CN117270772A - Method and device for storing data, electronic equipment, storage medium and energy storage system - Google Patents

Method and device for storing data, electronic equipment, storage medium and energy storage system Download PDF

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Publication number
CN117270772A
CN117270772A CN202311218382.0A CN202311218382A CN117270772A CN 117270772 A CN117270772 A CN 117270772A CN 202311218382 A CN202311218382 A CN 202311218382A CN 117270772 A CN117270772 A CN 117270772A
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target
data
module
parameter
storage
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CN202311218382.0A
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Inventor
艾博文
谭永宝
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Suzhou Shidai Xin'an Energy Technology Co ltd
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Suzhou Shidai Xin'an Energy Technology Co ltd
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Priority to CN202311218382.0A priority Critical patent/CN117270772A/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
    • G06F3/0638—Organizing or formatting or addressing of data
    • G06F3/0644—Management of space entities, e.g. partitions, extents, pools
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
    • G06F3/0614—Improving the reliability of storage systems
    • G06F3/0616—Improving the reliability of storage systems in relation to life time, e.g. increasing Mean Time Between Failures [MTBF]

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)

Abstract

The method is applied to a memory module, target data can be obtained from an energy storage control module, the target data can comprise data which are respectively sent to the energy storage control module by a photovoltaic power generation module, a power conversion module, a battery management module, a remote communication module and an upper computer, then a target parameter type corresponding to the target data can be determined according to a preset corresponding relation, then a target storage partition corresponding to the target parameter type can be determined according to the corresponding relation between the preset parameter type and the storage partition, and then the target data is stored in the target storage partition. According to the method, the parameter data of the energy storage system are classified, and then the parameter data under different parameter categories are stored in the corresponding sub-storage partitions, so that the storage erasing can be performed by taking the sub-storage partitions as a unit, the erasing times of the memory are reduced as a whole, the service life of the memory is prolonged, and the cost is saved.

Description

Method and device for storing data, electronic equipment, storage medium and energy storage system
Technical Field
The application belongs to the technical field of energy storage communication, and particularly relates to a method and device for storing data, electronic equipment, a storage medium and an energy storage system.
Background
During operation of the energy storage system, system state data is stored through the memory.
Because the erasing times of the memory are fixed, and the data generated by the energy storage system in the operation process changes rapidly, the reading times of the memory are increased, and the service life of the memory is not high. However, in the prior art, the energy storage system is mainly controlled or monitored, and the erasing frequency of the memory cannot be reduced, so that the service life of the data storage cannot be prolonged.
Thus, the prior art has the following problems: the lifetime of memory data storage is not high.
Disclosure of Invention
The embodiment of the application provides a method, a device, electronic equipment, a storage medium and an energy storage system for storing data, which solve the problem of low service life of storage data storage.
In a first aspect, embodiments of the present application provide a method for storing data, applied to a memory module, the method including:
acquiring target data from an energy storage control module, wherein the target data comprises data which are respectively sent to the energy storage control module by a photovoltaic power generation module, a power conversion module, a battery management module, a remote communication module and an upper computer;
Determining a target parameter class corresponding to the target data according to a first corresponding relation between preset data and the parameter class;
determining a target storage partition corresponding to the target parameter category according to a second corresponding relation between the preset parameter category and the storage partition;
the target data is stored in the target storage partition.
In some possible implementations, before determining the target storage partition corresponding to the target parameter class according to the second correspondence between the preset parameter class and the storage partition, the method further includes:
dividing a memory into a preset number of memory partitions;
and generating a second corresponding relation between the parameter categories and the storage partitions, wherein the storage partition corresponding to each parameter category is used for storing data corresponding to the parameter category.
In some possible implementations, the parameter categories include at least one of hardware parameters, configuration parameters, control parameters, operational parameters, and fault information parameters.
In some possible implementations, the method further includes:
under the condition that an erasing instruction corresponding to a target erasing condition is detected, determining the parameter type corresponding to the target erasing condition as a target erasing parameter type according to a third corresponding relation between the parameter type and the erasing condition;
And erasing and writing the data in the storage partition corresponding to the target erasing and writing parameter type based on the erasing and writing instruction.
In some possible implementations, before determining, according to the third correspondence between the parameter category and the erasing condition, that the parameter category corresponding to the target erasing condition is the target erasing parameter category, the method further includes:
and establishing a corresponding relation between each parameter type and the erasing condition to obtain a third corresponding relation between the parameter type and the erasing condition.
In some possible implementations, the erasing condition includes at least one of a power-on initialization, a manual issue instruction, a data change, a preset time period, and a malfunction.
In some possible implementations, the method further includes:
acquiring the actual erasing times of each storage partition;
and under the condition that the actual erasing times of at least one storage partition is larger than or equal to the target threshold value, the data in the plurality of storage partitions are restored according to the fourth corresponding relation between the parameter type and the storage partition.
In some possible implementations, storing the target data in the target storage partition includes:
according to a preset check rule, calculating to obtain a check value corresponding to the target data;
The target data and the check value are stored in the target storage partition.
In a second aspect, embodiments of the present application further provide an apparatus for storing data, where the apparatus includes:
the acquisition module is used for acquiring target data from the energy storage control module, wherein the target data comprises data which are respectively sent to the energy storage control module by the photovoltaic power generation module, the power conversion module, the battery management module, the remote communication module and the upper computer;
the determining module is used for determining a target parameter category corresponding to the target data according to a first corresponding relation between preset data and the parameter category;
the determining module is further used for determining a target storage partition corresponding to the target parameter category according to a second corresponding relation between the preset parameter category and the storage partition;
and the storage module is used for storing the target data into the target storage partition.
