WO2018157833A1

WO2018157833A1 - Novel unmanned aerial vehicle

Info

Publication number: WO2018157833A1
Application number: PCT/CN2018/077717
Authority: WO
Inventors: 胡华智; 靳洪胜; 聂俊
Original assignee: 亿航智能设备（广州）有限公司
Priority date: 2017-03-02
Filing date: 2018-03-01
Publication date: 2018-09-07
Also published as: CN107444608A

Abstract

An unmanned aerial vehicle: arm assemblies (12, 13, 14, 15) of the unmanned aerial vehicle may be folded and unfolded relative to a casing so as to facilitate transportation and storage of the unmanned aerial vehicle. At the same time, the unmanned aerial vehicle may use communication modes such as WiFi and 4G to ensure the communication stability and reliability of the unmanned aerial vehicle.

Description

Manual Name: A new type of drone

Technical field

[0001] The present application belongs to the technical field of drones, and relates to a novel drone, and particularly relates to a drape type of an arm assembly and a drone using a multi-communication method.

Background technique

[0002] An unmanned aerial vehicle, referred to as a drone, is a rapidly developing flying device that has the advantages of mobility, rapid response, unmanned flight, and low operational requirements. UAVs are equipped with a variety of sensors to achieve real-world image transmission and high-risk area detection. They are a powerful complement to satellite remote sensing and traditional aerial remote sensing. At present, the scope of use of drones has expanded to three major areas of military, scientific research and civil use, specifically in power, communications, meteorology, agriculture, oceanography, exploration, photography, disaster prevention and mitigation, crop yield estimation, anti-drug, border patrol, law and order. The field of anti-terrorism and other fields are widely used.

[0003] However, for a drone having a plurality of propellers, the arm assembly tends to expand and occupy a lot of space. These arm assemblies significantly increase the footprint of the drone during transport and storage, making it inconvenient for operation and storage. Moreover, these arm components are often easily broken or damaged during transportation, increasing the probability of damage to the drone.

[0004] In the prior art, the communication mode of the drone is single. When the communication mode is faulty or the signal is weak, the drone loses control, and the problem of crash is easily caused, and the seat belt of the drone is given. a big hazard

In view of the above drawbacks of the prior art, there is an urgent need for a new type of drone.

technical problem

Problem solution

Technical solution

[0006] The purpose of the present application is to overcome the shortcomings in the prior art, and to provide a new type of drone to solve the problems of transportation and storage inconvenience and single communication mode of the current UAV.

In order to achieve the above object, the present application provides the following technical solutions: [0008] A boom assembly retractable drone includes a lower shell and an upper cover that cooperate with each other, wherein an inner middle frame is disposed in the lower shell and the upper cover, and the inner middle frame is a battery assembly is disposed, the lower portion of the inner middle frame is provided with an inner battery bottom frame to facilitate the battery assembly to be disposed in the inner middle frame, and the front end of the inner middle frame is disposed to be connected to the battery assembly a power distribution board, a first PCB board and a second PCB board are respectively disposed on two sides of the inner middle frame, and the lower front arm assembly is mounted on the lower shell so as to be rotatable relative to the front, and the front left arm assembly Arm assembly, right rear arm assembly and left rear arm assembly

[0009] Further, wherein the lower shell and the upper cover are further provided with an ultrasonic optical flow component.

[0010] Further, wherein the right front arm assembly, the left front arm assembly, the right rear arm assembly and the left rear arm assembly are respectively connected to the lower casing through a rotating shaft.

[0011] Further, wherein the right front arm assembly, the left front arm assembly, the right rear arm assembly and the left rear arm assembly are respectively provided with a propeller.

[0012] Further, wherein the upper cover is further covered with a decorative cover.

[0013] Further, wherein the upper portion of the inner middle frame is provided with a shock absorbing box.

[0014] Moreover, wherein a lower portion of the front end of the lower case is provided with a three-axis pan/tilt.

[0015] In addition, the present application further provides a UAV adopting a multi-communication method, which includes a lower shell and an upper cover that cooperate with each other, wherein an inner middle frame is disposed in the lower shell and the upper cover. a battery assembly is disposed in the inner middle frame, and an inner battery bottom frame is disposed at a lower portion of the inner middle frame to facilitate the battery assembly to be disposed in the inner middle frame, and the front end of the inner middle frame is provided with a power adapter board connected to the battery component, a first PCB board and a second PCB board are respectively disposed on two sides of the inner middle frame, and a Wifi module component is further disposed under the inner battery bottom frame, the lower shell The rear part of the rear end is also provided with a 4G module assembly.

