CN208781493U - A kind of transit of Venus demonstrator - Google Patents
A kind of transit of Venus demonstrator Download PDFInfo
- Publication number
- CN208781493U CN208781493U CN201820088245.8U CN201820088245U CN208781493U CN 208781493 U CN208781493 U CN 208781493U CN 201820088245 U CN201820088245 U CN 201820088245U CN 208781493 U CN208781493 U CN 208781493U
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- moon
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Abstract
A kind of transit of Venus demonstrator, belongs to demonstrator technical field.It is characterized by: sun mould (9) is coaxially mounted in mounting disc, main swivel mount (2) are also rotatably equipped on the upside of mounting disc, earth mould (10), Venus mould (7) and moon mould (13) are rotatably installed in the upside of main swivel mount (2), moon mould (13) and earth mould (10) are arranged in the same side of sun mould (9), power plant module is connected with main swivel mount (2) and it is driven to rotate around the axis of mounting disc, the output end of power plant module also passes through transmission mechanism while being connected with earth mould (10) and Venus mould (7) and driving it around respective axis rotation.This transit of Venus demonstrator can simulate the relative motion of the sunny, earth, the moon and Venus, additionally it is possible to really simulate the chronometer phenomenon of the transit of Venus, and then more really simulate the earth, the moon and Venus relative to sun's motion state.
Description
Technical field
A kind of transit of Venus demonstrator, belongs to demonstrator technical field.
Background technique
Currently, the common tellurion sold on the market can only statically react the feature in each geographical location on the earth, it can not
Spatiality when the intuitive Expression earth revolves around the sun comprehensively, rotation and the moon are around earth rotation.And it is existing
Demonstrator is merely capable of the relative motion relation of the demonstration sun, the earth and the moon, and can not demonstrate out such as transit of Venus astronomy
Phenomenon.
Summary of the invention
It can be really anti-technical problem to be solved by the utility model is: overcoming the deficiencies of the prior art and provide one kind
The relative motion of the earth, the moon, Venus and the sun is mirrored, and the transit of Venus demonstrator of transit of Venus phenomenon can be demonstrated out.
The technical scheme adopted by the utility model to solve the technical problem is as follows: the transit of Venus demonstrator, feature exist
In: including mounting disc, sun mould, earth mould, Venus mould, moon mould and power plant module, sun mould is coaxially mounted to mounting disc
On, it is also rotatably equipped with main swivel mount on the upside of mounting disc, earth mould, Venus mould and moon mould are rotatably installed in main swivel mount
Upside, the same side of sun mould is arranged in moon mould and earth mould, and power plant module is connected with main swivel mount and drives it around peace
The axis of sabot rotates, and the output end of power plant module also passes through transmission mechanism while being connected with earth mould and Venus mould and driving it
Around respective axis rotation；The side of main swivel mount is rotatably equipped with directive wheel, is coaxially provided with guide groove on the upside of mounting disc, is oriented to
Wheel downside is arranged in guide groove.
Preferably, the earth mould is coaxially mounted on the upside of earth mould mounting rod, is rotatably equipped with biography on main swivel mount
The downside of earth mould is arranged in moving axis, transmission shaft, and transmission shaft is connected by support rod with earth mould mounting rod, and support rod is close to biography
One end of moving axis is obliquely installed lower than the other end, and earth mould mounting rod is to move closer to the skewed of transmission shaft from the bottom to top, is passed
The output end of motivation structure is connected with transmission shaft.
Preferably, acute angle formed by the axis and horizontal plane of the earth mould mounting rod is 66.5 °.
Preferably, it is also rotatably equipped with Venus mould swivel mount on the upside of the main swivel mount, Venus mould is rotatably installed in gold
On the upside of star mould swivel mount, the output end of transmission mechanism is connected with Venus mould by Venus mould free-wheeling system and drives Venus mould certainly
Turn, the output end of transmission mechanism also passes through the axis that Venus mould revolution movement is connected with Venus mould swivel mount and drives it around mounting disc
Line rotation.
Preferably, the spacing of the sun mould and Venus mould is less than the spacing of sun mould and earth mould, moon mould and ground
The spacing of ball mould is less than the spacing of sun mould and Venus mould.
Preferably, the side of the main swivel mount is rotatably equipped with directive wheel, is coaxially provided with guide groove on the upside of mounting disc,
It is arranged in guide groove on the downside of directive wheel.
