CN114884178A - Method, device and equipment for charging lead-acid storage battery and storage medium - Google Patents

Method, device and equipment for charging lead-acid storage battery and storage medium Download PDF

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Publication number
CN114884178A
CN114884178A CN202210673381.4A CN202210673381A CN114884178A CN 114884178 A CN114884178 A CN 114884178A CN 202210673381 A CN202210673381 A CN 202210673381A CN 114884178 A CN114884178 A CN 114884178A
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China
Prior art keywords
charging
current
preset
discharging
preset current
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CN202210673381.4A
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Chinese (zh)
Inventor
宫云茜
车凯
郁金星
曾四鸣
牛向楠
侯海萍
陈秋
李栋
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State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Hebei Electric Power Co Ltd
State Grid Hebei Energy Technology Service Co Ltd
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State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Hebei Electric Power Co Ltd
State Grid Hebei Energy Technology Service Co Ltd
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Priority to CN202210673381.4A priority Critical patent/CN114884178A/en
Publication of CN114884178A publication Critical patent/CN114884178A/en
Pending legal-status Critical Current

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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
    • 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
    • H01M10/06—Lead-acid accumulators
    • 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
    • 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
    • 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
    • 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
    • H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
    • 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
    • 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
    • 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
    • H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
    • 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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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention provides a method, a device, equipment and a storage medium for charging a lead-acid storage battery, wherein the method comprises the following steps: a rapid charging stage, performing constant current charging with a first preset current, and stopping rapid charging when the monitored received current is less than a second preset current; in the first complementary charging stage, constant current charging is carried out by using a third preset current, when the monitored voltage is greater than a voltage threshold value, discharging is carried out by using a fourth preset current, and discharging is stopped after discharging for a first preset time; in the second complementary charging stage, constant current charging is carried out by using fifth preset current, when the monitored voltage is greater than a voltage threshold value, discharging is carried out by using the fifth preset current, and when the received current is less than the fifth preset current, discharging is stopped; the fourth preset current is the largest, the first preset current is larger than the second preset current, the second preset current is larger than the third preset current, and the fifth preset current is the smallest; and in the trickle charging stage, constant-voltage floating charging is carried out at the floating charging voltage until the charging is finished. The invention can improve the charging efficiency.

Description

Method, device and equipment for charging lead-acid storage battery and storage medium
Technical Field
The invention relates to the technical field of lead-acid storage batteries, in particular to a charging method, a charging device, charging equipment and a storage medium of a lead-acid storage battery.
Background
The lead-acid storage battery is also called as a valve-regulated lead-acid storage battery, is a storage battery taking an acidic aqueous solution as an electrolyte, and has more and more attention on application of high working voltage, wide use temperature, good high and low rate discharge performance and low price in new energy automobiles, and particularly the charging problem of the lead-acid storage battery is paid more attention.
Currently, common charging methods are: a constant current charging method, a constant voltage charging method, and a step charging method. The constant current charging method is to keep the intensity of the charging current constant, and adjust the output voltage of the charging device or change the series resistance of the charging device and the storage battery. The constant voltage charging method is a method in which a voltage is maintained at a constant value throughout a charging period, and a current is gradually reduced as the voltage is gradually increased. The stage charging method is a charging method combining constant current and constant voltage in stages.
However, when the constant current charging method is adopted, the charging current is mostly used for electrolyzing water to generate gas at the later stage of charging, so that the gas is discharged too much. When the constant voltage charging method is adopted for charging, the current is overlarge at the initial charging stage, and the service life of the storage battery is greatly influenced. The current commonly used three-stage charging method is characterized in that the first stage is that low-current constant-current charging is adopted at the beginning of charging, the second stage is constant-voltage charging, and when the current decays to a preset value, the second stage is switched to the third stage, namely a floating charging stage. Therefore, a charging method with high charging efficiency is needed.
Disclosure of Invention
The embodiment of the invention provides a method, a device, equipment and a storage medium for charging a lead-acid storage battery, which aim to solve the problem of low charging efficiency at present.
In a first aspect, embodiments of the present invention provide a method for charging a lead-acid battery, including a plurality of charging stages,
a rapid charging stage, performing constant current charging with a first preset current, and stopping rapid charging when the monitored received current is less than a second preset current;
in the first complementary charging stage, constant current charging is carried out by using a third preset current, when the monitored voltage is greater than a voltage threshold value, discharging is carried out by using a fourth preset current, and discharging is stopped after discharging for a first preset time;
in the second complementary charging stage, constant current charging is carried out by using fifth preset current, when the monitored voltage is greater than a voltage threshold value, discharging is carried out by using the fifth preset current, and when the received current is less than the fifth preset current, discharging is stopped; the fourth preset current is the largest, the first preset current is larger than the second preset current, the second preset current is larger than the third preset current, and the fifth preset current is the smallest;
and in the trickle charging stage, constant-voltage floating charging is carried out at the floating charging voltage until the charging is finished.
In a possible implementation manner, performing constant current charging with a third preset current, performing discharging with a fourth preset current when the monitored voltage is greater than the voltage threshold, and stopping discharging after discharging for a preset time includes:
and performing constant current charging by using a third preset current, stopping charging when the monitored voltage is greater than a voltage threshold value, discharging by using a fourth preset current after pausing for a first preset time, stopping discharging after discharging for the first preset time, and entering a second complementary charging stage after pausing for the first preset time.
In one possible implementation manner, performing constant current charging with a fifth preset current, discharging with the fifth preset current when the monitored voltage is greater than the voltage threshold, and stopping discharging when the received current is less than the fifth preset current includes:
and performing constant current charging by using a fifth preset current, stopping charging when the monitored voltage is greater than a voltage threshold value, discharging by using the fifth preset current after pausing for a first preset time, stopping discharging when the received current is less than the fifth preset current, and entering a trickle charging stage after pausing for the first preset time.
In one possible implementation, the voltage threshold is a voltage value that exceeds the nominal voltage by 30% -50%.
In one possible implementation, the first predetermined current is 2.3-3 times I10, I10 is a battery 10 hour rate discharge current, and the second predetermined current is less than 2 times I10.
In one possible implementation, the third predetermined current is 1.2-2 times I10, the fourth predetermined current is 3-4 times I10, and the fifth predetermined current is I10.
In one possible implementation, the first preset time is 0-30 s.
In a second aspect, an embodiment of the present invention provides a charging apparatus for a lead-acid battery, including:
the quick charging module is used for carrying out constant current charging by using a first preset current in a quick charging stage, and stopping the quick charging when the monitored received current is smaller than a second preset current;
the first complementary charging module is used for performing constant current charging at a third preset current in a first complementary charging stage, discharging at a fourth preset current when the monitored voltage is greater than a voltage threshold value, and stopping discharging after discharging for a first preset time;
the second complementary charging module is used for performing constant current charging at a fifth preset current in a second complementary charging stage, discharging at the fifth preset current when the monitored voltage is greater than a voltage threshold value, and stopping discharging when the received current is less than the fifth preset current; the fourth preset current is the largest, the first preset current is larger than the second preset current, the second preset current is larger than the third preset current, and the fifth preset current is the smallest;
and the trickle charging module is used for performing constant-voltage floating charging at the trickle charging stage by using the floating charging voltage until the charging is finished.
In a possible implementation manner, the first complementary charging module is configured to perform constant current charging with a third preset current, stop charging when the monitored voltage is greater than a voltage threshold, perform discharging with a fourth preset current after pausing for a first preset time, stop discharging after discharging for the first preset time, and enter a second complementary charging stage after pausing for the first preset time.
In a possible implementation manner, the second complementary charging module is configured to perform constant-current charging with a fifth preset current, stop charging when the monitored voltage is greater than the voltage threshold, discharge with the fifth preset current after pausing for the first preset time, stop discharging when the received current is less than the fifth preset current, and enter the trickle charging stage after pausing for the first preset time.
In one possible implementation, the voltage threshold is a voltage value that exceeds the nominal voltage by 30% -50%.
In one possible implementation, the first predetermined current is 2.3-3 times I10, I10 is a battery 10 hour rate discharge current, and the second predetermined current is less than 2 times I10.
