CN109686223B - Simulation comparing device for sun day and sun day - Google Patents
Simulation comparing device for sun day and sun day Download PDFInfo
- Publication number
- CN109686223B CN109686223B CN201910106462.4A CN201910106462A CN109686223B CN 109686223 B CN109686223 B CN 109686223B CN 201910106462 A CN201910106462 A CN 201910106462A CN 109686223 B CN109686223 B CN 109686223B
- Authority
- CN
- China
- Prior art keywords
- shaped
- fixed plate
- arc
- hole
- earth
- 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.)
- Active
Links
- 238000004088 simulation Methods 0.000 title claims abstract description 10
- 230000033001 locomotion Effects 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B27/00—Planetaria; Globes
- G09B27/02—Tellurions; Orreries
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Astronomy & Astrophysics (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Instructional Devices (AREA)
Abstract
The invention relates to a simulation comparison device for sun days and sun days. Comprises a fixed plate, and a fixed star movement mechanism, a sun mechanism and an earth movement mechanism are arranged on the fixed plate from top to bottom. The application has simple structure, can simulate the rotation and revolution of the earth in an image, the distinction between sun days and sun days is known.
Description
Technical Field
The invention relates to a teaching tool, in particular to a simulation comparison device for sun days and sun days.
Background
Sun days and sun days are mainly due to differences in the chosen references. The sun day is the time difference when a certain point on the earth is opposite to the sun twice, and the time is exactly 24 hours per day. And sidereal day is the time difference when a point on the earth is twice against a distant sidereal.
At present, in the lessons of the first chapter, namely the third section of the first chapter, namely the 'movement of the earth', the teaching materials for the geography in the high school of the human teaching version firstly have extremely concise teaching on the sun day and the sun day, and only a small section of characters are used for introducing concepts in the teaching materials, and proper illustration is not matched, so that certain difficulties are brought to the teaching of teachers and the understanding of students. Secondly, regarding sun days and sun days, the sun days and the sun days belong to space categories, cannot be seen and touched, are relatively abstract, and require students to have good space thinking. Third, in the teaching activities of the current earth movements, the lack of a relevant teaching aid for assisting teachers in teaching also increases the difficulty of teaching teachers and the difficulty of understanding students to a certain extent. "
There is an urgent need for a related teaching aid applicable to teaching when teaching "earth's motion".
Disclosure of Invention
The invention aims to provide a simulation comparison device for sun days and sun days, which not only can vividly simulate the rotation and revolution of the earth, but also can compare the sun days with the sun days, thereby being beneficial to students to understand the sun days and the sun days more vividly and accurately.
The technical scheme of the invention is as follows:
the sun day and sun day simulation comparison device comprises a fixed plate, wherein a sun moving mechanism, a sun mechanism and an earth moving mechanism are arranged on the fixed plate from top to bottom, a rotating frame is arranged at the rear side of the fixed plate, the sun moving mechanism comprises a strip-shaped through hole formed in the upper part of the fixed plate, a constant star disc is arranged on the strip-shaped through hole at the front side of the fixed plate, a convex edge is arranged on the periphery of the strip-shaped through hole at the rear side of the fixed plate, a sliding block is arranged in a strip-shaped groove formed by encircling the convex edge, the front of the sliding block penetrates through the groove to be connected with the star disc, the lower end of the sliding block is connected with a sun moving connecting rod, and a vertical strip-shaped hole is formed in the middle of the sun moving connecting rod;
the earth movement mechanism comprises an arc-shaped through hole formed in the lower portion of a fixed plate, an earth disc is arranged on the arc-shaped through hole at the front side of the fixed plate, an arc-shaped convex edge with the same curvature as the arc-shaped through hole is arranged below the arc-shaped through hole at the rear side of the fixed plate, the circle centers of the arc-shaped through hole and the arc-shaped convex edge are the same, the upper surface of the arc-shaped convex edge is tooth-shaped, an earth rotation gear is arranged at the position, opposite to the earth disc, of the rear side of the fixed plate, a connecting rod is arranged at the center of the earth rotation gear, the connecting rod penetrates through the arc-shaped through hole to be connected with the earth disc, and the earth rotation gear is meshed with teeth on the arc-shaped convex edge;
the solar mechanism comprises a solar disk, the solar disk is arranged below a strip-shaped through hole of a fixed plate, the solar disk is arranged at the center of an arc-shaped through hole and an arc-shaped convex edge, a low-speed rotating motor is arranged at the rear side of the fixed plate and opposite to the position of the solar disk, a motor fixing frame is arranged at the outer side of the low-speed rotating motor and is connected to the fixed plate through bolts, the upper end of the rotating frame is arranged between the low-speed rotating motor and the fixed plate, the lower end of the rotating frame is arranged between an earth rotating gear and the fixed plate, the rear side of the upper end of the rotating frame is connected with an output shaft of the low-speed rotating motor in an interference fit manner, a shaft is arranged at the front side of the upper end of the rotating frame, the shaft penetrates through the fixed plate and is connected with the solar disk, a round hole is arranged at the lower end of the rotating frame, a connecting rod of the earth rotating gear penetrates through the round hole and the arc-shaped through hole, a shifting column is arranged at the middle position of the rotating frame and is inserted into the strip-shaped hole in the middle of a star moving connecting rod.