Preferably, be provided with moon mould mounting rod between the moon mould and transmission mechanism, moon mould mounting rod it is upper
Portion is the mounting portion for being gradually distance from earth model from the bottom to top, and moon mould mounting rod lower end is connected simultaneously with the output end of transmission mechanism
It rotates in the horizontal plane, moon model is mounted on mounting portion.
Compared with prior art, beneficial effect possessed by the utility model is:
1, this transit of Venus demonstrator can simulate the relative motion of the sunny, earth, the moon and Venus, additionally it is possible to true
The chronometer phenomenon for simulating the transit of Venus, simulation effect is good, and by the input of power plant module, can be good at guaranteeing
The relative rotation speed of earth mould, moon mould and Venus mould can be consistent with truth, and then more really simulate ground
Relative to sun's motion state, directive wheel is rotatably installed on main swivel mount for ball, the moon and Venus, and same with main swivel mount
Moved further is arranged guide groove in mounting disc, to be oriented to directive wheel, can either play guiding role, and can be to peace
Sabot is played a supporting role, and makes the motion stabilization of earth mould, moon mould and Venus mould, and motion profile is accurate.
2, earth mould mounting rod is obliquely installed, and is mounted on support rod, and support rod is synchronous with the rotation of transmission shaft to be turned
It is dynamic, to realize the variation in the four seasons in the revolution of earth mould, and then more really simulate the earth and the moon is circumsolar
Motion state, simulation effect are good.
3, the shaft of earth mould and the angle of horizontal plane are 66.5 °, are consistent with truth, motion status simulation is accurate.
4, Venus mould, which is rotatably installed in, carries out on swivel mount, so as to preferably simulate Venus and the sun and the earth
Relative motion relation.
5, by earth mould, the setting of moon mould and Venus mould relative position avoids three's rotation or revolution phase
Mutually interference, and also simulate true relative positional relationship.
6, moon mould is installed by moon model mounting rod, to realize the rotation around the earth.
Detailed description of the invention
Fig. 1 is transit of Venus demonstrator kinematic scheme.
Fig. 2 is the position view of transit of Venus demonstrator section transmission system.
In figure: 1, sun mould mounting rod 2, main swivel mount 3, directive wheel 4, mounting rack 5, Venus mould swivel mount
6, Venus mould mounting rod 7, Venus mould 8, planet carrier 9, sun mould 10, earth mould 11, earth mould mounting rod
12, support rod 13, moon mould 14, moon mould mounting rod 15, driving gear 16, first gear 17, second gear
18, third gear 19, the 4th gear 20, main fixed gear 21, the 5th gear 22, the 6th gear 23, the 7th tooth
Wheel 24, secondary fixed gear 25, eighth gear 26, the 9th gear 27, the tenth gear 28, the 11st gear 29,
12nd gear 30, the 13rd gear 31, connection frame 32, the 14th gear 33, the 15th gear the 34, the 16th
Gear 35, the 17th gear 36, the tenth octadentate wheel 37, the 19th gear 38, earth mould swivel mount the 39, the 20th
Gear 40, the 21st gear 41, the 22nd gear 42, the 23rd gear 43, the 24th gear 44,
25th gear 45, the 26th gear 46, the 27th gear 47, the 20th octadentate wheel 48, transmission shaft
49, the 29th gear.
Specific embodiment
Fig. 1 ~ 2 are the most preferred embodiments of the utility model, and 1 ~ 2 pair of the utility model is done furtherly with reference to the accompanying drawing
It is bright.
A kind of transit of Venus demonstrator, including mounting disc, sun mould 9, earth mould 10, Venus mould 7, moon mould 13 and dynamic
Power module, sun mould 9 are coaxially mounted in mounting disc, and main swivel mount 2, earth mould 10, gold are also rotatably equipped on the upside of mounting disc
Star mould 7 and moon mould 13 are rotatably installed in the upside of main swivel mount 2, and moon mould 13 and earth mould 10 are arranged in sun mould 9
The same side, power plant module be connected with main swivel mount 2 and drive its around mounting disc axis rotate, the output end of power plant module is also
It is connected simultaneously with earth mould 10 and Venus mould 7 by transmission mechanism and drives it around respective axis rotation；The side of main swivel mount 2
Portion is rotatably equipped with directive wheel 3, and guide groove is coaxially provided on the upside of mounting disc, is arranged in guide groove on the downside of directive wheel.This Venus
Transit demonstrator can simulate the relative motion of the sunny, earth, the moon and Venus, additionally it is possible to really simulate the transit of Venus
Chronometer phenomenon, simulation effect is good, and by the input of power plant module, can be good at guaranteeing earth mould 10, moon mould
13 and the relative rotation speed of Venus mould 7 can be consistent with truth, and then more really simulate the earth, the moon and
Relative to sun's motion state, directive wheel 3 is rotatably installed on main swivel mount 2 Venus, and with main 2 synchronizing moving of swivel mount,
Guide groove is set in mounting disc, to be oriented to directive wheel 3, guiding role can either be played, and can fold to installation
To supporting role, make the motion stabilization of earth mould 10, moon mould 13 and Venus mould 7, and motion profile is accurate.
