WO2018214224A1 - 无人机 - Google Patents

无人机 Download PDF

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Publication number
WO2018214224A1
WO2018214224A1 PCT/CN2017/090412 CN2017090412W WO2018214224A1 WO 2018214224 A1 WO2018214224 A1 WO 2018214224A1 CN 2017090412 W CN2017090412 W CN 2017090412W WO 2018214224 A1 WO2018214224 A1 WO 2018214224A1
Authority
WO
WIPO (PCT)
Prior art keywords
drone
protective cover
top surface
rotor assemblies
rotating shaft
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.)
Ceased
Application number
PCT/CN2017/090412
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English (en)
French (fr)
Inventor
刘利剑
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SZ DJI Technology Co Ltd
Original Assignee
SZ DJI Technology Co Ltd
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 SZ DJI Technology Co Ltd filed Critical SZ DJI Technology Co Ltd
Priority to CN201780065353.1A priority Critical patent/CN109863083A/zh
Publication of WO2018214224A1 publication Critical patent/WO2018214224A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U10/00—Type of UAV
    • B64U10/10—Rotorcrafts
    • B64U10/13—Flying platforms
    • B64U10/14—Flying platforms with four distinct rotor axes, e.g. quadcopters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U30/00—Means for producing lift; Empennages; Arrangements thereof
    • B64U30/20—Rotors; Rotor supports
    • B64U30/26—Ducted or shrouded rotors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U30/00—Means for producing lift; Empennages; Arrangements thereof
    • B64U30/20—Rotors; Rotor supports
    • B64U30/29—Constructional aspects of rotors or rotor supports; Arrangements thereof
    • B64U30/293—Foldable or collapsible rotors or rotor supports

Definitions

  • the invention relates to the field of flight technology, and in particular to a drone.
  • the multi-rotor drone is a vertical take-off and landing aircraft with novel structure and superior performance. It has the characteristics of simple operation and strong carrying capacity, and has extremely important military and civilian value.
  • embodiments of the present invention need to provide a drone.
  • the invention provides a drone, the drone comprising:
  • a body comprising a top surface and a bottom surface
  • the rotor assembly mounted on the top surface When the drone is deployed, the rotor assembly mounted on the top surface is deployed and can remain outside the range of the top surface, the rotor assembly mounted on the bottom surface unfolds and can remain in the Outside the bottom surface; when the drone is folded, the rotor assembly mounted on the top surface is folded and can be partially or fully retained within the top surface range, and the rotor assembly mounted on the bottom surface Folded and can be partially or fully held within the range of the bottom surface.
  • a plurality of the rotor assemblies are evenly distributed around the center of the body.
  • the number of the plurality of rotor assemblies is an even number, and two adjacent ones of the rotor assemblies are mounted on the top surface and the bottom surface, respectively.
  • the body is rectangular, and the number of the plurality of rotor assemblies is four, and the four rotor assemblies are respectively disposed at four corners of the body, two adjacent to two corners.
  • the rotor assemblies are mounted on the top surface and the bottom surface, respectively.
  • each of the rotor assemblies includes:
  • a protective cover rotatably mounted on the top surface or the bottom surface;
  • propeller being coupled to the motor, the blades of the propeller being completely received within the protective cover.
  • the protective cover comprises:
  • the body is formed with a receiving cavity, the body includes opposite inner and outer sidewalls, and the inner sidewall is located in the receiving cavity;
  • the mounting seat is disposed in the receiving cavity, and the motor is installed in the mounting seat;
  • each connecting member is connected to the mounting seat, and the other end is connected to the inner side wall.
  • the receiving cavity is circular, triangular, rectangular, elliptical, or polygonal.
  • the body further includes a mounting portion integrally extending from the outer sidewall, the mounting portion for rotatably coupling the protective cover to the body.
  • the mounting portion is provided with a mounting hole
  • the drone further includes a rotating shaft disposed on the body, and the mounting hole on the mounting portion is sleeved on the body
  • the protective cover is rotatable about the rotating shaft on the rotating shaft;
  • the mounting portion is provided with a rotating shaft
  • the mounting body is provided with a mounting hole
  • the rotating shaft on the mounting portion is rotatably disposed in the mounting hole on the body, and the rotating shaft rotates to drive the rotating shaft
  • the protective cover rotates.
  • the mounting portion includes a right angle end that is remote from the outer sidewall.
  • the mount is disposed at a center of the receiving cavity, and the plurality of connectors are evenly distributed around the mount.
  • the body includes upper and lower surfaces that are opposite each other and are coupled to the inner and outer sidewalls,
  • the protective cover further includes a mesh end plate disposed on the upper surface, the mounting seat being located between the mesh end plate and the lower surface; or
  • the protective cover further includes a mesh end plate disposed on the lower surface, the mounting seat being located between the mesh end plate and the upper surface; or
  • the protective cover further includes two mesh end plates, the two mesh end plates are respectively disposed on the upper surface and the lower surface, and the mounting seat is located between the two mesh end plates .
  • the drone provided by the invention is rotatably mounted on the top surface and the bottom surface by using a rotor assembly, so that no When the man-machine is in the flight state, the rotor assembly is folded to avoid exposure, reducing the space occupied, and it is necessary to avoid the need for a special storage box, which is very convenient to carry.
  • FIG. 1 is a plan view showing an unfolded state of a drone according to an embodiment of the present invention
  • FIG. 2 is a front elevational view showing the unfolded state of the unmanned aerial vehicle according to an embodiment of the present invention
  • FIG. 3 is a plan view showing a folded state of the unmanned aerial vehicle according to an embodiment of the present invention.
