WO2014166269A1 - 一种充电方法及装置 - Google Patents

一种充电方法及装置 Download PDF

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Publication number
WO2014166269A1
WO2014166269A1 PCT/CN2013/088642 CN2013088642W WO2014166269A1 WO 2014166269 A1 WO2014166269 A1 WO 2014166269A1 CN 2013088642 W CN2013088642 W CN 2013088642W WO 2014166269 A1 WO2014166269 A1 WO 2014166269A1
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Prior art keywords
charging
terminal
temperature
temperature value
limiting
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PCT/CN2013/088642
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English (en)
French (fr)
Inventor
豆明明
康海雷
张波
于欣
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中兴通讯股份有限公司
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Publication of WO2014166269A1 publication Critical patent/WO2014166269A1/zh

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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
    • 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
    • H02J7/007—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
    • 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

  • the present invention relates to the field of communications, and in particular, to a charging method and apparatus.
  • terminal devices such as mobile phones have become an indispensable portable item in people's lives. Since it is a mobile terminal that is carried around, it is assumed that the equipped battery cannot be too large in capacity, so the endurance and charging time of these terminal devices become a problem that users are very concerned about. People require endurance as long as possible, charging time is as short as possible, and the battery is fully charged. As the functions become more and more complex, and the structure is increasingly thin and light, the processing power and power consumption of the intelligent terminal are increasing. The problem of heat is also highlighted. When the user is charging while using it, there may even be an over-temperature stop charging, and the user experience is very bad. Summary of the invention
  • the technical problem to be solved by the present invention is to provide a charging method and apparatus for preventing the temperature from being too high and stopping charging.
  • the present invention provides a charging method, including: collecting a temperature value of a sample point in real time during charging of a terminal;
  • the temperature reduction process is performed, and then the charging is continued.
  • the above method further has the following features: the performing the temperature lowering process comprises: limiting a charging current to the terminal.
  • the performing the temperature cooling process comprises: limiting a central processor frequency of the main chip of the terminal.
  • the above method also has the following features:
  • the designated sample point includes: a battery of the terminal.
  • the present invention also provides a charging device, which includes: The sample module is set to: in the charging process of the terminal, the temperature value of the sample point is specified in real time;
  • the processing module is configured to: if it is detected that the temperature value exceeds the threshold, perform a temperature reduction process, and then continue charging.
  • the above device also has the following features:
  • the processing module is configured to: perform a temperature reduction process, including: limiting charging current to the terminal.
  • a temperature reduction process including: limiting charging current to the terminal.
  • the above device also has the following features:
  • the processing module is configured to: perform a temperature reduction process comprising: limiting a central processor frequency of the main chip of the terminal.
  • the above device also has the following features:
  • the designated sample point includes: a battery of the terminal.
  • the embodiment of the present invention provides a charging method and device.
  • the temperature of each detection point is obtained, and the charging current is set according to the sample value and the internal setting value, thereby achieving the charging process.
  • the charging current is set according to the sample value and the internal setting value, thereby achieving the charging process.
  • FIG. 1 is a flow chart of a method of charging according to an embodiment of the present invention
  • FIG. 2 is a flow chart of a method of charging according to an application example of the present invention.
  • FIG. 3 is a schematic diagram of a charging device according to an embodiment of the present invention.
  • Fig. 4 is a schematic view showing the temperature of the battery in the embodiment of the present invention. Preferred embodiment of the invention
  • FIG. 1 is a flowchart of a method for charging according to an embodiment of the present invention. As shown in FIG. 1, the method in this embodiment includes: 511. In the process of charging the terminal, the temperature value of the sample point is specified in real time;
  • the method of the embodiment can prevent the charging from overheating, achieve efficient charging, effectively control terminal heating, and enhance the user experience.
  • FIG. 2 is a flowchart of a method for charging according to an application example of the present invention. As shown in FIG. 2, the method of this example includes:
  • Step S21 when the user inserts a USB or a charger or other charging device, an insertion interruption is detected;
  • Step S22 after detecting the interruption, starting to perform the charging behavior, first determining whether the battery power is full, if full, proceeding to step S27, otherwise performing step S23;
  • Step S23 starting to collect temperature values of each sample point
  • Step S24 according to these temperature values, performing a temperature-lowering process, such as performing a corresponding limit charging current and limiting the CPU (Central Processing Unit) frequency of the main chip of the charged terminal, and then continuing the charging process, that is, step S25;
  • a temperature-lowering process such as performing a corresponding limit charging current and limiting the CPU (Central Processing Unit) frequency of the main chip of the charged terminal
  • Step S25 is a state of charge machine, and the temperature value is continuously read. If the temperature exceeds certain limits, step S24 is performed. If the charger is removed, that is, step S28, step S29 is performed to stop charging. If the battery is full, that is, step S26, step S27 is performed, and charging is completed;
  • Step S26 when the battery is full, the full interruption is triggered
  • Step S27 charging is completed, and related settings are reset
  • Step S28 when the user removes the charging device, an interrupt is generated
  • step S29 the charging is stopped, and the related settings are reset.
  • FIG. 3 is a schematic diagram of a charging apparatus according to an embodiment of the present invention. As shown in FIG. 3, the charging apparatus of this embodiment includes:
  • the sample module is configured to collect the temperature value of the sample point in real time during the charging process; and the processing module is configured to perform a temperature reduction process if the temperature value exceeds the threshold value, and then continue charging.
  • the sample module may include a battery NTC (Negative Temperature Coefficient) temperature sampling circuit and other sampling circuits using a temperature sensor.
  • NTC Negative Temperature Coefficient
  • the resistor S41, - terminates the reference voltage, and the other end is a sample point of the battery temperature
  • the resistor S42, - is connected to the battery temperature collecting input end of the temperature collecting module, and the other end is connected to the temperature detecting pin of the battery S43;
  • Grounding S44 is the grounding wire
  • the collection module S45 completes the reference voltage setting and the battery temperature sampling function.
  • the working mechanism of this embodiment is based on various temperature samples, based on a database obtained from a large number of tests in the previous stage, and dynamic limiting or frequency limiting is performed to achieve the purpose of adjusting the terminal temperature and achieving efficient charging.
  • the embodiment of the invention has the following advantages:
  • the temperature of the equipment will be significantly improved and the heating will be slowed down.
  • the charging method of the embodiment activates a corresponding level of the limiting charging current or limits the CPU (Central Processing Unit) frequency of the charging terminal. To achieve the purpose of reducing the temperature of the corresponding heating point.
  • CPU Central Processing Unit
  • the present embodiment avoids the charging over-temperature prompt and stops charging, and also improves the heating condition of the device, the user experience is greatly improved, and the problem that the user can directly see and feel is optimized.
  • the embodiment of the invention provides a charging method and device.
  • the temperature of each detection point is obtained, and the charging current is set according to the sample value and the internal setting value, so that the charging process does not occur.

