Demonstration device for simulating principle of Beidou navigation flat floating sounding balloon

Abstract

The utility model belongs to the technical field of simulation demonstration devices, and particularly relates to a demonstration device for simulating the principle of a Beidou navigation flat floating sounding balloon, which demonstrates that a balloon I floats when the balloon I is placed in a box, carbon dioxide enters the box body, the concentration of the carbon dioxide is increased, and the buoyancy is greater than the gravity of the balloon I; the principle that helium filled in the sounding balloon rises in the atmosphere is simulated; demonstrating that the two micro pumps pump away air in the vacuum box, the pressure in the box is reduced, the helium pressure in the double-layer balloon is high, the external environment pressure is reduced, the balloon expands, the pressure borne by the outer balloon is high, the outer balloon is broken, and when the sounding balloon ascends, the atmosphere is thin, the atmospheric pressure is reduced, and the balloon expands; and 3, enabling the interior of the box to be close to vacuum through a micro pump, enabling the inner ball to lose external atmospheric buoyancy support, enabling the weight of the inner ball to be greater than the buoyancy of a vacuum environment, enabling the inner ball to descend, enabling the stratosphere to be in a vacuum state after the simulated sounding balloon ascends to the stratosphere, enabling the sounding balloon not to ascend any more and starting to float flatly.

Description

TECHNICAL FIELD

[0001] The utility model relates to simulation demonstration device technical field, specifically demonstration device of simulation big dipper navigation flat drift sounding balloon principle. BACKGROUND

[0002] In meteorological science field, sounding balloon as an important meteorological detection tool, can carry various meteorological detection instruments to ascend to high altitude, real -time measurement to key meteorological parameters such as atmospheric temperature, humidity, air pressure, wind direction, wind speed, in practical application, in order to carry out popular science to ordinary people, therefore need to use a demonstration device.

[0003] The demonstration device in the prior art uses a fan to simulate horizontal airflow in the atmosphere. After the balloon rises to a certain height, it will be affected by these horizontal airflows, thereby producing flat drift movement. By adjusting the speed and direction of the airflows, the flat drift trajectory of the sounding balloon under different meteorological conditions can be simulated, and the movement law of the sounding balloon in the atmosphere can be displayed.

[0004] However, the above-mentioned demonstration device still has some problems. In practical application, it is inconvenient to simulate the principle of the big dipper navigation flat drift sounding balloon, which affects the correct understanding of meteorological detection and scientific and technological development, and reduces the actual effect of popular science activities. Therefore, a demonstration device for simulating the principle of the big dipper navigation flat drift sounding balloon is proposed to solve the above-mentioned problems. UTILITY MODEL CONTENT

[0005] In order to make up for the deficiencies of the prior art and solve the problems raised in the background art, the utility model provides a demonstration device for simulating the principle of the big dipper navigation flat drift sounding balloon.

[0006] The utility model solves the technical problems by adopting the following technical scheme: the utility model discloses a demonstration device for simulating the principle of the big dipper navigation flat drift sounding balloon, which comprises a box body, a movable door is arranged on one side of the box body through hinge cooperation, a handle is fixedly connected to one side of the movable door, five candles are equidistantly arranged in the box body, and the positions of the candles in the box body are gradually raised in height, a plurality of carbon dioxide molecules are distributed in the box body, and a balloon one is arranged in the box body, wherein helium gas is filled in the balloon one.

[0007] A carbon dioxide gas tank is arranged on one side of the box body, a gas supply pipe is connected to the top side of the carbon dioxide gas tank, a valve is arranged on the bottom end outer wall of the gas supply pipe, a delivery pipe is arranged on the top end of the gas supply pipe, one end of the delivery pipe penetrates through the box body and extends to the bottom end inside the box body, and an output nozzle is arranged on one end of the delivery pipe, so as to simulate the principle of the big dipper navigation flat drift sounding balloon and improve the correct understanding of meteorological detection and scientific and technological development.

[0008] Preferably, the vacuum box is internally screwed at the top end with a cover plate, which can ensure that the vacuum box maintains good sealing during the air extraction process, prevents external air from entering, and thus accurately simulates the high-altitude low-pressure environment.

[0009] Preferably, the bottom side of the vacuum box is communicatively provided with an air outlet pipe, and a micro pump is mounted on the outer wall of the air outlet pipe, which realizes continuous removal of air in the vacuum box, reduces the internal pressure, and provides the necessary experimental environment for the behavior change of the double-layer balloon.

[0010] Preferably, the vacuum box is internally screwed at the top end with a cover plate, which can ensure that the vacuum box maintains good sealing during the air extraction process, prevents external air from entering, and thus accurately simulates the high-altitude low-pressure environment.