  • FIG. 4 is a front elevational view showing the folded state of the unmanned aerial vehicle according to an embodiment of the present invention.
  • FIG. 5 is a plan view showing an unfolded state of the unmanned aerial vehicle according to an embodiment of the present invention.
  • FIG. 6 is a cross-sectional view showing a protective cover of a drone according to an embodiment of the present invention.
  • FIG. 7 is a schematic cross-sectional view of a protective cover for a drone according to an embodiment of the present invention.
  • FIG. 8 is a cross-sectional view of a UAV protection cover according to an embodiment of the present invention.
  • the drone 100 The drone 100, the body 10, the top surface 12, the bottom surface 14, the rotating shaft 16, the rotor assembly 20, the protective cover 22, the protective cover 22, the mounting seat 224, the connecting member 226, the receiving cavity 220, the inner side wall 221, the outer side wall 223, Mounting portion 228, mounting hole 229, upper surface 225, lower surface 227, mesh end plates 232, 234.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” or “second” may include one or more of the described features either explicitly or implicitly.
  • the meaning of "a plurality” is two or more unless specifically and specifically defined otherwise.
  • connection In the description of the present invention, it should be noted that the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; may be mechanically connected, may be electrically connected or may communicate with each other; may be directly connected, or may be indirectly connected through an intermediate medium, may be internal communication of two elements or interaction of two elements relationship.
  • Connected, or integrally connected may be mechanically connected, may be electrically connected or may communicate with each other; may be directly connected, or may be indirectly connected through an intermediate medium, may be internal communication of two elements or interaction of two elements relationship.
  • the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
  • the first feature "on” or “under” the second feature may include direct contact of the first and second features, and may also include first and second features, unless otherwise specifically defined and defined. It is not in direct contact but through additional features between them.
  • the first feature "above”, “above” and “above” the second feature includes the first feature directly above and above the second feature, or merely indicating that the first feature level is higher than the second feature.
  • the first feature “below”, “below” and “below” the second feature includes the first feature directly below and below the second feature, or merely the first feature level being less than the second feature.
  • an unmanned aerial vehicle 100 is a multi-rotor aircraft, that is, an aircraft having a plurality of rotor assemblies 20 .
  • the drone 100 includes a body 10 and a plurality of rotor assemblies 20.
  • the body 10 includes a top surface 12 and a bottom surface 14 opposite to each other.
  • the top surface 12 is further away from the ground than the bottom surface 14 in the direction of the sky height.
  • a portion of the plurality of rotor assemblies 20 are rotatably mounted on the top surface 12, and the remaining portion of the rotor assembly 20 is rotatably mounted on the bottom surface 14 such that the drone 100 can be deployed Folded state.
  • the rotor assembly 20 can be rotated at any angle and maintained at a position corresponding to the arbitrary angle.
  • the rotor assembly 20 mounted on the top surface 12 is deployed and can be held outside the range of the top surface 12.
  • the rotor assembly 20 mounted on the bottom surface 14 is deployed and capable of being deployed. It remains outside the range of the bottom surface 14.
  • the rotor assembly 20 mounted on the top surface 12 is folded and can be partially or fully retained within the range of the top surface 12, and the rotor assembly 20 mounted on the bottom surface 14 Folded and can be partially or fully retained within the range of the bottom surface 14.
  • the deployed state of the drone 100 can be various, and is not limited to the deployment shown in FIGS. 1 and 2 .
  • the state may also be an unfolded state as shown in FIG. 5, or an unfolded state of the rotor assembly 20 at other angles, as long as the rotor assembly 20 mounted on the top surface 12 can be maintained outside the range of the top surface 12, mounted on the bottom surface.
  • the rotor assembly 20 on the 14 can be held outside of the bottom surface 14 to be able to perform a mission.
  • the folding state of the drone 100 can also be various, and is not limited to the full folding shown in FIGS.
  • the rotor assemblies 20 mounted on the top surface 12 are all kept within the range of the top surface 12
  • the rotor assembly 20 mounted on the bottom surface 14 is all maintained within the range of the bottom surface 14 and the folded state of the drone 100 may also be partially folded, i.e., a portion of the rotor assembly 20 mounted on the top surface 12 remains on the top surface.
  • a portion extends beyond the extent of the top surface 12
  • a portion of the rotor assembly 20 mounted on the bottom surface 14 remains within the range of the bottom surface 14, with a portion extending beyond the extent of the bottom surface 14.
  • the drone 100 provided by the present invention is rotatably mounted on the top surface 12 and the bottom surface 14 by using the rotor assembly 20, so that the rotor assembly 20 is folded when the drone 100 is in the grounding state, thereby avoiding exposure and reducing the occupied space. Need to avoid the need for a special storage box, very convenient to carry. Moreover, when the drone 100 is in the deployed state shown in FIG. 1, it is possible to ensure that the wheelbase between the rotor assemblies 20 is as large as possible, thereby improving the stability of the flight of the drone 100.
  • the body 10 includes a transverse central axis MM, a longitudinal central axis NN, and a center O, the center O being the intersection of the transverse central axis MM and the longitudinal central axis NN.
  • the number of rotor assemblies 20 is four, and the distribution of the four rotor assemblies 20 can be as follows: first, adjacent two rotor assemblies 20 are symmetrically disposed about a transverse central axis MM, or adjacent two rotor assemblies 20 are about a longitudinal center.
  • the axis NN is symmetrically set. Second, the four rotor assemblies 20 are evenly distributed around the center O. Regardless of the distribution of the rotor assembly 20, the drone 100 can be made smooth.
