CN112550719A - Electric vertical take-off and landing aircraft capable of separating lift force component - Google Patents

Electric vertical take-off and landing aircraft capable of separating lift force component Download PDF

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Publication number
CN112550719A
CN112550719A CN202011513446.6A CN202011513446A CN112550719A CN 112550719 A CN112550719 A CN 112550719A CN 202011513446 A CN202011513446 A CN 202011513446A CN 112550719 A CN112550719 A CN 112550719A
Authority
CN
China
Prior art keywords
cabin
hanging cabin
landing
rotor
electric
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011513446.6A
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Chinese (zh)
Inventor
徐茂
陈国军
高志武
王乐
刘威
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China Helicopter Research and Development Institute
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China Helicopter Research and Development Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Helicopter Research and Development Institute filed Critical China Helicopter Research and Development Institute
Priority to CN202011513446.6A priority Critical patent/CN112550719A/en
Publication of CN112550719A publication Critical patent/CN112550719A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D9/00Equipment for handling freight; Equipment for facilitating passenger embarkation or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C25/00Alighting gear
    • B64C25/02Undercarriages
    • B64C25/04Arrangement or disposition on aircraft
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C27/00Rotorcraft; Rotors peculiar thereto
    • B64C27/04Helicopters
    • B64C27/08Helicopters with two or more rotors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C27/00Rotorcraft; Rotors peculiar thereto
    • B64C27/04Helicopters
    • B64C27/12Rotor drives
    • B64C27/14Direct drive between power plant and rotor hub
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D17/00Parachutes
    • B64D17/80Parachutes in association with aircraft, e.g. for braking thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D25/00Emergency apparatus or devices, not otherwise provided for
    • B64D25/08Ejecting or escaping means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D27/00Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
    • B64D27/02Aircraft characterised by the type or position of power plants
    • B64D27/24Aircraft characterised by the type or position of power plants using steam or spring force
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D45/00Aircraft indicators or protectors not otherwise provided for
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64UUNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U10/00Type of UAV
    • B64U10/10Rotorcrafts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64UUNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U50/00Propulsion; Power supply
    • B64U50/10Propulsion
    • B64U50/19Propulsion using electrically powered motors
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00Aeronautics or air transport
    • Y02T50/60Efficient propulsion technologies, e.g. for aircraft

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Remote Sensing (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention relates to the technical field of vertical take-off and landing aircrafts, in particular to an electric vertical take-off and landing aircraft with separable lifting force components. Comprises a lifting element (100), a suspended cabin (200) and a landing gear (300); the lifting element (100) is arranged above the hanging cabin (200) and is connected with the hanging cabin (200) by adopting a lock; the landing gear (300) is arranged below the hanging cabin (200) and is fixedly connected with the hanging cabin (200); the hanging cabin (200) is disconnected from the lock connection between the lifting force component (100) in the emergency state in danger and is opened by triggering. The electric vertical take-off and landing aircraft with the separable lifting force components has higher safety margin. The lift elements can be detached in the air, and a safe landing can be achieved even in the event of a power failure.

Description

Electric vertical take-off and landing aircraft capable of separating lift force component
Technical Field
The invention relates to a vertical take-off and landing aircraft, in particular to an electric vertical take-off and landing aircraft with separable lifting force components.
Background
In recent years, with the continuous development of urban air vehicle configurations, electric vertical take-off and landing aircrafts are receiving more and more extensive attention. The manned safety is the minimum requirement of urban low-altitude opening and is also an important factor which must be considered in the design of the electric vertical take-off and landing aircraft.
Even if the power of the traditional helicopter fails, the rotor wing mechanism can be operated to rotate and slide down to realize safe landing. However, the electric vertical take-off and landing aircraft adopts pure electric drive, the lifting force component has no control mechanism, and the electric drive is used for controlling the lifting force component in a full electric transmission way. In the air, once the power fails, the power failure is easy to cause disastrous accidents. Currently, power battery fire or failure issues remain unavoidable, and therefore higher safety margins must be compensated for electric vtol aircraft design.
The invention provides an electric vertical take-off and landing aircraft with a novel structure, which can separate a lifting force component in the air and can realize safe landing even if power fails. At present, no relevant technical scheme is disclosed in the prior art.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the defects in the prior art, the novel structural design scheme of the electric vertical take-off and landing aircraft capable of separating the lift force component in the air emergency is provided.
In order to achieve the purpose, the electric vertical take-off and landing aircraft with the separable lifting force components is characterized by comprising the lifting force components 100, a hanging cabin 200 and a landing gear 300, wherein the lifting force components 100 are arranged above the hanging cabin 200 and are connected with the hanging cabin 200 in a locking manner; the landing gear 300 is arranged below the hanging cabin 200 and is fixedly connected with the hanging cabin 200; the hanging cabin 200 is in emergency state in danger, the lock connection with the lifting force component 100 is disconnected, and the hanging cabin is triggered to be opened.
In one possible embodiment, the lift element 100 comprises a rotor assembly 101, a power assembly 102, a frame assembly 103; the lift element 100 is provided with a plurality of rotor assemblies 101, and the plurality of rotor assemblies 101 are radially and uniformly distributed around the lift element 100 and are symmetrical front and back or left and right; the rotor assembly 101 comprises a blade group 101A and a motor 101B, wherein the blade group 101A comprises an upper blade and a lower blade, and the motor 101B is arranged between the upper blade and the lower blade and is coaxial with the upper blade and the lower blade; the power assembly 102 is located in the region directly below the center of the lift element 100; the power assembly 102 comprises a battery pack 102A and a cable 102B; the rack assembly 103 comprises a duct portion 103A, rotor arms 103B and a central platform 103C, the rotor assembly 101 is installed inside the duct portion 103A, the rotor arms 103B are used for connecting the duct portion 103A and the central platform 103C, the rotor arms 103B are in a diagonal state, and an included angle theta exists between the rotor arms 103B and the vertical direction; said central platform 103C having a compartment for housing said power assembly 102; the power to drive the motor 101B is provided by a battery pack 102A mounted to a central platform 103C and transmitted via a cable 102B, which cable 102B runs inside the wing arm 103B.
In one possible embodiment, the hanging cabin 200 comprises a parachute 201, a cabin 202 and a buffering air bag 203, wherein the parachute 201 is arranged at the top of the outside of the hanging cabin 200, is in a compressed state in a normal flight state and can be triggered to open in a distress state; the cabin 202 is used for accommodating passengers or goods to be loaded, and the buffering air bag 203 is arranged at the bottom of the outer part of the hanging cabin 200, is also in a compressed state in a normal flight state, and can be triggered to be opened in an emergency state in danger.
In one possible embodiment, the number of rotor assemblies 101 may be one of 4, 6, 8, and preferably, the number of rotor assemblies 101 is 4.
In one possible embodiment, the number of the blades of the single pair of blades in the blade group 101A is 2-3, and the number of the blades of the upper and lower pairs of blades is equal.
In one possible embodiment, the battery pack of the power assembly includes one of a lithium battery or a hydrogen fuel cell, or a lithium-hydrogen hybrid.
In one possible embodiment, the lifting force component is connected with the hanging cabin by adopting an electric quick-release lock.
In one possible embodiment, the parachute opens automatically after the lift elements are detached.
In one possible embodiment, the buffering air bags are opened instantly when the suspended cabin is in landing collision after the lifting force components are separated.
In one possible embodiment, the gondola 200 further comprises an operating handle 204, and the operating handle 204 is operated without a linkage, and can control the pitch, roll, yaw, hover, etc. attitude of the aircraft.
The invention has the beneficial effects that:
compared with other electric vertical take-off and landing aircrafts, the electric vertical take-off and landing aircraft with the separable lifting force component has higher safety margin. The lift elements can be detached in the air, and a safe landing can be achieved even in the event of a power failure.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention
FIG. 2 is a schematic view of a rotor assembly of the present invention
FIG. 3 is a schematic diagram of the invention in landing with the lift elements separated
Wherein:
100-lift element, 101-rotor assembly, 101A-blade set, 101B-motor, 102-power assembly, 102A-battery set, 102B-cable, 103-frame assembly, 103A-duct portion, 103B-rotor arm, 103C-central platform; 200-hanging cabin, 201-parachute, 202-cabin, 203-buffering air bag; 300-undercarriage
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in FIG. 1, the electric vertical take-off and landing aircraft with separable lift elements is characterized by comprising a lift element 100, a hanging cabin 200 and a landing gear 300, wherein the lift element 100 is arranged above the hanging cabin 200 and is connected with the hanging cabin 200 by adopting a lock; the landing gear 300 is arranged below the hanging cabin 200 and is fixedly connected with the hanging cabin 200;
as shown in fig. 2, the lift element 100 includes a rotor assembly 101, a power assembly 102, a frame assembly 103; the lift element 100 is provided with a plurality of rotor assemblies 101, and the plurality of rotor assemblies 101 are radially and uniformly distributed around the lift element 100 and are symmetrical front and back or left and right; the rotor assembly 101 comprises a blade group 101A and a motor 101B, wherein the blade group 101A comprises an upper blade and a lower blade, and the motor 101B is arranged between the upper blade and the lower blade and is coaxial with the upper blade and the lower blade; the power assembly 102 is located in the region directly below the center of the lift element 100; the power assembly 102 comprises a battery pack 102A and a cable 102B; the rack assembly 103 comprises a duct portion 103A, rotor arms 103B and a central platform 103C, the rotor assembly 101 is installed inside the duct portion 103A, the rotor arms 103B are used for connecting the duct portion 103A and the central platform 103C, the rotor arms 103B are in a diagonal state, and an included angle theta exists between the rotor arms 103B and the vertical direction; said central platform 103C having a compartment for housing said power assembly 102; the power source for driving the motor 101B is provided by a battery pack 102A mounted on a central platform 103C and transmitted via a cable 102B, the cable 102B being routed inside the wing arm 103B;
as shown in fig. 3, the hanging cabin 200 comprises a parachute 201, a cabin 202 and a buffering air bag 203, wherein the parachute 201 is arranged at the top of the outside of the hanging cabin 200, is in a compressed state in a normal flight state, and can be triggered to open in an emergency state in danger; the cabin 202 is used for accommodating passengers or goods for loading, and the buffering air bag 203 is arranged at the bottom of the outside of the hanging cabin 200, is also in a compressed state in a normal flight state, and can be triggered to open in an emergency state in danger;
the electric vertical take-off and landing aircraft with the separable lift elements is characterized in that the number of the rotor assemblies 101 can be one of 4, 6 and 8, and preferably, the number of the rotor assemblies 101 is 4;
the number of the blades of a single pair of blades in the blade group 101A is 2-3, and the number of the blades of the upper and lower pairs of blades is equal;
the battery pack 102A may be one or a combination of lithium battery and hydrogen fuel cell;
the lifting force component 100 is connected with the hanging cabin 200 by an electric quick-release lock;
the parachute 201 opens automatically after the lift elements 100 are separated from the hanging cabin 200.
After the lift element 100 is separated from the hanging cabin 200, the buffering airbag 203 is automatically opened when the hanging cabin 200 is in a landing collision.
The gondola 200 also includes an operating handle 204, and the operating handle 204 is operated without a linkage, and can control the pitch, roll, yaw, hover, etc. attitude of the aircraft.
The angle θ between rotor arm 103B and vertical is in the range of 30-60 °.
The foregoing is merely a detailed description of the embodiments of the present invention, and some of the conventional techniques are not detailed. The scope of the present invention is not limited thereto, and any changes or substitutions that can be easily made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention. The protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (9)

1. An electric vertical take-off and landing aircraft with separable lift elements is characterized by comprising the lift elements (100), a hanging cabin (200) and landing gears (300); the lifting element (100) is arranged above the hanging cabin (200) and is connected with the hanging cabin (200) by adopting a lock; the landing gear (300) is arranged below the hanging cabin (200) and is fixedly connected with the hanging cabin (200); the hanging cabin (200) is disconnected from the lock connection between the lifting force component (100) in the emergency state in danger and is opened by triggering.
2. The electric VTOL aerial vehicle of claim 1, wherein the lift element (100) comprises a rotor assembly (101), a power assembly (102), a frame assembly (103);
the lift component (100) is provided with a plurality of rotor assemblies (101), and the rotor assemblies (101) are radially and uniformly distributed around the lift component (100) and are symmetrical front and back or left and right; the rotor assembly (101) comprises a blade group (101A) and a motor (101B), the blade group (101A) comprises an upper blade and a lower blade, and the motor (101B) is arranged between the upper blade and the lower blade and is coaxial with the upper blade and the lower blade; the power assembly (102) is located in a region directly below the center of the lift element (100); the power assembly (102) comprises a battery pack (102A) and a cable (102B); the rack assembly (103) comprises a duct part (103A), rotor arms (103B) and a central platform (103C), the rotor assembly (101) is installed inside the duct part (103A), the rotor arms (103B) are used for connecting the duct part (103A) and the central platform (103C), and the rotor arms (103B) are in a diagonal pulling state and form an included angle theta with the vertical direction; said central platform (103C) having a compartment for housing said power assembly (102); the power source for driving the motor (101B) is provided by a battery pack (102A) mounted to a central platform (103C) and transmitted via a cable (102B), the cable (102B) being routed within the wing arm portion (103B).
3. The electric vertical take-off and landing aircraft with separable lift elements according to claim 1, wherein the hanging cabin (200) comprises a parachute (201), a cabin (202) and a buffering air bag (203), wherein the parachute (201) is arranged at the top of the outside of the hanging cabin (200), is compressed in a normal flight state and can be triggered to open in a distress state; the cabin (202) is used for accommodating passengers or goods for loading, and the buffering air bag (203) is arranged at the outer bottom of the hanging cabin (200), is also in a compressed state in a normal flight state and can be triggered to open in an emergency state in danger.
4. The electric VTOL aerial vehicle of claim 1, wherein the lift unit (100) is connected with the hanging cabin (200) by electric quick-release lock.
5. The electric VTOL aerial vehicle of claim 3, wherein the parachute (201) opens automatically after the lift elements (100) are separated from the gondola (200).
6. The electric VTOL aerial vehicle of claim 3, wherein the buffering airbag (203) is automatically opened when the hanging cabin (200) is in landing collision after the lifting unit (100) is separated from the hanging cabin (200).
7. The electric VTOL aerial vehicle of claim 2, wherein the number of rotor assemblies (101) is one of 4, 6 and 8.
8. The aircraft of claim 2, wherein the battery pack (102A) is selected from one or more of lithium battery, hydrogen fuel cell, and combinations thereof.
9. The electric VTOL aerial vehicle of claim 2, wherein the angle θ between the rotor arms (103B) and the vertical is in the range of 30 ° -60 °.
CN202011513446.6A 2020-12-17 2020-12-17 Electric vertical take-off and landing aircraft capable of separating lift force component Pending CN112550719A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011513446.6A CN112550719A (en) 2020-12-17 2020-12-17 Electric vertical take-off and landing aircraft capable of separating lift force component

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011513446.6A CN112550719A (en) 2020-12-17 2020-12-17 Electric vertical take-off and landing aircraft capable of separating lift force component

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114248927A (en) * 2022-01-13 2022-03-29 南京理航智能科技有限公司 eVTOL manned unmanned aerial vehicle disconnect-type parachuting emergency escape system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205469819U (en) * 2016-01-12 2016-08-17 沈旭初 Manned type low latitude VTOL aircraft
CN206087255U (en) * 2016-10-09 2017-04-12 东莞前沿技术研究院 Emergent descending system of dirigible nacelle
CN108058833A (en) * 2017-12-03 2018-05-22 中国直升机设计研究所 A kind of list rotor unmanned helicopter parachute landing system
CN108528693A (en) * 2018-05-25 2018-09-14 张博 Manned equipment
US20180346136A1 (en) * 2017-06-01 2018-12-06 Surefly, Inc. Auxiliary power system for rotorcraft with folding propeller arms and crumple zone loading gear
CN109229352A (en) * 2018-10-30 2019-01-18 佛山市神风航空科技有限公司 A kind of more rotor manned aircraft
CN211808877U (en) * 2019-11-22 2020-10-30 南京华航翼飞行器技术有限公司 Semi-split type flying automobile

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205469819U (en) * 2016-01-12 2016-08-17 沈旭初 Manned type low latitude VTOL aircraft
CN206087255U (en) * 2016-10-09 2017-04-12 东莞前沿技术研究院 Emergent descending system of dirigible nacelle
US20180346136A1 (en) * 2017-06-01 2018-12-06 Surefly, Inc. Auxiliary power system for rotorcraft with folding propeller arms and crumple zone loading gear
CN108058833A (en) * 2017-12-03 2018-05-22 中国直升机设计研究所 A kind of list rotor unmanned helicopter parachute landing system
CN108528693A (en) * 2018-05-25 2018-09-14 张博 Manned equipment
CN109229352A (en) * 2018-10-30 2019-01-18 佛山市神风航空科技有限公司 A kind of more rotor manned aircraft
CN211808877U (en) * 2019-11-22 2020-10-30 南京华航翼飞行器技术有限公司 Semi-split type flying automobile

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114248927A (en) * 2022-01-13 2022-03-29 南京理航智能科技有限公司 eVTOL manned unmanned aerial vehicle disconnect-type parachuting emergency escape system

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Application publication date: 20210326