CN205827789U - The teaching demonstration device of the demonstration revolution of the earth - Google Patents
The teaching demonstration device of the demonstration revolution of the earth Download PDFInfo
- Publication number
- CN205827789U CN205827789U CN201620347451.7U CN201620347451U CN205827789U CN 205827789 U CN205827789 U CN 205827789U CN 201620347451 U CN201620347451 U CN 201620347451U CN 205827789 U CN205827789 U CN 205827789U
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- China
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- model
- earth
- transverse arm
- rotation shaft
- rotating shaft
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Abstract
The teaching demonstration device of the demonstration revolution of the earth, including earth model, solar model, flexible transverse arm, lifting support, base, one-level electric rotation shaft, LED, graduated disc, pointer, cover body, second-stage electric rotating shaft, projection light source and projection screen, described flexible transverse arm one end is provided with one-level electric rotation shaft, the other end is provided with second-stage electric rotating shaft, described second-stage electric rotating shaft upper end connects earth model, described one-level electric rotation shaft upper end connects solar model, described one-level electric rotation shaft lower end connects lifting support, described lifting support lower end is provided with base, it is provided with LED in described solar model, described flexible transverse arm is 23 ° 26 ' with the angle of horizontal plane.This utility model simple in construction, convenient teaching, the multi-angle demonstration earth revolves around the sun.
Description
Technical field
This utility model belongs to teaching demonstration device, is specially the teaching demonstration device demonstrating the revolution of the earth.
Background technology
At present, the demonstration instrument for teaching for demonstrating the revolution of the earth that market is used, is tellurion and sun mould mostly
Type is generally aligned in the same plane, and at tellurion when revolving round the sun around the sun, tellurion and solar model are in same level all the time
On, have no idea to demonstrate intuitively the Forming Mechanism at polar day, polar night.
In prior art, patent announcement CN 204257124 U discloses a kind of teaching for demonstrating the revolution of the earth and drills
Show instrument, it is characterised in that including: tellurion；Tellurion suspension holdfast, described tellurion is suspended on described tellurion suspension holdfast
On；Bracing frame, support frame as described above supports whole device；Turning arm, described tellurion suspension holdfast is arranged on described turning arm
One end, the other end of described turning arm is connected with support frame as described above；Described turning arm rotates around support frame as described above, and it rotates
Place planar tilt is in horizontal plane；Solar model, described solar model is internally provided with light source, can be described to emission light
Solar model is positioned at support frame as described above and described turning arm and is connected the top at place.The technical program uses Non-follow control to rotate
Angle, and it is only able to display the relative position of characteristic time, control accuracy is the highest, and teaching demonstration meaning is limited.
Utility model content
The purpose of this utility model is to provide the teaching demonstration device of the demonstration revolution of the earth, solves asking in background technology
Topic.
This utility model realizes by the following technical solutions:
The teaching demonstration device of the demonstration revolution of the earth, including earth model, solar model, flexible transverse arm, lifting support, the end
Seat, one-level electric rotation shaft, LED, graduated disc, pointer, cover body, second-stage electric rotating shaft, projection light source and projection screen, described in stretch
Contracting transverse arm one end is provided with one-level electric rotation shaft, and the other end is provided with second-stage electric rotating shaft, and described second-stage electric rotating shaft upper end is even
Being connected to earth model, described one-level electric rotation shaft upper end connects solar model, and described one-level electric rotation shaft lower end connects liter
Descending branch frame, described lifting support lower end is provided with base, is provided with LED, described flexible transverse arm and water in described solar model
The angle of plane is 23 ° 26 '.
In this utility model, described earth model and solar model relative to face be provided with cover body, described solar model
The junction of flexible transverse arm being provided with graduated disc, described lifting support is provided with pointer, described pointer covers at graduated disc
On, described flexible transverse arm top is provided with projection light source, is provided with projection screen bottom described flexible transverse arm.
In this utility model, described one-level electric rotation shaft electrically connects with second-stage electric rotating shaft, described one-level electric rotation shaft,
LED, second-stage electric rotating shaft, projection light source all electrically connect with PLC circuit, and described PLC circuit is by communication module and hand-held end
End connects.
Beneficial effect: this utility model simple in construction, convenient teaching, the multi-angle demonstration earth revolves around the sun.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and be easy to understand with effect, under
Face combines and is specifically illustrating, and this utility model is expanded on further.
