CN203882542U - Earth twilight demonstrator teaching instrument - Google Patents
Earth twilight demonstrator teaching instrument Download PDFInfo
- Publication number
- CN203882542U CN203882542U CN201420222514.7U CN201420222514U CN203882542U CN 203882542 U CN203882542 U CN 203882542U CN 201420222514 U CN201420222514 U CN 201420222514U CN 203882542 U CN203882542 U CN 203882542U
- Authority
- CN
- China
- Prior art keywords
- azimuth
- earth
- twilight
- instrument
- demonstrator
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides an earth twilight demonstrator teaching instrument which comprises a terrestrial globe, a twilight demonstrator with two distinct hemispherical shells and a world time disc. A white and transparent right-half twilight demonstrator covers the right half of the terrestrial globe. A sunlight vertical incident point is marked at the right top of the right-half twilight demonstrator. A semicircular arc which starts from the upper top end of the right-half twilight demonstrator, passes through the sunlight vertical incident point and reaches the lower bottom end of the twilight demonstrator is printed, and a noon line mark is marked on the semicircular arc. A morning line mark is marked at the first half circle of the left end bottom circle of the right half twilight demonstrator, and a dusk line mark is marked at the second half circle of the left end bottom circuit of the twilight demonstrator. A summer solstice hole is arranged at the 23 degrees 26' at the upper part of the noon line, and a winter solstice hole is arranged at the 23 degrees 26' at the lower part of the noon line. According to the earth twilight demonstrator teaching instrument, the complex earth movement is simplified and visualized, the times of different time zones can be read, and a series of geographic knowledge of earth in motion is displayed. The earth twilight demonstrator teaching instrument has the advantages of simple structure, easy use, easy learning, easy understanding and strong practicability.
Description
Technical field
The utility model relates to a kind of teaching aid.
Background technology
When at present middle school student take lessons in geography, lack instruments used for education, only on reliable textbook, static figure and word understood, particularly indigestion especially when demonstration, zebra time, student's sun altitude.
Summary of the invention
The purpose of this utility model be exactly to provide a kind of make simple, cost is low, visual and understandable, the earth Instrument for surveying solar time and azimuth instruments used for education of solid image.
The technical solution of the utility model is achieved like this: a kind of earth Instrument for surveying solar time and azimuth instruments used for education, are characterized in: it comprises terrestrial globe, Instrument for surveying solar time and azimuth, is carved with the porose universal time disk 3 in center of 24 small time takings above; Terrestrial globe comprises the rotating earth 1, globe bracket 5, globe base 8; Instrument for surveying solar time and azimuth comprises the right side half Instrument for surveying solar time and azimuth 2 of the hemisphere shelly that a left side half Instrument for surveying solar time and azimuth of the hemisphere shelly of left half black, right half white transparent material are made, right half Instrument for surveying solar time and azimuth 2 covers on right one side of something of the earth 1, and a left side half Instrument for surveying solar time and azimuth that can conveniently take off covers on left one side of something of the earth 1; The upper axle of globe bracket is worn the upper hole of inserting the earth behind right half Instrument for surveying solar time and azimuth 2 upper top holes again through after the center pit of universal time disk 3; The right top of right half Instrument for surveying solar time and azimuth 2 indicates subsolar point mark 6, from right half Instrument for surveying solar time and azimuth 2, top is printed on semicircle camber line through subsolar point to the lower bottom of right half Instrument for surveying solar time and azimuth 2, and be marked with noon-mark mark 12 at this semicircle camber line, at the bottom of the left end of right half Instrument for surveying solar time and azimuth 2, the front semi-circumference of circumference is marked with line mark 9 in morning, at the bottom of the left end of right half Instrument for surveying solar time and azimuth 2, the later half circumference of circumference is marked with confused line mark 13, on the noon-mark mark 12 of right half Instrument for surveying solar time and azimuth 2, according to the number of degrees at centre of sphere angle, indicates successively 15 from top to bottom
o, 30
o, 45
o, 60
o, 75
o, 90
o, 75
o, 60
o, 45
o, 30
o, 15
omark, the subsolar point of take on the spherical outside surface of right half Instrument for surveying solar time and azimuth 2 mark point is the center of circle, indicates respectively 15
o, 30
o, 45
o, 60
o, 75
ofive circles of mark point, at noon 23 of line marking line top
o26 ' locates to have the hole 4 in the Summer Solstice of axle on globe support insertedly, and at noon 23 of line marking line bottom
o26 ' locates to have the hole 7 in Winter Solstice of globe support lower shaft insertedly, and line mark upper and lower end parts has half slot at noon; 6 mark aligning lines in morning on universal time disk 3 mark 9, and 12 marks on universal time disk 3 are aimed at noon-mark mark 12, and 18 on universal time disk 3 mark the confused lines mark 13 of aligning.
