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Foreign matter detecting system and method

A detection system and technology for foreign objects, applied in the field of foreign object detection systems, can solve problems such as adverse effects of subsequent charging of transmitting coils and receiving coils, wasted wear and tear, and reduce wireless charging efficiency and speed, so as to improve efficiency and speed, deepen coupling, and improve The effect of coupling area

Active Publication Date: 2018-05-04
江苏傲能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the above problems, the present invention provides a foreign object detection system and method, which effectively avoids the useless loss of the magnetic force line between the transmitting coil and the receiving coil in the gap in the prior art, which reduces the wireless charging efficiency and speed, and foreign objects will Defects that adversely affect the subsequent charging of the transmitting and receiving coils

Method used

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  • Foreign matter detecting system and method

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Embodiment Construction

[0042] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0043] According to attached Figure 1-Figure 12 It can be seen that the foreign object detection system of this embodiment includes a proximity sensor 10, a controller 11, a computer 12, a transmitting coil 1 and a receiving coil 2, and the transmitting coil 1 and the receiving coil 2 are both hollow coils;

[0044] The top wall of the transmitting coil 1 is provided with a protrusion 3 formed by a coil winding;

[0045] A coil winding is also arranged on the bottom wall of the receiving coil 2, and the inside of the coil winding forms a groove 4;

[0046] The number of the proximity sensor 10 is several, and several of the proximity sensors 10 are arranged on the upper surface of the transmitting coil 1, and the proximity sensor is used to obtain the upper surface of the transmitting coil 1 and the position of the transmitting coil 1. the distance o...

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Abstract

The invention discloses a foreign matter detecting system and a foreign matter detecting method. A controller transfers received distance data to a computer, and the computer starts a comparative module to compare the received distance data with the interval which should be kept between an emitting coil and a receiving coil under the minimum insulation in wireless charging; if the received distance data is less than the interval under the minimum insulation requirement, displaying prompt information that the foreign matter is existed on the emitting coil on the display screen through the computer, so that an operator of the computer can remove the foreign matter at the place where the emitting coil locates. The foreign matter removing cost is small and the reliability is high.

Description

technical field [0001] The invention relates to the technical field of wireless charging, in particular to a foreign object detection system and method. Background technique [0002] Wireless charging, also known as Wireless Power Transfer (WPT), has been skillfully applied in electronic products. The current wireless charging technology is mainly based on magnetic field resonance, using two coils with strong coupling capability, and adding a suitable resonance compensation capacitor to achieve the purpose of resonance between the transmitting coil (primary side) and the receiving coil (secondary side) . Both the transmitting coil and the receiving coil are inductive charging coils, and the inductive charging coil is a new charging technology in the field of wireless power transmission. That is, the technology of transmitting electric energy through resonance between the transmitting coil and the receiving coil. Among them, the induction coil with a planar structure is fa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J50/60H02J50/12H02J7/00
CPCH02J7/025H02J50/12H02J50/60
Inventor 周小舟徐维周宁宁陈童
Owner 江苏傲能科技有限公司