CN109697929A - Laser pointer operated teaching demonstration projection tellurion - Google Patents
Laser pointer operated teaching demonstration projection tellurion Download PDFInfo
- Publication number
- CN109697929A CN109697929A CN201910080459.XA CN201910080459A CN109697929A CN 109697929 A CN109697929 A CN 109697929A CN 201910080459 A CN201910080459 A CN 201910080459A CN 109697929 A CN109697929 A CN 109697929A
- Authority
- CN
- China
- Prior art keywords
- globe sphere
- laser pointer
- pedestal
- tellurion
- slip ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B27/00—Planetaria; Globes
- G09B27/08—Globes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B17/00—Teaching reading
- G09B17/02—Line indicators or other guides or masks
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Astronomy & Astrophysics (AREA)
- Instructional Devices (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The present invention relates to a kind of laser pointer operated teaching demonstration projection tellurions, it includes globe sphere (1) and pedestal (2), the equatorial line of globe sphere (1) is equipped with 360 lattice longitude scales (11), semi-circular latitude ring (12) is equipped between the south and north poles of globe sphere, semi-circular latitude ring is equipped with 180 lattice north and south latitude scales (13), it further includes having laser pointer (3), several light-sensitive elements (4), encoder (5), master controller (6), memory (7), power module (8), display screen (9), pad (10) and projector (20), globe sphere is equipped with the aperture inside and outside connection globe sphere, each light-sensitive element is separately mounted to the position of aperture, master controller, memory, power module, display screen and pad It is separately mounted on pedestal.It is easy to use, flexible in application, favorably demonstrates on site to student, information storage capacity is big, and using effect is good.
Description
Technical field
The present invention relates to geographical teaching teaching aids, and in particular to a kind of teaching demonstration projection tellurion.
Background technique
Tellurion is a kind of common teaching aid of geographical teaching, compared with map, it can vividerly to student illustratively
The overview and geographical knowledge of ball, make student have more direct perceptual knowledge to the earth.But tellurion also has disadvantage, due to being not easy to
It is made big as map, the information that can be marked on tellurion is restricted, even big tellurion or big map, information
It can not mark especially detailed.Although the electronic map on network is done with the fast development of Internet technology and electronic technology
It must become better and better, but also only higher and higher in resolution ratio, be primarily adapted for traffic and navigation, be not suitable for being used in teaching
The detailed geography information such as humanity, produce, height above sea level, the weather of relevant position are shown to student, and electronic map is in intuitive
On demonstration effect also or be not so good as tellurion.Although also someone can utilize the details on tellurion in research at present
The tellurion that electronic technology and tellurion are associated, but it is not convenient, flexible enough in the presence of using, it is not easy to imparting knowledge to students
The defects of scene is demonstrated to student, and information storage capacity is small, hinders the promotion and application of this electronic Terrestrial globe.
Summary of the invention
The object of the present invention is to provide one kind to be easy to use flexibly, convenient for being demonstrated at teaching scene to student, information
Storage capacity big laser pointer operated teaching demonstration projection tellurion.
The technical solution of the invention is as follows: it includes the globe sphere and pedestal that surface rendering has world map, ground
The south and north poles position of globe sphere rotates with the both ends for the semi-circular support arm being mounted on the base cooperation respectively, the earth
The equatorial line of instrument sphere is equipped with the 360 lattice longitude scales matched with warp, sets between the south and north poles of globe sphere
There are both ends to rotate respectively with the both ends in the South Pole of globe sphere, arctic position and semi-circular support arm the semi-circular latitude of cooperation
Spend ring, the inner arc side of semi-circular latitude ring matches with the outer surface of globe sphere, in ring body from equatorial positions to the two poles of the earth position
The 90 lattice north and south latitude scales for being respectively equipped with and matching with globe sphere latitude line are set, it further includes having laser pointer, several
A light-sensitive element, encoder, master controller, memory, power module, display screen, pad and projector, on globe sphere
The position that a part is labeled with geographic name is respectively equipped with the aperture inside and outside connection globe sphere, and each light-sensitive element is located at
The position of each aperture is mounted in globe sphere, its photosurface passes through aperture respectively and is exposed to that globe sphere is outer and laser
Teacher's pointer matches, and encoder is mounted in globe sphere to be connected by conducting wire respectively with each light-sensitive element, globe sphere south
The rotate position of cooperation of pole and semi-circular support arm is equipped with slip ring carbon brush assembly, and encoder passes through conducting wire and slip ring carbon brush assembly
Each slip ring be connected, master controller is mounted on the base, is connected by conducting wire with each carbon brush of slip ring carbon brush assembly, memory,
Power module, display screen and pad are separately mounted on pedestal, memory, display screen and pad respectively with master controller phase
Even, power module is respectively connected with master controller, memory and display screen, power module by conducting wire and slip ring carbon brush assembly and
The encoder being mounted in globe sphere is connected, and projector is located at outside pedestal, by flexible circuit conductor and master controller and power supply mould
Block is respectively connected with.
