CN110176643B - Charging method, power supply management equipment and terminal equipment - Google Patents
Charging method, power supply management equipment and terminal equipment Download PDFInfo
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- CN110176643B CN110176643B CN201910399136.7A CN201910399136A CN110176643B CN 110176643 B CN110176643 B CN 110176643B CN 201910399136 A CN201910399136 A CN 201910399136A CN 110176643 B CN110176643 B CN 110176643B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/443—Methods for charging or discharging in response to temperature
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a charging method, a power supply method, power management equipment and terminal equipment, and relates to the technical field of battery management, wherein the method comprises the following steps: acquiring a first electric quantity of a first battery; charging the first battery when the first electric quantity is less than or equal to a first electric quantity threshold value; when the first electric quantity is larger than the first electric quantity threshold value, acquiring a second electric quantity of a second battery; charging the second battery when the second amount of power is less than or equal to a second amount of power threshold; and when the second electric quantity is larger than the second electric quantity threshold value, continuing to charge the first battery.
Description
Technical Field
The invention relates to the technical field of battery management, in particular to a charging method, a power supply method, power supply management equipment and terminal equipment.
Background
With the continuous improvement of living standard, people not only have increased requirements on the internal function and the external screen of the portable mobile terminal, but also have gradually increased requirements on the originality of the interactive operation between the function and the screen, in recent years, the terminal screen becomes larger, but the mere enlargement of the area is not enough to attract the eyes of people, and meanwhile, the portable mobile terminal is limited by the volume capacity of the portable mobile terminal, and the expansion of a single screen is not a sensible proposition. Therefore, the requirement of expanding a single screen into two screens is met, and the two screens are more flexible than the single screen in the aspects of extensibility and rich diversity. At this time, a problem to be emphasized is that the power consumption of a mobile terminal product with two screens is also increased correspondingly, and whether the most intuitive usage presentation of the user experience, i.e. the standby time, can be increased synchronously becomes a great concern.
In the prior art, when two batteries are arranged inside a mobile terminal and respectively correspond to two screens, a dual-power manager respectively manages the two batteries. However, the power manager is implemented by an analog circuit, and occupies a large space in the mobile terminal, which results in that the mobile terminal cannot be further miniaturized and the cost is increased. Therefore, when a plurality of batteries exist in the mobile terminal, how to manage the charging of the plurality of batteries through only one power manager is an urgent problem to be solved.
Disclosure of Invention
The embodiment of the application provides a charging method, a power supply method, power management equipment and terminal equipment, and solves the problem of how to manage charging of a plurality of batteries through only one power manager.
The embodiment of the application provides a charging method, which specifically comprises the following steps:
acquiring a first electric quantity of a first battery;
charging the first battery when the first electric quantity is less than or equal to a first electric quantity threshold value;
when the first electric quantity is larger than the first electric quantity threshold value, acquiring a second electric quantity of a second battery;
charging the second battery when the second amount of power is less than or equal to a second amount of power threshold;
and when the second electric quantity is larger than the second electric quantity threshold value, continuing to charge the first battery.
A possible implementation manner, further including, after the charging the first battery or the continuing to charge the first battery, the following: when the first electric quantity is smaller than a third electric quantity threshold value, acquiring a first temperature of the first battery at intervals of a first time, wherein the third electric quantity threshold value is larger than the first electric quantity threshold value;
for the first temperature obtained each time, when the first temperature is greater than the first temperature threshold value and the second electric quantity is less than the second electric quantity threshold value, stopping charging the first battery and charging the second battery;
and for the first temperature obtained each time, when the first temperature is greater than the first temperature threshold value and when the second electric quantity is greater than the second electric quantity threshold value, continuing to charge the first battery.
In one possible implementation, when the first power is greater than or equal to the third power threshold, the first battery is stopped from being charged.