The utility model is described further combined with specific embodiments below, however persons familiar with the art should
Solution, is to preferably explain here in connection with the detailed description that attached drawing provides, the structure of the utility model has necessarily had exceeded
These embodiments of limit, and for some equivalents or common approach, it is no longer described in detail herein, but still fall within this
The protection scope of application.
Specific: mounting disc is annular shape as shown in Figure 1:, and the lower part of mounting disc is equipped with pedestal, and mounting disc is mounted on pedestal
Upside, mounting disc are horizontally disposed.Sun mould 9 is mounted on the base by sun mould mounting rod 1, and sun mould mounting rod 1 is vertical
Setting, the lower end of sun mould mounting rod 1 are mounted on the base, and sun mould 9 is mounted on the upper end of sun mould mounting rod 1, sun mould
Mounting rod 1 and mounting disc are coaxially disposed.Main swivel mount 2 is arranged on the upside of mounting disc and is arranged with mounting disc interval, main swivel mount 2
Middle part and sun mould mounting rod 1 be rotatablely connected, main swivel mount 2 around sun mould mounting rod 1 rotate.
Main swivel mount 2 is equipped with vertical transmission shaft 48, and the lower rotational of transmission shaft 48 is mounted on main swivel mount 2, passes
The left side of sun mould mounting rod 1 is arranged in moving axis 48.Earth mould 10 is mounted on the upper end of earth mould mounting rod 11, and with earth mould
The rotation of mounting rod 11 and rotate synchronously.The top of transmission shaft 48 is additionally provided with support rod 12, and support rod 12 and transmission shaft 48 are fixed
Connection, and rotated synchronously with the rotation of transmission shaft 48, earth mould mounting rod 11 and support rod 12 are rotatablely connected.12 edge of support rod
Gradually upward skewed close to the direction of earth mould 10, the lower end of support rod 12 is connected with transmission shaft 48, upper end and earth mould
Mounting rod 11 is connected, so that earth mould mounting rod 11 be made to be obliquely installed.In the present embodiment, earth mould mounting rod 11 with level
The angle in face is 66.5 °, to be consistent with truth, keeps the motion state of simulation more accurate.Due to transmission shaft 48, support
The setting of bar 12 and earth mould mounting rod 11 makes earth mould 10 when revolving around sun mould 9, has simulated Four seasons change, simulates
It is more accurate.The side of earth mould 10, i.e. earth mould mounting rod 11 and earth mould 10 is arranged in the axis of earth mould mounting rod 11
Eccentric setting, to realize the change of perihelion and aphelion during the drive earth mould 10 of earth mould mounting rod 11 rotates
Change.The revolving speed of earth mould mounting rod 11 is equal with the revolving speed of main swivel mount 2 and turns on the contrary, to make earth mould mounting rod 11
Towards constant.
Moon mould 13 is mounted on transmission shaft 48 by moon mould mounting rod 14, and moon mould mounting rod 14 includes the company of lower part
The mounting portion of socket part and top, mounting portion and interconnecting piece are to move closer to the skewed of moon mould 13 from the bottom to top, and install
Acute angle formed by portion and horizontal plane is greater than acute angle, the end of interconnecting piece and the output of transmission mechanism formed by interconnecting piece and horizontal plane
End is connected, and interconnecting piece rotates in the horizontal plane around transmission shaft 14, and moon mould 13 is mounted on the upper end of mounting portion.
In the present embodiment, power plant module is motor, and motor has and only one.
Guiding mechanism is equipped between mounting disc and main swivel mount 2.Guiding mechanism includes directive wheel 3 and is arranged in mounting disc
The annular guide groove of side, guide groove and mounting disc are coaxially disposed.One end of main swivel mount 2 is equipped with the peace for installing directive wheel 3
Shelve 4, directive wheel 3 is rotatably installed in mounting rack lower part, and the downside of directive wheel 3 is arranged in guide groove, and directive wheel 3 can either be with
Guide groove is matched to main swivel mount 2 to guiding role, additionally it is possible to which the supporting role to main swivel mount 2 guarantees that main swivel mount 2 is transported
Row is stablized.
Transmission mechanism is gear drive, and the output shaft of motor is connected with driving gear 15, and drives driving gear 15
Rotation.Driving gear 15, first gear 16, second gear 17, the 12nd gear 29, the 13rd gear 30, main fixed gear 20,
16th gear 34, the 15th gear 33, the 14th gear 32, the 29th gear 49 and the 26th gear 45 constitute public affairs
Runner system, driving gear 15 are engaged with first gear 16, and first gear 16, which is coaxially connected with second gear 17 and keeps synchronous, to be turned
Dynamic, first gear 16 and second gear 17 are rotatably installed on sun mould mounting rod 1 and are coaxially disposed with sun mould mounting rod 1,
Second gear 17 is meshed with the 12nd gear 29, and the 12nd gear 29 is coaxial connected with the 13rd gear 30 and is kept for synchronous turn
Dynamic, the 12nd gear 29 and the 13rd gear 30 are rotatably installed on main swivel mount 2, and the 12nd gear 29 and the 13rd tooth
The axis of wheel 30 is arranged between transmission shaft 48 and sun mould mounting rod 1, the 13rd gear 30 simultaneously with main fixed gear 20
It is meshed with the 16th gear 34, main fixed gear 20 is coaxially mounted on sun mould mounting rod 1 and consolidates with sun mould mounting rod 1
Fixed setting, the 16th gear 34 is fixedly connected with transmission shaft 48 and is coaxially disposed with transmission shaft 48, to drive transmission table 48 same
Step rotation, transmission shaft 48 is connected with support rod 12 and drives the swing of support plate 12, so that earth mould 10 be made to realize the change in the four seasons
Change.14th gear 32 is coaxially connected with the 29th gear 49 and keeps rotating synchronously, the 14th gear 32 and the 29th
Gear 49 is rotatably installed on main swivel mount 2 by connection frame 31, and the axis of the 14th gear 32 and the 29th gear 49
It is arranged between transmission shaft 48 and the axis of the 13rd gear 30, the 15th gear 33 is coaxially disposed and with transmission with transmission shaft 48
Axis 48 rotates synchronously, and the 15th gear 33 is meshed with the 14th gear 32, the 29th gear 49 and the 26th gear 45
Engagement, the 26th gear 45 are rotatably installed on transmission shaft 48 and are coaxially disposed with transmission shaft 48, moon mould mounting rod 14
Interconnecting piece lower end is connect with the upside of the 26th gear 45, and 45 axis of the 26th gear is arranged in the lower end of interconnecting piece
Side, to realize moon mould 13 around the rotation of earth mould 10.17th gear 35 be coaxially mounted on transmission shaft 48 and with
Transmission shaft 48 keeps rotating synchronously, and the 17th gear 35 is engaged with the tenth octadentate wheel 36, the tenth octadentate wheel 36 and the 19th gear
37 engagements, the 19th gear 37 and the 20th gear 39 are coaxially disposed and keep rotating synchronously, the tenth octadentate wheel 36 and the 19th
Gear 37 is arranged in from the inside to the outside on the main swivel mount 2 in 48 outside of transmission shaft, and the tenth octadentate wheel 36 and the 19th gear 37 are
It is rotatably installed on main swivel mount 2.20th gear 39, the 21st gear 40, the 23rd gear 42, the 22nd gear
41 and planet carrier 8 form planetary gear train, the 23rd gear 42 is meshed with the 22nd gear 41, the 22nd gear 41
Be mounted on main swivel mount 2 by earth mould swivel mount 38 and rotated synchronously with the rotation of main swivel mount 2, planet carrier 8 also with
The shaft of 23rd gear 42 is rotatablely connected, and the 24th gear 43 is mounted on planet carrier 8 and synchronous with the holding of planet carrier 8
Rotation, the 25th gear 44 are meshed with the 24th gear 43, and the 25th gear 44 and the 20th octadentate wheel 47 are coaxial
It is arranged and keeps rotating synchronously, the 25th gear 44 and the 20th octadentate wheel 47 are rotatably installed on transmission shaft 48, and second
17 gears 46 are coaxially connected with earth mould mounting rod 11 and keep rotating synchronously, the 27th gear 46 and the 27th gear
47 are meshed, to realize the rotation of earth mould 10.
