WO2020175463A1

WO2020175463A1 - Flying vehicle

Info

Publication number: WO2020175463A1
Application number: PCT/JP2020/007434
Authority: WO
Inventors: 浩平中村
Original assignee: 浩平中村
Priority date: 2019-02-25
Filing date: 2020-02-25
Publication date: 2020-09-03
Also published as: JP2020132087A

Abstract

The present invention addresses the problem of providing a flying vehicle that makes it possible to fly for a long period of time by means of heated air without using any expensive lifting gases. A flying vehicle 1 according to one embodiment of the present invention is provided with an airtight container 2 for accommodating air, a heat source 3 accommodated in the interior of the airtight container, and a pressure-reducing valve 5 that is provided to the airtight container 2 and that releases air from within the airtight container 2.

Description

\¥0 2020/175463 1 卩 (: 17 2020 /007434 Clarification

Title of invention: Aircraft

Technical field

[0001] The present invention relates to an aircraft.

Background technology

[0002] Air vehicles such as hot air balloons and airships that fly by generating buoyancy by a gas (heated air, helium, etc.) having a smaller specific gravity than the outside air are known.

[0003] In a conventional hot air balloon, the lower end of the envelope is opened in order to heat the air in the envelope (bulb) by the heat of the burner. With a conventional hot-air balloon, the air temperature can be raised only up to about 100 ^° even in the upper part of the envelope, so that large buoyancy cannot be obtained. For this reason, conventional hot air balloons cannot carry a large amount of burner fuel, and can only fly for about one hour.

[0004] Since a conventional airship uses a levitation gas such as helium that produces buoyancy even at room temperature, it can fly for a relatively long time. Generally, a conventional airship has a space for enclosing a levitation gas and a space for accommodating air, as described in Patent Document 1, for example, so that these two spaces can be complementarily changeable in volume. It is divided by a flexible diaphragm. Such airships increase or decrease the volume of levitation gas by adjusting the pressure of the space containing air to adjust the buoyancy. Gas with a low molecular weight such as helium is used as the levitation gas for airships. For this reason, it is difficult to give a perfect sealing property to the enclosure loop that encloses the levitation gas, and it is necessary to replenish the levitation gas. Floating gases with low molecular weight are relatively expensive. Moreover, since the levitation gas cylinder becomes relatively heavy, the loading capacity of cargo etc. is limited if the levitation gas cylinder for supplementation is mounted on the airship.

Prior art documents

Patent literature

[0005] Patent Document 1: Japanese Patent Laid-Open No. 2 0 1 1-9 3 4 2 2 \¥0 2020/175463 2 ((17 2020/007434)

Problems to be Solved by the Invention

An object of the present invention is to provide a flying body that can fly for a long time without using expensive levitation gas.

Means for solving the problem

[0007] An aircraft according to an aspect of the present invention includes: a closed container that stores air; a heat source that is stored inside the closed container; And a pressure reducing valve for An air vehicle with such a configuration heats the air in the closed container to thermally expand it, and releases excess air from the pressure reducing valve to reduce the weight of the air in the closed container and generate buoyancy. Can be made. Since the heat loss is small because the heat source is placed in the closed container, it can fly for a long time.

[0008] The flight vehicle according to an aspect of the present invention may further include a ventilation valve that is provided in the closed container and introduces outside air into the closed container. As a result, the air vehicle can quickly descend by increasing the specific gravity of the air in the closed container by introducing the outside air from the ventilation valve.

[0009] The flying object according to an aspect of the present invention may further include an opening mechanism for forcibly opening the pressure reducing valve. This allows the air vehicle to forcibly open the pressure reducing valve and release the air in the closed container, thereby promoting the introduction of the outside air and quickly descending.

[0010] In the aircraft according to one aspect of the present invention, it is preferable that the average temperature of the air in the closed container during flight is 600°C or more. As a result, the air vehicle can obtain a relatively large buoyancy.

[001 1] An aircraft according to an aspect of the present invention may further include a support member that is provided in the closed container and that supports the heat source away from an inner wall of the closed container. The body can improve heat efficiency by suppressing heat conduction from the heat source to the closed container.

[0012] In the aircraft according to one aspect of the present invention, the heat source is a cold fusion heating device. \¥0 2020/175463 3 卩 (: 171? 2020 /007434

It may be. This will allow the aircraft to fly longer. Effect of the invention

[0013] According to the present invention, it is possible to provide a flying body that can fly for a long time by heated air without using expensive levitation gas.

Brief description of the drawings

[0014] [Fig. 1] Fig. 1 is a schematic view showing a hot air balloon of a first embodiment of an aircraft according to the present invention.

FIG. 2 is a schematic diagram showing an airship of a second embodiment of an air vehicle according to the present invention.

FIG. 3 is a perspective view of the airship of FIG.

FIG. 4 is a front view of the airship of FIG.

FIG. 5 is a schematic diagram showing an airship of a third embodiment of an air vehicle according to the present invention.

FIG. 6 is a schematic diagram showing an airship of a fourth embodiment of an air vehicle according to the present invention. MODE FOR CARRYING OUT THE INVENTION

[0015] Hereinafter, each embodiment of the aircraft according to the present invention will be described with reference to the drawings.

[0016] [First Embodiment]

First, the hot air balloon 1 of the first embodiment of the flying object according to the present invention will be described. FIG. 1 is a schematic diagram showing a hot air balloon 1 which is a first embodiment of an aircraft according to the present invention.

[0017] The hot-air balloon 1 includes an airtight container 2 that contains air, a heat source 3 that is housed inside the airtight container 2, a support member 4 that supports the heat source 3 away from the inner wall of the airtight container 2, and an airtight container. The container 2 is provided with a pressure reducing valve 5 for discharging the air in the closed container 2 and a basket 6 hung below the closed container 2.

[0018] The closed container 2 is formed of a material having heat resistance and flexibility. This closed container 2 is a soft envelope (air sac) that retains its shape by internal pressure. The heat resistant temperature of the closed container 2 is preferably 180°C or higher. Further, the closed container 2 preferably has an insulating property. Since the closed container 2 has insulating properties, it is possible to avoid lightning strikes and prevent damage to the heat source 3 and the like. Further, the closed container 2 is preferably made of a material having a low thermal conductivity. Heat in a closed container \\0 2020/175463 4 (:171? 2020/007434

Since the conductivity is low, the heat loss can be reduced, the output of the heat source 3 can be reduced, and the flight can be continued for a longer time.

[0019] The closed container 2 is preferably filled with dry air. This reduces the heat capacity of the air in the closed container 2 and improves energy efficiency, and in the unlikely event that hot air leaks from the closed container 2, damage to external people and things is caused by heat. Can be hard to give.

[0020] The heat source 3 is a heat generating device that does not consume oxygen and does not discharge exhaust gas. By using a heating device that does not consume oxygen and does not discharge exhaust gas as the heat source 3, the heat source 3 can continue to generate heat in the closed container 2 for a long time. As the heat generating device that does not consume oxygen and is used as the heat source 3, for example, a cold fusion heat generating device, a quantum heat generating device and the like are particularly preferably used. When the cold fusion heating device is used as the heat source 3, the hot air balloon 1 of the present embodiment can continue to fly for a longer period, for example, several months.

[0021] The support member 4 can be formed of, for example, a wire rope or the like. By supporting the heat source 3 away from the inner wall of the closed container 2 by the support member 4, it is possible to suppress heat conduction from the heat source 3 to the closed container 2 and improve thermal efficiency. The heat source 3 is preferably arranged at the center of the closed container 2 or slightly below the center. As a result, the air in the closed container 2 can be efficiently heated by the convection of the heated air.

[0022] The pressure reducing valve 5 discharges a part of the air in the closed container 2 which is heated and expanded by the heat source 3 to the outside to keep the internal pressure of the closed container 2 at a constant pressure (typically equivalent to atmospheric pressure). Or slightly higher pressure). As a result, the air density in the closed container 2 is reduced, and buoyancy can be generated in the closed container 2.

The pressure reducing valve 5 is preferably arranged above the closed container 2. In the closed container 2, the temperature of the upper air tends to be higher. Therefore, by disposing the pressure reducing valve 5 above the tightly closed container 2, it is possible to efficiently release excess heat energy to the outside. \¥0 2020/175463 5 (:171? 2020 /007434

[0024] The basketball 6 can be configured so that a person can ride on it, similar to a conventional hot air balloon. The basket 6 is equipped with a control device that controls the output (heat generation amount) of the heat source 3.

[0025] The average temperature of the air in the closed container 2 during flight is preferably 100 or more, and more preferably 400 or more. As the average temperature of the air in the closed container 2 during flight, preferably 1 0 0 0 ^° 〇 less, more preferably 8 0 0 ^° 〇 below. As a typical example, the average temperature of the air in the closed container 2 during flight can be about 600°. Sufficient buoyancy can be generated by setting the average temperature of the air in the closed container 2 during flight to the above-mentioned lower limit or more. By setting the average temperature of the air in the closed container 2 during flight to the upper limit or less, it becomes relatively easy to secure the heat resistance of the closed container 2, the heat source 3, and the like. As an example, if the average temperature of the air in the closed container 2 during flight is 600 ° 〇, the buoyancy is about three times that of a conventional hot air balloon with an air temperature of 100 ° ℃ or less. Obtainable. If the average temperature of the air in the closed container 2 during flight is 600°, the thermal conductivity of the air will be about twice that of the air in the conventional hot air balloon. The temperature of the air can be adjusted efficiently. In addition, by increasing the temperature of the air in the closed container 2 in this way, the difference in buoyancy due to the temperature of the outside air is reduced. Therefore, the hot air balloon 1 of the present embodiment can easily fly with sufficient buoyancy even in a warm region.

As described above, the hot air balloon 1 of the present embodiment heats the air in the closed container 2 by the heat source 3 to increase the molecular motion and thermally expand the air. Then, the hot air balloon 1 of the present embodiment can release the excess air from the pressure reducing valve 5 to the outside, thereby reducing the density of the air in the closed container 2 and generating buoyancy. The hot air balloon 1 of the present embodiment obtains buoyancy due to the closed system in which the air and heat source 3 are enclosed in the closed container 2, so heat does not easily escape to the outside, so it has excellent energy efficiency and should fly for a long time. You can

[0027] If the output of the heat source 3 is suppressed during the flight of the hot air balloon 1, the temperature of the air in the closed container 2 will decrease. This reduces the volume of air in the closed container 2 \¥0 2020/175463 6 卩 (: 171-1? 2020 /007434

2 shrinks and buoyancy decreases, causing Hot Air Balloon 1 to drop.

[0028] The hot air balloon 1 of the present embodiment is relatively low in cost because buoyancy is generated by air without using an expensive levitation gas such as expensive helium. Further, since the hot air balloon 1 of the present embodiment uses air having a larger molecular weight than levitation gas such as helium, it is easy to secure the sealing property of the closed container 2 and the weight of the closed container 2 is reduced. It is easy to obtain more buoyancy.

[0029] [Second Embodiment]

Next, an airship 13 of a second embodiment of an air vehicle according to the present invention will be described. FIG. 2 is a schematic diagram schematically showing the configuration of an airship 13 that is a second embodiment of an air vehicle according to the present invention. FIG. 3 is a perspective view showing a relatively realistic shape of the airship 13 of FIG. FIG. 4 is a front view showing the airship 13 of FIG.

[0030] airship 1 3, the support member and the closed vessel 2 3, a heat source 3 to be yield capacity into the closed vessel 2 3, supports spaced apart the heat source 3 from the inner wall of the closed container 2 ₃ housing the air 4, provided in the closed vessel 2 3, and the ventilation valve 7 for introducing the outside air into the pressure reducing valve 5 and the sealed container 2 in ₃ to release the air in the closed container 2 3, to stir the air in the closed container 2 ₃ A fan 8, a plurality of stabilizing vanes (main wing 9, back wing 10 and tail 11) provided outside the closed container 23, and a main propulsion prober 12 provided at the front of the main wing 9, An auxiliary propulsion propeller 13 provided at the rear of the main wing 9 and a plurality of attitude control propellers 14 provided in the main wing 9 are provided.

