CN110556038A - Weather-simulating snowfall flow device for primary science teaching demonstration - Google Patents
Weather-simulating snowfall flow device for primary science teaching demonstration Download PDFInfo
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- CN110556038A CN110556038A CN201910918879.0A CN201910918879A CN110556038A CN 110556038 A CN110556038 A CN 110556038A CN 201910918879 A CN201910918879 A CN 201910918879A CN 110556038 A CN110556038 A CN 110556038A
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- 239000007788 liquid Substances 0.000 claims abstract description 46
- 238000004088 simulation Methods 0.000 claims abstract description 20
- 239000007921 spray Substances 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 10
- 238000005034 decoration Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 22
- 239000013078 crystal Substances 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 7
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000008014 freezing Effects 0.000 abstract description 2
- 238000007710 freezing Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 15
- 238000005507 spraying Methods 0.000 description 9
- 239000000779 smoke Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- 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
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
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Abstract
The invention relates to the technical field of environmental simulation, and discloses a weather-simulating snowfall flow device for teaching demonstration based on primary school science, which comprises an observation area, wherein through the matching use of an air inlet, a liquid inlet, a threaded rod and a rack, when snowfall simulation is carried out, the rack is turned over, the looseness of crystals is higher, the crystals are closer to the appearance and the looseness of snow, the snowfall simulation effect is better, the air inlet and the liquid inlet are respectively controlled to prevent a spray port from being frozen due to lower temperature, so that the blockage is avoided, the damage to the device is caused, the practicability of the device is improved, on the other hand, when the air inlet is opened firstly, gas enters firstly, liquid enters later, and when the spray port is closed, the freezing water is prevented from being frozen when the frozen water does not flow for a long time, in addition, the residual water in the spray port can be discharged by compressed air, the intelligence of the device is improved, the quality of the device is improved, and the manufacturing cost is reduced.
Description
Technical Field
The invention relates to the technical field of environmental simulation, in particular to a weather snowfall simulating flow device for primary school scientific teaching demonstration.
Background
snowfall is a common natural phenomenon, and ancient people have a Hangul of Ruiyou Fengyang, and also need to maintain a dialectic thought to see when understanding the benefits brought by nature, and when the snowfall amount is too large, the snowfall also brings a lot of inconvenience to human beings and even harms life and property safety, and for students of smaller age, the natural phenomenon cannot be fully explained due to the lack of self experience and learning, and the invention of a device capable of simulating a snowfall process is urgently needed in order to improve the learning ability and arouse the learning interest of the students.
snow is snowflake-shaped solid ice falling to the ground from a mixed cloud, when water on the sea and the ground is heated and evaporated to the sky, water vapor moves to other places along with wind, and finally when the water vapor meets extremely low cold air, ice crystals are formed and finally fall to the ground, so that snowfall is formed.
In order to solve the problems, the inventor provides a weather-simulating snowfall flow device for teaching demonstration based on primary school science, which has the advantages of being more vivid and concrete in a snowfall simulation process, enabling the produced snow to be more fluffy, solving the fluffy degree of the snow, avoiding blockage of a spray head in a low-temperature environment, solving the problems that the traditional device is not strong in practicability and easy to damage, ensuring that the device is more vivid and vivid in simulating snowfall in the teaching process, arousing the learning interest of students, and being not easy to damage and longer in service life.
disclosure of Invention
Technical scheme (I)
in order to realize that the snowfall simulation process is more visual and concrete, the produced snow is more fluffy, the fluffy degree of the snow is solved, and the aim of preventing the spray head from being blocked in a low-temperature environment is fulfilled, the invention provides the following technical scheme: a weather simulation snowfall flow device for teaching demonstration based on primary school science comprises an observation area, which is convenient for learning and observation, an operation area is fixedly connected above the observation area, a series of reactions are carried out in the operation area to achieve the purpose of artificial simulation snowfall, the inside of the observation area is movably connected with a spray port, atomized crystals are sprayed out finally to simulate the snowfall process, a switch is movably connected on the surface of the operation area and is operated and controlled by rotating the switch, a rack is movably connected in the operation area, the produced crystals are stirred by the rotation of the rack, so that the crystals are fluffy, the simulation effect is better, a heat reaction area is fixedly connected on the left side of the operation area, a fan is movably connected in the heat reaction area, air is compressed by opening the fan and is mixed with liquid, and a heat exchanger is fixedly connected below the fan, the air is cooled, so that liquid is atomized to form crystals, snow is simulated, the inside swing joint of the operation area is provided with a rotating shaft, the right side of the rotating shaft is movably connected with a sliding block, an air inlet is formed in the inside of the heat reaction area, a liquid inlet is formed below the air inlet, the liquid inlet is movably connected with the tail end of the air inlet through a guide blade, a mixing chamber is formed below the guide blade, a threaded rod is movably connected between the air inlet and the liquid inlet, the left end of the threaded rod is movably connected with a first control block, and the right end of the threaded rod is movably connected with a.
Preferably, the first control block is larger in size than the second control block, and in the home position, the right side of the first control block is spaced from the center line of the threaded rod by the same distance as the left side of the second control block.
Preferably, the air inlet is consistent with the rule of the liquid inlet in size, a piston is movably connected inside the air inlet, and the piston is movably connected with the right end of the air inlet through a plastic spring.
Preferably, the switch has two, and two switches's specification is unanimous, and uses the central line in operation district as the reference and be symmetrical distribution, controls heat reaction zone and air inlet and inlet respectively.
Preferably, the observation area is transparent glass-shaped, and the surface of the ejection opening is provided with cloud-shaped decorations, and the bottom surface is provided with grass-shaped decorations.
Preferably, the three ejection openings are provided, have the same specification, and are uniformly distributed in the observation area.
Preferably, the outer side of the rotating shaft is movably connected with two inclined rods and a sliding block, the outer side of the sliding block is movably connected with a sliding chute, and the size of the sliding chute is not smaller than that of the sliding block.
(II) advantageous effects
Compared with the prior art, the invention provides a weather snowfall simulating flow device for primary school scientific teaching demonstration, which has the following beneficial effects:
1. This simulation weather snowfall flow device based on primary school's science teaching demonstration usefulness, cooperation through air inlet, threaded rod and rack is used, make when the in-process rack upset that carries out the snowfall simulation, the higher appearance and the fluffy degree of pressing close to snow more of fluffy degree of crystal, the effect of snowfall simulation is better, and prevent through controlling air inlet and inlet respectively that the spout from freezing owing to the lower temperature that leads to the fact, avoid forming the jam, cause the harm to the device, improve the practicality of dress individual device.
2. This simulation weather snowfall flow device based on primary school's science teaching demonstration is used through the cooperation of fan and heat exchanger for can compress air and water and freeze the atomizing, and compressed air provides pressure for the atomizing of water, after forming the water smoke, water smoke condenses into the ice crystal fast under low temperature environment, falls from the sky, thereby simulates out the snowfall process, makes the scientificity of whole process stronger.
3. This simulation weather snowfall flow device based on primary school's science teaching demonstration is used through the cooperation of air inlet, guide vane, mixing chamber and blowout port for with compressed air and water mixing in the mixing chamber, provide the final blowout water smoke of pressure, make to convert the water column into water smoke blowout, avoid the water column directly to freeze, can not reach the effect that the simulation snowfall, transfer the feasibility and the practicality of the device.
4. This simulation weather snowfall flow device based on primary school's science teaching demonstration usefulness, through the threaded rod, first control block, the cooperation of second control block and air inlet and inlet is used, make at the air inlet earlier opened, gaseous earlier gets into, get into behind the liquid, and close in advance when closing the inlet, thereby frozen when avoiding the refrigerated water not to flow for a long time, compressed air can also discharge the interior incomplete water of blowout in addition, prevent that the blowout from depositing water and causing the jam in the mouth, the intelligence of the device is improved, the quality of the device is improved, and the manufacturing cost is reduced.
5. this simulation weather snowfall flow device based on primary school's science teaching demonstration is used, through the lawn form embellishment that is equipped with cloud form and bottom surface in the department of spouting for whole teaching process is more vivid, more can arouse student's interest in study, also is more profound and clear to the understanding of snowfall principle.
Drawings
FIG. 1 is a schematic view of a connection structure according to the present invention;
FIG. 2 is a cross-sectional view of the connection structure of the present invention;
FIG. 3 is a schematic view of the connection structure of the rotating shaft, the sliding block and the rack according to the present invention, wherein each structure is in an original state;
FIG. 4 is a diagram showing the movement traces of the structures shown in FIG. 3, in which the rotating shaft rotates to drive the rack to turn over synchronously;
FIG. 5 is a sectional view showing a connection structure of an air inlet, a liquid inlet, a guide vane, a mixing chamber and a nozzle according to the present invention;
FIG. 6 is a schematic view showing a connection structure of the threaded rod, the first control block, the air inlet and the liquid inlet of the second control block according to the present invention, wherein the air inlet and the liquid inlet are both closed;
FIG. 7 is a diagram showing the movement traces of the structures shown in FIG. 6, in which the air inlet is opened and the liquid inlet is closed;
FIG. 8 is a diagram showing the movement traces of the structures shown in FIG. 7, wherein the air inlet and the liquid inlet are both opened;
FIG. 9 is an enlarged view of the structure of FIG. 6 at A according to the present invention.
In the figure: 1. an observation area; 2. an operation area; 3. an ejection port; 4. a switch; 5. a rack; 6. a thermal reaction zone; 7. a fan; 8. a heat exchanger; 9. a rotating shaft; 10. a slider; 11. an air inlet; 12. a liquid inlet; 13. a guide blade; 14. a mixing chamber; 15. a threaded rod; 16. a first control block; 17. a second control block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, a weather-simulating snowfall flow device for primary school scientific teaching demonstration comprises an observation area 1, the observation area 1 is transparent glass-shaped, the surface of a spraying port 3 is provided with cloud-shaped decorations, the bottom surface of the spraying port 3 is provided with grass-shaped decorations, so that the device is convenient for learning and observation, the learning interest of students is aroused, the attraction force in the teaching process is improved, an operation area 2 is fixedly connected above the observation area 1, a series of reactions are carried out in the operation area 2, the purpose of manually simulating snowfall is achieved, the spraying port 3 is movably connected in the observation area 1, the spraying ports 3 are three, the specifications of the three spraying ports 3 are consistent and are uniformly distributed in the observation area 1, atomized crystals are sprayed out finally, the snowfall simulating process is realized, the snowfall simulating process is more real due to the three spraying ports 3, the coverage is wider, the effect is more obvious, the surface of the operation area 2 is movably connected with two switches 4, the two switches 4 are in the same specification and are symmetrically distributed by taking the central line of the operation area 2 as a reference, the heat reaction area 6, the air inlet 11 and the liquid inlet 12 are respectively controlled, the switch 4 is rotated to be operated and controlled, so that the operation can be manually carried out while explaining, the inside of the operation area 2 is movably connected with a rack 5, the produced crystals are stirred by the overturning of the rack 5, so that the crystals are more fluffy, the simulation effect is better, the left side of the operation area 2 is fixedly connected with the heat reaction area 6, the inside of the heat reaction area 6 is movably connected with a fan 7, the air is compressed by starting the fan 7 and is mixed with the liquid, the heat exchanger 8 is fixedly connected below the fan 7, the air is cooled, so that the liquid is atomized to form crystals, formation of simulation snow, the inside swing joint of operation zone 2 has pivot 9, the outside swing joint of pivot 9 has two down tube and slider 10 swing joint, the outside swing joint of slider 10 has the spout, the size of this spout is not less than the size of slider 10, frictional force when reducing slider 10 and removing, convenient the removal, the right side swing joint of pivot 9 has slider 10, another spout has been seted up to slider 10's top, and inside carries out interactive connection through stopper and slider 10 surperficial rack 5, thereby make rack 5 can overturn.
An air inlet 11 is arranged in the heat reaction area 6, the air inlet 11 has the same size with the liquid inlet 12, a piston is movably connected in the air inlet 11 and is movably connected with the right end of the air inlet 11 through a plastic spring, the opening and closing of the air inlet 11 and the liquid inlet 12 are finally controlled through controlling the pistons at two sides, the phenomenon that the spraying port 3 is easily frozen is finally avoided, the device is damaged, the liquid inlet 12 is arranged below the air inlet 11, the liquid inlet 12 is movably connected with the tail end of the air inlet 11 and a guide blade 13 is used for guiding the air guide body, so that the air and the liquid are uniformly mixed in the mixing chamber 14, the mixing chamber 14 is arranged below the guide blade 13, a threaded rod 15 is movably connected between the air inlet 11 and the liquid inlet 12, and the first control block 16 and the second control block 17 keep moving in the same direction through the rotation, the left end swing joint of threaded rod 15 has first control block 16, the right-hand member swing joint of threaded rod 15 has second control block 17, the size of first control block 16 is bigger than the size of second control block 17 will be big, and during the primary importance, the distance of the right side of first control block 16 to the threaded rod 15 central line equals with the distance of the left side of second control block 17 to threaded rod 15, make when moving the same distance, air inlet 11 is opened earlier, avoid entering earlier easily when liquid and crystallizing in ejection port 3 and causing the jam, the same is said, when closing, inlet 12 is closed earlier, be closed behind the air inlet 11, thereby avoid remaining liquid in ejection port 3 when closing the device, form the jam.
When the device is used, the switch 4 is pressed to open the fan 7 and the heat exchanger 8, the fan 7 works to compress air, the air finally enters through the air inlet 11, the liquid inlet 12 is movably connected with a faucet, liquid flows in, the air and the liquid finally compressed through the fan 7 and the heat exchanger 8 pass through the liquid channel and the gas channel and finally reach the mixing chamber 14 to mix the liquid and the gas, the mixed substance is sprayed out through the spraying port 3, and the sprayed gas-liquid mixture is cooled by opening the heat exchanger 8 to be atomized into a crystal state to simulate snow-shaped spraying.
The above structure and process are shown in fig. 1-2 and fig. 5.
Because the general granule of crystallization is great, the granular sensation is stronger during the blowout, when switch 4 is opened, can drive small-size battery and drive pivot 9 and rotate, two down tubes and slider 10 swing joint of outside swing joint of pivot 9, the right side swing joint of pivot 9 has slider 10, another spout has been seted up to slider 10's top, and inside carries out interactive connection through stopper and slider 10 surperficial rack 5, thereby make and can drive rack 5 when pivot 9 rotates and overturn, when rack 5 overturns, can loosen the crystalline substance that forms, make its appearance higher with the degree of similarity of fluffy degree and snow.
The above structure and process are shown in FIGS. 3-4.
When the compressed gas and the liquid respectively flow through the gas inlet 11 and the liquid inlet 12, the gas inlet 11 and the liquid inlet 12 are in a closed state in an original state, when the second switch 4 is rotated, the threaded rod 15 is driven to rotate, the threads matched with the threaded rod 15 are arranged inside the first control block 16 and the second control block 17, so that the first control block 16 and the second control block 17 synchronously move towards two sides, because the size of the first control block 16 is larger than that of the second control block 17, the first control block 16 pushes a piston inside the gas inlet 11 forwards in advance to form a gap, the first gas port 11 is opened, so that the compressed air firstly passes through the ejection port 3, the liquid is prevented from entering in advance and being frozen in a water delivery channel under the condition of no pressure difference, similarly, when the simulated snow falling process is finished, the switch 4 is rotated in the opposite direction, the first control block 16 and the second control block 17 synchronously move inwards, due to the size difference, the second control block 17 can be far away from the liquid inlet 12, the piston in the liquid inlet 12 can be restored to the original position under the action of the spring, the liquid inlet 12 is firstly closed, the air inlet 11 is continuously filled with compressed gas, the liquid in the ejection port 3 is completely removed, the phenomenon that the liquid is remained in the ejection port 3 and is frozen to cause blockage is avoided, and damage is caused to the device for simulating snowfall.
The above structure and process are shown in FIGS. 6-8.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a simulation weather snowfall flow device based on primary school's science teaching demonstration is used, includes observation area (1), its characterized in that: an operation area (2) is fixedly connected above the observation area (1), a spray port (3) is movably connected inside the observation area (1), a switch (4) is movably connected on the surface of the operation area (2), a rack (5) is movably connected inside the operation area (2), a heat reaction area (6) is fixedly connected on the left side of the operation area (2), a fan (7) is movably connected inside the heat reaction area (6), a heat exchanger (8) is fixedly connected below the fan (7), a rotating shaft (9) is movably connected inside the operation area (2), a sliding block (10) is movably connected on the right side of the rotating shaft (9), an air inlet (11) is arranged inside the heat reaction area (6), a liquid inlet (12) is arranged below the air inlet (11), the liquid inlet (12) is movably connected with the tail end of the air inlet (11) and a guide vane (13), a mixing chamber (14) is arranged below the guide vane (13), a threaded rod (15) is movably connected between the air inlet (11) and the liquid inlet (12), the left end of the threaded rod (15) is movably connected with a first control block (16), and the right end of the threaded rod (15) is movably connected with a second control block (17).
2. The device for simulating the weather snowfall flow for the primary school science teaching demonstration as claimed in claim 1, wherein: the size of the first control block (16) is larger than that of the second control block (17), and in the original position, the distance from the right side of the first control block (16) to the center line of the threaded rod (15) is equal to the distance from the left side of the second control block (17) to the threaded rod (15).
3. The device for simulating the weather snowfall flow for the primary school science teaching demonstration as claimed in claim 1, wherein: the air inlet (11) is consistent with the ruler of the liquid inlet (12), a piston is movably connected inside the air inlet (11), and the piston is movably connected with the right end of the air inlet (11) through a plastic spring.
4. The device for simulating the weather snowfall flow for the primary school science teaching demonstration as claimed in claim 1, wherein: the two switches (4) are in accordance with each other in specification, and are symmetrically distributed with reference to the center line of the operation area (2).
5. The device for simulating the weather snowfall flow for the primary school science teaching demonstration as claimed in claim 1, wherein: the observation area (1) is transparent glass-shaped, cloud-shaped decorations are arranged on the surface of the ejection opening (3), and grass-shaped decorations are arranged on the bottom surface of the ejection opening.
6. The device for simulating the weather snowfall flow for the primary school science teaching demonstration as claimed in claim 1, wherein: the three spray outlets (3) are provided, the specifications of the three spray outlets (3) are consistent, and the three spray outlets are uniformly distributed in the observation area (1).
7. the device for simulating the weather snowfall flow for the primary school science teaching demonstration as claimed in claim 1, wherein: the outer side of the rotating shaft (9) is movably connected with two inclined rods which are movably connected with the sliding block (10), the outer side of the sliding block (10) is movably connected with a sliding chute, and the size of the sliding chute is not smaller than that of the sliding block (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910918879.0A CN110556038B (en) | 2019-11-01 | 2019-11-01 | Weather-simulating snowfall flow device for primary science teaching demonstration |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910918879.0A CN110556038B (en) | 2019-11-01 | 2019-11-01 | Weather-simulating snowfall flow device for primary science teaching demonstration |
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| CN110556038A true CN110556038A (en) | 2019-12-10 |
| CN110556038B CN110556038B (en) | 2021-07-13 |
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| CN109781938A (en) * | 2018-12-03 | 2019-05-21 | 中国辐射防护研究院 | A kind of device of simulated radioactive nuclein snowfall approach sedimentation |
| CN109794074A (en) * | 2019-03-25 | 2019-05-24 | 深圳市莱宝影视科技有限公司 | Profiling snowfall equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3733029A (en) * | 1971-07-23 | 1973-05-15 | Hedco | Snow precipitator |
| JP2000242162A (en) * | 1999-02-19 | 2000-09-08 | Toyo Eng Works Ltd | Natural phenomena observation device by temperature change of water |
| CN201003886Y (en) * | 2007-02-08 | 2008-01-09 | 珠海格力电器股份有限公司 | Artificial snowing device |
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| CN110556038B (en) | 2021-07-13 |
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