WO2016177214A1 - 一种功耗的控制方法、装置及移动终端 - Google Patents

一种功耗的控制方法、装置及移动终端 Download PDF

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Publication number
WO2016177214A1
WO2016177214A1 PCT/CN2016/077879 CN2016077879W WO2016177214A1 WO 2016177214 A1 WO2016177214 A1 WO 2016177214A1 CN 2016077879 W CN2016077879 W CN 2016077879W WO 2016177214 A1 WO2016177214 A1 WO 2016177214A1
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Prior art keywords
terminal
power
power consumption
battery
preset
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PCT/CN2016/077879
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English (en)
French (fr)
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曹国君
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中兴通讯股份有限公司
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Publication of WO2016177214A1 publication Critical patent/WO2016177214A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • 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
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • This document relates to but not limited to the field of communication, and relates to a power consumption control method, device and mobile terminal.
  • the current 4G terminal products especially the wireless hotspot devices based on 4G networks, have always adopted the universal battery plus adapter scheme.
  • W the power consumption of the whole machine is close to or More than 3 watts (W)
  • this data can meet the system power requirements when powered by an adapter (usually the adapter is configured for 1 amp (A)/5 volts (V), 1.5A/5V, etc.), but at the moment many When used in a car or connected to a PC (Personal Computer), due to its USB (Universal Serial Bus) port output current limit of 500 milliamps (mA), it often appears during charging.
  • the shutdown of the terminal seriously affects the user's use.
  • the charger is not used, the battery may be pulled and protected due to excessive current, causing a malfunction such as a crash.
  • the terminal During the charging process of the terminal, if the load current exceeds the input capacity of the charger, the terminal will be shut down, which seriously affects the user's use, and cannot effectively ensure the normal operation of the terminal under the condition of limited charging input capability and the battery. Safe to use, the user experience is low.
  • Embodiments of the present invention provide a power consumption control method, apparatus, and mobile terminal, which are solved in During the charging process of the terminal, if the load current exceeds the input capability of the charger, the terminal shutdown will still occur, which improves the user experience.
  • Embodiments of the present invention provide a method for controlling power consumption, including:
  • the terminal accesses an external power source, detecting whether the battery power of the terminal is decreasing;
  • reducing power consumption of the terminal includes:
  • the method further includes:
  • the method further includes:
  • the power consumption of the terminal is reduced.
  • the method further includes:
  • the terminal performs a reset operation or closes the terminal.
  • the embodiment of the invention further provides a power consumption control device, including:
  • the monitoring module is configured to monitor whether the terminal is connected to an external power source
  • the detecting module is configured to detect, when the terminal accesses the external power source, whether the battery power of the terminal is decreasing;
  • the power consumption control module is configured to reduce power consumption of the terminal when the battery power is reduced.
  • the power consumption control module includes:
  • the sending unit is configured to, when the battery power is reduced, send a control signal that reduces power consumption of the terminal when the battery power is lower than a preset first power threshold;
  • the power consumption control unit is configured to control one or more of the power consumption of the terminal according to the control signal, wherein the power consumption of the terminal includes at least one of the following: screen brightness, motor speed, download speed, and radio frequency transmit power , display and indicator lights.
  • the detecting module is further configured to: after the power consumption control module reduces the power consumption of the terminal, detect whether the battery power reaches a preset second power threshold according to a predetermined time interval;
  • the power consumption control module is further configured to restore normal power consumption of the terminal when the battery power reaches the preset second power threshold, so that the terminal works normally.
  • the device further includes:
  • the determining module is configured to determine, when the terminal is not connected to the external power source, whether the battery power of the terminal is lower than a preset third power threshold;
  • the power consumption control module is further configured to reduce power consumption of the terminal if the battery power is lower than the preset third power threshold.
  • the detecting module is further configured to detect a load working current of the terminal in real time, and determine whether the load working current exceeds a preset maximum working current threshold;
  • the device also includes:
  • a protection module configured to perform a reset operation on the terminal or turn off the terminal if the load working current exceeds the preset maximum operating current threshold.
  • the embodiment of the invention further provides a mobile terminal, comprising the power consumption control device according to any one of the preceding claims.
  • the embodiment of the invention further provides a computer readable storage medium, wherein the computer readable storage medium stores computer executable instructions, and the computer executable instructions are implemented to implement a power consumption control method.
  • the embodiment of the invention detects the battery power of the terminal, and when the battery is still in the state of being discharged in the charging state, it indicates that the power consumption of the terminal needs to be adjusted, that is, the power consumption of the terminal is reduced, and the power consumption of the terminal is reduced after the power consumption is reduced.
  • the input capacity is greater than the load current
  • the terminal will charge normally, which improves the system performance and solves the related technology.
  • the load current exceeds the charger input capability, the battery will discharge and compensate, and the terminal will still be shut down. The situation that seriously affects the user's use and lower user experience.
  • FIG. 1 is a flowchart of a method for controlling power consumption in an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a power consumption control apparatus according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a power consumption control module of a power consumption control device according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a power consumption control device according to an embodiment of the present invention.
  • FIG. 5 is still another schematic structural diagram of a power consumption control apparatus according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a mobile terminal in an optional embodiment of the present invention.
  • FIG. 7 is a flowchart of a power consumption control method when there is an external electrical access terminal in an optional embodiment of the present invention.
  • the embodiment of the present invention provides a power consumption control method, device, and mobile terminal.
  • the embodiments of the present invention are further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the embodiments of the invention
  • An embodiment of the present invention provides a method for controlling power consumption.
  • the process of the method is as shown in FIG. 1 and includes steps S102 to S106:
  • Step S102 monitoring whether the terminal accesses an external power source
  • Step S104 in the case that the terminal accesses the external power source, it is detected whether the battery power of the terminal is decreasing to determine whether the battery is in a discharging state; if the battery state is still discharged during the charging state, the input cannot be replenished.
  • the output that is, the load current exceeds the charger input capability, therefore, the power consumption of the terminal needs to be controlled.
  • step S106 when the battery power is reduced, the power consumption of the terminal is reduced.
  • the embodiment of the invention detects the battery power of the terminal, and when the battery is still in the state of being discharged in the charging state, it indicates that the power consumption of the terminal needs to be adjusted, that is, the power consumption of the terminal is reduced, and the power consumption of the terminal is reduced after the power consumption is reduced.
  • the input capacity is greater than the load current
  • the terminal will charge normally, which improves the system performance and solves the related technology.
  • the load current exceeds the charger input capability, the battery will discharge and compensate, and the terminal will still be shut down. The situation that seriously affects the user's use and lower user experience.
  • reducing the power consumption of the terminal includes the following process: in the case that the battery power is reduced, the battery power is lower than the preset
  • a control signal for reducing power consumption of the terminal is transmitted; and one or more power consumption of the terminal is controlled according to the control signal, thereby achieving overall power consumption of the control terminal.
  • the preset first power threshold may be set to 20% of the total battery power, or may be set to 15% of the total battery power
  • the terminal power consumption includes at least one of the following: screen brightness, motor speed, download Speed, RF transmit power, display and indicator lights.
  • the battery power is reduced, after reducing the power consumption of the terminal, it is necessary to determine whether the charging reaches a state in which the terminal can be normally used, and then it is detected whether the battery power is up according to the predetermined time interval. Go to the preset second power threshold; if the battery power reaches the preset second power threshold, restore the normal power consumption of the terminal to make the terminal work normally.
  • the preset second power threshold may be a higher value, such as 80% of the total battery power.
  • the terminal may also take protection measures, that is, whether the load working current of the terminal can be detected in real time and whether the load working current exceeds a preset maximum working current threshold value, whether or not it is in a charging state; When the load working current exceeds the preset maximum operating current threshold, the terminal is reset or the terminal is closed to protect the terminal from damage to the terminal device due to excessive load current.
  • the embodiment of the present invention further provides a power consumption control device, which is shown in FIG. 2, and includes: a monitoring module 10 configured to monitor whether the terminal is connected to an external power source; and the detecting module 20 is coupled to the monitoring module 10, When the terminal is connected to the external power source, detecting whether the battery power is decreasing to determine whether the battery is in a discharging state; the power consumption control module 30 is coupled to the detecting module 20 and configured to reduce the battery power. , reduce the power consumption of the terminal.
  • the structure of the power consumption control module 30 may be as shown in FIG. 3, including: a sending unit 301, configured to reduce the battery power lower than the preset state when the battery power is reduced. a power control threshold signal is sent to reduce the power consumption of the terminal; the power consumption control unit 302 is coupled to the transmitting unit 301, and is configured to control part of the power consumption of the terminal according to the control signal to control the overall power consumption of the terminal, where Part of the power consumption includes at least one of the following: screen brightness, motor speed, download speed, RF transmit power, display and indicator lights.
  • the detecting module 20 is further configured to detect, after the power consumption control module 30 reduces the power consumption of the terminal, whether the battery power reaches a preset second power threshold according to a predetermined time interval; and the power consumption control module 30 is further configured to be in the battery power When the preset second power threshold is reached, the normal power consumption of the terminal is restored to make the terminal work normally.
  • the foregoing apparatus may be as shown in FIG. 4, and further includes: a determining module 40, and a monitoring module. 10, configured to determine whether the battery power of the terminal is lower than a preset third power threshold when the terminal is not connected to the external power source; the power consumption control module 30 is coupled with the determining module 40, and is further configured to In the case where the battery power is lower than the preset third power threshold, the power consumption of the terminal is lowered.
  • the device may also be as shown in FIG. 5, on the basis of FIG. 4, the detecting module 20 is further configured to detect the load working current of the terminal in real time, and determine whether the load working current exceeds a preset maximum operating current threshold.
  • the device further includes a protection module 50 coupled to the detection module 20 and configured to reset the terminal or shut down the terminal if the load operating current exceeds a preset maximum operating current threshold.
  • the detection and determination functions of the detection module 20 herein can also be implemented in two modules, which will not be described here.
  • the embodiment of the invention further provides a mobile terminal, which comprises the above-mentioned power consumption control device.
  • a mobile terminal which comprises the above-mentioned power consumption control device.
  • the embodiment of the present invention dynamically adjusts the terminal transmit power according to the data of the load power consumption of the terminal in real time, according to the USB (Universal Serial Bus) charger input current limit data and the battery charge and discharge information.
  • the transmission rate, etc., and the real-time adjustment of the load operating current, while parallel tasks, can make the system shutdown or crash caused by the terminal load operating current too large, affecting the normal use of the user.
  • the embodiment of the present invention provides a power consumption control method and a mobile terminal that implements the method, where the mobile terminal includes a power consumption control device.
  • the mobile terminal detects whether the current adapter (charger) can meet the load requirement of the terminal by detecting the load current and the battery charging and discharging information. If the load demand cannot be met, the power consumption control strategy is started to determine the specific according to the input and output power differences. Power reduction measures, such as reducing screen brightness, turning off display, reducing RF transmit power, etc.
  • the embodiment of the present invention can implement the adaptive power consumption control simply and conveniently, and avoid the situation that the power is turned off even if the charger is inserted during use, thereby ensuring the normal use of the terminal device.
  • FIG. 6 is a schematic structural diagram of a mobile terminal, which mainly includes a battery, a charging module, a detection module, Power management module, main control module and other auxiliary load modules, such as display screen, indicator light, WIFI module, RF module, etc.;
  • the battery can be a lithium battery, a lithium polymer battery, and other batteries used by smart terminals; for the detection module, in this embodiment, it is divided into two parts: a power detection and a current detection, and the current detection module detects the voltage across the resistance through the sampling current.
  • Real-time detection and calculation of load current report the test result to the main control module; power management module: detect external power insertion event and charger type, control battery charge and discharge function; main control module, integrate power consumption control module, judgment module, etc.
  • the function of the module is centralized supervisory control.
  • the main control module can exist in the form of integrated chip.
  • the main control module allocates system resources and performs real-time processing on the result of current detection feedback, and the processing result and system
  • the default maximum load operating current comparison is based on the comparison result to confirm whether to implement the power control strategy.
  • the power management module detects the 5V voltage input through the terminal device USB charging port, and determines whether the external power supply is inserted to confirm the power supply mode of the terminal system. If no external power is inserted, the battery supplies power to the load.
  • the current detecting module passes through a current detecting resistor connected in series between the power management module and the load module, or through a current detecting resistor serially connected between the battery power output terminal and the load module, and the sampling resistor two
  • the terminal voltage further calculates the load operating current (Iload), and the main control module detects whether the load operating current Iload exceeds the system default maximum operating current threshold (Imax). If the threshold Imax is reached, the main control module needs to reset or close the load module.
  • the terminal equipment ensures that the equipment will not be damaged or the crash occurs due to current limiting protection;
  • the power detecting module detects the battery power information. If the current power reaches the first preset threshold, the power consumption of the partial load module may be selected according to the current terminal service state, such as reducing the shielding brightness and turning off the display. Screen, etc., to increase the terminal life of the application service state of the terminal;
  • the external power supply preferentially supplies power to the load and starts the charging function;
  • the current detecting module passes through the current detecting resistor connected in series between the power management module and the load module, or is connected in series with the battery power output terminal.
  • the current detecting resistor between the load modules, the voltage across the sampling resistor and then the load working current Iload, the main control module determines whether the load working current Iload exceeds the system default maximum operating current threshold Imax, if the threshold value Imax is reached, the main control module Need To reset the load module or turn off the terminal device to ensure that the device will not be damaged;
  • the power detecting module detects the battery power. If the battery is discharged, it indicates that the current charger input power cannot meet the load power consumption, and the charger and the battery jointly output the power supply load, and the currently detected load working current is the battery output.
  • the main control module needs to start the power consumption control strategy to reduce the load working current and ensure The battery will not lose power, such as reducing the screen brightness, reducing the motor speed, etc., or turning off the display and indicator lights, reducing the download rate, and reducing the RF transmission power according to the application scenario.
  • the power detecting module after detecting the power consumption, the power detecting module further continues to detect the battery power. If the battery power returns to the third preset threshold, the main control module sequentially adjusts each load module to a default state. To ensure the normal use of the user.
  • a flowchart of a power consumption control method when there is an external electrical access terminal, when the terminal is powered by a battery plus a USB charger includes Step S701 to step S706:
  • step S701 an external power source is inserted to enable charging.
  • the power management module detects the external power insertion event according to the presence of the USB 5V charging port 5V voltage and reports it to the main control module.
  • Step S702 determining whether the load operating current exceeds a system default maximum operating current threshold. If yes, step S703 is performed, otherwise step S704 is performed.
  • the current detecting module detects the load working current in real time, and the detection result is reported to the main control module to determine whether the working current of the load exceeds the default maximum working current threshold of the system. If the threshold is exceeded, the main control module determines that the load is abnormal, and step S703 is performed; It can also detect the battery charge and discharge status and power information in real time.
  • Step S703 resetting the load module or turning off the terminal device. After this process, it is possible to return to step S702 to perform a current detection and determination process.
  • step S704 the battery power is detected.
  • Step S705 determining whether the main control module is connected to control power consumption. If yes, it indicates that the current state is in a discharged state, then step S706 is performed, otherwise step S702 is performed.
  • step S702 when it is not in the discharge state, the process returns to step S702.
  • the process may return to step S702.
  • the detection of step S702 may be real-time or may be according to a preset time. Therefore, the above process It is also possible to return to step S704.
  • Step S706 reducing power consumption of the terminal.
  • the means for reducing power consumption may include: the mobile terminal starts a large game while performing high-speed downloading under the condition that the signal is relatively poor, and the terminal can select to turn off the hardware acceleration and adjust the brightness of the display according to the application service state to reduce the load power consumption. It is also possible to reduce the download rate limit, RF transmission power, etc. for the game experience; or for data products, in the scenario where the multi-user access is downloaded and the usage environment signal is relatively poor, several measures may be required to implement together, such as closing the screen. Display and drop rate, or drop rate and power down, etc.
  • the main control module After reducing the power consumption, if the battery power returns to a certain threshold (the threshold can select the high battery threshold of the battery, such as 90% of the battery power), the main control module adjusts the RF transmission power according to the step backward according to the power reduction implementation strategy. , download rate limit, etc. to the default state.
  • the threshold can select the high battery threshold of the battery, such as 90% of the battery power
  • the embodiment of the invention further provides a computer readable storage medium, wherein the computer readable storage medium stores computer executable instructions, and the computer executable instructions are implemented to implement a power consumption control method.
  • the embodiment of the present invention can adjust the load working current in real time, so that the system does not shut down due to insufficient charging input capability, or the system crashes and the terminal is damaged due to the load current exceeding the default maximum load current of the system.
  • it can meet the power supply requirements of the system and protect the battery at the same time, without affecting the normal use of the user and improving the user experience.
  • each module/unit in the above embodiment may be implemented in the form of hardware, for example, by an integrated circuit to implement its corresponding function, It can be implemented in the form of a software function module, for example, by a processor executing a program/instruction stored in a memory to implement its corresponding function.
  • This application is not limited to any specific combination of hardware and software.
  • the above technical solution enables the terminal to be normally charged when the terminal is in the charging state and in the discharging state, thereby improving system performance and improving the user experience.

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Abstract

一种功耗的控制方法，所述方法包括：监测终端是否接入外接电源；在接入外接电源的情况下，检测电池电量是否在减少；在电池电量减少的情况下，降低终端的功耗。本申请通过检测终端的电池电量，在充电状态下电池还是处于放电状态时，则说明需要调整终端的功耗，即降低终端的功耗，降低功耗后，终端耗电降低，充电器输入能力大于负载电流时，终端会正常充电，提升了系统性能，解决了相关技术在终端充电的过程中，如果负载电流超过充电器输入能力的时候，电池会放电进行补偿，仍会出现终端关机的情况，严重影响用户的使用，用户体验较低的问题。

Description

一种功耗的控制方法、装置及移动终端 技术领域
本文涉及但不限于通讯领域，涉及一种功耗的控制方法、装置及移动终端。
背景技术
智能终端的发展，特别是数据类终端，伴随4G(第四代移动通信技术，the 4th Generation mobile communication technology)及WIFI(无线保真，WIreless-FIdelity)网络的发展，普及率越来越高，数据传输速率的提升，一定程度上消耗更多的电流，终端本身的功耗越来越大。
目前的4G终端产品，特别是基于4G网络的无线热点装置，一直采用通用电池加适配器的方案，在对终端模拟最大发功加最大速率传输条件下的功耗测试中，整机功耗接近或超过3瓦特(W)，这个数据在使用适配器供电的情况下能够满足系统供电需求(通常适配器配置为1安培(A)/5伏特(V)、1.5A/5V等)，但是，在目前很多车载或者连接PC(个人计算机，Personal Computer)使用时，由于其USB(通用串行总线，Universal Serial Bus)端口输出电流500毫安(mA)的限制，导致经常在充电使用的过程中仍会出现终端关机的情况，严重影响用户的使用。同时，在不使用充电器的时候，由于瞬间电流过大，可能将电池拉保护，造成死机等故障。
在终端充电的过程中，如果负载电流超过充电器输入能力的时候，会出现终端关机的情况，严重影响用户的使用，无法有效的保证终端在充电输入能力有限的情况下的正常工作及电池的安全使用，用户体验较低。
发明内容
以下是对本文详细描述的主题的概述。本概述并非是为了限制权利要求的保护范围。
本发明实施例提供了一种功耗的控制方法、装置及移动终端，解决了在 终端充电的过程中，如果负载电流超过充电器输入能力的时候，仍会出现终端关机的情况，提高了用户体验。
本发明实施例提供一种功耗的控制方法，包括：
监测终端是否接入外接电源；
在所述终端接入外接电源的情况下，检测所述终端的电池电量是否在减少；
在所述电池电量减少的情况下，降低所述终端的功耗。
可选地，在所述电池电量减少的情况下，降低所述终端的功耗包括：
在所述电池电量减少的情况下，在所述电池电量低于预设第一电量门限值时，发送降低所述终端功耗的控制信号；
根据所述控制信号控制所述终端功耗的一种或多种，其中，所述终端功耗至少包括以下之一：屏幕亮度、电机转速、下载速度、射频发射功率、显示屏及指示灯。
可选地，在所述电池电量减少的情况下，降低所述终端的功耗之后，所述方法还包括：
按照预定时间间隔检测所述电池电量是否达到预设第二电量门限值；
在所述电池电量达到所述预设第二电量门限值的情况下，恢复所述终端的正常功耗，以使所述终端正常工作。
可选地，监测终端是否存在外接电源接入终端之后，所述方法还包括：
在所述终端未接入外接电源的情况下，判断所述终端的电池电量是否低于预设第三电量门限值；
在所述电池电量低于所述预设第三电量门限值的情况下，降低所述终端的功耗。
可选地，所述方法还包括：
实时检测所述终端的负载工作电流，并判断所述负载工作电流是否超过预设最大工作电流门限值；
在所述负载工作电流超过所述预设最大工作电流门限值的情况下，对所 述终端进行复位操作或关闭所述终端。
本发明实施例还提供一种功耗的控制装置，包括：
监测模块，设置为监测终端是否接入外接电源；
检测模块，设置为在所述终端接入外接电源的情况下，检测所述终端的电池电量是否在减少；
功耗控制模块，设置为在所述电池电量减少的情况下，降低所述终端的功耗。
可选地，所述功耗控制模块包括：
发送单元，设置为在所述电池电量减少的情况下，在电池电量低于预设第一电量门限值时，发送降低所述终端功耗的控制信号；
功耗控制单元，设置为根据所述控制信号控制所述终端功耗的一种或多种，其中，所述终端功耗至少包括以下之一：屏幕亮度、电机转速、下载速度、射频发射功率、显示屏及指示灯。
可选地，
所述检测模块，还设置为在所述功耗控制模块降低所述终端的功耗之后，按照预定时间间隔检测所述电池电量是否达到预设第二电量门限值；
