Title:
COIL AND WIRELESS CHARGING DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/052188
Kind Code:
A1
Abstract:
A coil (100) and a wireless charging device. The coil (100) comprises a first wire end (1), a second wire end (2), and a winding group (3) connecting the first wire end (1) and the second wire end (2); the winding group (3) at least comprises a first planar winding (T3) which at least comprises from outside to inside a first coil (T31) and a second coil (T32) which are adjacent; at least one first cross structure (A) is provided between the first coil (T31) and the second coil (T32); in the first cross structure (A), two coil parts (a) of the first coil (T31) are disposed in a crossed manner, and two coil parts (a) of the second coil (T32) are disposed in a crossed manner; and on two sides of the first cross structure (A), one of the coil parts (a) of the first coil (T31) is disposed in a slit groove (b) of the second coil (T32), and one of the coil parts (a) of the second coil (T32) is disposed in a slit groove (b) of the first coil (T31). In this way, the coil (100) and the wireless charging device are high in transmission efficiency.
Inventors:
WANG HONGJUN (CN)
JIANG GE (CN)
LIU MAO (CN)
JIANG GE (CN)
LIU MAO (CN)
Application Number:
PCT/CN2020/118223
Publication Date:
March 17, 2022
Filing Date:
September 28, 2020
Export Citation:
Assignee:
AAC ACOUSTIC TECH SHENZHEN CO LTD (CN)
AAC TECH NANJING CO LTD (CN)
AAC TECH NANJING CO LTD (CN)
International Classes:
H01F38/14
Foreign References:
| CN108565102A | 2018-09-21 | |||
| CN110289156A | 2019-09-27 | |||
| CN208337243U | 2019-01-04 | |||
| CN109961942A | 2019-07-02 | |||
| CN109887724A | 2019-06-14 | |||
| US20180174746A1 | 2018-06-21 |
Attorney, Agent or Firm:
SHENZHEN CHINA INNOVATION SOUTH INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
Download PDF: