CN109148986B - Charging method and device - Google Patents
Charging method and device Download PDFInfo
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- CN109148986B CN109148986B CN201710508720.2A CN201710508720A CN109148986B CN 109148986 B CN109148986 B CN 109148986B CN 201710508720 A CN201710508720 A CN 201710508720A CN 109148986 B CN109148986 B CN 109148986B
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- battery
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- power supply
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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
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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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
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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 embodiment of the invention provides a charging method and a charging device, relates to the technical field of batteries, and can ensure that a battery management system can still control a charging circuit to be conducted when the electric quantity of a battery of a terminal connected with a charging power supply is larger than a float charging saturation value, so that the electric quantity of the battery of the terminal is sufficient when the battery of the terminal is disconnected from the charging power supply on the premise of not influencing the service life of the battery, and the cruising ability of the terminal is further improved. Wherein, the method comprises the following steps: firstly, acquiring initial battery residual capacity of the terminal; then, comparing the initial remaining battery capacity with a first threshold; therefore, when the residual electric quantity of the battery is smaller than a first threshold value, the charging circuit is controlled to be conducted, so that the charging power supply charges the terminal battery; wherein the first threshold is greater than a float saturation threshold. The technical scheme provided by the invention is suitable for the process of charging the battery.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of batteries, in particular to a charging method and a charging device.
[ background of the invention ]
In the process of charging the battery, when the battery is fully charged, if the battery is still connected with a power supply, the battery keeps trickle charge, the battery enters a floating charge state, and the floating charge reduces the service life of the battery. In order to avoid the occurrence of float charging and improve the service life of the battery, in the prior art, when a personal computer is connected with a charging power supply and a battery management system of the personal computer detects that the current battery electric quantity value is lower than a battery float charging saturation value, the battery management system starts a charging process to charge the battery, and the battery management system controls to stop charging after the battery is charged to a full charging amount.
In the process of implementing the invention, the inventor finds that at least the following technical problems exist in the prior art:
in a portable terminal such as a mobile phone, an MP4 player, a tablet computer, etc., a battery is generally used to continue a journey by using energy stored in the battery of the terminal, and therefore, if a charging method in the prior art is used to control charging by directly using a relation between a state of charge (SOC) of the battery of the terminal and a float saturation value on the premise of ensuring a service life of the battery, when the battery of the terminal such as the mobile phone, the MP4 player, etc. is greater than the float saturation value, a charging power supply does not operate on the battery of the terminal, and the battery capacity does not reach a full charge amount, so that the battery life of the terminal is low.
[ summary of the invention ]
In view of this, embodiments of the present invention provide a charging method and apparatus, which can ensure that a battery management system can still control a charging circuit to be turned on when a battery capacity of a terminal connected to a power supply is greater than a float saturation value, so as to ensure that the battery capacity of the terminal is sufficient when the battery of the terminal is disconnected from the charging power supply without affecting the service life of the battery, and further improve the cruising ability of the terminal.
In a first aspect, an embodiment of the present invention provides a charging method, which is applicable to a terminal, and the method includes:
acquiring the initial battery residual capacity of the terminal;
comparing the initial battery remaining capacity with a first threshold;
when the initial battery residual capacity is smaller than a first threshold value, controlling a charging circuit to be conducted so that a charging power supply charges the terminal battery;
wherein the first threshold is greater than a float saturation threshold.
The above-mentioned aspect and any possible implementation manner further provide an implementation manner, after controlling the charging circuit to conduct when the initial remaining battery capacity is smaller than the first threshold value, so that the charging power supply charges the terminal battery, further including:
when the charging is determined to be cut off, disconnecting the charging circuit and detecting the residual battery capacity of the terminal;
comparing the residual battery capacity with a float saturation threshold;
and when the residual electric quantity of the battery is smaller than the float charging saturation threshold value, the charging circuit is conducted so that the charging power supply charges the terminal battery.
The above-mentioned aspects and any possible implementation manner further provide an implementation manner, before disconnecting the charging circuit and detecting the remaining battery capacity of the terminal after determining that the charging is cut off, further including:
monitoring the charging state to judge whether a charge cut-off condition is met;
and when the charging cutoff condition is judged to be met, stopping charging the battery.
The above-mentioned aspect and any possible implementation manner further provide an implementation manner, before acquiring the initial battery remaining capacity SOC of the terminal, further including:
detecting whether the voltage of a charging interface of the terminal changes or not;
and when the voltage change is detected, starting the charging management system.