The heat source 3, the support member 4, and the pressure reducing valve 5 in the airship 13 in FIG. 2 can be the same as the heat source 3, the support member 4, and the pressure reducing valve 5 in the hot air balloon 1 in FIG. Therefore, in the following description, the same components as the components described above are designated by the same reference numerals, and redundant description will be omitted.

[0032] the sealed container 2 ₃ is formed of a material having heat resistance. Sealed container 2 ₃ is preferably formed in a long streamline shape in the horizontal direction (front-rear). Also, the closed vessel 2 _3, as shown in FIGS. 3 and 4 has a groove 1 5 extending back and forth in the bottom and top. The groove 15 improves the stability of the airship 13 due to the relative air flow during flight. \\0 2020/175463 7 卩 (: 171-1? 2020 /007434

[0033] There is also such a shape, the sealed container 2 ₃ is preferably a rigid ene base mouth-loop capable of holding the shape regardless of the internal pressure. Therefore, the closed vessel 2 _3, for example keel to hold the shape, configuration and including a skeleton like, may include a configuration as to form a wall that blocks air. Since the closed container 23 is a hard envelope, the air resistance of the airship 13 is kept constant during high-speed flight. Further, it is preferable that the closed container 23 of the airship 13 in FIG. 2 also has an insulating property and a small thermal conductivity, like the closed container 2 of the hot air balloon 1 in FIG.

[0034] airship 1 3, also the bottom of the sealed container 2 ₃ landing so as to be in contact with the ground, may be the bottom of the sealed container 2 ₃ impinges so that sinks under the water surface.

[0035] airship 1 3 may be provided with a basket or the like to the outside of the closed container _{2. 3,} in order to reduce the air resistance during flight, spatial accommodating air into the closed vessel 2 3 It is preferable that, for example, a control device, a person, luggage, etc. can be mounted in the space formed separately from the above.

[0036] The ventilation valve 7 is opened as needed to release the heated air in the closed container 23, and introduce cold outside air into the closed container 23 to remove the air inside the closed container 23. Increases the density of air. As a result, the airship 13 of the present embodiment can descend quickly.

[0037] Ventilation valve 7, so to be exchanged efficiently air in the closed casing 2 _3, may be provided plurality of sealed containers 2 _3.

The fan 8 rapidly diffuses the heat of the heat source 3 to the entire air in the closed container 23 by stirring the air in the closed container 23. In particular, the airtight container 23 of the airship 13 has a large effect of providing the fan 8 because it is difficult to efficiently convect the internal air due to its shape.

[0039] wing 9 is provided so that projecting horizontally over the entire circumference in plan view the outer edge of the sealed container 2 _3. The wing 9 suppresses the mouth and pitch of the airship 13. Also, the main wing 9, the main propulsion propeller 1 2 holds the auxiliary propeller 1 3 and attitude control propeller 1 4, the closed vessel 2 ₃ reinforcement (particularly in an enclosed container 2 ₃ bent in front-rear direction central portion It also functions as a structure. \\0 2020/175463 8 卩 (: 171? 2020 /007434

[0040] wing 9, in symmetrical positions of the sides on both sides of the closed container 2 _3, partly with a pivotable flap 1 6. The airship 13 can be raised and lowered quickly by adjusting the angle of the flaps 16.

[0041] Setsubasa 1 0 is projected so as to extend back and forth on top of the closed container 2 _3. The back wings 10 improve the straight running performance of the airship 13.

[0042] tail 1 1 is provided on the rear upper side of the closed container 2 _3. Tail 1 1 is an airship

1 Improves directional stability during flight.

[0043] The main propulsion propellers 12 are provided in left and right pairs at the front end of the airship 13 and generate thrust in a direction to move the airship 13 forward. In this way, by driving the main propulsion propeller 12 in the front part to pull the closed container 23, etc. in the rear, the orientation of the closed container 23 is stabilized.

[0044] The auxiliary propulsion propellers 13 are provided in a pair at the rear end of the airship 13 so as to generate a thrust in a direction of pushing the flying ship 13 forward. In order to stabilize the direction of the airship 13, the thrust of the auxiliary propulsion propeller 13 is preferably smaller than the thrust of the main propulsion propeller 12.

[0045] The airship 13 can change the traveling direction of the airship 13 by making the thrusts of the left and right main propulsion propellers 12 and the auxiliary propulsion propellers 13 different.

[0046] The plurality of attitude control propellers 14 are arranged symmetrically and distributed in the front-rear direction, and are configured so that the thrust can be adjusted individually. The thrust of these attitude control propellers 14 adjusts the balance of the buoyancy of the closed container 23, and the closed container 23 can be tilted in any direction. That is, the plurality of attitude control propellers 14 can impart an external ballast effect to the closed container 23. Further, it is preferable that at least a part of the attitude control propeller 14 is provided so that the direction of the rotation axis can be changed. In particular, by changing the direction of the rotation axis so that it can extend in the left-right direction, the airship 13 can be turned in the horizontal direction without changing its position while the airship 13 is stationary in the air. Can be translated laterally. \¥0 2020/175463 9 卩 (: 171-1? 2020 /007434

Similarly to the hot air balloon 1 of FIG. 1, the airship 13 of the present embodiment also heats the air in the closed container 2 by the heat source 3 to increase the molecular motion and thermally expand. Then, the hot air balloon 1 of the present embodiment can reduce the density of the air in the closed container 2 and generate buoyancy by discharging excess air from the pressure reducing valve 5 to the outside. Since the hot air balloon 1 of the present embodiment has buoyancy due to the air in the closed container 2, it is difficult for heat to escape to the outside, so that it is excellent in energy efficiency and can fly for a long time.

[0048] [Third Embodiment]

Next, a description will be given of one airship of the air vehicle according to the third embodiment of the present invention. FIG. 5 is a schematic diagram showing an airship 1 sack which is a third embodiment of an air vehicle according to the present invention.

[0049] airship 1 spoon of this embodiment, the compressor housing 2 ₃ housing the air, closed container 2

The heat source 3 housed inside 3, the support member 4 for supporting the heat source 3 away from the inner wall of the closed container 23, and the decompression for releasing the air in the closed container 23 provided in the closed container 23. a valve 5, pressure reducing valve 5 and the opening mechanism 1 7 for forcibly opening the, main propeller 1 2 and the auxiliary propeller 1 3 for generating a thrust, a plurality of determining the orientation of the closed container 2 ₃ posture control propeller 1 4 and

[0050] The heat source 3, the support member 4, and the pressure reducing valve 5 in the airship 1 in Fig. 5 may be the same as the heat source 3, the support member 4, and the pressure reducing valve 5 in the hot air balloon 1 in Fig. 1.

[0051] The opening mechanism 17 forcibly opens the pressure reducing valve 5 to take in outside air at the same time as heat dissipation and increase the density of air in the closed container 2 3 to close the closed container 2 3 Buoyancy can be reduced. As a result, the flying boat of the present embodiment can quickly descend.

[0052] airship 1 1_Rei Chi of the present embodiment, similarly to the airship 1 ₃ in FIG. 2, it is possible to fly in any direction over a long period of time.

[0053] [Fourth Embodiment]

Next, an airship 10 of a fourth embodiment of an air vehicle according to the present invention will be described. \¥0 2020/175463 10 卩 (: 171? 2020 /007434

.. FIG. 6 is a schematic diagram showing an airship 10 that is a second embodiment of an air vehicle according to the present invention.

[0054] airship 1 〇, the support member and the closed vessel 2 3, a heat source 3 to be yield capacity into the closed vessel 2 3, supports spaced apart the heat source 3 from the inner wall of the closed container 2 ₃ housing the air 4, provided in the closed vessel 2 3, a pressure reducing valve 5 releasing the air in the closed container 2 3 is provided in the closed vessel 2 _3, and the cavity down 6_Rei formed within the closed vessel 2 _3, An air supply mechanism 18 that introduces outside air into the air-containing space of the closed container 23, a main propulsion propeller 12 and a auxiliary propulsion propeller 13 that generate thrust, and a plurality of postures that determine the attitude of the closed container 2 3. Attitude control propeller 14 and.

