sequence.
When the moon demonstration ball 5, the earth demonstration ball 3 and the sun demonstration ball 4 are located on the same horizontal line and the earth demonstration ball 3 is located between the moon demonstration ball 5 and the sun demonstration ball 4, meanwhile, the white hemispherical shell 52 faces the sun demonstration ball 4, it is observed that one side of the sun shining on the earth is day time, the other side of the sun shining on the earth is night, and at the moment, all light shining on the moon is reflected to one side of the earth at night to form moonlight, namely, moonlight of the lunar calendar fifteen and sixteen moonlight on the earth.
When the moon demonstration ball 5 rotates around the earth demonstration ball 3 continuously anticlockwise, the white hemispherical shell 52 is rotated continuously, the white hemispherical shell 52 is ensured to face the sun demonstration ball 4 all the time, and the full moon mark, the convex moon mark, the lower string moon mark and the moth-eyebrow moon mark can be observed in sequence.
By adopting the technical scheme, the utility model has the advantages of simple structure, ingenious design and convenient operation, and can intuitively, accurately, dynamically and vividly demonstrate the whole process of lunar phase change; in the process of demonstrating the change of the lunar phase, the relative positions of the moon, the earth and the sun can be demonstrated, and the change rule and principle of the lunar phase can be conveniently understood.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a moon phase change demonstrates appearance, includes box (1), its characterized in that: demonstration board (2) has been laid at box (1) top, be provided with on demonstration board (2) with celestial body in the sun, the moon, the relative position of earth, it is individual, big or small corresponding sun demonstration ball (4), moon demonstration ball (5), earth demonstration ball (3), circular through-hole (21) have been seted up on demonstration board (2) of earth demonstration ball (3) department, box (1) top of circular through-hole (21) department has been laid and is used for driving moon demonstration ball (5) to carry out planetary gear (6) of revolution around earth demonstration ball (3), circular through-hole (21) center department rotates and has been laid and is used for driving earth demonstration ball (3) to carry out pivot (7) of rotation.
2. A moon phase change demonstration apparatus according to claim 1, wherein: a lunar phase change diagram (22) is distributed on one side of the upper surface of the demonstration board (2), the lunar phase change diagram (22) and the circular through hole (21) are concentrically arranged, a solar position diagram (24) is distributed on the other side of the upper surface of the demonstration board (2), the solar position diagram is positioned on the demonstration board (2) at the position of the solar demonstration ball (4), and a solar irradiation diagram (23) is distributed on the upper surface of the demonstration board (2) between the lunar phase change diagram (22) and the solar position diagram (24).
3. A moon phase change demonstration apparatus according to claim 2, wherein: the bottom end of the rotating shaft (7) penetrates through the top of the box body (1) and extends into the box body (1) to be fixedly connected with a driving device (8), and the top end of the rotating shaft (7) is fixedly connected with an earth demonstration ball (3).
4. A moon phase change demonstration apparatus according to claim 3, wherein: the planetary transmission device (6) comprises a sun gear (61) fixedly sleeved on the rotating shaft (7), the sun gear (61) is respectively connected with a first planetary gear (62) and a second planetary gear (63) in a meshed mode, the first planetary gear (62) and the second planetary gear (63) are respectively connected with a gear ring (66) in a meshed mode, and the gear ring (66) is fixedly sleeved in a circular through hole (21).
5. The apparatus for demonstrating the phase change of the moon according to claim 4, wherein: the tops of the sun gear (61), the first planetary gear (62) and the second planetary gear (63) are fixedly connected with a planet carrier (64), and a connecting rod (65) is fixedly connected above the planet carrier (64).
6. A moon phase change demonstration instrument according to claim 5, wherein: one end of the connecting rod (65) is fixedly connected with a moon demonstration ball (5), and the other end is rotatably sleeved on the rotating shaft (7).
7. A moon phase change demonstration apparatus according to claim 6, wherein: the moon demonstration ball (5) comprises a black ball body (51) fixedly arranged on the connecting rod (65) and a white hemispherical shell (52) buckled on the black ball body (51), wherein the black ball body (51) represents a moon, and the white hemispherical shell (52) represents a part of the moon illuminated by the sun.
8. A moon phase change demonstration apparatus according to claim 7, wherein: the top of the connecting rod (65) is provided with a threaded connecting piece (53), the upper end and the lower end of the black sphere (51) are symmetrically provided with screw holes, and the threaded connecting piece (53) is matched with the screw holes at the bottom of the black sphere (51).
9. A moon phase change demonstration apparatus according to claim 8, wherein: the upper end and the lower end of the white hemispherical shell (52) are symmetrically provided with convex blocks (55), round holes are formed in the convex blocks (55), when the white hemispherical shell (52) is buckled on the black sphere (51), the round holes correspond to screw holes in the black sphere (51), the convex blocks (55) at the upper end and the lower end of the white hemispherical shell (52) are fixed on the black sphere (51) through bolts (54) and threaded connectors (53), and the white hemispherical shell (52) can rotate around the black sphere (51).
10. A lunar phase change demonstration apparatus according to claim 9, wherein: the sun demonstration ball (4) is a light-transmitting ball, a luminescent lamp (41) is arranged in the light-transmitting ball, and the luminescent lamp (41) is electrically connected with a first battery pack (42) arranged on the box body (1) on one side close to the sun demonstration ball (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121363926.9U CN214955657U (en) | 2021-06-19 | 2021-06-19 | Moon phase change demonstration instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121363926.9U CN214955657U (en) | 2021-06-19 | 2021-06-19 | Moon phase change demonstration instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214955657U true CN214955657U (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121363926.9U Active CN214955657U (en) | 2021-06-19 | 2021-06-19 | Moon phase change demonstration instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214955657U (en) |
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2021
- 2021-06-19 CN CN202121363926.9U patent/CN214955657U/en active Active
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