CN201993990U - Directviewing earth motion demonstration instrument - Google Patents
Directviewing earth motion demonstration instrument Download PDFInfo
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- CN201993990U CN201993990U CN2011200456196U CN201120045619U CN201993990U CN 201993990 U CN201993990 U CN 201993990U CN 2011200456196 U CN2011200456196 U CN 2011200456196U CN 201120045619 U CN201120045619 U CN 201120045619U CN 201993990 U CN201993990 U CN 201993990U
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- micromotor
- swivel plate
- globe
- axle
- demonstration instrument
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Abstract
The utility model relates to a demonstration instrument capable of demonstrating motion of the earth in a Directviewing manner, which comprises a translucent globe housing, a globe support pipe and a base, wherein two circular rings which are in mutual vertical intersection are arranged in the globe housing, a rotating plate which can rotate up and down is arranged on the circular rings, and a light source and a red spotlight are arranged on the rotating plate. Therefore, the demonstration instrument can demonstrate the motion direction of rotation of the earth, obliquity of the ecliptic, the related characteristics of a terminator, the spatial variation law of local time, the spatial variation law of day-night length, the calculation of the day-night length, the position of a subsolar point and the variation of solar altitude angle at noon in the Directviewing manner, and further comprehensively demonstrate the variation law of polar day, polar night, the day-night length, the terminator, the position of the subsolar point, the solar altitude angle at noon and the like.
Description
Technical field
The utility model relates to a kind of demonstrator of energy ocular demonstration earth movements.
Background technology
All be to shine the relevant knowledge that terrestrial globe, three-globe instrument are demonstrated earth movements with electric torch in the existing classroom instruction, effect is always undesirable, has some defectives: 1, day and night change and length change not obvious, directly perceived inadequately; The variation of height of the sun at noon that 2, can't clear demonstration different latitude; 3, can not accurately demonstrate the length round the clock of certain solar term and the variation and the rule of height of the sun at noon; Though along with modern information technologies are used in teaching, upgrade teaching means and method, improved teaching efficiency, because the producer is to the deficiency of the understanding and the application of modern information technologies knowledge, the earth movements courseware majority of using the modern information technologies making rests on plane demonstration or the just simple conversion or the simulation of three-globe instrument, the demonstration effect is undesirable, has the limitation of viewing angle etc.
A kind of terrestrial globe is disclosed in patent 02226833.2, ball is a hollow transparent, one electric light and timing electric driver are set on the rack shaft in ball, side at electric light is provided with light shield, can show intuitively the earth as daytime, the geographical situation of the time relationship of night or various places, but because the stationkeeping of electric light, light is also relative fixed in the position of the projection of ball formed bright and dark face, the daytime and the night of representative also are relative fixed on sphere respectively thus, can not demonstrate the sun on daytime that Various Seasonal produces, night the position on ball.
Summary of the invention
For addressing the above problem, the utility model proposes following technical scheme.
A kind of earth movement demonstration instrument comprises translucent terrestrial globe housing, globe bracket pipe, pedestal.Globe bracket pipe bottom is outside equipped with a micromotor, and the turning axle that described micromotor can drive the terrestrial globe housing makes the terrestrial globe housing rotate along the rotation axis.
In the terrestrial globe housing, be provided with by diameter identical parallel annulus and vertical annulus, two annulus place faces intersect vertically mutually, fixedlying connected with the upper support axle of globe bracket pipe in intersection, two annulus top, makes the line of intersection, two annulus upper and lowers and terrestrial globe rotation axis point-blank.For ease of demonstration, can vertical annulus is vertical with globe bracket pipe place face when two annulus are provided with, parallel annulus is parallel with globe bracket pipe place face.
The place is an end points with the above downcrossings of vertical annulus, vertical annulus can be divided into left arc and right arc.Be provided with a circular swivel plate in vertical annulus, the left side axle on swivel plate both sides is separately positioned on the position of vertical annulus left side arc central point and right arc central point with right axle.Swivel plate is provided with a built-in micromotor, and by the effect of built-in micromotor, swivel plate can rotate along the axis by left arc central point of vertical annulus and right arc central point under left side axle and right axle support.Simultaneously, at the swivel plate circle centre position one red spotlight is set, on swivel plate, also be provided with a light source, after the some bright light source, can form half bright and half dark face at the terrestrial globe housing, in order to simulate the day and night that solar irradiation forms to earth surface, behind the some shiny red spotlight, red pointolite shines on the terrestrial globe shell inner surface, subpoint on its inside surface forms red bright spot in the terrestrial globe housing outer surface, red bright spot diameter is greater than the width of parallel annulus, in order to represent the point of vertical position of the sun.Under the rotation of swivel plate, red bright spot can move up and down along warp in the terrestrial globe housing outer surface, in order to the situation of simulated solar in the spring, summer, autumn and winter.Parallel annulus is used for representing the shift position of subsolar point at warp direction at the formed line of terrestrial globe shell inner surface projection.Simultaneously, along with the rotation of swivel plate, bright of the terrestrial globe housing and dark face rotate thereupon, can clearly simulate the polar day and the situation at polar night in circadian variation and the polar circle.
Connect the lead of light source, red spotlight, micromotor can be respectively be arranged on pedestal on many groups switch is connected, under switch is controlled, realize the open and close light source respectively; The red spotlight of open and close; Open and close control micro motor for driving terrestrial globe housing rotates; The lead that connects built-in micromotor is connected with controller, under controller control, realizes that swivel plate rotates up and down along its axis.Described switch, controller are connected with power supply by lead again.
Further being above-mentioned built-in micromotor is connected with wireless remotely-controlled switch on being arranged on pedestal by lead, and wireless remotely-controlled switch is connected with power supply by lead again, under the control of remote controller, realizes rotating up and down along its axis of swivel plate.
Further be on the terrestrial globe rotation axis on both sides, the swivel plate center of circle, two red spotlights to be set respectively again.Like this, light three red spotlights, can calculate sun altitude by subpoint position latitude in the terrestrial globe housing outer surface.
Further be a light source to be set again on the swivel plate as standby.
The utility model can ocular demonstration: the earth rotation movement direction; Ecliptic obliquity; The features relevant of terminator; The spatial variations rule of local time; The spatial variations rule of length, length calculating round the clock round the clock; The position of subsolar point, the variation of height of the sun at noon, calculating height of the sun at noon; Comprehensive demonstration polar day polar night, Changing Patterns such as length, terminator, subsolar point position, height of the sun at noon round the clock.
Description of drawings
Fig. 1 is the earth movement demonstration instrument structural representation
Coding in the accompanying drawing is respectively: 1 terrestrial globe housing, 2 globe bracket pipes, 3 pedestals, 4 micromotors, 5 vertical annulus, 6 parallel annulus, 7 swivel plates, 8 left side axles, 9 right axle 10 built-in micromotors, 11 red spotlights, 12 light sources, 13 upper support axles, 14 turning axles, 15 left arc central points, 16 right arc central points, 17 terrestrial globe rotation axis, 18 swivel plate pivot centers, 19 switches, 20 leads, 21 wireless remotely-controlled switches, 22 remote controllers, 23 power supplys.
Embodiment:
Now in conjunction with the accompanying drawings embodiment is described
As shown in Figure 1: one micromotor 4 is arranged in globe bracket pipe 2 bottoms, the axle of micromotor 4 is fixedlyed connected with the turning axle 14 of terrestrial globe housing 1 bottom, like this under the support of 4 of upper support axle 13 and micromotors, micromotor 4 rotates, and drives terrestrial globe housing 1 by turning axle 14 and rotates along terrestrial globe rotation axis 17.Globe bracket pipe 2 is a hollow tubular structure.
The vertical annulus 5 that diameter is identical intersects vertically mutually with parallel annulus 6, vertical annulus 5 is perpendicular with globe bracket pipe 2 place faces, two annulus tops intersect at upper support axle 13 places of globe bracket pipe 2, and fixedly connected, make the line of intersection, two annulus upper and lowers and terrestrial globe rotation axis 17 point-blank.Upper support axle 13 is a hollow tubular structure, and the lead of being convenient in the terrestrial globe housing 1 passes from the pipe of upper support axle 13.
Round swivel plate 7 is arranged in the vertical annulus 5, the right axle 9 of swivel plate 7 is arranged in the right arc of vertical annulus on dessert 16 positions, by the axle conduct left side axle 8 that is arranged on the built-in micromotor 10 on the swivel plate 7, and fixedly connected with left arc central point 15, swivel plate 7 can rotate along swivel plate pivot center 18 under the drive of built-in micromotor 10.
On the terrestrial globe rotation axis 17 of swivel plate 7, be provided with three red spotlights 11, wherein the center of circle has one, and two other is separately positioned on the both sides, the center of circle of swivel plate 7.After lighting three red spotlights 11, the red spotlight 11 that the center of circle is provided with is represented sun position at terrestrial globe housing 1 inside surface drop shadow red's point, and two other drop shadow red's point is used to finish the calculating of sun altitude as reference position.On the terrestrial globe rotation axis 17 of swivel plate 7, also be provided with two light sources 12, after lighting, can on terrestrial globe housing 1, produce bright and dark face, represent tellurian daytime and night respectively.
After the lead that connects light source 12, red spotlight 11 passes the pipe of upper support axle 13, pass globe bracket pipe 2 again, respectively be arranged on pedestal 3 on switch 19 is connected, realize open and close light source 12, open and close redness spotlight 11.After the lead that connects built-in micromotor 10 passes the pipe of upper support axle 13, wireless remotely-controlled switch 21 on passing globe bracket pipe 2 again and being arranged on pedestal 3 is connected, and under the control of remote controller 22, realize rotating up and down of swivel plate 7 along swivel plate pivot center 18.Switch 19 on the lead of connection micromotor 4 passes globe bracket pipe 2 lower ends and is arranged on pedestal 3 is connected, and under switch 19 controls, realizes that terrestrial globe housing 1 is along 17 rotations of terrestrial globe rotation axis.Above-mentioned switch is connected with power supply 23 by lead 20 again.
Claims (8)
1. earth movement demonstration instrument, comprise translucent terrestrial globe housing (1), globe bracket pipe (2), pedestal (3), it is characterized in that: globe bracket pipe (2) bottom is outside equipped with a micromotor (4), behind micromotor (4) the driven rotary axle (14), can drive terrestrial globe shell (1) and rotate along terrestrial globe rotation axis (17); In terrestrial globe housing (1), be provided with the identical vertical annulus (5) of diameter and parallel annulus (6), described two annulus intersect vertically mutually, the intersection on top is located at upper support axle (13), and fixedly connected with upper support axle (13), make the line of intersection of two annulus upper and lowers and terrestrial globe rotation axis (17) point-blank; In vertical annulus (5), be provided with a circular swivel plate (7), the left side axle (8) on swivel plate both sides is separately positioned on left arc central point of vertical annulus (5) (15) and right arc central point (16) position with right axle (9), swivel plate (7) is provided with a built-in micromotor (10), under built-in micromotor (10) effect, swivel plate (7) rotates along swivel plate pivot center (18) under supporting in a left side spool (8) and right spool (9); At swivel plate (7) circle centre position one red spotlight (11) is set, swivel plate is provided with a light source (12).
2. earth movement demonstration instrument according to claim 1 is characterized in that on the swivel plate pivot center (18) on swivel plate (7) both sides, the center of circle two red spotlights (11) being set respectively again.
3. earth movement demonstration instrument according to claim 1 and 2 is characterized in that the axle of described built-in micromotor (10) directly is fixed on the left arc central point (15) as left side axle (8).
4. earth movement demonstration instrument according to claim 3 is characterized in that the axle of micromotor (4) is directly fixedlyed connected with the turning axle (14) of terrestrial globe housing (1).
5. earth movement demonstration instrument according to claim 4 is characterized in that vertical annulus (5) is vertical with globe bracket pipe (2) place face.
6. earth movement demonstration instrument according to claim 5, it is characterized in that upper support axle (13) is a hollow tubular structure, the lead that is connected with light source (12), red spotlight (11) is by upper support axle (13), again by in the globe bracket pipe (2) be arranged on pedestal (3) on many groups switch (19) be connected; The lead that connects built-in micromotor (10) is by upper support axle (13), again by in the globe bracket pipe (2) be arranged on pedestal (3) on controller be connected; Switch (19) on the lead of connection micromotor (4) passes globe bracket pipe lower end and is arranged on pedestal is connected, and switch (19) is connected with power supply (23) by lead again.
7. earth movement demonstration instrument according to claim 6 is characterized in that the controller that is connected with built-in micromotor (10) is arranged on the wireless remotely-controlled switch (21) on the pedestal, and under the control of remote controller (22), realizes the rotation of built-in micromotor (10).
8. earth movement demonstration instrument according to claim 7 is characterized in that being provided with a light source (12) again on swivel plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200456196U CN201993990U (en) | 2011-02-20 | 2011-02-20 | Directviewing earth motion demonstration instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200456196U CN201993990U (en) | 2011-02-20 | 2011-02-20 | Directviewing earth motion demonstration instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201993990U true CN201993990U (en) | 2011-09-28 |
Family
ID=44670471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200456196U Expired - Fee Related CN201993990U (en) | 2011-02-20 | 2011-02-20 | Directviewing earth motion demonstration instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201993990U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107025839A (en) * | 2017-05-05 | 2017-08-08 | 深圳市十号科技有限公司 | A kind of spinning tellurion |
| CN108389501A (en) * | 2018-03-21 | 2018-08-10 | 杜明刚 | A kind of morning and evening convenient for teaching demonstration encloses the land globe |
| WO2021134545A1 (en) * | 2019-12-31 | 2021-07-08 | 李庆远 | Sector display |
-
2011
- 2011-02-20 CN CN2011200456196U patent/CN201993990U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107025839A (en) * | 2017-05-05 | 2017-08-08 | 深圳市十号科技有限公司 | A kind of spinning tellurion |
| CN107025839B (en) * | 2017-05-05 | 2023-10-13 | 广州逸龙科技发展有限公司 | Self-rotating globe |
| CN108389501A (en) * | 2018-03-21 | 2018-08-10 | 杜明刚 | A kind of morning and evening convenient for teaching demonstration encloses the land globe |
| WO2021134545A1 (en) * | 2019-12-31 | 2021-07-08 | 李庆远 | Sector display |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20140220 |