CN108492709B - Moon phase observation instrument - Google Patents

Moon phase observation instrument Download PDF

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Publication number
CN108492709B
CN108492709B CN201810166499.1A CN201810166499A CN108492709B CN 108492709 B CN108492709 B CN 108492709B CN 201810166499 A CN201810166499 A CN 201810166499A CN 108492709 B CN108492709 B CN 108492709B
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sphere
moon
lunar
angle clamping
clamping controller
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CN108492709A (en
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王圣常
王珺文
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王圣常
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B27/00Planetaria; Globes
    • G09B27/02Tellurions; Orreries

Abstract

The invention relates to the field of astronomical teaching devices and discloses a lunar phase observer which comprises a globe and a lunar model revolving around the globe, wherein the lunar model comprises a first sphere and a second sphere, the first sphere is internally provided with a cavity, the side wall of the first sphere is made of transparent materials, the second sphere is arranged in the cavity inside the first sphere, a magnet is embedded in the second sphere, the outer surfaces of the left hemisphere and the right hemisphere of the second sphere are provided with two color layers, and the lunar model can horizontally rotate in the cavity. The invention uses black and white plastic ball to represent the moon, and in the revolution process, the magnet inside the moon rotates under the action of the earth magnetic field, so that the day and night hemisphere of the moon always keeps the east-west orientation, and the revolution process of the moon can be simulated more truly; the revolution process of the moon is observed, and the change process of the lunar phase can be visually and intuitively seen; a lunar phase diagram can be drawn on the lunar phase plate, so that students can conveniently understand and master the lunar phase change rule; the second ball body and the first ball body have multiple matching modes.

Description

Moon phase observation instrument
Technical Field
The invention relates to the field of astronomical lunar phase teaching devices, in particular to a lunar phase observer.
Background
Currently, there are two main types of models for lunar phase teaching: the first is a two-dimensional model on a textbook; and the other is a simple three-dimensional model consisting of a small base and a black and white plastic ball. The former is too abstract, so that the formation of the lunar phase cannot be demonstrated, and the change process of the lunar phase cannot be simulated, so that students cannot understand and master the lunar phase; although the latter can show the lunar hemisphere and the lunar hemisphere, the change process of the lunar phase cannot be simulated, the lunar hemisphere and the lunar hemisphere need to be manually adjusted in operation, the scientificity is lacked, and even if the explanation is matched, students cannot accept the lunar hemisphere and the lunar hemisphere.
The demonstration instrument is a three-dimensional model, on one hand, each lunar phase can be clearly shown, and more remarkably, the change process of the lunar phase is clearly shown in the process of simulating lunar revolution.
Disclosure of Invention
The invention provides a lunar phase observer aiming at the problems in the prior art.
In order to solve the technical problem, the invention is solved by the following technical scheme:
a lunar phase observer comprises a globe and a lunar model revolving around the globe, wherein the lunar model comprises a first globe and a second globe, the first globe is internally provided with a cavity, the side wall of the first globe is made of transparent material, the second globe is arranged in the cavity inside the first globe, a magnet is embedded in the second globe, the outer surfaces of the left hemisphere and the right hemisphere of the second globe are provided with two color layers, the direction of the magnet is positioned in the plane of the boundary line of the two color layers, the magnet drives the second globe to horizontally rotate in the cavity under the action of the earth magnetic field when the lunar model revolves, the highest part of the inner wall of the first globe is provided with a bearing, the bearing is provided with a hanging rope, the second globe is fixed on the hanging rope and freely rotates relative to the first globe under the action of external force, the globe comprises a base and a fixed shaft fixed on the base, the top of the fixed shaft is provided with, the rotating ball body rotates around the rotating support, the sleeve shaft is sleeved on the fixed shaft, the moon shifting lever is movably connected to the sleeve shaft, the lowest position of the bottom end of the first ball body is connected with the moon shifting lever and rotates along with the sleeve shaft and the moon shifting lever, the fixed shaft is further provided with a circular lunar phase plate, the upper surface of the lunar phase plate is used for drawing a lunar phase diagram, and a compass is embedded on the lunar phase plate.
