SE541339C2 - A mobile device tester for precise inductive power measurement and a calibration unit therefor - Google Patents

A mobile device tester for precise inductive power measurement and a calibration unit therefor

Info

Publication number
SE541339C2
SE541339C2 SE1451610A SE1451610A SE541339C2 SE 541339 C2 SE541339 C2 SE 541339C2 SE 1451610 A SE1451610 A SE 1451610A SE 1451610 A SE1451610 A SE 1451610A SE 541339 C2 SE541339 C2 SE 541339C2
Authority
SE
Sweden
Prior art keywords
transmitter coil
primary transmitter
voltage
ptx
inductive power
Prior art date
Application number
SE1451610A
Other languages
English (en)
Other versions
SE1451610A1 (en
Inventor
Joakim Wallman
Martin Neckmar
Original Assignee
Nok9 Ip Ab
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 Nok9 Ip Ab filed Critical Nok9 Ip Ab
Priority to SE1451610A priority Critical patent/SE541339C2/en
Priority to KR1020150182047A priority patent/KR101901837B1/ko
Priority to JP2015247677A priority patent/JP6659349B2/ja
Priority to US14/974,693 priority patent/US10317440B2/en
Priority to TW104142764A priority patent/TWI701887B/zh
Priority to EP15201227.4A priority patent/EP3035490B1/en
Priority to CN201510965280.4A priority patent/CN105717389B/zh
Publication of SE1451610A1 publication Critical patent/SE1451610A1/en
Publication of SE541339C2 publication Critical patent/SE541339C2/en

Links

Classifications

    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R21/00—Arrangements for measuring electric power or power factor
    • G01R21/133—Arrangements for measuring electric power or power factor by using digital technique
    • 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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28—Testing of electronic circuits, e.g. by signal tracer
    • G01R31/2832—Specific tests of electronic circuits not provided for elsewhere
    • G01R31/2836—Fault-finding or characterising
    • G01R31/2839—Fault-finding or characterising using signal generators, power supplies or circuit analysers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/40—Testing power supplies

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
SE1451610A 2014-12-19 2014-12-19 A mobile device tester for precise inductive power measurement and a calibration unit therefor SE541339C2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE1451610A SE541339C2 (en) 2014-12-19 2014-12-19 A mobile device tester for precise inductive power measurement and a calibration unit therefor
KR1020150182047A KR101901837B1 (ko) 2014-12-19 2015-12-18 정밀한 유도 전력 측정을 위한 모바일 장치 테스터 및 그 보정 유닛
JP2015247677A JP6659349B2 (ja) 2014-12-19 2015-12-18 正確な誘導電力計測のためのモバイル装置テスタ及びこのテスタ用の較正ユニット
US14/974,693 US10317440B2 (en) 2014-12-19 2015-12-18 Mobile device tester for precise inductive power measurement and calibration unit therefor and method therefor
TW104142764A TWI701887B (zh) 2014-12-19 2015-12-18 用於精確感應電力測量的行動設備測試器和用於其的標定單元
EP15201227.4A EP3035490B1 (en) 2014-12-19 2015-12-18 A mobile device tester for precise inductive power measurement and a calibration unit therefor
CN201510965280.4A CN105717389B (zh) 2014-12-19 2015-12-21 用于精确感应电力测量的移动设备测试器和用于其的标定单元

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1451610A SE541339C2 (en) 2014-12-19 2014-12-19 A mobile device tester for precise inductive power measurement and a calibration unit therefor

Publications (2)

Publication Number Publication Date
SE1451610A1 SE1451610A1 (en) 2016-06-20
SE541339C2 true SE541339C2 (en) 2019-07-16

Family

ID=55023942

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1451610A SE541339C2 (en) 2014-12-19 2014-12-19 A mobile device tester for precise inductive power measurement and a calibration unit therefor

Country Status (7)

Country Link
US (1) US10317440B2 (https=)
EP (1) EP3035490B1 (https=)
JP (1) JP6659349B2 (https=)
KR (1) KR101901837B1 (https=)
CN (1) CN105717389B (https=)
SE (1) SE541339C2 (https=)
TW (1) TWI701887B (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE541339C2 (en) * 2014-12-19 2019-07-16 Nok9 Ip Ab A mobile device tester for precise inductive power measurement and a calibration unit therefor
US10116145B2 (en) * 2015-10-16 2018-10-30 uBeam Inc. Performance adjustment for wireless power transfer devices
EP3379268B1 (en) * 2017-03-23 2022-05-04 Rohde & Schwarz GmbH & Co. KG Test and measurement device and operating method
EP3547487B1 (en) * 2018-03-29 2020-03-25 NOK9 ip AB A testing device for testing a wireless power transmitter device, and an associated method
EP4089432A1 (en) 2021-05-14 2022-11-16 ElectDis AB Methods and systems for providing a secondary reference for wireless power transfer measurements and for evaluating a wireless power measurement device
KR20240149928A (ko) * 2022-02-11 2024-10-15 엘렉트디스 에이비 전력 보정 방법
TWI806675B (zh) * 2022-06-23 2023-06-21 瑞昱半導體股份有限公司 發射器與功率校正方法
CN121027611B (zh) * 2025-10-31 2025-12-30 青岛英利达新能源有限公司 一种提高电能表电流采样精度的补偿方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130026847A1 (en) * 2011-07-28 2013-01-31 Samsung Electronics Co., Ltd. Wireless power transmission system, method and apparatus for tracking resonance frequency in wireless power transmission system

