CN209028949U - Corona demonstration teaching aid - Google Patents
Corona demonstration teaching aid Download PDFInfo
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- CN209028949U CN209028949U CN201820931527.XU CN201820931527U CN209028949U CN 209028949 U CN209028949 U CN 209028949U CN 201820931527 U CN201820931527 U CN 201820931527U CN 209028949 U CN209028949 U CN 209028949U
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- China
- Prior art keywords
- corona
- light source
- dial plate
- teaching aid
- demonstration teaching
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- 241001247287 Pentalinon luteum Species 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 230000004313 glare Effects 0.000 claims description 3
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 230000000306 recurrent effect Effects 0.000 description 1
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- Instructional Devices (AREA)
Abstract
The utility model discloses a kind of corona demonstration teaching aid, belong to teaching equipment technical field, the prior art is solved in geographical teaching, teacher is not easy to the technical issues of demonstration corona indicates the division of day and night using the sun in daily life, the corona demonstration teaching aid of this case includes corona dial plate, the gnomon and light source assembly being vertically fixed at corona dial plate center, division of day and night table and ancient Chinese sundial projected area are provided on corona dial plate, light source assembly includes the outer edge that corona dial plate is arranged in and the light source that at least one week can be rotated around gnomon, driving motor for driving light source to rotate, the underface rotation of gnomon is provided with the central axis extended along lower section, the lower end of central axis and driving motor are sequentially connected, it is fixedly connected on upper end along horizontal-extending cursor, light source is mounted on the other end of cursor, horizontal plane where light source Height is slightly above the elevation of water where corona dial plate, and the corona demonstration teaching aid of this case has easy to operate, demonstrates lively advantage.
Description
Technical field
The utility model relates to teaching equipment technical field, in particular to a kind of corona demonstration teaching aid.
Background technique
Corona is to project shadow on sundial needle using the sun to measure the device at moment, is that Ancient Times in China utilizes shadows cast by the sun to survey
Obtain a kind of timing at moment together.Usually it is made of pointer made of copper and disk made of stones.Pointer made of copper is called " sundial needle ", hangs down
Disc centre directly is passed through, sundial needle is called " table ", and disk made of stones is called " sundial face ", is placed in Shitai County, in high in the south and low in the north, makes
Sundial face is parallel to celestial equator face, in this way, sundial needle on correct direction north pole, under correct energized south celestial pole.In sundial face
Tow sides depict 12 big lattice, and each big lattice represent two hours.When solar irradiation is on corona, the shadow of sundial needle
Sundial face will be invested, the sun moves from east to west, and the sundial needle shadow for investing sundial face also moves from west to east at leisure.Then, it moves
The sundial needle shadow moved seems the pointer of modern clock and watch, sundial face is then the surface of clock and watch, shows the moment with this.
In existing geographical teaching, teacher when demonstrating the recurrent mutation of track of sun and subsolar point to student, by
Larger in corona volume, inconvenience is carried and teaching aid quantity uses very inconvenient more, influences quality of instruction.
Utility model content
In order to solve the above-mentioned technical problem, more convenient, structure that the purpose of the utility model is to provide a kind of demonstrations is more
Simple corona demonstration teaching aid.
In order to realize the purpose of above-mentioned utility model, the utility model adopts the following technical solution:
A kind of corona demonstration teaching aid, including corona dial plate, the gnomon being vertically fixed at corona dial plate center with
And the light source assembly for irradiating the gnomon and being projected on the corona dial plate, it is provided on the corona dial plate
Division of day and night table projected area, the light source assembly include that the outer edge of the corona dial plate is arranged in and can turn around the gnomon
Dynamic at least one week light source, the driving motor for driving the light source rotation, the underface of the gnomon is rotationally arranged
There is the axially extending central axis along the gnomon, the one end of the central axis and the driving motor are sequentially connected, are another
The cursor radially extended along the corona dial plate is fixedly connected on one end, the light source is mounted on the cursor
On, the elevation of water where the light source is slightly above the elevation of water where the corona dial plate.