Preferably, the magnet in the second sphere is positioned at the bottom of the second sphere, water is arranged in the first sphere, and the second sphere floats on the water surface.
Preferably, a hemispherical limiting block is arranged on the inner wall of the first sphere, a hemispherical concave cavity is formed in the middle of the limiting block, and the upper half part of the second sphere extends into the concave cavity.
Preferably, the lowest part of the inner wall of the first ball body is provided with a bearing, and the second ball body is fixed on the bearing and can freely rotate relative to the first ball body when being subjected to external force.
Preferably, the bearing is arranged at the highest position of the inner wall of the first ball body, and the second ball body is fixed on the bearing and can freely rotate relative to the first ball body when being subjected to external force.
Preferably, the first sphere is provided with an opening, the opening divides the first sphere into two symmetrical hemispheres, and the two symmetrical hemispheres are detachably connected; the second sphere is also provided with an opening, the opening divides the second sphere into two symmetrical hemispheres, and the two symmetrical hemispheres can be detachably connected.
Preferably, the fixed shaft is further provided with an angle clamping controller for controlling the inclination angle of the moon deflector rod, the sleeve shaft is positioned in the angle clamping controller, the angle clamping controller comprises an upper angle clamping controller and a lower angle clamping controller, the bottom end of the lower angle clamping controller is fixed on the lunar phase plate, the opposite surfaces of the upper angle clamping controller and the lower angle clamping controller are inclined surfaces, the inclination angle of the inclined surfaces is the same as the included angle between a white road surface and a yellow road surface, the moon deflector rod extends into the interior from the gap between the upper angle clamping controller and the lower angle clamping controller to be hinged with the sleeve shaft, and the angle of the moon deflector rod is automatically adjusted along the gap between the upper angle clamping controller and the lower angle clamping controller during rotation so as to simulate revolution of the moon.
The invention adopts the scheme and has the following beneficial effects: the invention uses black and white plastic ball to represent the moon, and in the revolution process, the magnet inside the moon rotates under the action of the earth magnetic field, so that the day and night hemisphere of the moon always keeps the east-west orientation, and the revolution process of the moon can be simulated more truly; the revolution process of the moon is observed, and the change process of the lunar phase can be visually and intuitively seen; by drawing the lunar phase diagram on the lunar phase disk, students can understand and master the lunar phase change rule conveniently; the second ball body and the first ball body have multiple matching modes, and a proper mode is selected according to needs.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a lunar plate.
Fig. 3 is a schematic structural diagram of the moon model in embodiment 1.
Fig. 4 is a schematic structural diagram of the moon model in example 2.
Fig. 5 is a schematic structural diagram of the moon model in example 3.
Fig. 6 is a schematic structural diagram of the moon model in example 4.
Fig. 7 is a schematic structural diagram of the moon model in example 5.
Fig. 8 is a schematic structural diagram of the second sphere.
Fig. 9 is a front view of the angle converter.
The names of the parts indicated by the numerical references in the drawings are as follows: the device comprises a globe 1, a globe 11, a base 12, a fixed shaft 12, a rotating support 13, a rotating sphere 14, a rotating sphere 2, a moon model 21, a first sphere 22, a second sphere 221, a daytime hemisphere 222, a night hemisphere 23, water 24, a cavity 24, a limiting block 25, a bearing 26, a hanging rope 27, a moon deflector rod 3, a moon phase plate 4, a sun support 5, a sun model 6, a sun sleeve 7, an included angle controller 8, an upper included angle controller 81 and a lower included angle controller 82.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
A lunar phase observer, as shown in fig. 1, 2, 3, 5, 8, 9, which comprises a globe 1 and a lunar model 2 revolving around the globe 1, wherein the lunar model 2 comprises a first sphere 21 and a second sphere 22, the first sphere 21 has a cavity 24 inside, the sidewall of the first sphere 21 is made of transparent material, the second sphere 22 is disposed in the cavity 24 inside the first sphere 21, a magnet is embedded in the second sphere 22, two color layers are disposed on the outer surfaces of the left and right hemispheres of the second sphere 22, the orientation of the magnet is located in the plane of the boundary line of the two color layers, the magnet drives the second sphere 22 to horizontally rotate in the cavity 24 under the action of the earth magnetic field when the lunar model 2 revolves, a bearing 26 is disposed at the highest position of the inner wall of the first sphere 21, a hanging rope 27 is disposed on the bearing 26, the second sphere 22 is fixed on the hanging rope 27, and freely rotates relative to the first sphere 21 when being subjected to an external force, the globe 1 includes base 11 and fixes fixed axle 12 on base 11, fixed axle 12 top is equipped with runing rest 13, be equipped with rotatory spheroid 14 on the runing rest 13, rotatory spheroid 14 centers on runing rest 13 rotation, the cover is equipped with sleeve shaft 7 on the fixed axle 12, swing joint has moon driving lever 3 on the sleeve shaft 7, the bottom least of first spheroid 21 is connected with moon driving lever 3 and follows sleeve shaft 7 and moon driving lever 3 rotatoryly, still be equipped with circular shape lunar phase dish 4 on the fixed axle 12, the upper surface of lunar phase dish 4 is used for drawing the lunar phase picture, it has the compass to inlay on the lunar phase dish 4.