[0011] Preferably, the vacuum box is internally screwed at the top end with a cover plate, which can ensure that the vacuum box maintains good sealing during the air extraction process, prevents external air from entering, and thus accurately simulates the high-altitude low-pressure environment.

[0012] The utility model discloses the beneficial effect lies in:

[0013] 1. The utility model discloses a balloon filled with air is put into the box, makes carbon dioxide enter the inside of box body through the conveying pipe and output mouth, and the concentration of carbon dioxide in the box gradually increases, because the density of carbon dioxide is greater than air, and the balloon is filled with air, according to Archimedes principle, the buoyancy of balloon gradually increases, when the buoyancy is greater than the gravity of balloon, balloon gradually floats up, the process vividly simulates the principle that the helium gas filled in the sounding balloon constantly rises in the atmosphere, improves the correct understanding of meteorological detection and scientific and technological development.

[0014] 2. The utility model discloses that double-layer balloon is put into the vacuum box, starts the micro pump, removes the air in the vacuum box through the air outlet pipe, and the pressure in the box gradually becomes small, according to Boyle's law, the helium pressure in the double-layer balloon is relatively big, and the external environment pressure reduces unceasingly, leads to the balloon expansion, because the pressure change that the outer sphere bears is bigger, and the outer sphere will break, this process simulates the phenomenon that the sounding balloon constantly expands when rising, along with the increase of height, the atmosphere is increasingly thin, and the atmospheric pressure becomes small.

[0015] 3. The utility model discloses that the inner sphere is separately put into the vacuum box, and the micro pump removes the air in the vacuum box, and the inner sphere is close to the vacuum state in the box, and because the buoyancy support of outer sphere is lost, and its own weight is greater than the buoyancy in the vacuum environment, therefore, the inner sphere will slowly descend from the state of floating on the top, this process simulates the principle that when the sounding balloon rises to the stratosphere, the stratosphere is almost vacuum state, if the weight of sounding balloon is greater than the buoyancy in the vacuum environment, then will not rise any more, and starts to float. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0017] Figure 1 It is a schematic diagram of the main structure of the box body in the demonstration device.

[0018] Figure 2 It is a schematic diagram of the candle discharge structure in the box body in the demonstration device.

[0019] Figure 3 It is a schematic diagram of the balloon state structure in the box body in the demonstration device.

[0020] Figure 4 It is a schematic diagram of the main structure of the vacuum box in the demonstration device.

[0021] Figure 5 It is a schematic diagram of the cross-sectional structure of the double-layer balloon in the vacuum box in the demonstration device.

[0022] Figure 6 It is a schematic diagram of the inflation phenomenon of the double-layer balloon in the vacuum box in the demonstration device.

[0023] Figure 7 It is a schematic diagram of the inner balloon structure after inflation in the vacuum box in the demonstration device.

[0024] In the figure: 1, box body; 2, movable door; 3, handle; 4, candle; 5, carbon dioxide molecule; 6, balloon; 7, carbon dioxide gas tank; 8, gas delivery pipe; 9, valve; 10, delivery pipe; 11, output nozzle; 12, vacuum box; 13, cover plate; 14, gas outlet pipe; 15, micro pump; 16, outer balloon; 17, inner balloon. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0026] Please refer to Figures 1-3As shown, a kind of demonstration device of simulating the principle of Beidou navigation flat drift sounding balloon, including box 1, the side of the box 1 is equipped with the movable door 2 by hinge cooperation, the side of the movable door 2 is fixedly connected with handle 3, the inside of the box 1 is installed with five candles 4 at equal intervals, and the position height of candle 4 in the inside of box 1 is sequentially increased, the inside of the box 1 is distributed with several carbon dioxide molecules 5, the inside of the box 1 is equipped with balloon one 6, wherein balloon one 6 is filled with helium, the side of the box 1 is installed with carbon dioxide gas tank 7, the top side of carbon dioxide gas tank 7 is connected with gas sending pipe 8, the bottom end outer wall of gas sending pipe 8 is installed with valve 9, the top end of gas sending pipe 8 is installed with delivery pipe 10, one end of delivery pipe 10 is installed with output nozzle 11;When working, in practical application, it is inconvenient to simulate the principle of Beidou navigation flat drift sounding balloon, influence the correct understanding of meteorological detection and scientific and technological development, reduce the actual effect of popular science activities, open movable door 2 through handle 3, place five height sequentially increased candles 4 at equal intervals in the inside of box 1, simulate the temperature change of different height in atmosphere and other factors, fill several carbon dioxide molecules 5 into the inside of box 1, so that the inside of box 1 forms a certain concentration of carbon dioxide environment;

[0027] Demonstration one: first, candle 4 extinguishing experiment is carried out, when different height candles 4 burn in the box 1 filled with carbon dioxide, because the density of carbon dioxide is greater than air, it will gradually sink and cover around candle 4, with the accumulation of carbon dioxide, candle 4 is sequentially extinguished from low to high due to lack of oxygen, this process simulates the change of gas composition at different heights in atmosphere and the influence on combustion phenomenon;