In one possible implementation, the third preset current is 1.2-2 times I10, the fourth preset current is 3-4 times I10, and the fifth preset current is I10.
In one possible implementation, the first preset time is 0-30 s.
In a third aspect, an embodiment of the present invention provides an electronic device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor, when executing the computer program, implements the steps of the method for charging a lead-acid storage battery according to the first aspect or any one of the possible implementations of the first aspect.
In a fourth aspect, the present invention provides a computer-readable storage medium, which stores a computer program, and the computer program, when executed by a processor, implements the steps of the method for charging a lead-acid storage battery according to the first aspect or any one of the possible implementations of the first aspect.
The embodiment of the invention provides a charging method, a charging device, equipment and a storage medium of a lead-acid storage battery, which comprise a plurality of charging stages, wherein in the rapid charging stage, constant current charging is carried out at a first preset current, and when the monitored received current is less than a second preset current, the rapid charging is stopped; in the first complementary charging stage, constant current charging is carried out by using a third preset current, when the monitored voltage is greater than a voltage threshold value, discharging is carried out by using a fourth preset current, and discharging is stopped after discharging for a first preset time; in the second complementary charging stage, constant current charging is carried out by using fifth preset current, when the monitored voltage is greater than a voltage threshold value, discharging is carried out by using the fifth preset current, and when the received current is less than the fifth preset current, discharging is stopped; the fourth preset current is the largest, the first preset current is larger than the second preset current, the second preset current is larger than the third preset current, and the fifth preset current is the smallest; and in the trickle charging stage, constant-voltage floating charging is carried out at the floating charging voltage until the charging is finished. The charging method provided by the invention adopts a four-section charging method, so that the charging efficiency of the battery can be greatly improved, the charging time can be shortened, the gassing effect can be reduced, and the service life of the power battery can be effectively prolonged while the Marss curve is attached.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions 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 inventive exercise.
FIG. 1 is a flow chart of an implementation of a method for charging a lead-acid battery according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a charging device for a lead-acid storage battery provided by an embodiment of the invention;
fig. 3 is a schematic diagram of an electronic device provided in an embodiment of the present invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following description is made by way of specific embodiments with reference to the accompanying drawings.
As described in the background, the currently used three-stage charging method can also charge the battery faster, but the battery is damaged more severely due to the severe overcharge. Therefore, a charging method with high charging efficiency and capable of prolonging the battery life is needed.
In order to solve the problems in the prior art, embodiments of the present invention provide a charging method, apparatus, device and storage medium for a lead-acid storage battery. The following first describes a charging method for a lead-acid battery provided by an embodiment of the present invention.
The main body of execution of the method for charging a lead-acid battery may be a charging device for a lead-acid battery, which may be an electronic device having a processor and a memory, such as a mobile electronic device or a non-mobile electronic device. The embodiments of the present invention are not particularly limited.
Referring to fig. 1, it shows an implementation flowchart of a charging method for a lead-acid battery provided in an embodiment of the present invention, which is detailed as follows:
step S110, a fast charging stage, in which constant current charging is performed with a first preset current, and when the monitored received current is smaller than a second preset current, the fast charging is stopped.
When the storage battery is connected to the charger, the charger monitors the voltage and current of the storage battery.
The method comprises the following steps of firstly entering a quick charging stage, wherein the storage battery is subjected to constant current charging by first preset current, and the first preset current is larger current at the moment, so that the electric energy of the power battery is quickly complemented. And stopping the rapid charging when the monitored receiving current is less than a second preset current. At this time, the second preset current is smaller than the first preset current.
Specifically, the first preset current is 2.3-3 times of I10, I10 is a battery discharge current at a rate of 10 hours, and the second preset current is less than 2 times of I10.
Step S120, a first complementary charging stage, in which constant current charging is performed with a third preset current, and when the monitored voltage is greater than the voltage threshold, discharging is performed with a fourth preset current, and discharging is stopped after discharging for a first preset time.
After the fast charging phase is completed, a first complementary charging phase is entered, in which voltage monitoring is used.