The magnet in the second sphere 22 is located at the bottom of the second sphere 22, the water 23 is arranged in the first sphere 21, and the second sphere 22 floats on the water 23.
The first sphere 21 is provided with an opening, the opening divides the first sphere 21 into two symmetrical hemispheres, and the two symmetrical hemispheres are detachably connected; the second sphere 22 is also provided with an opening, and the opening divides the second sphere 22 into two symmetrical hemispheres which are detachably connected.
The fixed shaft 12 is further provided with an angle clamping controller 8 for controlling the inclination angle of the moon deflector rod 3, the sleeve shaft 7 is located inside the angle clamping controller 8, the angle clamping controller 8 comprises an upper angle clamping controller 81 and a lower angle clamping controller 82, the bottom end of the lower angle clamping controller 82 is fixed on the lunar phase plate 4, the opposite surfaces of the upper angle clamping controller 81 and the lower angle clamping controller 82 are inclined surfaces, the inclination angle of the inclined surfaces is the same as the included angle between a white road surface and a yellow road surface, the moon deflector rod 3 extends into the inner part from the gap between the upper angle clamping controller 81 and the lower angle clamping controller 82 to be hinged with the sleeve shaft 7, and the angle of the moon deflector rod 3 is automatically adjusted along the gap between the upper angle clamping controller 81 and the lower angle clamping controller 82 to simulate revolution of a moon during rotation.
In this embodiment, the fixed shaft 12 is further provided with a sun support 5, and the sun support 5 is provided with a sun model 6.
Example 2
A lunar phase observer, as shown in fig. 1, 2, 4, 5, 8, 9, which comprises a globe 1 and a lunar model 2 revolving around the globe 1, wherein the lunar model 2 comprises a first sphere 21 and a second sphere 22, the first sphere 21 has a cavity 24 inside, the sidewall of the first sphere 21 is made of transparent material, the second sphere 22 is disposed in the cavity 24 inside the first sphere 21, a magnet is embedded in the second sphere 22, two color layers are disposed on the outer surfaces of the left and right hemispheres of the second sphere 22, the orientation of the magnet is located in the plane of the boundary line of the two color layers, the magnet drives the second sphere 22 to horizontally rotate in the cavity 24 under the action of the earth magnetic field when the lunar model 2 revolves, a bearing 26 is disposed at the highest position of the inner wall of the first sphere 21, a hanging rope 27 is disposed on the bearing 26, the second sphere 22 is fixed on the hanging rope 27, and freely rotates relative to the first sphere 21 when being subjected to an external force, the globe 1 comprises a base 11 and a fixed shaft 12 fixed on the base 11, a rotating support 13 is arranged at the top of the fixed shaft 12, a rotating ball 14 is arranged on the rotating support 13, the rotating ball 14 rotates around the rotating support 13, a sleeve shaft 7 is sleeved on the fixed shaft 12, a moon deflector rod 3 is movably connected onto the sleeve shaft 7, and the lowest position of the bottom end of a first ball 21 is connected with the moon deflector rod 3 and rotates along with the sleeve shaft 7 and the moon deflector rod 3. The fixed shaft 12 is also provided with a round moon phase plate 4, the upper surface of the moon phase plate 4 is used for drawing a moon phase picture, and a compass is embedded on the moon phase plate 4.