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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)

Abstract

一种充电方法及装置，该方法包括：在对终端充电过程中，实时采集指定采样点的温度值；如检测到所述温度值超过门限值，则进行降温处理，然后继续充电。通过所述充电方法及装置可以达到充电过程中不出现过温停止充电、充电时间缩短以及设备发热减少的多个目的。

Description

一种充电方法及装置
技术领域
本发明涉及通信领域， 特别是涉及一种充电方法及装置。
背景技术
随着移动互联网技术的发展和移动终端的普及， 诸如手机等的终端设备 已经成为人们生活中不可缺少的随身用品。 既然是随身携带的移动终端， 注 定了配备的电池不可能太大容量， 所以这些终端设备的续航能力以及充电时 间就成为了用户很关心的问题。人们要求续航能力尽量长，充电时间尽量短， 以及电池充得尽量满。 由于功能越来越复杂， 而结构越来越追求轻薄， 所以 智能终端的处理能力和耗电量都在增加。 发热问题也因此凸现出来， 当用户 边使用边充电时， 甚至会出现过温停止充电的情况， 用户体验很不好。 发明内容
本发明要解决的技术问题是提供一种充电方法及装置， 以防止温度过高 而停止充电。
为了解决上述技术问题， 本发明提供了一种充电的方法， 包括： 在对终端充电过程中， 实时釆集指定釆样点的温度值；
如检测到所述温度值超过门限值， 则进行降温处理， 然后继续充电。 优选地， 上述方法还具有下面特点： 所述进行降温处理包括： 限制对所述终端的充电电流。
优选地， 上述方法还具有下面特点： 所述进行降温处理包括： 限制所述终端的主芯片的中央处理器频率。
优选地， 上述方法还具有下面特点：
所述指定釆样点包括： 所述终端的电池。
为了解决上述问题， 本发明还提供了一种充电装置， 其中， 包括： 釆样模块， 设置为： 在对终端充电过程中， 实时釆集指定釆样点的温度 值；
处理模块，设置为：如检测到所述温度值超过门限值，则进行降温处理， 然后继续充电。
优选地， 上述装置还具有下面特点：
所述处理模块，设置为：进行降温处理包括：限制对所述终端充电电流。 优选地， 上述装置还具有下面特点：
所述处理模块， 设置为： 进行降温处理包括： 限制所述终端的主芯片的 中央处理器频率。
优选地， 上述装置还具有下面特点：
所述指定釆样点包括： 所述终端的电池。
综上， 本发明实施例提供一种充电方法及装置， 当进行充电时， 获取下 各个检测点的温度， 根据这些釆样值和内部设定值， 来设定充电电流， 从而 达到充电过程中不出现过温停止充电、 充电时间缩短以及设备发热减少的多 个目的。 附图概述
图 1为本发明实施例的充电的方法的流程图；
图 2为本发明一应用示例的充电的方法的流程图；
图 3为本发明实施例的充电装置的示意图；
图 4是本发明实施例的对电池温度的釆样示意图。 本发明的较佳实施方式
下文中将结合附图对本发明的实施例进行详细说明。 需要说明的是， 在 不冲突的情况下， 本申请中的实施例及实施例中的特征可以相互任意组合。
图 1为本发明实施例的充电的方法的流程图， 如图 1所示， 本实施例的 方法包括： 511、 在对终端充电过程中， 实时釆集指定釆样点的温度值；
512、 如检测到所述温度值超过门限值， 则进行降温处理， 然后继续充 电。
本实施例的方法能够防止充电过温停止， 达到高效充电、 有效控制终端 发热以及增强用户体验的作用。
图 2为本发明一应用示例的充电的方法的流程图， 如图 2所示， 本示例 的方法包括：
步骤 S21 , 当用户插入 USB或者充电器或者其他充电设备时， 检测到插 入中断；
步骤 S22, 检测到中断后， 开始执行充电行为， 首先判断电池电量是否 已经充满， 如充满， 则执行步骤 S27 , 否则执行步骤 S23 ;
步骤 S23 , 开始收集各个釆样点的温度值；
步骤 S24, 根据这些温度值， 进行降温处理， 如进行相应的限制充电电 流和限制被充电终端的主芯片的 CPU( Central Processing Unit,中央处理器） 频率， 再继续充电过程， 即步骤 S25;
步骤 S25 , 是充电状态机， 会不断地读取温度值， 如果温度超过某些界 限会执行步骤 S24。 如果充电器被移除， 即步骤 S28, 则执行步骤 S29, 停止 充电。 如果电池被充满了， 即步骤 S26 , 则执行步骤 S27 , 充电完成；
步骤 S26, 电池被充满时， 充满中断被触发；
步骤 S27 , 充电完成， 复位相关设置；
步骤 S28, 用户移除充电设备时， 产生中断；
步骤 S29, 停止充电， 复位相关设置。
图 3为本发明实施例的充电装置的示意图， 如图 3所示， 本实施例的充 电装置包括：
釆样模块， 用于在充电过程中， 实时釆集指定釆样点的温度值； 处理模块， 用于如检测到所述温度值超过门限值， 则进行降温处理， 然 后继续充电。 其中， 釆样模块可以包括电池 NTC ( Negative temperature coefficient , 负 温度系数）温度釆样电路以及其他使用温度传感器的釆样电路。 对电池温度 釆样简图如图 4所示：
电阻 S41 , —端接参考电压， 另一端是电池温度的釆样点；
电阻 S42, —端接的是温度釆集模块的电池温度釆集输入端， 另一端接 电池 S43的温度检测引脚；
接地 S44, 是连接地线；
釆集模块 S45 , 完成参考电压设置和电池温度釆样功能。
本实施例的工作机理是根据各个温度釆样值， 基于前期的大量测试得到 的数据库， 进行动态的限流或限频， 以达到调整终端温度和实现高效充电的 目的。
与传统的充电方案相比， 本发明实施例有以下若干优点：
高效充电。 由于本实施例使用的充电方法能在保证尽可能不过温的前提 下， 用最大的电流充电， 保证最快充满电；
设备温度会明显改善， 发热现象得到减緩。 当检测到充电终端的电池
NTC温度、设备中某些发热点等的温度超过某一设定值时， 本实施例的充电 方法启动相应等级的限制充电电流或限制充电终端的 CPU ( Central Processing Unit, 中央处理器 )频率 , 来达到降低相应发热点的温度的目的。
由于本实施例避免了充电过温提示和停止充电， 亦改善了设备的发热状 况，所以用户体验得到了很大提升，用户能直接看到和感受的问题得到优化。
本领域普通技术人员可以理解上述方法中的全部或部分步骤可通过程序 来指令相关硬件完成， 所述程序可以存储于计算机可读存储介质中， 如只读 存储器、 磁盘或光盘等。 可选地， 上述实施例的全部或部分步骤也可以使用 一个或多个集成电路来实现。 相应地， 上述实施例中的各模块 /单元可以釆用 硬件的形式实现， 也可以釆用软件功能模块的形式实现。 本发明不限制于任 何特定形式的硬件和软件的结合。 以上仅为本发明的优选实施例， 当然， 本发明还可有其他多种实施例， 在不背离本发明精神及其实质的情况下， 熟悉本领域的技术人员当可根据本 发明作出各种相应的改变和变形， 但这些相应的改变和变形都应属于本发明 所附的权利要求的保护范围。
工业实用性
本发明实施例提供一种充电方法及装置， 当进行充电时， 获取下各个检 测点的温度， 根据这些釆样值和内部设定值， 来设定充电电流， 从而达到充 电过程中不出现过温停止充电、充电时间缩短以及设备发热减少的多个目的。

Claims

权 利 要 求 书
1、 一种充电的方法， 包括：
在对终端充电过程中， 实时釆集指定釆样点的温度值；
如检测到所述温度值超过门限值， 则进行降温处理， 然后继续充电。
2、 如权利要求 1所述的方法， 其中， 所述进行降温处理包括： 限制对所述终端的充电电流。
3、 如权利要求 1所述的方法， 其中， 所述进行降温处理包括： 限制所述终端的主芯片的中央处理器频率。
4、 如权利要求 1-3任一项所述的方法， 其中，
所述指定釆样点包括： 所述终端的电池。
5、 一种充电装置， 包括：
釆样模块， 设置为： 在对终端充电过程中， 实时釆集指定釆样点的温度 值；
处理模块，设置为：如检测到所述温度值超过门限值，则进行降温处理， 然后继续充电。
6、 如权利要求 5所述的充电装置， 其中，
所述处理模块，设置为：进行降温处理包括：限制对所述终端充电电流。
7、 如权利要求 5所述的充电装置， 其中，
所述处理模块， 设置为： 进行降温处理包括： 限制所述终端的主芯片的 中央处理器频率。
8、 如权利要求 5-7任一项所述的充电装置， 其中，
所述指定釆样点包括： 所述终端的电池。
PCT/CN2013/088642 2013-08-16 2013-12-05 一种充电方法及装置 WO2014166269A1 (zh)

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CN104899124B (zh) * 2015-04-28 2018-01-09 深圳市万普拉斯科技有限公司 移动终端的安全操作控制方法和系统及移动终端
CN106371476B (zh) * 2015-07-23 2020-01-17 西安中兴新软件有限责任公司 一种终端及控制终端温度的方法

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CN101626087A (zh) * 2008-07-11 2010-01-13 索尼株式会社 电池组、信息处理设备、充电控制系统和充电控制方法

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