Lift fan combined type folding wing flying minibus

Abstract

The invention discloses a lift fan combined type folding wing flying minibus. Comprising an automobile body (1), a front lift fan assembly (2), a rear lift fan assembly (3), posture balance fan assemblies (4) and composite folding wing assemblies (5), the front lift fan assembly (2) is arranged in a front engine bin of the automobile body (1), the rear lift fan assembly (3) is arranged in a tail box, the posture balance fan assemblies (4) are arranged on the two sides, and the composite folding wing assemblies (5) are arranged on the top in a bilateral symmetry mode. The unmanned aerial vehicle has the conventional road driving capacity, meanwhile has the high vertical take-off and landing capacity and further has the fixed-wing economical long-distance cruising capacity, and the size of a vehicle body is kept similar to that of an existing vehicle.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of flying minibus, and particularly relates to a lift fan composite folding wing flying minibus which can take off vertically and cruise with wings. BACKGROUND

[0002] With the development of economy, the ground traffic in cities is facing increasingly serious congestion problems, which reduces the social operation efficiency, delays the emergency response capability, and affects the logistics speed. Developing low-altitude airspace, developing flying cars and other low-altitude flying tools, and constructing a future three-dimensional and intelligent traffic system to alleviate the above-mentioned situation is an important development direction.

[0003] It is a dream of human to let cars fly into the sky for many years. In addition to the 5-seater flying car, off-road vehicle and the like for home use, commercial 12-seater or more-seater flying minibus and even flying bus and the like are also needed. They are important transportation tools for medium and short distance public air transportation as upgraded products of existing cars, and together with airplanes and helicopters, they will constitute the future three-dimensional traffic.

[0004] In addition to the original functions of the minibus, it is also necessary to integrate the power elements for vertical take-off and forward flight in the limited space of the outer shape size, and to integrate the wings for fixed-wing economic long-distance cruise. Because it needs to be used in the scene with more people and complex environment in the city, it cannot have exposed propellers and the like to avoid safety accidents caused by high-speed rotating propellers. The existing commercial flying car products have the disadvantages of needing to use special sites for take-off and landing, short flight distance, and too few passengers, which greatly limits the application scene and does not have the product power to replace existing cars.

[0005] For example, Chinese patent application publication No. CN103522858A published on January 22, 2014 discloses a flying passenger car. The wings are only stored by rotating or horizontally folding (folding the wings along the axis parallel to the chord direction of the wings), the single-wing area is insufficient, the lift is not enough, so the front and rear double wings are designed to be stored on the roof and the side of the vehicle body, which causes complex structure, weight increase, and also increases the difficulty of flight control. Moreover, there is no vertical lift element, and it cannot take off vertically and needs to rely on runway taxiing for take-off, which limits its use range. SUMMARY

[0006] The present application aims to solve the above-mentioned problems and provides a lift fan composite folding wing flying minibus which has the conventional highway driving capability, strong vertical take-off capability, fixed-wing economic long-distance cruise capability, and keeps the vehicle body size similar to the existing cars, can be parked in ordinary parking spaces, and can use existing highways, refueling stations, charging stations and other facilities.

[0007] The application discloses a flying minibus with a lift fan composite folding wing, which comprises a vehicle body, a front lift fan assembly, a rear lift fan assembly, an attitude balance fan assembly and a composite folding wing assembly.

[0008] The application discloses a flying minibus with a lift fan composite folding wing, which comprises a vehicle body, a front lift fan assembly, a rear lift fan assembly, an attitude balance fan assembly and a composite folding wing assembly.

[0009] The application discloses a flying minibus with a lift fan composite folding wing, which comprises a vehicle body, a front lift fan assembly, a rear lift fan assembly, an attitude balance fan assembly and a composite folding wing assembly.

[0010] The application discloses a flying minibus with a lift fan composite folding wing, which comprises a vehicle body, a front lift fan assembly, a rear lift fan assembly, an attitude balance fan assembly and a composite folding wing assembly.

[0011] The application discloses a flying minibus with a lift fan composite folding wing, which comprises a vehicle body, a front lift fan assembly, a rear lift fan assembly, an attitude balance fan assembly and a composite folding wing assembly.

[0012] The application discloses a flying minibus with a lift fan composite folding wing, which comprises a vehicle body, a front lift fan assembly, a rear lift fan assembly, an attitude balance fan assembly and a composite folding wing assembly.

[0013] The present application has obvious beneficial effects compared with the prior art. The two main lift fans provide vertical lift with high lift density and strong vertical take-off and landing capability. The front lift fan is fixed in the front engine compartment of the vehicle body and provides vertical lift during vertical take-off and landing, and is closed during fixed-wing flight or road travel. The sealing louvers and sealing / deflection louver guide vanes at the air inlet and outlet of the front lift fan are also closed. The rear lift fan located in the trunk and extending out of the vehicle provides vertical lift together with the front lift fan, and also provides forward flight power during flight of the minibus by backward tilting. The equipment utilization rate is high, the equipment configuration is reduced, and the weight of the flying minibus is reduced. The inclination of the rear lift fan and the rudder that can be deflected left and right at the air outlet of the rear lift fan are adjusted to realize the pitch and steering operations of the flying minibus, replace the traditional horizontal tail and vertical tail, and reduce the structure, size and weight of the flying minibus. The composite folding wing is connected to the movable wing base, which moves to the front end of the roof along the wing base sliding track when the wing is retracted, so as to install a longer wing. Before take-off, the movable wing base moves to the middle of the vehicle body to keep the balance of the vehicle. The composite folding wing is folded on the roof by rotating, longitudinal folding (folding the flap along the axis parallel to the wing span direction), and telescoping. The wing does not occupy the space inside the vehicle and does not exceed the length and width of the vehicle after folding, but only occupies a small space on the roof. After unfolding, the wing has sufficient area to generate sufficient lift for economic long-distance cruising. The wing strut is connected to the main wing bottom and the lower part of the vehicle body after the wing is unfolded, which enhances the structural strength of the wing and reduces the weight of the flying minibus. The flap connected to the main wing has the same function as the conventional aircraft flap, which is downwardly turned to provide more lift during take-off and landing to ensure smooth completion of take-off and landing, and is longitudinally folded on the main wing during road travel to occupy a small space. The telescopic wing is completely retracted into the main wing during road travel and is fully extended during take-off and landing to provide maximum lift. The wing tip is partially retracted into the main wing during flight to adjust the wing lift and reduce the drag. The all-moving wing tip at the wing tip of the telescopic wing can control the flight attitude of the flying minibus. The four telescopic attitude balance fans located on both sides of the vehicle body can effectively control the flight attitude at low speed to keep the vehicle body flying stably. The fans can be completely retracted into the vehicle body during road travel or high-speed flight. The entire flying minibus is designed without any exposed rotating blades, making take-off and landing safer. The size of all components after retraction is equivalent to that of an ordinary minibus, and the space occupied by the components exceeding the size of the vehicle body is not large. No special site such as an airport is needed, and only a small site is needed for take-off and landing, making it widely applicable. The present application has strong vertical take-off and landing capability, economic cruising capability, and road travel capability, and the size of the vehicle body is similar to that of the existing minibus, which can be parked in an ordinary parking space and can use existing roads, fueling stations, charging stations and other facilities.The comprehensive advantages are prominent, and have broad market prospects. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a structural schematic diagram of the present application (lift fan and folded wing unfolded state diagram);

[0015] Figure 2 is a lift fan and wing part unfolded state diagram a of the present application;

[0016] Figure 3 is a lift fan and wing part unfolded state diagram b of the present application;

[0017] Figure 4 is a wing folding and lift fan retracting state diagram of the present application;

[0018] Figure 5 is a top view of the present application in a vertical take-off and landing state with the wing and lift fan completely unfolded;

[0019] Figure 6 is a bottom view of the present application in a vertical take-off and landing state with the wing and lift fan completely unfolded;

[0020] Figure 7 is a wing unfolded flight state diagram a of the present application;

[0021] Figure 8 is a wing unfolded flight state diagram a of the present application;

[0022] Figure 9 is an exploded view of the front lift fan assembly of the present application.

[0023] Markings in the figure:

[0024] 1. Car body, 2. Front lift fan assembly, 3. Rear lift fan assembly, 4. Attitude balance fan assembly, 5. Compound folding wing assembly, 5-1 Main wing, 5-2 Flap, 5-3 Telescopic wing, 5-4 Full-motion wing tip, 6. Mobile wing base, 7. Telescopic tail box door, 8. Wheel brow fairing, 9. Rudder, 10. Sealing / deflection louver fairing, 11. Sealing louver, 12. Wing strut, 13. Wing base sliding rail DETAILED DESCRIPTION

[0025] The specific embodiments, structures, features and effects of a lift fan compound folding wing flying minibus of the present application will be described in detail below in combination with the drawings and preferred embodiments.

[0026] As Figures 1-9As shown, the lift fan composite folding wing flying minibus of the present application comprises a vehicle body 1, a front lift fan assembly 2, a rear lift fan assembly 3, an attitude balance fan assembly 4 and a composite folding wing assembly 5. The front lift fan assembly 2 is arranged in the front engine compartment of the vehicle body 1. As shown, the air inlet of the front lift fan assembly 2 is provided with a sealing louver 11, and the air outlet is provided with a sealing / deflection louver 10. Figure 8 As shown, the air inlet of the front lift fan assembly 2 is provided with a sealing louver 11, and the air outlet is provided with a sealing / deflection louver 10.

[0027] As shown, the air inlet of the front lift fan assembly 2 is provided with a sealing louver 11, and the air outlet is provided with a sealing / deflection louver 10. Figure 7 The rear lift fan assembly 3 is arranged in the tail box of the vehicle body 1. The air outlet of the rear lift fan assembly 3 is provided with a rudder 9. The rudder 9 is composed of a plurality of louvers. The two ends of each louver are movably fixed to the hub at the air outlet of the rear lift fan assembly 3. Each louver is synchronously deflected in the same direction. The rudder 9 changes the left and right directions of the jet flow of the lift fan 1 by synchronously deflecting each louver left and right, so as to realize the steering of the flying minibus and replace the vertical tail of the traditional airplane. The flying minibus has a simple structure and a reduced weight. Before the rear lift fan assembly 3 is retracted into the flying minibus, the rudder 9 is deflected by 90 degrees and can be completely retracted into the rear lift fan assembly 3, without occupying space.

[0028] The attitude balance fan assembly 4 is arranged on both sides of the vehicle body 1.

[0029] The vehicle body 1 is provided with a movable wing base 6 on the top. The composite folding wing is connected to the movable wing base 6. The movable wing base 6 can slide along the wing base sliding track 13.

[0030] The vehicle body 1 is provided with a composite folding wing assembly 5 (rotatable, longitudinally foldable and telescopic) on the top and symmetrically on both sides. The composite folding wing assembly 5 is composed of a main wing 5-1, a flap 5-2, a telescopic wing 5-3 and a full-motion wing tip 5-4. The main wing 5-1 is connected to the wing fixed base 6 on the top of the vehicle body 1 through a rotating shaft and is a main load-bearing element. The main wing 5-1 is also a base for connecting the flap and the telescopic wing. After the wing is unfolded, the wing support rod 12 is connected to the bottom of the main wing 1 and the lower part of the vehicle body 1, so as to enhance the structural strength of the wing and reduce the weight of the airplane. The flap 5-2 is connected to the main wing 5-1 through a bidirectional hinge. When retracted, the flap 5-2 is folded upward on the main wing 5-1. When taking off and landing, the flap 5-2 is flipped downward, so as to improve the lift of the main wing. The telescopic wing 5-3 is nested in the main wing 5-1. When taking off and landing, the telescopic wing 5-3 is extended outside the main wing 5-1, so as to increase the wing span and improve the lift of the wing. The full-motion wing tip 5-4 is installed at the end of the telescopic wing 5-3. By rotating the full-motion wing tip 5-4, the flight attitude of the flying minibus can be adjusted.

[0031] The vehicle body 1 is provided with a telescopic tail box door 7 at the tail. The vehicle body 1 is provided with a wheel brow fairing 8 at each wheel brow.

[0032] The automobile body 1 is a basic component of a conventional automobile, such as a chassis, a vehicle body, an instrument electrical system, a suspension system, a steering system, a driving system, a safety protection system, and the like.

[0033] Working principle:

[0034] The lift fan composite folding wing flying minibus automobile of the present application includes three working modes: land driving mode, vertical lift mode and fixed wing flight mode. The land driving mode functions as a conventional automobile, realizing the start / stop, acceleration / deceleration, steering, light signal guarantee and safety guarantee requirements of the flying minibus automobile on the ground; the vertical lift mode utilizes the front lift fan assembly 2 and the rear lift fan assembly 3 on the automobile body 1, and the four attitude balance fan assemblies 4 on both sides of the automobile body 1, to realize the stable vertical take-off and landing of the automobile body 1, and realizes the forward flight of the flying minibus automobile by gradually deflecting the sealing / deflecting louver guide vane 10 at the outlet of the front lift fan assembly 2 and gradually tilting the rear lift fan assembly 3 arranged at the tail of the automobile body; the fixed wing flight mode unfolds the composite folding wing assembly 5 arranged on the top of the automobile body 1 by outward rotation, flattening and extension, connects the wing support rod 12 to the bottom of the main wing 1 and the lower part of the automobile body 1 after the wing assembly 5 is unfolded, and when the flying minibus automobile is vertically lifted in the air and the forward flight speed of the flying minibus automobile is sufficient to maintain the flight of the flying minibus automobile, the rear lift fan assembly 3 is tilted to a backward jet angle, the front lift fan is closed, and the sealing louver 11 and the sealing / deflecting louver guide vane 10 at the inlet and outlet of the front lift fan are also closed, and the four attitude balance fan assemblies are retracted, at this time the flying minibus automobile is cruising economically in flight using the lift of the fixed wing.

[0035] As shown in Figure 1 , when the lift fan composite folding wing flying minibus automobile of the present application is driving on land, the sealing louver 11 and the sealing / deflecting louver guide vane 10 are in a closed state, the rear lift fan assembly 3 is retracted inside the automobile body 1, the telescopic tail box door 11 at the tail end of the automobile body 1 is in a closed state, the movable wing base 6 is moved to the front end of the roof, the composite folding wing assembly 5 on the top of the automobile body 1 is in a retracted state, and the four attitude balance fan assemblies 4 on both sides of the automobile body 1 are in a retracted state, at this time the flying minibus automobile is in land driving mode, the size of the flying minibus automobile body is only equivalent to that of an ordinary minibus, the flying minibus automobile driven by an electric motor can drive on existing roads and park in ordinary parking spaces, and has all the functions of an ordinary minibus.

[0036] The process of unfolding the wing and the lift fan (the sequence is as shown in Figure 4 、 Figure 3 、 Figure 2 、 Figure 1As shown), before the lifting fan composite folding wing flying minibus of the present invention enters vertical take-off and landing mode, the sealing louvers 11 and the sealing / deflecting louver guide vanes 10 are both opened. The telescopic tailgate 11 at the rear end of the vehicle body 1 opens upward at 90 degrees and retracts into the vehicle body 1 along the slide rail. The rear lifting fan assembly 3 at the rear of the vehicle body 1 extends out of the vehicle body 1 along the slide rail. The four attitude balancing fan assemblies 4 on both sides of the vehicle body 1 extend to both sides of the vehicle body. The composite folding wing assembly 5 at the top of the vehicle body 1 unfolds by rotating outward, flattening, and extending. After the wing assembly 5 unfolds, the wing strut 12 connects to the bottom of the main wing 1 and the lower part of the vehicle body 1. At this time, the flying minibus is in vertical take-off and landing mode. Activating the lifting fan assemblies driven by the motor will allow the flying minibus to take off and land vertically.

[0037] like Figure 7 As shown, after the vertical takeoff of the lift fan composite folding wing flying minibus of the present invention, the sealing / deflection louver guide vane 10 at the air outlet of the front lift fan assembly 2 and the rear lift fan assembly 3 at the rear of the vehicle body are gradually tilted, so that the front lift fan assembly 2 and the rear lift fan assembly 3 generate forward thrust, realizing the forward flight of the flying minibus. The flight speed increases as the tilt angle of the rear lift fan assembly 3 increases.

[0038] like Figure 1 As shown, the four attitude balancing fan assemblies 4 on both sides of the vehicle body 1 are always in the extended state when the flying minibus is in a vertical lift or when the flight speed is insufficient for the all-moving wingtips 9 to maintain the flight attitude. The rotation speed and direction of the four attitude balancing fan assemblies 4 are controlled by the electronic control system to control the flight attitude of the flying minibus.

[0039] like Figure 7 As shown, when the flying minibus of the present invention takes off vertically and flies forward, and its flight speed in the air is sufficient for the lift generated by the wings to maintain the flight of the flying minibus, the rear lift fan assembly 3 will tilt completely backward to the horizontal direction. The thrust generated by the lift fan assembly 3 will act entirely on the forward flight of the flying minibus. At this time, the front lift fan assembly 2 will be closed, the sealing louvers 11 and the sealing / deflecting louver guide vanes 10 will be closed, and the four attitude balancing fan assemblies 4 on both sides of the vehicle body 1 will be retracted into the vehicle body. The flying minibus is in fixed-wing flight mode. The flying minibus flies by the lift of the wings and only needs to overcome air resistance to fly forward. The economy and range of the flight are optimized.

[0040] By adjusting the tilt angle of the rear lift fan assembly 3 at the rear of the flying minibus and deflecting the rudder 9 at the air outlet of the rear lift fan assembly 3, the flying minibus can pitch and turn in the air, replacing the vertical and horizontal tails of conventional aircraft and reducing the structure and weight of the flying minibus.

[0041] When the flying speed is enough to generate enough lift, the wing tip 5-4 is rotated to adjust the rolling attitude of the flying minibus.

[0042] The wheel arch fairing 8 at the wheel arch of the four wheels of the flying minibus body 1 can reduce air resistance.

[0043] The wing base sliding track 13 is embedded in the top of the flying minibus body 1, and the movable wing base 6 can slide forward and backward on the track. When the flying minibus runs on land, the movable wing base 6 is moved to the front end of the roof, so that longer wings can be installed to ensure the need of flying. Before flying, the movable wing base 6 is moved to the middle of the vehicle to keep the balance of the vehicle.

[0044] The pictures described in this article are all explained by a 12-seat flying minibus, which is only a preferred embodiment of the present application. Other seat levels of minibus or bus vehicles designed according to the principle of the present application are also within the protection scope of the present application.

Claims

1. A flying minivan comprising a minivan body (1), a front lift fan assembly (2), a rear lift fan assembly (3), an attitude balancing fan assembly (4), and a composite folding wing assembly (5), wherein: The front engine compartment of the automobile body (1) is provided with a front lift fan assembly (2), the trunk is provided with a rear lift fan assembly (3), both sides are provided with a posture balance fan assembly (4), and the top is provided with a composite folding wing assembly (5) symmetrically left and right.

2. The lift fan hybrid folding wing in-flight bus of claim 1, wherein: The composite folding wing assembly (5) is composed of a main wing (5-1), a flap (5-2), a telescopic wing (5-3) and a full-motion wing tip (5-4), the main wing (5-1) is connected to the moving wing base (6) on the top of the automobile body (1) through a rotating shaft, the flap (5-2) is connected to the main wing (5-1) through a bidirectional hinge, the telescopic wing (5-3) is installed in the main wing (5-1), and the full-motion wing tip (5-4) is installed at the end of the telescopic wing (5-3).

3. The flying minibus with a lift fan composite folding wing as described in claim 1, characterized in that: The air inlet of the front lift fan assembly (2) is provided with a sealing louver (11), and the air outlet is provided with a sealing / deflection louver (10).

4. The lift fan hybrid folding wing in-flight bus of claim 1, wherein: The rear lift fan assembly (3) is provided with a rudder (9) at the air outlet.

5. The flying minibus with a lift fan composite folding wing as described in claim 1, characterized in that: The automobile body (1) is provided with a telescopic trunk door (7) at the tail.

6. The lift fan hybrid folding wing in-flight bus of claim 1, wherein: The automobile body (1) is provided with a wheel arch fairing (8) at the wheel arch of each wheel.

7. The lift fan hybrid folding wing in-flight bus of claim 1, wherein: The wing support rod (12) is connected to the bottom of the main wing (5) and the lower part of the automobile body (1).

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