Long-distance wireless power supply device, method and system

Abstract

The invention provides a long-distance wireless power supply device, method and system, and relates to the technical field of wireless charging. The device comprises a transmitting module and a transmitting control module, and the transmitting module comprises a transmitting unit and an energy gathering unit; the emission control module is used for controlling the direction and / or angle of electromagnetic waves emitted by the emission module according to the position of the to-be-charged equipment; the transmitting unit is used for transmitting electromagnetic waves to the energy gathering unit according to the direction and / or angle controlled by the transmitting control module; and the energy gathering unit is used for gathering the received electromagnetic waves transmitted by the transmitting unit into an electromagnetic wave beam and transmitting the electromagnetic wave beam to to-be-charged equipment so as to charge the to-be-charged equipment through the electromagnetic wave beam. The convenience of the wireless charging device is improved.

Description

technical field [0001] The present invention relates to the technical field of wireless charging, in particular to a long-distance wireless power supply device, method and system. Background technique [0002] The current wireless charging devices are mainly divided into two types. One is to use the principle of inductive coupling charging. When charging, the charging device must be placed on the charging board and charged at a short distance through the principle of inductive coupling; the other is to use radio waves. The principle is that the charging device can be charged at a long distance by receiving radio waves when charging. However, both of these two wireless charging devices have relatively large limitations. Inductive coupling charging requires the charging device to be closely attached to the charging board, which removes the limitation of the power cord, but brings the limitation of the charging board; Although charging can achieve long-distance charging, becau...

AI Technical Summary

Problems solved by technology

However, both of these two wireless charging devices have relatively large limitations. Inductive coupling charging requires the charging device to be closely attached to the charging board, which removes the limitation of the power cord, but brings the limitation of the charging board; Although charging can achieve long-distance charging, because the long-distance propagation of electromagnetic waves will be affected by the principle of plane waves, the energy density will decay with the square of the distance, which makes the actual charging power extremely small and increases the charging time.

Therefore, the convenience of the existing wireless charging device still needs to be improved

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