WO2016198003A1

WO2016198003A1 - Mobile terminal power source management method and device, and mobile terminal

Info

Publication number: WO2016198003A1
Application number: PCT/CN2016/086448
Authority: WO
Inventors: 任斌
Original assignee: 中兴通讯股份有限公司
Priority date: 2015-11-05
Filing date: 2016-06-20
Publication date: 2016-12-15
Also published as: CN106684938A

Abstract

A mobile terminal power source management method, comprising: when a battery is charged or discharged, detecting a voltage difference between one side of a switch circuit, which is connected to a charging chip and a mainboard, and the other side thereof connected to the positive electrode of the battery (101); and judging a charging or discharging state of a mobile terminal power source according to the detected voltage difference (102). By means of the technical solution, a user can promptly know the input and output of a mobile terminal power source and a state of the electric quantity of the mobile terminal power source, and can intuitively know how long the mobile terminal can be further used, and the mobile terminal can also rationally control the output of the power source thereof according to the state of the power source thereof.

Description

Mobile terminal power management method, device and mobile terminal

Technical field

This document relates to, but is not limited to, power detection technology, and relates to a mobile terminal power management method, apparatus, and mobile terminal.

Background technique

With the increase of mobile terminal functions and hardware devices, such as providing Internet access functions, video playback and other entertainment functions, increasing the screen of mobile terminals, etc., the power consumption of the mobile terminal is gradually accelerated. In this way, when using the mobile terminal, people need to charge the mobile terminal anytime and anywhere to maintain the normal operation of the mobile terminal.

Devices that can now charge mobile terminals have fixed power, mobile power, and devices with USB (Universal Serial Bus) interfaces, which can charge mobile terminals, and different charging devices to charge mobile terminals. The current provided will be different; for the convenience of charging, most mobile terminals use the same line for charging and data. For some application functions provided by mobile terminals, such as: playing games on large screens, watching videos, data transmission consumption The current tends to be large; in this case, when the mobile terminal is in use, when charging is required, the charging current may be smaller than the actual mobile terminal operating current consumption, and thus, the mobile terminal may be in use during use. Even when charging, there is a case where the power consumption is greater than the charging power, and then the mobile terminal automatically shuts down after the power is consumed. At this time, if the mobile terminal is charged, the mobile terminal will restart, but if the input power is insufficient to complete the power required for the entire booting operation and then shut down again, then it will continue to cycle until the power is gradually recovered.

Summary of the invention

The following is an overview of the topics detailed in this document. This Summary is not intended to limit the scope of the claims.

Embodiments of the present invention provide a mobile terminal power management method, apparatus, and mobile terminal, which can implement good control of a mobile terminal power source that is charged during use.

The embodiment of the invention provides a mobile terminal power management method, and the method includes:

When the battery is charged and discharged, detecting a voltage difference between a side of the switch circuit connecting the charging chip and the main board and a side connecting the positive electrode of the battery;

The charge and discharge state of the power supply of the mobile terminal is judged based on the detected differential pressure.

Optionally, the determining, by the charging and discharging state of the power supply of the mobile terminal, that when the voltage difference between the side connecting the charging chip and the main board and the side connecting the positive pole of the battery is greater than zero, the power supply of the mobile terminal is in a charging state; The power supply of the mobile terminal is in a discharged state when a voltage difference between a side to which the charging chip and the main board is connected and a side to which the positive electrode of the battery is connected is less than or equal to zero.

Optionally, the method further includes:

When the power of the mobile terminal is in a discharged state, the mobile terminal power supply is subjected to control processing.

Optionally, the method further includes: setting a first threshold and a second threshold of the power state of the mobile terminal power;

When the power of the mobile terminal is in a discharged state, performing control processing on the power of the mobile terminal includes:

Detecting a power state value of the mobile terminal;

When the mobile terminal power state value is less than the first threshold, performing power reduction processing on the mobile terminal power supply;

And controlling the power consumption of the mobile terminal when the mobile terminal power state value is greater than a first threshold, and the mobile terminal power state value is less than or equal to a second threshold.

Optionally, the method further includes:

The charging and discharging state of the power supply of the mobile terminal is output.

The present invention also provides a mobile terminal power management apparatus, the apparatus comprising:

The power detecting unit is configured to detect a voltage difference between a side of the switch circuit connected to the charging chip and the main board and a side connected to the positive electrode of the battery when the battery is charged and discharged;

The state judging unit is configured to judge the state of charge and discharge of the power of the mobile terminal based on the detected voltage difference.

Optionally, the state determining unit is configured to: when the voltage difference between the side connecting the charging chip and the main board and the side connecting the positive electrode of the battery is greater than zero, the power supply of the mobile terminal is in a charging state; The voltage difference between one side of the main board and the side connected to the positive pole of the battery is less than or equal to zero, and the power supply of the mobile terminal is in a discharged state.

Optionally, the device further includes:

The power control unit is configured to perform control processing on the power of the mobile terminal when the power of the mobile terminal is in a discharged state.

Optionally, the power detecting unit is further configured to set a first threshold and a second threshold of the power state of the mobile terminal power;

The power control unit is configured to: detect a power state state value of the mobile terminal; and perform power reduction processing on the power of the mobile terminal when the power state value of the mobile terminal is less than the first threshold; When the power state value is greater than the first threshold, and the mobile terminal power state value is less than or equal to the second threshold, the power consumption of the mobile terminal is controlled.

Optionally, the device further includes:

The output unit is configured to output a charge and discharge state of the power of the mobile terminal.

The embodiment of the present invention further provides a mobile terminal, where the mobile terminal includes any of the mobile terminal power management devices described above.

The embodiment of the present invention further provides a computer readable storage medium, where the computer readable storage medium stores computer executable instructions, and when the computer executable instructions are executed, implements a mobile terminal power management method.

The method and device for managing power of a mobile terminal and the mobile terminal provided by the embodiment of the present invention, when the battery is charged and discharged, detecting a voltage difference between a side of the switch circuit connecting the charging chip and the main board and a side connecting the positive electrode of the battery; The detected differential pressure determines the charge and discharge state of the mobile terminal power supply; and when it is determined that the mobile terminal power supply is in the discharged state, the mobile terminal power supply is subjected to control processing. The above technical solution enables the user to know the input and output of the mobile terminal power and the state of the power supply of the mobile terminal in time, and can intuitively understand the time that the mobile terminal can still be used, and the mobile terminal can also reasonably control the power supply according to the state of the power source. Output. Other aspects will be apparent upon reading and understanding the drawings and detailed description.

DRAWINGS

1 is a schematic flowchart of an implementation process of a power management method for a mobile terminal according to Embodiment 1 of the present invention;

2 is a schematic diagram of a monitoring point of a power supply of a mobile terminal according to Embodiment 2 of the present invention;

3 is a schematic flowchart of an implementation process of a power management method for a mobile terminal according to Embodiment 2 of the present invention;

4 is a schematic diagram of a data detection process of a power supply of a mobile terminal according to Embodiment 2 of the present invention;

5 is a schematic diagram of a control operation process of a system according to a state of a power source of a mobile terminal according to Embodiment 2 of the present invention;

FIG. 6 is a schematic structural diagram of a structure of a power management device for a mobile terminal according to Embodiment 3 of the present invention.

detailed description

The present application will be further described in detail below with reference to the accompanying drawings and embodiments.

Embodiment 1

FIG. 1 is a schematic flowchart of a method for implementing a power management method for a mobile terminal according to an embodiment of the present invention. As shown in FIG. 1 , a power management method for a mobile terminal provided in this embodiment includes:

Step 101, when the battery is charged and discharged, detecting a voltage difference between the charging circuit and the side of the main board and the positive side of the connected battery;

Step 102: Determine a charging and discharging state of the power supply of the mobile terminal according to the detected pressure difference;

Optionally, the determining the charging and discharging state of the power supply of the mobile terminal comprises: when the voltage difference between the side connecting the charging chip and the main board and the side connecting the positive pole of the battery is greater than zero, the power supply of the mobile terminal is in a charging state; When the voltage difference between the side of the charging chip and the main board and the side connecting the positive electrode of the battery is less than or equal to zero, the power supply of the mobile terminal is in a discharged state.

Optionally, the method further includes:

When the power of the mobile terminal is in a discharging state, the mobile terminal power supply is controlled.

In this embodiment, ten percent of the power state of the mobile terminal power source may be set as a first threshold. The value and the twenty percent of the state of the mobile terminal power state are a second threshold;

Optionally, when the power of the mobile terminal is in a discharged state, performing control processing on the power of the mobile terminal includes:

Detecting a power state value of the mobile terminal;

In this embodiment, controlling the power consumption of the mobile terminal may be to disable a part of the function of the mobile terminal, or set a wireless network card (WIFI) to a single input single output (SISO) mode.

Optionally, the method further includes: outputting a charge and discharge state of the power of the mobile terminal.

In order to collect the voltage value, the method further includes: setting the acquisition time; correspondingly, periodically collecting the voltage value of the point between the charging chip and the battery and the voltage value between the motherboard and the battery according to the set acquisition time. .

Embodiment 2

In this embodiment, the mobile terminal power management method is introduced in conjunction with the WIFI function of the mobile terminal. To facilitate the introduction of the embodiment, the detection point of the mobile terminal power supply is briefly introduced. As shown in FIG. 2, the mobile terminal power supply detection is performed. The point A is located between the charging chip and the battery, the detection point B of the mobile terminal power is located between the main board and the battery, and the switching circuit between the detecting points A and B includes a diode.

The mobile terminal power management method is briefly introduced in conjunction with FIG. 2 and FIG. 3, and the mobile terminal power management method includes:

Step 301: When the external power supply (VCC, Volt Current Condenser) is connected to the mobile terminal charging chip, the central processing unit (CPU, Central Processing Unit) of the mobile terminal can detect that there is external through the General Purpose Input Output (GPIO). Charging power connection;

Step 302: separately collect one end of the diode anode connected to the charging chip and two poles connected to the battery The voltage at one end of the anode of the tube can determine the state of charge and discharge of the battery according to the voltage of the collected diode;

Specifically, as shown in FIG. 2, if the voltage at point A is higher than point B, the battery is in a charging state;

Step 303: Control the operating system of the mobile terminal according to the state of charge and discharge of the battery, and prompt the user.

Specifically, in the process of determining and processing each state of the charging process, step 301 is to connect an external charging power source, which may be: a personal computer (PC) machine with a universal serial interface (USB) or a notebook. 5V power supply provided by various power adapters; after the external charging power supply is connected to the charging chip, the GPIO connected to the input end of the charging chip is pulled to a high level, and the CPU of the mobile terminal can detect the PC or the notebook as an external charging power source through the GPIO. Access. At the same time, the charging chip output current of the mobile terminal supplies power to the motherboard and the battery. When the power consumption current of the motherboard is less than the output current of the charging chip, the battery will be in a charging state, and the voltage at point B will be higher than point A; the current consumed by the motherboard is greater than the charging current. When the current is output from the chip, the battery will also output a part of the current, which is added together with the output current of the charging chip to meet the power consumption of the motherboard. The battery will be in a discharging state, and the voltage at point A will be higher than point B.

The analog-to-digital (AD) conversion chip connected to the two points A and B collects the voltage, and the CPU obtains the voltage values of the two points A and B through the AD conversion chip, and further determines the charge and discharge state of the battery according to the voltage values of the two points. And according to the state of charge and battery power, the corresponding control operation.

The following describes the control of the mobile terminal according to the state of charge of the mobile terminal and the state of the battery state of the mobile terminal.

In this embodiment, the mobile terminal is a Long Term Evolution (LTE) mobile broadband router device, and provides an access point (AP, Access Point) function of the WIFI access, with a liquid crystal display (LCD) display. The screen can display system information on the screen. In this embodiment, only the charging state is required. Moreover, the device has a dial switch, that is, physically has two states of switch: ON and OFF. 4 is a schematic diagram of a data detection process of a power supply of a mobile terminal according to an embodiment of the present invention. FIG. 5 is a schematic diagram of a control process of a mobile terminal according to a state of a power supply of a mobile terminal according to an embodiment of the present invention.

As shown in FIG. 4, the data detection process of the mobile terminal power supply includes:

Step 401, the software detection module starts a timer, wherein the period of the timer may be one second;

Step 402, reading the level of the GPIO and reading the battery power, when the battery power changes, transmitting the new power to the mobile terminal;

Step 403, when the GPIO level is high, send a message to the software control module to insert the charger, step 404 is performed, when the GPIO level is low, return to step 401;

Step 404, restart a timer to check the voltages of the two points A and B, and calculate the difference between the two voltages;

Step 405: Compare the magnitudes of the voltage values of points A and B. If B is greater than A, perform step 407 to send a message of battery charging to the software control module, and then perform step 401. If A is greater than B, execute step 406 to the software. The control module sends a message that the battery is discharged, and then step 401 is performed.

As shown in FIG. 5, the operation process of controlling the mobile terminal according to the state of the power of the mobile terminal includes:

Step 501: The software control module receives a message for connecting to the charging power source.

Step 502, analyzing the status of the data;

Here, the data refers to an input voltage and an output voltage of a power supply of the mobile terminal;

Step 503, it is determined whether it is a false shutdown state, if it is a false shutdown state, step 504 is performed; if it is not a false shutdown state, step 505 is performed;

Step 504, it is determined whether the battery power is less than 20% of the battery content, if it is less than 20% of the battery content, then return to step 501, if it is higher than or equal to 20% of the battery content, step 506 is performed;

Step 505, it is determined whether the power is connected, if the power is connected, step 507 is performed, if the power is not connected, then return to step 501;

Step 506, when the battery power is not lower than 20% of the battery content, turn on all system functions, return to step 501;

Step 507, in the state of connecting the power source, determining whether it is in a charging state, if it is charging State, step 508 is performed, if it is discharged state, step 509 is performed;

Step 508, displaying a charging icon, ending the current processing flow;

Step 509, displaying a flashing battery icon;

Step 510, it is determined whether the battery power is less than 20% of the battery content, if not less than 20% of the battery content, then return to step 501, if it is less than 20% of the battery content, step 511 is performed;

Step 511, determining the battery power, when the battery power is less than 10% of the battery content and greater than 0, step 512 is performed, when the battery power is equal to 0, step 513 is performed;

Step 512, setting WIFI (Wireless FIdelity) to SISO ((Simple Input Simple Output) mode, then return to step 501;

In step 513, all functions are turned off, the mobile terminal enters a sleep state, and then returns to step 501.

In this embodiment, the battery state can be displayed on the LCD (Liquid Crystal Display) according to the state of charge and discharge of the battery. If it is in the charging state, the icon is a scrolling charging animation. If the charger is connected and the battery is discharged, the display is green. Blinking state, prompting the user that although the charging power is connected, it is not charged.

When the battery is discharged, even if the charging power is connected, as long as the power is less than 10%, the software control module modifies the SIFI mode from the MIMO (Multiple-Input Multiple-Output) mode to save power.

When the battery power consumption reaches 0%, the software control module turns off all functions of the system, but does not shut down the system. At this time, the current consumed by the motherboard is very small, far less than the output current of the charging chip, so the battery will be charged at this time. Only the software detection module and the software control module are running, and the mobile terminal is in an idle state and charged state. During the charging process, when the battery reaches 20%, the mobile terminal can turn on all normal functions again.

The mobile terminal power management method provided by the embodiment of the invention enables the user to know the input and output of the mobile terminal power and the state of the power supply of the mobile terminal in time, and can intuitively understand the available time of the mobile terminal, and the mobile terminal can also be based on the state of the power source. Reasonably control the output of its own power supply.

Embodiment 3

The embodiment of the invention further provides a mobile terminal power management device. As shown in FIG. 6, the device includes:

The power detecting unit 601 is configured to detect a voltage difference between the charging chip and the side of the main board and the side connecting the positive pole of the battery when the battery is charged and discharged;

The state judging unit 602 is configured to judge the state of charge and discharge of the power source of the mobile terminal based on the detected voltage difference.

Optionally, the device further includes:

Optionally, the power detecting unit 601 is specifically configured to connect a charging chip and a side of the main board to a side opposite to a positive side of the battery to be greater than zero, and the mobile terminal power is in a charging state; otherwise, the mobile terminal power is in a Discharge status.

Optionally, the power detecting unit 601 is further configured to set a first threshold and a second threshold of the power state of the mobile terminal; the power regulating unit is configured to: detect a power state value of the mobile terminal; When the mobile terminal power state value is less than the first threshold, performing power reduction processing on the mobile terminal power; the mobile terminal power state value is greater than a first threshold and the mobile terminal power state value is less than When the second threshold is equal to or equal to, the power consumption of the mobile terminal is controlled.

Optionally, the device further includes:

In the embodiment of the present invention, the power detecting unit is in the switching circuit between the charging chip and the main board and the battery, and at any position on the side where the switching circuit is connected to the charging chip and the main board, and the sampling point is connected to the battery at any position on the side of the battery. Then, the state judging unit respectively collects voltage values of different collection points, and then judges the charging and discharging state of the mobile terminal power source according to the collected voltage values.

Based on the foregoing mobile terminal power management device, the embodiment of the present invention further provides a mobile terminal, which may include any of the foregoing mobile terminal power management devices.

In addition, in practical applications, the power detecting unit 601, the state determining unit 602, the power regulating unit, and the output unit may each be a CPU or a microprocessor (Micro Processor) located in the terminal. Unit, MPU), Digital Signal Processor (DSP), or Field Programmable Gate Array (FPGA).

The mobile terminal power management method, device and mobile terminal provided by the embodiments of the present invention enable the user to know the input and output of the mobile terminal power and the power consumption of the mobile terminal in time by judging the charging and discharging state of the mobile terminal during the charging process of the mobile terminal. The state can intuitively understand the time that the mobile terminal can also be used, and the mobile terminal can also reasonably control the output of its own power according to the state of its own power source.

One of ordinary skill in the art will appreciate that all or a portion of the above steps may be performed by a program to instruct related hardware, such as a processor, which may be stored in a computer readable storage medium, such as a read only memory, disk or optical disk. Wait. Alternatively, all or part of the steps of the above embodiments may also be implemented using one or more integrated circuits. Correspondingly, each module/unit in the above embodiment may be implemented in the form of hardware, for example, by implementing an integrated circuit to implement its corresponding function, or may be implemented in the form of a software function module, for example, executing a program stored in the memory by a processor. / instruction to achieve its corresponding function. This application is not limited to any specific combination of hardware and software. A person skilled in the art should understand that the technical solutions of the present application can be modified or equivalent, without departing from the spirit and scope of the technical solutions of the present application, and should be included in the scope of the claims of the present application.

Industrial applicability

The above technical solution enables the user to know the input and output of the mobile terminal power and the state of the power supply of the mobile terminal in time, and can intuitively understand the time that the mobile terminal can still be used, and the mobile terminal can also reasonably control the power supply according to the state of the power source. Output.

Claims

A mobile terminal power management method, the method comprising:

When the battery is charged and discharged, detecting a voltage difference between a side of the switch circuit connecting the charging chip and the main board and a side connecting the positive electrode of the battery;

The charge and discharge state of the power supply of the mobile terminal is judged based on the detected differential pressure.
The method according to claim 1, wherein said determining a state of charge and discharge of the power of the mobile terminal comprises: when a pressure difference between a side connecting the charging chip and the main board and a side connecting the positive electrode of the battery is greater than zero, The mobile terminal power source is in a charging state; when the voltage difference between the side connecting the charging chip and the main board and the side connecting the battery positive pole is less than or equal to zero, the mobile terminal power source is in a discharging state.
The method of claim 1 further comprising:

When the power of the mobile terminal is in a discharged state, the mobile terminal power supply is subjected to control processing.
The method according to claim 1, 2 or 3, further comprising: setting a first threshold and a second threshold of the power state of the mobile terminal power;

When the power of the mobile terminal is in a discharged state, performing control processing on the power of the mobile terminal includes:

Detecting a power state value of the mobile terminal;

When the mobile terminal power state value is less than the first threshold, performing power reduction processing on the mobile terminal power supply;

And controlling the power consumption of the mobile terminal when the mobile terminal power state value is greater than a first threshold, and the mobile terminal power state value is less than or equal to a second threshold.
The method of claim 4, further comprising:

The charging and discharging state of the power supply of the mobile terminal is output.
A mobile terminal power management device, the device comprising:

The power detecting unit is configured to detect a voltage difference between a side of the switch circuit connected to the charging chip and the main board and a side connected to the positive electrode of the battery when the battery is charged and discharged;

The state judging unit is configured to judge the state of charge and discharge of the power of the mobile terminal based on the detected voltage difference.
The device of claim 6 wherein:

The state judging unit is configured to: when the voltage difference between the side connecting the charging chip and the main board and the side connecting the positive electrode of the battery is greater than zero, the power supply of the mobile terminal is in a charging state; on the side connecting the charging chip and the main board The voltage difference between the side connected to the positive side of the battery is less than or equal to zero, and the mobile terminal power supply is in a discharged state.
The apparatus of claim 6 further comprising:

The power control unit is configured to perform control processing on the power of the mobile terminal when the power of the mobile terminal is in a discharged state.
A device according to claim 6, 7 or 8,

The power detecting unit is further configured to set a first threshold and a second threshold of the power state of the mobile terminal power;

The power control unit is configured to: detect a power state state value of the mobile terminal; and perform power reduction processing on the power of the mobile terminal when the power state value of the mobile terminal is less than the first threshold; When the power state value is greater than the first threshold, and the mobile terminal power state value is less than or equal to the second threshold, the power consumption of the mobile terminal is controlled.
The apparatus of claim 9 further comprising:

The output unit is configured to output a charge and discharge state of the power of the mobile terminal.
A mobile terminal comprising the mobile terminal power management device according to any one of claims 6 to 10.