The utility model can simulate the earth that shows in motion variation, the four seasons of morning and evening, sun altitude change and zebra time etc. phenomenon.On the universal time disk that the warp marking on the globe of base area is aimed at, time-labeling line just can be read the time of different time zone, the Instrument for surveying solar time and azimuth being comprised of two clearly more demarcated hemisphere shellies of black and white covers earth surface, the hemisphere area that earth surface is covered by the transparent right side half Instrument for surveying solar time and azimuth of white is daytime, the other hemisphere area being covered by a left side half Instrument for surveying solar time and azimuth of black is night, and left half Instrument for surveying solar time and azimuth can easily take off to rotate the earth; The area that the front demifacet of right half Instrument for surveying solar time and azimuth covers is the morning, and the area that rear demifacet covers is afternoon, and study that can be very vivid is to a lot of geographical knowledges, simple in structure, use easily, and easily-learned easily mastered, practical.
Accompanying drawing explanation
Fig. 1 is the front elevational schematic of the utility model when taking off left half Instrument for surveying solar time and azimuth.
Fig. 2 is the amplification plan view of universal time disk 3 in Fig. 1.
Fig. 3 is that schematic diagram is looked on the right side of right half Instrument for surveying solar time and azimuth 2 in Fig. 1.
In figure: 1, the earth; 2, right half Instrument for surveying solar time and azimuth; 3, universal time disk; 4, the Summer Solstice hole; 5, globe bracket; 6, subsolar point mark; 7, Winter Solstice hole; 8, globe base; 9, morning, line marked; 10, semicircle groove; 11,15
omark; 12, noon-mark mark; 13, confused line mark; 14,45
omark; 15,30
omark; 16,75
omark; 17,60
omark.
Embodiment
From Fig. 1, Fig. 2, Fig. 3: the utility model comprise terrestrial globe, Instrument for surveying solar time and azimuth, above be carved with the porose universal time disk 3 in center of 24 small time takings; Terrestrial globe comprises the rotating earth 1, globe bracket 5, globe base 8; Instrument for surveying solar time and azimuth comprises the right side half Instrument for surveying solar time and azimuth 2 of the hemisphere shelly that a left side half Instrument for surveying solar time and azimuth of the hemisphere shelly of left half black, right half white transparent material are made, right half Instrument for surveying solar time and azimuth 2 covers on right one side of something of the earth 1, and a left side half Instrument for surveying solar time and azimuth that can conveniently take off covers on left one side of something of the earth 1; The upper axle of globe bracket is worn the upper hole of inserting the earth behind right half Instrument for surveying solar time and azimuth 2 upper top holes again through after the center pit of universal time disk 3; The right top of right half Instrument for surveying solar time and azimuth 2 indicates subsolar point mark 6, from right half Instrument for surveying solar time and azimuth 2, top is printed on semicircle camber line through subsolar point to the lower bottom of right half Instrument for surveying solar time and azimuth 2, and be marked with noon-mark mark 12 at this semicircle camber line, at the bottom of the left end of right half Instrument for surveying solar time and azimuth 2, the front semi-circumference of circumference is marked with line mark 9 in morning, at the bottom of the left end of right half Instrument for surveying solar time and azimuth 2, the later half circumference of circumference is marked with confused line mark 13, on the noon-mark mark 12 of right half Instrument for surveying solar time and azimuth 2, according to the number of degrees at centre of sphere angle, indicates successively 15 from top to bottom
o, 30
o, 45
o, 60
o, 75
o, 90
o, 75
o, 60
o, 45
o, 30
o, 15
omark, the subsolar point of take on the spherical outside surface of right half Instrument for surveying solar time and azimuth 2 mark point is the center of circle, indicates respectively 15
o, 30
o, 45
o, 60
o, 75
ofive circles of mark point, at noon 23 of line marking line top
o26 ' locates to have the hole 4 in the Summer Solstice of axle on globe support insertedly, and at noon 23 of line marking line bottom
o26 ' locates to have the hole 7 in Winter Solstice of globe support lower shaft insertedly, and line mark upper and lower end parts has half slot at noon; 6 mark aligning lines in morning on universal time disk 3 mark 9, and 12 marks on universal time disk 3 are aimed at noon-mark mark 12, and 18 on universal time disk 3 mark the confused lines mark 13 of aligning.