The above aspect and any possible implementation manner further provide an implementation manner, wherein the first threshold is any value in a range from 98% to 100% of a full charge amount of the battery, and a value of the first threshold does not include the full charge amount of the battery; the float saturation threshold value is any value within the range of 80% to 95% of the full charge amount of the battery.
In a second aspect, an embodiment of the present invention provides a charging apparatus, including:
the acquisition unit is used for acquiring the initial battery residual capacity of the terminal;
a first comparing unit for comparing the initial battery remaining capacity with a first threshold;
the first control unit is used for controlling the charging circuit to be conducted when the initial battery residual capacity is smaller than a first threshold value, so that the charging power supply charges the terminal battery;
wherein the first threshold is greater than a float saturation threshold.
The above-described aspects and any possible implementations further provide an implementation, where the apparatus further includes:
the second control unit is used for disconnecting the charging circuit and detecting the residual battery capacity of the terminal after the charging is determined to be cut off;
the second comparison unit is used for comparing the residual electric quantity of the battery with a float saturation threshold value;
the first control unit is further configured to control the charging circuit to be turned on when the current remaining battery capacity is smaller than a float saturation threshold, so that the charging power supply charges the terminal battery.
The above-described aspects and any possible implementations further provide an implementation, where the apparatus further includes:
the monitoring unit is used for monitoring the charging state to judge whether a charging cut-off condition is met;
a determination unit for stopping charging the battery when it is judged that the charge cutoff condition is satisfied.
The above-described aspects and any possible implementations further provide an implementation, where the apparatus further includes:
the detection unit is used for detecting whether the voltage of a charging interface of the terminal changes or not;
and the starting unit is used for starting the charging management system when detecting that the voltage changes.
The above aspect and any possible implementation manner further provide an implementation manner, where the first threshold is any value in a range from 98% to 100% of a full charge amount of a battery, where a value of the first threshold does not include the full charge amount of the battery; the float saturation threshold value is any value within the range of 80% to 95% of the full charge amount of the battery.
The technical scheme provided by the embodiment of the invention is that a first threshold value which is larger than a float saturation threshold value is preset, a battery management system of a terminal immediately acquires initial residual electric quantity of the terminal at the moment when the connection between the terminal and a charging power supply is finished, the initial residual electric quantity of the battery acquired when the terminal is connected with the charging power supply is compared with the first threshold value, so that the battery management system can still control the conduction of a charging circuit when the initial residual electric quantity of the battery of the terminal is larger than the float saturation threshold value of the terminal, so that the charging power supply charges a battery at the terminal, and the battery management system of the terminal determines a first conduction mechanism of the charging circuit according to the first threshold value in the connection process of the terminal and the charging power supply, so that the sufficient electric quantity of the battery of the terminal is ensured after the terminal is disconnected with the charging power supply on the premise of not influencing the service life of the, and further improve the endurance of the terminal.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic flow chart of a charging method according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of another charging method according to an embodiment of the present invention;
fig. 3 is a schematic flow chart of another charging method according to an embodiment of the present invention;
fig. 4 is a schematic flow chart of another charging method according to an embodiment of the present invention;
fig. 5 is a schematic flow chart of another charging method according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a charging device according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of another charging device according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of another charging device according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of another charging device according to an embodiment of the present invention.
[ detailed description ] embodiments
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrases "if determined" or "if detected (a stated condition or event)" may be interpreted as "when determined" or "in response to a determination" or "when detected (a stated condition or event)" or "in response to a detection (a stated condition or event)", depending on the context.
The embodiment of the invention provides a charging method, which is suitable for a terminal, wherein the flow chart of the method is shown in figure 1, and the method comprises the following steps:
101. and acquiring the initial residual battery capacity of the terminal.
The execution main body is used for acquiring the initial residual battery capacity of the terminal after the terminal is connected with the charging power supply and the charging power supply does not charge the battery of the terminal. The connection of the terminal and the charging power supply means the moment that the terminal and the charging power supply are connected together in a space position through a charger or in other modes to form an integral device.
The battery remaining capacity (State of Charge) may be used to indicate a relationship between the battery capacity and a rated capacity of the battery, and the battery management system of the terminal determines the battery capacity of the terminal according to the battery remaining capacity. The initial battery residual capacity refers to the terminal battery residual capacity when the terminal is not charged by the charging power supply after the terminal is connected with the charging power supply.
102. The initial battery remaining capacity is compared with a first threshold.
The first threshold is used for judging whether the battery of the terminal is allowed to be charged or not when the terminal is connected with the charging power supply, and the first threshold is larger than the floating charge saturation threshold. The floating saturation threshold will be described in the following embodiments, and will not be described herein.
Specifically, when a user charges a terminal by using a charger, the user often encounters poor contact of the charger and unstable charging voltage, and particularly, in the process of charging by using an on-board or on-board device, a battery management system of the terminal such as a mobile phone repeatedly judges that the charger is connected, so that when the device is fully charged or is close to being fully charged, the battery is repeatedly charged, the battery is in a floating state, the service life of the battery is shortened, and the internal resistance of the battery is deteriorated. In addition, in order to ensure that the battery capacity of the terminal is greater than the float saturation threshold, the charging power supply can still charge the terminal, and ensure that the battery capacity has enough capacity each time the terminal is disconnected from the charging power supply, so the capacity value represented by the set first threshold is close to the rated capacity value of the battery as much as possible. Therefore, the first threshold may be any value in a range from 98% to 100% of the full charge capacity of the battery, wherein the value of the first threshold does not include the full charge capacity of the battery.
It should be noted that the value range of the first threshold setting is only an optimal solution, and the value range of the first threshold setting can be flexibly set according to different requirements, different application conditions, and the like.
103. And when the initial battery residual capacity is smaller than a first threshold value, controlling a charging circuit to be conducted so that a charging power supply charges the terminal battery.
The charging circuit is turned on, that is, when the terminal is connected with the charging power supply, current flows into the battery of the terminal from the charging power supply. That is, the charging circuit is turned on, which means that a current flows through the charging circuit.
When the charging power supply charges the terminal, the battery management system of the terminal may use a constant-current constant-voltage charging mode, a distributed charging mode, or a pulse charging mode, and the like for charging, which is not limited in the present invention.
It is supplementary noted that, when it is determined that the initial remaining battery capacity is greater than the first threshold, the battery management system controls the charging circuit to be non-conductive, and the charging power supply does not charge the terminal battery.
It should be noted that the terminal may include, but is not limited to, a Personal Digital Assistant (PDA), a wireless handheld device, a Tablet Computer (Tablet Computer), a mobile phone, an MP4 player, and the like.
The charging method provided by the embodiment of the invention is characterized in that a first threshold value which is larger than a float saturation threshold value is preset, a battery management system of the terminal immediately acquires initial residual electric quantity of the terminal at the moment when the connection between the terminal and a charging power supply is finished, the initial residual electric quantity of the battery acquired when the terminal is connected with the charging power supply is compared with the first threshold value, so that the battery management system can still control the conduction of a charging circuit when the initial residual electric quantity of the battery of the terminal is larger than the float saturation threshold value of the terminal, the charging power supply charges a battery at the terminal, the battery management system of the terminal determines a first conduction mechanism of the charging circuit according to the first threshold value in the connection process of the terminal and the charging power supply, and the sufficient electric quantity of the battery of the terminal is ensured after the terminal is disconnected with the charging power supply on the premise of not influencing the service life of the battery, and further improve the endurance of the terminal.
Further, with reference to the foregoing flow, when the terminal battery is fully charged and still connected to the charging power supply for a long time, the battery of the terminal may self-discharge, so that, in order to not affect the service life of the battery and ensure that the electric quantity of the terminal battery is sufficient when the terminal is disconnected from the charging power supply, an embodiment of the present invention provides another implementation manner, as shown in fig. 2, when step 103 is executed, and when the initial remaining electric quantity of the battery is less than a first threshold, the method further includes:
104. and when the charging is determined to be cut off, disconnecting the charging circuit and detecting the residual battery capacity of the terminal.
Wherein, disconnecting the charging circuit includes two situations: the first is that the battery management system of the terminal controls the charging circuit to be disconnected, and the terminal is still connected with the charging power supply in a spatial position, namely the charging circuit is controlled to be not conducted with the charging power supply, and no current flows in the charging circuit; the second is that the terminal is disconnected from the charging power supply in spatial position.
Since there will be no process of charging the terminal by the charging power supply when the terminal is disconnected from the charging power supply in the spatial position, this situation is not considered in the embodiment of the present invention.
105. And comparing the current residual battery capacity with a float saturation threshold value.
The float saturation threshold is generally set to any value within a range of 80% to 95% of the full charge amount of the battery. In order to ensure that the battery has enough electric quantity to maintain endurance when the terminal is disconnected from the charger, and reduce the number of times of repeated charging of the battery in the current connection process of the terminal and the charging power supply, and improve the service life of the battery, the value of the float saturation threshold is preferably 90% to 95% of the full charge capacity of the battery.
It should be noted that the value range of the float saturation threshold setting is only an optimal scheme, and the value range of the float saturation threshold setting can be flexibly set according to different requirements, different application conditions and the like.
106. And when the residual electric quantity of the battery is smaller than the float charging saturation threshold value, the charging circuit is conducted so that the charging power supply charges the terminal battery.
Further, to achieve the above operation, a determination is made as to whether the terminal battery completes the first charging in the connection process with the charging power supply, and for this purpose, an embodiment of the present invention provides another implementation manner, as shown in fig. 3, before the step 104 is executed, after the determination that the charging is ended, and before the charging circuit is disconnected and the current remaining battery capacity of the terminal is detected in real time, the method further includes:
107. the state of charge is monitored to determine whether a charge cutoff condition is satisfied.
Wherein the charge cutoff condition may be expressed in at least one parameter of a charge cutoff voltage, a charge cutoff current, a current remaining capacity value of the battery, and/or a charge time.
108. And when the charging cutoff condition is judged to be met, stopping charging the battery.
Specifically, the description will be given with reference to the expression of the charge time in the charge cutoff condition. When the battery management system of the terminal detects that the battery enters a specified voltage UcAnd starting timing in the constant-voltage charging stage, and judging that a charging ending condition is met when the charging timing reaches the specified preset time, and determining the charging ending.
Or, specifically, when the charge cut-off condition is represented by a charge cut-off current, the battery management system of the terminal monitors the charge current of the battery in real time, and when the charge current of the battery is monitored to be less than or equal to a specified current IsAnd if so, judging that the charging cut-off condition is met, and determining the charging cut-off.
It should be noted that the specific example of the above formula is only a specific implementation process provided based on two different representations of the charge cut-off condition, and the specific implementation process based on other different representations of the charge cut-off condition is the same as the two specific implementation processes provided above, and the present invention is not described herein again.
It should be noted that, when it is determined that the charge-up cutoff condition is not satisfied, the charging power supply continues to charge the battery of the terminal until the battery management system of the terminal determines that the charge state of the battery satisfies the charge-up cutoff condition, and stops charging.
Further, in order to enable the terminal to know whether itself is connected to the charging power supply to determine whether the above operation needs to be performed, as shown in fig. 4, before the step 101 of acquiring the initial battery remaining capacity SOC of the terminal, another implementation manner of the embodiment of the present invention further includes:
109. and detecting whether the voltage of a charging interface of the terminal changes or not.
When the charging interface of the terminal is connected with a charging power supply through a Universal Serial Bus (USB), or is connected with the charging power supply through other methods, the battery management system of the terminal can detect a specified voltage value from the charging interface of the terminal; when the terminal is not connected with the charging power supply, the battery management system of the terminal cannot detect the voltage from the battery management system of the terminal, so that the battery management system of the terminal can judge whether the terminal is connected with the charging power supply by detecting whether the voltage of the charging interface of the terminal changes or not.
110. And when the voltage change is detected, starting the charging management system.
The battery management system of the terminal can judge whether the terminal is connected with the charging power supply by detecting whether the voltage of the charging interface of the terminal changes.
Specifically, when a battery management system of the terminal detects that the voltage of a charging interface of the terminal changes from 0 volt to a specified voltage value, the terminal is determined to be connected with a charging power supply; when the battery management system of the terminal detects that the voltage of the charging interface of the terminal is changed from the specified voltage value to 0V, the disconnection between the terminal and the charging power supply is determined.
It should be noted that the above detailed description is only an implementation manner provided based on the idea of the present invention, and is not a limitation to the present invention, and all implementations provided based on the idea set forth in the present invention are within the protection scope of the present invention.
Based on the above charging method, in combination with a specific application, an embodiment of the present invention provides another charging method, where in the specific application, the first threshold is set to 99% of the full charge capacity of the battery, the float saturation threshold is set to 90% of the full charge capacity of the battery, and the charging mode of the terminal is constant-current and constant-voltage charging.
Fig. 5 is a flowchart of the charging method, and the method specifically includes:
step 1, when a terminal is connected with a charger, acquiring the initial residual battery capacity of the terminal.
And 2, judging whether the initial residual battery capacity is less than or equal to 99%. If yes, executing step 3, otherwise executing step 5.
And 3, charging the terminal.
Wherein, the charging process is: and charging with a constant current with the current as the rated charging current Ic until the battery voltage reaches the rated voltage Uc, wherein the charging process is changed into constant-voltage charging with the voltage as the rated charging voltage Uc.
And 4, judging whether the charging cut-off condition is met. If not, executing the step 3; otherwise, step 5 is executed.
Wherein the charge cut-off condition Is that the charge current of the constant voltage charge Is less than or equal to the cut-off current Is.
And 5, disconnecting the charging circuit, and detecting the current residual battery capacity of the terminal in real time if the charger is continuously connected.
And 6, judging whether the current battery residual capacity of the terminal is less than 90%. If yes, executing step 3; if not, executing step 5.
The charging method provided by the embodiment of the invention is characterized in that a first threshold value which is larger than a float saturation threshold value is preset, a battery management system of the terminal immediately acquires initial residual electric quantity of the terminal at the moment when the connection between the terminal and a charging power supply is finished, the initial residual electric quantity of the battery acquired when the terminal is connected with the charging power supply is compared with the first threshold value, so that the battery management system can still control the conduction of a charging circuit when the initial residual electric quantity of the battery of the terminal is larger than the float saturation threshold value of the terminal, the charging power supply charges a battery at the terminal, the battery management system of the terminal determines a first conduction mechanism of the charging circuit according to the first threshold value in the connection process of the terminal and the charging power supply, and the sufficient electric quantity of the battery of the terminal is ensured after the terminal is disconnected with the charging power supply on the premise of not influencing the service life of the battery, and further improve the endurance of the terminal.
Based on the above charging method, an embodiment of the present invention further provides a charging device, which is suitable for a terminal, and a schematic structural diagram of the charging device is shown in fig. 6, where the charging device includes:
an obtaining unit 21, configured to obtain an initial battery remaining capacity of the terminal.
A first comparing unit 22, configured to compare the initial remaining battery capacity with a first threshold.
Wherein the first threshold is greater than a float saturation threshold.
And the first control unit 23 is configured to control the charging circuit to be turned on when the initial remaining battery capacity is smaller than a first threshold, so that the charging power supply charges the terminal battery.
Optionally, as shown in fig. 7, the apparatus further includes:
and a second control unit 24 for disconnecting the charging circuit and detecting a remaining battery capacity of the terminal, when it is determined that the charging is terminated.
And a second comparing unit 25, configured to compare the remaining battery capacity with a float saturation threshold.
The first control unit 23 is further configured to control the charging circuit to be turned on when the remaining battery capacity is smaller than the float saturation threshold, so that the charging power supply charges the terminal battery.
Optionally, as shown in fig. 8, the apparatus further includes:
and a monitoring unit 26 for monitoring the charging state to determine whether the charge cut-off condition is satisfied.
A determination unit 27 for stopping charging the battery when it is judged that the charge cutoff condition is satisfied.
Optionally, as shown in fig. 9, the apparatus further includes:
a detection unit 28 for detecting whether a voltage of a charging interface charging the terminal itself is changed;
and a starting unit 29 for starting the charging management system when detecting that the voltage changes.
Optionally, the first threshold is any value in a range from 98% to 100% of a full charge capacity of the battery, where a value of the first threshold does not include the full charge capacity of the battery; the float saturation threshold value is any value within the range of 80% to 95% of the full charge amount of the battery.
The charging device provided by the embodiment of the invention presets a first threshold which is larger than a float saturation threshold, a battery management system of the terminal immediately acquires initial residual electric quantity of the terminal at the moment when the connection between the terminal and a charging power supply is finished, the battery management system can still control the conduction of the charging circuit by comparing the initial residual electric quantity of the battery acquired when the terminal is connected with the charging power supply with the first threshold, so that the charging power supply charges the battery of the terminal, and further the battery management system of the terminal determines a mechanism of the first conduction of the charging circuit according to the first threshold in the process of connecting the terminal and the charging power supply, so that the sufficient electric quantity of the battery of the terminal is ensured after the terminal is disconnected with the charging power supply on the premise of not influencing the service life of the battery, and further improve the endurance of the terminal.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments provided in the present invention, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions in actual implementation, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention 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 in a form of hardware plus a software functional unit.
The integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) or a Processor (Processor) to execute some steps of the methods according to the embodiments of the present invention. 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.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. A method of charging, the method comprising:
acquiring initial battery residual capacity of a terminal, wherein the initial battery residual capacity refers to the battery residual capacity of the terminal when the charging power supply does not charge the terminal for the first time in the connection process of the terminal and the charging power supply after the terminal is connected with the charging power supply, and the connection of the terminal and the charging power supply refers to the connection of the terminal and the charging power supply on a spatial position;
comparing the initial battery remaining capacity with a first threshold;
when the initial battery residual capacity is smaller than a first threshold value, controlling a charging circuit to be conducted so that the charging power supply charges the terminal battery;
wherein the first threshold is greater than a float saturation threshold;
after controlling the charging circuit to conduct when the initial remaining battery capacity is smaller than a first threshold value, so that the charging power supply charges the terminal battery, the method further includes:
when the charging is determined to be cut off, disconnecting the charging circuit and detecting the residual battery capacity of the terminal;
comparing the residual battery capacity with a float saturation threshold;
when the residual electric quantity of the battery is smaller than the float charge saturation threshold value, a charging circuit is conducted so that a charging power supply can charge the terminal battery;
the first threshold value is any value in the range of 98% to 100% of the full charge capacity of the battery, wherein the value of the first threshold value does not include the full charge capacity of the battery; the float saturation threshold value is any value within the range of 80% to 95% of the full charge amount of the battery.
2. The method of claim 1, further comprising, before disconnecting the charging circuit and detecting the remaining battery capacity of the terminal after determining that the charging is terminated:
monitoring the charging state to judge whether a charge cut-off condition is met;
and when the charging cutoff condition is judged to be met, stopping charging the battery.
3. The method of claim 2, further comprising, before obtaining the initial battery state of charge (SOC) of the terminal:
detecting whether the voltage of a charging interface of the terminal changes or not;
and when the voltage change is detected, starting the charging management system.
4. A charging device, the device comprising:
the terminal comprises an acquisition unit, a storage unit and a processing unit, wherein the acquisition unit is used for acquiring the initial battery residual capacity of the terminal, the initial battery residual capacity refers to the battery residual capacity of the terminal when the charging power supply does not charge the terminal for the first time in the connection process of the terminal and the charging power supply after the terminal is connected with the charging power supply, and the connection of the terminal and the charging power supply refers to the connection of the terminal and the charging power supply on a spatial position;
a first comparing unit for comparing the initial battery remaining capacity with a first threshold;
the first control unit is used for controlling the conduction of a charging circuit when the initial battery residual capacity is smaller than a first threshold value, so that the charging power supply charges the terminal battery;
wherein the first threshold is greater than a float saturation threshold;
the device further comprises:
the second control unit is used for disconnecting the charging circuit and detecting the residual battery capacity of the terminal after the charging is determined to be cut off;
the second comparison unit is used for comparing the residual electric quantity of the battery with a float saturation threshold value;
the first control unit is further used for controlling a charging circuit to be conducted when the residual electric quantity of the battery is smaller than a float charging saturation threshold value, so that the charging power supply charges the terminal battery;
the first threshold value is any value in the range of 98% to 100% of the full charge capacity of the battery, wherein the value of the first threshold value does not include the full charge capacity of the battery; the float saturation threshold value is any value within the range of 80% to 95% of the full charge amount of the battery.
5. The apparatus of claim 4, further comprising:
the monitoring unit is used for monitoring the charging state to judge whether a charging cut-off condition is met;
a determination unit for stopping charging the battery when it is judged that the charge cutoff condition is satisfied.
6. The apparatus of claim 5, further comprising:
the detection unit is used for detecting whether the voltage of a charging interface of the terminal changes or not;
and the starting unit is used for starting the charging management system when detecting that the voltage changes.
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| TWI693167B (en) * | 2019-02-19 | 2020-05-11 | 驊曜科技有限公司 | Method for displaying residual electricity of a vehicle during charging and operation |
| CN110198068B (en) * | 2019-06-28 | 2023-07-14 | 歌尔科技有限公司 | Charging control method and charging device |
| CN110843604B (en) * | 2019-10-24 | 2022-10-14 | 金龙联合汽车工业（苏州）有限公司 | Method for preventing overvoltage caused by repeated charging of power battery |
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| CN103326432A (en) * | 2013-06-20 | 2013-09-25 | 广东欧珀移动通信有限公司 | Battery charging control method and system of electronic equipment |
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