所述功耗控制模块，还设置为在所述电池电量达到所述预设第二电量门限值的情况下，恢复所述终端的正常功耗，以使所述终端正常工作。
可选地，所述装置还包括：
判断模块，设置为在所述终端未接入外接电源的情况下，判断所述终端的电池电量是否低于预设第三电量门限值；
所述功耗控制模块，还设置为在所述电池电量低于所述预设第三电量门限值的情况下，降低所述终端的功耗。
可选地，
所述检测模块，还设置为实时检测所述终端的负载工作电流，并判断所述负载工作电流是否超过预设最大工作电流门限值；
所述装置还包括：
保护模块，设置为在所述负载工作电流超过所述预设最大工作电流门限值的情况下，对所述终端进行复位操作或关闭所述终端。
本发明实施例还提供一种移动终端，包括上述任一项所述的功耗的控制装置。
本发明实施例还提供一种计算机可读存储介质，所述计算机可读存储介质中存储有计算机可执行指令，所述计算机可执行指令被执行时实现功耗的控制方法。
本发明实施例通过检测终端的电池电量，在充电状态下电池还是处于放电状态时，则说明需要调整终端的功耗，即降低终端的功耗，降低功耗后，终端耗电降低，充电器输入能力大于负载电流时，终端会正常充电，提升了系统性能，解决了相关技术在终端充电的过程中，如果负载电流超过充电器输入能力的时候，电池会放电进行补偿，仍会出现终端关机的情况，严重影响用户的使用，用户体验较低的问题。
在阅读并理解了附图和详细描述后，可以明白其它方面。
附图说明
图1是本发明实施例中功耗的控制方法的流程图；
图2是本发明实施例中功耗的控制装置的结构示意图；
图3是本发明实施例中功耗的控制装置功耗控制模块的结构示意图；
图4是本发明实施例中功耗的控制装置的一种结构示意图；
图5是本发明实施例中功耗的控制装置的又一种结构示意图；
图6是本发明可选实施例中移动终端的结构示意图；
图7是本发明可选实施例中为有外电接入终端时的功耗控制方法的流程图。
具体实施方式
为了解决相关技术在终端充电的过程中，如果负载电流超过充电器输入 能力的时候，电池会放电进行补偿，仍会出现终端关机的情况，严重影响用户的使用，用户体验较低的问题，本发明实施例提供了一种功耗的控制方法、装置及移动终端，以下结合附图以及实施例，对本发明实施例进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明实施例，并不限定本发明实施例。
本发明实施例提供一种功耗的控制方法，该方法的流程如图1所示，包括步骤S102至步骤S106：
步骤S102，监测终端是否接入外接电源；
步骤S104，在终端接入外接电源的情况下，检测终端的电池电量是否在减少，以确定电池是否处于放电状态；实现过程中，如果在充电状态下电池电量还是处于放电，则说明输入无法补给输出，即负载电流超过充电器输入能力，因此，需要对终端的功耗进行控制。
步骤S106，在电池电量减少的情况下，降低终端的功耗。
本发明实施例通过检测终端的电池电量，在充电状态下电池还是处于放电状态时，则说明需要调整终端的功耗，即降低终端的功耗，降低功耗后，终端耗电降低，充电器输入能力大于负载电流时，终端会正常充电，提升了系统性能，解决了相关技术在终端充电的过程中，如果负载电流超过充电器输入能力的时候，电池会放电进行补偿，仍会出现终端关机的情况，严重影响用户的使用，用户体验较低的问题。
可选地，在本发明实施例中，在电池电量减少(即处于放电状态)的情况下，降低终端的功耗包括以下过程：在电池电量减少的情况下，在电池电量低于预设第一电量门限值时，发送降低终端功耗的控制信号；根据控制信号控制终端功耗的一种或多种，从而实现控制终端的整体功耗。其中，预设第一电量门限值可以设置为电池总电量的20％，也可以设置为电池总电量的15％等，所述终端功耗至少包括以下之一：屏幕亮度、电机转速、下载速度、射频发射功率、显示屏及指示灯。
在电池电量减少的情况下，降低终端的功耗之后，需要判断充电是否达到一个可以正常使用终端的状态，则按照预定时间间隔检测电池电量是否达 到预设第二电量门限值；在电池电量达到预设第二电量门限值的情况下，恢复终端的正常功耗，以使终端正常工作。其中，预设第二电量门限值可以是一个较高的值，例如电池总电量的80％。
在监测是否存在外接电源接入终端之后，还存在另一种情况，即不存在外接电源接入终端的情况。在此种情况下，需要判断终端的电池电量是否低于预设第三电量门限值；在电池电量低于预设第三电量门限值的情况下，如果再继续按照当前功耗使用终端，可能很快就会导致关机，则需要降低终端的功耗。
在上述方法实现的过程中，还可以对终端采取保护措施，即无论是否处于充电状态，都可以实时检测终端的负载工作电流，并判断负载工作电流是否超过预设最大工作电流门限值；在负载工作电流超过预设最大工作电流门限值的情况下，对终端进行复位操作或关闭终端，以保护终端，防止其因负载工作电流过大而损坏终端设备。
本发明实施例还提供了一种功耗的控制装置，其结构示意如图2所示，包括：监测模块10，设置为监测终端是否接入外接电源；检测模块20，与监测模块10耦合，设置为在所述终端接入外接电源的情况下，检测电池电量是否在减少，以确定电池是否处于放电状态；功耗控制模块30，与检测模块20耦合，设置为在电池电量减少的情况下，降低终端的功耗。
可选地，在本发明实施例中，功耗控制模块30的结构示意可以如图3所示，包括：发送单元301，设置为在电池电量减少的情况下，在电池电量低于预设第一电量门限值时，发送降低终端功耗的控制信号；功耗控制单元302，与发送单元301耦合，设置为根据控制信号控制终端的部分功耗，以控制终端的整体功耗，其中，部分功耗至少包括以下之一：屏幕亮度、电机转速、下载速度、射频发射功率、显示屏及指示灯。
检测模块20，还设置为在功耗控制模块30降低终端的功耗之后，按照预定时间间隔检测电池电量是否达到预设第二电量门限值；功耗控制模块30，还设置为在电池电量达到预设第二电量门限值的情况下，恢复终端的正常功耗，以使终端正常工作。
可选地，上述装置可以如图4所示，还包括：判断模块40，与监测模块 10耦合，设置为在所述终端未接入外接电源的情况下，判断终端的电池电量是否低于预设第三电量门限值；功耗控制模块30，与判断模块40耦合，还设置为在电池电量低于预设第三电量门限值的情况下，降低终端的功耗。
可选地，上述装置还可以如图5所示，在图4的基础上，检测模块20，还设置为实时检测终端的负载工作电流，并判断负载工作电流是否超过预设最大工作电流门限值；所述装置还包括保护模块50，与检测模块20耦合，设置为在负载工作电流超过预设最大工作电流门限值的情况下，对终端进行复位操作或关闭终端。在实现时，此处的检测模块20的检测和判断功能也可以分成两个模块实现，此处不再说明。
本发明实施例还提供了一种移动终端，其包括上述的功耗的控制装置。本领域技术人员根据上述记载，知晓如何将上述的功耗的控制装置集成设置在移动终端中，此处不再赘述。
本发明记载的实施例通过实时的检测终端的负载功耗等数据，根据USB(Universal Serial Bus，通用串行总线)充电器输入限流数据及电池充放电信息综合判断，动态调整终端发射功率、传输速率等，进而实时的调整负载工作电流，在并行任务的同时，能使得不因为终端负载工作电流太大导致的系统关机或死机影响用户正常使用。
基于当前存在的问题，本发明实施例提出一种功耗控制方法及实现该方法的移动终端，其中，该移动终端中包括功耗控制装置。该移动终端通过检测负载电流，结合电池充放电信息判断当前适配器(充电器)是否能满足终端的负载需求，如果无法满足负载需求，启动功耗控制策略，以根据输入、输出功率差异决定具体的降功耗措施，比如，降低屏幕亮度、关闭显示、降低射频发射功率等。
通过本发明实施例能够简单方便的实现自适应功耗控制，避免在使用过程中即使插着充电器仍然出现关机的情况，保证终端设备的正常使用。
下面，结合附图对上述移动终端实现功耗控制方法的过程进行进一步说明。
图6为移动终端的结构示意图，其主要包括电池、充电模块、检测模块、 电源管理模块、主控模块及其他附属负载模块，例如显示屏、指示灯、WIFI模块、RF模块等；
电池可以是锂电池、锂聚合物电池以及其他智能终端使用的电池等；对于检测模块，本实施例中将其分为电量检测和电流检测两部分，电流检测模块通过采样电流检测电阻两端电压，实时检测计算负载工作电流，将检测结果上报给主控模块；电源管理模块：检测外电插入事件及充电器类型，控制电池充放电功能；主控模块，集成了功耗控制模块、判断模块等模块的功能，集中主管控制，该主控模块在实现时可以以集成芯片形式存在，主控模块对系统资源进行调配，以及对电流检测反馈的结果进行实时的处理，并将处理的结果与系统默认最大负载工作电流比较，根据比较结果确认是否实施功耗控制策略。
上述移动终端在实现功耗控制时，其电源管理模块通过终端设备USB充电端口检测5V电压输入，判断外接电源是否插入来确认终端系统的供电方式。若无外电插入，电池给负载供电。
在没有外电插入的情况下，电流检测模块通过串接在电源管理模块与负载模块之间的电流检测电阻，或者通过串接在电池电源输出端与负载模块之间的电流检测电阻，采样电阻两端电压进而计算负载工作电流(Iload)，主控模块检测负载工作电流Iload是否超过系统默认最大工作电流门限(Imax)，如果达到该门限值Imax，主控模块需要对负载模块进行复位或者关闭终端设备，保证设备不会损坏或者由于限流保护而出现的死机等情况；
可选地，在本实施例中，电量检测模块检测电池电量信息，如果当前电量达到第一预设门限，可根据当前终端服务状态选择调整部分负载模块的功耗，如降低屏蔽亮度、关闭显示屏等，以增加终端该应用服务状态的续航时间；
在有外电插入的情况下，外接电源优先给负载供电，同时启动充电功能；电流检测模块通过串接在电源管理模块与负载模块之间的电流检测电阻，或者通过串接在电池电源输出端与负载模块之间的电流检测电阻，采样电阻两端电压进而计算负载工作电流Iload，主控模块判断负载工作电流Iload是否超过系统默认最大工作电流门限Imax，如果达到该门限值Imax，主控模块需 要对负载模块进行复位或者关闭终端设备，保证设备不会损坏；
在本发明实施例中，电量检测模块检测电池电量，若电池在放电，说明当前充电器输入功率无法满足负载消耗功率，充电器和电池共同输出供电负载，当前检测的负载工作电流即为电池输出与充电器输入之和；当电池电量达到第二预设门限时(比如电池低电告警门限为电量的20％～30％)，主控模块需要启动功耗控制策略，降低负载工作电流，保证电池不会出现亏电，比如降低屏幕亮度、降低电机转速等，或者根据应用场景关闭显示屏及指示灯、降低下载速率、降低射频发射功率等。
可选地，在本发明实施例中，电量检测模块在降低功耗之后，还要继续检测电池电量，若电池电量恢复到第三预设门限，则主控模块依次调整各负载模块到默认状态，保证用户正常使用。
下文将结合附图7对本发明的实施例进行详细说明，如图7所示，为有外电接入终端时的功耗控制方法的流程图，当终端由电池加USB充电器供电时，其包括步骤S701至步骤S706：
步骤S701，外接电源插入，使能充电。电源管理模块根据USB 5V充电端口5V电压是否存在检测外电插入事件并上报主控模块。
步骤S702，判断负载工作电流是否超过系统默认最大工作电流门限。如果是，则执行步骤S703，否则执行步骤S704。
电流检测模块实时检测负载工作电流，检测结果上报给主控模块，判断该负载工作电流是否超出系统默认最大负载工作电流门限，如果超过该门限，主控模块判断负载工作异常，执行步骤S703；同时，也可以实时检测电池充放电状态及电量信息。
步骤S703，对负载模块进行复位或者关闭终端设备。此过程后，可以重新返回步骤S702，进行电流检测及判断过程。
步骤S704，检测电池电量。
步骤S705，判断主控模块是否接入控制功耗。如果是，则说明当前处于放电状态，则执行步骤S706，否则执行步骤S702。
本实施例中，在不处于放电状态时，返回步骤S702，在具体设计时，可以返回步骤S702，当然，步骤S702的检测可以是实时的，也可以是按照预设时间的，因此，上述过程也可以返回步骤S704。
步骤S706，降低终端的功耗。
降低功耗采取的手段可以包括：手机终端在信号比较差的条件下，进行高速下载的同时启动大型游戏，终端可以根据应用服务状态选择关闭硬件加速、调整显示屏亮度等来降低负载功耗，也可以为保证游戏体验降低下载速率限制、RF发射功率等；或者对于数据类产品，在多用户接入下载且使用环境信号比较差的场景下，也可能需要几个措施共同实施，比如关闭屏幕显示并且降速率，或者降速率并且降功率等。
在降低功耗之后，如果电池电量恢复到一定门限(该门限可以选择电池的高电量门限，如电池电量的90％)，主控模块根据降功耗实施策略依步进反向调整RF发射功率、下载速率限制等到默认状态。
本发明实施例还提供一种计算机可读存储介质，所述计算机可读存储介质中存储有计算机可执行指令，所述计算机可执行指令被执行时实现功耗的控制方法。
与相关技术相比，本发明实施例可以实时的调整负载工作电流，使得使用中不会因为充电输入能力不足导致的系统关机，或者负载电流超过系统默认最大负载电流而导致的系统死机、终端损坏等，能满足系统的供电需求、保护电池的同时，不会影响用户的正常使用，提升用户体验。
尽管为示例目的，已经公开了本发明的优选实施例，本领域的技术人员将意识到各种改进、增加和取代也是可能的，因此，本发明实施例的范围应当不限于上述实施例。
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(例如处理器)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/单元可以采用硬件的形式实现，例如通过集成电路来实现其相应功能，也 可以采用软件功能模块的形式实现，例如通过处理器执行存储于存储器中的程序/指令来实现其相应功能。本申请不限制于任何特定形式的硬件和软件的结合。本领域的普通技术人员应当理解，可以对本申请的技术方案进行修改或者等同替换，而不脱离本申请技术方案的精神和范围，均应涵盖在本申请的权利要求范围当中。
工业实用性
上述技术方案使得终端在充电状态并且处于放电状态时，终端仍然能正常充电，提升了系统性能，提高了用户体验。

Claims (11)

  1. 一种功耗的控制方法，包括：
    监测终端是否接入外接电源；
    在所述终端接入外接电源的情况下，检测所述终端的电池电量是否在减少；
    在所述电池电量减少的情况下，降低所述终端的功耗。
  2. 如权利要求1所述的控制方法，其中，在所述电池电量减少的情况下，降低所述终端的功耗包括：
    在所述电池电量减少的情况下，在所述电池电量低于预设第一电量门限值时，发送降低所述终端功耗的控制信号；
    根据所述控制信号控制所述终端功耗中的一种或多种，其中，所述终端功耗至少包括以下之一：屏幕亮度、电机转速、下载速度、射频发射功率、显示屏及指示灯。
  3. 如权利要求2所述的控制方法，在所述电池电量减少的情况下，降低所述终端的功耗之后，所述方法还包括：
    按照预定时间间隔检测所述电池电量是否达到预设第二电量门限值；
    在所述电池电量达到所述预设第二电量门限值的情况下，恢复所述终端的正常功耗，以使所述终端正常工作。
  4. 如权利要求1所述的控制方法，监测终端是否存在外接电源接入终端之后，所述方法还包括：
    在所述终端未接入外接电源的情况下，判断所述终端的电池电量是否低于预设第三电量门限值；
    在所述电池电量低于所述预设第三电量门限值的情况下，降低所述终端的功耗。
  5. 如权利要求1至4中任一项所述的控制方法，所述方法还包括：
    实时检测所述终端的负载工作电流，并判断所述负载工作电流是否超过预设最大工作电流门限值；
    在所述负载工作电流超过所述预设最大工作电流门限值的情况下，对所述终端进行复位操作或关闭所述终端。
  6. 一种功耗的控制装置，包括：
    监测模块，设置为监测终端是否接入外接电源；
    检测模块，设置为在所述终端接入外接电源的情况下，检测所述终端的电池电量是否在减少；
    功耗控制模块，设置为在所述电池电量减少的情况下，降低所述终端的功耗。
  7. 如权利要求6所述的控制装置，其中，所述功耗控制模块包括：
    发送单元，设置为在所述电池电量减少的情况下，在电池电量低于预设第一电量门限值时，发送降低所述终端功耗的控制信号；
    功耗控制单元，设置为根据所述控制信号控制所述终端功耗的一种或多种，其中，所述终端功耗至少包括以下之一：屏幕亮度、电机转速、下载速度、射频发射功率、显示屏及指示灯。
  8. 如权利要求7所述的控制装置：
    所述检测模块，还设置为在所述功耗控制模块降低所述终端的功耗之后，按照预定时间间隔检测所述电池电量是否达到预设第二电量门限值；
    所述功耗控制模块，还设置为在所述电池电量达到所述预设第二电量门限值的情况下，恢复所述终端的正常功耗，以使所述终端正常工作。
  9. 如权利要求6所述的控制装置，所述装置还包括：
    判断模块，设置为在所述终端未接入外接电源的情况下，判断所述终端的电池电量是否低于预设第三电量门限值；
    所述功耗控制模块，还设置为在所述电池电量低于所述预设第三电量门限值的情况下，降低所述终端的功耗。
  10. 如权利要求6至9中任一项所述的控制装置：
    所述检测模块，还设置为实时检测所述终端的负载工作电流，并判断所述负载工作电流是否超过预设最大工作电流门限值；
    所述装置还包括：
    保护模块，设置为在所述负载工作电流超过所述预设最大工作电流门限值的情况下，对所述终端进行复位操作或关闭所述终端。
  11. 一种移动终端，包括：权利要求6至10中任一项所述的功耗的控制装置。
PCT/CN2016/077879 2015-07-28 2016-03-30 一种功耗的控制方法、装置及移动终端 WO2016177214A1 (zh)

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