[0016] Further, wherein the lower casing is mounted with a plurality of arm assemblies.

[0017] Further, wherein the lower casing is mounted with a right front arm assembly, a left front arm assembly, a right rear arm assembly and a left rear arm assembly.

[0018] Further, wherein the right front arm assembly, the left front arm assembly, the right rear arm assembly, and the left rear arm assembly are mounted in a manner that is rotatable relative to the lower casing for stowage Describe the shell.

[0019] Still further, wherein the right front arm assembly, the left front arm assembly, the right rear arm assembly, and the left The rear arm assembly is connected to the lower casing through a rotating shaft, respectively.

[0020] Further, wherein the right front arm assembly, the left front arm assembly, the right rear arm assembly, and the left rear arm assembly are respectively provided with a corresponding feather or counter paddle.

[0021] Moreover, a lower portion of the front end of the lower case is provided with a three-axis pan/tilt.

Advantageous effects of the invention

Beneficial effect

[0022] Compared with the existing drone, the novel drone of the present application has the following beneficial technical effects:

[0023] 1. It has a plurality of arm assemblies, and each of the arm assemblies is provided with a propeller, which is more capable of flying.

, more controllable.

[0024] 2, the arm assembly can be retracted and unfolded relative to the fuselage, thus facilitating the transportation and storage of the drone

, peers, can reduce the chance of damage to the drone.

[0025] 3. It adopts two communication modes of Wifi and 4G. In a communication mode failure or weak signal, it can switch to another communication mode to ensure the safety of the drone.

Brief description of the drawing

DRAWINGS

1 is an exploded view of a novel drone of the present application.

2 is a schematic view of the novel drone of the present application in an unfolded state of the arm assembly. [0027] FIG.

[0028] FIG. 3 is a schematic view of the novel drone of the present application with the arm assembly in a stowed state.

Embodiments of the invention

[0029] The present application is further described below with reference to the accompanying drawings and embodiments, and the contents of the embodiments are not to be construed as limiting the scope of the application.

1 shows an exploded view of a novel drone of the present application. As shown in Fig. 1, the novel drone of the present application includes a lower case 1 and an upper cover 2 that cooperate with each other. The lower case 1 and the upper cover 2 constitute the body of the drone. In the present application, the lower case 1 and the upper cover 2 may be connected together by screws or the like.

[0031] The inner middle frame 3 is disposed in the lower case 1 and the upper cover 2. A battery pack 5 is disposed in the inner middle frame 3.

The battery assembly 5 is used to supply power to various demanding components of the drone. In the present application, the electricity The pool assembly 5 can be a battery. The lower portion of the inner middle frame 3 is provided with an inner battery bottom frame 4 in order to dispose the battery assembly 5 in the inner middle frame 3. The inner battery bottom frame 4 may be connected to the inner middle frame 3 by screws or the like to facilitate fixing the battery assembly 5 therein.

[0032] The front end of the inner middle frame 3 is provided with a power adapter plate 6 connected to the battery pack 4. The power adapter board 6 is used to implement switching between the battery component 4 and each of the power-required components of the drone, thereby providing power to the various components of the drone through the battery component 4.

[0033] Both sides of the inner middle frame 3 are respectively provided with a first PCB board 7 and a second PCB board 8. The first PCB board 7 and the second PCB board 8 carry many important functions of the drone, and the ultrasonic obstacle avoidance, flight control, G PS, pan/tilt motor, camera and optical flow of the drone are all described above. The first PCB board 7 and the second PCB board 8.

[0034] In the present application, preferably, the upper portion of the inner middle frame 3 is provided with a damper box 18. The shock absorbing box 18 can be damped to prevent vibration from affecting sensor elements such as IMUs therein.

More preferably, an ultrasonic optical flow component 10 is further disposed in the lower casing 1 and the upper cover 2. The ultrasonic optical flow component 10 is configured to achieve ultrasonic elevation and optical flow positioning for the drone to form a stereoscopic image - cooperative operation.

[0036] Specifically, the ultrasonic optical flow assembly 10 includes an ultrasonic subassembly and an optical flow subassembly. The ultrasonic subassembly uses ultrasonic waves to detect the height of the drone and the ground, including an ultrasonic generator, an ultrasonic receiver, and an ultrasonic transducer. When the sound waves from the ultrasonic sounder encounter the ground smash, the sound waves will be reflected back. Then the ultrasonic receiver is used to receive the reflected sound waves, and then the sound wave converter is used to convert the reflected sound waves into other sound waves. signal.