A possible implementation manner, after the charging of the second battery, further includes:
when the second electric quantity of the second battery is smaller than a fourth electric quantity threshold value, acquiring a second temperature of the second battery every second time, wherein the fourth electric quantity threshold value is larger than the second electric quantity threshold value;
for the second temperature obtained each time, when the second temperature is smaller than or equal to a second temperature threshold, continuing to charge the second battery;
and for the second temperature acquired each time, when the second temperature is greater than the second temperature threshold, stopping charging the second battery and charging the first battery.
In one possible implementation, when the second power is greater than or equal to the fourth power threshold, the second battery is stopped from being charged.
A power management device, one possible implementation, comprising a power manager and control circuitry, the power manager being configured to perform any one of the methods provided above;
when any one of the methods provided above is performed, the power manager controls the first battery or the second battery to charge through the control circuit.
The embodiment of the application provides a power supply method, which specifically comprises the following steps:
acquiring a first electric quantity of a first battery of the terminal equipment;
when the first electric quantity is larger than or equal to a fifth electric quantity threshold value, the first battery supplies power to a main screen of the terminal equipment;
when the first electric quantity is smaller than the fifth electric quantity threshold value, acquiring a second electric quantity of a second battery of the terminal equipment;
and when the second electric quantity is greater than the first electric quantity, the second battery supplies power to the main screen.
One possible implementation further includes:
and when the second electric quantity is less than or equal to the first electric quantity, the first battery supplies power to the main screen, and the second battery supplies power to the auxiliary screen of the terminal equipment.
A terminal device, a possible implementation manner, includes a power manager, a control circuit, a first battery, a second battery, a main screen and at least one auxiliary screen, wherein the power manager is used for executing any one of the methods provided by the above power supply method;
when any one of the above power supply methods is executed, the power manager controls the first battery to supply power to the main screen and controls the second battery to supply power to the at least one auxiliary screen through the control circuit.
An apparatus is provided in an embodiment of the present application and includes at least one processor coupled with at least one memory.
The at least one processor is configured to execute the computer program or instructions stored in the at least one memory to cause the apparatus to perform the method of any of the above possible designs.
Embodiments of the present application provide a computer-readable storage medium, which stores computer-readable instructions, and when the computer-readable instructions are read and executed by a computer, the computer-readable instructions cause the computer to perform the method in any one of the above possible designs.
The embodiments of the present application provide a computer program product, which when read and executed by a computer, causes the computer to perform the method of any one of the above possible designs.
The embodiment of the present application provides a chip, where the chip is connected to a memory, and is used to read and execute a software program stored in the memory, so as to implement the method in any one of the above possible designs.
The charging method and the charging device provided by the invention have the following beneficial effects: the charging mode of the first battery and the second battery is managed through a power manager and a control circuit, so that the charging time can be optimized, and the temperature of the batteries is also taken into consideration from the characteristics of the batteries; and a power supply manager is combined, so that the charging process can be comprehensively, efficiently and reasonably ensured, and the design cost can be correspondingly saved.
Drawings
Fig. 1 is a schematic diagram of a power management architecture according to an embodiment of the present application;
fig. 2 is a schematic diagram of a terminal device provided in an embodiment of the present application;
fig. 3 is a schematic flowchart of a charging method according to an embodiment of the present disclosure;
fig. 4 is a schematic flow chart of a power supply method according to an embodiment of the present application.
Detailed Description
In order to better understand the technical solutions, the technical solutions will be described in detail below with reference to the drawings and the specific embodiments of the specification, and it should be understood that the specific features in the embodiments and examples of the present application are detailed descriptions of the technical solutions of the present application, but not limitations of the technical solutions of the present application, and the technical features in the embodiments and examples of the present application may be combined with each other without conflict.
Fig. 1 is a schematic diagram of a power management architecture according to an embodiment of the present invention. The power management architecture shown in fig. 1 includes a charger 100, a power manager 101, control circuitry 102, a first battery 103, a second battery 105, a primary screen 104, and at least one secondary screen 106. In fig. 1, only one auxiliary screen is taken as an example for description, and other cases are not described in detail.
The charger 100 is connected to the power manager 101, and is used for keeping the power manager 101 connected to the power source by the charger 100 during charging, and the charger 100 is an object independent of the power management architecture.
