CA2975405A1 - Inductive power transmitter - Google Patents

Inductive power transmitter Download PDF

Info

Publication number
CA2975405A1
CA2975405A1 CA2975405A CA2975405A CA2975405A1 CA 2975405 A1 CA2975405 A1 CA 2975405A1 CA 2975405 A CA2975405 A CA 2975405A CA 2975405 A CA2975405 A CA 2975405A CA 2975405 A1 CA2975405 A1 CA 2975405A1
Authority
CA
Canada
Prior art keywords
coils
transmitter
coil
source
resonant
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.)
Abandoned
Application number
CA2975405A
Other languages
English (en)
French (fr)
Inventor
Liang Chen
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.)
PowerbyProxi Ltd
Original Assignee
PowerbyProxi Ltd
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 PowerbyProxi Ltd filed Critical PowerbyProxi Ltd
Publication of CA2975405A1 publication Critical patent/CA2975405A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/14—Inductive couplings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/006—Details of transformers or inductances, in general with special arrangement or spacing of turns of the winding(s), e.g. to produce desired self-resonance
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F30/00—Fixed transformers not covered by group H01F19/00
    • H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; 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—ELECTRIC POWER NETWORKS; 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—ELECTRIC POWER NETWORKS; 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
    • H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; 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
    • H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
    • H02J50/402—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; 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
    • H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries for charging batteries from AC mains by converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/60—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including safety or protection arrangements
    • H02J7/64—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including safety or protection arrangements against overvoltage
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/24—Inductive coupling
    • H04B5/26—Inductive coupling using coils
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/79—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for data transfer in combination with power transfer

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Inverter Devices (AREA)
  • Near-Field Transmission Systems (AREA)
CA2975405A 2015-02-03 2016-02-03 Inductive power transmitter Abandoned CA2975405A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562111327P 2015-02-03 2015-02-03
US62/111,327 2015-02-03
US201562234556P 2015-09-29 2015-09-29
US62/234,556 2015-09-29
PCT/NZ2016/050008 WO2016126167A1 (en) 2015-02-03 2016-02-03 Inductive power transmitter

Publications (1)

Publication Number Publication Date
CA2975405A1 true CA2975405A1 (en) 2016-08-11

Family

ID=56564396

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2975405A Abandoned CA2975405A1 (en) 2015-02-03 2016-02-03 Inductive power transmitter

Country Status (8)

Country Link
US (1) US11251661B2 (https=)
EP (1) EP3254352A4 (https=)
JP (1) JP2018506257A (https=)
KR (1) KR20170115569A (https=)
CN (2) CN107302846A (https=)
AU (1) AU2016216178A1 (https=)
CA (1) CA2975405A1 (https=)
WO (1) WO2016126167A1 (https=)

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US10923955B2 (en) 2017-08-29 2021-02-16 Apple Inc. Wireless power system with resonant circuit tuning
KR102413858B1 (ko) * 2017-08-31 2022-06-28 엘지전자 주식회사 제어 알고리즘이 개선된 유도 가열 및 무선 전력 전송 장치
WO2019045322A1 (ko) * 2017-08-31 2019-03-07 엘지전자 주식회사 제어 알고리즘이 개선된 유도 가열 및 무선 전력 전송 장치
KR102702930B1 (ko) * 2018-10-22 2024-09-05 엘지이노텍 주식회사 무선 전력 제어 방법 및 장치
CN110040011B (zh) * 2019-04-18 2021-06-22 浙江吉利控股集团有限公司 一种无线充电方法及控制装置
CN111740512B (zh) * 2020-08-21 2021-01-15 广东希荻微电子有限公司 一种无线充电发射端系统以及控制方法
US20240250563A1 (en) * 2020-11-04 2024-07-25 The Alfred E. Mann Foundation For Scientific Research Automatically-aligning magnetic field system
EP4241359B1 (en) * 2020-11-04 2024-10-16 The Alfred E. Mann Foundation for Scientific Research Automatically-aligning magnetic field system
US11715979B2 (en) * 2021-07-23 2023-08-01 Renesas Electronics America, Inc. Multi-element driver topology for element selection
CN113612321B (zh) * 2021-08-19 2023-10-17 昆山联滔电子有限公司 无线充电的控制方法及无线充电发射装置
AU2023207152B2 (en) 2022-01-13 2025-04-24 The Alfred E. Mann Foundation For Scientific Research Method and apparatus for pre-alignment of an automatically aligning magnetic field system
US12272967B2 (en) 2022-03-18 2025-04-08 The Alfred E. Mann Foundation For Scientific Research Automatically-aligning magnetic field system

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US8169185B2 (en) * 2006-01-31 2012-05-01 Mojo Mobility, Inc. System and method for inductive charging of portable devices
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Also Published As

Publication number Publication date
CN112510849A (zh) 2021-03-16
WO2016126167A9 (en) 2016-11-10
US20200204013A1 (en) 2020-06-25
WO2016126167A1 (en) 2016-08-11
AU2016216178A1 (en) 2017-09-07
CN107302846A (zh) 2017-10-27
EP3254352A1 (en) 2017-12-13
EP3254352A4 (en) 2017-12-13
JP2018506257A (ja) 2018-03-01
KR20170115569A (ko) 2017-10-17
US11251661B2 (en) 2022-02-15

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Legal Events

Date Code Title Description
FZDE Discontinued

Effective date: 20200204