CN113809793A - Charging control method, device, equipment and storage medium - Google Patents
Charging control method, device, equipment and storage medium Download PDFInfo
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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
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00036—Charger exchanging data with battery
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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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
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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
- 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
- H02J7/00714—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery charging or discharging current
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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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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Abstract
The present disclosure relates to the field of charging, and in particular, to a charging control method, apparatus, device, and storage medium. The method comprises the following steps: when the charging process of the charging device for the charged device is started, increasing the real-time charging current of the charging device for the charged device; acquiring real-time heat dissipation power; in the process of increasing the real-time charging current, when the real-time heat dissipation power is increased to the maximum heat dissipation power, reducing the real-time charging current; in the process of reducing the real-time charging current, when the real-time heat dissipation power is reduced to a preset fourth power threshold, the reduction of the real-time charging current is stopped, and the real-time charging current is maintained unchanged, wherein the fourth power threshold is smaller than the maximum heat dissipation power. The problem of charging inefficiency is charged with fixed current in order to solve linear charging mode to this application.
Description
Technical Field
The present disclosure relates to the field of charging, and in particular, to a charging control method, apparatus, device, and storage medium.
Background
At present, the use of mobile electronic devices is very common in people's productive life. How to charge the mobile electronic device is also an important issue.
In the prior art, a mobile electronic device adopts a linear charging mode. The mobile electronic device is used as a charged device and is connected with the charging device through the charging connecting device, and the charging device charges the charged device through the charging connecting device. When a linear charging mode is adopted, the maximum charging current is limited by the heat dissipation power which can be borne by the charging connecting device, so that the charging current is generally small, and after the charging constant current stage is started, the charging current is only set to be a fixed current, so that the charging time is long, and the charging efficiency is low.
Meanwhile, some charging devices are designed for constant power output. When the charging device is charged by the charging device through the charging connection device, the voltage output by the charging device is different due to the heat dissipation power on the charging connection device, so that the charging time is further prolonged, and the charging efficiency is reduced.
Disclosure of Invention
The application provides a charging control method, a charging control device, charging control equipment and a storage medium, which are used for solving the problems that a linear charging mode is used for charging with fixed current and the charging efficiency is low.
In a first aspect, an embodiment of the present application provides a charging control method, including: when a charging process of a charged device for a charged device is started, increasing a real-time charging current of the charged device for charging the charged device; acquiring real-time heat dissipation power, wherein the heat dissipation power is real-time power consumed by a charging connecting device connecting the charging device and the charged device when the charging device charges the charged device; reducing the real-time charging current when the real-time heat dissipation power increases to a maximum heat dissipation power in the process of increasing the real-time charging current, wherein the maximum heat dissipation power is the maximum value of the heat dissipation power which can be borne by the charging connection device; in the process of reducing the real-time charging current, when the real-time heat dissipation power is reduced to a preset fourth power threshold, the reduction of the real-time charging current is stopped, and the real-time charging current is maintained unchanged, wherein the fourth power threshold is smaller than the maximum heat dissipation power.
Optionally, the obtaining real-time heat dissipated power includes: when the charging device charges the charged device, acquiring the real-time charging current, a first real-time voltage and a second real-time voltage; calculating to obtain the real-time heat dissipation power according to the real-time charging current, the first real-time voltage and the second real-time voltage; wherein the first real-time voltage is an output voltage of the charging device; the second real-time voltage is an input voltage of the charged device.
Optionally, the calculating the real-time heat dissipation power according to the real-time charging current, the first real-time voltage, and the second real-time voltage includes: calculating the real-time heat dissipation power according to the following formula: real-time thermal dissipation power (first real-time voltage-second real-time voltage) x real-time charging current.
Optionally, when maintaining the real-time charging current, the method further includes: when the real-time heat dissipation power is reduced to a preset first power threshold value, the real-time charging current is increased.
Optionally, when the real-time charging current is increased when the real-time heat dissipation power decreases to a preset first power threshold, the method further includes: when the real-time heat dissipation power is increased to the fourth power threshold, stopping increasing the real-time charging current, and maintaining the real-time charging current unchanged until the real-time heat dissipation power is reduced to the first power threshold again.
Optionally, the increasing the real-time charging current when the charging device charges the charged device further includes: acquiring a first real-time voltage, wherein the first real-time voltage is an output voltage of the charging device; and when the voltage value of the first real-time voltage is not reduced, reducing the real-time charging current.
Optionally, when the real-time charging current is reduced when the voltage value of the first real-time voltage is not decreased, the method further includes: when the real-time heat dissipation power is equal to or smaller than the fourth power threshold, stopping reducing the real-time charging current, and maintaining the real-time charging current unchanged.
In a second aspect, an embodiment of the present application provides a charge control device, including: the current increasing module is used for increasing the real-time charging current when the charging device charges the charged device when the charging process of the charged device for the charged device is started; the power acquisition module is used for acquiring real-time heat dissipation power, wherein the heat dissipation power is real-time power consumed by a charging connecting device which connects the charging device with the charged device when the charging device charges the charged device; a current reduction module for reducing the real-time charging current when the real-time heat dissipation power increases to a maximum heat dissipation power in the process of increasing the real-time charging current, wherein the maximum heat dissipation power is the maximum value of the heat dissipation power that the charging connection device can bear; and the current maintaining module is used for stopping reducing the real-time charging current and maintaining the real-time charging current unchanged when the real-time heat dissipation power is reduced to a preset fourth power threshold in the process of reducing the real-time charging current.
In a third aspect, an embodiment of the present application provides an electronic device, including: the system comprises a processor, a memory and a communication bus, wherein the processor and the memory are communicated with each other through the communication bus; the memory for storing a computer program; the processor is configured to execute the program stored in the memory, and implement the charging control method according to the first aspect.
In a fourth aspect, an embodiment of the present application provides a computer-readable storage medium, which stores a computer program, and the computer program, when executed by a processor, implements the charging control method according to the first aspect.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages: according to the method provided by the embodiment of the application, when the charging process of the charged device is started, the real-time charging current is continuously increased. When the real-time charging current is increased, the real-time heat dissipation power consumed by the charging connection device through which the real-time charging current flows is also increased continuously, and when the real-time heat dissipation power is increased to the maximum heat dissipation power, the real-time charging current is reduced. When the real-time charging current decreases, the real-time heat dissipation power consumed by the charging connection device through which the real-time charging current flows also decreases. And when the real-time heat dissipation power is reduced to a preset fourth power threshold, stopping reducing the real-time charging current, and maintaining the real-time charging current unchanged.
According to the method, in the process that the charging device charges the charged device, the real-time charging current is dynamically adjusted according to the real-time heat dissipation power. The real-time charging current is continuously increased when the real-time heat dissipation power is not increased to the maximum heat dissipation power of the charging connection device. The larger the charging current is, the shorter the charging time taken for the charging device to be fully charged, and the higher the charging efficiency is. When the real-time heat dissipation power is increased to the maximum heat dissipation power, the real-time charging current is immediately reduced, and damage to the charging connection device is avoided. In the process of reducing the real-time charging current, when the real-time heat dissipation power is reduced to a preset fourth power threshold, the real-time charging current is not reduced any more, but the real-time charging current is maintained unchanged. By presetting the specific numerical value of the fourth power threshold, the real-time charging current can be maintained at a larger value, and the charging efficiency is further improved. The method can dynamically adjust the charging current in real time, avoid the situations of charging with fixed current and long charging time caused by constant power output of the charging device, shorten the charging time and improve the charging efficiency.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic structural connection diagram of a charging device, a charging connection device and a device to be charged provided in an embodiment of the present application;
fig. 2 is a first schematic flow chart illustrating a charging control method implemented in an embodiment of the present application;
fig. 3 is a schematic flow chart illustrating a second implementation process of the charging control method provided in the embodiment of the present application;
fig. 4 is a schematic flow chart illustrating a third implementation of the charging control method provided in the embodiment of the present application;
fig. 5 is a schematic structural connection diagram of a charging control device provided in an embodiment of the present application;
fig. 6 is a schematic structural connection diagram of an electronic device provided in an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, 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, and it is obvious that the described embodiments are some embodiments of the present application, but 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 application.