[0028] Then, balloon buoyancy experiment is carried out, balloon one 6 filled with air is placed into the box, then the valve 9 of gas sending pipe 8 on carbon dioxide gas tank 7 is opened, carbon dioxide enters the inside of box 1 through delivery pipe 10 and output nozzle 11, with the continuous filling of carbon dioxide, the concentration of carbon dioxide in the inside of box 1 gradually increases, because the density of carbon dioxide is greater than air, and balloon one 6 is filled with air, according to Archimedes principle, the buoyancy of balloon one 6 gradually increases, when the buoyancy is greater than the gravity of balloon one 6, balloon one 6 gradually floats up, vividly simulates the principle that balloon one 6 filled with helium continuously rises in atmosphere during the process, realizes the principle of Beidou navigation flat drift sounding balloon, improves the correct understanding of meteorological detection and scientific and technological development.

[0029] Please refer to Figures 4-7As shown, including the vacuum box 12, the top end of the vacuum box 12 is internally screwed with a cover plate 13, the bottom side of the vacuum box 12 is communicated with a gas outlet pipe 14, a micro pump 15 is installed on the outer wall of the gas outlet pipe 14, an outer ball 16 is installed in the vacuum box 12, an inner ball 17 is assembled in the inner ball 16, the inner ball 17 and the inner ball 17 are filled with helium, and the outer ball 16 and the inner ball 17 jointly form a double-layer balloon; When working, in the field of meteorological science, the sounding balloon as an important meteorological detection tool can carry various meteorological detection instruments to high altitude, and can measure the key meteorological parameters such as temperature, humidity, air pressure, wind direction and wind speed in real time. In practical application, in order to popularize science to the general public, a demonstration device is needed, demonstration two: the double-layer balloon is put into the vacuum box 12, the double-layer balloon is composed of the outer ball 16 and the inner ball 17, and the inner ball 17 is filled with helium, the cover plate 13 at the top of the vacuum box 12 is screwed to ensure the sealing of the box, then the micro pump 15 is started, and the air in the vacuum box 12 is continuously pumped out through the gas outlet pipe 14, as the air is pumped out, the pressure in the box gradually decreases, according to the Boyle's law, the pressure of the gas is inversely proportional to the volume under the condition that the temperature is constant, at this time, the helium pressure in the double-layer balloon is relatively large, and the external environment pressure continuously decreases, so that the balloon begins to expand, because the pressure change of the outer ball 16 is large, so the outer ball 16 will be broken, this process simulates the process that the sounding balloon continuously rises, as the height increases, the atmosphere becomes increasingly thin, the atmospheric pressure becomes small, and the balloon continuously expands;

[0030] Demonstration three: the inner ball 17 is separately put into the vacuum box 12, the sealing of the vacuum box 12 is ensured to be good, the micro pump 15 is also started to continuously pump out the air in the vacuum box 12, as the air gradually decreases, the box is close to a vacuum state, in this case, the inner ball 17 loses the support of the external atmospheric buoyancy, and its own weight is greater than the buoyancy in the vacuum environment, therefore, the inner ball 17 will slowly descend from the original state of floating on the top, this process simulates the principle that after the sounding balloon rises to the stratosphere, the stratosphere is almost in a vacuum state, at this time, if the weight of the sounding balloon is greater than the buoyancy in the vacuum environment, the sounding balloon will not rise any more, and will start to float horizontally, so the principle of simulating the Beidou navigation horizontal floating sounding balloon is realized.

[0031] In the scheme, the "child-mother ball method" of the horizontal floating type of inner and outer double balls is used, the outer ball 16 explodes after vertical rising to a certain height, and the inner ball 17 continues to float horizontally in the stratosphere for a certain time and is intervened to land by the control center.

[0032] Working principle: open the movable door 2 through the handle 3, place five candles 4 with increasing height inside the box body 1, simulate the temperature change and other factors at different altitudes in the atmosphere, fill the box body 1 with a certain concentration of carbon dioxide molecules 5, and form a certain concentration of carbon dioxide environment in the box body 1;

[0033] Demonstration one: first, the candle 4 extinguishing experiment, when the candles 4 at different altitudes burn in the box body 1 filled with carbon dioxide, because the density of carbon dioxide is greater than that of air, it will gradually sink and cover around the candle 4, with the accumulation of carbon dioxide, the candle 4 is extinguished from low to high in turn due to lack of oxygen, this process simulates the change of gas composition at different altitudes in the atmosphere and the influence on combustion and other phenomena;

[0034] Then, the balloon buoyancy experiment, put the air-filled balloon 6 into the box, then open the valve 9 of the carbon dioxide gas tank 7 on the gas delivery pipe 8, make the carbon dioxide enter the box body 1 through the delivery pipe 10 and the output nozzle 11, with the continuous filling of carbon dioxide, the concentration of carbon dioxide in the box body 1 gradually increases, because the density of carbon dioxide is greater than that of air, and the balloon 6 is filled with air, according to Archimedes principle, the buoyancy of the balloon 6 gradually increases, when the buoyancy is greater than the weight of the balloon 6, the balloon 6 gradually floats up, which vividly simulates the principle of the helium-filled sounding balloon rising in the atmosphere, realizes the principle of the Beidou navigation flat floating sounding balloon, and improves the correct understanding of meteorological detection and scientific and technological development;

[0035] Demonstration two: put the double-layer balloon into the vacuum box 12, which is composed of outer balloon 16 and inner balloon 17, and both are filled with helium, the cover plate 13 at the top of the vacuum box 12 is connected by screw thread to ensure the sealing of the box, then start the micro pump 15 to continuously remove the air in the vacuum box 12 through the air outlet pipe 14, with the air being removed, the pressure in the box gradually decreases, according to Boyle's law, the pressure of the gas is inversely proportional to the volume under constant temperature, at this time, the helium pressure in the double-layer balloon is relatively large, while the external environment pressure continuously decreases, resulting in the balloon begins to expand, because the outer balloon 16 bears a large change in pressure, therefore the outer balloon 16 will be broken, this process simulates the phenomenon that the sounding balloon continuously expands with the increase of altitude in the process of continuously rising, the atmosphere becomes increasingly thin, the atmospheric pressure becomes smaller;

[0036] Demonstration three: the inner ball 17 is placed in the vacuum box 12 alone, ensure that the vacuum box 12 is sealed well, also start the micro pump 15 to remove the air in the vacuum box 12, with the gradual reduction of air, the box is close to vacuum state, in this case, the inner ball 17 loses the support of the external atmospheric buoyancy, and its own weight is greater than the buoyancy in the vacuum environment, therefore, the inner ball 17 will slowly descend from the original floating state on the top, this process simulates the principle that the sounding balloon rises to the stratosphere, and the stratosphere is almost in a vacuum state, at this time, if the weight of the sounding balloon is greater than the buoyancy in the vacuum environment, it will no longer rise, and start to drift, thus realizing the simulation of the principle of the Beidou navigation drift sounding balloon.

[0037] In the scheme, the "child-mother ball method" of the drift type double ball of inner and outer is used, the outer ball 16 explodes after vertical rising to a certain height, and the inner ball 17 continues to drift in the stratosphere for a certain time and is intervened by the control center to land.

[0038] In the description of the specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. A demonstration device simulating the principle of a Beidou navigation driftsonde balloon, characterized in that: Including the box (1), one side of the box (1) is installed with the movable door (2) through the hinge cooperation, one side of the movable door (2) is fixedly connected with the handle (3), the inside of the box (1) is installed with five candles (4) equidistantly, and the position height of the candle (4) in the inside of the box (1) is sequentially increased, the inside of the box (1) is distributed with several carbon dioxide molecules (5), the inside of the box (1) is assembled with the balloon one (6), wherein the inside of the balloon one (6) is filled with helium. ​ 2. The demonstration device simulating the principle of the Beidou navigation drift-free sounding balloon according to claim 1, characterized in that: One side of the box (1) is installed with the carbon dioxide gas tank (7), the top side of the carbon dioxide gas tank (7) is connected with the gas sending pipe (8), the bottom end outer wall of the gas sending pipe (8) is installed with the valve (9), the top end of the gas sending pipe (8) is installed with the conveying pipe (10), one end of the conveying pipe (10) penetrates the box (1) and extends to the inside bottom end setting, one end of the conveying pipe (10) is installed with the output nozzle (11).

3. The demonstration device simulating the principle of the Beidou navigation drift-free sounding balloon according to claim 2, characterized in that: Including the vacuum box (12), the top end inside of the vacuum box (12) is threadedly connected with the cover plate (13).

4. The demonstration device simulating the principle of the Beidou navigation drift-free sounding balloon according to claim 3, characterized in that: The bottom side of the vacuum box (12) is communicated with the gas outlet pipe (14), and the outer wall of the gas outlet pipe (14) is installed with the micro pump (15).

5. The demonstration device simulating the principle of the Beidou navigation drift-free sounding balloon according to claim 4, characterized in that: The inside of the vacuum box (12) is installed with the outer ball (16), the inside of the outer ball (16) is assembled with the inner ball (17), and the inside of the outer ball (16) and the inner ball (17) is filled with helium.

6. The demonstration device simulating the principle of the Beidou navigation drift-free sounding balloon according to claim 5, characterized in that: The outer ball (16) and the inner ball (17) jointly form a double-layer balloon.

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