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WO2021096327A1 - Récepteur d'énergie sans fil et procédé de commande du récepteur d'énergie sans fil - Google Patents

Récepteur d'énergie sans fil et procédé de commande du récepteur d'énergie sans fil Download PDF

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Publication number
WO2021096327A1
WO2021096327A1 PCT/KR2020/016103 KR2020016103W WO2021096327A1 WO 2021096327 A1 WO2021096327 A1 WO 2021096327A1 KR 2020016103 W KR2020016103 W KR 2020016103W WO 2021096327 A1 WO2021096327 A1 WO 2021096327A1
Authority
WO
WIPO (PCT)
Prior art keywords
switch
wireless power
conversion circuit
power
circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2020/016103
Other languages
English (en)
Korean (ko)
Inventor
변강호
문건우
이영달
구범우
김동민
정석용
정지훈
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Korea Advanced Institute of Science and Technology KAIST
Original Assignee
Samsung Electronics Co Ltd
Korea Advanced Institute of Science and Technology KAIST
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd, Korea Advanced Institute of Science and Technology KAIST filed Critical Samsung Electronics Co Ltd
Publication of WO2021096327A1 publication Critical patent/WO2021096327A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
    • H02J7/04—Regulation of charging current or voltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
    • H02M7/02—Conversion of AC power input into DC power output without possibility of reversal
    • H02M7/04—Conversion of AC power input into DC power output without possibility of reversal by static converters
    • H02M7/12—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode

Definitions

  • It relates to a wireless power receiver and a control method of the wireless power receiver.
  • the resonance circuit 114 may include at least one capacitor C P and a transmission coil.
  • the wireless power receiver may include a resonance circuit 121, a rectifier circuit 122, a converter 123, and a battery 124.
  • the resonance circuit 121 of the wireless power receiver may include at least one capacitor C s and at least one receiving coil, and generates AC power based on a magnetic field generated by the resonance circuit 114 of the wireless power transmitter. Can occur.
  • the rectifier circuit 122 may include four diodes (D 1 , D 2 , D 3 , D 4 ) and a capacitor (C 0 ), and the AC power generated in the resonance circuit 114 of the wireless power transmitter is DC power.
  • the wireless power receiver includes a power conversion circuit, and may adjust at least one of a voltage or a current of power output from the power conversion circuit by adjusting a phase of a signal applied to a gate of a switch in the power conversion circuit. have. Accordingly, the wireless power receiver according to the exemplary embodiments may output an appropriate voltage or an appropriate current for charging the battery using a single power conversion circuit, instead of each having a rectifier circuit and a converter. Accordingly, the wireless power receiver according to the exemplary embodiments requires a smaller number of elements and can be produced in a small volume compared to the wireless power receiver each having a rectifier circuit and a converter.
  • 2B is a block diagram of a wireless power receiver according to various embodiments.
  • 5A illustrates an equivalent circuit of a wireless transmission/reception system performing wireless charging according to various embodiments.
  • FIG 9 illustrates a gain according to phase adjustment in a wireless power receiver according to various embodiments.
  • 11A illustrates an equivalent circuit of a wireless transmission/reception system performing wireless charging according to various embodiments.
  • FIG. 4 illustrates various signals in a wireless transmission/reception system performing wireless charging according to various embodiments.
  • FIG. 4 is a control signal applied to a plurality of switches (S 3 , S 4 ) of the wireless power receiver 320 shown in FIG. 3 is a plurality of switches (S 1 , S 2 ) of the wireless power transmitter 310. ), and the waveforms of voltage and/or current in the wireless power transmitter and wireless power receiver, and various control signals in a wireless transmission/reception system performing wireless charging when synchronized with a control signal applied to ).
  • FIG. 4 is a control signal applied to a plurality of switches S 3 and S 4 of the wireless power receiver 320 illustrated in FIG. 3 and a plurality of switches S 1 and S 2 of the wireless power transmitter 310.
  • V p shows a waveform of a voltage applied to the transmitting side including the inductor L lkp , the inductor L M , and the transmitting coil L P.
  • i p shows the waveform of the current flowing through the inductor L lkp shown in FIG. 3.
  • i s shows the waveform of the current flowing through the receiving coil L S shown in FIG. 3.
  • FIG. 5A illustrates an equivalent circuit of a wireless transmission/reception system performing wireless charging according to various embodiments. Specifically, FIG. 5A shows an equivalent circuit of the wireless power transmitter 310 and the wireless power receiver 320 shown in FIG. 3 in a section from t 0 to t 1 in FIG. 4.
  • the first control signal 610 may be a control signal applied to a plurality of switches S 1 and S 2 of the wireless power transmitter 310.
  • the first control signal 610 may control the switch S 1 to be turned on and the switch S 2 to be turned off in a period from t 0 ′ to t 3 ′.
  • the first control signal 610 is t 0 ' In the section immediately before and immediately after t 3 ′, the switch S 1 may be controlled in an off state, and the switch S 2 may be controlled in an on state.
  • FIG. 7A illustrates an equivalent circuit of a wireless transmission/reception system performing wireless charging according to various embodiments. Specifically, FIG. 7A shows an equivalent circuit of the wireless power transmitter 310 and the wireless power receiver 320 shown in FIG. 3 in a section from t 0 ′ to t 1 ′ in FIG. 6.
  • a control circuit eg, control circuit 240b of a wireless power receiver (eg, wireless power receiver 200b) is at least one unit included in the wireless power transmitter. 1 It is possible to check the phase of the first control signal for controlling the switch (eg, switches S 1 and S 2 ).
  • the first control signal may be a signal applied to a gate of a MOSFET included in at least one first switch (eg, switches S 1 and S 2 ).
  • the wireless power receiver 1120 is shown to include one switch S 3 , but according to various embodiments, the wireless power receiver 1120 is the switches S 3 and S 4 shown in FIG. 2A. Similarly, it can contain two switches.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

