Fast wireless rechargeable system for mini unmanned aerial vehicle

A wireless charging and unmanned aerial vehicle technology, applied in current collectors, electric vehicles, electrical components, etc., can solve the problems of low charging efficiency and slow charging speed, reduce charging time, increase receiving voltage, and increase electromagnetic field strength. Effect

Inactive Publication Date: 2018-04-17
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the development of wireless charging technology, the technology of wireless charging through electromagnetic induction has gradually appeared, but the current wireless charging technology is not perfect enough, and the problems of low charging efficiency and slow charging speed are common.

Method used

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  • Fast wireless rechargeable system for mini unmanned aerial vehicle
  • Fast wireless rechargeable system for mini unmanned aerial vehicle
  • Fast wireless rechargeable system for mini unmanned aerial vehicle

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Embodiment Construction

[0016] The present invention will be described below in conjunction with the accompanying drawings and embodiments.

[0017] The invention improves the charging speed by changing the battery structure of the drone, thereby improving the performance of wireless charging. Traditional wireless charging uses a single receiver battery, resulting in a slow charging speed. In this design, a large battery is split into multiple small batteries, which are placed in parallel. When the UAV needs to be charged, it hovers on the charging platform, and multiple small batteries are charged at the same time. The parallel battery structure makes each coil a booster, which increases the strength of the electromagnetic field and increases the receiving voltage of the receiving coil, greatly reducing Charging time; after charging is complete, a small lithium battery is connected in series to power the drone. On the one hand, this invention avoids the inconvenient and unsafe problems of wired ch...

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Abstract

The invention relates to a fast wireless rechargeable system for a mini unmanned aerial vehicle. The system includes a wireless charging transmitting end which comprises a wireless charging transmitting module, a transmitting end coil and a transmitting end communication module, and a fast rechargeable battery for the unmanned aerial vehicle, the fast rechargeable battery for the unmanned aerial vehicle is arranged in the unmanned aerial vehicle and comprises a voltage control module, a receiving end communication module and multiple sets of micro rechargeable battery assemblies, and each assembly includes micro charging modules, small batteries and micro coils, wherein the micro coils receive energy, then conduct rectification through the micro charging modules, and then charge the smallbatteries; the voltage control module controls the charging voltage of each small battery, and the receiving end communication module monitors a receiving voltage and feeds back to the transmitting end communication module; each set of the small lithium batteries and the micro coils are placed in parallel, and the parallel placement of the multiple micro coils makes each coil be an intensifier.

Description

technical field [0001] The invention relates to a fast wireless charging system for a micro unmanned aerial vehicle. Background technique [0002] In recent years, UAVs have become more and more widely used in aerial photography, logistics, agriculture and other fields. However, an important reason that restricts the large-scale use of drones is the battery life of drones. Wired charging of drones not only requires repeated plugging and unplugging, resulting in battery damage, but also when the drone is working in a dangerous environment, the electric sparks generated by wired charging will cause more problems. It seems that wireless charging is the best option to improve the drone's endurance. With the development of wireless charging technology, the technology of wireless charging through electromagnetic induction has gradually appeared, but the current wireless charging technology is not perfect, and the problems of low charging efficiency and slow charging speed are co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J50/10H02J50/40H02J50/80H02J7/00
CPCH02J50/10H02J7/0013H02J7/025H02J50/40H02J50/80
Inventor 邹强郑佳
Owner TIANJIN UNIV
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