CN203882540U - Demonstrator for track of sub-satellite point of earth satellite - Google Patents
Demonstrator for track of sub-satellite point of earth satellite Download PDFInfo
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- CN203882540U CN203882540U CN201420167275.XU CN201420167275U CN203882540U CN 203882540 U CN203882540 U CN 203882540U CN 201420167275 U CN201420167275 U CN 201420167275U CN 203882540 U CN203882540 U CN 203882540U
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Abstract
The utility model discloses a demonstrator for the track of the sub-satellite point of an earth satellite. The demonstrator comprises a pedestal and a tellurion self-rotating shaft vertically connected to the pedestal, a tellurion body is arranged on the tellurion self-rotating shaft, an equator planar model which is provided with scales and the cross section of which is of an annular structure is arranged on the periphery of an equator plane of the tellurion body, the equator planar model is arranged in the horizontal direction, the demonstrator also comprises a satellite orbit model which is provided with scales and the cross section of which is of an arc-shaped structure, the satellite orbit model is fixedly connected with the equator planar model, an included angle is formed between the satellite orbit model and the equator planar model, the center of the circle of the satellite orbit model is coincident with the centre of the sphere of the tellurion body, the satellite orbit model is provided with a satellite model which can slide on the satellite orbit model, the satellite model is connected with a satellite pointer, and the tellurion body is provided with a tellurion pointer. The demonstrator for the track of the sub-satellite point of the earth satellite is advantaged in that the running track of the sub-satellite point of the earth satellite on the earth surface can be simulated, and the demonstrator is simple in structure and simple and easy to use, and is visual and intuitive, and is helpful for students to understand.
Description
Technical field
The utility model relates to a kind of demonstration teaching aid, specifically a kind ofly can demonstrate the earth satellite substar earth satellite sub-satellite track demonstrator of running orbit at the earth's surface.
Background technology
Earth satellite claims substar at the subpoint (or the intersection point on satellite and the earth's core line and ground) on ground, because satellite motion and earth rotation move substar at the earth's surface, forms sub-satellite track.In the courses such as satellite communication, need to lecture the relevant knowledge that satellite orbit is learned, comprise the sub-satellite point mobile content that forms track at the earth's surface.For research application, using on computers STK(Satellite Tool Kit) software can draw the track of sub-satellite point on mercator's projection's map (this map for two dimension), more the STK software of highest version can also be drawn the 3-D view of satellite transit, give lessons in process in theory, not necessarily possess the hardware condition of operation STK software for the computing machine of imparting knowledge to students, moreover this software is time-consuming takes a lot of work for part lecture contents is installed specially.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of easy-to-use, visual in image earth satellite sub-satellite track demonstrator simple in structure, easy.
In order to solve the problems of the technologies described above, earth satellite sub-satellite track demonstrator of the present utility model, comprise base and be vertically connected on the terrestrial globe axis of rotation on base, the terrestrial globe body that can rotate around the terrestrial globe axis of rotation is installed on the terrestrial globe axis of rotation, terrestrial globe body equatorial plane periphery is provided with the equatorial plane model that the cross sectional shape of scale is loop configuration, equatorial plane model is in horizontal direction, the satellite orbit model that also to comprise with graduated cross sectional shape be arcuate structure, satellite orbit model is fixedly connected with equatorial plane model and has angle between the two, the center of circle of described satellite orbit model overlaps with the centre of sphere of terrestrial globe body, in satellite orbit model, be provided with the dummy satellite that can slide in satellite orbit model, on dummy satellite, be connected with the satellite pointer that points to terrestrial globe body center, on terrestrial globe body, be provided with the terrestrial globe pointer that points to equatorial plane model.
On described base, be provided with the support for supporting equatorial plane model.
Described support is set to more than three.
The scale of described equatorial plane model is arranged on the inner periphery of equatorial plane model, and the meter full scale of described equatorial plane model is that 0 degree is to 360 degree.
The angle of described satellite orbit model and equatorial plane model is 30 degree to 60 degree.
The scale of described satellite orbit model is arranged on the inner peripheral surface of satellite orbit model, and the meter full scale of described satellite orbit model is that 0 degree is to 360 degree.
Described dummy satellite is connected with removably with satellite orbit model.
The utility model has the advantage of:
Due to the demonstrator being formed by terrestrial globe, equatorial plane model, dummy satellite, satellite orbit model arranging, on equatorial plane model, there is number of degrees mark, terrestrial globe has the pointer that points to equatorial plane model, is convenient to determine the angle of earth globe rotation; Dummy satellite can slide in orbit, has number of degrees mark in satellite orbit model, is convenient to the angle of determining that dummy satellite rotates around terrestrial globe; Dummy satellite has the pointer that points to terrestrial globe center, is convenient on terrestrial globe, retouch out substar position, makes it can simulate the track that earth sub-satellite point moves at the earth's surface, and it is simple in structure, easy to be easy-to-use, visual in image, and contributes to student to understand.
Brief description of the drawings
Fig. 1 is the main TV structure schematic diagram of the utility model earth satellite sub-satellite track demonstrator;
Fig. 2 is the plan structure schematic diagram of the utility model earth satellite sub-satellite track demonstrator;
Fig. 3 is the contour structure schematic diagram of the utility model earth satellite sub-satellite track demonstrator.
Embodiment
Below in conjunction with the drawings and specific embodiments, earth satellite sub-satellite track demonstrator of the present utility model is described in further detail.
As shown in the figure, earth satellite sub-satellite track demonstrator of the present utility model, comprise base 3 and be vertically connected on the terrestrial globe axis of rotation 2 on base, the terrestrial globe body 1 that can rotate around the terrestrial globe axis of rotation is installed on the terrestrial globe axis of rotation 2, terrestrial globe body 1 is positioned at directly over base 3, terrestrial globe body 1 equatorial plane periphery is provided with the equatorial plane model 5 that the cross sectional shape of scale is loop configuration, on base 3, be provided with the support 4 for supporting equatorial plane model, support 4 is set to more than three, support 4 is fixedly connected with equatorial plane model with base 3, the scale of equatorial plane model 5 is arranged on the inner periphery of equatorial plane model, the meter full scale of said equatorial plane model 5 is that 0 degree is to 360 degree, equatorial plane model 5 is in horizontal direction, make equatorial plane model 5 be positioned at base 3 directly over, the center of circle of areal model 5 overlaps with the centre of sphere of terrestrial globe body 1, the satellite orbit model 7 that also to comprise with graduated cross sectional shape be arcuate structure, the scale of satellite orbit model 7 is arranged on the inner peripheral surface of satellite orbit model, the meter full scale of said satellite orbit model 7 is that 0 degree is to 360 degree, satellite orbit model 7 be fixedly connected with equatorial plane model 5 and satellite orbit model 7 place planes and equatorial plane model 5 between there is angle, satellite orbit model 7 is 30 degree to 60 degree with the angle of equatorial plane model 5, the center of circle of satellite orbit model 7 overlaps with the centre of sphere of terrestrial globe body 1, in satellite orbit model 7, be provided with the dummy satellite 6 that can slide in satellite orbit model, dummy satellite 6 is connected with removably with satellite orbit model 7, on dummy satellite 6, be connected with the satellite pointer 8 that points to terrestrial globe body center, on terrestrial globe body 1, be provided with the terrestrial globe pointer 9 that points to equatorial plane model.
using method is as follows:
1, geostationary orbit (GSO) Track of Sub-Satellite Point
The a certain fixing number of degrees of terrestrial globe rotation (as 5 degree), the simultaneously dummy satellite identical number of degrees (as 5 degree) that slide in orbit, use pen is at the globe surface described point of satellite pointed, so repeat, until terrestrial globe is from circling, institute's described point line can be obtained to the figure of eight pattern of geo-synchronous orbit satellite sub-satellite track.
2, the cycle is the Track of Sub-Satellite Point of 12 hours
The a certain fixing number of degrees of terrestrial globe rotation (as 5 degree), simultaneously dummy satellite these fixing number of degrees of twice (as 10 degree) that slide in orbit, use pen is at the globe surface described point of satellite pointed, so repeat, until terrestrial globe is from circling, it is the Track of Sub-Satellite Point of 12 hours that institute's described point line can be obtained to the cycle.
Near (note: dummy satellite slides into equatorial plane model time, because affecting it, equatorial plane model continues to slide, dummy satellite can be unloaded from track, after crossing the line areal model, reinstall in orbit, thereby continue the sliding process of whole circumference.）
Claims (7)
1. an earth satellite sub-satellite track demonstrator, comprise base (3) and be vertically connected on the terrestrial globe axis of rotation (2) on base, the terrestrial globe body (1) that can rotate around the terrestrial globe axis of rotation is installed on the terrestrial globe axis of rotation (2), it is characterized in that: described terrestrial globe body (1) equatorial plane periphery is provided with the equatorial plane model (5) that the cross sectional shape of scale is loop configuration, described equatorial plane model (5) is in horizontal direction, the satellite orbit model (7) that also to comprise with graduated cross sectional shape be arcuate structure, described satellite orbit model (7) is fixedly connected with equatorial plane model (5) and has angle between the two, the center of circle of described satellite orbit model (7) overlaps with the centre of sphere of terrestrial globe body (1), in described satellite orbit model (7), be provided with the dummy satellite (6) that can slide in satellite orbit model, on described dummy satellite (6), be connected with the satellite pointer (8) that points to terrestrial globe body center, on described terrestrial globe body (1), be provided with the terrestrial globe pointer (9) that points to equatorial plane model.
2. according to earth satellite sub-satellite track demonstrator claimed in claim 1, it is characterized in that: on described base (3), be provided with the support (4) for supporting equatorial plane model.
3. according to earth satellite sub-satellite track demonstrator claimed in claim 2, it is characterized in that: described support (4) is set to more than three.
4. according to earth satellite sub-satellite track demonstrator claimed in claim 1, it is characterized in that: the scale of described equatorial plane model (5) is arranged on the inner periphery of equatorial plane model, the meter full scale of described equatorial plane model (5) is that 0 degree is to 360 degree.
5. according to earth satellite sub-satellite track demonstrator claimed in claim 1, it is characterized in that: described satellite orbit model (7) is 30 degree to 60 degree with the angle of equatorial plane model (5).
6. according to earth satellite sub-satellite track demonstrator claimed in claim 1, it is characterized in that: the scale of described satellite orbit model (7) is arranged on the inner peripheral surface of satellite orbit model, the meter full scale of described satellite orbit model (7) is that 0 degree is to 360 degree.
7. according to earth satellite sub-satellite track demonstrator claimed in claim 1, it is characterized in that: described dummy satellite (6) is connected with removably with satellite orbit model (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420167275.XU CN203882540U (en) | 2014-04-08 | 2014-04-08 | Demonstrator for track of sub-satellite point of earth satellite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420167275.XU CN203882540U (en) | 2014-04-08 | 2014-04-08 | Demonstrator for track of sub-satellite point of earth satellite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203882540U true CN203882540U (en) | 2014-10-15 |
Family
ID=51683016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420167275.XU Expired - Fee Related CN203882540U (en) | 2014-04-08 | 2014-04-08 | Demonstrator for track of sub-satellite point of earth satellite |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203882540U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104835401A (en) * | 2015-05-09 | 2015-08-12 | 佛山市三水区希望火炬教育科技有限公司 | Satellite poaching gripping arm device specialized for education of national defense science literacy of teenager |
| CN105931562A (en) * | 2016-06-22 | 2016-09-07 | 王舒琴 | Teaching aid for demonstrating automatic rotation of various artificial satellites and use method of teaching aid |
| CN110060552A (en) * | 2019-03-26 | 2019-07-26 | 南京航空航天大学 | A kind of satellite constellation track physical simulation experiment platform |
| CN110161879A (en) * | 2019-05-17 | 2019-08-23 | 南京航空航天大学 | A kind of semi physical experiment simulation platform of satellite in orbit |
-
2014
- 2014-04-08 CN CN201420167275.XU patent/CN203882540U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104835401A (en) * | 2015-05-09 | 2015-08-12 | 佛山市三水区希望火炬教育科技有限公司 | Satellite poaching gripping arm device specialized for education of national defense science literacy of teenager |
| CN105931562A (en) * | 2016-06-22 | 2016-09-07 | 王舒琴 | Teaching aid for demonstrating automatic rotation of various artificial satellites and use method of teaching aid |
| CN110060552A (en) * | 2019-03-26 | 2019-07-26 | 南京航空航天大学 | A kind of satellite constellation track physical simulation experiment platform |
| CN110060552B (en) * | 2019-03-26 | 2021-07-20 | 南京航空航天大学 | Satellite constellation orbit physical simulation experiment platform |
| CN110161879A (en) * | 2019-05-17 | 2019-08-23 | 南京航空航天大学 | A kind of semi physical experiment simulation platform of satellite in orbit |
| CN110161879B (en) * | 2019-05-17 | 2021-04-20 | 南京航空航天大学 | Semi-physical experiment simulation platform for in-orbit operation of satellite |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 Termination date: 20160408 |