Selon divers modes de réalisation, l'invention concerne un récepteur d'énergie sans fil, destiné à recevoir de l'énergie sans fil en provenance d'un émetteur d'énergie sans fil, qui comprend : un circuit résonant configuré pour générer de la puissance en courant alternatif sur la base d'un champ magnétique généré par l'émetteur d'énergie sans fil ; un circuit de conversion de puissance configuré pour convertir la puissance en courant alternatif générée par le circuit résonant en puissance en courant continu ; et un circuit de commande, le circuit de conversion de puissance comprenant une première diode, une deuxième diode, une troisième diode, une quatrième diode et un premier interrupteur, et le circuit de commande pouvant être configuré pour ajuster au moins une grandeur parmi la tension et le courant de la puissance en courant continu délivrée par le circuit de conversion de puissance, par contrôle de ladite au moins une grandeur parmi la tension et le courant de la puissance en courant continu délivrée par le circuit de conversion de puissance et ajustement d'une phase d'un premier signal de commande à appliquer au premier interrupteur. Divers autres modes de réalisation sont possibles.
PCT/KR2020/016103 2019-11-14 2020-11-16 Récepteur d'énergie sans fil et procédé de commande du récepteur d'énergie sans fil Ceased WO2021096327A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20190145640 2019-11-14
KR10-2019-0145640 2019-11-14

Publications (1)

Publication Number Publication Date
WO2021096327A1 true WO2021096327A1 (fr) 2021-05-20

Family

ID=75913126

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2020/016103 Ceased WO2021096327A1 (fr) 2019-11-14 2020-11-16 Récepteur d'énergie sans fil et procédé de commande du récepteur d'énergie sans fil

Country Status (2)

Country Link
KR (1) KR20210058737A (fr)
WO (1) WO2021096327A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102813390B1 (ko) * 2023-09-19 2025-05-26 부산대학교 산학협력단 확장된 범위에서 동작하는 생체 이식형 배터리의 무선 충전 장치
KR102768856B1 (ko) * 2024-04-25 2025-02-18 한화시스템 주식회사 eVTOL용 무선 전력 전송 장치

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150349573A1 (en) * 2014-05-30 2015-12-03 Infineon Technologies Austria Ag Single Stage Rectification and Regulation for Wireless Charging Systems
KR20170050971A (ko) * 2015-11-02 2017-05-11 현대자동차주식회사 무선 전력 전송 시스템용 능동 정류기와 이를 이용하는 차량 어셈블리 및 그 작동 방법
US20170256958A1 (en) * 2016-03-04 2017-09-07 Qualcomm Incorporated High frequency multi-level rectification
KR101890657B1 (ko) * 2017-12-28 2018-08-23 (주)그린파워 스위칭 손실을 저감하기 위한 무선전력 전송장치의 집전장치, 집전시스템 및 그 제어방법
KR20190072818A (ko) * 2017-12-18 2019-06-26 부경대학교 산학협력단 배터리 충전 장치 및 그 제어 방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150349573A1 (en) * 2014-05-30 2015-12-03 Infineon Technologies Austria Ag Single Stage Rectification and Regulation for Wireless Charging Systems
KR20170050971A (ko) * 2015-11-02 2017-05-11 현대자동차주식회사 무선 전력 전송 시스템용 능동 정류기와 이를 이용하는 차량 어셈블리 및 그 작동 방법
US20170256958A1 (en) * 2016-03-04 2017-09-07 Qualcomm Incorporated High frequency multi-level rectification
KR20190072818A (ko) * 2017-12-18 2019-06-26 부경대학교 산학협력단 배터리 충전 장치 및 그 제어 방법
KR101890657B1 (ko) * 2017-12-28 2018-08-23 (주)그린파워 스위칭 손실을 저감하기 위한 무선전력 전송장치의 집전장치, 집전시스템 및 그 제어방법

Also Published As

Publication number Publication date
KR20210058737A (ko) 2021-05-24

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