Energy encrypting based magnetic resonance coupling type wireless charging system

A technology of wireless charging and magnetic resonance, which is applied in the direction of electromagnetic wave systems, electrical components, circuit devices, etc., can solve the problems that the safety mechanism of electric energy transmission needs to be developed, and achieve the effect of improving safety

Inactive Publication Date: 2015-05-13
TIANJIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The wireless charging system is oriented to multiple power consumers, but it does not have power distribution lines to define legally authorized power consumers, and its security mechanism for power transmission needs to be developed

Method used

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  • Energy encrypting based magnetic resonance coupling type wireless charging system
  • Energy encrypting based magnetic resonance coupling type wireless charging system
  • Energy encrypting based magnetic resonance coupling type wireless charging system

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Embodiment Construction

[0013] The structure of the energy encryption-based magnetic resonance coupled wireless charging system of the present invention will be described with reference to the accompanying drawings.

[0014] The innovative point of the magnetic resonance coupled wireless charging system based on energy encryption of the present invention is to use the frequency sensitivity of magnetic resonance coupled wireless charging, and use the chaotic function to generate keys to achieve unpredictable frequency adjustment, thereby realizing the wireless charging energy encryption.

[0015] The magnetic resonance coupled wireless charging system based on energy encryption of the present invention includes a power supply unit 1 and a power consumption unit 2. The power supply unit 1 includes a power supply circuit 3 connected to each other and a chaotic function-based encryption A key generation unit 6, a wireless communication unit 7 of a power supply unit, and the power consumption unit 2 inclu...

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Abstract

The invention provides an energy encrypting based magnetic resonance coupling type wireless charging system. The system is characterized in that energy is transmitted between a power supply unit and a power consumption unit by electromagnetic coupling connection of a power supply circuit, a resonance unit and a power receiving unit; the power supply unit and the power consumption unit transmit a request signal key information by the wireless communication connection between a wireless communication of the power supply unit and the wireless communication unit of the power consumption unit; the frequency can be encrypted to achieve the energy transmission encryption; chaos functions are utilized to generate a key to achieve un-predicated frequency adjusting. The system has the effects that the power is supplied to the authorized power consumption unit by wireless manner, and meanwhile, the unauthorized power consumption unit cannot gain effective power supply; the experiment shows that the supply voltage of the authorized power consumption unit is stabled to be about 10V, and the supply voltage of the unauthorized power consumption unit is close to 0V; therefore, the wireless charging safety is effectively improved.

Description

technical field [0001] The invention relates to wireless charging technology, in particular to a magnetic resonance coupled wireless charging system based on energy encryption. Background technique [0002] Wireless charging technology is derived from wireless power transmission technology, which uses electromagnetic coupling, and the power supply equipment transmits electric energy to the electric device, and the device uses the received energy to charge the battery and operate itself. Compared with wired charging technology, its energy transmission does not require power distribution lines, so it is very suitable for power supply to mobile devices. With the development of electric vehicles and mobile robots, the demand for wireless charging is increasing. The implementation methods of wireless charging technology mainly include electromagnetic induction charging, radio wave charging and magnetic resonance charging. The principle of electromagnetic induction charging is s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J17/00H02J50/12H02J50/80
CPCH04L9/001
Inventor 张镇李彬王江邓斌魏熙乐于海涛
Owner TIANJIN UNIV
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