Processing

Please wait...

Settings

Settings

Goto Application

1. WO2022252949 - WIRELESS CHARGING RECEIVING DEVICE, ELECTRONIC DEVICE AND WIRELESS CHARGING SYSTEM

Publication Number WO/2022/252949
Publication Date 08.12.2022
International Application No. PCT/CN2022/092290
International Filing Date 11.05.2022
IPC
H02J 50/40 2016.1
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
50Circuit arrangements or systems for wireless supply or distribution of electric power
40using two or more transmitting or receiving devices
H02J 50/05 2016.1
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
50Circuit arrangements or systems for wireless supply or distribution of electric power
05using capacitive coupling
CPC
H02J 50/05
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
50Circuit arrangements or systems for wireless supply or distribution of electric power
05using capacitive coupling
H02J 50/12
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
50Circuit arrangements or systems for wireless supply or distribution of electric power
10using inductive coupling
12of the resonant type
H02J 50/40
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
50Circuit arrangements or systems for wireless supply or distribution of electric power
40using two or more transmitting or receiving devices
H02J 50/90
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
50Circuit arrangements or systems for wireless supply or distribution of electric power
90involving detection or optimisation of position, e.g. alignment
H02J 7/02
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
7Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
02for charging batteries from ac mains by converters
H02J 7/04
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
7Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
02for charging batteries from ac mains by converters
04Regulation of charging current or voltage
Applicants
  • 华为技术有限公司 HUAWEI TECHNOLOGIES CO., LTD. [CN]/[CN]
Inventors
  • 裴昌盛 PEI, Changsheng
  • 于文超 YU, Wenchao
Agents
  • 北京润泽恒知识产权代理有限公司 BEIJING RUN ZEHENG INTELLECTUAL PROPERTY LAW FIRM
Priority Data
202110605519.231.05.2021CN
Publication Language Chinese (zh)
Filing Language Chinese (ZH)
Designated States
Title
(EN) WIRELESS CHARGING RECEIVING DEVICE, ELECTRONIC DEVICE AND WIRELESS CHARGING SYSTEM
(FR) DISPOSITIF DE RÉCEPTION DE CHARGE SANS FIL, DISPOSITIF ÉLECTRONIQUE ET SYSTÈME DE CHARGE SANS FIL
(ZH) 无线充电接收设备、电子设备和无线充电系统
Abstract
(EN) Provided in the embodiments of the present application are a wireless charging receiving device, an electronic device and a wireless charging system. The wireless charging receiving device comprises: a first receiving circuit and a second receiving circuit, which are arranged in parallel, wherein the first receiving circuit and the second receiving circuit are used for charging a load. The first receiving circuit comprises a first series resonant circuit, a capacitor circuit and a first rectifier, wherein a first output end and a second output end of the first series resonant circuit are respectively coupled to a first input end and a second input end of the first rectifier; and the capacitor circuit comprises a plurality of capacitor branches, the plurality of capacitor branches are coupled between the first output end and the second output end of the first series resonant circuit in parallel, and each of the plurality of capacitor branches comprises at least one capacitor and at least one switch. By means of the wireless charging receiving device provided in the present application, the output of high-power electric energy can be achieved by using fewer devices.
(FR) Les modes de réalisation de la présente demande concernent un dispositif de réception de charge sans fil, un dispositif électronique et un système de charge sans fil. Le dispositif de réception de charge sans fil comprend : un premier circuit de réception et un second circuit de réception, qui sont agencés en parallèle, le premier circuit de réception et le second circuit de réception étant utilisés pour charger une charge. Le premier circuit de réception comprend un premier circuit résonnant en série, un circuit condensateur et un premier redresseur. Une première extrémité de sortie et une seconde extrémité de sortie du premier circuit résonnant en série sont respectivement couplées à une première extrémité d'entrée et à une seconde extrémité d'entrée du premier redresseur ; et le circuit condensateur comprend une pluralité de branches de condensateur, la pluralité de branches de condensateur étant couplées en parallèle entre la première extrémité de sortie et la seconde extrémité de sortie du premier circuit résonnant en série, et chaque branche de la pluralité de branches de condensateur comprend au moins un condensateur et au moins un commutateur. Au moyen du dispositif de réception de charge sans fil selon la présente demande, la sortie d'énergie électrique haute puissance peut être obtenue en utilisant moins de dispositifs.
(ZH) 本申请实施例提供了一种无线充电接收设备、电子设备和无线充电系统,无线充电接收设备包括:并联设置的第一接收电路和第二接收电路,第一接收电路和第二接收电路用于向负载充电;第一接收电路包括第一串联谐振电路、电容电路和第一整流器;第一串联谐振电路的第一输出端和第二输出端分别耦合至第一整流器的第一输入端和第二输入端;电容电路包括多个电容支路,多个电容支路并联耦合在第一串联谐振电路的第一输出端和第二输出端之间,多个电容支路中的每一个电容支路均包括至少一个电容和至少一个开关,本申请提供的无线充电接收设备可以采用较少的器件实现大功率电能的输出。
Related patent documents
Latest bibliographic data on file with the International Bureau