CN114365376A - 一种无线充电设备及无线充电线圈的温度检测方法 - Google Patents

一种无线充电设备及无线充电线圈的温度检测方法 Download PDF

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Publication number
CN114365376A
CN114365376A CN202080062456.4A CN202080062456A CN114365376A CN 114365376 A CN114365376 A CN 114365376A CN 202080062456 A CN202080062456 A CN 202080062456A CN 114365376 A CN114365376 A CN 114365376A
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China
Prior art keywords
wireless charging
current
charging coil
temperature
voltage
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CN202080062456.4A
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English (en)
Inventor
刘宗文
王胆
刘浩东
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of CN114365376A publication Critical patent/CN114365376A/zh
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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
    • 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

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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

本申请实施例包括一种无线充电的设备，涉及无线充电领域，包括无线充电电路和温度检测器；其中，无线充电电路用于对无线充电线圈产生的感应电流进行整流并输出直流充电电流；温度检测器，用于获取所述无线充电线圈的两端的第一电压，获取流过所述无线充电线圈的第一电流，根据所述第一电压和所述第一电流确定所述无线充电线圈对应的温度；其中，所述第一电压为直流电压或低频交流电压，所述第一电流为直流电流或低频交流电流；这样，可以直接根据无线充电线圈自有的特征来计算其对应的温度，从而可以更准确及时的监控终端内部感应线圈的温度，提高充电设备的安全性和可靠性。

Description

PCT国内申请，说明书已公开。

Claims (11)

  1. PCT国内申请，权利要求书已公开。
CN202080062456.4A 2020-07-30 2020-07-30 一种无线充电设备及无线充电线圈的温度检测方法 Pending CN114365376A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/105779 WO2022021201A1 (zh) 2020-07-30 2020-07-30 一种无线充电设备及无线充电线圈的温度检测方法

Publications (1)

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CN114365376A true CN114365376A (zh) 2022-04-15

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CN202080062456.4A Pending CN114365376A (zh) 2020-07-30 2020-07-30 一种无线充电设备及无线充电线圈的温度检测方法

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CN (1) CN114365376A (zh)
WO (1) WO2022021201A1 (zh)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013169356A1 (en) * 2012-05-10 2013-11-14 Access Business Group International Llc System and method for measuring variable impedance elements in a wireless sensor
WO2016145136A1 (en) * 2015-03-10 2016-09-15 Globus Medical, Inc. Spinal cord stimulator system
US10855117B2 (en) * 2018-05-22 2020-12-01 WitTricity Corporation Extended foreign object detection signal processing
US10658878B2 (en) * 2018-08-31 2020-05-19 Apple Inc. Wireless charging system with temperature sensor array
CN111200304B (zh) * 2018-11-20 2022-04-08 北京小米移动软件有限公司 无线充电线圈的温度检测电路、方法、装置及存储介质

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