The downside of Venus mould 7 is provided with vertical Venus mould mounting rod 6, and Venus mould mounting rod 6 is rotatably installed in Venus mould
On swivel mount 5, Venus mould 7 is mounted on the upper end of Venus mould mounting rod 6 and rotates synchronously with Venus mould mounting rod 6, Venus mould peace
The side of sun mould mounting rod 1 is arranged in dress bar 6, and the spacing of sun mould 9 and Venus mould 7 is less than sun mould 9 and earth mould 10
Spacing, the spacing of moon mould 13 and earth mould 10 is less than the spacing of sun mould 9 and Venus mould 7.Transmission mechanism passes through Venus mould
Revolution movement is connected with Venus mould swivel mount 5 and Venus mould swivel mount 5 is driven to rotate, to realize Venus mould 7 around sun mould
The rotation of mounting rod 1, the i.e. revolution of Venus mould 7, transmission mechanism are connected simultaneously by Venus mould free-wheeling system with Venus mould mounting rod 4
Venus mould mounting rod 4 is driven to rotate, to realize Venus mould 7 around the rotation of own axes.
Third gear 18, the 4th gear 19, the 5th gear 21, the 6th gear 22, the 7th gear 23, the 11st gear 28,
Eighth gear 25 and secondary fixed gear 24 constitute Venus mould revolution movement, third gear 18, the 4th gear 19 and the 5th gear 21
It is coaxially connected and keep rotating synchronously, and third gear 18, the 4th gear 19 and the 5th gear 21 are rotatably installed in main rotation
On frame 2, third gear 18 is meshed with second gear 17, and third gear 18 and the 12nd gear 29 are symmetricly set on sun mould peace
The two sides of bar 1 are filled, the 4th gear 19 is meshed with main fixed gear 20, and the 5th gear 21 is meshed with the 6th gear 22, and the 6th
Gear 22 and the 7th gear 23 are coaxially connected and keep rotating synchronously, and the 6th gear 22 and the 7th gear 23 are rotatably installed in the sun
It is coaxially disposed on mould mounting rod 1 and with sun mould mounting rod 1, the 7th gear 23 is meshed with the 11st gear 28, the 11st tooth
Wheel 28 and eighth gear 25 are coaxially connected and keep rotating synchronously, and the 11st gear 28 and eighth gear 25 are rotatably installed in gold
On star mould swivel mount 5, and the 11st gear 28 and the axis of eighth gear 25 are located at sun mould mounting rod 1 and Venus mould mounting rod
Between 6, the fixed gear 24 of pair is coaxially mounted to be fixedly connected on sun mould mounting rod 1 and with sun mould mounting rod 1, eighth gear
25 are meshed with the fixed gear 24 of pair, to realize the rotation of Venus mould swivel mount 5, and then realize Venus mould 7 around the sun
The rotation of mould 9, the i.e. revolution of Venus mould 7.
Tenth gear 27 and the 9th gear 26 constitute Venus mould free-wheeling system, and the tenth gear 27 and eighth gear 25 are coaxial
It connects and keeps rotating synchronously, the 9th gear 26 is coaxially connected with Venus mould mounting rod 6 and keeps rotating synchronously, the tenth gear 27
It is meshed with the 9th gear 26, to realize the rotation of Venus mould 7.
It is as shown in Figure 2: third gear 18 and the 4th gear 19 coaxial arrangement, the 16th gear 34 of the 15th gear 33. with
And the 26th gear 45 be coaxially disposed, and the axis of third gear 18, the 13rd gear 30 and the 16th gear 34 be located at it is same
On one straight line, the 14th gear 32 and the coaxial arrangement of the 29th gear 49, and the surface of the 16th gear 34 is set,
And the 16th gear 34 and 49 axis of the 29th gear line and the 13rd gear 30 and 34 axis of the 16th gear company
Line is vertical.
The number of teeth of each gear is as shown in the table:
By the number of teeth setting of above each gear, make earth mould 10, Venus mould 7 rotation and around sun mould 9 revolution with
And moon mould 13 is consistent around the relative velocity of the rotation of earth mould 10 with truth, has preferably simulated the sun.The earth, the moon
The relative motion of ball and Venus, additionally it is possible to the demonstration transit of Venus phenomenon of accuracy.
The above descriptions are merely preferred embodiments of the present invention, is not to make other forms to the utility model
Limitation, any person skilled in the art is changed or is modified as possibly also with the technology contents of the disclosure above equivalent
The equivalent embodiment of variation.But it is all without departing from the content of the technical scheme of the utility model, the technology according to the utility model is real
Matter any simple modification, equivalent variations and remodeling to the above embodiments, still fall within the guarantor of technical solutions of the utility model
Protect range.
