CN219759051U

CN219759051U - Direct solar radiation change demonstration tool

Info

Publication number: CN219759051U
Application number: CN202223415262.3U
Authority: CN
Inventors: 王军智; 谢存志
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-09-26
Anticipated expiration: 2032-12-20

Abstract

The utility model relates to the technical field of solar direct angle demonstration, in particular to a solar direct angle change demonstration tool, which comprises a globe, wherein a positioning plate is fixedly connected to the bottom of the globe, a power assembly for driving the positioning plate to move is arranged at the bottom of the positioning plate, a shell is arranged at the bottom of the power assembly, an oval track piece is fixedly connected to the top of the shell, a guide piece fixedly connected with the positioning plate is connected to the top of the track minus part in a rolling manner, a hanging rod is fixedly connected to the top of the shell, a bulb is hung at the bottom of the hanging rod, and the bulb is positioned at the focus of the track piece; the bulb is opened when the motor is started by a user, the globe is driven by the power component to move on the guide plate, the globe is simulated to revolve around the sun, the direct change demonstration is formed by the light and shadow parts of the bulb irradiated on the globe, and an operator can more intuitively observe the direct solar angle change at different positions.

Description

Direct solar radiation change demonstration tool

Technical Field

The utility model relates to the technical field of direct solar angle demonstration, in particular to a direct solar angle change demonstration tool.

Background

Direct solar radiation is based on the four seasons of the earth, and different phenomena and effects occur on the moving earth due to the rotation of the sun. So we generally say that direct solar radiation is the main cause of the four seasons;

the solar energy is directly irradiated to the earth equator in the spring festival, the northern hemisphere is spring festival, and the southern hemisphere is autumn festival; the direct solar radiation starts to move north at 3 months at the equator of the northern hemisphere, the direct solar radiation point at 6 months is on the northern return line of the northern hemisphere, the direct solar radiation point at 9 months starts to move south toward the equator, the direct solar radiation point at 12 months is on the southern hemisphere, and the southern return line.

In the prior art, when teaching the change of direct solar radiation, a general outline drawing of planar direct solar radiation is adopted, so that the direct solar radiation angle change of the earth at different positions is difficult to observe without visual stereo.

The above information disclosed in the background section is only for enhancement of understanding of the background of the disclosure and therefore it may include information that does not form the prior art that is already known to a person of ordinary skill in the art.

Disclosure of Invention

The utility model aims to design an intuitive and stereoscopic tool for simulating revolution of the earth around the sun, and provides a direct solar change demonstration tool for ensuring that an operator can observe direct solar angle changes when the earth is positioned at different positions, so as to solve the defects in the technology.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a direct solar radiation change demonstration instrument, includes the globe, globe bottom fixedly connected with locating plate, the locating plate bottom is equipped with the power pack who drives the locating plate motion, the casing is installed to the power pack bottom, there is oval track piece at the casing top fixedly connected with, track piece top roll connection has the guide piece with locating plate fixed connection, casing top fixedly connected with suspension bar, suspension bar bottom has hung the bulb, the bulb is located the focus department of track piece, and bulb and globe are in same horizontal plane.

Preferably, the power component comprises a motor fixedly connected with the bottom surface of the inner cavity of the shell, a first bevel gear is fixedly connected with the top end of an output shaft of the motor, a second bevel gear is meshed with the top of the first bevel gear, a transmission shaft rotationally connected with the shell is fixedly connected inside the second bevel gear, a sliding rod is fixedly connected with the top end of the transmission shaft, one end of the sliding rod, far away from the motor, penetrates through and is slidably connected with a connecting rod, and the top end of the connecting rod is fixedly connected with a positioning plate.

Preferably, the track piece comprises an elliptic plate fixedly connected with the top surface of the shell, and a guide plate with an L-shaped section is fixedly connected with the top of the elliptic plate.

Preferably, the guide piece includes the first gyro wheel with deflector both sides roll connection, two first gyro wheel tops all rotate and are connected with the spacer, fixedly connected with connecting axle between two spacers, the connecting axle middle part rotates and is connected with the second gyro wheel, second gyro wheel and deflector top surface roll connection, the spacer and the locating plate fixed connection that are close to the locating plate.

Preferably, the elliptical shape of the elliptical plate is set to an equal-scale reduced shape of a track of revolution of the earth around the sun.

