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String Wing UAV

An unmanned aerial vehicle (UAV) and tandem-wing technology, applied in the field of tandem-wing UAVs, can solve problems such as the limited use of tandem-wing UAVs, and achieve the goal of expanding use scenarios and applications, improving lift, and reducing take-off and landing sites. desired effect

Active Publication Date: 2020-02-07
BEIJING JINGDONG SHANGKE INFORMATION TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Existing string-wing UAVs include fuselage, front wings, rear wings, and front paddles located at the front of the fuselage. When taking off, the front paddles provide the power required for flight, but string-wing UAVs must rely runway for takeoff and landing
[0003] The inventor has found that there are at least the following problems in the prior art: in the prior art, the tandem-wing aircraft can only be used on occasions with runways, which makes the use of tandem-wing unmanned aerial vehicles very limited

Method used

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Embodiment Construction

[0027] Combine below Figure 1 ~ Figure 3 The technical solution provided by the present invention is described in more detail.

[0028] Explanation of technical terms or nouns used in this embodiment.

[0029] Chord: The distance from the leading edge to the trailing edge of an airfoil, measured parallel to the longitudinal axis of the fuselage.

[0030] Leading Edge: The frontmost point of an airfoil.

[0031] Trailing edge: The rearmost point of an airfoil.

[0032] Chord: The line connecting the leading and trailing edges.

[0033] Angle of attack: The angle between the forward direction of the wing (equivalent to the direction of the airflow) and the chord (different from the axis of the fuselage) is called the angle of attack or angle of attack, which is the benchmark for determining the attitude of the wing in the airflow.

[0034] Downwash: Refers to the downward movement of the airflow flowing through the wing when the wing generates lift, which is called downwash...

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Abstract

The invention discloses a tandem-wing unmanned aerial vehicle, relates to the field of logistics transportation, and is used for optimizing the performance of the existing tandem-wing unmanned aerial vehicle. The string-wing unmanned aerial vehicle comprises a fuselage, a front wing, a rear wing and a propeller assembly, and the position of the front wing is lower than that of the rear wing; Components are symmetrical. The above-mentioned technical scheme realizes the vertical lift and landing of the string-wing UAV on the premise of improving the lift force of the whole machine, reduces the requirements for the take-off and landing site when the string-wing UAV is working, and expands the range of the string-wing UAV. Scenarios and applications.

Description

technical field [0001] The invention relates to the field of logistics transportation, in particular to a string-wing unmanned aerial vehicle. Background technique [0002] Existing string-wing UAVs include fuselage, front wings, rear wings, and front paddles located at the front of the fuselage. When taking off, the front paddles provide the power required for flight, but string-wing UAVs must rely runway for takeoff and landing. [0003] The inventors have found that at least the following problems exist in the prior art: in the prior art, the tandem-wing aircraft can only be used on occasions with runways, which makes the use of tandem-wing unmanned aerial vehicles very limited. Contents of the invention [0004] One of the objectives of the present invention is to propose a tandem-wing UAV, which is used to optimize the performance of the existing tandem-wing UAV and expand the application occasions of the tandem-wing UAV. [0005] To achieve the above object, the pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B64C27/22B64C5/02B64C5/04
CPCB64C5/02B64C5/04B64C27/22B64U10/14B64U30/10
Inventor 刘城斌
Owner BEIJING JINGDONG SHANGKE INFORMATION TECH CO LTD
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