Wireless energy transmission system based on LLC resonant converter

Abstract

The invention discloses a wireless energy transmission system based on an LLC resonant converter, in order to solve the problems of low transmission efficiency, small transmission power and high costof the wireless energy transmission products in the prior art. The wireless energy transmission system comprises a primary energy emitting device, an energy transmission device, a secondary energy pickup device and a feedback device; the primary energy emitting device is connected with the energy transmission device and the secondary energy pickup device in sequence; an input end of the feedback device is connected with an output end of the secondary energy pickup device, and the output end of the feedback device is connected with the output end of the primary energy emitting device; the primary energy emitting device comprises a first rectifying circuit, a first filtering circuit and an LLC resonant converter; the secondary energy pickup device comprises a second rectifying circuit and asecond filtering circuit; and the feedback device comprises a voltage sampling circuit, a current sampling circuit and a control and adjustment circuit. The wireless energy transmission system as theadvantages of low cost, simple device, and has an important role of improving the living standard and improving the production demands of the wireless energy transmission products.

Description

technical field [0001] The invention relates to a wireless energy transmission system, in particular to a wireless energy transmission system based on an LLC resonant converter. Background technique [0002] With the advancement of technology, people have higher requirements for the portability of electrical equipment. The traditional wired charging method will endanger people's personal safety due to the aging of the wires, and the increasingly sophisticated wiring layout will increase daily maintenance. Cost, therefore, the development of wireless energy transfer technology is changing with each passing day. However, the wireless energy transmission products currently on the market have low transmission efficiency, small transmission power, and high cost, so that the wireless energy transmission products cannot meet production needs. Contents of the invention [0003] In order to solve the above problems, the present invention discloses a wireless energy transmission sy...

AI Technical Summary

Problems solved by technology

However, the current wireless energy transmission products on the market have low transmission efficiency, small transmission power, and high cost, so that wireless energy transmission products cannot meet production needs

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