  • adjacent two rotor assemblies 20 are mounted on the top surface, respectively. 12 and the bottom surface 14, thereby achieving the wrong setting of the four rotor assemblies 20, further reducing the volume of the unmanned aerial vehicle 100 after folding, compact and convenient to carry.
  • the body 10 has a rectangular shape, and four rotor assemblies 20 are respectively disposed at four corners of the body 10 , and two rotor assemblies 20 adjacent to the two corners are respectively mounted on the top surface 12 and On the bottom surface 14, thereby achieving a high height setting of the four rotor assemblies 20, the volume of the unmanned drone 100 after folding is further reduced, which is compact and convenient to carry.
  • the shape of the body 10 is not limited to being a rectangle, and may be any shape such as a triangle, a circle, an ellipse, a rectangle, or the like.
  • the drone 100 is not limited to the four-rotor aircraft in the above embodiment, and may also be a six-rotor aircraft, an eight-rotor aircraft, a twelve-rotor aircraft, etc., and the drone 100 preferably includes an even number of rotor assemblies 20
  • the adjacent two rotor assemblies 20 of the even number of rotor assemblies 20 are mounted on the top surface 12 and the bottom surface 14, respectively, thereby achieving an offset setting of an even number of rotor assemblies 20, further reducing the folded drone 100.
  • An even number of rotor assemblies 20 are evenly distributed around the center O to improve the smoothness of the flight of the drone 100.
  • the drone 100 includes a body 10 and four rotor assemblies 20 .
  • the body 10 has a rectangular shape, and four rotor assemblies 20 are respectively disposed at four corners of the body 10.
  • Two rotor assemblies 20 adjacent to the two corners are respectively mounted on the top surface 12 and the bottom surface 14.
  • the head portion is provided with Two rotor assemblies 20, one of which is mounted on the top surface 12 and the other of which is mounted on the bottom surface 14.
  • the tail portion is provided with two rotor assemblies 20, one of which is mounted on the top surface 12 and the other of which is mounted on the bottom surface 14.
  • Each rotor assembly 20 includes a protective cover 22, a motor (not shown), and a propeller (not shown).
  • the protective cover 22 is rotatably mounted on the top surface 12 or the bottom surface 14.
  • the motor is mounted within the protective cover 22.
  • the propeller is coupled to the motor, and the blades of the propeller are completely housed within the protective cover 22.
  • the protective cover 22 includes a body 222, a mounting seat 224 and a plurality of connecting members 226.
  • the body 222 is formed with a receiving cavity 220.
  • the body 222 includes opposite inner sidewalls 221 and outer sidewalls 223.
  • the inner sidewall 221 is located in the receiving cavity 220, and the outer sidewall 223 is located outside the receiving cavity 220.
  • the mounting seat 224 is disposed in the receiving cavity 220, and the motor is mounted in the mounting seat 224.
  • a plurality of connecting members 226 are disposed in the receiving cavity 220. One end of each connecting member 226 is connected to the mounting seat 224, and the other end is connected to the inner side wall 224.
  • the main body 222 has a substantially annular structure
  • the receiving cavity 220 has a circular shape
  • the mounting seat 224 is located at the center of the receiving cavity 220.
  • the number of the plurality of connecting members 226 is four, and is uniformly surrounded by the mounting seat 224. It is distributed in a radial shape.
  • the body 222 can be This is accomplished by rotationally mounting to the top surface 12 or the bottom surface 14.
  • a mounting hole is directly formed in the body 222, and the rotating shaft is disposed on the body 10, and the rotating shaft is sleeved in the mounting hole so that the body 222 can rotate around the rotating shaft, and the pre-tightening force is enabled to enable the body 222 to be fixedly held.
  • the body 222 is provided with a rotating shaft
  • the body 10 is provided with a mounting hole.
  • the rotating shaft of the body 222 is sleeved in the mounting hole of the body 10 so that the body 222 can rotate around the rotating shaft 16 and can also have a pre-tightening force.
  • the body 222 can be fixedly held at a position of rotation.
  • a rotor assembly 20 mounted on the top surface 12 at the nose and tail is deployed and can be held outside the top surface 12 and mounted on the bottom surface 14.
  • One rotor assembly 20 is deployed and can remain outside of the bottom surface 14.
  • a rotor assembly 20 mounted on the top surface 12 is folded and can be partially or completely held within the range of the top surface 12 and mounted on the bottom surface.
  • One of the rotor assemblies 20 on the 14 is folded and can be partially or fully retained within the range of the bottom surface 14.
  • the drone 100 provided by the present invention is rotatably mounted on the top surface 12 and the bottom surface 14 by using the rotor assembly 20, so that the rotor assembly 20 is folded when the drone 100 is in the grounding state, thereby avoiding exposure and reducing the occupied space. Need to avoid the need for a special storage box, very convenient to carry. Moreover, when the drone 100 is in the deployed state shown in FIG. 1, it is possible to ensure that the wheelbase between the rotor assemblies 20 is as large as possible, thereby improving the stability of the flight of the drone 100.
  • the rotor assembly 20 is provided with the protective cover 22, the blades of the propeller are completely housed in the protective cover 22, and the protective cover 22 can avoid the paddle of the drone 100 when the drone 100 flies or loses power drop. Touching objects in the environment, such as hitting people and injuring people, and then, for example, when the drone 100 enters the woods with small spacing between trees, it encounters trees, and it is easy to damage the blades while injuring the trees.
  • the shape of the receiving cavity 220 may be other shapes such as a triangle, a rectangle, an ellipse, or a polygon, in addition to the circular shape described above.
  • the body 222 is not limited to a circular structure, and its outer contour may be rectangular, elliptical, triangular, or polygonal.
  • the shape of the receiving cavity 220 may be a triangle, Other shapes such as rectangles, ellipses, or polygons.
