WO2018076653A1 - 充电方法、装置及终端 - Google Patents

充电方法、装置及终端 Download PDF

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Publication number
WO2018076653A1
WO2018076653A1 PCT/CN2017/083008 CN2017083008W WO2018076653A1 WO 2018076653 A1 WO2018076653 A1 WO 2018076653A1 CN 2017083008 W CN2017083008 W CN 2017083008W WO 2018076653 A1 WO2018076653 A1 WO 2018076653A1
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Prior art keywords
battery
charging
resistor
control
circuit
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PCT/CN2017/083008
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English (en)
French (fr)
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梁超
赵战克
许冬艳
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中兴通讯股份有限公司
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Publication of WO2018076653A1 publication Critical patent/WO2018076653A1/zh

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    • H02J7/0086—
    • 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

Definitions

  • the present disclosure relates to the field of communication technologies, for example, to a charging method, apparatus, and terminal.
  • USB Universal Serial Bus
  • the USB connector will still supply power to the power management chip. At this time, the terminal will consume an additional 10 mA of current, which will result in waste of power and a certain safety hazard.
  • the present disclosure provides a charging method, device and terminal, which can solve the problem that the USB connector still supplies power to the power management chip after the battery is fully charged, and there is a problem of waste of power and safety risks.
  • the embodiment provides a charging method, which may include: detecting a battery power during charging; detecting that the internal charging structure is connected to an external power supply line when the battery is fully charged; and detecting that the battery is not fully charged, maintaining The connection of the internal charging structure to the external power supply line.
  • the embodiment provides a charging terminal, which may include: a control circuit and a switch circuit; one end of the switch circuit is connected to an external power supply line, and the other end is connected to the control circuit; and the control circuit charges the battery during charging And detecting a battery power, sending a control signal to the switch circuit according to the battery power; wherein, when the control circuit detects that the battery power is full, sending a first control signal to the switch circuit to disconnect the switch circuit; When it is detected that the battery is not fully charged, a second control signal is sent to the switch circuit to cause the switch circuit to close.
  • the charging path before the power management chip is automatically disconnected.
  • the terminal is in a dormant state, eliminating power waste and security risks.
  • the embodiment further provides a computer readable storage medium storing computer executable instructions for performing a control method of any one of the above charging.
  • FIG. 1 is a flow chart of a charging method according to the present embodiment.
  • FIG. 2 is a flow chart showing another charging method in accordance with the present embodiment.
  • FIG. 3 is a structural diagram of a charging apparatus according to the present embodiment.
  • FIG. 4 is a structural diagram of a charging terminal according to the present embodiment.
  • FIG. 5 is a circuit diagram of a switch circuit according to the present embodiment.
  • FIG. 1 is a flowchart of the charging method of the embodiment. As shown in FIG. 1, the flow includes the following steps. The method can be performed by a control circuit in the terminal.
  • control circuit detects the battery power during charging.
  • the switch circuit After detecting that the battery is fully charged by the control circuit in the terminal, the switch circuit is disconnected, and the power supply line is automatically disconnected, so that the charging components in the terminal, such as the power management chip and the main chip, are disconnected from the external power supply, and the terminal is in a sleep state. Eliminate power waste and safety hazards. In addition, when it is detected that the battery is not full, the charging is continued, so that the solution can balance the charging effect and the battery can be fully charged.
  • the terminal may include a control circuit and a switch circuit
  • the control circuit may include a main chip.
  • the power management chip, the main chip and the power management chip are respectively connected to the switch circuit, wherein the power management chip further includes a charge management chip, the charge management chip periodically detects the battery power of the terminal, and sends the detection result to the main chip, the main chip An instruction is sent to the switching circuit based on the detection result.
  • the charging management chip detects that the battery power is 100%, it is determined that the battery charging is completed, and the result of charging the battery power is sent to the main chip, and the main chip sends an instruction to the switching circuit according to the result, indicating that the switching circuit is disconnected from the external circuit. Connection of the power supply line.
  • the charging management chip detects that the battery power is less than 100%, it is determined that the battery charging is not completed, and the result that the battery charging is not completed is sent to the main chip, and the main chip sends an instruction to the switching circuit according to the result, indicating that the switch circuit is kept or closed and externally
  • the connection of the power supply line continues to charge the terminal battery.
