CN220603901U - Unmanned aerial vehicle based on 4G network - Google Patents

Abstract

The utility model discloses an unmanned aerial vehicle based on a 4G network, which comprises: flight control hardware, an image acquisition device, a 4G module and a raspberry group board; the raspberry patch is respectively connected with the flight control hardware, the image acquisition device and the 4G module; the 4G module is in communication connection with the cloud server; the raspberry patch is used for acquiring flight control data of the unmanned aerial vehicle based on flight control hardware and acquiring image information based on the image acquisition device; the 4G module is used for sending the flight control data and the image information to the cloud server through the 4G network and acquiring operation instruction information of the unmanned aerial vehicle from the cloud server. The utility model relieves the technical problem that the traditional unmanned aerial vehicle signal transmission mode has larger limitation on the flight range of the unmanned aerial vehicle.

Description

Unmanned aerial vehicle based on 4G network

Technical Field

The utility model relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle based on a 4G network.

Background

At present, an information transmission mode of a unmanned aerial vehicle is mainly a unmanned aerial vehicle transmission technology based on radio, and the technology must additionally use ground station receiving end equipment to receive data sent from the unmanned aerial vehicle through radio.

But this approach requires that the ground station must be kept at a relatively close distance from the drone. If the drone flies out of the radio signal coverage area, then the ground station cannot receive the drone's signal, loses the control capability over the drone, and cannot obtain image or video information from the drone.

Disclosure of Invention

The utility model aims to solve at least one technical problem, and provides a 4G network-based unmanned aerial vehicle.

In a first aspect, an embodiment of the present utility model provides an unmanned aerial vehicle based on a 4G network, including: flight control hardware, an image acquisition device, a 4G module and a raspberry group board; the raspberry patch is respectively connected with the flight control hardware, the image acquisition device and the 4G module; the 4G module is in communication connection with the cloud server; the raspberry patch is used for acquiring flight control data of the unmanned aerial vehicle based on the flight control hardware and acquiring image information based on the image acquisition device; the 4G module is used for sending the flight control data and the image information to the cloud server through a 4G network and obtaining operation instruction information of the unmanned aerial vehicle from the cloud server.

Further, the cloud server is also in communication connection with the mobile terminal; the mobile terminal is used for acquiring the flight control data and the image information from the cloud server and sending the operation instruction information to the unmanned aerial vehicle through the cloud server.

Further, the image acquisition device comprises an onboard camera and an onboard video camera; the onboard camera is used for acquiring picture information; the onboard camera is used for acquiring video information.

Further, the raspberry group board is connected with the onboard camera through a USB interface; the raspberry group board is connected with the onboard camera through an HDMI interface.

Further, the raspberry pi board is connected with the flight control hardware through a TTL interface.

The utility model provides a 4G network-based unmanned aerial vehicle, wherein the unmanned aerial vehicle uses a 4G network to transmit data and image information, replaces the traditional radio transmission mode, and relieves the problem of radio transmission distance limitation; the raspberry patch and the 4G module are used for replacing the traditional radio module and the radio ground station equipment, so that the number of equipment used in the same coverage area is reduced, and the implementation cost is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following description will briefly introduce the drawings that are needed in the detailed description or the prior art, it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of a 4G network-based unmanned aerial vehicle according to an embodiment of the present utility model;

fig. 2 is a schematic control logic diagram of a 4G network-based unmanned aerial vehicle according to an embodiment of the present utility model.

In the figure: 10. flight control hardware 20, an image acquisition device 21, an onboard camera 22, an onboard camera 30, a 4G module 40, a raspberry tablet 50, a cloud server 60 and a mobile terminal.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Fig. 1 is a schematic diagram of a 4G network-based unmanned aerial vehicle according to an embodiment of the present utility model. As shown in fig. 1, includes: flight control hardware 10, image capture device 20, 4G module 30, and raspberry pi 40. The raspberry-sending board 40 is respectively connected with the flight control hardware 10, the image acquisition device 20 and the 4G module 30; the 4G module 30 is communicatively connected to the cloud server 50.

