CN109347163B - Discharging method, mobile power supply and computer storage medium - Google Patents
Discharging method, mobile power supply and computer storage medium Download PDFInfo
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- CN109347163B CN109347163B CN201811270964.2A CN201811270964A CN109347163B CN 109347163 B CN109347163 B CN 109347163B CN 201811270964 A CN201811270964 A CN 201811270964A CN 109347163 B CN109347163 B CN 109347163B
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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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
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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
- H01M10/446—Initial charging measures
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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
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- Chemical & Material Sciences (AREA)
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- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The embodiment of the application discloses a discharging method, a mobile power supply and a computer storage medium, wherein the discharging method comprises the following steps: after connection with the equipment to be charged is established, the discharging voltage corresponding to the equipment to be charged is obtained through communication with the equipment to be charged; wherein the discharge voltage represents an output voltage when discharging to the charge setting; determining a voltage difference value according to the discharge voltage, the first preset discharge voltage and the second preset discharge voltage; the first preset discharge voltage is smaller than the second preset discharge voltage; determining a discharge mode according to the voltage difference; the battery charging method comprises the following steps that a discharging mode is used for determining the number of battery cores when equipment to be charged is discharged; and discharging the equipment to be charged according to a discharging mode.
Description
Technical Field
The embodiment of the application relates to a discharging technology of a mobile power supply, in particular to a discharging method, the mobile power supply and a computer storage medium.
Background
The capacity of the mobile power supply is supplied by an internal electricity storage unit, and the electricity storage unit is an electric core. At present, common mobile power supplies can be divided into a single battery cell and a double battery cell, and as the name suggests, a single battery cell is configured in a mobile power supply, so that the capacity is small; the mobile power supply with double battery cores is provided with two battery cores connected in series or in parallel, and the capacity is large. Therefore, the battery voltage of the dual-cell mobile power supply can be twice as high as that of the single-cell mobile power supply.
Although the double-cell mobile power supply can provide larger discharge voltage for the equipment to be charged, when the discharge voltage required by the equipment to be charged is smaller, the double-cell mobile power supply is used for discharging the equipment to be charged, and the voltage conversion efficiency is low due to the fact that the pressure difference between the front and the back of the voltage conversion is larger, the electric quantity loss is increased, and the intelligence of the mobile power supply is reduced.
Disclosure of Invention
The embodiment of the application provides a discharging method, a mobile power supply and a computer storage medium, which can reduce the voltage difference before and after voltage conversion, further improve the voltage conversion efficiency, reduce the loss of electric quantity and further improve the intelligence of the mobile power supply.
The technical scheme of the embodiment of the application is realized as follows:
the embodiment of the application provides a discharging method, which comprises the following steps:
after connection with equipment to be charged is established, acquiring discharge voltage corresponding to the equipment to be charged through communication with the equipment to be charged; wherein the discharge voltage represents an output voltage when discharging to the to-be-charged setting;
determining a voltage difference value according to the discharge voltage, a first preset discharge voltage and a second preset discharge voltage; wherein the first preset discharge voltage is less than the second preset discharge voltage;
determining a discharge mode according to the voltage difference; the discharge mode is used for determining the number of the battery cores when the equipment to be charged is discharged;
and discharging the equipment to be charged according to the discharging mode.
Optionally, the determining the voltage difference value according to the discharge voltage, the first preset discharge voltage, and the second preset discharge voltage includes:
obtaining the first voltage difference value according to the discharge voltage and the first preset discharge voltage;
and obtaining the second voltage difference value according to the discharge voltage and the second preset discharge voltage.
Optionally, the determining the discharge mode according to the voltage difference includes:
determining the discharge mode as the first discharge mode when the first voltage difference value is less than or equal to the second voltage difference value;
determining the discharge mode as the second discharge mode when the first voltage difference is greater than the second voltage difference.
Optionally, when the discharging mode is the first discharging mode, the discharging the device to be charged according to the discharging mode includes:
performing voltage boosting and reducing processing on the first preset discharge voltage according to the discharge voltage to obtain a target voltage;
and discharging the equipment to be charged according to the target voltage.
Optionally, when the discharging mode is the second discharging mode, the discharging the device to be charged according to the discharging mode includes:
performing voltage boosting and reducing processing on the second preset discharge voltage according to the discharge voltage to obtain the target voltage;
and discharging the equipment to be charged according to the target voltage.
Optionally, before determining the voltage difference according to the discharge voltage, the first preset discharge voltage, and the second preset discharge voltage, the method further includes:
and detecting the voltage of the battery cell to obtain the first preset discharge voltage and the second preset discharge voltage.
Optionally, after the discharging to the device to be charged according to the discharging mode, the method further includes:
carrying out equalization processing on the battery cell; and the equalization processing is used for balancing the voltage of the battery cell.
The embodiment of the application provides a mobile power supply, mobile power supply includes: an acquisition unit, a determination unit and a discharge unit,
the acquisition unit is used for acquiring the discharge voltage corresponding to the equipment to be charged through communication with the equipment to be charged after connection with the equipment to be charged is established; wherein the discharge voltage represents an output voltage when discharging to the to-be-charged setting;
the determining unit is used for determining a voltage difference value according to the discharge voltage, a first preset discharge voltage and a second preset discharge voltage; wherein the first preset discharge voltage is less than the second preset discharge voltage; and determining a discharge mode according to the voltage difference; the discharge mode is used for determining the number of the battery cores when the equipment to be charged is discharged;
the discharging unit is used for discharging to the equipment to be charged according to the discharging mode.