The charging control method provided by the embodiment of the application is applied to the process that the charging device charges the charged device. As shown in fig. 1, the charging device 101 is a device for providing electric energy, and the device may be any one of a charger, and other types of electric energy providing devices, and when the charging device 101 is a device such as a charger that cannot provide electric energy by itself, the charging device 101 may be connected to other energy supply equipment. The charging device 101 is connected to a charged device 103 through a charging connection device 102. The charging connection device 102 is any connection device that provides a power transmission path such as a connection circuit. The charged device 103 is a device that needs to be supplied with electric energy, and may be a built-in battery of a mobile electronic device such as a smart phone, a tablet computer, or a notebook computer, or a separate battery that can be charged, or any other device that needs electric energy.
The charging control method provided by the embodiment of the application is implemented in the charged device 103. Specifically, the charged device 103 includes a control center capable of implementing the method, for example, when the charged device 103 is a smart phone, the method is implemented in a power management chip of the smart phone.
In one embodiment, as shown in fig. 2, a charging control method is implemented by the following specific steps:
In this embodiment, when the charging device starts to charge the device to be charged, for example, the mobile phone charger is inserted into the mobile phone charging hole through the connection line, and starts to charge the mobile phone, the real-time charging current may increase from a preset initial current value, which may be set according to actual conditions and needs, for example, the initial current value is set to 0 ampere (amp, abbreviated as a), or the initial current value is set to 0.5A.
When the charging process is started, the real-time charging current is increased from the initial current value continuously, and the increasing rate can be set according to actual conditions, experimental data and/or empirical data. The scope of the present application is not limited to the specific values of the manner in which the rate of increase is set.
In this embodiment, the voltage difference across the charging connection device changes due to the constant change in the real-time charging current flowing through the charging connection device and due to the progress of the charging process, and the real-time heat dissipation power of the charging connection device also changes due to the change in the real-time charging current and the voltage difference.
In one embodiment, the real-time heat dissipation power is obtained by the following specific implementation process: when the charging device is used for charging the charged device, acquiring real-time charging current, first real-time voltage and second real-time voltage; and calculating to obtain real-time heat dissipation power according to the real-time charging current, the first real-time voltage and the second real-time voltage. The first real-time voltage is the output voltage of the charging device; the second real-time voltage is the input voltage of the charged device.
In this embodiment, as can be seen from fig. 1, the output voltage of the charging device is the input voltage of the charging connection device, that is, the first real-time voltage is equal to the input voltage of the charging connection device; similarly, the input voltage of the charged device is the output voltage of the charging connection device, that is, the second real-time voltage is equal to the output voltage of the charging connection device.
In a specific embodiment, the real-time heat dissipation power is calculated according to the real-time charging current, the first real-time voltage, and the second real-time voltage, and may be calculated according to a specific formula, specifically, the real-time heat dissipation power is calculated according to the following formula:
real-time thermal dissipation power (first real-time voltage-second real-time voltage) x real-time charging current.
In this embodiment, the voltage drop across the charging connection device is obtained by subtracting the second real-time voltage from the first real-time voltage, and the real-time charging current flowing through the charging connection device is multiplied by the voltage drop across the charging connection device, so as to obtain the real-time heat dissipation power of the charging connection device.
In this embodiment, the first real-time voltage and the second real-time voltage can be obtained through a simple voltage acquisition device, and simultaneously, the real-time charging current can be obtained through a simple current acquisition device. The above calculation formula is simple in logic, and through the above calculation formula, the real-time heat dissipation power of the charging connection device can be conveniently obtained, so that the convenience of real-time charging current adjustment is improved, and the situation that the real-time heat dissipation power obtained due to the complex processing process is greatly delayed and the sensitivity of the real-time charging current adjustment is influenced is avoided.
In step 203, in the process of increasing the real-time charging current, when the real-time heat dissipation power is increased to the maximum heat dissipation power, the real-time charging current is decreased, wherein the maximum heat dissipation power is the maximum value of the heat dissipation power that the charging connection device can bear.
In this embodiment, the real-time heat dissipation power of the charging connection device is the most important limiting factor for the charging current not to be too large. During the course of increasing the real-time charging current, it is ensured that the real-time heat dissipation power cannot exceed the maximum heat dissipation power of the charging connection device. When the real-time heat dissipation power reaches the maximum heat dissipation power, the real-time charging current is immediately reduced to avoid the damage of the charging connection device.
And 204, in the process of reducing the real-time charging current, when the real-time heat dissipation power is reduced to a preset fourth power threshold, stopping reducing the real-time charging current, and maintaining the real-time charging current unchanged, wherein the fourth power threshold is smaller than the maximum heat dissipation power.
In this embodiment, in order to ensure the charging efficiency, the real-time charging current cannot be reduced all the time, so the fourth power threshold is preset, and when the real-time heat dissipation power is reduced to the preset fourth power threshold, the reduction of the real-time charging current is stopped, and the real-time charging current is maintained unchanged.
The specific value of the fourth power threshold may be set according to actual conditions, experimental data, and/or empirical data, as long as it is ensured that the real-time charging current is large on the premise that the real-time heat dissipation power is not greater than the maximum heat dissipation power. Therefore, the device can be prevented from being damaged, and the charging efficiency can be higher.
In one embodiment, when the real-time charging current is constant, the input voltage of the charged device, i.e. the second real-time voltage, is continuously increased due to the continuous increase of the charging time, and when the output voltage of the charging device, i.e. the first real-time voltage, is constant, the real-time heat dissipation power is continuously reduced. In the charging process, the real-time heat dissipation power is continuously monitored, and when the real-time charging current is maintained to be unchanged, the real-time charging current is increased when the real-time heat dissipation power is reduced to a preset first power threshold value.
In this embodiment, the first power threshold is smaller than the fourth power threshold, the first power threshold is preset according to actual conditions, experimental data and/or empirical data, and the protection range of the present application is not limited by the setting manner and the specific numerical value of the first power threshold. When the real-time heat dissipation power is reduced to the first power threshold, the real-time charging current is increased again, so that the charging time is further shortened, and the charging efficiency is improved.
In one embodiment, when the real-time charging current is increased when the real-time heat dissipation power is decreased to the preset first power threshold, the increase of the real-time charging current is stopped when the real-time heat dissipation power is increased to the fourth power threshold, and the real-time charging current is maintained until the real-time heat dissipation power is decreased to the first power threshold again.
In this embodiment, the real-time thermal dissipation power is respectively compared with the first power threshold and the fourth power threshold, and the process of adjusting the real-time charging current is cyclically performed, so that when the real-time thermal dissipation power is reduced to the first power threshold, the real-time charging current starts to be increased, and the charging speed is accelerated; when the real-time heat dissipation power is increased to the fourth power threshold value in the process of increasing the real-time charging current, the increase of the real-time charging current is stopped, and the real-time charging current is maintained unchanged, so that the damage of a device caused by the overlarge real-time heat dissipation power is avoided, and meanwhile, the real-time charging current is maintained at a larger value, and the higher charging efficiency is ensured.
In one embodiment, when the charging device outputs constant power and increases the real-time charging current, the first real-time voltage is decreased, and at this time, the voltage difference on the charging connection becomes smaller, so that the real-time charging current can be continuously increased while the monitored real-time heat dissipation power does not exceed the maximum heat dissipation power. However, when the charging device is not a constant power output, the first real-time voltage does not become small when the real-time charging current increases, possibly resulting in a sharp increase in real-time heat dissipated power. Therefore, when the real-time charging current of the charging device is increased when the charging device is charged by the charging device, a first real-time voltage is obtained, wherein the first real-time voltage is the output voltage of the charging device; and when the voltage value of the first real-time voltage is not reduced, reducing the real-time charging current. In this way, real-time heat dissipation power sharp increases leading to device damage can be avoided.
In one embodiment, when the voltage value of the first real-time voltage is not changed, the real-time charging current is reduced, and when the real-time heat dissipation power is equal to or less than the fourth power threshold, the reduction of the real-time charging current is stopped, and the real-time charging current is maintained.
In this embodiment, when it is determined that the voltage value of the first real-time voltage is decreased and the real-time charging current is reduced, to ensure the charging efficiency, the process of stopping reducing the real-time charging current is determined by the fourth power threshold, so that the situation that the charging time is prolonged due to excessive reduction of the real-time charging current is avoided.
In one embodiment, as shown in fig. 3, when the charging device is started to be charged by the charging device, the real-time heat dissipation power is monitored and obtained in real time during the whole charging process. The specific implementation process of the charging control method is as follows:
in step 309, the real-time charging current is increased, and step 306 is executed.
In the above process, when the charged device is fully charged during the entire charging process, for example, when the second real-time voltage reaches a voltage value representing the charged amount of power, the charging is immediately stopped.
In one embodiment, there is a hysteresis effect during the charging process, the process of obtaining real-time heat dissipation power, and the process of controlling the current increase or decrease. Specifically, in the process of increasing the real-time charging current, since a processing process is required for obtaining the real-time heat dissipation power, and the real-time charging current is continuously increased in the process, the obtained real-time heat dissipation power is larger than the actual real-time heat dissipation power, a corresponding second power threshold is set for the first power threshold, the second power threshold is larger than the first power threshold and smaller than the fourth power threshold, and the first power threshold is used for avoiding the hysteresis effect. Similarly, in the process that the real-time charging current is unchanged or reduced, since a processing process is required for obtaining the real-time heat dissipation power, the second real-time voltage can be continuously increased in the process, and the obtained real-time heat dissipation power can be smaller than the actual real-time heat dissipation power, a corresponding third power threshold value is set for the fourth power threshold value, the third power threshold value is larger than the fourth power threshold value, and the third power threshold value is used for avoiding the hysteresis effect.
In this embodiment, in the process of increasing the real-time charging current, when the real-time heat dissipation power is increased to the maximum heat dissipation power and the real-time charging current is decreased, if the real-time heat dissipation power is greater than the third power threshold, the real-time charging current is continuously decreased; and when the real-time heat dissipation power is reduced to the fourth power threshold, stopping reducing the real-time charging current, and maintaining the real-time charging current unchanged.
In this embodiment, when the real-time charging current is stopped to be reduced and maintained unchanged, if the real-time heat dissipation power is reduced to the first power threshold, the real-time charging current is increased; in the process of increasing the real-time charging current, if the real-time heat dissipation power is increased to the second power threshold, the increase of the real-time charging current is stopped, then whether the real-time heat dissipation power is increased to the third power threshold due to the hysteresis effect is judged, and if the real-time heat dissipation power is increased to the third power threshold, the real-time charging current is reduced. And entering a process of circularly adjusting the real-time charging current through a first power threshold, a second power threshold, a third power threshold and a fourth power threshold.
In a specific embodiment, V1 represents a first real-time voltage, V2 represents a second real-time circuit, I represents a real-time charging current, and P represents a real-time heat dissipation power. The formula for P is as follows:
P＝(V1-V2)×I。
the preset power thresholds include a maximum heat dissipation power, a first power threshold, a second power threshold, a third power threshold, and a fourth power threshold, Pmax denotes the maximum heat dissipation power, P1 denotes the first power threshold, P2 denotes the second power threshold, P3 denotes the third power threshold, and P4 denotes the fourth power threshold.
In this embodiment, V1 and V2 are detected in real time by the voltage monitoring device, I is monitored in real time by the current monitoring device, and P is obtained in real time by V1, V2, and I. Based on V1, V2, I, and P obtained in real time, as shown in fig. 4, the detailed process of implementation of the charging control method is as follows:
in step 412, it is determined whether P > P2 is true, if yes, step 409 is executed, and if no, step 411 is executed.
In the process shown in fig. 4, the voltage monitoring device monitors V2 in real time, and stops charging when V2 reaches the voltage required by the device to be charged, i.e., reduces the real-time charging current to zero.
In a specific embodiment, the first power threshold, the second power threshold, the third power threshold, and the fourth power threshold are determined according to a minimum rated power of rated powers respectively corresponding to the charging device, the device to be charged, and the charging connection device. Specifically, a first power constant, a second power constant, a third power constant and a fourth power constant are set according to actual conditions and needs, wherein the first power constant is greater than the second power constant, the second power constant is greater than the third power constant, and the third power constant is greater than the fourth power constant, that is:
first power constant > second power constant > fourth power constant > third power constant.
Based on the above, the first power threshold, the second power threshold, the third power threshold and the fourth power threshold are obtained by the following formulas:
a first power threshold value, which is the minimum rated power-a first power constant;
the second power threshold is the minimum rated power-a second power constant;
the third power threshold is the minimum rated power-a third power constant;
the fourth power threshold is the minimum rated power — a fourth power constant.
In this embodiment, the first power threshold, the second power threshold, the third power threshold, and the fourth power threshold are respectively reserved for the margin of the minimum rated power by setting the first power constant, the second power constant, the third power constant, and the fourth power constant, and meanwhile, the second power constant is a hysteresis threshold of the first power constant, and the fourth power constant is a hysteresis threshold of the third power constant. Therefore, the real-time charging current adjustment disorder or device damage caused by the hysteresis effect can be avoided.
According to the charging control method provided by the embodiment of the application, when the charging process of the charging device to be charged is started, the real-time charging current is continuously increased. When the real-time charging current is increased, the real-time heat dissipation power consumed by the charging connection device through which the real-time charging current flows is also increased continuously, and when the real-time heat dissipation power is increased to the maximum heat dissipation power, the real-time charging current is reduced. When the real-time charging current decreases, the real-time heat dissipation power consumed by the charging connection device through which the real-time charging current flows also decreases. And when the real-time heat dissipation power is reduced to a preset fourth power threshold, stopping reducing the real-time charging current, and maintaining the real-time charging current unchanged.
According to the method, in the process that the charging device charges the charged device, the real-time charging current is dynamically adjusted according to the real-time heat dissipation power. The real-time charging current is continuously increased when the real-time heat dissipation power is not increased to the maximum heat dissipation power of the charging connection device. The larger the charging current is, the shorter the charging time taken for the charging device to be fully charged, and the higher the charging efficiency is. When the real-time heat dissipation power is increased to the maximum heat dissipation power, the real-time charging current is immediately reduced, and damage to the charging connection device is avoided. In the process of reducing the real-time charging current, when the real-time heat dissipation power is reduced to a preset fourth power threshold, the real-time charging current is not reduced any more, but the real-time charging current is maintained unchanged. By presetting the specific numerical value of the fourth power threshold, the real-time charging current can be maintained at a larger value, and the charging efficiency is further improved. The method can dynamically adjust the charging current in real time, avoid the situations of charging with fixed current and long charging time caused by constant power output of the charging device, shorten the charging time and improve the charging efficiency.
Based on the same concept, embodiments of the present application provide a charging connection apparatus, and specific implementation of the apparatus may refer to descriptions in the method embodiment section, and repeated descriptions are omitted, as shown in fig. 5, the apparatus mainly includes:
the current increasing module 501 is configured to increase a real-time charging current of the charging device when the charging device is a charged device when a charging process of the charged device is started;
a power obtaining module 502, configured to obtain real-time thermal dissipation power, where the thermal dissipation power is real-time power consumed by a charging connection device connecting the charging device and a device to be charged when the charging device charges the device to be charged;
a current reduction module 503, configured to reduce the real-time charging current when the real-time heat dissipation power increases to a maximum heat dissipation power in the process of increasing the real-time charging current, where the maximum heat dissipation power is a maximum value of the heat dissipation power that can be borne by the charging connection device;
and a current maintaining module 504, configured to, in the process of reducing the real-time charging current, stop reducing the real-time charging current and maintain the real-time charging current unchanged when the real-time heat dissipation power is reduced to a preset fourth power threshold.
Based on the same concept, an embodiment of the present application further provides an electronic device, as shown in fig. 6, the electronic device mainly includes: a processor 601, a memory 602, and a communication bus 603, wherein the processor 601 and the memory 602 communicate with each other via the communication bus 603. The memory 602 stores therein a program executable by the processor 601, and the processor 601 executes the program stored in the memory 602 to implement the charging control method described in the above embodiments.
The communication bus 603 mentioned in the above electronic device may be a Peripheral Component Interconnect (PCI) bus, an Extended Industry Standard Architecture (EISA) bus, or the like. The communication bus 603 may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown in FIG. 6, but this is not intended to represent only one bus or type of bus.
The Memory 602 may include a Random Access Memory (RAM) or a non-volatile Memory (non-volatile Memory), such as at least one disk Memory. Alternatively, the memory may be at least one storage device located remotely from the processor 601.
The Processor 601 may be a general-purpose Processor, including a Central Processing Unit (CPU), a Network Processor (NP), and the like, and may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic devices, discrete gates or transistor logic devices, and discrete hardware components.
In still another embodiment of the present application, there is also provided a computer-readable storage medium having stored therein a computer program which, when run on a computer, causes the computer to execute the charging control method described in the above-described embodiment.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the application to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored on a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website site, computer, server, or data center to another website site, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wirelessly (e.g., infrared, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that includes one or more of the available media. The available media may be magnetic media (e.g., floppy disks, hard disks, tapes, etc.), optical media (e.g., DVDs), or semiconductor media (e.g., solid state drives), among others.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A charge control method, comprising:
when a charging process of a charged device for a charged device is started, increasing a real-time charging current of the charged device for charging the charged device;
acquiring real-time heat dissipation power, wherein the heat dissipation power is real-time power consumed by a charging connecting device connecting the charging device and the charged device when the charging device charges the charged device;
reducing the real-time charging current when the real-time heat dissipation power increases to a maximum heat dissipation power in the process of increasing the real-time charging current, wherein the maximum heat dissipation power is the maximum value of the heat dissipation power which can be borne by the charging connection device;
in the process of reducing the real-time charging current, when the real-time heat dissipation power is reduced to a preset fourth power threshold, the reduction of the real-time charging current is stopped, and the real-time charging current is maintained unchanged, wherein the fourth power threshold is smaller than the maximum heat dissipation power.
2. The charge control method of claim 1, wherein said deriving real-time heat dissipated power comprises:
when the charging device charges the charged device, acquiring the real-time charging current, a first real-time voltage and a second real-time voltage;
calculating to obtain the real-time heat dissipation power according to the real-time charging current, the first real-time voltage and the second real-time voltage;
wherein the first real-time voltage is an output voltage of the charging device;
the second real-time voltage is an input voltage of the charged device.
3. The charge control method of claim 2, wherein said calculating the real-time thermal dissipation power according to the real-time charging current, the first real-time voltage, and the second real-time voltage comprises:
calculating the real-time heat dissipation power according to the following formula:
real-time thermal dissipation power (first real-time voltage-second real-time voltage) x real-time charging current.
4. The charge control method according to claim 1, wherein the maintaining the real-time charging current constant further comprises:
when the real-time heat dissipation power is reduced to a preset first power threshold value, the real-time charging current is increased.
5. The charge control method of claim 4, wherein when increasing the real-time charging current when the real-time heat dissipated power decreases to a preset first power threshold, further comprising:
when the real-time heat dissipation power is increased to the fourth power threshold, stopping increasing the real-time charging current, and maintaining the real-time charging current unchanged until the real-time heat dissipation power is reduced to the first power threshold again.
6. The charge control method according to claim 1, wherein the increasing the real-time charging current when the charging device charges the device to be charged further comprises:
acquiring a first real-time voltage, wherein the first real-time voltage is an output voltage of the charging device;
and when the voltage value of the first real-time voltage is not reduced, reducing the real-time charging current.
7. The charge control method according to claim 6, wherein when the real-time charging current is reduced while the voltage value of the first real-time voltage is not being reduced, further comprising:
when the real-time heat dissipation power is equal to or smaller than the fourth power threshold, stopping reducing the real-time charging current, and maintaining the real-time charging current unchanged.
8. A charge control device, characterized by comprising:
the current increasing module is used for increasing the real-time charging current when the charging device charges the charged device when the charging process of the charged device for the charged device is started;
the power acquisition module is used for acquiring real-time heat dissipation power, wherein the heat dissipation power is real-time power consumed by a charging connecting device which connects the charging device with the charged device when the charging device charges the charged device;
a current reduction module for reducing the real-time charging current when the real-time heat dissipation power increases to a maximum heat dissipation power in the process of increasing the real-time charging current, wherein the maximum heat dissipation power is the maximum value of the heat dissipation power that the charging connection device can bear;
and the current maintaining module is used for stopping reducing the real-time charging current and maintaining the real-time charging current unchanged when the real-time heat dissipation power is reduced to a preset fourth power threshold in the process of reducing the real-time charging current.
9. An electronic device, comprising: the system comprises a processor, a memory and a communication bus, wherein the processor and the memory are communicated with each other through the communication bus;
the memory for storing a computer program;
the processor is configured to execute the program stored in the memory to implement the charging control method according to any one of claims 1 to 7.
10. A computer-readable storage medium storing a computer program, wherein the computer program is executed by a processor to implement the charge control method according to any one of claims 1 to 7.
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