Resonant mobile phone wireless charging system

A mobile phone wireless charging and resonant technology, applied in electromagnetic wave systems, current collectors, electric vehicles, etc., can solve problems such as poor contact and easy aging of the charging interface, achieve a flexible lifestyle, and solve the effect of easy aging or poor contact.

Active Publication Date: 2014-05-28
ZHEJIANG UNIV
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Problems solved by technology

But today, the charging method still uses the wired charging method. This traditional charging m

Method used

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  • Resonant mobile phone wireless charging system
  • Resonant mobile phone wireless charging system
  • Resonant mobile phone wireless charging system

Examples

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with accompanying drawing.

[0022] Such as figure 1 As shown, this embodiment includes: a signal generator, a class E power amplifier and its power supply, a resonant coil (composed of a transmitting coil and a receiving coil), an output rectifying circuit and an intelligent charging circuit. The receiving coil, output rectification circuit and intelligent charging circuit are set in the mobile phone. The signal generator generates low-power high-frequency AC power, which is amplified by the high-frequency power amplifier and then input to the transmitting coil. The receiving coil receives the input signal through the principle of resonance. The signal becomes a stable direct current through the output rectification circuit, and the charging of the mobile phone is completed through a suitable intelligent charging circuit.

[0023] figure 2 The signal generation circuit is given. The signal generati...

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Abstract

The invention provides a resonant mobile phone wireless charging system. According to the invention, an E class power amplification module carries out power amplification on a high frequency signal produced by a signal producing module; the high frequency signal after power amplification is transmitted to an emission coil; the emission coil and a receiving coil carry out resonance, thus the signal is transmitted to the receiving coil; a rectification module rectifies received high frequency alternating current from the receiving coil, and carries out filtering voltage stabilizing to acquire a direct current power supply; and a charging control module carries out intelligent charging management on a rechargeable battery, and charges a mobile phone. According to the invention, the problems that a charging interface is prone to aging or bad contact and the like are well solved, and a convenient, safe and flexible life style is provided for people.

Description

technical field [0001] The invention belongs to the technical field of wireless charging, and in particular relates to a resonance-based wireless charging system for mobile phones. Background technique [0002] With the development of technology and information technology, human beings have entered the digital age, and various portable devices such as mobile phones, MP4, and digital cameras are dazzling. But today, the charging method still uses the wired charging method. This traditional charging method has many inconveniences, such as the charging interface is prone to aging or poor contact. Contents of the invention [0003] The invention aims at the deficiencies of the prior art, and relates to a resonance-based wireless charging system for mobile phones. [0004] The technical scheme that the present invention solves technical problem to take is: [0005] The invention includes a class E power amplification module, a signal generating module, a transmitting coil, a ...

Claims

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Application Information

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IPC IPC(8): H02J7/00H02J17/00H02J7/02H02J50/12
Inventor 李玉玲杨西同杨仕友储江龙
Owner ZHEJIANG UNIV
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