Optionally, the voltage difference value comprises a first voltage difference value and a second voltage difference value,
the determining unit is specifically configured to obtain the first voltage difference according to the discharge voltage and the first preset discharge voltage; and obtaining the second voltage difference value according to the discharge voltage and the second preset discharge voltage.
Optionally, the discharge modes include a first discharge mode and a second discharge mode, where the number of cells corresponding to the first discharge mode is smaller than the number of cells corresponding to the second discharge mode,
the determining unit is further specifically configured to determine that the discharge mode is the first discharge mode when the first voltage difference is smaller than or equal to the second voltage difference; and determining the discharge mode as the second discharge mode when the first voltage difference is greater than the second voltage difference.
Optionally, the discharge unit is specifically configured to, when the discharge mode is the first discharge mode, perform voltage step-up and step-down processing on the first preset discharge voltage according to the discharge voltage to obtain a target voltage; and discharging the device to be charged according to the target voltage;
the discharge unit is further specifically configured to, when the discharge mode is the second discharge mode, perform voltage step-up and step-down processing on the second preset discharge voltage according to the discharge voltage to obtain the target voltage; and discharging the device to be charged according to the target voltage.
Optionally, the obtaining unit is further configured to perform voltage detection on the battery cell before determining a voltage difference according to the discharge voltage, the first preset discharge voltage, and the second preset discharge voltage, so as to obtain the first preset discharge voltage and the second preset discharge voltage.
Optionally, the mobile power supply further includes: an equalization unit for equalizing the received signal and the received signal,
the equalizing unit is used for equalizing the battery cell after discharging to the equipment to be charged according to the discharging mode; and the equalization processing is used for balancing the voltage of the battery cell.
The embodiment of the application provides a mobile power supply, which comprises a processor and a memory, wherein the memory stores executable instructions of the processor; when executed, the processor implements the discharge method as described above.
An embodiment of the present application provides a computer-readable storage medium, on which a program is stored, and the program is applied to a mobile power supply, and when the program is executed by a processor, the program implements the discharging method as described above.
The embodiment of the application provides a discharging method, a mobile power supply and a computer storage medium, wherein after connection with equipment to be charged is established, the mobile power supply acquires a discharging voltage corresponding to the equipment to be charged through communication with the equipment to be charged; wherein the discharge voltage represents an output voltage when discharging to the charge setting; determining a voltage difference value according to the discharge voltage, the first preset discharge voltage and the second preset discharge voltage; the first preset discharge voltage is smaller than the second preset discharge voltage; determining a discharge mode according to the voltage difference; the battery charging method comprises the following steps that a discharging mode is used for determining the number of battery cores when equipment to be charged is discharged; and discharging the equipment to be charged according to a discharging mode. Therefore, according to the discharging method provided by the application, after the discharging voltage of the device to be charged is determined, the mobile power supply can select the number of discharged battery cells according to the voltage difference between the discharging voltage and the voltage of the battery cells, and then the device to be charged is discharged. That is to say, in the embodiment of the application, although the portable power source is configured with two battery cells, the portable power source may select the discharge mode in the first discharge mode and the second discharge mode according to the discharge voltage corresponding to the device to be charged, so as to discharge in a more suitable discharge mode, and thus the voltage difference before and after voltage conversion may be reduced, and further the voltage conversion efficiency may be improved, and the loss of electric quantity may be reduced, thereby improving the intelligence of the portable power source.
Drawings
Fig. 1 is a schematic flow chart illustrating an implementation of a discharging method according to an embodiment of the present application;
fig. 2 is a first schematic diagram illustrating discharging of a mobile power supply according to an embodiment of the present disclosure;
fig. 3 is a second schematic discharge diagram of the mobile power supply in the embodiment of the present application;
fig. 4 is a third schematic discharge diagram of the mobile power supply in the embodiment of the present application;
fig. 5 is a first schematic structural diagram of a mobile power supply according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of a mobile power supply according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant application and are not limiting of the application. It should be noted that, for the convenience of description, only the parts related to the related applications are shown in the drawings.
In an embodiment of the application, the mobile power supply may include a power supply control device, where the power supply control device may include a device housing, the device housing is provided with a power input interface, a power output interface, and a first contact feed point, and both the power input interface and the power output interface are electrically connected to the first contact feed point for controlling charging and discharging of the mobile power supply.
The mobile power supply may further include at least one battery cell, wherein each battery cell includes a battery, a battery case for accommodating the battery, a second contact feed point and a third contact feed point electrically connected to the battery; the third contact feed point is used for being in contact conduction with the second contact feed point of another battery unit. The power control device is connected with the battery units, and when the power control device is connected with the battery units, the first contact feeder point is correspondingly conducted with the second contact feeder point of one battery unit.
It should be noted that the discharging method provided in the embodiment of the present application may be applied to a mobile power supply configured with two battery cells, that is, two batteries.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
An embodiment of the present application provides a discharging method, where the discharging method is applied to a mobile power supply, where the mobile power supply is configured with two battery cells, that is, the mobile power supply is a dual-battery mobile power supply; fig. 1 is a schematic flow chart of an implementation of a discharging method provided in an embodiment of the present application, and as shown in fig. 1, in the embodiment of the present application, the discharging method of the mobile power supply may include the following steps:
In the embodiment of the application, after the mobile power supply is connected with the device to be charged, the mobile power supply may communicate with the device to be charged first, and then obtain the discharge voltage corresponding to the device to be charged.
In an embodiment of the present application, the discharge voltage may represent an output voltage output by the mobile power supply when discharging to the to-be-charged setting.