The solution have the advantages that: it is easy to use, flexible in application, favorably demonstrates on site to student, information storage
Amount is big, and using effect is good.It stores a large amount of geography information in memory, when the laser beam projects of laser pointer are to signified
After showing the light-sensitive element of position or needing the longitude and latitude data of querying geographical position by keypad input, display screen and throwing
Shadow instrument can directly show the corresponding detailed geography information in geographical location stored in memory, in order to student
Geographical location on tellurion is associated to relevant geography information, memory effect is more sturdy, be also beneficial to professor to
Student or classroom interactions.It demonstrates and uses very flexibly and easily, can greatly promote the actual effect of geographical teaching, can
Think that geographical teaching worker brings great convenience.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the embodiment of the present invention；
Fig. 2 is functional block diagram of the embodiment of the present invention.
Specific embodiment
As shown in Figure 1 and Figure 2, it includes the globe sphere 1 and pedestal 2 that surface rendering has world map, globe sphere
1 south and north poles position rotates with the both ends for the semi-circular support arm 21 being mounted on pedestal 2 cooperation respectively, tellurion ball
The equatorial line of body 1 is equipped with the 360 lattice longitude scales 11 matched with warp, sets between the south and north poles of globe sphere 1
There are both ends to rotate respectively with the both ends in the South Pole of globe sphere 1, arctic position and semi-circular support arm 21 semi-ring of cooperation
Shape latitude ring 12, the inner arc side of semi-circular latitude ring 12 matches with the outer surface of globe sphere 1, in ring body from equatorial positions
The 90 lattice north and south latitude scales 13 matched with 1 latitude line of globe sphere are respectively equipped with to the two poles of the earth position, it further include have it is sharp
Light teacher's pointer 3, several light-sensitive elements 4, encoder 5, master controller 6, memory 7, power module 8, display screen 9, pad 10
With projector 20, the position that the last minute mark of globe sphere 1 is marked with geographic name is respectively equipped with inside and outside connection globe sphere 1
Aperture 14, each light-sensitive element 4 be located at the position that each aperture 14 is mounted in globe sphere 1, its photosurface difference
1 is exposed to outside globe sphere by aperture 14 to match with laser pointer 3, encoder 5 be mounted in globe sphere 1 with it is each
Light-sensitive element 4 is connected by conducting wire respectively, and the rotate position of cooperation of 1 South Pole of globe sphere and semi-circular support arm 21 is equipped with
Slip ring carbon brush assembly 15, encoder 5 are connected by conducting wire with each slip ring of slip ring carbon brush assembly 15, and master controller 6 is mounted on bottom
It is connected on seat 2, by conducting wire with each carbon brush of slip ring carbon brush assembly 15, memory 7, power module 8, display screen 9 and pad
10 are separately mounted on pedestal 2, and memory 7, display screen 9 and pad 10 are connected with master controller 6 respectively, power module 8 with
Master controller 6, memory 7 and display screen 9 are respectively connected with, and power module 8 passes through conducting wire and slip ring carbon brush assembly 15 and is mounted on
Encoder 5 in globe sphere 1 is connected, and projector 20 is located at outside pedestal 2, by flexible circuit conductor and master controller 6 and power supply mould
Block 8 is respectively connected with.
The preceding facade of pedestal 2 is equipped with power switch 22 and power supply indicator 23, and the input terminal of power switch 22 is connected with
Power supply line 25, the output end that the other end is equipped with plug 24 are connected with power module 8, and the two of power supply indicator 23 and power switch 22
A output end is in parallel.
The side elevation of pedestal 2 is equipped with the lateral laser pointer clip with elastic opening for fixed laser teacher's pointer 3
26。
Display screen 9 and pad 10 are set on the preceding facade of pedestal 2.
Pad 10 is equipped with east longitude E(east) key, west longitude W (west) key, north latitude N (north) key, south latitude S (south)
Key, 0,1,2,3,4,5,6,7,8,9 number keys, upper page turning key PgUp, lower page turning key PgDn key, deletion ← key, clear screen Clear key
"enter" key" is confirmed with carriage return.
Laser pointer 3 is equipped with point driving switch.