Optionally, raspberry pi 40 is connected to flight control hardware 10 via a TTL interface.

Alternatively, in an embodiment of the present utility model, flight control hardware 10 includes a flight controller model Holybro Pixhawk 4.

Optionally, in an embodiment of the present utility model, the raspberry pi 40 model includes RPi Zero W. Specifically, the TTL interface of raspberry-style sheet 40 interfaces with the Telemetry2 interface of flight control hardware 10.

Specifically, the raspberry-sending board 40 is configured to acquire flight control data of the unmanned aerial vehicle based on the flight control hardware 10, and acquire image information based on the image capturing device 20.

The 4G module 30 is configured to send the flight control data and the image information to the cloud server 50 through a 4G network, and acquire operation instruction information of the unmanned aerial vehicle from the cloud server 50.

Optionally, as shown in fig. 1, the cloud server 50 is also communicatively connected to a mobile terminal 60. The mobile terminal 60 includes a cell phone end.

The mobile terminal 60 is configured to obtain flight control data and image information from the cloud server 50, and send operation instruction information to the unmanned aerial vehicle through the cloud server 50.

Optionally, as shown in fig. 1, the image acquisition device 20 includes an on-board camera 21 and an on-board camera 22. Wherein, the onboard camera 21 is used for acquiring picture information; an on-board camera 22 for acquiring video information.

Optionally, in the embodiment of the present utility model, the raspberry pi 40 is connected to the onboard camera 21 through a USB interface; raspberry pi 40 is connected to on-board camera 22 via an HDMI interface.

In the embodiment of the utility model, the raspberry-sending board 40 is connected with the flight control hardware 10 of the unmanned aerial vehicle, and the flight control data information of the unmanned aerial vehicle is obtained by using a mavlink protocol, including longitude and latitude, attitude information, state information and the like of the unmanned aerial vehicle; the raspberry pi 40 is in hardware connection with either the onboard camera 21 or the onboard camera 22 of the drone to take a photograph or video stream. The cloud server 50 is configured to receive the unmanned aerial vehicle flight control signal and the unmanned aerial vehicle image signal transmitted based on the 4G network, store the signals and forward the signals to the mobile terminal 60. The mobile phone terminal is provided with an app which is independently developed, and can remotely control the unmanned aerial vehicle, such as take-off, landing, emergency return and the like, when the unmanned aerial vehicle flight control data and images can be obtained.

The app end writes the route that sets for into the flight control inside through the 4G network, and unmanned aerial vehicle carries out flight task according to the route, and in the flight in-process, through the 4G network, with self status signal and the image data who shoots transmit to high in the clouds server 50, mobile terminal 60 acquires unmanned aerial vehicle real-time data information and image information through high in the clouds server 50, and unmanned aerial vehicle falls down the drop point according to setting for after the task is accomplished, and the safety descends, and the task is accomplished.

Fig. 2 is a schematic control logic diagram of a 4G network-based unmanned aerial vehicle according to an embodiment of the present utility model. As shown in fig. 2, the method comprises the following steps:

s1: powering up the unmanned aerial vehicle, starting the unmanned aerial vehicle flight control, starting the raspberry patch 40, and starting the on-board camera 21 or the on-board camera 22;

s2, performing S2; the raspberry group board 40 drives the serial port TTL to read flight control data on the flight control hardware 10 by using a mavlink protocol, wherein the flight control data comprises longitude and latitude information of the current unmanned plane, flight attitude and state information, current flight mission route information and the like;

s3: the raspberry patch 40 creates an MQTT client by driving the 4G module 30, and transmits data information taken from the flight control hardware 10 to the cloud server 50 through a 4G network;

s4, the cloud server 50 builds an MQTT server, monitors messages transmitted by the MQTT client in real time, realizes high concurrency and high-efficiency data processing, and then pushes the messages to the mobile terminal 60;

s5: the mobile terminal 60 runs an independently developed APP, the APP is connected with the cloud server 50, an MQTT client is established, unmanned aerial vehicle data information is subscribed and acquired from the cloud server 50, and the unmanned aerial vehicle data information is displayed on an interface;

