CN207425222U - A kind of Multifunctional demonstration based on earth rotation, revolution - Google Patents

Abstract

A kind of Multifunctional demonstration based on earth rotation, revolution, it is related to a kind of geography teaching appliance, rotation can only be demonstrated to solve existing tellurion, the problem of earth rotation, the lower atmospheric circulation campaign of revolution and zone of pressure, wind band climatic phenomenon can not be visually demonstrated, it includes track, it is provided with to represent the light source of the sun on the inner ring surface of track, it is provided on track around light source revolution and the sphere of rotation, the track is elliptical orbit, and the mobile device that sphere autobiography can be driven to revolve round the sun again is disposed on track；The strand for representing equator weft and 24 warps is disposed on sphere, the gyre for the expression Atmospheric Flow that central angle is 270 ° is cased on warp, gyre is respectively the first gyre with Low-latitude Circulations, the second gyre with middle latitude circulation and the 3rd gyre with Middle-high Latitude Circulation；The region that central angle between gyre both ends is 90 ° represents zone of pressure, wind region.The utility model is used for geographical teaching.

Description

A kind of Multifunctional demonstration based on earth rotation, revolution

Technical field

The utility model is related to a kind of geography teaching appliance, it is more particularly to a kind of based on earth rotation, revolution it is multi-functional Demonstrator, it is especially a kind of intuitively to demonstrate the demonstrator of junior-senior high school geographical teaching difficult point comprehensively for imparting knowledge to students.

Background technology

The related content of the movement of the earth.The influence of atmospheric circulation, zone of pressure, the seasonal transfer of wind band to world climate etc. Related content.The emphasis for being geographical teaching is also difficult point.These contents are largely related to the imagination of solid space.Teaching makes at present Tellurion is defective.It is difficult expression of space content that the conventional plane figure used, which has,.Most students have shortage space imagination Power.So that this partial content allows student to understand difficulty, study gets up to have dull uninteresting sensation.This cannot mobilizing students The enthusiasm of studying the geography causes teaching efficiency poor.

Utility model content

The utility model is can only to demonstrate rotation to solve existing tellurion, can not be visually demonstrated under earth rotation, revolution The problem of atmospheric circulation campaign and zone of pressure, wind band climatic phenomenon, and then a kind of more work(based on earth rotation, revolution are provided It can demonstrator.

The utility model adopts the technical scheme that in order to solve the above problem：

A kind of Multifunctional demonstration based on earth rotation, revolution includes track, is provided with and is used on the inner ring surface of track It represents the light source of the sun, is provided on track around light source revolution and the sphere of rotation, the sphere is earth model, described Track is elliptical orbit, and the mobile device that sphere autobiography can be driven to revolve round the sun again is disposed on track；

The strand for representing equator weft and 24 warps is disposed on sphere, it is 270 ° that central angle is cased on warp Represent the gyre of Atmospheric Flow, gyre is respectively with the first gyre of Low-latitude Circulations, with middle latitude circulation Second gyre and the 3rd gyre with Middle-high Latitude Circulation；

The region that central angle between gyre both ends is 90 ° represents zone of pressure, wind region, and zone of pressure, wind band are with seven Root magnetic stripe represents that seven magnetic stripes are from top to bottom arranged in order, first magnetic stripe with equatorial low band, with subtropics height Second magnetic stripe of zone of pressure, the 3rd magnetic stripe with subpolar depression belt, the 4th magnetic with polar region hyperbar band Article, with the 5th magnetic stripe, the six roots of sensation magnetic stripe with westerlies and the 7th magnetic stripe with easterlies of trade-wind zone.

The beneficial effects of the utility model are：The utility model sphere simulates rotation in moving cart, revolves round the sun, sphere, Mobile device, gyre, air pressure tape, wind tape are detachably connected, and it is comprehensively directly perceived to demonstrate the content of simulation teching, demonstration behaviour Make simple, earth rotation and the lower atmospheric circulation campaign of revolution and zone of pressure, wind band climatic phenomenon can be visually demonstrated, it can be into passing through Degree interpretation, time difference calculating and demonstration round the clock and the interpretation of terminator, light source installation is in orbit, and sphere moves in orbit, Governing speed can demonstrate perihelion aphelion.Later stage is practical strong, after geography learning, earth north and south is separated, the Northern Hemisphere Mounted LED lamp can work as desk lamp for learning.Fan wing is installed in the Southern Hemisphere with the fixing axle of rotation, can work as fan and learn for summer Refrigeration uses.Track, zone of pressure, wind carrying material are cheap, and the content of the utility model demonstration simulation teching is comprehensively directly perceived, drills Show easy to operate, the utility model is used for geographical teaching or amateurish study.

Description of the drawings

Fig. 1 is the utility model overall structure diagram；

Fig. 2 is to realize the structure diagram that the transmission mechanism and driving mechanism of the revolution of the earth and rotation are connected with each other；

Fig. 3 is four engaged transmission schematic diagram of ring gear and gear；

Fig. 4 is the structure diagram of wherein 12 warp winding arrangements；

Fig. 5 is the structure diagram of remaining 12 warps winding arrangement；

Fig. 6 is three gyres and zone of pressure, wind band play configuration schematic diagram；

Fig. 7 arranges schematic diagram for gyre；

Fig. 8 is installation headlamp in the installation of the Northern Hemisphere, and the structure diagram of fan blade is installed in the Southern Hemisphere；

Fig. 9 is climate type schematic diagram.

Specific embodiment

Below in conjunction with the accompanying drawings and specific embodiment is further described the technical solution of the utility model.

Illustrate referring to Fig. 1-Fig. 7, a kind of Multifunctional demonstration based on earth rotation, revolution includes track 1, track 1 It is provided with to represent the light source 2 of the sun on inner ring surface, the sphere 3 around the revolution of the light source 2 rotation again is provided on track 1, The sphere 3 is earth model, and the track 1 is elliptical orbit, and being disposed on track 1 can drive what sphere autobiography revolved round the sun again Mobile device 4；

The strand 5 for representing equator weft and 24 warps is disposed on sphere 3, central angle is cased on warp as 270 ° Expression Atmospheric Flow gyre, gyre be respectively with the first gyre 6 of Low-latitude Circulations, with middle latitude circulation The second gyre 7 and the 3rd gyre 8 with Middle-high Latitude Circulation；

The region that central angle between gyre both ends is 90 ° represents zone of pressure, wind region, and zone of pressure, wind band are with seven Root magnetic stripe represents that seven magnetic stripes are from top to bottom arranged in order, first magnetic stripe 9 with equatorial low band, with subtropics Second magnetic stripe 10 of hyperbar band, the 3rd magnetic stripe 11 with subpolar depression belt, with polar region hyperbar band Four magnetic stripes 12, the 5th magnetic stripe 13 with trade-wind zone, the six roots of sensation magnetic stripe 14 with westerlies and with easterlies Seven magnetic stripes 15.

Sphere rotation, revolution motion can be used common chargeable motor and four wheels driven to realize, similar children are remotely controlled Toy car lifts tellurion.Track uses harmless plastics elliptic orbit, and can be revolved round the sun pace with remote control control And then demonstrate the perihelion aphelion motion conditions of the revolution of the earth.

Elliptic orbit simulates earth 's orbit, the light source analogy sun.Detachable latitude and longitude, simulated atmosphere circulation, air pressure Band wind band, climate type, ocean current device.The sphere is made of transparent plastic, is made of two two, north and south hemisphere removable Dress.

Light source, simulated solar are installed, the light that solar energy sends four direction can visually demonstrate out on the elliptic orbit The recurrent mutation of subsolar point controls sphere rotation, revolution speed, can visually demonstrate the public affairs of revolution of the earth perihelion aphelion Rotary speed.The variation of four seasons terminator can be demonstrated by changing the light source into electroluminescent lamp.

The dismantled and assembled warp is wrapped in using steel wire or iron wire on sphere, and weft can be represented with red steel wire or iron wire Equator, warp and weft can wrap up the set that sets of different colours, and 24 warps, four kinds of colors form, wherein, zero degree is in vain Colo(u)r streak, 180 degree are used red line, this two warps can simultaneously be dismounted than other through line width in centre.West longitude degree is with red to white Gradual change can visually demonstrate, and the variation of west longitude degree line color is sequentially reduced by the earth rotation direction number of degrees, and east longitude degree is using red to red Gradual change can visually demonstrate, and the variation of east longitude degree line color is successively increased by earth rotation direction.From sphere at 0 degree or 180 degree, Dismantling can be placed on the plane.And then the conversion from solid to plane is realized, the time difference is demonstrated in study in the plane.Place is torn open under the line Opening can demonstrate in polar region top view learning graticules, and the time difference calculates.Realize directly perceivedization of geographical teaching.

Three-cell circulation is made 270 degree of three circle demonstrations, the colored magnetic with the arrow of three circles by transparent magnetic force plastic material Power plastic strip demonstrates the flowing of air, and remaining 90 degree are demonstrated zone of pressure, wind band with magnetic force plastic strip.

