WO2012089086A1 - 充电方法和用户设备 - Google Patents

充电方法和用户设备 Download PDF

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Publication number
WO2012089086A1
WO2012089086A1 PCT/CN2011/084680 CN2011084680W WO2012089086A1 WO 2012089086 A1 WO2012089086 A1 WO 2012089086A1 CN 2011084680 W CN2011084680 W CN 2011084680W WO 2012089086 A1 WO2012089086 A1 WO 2012089086A1
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WO
WIPO (PCT)
Prior art keywords
charging
current value
charger
preset
battery
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Application number
PCT/CN2011/084680
Other languages
English (en)
French (fr)
Inventor
郝志明
Original Assignee
华为终端有限公司
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 华为终端有限公司 filed Critical 华为终端有限公司
Priority to EP11854479.0A priority Critical patent/EP2637247B1/en
Priority to KR1020137016403A priority patent/KR101501965B1/ko
Publication of WO2012089086A1 publication Critical patent/WO2012089086A1/zh
Priority to US13/927,763 priority patent/US9871393B2/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • H01M10/443—Methods for charging or discharging in response to temperature
    • 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
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
    • 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
    • H02J7/0071—Regulation of charging or discharging current or voltage with a programmable schedule
    • 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
    • H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
    • H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
    • H02J7/007194—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature of the battery
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • Embodiments of the present invention relate to electronic technologies, and in particular, to a charging method and a user equipment.
  • charging a battery of a mobile phone generally adopts a method of first constant current charging and then constant voltage charging.
  • the main process is as follows: First, the battery of the mobile phone is charged with constant current. When the battery voltage of the mobile phone reaches the charging cut-off voltage, the actual voltage of the battery is partially high due to the internal resistance of the battery, and the charging current needs to be continuously reduced, that is, The constant voltage continues to charge the phone's battery until the virtual high portion is completely removed, thus completing the charging.
  • the inventors have found that at least the following problems exist in the prior art:
  • the load capacity of the current charger is limited, if the output is large, Current, it is possible that the charger will damage the charger due to overload, such as a nominal 5V-500mA charger. If a current of 1A is output, the charger will be damaged due to overload.
  • the lithium ion battery is charged at a large current, the internal temperature thereof rises due to a large current, and there is a risk that the battery is exploded.
  • Embodiments of the present invention provide a charging method and a user equipment, which are used to solve the problem that the charger is damaged due to overload during emergency charging, and the battery of the user equipment is charged due to excessive charging temperature. , achieving safe and fast charging.
  • An embodiment of the present invention provides a charging method, including:
  • An embodiment of the present invention provides a user equipment, including:
  • a measuring module configured to measure a current value of a maximum output of the charger according to the received fast charging command
  • a charging current setting module configured to set a charging current value of the battery of the user equipment according to the current value of the maximum output
  • a charging current receiving module configured to receive, from the charger, a first charging current corresponding to the charging current value
  • the charging temperature control module is configured to disconnect the charger when the charging temperature of the battery is detected to be greater than a preset temperature.
  • the charging method and the user equipment of the embodiment of the present invention measure the current value of the maximum output of the charger according to the received fast charging command, and set the charging current value of the battery of the user equipment according to the current value of the maximum output, Receiving a first charging current corresponding to the charging current value from the charger, and disconnecting the connection with the charger and stopping charging when detecting that the charging temperature of the battery is greater than a preset temperature, thereby solving the emergency in the prior art When charging, the charger is damaged due to overload, and the battery of the user equipment is charged due to the high charging temperature, thereby achieving safe and rapid charging.
  • FIG. 1 is a flow chart of an embodiment of a charging method of the present invention
  • FIG. 2 is a flow chart of another embodiment of a charging method of the present invention.
  • FIG. 3 is a schematic structural diagram of an embodiment of a user equipment according to the present invention.
  • FIG. 4 is a schematic structural diagram of another embodiment of a user equipment according to the present invention.
  • Step 101 Measure a current value of a maximum output of a charger according to a received fast charging instruction.
  • the user equipment can receive a quick charging instruction input by the user, where the user equipment can be a mobile phone, a digital camera, a personal digital assistant (PDA), or a moving image expert group _4 (Moving Pictures) Experts Group-4/Motin Pictures Experts Group-4; Abbreviation: MP4) and other equipment.