It should be noted that, in the embodiment of the present application, the mobile power supply may be a dual-battery mobile power supply having two batteries, and specifically, two batteries in the mobile power supply may be connected in series.
Further, in the embodiment of the present application, a charging and discharging Integrated Circuit (IC) may be configured in the mobile power supply, and specifically, the mobile power supply may be boosted or stepped down by charging and discharging the IC.
In the embodiment of the present application, when the mobile power supply discharges, the charging and discharging IC may perform a voltage step-up and step-down process on the battery voltage to obtain a target voltage, and charge the connected device to be charged according to the target voltage.
Further, in this application, the device to be charged is a device to be charged that can be connected to a mobile power supply, for example, the device to be charged may be any device to be charged that has communication and storage functions, for example: tablet computers, mobile phones, electronic readers, remote controllers, Personal Computers (PCs), notebook computers, vehicle-mounted devices, network televisions, wearable devices, and standby charging devices.
It should be noted that, in the embodiment of the present application, the device to be charged is configured with a communication interface, such as a Universal Serial Bus (USB) interface, so that the device to be charged can establish a connection with the mobile power supply through the communication interface and communicate with the mobile power supply.
Further, in the embodiment of the application, after the mobile power supply is connected with the device to be charged, when the discharge voltage corresponding to the device to be charged is detected, the charging protocol corresponding to the device to be charged can be determined through the communication interface of the device to be charged, so that the discharge voltage is determined according to the charging protocol.
It should be noted that, in the embodiment of the present application, the discharge voltage is an output voltage value required by the mobile power supply when the device to be charged is charged, and therefore, the mobile power supply needs to output a target voltage matched with the discharge voltage to charge the device to be charged.
Further, in the embodiment of the application, if the mobile power supply and the device to be charged establish a connection through a USB interface, the mobile power supply may identify a charging protocol supported by the device to be charged through D + and D-of the device to be charged, so as to further determine a discharging voltage corresponding to the device to be charged according to the charging protocol.
In an embodiment of the application, after the mobile power supply establishes a connection with a device to be charged and obtains a discharge voltage corresponding to the device to be charged through communication with the device to be charged, a voltage difference can be determined according to the discharge voltage, a first preset discharge voltage and a second preset discharge voltage.
Further, in an embodiment of the application, before the mobile power supply determines the voltage difference according to the discharge voltage, the first preset discharge voltage, and the second preset discharge voltage, the mobile power supply may perform voltage detection on the battery cell to obtain the first preset discharge voltage and the second preset discharge voltage.
It should be noted that, in the embodiment of the application, the mobile power supply is configured with two battery cells, so that the battery cell voltages respectively corresponding to the two battery cells, that is, the first preset discharge voltage, can be detected and obtained, where one battery cell corresponds to one first preset discharge voltage.
Further, in an embodiment of the application, the mobile power supply may further obtain a sum of voltages of the two battery cells, that is, a second preset discharge voltage. It should be noted that, in the embodiment of the present application, the first preset discharge voltage may be smaller than the second preset discharge voltage. .
It should be noted that, in the embodiment of the present application, the mobile power supply may be configured with an equalizing circuit, so that voltages of two battery cells may be equalized, so that the voltages of the two battery cells are kept the same, that is, the first preset discharge voltages of different battery cells detected by the mobile power supply are the same.
Further, in an embodiment of the application, after the discharge voltage, the first preset discharge voltage, and the second preset discharge voltage are determined, the mobile power supply may determine a voltage difference according to the discharge voltage and the first preset discharge voltage, and the discharge voltage and the second preset discharge voltage, respectively.
It should be noted that, in the embodiment of the present application, the voltage difference may include a difference between the discharge voltage and a first preset discharge voltage, and may also include a difference between the discharge voltage and a second preset discharge voltage.
In an embodiment of the application, after determining the voltage difference according to the discharge voltage, the first preset discharge voltage, and the second preset discharge voltage, the mobile power supply may further determine the discharge mode according to the voltage difference.
It should be noted that, in the embodiment of the present application, the discharge mode may be used to determine the number of battery cells when discharging to the device to be charged, that is, the discharge mode may be used to select the number of discharged battery cells. That is, the discharge mode may be used to determine whether to discharge using a single cell or to discharge using a dual cell.
Further, in an embodiment of the present application, the discharge mode may include a first discharge mode and a second discharge mode. That is to say, in the embodiment of the application, even if the portable power source is configured with two battery cells, the discharge mode may be intelligently selected when the portable power source discharges, that is, the discharge may be performed through one battery cell, or may be performed through two battery cells.
It should be noted that, in the embodiment of the application, when determining the discharge mode according to the voltage difference, the mobile power supply may compare the difference between the discharge voltage and the first preset discharge voltage and the difference between the discharge voltage and the second preset discharge voltage, so as to determine the discharge mode according to the comparison result.
And 104, discharging the equipment to be charged according to a discharging mode.
In an embodiment of the application, after determining the discharge mode according to the voltage difference, the mobile power supply may discharge to the device to be charged according to the discharge mode.
Further, in the embodiment of the application, after the discharge mode is determined, the mobile power supply may perform discharge according to the discharge mode, that is, after it is determined to use the first discharge mode or the second discharge mode according to the voltage difference, the device to be charged may be discharged according to the first discharge mode or the second discharge mode.
Fig. 2 is a first schematic discharge diagram of the mobile power supply in the embodiment of the present application, as shown in fig. 2, in a discharge circuit of the mobile power supply, the mobile power supply is configured with a Micro Controller Unit (MCU), a battery cell 1, and a battery cell 2, the mobile power supply may select a path 1 to communicate with a device to be charged through data lines D + and D-, and the switch 1 and the switch 2 are used to select a discharge mode, specifically, if a dual-battery output is required, the switch is turned on through the path 2, and otherwise, the switch is turned on through the path 3.
In the embodiment of the present application, further, after the mobile power supply discharges to the device to be charged according to the discharge mode, that is, after step 104, the method for discharging by the mobile power supply further includes the following steps:
105, carrying out equalization processing on the battery cell; and the equalization processing is used for balancing the voltage of the battery cell.
In an embodiment of the application, after the mobile power supply discharges to the device to be charged according to the discharge mode, the cell may be subjected to equalization processing.
Further, in the embodiment of the present application, the equalization processing may be used to perform voltage equalization on the battery cell.
Further, in an embodiment of the present application, the balancing process may further include performing an electric quantity balancing process on the battery cell.
It should be noted that, in the embodiment of the application, if the discharge mode is the first discharge mode, after the mobile power supply discharges the device to be charged, voltages and electric quantities of two battery cells in the mobile power supply are no longer guaranteed to be the same, but a difference is generated, so that the mobile power supply needs to equalize the voltages and the electric quantities of the two battery cells.
Further, in an embodiment of the present application, based on the foregoing fig. 2, fig. 3 is a discharge schematic diagram of the mobile power supply in the embodiment of the present application, and as shown in fig. 3, an active equalization module is configured in a discharge circuit of the mobile power supply, and the active equalization module takes electricity from the battery cell 1 through paths 4 and 5 to supplement the electric quantity of the battery cell 2, so as to ensure that the voltage and the electric quantity of the two battery cells are kept balanced.
According to the discharging method provided by the embodiment of the application, after the connection with the equipment to be charged is established, the mobile power supply obtains the discharging voltage corresponding to the equipment to be charged through the communication with the equipment to be charged; wherein the discharge voltage represents an output voltage when discharging to the charge setting; determining a voltage difference value according to the discharge voltage, the first preset discharge voltage and the second preset discharge voltage; the first preset discharge voltage is smaller than the second preset discharge voltage; determining a discharge mode according to the voltage difference; the battery charging method comprises the following steps that a discharging mode is used for determining the number of battery cores when equipment to be charged is discharged; and discharging the equipment to be charged according to a discharging mode. Therefore, according to the discharging method provided by the application, after the discharging voltage of the device to be charged is determined, the mobile power supply can select the number of discharged battery cells according to the voltage difference between the discharging voltage and the voltage of the battery cells, and then the device to be charged is discharged. That is to say, in the embodiment of the application, although the portable power source is configured with two battery cells, the portable power source may select the discharge mode in the first discharge mode and the second discharge mode according to the discharge voltage corresponding to the device to be charged, so as to discharge in a more suitable discharge mode, and thus the voltage difference before and after voltage conversion may be reduced, and further the voltage conversion efficiency may be improved, and the loss of electric quantity may be reduced, thereby improving the intelligence of the portable power source.
Based on the foregoing embodiment, in another embodiment of the present application, the voltage difference includes a first voltage difference and a second voltage difference, and the method for determining the voltage difference by the mobile power supply according to the discharge voltage, a first preset discharge voltage and a second preset discharge voltage may include the following steps:
step 102a, obtaining a first voltage difference value according to the discharge voltage and a first preset discharge voltage.
In an embodiment of the application, after determining the discharge voltage and the first preset discharge voltage, the mobile power supply may obtain a first voltage difference value according to the discharge voltage and the first preset discharge voltage.
It should be noted that, in the embodiment of the present application, the voltage difference may include a first voltage difference between the discharge voltage and a first preset discharge voltage.
Further, in the embodiment of the application, the mobile power supply may perform a difference operation on the discharge voltage and the first preset discharge voltage, so that the first voltage difference value may be further determined according to a result of the difference operation.
Further, in an embodiment of the present application, the mobile power supply may determine an absolute value of a difference operation result corresponding to the discharge voltage and the first preset discharge voltage as the first voltage difference. For example, the discharge voltage is 5V, the first preset discharge voltage is 4V, and the first voltage difference is 1V.
And 102b, obtaining a second voltage difference value according to the discharge voltage and a second preset discharge voltage.
In an embodiment of the application, after the discharge voltage and the second preset discharge voltage are determined, the mobile power supply may obtain a second voltage difference according to the discharge voltage and the second preset discharge voltage.
It should be noted that, in the embodiment of the present application, the voltage difference may further include a second voltage difference between the discharge voltage and a second preset discharge voltage.
Further, in the embodiment of the application, the mobile power supply may perform a difference operation on the discharge voltage and a second preset discharge voltage, so that the second voltage difference value may be further determined according to a result of the difference operation.
Further, in an embodiment of the present application, the mobile power supply may determine an absolute value of a difference operation result corresponding to the discharge voltage and a second preset discharge voltage as the second voltage difference. For example, if the discharge voltage is 5V and the second preset discharge voltage is 6.8V, the first voltage difference is 1.8V.
Further, in an embodiment of the present application, the discharge modes include a first discharge mode and a second discharge mode, where a number of cells corresponding to the first discharge mode is smaller than a number of cells corresponding to the second discharge mode, and the method for the mobile power supply to determine the discharge mode according to the voltage difference may include the following steps:
and 103a, when the first voltage difference value is smaller than or equal to the second voltage difference value, determining that the discharge mode is the first discharge mode.
In an embodiment of the application, after the mobile power supply determines the voltage difference value according to the discharge voltage, the first preset discharge voltage, and the second preset discharge voltage, respectively, that is, after determining the first voltage difference value and the second voltage difference value, if the first voltage difference value is greater than or equal to the second voltage difference value, the discharge mode may be determined as the first discharge mode.
It should be noted that, in the embodiment of the present application, the discharge modes may be divided into a first discharge mode and a second discharge mode according to different numbers of discharge cells, where the number of cells corresponding to the first discharge mode is smaller than the number of cells corresponding to the second discharge mode.
Further, in the embodiment of the application, after the mobile power supply determines the first voltage difference value and the second voltage difference value, the first voltage difference value and the second voltage difference value may be compared, so that the discharge mode may be further determined according to the comparison result.
Further, in the embodiment of the application, after the mobile power source compares the first voltage difference with the second voltage difference, when the first voltage difference is greater than or equal to the second voltage difference, the mobile device to be charged may consider that the discharge voltage is closer to the first preset discharge voltage, that is, the mobile power source may determine that the first discharge mode is more suitable for use when the device to be charged is discharged, so that the mobile power source may determine the discharge mode as the first discharge mode.
And 103b, when the first voltage difference value is larger than the second voltage difference value, determining that the discharge mode is the second discharge mode.
In an embodiment of the application, after the mobile power supply respectively determines the voltage difference values according to the discharge voltage, the first preset discharge voltage, and the second preset discharge voltage, that is, after the first voltage difference value and the second voltage difference value are determined, if the first voltage difference value is greater than the second voltage difference value, the discharge mode may be determined as the second discharge mode.
Further, in the embodiment of the application, after the mobile power supply determines the first voltage difference value and the second voltage difference value, the first voltage difference value and the second voltage difference value may be compared, so that the discharge mode may be further determined according to the comparison result.
Further, in the embodiment of the application, after the mobile power supply compares the first voltage difference with the second voltage difference, when the first voltage difference is greater than the second voltage difference, the mobile device to be charged may consider that the discharge voltage is closer to the second preset discharge voltage, that is, it may be stated that the mobile device to be charged is more suitable for using the second discharge mode when discharging, so that the mobile power supply may determine the discharge mode as the second discharge mode.
According to the discharging method provided by the embodiment of the application, after the connection with the equipment to be charged is established, the mobile power supply obtains the discharging voltage corresponding to the equipment to be charged through the communication with the equipment to be charged; wherein the discharge voltage represents an output voltage when discharging to the charge setting; determining a voltage difference value according to the discharge voltage, the first preset discharge voltage and the second preset discharge voltage; the first preset discharge voltage is smaller than the second preset discharge voltage; determining a discharge mode according to the voltage difference; the battery charging method comprises the following steps that a discharging mode is used for determining the number of battery cores when equipment to be charged is discharged; and discharging the equipment to be charged according to a discharging mode. Therefore, according to the discharging method provided by the application, after the discharging voltage of the device to be charged is determined, the mobile power supply can select the number of discharged battery cells according to the voltage difference between the discharging voltage and the voltage of the battery cells, and then the device to be charged is discharged. That is to say, in the embodiment of the application, although the portable power source is configured with two battery cells, the portable power source may select the discharge mode in the first discharge mode and the second discharge mode according to the discharge voltage corresponding to the device to be charged, so as to discharge in a more suitable discharge mode, and thus the voltage difference before and after voltage conversion may be reduced, and further the voltage conversion efficiency may be improved, and the loss of electric quantity may be reduced, thereby improving the intelligence of the portable power source.
In an embodiment of the present application, further, when the discharging mode is the first discharging mode, the method for the mobile power supply to discharge to the device to be charged according to the discharging mode may include the following steps:
and 104a, performing voltage boosting and reducing processing on the first preset discharge voltage according to the discharge voltage to obtain a target voltage.
In the embodiment of the application, after the mobile power supply determines the discharge mode according to the voltage difference, if the discharge mode is the first discharge mode, the mobile power supply may perform voltage step-up and step-down processing on the first preset discharge voltage according to the discharge voltage, so that the target voltage may be obtained.
In the embodiment of the present application, after determining that the discharge mode is the first discharge mode, the portable power source may perform the step-up and step-down processing by the charge and discharge IC according to the discharge voltage to obtain the target voltage.
Further, in an embodiment of the present application, based on the foregoing fig. 3, fig. 4 is a third schematic discharge diagram of the mobile power supply in the embodiment of the present application, and as shown in fig. 4, a discharge circuit of the mobile power supply is configured with a charge and discharge IC, and the charge and discharge IC can perform a voltage step-up and step-down process on a first preset discharge voltage or a second preset discharge voltage, and then perform output discharge. For example, the discharge voltage is 5V, and the first preset discharge voltage is 4V, then the first preset discharge voltage needs to be boosted according to the discharge voltage, and the obtained target voltage is 5V.
And 104b, discharging the equipment to be charged according to the target voltage.
In an embodiment of the application, after the mobile power supply performs voltage boosting and reducing processing on the first preset discharge voltage according to the discharge voltage to obtain the target voltage, the mobile power supply may discharge the device to be charged according to the target voltage.
In the embodiment of the present application, when the portable power source performs the voltage step-up and step-down processing on the first preset discharge voltage, the voltage difference between the voltage step-up and step-down of the charge and discharge IC is small, so that the voltage conversion efficiency can be effectively improved, and the loss of the electric quantity can be reduced.
In the embodiment of the present application, further, when the discharging mode is the second discharging mode, the method for the mobile power supply to discharge to the device to be charged according to the discharging mode may further include the following steps:
and step 104c, performing voltage boosting and reducing processing on the second preset discharge voltage according to the discharge voltage to obtain a target voltage.