As shown in figure 9, arrow represents Atmospheric Flow, in order to represent climate type, zone of pressure, wind band can be stayed in tellurion On gyre is removed, by climate type by latitude shape press on sphere.And then the origin cause of formation of climate type is demonstrated out, it is understood as By climate type, each is represented with the different bands with magnetic force because after, is pressed by latitude shape by climate type on sphere, then On the basis of climate type natural zone is represented with the plastic tree grass sand made.Zone of pressure wind band is removed, can be showed in plan view Show the related content of zone of pressure wind band.In use, the extension of track 1 increases, nine colors are different and bead in different size is drilled Show the solar system, a sun corresponds to 8 planets.

Illustrate referring to Fig. 1, a light source 2 is arranged in a focus of the long axis of the inner ring of track 1, and the light source 2 is band There is the LED light of rechargeable battery.So light source 2 is arranged on the left focus or right focus of the long axis of track, and the demonstration revolution of the earth is near The revolution speed of day point aphelion.So set, the variation of four seasons terminator can be demonstrated by changing the light source into electroluminescent lamp.

Illustrate referring to Fig. 4 and Fig. 5, the strand 5 for representing equator weft and 24 warps is steel wire or iron wire or magnetic The combination of property plastic strip or magnetic plastic material strip and luminescent plastic item.Luminescent plastic item can be used light-operated luminous with LED light Plastic strip, magnetic plastic material strip and luminescent plastic item can cluster link together.

Illustrate referring to Fig. 6, the first gyre 6, the second gyre 7 and the 3rd gyre 8 are magnetic plastics circulation circle.Ginseng See Fig. 6 and Fig. 7 explanations, first magnetic stripe, 9, second magnetic stripes 10, the 3rd magnetic stripe 11, the 4th magnetic stripe 12, the 5th magnetic stripe 13rd, six roots of sensation magnetic stripe 14 and the 7th magnetic stripe 15 are the combination of magnetic plastic material strip or magnetic plastic material strip and luminescent plastic article. Equator weft and 24 warps are wound using steel wire or iron wire, can attract magnet, demonstration facilitate it is directly perceived, using magnetic plastics The zone of pressure of gyre and magnetic stripe, wind band convenient material drawing, it is cheap and easy to get.

Illustrate referring to Fig. 4 and Fig. 5,24 5 corresponding warps of strand are 15 ° of west longitude, 15 ° of east longitude, west longitude 30 °, 30 ° of east longitude, 45 ° of west longitude, 45 ° of east longitude, 60 ° of west longitude, 60 ° of east longitude, 75 ° of west longitude, 75 ° of east longitude, 90 ° of west longitude, 90 ° of east longitude, west Through 105 °, 105 ° of east longitude, 120 ° of west longitude, 120 ° of east longitude, 135 ° of west longitude, 135 ° of east longitude, 150 ° of west longitude, 150 ° of east longitude, west longitude 165 °, 0 ° and 180 ° 165 °, east longitude warps.Wherein, 0 ° of warp and 180 ° of warps than other through line width, each among using card Conjunction is buckled, can both dismantle can combine, so set, three-dimensional sense is strong, be conducive to teaching demonstration, 0 from sphere At degree or 180 degree, dismantling can be placed on the plane, and then realize the conversion from solid to plane, in the plane during study demonstration Difference.Place, which is dismantled, under the line can demonstrate in polar region top view learning graticules, and the time difference calculates, and realizes directly perceivedization of geographical teaching.

Illustrate referring to Fig. 8, sphere 3 is assembled by Southern Hemisphere 3-1 and Northern Hemisphere 3-2, and illumination is equipped in the 3-2 of the Northern Hemisphere Lamp 17 is disposed with fan blade 18-1 in the 3-1 of the Southern Hemisphere.So set, after teaching demonstration, Northern Hemisphere 3-2 and the Southern Hemisphere 3-1 is removed, and Northern Hemisphere 3-2 installation headlamps 17, can be LED light, can work as desk lamp for learning.Southern Hemisphere 3-1 rotations Fixing axle installs fan blade 18-1, can work as fan and learn refrigeration use for summer, vdiverse in function, meets actual demand.

