CN116278832A - Power battery anti-floating charging method, electronic equipment and storage medium - Google Patents

Power battery anti-floating charging method, electronic equipment and storage medium Download PDF

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Publication number
CN116278832A
CN116278832A CN202310288112.0A CN202310288112A CN116278832A CN 116278832 A CN116278832 A CN 116278832A CN 202310288112 A CN202310288112 A CN 202310288112A CN 116278832 A CN116278832 A CN 116278832A
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charge
charging
power battery
mark
state
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朱望龙
丁天喜
黄小清
刘永清
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Chongqing Seres New Energy Automobile Design Institute Co Ltd
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Chongqing Seres New Energy Automobile Design Institute Co Ltd
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Priority to CN202310288112.0A priority Critical patent/CN116278832A/en
Publication of CN116278832A publication Critical patent/CN116278832A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The application provides a power battery anti-floating charging method, electronic equipment and a storage medium, wherein the method comprises the following steps: responding to a charging instruction, and determining a first mark corresponding to the anti-floating charging mark bit; if the first mark is true, stopping charging the power battery, generating an anti-floating charge reminder, and sending the anti-floating charge reminder to a target module; and if the first mark is a false value, charging the power battery, and under the condition that the state of charge of the power battery is detected to be full, adjusting a second mark corresponding to a full charge mark bit to be a true value, and adjusting the first mark corresponding to the anti-floating charge mark bit to be a true value. The problem that can solve power battery in high state of charge interval through this application, and then, reduced the risk of overcharging, improved power battery's safety of charging.

Description

Power battery anti-floating charging method, electronic equipment and storage medium
Technical Field
The application relates to the technical field of power batteries, in particular to an anti-floating charging method for a power battery, electronic equipment and a storage medium.
Background
The electric automobile is a vehicle which uses a vehicle-mounted power supply as power and uses a motor to drive wheels to run, and the power battery provides electric energy for the electric automobile. After the power cell has been depleted of electrical energy, it may be charged to supplement the electrical energy.
After the power battery reaches full charge, through external load consumption, the electric quantity descends, if the electric quantity descends less under the circumstances reentrant charging process, can lead to the power battery to charge repeatedly in high electric quantity interval, there is the risk of overcharging, the irreversible injury will take place in the inside of power battery, seriously hurts the power battery performance, influences the safety and the life-span of power battery.
Disclosure of Invention
In view of the above-mentioned drawbacks or shortcomings in the prior art, the present application aims to provide an anti-floating charging method for a power battery, an electronic device and a storage medium, so as to solve the problem of repeated charging of the power battery in a high-charge state interval, reduce the risk of overcharging, and improve the charging safety of the power battery.
The embodiment of the application provides an anti-floating charging method for a power battery, which comprises the following steps:
responding to a charging instruction, and determining a first mark corresponding to the anti-floating charging mark bit;
if the first mark is true, stopping charging the power battery, generating an anti-floating charge reminder, and sending the anti-floating charge reminder to a target module;
and if the first mark is a false value, charging the power battery, and under the condition that the state of charge of the power battery is detected to be full, adjusting a second mark corresponding to a full charge mark bit to be a true value, and adjusting the first mark corresponding to the anti-floating charge mark bit to be a true value.
Optionally, after stopping charging the power battery, generating an anti-floating charge reminder, and sending the anti-floating charge reminder to the target module, the method further includes:
and acquiring the state of charge of the power battery, if the state of charge is reduced to the preset electric quantity, adjusting a first mark to be a false value, carrying out charging treatment on the power battery, and adjusting a second mark corresponding to a full charge mark bit to be a true value and adjusting a first mark corresponding to the anti-floating charge mark bit to be a true value under the condition that the state of charge of the power battery is detected to be full charge.
Optionally, after the adjusting the second flag corresponding to the full charge flag bit to the true value, the method further includes:
and acquiring the state of charge of the power battery, and if the state of charge is not full, adjusting the second mark to be a false value.