Claims (4)
1. a kind of transit of Venus demonstrator, it is characterised in that: including mounting disc, sun mould (9), earth mould (10), Venus mould
(7), moon mould (13) and power plant module, sun mould (9) are coaxially mounted in mounting disc, are also rotatably equipped on the upside of mounting disc
Main swivel mount (2), earth mould (10), Venus mould (7) and moon mould (13) are rotatably installed in the upside of main swivel mount (2),
Moon mould (13) and earth mould (10) are arranged in the same side of sun mould (9), and power plant module is connected and drives with main swivel mount (2)
Its around mounting disc axis rotate, the output end of power plant module also pass through transmission mechanism simultaneously with earth mould (10) and Venus mould
(7) it is connected and drives it around respective axis rotation；The side of main swivel mount (2) is rotatably equipped with directive wheel (3), in mounting disc
Side is coaxially provided with guide groove, is arranged in guide groove on the downside of directive wheel；The sun mould (9) and the spacing of Venus mould (7) is small
Spacing in sun mould (9) and earth mould (10), moon mould (13) and the spacing of earth mould (10) are less than sun mould (9) and Venus
The spacing of mould (7)；
It is also rotatably equipped with Venus mould swivel mount (5) on the upside of the main swivel mount (2), Venus mould (7) is rotatably installed in Venus
On the upside of mould swivel mount (5), the output end of transmission mechanism is connected with Venus mould (7) by Venus mould free-wheeling system and drives Venus mould
(7) rotation, the output end of transmission mechanism also pass through Venus mould revolution movement and are connected with Venus mould swivel mount (5) and drive it around peace
The axis of sabot rotates.
2. transit of Venus demonstrator according to claim 1, it is characterised in that: the earth mould (10) is coaxially mounted to
It on the upside of earth mould mounting rod (11), is rotatably equipped with transmission shaft (48) on main swivel mount (2), transmission shaft (48) is arranged in earth mould
(10) downside, transmission shaft (48) are connected by support rod (12) with earth mould mounting rod (11), and support rod (12) is close to transmission
One end of axis (48) is obliquely installed lower than the other end, and earth mould mounting rod (11) is to move closer to transmission shaft (48) from the bottom to top
Skewed, the output end of transmission mechanism is connected with transmission shaft (48).
3. transit of Venus demonstrator according to claim 2, it is characterised in that: the axis of the earth mould mounting rod (11)
Acute angle formed by line and horizontal plane is 66.5 °.
4. transit of Venus demonstrator according to claim 1, it is characterised in that: the moon mould (13) and transmission mechanism
Between be provided with moon mould mounting rod (14), the top of moon mould mounting rod (14) is to be gradually distance from earth mould (10) from the bottom to top
Mounting portion, moon mould mounting rod (14) lower end is connected with the output end of transmission mechanism and rotates in the horizontal plane, moon mould
(13) it is mounted on mounting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820088245.8U CN208781493U (en) | 2018-01-19 | 2018-01-19 | A kind of transit of Venus demonstrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820088245.8U CN208781493U (en) | 2018-01-19 | 2018-01-19 | A kind of transit of Venus demonstrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208781493U true CN208781493U (en) | 2019-04-23 |
Family
ID=66145358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820088245.8U Expired - Fee Related CN208781493U (en) | 2018-01-19 | 2018-01-19 | A kind of transit of Venus demonstrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208781493U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111951661A (en) * | 2020-08-26 | 2020-11-17 | 张治德 | Calendar source instrument |
| CN113314019A (en) * | 2021-06-30 | 2021-08-27 | 中国石油大学胜利学院 | Astronomical science popularization device |
| CN113393758A (en) * | 2021-07-01 | 2021-09-14 | 中国石油大学胜利学院 | Astronomical demonstration device |
-
2018
- 2018-01-19 CN CN201820088245.8U patent/CN208781493U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111951661A (en) * | 2020-08-26 | 2020-11-17 | 张治德 | Calendar source instrument |
| CN113314019A (en) * | 2021-06-30 | 2021-08-27 | 中国石油大学胜利学院 | Astronomical science popularization device |
| CN113314019B (en) * | 2021-06-30 | 2022-06-21 | 中国石油大学胜利学院 | Astronomical science popularization device |
| CN113393758A (en) * | 2021-07-01 | 2021-09-14 | 中国石油大学胜利学院 | Astronomical demonstration device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190423 Termination date: 20200119 |