In an embodiment of the application, after the mobile power supply determines the discharge mode according to the voltage difference, if the discharge mode is the second discharge mode, the mobile power supply may perform a voltage step-up and step-down process on the second preset discharge voltage according to the discharge voltage, so as to obtain the target voltage.
In an embodiment of the present application, after determining that the discharge mode is the second discharge mode, the portable power source may perform a step-up/step-down process by using a charge/discharge IC according to the discharge voltage to obtain the target voltage. For example, the discharge voltage is 5V, and the second preset discharge voltage is 6.8V, then the second preset discharge voltage needs to be subjected to voltage reduction processing according to the discharge voltage, and the obtained target voltage is 5V.
And 104d, discharging the equipment to be charged according to the target voltage.
In an embodiment of the application, after the mobile power supply performs voltage boosting and reducing processing on the second preset discharge voltage according to the discharge voltage to obtain the target voltage, the mobile power supply may discharge the device to be charged according to the target voltage.
In the embodiment of the present application, when the portable power source performs the voltage step-up and step-down processing on the second preset discharge voltage, the voltage difference between the voltage step-up and step-down of the charge and discharge IC is small, so that the voltage conversion efficiency can be effectively improved, and the loss of the electric quantity can be reduced.
According to the discharging method provided by the embodiment of the application, after the connection with the equipment to be charged is established, the mobile power supply obtains the discharging voltage corresponding to the equipment to be charged through the communication with the equipment to be charged; wherein the discharge voltage represents an output voltage when discharging to the charge setting; determining a voltage difference value according to the discharge voltage, the first preset discharge voltage and the second preset discharge voltage; the first preset discharge voltage is smaller than the second preset discharge voltage; determining a discharge mode according to the voltage difference; the battery charging method comprises the following steps that a discharging mode is used for determining the number of battery cores when equipment to be charged is discharged; and discharging the equipment to be charged according to a discharging mode. Therefore, according to the discharging method provided by the application, after the discharging voltage of the device to be charged is determined, the mobile power supply can select the number of discharged battery cells according to the voltage difference between the discharging voltage and the voltage of the battery cells, and then the device to be charged is discharged. That is to say, in the embodiment of the application, although the portable power source is configured with two battery cells, the portable power source may select the discharge mode in the first discharge mode and the second discharge mode according to the discharge voltage corresponding to the device to be charged, so as to discharge in a more suitable discharge mode, and thus the voltage difference before and after voltage conversion may be reduced, and further the voltage conversion efficiency may be improved, and the loss of electric quantity may be reduced, thereby improving the intelligence of the portable power source.
In another embodiment of the present application, fig. 5 is a schematic diagram of a composition structure of a mobile power supply 1 according to an embodiment of the present application, as shown in fig. 5, the mobile power supply 1 according to the embodiment of the present application may include an obtaining unit 11, a determining unit 12, a discharging unit 13 and an equalizing unit 14,
the charging device comprises an acquisition unit 11, a charging unit and a control unit, wherein the acquisition unit is used for acquiring a discharge voltage corresponding to a device to be charged after connection with the device to be charged is established; wherein the discharge voltage represents an output voltage when discharging to the to-be-charged setting.
The determining unit 12 is configured to determine a voltage difference according to the discharge voltage, a first preset discharge voltage and a second preset discharge voltage after the obtaining unit 11 obtains the discharge voltage corresponding to the device to be charged; wherein the first preset discharge voltage is less than the second preset discharge voltage; and determining a discharge mode according to the voltage difference; the discharge mode is used for determining the number of the battery cores when the device to be charged discharges.
And the discharging unit 13 is configured to discharge the device to be charged according to the discharging mode after the determining unit 12 determines the discharging mode according to the voltage difference.
Further, in an embodiment of the present application, the voltage difference includes a first voltage difference and a second voltage difference, and the determining unit 12 is specifically configured to obtain the first voltage difference according to the discharge voltage and the first preset discharge voltage; and obtaining the second voltage difference value according to the discharge voltage and the second preset discharge voltage.
Further, in an embodiment of the present application, the discharge modes include a first discharge mode and a second discharge mode, where the number of cells corresponding to the first discharge mode is smaller than the number of cells corresponding to the second discharge mode, and the determining unit 12 is further specifically configured to determine that the discharge mode is the first discharge mode when the first voltage difference is smaller than or equal to the second voltage difference; and determining the discharge mode as the second discharge mode when the first voltage difference is greater than the second voltage difference.
Further, in the embodiment of the present application, when the discharge mode is the first discharge mode, the discharge unit 13 is specifically configured to perform voltage step-up and step-down processing on the first preset discharge voltage according to the discharge voltage to obtain a target voltage; and discharging the device to be charged according to the target voltage.
Further, in the embodiment of the present application, when the discharge mode is the second discharge mode, the discharge unit 13 is further specifically configured to perform voltage boosting and reducing processing on the second preset discharge voltage according to the discharge voltage to obtain the target voltage; and discharging the device to be charged according to the target voltage.
Further, in an embodiment of the application, the obtaining unit 11 is further configured to perform voltage detection on the battery cell before determining a voltage difference according to the discharge voltage, the first preset discharge voltage, and the second preset discharge voltage, so as to obtain the first preset discharge voltage and the second preset discharge voltage.
Further, in an embodiment of the present application, the equalizing unit 14 is configured to perform equalization processing on the battery cell after discharging to the device to be charged according to the discharging mode; and the equalization processing is used for balancing the voltage of the battery cell.
Fig. 6 is a schematic diagram of a composition structure of the mobile power supply 1 according to the embodiment of the present disclosure, as shown in fig. 6, the mobile power supply 1 according to the embodiment of the present disclosure may further include a processor 15 and a memory 16 storing executable instructions of the processor 15, and further, the mobile power supply 1 may further include a communication interface 17, and a bus 18 for connecting the processor 15, the memory 16, and the communication interface 17.
In an embodiment of the present Application, the Processor 15 may be at least one of an Application Specific Integrated Circuit (ASIC), a Digital Signal Processor (DSP), a Digital Signal Processing Device (DSPD), a ProgRAMmable Logic Device (PLD), a Field ProgRAMmable Gate Array (FPGA), a Central Processing Unit (CPU), a controller, a microcontroller, and a microprocessor. It is understood that the electronic devices for implementing the above processor functions may be other devices, and the embodiments of the present application are not limited in particular. The memory 16 is used to store executable program code comprising computer operating instructions, and the memory 16 may comprise a high speed RAM memory, and may also comprise a non-volatile memory, such as at least two disk memories.
In the embodiment of the present application, the bus 18 is used to connect the communication interface 17, the processor 15, and the memory 16 and the intercommunication among these devices.
In an embodiment of the present application, the memory 16 is used for storing instructions and data.
Further, in an embodiment of the present application, the processor 15 is configured to obtain, after establishing a connection with a device to be charged, a discharge voltage corresponding to the device to be charged through communication with the device to be charged; wherein the discharge voltage represents an output voltage when discharging to the to-be-charged setting; determining a voltage difference value according to the discharge voltage, a first preset discharge voltage and a second preset discharge voltage; wherein the first preset discharge voltage is less than the second preset discharge voltage; determining a discharge mode according to the voltage difference; the discharge mode is used for determining the number of the battery cores when the equipment to be charged is discharged; and discharging the equipment to be charged according to the discharging mode.
In practical applications, the Memory 16 may be a volatile first Memory (volatile Memory), such as a Random-Access Memory (RAM); or a non-volatile first Memory (non-volatile Memory), such as a Read-Only first Memory (ROM), a flash Memory (flash Memory), a Hard Disk Drive (HDD) or a Solid-State Drive (SSD); or a combination of first memories of the above kind.
In addition, each functional module in this embodiment may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware or a form of a software functional module.
Based on the understanding that the technical solution of the present embodiment essentially or a part contributing to the prior art, or all or part of the technical solution, may be embodied in the form of a software product stored in a storage medium, and include several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (processor) to execute all or part of the steps of the method of the present embodiment. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
According to the mobile power supply provided by the embodiment of the application, after the connection with the equipment to be charged is established, the mobile power supply acquires the discharge voltage corresponding to the equipment to be charged through the communication with the equipment to be charged; wherein the discharge voltage represents an output voltage when discharging to the charge setting; determining a voltage difference value according to the discharge voltage, the first preset discharge voltage and the second preset discharge voltage; the first preset discharge voltage is smaller than the second preset discharge voltage; determining a discharge mode according to the voltage difference; the battery charging method comprises the following steps that a discharging mode is used for determining the number of battery cores when equipment to be charged is discharged; and discharging the equipment to be charged according to a discharging mode. Therefore, according to the mobile power supply provided by the present application, after the discharge voltage of the device to be charged is determined, the mobile power supply may select the number of discharged battery cells according to the voltage difference between the discharge voltage and the voltage of the battery cells, and then discharge the device to be charged. That is to say, in the embodiment of the application, although the portable power source is configured with two battery cells, the portable power source may select the discharge mode in the first discharge mode and the second discharge mode according to the discharge voltage corresponding to the device to be charged, so as to discharge in a more suitable discharge mode, and thus the voltage difference before and after voltage conversion may be reduced, and further the voltage conversion efficiency may be improved, and the loss of electric quantity may be reduced, thereby improving the intelligence of the portable power source.
An embodiment of the present application provides a computer-readable storage medium, on which a program is stored, which when executed by a processor implements the discharging method as described above.
Specifically, the program instructions corresponding to a discharge method in the present embodiment may be stored on a storage medium such as an optical disc, a hard disc, a usb disk, etc., and when the program instructions corresponding to a discharge method in the storage medium are read or executed by an electronic device, the method includes the following steps:
after connection with equipment to be charged is established, acquiring discharge voltage corresponding to the equipment to be charged through communication with the equipment to be charged; wherein the discharge voltage represents an output voltage when discharging to the to-be-charged setting;
determining a voltage difference value according to the discharge voltage, a first preset discharge voltage and a second preset discharge voltage; wherein the first preset discharge voltage is less than the second preset discharge voltage;
determining a discharge mode according to the voltage difference; the discharge mode is used for determining the number of the battery cores when the equipment to be charged is discharged;
and discharging the equipment to be charged according to the discharging mode.
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 a hardware embodiment, a 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 implementations of methods, apparatus (systems) and computer program products according to embodiments of 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 block or blocks and/or flowchart 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 block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart block or blocks in the flowchart and/or block diagram block or blocks.
The above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application.
Claims (11)
1. A method of discharging, the method comprising:
after connection with equipment to be charged is established, acquiring discharge voltage corresponding to the equipment to be charged through communication with the equipment to be charged; wherein the discharge voltage represents an output voltage when discharging to the device to be charged;
obtaining a first voltage difference value according to the discharge voltage and a first preset discharge voltage; obtaining a second voltage difference value according to the discharge voltage and a second preset discharge voltage; wherein the first preset discharge voltage is less than the second preset discharge voltage;
when the first voltage difference value is smaller than or equal to the second voltage difference value, determining that the discharge mode is a first discharge mode; determining the discharge mode as a second discharge mode when the first voltage difference is greater than the second voltage difference; the discharge mode is used for determining the number of the battery cores when the equipment to be charged is discharged; the number of the battery cells corresponding to the first discharge mode is smaller than the number of the battery cells corresponding to the second discharge mode;
and performing voltage boosting and reducing processing according to the discharge voltage and the discharge mode to obtain a target voltage, and discharging the equipment to be charged according to the target voltage.
