Knocking combustion ejection fixed wing unmanned aerial vehicle taking-off system

A technology of detonation combustion and unmanned aerial vehicles, which is applied in the direction of launching/dragging transmissions, etc., can solve the problems of high site requirements, throwing hands safety threats, interfering with the pilot's control of unmanned aerial vehicles, etc., and achieve the effect of prolonging the service life

Inactive Publication Date: 2019-07-19
NORTHWESTERN POLYTECHNICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, high-altitude throwing and ground rolling have high requirements on the site. The ground rolling method needs to install landing gear on the drone. The weight of the landing gear and the resistance generated during flight will negatively affect the drone's battery life and even its aerodynamic characteristics. influences
Due to the exposed propeller, the way of throwing by hand will pose a threat to the safety of the thrower, and the human strength is limited, which will greatly limit the take-off weight of the UAV; The man-machine remote control, throwing it with one hand will interfere with the pilot's control of the drone, which is not conducive to the successful take-off of the drone

Method used

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  • Knocking combustion ejection fixed wing unmanned aerial vehicle taking-off system
  • Knocking combustion ejection fixed wing unmanned aerial vehicle taking-off system
  • Knocking combustion ejection fixed wing unmanned aerial vehicle taking-off system

Examples

Experimental program
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Embodiment Construction

[0020] When the mass of the drone to be ejected is 5kg and the take-off speed is 10m / s, choose a suitable take-off site, install the bracket, install the detonation tube on the bracket, and adjust the height of the bracket so that the axis of the detonation tube is clamped with the ground. The angle is 5°. The total mass of the piston with the connecting rod is 5kg. The drone clamp is installed on one end of the connecting rod, and the debugged drone is semi-fixed on the drone clamp. The constraints here allow the drone to move along the detonation tube. The axis moves relative to the connecting rod. After connecting the foot-operated ignition switch to the capacitive igniter with a signal line, place it on the ground away from the detonation tube. Due to the limited lifting height, the change of gravitational potential energy is ignored. The system needs to accelerate the piston assembly with a total weight of 10kg and the drone to 10m / s, and the kinetic energy that needs t...

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Abstract

The invention discloses a knocking combustion ejection fixed wing unmanned aerial vehicle taking-off system, and belongs to the field of unmanned aerial vehicle taking-off equipment application. Knocking combustion is applied, ejection taking-off of an unmanned aerial vehicle without an undercarriage is achieved, and site requirements of unmanned aerial vehicle taking-off are lowered. The system includes a knocking pipe, an ignition assembly, a decelerating assembly, a piston assembly and a support. The knocking combustion ejection fixed wing unmanned aerial vehicle taking-off system has the advantages that the structure is simple, ejection strength is convenient to adjust, the adjustable range of the ejection strength is wide, and reusing for many times can be achieved, the undercarriagepart of the unmanned aerial vehicle can be eliminated, the site requirements of unmanned aerial vehicle taking-off are lowered, and endurance is increased. The knocking combustion ejection fixed wingunmanned aerial vehicle taking-off system can be applied to the fields of aerial survey, unmanned aerial vehicle test flight and the like.

Description

technical field [0001] The invention relates to detonation propulsion and belongs to the application field of unmanned aerial vehicle take-off equipment. Background technique [0002] Fixed-wing UAVs need a certain initial speed to take off. In order to obtain the initial speed, they can use various methods such as ground sliding, high-altitude drop, hand-throwing, and ejection. Among them, high-altitude throwing and ground rolling have high requirements on the site. The ground rolling method needs to install landing gear on the drone. The weight of the landing gear and the resistance generated during flight will negatively affect the drone's battery life and even its aerodynamic characteristics. influences. Due to the exposed propeller, the way of throwing by hand will pose a threat to the safety of the thrower, and the human strength is limited, which will greatly limit the take-off weight of the UAV; The human-machine remote control, thrown with one hand, will interfere...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B64F1/06
CPCB64F1/06
Inventor 范玮宋尔壮迟烨青孙田雨
Owner NORTHWESTERN POLYTECHNICAL UNIV
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