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Wireless power transmission device

A technology of wireless transmission and electric energy, applied in the direction of circuit devices, electrical components, electromagnetic wave systems, etc., can solve the problems of high cost of wireless transmission devices, high product cost, complex structure, etc.

Inactive Publication Date: 2011-12-14
刘亚东 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In terms of industrial products, these products currently used are complex in structure and devices, and there are many components, making production difficult and costly.
Although these three methods have realized the function of wireless transmission, they are not practical, and cannot solve the problems of high cost of wireless transmission devices in the prior art, complicated structure and difficult production

Method used

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Embodiment Construction

[0005] The substantive content of the present invention will be described in further detail below in conjunction with specific embodiments.

[0006] As shown in the accompanying drawings, this wireless power transmission device is composed of a transistor 4 of an electromagnetic wave transmitting circuit, a resonant resistor 1, a resonant capacitor 2, and a transmitting coil 6. A magnetic material 7 that induces a magnetic field to gather is added to the transmitting coil 6. The magnetic material 7 can be Improve the efficiency and directional performance of the magnetic field, reduce the loss caused by the non-directional radiation of the magnetic field, and increase the induced concentration magnetic field in the transmitting coil. After the frequency adjustment capacitor 3 and the transistor 4e are connected in parallel, one end is connected to the power supply, the transistor 4b is connected to the resonant capacitor 2 and the resonant resistor 1, and then one end of the tr...

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PUM

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Abstract

The invention relates to a non-contact wireless power transmission device, in particular to a simple device for realizing wireless power transmission through the principle of emitting electromagnetic waves. This wireless power transmission device is composed of a transistor of the electromagnetic wave transmitting circuit, a resonant resistor, a resonant capacitor, a frequency adjusting capacitor, and a transmitting coil. Connect, and then connect one end of the transmitting coil, the frequency adjustment capacitor, the transmitting coil, and the line connected in parallel with the c-terminal of the transistor. The invention has the following beneficial effects: simple design structure, stable and reliable operation, few components, low cost, and low consumption and high efficiency wireless power transmission effect.

Description

technical field [0001] The invention relates to a non-contact wireless power transmission device, in particular to a simple device for realizing wireless power transmission through the principle of emitting electromagnetic waves. Background technique [0002] In the existing technology, the transmission of electric energy is generally carried out through the connection of wires, and wires are needed as the medium in the middle. With the advancement of technology, wireless power transmission technology has emerged, which is to send out electromagnetic waves through wireless power transmitting devices, and then pass them through receiving The device receives the electromagnetic wave to achieve the purpose of wireless power transmission, but there is still no electric energy transmitting device with stable transmission and high transmission efficiency on the market. The wireless transmission of electric energy is to use a circuit to convert the electric energy of the power supp...

Claims

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Application Information

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IPC IPC(8): H02J17/00H02J50/12
Inventor 刘亚东何子球
Owner 刘亚东