  • the main chip can be connected to the switching circuit through the GPIO pin.
  • the detecting the battery power may include: the control circuit detecting the battery power every interval for a first preset time.
  • the control circuit By spacing the first preset time, for example 30 seconds or 1 minute, the control circuit detects the battery power once, which can effectively monitor the change of the battery power. When the battery is full, it can disconnect the external power supply in time to save power and eliminate safety. Hidden dangers. At the same time, the interval can also make the detection circuit not need to provide the detection signal too frequently, which saves the power.
  • a charging method is provided in this embodiment. 2 is a flow chart of a charging method according to the present embodiment. The process can include the following steps.
  • the terminal is in a power on state.
  • the terminal is connected to the charger.
  • the charging management chip in the terminal acquires the battery power, and determines whether the current battery power is 100%. If the battery power is 100%, the operation in S208 is performed. If the battery power is not 100%, the execution is performed in S204. The operation in .
  • the terminal outputs a low level to the switch circuit through the general purpose input/output (GPIO) pin of the main chip, indicating that the switch circuit is closed.
  • GPIO general purpose input/output
  • the USB connector normally supplies power to the power management chip of the terminal and charges the battery.
  • the USB connector is only one type of external charging interface, and the embodiment may also adopt Other external charging interfaces charge the terminal, such as a charger.
  • the charging management chip polls whether the battery power is 100% every 30 seconds. If the battery power is 100%, the operation in S208 is performed. If the battery circuit is less than 100%, the execution in S210 is performed. operating.
  • the terminal outputs a high level to the switch circuit through the GPIO pin of the main chip, indicating that the switch circuit is disconnected.
  • the terminal outputs a low level to the switch circuit through the GPIO pin of the main chip, indicating that the switch circuit is closed.
  • the charging process it is set, for example, to check whether the battery power is full every 30 seconds, and if it is full, the charging circuit is disconnected, so that the power management chip disconnects the external power supply. If not, continue to maintain the charging process.
  • the battery power can be kept in a full state, and the power management chip disconnects the external power supply when the battery is full, and achieves a balance between the charging effect and the power saving.
  • a charging device is provided, and the charging device module diagram is as shown in FIG. 3.
  • the charging device can include a switch module 11 and a control module 12; the control module 12 is configured to charge the battery and detect battery power during charging.
  • the control module 12 transmits a control signal to the switch module 11 in accordance with battery power.
  • the control module 12 detects that the battery power is full, sending the first control signal to the switch module 11 to turn off the switch module 11; when the control module 12 detects that the battery power is not full, The switch module 11 sends a second control signal to keep the switch module 11 in communication.
  • the first control signal is a low level signal
  • the second control signal is a high level signal
  • the charging device can automatically disconnect the charging path through the control module 12 when the battery is fully charged, so that the charging device can be in a dormant state, eliminating power waste and safety hazards, and at the same time ensuring The battery can be fully charged, taking into account the charging effect.
  • the switch module 11 in the device may include: an enable sub-module and a cut-off sub-module; after receiving the control signal, the enable sub-module converts the control signal into a control power that can be recognized by the truncated sub-module And sent to the truncating sub-module; the truncating sub-module receives the control level, and cuts or closes the connection of the switching circuit to the external power supply line.
  • the switch module 11 can effectively receive the control signal for on-off processing, thereby accurately disconnecting the external power supply, eliminating power waste and security risks.
  • the switch module may be referred to as a switch circuit
  • the control module may be referred to as a control module
  • a charging terminal is provided in this embodiment.
  • the charging terminal in this embodiment is shown in FIG. 4 .
  • the charging terminal may include a switching circuit 21 and a control circuit 22; one end of the switching circuit 21 is disposed to be connected to the external power supply line 13 and the other end is connected to the control circuit 22.
  • the control circuit 22 charges the battery and detects the battery level.
  • the control circuit 22 transmits a control signal to the switch circuit 21 through a signal output terminal (for example, a GPIO pin of the main chip) according to a battery power; wherein, when the control circuit 22 detects that the battery power is full, the control The circuit 22 sends a first control signal to the switch circuit 21 to turn off the switch circuit 21; when the control circuit 22 detects that the battery power is not full, sends a second control signal to the switch circuit 21 to cause the Switch circuit 21 remains closed.