  • the user equipment can be a mobile phone, a digital camera, a personal digital assistant (PDA), or a moving image expert group _4 (Moving Pictures) Experts Group-4/Motin Pictures Experts Group-4; Abbreviation: MP4) and other equipment.
  • PDA personal digital assistant
  • the specific method for the user equipment to measure the current value of the maximum output of the charger is: through the built-in semiconductor metal oxide field effect transistor
  • MOSFET Metal-Oxide-Semiconductor Field-Effect-Transistor; Abbreviation: MOSFET
  • ADC Analog-to-Digital Converter
  • the actual output current value of the charger corresponding to the current value is determined by the actual output current value of the charger and the preset charging current value. If the actual output current value of the charger is greater than the preset charging current value, the preset is updated. Charging the current value, and measuring the actual output current value of the charger corresponding to the updated preset charging current value, and if the actual output current value is less than the updated charging current value, determining the actual output current value The maximum output current value.
  • the actual output current value of the charger is measured by the built-in ADC.
  • the actual output current value of the charger is 500mA through the built-in ADC
  • the user equipment sets the charging current value to 501mA the actual output current of the charger is measured by the built-in ADC.
  • the user equipment determines that the actual output value of the corresponding charger starts to be smaller than the charging current value when the charging current value is set to 500 mA, and the current value of the maximum output of the charger is measured.
  • Step 102 Set a charging current value of the battery of the user equipment according to the current value of the maximum output.
  • the current of the user equipment can be set.
  • the current value ranges between 80% and 90% of the maximum output current.
  • the setting may be automatically determined by the user equipment
  • the range of the maximum output current corresponding to the large output current and the charging current value set by the user in advance determines the charging current value of the battery of the user equipment, and may also be a range in which the user equipment provides a user interface for the user to select the maximum output current corresponding to the charging current value. And determining a charging current value for the battery of the user equipment according to the range selected by the user.
  • Step 103 Receive a first charging current corresponding to the charging current value from the charger.
  • Step 104 If it is detected that the charging temperature of the battery is greater than the preset temperature, disconnect the connection with the charger.
  • the current corresponding to the charging current value can be received from the connected charger.
  • the temperature of the battery of the user equipment increases with charging. In order to prevent the battery from being exploded due to excessive temperature, the temperature may be preset, when the charging temperature of the battery is greater than the preset temperature. , disconnect from the charger to stop the charger charging the user equipment.
  • the current value of the maximum output of the charger is measured according to the received fast charging command, and the charging current value of the battery of the user equipment is set according to the current value of the maximum output to receive from the charger.
  • the charging current value corresponds to the first charging current, and when detecting that the charging temperature of the battery is greater than the preset temperature, disconnecting from the charger and stopping charging, thereby solving the charger in the prior art during emergency charging The battery is damaged due to overload, and the battery of the user equipment is charged due to the high charging temperature, thereby achieving safe and rapid charging.
  • FIG. 2 is a flow chart of another embodiment of a charging method of the present invention. As shown in FIG. 2, the method of this embodiment includes:
  • Step 201 Measure an actual output current value of the charger corresponding to the preset charging current value according to the received fast charging instruction.
  • Step 202 Determine the actual output current value of the charger and the preset charging current value. If the actual output current value of the charger is greater than the preset charging current value, perform step 203; if the actual output current value of the charger is less than the pre- If the charging current value is set, step 204 is performed.
  • Step 203 update the preset charging current value, and perform step 201;
  • Step 204 Determine that the actual output current value is a maximum output current value of the charger.
  • Step 205 Set a charging current value of a current to the user equipment to be 90% of the maximum output current.
  • step 205 is similar to the implementation of step 102 shown in FIG. 1, and details are not described herein again.
  • Step 206 Receive a first charging current corresponding to the charging current value from the charger.
  • Step 207 the detected battery charging temperature is greater than the preset temperature, if greater than the preset temperature, step 208 is performed; if less than or equal to the preset temperature, step 210 is performed;
  • Step 208 disconnecting from the charger; Step 209, detecting the charging temperature of the battery every predetermined time, and performing step 207;
  • Step 210 Obtain a fast charging time.
  • Step 211 If the fast charging time is greater than the preset charging time, the second charging current corresponding to the preset current value is received from the charger to charge the current of the user equipment.
  • the user equipment when the charging temperature of the battery is greater than the preset temperature, in order to prevent the battery from being exploded, the user equipment disconnects from the charger, temporarily stops the charging of the user equipment by the charger, and performs detection of the charging temperature of the battery.
  • the charging temperature of the battery is less than or equal to the preset temperature, it is connected to the charger, and receives the first charging current corresponding to the charging current value from the charger, that is, continues to charge the user equipment by the charger.
  • the user equipment can obtain the fast charging time, and convert the user equipment into a normal charging mode when the fast charging time is greater than the preset charging time, and the specific implementation manner is: receiving from the charger and corresponding to the preset current value
  • the second charging current charges the battery of the user equipment.
  • the voltage of the battery of the user equipment reaches the charging cut-off voltage, the actual voltage of the battery is partially high due to the internal resistance of the battery, and the second charging current needs to be continuously reduced, that is, The battery of the mobile phone is continuously charged with a constant voltage until the virtual high portion is completely eliminated, thereby completing the charging.
  • the slave charger by measuring the current value of the maximum output of the charger according to the received fast charging command, and setting the charging current value of the battery of the user equipment to 90% of the maximum input current value, in the slave charger.
  • Receiving a first charging current corresponding to the charging current value, and detecting a charging temperature of the battery determining whether the charging temperature of the battery is greater than a preset temperature; if greater than the preset temperature value, disconnecting from the charger and stopping charging; And detecting the charging temperature in real time, if it is less than the preset temperature value, the charger is connected and the charging is continued, thereby solving the problem that the charger is damaged due to overload during the emergency charging in the prior art, and the battery of the user equipment is charged due to the charging temperature.
  • the high and explosive problem enables safe and fast charging.
  • preset charging time the user equipment can be switched from the emergency charging mode to the normal charging mode, thereby effectively reducing the damage to the service life of the battery.
  • FIG. 3 is a schematic structural diagram of an embodiment of a user equipment according to the present invention.
  • the user equipment of this embodiment includes: a measurement module 11, a charging current setting module 12, a charging current receiving module 13, and a charging temperature control module 14. .
  • the measuring module 11 is configured to measure a current value of a maximum output of the charger according to the received fast charging command;
  • the charging current setting module 12 is configured to set a charging current value of the battery of the user equipment according to the current value of the maximum output;
  • the current receiving module 13 is configured to receive a first charging current corresponding to the charging current value from the charger.
  • the charging temperature control module 14 is configured to disconnect the connection with the charger if it is detected that the charging temperature of the battery is greater than the preset temperature.
  • the user equipment in this embodiment may perform the technical solution of the method embodiment shown in FIG. 1 , and the principle is similar. I won't go into details here.
  • the current value of the maximum output of the charger is measured according to the received fast charging command, and the charging current value of the battery of the user equipment is set according to the current value of the maximum output to receive from the charger.
  • the charging current value corresponds to the first charging current, and when detecting that the charging temperature of the battery is greater than the preset temperature, disconnecting from the charger and stopping charging, thereby solving the charger in the prior art during emergency charging The battery is damaged due to overload, and the battery of the user equipment is charged due to the high charging temperature, thereby achieving safe and rapid charging.
  • the measurement module 11 of the user equipment includes an actual output current value measuring unit 111. And a maximum output current value measuring unit 112.
  • the actual output current value measuring unit 111 is configured to measure an actual output current value of the charger corresponding to the preset charging current value according to the received fast charging command; the maximum output current value measuring unit 112 is configured to determine the actual output of the charger. The current value and the preset charging current value. If the actual output current value of the charger is greater than the preset charging current value, the preset charging current value is updated, and the updated output current is measured by the actual output current value measuring unit 111.
  • the charging temperature control module 14 is further configured to connect to the charger if it is detected that the charging temperature of the battery is less than the preset temperature.
  • the user equipment may further include: a fast charging time acquisition module 15 and a conversion module 16; wherein the fast charging time acquisition module 15 is configured to acquire a fast charging time; and the conversion module 16 is configured to: if the fast charging time is greater than the preset charging time At the time, the second charging current corresponding to the preset current value is received from the charger to charge the battery of the user equipment.
  • the charging current setting module 12 is specifically configured to set a charging current value of the battery of the user equipment to be 80% to 90% of the current value of the maximum output.
  • the user equipment in this embodiment may perform the technical solution of the method embodiment shown in FIG. 2, and the principle is similar, and details are not described herein again.
  • the current value of the maximum output of the charger is measured according to the received fast charging command, and the charging current value of the battery of the user equipment is set to be in the range of 8-% to 90% of the current value of the maximum input.
  • the charging current value of the battery of the user equipment is set to be in the range of 8-% to 90% of the current value of the maximum input.
  • the charger in the case of emergency charging, the charger is damaged due to overload, and the battery of the user equipment is charged due to excessive charging temperature, thereby achieving safe and rapid charging.
  • the user equipment can be switched from the emergency charging mode to the normal charging mode, thereby effectively reducing the damage to the service life of the battery.
  • the user equipment of the foregoing embodiment may be a user equipment with a charging function such as a mobile phone, a digital camera, a PDA, or an MP4.
  • the actual output current value measuring unit 111 may be specifically an ADC
  • the charging temperature control module 14 may be a negative temperature coefficient (NTC) resistor.
  • the mobile phone further includes: an RF circuit and an audio circuit to complete the basic functions of the mobile phone.
  • the RF circuit is mainly used to establish a mobile phone and a wireless device. Network communication, data reception and transmission of mobile phone and wireless network; microphone for collecting sound and converting the collected sound into sound data, so that the mobile phone sends sound data to the wireless network through the radio frequency circuit; the speaker is used to pass the mobile phone The sound data received by the RF circuit from the wireless network is restored to sound and played to the user.
  • the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Description

充电方法和用户设备 本申请要求于 2010年 12月 29日提交中国专利局、 申请号为 CN201010624697. 1、 发明名称为 "充电方法和用户设备"的中国专利申请的优先权， 其全部内容通过引用结 合在本申请中。 技术领域 本发明实施例涉及电子技术， 尤其涉及一种充电方法和用户设备。
背景技术 目前， 对手机的电池进行充电一般采用先恒流充电、 后恒压充电的方式。 其主要过 程为： 先对手机的电池进行恒流充电， 在手机的电池电压到达充电截止电压时， 该电池 的实际电压因为电池内阻原因有部分虚高， 需要通过不断降低充电电流， 即采用恒定电 压对手机的电池继续充电， 直到将虚高部分彻底消除掉， 从而完成充电。