The power manager 101 is connected to the control circuit 102, the main screen 104 and the auxiliary screen 106, and is used for controlling the charging of the first battery 103 or the second battery 105 through the control circuit 102 during charging; and when power is supplied, the control circuit 102 controls to select the first battery 103 or the second battery 105 to supply power to the main screen 104.
The control circuit 102 is connected to the power manager 101, the first battery 103 and the second battery 105, and is configured to perform a switching operation between the first battery 103 and the second battery 105 if the battery is in a charging state after receiving an instruction from the power manager 101; if the power supply state is set, switching operation between the power supply of the first battery 103 to the main screen 104 and the power supply of the second battery 105 to the main screen 104 is performed.
The power manager 101 controls a specific process of charging the first battery 103 or the second battery 105 through the control circuit 102, which will be described in detail below.
In the embodiment of the present invention, a terminal device 200 is taken as an example, as shown in fig. 2, a schematic diagram of the terminal device provided in the embodiment of the present invention includes a main screen 201, an auxiliary screen 202, a first battery 203, and a second battery 204, where in a normal state, the first battery supplies power to the main screen 201, and the second battery supplies power to the auxiliary screen 202. The specific charging and power supplying process of the terminal device 200 will be described in detail below.
Referring to fig. 3, a specific charging process is a schematic flow chart of a charging method provided in an embodiment of the present application. The execution subject of the method shown in fig. 3 may be a power manager, and the method includes:
when the charger is plugged into the charging interface of the terminal device 200 to prepare for charging, since there are two batteries, the first battery and the second battery, in the terminal device, which battery is preferentially selected to be connected with the charger for charging, the determination result can be obtained according to a certain manner, and the specific determination process is described as step 300-302.
Step 300: a first amount of power of a first battery is obtained.
Step 301: judging whether the first electric quantity is smaller than or equal to a first electric quantity threshold value, and turning to step 302 when the first electric quantity is smaller than or equal to the first electric quantity threshold value; when the first power is greater than the first power threshold, go to step 307.
For example, when the first electric quantity of the first battery is about 80%, the first battery enters a constant voltage stage, if the charging state is kept, the charging duration is increased due to the fact that the current is in a descending mode, and at this time, the first electric quantity threshold is set to be 80%, so that the charging duration in the stage can be reduced.
Step 302: the power manager may control charging the first battery via the control circuit when the first amount of power is less than or equal to a first power threshold, or when the second amount of power is greater than a second power threshold.
After the charger selects the first battery to charge, the first battery starts to charge, but the charging state does not continue all the time, and a process of determining whether the charging is finished is required, and the determination result is obtained according to a certain manner, and the specific determination process is described as step 303 and step 304.
Step 303: when the first power is greater than or equal to the third power threshold, go to step 304; when the first power level is less than the third power level threshold, go to step 305, where the third power level threshold is greater than the first power level threshold.
The value of the third electric quantity threshold may be limited according to an actual situation, for example, the value of the third electric quantity threshold may be set to 100%, and whether to continue charging is determined according to a result that the threshold is larger or smaller.
Step 304: when the first electric quantity is larger than or equal to the third electric quantity threshold value, the power supply manager controls to stop charging the first battery through the control circuit.
When the first battery is continuously charged, the temperature of the battery is gradually increased due to the charging process, but according to the characteristics of the battery, if the temperature of the battery is too high, large current charging is not allowed, so it is necessary to determine the value of the first temperature of the first battery while the first battery is being charged, and the specific determination process is described as step 305 and step 306.
Step 305: and when the first electric quantity is smaller than the third electric quantity threshold value, the first battery is continuously charged, and the power supply manager acquires the first temperature of the first battery at intervals of a first time length.
The first duration is a certain period, and the value of the period may be limited according to an actual situation, for example, may be set to 5 seconds, so as to determine whether to acquire the first temperature of the first battery.
Step 306: while maintaining the first battery charging state, for the first temperature obtained each time, when the first temperature is greater than a first temperature threshold, go to step 307; when the first temperature is less than or equal to the first temperature threshold, go to step 302.
The value of the first temperature threshold may be limited according to actual conditions, for example, the value of the first temperature threshold may be set to 45 °, because the battery temperature is higher than 45 ° according to the characteristics of the battery itself, and the large current is not allowed to be charged. After the step 306 goes to the step 307, if the step 308 determines that the second power is less than or equal to the second power threshold, the power manager controls the control circuit to stop charging the first battery and switch to charging the second battery.
When the first power is greater than the first power threshold or when the first temperature is greater than the first temperature threshold, the charger selects which battery is to be charged preferentially at this time, and needs to perform the comprehensive determination in combination with the second power of the second battery, and the specific determination process is described as step 307 and step 309.
Step 307: when the first electric quantity is larger than the first electric quantity threshold value or when the first temperature is larger than the first temperature threshold value, the power supply manager acquires the second electric quantity of the second battery.
Step 308: when the second electric quantity is less than or equal to the second electric quantity threshold, go to step 309; when the second power is greater than the second power threshold, go to step 302.
The value of the second electric quantity threshold may be limited according to an actual situation, for example, when the second electric quantity of the second battery is about 80%, the second battery enters a constant voltage stage, if the charging state is continuously maintained at this time, the charging duration is increased due to the current being in the decreasing mode, and at this time, the second electric quantity threshold is set to 80%, so that the charging duration at this stage may be reduced.
Step 309: the power manager may control charging the second battery via the control circuit when the second amount of power is less than or equal to a second amount of power threshold.
Similarly, after the charger selects the second battery to charge, the second battery starts to charge, but the charging state does not continue all the time, and then a process of determining whether the charging is finished is required, and the determination result is obtained in a certain manner, and the specific determination process is described as step 310 and 311.
Step 310: when the second electric quantity of the second battery is greater than or equal to the fourth electric quantity threshold, go to step 311; when the second power of the second battery is less than the fourth power threshold, go to step 312 where the fourth power threshold is greater than the second power threshold.
The value of the fourth electric quantity threshold may be limited according to an actual situation, for example, the value of the fourth electric quantity threshold may be set to 100%, and whether to continue charging is determined according to a result that the threshold is larger or smaller.
Step 311: when the second electric quantity of the second battery is larger than or equal to the fourth electric quantity threshold value, the power supply manager controls to stop charging the second battery through the control circuit.
When the second battery is continuously charged, the temperature of the battery is gradually increased due to the charging process, but according to the characteristics of the battery, if the temperature of the battery is too high, a large current is not allowed to be charged, so it is necessary to determine the value of the second temperature of the second battery while the second battery is being charged, and the specific determination process is described in step 312 and step 313.
Step 312: and when the second electric quantity is smaller than the fourth electric quantity threshold value, continuing to charge the second battery, and simultaneously acquiring a second temperature of the second battery by the power supply manager every second time period.
The second duration is a certain period, and the value of the period may be limited according to an actual situation, for example, may be set to 5 seconds, so as to determine whether to acquire the first temperature of the first battery.
Step 313: while maintaining the second battery charging state, for the second temperature obtained each time, when the second temperature is greater than a second temperature threshold, go to step 302; when the second temperature is less than or equal to the second temperature threshold, go to step 309.
The value of the second temperature threshold may be limited according to actual conditions, for example, the value of the second temperature threshold may be set to 45 °, because the battery temperature is higher than 45 ° according to the characteristics of the battery itself, and the large current is not allowed to be charged. And, when the second temperature is greater than the second temperature threshold, the specific process of step 313 going to step 302 is that the power manager controls to stop charging the second battery and switch to charging the first battery through the control circuit.
Through the steps of the charging process, the charging mode that the power supply manager and the control circuit manage the first battery and the second battery can optimize the charging time and preferentially ensure the normal work of the first battery or the second battery; in addition, the battery temperature is also judged in an early warning mode by considering the characteristics of the battery; and a power supply manager is combined, so that the charging process can be comprehensively, efficiently and reasonably ensured, and the design cost can be correspondingly saved.
The embodiment of the invention provides not only a charging method but also a power supply method, and a specific power supply process is shown in fig. 4, which is a schematic flow diagram of the power supply method provided by the embodiment of the application. The execution subject of the method shown in fig. 4 may be a power manager, the method comprising:
under normal conditions, the first battery supplies power to the main screen, the second battery supplies power to the auxiliary screen, and the electric quantity of the battery is gradually reduced along with the prolonging of the service time of the terminal equipment no matter the first battery or the second battery is in a power supply state; after the electric quantity of the battery is reduced to a certain degree, for the terminal equipment with the main screen and the auxiliary screen, the main screen needs to be preferentially supplied with power to ensure the normal operation of the terminal equipment, at the moment, whether the first electric quantity of the first battery can meet the power supply of the main screen needs to be considered, and if the first electric quantity of the first battery meets the power supply of the main screen, the first battery continues to supply power to the main screen; if not, it needs to be comprehensively determined by combining the second electric quantity of the second battery to determine whether the second battery needs to be switched to supply power to the main screen, and the specific determination process is described as step 400-402. Step 400: the power manager obtains a first amount of power of the first battery.
Step 401: judging whether the first electric quantity is greater than or equal to a fifth electric quantity threshold value, and turning to step 402 when the first electric quantity is greater than or equal to the fifth electric quantity threshold value; when the first power amount is less than the fifth power amount threshold, go to step 403.
The value of the fifth electric quantity threshold value can be limited according to actual conditions, for example, when the first electric quantity of the first battery is about 15%, the first battery is basically in a low-electric-quantity condition, at this moment, if the power supply state is continuously kept, the terminal equipment can be powered down and blacked due to unstable power supply caused by large-current power supply, at this moment, the first electric quantity threshold value is set to be 15%, and the occurrence of the condition can be reduced.
Step 402: when the first electric quantity is larger than or equal to the fifth electric quantity threshold value or the second electric quantity is larger than the first electric quantity, the power supply manager controls the first battery to supply power for the main screen through the control circuit.
When the first electric quantity is greater than the fifth electric quantity threshold value, and which battery is selected to preferentially supply power to the main screen at this time, the second electric quantity of the second battery needs to be combined to perform comprehensive judgment, and the specific judgment process is described as 403-405.
Step 403: and when the first electric quantity is smaller than the fifth electric quantity threshold value, the power supply manager acquires the second electric quantity of the second battery.
Step 404: judging whether the second electric quantity is larger than the first electric quantity, and turning to step 402 when the second electric quantity is larger than the first electric quantity; when the second amount of power is less than or equal to the first amount of power, go to step 405.
The specific process is that the power supply manager controls the second battery to stop supplying power to the auxiliary screen through the control circuit, and switches to the second battery to supply power to the main screen.
Step 405: when the second electric quantity is smaller than or equal to the first electric quantity, the power supply manager controls the first battery to supply power to the main screen continuously through the control circuit, and the second battery supplies power to the auxiliary screen.
Step 406: turning to step 404 when the first electric quantity is greater than a sixth electric quantity threshold value in a state that the first battery supplies power to the main screen and the second battery supplies power to the auxiliary screen; when the first electric quantity is less than or equal to the sixth electric quantity threshold, the electric quantity of the terminal device is very low, wherein the value of the sixth electric quantity threshold can be limited according to the actual situation, for example, the value of the sixth electric quantity threshold can be set to 0, and whether the electric quantity of the terminal device is very low is determined according to the result that the value of the sixth electric quantity threshold is larger than or smaller than the threshold.
According to the power supply process, the power supply mode that the power manager and the control circuit manage the first battery and the second battery is adopted, not only is the whole operation of the terminal equipment started, the continuous power supply to the main screen is preferentially ensured, but also the power failure black screen condition which is easy to occur in a low-power state is reasonably avoided, so that the efficiency of the two batteries is maximized, the power supply time is optimized, the best use of the things is realized, and the standby time is prolonged. The terminal device in the embodiment of the present invention is a dual-screen mobile phone, and optionally, may be a device providing voice and/or data connectivity to a user, a handheld device having a wireless connection function, or another processing device connected to a wireless modem. The wireless terminals may be mobile terminals such as mobile telephones (or "cellular" telephones) and computers having mobile terminals, such as portable, pocket, hand-held, computer-included, or vehicle-mounted mobile devices, that exchange language and/or data with a radio access network. For example, Personal Communication Service (PCS) phones, cordless phones, Session Initiation Protocol (SIP) phones, Wireless Local Loop (WLL) stations, Personal Digital Assistants (PDAs), and the like.
Finally, it should be noted that: as will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (4)
1. A method of charging, comprising:
acquiring a first electric quantity of a first battery;
charging the first battery when the first electric quantity is less than or equal to a first electric quantity threshold value;
when the first electric quantity is larger than the first electric quantity threshold value, acquiring a second electric quantity of a second battery;
charging the second battery when the second amount of power is less than or equal to a second amount of power threshold;
when the second electric quantity is larger than the second electric quantity threshold value, continuing to charge the first battery;
the charging the first battery, or after continuing to charge the first battery, further includes:
when the first electric quantity is smaller than a third electric quantity threshold value, acquiring a first temperature of the first battery at intervals of a first time, wherein the third electric quantity threshold value is larger than the first electric quantity threshold value;
for the first temperature obtained each time, when the first temperature is greater than the first temperature threshold value and the second electric quantity is less than the second electric quantity threshold value, stopping charging the first battery and charging the second battery;
for the first temperature obtained each time, when the first temperature is greater than the first temperature threshold value and when the second electric quantity is greater than the second electric quantity threshold value, continuing to charge the first battery;
after the second battery is charged, the method further comprises:
when the second electric quantity of the second battery is smaller than a fourth electric quantity threshold value, acquiring a second temperature of the second battery every second time, wherein the fourth electric quantity threshold value is larger than the second electric quantity threshold value;
for the second temperature obtained each time, when the second temperature is smaller than or equal to a second temperature threshold, continuing to charge the second battery;
and for the second temperature acquired each time, when the second temperature is greater than the second temperature threshold, stopping charging the second battery and charging the first battery.
2. The method of claim 1, wherein charging the first battery is stopped when the first charge is greater than or equal to the third charge threshold.
3. The method of claim 1, wherein charging the second battery is stopped when the second charge is greater than or equal to the fourth charge threshold.
4. A power management device comprising a power manager and control circuitry, the power manager being arranged to perform the method of any of claims 1 to 3;
when the method of any of claims 1 to 3 is performed, the power manager controls charging of the first battery or the second battery via the control circuit.
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| CN201910399136.7A CN110176643B (en) | 2019-05-14 | 2019-05-14 | Charging method, power supply management equipment and terminal equipment |
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| CN201910399136.7A CN110176643B (en) | 2019-05-14 | 2019-05-14 | Charging method, power supply management equipment and terminal equipment |
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| CN110601292B (en) * | 2019-09-17 | 2021-02-02 | Oppo（重庆）智能科技有限公司 | Battery management method, device, storage medium and electronic equipment |
| CN113013935A (en) * | 2019-12-20 | 2021-06-22 | 惠州比亚迪电子有限公司 | Control method and system of power supply device, terminal equipment and storage medium |
| CN111404242A (en) * | 2020-05-13 | 2020-07-10 | Tcl移动通信科技（宁波）有限公司 | Charging method, charging device, storage medium and mobile terminal |
| CN111984107B (en) * | 2020-08-10 | 2022-05-06 | Tcl通讯（宁波）有限公司 | Method and device for processing power supply abnormity of terminal equipment |
| CN112994184A (en) * | 2021-04-23 | 2021-06-18 | 维沃移动通信有限公司 | Reverse charging method and device and electronic equipment |
| CN113377185B (en) * | 2021-07-05 | 2023-10-10 | 歌尔科技有限公司 | Embedded equipment, power supply switching method and device thereof and storage medium |
| CN113809835A (en) * | 2021-08-11 | 2021-12-17 | 荣耀终端有限公司 | Wireless charging method, device, chip, system and computer readable storage medium |
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