Wireless electric energy transmission system and metal foreign body detection method thereof

A technology for wireless energy transmission and metal foreign matter, applied in radio wave measurement systems, geophysical measurements, measurement devices, etc., can solve problems such as inaccurate identification, and achieve the effect of accurate detection and stable work

Pending Publication Date: 2017-09-05
QINGDAO LU YU ENERGY TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above-mentioned patent solution obviously cannot accurately identify metal foreign objects when they are small.

Method used

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  • Wireless electric energy transmission system and metal foreign body detection method thereof
  • Wireless electric energy transmission system and metal foreign body detection method thereof
  • Wireless electric energy transmission system and metal foreign body detection method thereof

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Embodiment Construction

[0036] In the following, the present invention will be specifically described through exemplary embodiments. It should be understood, however, that elements, structures and characteristics of one embodiment may be beneficially incorporated in other embodiments without further recitation.

[0037] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "inner", "outer", "upper", "lower", "front", "rear" etc. are based on the The positional relationship is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

[0038]Before explaining the present invention, first of all, in order to facilitate the understanding of those skilled in the art, th...

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Abstract

The invention provides a wireless electric energy transmission system and a metal foreign body detection method thereof. The wireless electric energy transmission system comprises a wireless transmitting end and a wireless receiving end, wherein the wireless transmitting end and the wireless receiving end can carry out energy and communication transmission. The wireless transmitting end further comprises a transmitting end MCU, and a transmitting end resonant capacitor connected to a transmitting coil electric energy input end. Metal foreign body detection circuits capable of being used for detecting whether metal foreign bodies exist or not are arranged at the two ends of the transmitting end resonant capacitor in parallel. The transmitting end MCU is electrically connected with the metal foreign body detection circuits to control the metal foreign body detection circuits to be started or not. The wireless electric energy transmission system is used for the method for detection of the metal foreign bodies. Whether the metal foreign bodies exist between a transmitting coil and a receiving coil or not is recognized firstly before the wireless electric energy system works, and safe, reliable and stable work of the whole wireless electric energy transmission system is guaranteed.

Description

technical field [0001] The invention belongs to the field of wireless power transmission, in particular to a wireless power transmission system capable of detecting metal foreign objects before wireless charging. Background technique [0002] Wireless power transmission is a technology for power transmission through space electromagnetic field coupling. Its main advantage is that it does not need to be plugged and unplugged, and it is simple and convenient to use; it does not generate electric sparks and has a wide range of applications. It can be used in the environment, can carry out energy transmission in water, and can also be applied to underwater applications such as marine equipment. [0003] At present, the wireless power transmission system mainly includes two parts, one part is energy transmission, through power conversion and resonance coupling, the power is transmitted from the wireless transmitter to the wireless receiver; the other part is communication control...

Claims

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Application Information

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IPC IPC(8): H02J50/10H02J50/60G01V3/11
CPCH02J50/10H02J50/60G01V3/101
Inventor 李聃封娟娟李鹏
Owner QINGDAO LU YU ENERGY TECH CO LTD
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