CN115180144A - Fixed wing strides medium ground effect aircraft - Google Patents
Fixed wing strides medium ground effect aircraft Download PDFInfo
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- CN115180144A CN115180144A CN202210826147.0A CN202210826147A CN115180144A CN 115180144 A CN115180144 A CN 115180144A CN 202210826147 A CN202210826147 A CN 202210826147A CN 115180144 A CN115180144 A CN 115180144A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C35/00—Flying-boats; Seaplanes
- B64C35/008—Amphibious sea planes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C35/00—Flying-boats; Seaplanes
- B64C35/005—Flying-boats; Seaplanes with propellers, rudders or brakes acting in the water
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C35/00—Flying-boats; Seaplanes
- B64C35/006—Flying-boats; Seaplanes with lift generating devices
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Abstract
The invention discloses a fixed wing cross-medium ground effect vehicle, which belongs to the technical field of vehicles and is characterized by comprising a pressure-resistant shell, wings, a tail wing, an air propeller, an underwater propeller, a driving unit, a control module system, an energy storage module and a positioning module; the pressure-resistant shell is a sealed shell with a pressure-resistant cavity inside; the wings are arranged on two sides of the pressure shell; the tail wing is arranged at the rear part of the pressure shell; the air propeller is arranged at the front end of the pressure-resistant shell; the underwater propeller is arranged at the rear end of the pressure shell; the driving unit is arranged in the pressure shell and used for driving the air propeller and the underwater propeller; the control module system, the energy storage module and the positioning module are arranged inside the pressure-resistant shell. According to the aircraft provided by the invention, in the state of flying in the air, the aircraft flies close to the sea surface to generate a ground effect, when the aircraft needs to enter water, the aircraft can dive into the water for diving and submerge only by adjusting the pitch angle, and the technical blank of a cross-medium working aircraft or an aircraft is filled.
Description
Technical Field
The invention belongs to the technical field of flight and underwater navigation equipment, and particularly relates to a fixed wing cross-medium ground effect vehicle.
Background
At present, the technical development of aircrafts and underwater vehicles is different day by day, and the underwater vehicle has very wide application in the fields of reconnaissance, exploration, search and rescue, communication and the like.
The ground effect vehicle is a high-speed vehicle. When the aircraft is flying close to the ground or water surface, additional power lift effects are generated by the air flowing through the narrow passages between the wings and the ground or water surface. The height at which the ground lift effect exists, referred to as the ground effect zone, is approximately equivalent to the span length. The closer to the ground, the stronger the ground effect. The WIG craft is a novel traffic transport tool for glancing over the ground or sea, which is developed by utilizing the aerodynamic ground effect principle. Since the WIG craft has a high speed like an airplane, it can fly close to the ground in theory, but actually can fly over the water only on rivers, lakes and seas without surface obstacles, and thus the WIG craft is also called a WIG craft.
The underwater vehicle is a navigation body navigating underwater, comprises a manned underwater vehicle and an unmanned underwater vehicle, and can complete underwater exploration, detection, even attack and defense in military and other tasks. In particular to an Autonomous Underwater Vehicle (AUV), which is a task controller integrating artificial intelligence and other advanced computing technologies, integrates high technologies such as a deep submergence vehicle, a sensor, an environmental effect, computer software, energy storage, conversion and propulsion, a new material and a new process, underwater intelligent equipment and the like, and is the main direction of research on underwater detection equipment in recent years.
It is easy to find that, both aircrafts and underwater vehicles can only work in a single medium, and with the continuous development of detection equipment and the improvement of ocean detection requirements, a cross-medium aircraft capable of flying in air flow and navigating underwater becomes an important research direction for better sensing multi-dimensional situation.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a fixed wing cross-medium ground effect aircraft which solves the technical blank of the existing non-cross-medium working aircraft or aircraft.
The invention is realized in this way, a fixed wing span medium ground effect vehicle, which is characterized in that the vehicle comprises a pressure-resistant shell, wings, a tail wing, an air propeller, an underwater propeller, a driving unit, a control module system, a posture adjusting unit, an energy storage module and a positioning module; the pressure-resistant shell is a sealed shell with a pressure-resistant cavity inside; the wings are arranged on two sides of the pressure shell; the tail fin is arranged at the rear part of the pressure shell; the air propeller is arranged at the front end of the pressure-resistant shell; the underwater propeller is arranged at the rear end of the pressure-resistant shell; the driving unit is arranged in the pressure shell and used for driving the air propeller and the underwater propeller; the control module system, the posture adjusting unit, the energy storage module and the positioning module are arranged inside the pressure-resistant shell.
In the above technical solution, preferably, the airfoil surface of the wing is triangular.
In the above technical solution, preferably, the pressure casing is composed of a front casing, a middle casing and a rear casing, the wing is connected to the middle casing and the rear casing, the tail wing is mounted to the rear casing, a buoyancy material is filled in a gap between the front casing, the middle casing and the rear casing, and the buoyancy material is communicated with an outer space of the pressure casing.
In the above technical solution, preferably, the driving unit includes a motor and an engine, the motor and the engine are connected with the air propeller and/or in a transmission manner, and the energy storage module is connected with the motor.
In the above technical solution, preferably, the energy storage module includes a fuel storage tank and a battery.
The invention has the advantages and effects that:
the invention provides an aircraft which can adapt to different medium environments (air and water), can keep the optimal aerodynamic performance in different medium environments, can freely span media, and can fly in the air or sail underwater, and breaks through the limitation that the traditional aircraft or the aircraft only works in a single medium environment. The cross-medium aircraft has the capabilities of flying in the air, sailing underwater, lifting on the water surface and the like, and can play an important role in the fields of military, communication, resource detection and the like.
On the other hand, in the flying state, the flying vehicle provided by the invention flies close to the sea surface to generate the ground effect, when the flying vehicle needs to enter water, the flying vehicle can dive into the water for diving only by adjusting the pitch angle, and the technical blank of the cross-medium working flying vehicle or the flying vehicle is filled.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a bottom view of the internal structure of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The fixed wing cross-medium ground effect aircraft aims at solving the technical blank of the existing non-cross-medium working aircraft or aircraft. To further illustrate the structure of the present invention, the following detailed description is made with reference to the accompanying drawings:
referring to fig. 1 and 2, the fixed wing span medium ground effect vehicle includes a pressure shell 1, a wing 2, a tail 3, an air propeller 4, an underwater propeller 5, a driving unit 6, a control module system, a posture adjusting unit, an energy storage module 7 and a positioning module 8.
The pressure-resistant housing is a sealed housing having a pressure-resistant chamber therein. In this embodiment, the pressure casing is composed of a front casing, a middle casing, and a rear casing, the middle casing is cylindrical, the front end surface of the front casing is a flow guide curved surface, and the front casing, the middle casing, and the rear casing form an AUV streamline shape design. The gaps among the front shell, the middle shell and the rear shell are filled with buoyancy materials, the buoyancy materials are communicated with the outer space of the pressure-resistant shell, and the buoyancy materials in the embodiment are waterproof foam buoyancy materials. The front, middle and rear housings are made of a lightweight pressure resistant material so that the pressure resistant housing is not damaged by load impact when the aircraft enters water from the air or enters the air from the water. Furthermore, the pressure-resistant shell is made of carbon fiber reinforced composite materials, and the front shell, the middle shell and the rear shell are integrally formed, sealed by flanges and dynamically sealed to improve the water sealing performance of the aircraft, so that the waterproof capacity of the aircraft is improved.
The wings are arranged on two sides of the pressure shell; the tail wing is arranged at the rear part of the pressure-resistant shell. Specifically, the wing surface of the wing is triangular, one right-angle side of the wing is connected with the pressure-resistant shell, the bevel edge is positioned at the rear side, namely the right-angle side of the wing is fixedly connected with the middle shell and the rear shell, and the tail wing is a vertical tail wing arranged on the rear shell.
The air propeller is arranged at the front end of the pressure shell; the underwater propeller is arranged at the rear end of the pressure shell. In this embodiment, the air screw is composed of three blades and a central hub, and the central hub is mounted at the front end of the pressure casing through a rotating shaft. The air propeller rotates to provide power for the flying vehicle to fly in the air. The underwater propeller is also called an underwater propeller thruster and mainly comprises blades and an external water distribution ring. The air propeller and the underwater propeller are both known fittings, and the connection relationship between the air propeller and the driving unit and the working principle are the conventional known technology.
The driving unit is arranged in the pressure shell and used for driving the air propeller and the underwater propeller. Specifically, the driving unit comprises a motor and an engine, the motor and the engine are connected with an air propeller and/or in a transmission mode, and the energy storage module is connected with the motor. The air propeller and the underwater propeller can be respectively connected with a set of motor and an engine, and can also be connected with a set of motor and an engine through a transmission clutch device. The driving unit drives one of the air propeller and the underwater propeller to act so as to provide power for the operation of the aircraft in water or air.
The control module system is arranged inside the middle shell and is a control panel. For controlling the flight or sailing state of the aircraft. By combining the scheme of the invention, a set of intelligent control algorithm which can simultaneously meet different fluid disturbance conditions in the air, on the water surface and under the water and an intelligent decision algorithm which can switch the control mode are designed, so that the aircraft can meet the free switching of multiple navigation modes.
The energy storage module is mounted inside the rear housing and includes components such as a fuel storage tank, a battery, and wiring for powering the aircraft.
The positioning module is a GPS navigation positioning module arranged in the front shell, consists of an inertial navigation system and a global positioning GPS, and is used for navigation positioning of the aircraft in the air or underwater.
When the aircraft flies in the air, the aircraft flies close to the water surface, and because the aircraft is close to the water surface, airflow flows backwards and downwards after flowing through the inverted triangular wings, a reaction force is generated on the water surface, so that the induced resistance of the aircraft is reduced, and a higher lift-drag ratio than that of the air flight can be obtained, namely a ground effect, so that the aircraft has high flying speed and strong maneuverability, can resist certain wave interference, and maintains stable flight; when the underwater vehicle is submerged, the aircraft can freely navigate in water like an underwater vehicle, and the inverted triangular wings can reduce the resistance when navigating underwater. The vertically fixed tail wing can balance the attitude of the aircraft in the air or under the water, and has good space direction conversion capability and the function of reducing resistance. An attitude adjusting unit for changing the pitching attitude of the aircraft is assembled in the pressure-resistant shell, the attitude adjusting unit is a known functional unit in the AUV aircraft, the system module system controls the attitude adjusting unit to adjust the pitching angle of the aircraft, and when the pitching angle is a positive value, the aircraft flies in an upward thrust mode or navigates; when the pitch angle is negative, the aircraft is either diving or sailing. When the underwater diving underwater vehicle needs to enter water, the underwater diving underwater vehicle can dive into the water for diving only by adjusting the pitch angle to be a negative value, and when the underwater diving vehicle needs to enter the air, the underwater diving underwater vehicle can dive out water to enter the air for flying only by adjusting the pitch angle to be a positive value.
In the embodiment, the aircraft adopts a hybrid power system (a motor and an engine), the motor is connected with the air propeller and the underwater propeller and drives the air propeller and the underwater propeller, and the engine does not participate in driving the air propeller and the underwater propeller. When the battery is full, the engine is not started, and when the battery is not full, the engine is started to charge the battery, and the engine automatically stops working after being full.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A fixed wing medium-spanning WIG craft comprising:
the pressure-resistant shell is a sealed shell with a pressure-resistant cavity inside;
wings arranged on both sides of the pressure casing;
a tail fin provided at a rear portion of the pressure-resistant casing;
an air screw attached to a front end of the pressure-resistant casing;
the underwater propeller is arranged at the rear end of the pressure-resistant shell;
the driving unit is arranged inside the pressure shell and used for driving the air propeller and the underwater propeller;
a control module system;
an attitude adjusting unit;
an energy storage module;
a positioning module;
the control module system, the posture adjusting unit, the energy storage module and the positioning module are arranged inside the pressure-resistant shell.
2. The fixed-wing cross-medium WIG craft of claim 1, wherein said wing airfoil is triangular.
3. The fixed-wing transmedium WIG craft as claimed in claim 2, wherein the pressure casing is composed of a front casing, a middle casing and a rear casing, the wings are connected with the middle casing and the rear casing, the empennage is installed on the rear casing, and a buoyancy material is filled in gaps among the front casing, the middle casing and the rear casing, and the buoyancy material is communicated with an outside space of the pressure casing.
4. The fixed-wing cross-medium WIG craft of claim 1, wherein said driven unit includes an electric motor and an engine, said electric motor and engine being connected to said air screw and/or transmission, said energy storage module being connected to said electric motor.
5. The fixed-wing span-medium WIG craft of claim 1, wherein said energy storage module comprises a fuel storage tank and a battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210826147.0A CN115180144A (en) | 2022-07-13 | 2022-07-13 | Fixed wing strides medium ground effect aircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210826147.0A CN115180144A (en) | 2022-07-13 | 2022-07-13 | Fixed wing strides medium ground effect aircraft |
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| Publication Number | Publication Date |
|---|---|
| CN115180144A true CN115180144A (en) | 2022-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210826147.0A Pending CN115180144A (en) | 2022-07-13 | 2022-07-13 | Fixed wing strides medium ground effect aircraft |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116198265A (en) * | 2023-05-06 | 2023-06-02 | 清航空天(北京)科技有限公司 | Cross-medium propulsion system and aircraft |
-
2022
- 2022-07-13 CN CN202210826147.0A patent/CN115180144A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116198265A (en) * | 2023-05-06 | 2023-06-02 | 清航空天(北京)科技有限公司 | Cross-medium propulsion system and aircraft |
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