2. The method of claim 1, wherein when the discharging mode is the first discharging mode, the discharging the device to be charged according to the discharging mode comprises:
performing voltage boosting and reducing processing on the first preset discharge voltage according to the discharge voltage to obtain a target voltage;
and discharging the equipment to be charged according to the target voltage.
3. The method of claim 2, wherein when the discharging mode is the second discharging mode, the discharging the device to be charged according to the discharging mode comprises:
performing voltage boosting and reducing processing on the second preset discharge voltage according to the discharge voltage to obtain the target voltage;
and discharging the equipment to be charged according to the target voltage.
4. The method of claim 1, wherein before determining the voltage difference value based on the discharge voltage, a first preset discharge voltage, and a second preset discharge voltage, the method further comprises:
and detecting the voltage of the battery cell to obtain the first preset discharge voltage and the second preset discharge voltage.
5. The method of claim 4, wherein after discharging the device to be charged in the discharge mode, the method further comprises:
carrying out equalization processing on the battery cell; and the equalization processing is used for balancing the voltage of the battery cell.
6. A mobile power supply, characterized in that the mobile power supply comprises: an acquisition unit, a determination unit and a discharge unit,
the acquisition unit is used for acquiring the discharge voltage corresponding to the equipment to be charged through communication with the equipment to be charged after connection with the equipment to be charged is established; wherein the discharge voltage represents an output voltage when discharging to the device to be charged;
the determining unit is used for obtaining a first voltage difference value according to the discharge voltage and a first preset discharge voltage; obtaining a second voltage difference value according to the discharge voltage and a second preset discharge voltage; wherein the first preset discharge voltage is less than the second preset discharge voltage; when the first voltage difference value is smaller than or equal to the second voltage difference value, determining that the discharge mode is a first discharge mode; and determining the discharge mode to be a second discharge mode when the first voltage difference is greater than the second voltage difference; the discharge mode is used for determining the number of the battery cores when the equipment to be charged is discharged; the number of the battery cells corresponding to the first discharge mode is smaller than the number of the battery cells corresponding to the second discharge mode;
and the discharging unit is used for performing voltage boosting and reducing processing according to the discharging voltage and the discharging mode to obtain a target voltage, and discharging the equipment to be charged according to the target voltage.
7. Mobile power supply according to claim 6,
the discharge unit is specifically configured to, when the discharge mode is the first discharge mode, perform voltage step-up and step-down processing on the first preset discharge voltage according to the discharge voltage to obtain a target voltage; and discharging the device to be charged according to the target voltage;
the discharge unit is further specifically configured to, when the discharge mode is the second discharge mode, perform voltage step-up and step-down processing on the second preset discharge voltage according to the discharge voltage to obtain the target voltage; and discharging the device to be charged according to the target voltage.
8. Mobile power supply according to claim 6,
the obtaining unit is further configured to perform voltage detection on the battery cell before determining a voltage difference value according to the discharge voltage, the first preset discharge voltage, and the second preset discharge voltage, so as to obtain the first preset discharge voltage and the second preset discharge voltage.
9. The mobile power supply according to claim 8, wherein the mobile power supply further comprises: an equalization unit for equalizing the received signal and the received signal,
the equalizing unit is used for equalizing the battery cell after discharging to the equipment to be charged according to the discharging mode; and the equalization processing is used for balancing the voltage of the battery cell.
10. A mobile power supply, comprising a processor, a memory storing instructions executable by the processor; when executed, the processor implements the method of any one of claims 1-5.
11. A computer-readable storage medium, on which a program is stored, for use in a mobile power supply, wherein the program, when executed by a processor, implements the method of any one of claims 1-5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811270964.2A CN109347163B (en) | 2018-10-29 | 2018-10-29 | Discharging method, mobile power supply and computer storage medium |
| CN202110918627.5A CN113725952B (en) | 2018-10-29 | 2018-10-29 | Discharging method, mobile power supply and computer storage medium |
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| CN201811270964.2A CN109347163B (en) | 2018-10-29 | 2018-10-29 | Discharging method, mobile power supply and computer storage medium |
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| CN202503357U (en) * | 2012-02-17 | 2012-10-24 | 深圳天珑移动技术股份有限公司 | Double-cell switching circuit |
| JP6161919B2 (en) * | 2013-02-26 | 2017-07-12 | フコクインダストリー株式会社 | Quick charger with thermal escape prevention function |
| CN203243068U (en) * | 2013-03-15 | 2013-10-16 | 陈谊安 | Mobile power supply capable of charging in subarea and discharging in series areas |
| CN203434230U (en) * | 2013-08-12 | 2014-02-12 | 深圳市百纳新能源科技有限公司 | Ligand of lithium ion battery and power supply comprising ligand |
| SG10201610038SA (en) * | 2016-07-29 | 2017-12-28 | Apple Inc | Systems and methods for management of asymmetrical multi-tapped battery packs |
| CN206611196U (en) * | 2017-02-06 | 2017-11-03 | 北京汇通亿达科技有限公司 | The multi-functional second fills charger baby |
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| CN113725952A (en) | 2021-11-30 |
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