  • a signal output terminal for example, a GPIO pin of the main chip
  • the charging terminal can automatically switch off the connection with the external power supply line 23 by the control of the control circuit 22 when the battery is fully charged, so that the internal components of the terminal, such as the power management chip, are disconnected from the external power supply, ensuring complete sleep. Eliminate power waste and safety hazards.
  • FIG. 5 is a circuit diagram of the switching circuit of the embodiment.
  • the switching circuit 21 may include: a first metal oxide semiconductor (MOS) transistor Q1, The second MOS transistor Q2, the first MOS transistor Q1 and the second MOS transistor Q2 convert the control signal to a control level.
  • MOS metal oxide semiconductor
  • the control signal can be converted into a control level for controlling the on and off of the subsequent circuit, and the MOS transistor is compared with a component such as a relay.
  • the size of the integrated circuit board is smaller, and the integrated circuit board is easy to be integrated, and is suitable for installation into a small device such as a terminal, so as to achieve the technical effect of eliminating power waste and safety hazards.
  • the switch circuit 21 may further include: a third MOS transistor Q3 that opens or closes the switch circuit 21 according to a control level.
  • the first MOS transistor Q1 and the second MOS transistor Q2 are N-type metal oxide semiconductor field effect transistors, that is, NMOS transistors; and the third MOS transistor Q3 is a P-type metal.
  • An oxide semiconductor field effect transistor that is, a PMOS transistor; a gate G1 of the first NMOS transistor Q1 is connected to a first end of the first resistor R1, a source S1 is grounded, and a drain D1 is connected to a gate of the second NMOS transistor Q2. G2 is connected. The source S2 of the second NMOS transistor Q2 is grounded, and the drain D2 is connected to the gate G3 of the third PMOS transistor Q3.
  • the source S3 of the third PMOS transistor Q3 is connected to the external power supply interface, and the drain D3 is connected to the power management chip of the control circuit 22.
  • the power management chip includes a charge management chip. As shown in FIG. 5, the drain D3 is electrically connected to the charge management chip 221 of the control circuit.
  • the external power supply interface may include a USB interface or a docking interface.
  • the control circuit signal output end (such as the GOIP pin 220 of the main chip shown in FIG. 5) is connected to the second end of the first resistor R1 and the first end of the second resistor R2; the second resistor R2 The second end is grounded.
  • the first end of the third resistor R3 is connected to the drain D1 of the first NMOS transistor and the gate G2 of the second NMOS transistor; the first end of the fourth resistor R4 and the drain of the second NMOS transistor D2 is connected to the third PMOS transistor gate G3; the second end of the third resistor R3 and the second end of the fourth resistor R4 are connected to the external power supply interface.
  • the control circuit can be accurately turned on and off, and the function can be completed in a smaller volume, and is more suitable for installation into a small-sized device such as a terminal, thereby achieving the technical effect of eliminating power waste and safety hazards.
  • control circuit 22 may include: a main chip 220 and a charging management chip 221; the charging management chip 221 is connected to the switch circuit 21; the charging management chip 221 detects the battery power, and The detection result is sent to the main chip 220; the main chip 220 sends a control signal to the switch circuit 21 according to the detection result.
  • the main circuit 220 and the charging management chip 221 form the control circuit 22, which can effectively utilize the pin resource processing of the main chip 220 and transmit the control signal, thereby effectively managing the battery charging process and achieving the technical effect of eliminating power waste and safety hazards.
  • the charging management chip 221 in the control circuit 22 provides charging power to the battery when the switching circuit 21 is turned on.
  • the charging management chip 221 provides charging power for the battery, can effectively control the charging speed for safe charging, and effectively manage the battery charging process, thereby achieving the technical effect of eliminating power waste and safety hazards.
  • the modules or steps in the above embodiments may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices. Alternatively, they may be calculated.
  • the program code executable by the device is implemented.
  • the program code may be stored in a storage device for execution by a computing device, and in some cases, the steps shown or described may be performed in an order different than that.
  • the program code can also be separately fabricated into a plurality of integrated circuit modules, or a plurality of modules or steps in the program code can be implemented as a single integrated circuit module.
  • the above embodiments are not limited to any particular combination of hardware and software.
  • the embodiment further provides a computer readable storage medium storing computer executable instructions for performing any of the above charging control methods.
  • the computer readable storage medium can be a non-transitory computer readable storage medium or a transitory computer readable storage medium.
  • the non-transitory computer storage medium may include volatile memory such as random access memory (RAM), and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other nonvolatile memory. Solid state storage devices.
  • the present disclosure provides a charging control method, device, and terminal, which can solve the problem that the USB connector still supplies power to the power management chip after the battery is full, and there is a problem of power waste and security risks.

Abstract

一种充电控制方法、装置及终端，该方法包括：充电过程中，检测电池电量；检测到电池电量充满时，断开内部充电结构与外部供电线路的连接；检测到电池电量未充满时，保持内部充电结构与外部供电线路的连接。

Description

充电方法、装置及终端 技术领域
本公开涉及通信技术领域，例如涉及一种充电方法、装置及终端。
背景技术
当终端插上充电器后，通用串行总线(Universal Serial Bus，USB)连接器给电源管理芯片供电，由电源管理芯片进行电压转换给主芯片供电，并给电池充电。若拔掉充电器，则由电池给电源管理芯片供电，再由电源管理芯片进行电压转换给主芯片供电。
只要插上充电器，即使电池已经充满，USB连接器仍然会给电源管理芯片供电，此时终端会额外消耗10mA的电流，造成电量的浪费，还会有一定安全隐患。
发明内容
本公开提供了一种充电方法、装置及终端，可以解决在电池电量充满后，USB连接器仍然向电源管理芯片供电，存在电量浪费以及安全隐患的相关问题。
本实施例提供了一种充电方法，可以包括：在充电过程中，检测电池电量；检测到电池电量充满时，断开内部充电结构与外部供电线路的连接；检测到电池电量未充满时，保持内部充电结构与外部供电线路的连接。
本实施例提供一种充电终端，可以包括：控制电路和开关电路；所述开关电路一端设置为与外部供电线路连接，另一端连接控制电路；所述控制电路在充电过程中，对电池进行充电并检测电池电量，根据电池电量向所述开关电路发送控制信号；其中，当所述控制电路检测到电池电量充满时，向所述开关电路发送第一控制信号使所述开关电路断开；当检测到电池电量未充满时，向所述开关电路发送第二控制信号使所述开关电路闭合。
本实施例在电池充电完成后，自动断开电源管理芯片之前的充电路径，保 证终端处于休眠状态，消除了电量浪费以及安全隐患。
本实施例还提供一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令用于执行上述任意一种充电的控制方法。
附图说明
图1是根据本实施例的充电方法的流程图。
图2是根据本实施例提供另一个充电方法流程图。
图3是根据本实施例提供充电装置的结构图。
图4是根据本实施例提供充电终端的结构图。
图5是根据本实施例提供开关电路电路图。
具体实施方式
下文中将参考附图并结合以下实施例来说明本公开。在不冲突的情况下，以下实施例及实施例中的特征可以相互组合。
本实施例提供了一种充电方法，图1是本实施例的充电方法的流程图，如图1所示，该流程包括如下步骤。该方法可以由终端中的控制电路执行。
在S102中，在充电过程中，控制电路检测电池电量。
在S104中，当检测到电池电量充满时，断开内部充电结构与外部供电线路的连接。
在S106中，当检测到电池电量未充满时，保持内部充电结构与外部供电线路的连接。
通过终端中的控制电路检测到电池电量充满后，断开开关电路，自动断开供电线路，使得终端中的充电部件，例如电源管理芯片和主芯片等，断开外部供电，保证终端处于休眠状态，消除了电量浪费以及安全隐患。此外，在检测到电池电量未满时，继续保持充电，使得方案能兼顾充电效果，能够使得电池达到充满状态。
可选地，终端中可以包括控制电路和开关电路，控制电路可以包括主芯片 和电源管理芯片，主芯片和电源管理芯片分别连接至开关电路，其中电源管理芯片还可以包括充电管理芯片，充电管理芯片周期性地检测终端的电池电量，将检测结果发送至主芯片，主芯片根据检测结果向开关电路发送指令。
例如，当充电管理芯片检测到电池电量为100％时，确定电池充电完成，将电池电量充电完成的结果发送至主芯片，主芯片根据该结果向开关电路发送指令，指示开关电路断开与外部供电线路的连接。当充电管理芯片检测到电池电量小于100％时，确定电池充电未完成，将电池充电未完成的结果发送至主芯片，主芯片根据该结果向开关电路发送指令，指示开关电路保持或闭合与外部供电线路的连接，继续为终端电池进行充电。主芯片可以通过GPIO引脚与开关电路连接。
可选地，所述检测电池电量可以包括：控制电路每间隔第一预设时间检测所述电池电量。
通过间隔第一预设时间，例如30秒或者1分钟，控制电路检测一次电池电量，可以有效监控到电池电量的变化情况，当电池充满时能及时断开与外部供电连接，节省电能、消除安全隐患。同时，间隔一段时间也能使得检测电路不必过于频繁提供检测信号，起到节省电能的目的。
在本实施例中提供了一种充电方法。图2为根据本实施例的充电方法流程图。该流程可以包括如下步骤。
在S201中，终端处于开机状态。
在S202中，终端与充电器连接。
在S203中，终端中的充电管理芯片获取电池电量，并判断当前电池电量是否为100％，如果电池电量是100％，则执行在S208中的操作，如果电池电量不是100％，则执行在S204中的操作。
在S204中，终端通过主芯片的通用输入/输出端(General Purpose Input Output，GPIO)引脚输出低电平至开关电路，指示开关电路闭合。
在S205中，USB连接器正常给终端的电源管理芯片供电并给电池充电。
可选地，USB连接器仅是一种仅是一种外部充电接口，本实施例也可以采用 其他外部充电接口对终端进行充电，如座充。
在S206中，LCD屏灭。
在S207中，屏幕熄灭后，充电管理芯片每隔30秒会轮询检测电池电量是否为100％，如果电池电量为100％，执行S208中的操作，如果电池电路不足100％，执行S210中的操作。
在S208中，终端通过主芯片的GPIO引脚输出高电平至开关电路，指示开关电路断开。
在S209中，USB连接器与充电管理芯片之间的供电线路断开。并跳转执行在S207中的操作。
在S210中，终端通过主芯片的GPIO引脚输出低电平至开关电路，指示开关电路闭合。
在S211中，保持USB连接器与充电管理芯片之间的供电线路连通，LCD屏灭，并跳转执行S207中的操作。
在进行充电过程中，设定例如每隔30秒检测电池电量是否充满，如果充满则断开充电回路，使得电源管理芯片断开外部供电。如果没有充满则继续保持充电过程。通过该方法，可以使得电池电量保持在充满状态的同时，电源管理芯片在电池充满时断开外部供电，取得充电效果与节省电量之间的平衡。
在本实施例中提供一种充电装置，所述充电装置模块图如图3所示。该充电装置可以包括：开关模块11和控制模块12；在充电过程中，所述控制模块12设置为对电池进行充电并检测电池电量。根据电池电量，所述控制模块12向所述开关模块11发送控制信号。其中，当所述控制模块12检测到电池电量充满时，向所述开关模块11发送第一控制信号使所述开关模块11断开；当所述控制模块12检测到电池电量未充满时，向所述开关模块11发送第二控制信号使所述开关模块11保持连通。
可选地，该第一控制信号为低电平信号，该第二控制信号为高电平信号。
该充电装置可以在电池电量充满时，通过控制模块12自动断开充电路径，使得充电装置能够处于休眠状态，消除电量浪费以及安全隐患，同时又能保证 电池能够充满，兼顾了充电效果。
可选地，所述装置中所述开关模块11可以包括：使能子模块和截断子模块；所述使能子模块收到控制信号后，将控制信号转换为截断子模块能识别的控制电平并发送至截断子模块；所述截断子模块接收控制电平，截断或者闭合开关电路与外部供电线路的连接。
通过使能子模块和截断子模块的配合，使得开关模块11能够有效接收所述控制信号进行通断处理，从而能够准确实现断开外部供电，消除了电量浪费以及安全隐患。
可选地，开关模块可以称为开关电路，控制模块可以称为控制模块。
在本实施例中提供一种充电终端，本实施例提供充电终端如图4所示。该充电终端可以包括：开关电路21和控制电路22；所述开关电路21的一端设置为与外部供电线路13连接，另一端连接控制电路22。充电过程中，所述控制电路22对电池进行充电并检测电池电量。根据电池电量，所述控制电路22通过信号输出端(例如主芯片的GPIO引脚)向所述开关电路21发送控制信号；其中，当所述控制电路22检测到电池电量充满时，所述控制电路22向所述开关电路21发送第一控制信号使所述开关电路21断开；当所述控制电路22检测到电池电量未充满时，向所述开关电路21发送第二控制信号使所述开关电路21保持闭合。
该充电终端可以在电池电量充满时，通过控制电路22的控制使得开关电路21自动断开与外部供电线路23的连接，使得终端内部元件，例如电源管理芯片，断开外部供电，保证能够完全休眠，消除了电量浪费以及安全隐患。
图5示出了本实施例的开关电路的电路图，可选地，如图5所示，所述开关电路21中可以包括：第一金属氧化物半导体(Metal Oxide Semiconductor，MOS)晶体管Q1，第二MOS晶体管Q2，所述第一MOS晶体管Q1和第二MOS晶体管Q2将所述控制信号转换控制电平。
通过第一MOS晶体管Q1和第二MOS晶体管Q2的组合，能够将所述控制信号转换为控制后续电路通断的控制电平，相对于继电器等元件而言，MOS晶体管 占用集成电路板的体积更小，易于集成电路板的高集成化，适合安装到终端等体积小的设备中，以实现消除电量浪费以及安全隐患的技术效果。
可选地，所述开关电路21中还可以包括：第三MOS晶体管Q3，所述第三MOS晶体管Q3根据控制电平断开或闭合开关电路21。
可选地，在开关电路中，所述第一MOS晶体管Q1、所述第二MOS晶体管Q2为N型金属氧化物半导体场效应管，即NMOS晶体管；所述第三MOS晶体管Q3为P型金属氧化物半导体场效应管，即PMOS晶体管；所述第一NMOS晶体管Q1栅极G1连接第一电阻R1的第一端连接，源极S1接地，漏极D1与所述第二NMOS晶体管Q2栅极G2相连接。所述第二NMOS晶体管Q2源极S2接地，漏极D2与所述第三PMOS晶体管Q3栅极G3相连接。所述第三PMOS晶体管Q3源极S3接外部供电接口，漏极D3接控制电路22的电源管理芯片。可选地，电源管理芯片包括充电管理芯片，如图5所示，漏极D3与控制电路的充电管理芯片221电连接。
可选地，外部供电接口可以包括USB接口或者座充接口等。
控制电路信号输出端(如图5中所示的主芯片的GOIP引脚220)共接所述第一电阻R1的第二端与第二电阻R2的第一端；所述第二电阻R2的第二端接地。第三电阻R3的第一端与所述第一NMOS晶体管的漏极D1与所述第二NMOS晶体管的栅极G2相连接；第四电阻R4的第一端与所述第二NMOS晶体管漏极D2与所述第三PMOS晶体管栅极G3相连接；所述第三电阻R3的第二端和第四电阻R4的第二端共接所述外部供电接口。
通过上述元件构成开关电路，可准确实现控制电路通断，并且能够用更小的体积完成功能，更适合安装到终端等小体积的设备中，以实现消除电量浪费以及安全隐患的技术效果。
可选地，如图5所示，所述控制电路22可以包括：主芯片220和充电管理芯片221；所述充电管理芯片221与开关电路21连接；所述充电管理芯片221检测电池电量，并将检测结果发送到主芯片220；所述主芯片220根据检测结果发送控制信号至所述开关电路21。
通过主芯片220与充电管理芯片221构成控制电路22，能够有效利用主芯片220的管脚资源处理并发送控制信号，从而能够有效的管理电池充电过程，实现消除电量浪费以及安全隐患的技术效果。
可选地，所述控制电路22中所述充电管理芯片221在与开关电路21接通时，向电池提供充电电能。
通过充电管理芯片221为电池提供充电电能，能有效控制充电速度进行安全充电，有效的管理电池充电过程，从而实现消除电量浪费以及安全隐患的技术效果。
上述的本实施例中的模块或步骤可以用通用的计算装置来实现，它们可以集中在单个的计算装置上，或者分布在多个计算装置所组成的网络上，可选地，它们可以用计算装置可执行的程序代码来实现。可以将程序代码存储在存储装置中由计算装置来执行，并且在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤。还可以将程序代码分别制作成多个集成电路模块，或者将该程序代码中的多个模块或步骤制作成单个集成电路模块来实现。以上实施例不限制于任何特定的硬件和软件结合。
本实施例还提供一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令用于执行上述任意一种充电控制方法。
该计算机可读存储介质可以是非暂态计算机可读存储介质或暂态计算机可读存储介质。该非暂态计算机存储介质可以包括随机存取存储器(Random Access Memory，RAM)等易失性存储器，还可以包括非易失性存储器，例如至少一个磁盘存储器件、闪存器件、或其他非易失性固态存储器件。
工业实用性
本公开提供了一种充电控制方法、装置以及终端，可以解决在电池充满后，USB连接器仍然向电源管理芯片供电，存在电量浪费以及安全隐患的相关问题。

Claims (9)

  1. 一种充电控制方法，包括：
    在充电过程中，检测电池电量；
    检测到电池电量充满时，断开内部充电结构与外部供电线路的连接；以及
    检测到电池电量未充满时，保持内部充电结构与外部供电线路的连接。
  2. 如权利要求1所述方法，其中，所述检测电池电量包括：
    每间隔第一预设时间检测所述电池电量。
  3. 一种充电控制终端，包括：
    控制电路和开关电路；
    所述开关电路的一端设置为与外部供电线路连接，另一端连接控制电路；
    所述控制电路设置为在充电过程中，对电池进行充电并检测电池电量，根据电池电量，向所述开关电路发送相应的控制信号；
    其中，所述控制电路设置为当检测到电池电量充满时，向所述开关电路发送第一控制信号使所述开关电路断开；当检测到电池电量未充满时，向所述开关电路发送第二控制信号使所述开关电路闭合。
  4. 如权利要求3所述终端，其中，所述开关电路中包括：第一金属氧化物半导体MOS晶体管，第二MOS晶体管，所述第一MOS晶体管和第二MOS晶体管将所述控制信号转换为控制电平。
  5. 如权利要求4所述终端，其中，所述开关电路中还包括：第三MOS晶体管，所述第三MOS管根据所述控制电平断开或闭合所述开关电路与外部供电线路的连接。
  6. 如权利要求5所述终端，其中，所述开关电路中还包括：第一电阻、第二电阻、第三电阻和第四电阻；
    所述第一MOS晶体管、所述第二MOS晶体管为NMOS晶体管；所述第三MOS晶体管为PMOS晶体管；
    所述第一NMOS晶体管栅极连接第一电阻，源极接地，漏极与所述第二NMOS晶体管栅极相连接；
    所述第二NMOS晶体管源极接地，漏极与所述第三PMOS晶体管栅极相连接；
    所述第三PMOS晶体管源极设置为与外部供电线路相连接，漏极接控制电路；
    控制电路信号输出端接所述第一电阻和第二电阻的一端；所述第二电阻另一端接地；
    第三电阻一端与所述第一NMOS晶体管漏极与所述第二NMOS晶体管栅极连接；第四电阻一端与所述第二NMOS晶体管漏极与所述第三PMOS晶体管栅极连接；所述第三电阻另一端和第四电阻的另一端设置为与所述外部供电线路连接。
  7. 如权利要求3所述终端，其中，所述控制电路包括：
    主芯片和充电管理芯片；
    所述充电管理芯片与开关电路连接；
    所述充电管理芯片检测电池电量，并将电池电量发送到主芯片；
    所述主芯片根据电池电量发送控制信号至所述开关电路。
  8. 如权利要求7所述终端，其中，所述充电管理芯片在开关电路接通时，向电池提供充电电能。
  9. 一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令用于执行权利要求1-2任一项所述的充电控制方法。
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