  • the number of the connecting members 226 is not limited to the above four, and may be two, three, five, or even more as long as it can function to connect the mounting seat 224 and the body 222.
  • the mount 224 can also be eccentrically disposed, that is, the mount 224 is not located at a central location of the containment chamber 220.
  • the body 222 further includes a mounting portion 228 extending integrally from the outer sidewall 223 for rotatably connecting the boot 22 to the body 10 .
  • the mounting portion 228 is provided with a mounting hole 229.
  • the drone 100 further includes a rotating shaft 16 disposed on the body 10.
  • the mounting hole 229 of the mounting portion 228 is sleeved on the rotating shaft 16 of the body 10.
  • the protective cover 22 can be wound around the rotating shaft. 16 turns.
  • the mounting portion 228 is provided with a rotating shaft, and the mounting body 228 is provided with a mounting hole.
  • the rotating shaft on the mounting portion 228 is rotatably inserted into the mounting hole of the body 10, and the rotating shaft rotates to drive the protective cover 22 to rotate.
  • the mounting portion 228 includes a right angle end that is remote from the outer sidewall 223.
  • the rotor assembly 20 mounted on the top surface 12 is folded and can all remain within the range of the top surface 12, and the right angle ends are just flush with the two sides of the body 10, mounted on the bottom surface 14
  • the upper rotor assembly 20 is folded and can be kept within the range of the bottom surface 14, and the right-angle end is just flush with the two sides of the body 10, and the folding effect is better, and the structure is prevented from extending out of the body 10 after the drone 100 is folded. Or the uneven structure scrapes to the external structure, affecting the storage effect and even hurting people.
  • body 222 in conjunction with FIG. 6, includes an upper surface 225 and a lower surface 227 that are opposite each other and are coupled to inner sidewall 221 and outer sidewall 223.
  • the protective cover 22 further includes two mesh end plates 232, 234.
  • the two mesh end plates 232, 234 are respectively disposed on the upper surface 225 and the lower surface 227, and the mounting seat 224 is located at the two mesh end plates 232, 234. between.
  • the mesh end plates 232, 234 may be made of a metal material such as copper wire, aluminum wire or the like.
  • the protective cover 22 is provided with two mesh end plates 232, 234.
  • the mesh end plates 232, 234 can prevent the propeller from flying out of the wounds; on the other hand, in the drone During the flight of 100, the mesh end plates 232, 234 can prevent a certain volume of foreign objects from entering the propeller and hinder the rotation of the propeller, thereby affecting the flight of the drone 100. Alternatively, when the drone 100 is in the no-fly state, the mesh end plates 232, 234 can prevent a certain volume of foreign matter from entering the propeller and damaging the propeller.
  • the body 222 includes an upper surface 225 and a lower surface 227 that are opposite each other and are coupled to the inner sidewall 221 and the outer sidewall 223.
  • the protective cover 22 further includes a meshed end plate 232 disposed on the upper surface 225, the mounting seat 224 being located between the meshed end plate 232 and the lower surface 227.
  • the mesh end plate 232 may be made of a metal material such as a copper wire, an aluminum wire or the like.
  • the protective cover 22 is provided with a mesh end plate 232.
  • the mesh end plate 232 can prevent the propeller from flying upward and injuring the wounded; on the other hand, during the flight of the drone 100, The mesh end plates 232, 234 can prevent a certain volume of foreign objects from entering into the propeller from above and hinder the rotation of the propeller, thereby affecting the flight of the drone 100. Alternatively, when the drone 100 is in the no-fly state, the mesh end plates 232, 234 can prevent a certain volume of foreign objects from entering the propeller from above, damaging the propeller.
  • the body 222 includes an upper surface 225 and a lower surface 227 that are opposite each other and are coupled to the inner sidewall 221 and the outer sidewall 223.
  • the protective cover 22 also includes a mesh end plate 234, the mesh end plate 234 is disposed on the lower surface 227, and the mounting seat 224 is located between the mesh end plate 234 and the upper surface 225.
  • the mesh end plate 234 may be made of a metal material such as a copper wire, an aluminum wire or the like.
  • the protective cover 22 is provided with a mesh end plate 234.
  • the mesh end plate 234 can prevent the propeller from flying downwards and injuring the wound; on the other hand, during the flight of the drone 100
  • the mesh end plate 234 can prevent a certain volume of foreign objects from entering into the propeller from the bottom to hinder the rotation of the propeller, thereby affecting the flight of the drone 100.
  • the mesh end plate 234 can prevent a certain volume of foreign matter from entering the propeller from above, damaging the propeller.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” or “second” may include at least one of the features, either explicitly or implicitly.
  • a plurality means at least two, for example two, three, unless specifically defined otherwise.

