CN203397611U - Demonstration board for subsolar point regression motion - Google Patents
Demonstration board for subsolar point regression motion Download PDFInfo
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- CN203397611U CN203397611U CN201320541140.0U CN201320541140U CN203397611U CN 203397611 U CN203397611 U CN 203397611U CN 201320541140 U CN201320541140 U CN 201320541140U CN 203397611 U CN203397611 U CN 203397611U
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- earth
- signboard
- dianegative
- demonstration board
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Abstract
The utility model discloses a demonstration board for subsolar point regression motion. The demonstration board includes an earth schematic board assembly which is with a double-layer structure and an upper layer is transparent, a fixation shaft arranged at the center part of the earth schematic board assembly, and a sunlight schematic board assembly located between the two layers of the earth schematic board assembly and clamped with the fixation shaft. In the demonstration board, the earth schematic board assembly and the sunlight schematic board assembly are connected in a detachable manner by employing clamping connections for the fixation shaft and a clamper, so that the problem of big size of an educational tool is solved, and the demonstration board can be carried by a teacher and demonstrated in class conveniently. Meanwhile, the combination of the education tools is made more reasonable by employing the double-layer structure and transparent design of the earth schematic board assembly, and the demonstration board can be used for demonstrating a variety of examples in a geography class, which facilitates learning and understanding of the lighting situation of the earth for students, and increases learning pleasure.
Description
Technical field
The utility model relates to a kind of geography teaching appliance, specifically, relates to the dynamic demonstration of illumination pattern, mainly for the dynamic demonstration equipment of subsolar point recurrent mutation.
Background technology
In geography teaching in middle school, about earth illumination aspects, mostly adopt the static state diagram on textbook to impart knowledge to students at present, very not directly perceived for student, can not understand well the relevant content of courses, results of learning are poor.Chinese patent 201320066250.6 discloses a kind of earth illumination pattern dynamic demonstrator, the demonstration of earth illumination state while having solved to a certain extent geographical classroom teaching for two minutes solstices, more for convenience.But because the reasons such as its material, structure cause its overall volume larger, be not easy to carry, it has fixed the not inclination of locus of the earth in the design of handle from visual aspects, not too meet a day actual state for ground relative position, and its can only to two minutes solstices and between illumination demonstrate, cannot coordinate the actual example of multiple situation to demonstrate, classroom instruction dirigibility is poor.
Utility model content
In order to solve above-mentioned defect of the prior art, the utility model provides a kind of small volume and less weight, detachable and can demonstrate the subsolar point recurrent mutation demonstration board that multiple illumination state is convenient to classroom multiple example demonstration.
To achieve these goals, the technical solution adopted in the utility model is as follows:
Subsolar point recurrent mutation demonstration board, comprise and be the earth signboard assembly that double-decker Zhuan Qie upper strata is transparence, be arranged on the stationary shaft of earth signboard assembly center, between the bilayer of earth signboard assembly and with the sunray signboard assembly of stationary shaft clamping.
Further, described earth signboard assembly comprises square-shaped dianegative, the earth signboard that center and dianegative center are overlapping and rounded, the transparent panel that one end is connected with dianegative and shape matches, and be arranged on transparent panel and earth profile layer and longitude and latitude stratum reticulare that shape is mated with earth signboard, wherein, stationary shaft is positioned at earth signboard center and is all connected with transparent panel with dianegative.
Further, described sunray signboard assembly comprises for inserting between dianegative and transparent panel and the substrate of rectangular shape, be arranged at substrate one end for connecting and fixing the fastener of axle, be arranged at the hemisphere layer in daytime of close fastener one end on substrate, and be arranged on substrate for showing the sunray layer of solar light irradiation hemisphere in daytime, wherein, daytime, hemisphere layer was semicircle shape, the equal diameters of its diameter and earth signboard, and daytime hemisphere layer diametrical position overlap with the substrate side that is provided with fastener.
As preferably, described substrate is made by cardboard.Described dianegative and transparent panel are made by transparent plastic sheet.
Compared with prior art, the utlity model has following beneficial effect:
(1) the utility model utilizes the clamping of stationary shaft and fastener to make earth signboard assembly and the detachable connection of sunray signboard assembly, avoided the larger problem of teaching aid volume, extremely be convenient to teacher and carry convenient demonstration on He classroom, simultaneously by double-decker and the transparent design of earth signboard assembly, make the combination of teaching aid more reasonable, be more convenient for demonstrating the multiple example in geographical classroom, also be extremely convenient to student to the study of earth light conditions and understanding, have more enjoyment, there is substantive distinguishing features and progress, and the utility model is simple in structure, with low cost, easy to use, be applicable to applying.
(2) the utility model by sunray layer and daytime hemisphere layer integrate, by covering the mode of earth signboard, embody the earth situation that hemisphere is separated round the clock, and transparent panel and on longitude and latitude stratum reticulare also cover above-mentioned both show earth graticules, enable to demonstrate the multiple different content of courses vividly, teach through lively activities, as demonstrate position and the moving direction of two minutes solstices subsolar points; Demonstration polar day, the range size at polar night and change procedure thereof; Implication and the swing thereof of demonstration terminator; The solar direction of demonstration sunrise sunset; The regularity of distribution and the variation of demonstration day-night length; Demonstrate the regularity of distribution of global solar noon sun height etc.
Accompanying drawing explanation
Fig. 1 is the Facad structure schematic diagram of dianegative in the utility model.
Fig. 2 is the Facad structure schematic diagram of transparent panel in the utility model.
Fig. 3 is the side structure schematic diagram of earth signboard assembly in the utility model.
Fig. 4 is the structural representation of sunray signboard assembly in the utility model.
Fig. 5 is use constitutional diagram of the present utility model.
In above-mentioned accompanying drawing, the component names that Reference numeral is corresponding is as follows:
1-earth signboard assembly, 2-stationary shaft, 3-sunray signboard assembly; 11-dianegative, 12-earth signboard, 13-transparent panel, 14-earth profile layer, 15-longitude and latitude stratum reticulare; 31-substrate, 32-fastener, 33-hemisphere in daytime layer, 34-sunray layer.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, and embodiment of the present utility model includes but not limited to the following example.
Embodiment
As shown in Figures 1 to 5, this subsolar point recurrent mutation demonstration board, comprise and be the earth signboard assembly 1 that double-decker Zhuan Qie upper strata is transparence, be arranged on the stationary shaft 2 of earth signboard assembly center, between the bilayer of earth signboard assembly and with the sunray signboard assembly 3 of stationary shaft clamping.Its concrete structure is as follows:
Earth signboard assembly, comprise square-shaped dianegative 11, the earth signboard 12 that center and dianegative center are overlapping and rounded, the transparent panel 13 that one end is connected with dianegative and shape matches, and be arranged on transparent panel and earth profile layer 14 and longitude and latitude stratum reticulare 15 that shape is mated with earth signboard, wherein, stationary shaft is positioned at earth signboard center and is all connected with transparent panel with dianegative.Dianegative and transparent panel are made by transparent plastic sheet.
Sunray signboard assembly, comprise for inserting between dianegative and transparent panel and the substrate 31 of rectangular shape, be arranged at substrate one end for connecting and fixing the fastener 32 of axle, be arranged on substrate the hemisphere layer 33 in daytime near fastener one end, and be arranged on substrate for showing the sunray layer 34 of solar light irradiation hemisphere in daytime, wherein, daytime, hemisphere layer was semicircle shape, the equal diameters of its diameter and earth signboard, and daytime hemisphere layer diametrical position overlap with the substrate side that is provided with fastener.Substrate is made by cardboard.
Making of the present utility model is also very convenient, is specially:
Two large square chart boards such as use that transparent plastic sheet is made, are dianegative and transparent panel; Re-use non-transparent material and make the circular slab that diameter is slightly less than square chart edges of boards length, be earth signboard, represent earth night hemisphere, then earth signboard is fixed on dianegative, and the left end of dianegative and transparent panel is adhesively fixed, according to actual conditions, the edge of the left-half of the two all can be adhesively fixed, the bonding length of upper and lower transverse edge is slightly less than half of entire length, is convenient to determine the scope of activities of sunray signboard assembly; On transparent panel, brushing or stickup are all mated with circular slab shape and position again paint, China ink or annular paster, as earth profile layer, and on transparent panel, by earth graticules distribution situation, longitude and latitude stratum reticulare being set with identical material, this longitude and latitude stratum reticulare mainly comprises with equator, the north and south tropic, the parallel layer of north and south polar circle formation and the warp layer of several reasonable layouts; Finally at earth signboard circle centre position, stationary shaft is set, and all fixing with dianegative and transparent panel, complete the making of earth signboard assembly.
Use cardboard to make the substrate of rectangle, width is consistent with circular slab diameter, and length is chosen by actual conditions, should not long being not easy to carry, should not too shortly cannot normally demonstrate, position is given prominence at the left end of substrate middle part reserved simultaneously, and in transversal centerline position, opens a draw-in groove to form fastener; The left end of substrate arrange one semicircular daytime hemisphere layer, its diameter overlaps with substrate left hand edge, the residue position on substrate arranges the sunray layer of cross direction profiles, to represent the irradiation of sunray to hemisphere in daytime, with this, completes the making of sunray layer.
During use, sunray signboard assembly is inserted between earth signboard assembly two-layer, and fastener is stuck on stationary shaft, one hand-held earth signboard assembly tilts the earth's axis, keep the correct locus of the earth, the right hand is held sunray signboard assembly and is rotated up and down around stationary shaft, can demonstrate the recurrent mutation process of subsolar point.And the utility model can also demonstrate the other types example in geographical teaching, as demonstrate position and the moving direction of two minutes solstices subsolar points; Demonstration polar day, the range size at polar night and change procedure thereof; Implication and the swing thereof of demonstration terminator; The solar direction of demonstration sunrise sunset; The regularity of distribution and the variation of demonstration day-night length; Demonstrate the regularity of distribution of global solar noon sun height etc.Classroom Teaching is flexible.
According to above-described embodiment, just can realize well the utility model.
Claims (5)
1. subsolar point recurrent mutation demonstration board, it is characterized in that, comprise and be the earth signboard assembly (1) that double-decker Zhuan Qie upper strata is transparence, be arranged on the stationary shaft (2) of earth signboard assembly center, between the bilayer of earth signboard assembly and with the sunray signboard assembly (3) of stationary shaft clamping.
2. subsolar point recurrent mutation demonstration board according to claim 1, it is characterized in that, described earth signboard assembly (1) comprises square-shaped dianegative (11), the earth signboard (12) that center and dianegative center are overlapping and rounded, the transparent panel (13) that one end is connected with dianegative and shape matches, and be arranged on transparent panel and earth profile layer (14) and longitude and latitude stratum reticulare (15) that shape is mated with earth signboard, wherein, stationary shaft is positioned at earth signboard center and is all connected with transparent panel with dianegative.
3. subsolar point recurrent mutation demonstration board according to claim 2, it is characterized in that, described sunray signboard assembly (3) comprises for inserting between dianegative (11) and transparent panel (13) and the substrate (31) of rectangular shape, be arranged at substrate one end for connecting and fixing the fastener (32) of axle (2), be arranged at the hemisphere layer in daytime (33) of close fastener one end on substrate, and be arranged on substrate for showing the sunray layer (34) of solar light irradiation hemisphere in daytime, wherein, daytime, hemisphere layer was semicircle shape, the equal diameters of its diameter and earth signboard, and daytime, the diametrical position of hemisphere layer overlapped with the substrate side that is provided with fastener.
4. subsolar point recurrent mutation demonstration board according to claim 3, is characterized in that, described substrate is made by cardboard.
5. subsolar point recurrent mutation demonstration board according to claim 4, is characterized in that, described dianegative and transparent panel are made by transparent plastic sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320541140.0U CN203397611U (en) | 2013-09-02 | 2013-09-02 | Demonstration board for subsolar point regression motion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320541140.0U CN203397611U (en) | 2013-09-02 | 2013-09-02 | Demonstration board for subsolar point regression motion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203397611U true CN203397611U (en) | 2014-01-15 |
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ID=49909128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320541140.0U Expired - Fee Related CN203397611U (en) | 2013-09-02 | 2013-09-02 | Demonstration board for subsolar point regression motion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203397611U (en) |
-
2013
- 2013-09-02 CN CN201320541140.0U patent/CN203397611U/en not_active Expired - Fee Related
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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: 20140115 Termination date: 20140902 |
|
| EXPY | Termination of patent right or utility model |