The utility model can be simulated the earth that shows in motion in morning and evening, the variation of sun altitude, four seasons replacing and zebra time etc., on the universal time disk that the warp marking on the globe of base area is aimed at, time-labeling line just can be read the time of different time zone, the Instrument for surveying solar time and azimuth being comprised of two clearly more demarcated hemisphere shellies of black and white covers earth surface, the hemisphere area that earth surface is covered by the transparent right side half Instrument for surveying solar time and azimuth of white is daytime, the other hemisphere area being covered by a left side half Instrument for surveying solar time and azimuth of black is night, left half Instrument for surveying solar time and azimuth can easily take off to rotate and show the earth, conventionally unload black left half Instrument for surveying solar time and azimuth, the area that the front demifacet of right half Instrument for surveying solar time and azimuth covers is the morning, and the area that rear demifacet covers is afternoon, and study that can be very vivid is to a lot of geographical knowledges.During the Autumnal Equinox in the Spring Equinox, subsolar point is to aim at equatorial line, and the sun altitude in equator is 90
o, the upper lower shaft of globe bracket is fixed through the semicircle groove up and down of right half Instrument for surveying solar time and azimuth respectively; During the Summer Solstice, subsolar point is to aim at the tropic of Cancer, and the upper axle that the borehole jack in the Summer Solstice of right half Instrument for surveying solar time and azimuth is entered to globe bracket is fixing, and now visible: the daytime in the Northern Hemisphere is longer than night, the daytime in the Southern Hemisphere is shorter than night; During Winter Solstice, subsolar point is to aim at the tropic of Capricorn, and the lower shaft that the borehole jack in Winter Solstice of right half Instrument for surveying solar time and azimuth is entered to globe bracket is fixing, and now visible: the daytime in the Northern Hemisphere is shorter than night, the daytime in the Southern Hemisphere is longer than night.
Claims (1)
1. an earth Instrument for surveying solar time and azimuth instruments used for education, is characterized in that: it comprises terrestrial globe, Instrument for surveying solar time and azimuth, is carved with the porose universal time disk (3) in center of 24 small time takings above; Terrestrial globe comprises the rotating earth (1), globe bracket (5), globe base (8); Instrument for surveying solar time and azimuth comprises the right side half Instrument for surveying solar time and azimuth (2) of the hemisphere shelly that a left side half Instrument for surveying solar time and azimuth of the hemisphere shelly of left half black, right half white transparent material are made, right half Instrument for surveying solar time and azimuth covers on right one side of something of the earth, and a left side half Instrument for surveying solar time and azimuth that can conveniently take off covers on left one side of something of the earth; The upper axle of globe bracket is worn the upper hole of inserting the earth behind right half Instrument for surveying solar time and azimuth upper top hole again through after the center pit of universal time disk; At noon 23 of line marking line top
o26 ' locates to have the hole in the Summer Solstice (4) of axle on globe support insertedly, and at noon 23 of line marking line bottom
o26 ' locates to have the hole in Winter Solstice (7) of globe support lower shaft insertedly, and line mark upper and lower end parts has half slot at noon.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410183591.0A CN103927932A (en) | 2014-05-04 | 2014-05-04 | Globe twilight instrument teaching apparatus |
| CN201420222514.7U CN203882542U (en) | 2014-05-04 | 2014-05-04 | Earth twilight demonstrator teaching instrument |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410183591.0A CN103927932A (en) | 2014-05-04 | 2014-05-04 | Globe twilight instrument teaching apparatus |
| CN201420222514.7U CN203882542U (en) | 2014-05-04 | 2014-05-04 | Earth twilight demonstrator teaching instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203882542U true CN203882542U (en) | 2014-10-15 |
Family
ID=53500966
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420222514.7U Expired - Fee Related CN203882542U (en) | 2014-05-04 | 2014-05-04 | Earth twilight demonstrator teaching instrument |
| CN201410183591.0A Pending CN103927932A (en) | 2014-05-04 | 2014-05-04 | Globe twilight instrument teaching apparatus |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410183591.0A Pending CN103927932A (en) | 2014-05-04 | 2014-05-04 | Globe twilight instrument teaching apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN203882542U (en) |
-
2014
- 2014-05-04 CN CN201420222514.7U patent/CN203882542U/en not_active Expired - Fee Related
- 2014-05-04 CN CN201410183591.0A patent/CN103927932A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN103927932A (en) | 2014-07-16 |
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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 |
Granted publication date: 20141015 Termination date: 20160504 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |