WO2019136888A1 - 无线充电器、发射端及充电方法 - Google Patents

无线充电器、发射端及充电方法 Download PDF

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Publication number
WO2019136888A1
WO2019136888A1 PCT/CN2018/085687 CN2018085687W WO2019136888A1 WO 2019136888 A1 WO2019136888 A1 WO 2019136888A1 CN 2018085687 W CN2018085687 W CN 2018085687W WO 2019136888 A1 WO2019136888 A1 WO 2019136888A1
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Prior art keywords
protocol
wireless
wireless charging
output voltage
charger
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PCT/CN2018/085687
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English (en)
French (fr)
Inventor
桑堇馨
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深圳市蓝禾技术有限公司
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Publication of WO2019136888A1 publication Critical patent/WO2019136888A1/zh

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/80Circuit 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

Definitions

  • the present invention relates to wireless charging technology.
  • Wireless charging technology is increasingly being applied to mobile terminals.
  • wireless chargers provided on the market mostly use fixed input and output voltages when charging mobile terminals supporting different protocols, resulting in poor charging efficiency of some mobile terminals and relatively low charging speed.
  • How to enable users to enjoy wireless charging while improving charging efficiency and increasing charging speed is one of the problems that the industry needs to solve.
  • An aspect of the present invention provides a charging method of a wireless charger
  • An aspect of the present invention provides a transmitting end of a wireless charger
  • Another aspect of the present invention provides a wireless charger for charging a device to be charged.
  • An aspect of the present invention provides a charging method for a wireless charger, including:
  • the detecting the wireless charging protocol supported by the charging device comprises:
  • operating the wireless charger under the input voltage and the output voltage comprises:
  • the input voltage and the output voltage of the wireless charger corresponding to the wireless charging protocol are determined by a look-up table method.
  • the wireless charging protocol is the Samsung SPC 10W protocol
  • the input voltage of the wireless charger is 9V
  • the output voltage is 9V
  • the wireless charging protocol is the Apple 7.5W protocol
  • the input voltage of the wireless charger is 9V
  • the output voltage is 5V
  • the wireless charging protocol is the Qi EPP 15W protocol
  • the input voltage of the wireless charger is 12V
  • the output voltage is 9V
  • the wireless charging protocol is the Qi BPP5W protocol
  • the input voltage of the wireless charger is 5V
  • the output voltage is 5V.
  • Another aspect of the present invention provides a transmitting end of a wireless charger, where the wireless charger is used to charge a device to be charged, including:
  • a wireless charging transmitter coil for transmitting and receiving wireless signals
  • an inverter circuit configured to provide an alternating voltage to the wireless charging transmitting end coil
  • a detecting module configured to detect a wireless charging protocol supported by the charged device
  • the control module is configured to operate the wireless charger under an input voltage and an output voltage corresponding to a wireless charging protocol supported by the charged device according to the detection result of the detecting module.
  • the detecting module comprises:
  • a first message sending module configured to send a protocol detection message to the charged device
  • a first message receiving module configured to receive a protocol detection feedback message returned by the charged device
  • an identification module configured to identify a wireless charging protocol supported by the charged device according to the protocol detection feedback message.
  • control module includes:
  • a voltage determining module configured to determine the input voltage and the output voltage according to the detection result of the detecting module
  • a second message sending module configured to send an input voltage demand message to the external charger
  • the third message sending module is configured to send an output voltage requirement message to the receiving end of the wireless charger.
  • the wireless charging protocol is the Samsung SPC 10W protocol
  • the input voltage of the wireless charger is 9V
  • the output voltage is 9V
  • the wireless charging protocol is the Apple 7.5W protocol
  • the input voltage of the wireless charger is 9V
  • the output voltage is 5V
  • the wireless charging protocol is the Qi EPP 15W protocol
  • the input voltage of the wireless charger is 12V
  • the output voltage is 9V
  • the wireless charging protocol is the Qi BPP5W protocol
  • the input voltage of the wireless charger is 5V
  • the output voltage is 5V.
  • Still another aspect of the present invention provides a wireless charger for charging a device to be charged, including:
  • a wireless charging transmitter that can be connected to an external charger
  • a wireless charging receiving end wirelessly coupled with the wireless charging transmitting end
  • a detecting module configured to detect a wireless charging protocol supported by the charged device
  • a control module configured to operate the wireless charger under an input voltage and an output voltage corresponding to a wireless charging protocol supported by the charged device according to the detection result of the detecting module.
  • FIG. 1 shows a wireless charger in accordance with an embodiment of the present invention
  • FIG. 2 shows a transmitting end of a wireless charger in accordance with an embodiment of the present invention
  • FIG. 3 shows the detection module of FIG. 2.
  • FIG. 5 illustrates a receiving end of a wireless charger in accordance with an embodiment of the present invention
  • FIG. 6 illustrates a method of charging a wireless charger in accordance with an embodiment of the present invention.
  • invention embodiment
  • FIG. 1 shows a wireless charger 10 according to an embodiment of the invention, including:
  • [0054] can be connected to the wireless charging transmitter 12 of the external charger
  • wireless charging receiver 14 wirelessly coupled with the wireless charging transmitter 12
  • the detecting module 16 is configured to detect a wireless charging protocol supported by the charged device
  • the control module 18 is configured to operate the wireless charger under an input voltage and an output voltage corresponding to a wireless charging protocol supported by the powered device according to the detection result of the detecting module 16.
  • the detecting module 16 and the control module 18 are disposed at the wireless charging transmitting end 12.
  • FIG. 2 shows a wireless charging transmitter 12, including a connector 20, a transmitting coil 24, an inverter circuit 26, a detecting module 16, and a control module 18, in accordance with an embodiment of the present invention:
  • the connector 20 is for connecting an external charger 22.
  • charger 22 includes a rectifier circuit 28 that converts an external AC voltage to a DC voltage and another connector 30 that is powered by the DC voltage.
  • the rectifier circuit 28 can be a full-bridge rectifier circuit, and the external AC voltage can be, for example, 220V mains AC.
  • the DC voltage input to the connector 30 can be, for example, low after the DC voltage output from the rectifier circuit 24 is stepped down. DC voltage at 20V.
  • the charger 22 can output different levels of voltages such as 5V, 9V, 14.5V and 20V.
  • the connector 20 can be a Lightning connector
  • the connector 30 can be a USB Type C female connector
  • the connector 20 can be coupled to the connector 30 via a adapter. It is to be understood that the present invention is not limited thereto, and the above connector may be other types of connectors that can be mated with each other, or that the connector 20 may be directly coupled to the connector 30 without a conversion joint.
  • the inverter circuit 26 may be a bridge inverter circuit capable of converting a DC voltage input through the connector 20 into an AC voltage of a specific frequency to the transmitting end coil 24, and the transmitting end coil 24 may transmit and receive a wireless signal.
  • the detection module 16 is configured to detect a wireless charging protocol supported by the charged device. Referring to FIG. 3, the detection module 16 may include a first message sending module 162, a first message receiving module 164, and an identification module 166.
  • the first message sending module 162 is configured to send a protocol detection message to the device to be charged; the first message receiving module 164 is configured to receive the protocol detection feedback message returned by the charging device; the identification module 166 is configured to identify the feedback message according to the protocol detection The wireless charging protocol supported by the charging device.
  • the first message sending module 1 62 sends a message and the first message receiving module 164 receives the message, which are both transmitted and received via the transmitting end coil 24.
  • the control module 18 is configured to operate the wireless charger at an input voltage and an output voltage corresponding to a wireless charging protocol supported by the charged device according to the detection result of the detecting module 16.