[0037] The optical flow sub-assembly is used to implement optical flow positioning of the drone. Optical flow is an apparent motion of an image brightness mode that expresses the change in an image. Since it contains information about the motion of the target, it can be used to determine the position of the target.

[0038] Furthermore, preferably, the upper cover 2 is further covered with a decorative cover 16. The decorative cover 16 can provide an exterior decoration for the drone, and on the other hand facilitates the spraying of some advertisements or logos or slogans.

[0039] In the present application, a plurality of arm assemblies are mounted on the lower casing 1. A propeller may be disposed on each of the arm assemblies. In this way, the multi-propeller drone has more flight capabilities and is more convenient to control.

[0040] In the present application, preferably, the lower casing 1 is mounted with four arm assemblies, which are a right front arm assembly 12, a left front arm assembly 13, a right rear arm assembly 14, and a left rear arm. Component 15.

[0041] In the present application, the right front arm assembly 12, the left front arm assembly 3, the right rear arm assembly 14 and the left rear The arm assembly 15 is mounted on the lower casing 1 in such a manner as to be rotatable relative to the lower casing 1 so as to be stowed.

[0042] Thus, when it is required to use a drone, as shown in FIG. 2, the right front arm assembly 12, the left front arm assembly 3, the right rear arm assembly 14, and the left rear arm assembly 15 are in an unfolded state. , in order to facilitate the rotation of the propeller mounted thereon, thereby facilitating the flight of the drone. When it is necessary to transport and store the drone, as shown in FIG. 3, the right front arm assembly 12, the left front arm assembly 3, the right rear arm assembly 14, and the left rear arm assembly 15 are in a stowed state, thereby facilitating It transports and stores and reduces the chance of damage to each arm assembly.

[0043] In the present application, preferably, the right front arm assembly 12, the left front arm assembly 13, the right rear arm assembly 14 and the left rear arm assembly 5 are respectively connected to the lower casing 1 via a rotating shaft 17. . Thus, when it is necessary to retract or unfold the right front arm assembly 12, the left front arm assembly 13, the right rear arm assembly 14, and the left rear arm assembly 5, only the right front arm assembly 12, left front is required The arm assembly 13, the right rear arm assembly 14, and the left rear arm assembly 5 are rotatable relative to the lower casing 1 by the rotating shaft 17.

More preferably, the rotating shaft 17 includes a self-locking mechanism. Thus, when the right front arm assembly 12, the left front arm assembly 13, the right rear arm assembly 14, and the left rear arm assembly 5 are in position or in the position, the right front is realized by the self-locking mechanism. The arm assembly 12, the left front arm assembly 13, the right rear arm assembly 14, and the left rear arm assembly 5 are fixed.

[0045] Furthermore, in the present application, the drone adopts a multi-communication method. In this way, in a communication mode failure or weak signal, it is possible to switch to another communication mode to ensure the safety of the drone.

[0046] Specifically, a Wifi module component 9 is further disposed under the internal battery bottom frame 4. The Wifi module component 9 is configured to receive hotspot data and image transmission data and send it out through Wifi. Through the Wifi module component 9, a wireless communication connection between the drone and the control terminal can be realized, and the control of the human-machineless and image communication processing can be realized through the control terminal. In the present application, the Wifi module component can use a wifi module produced by Shenzhen Tiangong Measurement and Control Technology Co., Ltd.

[0047] The lower portion of the rear end of the lower case 1 is further provided with a 4G module assembly 11. The 4G module component 11 is used for implementing a wireless communication connection between the drone and the control terminal by means of 4G, and is convenient for the control of the human-machineless control through the control terminal.

[0048] In the present application, in order to facilitate the switching between the two communication modes, the control terminal preferentially establishes a data connection with the drone by the Wifi communication mode; when the Wifi signaling mode signal strength is less than the preset threshold, the 4G communication is enabled. The way to establish a data connection with the drone. [0049] The present application sets a 4G module component and a Wifi module component on a drone, and sets a priority of a communication mode selection, thereby overcoming the problem that the UAV communication mode is single in the prior art, and realizing the UAV. It is connected with various communication modes of the control terminal, and can freely switch communication modes at different distances and environments, which effectively ensures the communication stability and reliability of the drone and the control terminal.

Finally, in the present application, preferably, as shown in FIGS. 2 and 3, a lower portion of the front end of the lower casing 1 is provided with a three-axis pan/tilt head 19. Through the three-axis pan/tilt 19, the drone can be conveniently carried with a camera for easy taking and recording.

[0051] wherein, binocular avoidance is preferably achieved by a binocular camera connected to the three-axis pan/tilt head 19. At the same time, the shooting of the drone is also achieved by the binocular camera.

The above-described embodiments of the present application are merely illustrative of the present invention and are not intended to limit the embodiments of the present application. Other variations or modifications of the various forms may be made by those skilled in the art in light of the above description. It is not possible to exhaust all implementations here. Obvious changes or variations that extend to the technical solution of the present application are still within the scope of this application.

Claims

Claim

An arm assembly retractable drone comprising a lower housing (1) and an upper cover

(2), wherein the lower casing (1) and the upper cover (2) are provided with an inner middle frame (3), and the inner middle frame (3) is provided with a battery assembly (5), An inner battery bottom frame (4) is disposed at a lower portion of the inner middle frame (3) to facilitate setting the battery assembly (5) in the inner middle frame (3), and the front end of the inner middle frame (3) is disposed There is a power adapter board (6) connected to the battery component (5), and two sides of the inner middle frame (3) are respectively provided with a first PCB board (7) and a second PCB board (8). The lower front arm assembly (12), the left front arm assembly (13), the right rear arm assembly (14), and the left rear arm assembly are mounted on the lower casing (1) so as to be rotatable relative to it (for example). 15).

The arm assembly retractable drone according to claim 1, characterized in that the lower casing (1) and the upper cover (2) are further provided with an ultrasonic optical flow assembly (10).

The arm assembly retractable drone according to claim 2, wherein said right front arm assembly (12), left front arm assembly (13), right rear arm assembly (14), and left The rear arm assembly (15) is connected to the lower casing (1) via a rotating shaft (17). The arm assembly retractable drone according to claim 3, wherein the right front arm assembly (12), the left front arm assembly (13), the right rear arm assembly (14), and the left A propeller is provided on the rear arm assembly (15).

The arm assembly retractable drone according to any one of claims 1 to 4, characterized in that the upper cover (2) is further covered with a decorative cover (16).

The arm assembly retractable drone according to any one of claims 1 to 5, characterized in that the upper portion of the inner middle frame (3) is provided with a damper box (18).

The arm assembly retractable drone according to claim 6, wherein a lower portion of the front end of the lower casing (1) is provided with a three-axis head (19).

A multi-communication drone comprising a lower housing (1) and an upper cover

(2), wherein the lower casing (1) and the upper cover (2) are provided with an inner middle frame (3), and the inner middle frame (3) is provided with a battery assembly (5), The lower part of the inner middle frame (3) is provided with an internal battery bottom frame (4) to facilitate setting the battery pack (5) In the inner middle frame (3), a front end of the inner middle frame (3) is provided with a power adapter plate (6) connected to the battery assembly (5), and the inner middle frame (3) a first PCB board (7) and a second PCB board (8) are respectively disposed on the two sides, and a Wifi module component (9) is disposed under the internal battery bottom frame (4), and the lower shell (1) is A 4G module assembly (11) is also provided at the lower end of the rear end.

[Claim 9] The UAV adopting a multi-communication system according to claim 8, wherein a plurality of arm assemblies are mounted on the lower casing (1).

[10] The UAV adopting a multi-communication method according to claim 9, wherein the lower casing (1) is mounted with a right front arm assembly (12) and a left front arm assembly (13). , right rear arm assembly (14) and left rear arm assembly (15).

[Claim 11] The multi-communication type drone according to claim 10, wherein the right front arm assembly (12), the left front arm assembly (13), and the right rear arm assembly (14) And the left rear arm assembly (15) is mounted on the lower casing (1) in such a manner as to be rotatable relative to the lower casing (1) for stowage.

[Claim 12] The UAV adopting a multi-communication method according to claim 11, wherein the right front arm assembly (12), the left front arm assembly (13), and the right rear arm assembly (14) ) and the left rear arm assembly (15) are connected to the lower casing (1) via a rotating shaft (17).

[Claim 13] The UAV adopting a multi-communication method according to any one of claims 8 to 12, wherein the right front arm assembly (12), the left front arm assembly (13), and the right A corresponding feather or counter paddle is provided on the rear arm assembly (14) and the left rear arm assembly (15), respectively.

[Claim 14] The UAV adopting a multi-communication system according to claim 13, wherein a lower portion of the front end of the lower casing (1) is provided with a three-axis pan/tilt (19).