CN113615035A - 用于无线充电的功率匹配方法、装置及无线充电装置 - Google Patents

用于无线充电的功率匹配方法、装置及无线充电装置 Download PDF

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Publication number
CN113615035A
CN113615035A CN201980093388.5A CN201980093388A CN113615035A CN 113615035 A CN113615035 A CN 113615035A CN 201980093388 A CN201980093388 A CN 201980093388A CN 113615035 A CN113615035 A CN 113615035A
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sensing information
sensing
inductance
information
capacitance
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CN201980093388.5A
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English (en)
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万世铭
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Publication of CN113615035A publication Critical patent/CN113615035A/zh
Pending legal-status Critical Current

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    • 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
    • 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
    • H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
    • 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
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2210/00—Indexing scheme relating to details of tunable filters
    • H03H2210/02—Variable filter component
    • H03H2210/025—Capacitor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2210/00—Indexing scheme relating to details of tunable filters
    • H03H2210/02—Variable filter component
    • H03H2210/026—Inductor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2210/00—Indexing scheme relating to details of tunable filters
    • H03H2210/03—Type of tuning
    • H03H2210/036—Stepwise
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/38—Impedance-matching networks

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

Abstract

本公开公开一种用于无线充电的功率匹配方法、装置及无线充电装置。该方法包括：接收从无线发射端的发射线圈感测的第一感测信息；根据第一感测信息，检测谐振频率是否发生了改变；以及当谐振频率发生了改变时，调整无线发射端的发射线圈中电容的容量和/或调整发射线圈中电感的电感量，以使无线发射端的发射功率与无线接收端的接收功率相匹配；其中，第一感测信息包括：第一感测电压值或第一感测电流值。该方法可以有效避免由于谐振频率发生改变而导致的充电效率降低及无线接收端发热的问题。

Description

PCT国内申请，说明书已公开。

Claims (27)

  1. PCT国内申请，权利要求书已公开。
CN201980093388.5A 2019-04-28 2019-04-28 用于无线充电的功率匹配方法、装置及无线充电装置 Pending CN113615035A (zh)

Applications Claiming Priority (1)

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PCT/CN2019/084857 WO2020220174A1 (zh) 2019-04-28 2019-04-28 用于无线充电的功率匹配方法、装置及无线充电装置

Publications (1)

Publication Number Publication Date
CN113615035A true CN113615035A (zh) 2021-11-05

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CN201980093388.5A Pending CN113615035A (zh) 2019-04-28 2019-04-28 用于无线充电的功率匹配方法、装置及无线充电装置

Country Status (4)

Country Link
US (1) US20220029461A1 (zh)
EP (1) EP3955417B1 (zh)
CN (1) CN113615035A (zh)
WO (1) WO2020220174A1 (zh)

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CN103457362A (zh) * 2012-06-04 2013-12-18 比亚迪股份有限公司 无线充电的发送装置、无线充电***及无线充电控制方法
CN103595262A (zh) * 2013-11-04 2014-02-19 江苏科意达机械有限公司 一种无线充电***频率调节电路
CN104158269A (zh) * 2014-08-11 2014-11-19 长城信息产业股份有限公司 一种无线充电发射器、接收器、充电装置及无线充电方法
CN104218640A (zh) * 2014-08-29 2014-12-17 中国科学院电工研究所 具有多负载频率适应性的无线充电***
CN104638774A (zh) * 2014-08-13 2015-05-20 武汉泰可电气股份有限公司 磁耦合谐振式无线电能传输***和方法
CN105393432A (zh) * 2013-07-31 2016-03-09 松下电器产业株式会社 无线电力传输***以及送电装置
CN107104516A (zh) * 2017-05-03 2017-08-29 南京农业大学 一种汽车无线充电最大功率跟踪与矫正***
CN107124043A (zh) * 2016-02-25 2017-09-01 三星电机株式会社 无线电力发送器及用于无线发送电力的方法
CN108282030A (zh) * 2018-01-29 2018-07-13 重庆理工大学 一种自适应无线充电方法及装置
CN109075612A (zh) * 2016-03-15 2018-12-21 X2 动力科技有限公司 无线电能传输控制装置和方法
CN109245257A (zh) * 2018-10-31 2019-01-18 中天华信(天津)智能科技发展有限公司 一种无线充电***及充电功率调节方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
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JP3206244B2 (ja) * 1993-09-24 2001-09-10 松下電器産業株式会社 コードレス電話機
US9431169B2 (en) * 2013-06-07 2016-08-30 Qualcomm Incorporated Primary power supply tuning network for two coil device and method of operation
JPWO2015097805A1 (ja) * 2013-12-26 2017-03-23 三菱電機エンジニアリング株式会社 高周波整流回路用自動整合回路
CN103944277A (zh) * 2014-02-27 2014-07-23 广东美的生活电器制造有限公司 无线能量的传输***和提高无线能量传输效率的方法
JP6304158B2 (ja) * 2015-07-21 2018-04-04 トヨタ自動車株式会社 非接触送電装置及び電力伝送システム
CN105914903B (zh) * 2016-06-28 2018-12-25 中惠创智无线供电技术有限公司 一种用于控制输出电压的电路及方法

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103457362A (zh) * 2012-06-04 2013-12-18 比亚迪股份有限公司 无线充电的发送装置、无线充电***及无线充电控制方法
CN105393432A (zh) * 2013-07-31 2016-03-09 松下电器产业株式会社 无线电力传输***以及送电装置
CN103595262A (zh) * 2013-11-04 2014-02-19 江苏科意达机械有限公司 一种无线充电***频率调节电路
CN104158269A (zh) * 2014-08-11 2014-11-19 长城信息产业股份有限公司 一种无线充电发射器、接收器、充电装置及无线充电方法
CN104638774A (zh) * 2014-08-13 2015-05-20 武汉泰可电气股份有限公司 磁耦合谐振式无线电能传输***和方法
CN104218640A (zh) * 2014-08-29 2014-12-17 中国科学院电工研究所 具有多负载频率适应性的无线充电***
CN107124043A (zh) * 2016-02-25 2017-09-01 三星电机株式会社 无线电力发送器及用于无线发送电力的方法
CN109075612A (zh) * 2016-03-15 2018-12-21 X2 动力科技有限公司 无线电能传输控制装置和方法
CN107104516A (zh) * 2017-05-03 2017-08-29 南京农业大学 一种汽车无线充电最大功率跟踪与矫正***
CN108282030A (zh) * 2018-01-29 2018-07-13 重庆理工大学 一种自适应无线充电方法及装置
CN109245257A (zh) * 2018-10-31 2019-01-18 中天华信(天津)智能科技发展有限公司 一种无线充电***及充电功率调节方法

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WO2020220174A1 (zh) 2020-11-05
EP3955417A1 (en) 2022-02-16
EP3955417B1 (en) 2024-05-08
EP3955417A4 (en) 2022-04-27
US20220029461A1 (en) 2022-01-27

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