The magnet in the second spheroid 22 is located the bottom of second spheroid 22, is equipped with water 23 in the first spheroid 21, and second spheroid 22 floats in water 23 face, and first spheroid 21 inner wall department is equipped with hemispherical stopper 25, and stopper 25 middle part is equipped with hemispherical cavity, and the first half of second spheroid 22 stretches into in the cavity.
The first sphere 21 is provided with an opening, the opening divides the first sphere 21 into two symmetrical hemispheres, and the two symmetrical hemispheres are detachably connected; the second sphere 22 is also provided with an opening, and the opening divides the second sphere 22 into two symmetrical hemispheres which are detachably connected.
The globe 1 comprises a base 11 and a fixed shaft 12 fixed on the base 11, a rotating support 13 is arranged at the top of the fixed shaft 12, a rotating ball 14 is arranged on the rotating support 13, the rotating ball 14 rotates around the rotating support 13, a sleeve shaft 7 is sleeved on the fixed shaft 12, a moon deflector rod 3 is movably connected onto the sleeve shaft 7, and the lowest position of the bottom end of a first ball 21 is connected with the moon deflector rod 3 and rotates along with the sleeve shaft 7 and the moon deflector rod 3.
The fixed shaft 12 is also provided with a round moon phase plate 4, the upper surface of the moon phase plate 4 is used for drawing a moon phase picture, and a compass is embedded on the moon phase plate 4. Symmetrical hemispheres, and the two symmetrical hemispheres can be detachably connected.
The fixed shaft 12 is further provided with an angle clamping controller 8 for controlling the inclination angle of the moon deflector rod 3, the sleeve shaft 7 is located inside the angle clamping controller 8, the angle clamping controller 8 comprises an upper angle clamping controller 81 and a lower angle clamping controller 82, the bottom end of the lower angle clamping controller 82 is fixed on the lunar phase plate 4, the opposite surfaces of the upper angle clamping controller 81 and the lower angle clamping controller 82 are inclined surfaces, the inclination angle of the inclined surfaces is the same as the included angle between a white road surface and a yellow road surface, the moon deflector rod 3 extends into the inner part from the gap between the upper angle clamping controller 81 and the lower angle clamping controller 82 to be hinged with the sleeve shaft 7, and the angle of the moon deflector rod 3 is automatically adjusted along the gap between the upper angle clamping controller 81 and the lower angle clamping controller 82 to simulate revolution of a moon during rotation.
Example 3
A lunar phase observer, as shown in fig. 1, 2, 5, 8, 9, the lunar phase observer includes a globe 1 and a lunar model 2 revolving around the globe 1, the lunar model 2 includes a first globe 21 and a second globe 22, the first globe 21 is provided with a cavity 24 inside, the sidewall of the first globe 21 is made of transparent material, the second globe 22 is disposed in the cavity 24 inside the first globe 21, a magnet is embedded in the second globe 22, the outer surfaces of the left and right hemispheres of the second globe 22 are provided with two color layers, the orientation of the magnet is located in the plane where the boundary line of the two color layers is located, the magnet drives the second globe 22 to horizontally rotate 23 in the cavity 24 under the action of the earth magnetic field when the lunar model 2 revolves, the bearing 26 is disposed at the highest position of the inner wall of the first globe 21, a hanging rope 27 is disposed on the bearing 26, the second globe 22 is fixed on the hanging rope 27, and freely rotates relative to the first globe 21 when receiving an external force, the globe 1 includes base 11 and fixes fixed axle 12 on base 11, fixed axle 12 top is equipped with runing rest 13, be equipped with rotatory spheroid 14 on the runing rest 13, rotatory spheroid 14 centers on runing rest 13 rotation, the cover is equipped with sleeve shaft 7 on the fixed axle 12, swing joint has moon driving lever 3 on the sleeve shaft 7, the bottom least of first spheroid 21 is connected with moon driving lever 3 and follows sleeve shaft 7 and moon driving lever 3 rotatoryly, still be equipped with circular shape lunar phase dish 4 on the fixed axle 12, the upper surface of lunar phase dish 4 is used for drawing the lunar phase picture, it has the compass to inlay on the lunar phase dish 4.
The lowest part of the inner wall of the first ball 21 is provided with a bearing 26, and the second ball 22 is fixed on the bearing 26 and can freely rotate relative to the first ball 21 when being subjected to external force.
The first sphere 21 is provided with an opening, the opening divides the first sphere 21 into two symmetrical hemispheres, and the two symmetrical hemispheres are detachably connected; the second sphere 22 is also provided with an opening, and the opening divides the second sphere 22 into two symmetrical hemispheres which are detachably connected.
The fixed shaft 12 is further provided with an angle clamping controller 8 for controlling the inclination angle of the moon deflector rod 3, the sleeve shaft 7 is located inside the angle clamping controller 8, the angle clamping controller 8 comprises an upper angle clamping controller 81 and a lower angle clamping controller 82, the bottom end of the lower angle clamping controller 82 is fixed on the lunar phase plate 4, the opposite surfaces of the upper angle clamping controller 81 and the lower angle clamping controller 82 are inclined surfaces, the inclination angle of the inclined surfaces is the same as the included angle between a white road surface and a yellow road surface, the moon deflector rod 3 extends into the inner part from the gap between the upper angle clamping controller 81 and the lower angle clamping controller 82 to be hinged with the sleeve shaft 7, and the angle of the moon deflector rod 3 is automatically adjusted along the gap between the upper angle clamping controller 81 and the lower angle clamping controller 82 to simulate revolution of a moon during rotation.
Example 4
A lunar phase observer, as shown in fig. 1, 2, 5, 6, 8, 9, which comprises a globe 1 and a lunar model 2 revolving around the globe 1, wherein the lunar model 2 comprises a first sphere 21 and a second sphere 22, the first sphere 21 has a cavity 24 inside, the sidewall of the first sphere 21 is made of transparent material, the second sphere 22 is disposed in the cavity 24 inside the first sphere 21, a magnet is embedded in the second sphere 22, two color layers are disposed on the outer surfaces of the left and right hemispheres of the second sphere 22, the orientation of the magnet is located in the plane of the boundary line of the two color layers, the magnet drives the second sphere 22 to horizontally rotate in the cavity 24 under the action of the earth magnetic field when the lunar model 2 revolves, a bearing 26 is disposed at the highest position of the inner wall of the first sphere 21, a hanging rope 27 is disposed on the bearing 26, the second sphere 22 is fixed on the hanging rope 27, and freely rotates relative to the first sphere 21 when being subjected to an external force, the globe 1 includes base 11 and fixes fixed axle 12 on base 11, fixed axle 12 top is equipped with runing rest 13, be equipped with rotatory spheroid 14 on the runing rest 13, rotatory spheroid 14 centers on runing rest 13 rotation, the cover is equipped with sleeve shaft 7 on the fixed axle 12, swing joint has moon driving lever 3 on the sleeve shaft 7, the bottom least of first spheroid 21 is connected with moon driving lever 3 and follows sleeve shaft 7 and moon driving lever 3 rotatoryly, still be equipped with circular shape lunar phase dish 4 on the fixed axle 12, the upper surface of lunar phase dish 4 is used for drawing the lunar phase picture, it has the compass to inlay on the lunar phase dish 4.
The highest position of the inner wall of the first ball 21 is provided with a bearing 26, and the second ball 22 is fixed on the bearing 26 and can freely rotate relative to the first ball 21 when being subjected to external force.
The first sphere 21 is provided with an opening, the opening divides the first sphere 21 into two symmetrical hemispheres, and the two symmetrical hemispheres are detachably connected; the second sphere 22 is also provided with an opening, and the opening divides the second sphere 22 into two symmetrical hemispheres which are detachably connected.