s6: the raspberry group board 40 drives the usb interface to operate the gpoto 2 driving library, drives the onboard camera 21 to take pictures, and sends the pictures to the cloud server 50 in an HTTP POST mode through a 4G network;

s7: a WEB server is built on the cloud server 50, an HTTP POST request of the unmanned aerial vehicle terminal is received, a photo is obtained from the unmanned aerial vehicle terminal, and the photo is stored on the cloud server 50;

s8: the mobile terminal 60 runs an autonomous research and development app, and is connected with the upper cloud server 50 to acquire a photo from the server by adopting an HTTP GET request and display the photo on a screen;

s9: the raspberry group board 40 is connected with the onboard camera 22 through an HDMI interface, and the real-time picture of the onboard camera 22 is pushed to the cloud server 50 through an RTMP pushing mode;

s10: the cloud server 50 is provided with RTMP service, receives the video image plug flow of the unmanned aerial vehicle end in real time, and provides an RTMP client access interface for the client to access;

s11: the mobile terminal 60 runs an autonomous research and development app, and is connected to an RTMP service of the cloud server 50, so that unmanned aerial vehicle video plug flow is obtained in real time according to the identity of an RTMP client, and the function of real-time video transmission is realized;

s12, performing S12; the mobile terminal 60 runs an autonomous research and development APP, operates on an unmanned aerial vehicle operation interface, and sends an operation instruction to the cloud server 50 in an MQTT mode;

s13: the cloud server 50 builds an MQTT server, receives an operation instruction from the app and forwards the operation instruction to the unmanned aerial vehicle terminal;

s14: the unmanned aerial vehicle side passes through the 4G network. The MQTT server is connected to the cloud server 50, acquires information of corresponding instructions from the cloud server 50, transmits the instructions to the flight control through the serial port according to the mavlink protocol, and the flight control executes the instructions to change the state of the unmanned aerial vehicle.

Compared with the traditional unmanned aerial vehicle, the unmanned aerial vehicle based on the 4G network provided by the embodiment of the utility model has the following advantages:

(1) The 4G network is used for transmitting data and image information on the unmanned aerial vehicle to replace the traditional radio transmission mode, so that the problem of limitation of radio transmission distance is solved;

(2) The raspberry patch and the 4G module are used for replacing the traditional radio module and the radio ground station equipment, so that the number of the equipment used is reduced in the same coverage area, and the implementation cost is greatly reduced;

(3) The terminal is used for controlling and managing a plurality of unmanned aerial vehicles, the operation mode is simple, the manual time focusing treatment is not needed, and the operation labor cost is greatly reduced.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (5)

1. Unmanned aerial vehicle based on 4G network, characterized by comprising: flight control hardware, an image acquisition device, a 4G module and a raspberry group board; the raspberry patch is respectively connected with the flight control hardware, the image acquisition device and the 4G module; the 4G module is in communication connection with the cloud server;

the raspberry patch is used for acquiring flight control data of the unmanned aerial vehicle based on the flight control hardware and acquiring image information based on the image acquisition device;

the 4G module is used for sending the flight control data and the image information to the cloud server through a 4G network and obtaining operation instruction information of the unmanned aerial vehicle from the cloud server.

2. The 4G network-based drone of claim 1, wherein: the cloud server is also in communication connection with the mobile terminal;

the mobile terminal is used for acquiring the flight control data and the image information from the cloud server and sending the operation instruction information to the unmanned aerial vehicle through the cloud server.

3. The 4G network-based drone of claim 1, wherein: the image acquisition device comprises an onboard camera and an onboard video camera;

the onboard camera is used for acquiring picture information;

the onboard camera is used for acquiring video information.

4. A 4G network-based drone as claimed in claim 3, wherein: the raspberry group board is connected with the onboard camera through a USB interface;

the raspberry group board is connected with the onboard camera through an HDMI interface.

5. The 4G network-based drone of claim 1, wherein: and the raspberry pi board is connected with the flight control hardware through a TTL interface.