Illustrate referring to Fig. 1 and Fig. 2, mobile device 5 is trolley, and mobile device 5 includes the driver that can drive sphere rotation Structure, the transmission mechanism are mounted on the car body of trolley, and the transmission mechanism includes motor 4-2, one 4-3 of gear, two 4- of gear 4 and three 4-5 of gear；One 4-3 of gear is installed, two 4-4 of gear is mounted on the wheel shaft of car body, tooth on the output shaft of motor 4-2 It takes turns and fixing axle 4-6 is installed on three 4-5, the angle of fixing axle 4-6 and horizontal plane is 23.5 °, and sphere is equipped on fixing axle 4-6 3, one 4-3 of gear is engaged with two 4-4 of gear, and two 4-4 of gear is engaged with three 4-5 of gear.So set, motor 4-2 band moving gears One 4-3 is rotated, and one 4-3 of gear is rotated with two 4-4 of moving gear, and then realizes trolley movement in orbit with sphere 3 around light source 2 Revolution motion, two 4-4 of gear bands moving gear three 4-5 rotates, and realizes the rotation of sphere 3.Mobile device can be replaced with the hovering wing Trolley.Hovering at this time, the spinning motion of movement and sphere 3 can independent control in orbit for the wing.

Mobile device 4 further includes the driving mechanism that can drive the moon 20 around the revolution of the earth, and driving structure includes ring gear 16- 1 and four 16-2 of gear；Four 16-2 of gear is mounted on fixing axle 4-6, and ring gear 16-1 is rotatablely installed by connector and bearing On the frame body of mobile device 4, four 16-2 of gear and ring gear 16-1 internal messings, the outer wall of ring gear 16-1 are equipped with the moon 20.So set, when fixing axle 4-6 is rotated, four 16-2 of gear being mounted on fixing axle 4-6 is driven to rotate, drives ring gear 16-1 is rotated, and then the moon 20 is driven to revolve round the sun around sphere 3.The moon 20 can be driven also to be disposed on shell around the driving mechanism of the revolution of the earth In vivo, the moon 20 stretches out housing, and such sphere 3 and the moon 20 still realize respective movement.

Illustrate referring to Fig. 1 and Fig. 2, track 1 is plastic rails；Annular shroud 1, annular shroud one are provided on track 1 Circular passage is offered on 18, is provided with annular shroud 2 19 on the inner ring surface where light source 2, annular shroud 1 covers movement Device 4, sphere 3, the moon 20 and driving mechanism stretch out annular shroud 1, and light source 2 stretches out annular shroud 2 19.So set, Convenient material drawing, cheap and easy to get, shield of the annular shroud 1 as mobile device 4, circular passage are to ensure turning for sphere 3 Axis and the frame body of fixed drive mechanism can the stable operation on annular shroud 1, such sphere 3, the moon 20 and driving mechanism are worn Cross annular shroud 1 so that the proper image of demonstrator overall appearance, the revolution, rotation and the moon 20 for not influencing sphere 3 surround Sphere 3 revolves round the sun, and light source 2, which also can guarantee, illuminates sphere 3.

In use, three-cell circulation circle and zone of pressure, wind band are removed, red blue dichromatism magnetic force plastics material can be used in ocean current Material.Warm current is represented with red, and blueness represents cold current.It compensates and flows by wind current, different shape size is properly attached on tellurion. By different names, different shape size is properly attached on tellurion.At fishing ground fishing ground is represented with fish shape.

The present invention is disclosed as above with preferable case study on implementation, however is not limited to the present invention, any to be familiar with this specialty Technical staff, without departing from the scope of the present invention, when the structure and technology contents that can utilize the disclosure above are done Go out a little change or be modified to the equivalence enforcement case of equivalent variations, but it is every without departing from technical solution of the present invention Hold, any simple modification, equivalent change and modification that technical spirit according to the invention does more than case study on implementation still belongs to Technical solution of the present invention scope.

Claims (10)

1. a kind of Multifunctional demonstration based on earth rotation, revolution, it is characterised in that：It includes track (1), track (1) It is provided with to represent the light source (2) of the sun on inner ring surface, is provided on track (1) around the light source (2) revolution rotation again Sphere (3), the sphere (3) are earth model, and the track (1) is elliptical orbit, and ball can be driven by being disposed on track (1) The mobile device (4) that body autobiography revolves round the sun again；

The strand (5) for representing equator weft and 24 warps is disposed on sphere (3), central angle is cased on warp as 270 ° Expression Atmospheric Flow gyre, gyre be respectively with the first gyre (6) of Low-latitude Circulations, with middle latitude ring The second gyre (7) and the 3rd gyre (8) with Middle-high Latitude Circulation of stream；

The region that central angle between gyre both ends is 90 ° represents zone of pressure, wind region, seven zone of pressure, wind band magnetic Item represents that seven magnetic stripes are from top to bottom arranged in order, first magnetic stripe (9) with equatorial low band, with subtropics height Second magnetic stripe (10) of zone of pressure, with the 3rd magnetic stripe (11) of subpolar depression belt, with polar region hyperbar band 4th magnetic stripe (12), with the 5th magnetic stripe (13) of trade-wind zone, with the six roots of sensation magnetic stripe (14) in westerlies and with east 7th magnetic stripe (15) of wind band.