Optionally, the method further comprises:
under the condition that the power battery is fully charged, determining that the state of charge of the power battery is full charge, and determining the full charge quantity of the power battery under the condition of full charge;
and determining the preset electric quantity according to the full-charge electric quantity and the preset electric quantity difference value.
Optionally, the method further comprises:
determining the state of charge of the power battery in real time based on a preset state of charge detection algorithm;
the preset state of charge detection algorithm does not jump after software is written, powered on and powered off; the state of charge determined by the preset state of charge detection algorithm is smoothly changed; the state of charge determined by the preset state of charge detection algorithm is forbidden to rise in the discharging process of the power battery, and is forbidden to fall in the charging process of the power battery; and the state of charge determined by the preset state of charge detection algorithm is kept unchanged under the condition that the charge and discharge current is zero.
Optionally, the method further comprises:
and responding to a charging stopping instruction, stopping charging the power battery, and keeping a first mark corresponding to the anti-floating charging mark bit and a second mark corresponding to the full charging mark bit unchanged.
Optionally, before the responding to the charging instruction, the method further includes:
generating the charging instruction under the condition that the insertion of the charging gun is detected;
correspondingly, before the responding to the charging stop instruction, the method further comprises:
and generating the charging stopping instruction under the condition that the charging gun is detected to be pulled out.
Optionally, the method further comprises:
determining the change times of the first mark corresponding to the anti-floating mark bit in a preset time;
and if the change times exceeds the preset times, generating repeated charging reminding, and sending the repeated charging reminding to the target module.
The embodiment of the application also provides an electronic device, which comprises:
a processor and a memory;
the processor is configured to execute the steps of the power battery anti-floating charging method according to any embodiment of the present application by calling a program or instructions stored in the memory.
The embodiments of the present application also provide a computer readable storage medium storing a program or instructions that cause a computer to execute the steps of the method for preventing floating charge of a power battery according to any of the embodiments.
In summary, the present application proposes a power battery anti-floating charging method, by determining a first flag corresponding to an anti-floating charging flag bit in response to a charging instruction, if the first flag is a true value, stopping charging a power battery, generating an anti-floating charging reminder, and sending the anti-floating charging reminder to a target module, so as to prevent the power battery from being repeatedly charged in a high-power interval, if the first flag is a false value, performing charging processing on the power battery, and under the condition that the state of charge of the power battery is detected to be full, adjusting a second flag corresponding to the full charging flag bit to be a true value, and adjusting the first flag corresponding to the anti-floating charging flag bit to be a true value, so as to accurately adjust the first flag and the second flag, thereby solving the problem that the power battery is repeatedly charged in the high-charge interval, reducing the overcharge risk, and improving the charging safety of the power battery.
Drawings
Fig. 1 is a flowchart of a method for preventing floating charge of a power battery according to an embodiment of the present application;
FIG. 2 is a flow chart of another anti-float method for a power battery according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the invention are shown in the drawings.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As mentioned in the background art, aiming at the problems in the prior art, the application provides an anti-floating charging method for a power battery, which solves the problem that the power battery is repeatedly charged in a high-charge-state interval, reduces the overcharge risk and improves the charging safety of the power battery.
Fig. 1 is a flowchart of a method for preventing floating charge of a power battery according to an embodiment of the present application. Referring to fig. 1, the anti-floating charging method for the power battery specifically includes:
s110, responding to a charging instruction, and determining a first mark corresponding to the anti-floating charging mark bit.
The charging command may be a command for triggering charging of a power battery of the vehicle. The anti-floating-charge flag bit may be a preset flag bit for indicating whether the anti-floating-charge function is started, i.e. whether to control charging. The first flag is a specific flag value of the anti-float flag bit, which may be a true value or a false value, and it is understood that the true value indicates that the anti-float function is triggered, and the false value indicates that the anti-float function is not triggered.
Specifically, when a charging instruction is received, the charging instruction can be responded, a value corresponding to the anti-floating charging flag bit is obtained, and the value is recorded as a first flag.
And S120, if the first mark is true, stopping charging the power battery, generating an anti-floating charge prompt, and sending the anti-floating charge prompt to the target module.
The power battery can be a power source for driving the vehicle and a power source for each electronic device in the vehicle. The anti-floating charge reminding can be used for reminding a user that the user is in a higher charge state interval currently, and the reminding mode of prohibiting charging can be text reminding, voice reminding, animation reminding and the like. The target module may be an on-board module for displaying anti-float reminders, for example: if the anti-floating charge reminding is a text reminding, the target module can be an instrument; if the anti-floating charge prompt is a voice prompt, the target module can be a loudspeaker; if the anti-floating charge reminding is an animation reminding, the target module can be a vehicle-mounted display screen.
Specifically, if the first flag is true, it indicates that the anti-floating charging function is triggered, that is, the current state of charge is in a higher state of charge interval, and repeated charging may cause damage to the power battery, so that charging of the power battery is stopped, and an anti-floating charging reminder is generated and sent to the target module, so that the anti-floating charging reminder is displayed through the target module, the user is reminded that the current state of charge of the power battery is higher, and charging is prohibited, for example: the anti-floating Charge reminding message is sent to the instrument through the whole vehicle CAN (Controller Area Network) network, the instrument displays a prompt of ' Charge forbidden ' because the current power battery SOC (State of Charge) is higher ', and the user is informed of the current vehicle condition, so that the complaints of the vehicle using clients are prevented.
And S130, if the first flag is a false value, charging the power battery, and when the state of charge of the power battery is detected to be full, adjusting a second flag corresponding to the full charge flag bit to be a true value, and adjusting the first flag corresponding to the anti-floating charge flag bit to be a true value.
The state of charge is the current electric quantity ratio of the power battery, and is expressed as a ratio of the current capacity to the total capacity of the power battery, commonly used percentage. Full charge can be understood as 100% state of charge. The full charge flag bit may be a preset flag bit for indicating whether the power battery is charged to full charge. The second flag is a specific flag value of the full charge flag bit, and may be a true value or a false value, where it is understood that the true value indicates that the current power battery is in the full charge state, and the false value indicates that the current power battery is not in the full charge state.
Specifically, if the first flag is a false value, it indicates that the anti-floating charging function is not triggered, that is, the current state of charge is not in a higher state of charge interval, and charging can be performed, so that the power battery is charged. The charging state of the power battery can be obtained in the charging process, when the condition that the charging state of the power battery is full is detected, the power battery is completely charged, the charging process is not required to be continued, the charging can be stopped at the moment, the second mark corresponding to the full charging mark bit is adjusted to be a true value, the current power battery is in the full charging state, the first mark corresponding to the anti-floating charging mark bit is adjusted to be the true value, the anti-floating charging function is triggered, and the condition that the charging is continued after a small amount of electric energy is used is avoided.
Alternatively, the state of charge of the power cell may be obtained by:
and determining the state of charge of the power battery in real time based on a preset state of charge detection algorithm.
The preset state of charge detection algorithm may be an algorithm for detecting a state of charge of the power battery.
Optionally, the preset state of charge detection algorithm does not jump after software is written, powered on and powered off; the state of charge determined by a preset state of charge detection algorithm is smoothly changed; the charge state determined by a preset charge state detection algorithm is forbidden to rise in the discharging process of the power battery, and is forbidden to fall in the charging process of the power battery; the state of charge determined by the preset state of charge detection algorithm remains unchanged under the condition that the charge and discharge current is zero.
The requirement of the detection algorithm for the preset state of charge is mainly to ensure that the anti-floating charging function can be stably and accurately started so as to effectively protect the power battery.
Specifically, battery parameters can be obtained in real time through a preset state of charge detection algorithm, and the state of charge of the power battery is calculated, so that whether the power battery is full or not can be conveniently judged, and whether anti-floating charge is triggered or released or not can be conveniently judged.
Optionally, whether the problem of repeated charging exists at present may be determined by the following manner:
determining the change times of a first mark corresponding to the anti-floating mark bit in preset time; and if the change times exceeds the preset times, generating repeated charging reminding and sending the repeated charging reminding to the target module.
The preset time may be a preset time period for measuring whether the problem of repeated charging exists. The number of changes may be the number of changes that the first flag has made, including the true value changing to the false value or the false value changing to the true value. The repeated charging reminder may be for reminding the user that the charging gun is currently being repeatedly charged, paying attention to pulling out the charging gun. The preset number of times may be a maximum value of the number of times of change of the first flag at the time of normal charging within the preset time.
Specifically, the number of changes of the first mark is counted within the preset time, and when the number of changes exceeds the preset number of times, the problem of repeated charging at the moment can be determined, so that repeated charging reminding is generated and sent to the target module, a user can find the problem in time and process the problem, for example, the charging gun is immediately pulled out.
According to the anti-floating charging method for the power battery, the first mark corresponding to the anti-floating charging mark position is determined through responding to the charging instruction, if the first mark is the true value, the power battery is stopped to be charged, the anti-floating charging prompt is generated and sent to the target module, the power battery is prevented from being repeatedly charged in a high electric quantity interval, if the first mark is the false value, the power battery is charged, the second mark corresponding to the full charging mark position is adjusted to be the true value under the condition that the state of charge of the power battery is detected to be full charge, and the first mark corresponding to the anti-floating charging mark position is adjusted to be the true value, so that the first mark and the second mark are accurately adjusted, the problem that the power battery is repeatedly charged in the high electric quantity interval is solved, the overcharge risk is reduced, and the charging safety of the power battery is improved.
Fig. 2 is a flowchart of another anti-floating method for a power battery according to an embodiment of the present application. On the basis of the above embodiments, the processing of the anti-float flag after stopping charging and the subsequent charging process and the processing of the full-charge flag after starting charging and the anti-float flag are exemplified. Referring to fig. 2, the anti-floating charging method for the power battery specifically includes:
s210, responding to a charging instruction, and determining a first mark corresponding to the anti-floating charging mark bit.
Optionally, after responding to the charging instruction, before determining the first flag corresponding to the anti-floating charging flag bit, the BMS (Battery Management System ) may be initialized, and whether the charging condition is met may be primarily checked, which specifically includes:
initializing a battery management system, and checking whether a charging fault exists after the initialization is completed; if the charging failure exists, stopping charging the power battery; and if the charging fault does not exist, executing the step of determining a first mark corresponding to the anti-floating charging mark bit.
The battery management system can monitor the battery state in real time, manage the vehicle-mounted power battery, enhance the service efficiency of the battery, prevent the battery from being overcharged and overdischarged, prolong the service life of the battery and the like. The charging failure may be any failure that results in no charging.
Specifically, after responding to the charging instruction, the battery management system may be initialized to start the battery management system, so that the battery management system can perform subsequent power battery management and the like. Further, after the initialization is completed, the power battery and the vehicle are self-inspected to determine whether or not there is a failure that impedes the charging, that is, a charging failure. If the charging fault exists, the power battery on the vehicle cannot be charged, so that the charging of the power battery is stopped, fault reminding and the like can be generated, a user is reminded of the current incapability of charging due to the fault reason, and the user can process the power battery in time. If the charging fault does not exist, the subsequent step of determining the first flag corresponding to the anti-floating charging flag bit can be executed, so that whether charging is performed or not can be determined by judging the first flag bit.
S220, judging whether the first mark is a true value, if so, executing S230; if not, S250 is performed.
And S230, stopping charging the power battery, generating an anti-floating charge reminder, sending the anti-floating charge reminder to the target module, and executing S240.
And S240, acquiring the state of charge of the power battery, if the state of charge is reduced to the preset electric quantity, adjusting the first mark to be a false value, carrying out charging treatment on the power battery, and under the condition that the state of charge of the power battery is detected to be full, adjusting the second mark corresponding to the full charge mark bit to be a true value, adjusting the first mark corresponding to the anti-floating charge mark bit to be a true value, and executing S260.
The preset electric quantity may be an electric quantity preset for releasing the anti-floating function, for example: the specific values of 97%,95%, etc. may be set according to actual needs, and are not specifically limited herein.
Specifically, under the condition that the first sign is true, the power battery is stopped from being charged, and the state of charge of the power battery is obtained. The method comprises the steps of adjusting a first mark to be a false value when the state of charge is reduced to a preset electric quantity, removing an anti-floating charge function, conducting charging treatment on a power battery to charge the power battery to be full of electricity, adjusting a second mark corresponding to a full charge mark bit to be a true value when the state of charge of the power battery is detected to be full of electricity, indicating that the power battery is full of electricity, adjusting the first mark corresponding to the anti-floating charge mark bit to be the true value, and starting the anti-floating charge function. It can be understood that in the charging process, the anti-floating charge reminding can be released, and the false reminding is reduced.
Alternatively, the preset amount of electricity may be determined by:
under the condition that the power battery is fully charged, determining that the charge state of the power battery is full charge, and determining the full charge electric quantity of the power battery under the condition of full charge; and determining the preset electric quantity according to the full-charge electric quantity and the preset electric quantity difference value.
The full charge level may be used to represent the stored charge level when the power battery is unable to continue charging. The preset charge amount difference value may be a difference value between a preset charge amount corresponding to full charge and a charge amount when the first flag corresponding to the trigger anti-floating charge flag bit changes.
Specifically, in the case where the power battery is fully charged, the state of charge of the power battery is determined to be full charge, i.e., 100% of the state of charge. Further, the amount of charge stored by the power cell in a full charge condition, i.e., the full charge amount, may be determined. Because the charge quantity corresponding to 100% of the charge quantity is the full charge quantity, the charge quantity corresponding to the difference value between the full charge quantity and the preset charge quantity difference value can be determined, and the charge quantity corresponding to the charge quantity is the preset charge quantity.
For example, let the full charge be C and the preset charge difference be C ', then the preset charge is (C-C')/C.
And S250, carrying out charging treatment on the power battery, and when the state of charge of the power battery is detected to be full, adjusting a second mark corresponding to the full charge mark bit to be a true value, and adjusting a first mark corresponding to the anti-floating charge mark bit to be a true value, and executing S260.
And S260, acquiring the state of charge of the power battery, and if the state of charge is not full, adjusting the second mark to be a false value.
Specifically, after the power battery is charged to full charge and the second flag corresponding to the full charge flag bit is true, the state of charge of the power battery is reduced due to consumption of electric energy by electronic equipment and the like in the vehicle, and the state of charge of the power battery is no longer full charge, at this time, the second flag can be adjusted to a false value to prompt that the current power battery is not in the full charge state.
It can be appreciated that if the charging stopping instruction is not received, the process may continue to S210 to continuously determine the first flag corresponding to the anti-floating charging flag bit and the current state of charge, so as to continuously charge the power battery. If a charge stopping instruction is received, the following steps may be performed:
and responding to the charging stopping instruction, stopping charging the power battery, and keeping a first mark corresponding to the anti-floating charging mark bit and a second mark corresponding to the full charging mark bit unchanged.
The instruction to stop charging may be an instruction to control stopping charging of the power battery.
Specifically, when the charge stopping instruction is received, the charging of the power battery may be stopped in response to the charge stopping instruction. At this time, the first flag and the second flag should be kept unchanged to avoid affecting the next charging failure.