In above-mentioned technical proposal, it is preferred that the division of day and night table projected area includes circumferentially in the corona dial plate
First perspective plane in upper and corresponding 12 division of day and night.
In above-mentioned technical proposal, it is preferred that the division of day and night table projected area further includes circumferentially in the corona table
On disk and second perspective plane in corresponding 24 division of day and night, and relatively described second perspective plane in first perspective plane is closer to institute
State the inner ring of corona dial plate.
In above-mentioned technical proposal, it is preferred that the light source is glare light electric torch or LED light.
In above-mentioned technical proposal, it is preferred that light source mounting base is installed, the light source is mounted on institute on the cursor
In the light source mounting base stated.
In above-mentioned technical proposal, it is preferred that the diameter of the corona dial plate is 30~50 ㎝.
In above-mentioned technical proposal, it is preferred that the distance between the lower surface of the light source and corona dial plate upper surface
For 10~15 ㎝.
The utility model obtains compared with prior art following the utility model has the advantages that this case passes through setting cursor and driving electricity
Light source is arranged on cursor machine, drives cursor to rotate at least one week around gnomon by driving motor, light source can
Simulated solar irradiation running track on the one, light source are irradiated to gnomon and project on corona dial plate, can demonstrate corona in day
The operation at moment is often indicated in life, it is more convenient to demonstrate, and structure is more simple.
Detailed description of the invention
Attached drawing 1 is the schematic front view of the utility model corona demonstration teaching aid；
Attached drawing 2 is the schematic top plan view of the utility model corona demonstration teaching aid
Wherein: 100, corona demonstration teaching aid；1, corona dial plate；11, division of day and night table projected area；111, the first perspective plane；112,
Second perspective plane；2, gnomon；3, light source assembly；31, light source；32, driving motor；33, central axis；34, cursor.
Specific embodiment
By the technology contents of utility model are described in detail, construction feature, are reached purpose and efficacy, below in conjunction with implementation
Example simultaneously cooperates attached drawing to be described in detail.
With reference to the accompanying drawings 1 and attached drawing 2 shown in, corona demonstration teaching aid 100 include corona dial plate 1, be vertically fixed on corona dial plate 1
Gnomon 2 at center and the light source assembly 3 for irradiating gnomon 2 and being projected on corona dial plate 1.
Wherein, the diameter of corona dial plate 1 is 30~50 ㎝, preferably 30 ㎝, small volume and less weight, convenient for teacher's carrying and demonstration
Operation.
Division of day and night table projected area 11 is provided on corona dial plate 1, which includes circumferentially in corona
On dial plate 1 and first perspective plane 111 in corresponding 12 division of day and night and circumferentially on corona dial plate 1 and corresponding 24 division of day and night
The second perspective plane 112, be carved on the first perspective plane 111 sub, the ugly, third of the twelve Earthly Branches, the fourth of the twelve Earthly Branches, occasion, the sixth of the twelve Earthly Branches, the noon, not, Shen, the tenth of the twelve Earthly Branches, the eleventh of the twelve Earthly Branches, the last of the twelve Earthly Branches this 12
Twelve Earthly Branches are used to refer to 12 division of day and night；Be carved on second perspective plane 112 2,4,6,8,10,12,14,16,18,20,22,24 this
12 Arabic numerals are used to refer to intraday 24 hours；And opposite second perspective plane 111 in the first perspective plane 112 is more
Close to the inner ring of corona dial plate 1.
Light source assembly 3 includes the outer edge that corona dial plate 1 is arranged in and the light source that at least one week can be rotated around gnomon 2
31 and for drive the light source 31 rotate driving motor 32.The light source 31 can be with the intraday running track of simulated solar.