In some possible implementations, before the determining module is further configured to determine, according to a second correspondence between preset parameter types and storage partitions, a target storage partition corresponding to the target parameter type, the apparatus further includes a partition module and a generating module:
the partition module is used for dividing the memory into a preset number of memory partitions;
the generation module is used for generating a second corresponding relation between the parameter categories and the storage partitions, wherein the storage partition corresponding to each parameter category is used for storing data corresponding to the parameter category.
In some possible implementations, the parameter categories include at least one of hardware parameters, configuration parameters, control parameters, operational parameters, and fault information parameters.
In some possible implementations, the apparatus further includes an erasing module:
the determining module is further configured to determine, when an erasure instruction corresponding to a target erasure condition is detected, that a parameter class corresponding to the target erasure condition is a target erasure parameter class according to a third correspondence between parameter classes and erasure conditions;
and the erasing module is used for erasing the data in the storage partition corresponding to the target erasing parameter type based on the erasing instruction.
In some possible implementations, before the determining module is further configured to determine, when detecting the erasure instruction corresponding to the target erasure condition, that the parameter class corresponding to the target erasure condition is the target erasure parameter class according to the third correspondence between the parameter class and the erasure condition, the apparatus further includes a building module:
the establishing module is used for establishing the corresponding relation between each parameter type and the erasing condition to obtain a third corresponding relation between the parameter type and the erasing condition.
In some possible implementations, the erasing condition includes at least one of a power-on initialization, a manual issue instruction, a data change, a preset time period, and a malfunction.
In some possible implementations, the apparatus further includes:
the acquisition module is also used for acquiring the actual erasing times of each storage partition;
and the storage module is also used for storing the data in the plurality of storage partitions again according to the fourth corresponding relation between the parameter types and the storage partitions under the condition that the actual erasing times of at least one storage partition is larger than or equal to the target threshold value.
In some possible implementations, the storage module is configured to store target data into a target storage partition, including:
the computing unit is used for computing and obtaining a verification value corresponding to the target data according to a preset verification rule;
and the storage unit is used for storing the target data and the check value into the target storage partition.
In a third aspect, embodiments of the present application further provide an energy storage system, including:
the energy storage control module is respectively and electrically connected with the photovoltaic power generation module, the power conversion module, the battery management module, the remote communication module and the upper computer; the energy storage control module is used for receiving target data respectively sent by the photovoltaic power generation module, the power conversion module, the battery management module, the remote communication module and the upper computer and sending the target data to the memory module;
The memory module is electrically connected with the energy storage control module and is used for determining a target parameter category corresponding to the target data according to a first corresponding relation between preset data and the parameter category; determining a target storage partition corresponding to the target parameter category according to a second corresponding relation between the preset parameter category and the storage partition; the target data is stored in the target storage partition.
In some possible implementations, the energy storage system further comprises:
the memory module is also electrically connected with the photovoltaic power generation module, the power conversion module, the battery management module and the upper computer respectively;
the memory module is further used for respectively receiving a reading request of a target device, wherein the reading request comprises a target parameter category, and the target device comprises at least one of a photovoltaic power generation module, a power conversion module, a battery management module and an upper computer;
the memory module is also used for inquiring the target storage partition corresponding to the target parameter category according to the corresponding relation between the parameter category and the storage partition;
the memory module is also used for sending the data in the target storage partition to the target device.
In some possible implementations, the energy storage system further comprises:
The remote communication module is electrically connected with a power grid or a power station.
In a fourth aspect, embodiments of the present application also provide an apparatus comprising a processor and a memory storing computer program instructions; the processor, when executing the computer program instructions, implements the first aspect, or the method of storing data in any one of the possible implementations of the first aspect.
In a fifth aspect, embodiments of the present application further provide a computer-readable storage medium having stored thereon computer program instructions that, when executed by a processor, implement the first aspect, or a method of storing data in any possible implementation of the first aspect.
According to the method, the device, the electronic equipment, the storage medium and the energy storage system for storing data, the storage module obtains target data from the energy storage control module, the target data can comprise data which are respectively sent to the energy storage control module by the photovoltaic power generation module, the power conversion module, the battery management module, the remote communication module and the upper computer, then the target parameter type corresponding to the target data can be determined according to the first corresponding relation between the preset data and the parameter type, then the target storage partition corresponding to the target parameter type can be determined according to the second corresponding relation between the preset parameter type and the storage partition, and then the target data is stored in the target storage partition. According to the method, the first corresponding relation is obtained by classifying the parameter data of the energy storage system, then the parameter type of the target parameter data and the corresponding sub-storage partition can be obtained, and erasing can be performed by taking the sub-storage partition as a unit, so that the erasing times can be reduced, and the service life of the storage is prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments of the present application will be briefly described, and it is possible for a person skilled in the art to obtain other drawings according to these drawings without inventive effort.
FIG. 1 is a flow chart of a method for storing data according to an embodiment of the present application;
FIG. 2 is a flow chart of a method for storing data according to an embodiment of the present application;
FIG. 3 is a flow chart of a method for storing data according to an embodiment of the present application;
FIG. 4 is a flow chart of a method for storing data according to an embodiment of the present application;
FIG. 5 is a schematic diagram of a memory storing data according to an embodiment of the present application;
FIG. 6 is a schematic diagram of an apparatus for storing data according to an embodiment of the present application;
FIG. 7 is a schematic diagram of an energy storage system according to an embodiment of the present disclosure;
fig. 8 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
Features and exemplary embodiments of various aspects of the present application are described in detail below to make the objects, technical solutions and advantages of the present application more apparent, and to further describe the present application in conjunction with the accompanying drawings and the detailed embodiments. It should be understood that the specific embodiments described herein are intended to be illustrative of the application and are not intended to be limiting. It will be apparent to one skilled in the art that the present application may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present application by showing examples of the present application.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
In the energy storage system, the operation of the equipment needs to be configured and adjusted according to the application scene, such as system parameters, control parameters and other parameter data, the state data needs to be recorded and observed in the system operation process, the data record is usually stored by adopting a memory, and the data stored in the memory determines whether the energy storage system can normally operate. As described in the background art, the erasing times of the memory is fixed, and the memory is increased due to the large data size and fast change speed of the energy storage system, so that the upper limit of the erasing times of the memory can be reached more quickly, and the problem of low service life of the memory is caused. In addition, because the electromagnetic interference of the surrounding environment in which the energy storage equipment operates is serious, the data is easy to be lost or changed in the storage process, and the energy storage system works abnormally, so the problem of low accuracy of the stored data also exists in the prior art.
Based on this, the embodiment of the application provides a method, a device, an electronic device, a storage medium and an energy storage system for storing data, which can classify pre-stored data and store the data into different sub-partitions of a memory, and can erase and write the data in units of the sub-partitions according to the erasing and writing conditions of the data, so that the service life of the memory is prolonged. On the basis, the data and the check value are stored into the memory together through checking the data, so that the external equipment can read the data and the check value stored in the memory at the same time, and the accuracy of the data can be further ensured.
The following describes the technical scheme of the application by taking an energy storage system as an example. The energy storage system can include a photovoltaic power generation module, a power conversion module, a battery management module, a remote communication module, an energy storage control module, a memory module and an upper computer. Specifically, the data interaction process between the modules is as follows:
the power grid/station may send the voltage, current, and power to the remote communication module, which may forward the grid voltage and current to the energy storage control module.
Photovoltaic power generation module: the photovoltaic power generation module can be composed of a plurality of pv photovoltaic modules, the photovoltaic power generation module can convert solar energy into electric energy, and the photovoltaic power generation module can send voltage and current to the energy storage control module.
And a power conversion module: the power conversion module is an interface between a battery and a power grid, determines the output electric energy quality and dynamic characteristics of the energy storage system, and influences the service life of the battery to a great extent. The power conversion module can control the charge and discharge of the battery and can send data such as battery pack state information to the energy storage control module.
And a battery management module: the battery management system (Battery Management System, BMS for short) and the battery are responsible for monitoring and managing the battery in real time, can effectively monitor various states of the battery, such as voltage, current, temperature, state of charge, health state and other data, and can safely manage the charging and discharging processes of the battery system, such as overcharge prevention, overdischarge management and other protection functions. The battery management module can send parameter data such as current and voltage, battery capacity, battery temperature, health status and the like to the energy storage control module.
The energy storage control module: the system parameters received by the energy storage control module can comprise hardware parameters, configuration parameters, control parameters, operation parameters and fault information parameters sent to the energy storage control module by the photovoltaic power generation module, the power conversion module and the battery management module, and can also comprise voltage and current of a power grid sent by the remote communication module and control parameters sent by the upper computer. The energy storage control module can sort the received system parameters and then send the system parameters to the memory module for storage, and meanwhile, can upload real-time operation data such as voltage and current to the cloud platform/upper computer/application program for real-time monitoring of the monitoring system on the system parameters.
The energy storage control module can collect the working condition data and monitor the working condition data in real time through the monitoring system, and besides, the embodiment of the application can store, manage and check the parameters locally and avoid accidents in the local management system.
Having described the overall flow of the energy storage system, the method for storing data provided in the embodiments of the present application is further described in detail below with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of a method for storing data, applied to a memory module, as shown in fig. 1, according to an embodiment of the present application, where the method may include S110-S140.
S110, acquiring target data from the energy storage control module, wherein the target data comprises data which are respectively sent to the energy storage control module by the photovoltaic power generation module, the power conversion module, the battery management module, the remote communication module and the upper computer.
Target data refers to data that needs to be stored to memory. Taking an energy storage system as an example, many system data, such as the working temperature, voltage, charge-discharge current, power generation amount, failure time, etc., of the equipment are generated during the actual operation of the energy storage system, and these system parameters need to be stored in a memory. The target data in the embodiment of the application may be parameters that need to be stored in the energy storage system.
Specifically, step S110 may be understood that the memory module may acquire target data from the energy storage control module, where the target data may include data sent to the energy storage control module by the photovoltaic power generation module, the power conversion module, the battery management module, the remote communication module, and the host computer, respectively. For example, the photovoltaic power module may send its hardware parameters, configuration parameters, control parameters, operating parameters, and fault information parameters to the energy storage control module, which may then send the data of the photovoltaic power module to the memory module.
S120, determining a target parameter class corresponding to the target data according to a first corresponding relation between the preset data and the parameter class.
The correspondence between data and parameter categories may be referred to as a first correspondence, which refers to classifying data to be stored in advance into different parameter categories.
Specifically, step S120 may be understood that, according to the preset first correspondence between the data and the parameter types, the target parameter types corresponding to the target data may be determined. That is, the parameter type to which the target data acquired in step S110 belongs can be known in step S120.
In some embodiments, the parameter categories may include at least one of hardware parameters, configuration parameters, control parameters, operational parameters, and fault information parameters.
The hardware parameters refer to the hardware parameters of the battery, such as the manufacturer of the battery, the number of battery cells in the battery pack, and the like.
Configuration parameters: such as the battery voltage of each cell configuration.
Control parameters refer to control parameters for charging and discharging the battery, such as precharge current, discharge current, minimum voltage, maximum voltage, etc.
The operation parameters refer to parameters of the battery when actually operated, such as actual discharge current, voltage, power, battery temperature, etc.
Fault information parameters such as battery under-voltage fault information.
The parameter types can comprise at least one of hardware parameters, configuration parameters, control parameters, operation parameters and fault information parameters, and the parameter types are related to the battery and need to be stored in a memory, and since the data are not lost after the memory is powered down, key data in the memory can be read in the equipment fault checking and repairing stage, thereby being beneficial to positioning and removing equipment faults.
S130, determining a target storage partition corresponding to the target parameter category according to a second corresponding relation between the preset parameter category and the storage partition.
The corresponding relation between the parameter types and the storage partitions can be called a second corresponding relation, and data under different parameter types can be correspondingly stored in different storage partitions through the second corresponding relation.
Specifically, step S130 may be understood that, according to the second correspondence between the preset parameter types and the storage partitions, the target storage partition corresponding to the target parameter type may be determined, that is, the target storage partition corresponding to and storing the target data in the target parameter type is determined.
In some embodiments, before determining the target storage partition corresponding to the target parameter class according to the second correspondence between the preset parameter class and the storage partition, the method further includes:
dividing a memory into a preset number of memory partitions;
and generating a second corresponding relation between the parameter categories and the storage partitions, wherein the storage partition corresponding to each parameter category is used for storing data corresponding to the parameter category.
The memory refers to a component for storing target data, and is a nonvolatile memory such as an on-chip FLASH memory FLASH of a microcontroller (Microcontroller Unit, MCU), an external FLASH memory FLASH, or a programmable read-only memory (Electrically Erasable Programmableread only memory, EEPROM) is used. The storage can ensure that key data are not lost after the system equipment is powered down, and state data related to the running process of the system in the storage can be read for positioning and removing equipment faults in the equipment fault checking and repairing stage.
It may be appreciated that, before determining the target storage partition of the target data storage in step S130, the memory may be first divided into a preset number of storage partitions, and a second correspondence between the parameter types and the storage partitions is generated, and according to the second correspondence, the data under the parameter types may be stored in the corresponding storage partitions.
And S140, storing target data into the target storage partition.
According to step S120, a target parameter class corresponding to the target data may be obtained, and according to step S130, a target storage partition corresponding to the target parameter class may be obtained, so step S140 may store the target data into the corresponding target storage partition, thereby implementing that the target data of different parameter classes are stored into the corresponding sub-partition (i.e., the target storage partition), so that erasing may be performed in units of the sub-partition, and the lifetime of the memory may be improved.
In the embodiment of the application, the target parameter category corresponding to the target data can be determined by acquiring the target data and then according to the first corresponding relation between the preset data and the parameter category, and then the target storage partition corresponding to the target parameter category can be determined according to the second corresponding relation between the preset parameter category and the storage partition, so that the target data is stored in the target storage partition. According to the method, the first corresponding relation is obtained by classifying the parameter data of the energy storage system, then the parameter type of the target parameter data and the corresponding sub-storage partition (namely the target storage partition) can be obtained, and the sub-storage partition can be used as a unit for erasing, so that the erasing times can be reduced, and the service life of the storage is prolonged.
In some embodiments, as shown in fig. 2, the method of storing data further comprises:
s150, under the condition that an erasing instruction corresponding to a target erasing condition is detected, determining the parameter type corresponding to the target erasing condition as a target erasing parameter type according to a third corresponding relation between the parameter type and the erasing condition; and erasing and writing the data in the storage partition corresponding to the target erasing and writing parameter type based on the erasing and writing instruction.
The corresponding relation between the parameter types and the erasing conditions can be called a third corresponding relation, and different erasing conditions corresponding to the data of different parameter types can be obtained according to the third corresponding relation.
It will be appreciated that, since different types of data have been stored in the sub-partition in step S140, when the data in the memory is erased, the sub-partition may be individually erased according to the different types to which the data belong. Specifically, when the erasing instruction corresponding to the target erasing condition is detected, according to the third corresponding relation between the parameter type and the erasing condition, the parameter type corresponding to the target erasing condition can be determined, and the parameter type can be called as a target erasing parameter type, and then the erasing operation is performed on the data in the storage partition corresponding to the target erasing parameter type based on the erasing instruction.
According to the embodiment, under the condition that the erasing command is detected, according to the corresponding relation between the erasing condition and the parameter type, the data in the corresponding storage partition can be erased based on the erasing command, so that the erasing is performed by taking the sub-partition as a unit, and the service life of the memory is prolonged.
In some embodiments, in the case of detecting the erasing instruction corresponding to the target erasing condition, before determining that the parameter type corresponding to the target erasing condition is the target erasing parameter type according to the third correspondence between the parameter type and the erasing condition, the method for storing data further includes:
and establishing a corresponding relation between each parameter type and the erasing condition to obtain a third corresponding relation between the parameter type and the erasing condition.
It can be understood that, according to the corresponding relationship between each parameter type and the erasing condition, a third corresponding relationship can be established, that is, different parameter types in the third corresponding relationship correspond to different erasing conditions.
In some embodiments, the erasing condition includes at least one of a power-on initialization, a manual command, a data change, a preset time period, and a malfunction.
It is understood that the erasing condition may include at least one of power-on initialization, manual issue instruction, data change, preset time period, and malfunction. For example, under the condition of power-on initialization, erasing and writing data in a memory partition corresponding to the hardware parameter; after the manual command is issued, erasing and writing the data in the storage partition corresponding to the configuration parameters; after detecting that the control parameters are changed, erasing and writing the data in the storage partition corresponding to the control parameters; according to a preset time period, erasing and writing the data in the storage partition corresponding to the operation parameters; after the fault occurs, the data in the storage partition corresponding to the fault information parameter is erased, so that the data can be erased in the unit of the sub-partition according to the erasing condition of the data, and the service life of the memory is prolonged.
In some embodiments, as shown in fig. 3, the method of storing data further comprises:
s160, acquiring the actual erasing times of each storage partition; and under the condition that the actual erasing times of at least one storage partition is larger than or equal to the target threshold value, the data in the plurality of storage partitions are restored according to the fourth corresponding relation between the parameter type and the storage partition.
Specifically, step S160 may be understood as obtaining the actual erasing times of each sub-partition, and describing that the storage location of the data needs to be replaced when the actual erasing times of at least one sub-partition reach the target threshold, that is, the data in the plurality of storage partitions may be restored according to the fourth correspondence between the parameter class and the storage partition, so that the second correspondence between the parameter class and the storage partition may be replaced with the fourth correspondence between the parameter class and the storage partition, and then the data may be restored according to the fourth correspondence, thereby further improving the lifetime of the memory.
In one example, to ensure the life of the memory, the number of erasures of the memory is four million times, so that by evaluating and managing the most frequently changing operation parameters, the management of the erasing time can satisfy the life of the memory for at least 20 years. After the service life of part of the running data is exhausted, the read-write address is replaced, so that the service life of the data storage is further prolonged under the conditions of normal running and storage of the storage system, and the cost is saved.
In some embodiments, as shown in FIG. 4, storing target data into a target storage partition includes:
s170, calculating to obtain a check value corresponding to the target data according to a preset check rule; the target data and the check value are stored in the target storage partition.
The check rule is a rule for checking the target data, that is, a check value corresponding to the target data can be obtained according to the check rule. In the embodiment of the present application, the verification rule may be set based on requirements, which is not limited in the embodiment of the present application.
The check value refers to a check value corresponding to the target data which can be calculated according to a check rule. For example, if the target data is the parameter set group_1{ a, b, c., n }, the data in the target parameter set may be calculated according to the verification rule to obtain the verification value y of the target parameter set.
Specifically, step S170 may be understood that, according to a preset verification rule, a verification value corresponding to the target data may be calculated, and the target data and the verification value are stored in the target storage partition, so that each target storage partition stores two parts of contents, one part is the target data, and the other part is the verification value corresponding to the target data, and whether the read data is accurate or not may be determined by a verification method, thereby ensuring normal operation of the system. For example, when the control parameter is lost or changed in the storage process, the external device can read the control parameter and the corresponding check value y1 at the same time, and after the external device calculates the check value y1 'for the read control parameter with changed according to the same check rule, the control parameter can be found to be abnormal data through y1++y1', and the energy storage system does not operate according to the control parameter, so that the abnormal operation of the energy storage system is avoided through the accuracy of the data.
In one embodiment, as shown in fig. 5, the erasing frequency of the memory is three million times, the memory is divided into n sub-memory partitions, the system parameters in each sub-partition can be calculated according to a preset verification algorithm to obtain corresponding verification values, the corresponding verification values are added to the data tail end and written into the memory, and the accuracy of the data can be ensured by performing the return check according to the sampling algorithm. Specifically, as shown in fig. 5, the partition 1 stores therein the system hardware parameters and the corresponding check values, the partition 2 stores therein the system configuration parameters and the corresponding check values, the partition 3 stores therein the system control parameters and the corresponding check values, the partition 4 stores therein the system operation parameters and the corresponding check values, and the partition 5 stores therein the system failure information and the corresponding check values. The system hardware parameters in the partition 1 can be erased and written when the power-on initialization is performed, the system configuration parameters in the partition 2 can be erased and written when the manual command issuing is performed, the system control parameters in the partition 3 can be erased and written after the data change is detected, the system operation parameters in the partition 4 can be erased and written once every 4 minutes, and the system fault information in the partition 5 can be erased and written after the system fault.
In another embodiment, the system parameter data can be distributed to different memory partitions for storage erasure and verification, which can further improve the lifetime of the memory. For example, the system hardware parameters and the corresponding check values are changed from the storage partition 1 to be stored in the partition 2, the system configuration parameters and the corresponding check values are changed from the storage partition 2 to be stored in the partition 3, the system control parameters and the corresponding check values are changed from the storage partition 3 to be stored in the partition 4, the system operation parameters and the corresponding check values are changed from the storage partition 4 to be stored in the partition 5, and the system fault information and the corresponding check values are changed from the storage partition 5 to be stored in the partition 6, so that the alternate data partition is realized, the data can be restored, the service life of the memory is further prolonged, and the cost of the energy storage system is saved.
The embodiment of the present application further provides an apparatus for storing data, as shown in fig. 6, the apparatus 600 may include an obtaining module 610, a determining module 620, and a storing module 630:
an acquisition module 610, configured to acquire target data;
a determining module 620, configured to determine a target parameter class corresponding to the target data according to a first correspondence between preset data and the parameter class;
The determining module 620 is further configured to determine, according to a second correspondence between preset parameter types and storage partitions, a target storage partition corresponding to the target parameter type;
the storage module 630 is configured to store the target data into the target storage partition.
In this embodiment of the present application, the device for storing data obtains target data from the energy storage control module, where the target data may include data sent to the energy storage control module by the photovoltaic power generation module, the power conversion module, the battery management module, the remote communication module, and the host computer, and then according to a first corresponding relationship between preset data and parameter types, a target parameter type corresponding to the target data may be determined, and then according to a second corresponding relationship between preset parameter types and storage partitions, a target storage partition corresponding to the target parameter type may be determined, and then the target data is stored in the target storage partition. The device obtains the first corresponding relation by classifying the parameter data, then obtains the parameter category of the target parameter data and the corresponding sub-storage partition, and erases and writes the target parameter data by taking the sub-storage partition as a unit, thereby reducing the erasing and writing times and prolonging the service life of the storage.
In some embodiments, before the determining module is further configured to determine, according to a second correspondence between preset parameter types and storage partitions, a target storage partition corresponding to the target parameter type, the apparatus further includes a partition module and a generating module:
the partition module is used for dividing the memory into a preset number of memory partitions;
the generation module is used for generating a second corresponding relation between the parameter categories and the storage partitions, wherein the storage partition corresponding to each parameter category is used for storing data corresponding to the parameter category.
In some embodiments, the parameter categories include at least one of hardware parameters, configuration parameters, control parameters, operational parameters, and fault information parameters.
In some embodiments, the apparatus further comprises an erasing module:
the determining module is further configured to determine, when an erasure instruction corresponding to a target erasure condition is detected, that a parameter class corresponding to the target erasure condition is a target erasure parameter class according to a third correspondence between parameter classes and erasure conditions;
and the erasing module is used for erasing the data in the storage partition corresponding to the target erasing parameter type based on the erasing instruction.
In some embodiments, before the determining module is further configured to determine, when detecting the erasure instruction corresponding to the target erasure condition, that the parameter class corresponding to the target erasure condition is the target erasure parameter class according to the third correspondence between the parameter class and the erasure condition, the apparatus further includes a building module:
The establishing module is used for establishing the corresponding relation between each parameter type and the erasing condition to obtain a third corresponding relation between the parameter type and the erasing condition.
In some embodiments, the erasing condition includes at least one of a power-on initialization, a manual command, a data change, a preset time period, and a malfunction.
In some embodiments, the apparatus further comprises:
the acquisition module is also used for acquiring the actual erasing times of each storage partition;
and the storage module is also used for storing the data in the plurality of storage partitions again according to the fourth corresponding relation between the parameter types and the storage partitions under the condition that the actual erasing times of at least one storage partition is larger than or equal to the target threshold value.
In some embodiments, the storage module is for storing target data into a target storage partition, comprising:
the computing unit is used for computing and obtaining a verification value corresponding to the target data according to a preset verification rule;
and the storage unit is used for storing the target data and the check value into the target storage partition.
The modules in the data storage device provided in the embodiment of the present application may implement the functions of each step of the method for providing data storage in fig. 1 to 5, and may achieve the corresponding technical effects, which are not described herein for brevity.
Fig. 7 is an energy storage system provided in an embodiment of the present application, as shown in fig. 7, the energy storage system may include:
the energy storage control module is respectively and electrically connected with the photovoltaic power generation module, the power conversion module, the battery management module, the remote communication module and the upper computer; the energy storage control module is used for receiving target data respectively sent by the photovoltaic power generation module, the power conversion module, the battery management module, the remote communication module and the upper computer and sending the target data to the memory module;
the memory module is electrically connected with the energy storage control module and is used for determining a target parameter category corresponding to the target data according to a first corresponding relation between preset data and the parameter category; determining a target storage partition corresponding to the target parameter category according to a second corresponding relation between the preset parameter category and the storage partition; the target data is stored in the target storage partition.
Specifically, the energy storage system can include an energy storage control module, a photovoltaic power generation module, a power conversion module, a battery management module, a remote communication module and an upper computer. The energy storage control module is used as a data transfer station and can be respectively and electrically connected with the photovoltaic power generation module, the power conversion module, the battery management module, the remote communication module and the upper computer, and the energy storage control module can be used for receiving target data respectively sent by the photovoltaic power generation module, the power conversion module, the battery management module, the remote communication module and the upper computer and sending the target data to the memory module. The memory module may be electrically connected to the energy storage control module, and may be configured to determine a target parameter class corresponding to the target data according to a first correspondence between preset data and the parameter class, and then determine a target storage partition corresponding to the target parameter class according to a second correspondence between the preset parameter class and the storage partition, and store the target data into the target storage partition. The memory module classifies the parameter data of the energy storage system to obtain a first corresponding relation, then the parameter type of the target parameter data and the corresponding sub-storage partition can be obtained, and erasing and writing can be performed by taking the sub-storage partition as a unit, so that the erasing and writing times can be reduced, and the service life of the storage is prolonged.
For example, as shown in fig. 7, the target data may include hardware parameters, configuration parameters, control parameters, operation parameters, fault information and other parameters sent by the photovoltaic power generation module, the power conversion module and the battery management module, the target data may also include operation parameters of the power grid/power station sent by the remote communication module, and the target data may also include control parameters sent by the upper computer.
In fig. 7, the memory module of the embodiment of the present application may receive system data such as hardware parameters, configuration parameters, control parameters, operation data, fault data, etc. sent by the energy storage control module, and then after the memory module receives the system parameters, it may implement: 1) Classifying and storing the system parameters in a partition, classifying the system parameters, and storing the classified system parameters into different sub-memory partitions of a memory; 2) Classified partition erasing can be realized during data erasing, so that the service life of data storage can be prolonged; 3) The parameter data is calculated according to a certain check rule to obtain a check value, and the check value is stored in the corresponding sub-partition, so that the accuracy of the data can be ensured; 4) When the erasing times of a certain sub-partition reaches the upper limit, the sub-partition can be redistributed for storage, so that the service life of the memory is further prolonged; 5) The system parameters are packaged into an interface form, so that the interface can be directly called by an energy storage control module, a photovoltaic power generation module, a power conversion module, a battery management module and an upper computer/application program to check data, and the system parameters can be quickly read; 6) The method comprises the steps that a reading request of a target device can be received, for example, the target device can be at least one of a photovoltaic power generation module, a power conversion module, a battery management module, an energy storage control module and an upper computer, wherein the reading request can comprise at least one of parameters such as hardware parameters, configuration parameters, control parameters, operation parameters and fault information, and the like, then, a memory module can return data in a memory partition corresponding to the parameters to the target device, the maximum utilization of the data in an interaction process can be achieved, the inquiry and the sending of useless data in the interaction process can be reduced, the efficiency of data interaction is improved, and the performance of an energy storage system is improved.
In some embodiments, the energy storage system further comprises:
the memory module is also electrically connected with the photovoltaic power generation module, the power conversion module, the battery management module and the upper computer respectively;
the memory module is further used for respectively receiving a reading request of a target device, wherein the reading request comprises a target parameter category, and the target device comprises at least one of a photovoltaic power generation module, a power conversion module, a battery management module and an upper computer;
the memory module is also used for inquiring the target storage partition corresponding to the target parameter category according to the corresponding relation between the parameter category and the storage partition;
the memory module is also used for sending the data in the target storage partition to the target device.
Specifically, in the energy storage system, the memory module can be electrically connected with the photovoltaic power generation module, the power conversion module, the battery management module and the upper computer respectively, that is to say, the photovoltaic power generation module, the power conversion module, the battery management module and the upper computer can directly communicate with the memory module, and directly read the data of different sub-partitions in the memory module. The memory module may be further configured to receive a read request of the target device, where the read request may include a target parameter type, and the target device may include at least one of a photovoltaic power generation module, a power conversion module, a battery management module, and an upper computer, for example, the parameter type included in the read request sent by the upper computer to the memory module is a hardware parameter, and then the memory module may query, according to a corresponding relationship between the parameter type and the memory partition, the target memory partition corresponding to the hardware parameter, where the hardware parameter may be a summary of the hardware parameters of each module, and send data in the target memory partition to the target device, so that the target device may read the data according to the parameter type, and in a reading process, the memory module only needs to send the data in the sub memory partition where the parameter is located to the target device, so that a data amount in a transmission process may be reduced, a time of data interaction is shortened, and a data interaction efficiency is improved.
In some embodiments, the energy storage system further comprises:
the remote communication module is electrically connected with a power grid or a power station.
Specifically, in the energy storage system, the remote communication module can be electrically connected with a power grid or a power station and used for transmitting the voltage, current, power and other parameter data of the power grid or the power station.
Fig. 8 shows a schematic hardware structure of a data storage device according to an embodiment of the present application.
The storage data device may include a processor 801 and a memory 802 storing computer program instructions.
In particular, the processor 801 described above may include a central processing unit (Central Processing Unit, CPU), or an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), or may be configured to implement one or more integrated circuits of embodiments of the present application.
Memory 802 may include mass storage for data or instructions. By way of example, and not limitation, memory 802 may include a Hard Disk Drive (HDD), floppy Disk Drive, flash memory, optical Disk, magneto-optical Disk, magnetic tape, or universal serial bus (Universal Serial Bus, USB) Drive, or a combination of two or more of the above. Memory 802 may include removable or non-removable (or fixed) media, where appropriate. Memory 802 may be internal or external to the integrated gateway disaster recovery device, where appropriate. In a particular embodiment, the memory 802 is a non-volatile solid-state memory.
The Memory may include Read Only Memory (ROM), random access Memory (Random Access Memory, RAM), magnetic disk storage media devices, optical storage media devices, flash Memory devices, electrical, optical, or other physical/tangible Memory storage devices. Thus, in general, the memory includes one or more tangible (non-transitory) computer-readable storage media (e.g., memory devices) encoded with software comprising computer-executable instructions and when the software is executed (e.g., by one or more processors) it is operable to perform the operations described with reference to a method according to an aspect of the present application.
The processor 801 implements any of the methods of storing data of the above embodiments by reading and executing computer program instructions stored in the memory 802.
In one example, a device storing data may also include a communication interface 803 and a bus 804. As shown in fig. 8, the processor 801, the memory 802, and the communication interface 803 are connected to each other via a bus 804 and perform communication with each other.
The communication interface 803 is mainly used to implement communication between each module, apparatus, unit and/or device in the embodiments of the present application.
Bus 804 includes hardware, software, or both that couple the components of the storage data device to one another. By way of example, and not limitation, the buses may include an accelerated graphics port (Accelerated Graphics Port, AGP) or other graphics Bus, an enhanced industry standard architecture (Extended Industry Standard Architecture, EISA) Bus, a Front Side Bus (FSB), a HyperTransport (HT) interconnect, an industry standard architecture (Industry Standard Architecture, ISA) Bus, an Infiniband interconnect, a low pin count (Linear Predictive Coding, LPC) Bus, a memory Bus, a micro channel architecture (MicroChannel Architecture, MCa) Bus, a peripheral component interconnect (Peripheral Component Interconnect, PCI) Bus, a PCI-Express (Peripheral Component Interconnect-X, PCI-X) Bus, a serial advanced technology attachment (Serial Advanced Technology Attachment, SATA) Bus, a video electronics standards association Local Bus (VLB) Bus, or other suitable Bus, or a combination of two or more of these. Bus 804 may include one or more buses, where appropriate. Although embodiments of the present application describe and illustrate a particular bus, the present application contemplates any suitable bus or interconnect.
The apparatus may perform the method of storing data in the embodiments of the present application based on the respective units/components in the device for storing data, thereby implementing the method of storing data described in connection with fig. 1 to 6.
In addition, in combination with the method for storing data in the foregoing embodiments, embodiments of the present application may provide a computer storage medium to be implemented. The computer storage medium has stored thereon computer program instructions; the computer program instructions, when executed by a processor, implement a method of storing data in any of the above embodiments.
The present application also provides a computer program product, the instructions in which, when executed by a processor of an electronic device, cause the electronic device to perform the various processes implementing any of the above-described method embodiments for storing data.
It should be clear that the present application is not limited to the particular arrangements and processes described above and illustrated in the drawings. For the sake of brevity, a detailed description of known methods is omitted here. In the above embodiments, several specific steps are described and shown as examples. However, the method processes of the present application are not limited to the specific steps described and illustrated, and those skilled in the art can make various changes, modifications, and additions, or change the order between steps, after appreciating the spirit of the present application.
The functional blocks shown in the above-described structural block diagrams may be implemented in hardware, software, firmware, or a combination thereof. When implemented in hardware, it may be, for example, an electronic circuit, an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), suitable firmware, a plug-in, a function card, or the like. When implemented in software, the elements of the present application are the programs or code segments used to perform the required tasks. The program or code segments may be stored in a machine readable medium or transmitted over transmission media or communication links by a data signal carried in a carrier wave. A "machine-readable medium" may include any medium that can store or transfer information. Examples of machine-readable media include electronic circuitry, semiconductor Memory devices, read-Only Memory (ROM), flash Memory, erasable Read-Only Memory (Erasable Read Only Memory, EROM), floppy disks, compact discs (Compact Disc Read-Only Memory, CD-ROM), optical disks, hard disks, fiber optic media, radio Frequency (RF) links, and the like. The code segments may be downloaded via computer networks such as the internet, intranets, etc.