The fixed shaft 12 is further provided with an angle clamping controller 8 for controlling the inclination angle of the moon deflector rod 3, the sleeve shaft 7 is located inside the angle clamping controller 8, the angle clamping controller 8 comprises an upper angle clamping controller 81 and a lower angle clamping controller 82, the bottom end of the lower angle clamping controller 82 is fixed on the lunar phase plate 4, the opposite surfaces of the upper angle clamping controller 81 and the lower angle clamping controller 82 are inclined surfaces, the inclination angle of the inclined surfaces is the same as the included angle between a white road surface and a yellow road surface, the moon deflector rod 3 extends into the inner part from the gap between the upper angle clamping controller 81 and the lower angle clamping controller 82 to be hinged with the sleeve shaft 7, and the angle of the moon deflector rod 3 is automatically adjusted along the gap between the upper angle clamping controller 81 and the lower angle clamping controller 82 to simulate revolution of a moon during rotation.
Example 5
A lunar phase observer, as shown in fig. 1, 2, 5, 7, 8, 9, which comprises a globe 1 and a lunar model 2 revolving around the globe 1, wherein the lunar model 2 comprises a first sphere 21 and a second sphere 22, the first sphere 21 has a cavity 24 inside, the sidewall of the first sphere 21 is made of transparent material, the second sphere 22 is arranged in the cavity 24 inside the first sphere 21, a magnet is embedded in the second sphere 22, two color layers are arranged on the outer surfaces of the left and right hemispheres of the second sphere 22, the orientation of the magnet is located in the plane of the boundary line of the two color layers, the magnet drives the second sphere 22 to rotate horizontally in the cavity 24 under the action of the earth magnetic field when the lunar model 2 revolves, a bearing 26 is arranged at the highest position of the inner wall of the first sphere 21, a hanging rope 27 is arranged on the bearing 26, the second sphere 22 is fixed on the hanging rope 27, and freely rotates relative to the first sphere 21 when being subjected to external force, the globe 1 includes base 11 and fixes fixed axle 12 on base 11, fixed axle 12 top is equipped with runing rest 13, be equipped with rotatory spheroid 14 on the runing rest 13, rotatory spheroid 14 centers on runing rest 13 rotation, the cover is equipped with sleeve shaft 7 on the fixed axle 12, swing joint has moon driving lever 3 on the sleeve shaft 7, the bottom least of first spheroid 21 is connected with moon driving lever 3 and follows sleeve shaft 7 and moon driving lever 3 rotatoryly, still be equipped with circular shape lunar phase dish 4 on the fixed axle 12, the upper surface of lunar phase dish 4 is used for drawing the lunar phase picture, it has the compass to inlay on the lunar phase dish 4.
The first sphere 21 is provided with an opening, the opening divides the first sphere 21 into two symmetrical hemispheres, and the two symmetrical hemispheres are detachably connected; the second sphere 22 is also provided with an opening, and the opening divides the second sphere 22 into two symmetrical hemispheres which are detachably connected.
The fixed shaft 12 is further provided with an angle clamping controller 8 for controlling the inclination angle of the moon deflector rod 3, the sleeve shaft 7 is located inside the angle clamping controller 8, the angle clamping controller 8 comprises an upper angle clamping controller 81 and a lower angle clamping controller 82, the bottom end of the lower angle clamping controller 82 is fixed on the lunar phase plate 4, the opposite surfaces of the upper angle clamping controller 81 and the lower angle clamping controller 82 are inclined surfaces, the inclination angle of the inclined surfaces is the same as the included angle between a white road surface and a yellow road surface, the moon deflector rod 3 extends into the inner part from the gap between the upper angle clamping controller 81 and the lower angle clamping controller 82 to be hinged with the sleeve shaft 7, and the angle of the moon deflector rod 3 is automatically adjusted along the gap between the upper angle clamping controller 81 and the lower angle clamping controller 82 to simulate revolution of a moon during rotation.
The color layers in the above embodiments may be selected from white and black to represent the diurnal hemisphere 221 and the nocturnal hemisphere 222.
In summary, the above is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.

