CN209765900U

CN209765900U - moon phase change simulator

Info

Publication number: CN209765900U
Application number: CN201920216834.4U
Authority: CN
Inventors: 陈盈
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-02-20
Filing date: 2019-02-20
Publication date: 2019-12-10
Anticipated expiration: 2029-02-20

Abstract

The utility model discloses a better moon phase change simulator of demonstration effect. The moon phase change simulator of the utility model is provided with a box opening at the top of the experimental box; the demonstration board is fixed in the box opening; a sun irradiation picture is arranged at one end of the front plate surface of the demonstration plate, a moon revolution picture is arranged at the other end of the front plate surface of the demonstration plate, and a circular through hole is formed in the center of the moon revolution picture; the rotating ring is movably sleeved in the circular through hole of the demonstration plate; the first speed regulating motor drives the rotating ring to rotate along the edge of the circular through hole; the moon demonstration ball is arranged at one end of the rotating ring, and the bottom of the moon demonstration ball is fixedly connected with the rotating ring through a bracket; the second speed regulating motor is fixed in the experiment box at the circular through hole and drives the earth demonstration ball to rotate in a self-rotation mode; the sun demonstration lamp is arranged at the sun irradiation picture of the upper plate surface of the demonstration plate; on the case mouth at experimental box top, first camera set up in the lens hood roof and downward towards the front face of demonstration board.

Description

Moon phase change simulator

Technical Field

The utility model relates to a teaching instrument, in particular to moon phase change simulator.

Background

The traditional simulator for showing the change of the lunar phase utilizes a connector to connect the earth and the moon to drive the moon and the earth to rotate together, so that students can easily mistakenly assume that the rotation period of the earth is the same as the revolution period of the moon. The traditional lunar phase change simulator can only observe lunar phase change through the observation angle on the front side of the simulator, so that students can hardly understand lunar phase change comprehensively. In the traditional lunar phase change simulator, because the illumination control is not strict, the boundary between an illumination surface and a dark surface on a lunar model is not clear, and the demonstration effect of lunar phase change is not ideal. In the traditional lunar phase change simulator, a lunar model has a simple structure and cannot deeply disclose a lunar phase forming principle.

SUMMERY OF THE UTILITY MODEL

the to-be-solved technical problem of the utility model is to provide a better moon phase change simulator of demonstration effect.

in order to solve the technical problem, the lunar phase change simulator comprises an experimental box, a demonstration board, a rotating ring, a first speed regulating motor, a second speed regulating motor, a lunar demonstration ball, an earth demonstration ball, a sun demonstration lamp, a light shield and a first camera; the top of the experiment box is provided with a box opening; the demonstration board is fixed in the box opening, and the front board surface of the demonstration board is in the same direction as the box opening; a sun irradiation picture is arranged at one end of the front plate surface of the demonstration plate, a moon revolution picture is arranged at the other end of the front plate surface of the demonstration plate, a circular through hole is arranged in the center of the moon revolution picture, and the circular through hole is communicated with the inner cavity of the experiment box; the rotating ring is movably sleeved in the circular through hole of the demonstration plate; the first speed regulating motor is fixed in the experiment box at the circular through hole and drives the rotating ring to rotate along the edge of the circular through hole; the moon demonstration ball is arranged at one end of the rotating ring, and the bottom of the moon demonstration ball is fixedly connected with the rotating ring through a support; the second speed regulating motor is fixed in the experiment box at the circular through hole, the earth demonstration ball is arranged above the second speed regulating motor outside the circular through hole, and the second speed regulating motor drives the earth demonstration ball to rotate in a self-rotating manner; the sun demonstration lamp is arranged at a sun irradiation picture of the upper plate surface of the demonstration plate, and the illumination direction of the sun demonstration lamp faces towards the moon demonstration ball and the earth demonstration ball; the light shield cover in on the case mouth at experiment roof portion, first camera set up in the light shield roof and downward orientation the front panel face of demonstration board.