2. a kind of Multifunctional demonstration based on earth rotation, revolution according to claim 1, it is characterised in that：Track (1) Inner ring long axis a focus on arrange a light source (2), the light source (2) be the LED light with rechargeable battery.

3. a kind of Multifunctional demonstration based on earth rotation, revolution according to claim 1 or claim 2, it is characterised in that：It represents The strand of equator weft and 24 warps (5) is steel wire or iron wire either magnetic plastic material strip or magnetic plastic material strip and hair The combination of optical plastic item.

4. a kind of Multifunctional demonstration based on earth rotation, revolution according to claim 3, it is characterised in that：First ring Stream circle (6), the second gyre (7) and the 3rd gyre (8) are magnetic plastics circulation circle.

5. according to a kind of Multifunctional demonstration based on earth rotation, revolution of claim 1,2 or 4, it is characterised in that：The A piece magnetic stripe (9), second magnetic stripe (10), the 3rd magnetic stripe (11), the 4th magnetic stripe (12), the 5th magnetic stripe (13), the 6th Root magnetic stripe (14) and the 7th magnetic stripe (15) are the combination of magnetic plastic material strip or magnetic plastic material strip and luminescent plastic article.

6. a kind of Multifunctional demonstration based on earth rotation, revolution according to claim 5, it is characterised in that：24 The corresponding warp of strand (5) is 15 ° of west longitude, 15 ° of east longitude, 30 ° of west longitude, 30 ° of east longitude, 45 ° of west longitude, 45 ° of east longitude, west longitude 60 °, 60 ° of east longitude, 75 ° of west longitude, 75 ° of east longitude, 90 ° of west longitude, 90 ° of east longitude, 105 ° of west longitude, 105 ° of east longitude, 120 ° of west longitude, east longitude 120 °, 135 ° of west longitude, 135 ° of east longitude, 150 ° of west longitude, 150 ° of east longitude, 165 ° of west longitude, 165 °, 0 ° and 180 ° warps of east longitude.

7. according to a kind of Multifunctional demonstration based on earth rotation, revolution of claim 1,2,4 or 6, it is characterised in that： Sphere (3) is assembled by the Southern Hemisphere (3-1) and the Northern Hemisphere (3-2), and headlamp (17), south half are equipped in the Northern Hemisphere (3-2) Fan blade (18-1) is disposed in ball (3-1).

8. a kind of Multifunctional demonstration based on earth rotation, revolution according to claim 7, it is characterised in that：The shifting Dynamic device (4) is trolley, and the mobile device (4) includes that the transmission mechanism of sphere rotation, the transmission mechanism installation can be driven On the car body of trolley, the transmission mechanism includes motor (4-2), three (4- of gear one (4-3), gear two (4-4) and gear 5)；Gear one (4-3) is installed, gear two (4-4) is mounted on the wheel shaft of car body, gear three on the output shaft of motor (4-2) Fixing axle (4-6) is installed, fixing axle (4-6) and the angle of horizontal plane are 23.5 °, are equipped in fixing axle (4-6) on (4-5) Sphere (3), gear one (4-3) are engaged with gear two (4-4), and gear two (4-4) is engaged with gear three (4-5).

9. a kind of Multifunctional demonstration based on earth rotation, revolution according to claim 8, it is characterised in that：Mobile dress Put (4) and further include the driving mechanism that can drive the moon (20) around the revolution of the earth, the driving mechanism include ring gear (16-1) and Gear four (16-2)；Gear four (16-2) is mounted in fixing axle (4-6), and ring gear (16-1) is rotated by connector and bearing On the frame body of mobile device (4), gear four (16-2) and ring gear (16-1) internal messing, the outer wall of ring gear (16-1) The moon (20) is installed.

10. a kind of Multifunctional demonstration based on earth rotation, revolution according to claim 9, it is characterised in that：Track (1) it is plastic rails；Annular shroud one (18) is provided on track (1), circular passage, light are offered on annular shroud one (18) Annular shroud two (19) is provided on inner ring surface where source (2), annular shroud one (18) covers mobile device (4), sphere (3), the moon (20) and driving mechanism stretch out annular shroud one (18), and light source (2) stretches out annular shroud two (19).