See Fig. 1, the structural representation of the teaching demonstration device of the demonstration revolution of the earth, the teaching demonstration of the demonstration revolution of the earth
Device, including earth model 1, solar model 2, flexible transverse arm 3, lifting support 4, base 5, one-level electric rotation shaft 6, LED 7,
Graduated disc 8, pointer 9, cover body 10, second-stage electric rotating shaft 11, projection light source 12 and projection screen 13, described flexible transverse arm 3 one end
Being provided with one-level electric rotation shaft 6, the other end is provided with second-stage electric rotating shaft 11, and described second-stage electric rotating shaft 11 upper end connects ground
Spherical model 1, described one-level electric rotation shaft 6 upper end connects solar model 2, and described one-level electric rotation shaft 6 lower end connects lifting
Support 4, described lifting support 4 lower end is provided with base 5, is provided with LED 7, described flexible transverse arm 3 in described solar model 2
Be 23 ° 26 ' with the angle of horizontal plane, described earth model 1 and solar model 2 relative to face be provided with cover body 10, described too
Formpiston type 2 is provided with graduated disc 8 with the junction of flexible transverse arm 3, and described lifting support 4 is provided with pointer 9, described pointer 9
Covering on graduated disc 8, described flexible transverse arm 3 top is provided with projection light source 12, is provided with projection bottom described flexible transverse arm 3
Screen 13.Described one-level electric rotation shaft 6 electrically connects with second-stage electric rotating shaft 11, described one-level electric rotation shaft 6, LED 7, two grades
Electric rotation shaft 11, projection light source 12 all electrically connect with PLC circuit, and described PLC circuit is connected with handheld terminal by communication module.
During use, when the needs demonstration revolution of the earth, handheld terminal controls one-level electric rotation shaft 6 and rotates, thus drives ground
Spherical model 1 revolves round the sun around solar model 2, and the pointer 9 position display earth model 1 on graduated disc 8 is around solar model 2 anglec of rotation
Degree, second-stage electric rotating shaft 11 rotates at the same time, drives earth model 1 rotation, when control LED 7 is bright, can see on cover body 10
The irradiated area of earth model 1, flexible transverse arm 3 can the relative position of adjustably spherical model 1 and solar model 2, lifting support 4
Suitable viewing angle can be regulated, when opening projection light source 12, can see that earth model 1 is around solar model at projection screen 13
The floor map of 2 revolution, facilitates student memory.
Of the present utility model ultimate principle and principal character and of the present utility model advantage, one's own profession have more than been shown and described
Skilled person will appreciate that of industry, this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Principle of the present utility model is simply described, on the premise of without departing from this utility model spirit and scope, this utility model is also
Have various changes and modifications, in the range of these changes and improvements both fall within claimed this utility model, this utility model
Claimed scope is defined by appending claims and equivalent thereof.
Claims (3)
1. demonstrate the teaching demonstration device of the revolution of the earth, including earth model, solar model, flexible transverse arm, lifting support, the end
Seat, one-level electric rotation shaft, LED, graduated disc, pointer, cover body, second-stage electric rotating shaft, projection light source and projection screen, its feature
Being, described flexible transverse arm one end is provided with one-level electric rotation shaft, and the other end is provided with second-stage electric rotating shaft, described second-stage electric
Rotating shaft upper end connects earth model, and described one-level electric rotation shaft upper end connects has solar model, under described one-level electric rotation shaft
End connection have lifting support, described lifting support lower end to be provided with base, in described solar model, be provided with LED, described in stretch
Contracting transverse arm is 23 ° 26 ' with the angle of horizontal plane.
The teaching demonstration device of the demonstration revolution of the earth the most according to claim 1, it is characterised in that described earth model with
Solar model relative to face be provided with cover body, described solar model is provided with graduated disc with the junction of flexible transverse arm, described
Being provided with pointer on lifting support, described pointer covers on graduated disc, and described flexible transverse arm top is provided with projection light source, institute
State and be provided with projection screen bottom flexible transverse arm.
The teaching demonstration device of the demonstration revolution of the earth the most according to claim 1, it is characterised in that described one-level electric rotating
Axle electrically connects with second-stage electric rotating shaft, and described one-level electric rotation shaft, LED, second-stage electric rotating shaft, projection light source are all electric with PLC
Road electrically connects, and described PLC circuit is connected with handheld terminal by communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620347451.7U CN205827789U (en) | 2016-04-25 | 2016-04-25 | The teaching demonstration device of the demonstration revolution of the earth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620347451.7U CN205827789U (en) | 2016-04-25 | 2016-04-25 | The teaching demonstration device of the demonstration revolution of the earth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205827789U true CN205827789U (en) | 2016-12-21 |
Family
ID=58149233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620347451.7U Expired - Fee Related CN205827789U (en) | 2016-04-25 | 2016-04-25 | The teaching demonstration device of the demonstration revolution of the earth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205827789U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107293205A (en) * | 2017-08-21 | 2017-10-24 | 合肥探奥自动化有限公司 | A kind of interactive exhibition article for being used to show goddess in the moon's moon exploration program achievement |
-
2016
- 2016-04-25 CN CN201620347451.7U patent/CN205827789U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107293205A (en) * | 2017-08-21 | 2017-10-24 | 合肥探奥自动化有限公司 | A kind of interactive exhibition article for being used to show goddess in the moon's moon exploration program achievement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20180425 |