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1751834B1 (en) * 2004-05-11 2009-12-02 Access Business Group International LLC Controlling inductive power transfer systems
GB2414120B (en) * 2004-05-11 2008-04-02 Splashpower Ltd Controlling inductive power transfer systems
US7952322B2 (en) * 2006-01-31 2011-05-31 Mojo Mobility, Inc. Inductive power source and charging system
DE102008034109B4 (de) * 2008-07-21 2016-10-13 Dspace Digital Signal Processing And Control Engineering Gmbh Schaltung zur Nachbildung einer elektrischen Last
EP2340595B1 (de) * 2008-10-20 2012-08-08 Siemens Aktiengesellschaft Vorrichtung und verfahren zur blindleistungskompensation eines prüftransformators
GB2490074B (en) * 2010-02-08 2014-02-19 Access Business Group Int Llc Input parasitic metal detection
US9148201B2 (en) * 2011-02-11 2015-09-29 Qualcomm Incorporated Systems and methods for calibration of a wireless power transmitter
US20120206113A1 (en) * 2011-02-14 2012-08-16 Frank William Kogel Parameter configuration method for elements of a power factor correction converter
US9190851B2 (en) 2011-06-24 2015-11-17 Samsung Electro-Mechanics Calibration and assignment processes in wireless power transfer systems
US20140252866A1 (en) * 2011-11-03 2014-09-11 Jim Walsh Presence and range detection of wireless power receiving devices and method thereof
PL2909917T3 (pl) * 2012-10-16 2021-07-05 Koninklijke Philips N.V. Bezprzewodowe indukcyjne przesyłanie energii
CN103545882B (zh) * 2013-10-11 2015-07-22 华为技术有限公司 电池在位检测方法、装置及充电系统
US9391470B2 (en) * 2013-11-06 2016-07-12 Blackberry Limited Energy transfer optimization by detecting and mitigating magnetic saturation in wireless charging with foreign object detection
CN103728533B (zh) * 2014-01-16 2016-05-18 北京航空航天大学 一种大功率非接触充电系统主电路故障检测装置
SE541339C2 (en) * 2014-12-19 2019-07-16 Nok9 Ip Ab A mobile device tester for precise inductive power measurement and a calibration unit therefor
US9985481B2 (en) * 2016-03-28 2018-05-29 Intel IP Corporation Dynamic power adjustment mechanism for mitigating wireless power interference
EP3244542B1 (en) * 2016-05-09 2019-07-24 Intel IP Corporation Method and device for mitigating interference due to a wireless charging signal

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130026847A1 (en) * 2011-07-28 2013-01-31 Samsung Electronics Co., Ltd. Wireless power transmission system, method and apparatus for tracking resonance frequency in wireless power transmission system

Also Published As

Publication number Publication date
CN105717389B (zh) 2020-09-15
JP6659349B2 (ja) 2020-03-04
EP3035490B1 (en) 2019-08-14
TWI701887B (zh) 2020-08-11
US20160178676A1 (en) 2016-06-23
CN105717389A (zh) 2016-06-29
KR20160075369A (ko) 2016-06-29
US10317440B2 (en) 2019-06-11
TW201633659A (zh) 2016-09-16
JP2016140234A (ja) 2016-08-04
EP3035490A1 (en) 2016-06-22
SE1451610A1 (en) 2016-06-20
KR101901837B1 (ko) 2018-11-07

Similar Documents

Publication Publication Date Title
US10317440B2 (en) Mobile device tester for precise inductive power measurement and calibration unit therefor and method therefor
EP3815265B1 (en) Enhanced method for foreign objects detection
JP2016140234A5 (https=)
US10042029B2 (en) Calibration of test instrument over extended operating range
KR102038814B1 (ko) 임피던스 추정 장치
US8400165B2 (en) Power calibration system
US20160124032A1 (en) Data measurements and methods
US10845390B2 (en) System for measuring the voltage of a busbar
US20220416588A1 (en) Wireless charging method, device and system
CN107861091B (zh) 一种基于动态电能校准器的动态性能溯源方法
US10436827B2 (en) Measurement device and method for measuring the impedance of a device under test
US6853176B2 (en) Power measurement apparatus and method therefor
US10718635B2 (en) Contact detection circuit of four-terminal measurement device
CN107589396B (zh) 一种基于常规电能校准器的动态性能溯源方法
JP2025507334A (ja) 電力較正方法
JP2016099194A (ja) 無線周波数パラメーターの校正方法
US10345420B2 (en) Method, a calibration unit and a system for determining system errors and power values for the calibration of a network analyser
US20150061691A1 (en) Method and Apparatus for Estimating the Noise Introduced by a Device
Crotti et al. Frequency calibration of MV voltage transformer under actual waveforms
US11480536B2 (en) Method and sensor for determining the permittivity of a cell population
CN210427784U (zh) 分压电路参数的检测电路及电能计量芯片
RU54206U1 (ru) Устройство для измерения параметров сигнала
KR100626207B1 (ko) 자체 송수신 장치를 이용한 케이블 캘리브레이션 방법 및그 장치와, 그 방법을 포함하는 프로그램을 저장한기록매체
US20160146920A1 (en) Rf parameter calibration method
Minami et al. Measurement accuracy verification for real-time power and impedance sensor for wireless power transfer systems