CN111301679A - Platform type unmanned aerial vehicle working system - Google Patents

Abstract

The invention relates to the technical field of unmanned aerial vehicle equipment, and discloses a platform-type unmanned aerial vehicle working system, comprising: an unmanned aerial vehicle mobile platform and an unmanned aerial vehicle. The bottom of the mobile platform is fixed on the carrying equipment, and two symmetrically arranged A take-off and landing bracket, umbilical cable winch and console, the top of the umbilical cable is connected to the cable joint of the drone; the mobile platform is also equipped with power generation equipment and high-power power supply, and the power line inside the umbilical cable is used for the drone. Power supply; optical fiber is used to realize data communication between the drone and the control platform. The drone includes a main body and wings, the wings are symmetrically arranged on both sides of the main body, the drone power mechanism and a control circuit board are arranged inside the main body, and a cable joint for connecting with the umbilical cable is arranged at the bottom of the main body. The present invention can be used with carrying equipment and is flexible in movement. The UAV is powered and communicated through the umbilical cable, the real-time signal transmission is clearer, the UAV has a large load capacity and a long battery life.

Description

A platform type unmanned aerial vehicle working system

technical field

The invention relates to the technical field of unmanned aerial vehicles and their auxiliary equipment, in particular to a platform-type unmanned aerial vehicle working system.

Background technique

UAV is an aerial vehicle that has appeared in recent years. It can replace humans and perform some high-altitude difficult or dangerous tasks in areas that humans cannot reach.

However, the existing UAVs have limited power supply capacity, that is, they cannot work in the air for a long time, nor can they carry heavy loads, so the ability to perform tasks is limited to a certain extent. In order to solve the above problems in the prior art, the ground movable equipment is connected with the aerial drone through the umbilical cable, so that the high-power power supply of the ground movable equipment can continuously, stably and reliably transmit the power to the drone through the umbilical cable. , so that it can obtain sufficient kinetic energy for a long time. At the same time, the signal line group transmits the signals sent from the ground console, and the remote control aircraft completes various tasks; the photoelectric signals used for communication are also transmitted with high fidelity through the optical fiber in the umbilical cable, and the flight environment is monitored in real time. The drone is safely and smoothly controlled.

However, the ground console and the landing point of the UAV are independent, and there is no platform that can integrate the control of the UAV, the take-off and landing of the UAV, and the retraction and release control of the umbilical cable. The work provides a comprehensive service, and based on the above reasons, a platform-based UAV work system has been developed.

SUMMARY OF THE INVENTION

The invention proposes a platform-type unmanned aerial vehicle working system, which integrates the control of the unmanned aerial vehicle, the take-off and landing platform and the retraction and release of the umbilical cable.

The technical scheme of the present invention is realized as follows: a platform-type unmanned aerial vehicle working system, comprising:

UAV mobile platform, the bottom of the mobile platform is fixed on the carrying equipment through the fastener, and two take-off and landing brackets for supporting the UAV, the UAV umbilical cable winch and the UAV umbilical cable winch are symmetrically arranged on the mobile platform UAV console, the winch is wound with UAV umbilical cable, and the top of the umbilical cable is connected to the cable joint of the UAV; the mobile platform is also provided with power generation equipment, mains connection port and /or a high-power power supply, a power cord and an optical fiber are provided inside the umbilical cable, and the power generation equipment, the mains connection interface and/or the high-power power supply are electrically connected to the power cord for supplying power to the drone; The optical fiber is electrically connected to the communication terminal of the console through a photoelectric coupler, so as to realize data communication between the drone and the control platform.

The drone includes a main body and wings, the wings are symmetrically arranged on both sides of the main body, the main body is provided with a drone power mechanism and a control circuit board, and the bottom of the main body is provided with the umbilical cord the cable gland for the cable connection.

As a preferred technical solution, the winch is located between two take-off and landing supports, and the height of the winch is lower than the height of the take-off and landing support.

As a preferred technical solution, the winch is drivingly connected to a control motor, and the control motor drives the winch to rotate to retract the umbilical cable and precisely control the retraction and retraction length of the umbilical cable.

As a preferred technical solution, the control motor is a stepping motor or a servo motor, and the power supply end of the control motor is electrically connected to the power generation equipment, the mains connection interface and/or the high-power power supply, and the control motor controls The terminal is electrically connected to the console, and receives the control signal sent by the console.

As a preferred technical solution, the main body of the UAV is provided with a plurality of cameras for collecting images in various directions, and a plurality of infrared ranging sensors for obstacle avoidance; a fire extinguishing ball is also provided above the main body launcher.

As a preferred technical solution, the wings of the UAV are installed on both sides of the main body, the wings are foldable wings, and the wings are located on both sides of the main body in the unfolded state, and are folded In the state, it is folded under the main body; several ducted fans are installed on the wing.

