CN219936595U

CN219936595U - Experimental device for simulating earth rotation direction and northern starry sky relative motion

Info

Publication number: CN219936595U
Application number: CN202321341001.3U
Authority: CN
Inventors: 杨玉文
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-10-31
Anticipated expiration: 2033-05-30

Abstract

The utility model discloses an experimental device for simulating the rotation direction of the earth and the relative movement of the northern starry sky, which comprises: the device comprises a base, a globe, a camera, a bracket, a northern star light panel and a display component; the globe is rotationally arranged on the base, and a driving mechanism is arranged on the base and connected with the globe to drive the globe to rotate; the northern star lamp panel is arranged on the bracket, the northern star lamp panel is arranged above the globe, the northern star lamp panel is provided with a plurality of LED lamps for simulating stars on the northern star, and one LED lamp is a North star lamp; the camera is fixedly arranged on the globe and aligned with the position of the arctic light, the display assembly comprises a display, and the camera is connected with the display. The device can simulate the rotation of the earth and the relative movement of the northern sky, has intuitiveness, vividness and scientificity, has simple integral structure, is convenient for making and demonstrating, and has strong practicability.

Description

Experimental device for simulating earth rotation direction and northern starry sky relative motion

Technical Field

The utility model relates to the field of teaching demonstration, in particular to an experimental device for simulating the rotation direction of the earth and the relative movement of the northern starry sky.

Background

The teaching content of the second unit ' movement of the earth ' unit ' of six-grade upper book of the university teaching material of the obligation education and education department ' who first comes to dawn ' of the fourth class ' who first comes to dawn ' relates to the simulation experiment of the relative movement relation between the rotation of the earth and the sun in exploring the activities of Beijing and Wuluzu who first comes to dawn. We see that celestial bodies such as stars and sun in northern starry sky move from east to west every day due to earth rotation and their relative movement. As the earth rotates from west to east, by utilizing the relative motion principle, people can see that celestial bodies such as stars and sun in the northern sky appear to move from east to west every day.

However, the scientific laboratory of the primary school does not have the proper teaching equipment to do this simulation, and the teaching material only provides small game activities for simulating the rotation of the earth and the rotation of the swivel chair by human bodies to explain the problems. The movements and the real earth rotation are far away from the celestial movements of the northern sky, the sun and the like, and students hardly understand that the movements of the sun and the celestial bodies of the northern sky from east to west are relative movements generated by the earth rotation from west to east by using the small games, so that optimization and improvement are needed.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, a first object of the present utility model is to provide an experimental apparatus for simulating the rotation direction of the earth and the relative movement of the northern starry sky.

The technical scheme of the utility model is as follows: an experimental device for simulating the rotation direction of the earth and the relative movement of the northern starry sky, which is characterized by comprising: the device comprises a base, a globe, a camera, a bracket, a northern star light panel and a display component;

the globe is rotationally arranged on the base, a driving mechanism is arranged on the base, and the driving mechanism is connected with the globe to drive the globe to rotate;

the northern star light panel is arranged on the bracket, the northern star light panel is positioned above the globe, and a plurality of LED lamps for simulating stars on the northern star are arranged on the northern star light panel, wherein one LED lamp is a arctic light;

the camera is fixedly arranged on the globe and aligned with the position of the North Star light, the display assembly comprises a display, and the camera is connected with the display.

Compared with the prior art, the utility model has the following beneficial effects:

the device can simulate the rotation of the earth and the relative movement of the northern star sky, has intuitiveness, vividness and scientificity, has simple integral structure, is convenient for making and demonstrating, has strong practicability, solves the problem that students in science teaching know the rotation direction of the earth and the celestial body movements of the sun, the stars of the northern star sky and the like do not have experimental equipment support, has good help effect on the students to know the rotation direction of the earth, and is favorable for the smooth development of the teaching related to the earth movement.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

For a clearer description of embodiments of the utility model or of solutions in the prior art, the drawings that are required to be used in the description of the embodiments or of the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained, without the inventive effort, by a person skilled in the art from these drawings:

FIG. 1 is a schematic illustration of the present utility model;

FIG. 2 is a schematic view of a northern star light panel of the present utility model;

fig. 3 is a diagram of a northern star field lamp panel used in practice of the present utility model.

Reference numerals:

1. a base; 2. a globe; 3. a camera; 4. a bracket; 5. northern star light panel; 6. an LED lamp; 7. a tablet computer; 8. a rotating shaft; 9. a control switch; 10. a support block; 11. a connecting block; 12. a connector; 13. a connecting rope; 14. a North Pole star; 15. northern fight seven stars; 16. a final constellation.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "vertical", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

1-2, an experimental device for simulating the rotation direction of the earth and the relative movement of the northern starry sky, comprising: base 1, globe 2, camera 3, support 4, northern sky lamp plate 5 and display module.

The globe 2 is rotatably arranged on the base 1, and a driving mechanism is arranged on the base 1 and is connected with the globe 2 to drive the globe 2 to rotate, so that the rotation of the earth can be simulated.

In practical application, be equipped with rotatable pivot 8 on the base 1, globe 2 is fixed on pivot 8, and actuating mechanism includes motor and reduction gear, and the motor links to each other with the reduction gear, and the reduction gear links to each other with pivot 8, is equipped with the control switch 9 that links to each other with the motor on the base 1, can control the positive and negative rotation and opening, the closing of motor through control switch 9, and motor and reduction gear all set up inside base 1, and globe 2 adopts 3D printing technology to print and forms.

The northern star lamp panel 5 is arranged on the support 4, the northern star lamp panel 5 is arranged above the globe 2, a plurality of LED lamps 6 for simulating stars on the northern star are arranged on the northern star lamp panel 5, one of the LED lamps 6 is a stars 14 lamp, the camera 3 is fixedly arranged on the globe 2 and aligned with the position of the stars 14 lamp, the display assembly comprises a display, and the camera 3 is connected with the display.

Specifically, the northern sky lamp panel 5 is made of an acrylic plate and a light emitting diode (namely an LED lamp 6), the acrylic plate is coated with black to simulate a night curtain, the LED lamp 6 is used for simulating stars on the northern sky, and the LED lamp 6 can emit different colors to simulate stars with different constellations, so that the northern sky lamp panel is convenient for students to recognize. As for the number and positions of the simulated stars, the number and positions of the simulated stars should be set according to actual requirements, but in this embodiment, as shown in fig. 2 and 3, the LED lamps 6 on the northern star lamp panel 5 can simulate stars such as the polar star 14, the northern fighter seven star 15, the final constellation 16, and the like.

In order to be convenient for adjust the angular position of north sky lamp board 5 for camera 3 can aim at the position of north star 14 lamp, as shown in fig. 1, one side of support 4 is equipped with supporting shoe 10, and the opposite side is equipped with connecting block 11, is equipped with connector 12 on the north sky lamp board 5, and the bottom of north sky lamp board 5 supports and leans on supporting shoe 10, and connecting rope 13's one end ties up with connector 12 and links to each other, and the other end walks around the top of support 4 and ties up downwards on connecting block 11, from this through adjusting connecting rope 13, can adjust the inclination of north sky lamp board 5, and this kind of structural style is simple, and the realization of being convenient for.

In the device, the camera 3 can be placed at the north pole position of the globe 2 and can also be placed at other positions of the northern hemisphere, the northern sky can be observed through the camera 3 by simulating human eyes, the camera 3 is a wireless camera 3, the display is a tablet personal computer 7, the camera 3 can be in communication connection with the display by downloading the corresponding camera APP, and the pictures acquired by the camera 3 can be displayed on the display. In addition, in order to facilitate more students to observe the image pick-up picture, the display assembly further comprises a screen projector, and the tablet personal computer 7 is connected with the screen projector, so that the picture can be projected onto a projector or a television in a laboratory through the screen projector.

The specific demonstration process of the device is as follows:

the power switch of the tablet personal computer 7, the screen throwing device, the wireless camera 3 and the northern star lamp panel 5 is turned on, then the wireless camera APP on the tablet personal computer 7 is turned on, at the moment, the picture collected by the camera 3 can be projected on a large screen, and the image displayed on the large screen is the northern star image 'seen' by the camera 3 simulating human eyes.

The power control switch 9 of the globe 2 is turned on, so that the globe 2 simulates the rotation of the earth from west to east, and the stars in the northern sky can be seen to rotate from east to west around the North star 14 on the screen. In fact, in this model, the northern star lamp panel 5 is stationary, and only the globe 2 is rotating all the time, so that the "seen" by the camera 3 simulating the human eye by taking the globe 2 as a reference is that the northern star lamp panel 5 rotates from east to west relative to the globe 2.

The simulation experiment process can lead us to find that the northern starry sky rotates from east to west, and the relative motion between the east and west rotation of the earth and the celestial body of the northern starry sky is generated, so that students can be helped to know the principle of the relative motion, further, the rotation direction of the earth is estimated to be from west to east, then, the relative motion is utilized to understand the reason that the sun ascends and descends every day, namely, the east and west fall of the sun is generated due to the rotation of the earth, and after the students understand the theory, the problem that the Beijing and the Wuluzu in the science book first come to dawn is solved.

In conclusion, the device can simulate the rotation of the earth and the relative movement of the northern starry sky, has intuitiveness, vividness and scientificity, has a simple integral structure, is convenient to manufacture and demonstrate, has strong practicability, solves the problem that students know the rotation direction of the earth and the celestial body movements of the stars such as the sun and the northern starry sky in scientific teaching do not have experimental equipment support, has good help effect on the students to know the rotation direction of the earth, and is favorable for the smooth development of teaching related to the earth movement.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. An experimental device for simulating the rotation direction of the earth and the relative movement of the northern starry sky, which is characterized by comprising: the device comprises a base, a globe, a camera, a bracket, a northern star light panel and a display component;

2. The experimental device for simulating relative motion of the earth's rotation direction and the northern sky according to claim 1, wherein the camera is a wireless camera, the display is a tablet computer, the display assembly further comprises a screen projector, and the tablet computer is connected with the screen projector.

3. The experimental device for simulating relative motion of the earth's rotation direction and the northern star sky according to claim 1, wherein a rotatable rotating shaft is arranged on the base, the globe is fixed on the rotating shaft, the driving mechanism comprises a motor and a speed reducer, the motor is connected with the speed reducer, the speed reducer is connected with the rotating shaft, and a control switch connected with the motor is arranged on the base.

4. The experimental device for simulating the rotation direction of the earth and the relative movement of the starry sky in the north of claim 1, wherein a supporting block is arranged on one side of the bracket, a connecting block is arranged on the other side of the bracket, a connector is arranged on the starry sky lamp panel, the bottom of the starry sky lamp panel is propped against the supporting block, one end of a connecting rope is bound and connected with the connector, and the other end of the connecting rope is bound and connected on the connecting block downwards by bypassing the top end of the bracket.