The transmission ratio of the arc-shaped convex edges on the fixed plate to the earth rotation gear is 1:8.
the beneficial effects of the invention are as follows:
the application has simple structure, can simulate the rotation and revolution of the earth in an image, the distinction between sun days and sun days is known.
The teaching device can vividly simulate the rotation and revolution of the earth, compare sun days with sun days, promote the combination of specific perception and abstract thinking of students to a greater extent, reduce the difficulty of the students in mastering the abstract concept, help the students to form a clear concept, develop the observation capability and thinking capability of the students, and improve the learning interest and enthusiasm of the students.
Drawings
Fig. 1 is a perspective view of the present application.
Fig. 2 is a front view of the present application.
Fig. 3 is a rear side structural view of the present application.
Fig. 4 is an exploded view of the present application.
Detailed Description
In order to solve the defects, the inventor of the application creates the teaching aid.
The present application is described in detail below with reference to the attached drawing figures:
the sun day is the time interval of two consecutive sun facing at a certain place on the earth, and the period length is divided into 24 equal parts in ancient times, and each equal part is 1 hour, namely one sun day is 24 hours. The sun is beneficial to people to arrange life according to sunrise and sunset. This period actually includes angular deviation caused by revolution of the earth, which actually rotates about 360 degrees for 59 minutes, and is not a true rotation period.
The sidereal day is the time interval when a certain point on the earth continuously faces the distant another sidereal sun twice, so that the period excludes the influence of the revolution of the earth and is a real rotation period.
The sun day is shorter than the sun day by about 23 hours and 56 minutes and 4 seconds. The star-day is mainly applied to astronomical observation.
The sun day and sun day simulation comparison device comprises a fixed plate 1, wherein a sun movement mechanism 2, a sun mechanism 3 and an earth movement mechanism 4 are arranged on the fixed plate 1 from top to bottom, a rotating frame 5 is arranged on the rear side of the fixed plate 1, the sun movement mechanism 2 comprises a strip-shaped through hole 6 which is formed in the upper portion of the fixed plate 1, a constant star disk 7 is arranged on the strip-shaped through hole 6 on the front side of the fixed plate 1, a convex rib 8 is arranged on the periphery of the strip-shaped through hole on the rear side of the fixed plate 1, a sliding block 10 is arranged in a strip-shaped groove 9 which is surrounded by the convex rib 8, the front end of the sliding block 10 penetrates through the groove 9 to be connected with the sun disk 7, a connecting column 111 can be arranged in front of the sliding block 10, and the connecting column 111 is connected with the sun disk 7. The lower end of the sliding block 10 is connected with a fixed star moving connecting rod 11, and a vertical strip-shaped hole 12 is arranged in the middle of the fixed star moving connecting rod 11.
The earth motion mechanism 3 comprises an arc-shaped through hole 13 which is arranged at the lower part of the fixed plate 1, an earth disc 14 is arranged on the arc-shaped through hole at the front side of the fixed plate 1, an arc-shaped convex rib 15 is arranged below the side of the arc-shaped through hole at the rear side of the fixed plate 1, the curvature of the arc-shaped convex rib 15 is the same as that of the arc-shaped through hole 13, the upper surface of the arc-shaped convex rib 15 is tooth-shaped and can be saw tooth-shaped or arc-shaped teeth, an earth rotation gear 16 (can be a common gear or arc-shaped gear) is arranged at the position, opposite to the earth disc, of the rear side of the fixed plate 1, a connecting rod 17 is arranged at the center of the earth rotation gear 16, the connecting rod 17 penetrates through the arc-shaped through hole to be connected with the earth disc, and the earth rotation gear 17 is meshed with the teeth on the arc-shaped convex rib 15.
The sun mechanism 4 comprises a sun disc 18, wherein the sun disc 18 is arranged below the strip-shaped through hole of the fixed plate 1, and the sun disc 18 is preferably arranged at the center of the arc-shaped through hole 13, so that the earth disc rotates around the sun disc. The rear side of the fixed plate 1 is provided with a low-speed rotating motor 19 opposite to the sun disc, the outer side of the low-speed rotating motor 19 is provided with a motor fixing frame 20, the motor 19 is fixed on the fixed plate 1 through the motor fixing frame 20, and the motor fixing frame is connected to the fixed plate 1 through bolts.
The upper end of the rotating frame 5 is arranged between the low-speed rotating motor 19 and the fixed plate 1, and the lower end of the rotating frame 5 is arranged between the earth rotating gear 16 and the fixed plate 1. The rear side of the upper end of the rotating frame 5 is in interference fit connection with the output shaft of the low-speed rotating motor, a cylindrical groove 21 is optionally arranged on the rear side of the rotating frame 5, and the output shaft 22 of the low-speed rotating motor is in interference fit with the cylindrical groove 21. The front side of the rotating frame 5 is provided with a shaft 23, the shaft 23 can be connected with the rotating frame in a welding mode, the shaft passes through the fixed plate 1 and is connected with the sun disc 18, the lower end of the rotating frame is provided with a round hole 24, the connecting rod 17 of the earth rotating gear 16 passes through the round hole 24 and the arc-shaped through hole 13 and is connected with the earth disc 14, a shifting column 25 is arranged in the middle of the rotating frame 5, and the shifting column 25 is inserted into the strip-shaped hole 12 in the middle of the sun moving connecting rod 11.
Optimally, the transmission ratio of the arc-shaped convex edge 15 on the fixed plate to the earth rotation gear 16 is 1:8.
the simulation comparison device has a simple structure, and can simulate earth rotation and revolution in an image manner to know the difference between sun days and sun days.
The using process comprises the following steps:
the star plate in the simulation comparison device represents remote star, the sun plate represents sun, and the earth plate represents earth.
The low-speed driving motor drives the rotating frame to rotate, the rotating frame rotates to drive the earth rotating gear to rotate, and the earth rotating gear moves on the arc-shaped convex edges to form revolution of the earth around the sun. The earth rotation gear is meshed with the teeth on the arc convex edges, so that the earth rotation gear rotates to drive the earth disk to rotate to form the rotation of the earth. When the rotating frame is driven by the low-speed driving motor to rotate, the shifting column is inserted into the strip-shaped hole in the middle of the fixed star movement connecting rod, and when the rotating frame rotates, the shifting column drives the fixed star movement connecting rod to move, and the fixed star movement connecting rod drives the fixed star disc to move left and right, so that far fixed star light is represented to direct the earth all the time. The teaching aid can better enable students to understand the difference between sun days and sun days.