As a preferred technical solution, the top of the drone console is provided with a display screen and a control panel, the interior of the man-machine console is provided with a control panel, the photoelectric coupler connected with the optical fiber and the communication The terminals are all arranged on the control panel.

As a preferred technical solution, the display screen and the control panel are touch screens integrating display and input.

The beneficial effects of the present invention are as follows: the present invention can be used with carrying equipment, can be moved in any occasion, is flexible and has a wide range of activities, so that the work of the unmanned aerial vehicle is more professional, efficient and safe; the flying range of the unmanned aerial vehicle is affected by the length of the umbilical cable The real-time signal transmission is clearer, the control signal is more stable, and the power is supplied through the umbilical cable, so that the UAV has a larger load capacity, longer battery life and higher controllability.

The delivery equipment includes self-propelled mobile vehicles such as fuel vehicles, electric vehicles, and gasoline-electric hybrid vehicles, and can also be used for equipment with carrying capacity such as ships and submarines.

The mobile platform is equipped with a UAV flight console, power supply, and generator, which can deliver stable high-power electrical energy to the suspended UAV. The signal transmission of the UAV umbilical cable adopts single-mode optical fiber, and the optical signal is converted by photoelectricity. The components are transmitted, so that the control signal is undistorted, stable and reliable, and the speed is fast.

The UAV is carried on the carrier equipment and transported to the work site. When using the UAV, the umbilical cable controls the flight height and range of the UAV through the winch retracting and retracting the umbilical cable according to the working range of the UAV. The umbilical cable is light in weight, large in tension, and uses single-mode optical fiber for signal transmission, which is not subject to electromagnetic interference, and can be used repeatedly.

There is a console on the mobile platform, the console can monitor the situation around the aircraft in real time through the monitor on the drone, and the console can transmit instructions to the drone through optical fiber.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

Fig. 1 is the structural representation of the mobile platform;

Figure 2 is a schematic structural diagram of an unmanned aerial vehicle;

In the figure, 1- UAV mobile platform; 11- take-off and landing bracket; 12- winch; 13- console; 14- power generation equipment; 15- high-power power supply; 16- touch screen; 2- drone; 21- main body ; 22-wing; 23-ducted fan; 24-fire ball launcher; 25-camera; 26-infrared ranging sensor; 3-umbilical cable.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. The description of these embodiments is used to help the understanding of the present invention, but does not constitute a limitation of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Wherein, in the description of the embodiments of the present application, unless otherwise stated, “/” means or means, for example, A/B can mean A or B; “and/or” in this document is only a description of the associated object The association relationship of , indicates that there can be three kinds of relationships, for example, A and/or B, can indicate that A exists alone, A and B exist at the same time, and B exists alone. In addition, in the description of the embodiments of the present application, "plurality" refers to two or more than two.

Hereinafter, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the embodiments of the present application, unless otherwise specified, "plurality" means two or more.

As shown in Figure 1 and Figure 2, a platform-type UAV working system includes a UAV mobile platform 1 and an UAV 2.

The bottom of the mobile platform 1 is fixed on the carrying equipment through the fasteners, and two take-off and landing brackets 11 for supporting the drone, the drone umbilical cable winch 12 and the drone console 13 are symmetrically arranged on the mobile platform 1 , the winch 12 is wound with an unmanned aerial vehicle umbilical cable 3, and the top of the umbilical cable 3 is connected to the cable joint of the unmanned aerial vehicle 2; the mobile platform 1 is also provided with a power generating device 14, a mains connection port (not shown in the figure) ) and a high-power power supply 15, the umbilical cable 3 is provided with a power supply line and an optical fiber inside, and the power generation equipment 14, the mains connection interface and the high-power power supply 15 are electrically connected with the power supply line for supplying power to the drone 2; The device is electrically connected to the communication terminal of the console 13 for realizing data communication between the UAV 2 and the control platform.

The top of the console 13 of the UAV 2 is provided with a display screen and a control panel, and the interior of the man-machine console 13 is provided with a control panel.

Preferably, the display screen and the control panel are a touch screen 16 that integrates display and input.

There are also several functional areas on the mobile platform 1 for the storage of other tools and equipment.

In order to facilitate the take-off and landing of the drone, the winch 12 is located between the two take-off and landing brackets 11 and the height of the winch 12 is lower than the height of the take-off and landing bracket 11 .

The winch 12 is drivingly connected with the control motor, and the control motor drives the winch 12 to rotate to retract the umbilical cable 3 and precisely control the retraction and retraction length of the umbilical cable 3 .

The control motor is a stepper motor or a servo motor, the power supply end of the control motor is electrically connected to the power generating equipment 14, the mains connection interface and/or the high-power power supply 15, and the control end of the control motor is electrically connected to the console 13, which receives the console 13. control signal sent.