Based on the above example, the charging instruction and the stopping charging instruction may be issued by detecting the state of the charging gun, and specifically may be:
the charging instruction is generated in the event that insertion of the charging gun is detected prior to responding to the charging instruction.
The charging gun can be used for charging a power battery of the electric automobile.
Specifically, when the charging gun is inserted into the corresponding interface, a charging gun insertion signal may be detected, and accordingly, a charging instruction may be generated to perform the step of determining whether to charge according to the first flag.
In response to the charge stopping instruction, in the case where the gun withdrawal is detected, the charge stopping instruction is generated.
Specifically, when the charging gun is pulled out from the interface, a charging gun pulling-out signal may be detected, and accordingly, a charging stopping instruction may be generated to perform the step of stopping charging the power battery.
According to the power battery anti-floating charging method, by responding to a charging instruction, a first mark corresponding to an anti-floating charging mark bit is determined, if the first mark is a true value, charging of a power battery is stopped, anti-floating charging reminding is generated, the anti-floating charging reminding is sent to a target module, the state of charge of the power battery is obtained, if the state of charge of the power battery is reduced to a preset electric quantity, the first mark is adjusted to be a false value, charging of the power battery is conducted, and when the state of charge of the power battery is detected to be full, a second mark corresponding to the full charging mark bit is adjusted to be a true value, and the first mark and the second mark corresponding to the anti-floating charging mark bit are adjusted to be true values, so that the power battery is prevented from being repeatedly charged in a high electric quantity interval, if the state of charge of the power battery is accurately adjusted to be false value, and if the state of charge of the power battery is detected to be full, the second mark corresponding to the full charging mark bit is adjusted to be true value, and if the state of charge of the power battery is detected to be full, the first mark corresponding to be full state of charge is not fully charged, and the power battery is repeatedly adjusted to be full state of charge, and the problem is solved.
On the basis of the above embodiment, another anti-floating charging method for a power battery is provided, which specifically includes:
1. after the BMS is awakened by the charging gun, the BMS is initialized.
2. After the BMS initialization is completed, whether a charging condition is met or not is checked, and whether an anti-floating charging flag bit is set or not is detected.
3. If the BMS detects that the anti-floating charging flag bit is not set (the first flag corresponding to the anti-floating charging flag bit is a false value), charging is started according to a normal charging flow so as to charge the power battery.
4. If the BMS detects that the anti-floating charge flag bit is set (the first flag corresponding to the anti-floating charge flag bit is true), the charging process is exited, and the BMS sends a message (anti-floating charge reminding) to relevant modules (target modules) such as a meter and the like through the whole vehicle CAN network according to the current anti-floating charge flag bit.
5. After the instrument receives the message and analyzes the anti-floating charge zone bit, a prompt of 'because the current power battery SOC is higher and charge is forbidden' is displayed on the instrument, and the user is informed that the current vehicle condition is: charging is prohibited due to the float prevention.
It should be noted that, BMS sets up the anti-floating flag bit according to following condition:
(1) After the SOC reaches 100% (full power), the BMS sets the full charge flag bit, and sets the anti-float flag bit (adjusts the second flag corresponding to the full charge flag bit to be a true value, and adjusts the first flag corresponding to the anti-float flag bit to be a true value).
(2) After the SOC reaches 100% (full charge), after the power battery is powered up at high voltage, the SOC is displayed to drop by 3% (the state of charge drops to the preset electric quantity), the anti-floating charge flag bit is cleared (the first flag is adjusted to a false value), and the power battery is allowed to be charged again.
It should be further noted that, in order to ensure that the anti-floating charge strategy can effectively protect the battery, the following requirements are set for displaying the SOC algorithm:
(1) Before and after software is written, the SOC is displayed and is not allowed to change;
(2) After the whole vehicle is powered on and off again, the SOC cannot jump, and the SOC is displayed to be processed smoothly and is not allowed to jump (except full charge correction);
(3) The SOC is not allowed to rise (current is positive) in the discharging process of the power battery, and is not allowed to fall (current is negative) in the charging process of the power battery;
(4) When the charge-discharge current of the power battery is 0, the SOC is displayed not to be allowed to change.
When the power battery is charged, no matter the power battery is charged by alternating current or direct current, the anti-floating charging function can be triggered or released through the anti-floating charging flag bit.
According to the anti-floating charging method for the power battery, provided by the embodiment of the application, through the battery management system and based on the SOC algorithm, the problem that the power battery is repeatedly charged in a high SOC interval is avoided, the anti-floating charging method can be realized without any change of hardware, and the anti-floating charging method is high in reliability and low in cost. And, through preventing floating charge flag bit setting up the anti-floating charge strategy, can prolong power battery's life, reduce power battery's risk that appears overcharging to, through setting up anti-floating charge flag bit, remind the user that current vehicle can not charge, avoid producing complaining.
Fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present application. As shown in fig. 3, the electronic device 300 includes one or more processors 301 and memory 302.
The processor 301 may be a Central Processing Unit (CPU) or other form of processing unit having data processing capabilities and/or instruction execution capabilities and may control other components in the electronic device 300 to perform desired functions.
Memory 302 may include one or more computer program products that may include various forms of computer-readable storage media, such as volatile memory and/or non-volatile memory. The volatile memory may include, for example, random Access Memory (RAM) and/or cache memory (cache), and the like. The non-volatile memory may include, for example, read Only Memory (ROM), hard disk, flash memory, and the like. One or more computer program instructions may be stored on the computer readable storage medium that may be executed by the processor 301 to implement the power cell anti-float method of any of the embodiments of the present application described above and/or other desired functions. Various content such as initial arguments, thresholds, etc. may also be stored in the computer readable storage medium.
In one example, the electronic device 300 may further include: an input device 303, and an output device 304, which are interconnected by a bus system and/or other forms of connection mechanisms (not shown). The input device 303 may include, for example, a keyboard, a mouse, and the like. The output device 304 can output various information to the outside, including early warning prompt information, braking force, etc. The output device 304 may include, for example, a display, speakers, a printer, and a communication network and remote output devices connected thereto, etc.
Of course, only some of the components of the electronic device 300 that are relevant to the present application are shown in fig. 3 for simplicity, components such as buses, input/output interfaces, etc. are omitted. In addition, the electronic device 300 may include any other suitable components depending on the particular application.
In addition to the methods and apparatus described above, embodiments of the present application may also be a computer program product comprising computer program instructions which, when executed by a processor, cause the processor to perform the steps of the power cell anti-float method provided by any of the embodiments of the present application.
The computer program product may write program code for performing the operations of embodiments of the present application in any combination of one or more programming languages, including an object oriented programming language such as Java, C++ or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device, partly on a remote computing device, or entirely on the remote computing device or server.
Furthermore, embodiments of the present application may also be a computer-readable storage medium, on which computer program instructions are stored, which, when executed by a processor, cause the processor to perform the steps of the power battery anti-float method provided by any embodiment of the present application.
The computer readable storage medium may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. The readable storage medium may include, for example, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium would include the following: an electrical connection having one or more wires, a portable disk, a hard disk, random Access Memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present application. As used in the specification and in the claims, the terms "a," "an," "the," and/or "the" are not specific to a singular, but may include a plurality, unless the context clearly dictates otherwise. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, 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, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method or apparatus comprising such elements.
It should also be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
Specific examples are set forth herein to illustrate the principles and embodiments of the present application, and the description of the examples above is only intended to assist in understanding the methods of the present application and their core ideas. The foregoing is merely a preferred embodiment of the present application, and it should be noted that, due to the limited nature of text, there is an objectively infinite number of specific structures, and that, to those skilled in the art, several improvements, modifications or changes can be made, and the above technical features can be combined in a suitable manner, without departing from the principles of the present invention; such modifications, variations and combinations, or the direct application of the concepts and aspects of the invention in other applications without modification, are intended to be within the scope of this application.

Claims (10)

1. A method for preventing floating charge of a power battery, comprising:
responding to a charging instruction, and determining a first mark corresponding to the anti-floating charging mark bit;
if the first mark is true, stopping charging the power battery, generating an anti-floating charge reminder, and sending the anti-floating charge reminder to a target module;
and if the first mark is a false value, charging the power battery, and under the condition that the state of charge of the power battery is detected to be full, adjusting a second mark corresponding to a full charge mark bit to be a true value, and adjusting the first mark corresponding to the anti-floating charge mark bit to be a true value.
2. The method of claim 1, further comprising, after the stopping charging the power battery, generating an anti-float alert, and sending the anti-float alert to a target module:
and acquiring the state of charge of the power battery, if the state of charge is reduced to the preset electric quantity, adjusting a first mark to be a false value, carrying out charging treatment on the power battery, and adjusting a second mark corresponding to a full charge mark bit to be a true value and adjusting a first mark corresponding to the anti-floating charge mark bit to be a true value under the condition that the state of charge of the power battery is detected to be full charge.
3. The method according to claim 1 or 2, further comprising, after said adjusting the second flag corresponding to the full flag bit to a true value:
and acquiring the state of charge of the power battery, and if the state of charge is not full, adjusting the second mark to be a false value.
4. The method as recited in claim 2, further comprising:
under the condition that the power battery is fully charged, determining that the state of charge of the power battery is full charge, and determining the full charge quantity of the power battery under the condition of full charge;
and determining the preset electric quantity according to the full-charge electric quantity and the preset electric quantity difference value.
5. The method as recited in claim 1, further comprising:
determining the state of charge of the power battery in real time based on a preset state of charge detection algorithm;
the preset state of charge detection algorithm does not jump after software is written, powered on and powered off; the state of charge determined by the preset state of charge detection algorithm is smoothly changed; the state of charge determined by the preset state of charge detection algorithm is forbidden to rise in the discharging process of the power battery, and is forbidden to fall in the charging process of the power battery; and the state of charge determined by the preset state of charge detection algorithm is kept unchanged under the condition that the charge and discharge current is zero.
6. The method as recited in claim 1, further comprising:
and responding to a charging stopping instruction, stopping charging the power battery, and keeping a first mark corresponding to the anti-floating charging mark bit and a second mark corresponding to the full charging mark bit unchanged.
7. The method of claim 6, further comprising, prior to said responding to a charge command:
generating the charging instruction under the condition that the insertion of the charging gun is detected;
correspondingly, before the responding to the charging stop instruction, the method further comprises:
and generating the charging stopping instruction under the condition that the charging gun is detected to be pulled out.
8. The method as recited in claim 1, further comprising:
determining the change times of the first mark corresponding to the anti-floating mark bit in a preset time;
and if the change times exceeds the preset times, generating repeated charging reminding, and sending the repeated charging reminding to the target module.
9. An electronic device, the electronic device comprising:
a processor and a memory;
the processor is configured to execute the steps of the power battery anti-float method according to any one of claims 1 to 8 by calling a program or instructions stored in the memory.
10. A computer-readable storage medium storing a program or instructions that cause a computer to execute the steps of the power battery anti-float method according to any one of claims 1 to 8.
CN202310288112.0A 2023-03-22 2023-03-22 Power battery anti-floating charging method, electronic equipment and storage medium Pending CN116278832A (en)

Priority Applications (1)

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CN202310288112.0A CN116278832A (en) 2023-03-22 2023-03-22 Power battery anti-floating charging method, electronic equipment and storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310288112.0A CN116278832A (en) 2023-03-22 2023-03-22 Power battery anti-floating charging method, electronic equipment and storage medium

Publications (1)

Publication Number Publication Date
CN116278832A true CN116278832A (en) 2023-06-23

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