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Title:
COIL MODULE, WIRELESS CHARGING EMISSION DEVICE, RECEIVING DEVICE, SYSTEM AND TERMINAL
Document Type and Number:
WIPO Patent Application WO/2019/184548
Kind Code:
A1
Abstract:
Disclosed in the present application is a coil module and belongs to the technical field of wireless charging. The module comprises: an insulating layer, a first plane coil winding and a second plane coil winding. At least one turn of coil of the first plane coil winding comprises a first part, a second part and a first connecting part, and at least one turn of coil of the second plane coil winding comprises a third part, a fourth part and a second connecting part. A first connector is used for connecting the lateral part of the first part and the medial part of the second part, and a second connector is used for connecting the medial part of the third part and the lateral part of the fourth part connected; an overlapped part exists between projections of the first and second connectors on the plane where the insulating layer is located. Correspondingly, the invention further discloses a wireless charging emission device, receiving device and system adopting the coil module, and a terminal adopting the wireless charging system.

Inventors:
PEI, Changsheng (Huawei Administration Building, Bantian Longgang Distric, Shenzhen Guangdong 9, 518129, CN)
ZHU, Yongfa (Huawei Administration Building, Bantian Longgang Distric, Shenzhen Guangdong 9, 518129, CN)
ZENG, Zhiqiang (Huawei Administration Building, Bantian Longgang Distric, Shenzhen Guangdong 9, 518129, CN)
CHEN, Xiaowei (Huawei Administration Building, Bantian Longgang Distric, Shenzhen Guangdong 9, 518129, CN)
Application Number:
CN2019/070613
Publication Date:
October 03, 2019
Filing Date:
January 07, 2019
Export Citation:
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Assignee:
HUAWEI TECHNOLOGIES CO., LTD. (Huawei Administration Building, Bantian Longgang Distric, Shenzhen Guangdong 9, 518129, CN)
International Classes:
H01F38/14
Foreign References:
US20130308256A12013-11-21
CN103999373A2014-08-20
CN108565102A2018-09-21
CN205355897U2016-06-29
CN104578222A2015-04-29
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