公开(公告)号：US20210066948A1

公开(公告)日：2021-03-04

申请号：US17096025

申请日：2020-11-12

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yongfa ZHU ,  Xiaowei CHEN ,  Jin QIU ,  Xueyan HUANG ,  Tao DING

IPC: H02J7/02 ,  H02J50/00 ,  H02J50/10 ,  H02J7/00 ,  H01F38/14

Abstract: This application provides a charging pad used in a wireless charger. The charging pad can be wound. Specifically, the charging pad includes a rigid region and a flexible region, and a structure of the rigid region is different from a structure of the flexible region. A rigid support plate is disposed in the rigid region, and a metal line in the flexible region is in a metal hinge structure or is a bendable metal conducting wire. In addition, this application further provides a wireless charger to which the charging pad is applied.

公开(公告)号：US20220216734A1

公开(公告)日：2022-07-07

申请号：US17703709

申请日：2022-03-24

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shaojie FENG ,  Zhiqiang ZENG ,  Yongfa ZHU ,  Jin QIU

IPC: H02J50/12 ,  H02J50/00 ,  H02J7/00

Abstract: This application discloses a wireless charging system, and pertains to the field of wireless charging technologies. The system includes: a transmit apparatus and a receive apparatus; the transmit apparatus includes an inverter circuit and two transmit electrodes, an input terminal of the inverter circuit is connected to a direct-current power supply, and two output terminals of the inverter circuit are connected to the two transmit electrodes respectively; the receive apparatus includes two receive electrodes and a rectifier circuit, two input terminals of the rectifier circuit are connected to the two receive electrodes respectively, and an output terminal of the rectifier circuit is connected to a load.