In this example, which is LED light.It certainly, in other embodiments, can be using other point light sources or linear light source as light
Source, for example, glare light electric torch.
The axially extending central axis 33 of the underface rotation of gnomon 2 being provided with along gnomon 2, the central axis 33
The cursor radially extended along corona dial plate 1 is fixedly connected on one end and the transmission connection of driving motor 32, the other end
34, light source mounting base is installed on cursor 34, light source 31 is mounted in light source mounting base.Also, the level where light source 31
Face height is slightly above the elevation of water where corona dial plate 1, and so, the light issued from light source 31 is radiated at gnomon
The projection formed on 2 and on corona dial plate 1 will be apparent from, in this example, 1 upper surface of corona dial plate and 31 lower surface of light source
The distance between be 10~15 ㎝, preferably 10 ㎝.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention.
All equivalent changes or modifications made according to the spirit of the present invention should be covered within the scope of the utility model.
Claims (7)
1. a kind of corona demonstration teaching aid, when including corona dial plate (1), the finger being vertically fixed at corona dial plate (1) center
Needle (2) and light source assembly (3) for irradiating the gnomon (2) and being projected on the corona dial plate (1), it is described
Division of day and night table projected area (11) is provided on corona dial plate (1), it is characterised in that: the light source assembly (3) includes being arranged in institute
It states the outer edge of corona dial plate (1) and at least one week light source (31) can be rotated around the gnomon (2), for described in driving
The driving motor (32) of light source (31) rotation, the underface of the gnomon (2) is rotationally provided with along the gnomon (2)
Axially extending central axis (33), the one end of the central axis (33) and the driving motor (32) transmission connection, the other end
The cursor (34) radially extended along the corona dial plate (1) is fixedly connected in portion, the light source (31) is mounted on described
On cursor (34), the horizontal plane where the elevation of water where the light source (31) is slightly above the corona dial plate (1) is high
Degree.
2. corona demonstration teaching aid according to claim 1, it is characterised in that: the division of day and night table projected area (11) includes edge
It is arranged circumferentially on the corona dial plate (1) and corresponds to first perspective plane (111) in 12 division of day and night.
3. corona demonstration teaching aid according to claim 2, it is characterised in that: the division of day and night table projected area (11) further includes
Circumferentially on the corona dial plate (1) and second perspective plane (112) in corresponding 24 division of day and night, and described first is thrown
Inner ring of relatively described second perspective plane (112) in shadow face (111) closer to the corona dial plate (1).
4. corona demonstration teaching aid according to claim 1, it is characterised in that: the light source (31) be glare light electric torch or
LED light.
5. corona demonstration teaching aid according to claim 1, it is characterised in that: be equipped with light source on the cursor (34)
(31) mounting base, the light source (31) are mounted in the light source mounting base.
6. corona demonstration teaching aid according to claim 1, it is characterised in that: the diameter of the corona dial plate (1) be 30~
50㎝。
7. corona demonstration teaching aid according to claim 1, it is characterised in that: the lower surface of the light source (31) and the day
The distance between sundial dial plate (1) upper surface is 10~15 ㎝.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820931527.XU CN209028949U (en) | 2018-06-15 | 2018-06-15 | Corona demonstration teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820931527.XU CN209028949U (en) | 2018-06-15 | 2018-06-15 | Corona demonstration teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209028949U true CN209028949U (en) | 2019-06-25 |
Family
ID=66868280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820931527.XU Expired - Fee Related CN209028949U (en) | 2018-06-15 | 2018-06-15 | Corona demonstration teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209028949U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114155769A (en) * | 2022-01-08 | 2022-03-08 | 湖州师范学院 | Equatorial sundial principle demonstration instrument |
-
2018
- 2018-06-15 CN CN201820931527.XU patent/CN209028949U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114155769A (en) * | 2022-01-08 | 2022-03-08 | 湖州师范学院 | Equatorial sundial principle demonstration instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190625 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |