CN113612295B - Emergency energy storage battery electric energy management method, device and medium - Google Patents
Emergency energy storage battery electric energy management method, device and medium Download PDFInfo
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- CN113612295B CN113612295B CN202111179206.1A CN202111179206A CN113612295B CN 113612295 B CN113612295 B CN 113612295B CN 202111179206 A CN202111179206 A CN 202111179206A CN 113612295 B CN113612295 B CN 113612295B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
- H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
- H02J7/007194—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature of the battery
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00309—Overheat or overtemperature protection
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The method comprises the steps of detecting whether a battery is in a working state, wherein the working state comprises a battery charging state or a battery discharging state, detecting temperature values corresponding to at least two battery packs in the battery if the battery is in the working state, connecting the at least two battery packs in parallel, determining that the at least one battery pack is an abnormal battery pack if the temperature value of the at least one battery pack reaches a first temperature threshold value, controlling the abnormal battery pack to stop charging or discharging, and controlling the abnormal battery pack to continue to charge or discharge until a first preset condition is met if the temperature value of the abnormal battery pack is reduced to a second temperature threshold value. This application has the effect that reduces the possibility that emergent energy storage battery caused accidents such as conflagration in the course of the work.
Description
Technical Field
The application relates to the field of battery management, in particular to an electric energy management method, device and medium for an emergency energy storage battery.
Background
The emergency energy storage battery is a battery applied to various emergency situations such as field rescue, emergency power supply and the like. The emergency energy storage battery is normally fully charged for use in various emergency situations.
However, the emergency energy storage battery generates heat in the working process no matter charging or discharging, the emergency energy storage battery generates heat in the using process, and then the temperature rises, and when the temperature of the emergency energy storage battery is too high, the emergency energy storage battery can possibly cause fire or accidents such as explosion.
Disclosure of Invention
In order to reduce the possibility of accidents such as fire disasters caused in the working process of the emergency energy storage battery, the application provides an electric energy management method, an electric energy management device and an electric energy management medium for the emergency energy storage battery.
In a first aspect, the application provides an electric energy management method for an emergency energy storage battery, which adopts the following technical scheme:
an emergency energy storage battery electric energy management method comprises the following steps:
detecting whether a battery is in a working state, wherein the working state comprises a battery charging state or a battery discharging state;
if the battery is in a working state, detecting temperature values respectively corresponding to at least two battery packs in the battery, wherein the at least two battery packs are connected in parallel;
if the temperature value of at least one battery pack reaches a first temperature threshold value, determining that the at least one battery pack is an abnormal battery pack;
controlling the abnormal battery pack to stop charging or discharging;
if the temperature value of the abnormal battery pack is reduced to a second temperature threshold value, controlling the abnormal battery pack to continue charging or discharging until a first preset condition is met, wherein the first preset condition comprises:
and the temperature value of the abnormal battery pack reaches a first temperature threshold value, or the abnormal battery pack is fully charged, or the abnormal battery pack discharges to reach a first preset threshold value.
Through adopting above-mentioned technical scheme, detect the temperature value of each group battery in the battery when the battery is in operating condition to the temperature of being convenient for when working to each group battery is known. If the temperature value of at least one battery pack is detected to reach the first temperature threshold value, the battery pack is an abnormal battery pack, the temperature of the abnormal battery pack is too high, and the electronic equipment controls the abnormal battery pack to stop charging or discharging, so that the temperature of the abnormal battery pack is not easy to further rise. Thereby reducing the possibility of fire and other dangers. And after the abnormal battery pack stops charging or discharging, gradually cooling the abnormal battery pack to gradually lower the temperature, and when the temperature of the abnormal battery pack is reduced to a second temperature threshold value, indicating that the temperature value of the abnormal battery pack is in a safety interval, so that the abnormal battery pack is controlled to continue charging or discharging. Whether each battery pack works or not is further controlled by detecting the temperature value of each battery pack, so that the batteries can be used more safely, and the possibility of accidents is reduced.
In another possible implementation manner, if the battery is in the operating state, detecting temperature values respectively corresponding to at least two battery packs in the battery, and then:
if the battery is in a discharging state, detecting whether the electric quantity of the battery reaches a second preset threshold value;
and if the battery electric quantity reaches a second preset threshold value, outputting first prompt information, wherein the first prompt information is used for representing that the battery electric quantity is about to be exhausted.
Through adopting above-mentioned technical scheme, when the total electric quantity of battery reached the second and predetermine the threshold value, explain that the total electric quantity of battery is crossed lowly, electronic equipment outputs first prompt message to make the user can in time learn that the battery electric quantity is crossed lowly.
In another possible implementation manner, the method further includes:
if the battery is in a discharging state, detecting whether the electric quantity of each battery pack reaches a third preset threshold value;
determining an over-discharge prevention battery pack, wherein the over-discharge prevention battery pack is at least one battery pack of which the electric quantity reaches a third preset threshold value;
reducing the discharge current of the over-discharge prevention battery pack;
detecting the power supply voltage of the over-discharge prevention battery pack in real time;
and if the power supply voltage reaches the termination voltage, controlling the anti-over-discharge battery pack to stop discharging.
By adopting the technical scheme, when the electric quantity of the battery pack reaches the third preset threshold value, the fact that the electric quantity of the battery pack is about to be exhausted and the over-discharge is required to be prevented is determined, and the battery pack is determined to be the over-discharge prevention battery pack. The discharging current of the over-discharge prevention battery pack is reduced, so that the power consumption speed of the over-discharge prevention battery pack is reduced. The power supply voltage of the over-discharge prevention battery pack is detected in real time, when the power supply voltage reaches a termination voltage value, the over-discharge prevention battery pack is indicated to be in an over-discharge state, and the electronic equipment controls the over-discharge prevention battery pack to stop discharging, so that the effect of reducing damage to the over-discharge prevention battery pack is achieved.
In another possible implementation manner, the method further includes:
if the battery is detected to be in the working state, recording a first time point and first current electric quantity information, wherein the first time point is a time point when the battery starts to be in the working state, and the first current electric quantity information is the electric quantity of each battery pack when the battery is in the working state;
detecting the electric quantity of the at least two battery packs;
if the electric quantity of any battery pack is detected to meet a second preset condition, recording a second time point and second current electric quantity information, wherein the second time point is the time point when the electric quantity of any battery pack meets the second preset condition, the second current electric quantity information is the electric quantity of each battery pack when the battery meets the second preset condition,
the second preset condition includes:
the battery is changed from being in a working state to not being in a working state;
determining a degree of aging of the any battery pack based on the first time point, the second time point, first current electric quantity information, and second current electric quantity information.
Through adopting above-mentioned technical scheme, when the group battery takes place to age, the charge-discharge speed of battery can change, can confirm the ageing degree of group battery through time, first current electric quantity information and the current electric quantity information of second between record first time point and the second time point to the user of being convenient for learns the in service behavior of group battery better.
In another possible implementation manner, if the battery is in an operating state, the method further includes:
if the temperature of at least one battery pack is detected to reach a first temperature threshold value within preset time, determining that the at least one battery pack is a damaged battery pack;
controlling the damaged battery pack to stop charging or discharging;
and outputting second prompt information, wherein the second prompt information is used for representing that the damaged battery pack is damaged.
By adopting the technical scheme, if the battery pack reaches the first preset threshold value within the preset time, the temperature of the battery pack is too fast, and the battery pack is damaged. The electronic equipment outputs the second prompt information, so that the user can know that the damaged battery pack is damaged in time.
In another possible implementation manner, if the battery is in a discharge state, the method further includes:
detecting whether the battery supplies power for at least two electric devices;
if the battery supplies power to the at least two electric devices, detecting the power supply current of each electric device;
an optimal discharge schedule is determined based on the supply current.
By adopting the technical scheme, when the battery supplies power for at least two electric devices, the current of the battery is disordered in the discharging process. The electronic device detects the supply current of the battery to each consumer, and the electronic device determines an optimal discharge scheme based on the supply current, so that the battery can work better.
In another possible implementation manner, if the battery is in a charging state, the method further includes:
detecting whether each battery pack reaches a full-charge state in real time;
determining a full-charge battery pack, wherein the full-charge battery pack is at least one battery pack in a full-charge state;
and carrying out full-electricity marking on the full-electricity battery pack and controlling the full-electricity battery pack to stop charging.
Through adopting above-mentioned technical scheme, when the group battery was full of electricity, if continue to charge the group battery then can cause the harm to the group battery, when electronic equipment detected the group battery and was full of electricity, electronic equipment control full charge group battery stopped charging to make the condition of overcharging be difficult to appear in the group battery.
In a second aspect, the application provides an emergency energy storage battery electric energy management device, which adopts the following technical scheme:
an apparatus for emergency energy storage battery power management, comprising:
the first detection module is used for detecting whether a battery is in a working state or not, wherein the working state comprises a battery charging state or a battery discharging state;
the temperature detection module is used for detecting temperature values respectively corresponding to at least two battery packs in the battery when the battery is in a working state, and the at least two battery packs are connected in parallel;
the first determination module is used for determining that at least one battery pack is an abnormal battery pack when the temperature value of the at least one battery pack reaches a first temperature threshold value;
the first control module is used for controlling the abnormal battery pack to stop charging or discharging;
the second control module is used for controlling the abnormal battery pack to continue charging or discharging until a first preset condition is met when the temperature value of the abnormal battery pack is reduced to a second temperature threshold, wherein the first preset condition comprises:
and the temperature value of the abnormal battery pack reaches a first temperature threshold value, or the abnormal battery pack is fully charged, or the abnormal battery pack discharges to reach a first preset threshold value.
Through adopting above-mentioned technical scheme, first detection module detects whether the battery is in operating condition, and when the battery was in operating condition, temperature detection module detected the temperature value of each group battery in the battery to be convenient for know the temperature of each group battery during operation. If the temperature value of at least one battery pack is detected to reach the first temperature threshold value, the battery pack is abnormal, the first determining module determines the battery pack as the first determining module, and the temperature of the abnormal battery pack is too high, and the first control module controls the abnormal battery pack to stop charging or discharging, so that the temperature of the abnormal battery pack is not easy to further rise. Thereby reducing the possibility of fire and other dangers. And after the temperature of the abnormal battery pack is reduced to a second temperature threshold value, indicating that the temperature value of the abnormal battery pack is in a safety interval, and controlling the abnormal battery pack to continue charging or discharging by the second control module. Whether each battery pack works or not is further controlled by detecting the temperature value of each battery pack, so that the batteries can be used more safely, and the possibility of accidents is reduced.
In another possible implementation manner, the apparatus further includes:
the second detection module is used for detecting whether the electric quantity of the battery reaches a second preset threshold value when the battery is in a discharging state;
and the first output module is used for outputting first prompt information when the battery electric quantity reaches a second preset threshold value, and the first prompt information is used for representing that the battery electric quantity is about to exhaust.
In another possible implementation manner, the apparatus further includes:
the third detection module is used for detecting whether the electric quantity of each battery pack reaches a third preset threshold value when the battery is in a discharging state;
the second determination module is used for determining an over-discharge prevention battery pack, wherein the over-discharge prevention battery pack is a battery pack of which at least one electric quantity reaches a third preset threshold;
the current reducing module is used for reducing the discharge current of the over-discharge prevention battery pack;
the fourth detection module is used for detecting the power supply voltage of the over-discharge prevention battery pack in real time;
and the third control module is used for controlling the anti-over-discharge battery pack to stop discharging when the power supply voltage reaches the termination voltage.
In another possible implementation manner, the apparatus further includes:
the first recording module is used for recording a first time point and first current electric quantity information when the battery is detected to be in a working state, wherein the first time point is a time point when the battery starts to be in the working state, and the first current electric quantity information is the electric quantity of each battery pack when the battery is in the working state;
the fifth detection module is used for detecting the electric quantity of the at least two battery packs;
a second recording module, configured to record a second time point and second current electric quantity information when it is detected that the electric quantity of any battery pack satisfies a second preset condition, where the second time point is a time point when the electric quantity of any battery pack satisfies the second preset condition, and the second current electric quantity information is an electric quantity of each battery pack when the battery satisfies the second preset condition,
the second preset condition includes:
the battery is changed from being in a working state to not being in a working state;
and the third determining module is used for determining the aging degree of any battery pack based on the first time point, the second time point, the first current electric quantity information and the second current electric quantity information.
In another possible implementation manner, the apparatus further includes:
the fourth determination module is used for determining that the at least one battery pack is a damaged battery pack when the temperature of the at least one battery pack is detected to reach the first temperature threshold value within the preset time;
the fourth control module is used for controlling the damaged battery pack to stop charging or discharging;
and the second output module is used for outputting second prompt information, and the second prompt information is used for representing that the damaged battery pack is damaged.
In another possible implementation manner, the apparatus further includes:
the sixth detection module is used for detecting whether the battery supplies power for at least two pieces of electric equipment;
the seventh detection module is used for detecting the power supply current of each piece of electric equipment when the battery supplies power to at least two pieces of electric equipment;
a fifth determination module to determine an optimal discharge schedule based on the supply current.
In another possible implementation manner, the apparatus further includes:
the eighth detection module is used for detecting whether each battery pack reaches a full-charge state in real time;
the fifth determining module is used for determining a full-charge battery pack, wherein the full-charge battery pack is at least one battery pack in a full-charge state;
and the fifth control module is used for carrying out full-charge marking on the full-charge battery pack and controlling the full-charge battery pack to stop charging.
In a third aspect, the present application provides an electronic device, which adopts the following technical solutions:
an electronic device, comprising:
one or more processors;
a memory;
one or more application programs, wherein the one or more application programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs configured to: the method for managing the electric energy of the emergency energy storage battery according to any one of the possible implementation manners of the first aspect is implemented.
In a fourth aspect, the present application provides a computer-readable storage medium, which adopts the following technical solutions:
a computer-readable storage medium, comprising: a computer program is stored which can be loaded by a processor and executed to implement an emergency energy storage battery power management method according to any one of the possible implementation manners of the first aspect.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the battery is in the working state, the temperature value of each battery pack in the battery is detected, so that the temperature of each battery pack in the working state can be conveniently known. If the temperature value of at least one battery pack is detected to reach the first temperature threshold value, the battery pack is an abnormal battery pack, the temperature of the abnormal battery pack is too high, and the electronic equipment controls the abnormal battery pack to stop charging or discharging, so that the temperature of the abnormal battery pack is not easy to further rise. Thereby reducing the possibility of fire and other dangers. And after the abnormal battery pack stops charging or discharging, gradually cooling the abnormal battery pack to gradually lower the temperature, and when the temperature of the abnormal battery pack is reduced to a second temperature threshold value, indicating that the temperature value of the abnormal battery pack is in a safety interval, so that the abnormal battery pack is controlled to continue charging or discharging. Whether each battery pack works is further controlled by detecting the temperature value of each battery pack, so that the battery can be used more safely, and the possibility of accidents is reduced;
2. when the battery pack is fully charged, if the battery pack is continuously charged, the battery pack can be damaged, and when the electronic equipment detects that the battery pack is fully charged, the electronic equipment controls the fully charged battery pack to stop charging, so that the battery pack is not easy to overcharge.
Drawings
Fig. 1 is a schematic flowchart of an electric energy management method for an emergency energy storage battery according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of an apparatus for power management of an emergency energy storage battery according to an embodiment of the present application.
Fig. 3 is a schematic structural diagram of an electronic device in an embodiment of the present application.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
A person skilled in the art, after reading the present specification, may make modifications to the present embodiments as necessary without inventive contribution, but only within the scope of the claims of the present application are protected by patent laws.
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In addition, the term "and/or" herein is only one kind of association relationship describing an associated object, and means that there may be three kinds of relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship, unless otherwise specified.
The embodiments of the present application will be described in further detail with reference to the drawings attached hereto.
The embodiment of the application provides an electric energy management method for an emergency energy storage battery, which is executed by electronic equipment, wherein the electronic equipment can be a server or terminal equipment, the server can be an independent physical server, a server cluster or a distributed system formed by a plurality of physical servers, and a cloud server for providing cloud computing service. The terminal device may be a smart phone, a tablet computer, a notebook computer, a desktop computer, etc., but is not limited thereto, the terminal device and the server may be directly or indirectly connected through a wired or wireless communication manner, and the embodiment of the present application is not limited thereto, as shown in fig. 1, the method includes step S101, step S102, step S103, step S104, and step S105, wherein,
s101, detecting whether the battery is in a working state, wherein the working state comprises a battery charging state or a battery discharging state.
The emergency energy storage battery is generally applied to outdoor rescue and other situations requiring emergency power supply. After the emergency energy storage battery is fully charged, the electric equipment is connected to the emergency energy storage battery, and the emergency energy storage battery supplies power to the electric equipment. Therefore, the working state of the battery in the emergency energy storage battery is divided into two states of charging the battery or discharging the battery to the electric equipment. It is often the case that a battery can only be in one of two states of operation, either charged or discharged, at a time. Therefore, when the battery is managed in the using process of the battery, the working state of the battery needs to be detected.
S102, if the battery is in a working state, detecting temperature values corresponding to at least two battery packs in the battery respectively, wherein the at least two battery packs are connected in parallel.
Wherein, including a plurality of groups of batteries in the emergent energy storage battery, for making emergent energy storage battery can output stable supply voltage, a plurality of groups of batteries are parallelly connected. When the battery pack is in a working state, the battery pack generates heat, so that the temperature of the battery pack is increased. Therefore, when the emergency energy storage battery is in a working state, the electronic equipment detects the temperature of the multiple groups of battery packs in the emergency energy storage battery, so that the heating condition of the battery packs can be known.
S103, if the temperature value of at least one battery pack reaches a first temperature threshold value, determining that the at least one battery pack is an abnormal battery pack.
For the embodiment of the present application, taking one of the plurality of battery packs as an example, it is assumed that the first temperature threshold is 70 ℃. When the emergency energy storage battery is in a working state, the electronic equipment detects the temperature of the battery pack, and when the temperature of the battery pack reaches 70 ℃, the abnormal condition of the battery pack is indicated. The electronic device determines the battery pack as an abnormal battery pack.
And S104, controlling the abnormal battery pack to stop charging or discharging.
For the embodiment of the present application, taking step S103 as an example, when the temperature of the abnormal battery pack reaches 70 ℃, the abnormal battery pack continues to operate, which may cause the temperature of the abnormal battery pack to continue to rise, so that the abnormal battery pack may generate accidents such as fire or explosion. Therefore, the electronic equipment controls the abnormal battery pack to stop charging or discharging, so that the temperature of the abnormal battery pack is not easy to further rise, and the possibility of accidents such as fire disasters is reduced. The electronic equipment can control the abnormal battery pack to be in a connected or disconnected state in the circuit through a relay or other switches, and further, whether the abnormal battery pack is in a working state or not is conveniently controlled.
S105, if the temperature value of the abnormal battery pack is reduced to the second temperature threshold, controlling the abnormal battery pack to continue charging or discharging until a first preset condition is met, wherein the first preset condition comprises:
the temperature value of the abnormal battery pack reaches a first temperature threshold value, or the electric quantity of the abnormal battery pack is full, or the discharge of the abnormal battery pack reaches a first preset threshold value.
With the embodiment of the present application, the temperature of the abnormal battery pack gradually decreases after the abnormal battery pack stops charging or discharging. Assuming that the second temperature threshold is 40 ℃, after the abnormal battery pack stops charging or discharging, when the temperature of the abnormal battery pack falls back to 40 ℃, the electronic device controls the abnormal battery pack to reach a working state, the abnormal battery pack is no longer in the abnormal state and continues to be charged or discharged until the temperature of the abnormal battery pack reaches the first temperature threshold again, or the electric quantity of the abnormal battery pack in the charging state is full, or the electric quantity of the abnormal battery pack in the discharging state reaches a first preset threshold, for example, the first preset threshold is that the electric quantity reaches 30%.
In a possible implementation manner of the embodiment of the present application, step S102 further includes step S106 (not shown in the figure) and step S107 (not shown in the figure), wherein,
and S106, if the battery is in a discharging state, detecting whether the electric quantity of the battery reaches a second preset threshold value.
To this application embodiment, when emergent energy storage battery was in discharge state, the electric quantity of each group battery in the emergent energy storage battery reduces gradually to emergent energy storage battery's total electric quantity reduces gradually. Assuming that the second preset threshold is 20%, the electronic device may detect whether the electric quantity of the emergency energy storage battery reaches 20% of the full-charge state through real-time detection or every preset time.
And S107, if the battery capacity reaches a second preset threshold, outputting first prompt information, wherein the first prompt information is used for representing that the battery capacity is about to be exhausted.
For the embodiment of the present application, taking step S106 as an example, when the total charge of the emergency energy storage battery is only 20% of the full charge state, it indicates that the charge of the emergency energy storage battery is about to be exhausted. The electronic equipment outputs first prompt information so as to remind a user that the electric quantity of the emergency energy storage battery is too low and is about to be exhausted. The electronic equipment can control the display screen to display the prompt message of 'low electric quantity', and can also control the buzzer to buzz so as to remind the user.
In a possible implementation manner of the embodiment of the present application, the method further includes step S108 (not shown in the figure), step S109 (not shown in the figure), step S110 (not shown in the figure), step S111 (not shown in the figure), and step S112 (not shown in the figure), where step S108 may be executed before step S106, or may be executed after step S106, or may be executed simultaneously with step S106, where,
and S108, if the battery is in a discharging state, detecting whether the electric quantity of each battery pack reaches a third preset threshold value.
For the embodiment of the application, when the electric quantity of the emergency energy storage battery is too low, the battery pack in the emergency energy storage battery may be over-discharged. The overdischarge phenomenon may cause damage to the electrode active material, lose the reaction capability, and thus shorten the life of the battery. Therefore, when the emergency energy storage battery is in a discharge state, the electronic device detects a third preset threshold value for determining whether the electric quantity of each battery pack is consumed. Assuming that the third preset threshold is 15%, when the amount of charge of the battery pack is consumed to 15% of the full charge state of the battery pack, it is indicated that the battery pack is about to enter the over-discharge state.
And S109, determining an over-discharge prevention battery pack, wherein the over-discharge prevention battery pack is at least one battery pack of which the electric quantity reaches a third preset threshold value.
For the embodiment of the present application, taking step S108 as an example, if a battery pack only has 15% of the full-charged state of the battery pack, it indicates that the battery pack will enter the over-discharge state. The electronic device identifies the battery pack as an over-discharge protection battery pack, indicating that the battery pack needs over-discharge protection.
And S110, reducing the discharge current of the over-discharge prevention battery pack.
With the embodiment of the application, the electronic equipment reduces the supply current of the over-discharge prevention battery pack, so that the damage to the over-discharge prevention battery pack is reduced. For example, a sliding rheostat can be connected in series with the over-discharge prevention battery pack, and when the remaining capacity of the battery pack is only 15% of the full-charge state of the battery pack, the electronic device increases the resistance value of the sliding rheostat, so that the effect of reducing the discharge current of the over-discharge prevention battery pack is achieved, and the speed of consuming the capacity of the over-discharge prevention battery pack is reduced.
And S111, detecting the power supply voltage of the over-discharge prevention battery pack in real time.
To this application embodiment, when preventing that the overdischarge group battery electric quantity is low excessively, in order to make to prevent that the overdischarge group battery is difficult to get into the overdischarge state, electronic equipment carries out real-time detection to the supply voltage who prevents the overdischarge group battery to the operating condition who prevents the overdischarge group battery is mastered better.
And S112, if the power supply voltage reaches the end voltage, controlling the anti-discharge battery pack to stop discharging.
For the embodiment of the present application, the termination voltage refers to the lowest operating voltage value at which the battery is not suitable for further discharging when the battery is discharged. When the electronic equipment detects that the power supply voltage of the over-discharge prevention battery pack is reduced to the end voltage, the over-discharge prevention battery pack is about to enter an over-discharge state. At the moment, the electronic equipment controls the anti-over-discharge battery pack to stop discharging, so that the anti-over-discharge battery pack is not easy to enter an over-discharge state, and further the damage to the anti-over-discharge battery pack is reduced. For example, the supply voltage of a battery pack is 3.7V, and the end voltage of the battery pack is 2.5V. Namely, when the power supply voltage of the battery pack is reduced from 3.7V to 2.5V, which indicates that the battery pack is about to enter an over-discharge state, the electronic device can control the battery pack to stop discharging through the over-discharge protection circuit.
In order to facilitate the detection of the aging degree of each battery pack, according to a possible implementation manner of the embodiment of the present application, the method further includes step S113 (not shown in the figure), step S114 (not shown in the figure), step S115 (not shown in the figure), and step S116 (not shown in the figure), where step S113 may be executed before step S102, or after step S102, or may be executed simultaneously with step S102, where,
and S113, if the battery is detected to be in the working state, recording a first time point and first current electric quantity information, wherein the first time point is a time point when the battery starts to be in the working state, and the first current electric quantity information is the electric quantity of each battery pack when the battery is in the working state.
For the embodiment of the application, the aging condition of the battery pack can be characterized by the charging speed or the discharging speed of the battery pack. When the emergency energy storage battery starts to charge or discharge, the electronic equipment records the current time point as a first time point, the first time point can be several minutes and seconds at the current place, and also can be 0 minute and 0 second at 0 hour, and the electronic equipment can be understood as starting timing from 0 moment when the first time point is 0 minute and 0 second. The electronic device records the electric quantity of each battery pack in the working state as first current electric quantity information, for example, the electric quantity of a battery pack in the working state is 10%.
And S114, detecting the electric quantity of at least two battery packs.
For the embodiment of the application, the electronic equipment measures the electric quantity of each battery pack, and the electronic equipment can detect the electric quantity of each battery pack in a real-time detection or each preset time mode, so that the electric quantity change condition of each battery pack can be known conveniently.
S115, if it is detected that the electric quantity of any battery pack satisfies a second preset condition, recording a second time point and second current electric quantity information, wherein the second time point is a time point when the electric quantity of any battery pack satisfies the second preset condition, the second current electric quantity information is the electric quantity of each battery pack when the battery satisfies the second preset condition,
the second preset condition includes:
the battery changes from being in an operating state to not being in an operating state.
For the embodiment of the application, taking charging to an emergency energy storage battery as an example, the electronic device records that a first time point when charging is started is 0 minutes and 0 seconds, the battery pack starts to be charged from 10% of the remaining electric quantity, when the battery pack is fully charged, that is, when the electric quantity reaches 100%, a second time point when the battery pack is fully charged is recorded, and the electronic device records 100% of the second current electric quantity. Assume that the second time point is 2 hours 0 minutes 0 seconds, and the electronic device records 2 hours 0 minutes 0 seconds as the second time point.
And S116, determining the aging degree of any battery pack based on the first time point, the second time point, the first current electric quantity information and the second current electric quantity information.
For the embodiment of the present application, taking step S113 as an example, when the battery pack takes two hours from 10% of the electric quantity to full charge, the charging speed is 0.75% per minute. Assuming a 1% charging rate when the battery is not in use, it indicates that the battery is aged and the charging rate decays by a factor of four.
In a possible implementation manner of the embodiment of the present application, if the battery is in the working state, the method further includes step S117 (not shown), step S118 (not shown), and step S119 (not shown), where step S117 may be executed after step S102, or may be executed simultaneously with step S102, where,
and S117, if the temperature of the at least one battery pack is detected to reach the first temperature threshold value within the preset time, determining that the at least one battery pack is a damaged battery pack.
For the embodiment of the application, it is assumed that the preset time is two minutes, and the temperature of one battery pack rises to 70 ℃ within two minutes after the emergency energy storage battery is in the working state, which indicates that the temperature of the battery pack rises too fast and the battery pack is damaged. The electronic device determines the battery pack as a damaged battery pack.
And S118, controlling the damaged battery pack to stop charging or discharging.
For the embodiment of the present application, taking step S117 as an example, the electronic device controls the damaged battery pack to stop charging or discharging. The manner in which the electronic device controls the damaged battery pack to stop charging or discharging may be the manner described in the embodiment corresponding to step S104. Thereby preventing accidents such as fire and explosion from occurring when the battery pack is damaged.
And S119, outputting second prompt information, wherein the second prompt information is used for representing that the damaged battery pack is damaged.
For the embodiment of the application, the electronic equipment can control the display screen to display the text prompt message of 'damage of the battery pack'. The electronic equipment can also prompt a user that the battery pack is damaged by controlling the buzzer to sound. The electronic equipment enables a user to know that the battery pack is damaged more timely by outputting the second prompt message.
In a possible implementation manner of the embodiment of the present application, if the battery is in the discharging state, the method further includes step S120 (not shown), step S121 (not shown), and step S122 (not shown), wherein,
and S120, detecting whether the battery supplies power for at least two electric devices.
To this application embodiment, can set up a plurality of mouths that charge on the emergent energy storage battery to it charges to a plurality of consumer. The electronic equipment supplies power to a plurality of electric equipment through detecting the emergency energy storage battery, so that the supply current of the emergency energy storage battery can be conveniently adjusted.
And S121, if the battery supplies power to at least two electric devices, detecting the power supply current of each electric device.
To this application embodiment, electronic equipment detects emergent energy storage battery and for two at least consumer power supplies backs, and electronic equipment detects emergent energy storage battery to every consumer's supply current to be convenient for master emergent energy storage battery's behavior better. For example, the emergency energy storage battery supplies power to two electric devices "a" and "B", the supply current for supplying power to the electric device "a" is 2A, and the supply current for supplying power to the electric device "B" is 0.5A.
And S122, determining an optimal discharge scheme based on the power supply current.
For the embodiment of the application, the optimal discharging scheme is determined based on the power supply current of each piece of electric equipment, so that the emergency energy storage battery can better operate, the generation of heat is reduced, the service life of a battery pack is prolonged, and the like.
Taking step S121 as an example, if the power supply current of the "a" power consumption device is 2A, and the power supply current of the "B" power consumption device is 0.5A, the optimal discharge scheme is determined as scheme one. For example, the first scheme is "90% of the number of battery packs are called to supply power to the 'a' electric equipment, and 10% of the number of battery packs are called to supply power to the 'B' electric equipment". Therefore, both the heavy-current electric equipment and the low-current electric equipment can work more stably, and the emergency energy storage battery can better distribute the work of the battery pack.
In a possible implementation manner of the embodiment of the present application, if the battery is in a charging state, the method further includes step S123 (not shown), step S124 (not shown), and step S125 (not shown), wherein,
and S123, detecting whether each battery pack reaches a full-power state in real time.
For the embodiment of the application, when the emergency energy storage battery is in a charging state, the electronic equipment detects whether the electric quantity of each battery pack reaches a full-electricity state.
And S124, determining a full-charge battery pack, wherein the full-charge battery pack is at least one battery pack in a full-charge state.
For the embodiments of the present application, when a battery pack is fully charged, the electronic device determines that the battery pack is a fully charged battery pack. Thereby facilitating distinguishing a fully charged battery pack from an insufficiently charged battery pack.
And S125, carrying out full-charge marking on the full-charge battery pack and controlling the full-charge battery pack to stop charging.
To this application embodiment, electronic equipment control full electric battery group stops to charge to make the condition of the excessive rush of electricity be difficult to appear in full electric battery group, and then make full electric battery group be difficult to take place to damage. The electronic equipment marks the full charge of the full-charge battery pack, and when all the battery packs are fully charged, the full-charge marking is carried out on all the battery packs. And adding the electric quantity of the battery pack with all full-electricity marks, so that the electronic equipment knows that the total electric quantity of the emergency energy storage battery reaches a full-electricity state.
The above embodiment introduces an emergency energy storage battery electric energy management method from the perspective of a method flow, and the following embodiment introduces an emergency energy storage battery electric energy management device from the perspective of a virtual module or a virtual unit, which is described in detail in the following embodiment.
The embodiment of the present application provides a device for electric energy management of an emergency energy storage battery, as shown in fig. 2, the device 20 for electric energy management of an emergency energy storage battery specifically may include:
an apparatus 20 for emergency energy storage battery power management, comprising:
the first detection module 201 is configured to detect whether a battery is in a working state, where the working state includes a battery charging state or a battery discharging state;
the temperature detection module 202 is used for detecting temperature values respectively corresponding to at least two battery packs in the battery when the battery is in a working state, and the at least two battery packs are connected in parallel;
the first determining module 203 is configured to determine that the at least one battery pack is an abnormal battery pack when the temperature value of the at least one battery pack reaches a first temperature threshold;
a first control module 204 for controlling the abnormal battery pack to stop charging or discharging;
the second control module 205 is configured to, when the temperature value of the abnormal battery pack is reduced to the second temperature threshold, control the abnormal battery pack to continue to be charged or discharged until a first preset condition is met, where the first preset condition includes:
the temperature value of the abnormal battery pack reaches a first temperature threshold value, or the electric quantity of the abnormal battery pack is full, or the discharge of the abnormal battery pack reaches a first preset threshold value.
For the embodiment of the present application, the first detecting module 201 detects whether the battery is in a working state, and when the battery is in the working state, the temperature detecting module 202 detects the temperature value of each battery pack in the battery, so as to facilitate understanding of the temperature of each battery pack during working. If it is detected that the temperature value of at least one battery pack reaches the first temperature threshold, it indicates that the battery pack is abnormal, the first determining module 203 determines the battery pack as the first determining module, and the temperature of the abnormal battery pack is too high, and the first control module 204 controls the abnormal battery pack to stop charging or discharging, so that the temperature of the abnormal battery pack is not easily increased further. Thereby reducing the possibility of fire and other dangers. After the abnormal battery pack stops charging or discharging, the cooling temperature gradually decreases, and when the temperature of the abnormal battery pack decreases to the second temperature threshold, which indicates that the temperature value of the abnormal battery pack is within the safety interval, the second control module 205 controls the abnormal battery pack to continue charging or discharging. Whether each battery pack works or not is further controlled by detecting the temperature value of each battery pack, so that the batteries can be used more safely, and the possibility of accidents is reduced.
In a possible implementation manner of the embodiment of the present application, the apparatus 20 further includes:
the second detection module is used for detecting whether the electric quantity of the battery reaches a second preset threshold value when the battery is in a discharging state;
and the first output module is used for outputting first prompt information when the electric quantity of the battery reaches a second preset threshold value, and the first prompt information is used for representing that the electric quantity of the battery is about to be exhausted.
In a possible implementation manner of the embodiment of the present application, the apparatus 20 further includes:
the third detection module is used for detecting whether the electric quantity of each battery pack reaches a third preset threshold value when the battery is in a discharging state;
the second determination module is used for determining an over-discharge prevention battery pack, wherein the over-discharge prevention battery pack is a battery pack of which at least one electric quantity reaches a third preset threshold value;
the current reducing module is used for reducing the discharging current of the over-discharging prevention battery pack;
the fourth detection module is used for detecting the power supply voltage of the over-discharge prevention battery pack in real time;
and the third control module is used for controlling the anti-over-discharge battery pack to stop discharging when the power supply voltage reaches the termination voltage.
In a possible implementation manner of the embodiment of the present application, the apparatus 20 further includes:
the first recording module is used for recording a first time point and first current electric quantity information when the battery is detected to be in a working state, wherein the first time point is the time point when the battery starts to be in the working state, and the first current electric quantity information is the electric quantity of each battery pack when the battery is in the working state;
the fifth detection module is used for detecting the electric quantity of at least two battery packs;
a second recording module, configured to record a second time point and second current electric quantity information when it is detected that the electric quantity of any battery pack satisfies a second preset condition, where the second time point is a time point when the electric quantity of any battery pack satisfies the second preset condition, and the second current electric quantity information is an electric quantity of each battery pack when the battery satisfies the second preset condition,
the second preset condition includes:
the battery is changed from being in the working state to not being in the working state;
and the third determining module is used for determining the aging degree of any battery pack based on the first time point, the second time point, the first current electric quantity information and the second current electric quantity information.
In a possible implementation manner of the embodiment of the present application, the apparatus 20 further includes:
the fourth determining module is used for determining that the at least one battery pack is a damaged battery pack when the temperature of the at least one battery pack is detected to reach the first temperature threshold value within the preset time;
the fourth control module is used for controlling the damaged battery pack to stop charging or discharging;
and the second output module is used for outputting second prompt information, and the second prompt information is used for representing that the damaged battery pack is damaged.
In a possible implementation manner of the embodiment of the present application, the apparatus 20 further includes:
the sixth detection module is used for detecting whether the battery supplies power for at least two pieces of electric equipment;
the seventh detection module is used for detecting the power supply current of each piece of electric equipment when the battery supplies power to at least two pieces of electric equipment;
a fifth determination module to determine an optimal discharge schedule based on the supply current.
In a possible implementation manner of the embodiment of the present application, the apparatus 20 further includes:
the eighth detection module is used for detecting whether each battery pack reaches a full-charge state in real time;
the fifth determining module is used for determining a full-charge battery pack, wherein the full-charge battery pack is at least one battery pack in a full-charge state;
and the fifth control module is used for carrying out full-charge marking on the full-charge battery pack and controlling the full-charge battery pack to stop charging.
In the embodiment of the present application, the first detection module 201, the temperature detection module 202, the second detection module, the third detection module, the fourth detection module, the fifth detection module, the sixth detection module, the seventh detection module, and the eighth detection module may be the same detection module, or may be different detection modules, or may be partially the same detection module. The first determining module 203, the second determining module, the third determining module, the fourth determining module and the fifth determining module may be the same determining module, may be different determining modules, or may be partially the same determining module. The first control module 204, the second control module 205, the third control module, the fourth control module, and the fifth control module may be the same control module, may be different control modules, or may be partially the same control module. The first output module and the second output module may be the same output module or different output modules. The first recording module and the second recording module may be the same recording module or different recording modules.
The embodiment of the present application provides an apparatus 20 for emergency energy storage battery management, which is suitable for the above method embodiments and is not described herein again.
In an embodiment of the present application, an electronic device is provided, and as shown in fig. 3, an electronic device 30 shown in fig. 3 includes: a processor 301 and a memory 303. Wherein processor 301 is coupled to memory 303, such as via bus 302. Optionally, the electronic device 300 may also include a transceiver 304. It should be noted that the transceiver 304 is not limited to one in practical applications, and the structure of the electronic device 30 is not limited to the embodiment of the present application.
The Processor 301 may be a CPU (Central Processing Unit), a general-purpose Processor, a DSP (Digital Signal Processor), an ASIC (Application Specific Integrated Circuit), an FPGA (Field Programmable Gate Array) or other Programmable logic device, a transistor logic device, a hardware component, or any combination thereof. Which may implement or perform the various illustrative logical blocks, modules, and circuits described in connection with the disclosure. The processor 301 may also be a combination of computing functions, e.g., comprising one or more microprocessors, a combination of a DSP and a microprocessor, or the like.
The Memory 303 may be a ROM (Read Only Memory) or other type of static storage device that can store static information and instructions, a RAM (Random Access Memory) or other type of dynamic storage device that can store information and instructions, an EEPROM (Electrically Erasable Programmable Read Only Memory), a CD-ROM (Compact Disc Read Only Memory) or other optical Disc storage, optical Disc storage (including Compact Disc, laser Disc, optical Disc, digital versatile Disc, blu-ray Disc, etc.), a magnetic Disc storage medium or other magnetic storage device, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer, but is not limited to these.
The memory 303 is used for storing application program codes for executing the scheme of the application, and the processor 301 controls the execution. The processor 301 is configured to execute application program code stored in the memory 303 to implement the aspects illustrated in the foregoing method embodiments.
Among them, electronic devices include but are not limited to: mobile terminals such as mobile phones, notebook computers, digital broadcast receivers, PDAs (personal digital assistants), PADs (tablet computers), PMPs (portable multimedia players), in-vehicle terminals (e.g., in-vehicle navigation terminals), and the like, and fixed terminals such as digital TVs, desktop computers, and the like. But also a server, etc. The electronic device shown in fig. 3 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present disclosure.
The present application provides a computer-readable storage medium, on which a computer program is stored, which, when running on a computer, enables the computer to execute the corresponding content in the foregoing method embodiments. Compared with the prior art, the temperature value of each battery pack in the battery is detected when the battery is in the working state, so that the temperature of each battery pack in the working state can be conveniently known. If the temperature value of at least one battery pack is detected to reach the first temperature threshold value, the battery pack is an abnormal battery pack, the temperature of the abnormal battery pack is too high, and the electronic equipment controls the abnormal battery pack to stop charging or discharging, so that the temperature of the abnormal battery pack is not easy to further rise. Thereby reducing the possibility of fire and other dangers. And after the abnormal battery pack stops charging or discharging, gradually cooling the abnormal battery pack to gradually lower the temperature, and when the temperature of the abnormal battery pack is reduced to a second temperature threshold value, indicating that the temperature value of the abnormal battery pack is in a safety interval, so that the abnormal battery pack is controlled to continue charging or discharging. Whether each battery pack works or not is further controlled by detecting the temperature value of each battery pack, so that the batteries can be used more safely, and the possibility of accidents is reduced.
It should be understood that, although the steps in the flowcharts of the figures are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and may be performed in other orders unless explicitly stated herein. Moreover, at least a portion of the steps in the flow chart of the figure may include multiple sub-steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed alternately or alternately with other steps or at least a portion of the sub-steps or stages of other steps.