Axially-spaced open is mounted on globe sphere 1 and semi-circular support arm to each slip ring of slip ring carbon brush assembly 15 respectively
21 rotate cooperation rotation axis on, each carbon brush of slip ring carbon brush assembly 15 is matched with each slip ring respectively is mounted on pedestal 2
On semi-circular support arm 21.
Slip ring carbon brush assembly 15 is equipped with four slip rings and four carbon brush matching respectively with each slip ring, two slip rings and
Two carbon brush are connected with power module 8 for encoder 5 for providing power supply, another two slip rings and another two carbon for encoder 5
Brush is connected with master controller 6 for encoder 5 for 6 transmission location encoded signal of master controller.
The position that geographic name is labeled on globe sphere 1 is respectively each continent, ocean, country, capital, main city
City, river, mountains and rivers, desert, plateau, basin, Plain, equator, the tropic of Capricorn, the tropic of cancer, the Antarctic circle, Arctic Circle and significant
Geographical location etc..Geography information in detail includes humanity, produce, height above sea level, weather, traffic, longitude, the latitude in the geographical location etc.
Deng.
Laser pointer 3 is low-power consumption low level laser teacher's pointer, and light-sensitive element 4 is photodiode, and encoder 5 is photoelectricity volume
Code device, master controller 6 are programmable controller PLC, and memory 7 is magnetic media storage, and power module 8 is multiple-channel output
AC/DC power module, display screen 9 is liquid crystal display LCD, pad 10 is numeric keypad, and projector 20 is at digital light
Manage DLP projector.
Application method and working principle:
First projector 20 is installed in place using preceding, then projector 20 is exported by flexible circuit conductor with the master controller 6 in pedestal 2
Interface is connected with power module 8, and then the plug 24 of power supply line 25 is inserted on socket, after turning on the power switch 22, Deng Daoxian
Display screen 9 and projector 20 can begin to use after showing normally.
After the sphere 1 that rotates the globe arrives suitable position, the point driving switch of laser pointer 3 is opened, its laser beam projects is made
Onto the light-sensitive element 4 of the geographic name position required to look up, which will transmit a signal to encoder 5, compile
Code device 5 can generate set position encoded and the coding is passed to master controller 6 by slip ring carbon brush assembly 15, main
Controller 6 can be according to the position encoded detailed geography information that will be stored in memory 7 with the position encoded corresponding address
It extracts, and is shown by display screen 9 and projector 20, for teacher's teaching and student's study, information content more to one
When screen is not shown, it can be shown by upper page turning key PgUp, the lower upper and lower page turning of page turning key PgDn key.
It can also be indicated without using laser pointer 3, and by rotate the globe sphere 1 and semi-circular latitude ring 12, it need to
The longitude and latitude of the geographic name position light-sensitive element 4 to be searched are carved by 360 lattice longitudes on 1 equatorial line of globe sphere
180 lattice north and south latitude scales 13 on degree 11 and semi-circular latitude ring identify, then the longitude of the position and latitude are passed through
Keypad 10 inputs master controller 6, and display screen 9 can show four longitudes and three latitude information E(W) * * * N(S) * * (example
Such as: 110 degree of E110N50(east longitude, 50 degree of north latitude), 85 degree of W085S52(west longitude, 52 degree of south latitude), the latitude on equatorial line is 000,
Longitude on the first meridian is 0000), enter key to be pressed after the completion of input, is stored in memory 7 and the position consistency or most
The detailed geography information of close corresponding address will be extracted, and be shown by display screen 9 and projector 20,
For teacher's teaching and student's study.Since space is limited, it is impossible to which all geography on globe sphere 1 is nominally all pacified
Light-sensitive element 4 is filled, some geographic name positions for being not provided with light-sensitive element 4 can find by way of inputting longitude and latitude and deposit
The geography information in memory 7 is stored up, to obtain a greater amount of information.
When turning off the power switch 22 and being not required to transfer details demonstration, it can also be used as common tellurion, and
It can use laser pointer 3 to indicate the relevant position on globe sphere 1, or using on 1 equatorial line of globe sphere
360 lattice longitude scales 11 and semi-circular latitude ring on 180 lattice north and south latitude scales 13 teach relevant information, it is equally possible to
Reach good teaching purpose.
Claims (7)
1. laser pointer operated teaching demonstration projection tellurion, it includes the globe sphere that surface rendering has world map
(1) and pedestal (2), the south and north poles position of globe sphere (1) respectively with the semi-circular support arm that is mounted on pedestal (2)
(21) both ends rotate cooperation, it is characterised in that: the equatorial line of globe sphere (1) is equipped with 360 matched with warp
Lattice longitude scale (11) is equipped with the both ends south with globe sphere (1) respectively between the south and north poles of globe sphere (1)
The both ends of pole, arctic position and semi-circular support arm (21) rotate the semi-circular latitude ring (12) of cooperation, semi-circular latitude ring
(12) inner arc side matches with the outer surface of globe sphere (1), is respectively equipped in ring body from equatorial positions to the two poles of the earth position
The 90 lattice north and south latitude scales (13) matched with globe sphere (1) latitude line, it further includes having laser pointer (3), several
A light-sensitive element (4), encoder (5), master controller (6), memory (7), power module (8), display screen (9), pad
(10) and projector (20), the position that globe sphere (1) last minute mark is marked with geographic name are respectively equipped with connection tellurion
Aperture (14) inside and outside sphere (1), each light-sensitive element (4) are located in globe sphere (1) and are mounted on each aperture (14)
Position, its photosurface pass through aperture (14) respectively and be exposed to globe sphere outer (1) and matched with laser pointer (3), coding
Device (5) is mounted in globe sphere (1) to be connected by conducting wire respectively with each light-sensitive element (4), globe sphere (1) South Pole and
Semi-circular support arm (21) rotate cooperation position be equipped with slip ring carbon brush assembly (15), encoder (5) pass through conducting wire and slip ring
Each slip ring of brush (15) is connected, and master controller (6) is mounted on pedestal (2), by conducting wire and slip ring carbon brush assembly
(15) each carbon brush is connected, and memory (7), power module (8), display screen (9) and pad (10) are separately mounted to pedestal (2)
On, memory (7), display screen (9) and pad (10) are connected with master controller (6) respectively, power module (8) and master controller
(6), memory (7) and display screen (9) are respectively connected with, and power module (8) passes through conducting wire and slip ring carbon brush assembly (15) and installation
Encoder (5) in globe sphere (1) is connected, projector (20) be located at pedestal (2) outside, pass through flexible circuit conductor and master controller
(6) it is respectively connected with power module (8).
2. laser pointer operated teaching demonstration as described in claim 1 projection tellurion, it is characterised in that the pedestal
(2) preceding facade is equipped with power switch (22) and power supply indicator (23), and the input terminal of power switch (22) is connected with another
Power supply line (25), the output end that end is equipped with plug (24) are connected with power module (8), power supply indicator (23) and power switch
(22) two output ends are in parallel.
3. laser pointer operated teaching demonstration as described in claim 1 projection tellurion, it is characterised in that the pedestal
(2) side elevation is equipped with the lateral laser pointer clip (26) with elastic opening for fixed laser teacher's pointer (3).
4. laser pointer operated teaching demonstration as described in claim 1 projection tellurion, it is characterised in that the display
Shield (9) and pad (10) is set on the preceding facade of pedestal (2).
5. laser pointer operated teaching demonstration as described in claim 1 projection tellurion, it is characterised in that the laser
Teacher's pointer (3) is equipped with point driving switch.
6. laser pointer operated teaching demonstration as described in claim 1 projection tellurion, it is characterised in that the slip ring
Axially-spaced open is mounted on globe sphere (1) and semi-circular support arm (21) phase turn to each slip ring of brush (15) respectively
In the rotation axis of dynamic cooperation, each carbon brush of slip ring carbon brush assembly (15) is matched with each slip ring respectively is mounted on the half of pedestal (2)
On annular brace arm (21).
7. laser pointer operated teaching demonstration as described in claim 1 projection tellurion, it is characterised in that the slip ring
Four carbon brush that brush (15) is equipped with four slip rings and matches respectively with each slip ring, two slip rings and two carbon brush are used
It is connected with power module (8) for providing power supply for encoder (5) in encoder (5), another two slip rings and another two carbon brush are used
It is connected with master controller (6) in encoder (5) for master controller (6) transmission location encoded signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910080459.XA CN109697929B (en) | 2019-01-28 | 2019-01-28 | Projection globe for laser pointer control type teaching demonstration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910080459.XA CN109697929B (en) | 2019-01-28 | 2019-01-28 | Projection globe for laser pointer control type teaching demonstration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109697929A true CN109697929A (en) | 2019-04-30 |
| CN109697929B CN109697929B (en) | 2021-02-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910080459.XA Active CN109697929B (en) | 2019-01-28 | 2019-01-28 | Projection globe for laser pointer control type teaching demonstration |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113870677A (en) * | 2021-08-11 | 2021-12-31 | 杨永顺 | Six-axis magic cube learning machine |
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| CN113870677A (en) * | 2021-08-11 | 2021-12-31 | 杨永顺 | Six-axis magic cube learning machine |
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| Publication number | Publication date |
|---|---|
| CN109697929B (en) | 2021-02-12 |
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