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  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
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Abstract

本发明公开一种无人机(100)，无人机(100)包括机体(10)及多个旋翼组件(20)。机体(10)包括相背的顶面(12)及底面(14)。多个旋翼组件(20)中的部分旋翼组件(20)可转动地安装在顶面(12)上，其余部分旋翼组件(20)可转动地安装在底面(14)上。无人机展开时，安装在顶面(12)上的旋翼组件(20)展开并能够保持在顶面(12)范围以外，安装在底面(14)上的旋翼组件(20)展开并能够保持在底面(14)范围以外；无人机折叠时，安装在顶面(12)上的旋翼组件(20)折叠并能够部分或全部保持在顶面(12)范围以内，安装在底面(14)上的旋翼组件(20)折叠并能够部分或全部保持在底面(14)范围以内。

Description

无人机 技术领域
本发明涉及飞行技术领域，尤其涉及一种无人机。
背景技术
目前，无人机被广泛的应用于航拍测绘、影视拍摄、敌情勘测、灾情检测、电力巡检等领域，是飞行器家族当中的佼佼者。尤其多旋翼无人机是一种结构新颖、性能优越的垂直起降飞行器，具有操作简单、携带负载能力强的特点，具有极其重要的军用及民用价值。
但传统的多旋翼无人机在停放状态时旋翼直接暴露在外，悬臂较长，不可折叠，占用空间较大，需要专门的收纳盒，不便于携带。
发明内容
为此，本发明的实施方式需要提供一种无人机。
本发明提供一种无人机，所述无人机包括：
机体，所述机体包括相背的顶面及底面；及
多个旋翼组件，多个所述旋翼组件中的部分所述旋翼组件可转动地安装在所述顶面上，其余部分所述旋翼组件可转动地安装在所述底面上，
所述无人机展开时，安装在所述顶面上的所述旋翼组件展开并能够保持在所述顶面范围以外，安装在所述底面上的所述旋翼组件展开并能够保持在所述底面范围以外；所述无人机折叠时，安装在所述顶面上的所述旋翼组件折叠并能够部分或全部保持在所述顶面范围以内，安装在所述底面上的所述旋翼组件折叠并能够部分或全部保持在所述底面范围以内。
在某些实施方式中，多个所述旋翼组件环绕所述机体的中心均匀分布。
在某些实施方式中，多个所述旋翼组件的数量为偶数个，相邻的两个所述旋翼组件分别安装在所述顶面及所述底面上。
在某些实施方式中，所述机体呈矩形，多个所述旋翼组件的数量为四个，四个所述旋翼组件分别设置在所述机体的四个角落，相邻两个角落的两个所述旋翼组件分别安装在所述顶面及所述底面上。
在某些实施方式中，每个所述旋翼组件包括：
保护罩，所述保护罩可转动地安装在所述顶面或所述底面上；
电机，所述电机安装在所述保护罩内；及
螺旋桨，所述螺旋桨与所述电机连接，所述螺旋桨的桨叶完全收容在所述保护罩内。
在某些实施方式中，所述保护罩包括：
本体，所述本体形成有收容腔，所述本体包括相背的内侧壁及外侧壁，所述内侧壁位于所述收容腔内；
安装座，所述安装座设置在所述收容腔内，所述电机安装在所述安装座内；及
多个连接件，所述多个连接件设置在所述收容腔内，每个连接件的一端与所述安装座连接，另一端与所述内侧壁连接。
在某些实施方式中，所述收容腔呈圆形、三角形、矩形、椭圆形、或者多边形。
在某些实施方式中，所述本体还包括自所述外侧壁一体延伸的安装部，所述安装部用于将所述保护罩与所述机体可转动地连接。
在某些实施方式中，所述安装部设置有安装孔，所述无人机还包括设置在所述机体上的转轴，所述安装部上的所述安装孔套设在所述机体上的所述转轴上，所述保护罩能够绕着所述转轴转动；或者
所述安装部设置有转轴，所述机体上设置有安装孔，所述安装部上的所述转轴可转动地穿设在所述机体上的所述安装孔内，所述转轴转动以带动所述保护罩转动。
在某些实施方式中，所述安装部包括远离所述外侧壁的直角端部。
在某些实施方式中，所述安装座设置在所述收容腔的中心，所述多个连接件环绕所述安装座均匀分布。
在某些实施方式中，所述本体包括彼此相背且与所述内侧壁及所述外侧壁连接的上表面及下表面，
所述保护罩还包括一个网状端板，所述网状端板设置在所述上表面上，所述安装座位于所述网状端板与所述下表面之间；或者
所述保护罩还包括一个网状端板，所述网状端板设置在所述下表面上，所述安装座位于所述网状端板与所述上表面之间；或者
所述保护罩还包括两个网状端板，所述两个网状端板分别设置在所述上表面及所述下表面上，所述安装座位于所述两个网状端板之间。
本发明提供的无人机利用旋翼组件可转动地安装在顶面及底面上，使得无 人机在停飞状态时旋翼组件被折叠起来，避免暴露在外，减少占用空间，需避免需要专门的收纳盒，非常方便携带。
本发明的实施方式的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本发明的实施方式的实践了解到。
附图说明
本发明的实施方式的上述和/或附加的方面和优点从结合下面附图对实施方式的描述中将变得明显和容易理解，其中：
图1是本发明一实施方式提供的无人机的展开状态的俯视图；
图2是本发明一实施方式提供的无人机的展开状态的主视图；
图3是本发明一实施方式提供的无人机的折叠状态的俯视图；
图4是本发明一实施方式提供的无人机的折叠状态的主视图；
图5是本发明一实施方式提供的无人机的展开状态的俯视图；
图6是本发明一实施方式提供的无人机保护罩的剖面示意图；
图7是本发明一实施方式提供的无人机保护罩的剖面示意图；
图8是本发明一实施方式提供的无人机保护罩的剖面示意图。
主要元件符号说明：
无人机100、机体10、顶面12、底面14、转轴16、旋翼组件20、保护罩22、保护罩22、安装座224、连接件226、收容腔220、内侧壁221、外侧壁223、安装部228、安装孔229、上表面225、下表面227、网状端板232、234。
具体实施方式
下面详细描述本发明的实施方式，所述实施方式的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施方式是示例性的，仅用于解释本发明，而不能理解为对本发明的限制。
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和 操作，因此不能理解为对本发明的限制。此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个所述特征。在本发明的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接或可以相互通讯；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
在本发明中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。
下文的公开提供了许多不同的实施方式或例子用来实现本发明的不同结构。为了简化本发明的公开，下文中对特定例子的部件和设置进行描述。当然，它们仅仅为示例，并且目的不在于限制本发明。此外，本发明可以在不同例子中重复参考数字和/或参考字母，这种重复是为了简化和清楚的目的，其本身不指示所讨论各种实施方式和/或设置之间的关系。此外，本发明提供了的各种特定的工艺和材料的例子，但是本领域普通技术人员可以意识到其他工艺的应用和/或其他材料的使用。
请参阅图1，本发明一实施方式提供的无人机100为多旋翼飞行器，即具有多个旋翼组件20的飞行器。具体地，无人机100包括机体10及多个旋翼组件20。
请参阅图2，机体10包括相背的顶面12及底面14。当无人机100正常飞行时，在天空高度的方向上，顶面12较底面14更加远离地面。
多个旋翼组件20中的部分旋翼组件20可转动地安装在顶面12上，其余部分旋翼组件20可转动地安装在底面14上，使得无人机100能够处于展开与 折叠状态。其中，旋翼组件20可转动任意角度并保持在该任意角度对应的位置上。
请一并参阅图1及图2，无人机100展开时，安装在顶面12上的旋翼组件20展开并能够保持在顶面12范围以外，安装在底面14上的旋翼组件20展开并能够保持在底面14范围以外。请一并参阅图3及图4，无人机100折叠时，安装在顶面12上的旋翼组件20折叠并能够部分或全部保持在顶面12范围以内，安装在底面14上的旋翼组件20折叠并能够部分或全部保持在底面14范围以内。
可以理解的是，由于旋翼组件20可转动任意角度并保持在该任意角度对应的位置上，则无人机100的展开状态可以是多种，并不局限于图1及图2所示的展开状态，还可以是如图5所示的展开状态，或者是旋翼组件20处于其他角度的展开状态，只要满足安装在顶面12上的旋翼组件20能够保持在顶面12范围以外，安装在底面14上的旋翼组件20能够保持在底面14范围以外，以能够执行飞行任务即可。同理，无人机100的折叠状态也可以是多种，并不局限于图3及图4所示的完全折叠(安装在顶面12上的旋翼组件20全部保持在顶面12范围以内，安装在底面14上的旋翼组件20全部保持在底面14范围以内)的状态，无人机100的折叠状态还可以是部分折叠状态，即安装在顶面12上的旋翼组件20一部分保持在顶面12范围以内，一部分伸出到顶面12范围以外，安装在底面14上的旋翼组件20一部分保持在底面14范围以内，一部分伸出到底面14范围以外。
本发明提供的无人机100利用旋翼组件20可转动地安装在顶面12及底面14上，使得无人机100在停飞状态时旋翼组件20被折叠起来，避免暴露在外，减少占用空间，需避免需要专门的收纳盒，非常方便携带。而且，在无人机100处在图1所示的展开状态时，能够保证旋翼组件20之间的轴距尽可能最大，由此可提高无人机100飞行的稳定性。
请参阅图1，在某些实施方式中，机体10包括横向中心轴MM、纵向中心轴NN、以及中心O，中心O为横向中心轴MM与纵向中心轴NN交点。旋翼组件20的数量为四个，四个旋翼组件20的分布可以如下：第一，相邻的两个旋翼组件20关于横向中心轴MM对称设置，或者相邻的两个旋翼组件20关于纵向中心轴NN对称设置。第二，四个旋翼组件20环绕中心O均匀分布。无论旋翼组件20采用哪种分布方式，都能无人机100飞行的平稳性。
请参阅图1，在某些实施方式中，相邻的两个旋翼组件20分别安装在顶面 12及底面14上，由此实现四个旋翼组件20的错高设置，进一步减小折叠后无人机100的体积，精致小巧，方便携带。
请参阅图1，在某些实施方式中，机体10呈矩形，四个旋翼组件20分别设置在机体10的四个角落，相邻两个角落的两个旋翼组件20分别安装在顶面12及底面14上，由此实现四个旋翼组件20的错高设置，进一步减小折叠后无人机100的体积，精致小巧，方便携带。可以理解，机体10的形状也可不局限于呈矩形，可以是任意形状，例如三角形、圆形、椭圆形、矩形等等。
可以理解，无人机100并不局限于为上述实施方式中的四旋翼飞行器，也可以为六旋翼飞行器、八旋翼飞行器、十二旋翼飞行器等，无人机100优选包括偶数数量的旋翼组件20，偶数数量的旋翼组件20中相邻的两个旋翼组件20分别安装在顶面12及底面14上，由此实现偶数数量的旋翼组件20的错高设置，进一步减小折叠后无人机100的体积，精致小巧，方便携带。偶数数量的旋翼组件20环绕中心O均匀分布，可提高无人机100飞行的平稳性。
请参阅图1，下面以无人机100为四旋翼飞行器为例进行具体说明，即，无人机100包括机体10及四个旋翼组件20。机体10呈矩形，四个旋翼组件20分别设置在机体10的四个角落，相邻两个角落的两个旋翼组件20分别安装在顶面12及底面14上，具体地，机头部位设置有两个旋翼组件20，其中一个旋翼组件20安装在顶面12上，另一个旋翼组件20安装在底面14上。机尾部位设置有两个旋翼组件20，其中一个旋翼组件20安装在顶面12上，另一个旋翼组件20安装在底面14上。
每个旋翼组件20包括保护罩22、电机(图未示)、及螺旋桨(图未示)。保护罩22可转动地安装在顶面12或底面14上。电机安装在保护罩22内。螺旋桨与电机连接，螺旋桨的桨叶完全收容在保护罩22内。
保护罩22包括本体222、安装座224及多个连接件226。本体222形成有收容腔220，本体222包括相背的内侧壁221及外侧壁223，内侧壁221位于收容腔220内，外侧壁223位于收容腔220外。安装座224设置在收容腔220内，电机安装在安装座224内。多个连接件226设置在收容腔220内，每个连接件226的一端与安装座224连接，另一端与内侧壁224连接。本实施方式中，本体222大致呈圆环形结构，收容腔220呈圆形，安装座224位于收容腔220的中心，多个连接件226的数量为4个，均匀环绕在安装座224的四周以呈辐射状分布。
保护罩22可转动地安装到顶面12或底面14上时，可以通过本体222可 转动地安装到顶面12或底面14上来实现的。具体地，在本体222上直接开设有安装孔，机体10上设置有转轴，转轴套设在安装孔内使得本体222可绕着转轴转动的同时，还能有预紧力使得本体222能够固定保持在转动的位置处。或者，本体222上设置有转轴，机体10上开设有安装孔，本体222上的转轴套设在机体10上的安装孔内使得本体222可绕着转轴16转动的同时，还能有预紧力使得本体222能够固定保持在转动的位置处。
请参阅图1及图2，无人机100展开时，机头与机尾处，安装在顶面12上的一个旋翼组件20展开并能够保持在顶面12范围以外，安装在底面14上的一个旋翼组件20展开并能够保持在底面14范围以外。请参阅图3及图4，无人机100折叠时，机头与机尾处，安装在顶面12上的一个旋翼组件20折叠并能够部分或全部保持在顶面12范围以内，安装在底面14上的一个旋翼组件20折叠并能够部分或全部保持在底面14范围以内。
本发明提供的无人机100利用旋翼组件20可转动地安装在顶面12及底面14上，使得无人机100在停飞状态时旋翼组件20被折叠起来，避免暴露在外，减少占用空间，需避免需要专门的收纳盒，非常方便携带。而且，在无人机100处在图1所示的展开状态时，能够保证旋翼组件20之间的轴距尽可能最大，由此可提高无人机100飞行的稳定性。
进一步地，由于旋翼组件20设置有保护罩22，螺旋桨的桨叶完全收容在保护罩22内，在无人机100飞行或失去动力掉落时，保护罩22可避免无人机100的桨叶触碰到环境中的物体，例如碰到人而伤到人，再例如无人机100进入树木之间间距较小的树林内飞行时碰到树木，伤到树木的同时还容易损坏桨叶。
在其他实施方式中，本体222呈圆环形结构时，收容腔220的形状除了可呈上述的圆形外，还可呈三角形、矩形、椭圆形、或者多边形等其他形状。本体222并不局限与呈圆环形结构，其外轮廓可以呈矩形、椭圆形、三角形、或者多边形等其他形状，此时，收容腔220的形状除了可呈圆形外，还可呈三角形、矩形、椭圆形、或者多边形等其他形状。连接件226的数量并不局限于上述的四个，还可以是2个、3个、5个，甚至更多个，只要能够起到连接安装座224与本体222的作用即可。安装座224也可以偏心设置，也即是说，安装座224并非位于收容腔220的中心位置。
请参阅图1，在某些实施方式中，本体222还包括自外侧壁223一体延伸的安装部228，安装部228用于将保护罩22与机体10可转动地连接。具体地， 安装部228设置有安装孔229，无人机100还包括设置在机体10上的转轴16，安装部228上的安装孔229套设在机体10上的转轴16上，保护罩22能够绕着转轴16转动。或者：安装部228设置有转轴，机体10上设置有安装孔，安装部228上的转轴可转动地穿设在机体10上的安装孔内，转轴转动以带动保护罩22转动。
在某些实施方式中，安装部228包括远离外侧壁223的直角端部。在无人机100完全折叠时，安装在顶面12上的旋翼组件20折叠并能够全部保持在顶面12范围以内，且直角端部与机体10的两个侧面刚好平齐，安装在底面14上的旋翼组件20折叠并能够全部保持在底面14范围以内，且直角端部与机体10的两个侧面刚好平齐，折叠效果更好，避免无人机100折叠后还有结构伸出机体10、或者不平齐的结构刮蹭到外部结构上，影响收纳效果甚至是伤到人。
在某些实施方式中，请结合图6，本体222包括彼此相背且与内侧壁221及外侧壁223连接的上表面225及下表面227。保护罩22还包括两个网状端板232、234，两个网状端板232、234分别设置在上表面225及下表面227上，安装座224位于两个网状端板232、234之间。网状端板232、234可由金属材料制成，例如铜丝、铝丝等。保护罩22设置两个网状端板232、234，一方面，在螺旋桨脱桨的情况下，网状端板232、234能够避免螺旋桨飞出伤人伤物；另一方面，在无人机100飞行过程中，网状端板232、234可以避免一定体积的外物进入到螺旋桨中对螺旋桨的旋转产生阻扰，从而影响无人机100的飞行。或者，在无人机100处于停飞状态下，网状端板232、234可以避免一定体积的外物进入到螺旋桨，损坏螺旋桨。
在某些实施方式中，请结合图7，本体222包括彼此相背且与内侧壁221及外侧壁223连接的上表面225及下表面227。保护罩22还包括一个网状端板232，网状端板232设置在上表面225上，安装座224位于网状端板232与下表面227之间。网状端板232可由金属材料制成，例如铜丝、铝丝等。保护罩22设置网状端板232，一方面，在螺旋桨脱桨的情况下，网状端板232能够避免螺旋桨向上飞出伤人伤物；另一方面，在无人机100飞行过程中，网状端板232、234可以避免一定体积的外物从上方进入到螺旋桨中对螺旋桨的旋转产生阻扰，从而影响无人机100的飞行。或者，在无人机100处于停飞状态下，网状端板232、234可以避免一定体积的外物从上方进入到螺旋桨，损坏螺旋桨。