The heat source 3, the support member 4 and the pressure reducing valve 5 in the airship 10 in FIG. 6 can be the same as the heat source 3, the support member 4 and the pressure reducing valve 5 in the hot air balloon 1 in FIG.

[0056] The cabin 60 is a space that is formed separately from the space that stores air in the closed container 23. The cabin 60 accommodates the air supply mechanism 18.

[0057] air supply mechanism 1 8 has a blow follower 1 1 9 pushed to suck outside air pressurizes the sealed container 2 in _3. In addition, the air supply mechanism 18 can be configured to have an air filter 20, an air dryer 21 and a stop valve 22.

[0058] air supply mechanism 1 8, the internal pressure of the closed vessel 2 ₃ while retained at a higher pressure than the ambient atmospheric pressure, it is possible to introduce outside air into the sealed container 2 in 3. The result was, because the density temperature is lowered in the air in the closed container 2 ₃ rises, the airship 1 〇 buoyancy beat low is lowered.

[0059] Since the internal pressure of the closed vessel 2 ₃ by using the air supply mechanism 1 8 is held high have pressure than the surrounding atmospheric pressure, the shape of the closed container 2 3 can be held by the internal pressure. Thus, the airship 1 〇 of the present embodiment can be simplify the configuration of the closed container 2 _3.

Further, by using the air supply mechanism 18 having the air filter 20 and the air dryer 21, clean and dry air can be supplied to the closed container 23. In addition, by using the air supply mechanism 18 having the stop valve 22, the blower 19 \\0 2020/175463 1 1 卩 (: 171? 2020 /007434

It is possible to prevent the air in the closed container 23 from leaking to the outside from the air supply mechanism 18 when the power supply is stopped.

[0061] The airship 1 of the present embodiment. Then, like the airship 13 in Figure 2 and the airship 1 in Figure 5, it can fly for a long period of time.

Although the preferred embodiments of the electronic device of the present invention have been described above, the present invention is not limited to the above-described embodiments and can be modified as appropriate.

[0063] The hot-air balloon closed container according to the embodiment of the present invention may be a hard envelope. Further, the airtight container of the airship according to the embodiment of the present invention may be a soft envelope.

[0064] Further, the hot air balloon according to the embodiment of the present invention may also include a fan for stirring the air in the closed container. On the contrary, the fan of the airship according to the embodiment of the present invention may be omitted.

The hot-air balloon according to the embodiment of the present invention may include at least one of a ventilation valve, a release mechanism, and an air supply mechanism. The airship according to the embodiment of the present invention may include two or more of a ventilation valve, a release mechanism, and an air supply mechanism.

In the aircraft according to the present invention, the heat source may be directly held on the inner wall of the closed container.

Explanation of symbols

[0067] 1 Hot air balloon (aircraft)

1 3 ,1 6 ,1 ○ Airship (aircraft)

2, 2 3 closed container

3 heat source

4 Support member

5 Pressure reducing valve

6 basket

60 〇 Cabin

7 Ventilation valve

8 Juan \¥02020/175463 12 ((17 2020/007434

1 7 Release mechanism

1 8 Air supply mechanism

Claims

\¥0 2020/175463 13 卩(：171? 2020/007434 Claims

[Claim 1] A closed container for containing air,

A heat source housed inside the closed container;

A pressure reducing valve provided in the closed container for discharging air in the closed container;

Aircraft equipped with.

[Claim 2] The air vehicle according to claim 1, further comprising a ventilation valve provided in the closed container and for introducing outside air into the closed container.

[Claim 3] The aircraft according to claim 1 or 2, further comprising an opening mechanism for forcibly opening the pressure reducing valve.

[Claim 4] The flight vehicle according to any one of claims 1 to 3, wherein the average temperature of the air in the closed container during flight is 100 ^° C or higher.

[Claim 5] The aircraft according to any one of claims 1 to 4, further comprising a support member that is provided in the closed container and supports the heat source away from an inner wall of the closed container. ..

[Claim 6] The aircraft according to any one of claims 1 to 5, wherein the heat source is a cold fusion heating device.