It should also be noted that the exemplary embodiments mentioned in this application describe some methods or systems based on a series of steps or devices. However, the present application is not limited to the order of the above-described steps, that is, the steps may be performed in the order mentioned in the embodiments, may be different from the order in the embodiments, or several steps may be performed simultaneously.
Aspects of the present application are described above with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each block of the flowchart illustrations and/or block diagrams, and combinations of blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, enable the implementation of the functions/acts specified in the flowchart and/or block diagram block or blocks. Such a processor may be, but is not limited to being, a general purpose processor, a special purpose processor, an application specific processor, or a field programmable logic circuit. It will also be understood that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware which performs the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In the foregoing, only the specific embodiments of the present application are described, and it will be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the systems, modules and units described above may refer to the corresponding processes in the foregoing method embodiments, which are not repeated herein. It should be understood that the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the present application, which are intended to be included in the scope of the present application.

Claims (14)

1. A method of storing data, applied to a memory module, comprising:
acquiring target data from an energy storage control module, wherein the target data comprises data which are respectively sent to the energy storage control module by a photovoltaic power generation module, a power conversion module, a battery management module, a remote communication module and an upper computer;
determining a target parameter class corresponding to the target data according to a first corresponding relation between preset data and parameter classes;
determining a target storage partition corresponding to the target parameter category according to a second corresponding relation between the preset parameter category and the storage partition;
And storing the target data into the target storage partition.
2. The method of claim 1, wherein before determining the target storage partition corresponding to the target parameter class according to the second correspondence between preset parameter classes and storage partitions, the method further comprises:
dividing a memory into a preset number of memory partitions;
and generating a second corresponding relation between the parameter categories and the storage partitions, wherein the storage partition corresponding to each parameter category is used for storing data corresponding to the parameter category.
3. The method of claim 1 or 2, wherein the parameter categories include at least one of hardware parameters, configuration parameters, control parameters, operational parameters, and fault information parameters.
4. The method according to claim 1, wherein the method further comprises:
under the condition that an erasing instruction corresponding to a target erasing condition is detected, determining that the parameter type corresponding to the target erasing condition is a target erasing parameter type according to a third corresponding relation between the parameter type and the erasing condition;
and erasing the data in the storage partition corresponding to the target erasing parameter type based on the erasing instruction.
5. The method according to claim 4, wherein before determining that the parameter class corresponding to the target erasing condition is the target erasing parameter class according to the third correspondence between the parameter class and the erasing condition, the method further comprises:
and establishing a corresponding relation between each parameter type and the erasing condition to obtain a third corresponding relation between the parameter type and the erasing condition.
6. The method of claim 4 or 5, wherein the erase condition includes at least one of a power-up initialization, a manual command, a data change, a preset time period, and a malfunction.
7. The method according to claim 4 or 5, further comprising:
acquiring the actual erasing times of each storage partition;
and under the condition that the actual erasing times of at least one storage partition is larger than or equal to a target threshold value, the data in the plurality of storage partitions are restored according to the fourth corresponding relation between the parameter type and the storage partition.
8. The method of claim 1, wherein the storing the target data into the target storage partition comprises:
According to a preset check rule, calculating to obtain a check value corresponding to the target data;
and storing the target data and the check value into the target storage partition.
9. An apparatus for storing data, comprising:
the acquisition module is used for acquiring target data from the energy storage control module, wherein the target data comprises data which are respectively sent to the energy storage control module by the photovoltaic power generation module, the power conversion module, the battery management module, the remote communication module and the upper computer;
the determining module is used for determining a target parameter category corresponding to the target data according to a first corresponding relation between preset data and the parameter category;
the determining module is further used for determining a target storage partition corresponding to the target parameter category according to a second corresponding relation between the preset parameter category and the storage partition;
and the storage module is used for storing the target data into the target storage partition.
10. An energy storage system, comprising:
the energy storage control module is respectively connected with the photovoltaic power generation module, the power conversion module, the battery management module, the remote communication module and the upper computer; the energy storage control module is used for receiving target data respectively sent by the photovoltaic power generation module, the power conversion module, the battery management module, the remote communication module and the upper computer, and sending the target data to the memory module;
The memory module is electrically connected with the energy storage control module and is used for determining a target parameter category corresponding to the target data according to a first corresponding relation between preset data and the parameter category; determining a target storage partition corresponding to the target parameter category according to a second corresponding relation between the preset parameter category and the storage partition; and storing the target data into the target storage partition.
11. The energy storage system of claim 10, further comprising:
the memory module is also respectively connected with the photovoltaic power generation module, the power conversion module, the battery management module and the upper computer;
the memory module is further configured to receive a read request of a target device, where the read request includes a target parameter class, and the target device includes at least one of the photovoltaic power generation module, the power conversion module, the battery management module, and the host computer;
the memory module is further used for inquiring a target storage partition corresponding to the target parameter category according to the corresponding relation between the parameter category and the storage partition;
The memory module is further configured to send data in the target storage partition to the target device.
12. The energy storage system of claim 10 or 11, further comprising:
the remote communication module is electrically connected with a power grid or a power station.
13. An electronic device, the electronic device comprising: a processor and a memory storing computer program instructions; the processor, when executing the computer program instructions, implements a method of storing data as claimed in any one of claims 1 to 8.
14. A computer readable storage medium, having stored thereon computer program instructions which, when executed by a processor, implement a method of storing data as claimed in any one of claims 1 to 8.
CN202311218382.0A 2023-09-20 2023-09-20 Method and device for storing data, electronic equipment, storage medium and energy storage system Pending CN117270772A (en)

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