In the technical scheme, the utility model has the technical effects and advantages that:

1. the user starts the motor and turns on the bulb, at the moment, the power component drives the globe to move on the guide plate to simulate revolution of the earth around the sun, at the moment, the light and shadow parts of the bulb irradiated on the globe form direct change demonstration, and an operator can more intuitively observe the direct solar angle change at different positions;

2. the product has simple structure, is easy to produce and manufacture, is more visual and stereoscopic compared with a schematic diagram of a book upper plane, greatly enhances the interestingness and is suitable for teaching.

Drawings

For a clearer description of embodiments of the present utility model or technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a perspective view of the present utility model;

fig. 3 is a schematic view of the guide member connection structure of the present utility model.

Reference numerals illustrate:

1. a globe; 2. a positioning plate; 3. a power assembly; 3.1, a motor; 3.2, a first bevel gear; 3.3, a second bevel gear; 3.4, a transmission shaft; 3.5, sliding bars; 3.6, connecting rod; 4. a housing; 5. a track member; 5.1, an elliptic plate; 5.2, a guide plate; 6. a guide member; 6.1, a first roller; 6.2, locating pieces; 6.3, connecting shaft; 6.4, a second roller; 7. a hanging rod; 8. a bulb.

Detailed Description

In order to enable those skilled in the art to better understand the technical solutions of the present utility model, the technical solutions of the embodiments of the present utility model will be clearly and completely described below, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all embodiments. 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.

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

Examples:

1-3, including the globe 1, the locating plate 2 is fixedly connected with the bottom of the globe 1, the power component 3 for driving the locating plate 2 to move is arranged at the bottom of the locating plate 2, the shell 4 is arranged at the bottom of the power component 3, the elliptical track piece 5 is fixedly connected with the top of the shell 4, the guide piece 6 fixedly connected with the locating plate 2 is connected with the top of the track piece in a rolling way, the hanging rod 7 is fixedly connected with the top of the shell 4, the bulb 8 is hung at the bottom of the hanging rod 7, the bulb 8 is positioned at the focus of the track piece 5, and the bulb 8 and the globe 1 are positioned on the same horizontal plane;

the positioning plate 2 is driven to move on the track member 5 through the power assembly 3, stability of the positioning plate 2 during movement is guaranteed through the guide member 6, the bulb 8 is placed at the focus of the track member 5 to serve as the sun, the globe 1 can simulate revolution of the earth around the sun on the track member 5, and the light irradiated by the bulb 8 on the globe 1 is different, so that direct solar change is simulated, and demonstration is carried out.

Preferably, the power assembly 3 comprises a motor 3.1 fixedly connected with the bottom surface of an inner cavity of the shell 4, a first bevel gear 3.2 is fixedly connected to the top end of an output shaft of the motor 3.1, a second bevel gear 3.3 is meshed with the top of the first bevel gear 3.2, a transmission shaft 3.4 rotationally connected with the shell 4 is fixedly connected inside the second bevel gear 3.3, a sliding rod 3.5 is fixedly connected to the top end of the transmission shaft 3.4, a connecting rod 3.6 penetrates through and is slidingly connected to one end, far away from the motor 3.1, of the sliding rod 3.5, and the top end of the connecting rod 3.6 is fixedly connected with the positioning plate 2;

the motor 3.1 drives the first bevel gear 3.2 to rotate, the first bevel gear 3.2 drives the second bevel gear 3.3 to rotate, the second bevel gear 3.3 drives the transmission shaft 3.4 to rotate, the transmission shaft 3.4 drives the slide bar 3.5 to rotate, the slide bar 3.5 drives the connecting rod 3.6 to move in the inner cavity of the shell 4, and meanwhile the slide bar 3.5 slides in the connecting rod 3.6, so that the positioning plate 2 is driven, and the globe 1 is driven to simulate revolution of the earth around the sun.

Preferably, the track piece 5 comprises an elliptic plate 5.1 fixedly connected with the top surface of the shell 4, and a guide plate 5.2 with an L-shaped section is fixedly connected with the top of the elliptic plate 5.1;

the positioning plate 2 is moved along the guide plate 5.2 by the guide plate 5.2 on the elliptical plate 5.1 under the influence of the guide 6.

Preferably, the guide member 6 includes first rollers 6.1 in rolling connection with two sides of the guide plate 5.2, the tops of the two first rollers 6.1 are both rotatably connected with positioning plates 6.2, a connecting shaft 6.3 is fixedly connected between the two positioning plates 6.2, a second roller 6.4 is rotatably connected in the middle of the connecting shaft 6.3, the second roller 6.4 is in rolling connection with the top surface of the guide plate 5.2, and the positioning plate 6.2 close to the positioning plate 2 is fixedly connected with the positioning plate 2;

the two sides of the guide plate 5.2 are clamped by the two first rollers 6.1 so that the positioning sheet 6.2 and the positioning plate 2 can move along the track of the guide plate 5.2, and the positioning sheet 6.2 is supported on the guide plate 5.2 by the second rollers 6.4 to prevent the contact friction between the guide plate 5.2 and the positioning sheet 6.2.

Preferably, the elliptical shape of the elliptical plate 5.1 is set to an isostatically reduced shape of the orbit of the earth revolving around the sun;

by setting the shape to be reduced in an equal proportion, the trajectory of the movement of the globe 1 simulates the form of revolution of the earth around the sun.

The implementation mode specifically comprises the following steps: the user starts the motor 3.1 and simultaneously turns on the bulb 8, and at this moment, the power component 3 drives the globe 1 to move on the guide plate 5.2 to simulate revolution of the earth around the sun, and at this moment, the light and shadow parts of the bulb 8 irradiated on the globe 1 form direct change demonstration, so that an operator can more intuitively observe the direct solar angle change at different positions.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

The last points to be described are: first, in the description of the present utility model, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

the previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model.

Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. A tool for demonstrating direct solar radiation variation, comprising a globe (1), characterized in that: the utility model discloses a globe, including globe, power pack (3), casing (8) and globe, globe (1) bottom fixedly connected with locating plate (2), locating plate (2) bottom is equipped with power pack (3) that drive locating plate (2) motion, casing (4) are installed to power pack (3) bottom, casing (4) top has oval track piece (5) of fixedly connected with, track piece top roll connection has guide piece (6) with locating plate (2) fixedly connected with, casing (4) top fixedly connected with suspension rod (7), suspension rod (7) bottom has hung bulb (8), bulb (8) are located the focus department of track piece (5), and bulb (8) and globe (1) are in same horizontal plane.

2. A direct solar radiation variation demonstration instrument in accordance with claim 1 wherein: the power assembly (3) comprises a motor (3.1) fixedly connected with the bottom surface of an inner cavity of the shell (4), a first bevel gear (3.2) is fixedly connected to the top end of an output shaft of the motor (3.1), a second bevel gear (3.3) is meshed with the top of the first bevel gear (3.2), a transmission shaft (3.4) rotationally connected with the shell (4) is fixedly connected to the inside of the second bevel gear (3.3), a sliding rod (3.5) is fixedly connected to the top end of the transmission shaft (3.4), a connecting rod (3.6) is penetrated and slidingly connected to one end of the sliding rod (3.5) away from the motor (3.1), and the top end of the connecting rod (3.6) is fixedly connected with the positioning plate (2).

3. A direct solar radiation variation demonstration instrument in accordance with claim 1 wherein: the track piece (5) comprises an elliptic plate (5.1) fixedly connected with the top surface of the shell (4), and a guide plate (5.2) with an L-shaped section is fixedly connected with the top of the elliptic plate (5.1).

4. A direct solar radiation variation demonstration instrument according to claim 3 wherein: the guide piece (6) comprises first idler wheels (6.1) in rolling connection with two sides of the guide plate (5.2), positioning plates (6.2) are rotationally connected to the tops of the two first idler wheels (6.1), a connecting shaft (6.3) is fixedly connected between the two positioning plates (6.2), a second idler wheel (6.4) is rotationally connected to the middle of the connecting shaft (6.3), the second idler wheels (6.4) are in rolling connection with the top surface of the guide plate (5.2), and the positioning plates (6.2) close to the positioning plates (2) are fixedly connected with the positioning plates (2).

5. A direct solar radiation variation demonstration instrument according to claim 3 wherein: the elliptical shape of the elliptical plate (5.1) is set to an isostatically reduced shape of the orbit of the earth around the sun.