The foregoing is only a partial embodiment of the present application, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations should also be regarded as the protection scope of the present application.
Claims (9)
1. An electric energy management method for an emergency energy storage battery is characterized by comprising the following steps:
detecting whether a battery is in a working state, wherein the working state comprises a charging state or a discharging state;
if the battery is in a working state, detecting temperature values respectively corresponding to at least two battery packs in the battery, wherein the at least two battery packs are connected in parallel;
if the temperature value of at least one battery pack reaches a first temperature threshold value, determining that the at least one battery pack is an abnormal battery pack;
controlling the abnormal battery pack to stop charging or discharging;
if the temperature value of the abnormal battery pack is reduced to a second temperature threshold value, controlling the abnormal battery pack to continue charging or discharging until a first preset condition is met, wherein the first preset condition comprises:
the temperature value of the abnormal battery pack reaches a first temperature threshold value, or the abnormal battery pack is fully charged, or the abnormal battery pack discharges to reach a first preset threshold value;
if the battery is detected to be in the working state, recording a first time point and first current electric quantity information, wherein the first time point is a time point when the battery starts to be in the working state, and the first current electric quantity information is the electric quantity of each battery pack when the battery is in the working state;
detecting the electric quantity of the at least two battery packs;
if the electric quantity of any battery pack is detected to meet a second preset condition, recording a second time point and second current electric quantity information, wherein the second time point is the time point when the electric quantity of any battery pack meets the second preset condition, the second current electric quantity information is the electric quantity of each battery pack when the battery meets the second preset condition,
the second preset condition includes:
the battery is changed from being in a working state to not being in a working state;
determining a degree of aging of the any battery pack based on the first time point, the second time point, first current electric quantity information, and second current electric quantity information.
2. The method according to claim 1, wherein if the battery is in a working state, detecting temperature values respectively corresponding to at least two battery packs in the battery, and then:
if the battery is in a discharging state, detecting whether the electric quantity of the battery reaches a second preset threshold value;
and if the battery electric quantity reaches a second preset threshold value, outputting first prompt information, wherein the first prompt information is used for representing that the battery electric quantity is about to be exhausted.
3. The method for emergency energy storage battery power management according to claim 1, further comprising:
if the battery is in a discharging state, detecting whether the electric quantity of each battery pack reaches a third preset threshold value;
determining an over-discharge prevention battery pack, wherein the over-discharge prevention battery pack is at least one battery pack of which the electric quantity reaches a third preset threshold value;
reducing the discharge current of the over-discharge prevention battery pack;
detecting the power supply voltage of the over-discharge prevention battery pack in real time;
and if the power supply voltage reaches the termination voltage, controlling the anti-over-discharge battery pack to stop discharging.
4. The method of claim 1, wherein if the battery is in an operating state, the method further comprises:
if the temperature of at least one battery pack is detected to reach a first temperature threshold value within preset time, determining that the at least one battery pack is a damaged battery pack;
controlling the damaged battery pack to stop charging or discharging;
and outputting second prompt information, wherein the second prompt information is used for representing that the damaged battery pack is damaged.
5. The method of claim 1, wherein if the battery is in a discharged state, the method further comprises:
detecting whether the battery supplies power for at least two electric devices;
if the battery supplies power for at least two electric devices, detecting the power supply current of each electric device;
an optimal discharge schedule is determined based on the supply current.
6. The method of claim 1, wherein if the battery is in a charging state, the method further comprises:
detecting whether each battery pack reaches a full-charge state in real time;
determining a full-charge battery pack, wherein the full-charge battery pack is at least one battery pack in a full-charge state;
and carrying out full-electricity marking on the full-electricity battery pack and controlling the full-electricity battery pack to stop charging.
7. An apparatus for emergency energy storage battery power management, comprising:
the first detection module is used for detecting whether the battery is in a working state or not, wherein the working state comprises a charging state or a discharging state;
the temperature detection module is used for detecting temperature values respectively corresponding to at least two battery packs in the battery when the battery is in a working state, and the at least two battery packs are connected in parallel;
the first determination module is used for determining that at least one battery pack is an abnormal battery pack when the temperature value of the at least one battery pack reaches a first temperature threshold value;
the first control module is used for controlling the abnormal battery pack to stop charging or discharging;
the second control module is used for controlling the abnormal battery pack to continue charging or discharging until a first preset condition is met when the temperature value of the abnormal battery pack is reduced to a second temperature threshold, wherein the first preset condition comprises:
the temperature value of the abnormal battery pack reaches a first temperature threshold value, or the abnormal battery pack is fully charged, or the abnormal battery pack discharges to reach a first preset threshold value;
the first recording module is used for recording a first time point and first current electric quantity information when the battery is detected to be in a working state, wherein the first time point is a time point when the battery starts to be in the working state, and the first current electric quantity information is the electric quantity of each battery pack when the battery is in the working state;
the fifth detection module is used for detecting the electric quantity of the at least two battery packs;
a second recording module, configured to record a second time point and second current electric quantity information when it is detected that the electric quantity of any battery pack satisfies a second preset condition, where the second time point is a time point when the electric quantity of any battery pack satisfies the second preset condition, and the second current electric quantity information is an electric quantity of each battery pack when the battery satisfies the second preset condition,
the second preset condition includes:
the battery is changed from being in a working state to not being in a working state;
and the third determining module is used for determining the aging degree of any battery pack based on the first time point, the second time point, the first current electric quantity information and the second current electric quantity information.
8. An electronic device, comprising:
one or more processors;
a memory;
one or more applications, wherein the one or more applications are stored in the memory and configured to be executed by the one or more processors, the one or more applications configured to: executing the emergency energy storage battery electric energy management method according to any one of claims 1-6.
9. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, implements an emergency energy storage battery power management method according to any one of claims 1 to 6.
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| CN116613402A (en) * | 2023-07-17 | 2023-08-18 | 宁德时代新能源科技股份有限公司 | Battery charging control method, system, device, equipment and storage medium |
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