US 11,870,273 B2
Wireless charging device
Chi-Cheng Hsiao, Taipei (TW)
Assigned to INVENTEC (PUDONG) TECHNOLOGY CORPORATION, Shanghai (CN); and INVENTEC CORPORATION, Taipei (TW)
Filed by Inventec (Pudong) Technology Corporation, Shanghai (CN); and INVENTEC CORPORATION, Taipei (TW)
Filed on Sep. 2, 2022, as Appl. No. 17/901,984.
Claims priority of application No. 202210587164 (CN), filed on May 26, 2022.
Prior Publication US 2023/0387721 A1, Nov. 30, 2023
Int. Cl. H02J 50/12 (2016.01); H02J 50/00 (2016.01); H02J 7/00 (2006.01)
CPC H02J 50/12 (2016.02) [H02J 7/0042 (2013.01); H02J 50/005 (2020.01)] 9 Claims
OG exemplary drawing
 
1. A wireless charging device comprising:
a casing comprising a bottom plate and a plurality of mounting pillars protruding from the bottom plate;
a circuit board comprising a substrate and at least one support assembly, wherein the substrate is stacked on the plurality of mounting pillars, the at least one support assembly comprises a plurality of support pillars protruding from the substrate; and
at least one wireless charging module comprising:
a mounting frame having a first surface, a second surface and a plurality of first assembling parts, the second surface facing away from the first surface, and the plurality of first assembling parts extending from the first surface to the second surface and respectively mounted on the plurality of support pillars; and
a charging coil disposed on the mounting frame;
wherein projections of the plurality of mounting pillars on the bottom plate at least partially overlap projections of the plurality of support pillars on the bottom plate;
wherein the wireless charging device further comprises an airflow generator disposed on the first surface of the mounting frame.