Specifically, constant current charging is carried out by 1.2-2 times of I10, the voltage of the storage battery is monitored, when the monitored voltage is greater than a voltage threshold value, namely exceeds the rated voltage by 30% -50%, discharging is carried out by 3-4 times of I10, and discharging is stopped after discharging for 1-30 s.
It should be noted that, constant current charging is carried out at 1.2-2 times of I10, when the monitored voltage is greater than the voltage threshold, the charging is stopped, discharging is carried out at 3-4 times of I10 after pausing for 0-30s, discharging is stopped after discharging for 1-30s, and after pausing for 0-30s, the second complementary charging stage is entered.
In the quick charging stage and the first complementary charging stage, the storage battery can be charged with more than 90% of electricity. The charging time is shortened, the charging speed is improved, the gassing effect is reduced, and the service life of the battery is prolonged.
Step S130, in the second complementary charging stage, constant current charging is performed with a fifth preset current, when the monitored voltage is greater than the voltage threshold, discharging is performed with the fifth preset current, and when the received current is less than the fifth preset current, discharging is stopped.
The fourth preset current is the largest, the first preset current is larger than the second preset current, the second preset current is larger than the third preset current, and the fifth preset current is the smallest.
Specifically, I10 is adopted for constant current charging, when the monitored voltage exceeds 30-50% of the rated voltage, the charging is stopped, I10 discharging is carried out, and the discharging time is 1-30 s. And when the monitored acceptance current is less than I10, entering a fourth stage.
The constant current charging is carried out by I10, when the monitored voltage is larger than the voltage threshold value, the charging is stopped, the discharging is stopped by I10 after stopping for 0-30s, the discharging is stopped when the received current is smaller than I10, and the trickle charging stage is entered after stopping for 0-30 s.
Step S140, trickle charge stage, using floating charge voltage to make constant voltage floating charge until the charging is completed.
In the trickle charging stage, constant current charging is carried out by adopting preset current, and the voltage is gradually increased.
The floating charging voltage is used for constant voltage charging, the current is gradually reduced, the grid corrosion of the battery is in the slowest state, the service life of the battery can be prolonged, the capacity loss caused by self-discharge of the battery is supplemented, and the sulfation caused by recrystallization of active substances is inhibited.
The charging method provided by the invention comprises a plurality of charging stages, namely a quick charging stage, wherein constant current charging is carried out by using first preset current, and when the monitored received current is less than second preset current, the quick charging is stopped; in the first complementary charging stage, constant current charging is carried out by using a third preset current, when the monitored voltage is greater than a voltage threshold value, discharging is carried out by using a fourth preset current, and discharging is stopped after discharging for a first preset time; in the second complementary charging stage, constant current charging is carried out by using fifth preset current, when the monitored voltage is greater than a voltage threshold value, discharging is carried out by using the fifth preset current, and when the received current is less than the fifth preset current, discharging is stopped; the fourth preset current is the largest, the first preset current is larger than the second preset current, the second preset current is larger than the third preset current, and the fifth preset current is the smallest; and in the trickle charging stage, constant-voltage floating charging is carried out at the floating charging voltage until the charging is finished. The charging method provided by the invention adopts a four-section charging method, so that the charging efficiency of the battery can be greatly improved, the charging time can be shortened, the gassing effect can be reduced, and the service life of the power battery can be effectively prolonged while the Mass curve is attached.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
Based on the charging method of the lead-acid storage battery provided by the embodiment, correspondingly, the invention further provides a specific implementation mode of the charging device of the lead-acid storage battery applied to the charging method of the lead-acid storage battery. Please see the examples below.
As shown in fig. 2, there is provided a charging device 200 for a lead-acid storage battery, including:
the quick charging module 210 is configured to perform constant current charging with a first preset current in a quick charging stage, and stop the quick charging when the monitored received current is smaller than a second preset current;
the first complementary charging module 220 is used for performing constant current charging at a third preset current in a first complementary charging stage, discharging at a fourth preset current when the monitored voltage is greater than a voltage threshold, and stopping discharging after discharging for a first preset time;
a second complementary charging module 230, configured to perform constant current charging with a fifth preset current in a second complementary charging stage, discharge with the fifth preset current when the monitored voltage is greater than the voltage threshold, and stop discharging when the received current is less than the fifth preset current; the fourth preset current is the largest, the first preset current is larger than the second preset current, the second preset current is larger than the third preset current, and the fifth preset current is the smallest;
and the trickle charging module 240 is used for performing constant-voltage floating charging at the floating charging voltage in the trickle charging stage until the charging is finished.
In a possible implementation manner, the first complementary charging module 220 is configured to perform constant current charging with a third preset current, stop charging when the monitored voltage is greater than the voltage threshold, perform discharging with a fourth preset current after pausing for a first preset time, stop discharging after discharging for the first preset time, and enter a second complementary charging stage after pausing for the first preset time.
In a possible implementation manner, the second complementary charging module 230 is configured to perform constant current charging with a fifth preset current, stop charging when the monitored voltage is greater than the voltage threshold, discharge with the fifth preset current after pausing for the first preset time, stop discharging when the received current is less than the fifth preset current, and enter the trickle charging stage after pausing for the first preset time.
In one possible implementation, the voltage threshold is a voltage value that exceeds the nominal voltage by 30% -50%.
In one possible implementation, the first predetermined current is 2.3-3 times I10, I10 is a battery 10 hour rate discharge current, and the second predetermined current is less than 2 times I10.
In one possible implementation, the third preset current is 1.2-2 times I10, the fourth preset current is 3-4 times I10, and the fifth preset current is I10.
In one possible implementation, the first preset time is 0-30 s.
The charging device provided by the invention can greatly improve the charging efficiency of the battery, shorten the charging time, reduce the gassing effect and effectively prolong the service life of the power battery while adhering to the Mass curve by adopting a four-stage charging method.
Fig. 3 is a schematic diagram of an electronic device provided in an embodiment of the present invention. As shown in fig. 3, the electronic apparatus 3 of this embodiment includes: a processor 30, a memory 31 and a computer program 32 stored in said memory 31 and executable on said processor 30. The processor 30, when executing the computer program 32, implements the steps in the various lead-acid battery charging method embodiments described above, such as steps 110 through 140 shown in fig. 1. Alternatively, the processor 30, when executing the computer program 32, implements the functions of the modules in the above device embodiments, such as the functions of the modules 210 to 240 shown in fig. 2.
Illustratively, the computer program 32 may be partitioned into one or more modules that are stored in the memory 31 and executed by the processor 30 to implement the present invention. The one or more modules may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution of the computer program 32 in the electronic device 3. For example, the computer program 32 may be divided into the modules 210 to 240 shown in fig. 2.
The electronic device 3 may include, but is not limited to, a processor 30, a memory 31. It will be appreciated by those skilled in the art that fig. 3 is merely an example of the electronic device 3, and does not constitute a limitation of the electronic device 3, and may include more or less components than those shown, or combine certain components, or different components, for example, the electronic device may also include input output devices, network access devices, buses, etc.
The Processor 30 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 31 may be an internal storage unit of the electronic device 3, such as a hard disk or a memory of the electronic device 3. The memory 31 may also be an external storage device of the electronic device 3, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like, which are provided on the electronic device 3. Further, the memory 31 may also include both an internal storage unit and an external storage device of the electronic device 3. The memory 31 is used for storing the computer program and other programs and data required by the electronic device. The memory 31 may also be used to temporarily store data that has been output or is to be output.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus/electronic device and method may be implemented in other ways. For example, the above-described apparatus/electronic device embodiments are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, 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, and can also be realized in a form of a software functional unit.
The integrated modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow in the method of the above embodiments may be implemented by a computer program, which may be stored in a computer readable storage medium, and when the computer program is executed by a processor, the steps of the above embodiments of the charging method for the lead-acid storage battery may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier signal, telecommunications signal, software distribution medium, and the like.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.

Claims (10)

1. A charging method of a lead-acid storage battery is characterized by comprising a plurality of charging stages,
a rapid charging stage, performing constant current charging with a first preset current, and stopping rapid charging when the monitored received current is less than a second preset current;
in the first complementary charging stage, constant current charging is carried out by using a third preset current, when the monitored voltage is greater than a voltage threshold value, discharging is carried out by using a fourth preset current, and discharging is stopped after discharging for a first preset time;
a second complementary charging stage, in which constant current charging is carried out by using a fifth preset current, when the monitored voltage is greater than the voltage threshold value, discharging is carried out by using the fifth preset current, and when the received current is less than the fifth preset current, discharging is stopped; the fourth preset current is the largest, the first preset current is larger than the second preset current, the second preset current is larger than the third preset current, and the fifth preset current is the smallest;
and in the trickle charging stage, constant-voltage floating charging is carried out by using floating charging voltage until charging is completed.
2. The charging method according to claim 1, wherein the constant current charging at the third predetermined current, the discharging at the fourth predetermined current when the monitored voltage is greater than the voltage threshold, and the discharging being stopped after the discharging for a predetermined time, comprises:
and performing constant current charging by using a third preset current, stopping charging when the monitored voltage is greater than the voltage threshold, stopping discharging by using a fourth preset current after pausing for the first preset time, stopping discharging after discharging for the first preset time, and entering a second complementary charging stage after pausing for the first preset time.
3. The charging method according to claim 1, wherein the constant current charging at a fifth predetermined current, discharging at the fifth predetermined current when the monitored voltage is greater than the voltage threshold, and stopping discharging when the received current is less than the fifth predetermined current comprises:
and carrying out constant current charging by using the fifth preset current, stopping charging when the monitored voltage is greater than the voltage threshold, discharging by using the fifth preset current after pausing for the first preset time, stopping discharging when the received current is less than the fifth preset current, pausing for the first preset time, and entering a trickle charging stage.
4. The charging method of claim 1, wherein the voltage threshold is a voltage value that exceeds the rated voltage by 30% -50%.
5. The charging method according to claim 1, wherein the first predetermined current is 2.3 to 3 times I10, I10 is a battery 10-hour rate discharge current, and the second predetermined current is less than 2 times I10.
6. The charging method according to claim 5, wherein the third predetermined current is 1.2-2 times I10, the fourth predetermined current is 3-4 times I10, and the fifth predetermined current is I10.
7. The charging method according to claim 6, wherein the first preset time is 0 to 30 s.
8. A charging device for a lead-acid storage battery, comprising:
the quick charging module is used for carrying out constant current charging by using a first preset current in a quick charging stage, and stopping the quick charging when the monitored received current is smaller than a second preset current;
the first complementary charging module is used for performing constant current charging at a third preset current in a first complementary charging stage, discharging at a fourth preset current when the monitored voltage is greater than a voltage threshold value, and stopping discharging after discharging for a first preset time;
the second complementary charging module is used for performing constant current charging at a fifth preset current in a second complementary charging stage, discharging at the fifth preset current when the monitored voltage is greater than the voltage threshold value, and stopping discharging when the received current is less than the fifth preset current; the fourth preset current is the largest, the first preset current is larger than the second preset current, the second preset current is larger than the third preset current, and the fifth preset current is the smallest;
and the trickle charging module is used for performing constant-voltage floating charging at the trickle charging stage by using the floating charging voltage until the charging is finished.
9. An electronic device, comprising a memory for storing a computer program and a processor for calling and executing the computer program stored in the memory, and performing the charging method of the lead-acid storage battery according to any one of claims 1 to 7.
10. A computer-readable storage medium, in which a computer program is stored, which, when being executed by a processor, carries out the steps of a method for charging a lead-acid battery according to any one of claims 1 to 7.
CN202210673381.4A 2022-06-14 2022-06-14 Method, device and equipment for charging lead-acid storage battery and storage medium Pending CN114884178A (en)

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CN202210673381.4A CN114884178A (en) 2022-06-14 2022-06-14 Method, device and equipment for charging lead-acid storage battery and storage medium

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CN202210673381.4A CN114884178A (en) 2022-06-14 2022-06-14 Method, device and equipment for charging lead-acid storage battery and storage medium

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