The rotating disc is arranged on the rotating ring and covers an inner ring opening of the rotating ring, and the rotating disc and the rotating ring rotate synchronously; the second camera is arranged in the center of the upper plate surface of the rotating disc and is opposite to the moon demonstration ball.

The moon demonstration ball is a light-transmitting ball, a light-emitting lamp and a battery are arranged in the light-transmitting ball, and the battery is electrically connected with the light-emitting lamp.

And a sight indication plate is movably arranged outside the circular through hole of the demonstration plate.

The experimental box is a draw-bar box, the outer side part of the draw-bar box is provided with pulleys, and the outer end part of the draw-bar box is provided with a telescopic pull rod.

The light shield is a black light shield.

The light shield comprises two detachable and foldable side slats and a top cover plate.

Adopt the utility model discloses a structure is owing to drive moon demonstration ball and earth demonstration ball respectively through two bunchers for moon demonstration ball and earth demonstration ball rotate respectively, and the student of being convenient for more distinguishes the rotation cycle of earth and the revolution cycle of moon, and the student of being convenient for more understands the synchronous rotation of moon. Through setting up the lens hood, can prevent external light source's pollution for the moon phase change in the experimental box is more bright, more clear, and the demonstration effect is better. Through set up the earth month rotation in the camera observation experimental box at the lens hood top for the student has more holistic and more audio-visual impression and understanding to earth month day's relative rotation. The rotating ring is adopted to drive the moon demonstration ball to rotate, so that the cost is lower, and the structure is more compact. The black light shield has better shading effect. The rotating disc is arranged on the rotating ring, and the camera is arranged on the rotating disc, so that the change of the lunar phase can be observed by simulating the visual angle of the earth, the lunar phase at a specific position can be seen by students, the continuous change condition of the lunar phase in one month can be seen, and the demonstration effect is better. By arranging the luminous and the battery in the moon demonstration ball, a moon phase change test in case of moon luminescence can be demonstrated, so that students can understand the cause of moon phase formation more deeply. The experimental box is made into a draw-bar box structure, so that the experimental box is more convenient to carry and transport. The lens hood is foldable and detachable, and is convenient to store and transport.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is another schematic structural diagram of the present invention.

In the figure: 1-experimental box, 2-demonstration board, 3-moon revolution picture, 4-first speed regulating motor, 5-rotating ring, 6-second speed regulating motor, 7-earth demonstration ball, 8-moon demonstration ball, 9-sun exposure picture, 10-second camera and 11-rotating disk.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 and fig. 2, the utility model discloses a moon phase change simulator, including experimental box, demonstration board, swivel ring, first buncher, second buncher, moon demonstration ball, earth demonstration ball, sun demonstration lamp, lens hood and first camera.

The experimental box is cuboid. The top of the experimental box is provided with a box opening. The demonstration board is rectangular. The demonstration board is fixed in the case mouth, and demonstration board all around is connected with the inner wall one-to-one all around of experimental box along the edge, and the positive face of demonstration board is the same with the orientation of case mouth, and the direction is up promptly. One end of the front plate surface of the demonstration plate is provided with a sun irradiation picture which indicates the irradiation direction of the sun demonstration lamp. The other end of the front plate surface of the demonstration plate is provided with a moon revolution graph which shows the illumination graphs of the moon at 8 different positions around the earth, and the side of the moon facing the sun is always illuminated and the side of the moon facing away from the sun is always a dark surface. The demonstration board in the center of the moon revolution chart is provided with a circular through hole which is communicated with the inner cavity of the experiment box.

The rotating ring is movably sleeved in the circular through hole of the demonstration board and comprises a circular ring at the top and a circular pipe at the bottom, the circular ring is connected to the top end of the circular pipe, the circular ring is located above the circular through hole, and the circular pipe is sleeved in the circular through hole. The first speed regulating motor drives the rotating ring to rotate along the edge of the circular through hole. The first speed regulating motor is fixed in the experiment box at the circular through hole, a driving wheel is arranged on an output shaft of the first speed regulating motor, the wheel surface of the driving wheel is abutted against the inner wall of the rotating ring, and the driving wheel drives the rotating ring to rotate through friction force. The moon demonstration ball is arranged at one end of the rotating ring, and the bottom of the moon demonstration ball is fixedly connected with the rotating ring through a support. The support is a herringbone iron wire support, two ends of the bottom of the support are sleeved in two sleeve holes in the rotating ring, and the top end of the support is fixed at the bottom of the moon demonstration ball. When the rotating ring rotates, the moon is driven to demonstrate the rotation and revolution of the ball.

the second speed regulating motor is fixed in the experiment box at the circular through hole, the earth demonstration ball is arranged above the second speed regulating motor outside the circular through hole, and the second speed regulating motor drives the earth demonstration ball to rotate in a self-rotating mode. The output shaft of the second speed regulating motor is provided with a first gear, the bottom end of the earth demonstration ball is connected with a rotating shaft, the bottom end of the rotating shaft is sleeved in a movable hole of a shell of the second speed regulating motor, the rotating shaft is further connected with a second gear, and the second gear is meshed with the first gear. The second speed regulating motor drives the first gear to rotate, the first gear drives the second gear to rotate, and the second gear drives the earth demonstration ball to rotate through the rotating shaft. The earth demonstration ball, the rotating shaft and the second gear can be detached from the second adjustable-speed motor.

The sun demonstration lamp is arranged at the sun irradiation picture of the upper plate surface of the demonstration plate, and the illumination direction of the sun demonstration lamp faces towards the moon demonstration ball and the earth demonstration ball. The light emitted by the solar demonstration lamp after being electrified is used for simulating sunlight and irradiates the moon demonstration ball and the earth demonstration ball.

The light shield is covered on the box opening at the top of the experimental box and used for simulating starry sky. First camera sets up in the lens hood roof and the preceding face of downward orientation demonstration board. The first camera is connected to a computer, and then the shot picture can be displayed on a large screen in real time. The light shield is used for preventing an external light source from irradiating the test box, so that the moon demonstration ball is only irradiated by the sun demonstration lamp, and the light illumination and the dark surface of the moon demonstration ball are more obvious. The first camera is used for observing the rotation conditions of the moon demonstration ball and the earth demonstration ball in the experiment box, and simulating the observation of the rotation and the revolution of the moon and the rotation of the earth from the angle of a starry sky.

As shown in fig. 1 and 2, the lunar phase change simulator further includes a rotating disc and a second camera, the rotating disc is placed or fixed on the rotating ring, is coaxial with the rotating ring, covers an inner ring opening of the rotating ring, and rotates synchronously with the rotating ring. The rotating disc is provided with a sleeve-joint through hole corresponding to the support of the moon demonstration ball, and the bottom of the support penetrates through the rotating disc to be connected with the rotating ring. The second camera is arranged in the center of the upper plate surface of the rotating disc and is opposite to the moon demonstration ball. The second camera and the moon demonstration ball rotate synchronously. The second camera is a wireless mobile camera, and can transmit the shooting lunar phase change picture to a display or a large screen in real time, so that students can observe continuous lunar phase change within one month of the moon, and the demonstration effect is better.

As shown in fig. 1 and 2, the moon demonstration sphere is a light-transmitting sphere, a light-emitting lamp and a battery are arranged in the light-transmitting sphere, and the battery is electrically connected with the light-emitting lamp. The moon demonstration ball emits light through the light-emitting lamp, a moon phase change diagram under the condition of moon luminescence can be demonstrated, a contrast experiment is provided, and students can understand the principle of moon phase formation more deeply.

As shown in fig. 1 and 2, a sight line indicating plate is movably arranged outside the circular through hole of the demonstration plate. The circular through-hole of demonstration board still is used for the student to stretch into the head, personally submits the in-person observation moon phase change, and sight indicator board is used for helping the student to find accurate observation angle, guides the student to observe the moon along the south-normal visual angle.

As shown in figures 1 and 2, the experimental box is a draw-bar box, the outer side part of the draw-bar box is provided with a pulley, and the outer end part of the draw-bar box is provided with a telescopic draw bar. The experimental box is made into a draw-bar box which can be placed on the ground and pulled away, so that the movement is more labor-saving and the carrying is more convenient.

As shown in fig. 1 and 2, the light shield is a black light shield. The black light shield can shield light more thoroughly, can further reduce the light interference of external light source in the experimental box, make the moon demonstrate the moon looks border more obvious, demonstrate the effect better.

As shown in fig. 1 and 2, the light shield includes two removable and foldable side slats and a top cover panel. The side strip plate is a rectangular plate and is used as the side wall of the light shield after being folded into a right angle, and the side strip plate is assembled with the top cover plate to form the complete light shield. Because the lens hood can be dismantled and folding, can save space, be convenient for accomodate and transport.

Claims

1. a lunar phase change simulator, comprising: the device comprises an experiment box, a demonstration board, a rotating ring, a first speed regulating motor, a second speed regulating motor, a moon demonstration ball, an earth demonstration ball, a sun demonstration lamp, a light shield and a first camera;

The top of the experiment box is provided with a box opening; the demonstration board is fixed in the box opening, and the front board surface of the demonstration board is in the same direction as the box opening; a sun irradiation picture is arranged at one end of the front plate surface of the demonstration plate, a moon revolution picture is arranged at the other end of the front plate surface of the demonstration plate, a circular through hole is arranged in the center of the moon revolution picture, and the circular through hole is communicated with the inner cavity of the experiment box;

The rotating ring is movably sleeved in the circular through hole of the demonstration plate; the first speed regulating motor is fixed in the experiment box at the circular through hole and drives the rotating ring to rotate along the edge of the circular through hole; the moon demonstration ball is arranged at one end of the rotating ring, and the bottom of the moon demonstration ball is fixedly connected with the rotating ring through a support;

The second speed regulating motor is fixed in the experiment box at the circular through hole, the earth demonstration ball is arranged above the second speed regulating motor outside the circular through hole, and the second speed regulating motor drives the earth demonstration ball to rotate in a self-rotating manner;

The sun demonstration lamp is arranged at a sun irradiation picture of the upper plate surface of the demonstration plate, and the illumination direction of the sun demonstration lamp faces towards the moon demonstration ball and the earth demonstration ball;

The light shield cover in on the case mouth at experiment roof portion, first camera set up in the light shield roof and downward orientation the front panel face of demonstration board.

2. The lunar phase change simulator as defined in claim 1, wherein: the rotating disc is arranged on the rotating ring and covers an inner ring opening of the rotating ring, and the rotating disc and the rotating ring rotate synchronously; the second camera is arranged in the center of the upper plate surface of the rotating disc and is opposite to the moon demonstration ball.

3. The lunar phase change simulator as defined in claim 2, wherein: the moon demonstration ball is a light-transmitting ball, a light-emitting lamp and a battery are arranged in the light-transmitting ball, and the battery is electrically connected with the light-emitting lamp.

4. A lunar phase change simulator as claimed in claim 1, 2 or 3, wherein: and a sight indication plate is movably arranged outside the circular through hole of the demonstration plate.

5. A lunar phase change simulator as claimed in claim 1, 2 or 3, wherein: the experimental box is a draw-bar box, the outer side part of the draw-bar box is provided with pulleys, and the outer end part of the draw-bar box is provided with a telescopic pull rod.

6. A lunar phase change simulator as claimed in claim 1, 2 or 3, wherein: the light shield is a black light shield.

7. A lunar phase change simulator as claimed in claim 1, 2 or 3, wherein: the light shield comprises two detachable and foldable side slats and a top cover plate.