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1. WO2020197267 - DEVICE AND METHOD FOR PERFORMING POWER CORRECTION IN WIRELESS POWER TRANSMISSION SYSTEM

Publication Number WO/2020/197267
Publication Date 01.10.2020
International Application No. PCT/KR2020/004072
International Filing Date 25.03.2020
IPC
H02J 50/60 2016.01
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
60responsive to the presence of foreign objects, e.g. detection of living beings
H02J 50/80 2016.01
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
80involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
H02J 50/40 2016.01
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
Applicants
  • 엘지전자 주식회사 LG ELECTRONICS INC. [KR]/[KR]
Inventors
  • 박용철 PARK, Yongcheol
  • 육경환 YOOK, Gyunghwan
Agents
  • 인비전 특허법인 ENVISION PATENT & LAW FIRM
Priority Data
10-2019-003389525.03.2019KR
10-2019-005736316.05.2019KR
10-2019-007005713.06.2019KR
10-2019-007209618.06.2019KR
Publication Language Korean (KO)
Filing Language Korean (KO)
Designated States
Title
(EN) DEVICE AND METHOD FOR PERFORMING POWER CORRECTION IN WIRELESS POWER TRANSMISSION SYSTEM
(FR) DISPOSITIF ET PROCÉDÉ PERMETTANT D'EXÉCUTER UNE CORRECTION DE PUISSANCE DANS UN SYSTÈME DE TRANSMISSION DE PUISSANCE SANS FIL
(KO) 무선전력 전송 시스템에서 전력 보정을 수행하는 장치 및 방법
Abstract
(EN)
A wireless power transmitting device according to an embodiment of the present invention comprises: a power conversion unit configured to transmit, to a wireless power receiving device, wireless power generated on the basis of magnetic coupling, in a power transfer phase; and a communication/control unit receiving, from the wireless power receiving device operating at a first operation point, a first received power packet at the first operation point associated with power correction and a second received power packet at the first operation point to configure a first power correction curve on the basis of the first received power packet at the first operation point and the second received power packet at the first operation point, and receiving, from the wireless power receiving device operating at a second operation point, a first received power packet at the second operation point associated with power correction and a second received power packet at the second operation point to configure a second power correction curve on the basis of the first received power packet at the second operation point and the second received power packet at the second operation point.
(FR)
Un dispositif de transmission de puissance sans fil selon un mode de réalisation de la présente invention comprend : une unité de conversion de puissance configurée pour transmettre, à un dispositif de réception de puissance sans fil, une puissance sans fil générée sur la base d'un couplage magnétique, dans une phase de transfert de puissance ; et une unité de communication/commande recevant, en provenance du dispositif de réception de puissance sans fil fonctionnant à un premier point de fonctionnement, un premier paquet de puissance reçu au premier point de fonctionnement associé à une correction de puissance et un second paquet de puissance reçu au niveau du premier point de fonctionnement pour configurer une première courbe de correction de puissance sur la base du premier paquet de puissance reçu au niveau premier point de fonctionnement et du second paquet de puissance reçu au niveau du premier point de fonctionnement, et recevant, en provenance du dispositif de réception de puissance sans fil fonctionnant à un second point de fonctionnement, un premier paquet de puissance reçu au niveau du second point de fonctionnement associé à une correction de puissance et un second paquet de puissance reçu au niveau du second point de fonctionnement pour configurer une seconde courbe de correction de puissance sur la base du premier paquet de puissance reçu au niveau du second point de fonctionnement et du second paquet de puissance reçu au niveau du second point de fonctionnement.
(KO)
본 발명의 일 실시예에 따른 무선전력 전송장치는, 전력 전송 페이즈(power transfer phase)에서, 자기 커플링(magnetic coupling)에 기반하여 생성된 무선전력을 무선전력 수신장치로 전송하도록 구성된 전력 변환 유닛(power conversion unit) 및 제1 동작점에서 작동하는 상기 무선전력 수신장치로부터 전력 보정에 관련된 제1 동작점의 제1 수신전력패킷과 제1 동작점의 제2 수신전력패킷을 수신하여 상기 제1 동작점의 제1 수신전력패킷과 상기 제1 동작점의 제2 수신전력패킷을 기초로 제1 전력보정커브를 구성하고, 제2 동작점에서 작동하는 상기 무선전력 수신장치로부터 전력 보정에 관련된 제2 동작점의 제1 수신전력패킷과 제2 동작점의 제2 수신전력패킷을 수신하여 상기 제2 동작점의 제1 수신전력패킷과 상기 제2 동작점의 제2 수신전력패킷을 기초로 제2 전력보정커브를 구성하는 통신/컨트롤 유닛(communication/control unit)을 포함한다.
Also published as
EP2020743047
EP20743047.1
KRKR1020207025285
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