在实现本发明过程中， 发明人发现现有技术中至少存在如下问题： 当在紧急场景情 况下， 需要对手机的电池进行快速充电时， 由于目前的充电器的负载能力有限， 因此如 果输出大电流， 有可能充电器因过载而损坏该充电器， 例如标称 5V-500mA的充电器， 如果输出 1A的电流， 则会使该充电器因为过载而损坏。 另外， 由于锂离子电池在大电 流下充电时， 其内部的温度会因为大电流而升高， 因此还会存在电池充爆的风险。
发明内容 本发明实施例提供一种充电方法和用户设备， 用以解决了现有技术中在紧急充电 时， 充电器因过载而损坏， 且用户设备的电池因充电温度过高而充爆的问题， 实现了安 全、 快速地充电。
本发明实施例提供一种充电方法， 包括：
根据接收的快速充电指令， 测量充电器的最大输出的电流值；
根据所述最大输出的电流值， 设置对用户设备的电池的充电电流值；
从所述充电器中接收所述充电电流值对应的第一充电电流；
若检测到所述电池的充电温度大于预设温度时， 则断开与所述充电器的连接。 本发明实施例提供一种用户设备， 包括：
测量模块， 用于根据接收的快速充电指令， 测量充电器的最大输出的电流值； 充电电流设置模块， 用于根据所述最大输出的电流值， 设置对用户设备的电池的充 电电流值；
充电电流接收模块， 用于从所述充电器中接收所述充电电流值对应的第一充电电 流；
充电温度控制模块， 用于若检测到所述电池的充电温度大于预设温度时， 则断开与 所述充电器的连接。
本发明实施例的充电方法和用户设备， 通过根据接收的快速充电指令， 测量充电器 的最大输出的电流值， 并根据该最大输出的电流值， 设置对用户设备的电池的充电电流 值， 以从充电器中接收该充电电流值对应的第一充电电流， 并在检测到电池的充电温度 大于预设温度时， 断开与充电器的连接， 停止充电， 从而解决了现有技术中在紧急充电 时， 充电器因过载而损坏， 且用户设备的电池因充电温度过高而充爆的问题， 实现了安 全、 快速地充电。
附图说明 为了更清楚地说明本发明实施例或现有技术中的技术方案， 下面将对实施例或现有 技术描述中所需要使用的附图作一简单地介绍， 显而易见地， 下面描述中的附图是本发 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。
图 1为本发明充电方法的一个实施例的流程图；
图 2为本发明充电方法的另一个实施例的流程图；
图 3为本发明用户设备的一个实施例的结构示意图；
图 4为本发明用户设备的另一个实施例的结构示意图。
具体实施方式 为使本发明实施例的目的、 技术方案和优点更加清楚， 下面将结合本发明实施例中 的附图， 对本发明实施例中的技术方案进行清楚、 完整地描述， 显然， 所描述的实施例 是本发明一部分实施例， 而不是全部的实施例。 基于本发明中的实施例， 本领域普通技 术人员在没有作出创造性劳动前提下所获得的所有其他实施例， 都属于本发明保护的范 围。
图 1为本发明充电方法的一个实施例的流程图，如图 1所示，本实施例的方法包括： 步骤 101、 根据接收的快速充电指令， 测量充电器的最大输出的电流值。
在本实施例中， 用户设备可以接收用户输入的快速充电指令， 其中， 该用户设备可 以为手机、 数码相机、 掌上电脑 （Personal Digital Assistant ; 简称： PDA) 或者动 态图像专家组 _4 (Moving Pictures Experts Group-4/Motin Pictures Experts Group-4; 简称： MP4) 等设备。 举例来说， 以手机为例， 当手机需要充电时， 手机可以显示选择 菜单， 并在选择菜单上提供快速充电模式和正常充电模式， 以供用户选择快速充电， 还 是正常充电。
另外， 若用户设备接收到快速充电指令时， 则用户设备测量充电器的最大输出的电 流值的一种具体实现方式为： 通过内置的半导体金属氧化物场效应管
(Metal-Oxide-Semiconductor Field-Effect-Transistor; 简称： MOSFET ) 设置预设 充电电流值， 并可以通过内置的模拟 /数字转换器 （Analog-to-Digital Converter; 简 称： ADC) 测量该预设充电电流值对应的充电器的实际输出电流值， 再判断该充电器的 实际输出电流值与预设充电电流值的大小，若充电器的实际输出电流值大于预设充电电 流值， 则更新预设充电电流值， 并测量与更新后的预设充电电流值对应的充电器的实际 输出电流值， 若该实际输出的电流值小于更新后的充电电流值时， 则确定该实际输出的 电流值为最大输出的电流值。
举例来说， 用户设备需要在一个标称 5V-500mA的充电器上充电时， 当用户设备在 通过内置的 MOSFET设置充电电流值为 300mA时， 通过内置的 ADC测量充电器的实际输 出电流值为 450mA; 当用户设备设置充电电流值到 450mA时， 通过内置的 ADC测量充电 器的实际输出电流值为 500mA;当用户设备设置充电电流值为 501mA时，通过内置的 ADC 测量充电器的实际输出电流值为 500mA， 则用户设备判断出在设置充电电流值为 500mA 时， 对应的充电器的实际输出值开始小于该充电电流值， 则测量出该 500mA为充电器的 最大输出的电流值。
步骤 102、 根据最大输出的电流值， 设置对用户设备的电池的充电电流值。
举例来说， 当测量出充电器的最大输出的电流值后， 为了给充电的负载预留一些余 量， 并防止充电器一致性不好而导致其过载， 可以设置对用户设备的电流的充电电流值 的范围在最大输出电流的 80%到 90%之间。 其中， 所述设置可以由用户设备自动根据最 大输出电流及用户事先设置的充电电流值对应的最大输出电流的范围确定对用户设备 的电池的充电电流值， 也可以是用户设备提供用户界面供用户选择充电电流值对应的最 大输出电流的范围， 并根据用户选择的范围确定对用户设备的电池的充电电流值。
步骤 103、 从充电器中接收充电电流值对应的第一充电电流。
步骤 104、 若检测到电池的充电温度大于预设温度时， 则断开与充电器的连接。 在本实施例中， 在设置对用户设备的电池的充电电流值后， 可以从连接的充电器中 接收该充电电流值对应的电流。 另外， 在快速充电的过程中， 用户设备的电池会随着充 电而温度升高， 为了防止由于温度过高而造成电池充爆， 可以预设温度， 当电池的充电 温度大于该预设温度时， 则断开与充电器连接， 从而停止充电器对用户设备的充电。
在本实施例中， 通过根据接收的快速充电指令， 测量充电器的最大输出的电流值， 并根据该最大输出的电流值， 设置对用户设备的电池的充电电流值， 以从充电器中接收 该充电电流值对应的第一充电电流， 并在检测到电池的充电温度大于预设温度时， 断开 与充电器的连接， 停止充电， 从而解决了现有技术中在紧急充电时， 充电器因过载而损 坏， 且用户设备的电池因充电温度过高而充爆的问题， 实现了安全、 快速地充电。
图 2为本发明充电方法的另一个实施例的流程图， 如图 2所示， 本实施例的方法包 括：
步骤 201、 根据接收的快速充电指令， 测量与预设充电电流值对应的充电器的实际 输出电流值。
步骤 202、 判断充电器的实际输出电流值与预设充电电流值的大小， 若充电器的实 际输出电流值大于预设充电电流值， 则执行步骤 203; 若充电器的实际输出电流值小于 预设充电电流值， 则执行步骤 204。
步骤 203、 更新预设充电电流值， 并执行步骤 201 ;
步骤 204、 确定该实际输出电流值为充电器的最大输出电流值。
步骤 205、 设置对用户设备的电流的充电电流值为最大输出电流的 90%。
在本实施例中， 步骤 205的实现方式与图 1所示步骤 102的实现方式相类似， 此处 不再赘述。
步骤 206、 从充电器中接收充电电流值对应的第一充电电流。
步骤 207、 检测到的电池的充电温度是否大于预设温度， 若大于预设温度， 则执行 步骤 208; 若小于等于预设温度， 则执行步骤 210;
步骤 208、 断开与充电器的连接； 步骤 209、 每隔预定时间检测电池的充电温度， 并执行步骤 207;
步骤 210、 获取快速充电时间。
步骤 211、 若快速充电时间大于预设充电时间， 则从充电器中接收与预设电流值对 应的第二充电电流对用户设备的电流充电。
在本实施例中， 当电池的充电温度大于预设温度时， 为了防止电池充爆， 用户设备 断开与充电器的连接，暂时停止充电器对用户设备充电，并实施检测该电池的充电温度， 当检测到该电池的充电温度小于等于预设温度时， 再与充电器连接， 从充电器中接收充 电电流值对应的第一充电电流， 即继续充电器对用户设备充电。
另外， 由于长时间快速充电会快速减少电池的使用寿命。 因此， 用户设备可以获取 快速充电时间， 并在快速充电时间大于预设充电时间时， 将用户设备转换为正常的充电 模式， 其具体的实现方式为： 从充电器中接收与预设电流值对应的第二充电电流对用户 设备的电池充电， 当用户设备的电池的电压到达充电截止电压时， 该电池的实际电压因 为电池内阻原因有部分虚高， 需要通过不断降低第二充电电流， 即采用恒定电压对手机 的电池继续充电， 直到将虚高部分彻底消除掉， 从而完成充电。
在本实施例中， 通过根据接收的快速充电指令， 测量充电器的最大输出的电流值， 并设置对用户设备的电池的充电电流值为最大输入的电流值的 90%， 以从充电器中接收 该充电电流值对应的第一充电电流， 并检测电池的充电温度， 判断该电池的充电温度是 否大于预设温度， 若大于预设温度值， 则断开与充电器的连接， 停止充电； 并实时检测 充电温度， 若再次小于预设温度值， 则连接充电器， 继续充电， 从而解决了现有技术中 在紧急充电时，充电器因过载而损坏，且用户设备的电池因充电温度过高而充爆的问题， 实现了安全、 快速地充电。 另外， 通过预设充电时间， 使得用户设备可以从紧急充电模 式转换为正常充电模式， 从而有效地减少了对电池的使用寿命的损坏。
图 3为本发明用户设备的一个实施例的结构示意图， 如图 3所示， 本实施例的用户 设备包括： 测量模块 11、 充电电流设置模块 12、 充电电流接收模块 13和充电温度控制 模块 14。 其中， 测量模块 11用于根据接收的快速充电指令， 测量充电器的最大输出的 电流值； 充电电流设置模块 12用于根据最大输出的电流值， 设置对用户设备的电池的 充电电流值； 充电电流接收模块 13用于从充电器中接收充电电流值对应的第一充电电 流； 充电温度控制模块 14用于若检测到电池的充电温度大于预设温度时， 则断开与充 电器的连接。
本实施例的用户设备可以执行图 1所示的方法实施例的技术方案， 其原理类似， 此 处不再赘述。
在本实施例中， 通过根据接收的快速充电指令， 测量充电器的最大输出的电流值， 并根据该最大输出的电流值， 设置对用户设备的电池的充电电流值， 以从充电器中接收 该充电电流值对应的第一充电电流， 并在检测到电池的充电温度大于预设温度时， 断开 与充电器的连接， 停止充电， 从而解决了现有技术中在紧急充电时， 充电器因过载而损 坏， 且用户设备的电池因充电温度过高而充爆的问题， 实现了安全、 快速地充电。
图 4为本发明用户设备的另一个实施例的结构示意图， 如图 4所示， 在上述图 3所 示的实施例的基础上， 该用户设备的测量模块 11包括实际输出电流值测量单元 111和 最大输出电流值测量单元 112。 其中， 实际输出电流值测量单元 111用于根据接收的快 速充电指令， 测量与预设充电电流值对应的充电器的实际输出电流值； 最大输出电流值 测量单元 112用于判断充电器的实际输出电流值与预设充电电流值的大小，若充电器的 实际输出电流值大于预设充电电流值， 则更新预设充电电流值， 并通过实际输出电流值 测量单元 111测量到与更新后的预设充电电流值对应的充电器的实际输出电流值， 再比 较该更新后的预设充电电流值和充电器的实际输出电流值的大小，直至测量到的与更新 后的预设充电电流值对应的充电器的实际输出电流值小于所述更新后的预设充电电流 值之后，确定此时测量到的与更新后的预设充电电流值对应的充电器的实际输出电流值 为充电器的最大输出电流值。
进一步的， 该充电温度控制模块 14还用于若检测到电池的充电温度再次小于所述 预设温度时， 则与充电器连接。
更进一步的， 该用户设备还可以包括： 快速充电时间获取模块 15和转换模块 16; 其中， 快速充电时间获取模块 15用于获取快速充电时间； 转换模块 16用于若快速充电 时间大于预设充电时间， 则从充电器中接收与预设电流值对应的第二充电电流对用户设 备的电池充电。
更进一步的， 该充电电流设置模块 12具体用于设置对用户设备的电池的充电电流 值为最大输出的电流值的 80%至 90%。
本实施例的用户设备可以执行图 2所示的方法实施例的技术方案， 其原理类似， 此 处不再赘述。
在本实施例中， 通过根据接收的快速充电指令， 测量充电器的最大输出的电流值， 并设置对用户设备的电池的充电电流值范围在最大输入的电流值的 8-%到 90%之间， 以 从充电器中接收该充电电流值对应的第一充电电流， 并检测电池的充电温度， 判断该电 池的充电温度是否大于预设温度， 若大于预设温度值， 则断开与充电器的连接， 停止充 电； 并实时检测充电温度， 若再次小于预设温度值， 则连接充电器， 继续充电， 从而解 决了现有技术中在紧急充电时， 充电器因过载而损坏， 且用户设备的电池因充电温度过 高而充爆的问题， 实现了安全、 快速地充电。 另外， 通过预设温度， 使得用户设备可以 从紧急充电模式转换为正常充电模式， 从而有效地减少了对电池的使用寿命的损坏。
进一步的， 上述实施例的用户设备可以为手机、数码照相机、 PDA、 MP4等具有充电 功能的用户设备。 在用户设备为手机的情况下， 实际输出电流值测量单元 111可以具体 为 ADC， 充电温度控制模块 14 可以具体为负的温度系数 （Negative Temperature Coefficient; 简称： NTC) 电阻。
更进一步的， 该手机还包括： 射频电路、 音频电路， 以便完成手机的基本功能， 下 面对射频电路、 音频电路中的麦克风和扬声器分别进行简要介绍： 射频电路， 主要用于 建立手机与无线网络的通信， 实现手机与无线网络的数据接收和发送； 麦克风， 用于采 集声音并将采集的声音转化为声音数据， 以便手机通过射频电路向无线网络发送声音数 据； 扬声器， 用于将手机通过射频电路从无线网络接收的声音数据， 还原为声音并向用 户播放该声音。
本领域普通技术人员可以理解： 实现上述方法实施例的全部或部分步骤可以通过程 序指令相关的硬件来完成， 前述的程序可以存储于一计算机可读取存储介质中， 该程序 在执行时， 执行包括上述方法实施例的步骤； 而前述的存储介质包括： R0M、 RAM, 磁碟 或者光盘等各种可以存储程序代码的介质。
最后应说明的是： 以上实施例仅用以说明本发明的技术方案， 而非对其限制； 尽管 参照前述实施例对本发明进行了详细的说明， 本领域的普通技术人员应当理解： 其依然 可以对前述各实施例所记载的技术方案进行修改， 或者对其中部分技术特征进行等同替 换； 而这些修改或者替换， 并不使相应技术方案的本质脱离本发明各实施例技术方案的 精神和范围。

Claims

权利要求
1、 一种充电方法， 其特征在于， 包括：
根据接收的快速充电指令， 测量充电器的最大输出的电流值；
根据所述最大输出的电流值， 确定对用户设备的电池的充电电流值；
从所述充电器中接收所述充电电流值对应的第一充电电流；
若检测到所述电池的充电温度大于预设温度时， 则断开与所述充电器的连接。
2、 根据权利要求 1所述的充电方法， 其特征在于， 所述测量充电器的最大输出的 电流值， 包括：
测量与预设充电电流值对应的所述充电器的实际输出电流值；
判断所述充电器的实际输出电流值与所述预设充电电流值的大小，若所述充电器的 实际输出电流值大于所述预设充电电流值， 则更新所述预设充电电流值， 并重复上述步 骤，直至测量到的与更新后的预设充电电流值对应的充电器的实际输出电流值小于所述 更新后的预设充电电流值，确定测量到的与更新后的预设充电电流值对应的充电器的实 际输出电流值为所述充电器的最大输出电流值。
3、 根据权利要求 1或 2所述的充电方法， 其特征在于， 还包括：
若检测到所述电池的充电温度再次小于所述预设温度时， 则与所述充电器连接。
4、 根据权利要求 1或 2或 3所述的充电方法， 其特征在于， 还包括：
获取快速充电时间；
若所述快速充电时间大于预设充电时间， 则从所述充电器中接收与预设电流值对应 的第二充电电流对所述用户设备的电池充电。
5、 根据权利要求 1-4任一项权利要求所述的充电方法， 其特征在于， 所述根据所 述最大输出的电流值， 确定对用户设备的电池的充电电流值， 包括：
设置对用户设备的电池的充电电流值的范围在所述最大输出的电流值的 80%到 90% 之间。
6、 一种用户设备， 其特征在于， 包括：
测量模块， 用于根据接收的快速充电指令， 测量充电器的最大输出的电流值； 充电电流设置模块， 用于根据所述最大输出的电流值， 确定对用户设备的电池的充 电电流值；
充电电流接收模块， 用于从所述充电器中接收所述充电电流值对应的第一充电电 流；
充电温度控制模块， 用于若检测到所述电池的充电温度大于预设温度时， 则断开与 所述充电器的连接。
7、 根据权利要求 6所述的用户设备， 其特征在于， 所述测量模块包括： 实际输出电流值测量单元， 用于根据接收的快速充电指令， 测量与预设充电电流值 对应的所述充电器的实际输出电流值；
最大输出电流值测量单元，用于判断所述充电器的实际输出电流值与所述预设充电 电流值的大小， 若所述充电器的实际输出电流值大于所述预设充电电流值， 则更新所述 预设充电电流值， 并重复上述步骤， 直至测量到的与更新后的预设充电电流值对应的充 电器的实际输出电流值小于所述更新后的预设充电电流值，确定测量到的与更新后的预 设充电电流值对应的充电器的实际输出电流值为所述充电器的最大输出电流值。
8、 根据权利要求 6或 7所述的用户设备， 其特征在于， 所述充电温度控制模块还 用于若检测到所述电池的充电温度再次小于所述预设温度时， 则与所述充电器连接。
9、 根据权利要求 6至 8任一项权利要求所述的用户设备， 其特征在于， 还包括： 快速充电时间获取模块， 用于获取快速充电时间；
转换模块， 用于若所述快速充电时间大于预设充电时间， 则从所述充电器中接收与 预设电流值对应的第二充电电流对所述用户设备的电池充电。
10、 根据权利要求 6-9任一项权利要求所述的用户设备， 其特征在于， 所述充电电 流设置模块具体用于设置对用户设备的电池的充电电流值为所述最大输出的电流值的 80%至 90%。
11、 根据权利要求 6至 10任一项权利要求所述的用户设备， 其特征在于， 所述充 电温度控制模块具体为负温度系数热敏电阻。
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