Claims (7)

1. Moon looks visualizer, including globe (1) and moon model (2) around globe (1) revolution, its characterized in that: the moon model (2) comprises a first sphere (21) and a second sphere (22), a cavity (24) is arranged inside the first sphere (21), the side wall of the first sphere (21) is made of transparent material, the second sphere (22) is arranged in the cavity (24) inside the first sphere (21), a magnet is embedded in the second sphere (22), two color layers are arranged on the outer surfaces of the left hemisphere and the right hemisphere of the second sphere (22), the direction of the magnet is positioned in the plane of the boundary line of the two color layers, when the moon model (2) revolves, the magnet is under the action of the earth magnetic field to drive the second sphere (22) to horizontally rotate in the cavity (24) under the action of the earth magnetic field, a bearing (26) is arranged at the highest position of the inner wall of the first sphere (21), a hanging rope (27) is arranged on the bearing (26), the second sphere (22) is fixed on the hanging rope (27), and freely rotates relative to the first sphere (21) when being subjected to external force, the globe (1) comprises a base (11) and a fixed shaft (12) fixed on the base (11), a rotating support (13) is arranged at the top of the fixed shaft (12), a rotating sphere (14) is arranged on the rotating support (13), the rotating sphere (14) rotates around the rotating support (13), a sleeve shaft (7) is sleeved on the fixed shaft (12), a moon deflector rod (3) is movably connected onto the sleeve shaft (7), the lowest position of the bottom end of a first sphere (21) is connected with the moon deflector rod (3) and rotates along with the sleeve shaft (7) and the moon deflector rod (3), a round moon phase plate (4) is further arranged on the fixed shaft (12), the upper surface of the moon phase plate (4) is used for drawing a moon phase diagram, and a compass is inlaid on the moon phase plate (4).
2. The lunar phase observer according to claim 1, characterized in that: the magnet in the second sphere (22) is positioned at the bottom of the second sphere (22), water (23) is arranged in the first sphere (21), and the second sphere (22) floats on the surface of the water (23).
3. The lunar phase observer according to claim 2, characterized in that: a hemispherical limiting block (25) is arranged on the inner wall of the first sphere (21), a hemispherical concave cavity is arranged in the middle of the limiting block (25), and the upper half part of the second sphere (22) extends into the concave cavity.
4. The lunar phase observer according to claim 1, characterized in that: the lowest part of the inner wall of the first sphere (21) is provided with a bearing (26), and the second sphere (22) is fixed on the bearing (26) and can freely rotate relative to the first sphere (21) when being subjected to external force.
5. The lunar phase observer according to claim 1, characterized in that: the highest position of the inner wall of the first ball body (21) is provided with a bearing (26), and the second ball body (22) is fixed on the bearing (26) and can freely rotate relative to the first ball body (21) when being subjected to external force.
6. The lunar phase observer according to claim 1, characterized in that: the first sphere (21) is provided with an opening, the opening divides the first sphere (21) into two symmetrical hemispheres, and the two symmetrical hemispheres are detachably connected; the second sphere (22) is also provided with an opening, the opening divides the second sphere (22) into two symmetrical hemispheres, and the two symmetrical hemispheres are detachably connected.
7. The lunar phase observer according to claim 1, characterized in that: the fixed shaft (12) is further provided with an angle clamping controller (8) used for controlling the inclination angle of the moon deflector rod (3), the sleeve shaft (7) is located inside the angle clamping controller (8), the angle clamping controller (8) comprises an upper angle clamping controller (81) and a lower angle clamping controller (82), the bottom end of the lower angle clamping controller (82) is fixed on the lunar phase plate (4), the opposite surfaces of the upper angle clamping controller (81) and the lower angle clamping controller (82) are inclined surfaces, the inclination angle of the inclined surfaces is the same as the included angle between a white road surface and a yellow road surface, the moon deflector rod (3) extends into the inner part from the gap between the upper angle clamping controller (81) and the lower angle clamping controller (82) to be hinged with the sleeve shaft (7), and the angle of the moon deflector rod can be automatically adjusted along the gap between the upper angle clamping controller (81) and the lower angle clamping controller (82) during rotation so as to simulate revolution of a moon.
CN201810166499.1A 2018-02-28 2018-02-28 Moon phase observation instrument Active CN108492709B (en)

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