Claims (1)
1. The simulation comparison device for sun days and sun days is characterized in that: the fixed plate is provided with a fixed star movement mechanism, a sun mechanism and an earth movement mechanism from top to bottom, the rear side of the fixed plate is provided with a rotating frame, the fixed star movement mechanism comprises a strip-shaped through hole formed in the upper part of the fixed plate, a constant star plate is arranged on the strip-shaped through hole on the front side of the fixed plate, a convex edge is arranged on the periphery of the strip-shaped through hole on the rear side of the fixed plate, a sliding block is arranged in a strip-shaped groove surrounded by the convex edge, the front side of the sliding block passes through the groove and is connected with the fixed star plate, the lower end of the sliding block is connected with a fixed star movement connecting rod, and a vertical strip-shaped hole is formed in the middle of the fixed star movement connecting rod;
the earth movement mechanism comprises an arc-shaped through hole formed in the lower portion of a fixed plate, an earth disc is arranged on the arc-shaped through hole on the front side of the fixed plate, an arc-shaped convex edge with the same curvature as the arc-shaped through hole is arranged below the arc-shaped through hole on the rear side of the fixed plate, the circle centers of the arc-shaped through hole and the arc-shaped convex edge are the same, the upper surface of the arc-shaped convex edge is provided with saw-tooth or arc-shaped teeth, an earth rotation gear is arranged at the position, opposite to the earth disc, of the rear side of the fixed plate, the center of the earth rotation gear is provided with a connecting rod, the connecting rod penetrates through the arc-shaped through hole to be connected with the earth disc, and the earth rotation gear is meshed with the teeth on the arc-shaped convex edge;
the solar mechanism comprises a solar disk, the solar disk is arranged below a strip-shaped through hole of a fixed plate, the solar disk is arranged at the center of an arc-shaped through hole and an arc-shaped convex edge, a low-speed rotating motor is arranged at the rear side of the fixed plate and opposite to the position of the solar disk, a motor fixing frame is arranged at the outer side of the low-speed rotating motor and is connected to the fixed plate through bolts, the upper end of the rotating frame is arranged between the low-speed rotating motor and the fixed plate, the lower end of the rotating frame is arranged between an earth rotating gear and the fixed plate, a cylindrical groove is arranged at the rear side of the rotating frame, an output shaft of the low-speed rotating motor is in interference fit with the cylindrical groove, a shaft is arranged at the front side of the upper end of the rotating frame and connected with the rotating frame in a welding mode, the shaft penetrates through the fixed plate and is connected with the solar disk, a round hole is arranged at the lower end of the rotating frame, a connecting rod of the earth rotating gear penetrates through the round hole and the arc-shaped through hole, a shifting column is arranged at the middle position of the rotating frame, and is inserted into the strip-shaped hole in the middle of a star moving connecting rod;
the transmission ratio of the arc-shaped convex edges on the fixed plate to the earth rotation gear is 1:8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910106462.4A CN109686223B (en) | 2019-02-02 | 2019-02-02 | Simulation comparing device for sun day and sun day |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910106462.4A CN109686223B (en) | 2019-02-02 | 2019-02-02 | Simulation comparing device for sun day and sun day |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109686223A CN109686223A (en) | 2019-04-26 |
| CN109686223B true CN109686223B (en) | 2024-03-01 |
Family
ID=66194211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910106462.4A Active CN109686223B (en) | 2019-02-02 | 2019-02-02 | Simulation comparing device for sun day and sun day |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109686223B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191300399A (en) * | 1912-01-10 | 1913-11-27 | Konrad Gustav Steller | Improvements in Apparatus for Representing in a Mechanical Manner the Positions of the Planets Relatively to the Sun and the Earth. |
| CN87201744U (en) * | 1987-02-06 | 1988-01-13 | 刘学光 | Teaching model of sidereal day and solar day |