  • the control module 18 can include a voltage determination module 182, a second message transmission module 184, and a third message transmission module 186.
  • the voltage determining module 182 is configured to determine an input voltage and an output voltage of the wireless charger corresponding to the wireless charging protocol supported by the charged device according to the detection result of the detecting module 16.
  • the voltage determining module 182 can determine the input voltage and the output voltage of the wireless charger corresponding to the wireless charging protocol by means of a look-up table.
  • the second message sending module 184 is configured to send an input voltage demand message to the external charger via the connector 20 to cause the external charger to output an input voltage required by the wireless charger.
  • the third message sending module 1 86 is configured to send an output voltage demand message to the receiving end of the wireless charger via the transmitting end coil 24, so that the receiving end of the wireless charger outputs the required output voltage.
  • the wireless charging protocol supported by the charging device is the Samsung SPC 10W protocol
  • the input voltage of the wireless charger is 9V
  • the output voltage is 9V
  • the wireless charging protocol is Apple 7.5W.
  • the input voltage of the wireless charger is 9V
  • the output voltage is 5V
  • the wireless charging protocol is the Qi EPP 15W protocol
  • the input voltage of the wireless charger is 12V
  • the output voltage is 9V
  • the wireless charging protocol is the Qi BPP5W protocol
  • the input voltage of the wireless charger is 5V
  • the output voltage is 5V.
  • the above configuration can match the wireless charger with the charging protocol supported by the charged device, thereby improving the charging efficiency and increasing the charging speed.
  • the wireless charging receiving end 14 may include a receiving end coil 32, a rectifying and voltage regulating circuit 35.
  • the receiving end coil 32 is electromagnetically coupled to the transmitting end coil 24 to receive or transmit a wireless signal.
  • the receiving coil 32 can induce an alternating voltage from the wireless charging signal transmitted from the transmitting coil 24.
  • the rectifying and voltage regulating circuit 35 may include a bridge rectifying circuit that converts an alternating current voltage generated by the receiving end coil 32 into a straight Current voltage.
  • the rectifying and voltage regulating circuit 35 further includes a voltage regulating circuit and a filtering circuit for generating a stable DC voltage of a specific magnitude from the converted DC voltage.
  • the DC voltage output from the rectification and voltage regulating circuit 35 can be used as a power source to charge the device 40 to be charged.
  • the charged device 40 may preferably be a mobile terminal such as a mobile phone, a tablet, or the like.
  • the charged device is an Apple mobile phone, a tablet computer or other smart terminal, and the wireless charging receiving end 30 can be provided with a connector, preferably a Lightning male connector, and the Lightning male connector can be inserted.
  • the Smarting female connector of the Apple smart terminal charges the smart terminal. It will be appreciated that the connector of the wireless charging receiver 30 can also be other types of connectors.
  • the wireless charging receiver may also be integrated within the device being charged.
  • FIG. 6 is a flowchart of a charging method of a wireless charger according to an embodiment of the present invention, including:
  • S1 detecting a wireless charging protocol supported by the charging device; preferably, S1 includes:
  • S13 identifies a wireless charging protocol supported by the charged device according to the protocol detection feedback message.
  • S2 determining, according to the wireless charging protocol supported by the device to be charged, an input voltage and an output voltage of the corresponding wireless charger; preferably, determining, by means of a table lookup, corresponding to the wireless charging protocol The input voltage and output voltage of the wireless charger.
  • S3 The wireless charger is operated under the input voltage and the output voltage.
  • S3 comprises:
  • the input voltage and the output voltage of the wireless charger are adjusted accordingly, so that the input voltage and the output voltage of the wireless charger are supported by the charged device.
  • the charging protocols are matched to improve charging efficiency and increase charging speed.

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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

本发明公开无线充电器、发射端及充电方法。所述充电方法包括:检测被充电设备所支持的无线充电协议;依据所述被充电设备所支持的无线充电协议确定对应的所述无线充电器的输入电压和输出电压;以及使所述无线充电器在所述输入电压和输出电压下工作。本发明的实施例中,使得无线充电器的输入电压和输出电压与被充电设备所支持的充电协议相匹配,从而可以改善充电效率,提高充电速度。

Description

无线充电器、 发射端及充电方法 技术领域
[0001] 本发明涉及无线充电技术。
背景技术
[0002] 无线充电技术越来越多地应用于移动终端。 目前, 市场上提供的无线充电器, 给支持不同协议的移动终端充电时, 大多采用固定的输入输出电压, 导致有的 移动终端的充电效率较差, 充电速度相对较低。 如何使用户享受无线充电便捷 的同时改善充电效率, 提高充电速度是业界需要解决的问题之一。
发明概述
技术问题
[0003] 本发明一方面提供一种无线充电器的充电方法;
[0004] 本发明一方面提供一种无线充电器的发射端;
[0005] 本发明再一方面提供一种用于给被充电设备充电的无线充电器。
问题的解决方案
技术解决方案
[0006] 本发明一方面提供一种无线充电器的充电方法, 包括:
[0007] 检测被充电设备所支持的无线充电协议;
[0008] 依据所述被充电设备所支持的无线充电协议确定对应的所述无线充电器的输入 电压和输出电压;
[0009] 使所述无线充电器在所述输入电压和输出电压下工作。
[0010] 较佳的, 所述检测被充电设备所支持的无线充电协议包括:
[0011] 向所述被充电设备发送协议检测消息;
[0012] 接收所述被充电设备返回的协议检测反馈消息; 以及
[0013] 依据所述协议检测反馈消息识别所述被充电设备所支持的无线充电协议。
[0014] 较佳的, 使所述无线充电器在所述输入电压和输出电压下工作包括:
[0015] 向所述无线充电器的外部充电器发送输入电压需求消息; 以及 [0016] 向所述无线充电器接收端的电压调节电路发送输出电压需求消息。
[0017] 较佳的, 通过查表的方法确定与所述无线充电协议对应的无线充电器的输入电 压和输出电压。
[0018] 较佳的, 所述无线充电协议为三星 SPC 10W协议时, 使所述无线充电器的输入 电压为 9V, 输出电压为 9V; 或者
[0019] 所述无线充电协议为苹果 7.5W协议时, 使所述无线充电器的输入电压为 9V, 输出电压为 5V; 或者
[0020] 所述无线充电协议为 Qi EPP 15W协议时, 使所述无线充电器的输入电压为 12V , 输出电压为 9V; 或者
[0021] 所述无线充电协议为 Qi BPP5W协议时, 使所述无线充电器的输入电压为 5V, 输出电压为 5V。
[0022] 本发明另一方面提供一种无线充电器的发射端, 所述无线充电器用于给被充电 设备充电, 包括:
[0023] 连接器, 用于连接外部充电器;
[0024] 无线充电发射端线圈, 用于发射和接收无线信号;
[0025] 逆变电路, 用于向所述无线充电发射端线圈提供交流电压;
[0026] 检测模块, 用于检测所述被充电设备所支持的无线充电协议; 以及
[0027] 控制模块, 用于依据所述检测模块的检测结果使无线充电器在与所述被充电设 备所支持的无线充电协议相对应的输入电压和输出电压下工作。
[0028] 较佳的, 所述检测模块包括:
[0029] 第一消息发送模块, 用于向所述被充电设备发送协议检测消息;
[0030] 第一消息接收模块, 用于接收所述被充电设备返回的协议检测反馈消息; 以及
[0031] 识别模块, 用于依据所述协议检测反馈消息识别所述被充电设备所支持的无线 充电协议。
[0032] 较佳的, 所述控制模块包括:
[0033] 电压确定模块, 用于依据所述检测模块的检测结果确定所述输入电压和输出电 压;
[0034] 第二消息发送模块, 用于向所述外部充电器发送输入电压需求消息; 以及 [0035] 第三消息发送模块, 用于向所述无线充电器的接收端发送输出电压需求消息。
[0036] 较佳的, 所述无线充电协议为三星 SPC 10W协议时, 使所述无线充电器的输入 电压为 9V, 输出电压为 9V; 或者
[0037] 所述无线充电协议为苹果 7.5W协议时, 使所述无线充电器的输入电压为 9V, 输出电压为 5V; 或者
[0038] 所述无线充电协议为 Qi EPP 15W协议时, 使所述无线充电器的输入电压为 12V , 输出电压为 9V; 或者
[0039] 所述无线充电协议为 Qi BPP5W协议时, 使所述无线充电器的输入电压为 5V, 输出电压为 5V。
[0040] 本发明再一方面提供一种用于给被充电设备充电的无线充电器, 包括:
[0041] 可连接外部充电器的无线充电发射端;
[0042] 与所述无线充电发射端无线稱合的无线充电接收端;
[0043] 检测模块, 用于检测所述被充电设备所支持的无线充电协议; 以及
[0044] 控制模块, 用于依据所述检测模块的检测结果使无线充电器在与所述被充电设 备所支持的无线充电协议相对应的输入电压和输出电压下工作。
发明的有益效果
对附图的简要说明
附图说明
[0045] 为了更清楚地说明本发明实施例的技术方案, 下面将对本发明实施例描述中所 需要使用的附图作简单地介绍, 显而易见地, 下面描述中的附图仅仅是本发明 的一些实施例, 对于本领域普通技术人员来讲, 在不付出创造性劳动性的前提 下, 还可以根据这些附图获得其他的附图。
[0046] 图 1示出依据本发明一实施例的无线充电器;
[0047] 图 2示出依据本发明一实施例的无线充电器的发射端;
[0048] 图 3示出图 2中的检测模块。
[0049] 图 4示出图 2中的控制模块;
[0050] 图 5示出依据本发明一实施例的无线充电器的接收端; 以及
[0051] 图 6示出依据本发明一实施例的无线充电器的充电方法。 发明实施例
本发明的实施方式
[0052] 下面详细描述本发明的实施例, 所述实施例的示例在附图中示出, 其中自始至 终相同或类似的标号表示相同或类似的组件或具有相同或类似功能的组件。 下 面通过参考附图描述的实施例是示例性的, 旨在用于解释本发明, 而不能理解 为对本发明的限制。
[0053] 图 1示出依据本发明一实施例的无线充电器 10, 包括:
[0054] 可连接外部充电器的无线充电发射端 12;
[0055] 与所述无线充电发射端 12无线稱合的无线充电接收端 14;
[0056] 检测模块 16, 用于检测被充电设备所支持的无线充电协议; 以及
[0057] 控制模块 18 , 用于依据所述检测模块 16的检测结果使无线充电器在与所述被充 电设备所支持的无线充电协议相对应的输入电压和输出电压下工作。
[0058] 较佳的, 检测模块 16和控制模块 18可设置在无线充电发射端 12。
[0059] 图 2示出依据本发明一个实施例的无线充电发射端 12, 包括连接器 20、 发射端 线圈 24、 逆变电路 26、 检测模块 16、 控制模块 18:
[0060] 连接器 20用于连接外部充电器 22。 在一个实施例中, 充电器 22包括可将外部交 流电压转化为直流电压的整流电路 28和由所述直流电压供电的另一连接器 30。 较佳的, 整流电路 28可以是全桥整流电路, 外部交流电压例如可以为 220V市电 交流电, 输入到连接器 30的直流电压可以是对整流电路 24输出的直流电压进行 降压后的例如低于 20V的直流电压。 较佳的, 充电器 22可以输出 5V、 9V、 14.5V 和 20V等不同等级的电压。 在一个实现中, 连接器 20可以是 Lightning连接器, 连 接器 30可以是 USB Type C母座连接器, 连接器 20可经由转换接头与连接器 30连 接。 可以理解, 本发明并不限于此, 上述连接器也可以是能够相互配合的其他 类型的连接器, 或者, 也可不需要转换接头, 使连接器 20与连接器 30直接配合 连接。
[0061] 逆变电路 26可以是桥式逆变电路, 能够将经连接器 20输入的直流电压转换为特 定频率的交流电压提供给发射端线圈 24, 发射端线圈 24可以发射和接收无线信 号。 [0062] 检测模块 16用于检测被充电设备所支持的无线充电协议。 参阅图 3, 检测模块 1 6可包括第一消息发送模块 162、 第一消息接收模块 164和识别模块 166。 第一消 息发送模块 162用于向被充电设备发送协议检测消息; 第一消息接收模块 164用 于接收被充电设备返回的协议检测反馈消息; 识别模块 166用于依据所述协议检 测反馈消息识别被充电设备所支持的无线充电协议。 其中, 第一消息发送模块 1 62发送消息和第一消息接收模块 164接收消息均经由发射端线圈 24发射和接收。
[0063] 控制模块 18用于依据检测模块 16的检测结果使无线充电器在与被充电设备所支 持的无线充电协议相对应的输入电压和输出电压下工作。 参阅图 4, 控制模块 18 可包括电压确定模块 182、 第二消息发送模块 184和第三消息发送模块 186。 电压 确定模块 182用于依据检测模块 16的检测结果确定与被充电设备所支持的无线充 电协议相对应的无线充电器的输入电压和输出电压。 较佳的, 电压确定模块 182 可以通过查表的方法确定与所述无线充电协议对应的无线充电器的输入电压和 输出电压。 第二消息发送模块 184用于经由连接器 20向外部充电器发送输入电压 需求消息, 使外部充电器输出无线充电器所需的输入电压。 第三消息发送模块 1 86用于经由发射端线圈 24向无线充电器的接收端发送输出电压需求消息, 使无 线充电器的接收端输出所需的输出电压。
[0064] 举例来说, 当被充电设备所支持的无线充电协议为三星 SPC 10W协议时, 使所 述无线充电器的输入电压为 9V, 输出电压为 9V; 所述无线充电协议为苹果 7.5W 协议时, 使所述无线充电器的输入电压为 9V, 输出电压为 5V; 所述无线充电协 议为 Qi EPP 15W协议时, 使所述无线充电器的输入电压为 12V, 输出电压为 9V ; 所述无线充电协议为 Qi BPP5W协议时, 使所述无线充电器的输入电压为 5V, 输出电压为 5V。 通常进行上述配置, 可以使无线充电器与被充电设备所支持的 充电协议匹配, 从而改善充电效率, 提高充电速度。
[0065] 参阅图 5, 无线充电接收端 14可以包括接收端线圈 32、 整流及电压调节电路 35
[0066] 接收端线圈 32与发射端线圈 24电磁耦合, 接收或发射无线信号。 接收端线圈 32 可从发射端线圈 24发射的无线充电信号感应产生出一交流电压。 整流及电压调 节电路 35可以包括桥式整流电路, 可将接收端线圈 32产生的交流电压转换为直 流电压。 较佳的, 整流及电压调节电路 35还可包括电压调节电路和滤波电路, 以从转换出的直流电压产生出稳定的特定大小的直流电压。 整流及电压调节电 路 35输出的直流电压可作为电源给被充电设备 40充电。 无线充电接收端 14接收 到第三消息发送模块 186发送的输出电压需求消息后, 整流及电压调节电路 35输 出所需要的输出电压。
[0067] 被充电设备 40较佳的可以为移动终端, 例如手机、 平板电脑等。 在一个较佳实 例中, 被充电设备为苹果的手机、 平板电脑或其他智能终端, 无线充电接收端 3 0可设连接器, 较佳的为 Lightning公座连接器, Lightning公座连接器可插入苹果 智能终端的 Lightning母座连接器对智能终端进行充电。 可以理解, 无线充电接收 端 30的连接器也可以是其他类型的连接器。
[0068] 在另一实现中, 无线充电接收端也可以是集成在被充电设备内。
[0069] 图 6示出本发明一实施例的无线充电器的充电方法的流程图, 包括:
[0070] S1、 检测被充电设备所支持的无线充电协议; 较佳的, S1包括:
[0071] S11、 向所述被充电设备发送协议检测消息;
[0072] S12、 接收所述被充电设备返回的协议检测反馈消息; 以及
[0073] S13依据所述协议检测反馈消息识别所述被充电设备所支持的无线充电协议。
[0074] S2、 依据所述被充电设备所支持的无线充电协议确定对应的所述无线充电器的 输入电压和输出电压; 较佳的, 可以通过查表的方法确定与所述无线充电协议 对应的无线充电器的输入电压和输出电压。
[0075] S3、 使所述无线充电器在所述输入电压和输出电压下工作。 较佳的, S3包括:
[0076] S31、 使所述无线充电器在所述输入电压和输出电压下工作包括:
[0077] S32、 向无线充电器的外部充电器发送输入电压需求消息; 以及
[0078] S33、 向无线充电器接收端的电压调节电路发送输出电压需求消息。
[0079] 本发明实施例中, 通过检测被充电设备所支持的无线充电协议, 相应调节无线 充电器的输入电压和输出电压, 使得无线充电器的输入电压和输出电压与被充 电设备所支持的充电协议相匹配, 从而可以改善充电效率, 提高充电速度。
[0080] 在本说明书的描述中, 参考术语“一个实施方式”、 “一些实施方式”、 “一个实施 例”、 “一些实施例”、 “示例”、 “具体示例”、 或“一些示例”等的描述意指结合该 实施例或示例描述的具体特征、 结构、 材料或者特点包含于本发明的至少一个 实施例或示例中。 在本说明书中, 对上述术语的示意性表述不一定指的是相同 的实施例或示例。 而且, 描述的具体特征、 结构、 材料或者特点可以在任何的 一个或多个实施例或示例中以合适的方式结合。
[0081] 以上内容是结合具体的实施方式对本发明所作的进一步详细说明, 不能认定本 发明的具体实施只局限于这些说明。 对于本发明所属技术领域的普通技术人员 来说, 在不脱离本发明构思的前提下, 还可以做出若干简单推演或替换。

Claims

权利要求书
[权利要求 1] 一种无线充电器的充电方法, 包括:
检测被充电设备所支持的无线充电协议;
依据所述被充电设备所支持的无线充电协议确定对应的所述无线充电 器的输入电压和输出电压;
使所述无线充电器在所述输入电压和输出电压下工作。
[权利要求 2] 如权利要求 1所述的充电方法, 其特征在于, 所述检测被充电设备所 支持的无线充电协议包括:
向所述被充电设备发送协议检测消息;
接收所述被充电设备返回的协议检测反馈消息; 以及
依据所述协议检测反馈消息识别所述被充电设备所支持的无线充电协 议。
[权利要求 3] 如权利要求 2所述的充电方法, 其特征在于, 使所述无线充电器在所 述输入电压和输出电压下工作包括:
向所述无线充电器的外部充电器发送输入电压需求消息; 以及 向所述无线充电器接收端的电压调节电路发送输出电压需求消息。
[权利要求 4] 如权利要求 1所述的充电方法, 其特征在于, 通过查表的方法确定与 所述无线充电协议对应的无线充电器的输入电压和输出电压。
[权利要求 5] 如权利要求 1至 4任一项所述的充电方法, 其特征在于:
所述无线充电协议为三星 SPC 10W协议时, 使所述无线充电器的输入 电压为 9V, 输出电压为 9V; 或者
所述无线充电协议为苹果 7.5W协议时, 使所述无线充电器的输入电 压为 9V, 输出电压为 5V; 或者
所述无线充电协议为 Qi EPP 15W协议时, 使所述无线充电器的输入 电压为 12V, 输出电压为 9V; 或者
所述无线充电协议为 Qi BPP 5W协议时, 使所述无线充电器的输入电 压为 5V, 输出电压为 5V。
[权利要求 6] 一种无线充电器的发射端, 所述无线充电器用于给被充电设备充电, 包括:
连接器, 用于连接外部充电器;
无线充电发射端线圈, 用于发射和接收无线信号; 逆变电路, 用于向所述无线充电发射端线圈提供交流电压; 检测模块, 用于检测所述被充电设备所支持的无线充电协议; 以及 控制模块, 用于依据所述检测模块的检测结果使无线充电器在与所述 被充电设备所支持的无线充电协议相对应的输入电压和输出电压下工 作。
[权利要求 7] 如权利要求 6所述的发射端, 其特征在于, 所述检测模块包括:
第一消息发送模块, 用于向所述被充电设备发送协议检测消息; 第一消息接收模块, 用于接收所述被充电设备返回的协议检测反馈消 息; 以及
识别模块, 用于依据所述协议检测反馈消息识别所述被充电设备所支 持的无线充电协议。
[权利要求 8] 如权利要求 7所述的发射端, 其特征在于, 所述控制模块包括:
电压确定模块, 用于依据所述检测模块的检测结果确定所述输入电压 和输出电压;
第二消息发送模块, 用于向所述外部充电器发送输入电压需求消息; 以及
第三消息发送模块, 用于向所述无线充电器的接收端发送输出电压需 求消息。
[权利要求 9] 如权利要求 6或 7或 8所述的发射端, 其特征在于:
所述无线充电协议为三星 SPC 10W协议时, 使所述无线充电器的输入 电压为 9V, 输出电压为 9V; 或者
所述无线充电协议为苹果 7.5W协议时, 使所述无线充电器的输入电 压为 9V, 输出电压为 5V; 或者
所述无线充电协议为 Qi EPP 15W协议时, 使所述无线充电器的输入 电压为 12V, 输出电压为 9V; 或者 所述无线充电协议为 Qi BPP5W协议时, 使所述无线充电器的输入电 压为 5V, 输出电压为 5V。
[权利要求 10] 一种用于给被充电设备充电的无线充电器, 包括:
可连接外部充电器的无线充电发射端;
与所述无线充电发射端无线耦合的无线充电接收端;
检测模块, 用于检测所述被充电设备所支持的无线充电协议; 以及 控制模块, 用于依据所述检测模块的检测结果使无线充电器在与所述 被充电设备所支持的无线充电协议相对应的输入电压和输出电压下工 作。
PCT/CN2018/085687 2018-01-12 2018-05-04 无线充电器、发射端及充电方法 WO2019136888A1 (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111566897A (zh) * 2020-03-20 2020-08-21 北京小米移动软件有限公司 无线充电鉴权方法、装置、通信设备及存储介质

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111711240B (zh) * 2020-06-24 2023-08-08 江西联智集成电路有限公司 一种无线充电设备的测试方法及装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105162228A (zh) * 2015-09-10 2015-12-16 深圳市华宝新能源有限公司 智能充电器及其充电控制电路
GB2531302A (en) * 2014-10-15 2016-04-20 Ecotech Energy Solutions Ltd A method and apparatus for charging a battery
CN107332590A (zh) * 2017-08-29 2017-11-07 北京小米移动软件有限公司 无线充电方法、发射端、接收端及电源管理模组

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9669719B1 (en) * 2016-08-03 2017-06-06 Proterra Inc. Multi-protocol charge port for an electric vehicle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2531302A (en) * 2014-10-15 2016-04-20 Ecotech Energy Solutions Ltd A method and apparatus for charging a battery
CN105162228A (zh) * 2015-09-10 2015-12-16 深圳市华宝新能源有限公司 智能充电器及其充电控制电路
CN107332590A (zh) * 2017-08-29 2017-11-07 北京小米移动软件有限公司 无线充电方法、发射端、接收端及电源管理模组

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111566897A (zh) * 2020-03-20 2020-08-21 北京小米移动软件有限公司 无线充电鉴权方法、装置、通信设备及存储介质

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