在某些实施方式中，请结合图8，本体222包括彼此相背且与内侧壁221及外侧壁223连接的上表面225及下表面227。保护罩22还包括一个网状端板 234，网状端板234设置在下表面227上，安装座224位于网状端板234与上表面225之间。网状端板234可由金属材料制成，例如铜丝、铝丝等。保护罩22设置网状端板234，一方面，在螺旋桨脱桨的情况下，网状端板234能够避免螺旋桨向下飞出伤人伤物；另一方面，在无人机100飞行过程中，网状端板234可以避免一定体积的外物从下方进入到螺旋桨中对螺旋桨的旋转产生阻扰，从而影响无人机100的飞行。或者，在无人机100处于停飞状态下，网状端板234可以避免一定体积的外物从上方进入到螺旋桨，损坏螺旋桨。
在本说明书的描述中，参考术语“某些实施方式”、“一个实施方式”、“一些实施方式”、“示意性实施方式”、“示例”、“具体示例”、或“一些示例”的描述意指结合所述实施方式或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施方式或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施方式或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施方式或示例中以合适的方式结合。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个所述特征。在本发明的描述中，“多个”的含义是至少两个，例如两个，三个，除非另有明确具体的限定。
尽管上面已经示出和描述了本发明的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本发明的限制，本领域的普通技术人员在本发明的范围内可以对上述实施例进行变化、修改、替换和变型，本发明的范围由权利要求及其等同物限定。

Claims (12)

  1. 一种无人机，其特征在于，所述无人机包括：
    机体，所述机体包括相背的顶面及底面；及
    多个旋翼组件，多个所述旋翼组件中的部分所述旋翼组件可转动地安装在所述顶面上，其余部分所述旋翼组件可转动地安装在所述底面上，
    所述无人机展开时，安装在所述顶面上的所述旋翼组件展开并能够保持在所述顶面范围以外，安装在所述底面上的所述旋翼组件展开并能够保持在所述底面范围以外；所述无人机折叠时，安装在所述顶面上的所述旋翼组件折叠并能够部分或全部保持在所述顶面范围以内，安装在所述底面上的所述旋翼组件折叠并能够部分或全部保持在所述底面范围以内
  2. 根据权利要求1所述的无人机，其特征在于，多个所述旋翼组件环绕所述机体的中心均匀分布。
  3. 根据权利要求2所述的无人机，其特征在于，多个所述旋翼组件的数量为偶数个，相邻的两个所述旋翼组件分别安装在所述顶面及所述底面上。
  4. 根据权利要求1所述的无人机，其特征在于，所述机体呈矩形，多个所述旋翼组件的数量为四个，四个所述旋翼组件分别设置在所述机体的四个角落，相邻两个角落的两个所述旋翼组件分别安装在所述顶面及所述底面上。
  5. 根据权利要求1-4任意一项所述的无人机，其特征在于，每个所述旋翼组件包括：
    保护罩，所述保护罩可转动地安装在所述顶面或所述底面上；
    电机，所述电机安装在所述保护罩内；及
    螺旋桨，所述螺旋桨与所述电机连接，所述螺旋桨的桨叶完全收容在所述保护罩内。
  6. 根据权利要求5所述的无人机，其特征在于，所述保护罩包括：
    本体，所述本体形成有收容腔，所述本体包括相背的内侧壁及外侧壁，所述内侧壁位于所述收容腔内；
    安装座，所述安装座设置在所述收容腔内，所述电机安装在所述安装座内；及
    多个连接件，所述多个连接件设置在所述收容腔内，每个连接件的一端与所述安装座连接，另一端与所述内侧壁连接。
  7. 根据权利要求6所述的无人机，其特征在于，所述收容腔呈圆形、三角形、矩形、椭圆形、或者多边形。
  8. 根据权利要求6所述的无人机，其特征在于，所述本体还包括自所述外侧壁一体延伸的安装部，所述安装部用于将所述保护罩与所述机体可转动地连接。
  9. 根据权利要求8所述的无人机，其特征在于，所述安装部设置有安装孔，所述无人机还包括设置在所述机体上的转轴，所述安装部上的所述安装孔套设在所述机体上的所述转轴上，所述保护罩能够绕着所述转轴转动；或者
    所述安装部设置有转轴，所述机体上设置有安装孔，所述安装部上的所述转轴可转动地穿设在所述机体上的所述安装孔内，所述转轴转动以带动所述保护罩转动。
  10. 根据权利要求8所述的无人机，其特征在于，所述安装部包括远离所述外侧壁的直角端部。
  11. 根据权利要求6所述的无人机，其特征在于，所述安装座设置在所述收容腔的中心，所述多个连接件环绕所述安装座均匀分布。
  12. 根据权利要求6所述的无人机，其特征在于，所述本体包括彼此相背且与所述内侧壁及所述外侧壁连接的上表面及下表面，
    所述保护罩还包括一个网状端板，所述网状端板设置在所述上表面上，所述安装座位于所述网状端板与所述下表面之间；或者
    所述保护罩还包括一个网状端板，所述网状端板设置在所述下表面上，所述安装座位于所述网状端板与所述上表面之间；或者
    所述保护罩还包括两个网状端板，所述两个网状端板分别设置在所述上表面及所述下表面上，所述安装座位于所述两个网状端板之间。
PCT/CN2017/090412 2017-05-22 2017-06-27 无人机 Ceased WO2018214224A1 (zh)

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