The drone 2 includes a main body 21 and wings 22, the wings 22 are symmetrically arranged on both sides of the main body 21, the main body 21 is provided with a power mechanism of the drone and a control circuit board, and the bottom of the main body 21 is provided with an umbilical cable 3 for connection cable connector.

A plurality of cameras 25 for collecting images from all directions and a plurality of infrared ranging sensors 26 for obstacle avoidance are arranged around the main body 21 of the drone; a fire ball launching device 24 is also arranged above the main body 21 .

The wings 22 of the drone 2 are installed on both sides of the main body 21, and the wings 22 are foldable wings 22. The wings 22 are located on both sides of the main body 21 in the unfolded state, and are folded below the main body 21 when in the folded state; Several ducted fans 23 are installed on the wing 22 .

The principles and functions of the present invention are as follows: the mobile platform is transported to the work site by carrying equipment, and the present invention is especially suitable for fire rescue sites.

The drone takes off from the take-off and landing bracket, detects the fire position through the camera and infrared ranging sensor, and controls the final flight height close to the fire scene. There are multiple cameras and infrared ranging sensors on the side of the drone. The camera can collect Multi-directional images to facilitate the observation of the fire scene, the infrared ranging sensor detects the distance of buildings or other objects, and avoids the collision of drones. The console controls the winch to retract the umbilical cable according to the position of the fire scene, and projects the fire ball into the fire phenomenon through the fire ball launch device.

The speed and length of the winch retracting and unwinding cables are controlled by the control motor. Through pre-calculation, the speed ratio of the motor is set to control the motor speed and the number of turns, so as to accurately control the length of the cable.

In the present invention, the control of the unmanned aerial vehicle and the control motor, and the power conversion of the high-power power supply and the power generation equipment are all in the prior art.

In addition, image acquisition devices such as cameras, ranging sensors and fire-extinguishing ball launching devices in the prior art can all be applied to the present invention.

The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention. within.

Claims (8)

1. a platform type unmanned aerial vehicle working system, is characterized in that, comprises: UAV mobile platform, the bottom of the mobile platform is fixed on the carrying equipment through the fastener, and two take-off and landing brackets for supporting the UAV, the UAV umbilical cable winch and the UAV umbilical cable winch are symmetrically arranged on the mobile platform UAV console, the winch is wound with UAV umbilical cable, and the top of the umbilical cable is connected to the cable joint of the UAV; the mobile platform is also provided with power generation equipment, mains connection port and /or a high-power power supply, a power cord and an optical fiber are provided inside the umbilical cable, and the power generation equipment, the mains connection interface and/or the high-power power supply are electrically connected to the power cord for supplying power to the drone; The optical fiber is electrically connected to the communication terminal of the console through a photoelectric coupler, so as to realize data communication between the drone and the control platform. The drone includes a main body and wings, the wings are symmetrically arranged on both sides of the main body, the main body is provided with a drone power mechanism and a control circuit board, and the bottom of the main body is provided with the umbilical cord the cable gland for the cable connection. 2 . The platform-type unmanned aerial vehicle working system according to claim 1 , wherein the winch is located between two take-off and landing brackets and the height of the winch is lower than the height of the take-off and landing bracket. 3 . 3. A platform-type unmanned aerial vehicle working system according to claim 1, characterized in that: the winch is connected to a control motor in a transmission, and the control motor drives the winch to rotate to retract the umbilical cable and precisely control the umbilical cable. the retractable length of the umbilical. 4. A platform-type unmanned aerial vehicle working system as claimed in claim 3, characterized in that: the control motor is a stepping motor or a servo motor, and the power supply end of the control motor is connected to the power generation equipment, the mains The connection interface and/or the high-power power supply are electrically connected, and the control end of the control motor is electrically connected to the console, and receives the control signal sent by the console. 5. A platform-type unmanned aerial vehicle working system according to claim 1, characterized in that: the main body of the unmanned aerial vehicle is provided with a plurality of cameras around the main body for collecting images of various directions, and a plurality of cameras for avoiding The infrared ranging sensor of the obstacle is provided; a fire-extinguishing ball launching device is also arranged above the main body. 6. A platform-type unmanned aerial vehicle working system as claimed in claim 1, characterized in that: the wings of the unmanned aerial vehicle are installed on both sides of the main body, and the wings are foldable wings, so The wings are located on both sides of the main body in the unfolded state, and are folded under the main body when in the folded state; a number of ducted fans are installed on the airfoil. 7. A platform-type unmanned aerial vehicle working system as claimed in claim 1, wherein the top of the unmanned aerial vehicle console is provided with a display screen and a control panel, and the interior of the man-machine console is provided with a display screen and a control panel. A control panel, the photoelectric coupler and the communication terminal connected with the optical fiber are all arranged on the control panel. 8 . The platform-type unmanned aerial vehicle working system according to claim 7 , wherein the display screen and the control panel are touch screens integrating display and input. 9 .

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