| CN2336429Y (en) * | 1998-06-30 | 1999-09-01 | 谭德顺 | Sidereal day and solar day demonstration board |
| CN2501139Y (en) * | 2001-09-02 | 2002-07-17 | 梁振国 | Demonstrator for earth rotation period |
| KR20040073065A (en) * | 2003-02-13 | 2004-08-19 | 윤준용 | Solar system celestial object model |
| CN201117160Y (en) * | 2007-08-14 | 2008-09-17 | 唐景镇 | Sidereal day and solar day demonstration device |
| KR20100062126A (en) * | 2008-12-01 | 2010-06-10 | 김명등 | Apparatus for simulating movement of heavenly bodies |
| KR200462825Y1 (en) * | 2012-06-20 | 2012-10-02 | 황영석 | Learning materials for the revolution of the earth around the sun and th earth's rotation |
| KR20160074103A (en) * | 2014-12-18 | 2016-06-28 | 박성윤 | Solar-earth-moon assembly to demonstrate season and time based on geographical coordinates |
| CN209785403U (en) * | 2019-02-02 | 2019-12-13 | 吉林师范大学 | Analog comparison device for sun days and sidereal days |
-
2019
- 2019-02-02 CN CN201910106462.4A patent/CN109686223B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191300399A (en) * | 1912-01-10 | 1913-11-27 | Konrad Gustav Steller | Improvements in Apparatus for Representing in a Mechanical Manner the Positions of the Planets Relatively to the Sun and the Earth. |
| CN87201744U (en) * | 1987-02-06 | 1988-01-13 | 刘学光 | Teaching model of sidereal day and solar day |
| CN2336429Y (en) * | 1998-06-30 | 1999-09-01 | 谭德顺 | Sidereal day and solar day demonstration board |
| CN2501139Y (en) * | 2001-09-02 | 2002-07-17 | 梁振国 | Demonstrator for earth rotation period |
| KR20040073065A (en) * | 2003-02-13 | 2004-08-19 | 윤준용 | Solar system celestial object model |
| CN201117160Y (en) * | 2007-08-14 | 2008-09-17 | 唐景镇 | Sidereal day and solar day demonstration device |
| KR20100062126A (en) * | 2008-12-01 | 2010-06-10 | 김명등 | Apparatus for simulating movement of heavenly bodies |
| KR200462825Y1 (en) * | 2012-06-20 | 2012-10-02 | 황영석 | Learning materials for the revolution of the earth around the sun and th earth's rotation |
| KR20160074103A (en) * | 2014-12-18 | 2016-06-28 | 박성윤 | Solar-earth-moon assembly to demonstrate season and time based on geographical coordinates |
| CN209785403U (en) * | 2019-02-02 | 2019-12-13 | 吉林师范大学 | Analog comparison device for sun days and sidereal days |
Non-Patent Citations (1)
| Title |
|---|
| 陈浩,庞英富.关于对《地球运动》一节教学难点的探讨.广西师范学院学报(自然科学版).2002,(第S1期),全文. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109686223A (en) | 2019-04-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207637347U (en) | A kind of CAI software displaying device convenient for adjusting angle | |
| CN203759941U (en) | All-dimensional demonstration device of mathematic stereoscopic model | |
| CN104680920A (en) | Comprehensive gear train training aid for mechanical principle | |
| CN109686223B (en) | Simulation comparing device for sun day and sun day | |
| CN209785403U (en) | Analog comparison device for sun days and sidereal days | |
| CN204680302U (en) | A kind of mechanical principle integrated gear train teaching aid | |
| CN110930855A (en) | Demonstration instrument for simulating celestial body movement | |
| CN208834632U (en) | Day a kind of ground moon three ball running instruments | |
| CN101441835B (en) | Earth, sun and moon running series instrument with deviation-correcting function | |
| CN212460969U (en) | Calendar source instrument | |
| CN203149995U (en) | Teaching demonstrator for rotation and revolution of earth | |
| CN205353587U (en) | Watch with lunar calendar indicating mechanism | |
| CN202677712U (en) | Sun vertical incident point regression movement apparatus | |
| CN204382942U (en) | For the blackboard of Chinese literature teaching | |
| CN211506937U (en) | Teaching model for junior middle school geography | |
| KR101810333B1 (en) | Month Periodic change observation teaching aid | |
| CN104464493A (en) | Ordinary gear train and epicyclic gear train function display and contrastive analysis platform | |
| CN204010518U (en) | A kind of trackless celestial body demonstration instrument for teaching | |
| CN102800241B (en) | Direct solar radiation point regression movement apparatus | |
| CN210574649U (en) | Moon phase change demonstration instrument | |
| CN109448521A (en) | A kind of cube sensing device based on shadow conversion | |
| CN109243288A (en) | A kind of celestial body in solar system motion model demonstrator for physics teaching | |
| RU2274907C1 (en) | Training device for demonstrating gearing by means of overhead projector | |
| KR101168873B1 (en) | A celestial bodies | |
| CN213277179U (en) | Electromechanical teaching aid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |