Energy storage battery management method and system for energy storage power station

Abstract

The invention is suitable for the technical field of battery management, and provides an energy storage battery management method and system for an energy storage power station. The method comprises the following steps: determining a plurality of target energy storage batteries, and dividing the target energy storage batteries into a plurality of fixed energy storage batteries and a plurality of active movable batteries; calculating charging evaluation values of the plurality of fixed energy storage batteries; active energy storage charging is performed preferentially; when the active charging quantity is smaller than a preset standard charging quantity, performing arrangement energy storage charging; and when the active charging quantity and the feasible charging quantity are both smaller than the standard charging quantity, carrying out passive movable charging broadcasting. According to the method, fixed energy storage batteries and active movable batteries can be divided, charging evaluation values of the multiple fixed energy storage batteries are calculated, charging arrangement is carried out, the charging number is compared, different charging control is carried out under different conditions, more reasonable and effective energy storage battery management is carried out in combination with battery charging of the electric vehicle, and the charging efficiency of the electric vehicle is improved. The limited and closed range of battery management is broken, and the equalization technical effect of battery management is improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of battery management, and in particular relates to a method and system for managing energy storage batteries for energy storage power stations. Background Art

[0002] The management of energy storage batteries in energy storage power stations requires complex and important management tasks. It involves multiple aspects to ensure the safety, efficiency and long life of the batteries. The main management strategy is the charge and discharge control strategy to balance the energy demand and supply of the energy storage system, extend the life of the battery pack, and ensure the safety and stability of the system.

[0003] In the prior art, the energy storage battery management in the energy storage power station only involves the management of fixed energy storage batteries. The battery management scope is limited and closed. It is impossible to combine the battery charging of electric vehicles to carry out more reasonable and effective energy storage battery management. The balancing technology of battery management has limited effect. Summary of the invention

[0004] The purpose of the embodiments of the present invention is to provide a method and system for managing energy storage batteries for an energy storage power station, aiming to solve the technical problems existing in the prior art mentioned in the background technology.

[0005] The embodiment of the present invention is implemented as follows:

[0006] A method for managing an energy storage battery for an energy storage power station, the method specifically comprising the following steps:

[0007] Determine a plurality of target energy storage batteries, identify the plurality of target energy storage batteries, and divide them into a plurality of fixed energy storage batteries and a plurality of active batteries;

[0008] Calculating charging evaluation values ​​of the plurality of the fixed energy storage batteries, arranging the plurality of the fixed energy storage batteries according to the plurality of the charging evaluation values, and generating a charging arrangement order;

[0009] Prioritize active energy storage charging for the plurality of active active batteries, count the number of active charging and the number of arranged charging, and calculate the feasible charging number;

[0010] When the active charging quantity is less than the preset standard charging quantity and the feasible charging quantity is greater than the standard charging quantity, arranging energy storage charging for the plurality of fixed energy storage batteries according to the charging arrangement sequence;

[0011] When both the active charging quantity and the feasible charging quantity are less than the standard charging quantity, the plurality of fixed energy storage batteries are arranged for energy storage charging according to the charging arrangement sequence, and passive active charging broadcasting is performed.

[0012] As a further limitation of the technical solution of the embodiment of the present invention, the determining of multiple target energy storage batteries, identifying the multiple target energy storage batteries, and dividing the multiple fixed energy storage batteries and the multiple active batteries specifically include the following steps:

[0013] Conduct real-time battery monitoring of the target energy storage power station and obtain battery monitoring data;

[0014] Performing target identification on the battery monitoring data to determine multiple target energy storage batteries;

[0015] Extracting battery connection data of a plurality of target energy storage batteries from the battery monitoring data;

[0016] Determining battery charging interfaces of multiple target energy storage batteries according to the multiple battery connection data;

[0017] According to the plurality of battery charging interfaces, the plurality of target energy storage batteries are divided into a plurality of fixed energy storage batteries and a plurality of active batteries.

[0018] As a further limitation of the technical solution of the embodiment of the present invention, the calculating of the charging evaluation values ​​of the plurality of the fixed energy storage batteries, arranging the plurality of the fixed energy storage batteries according to the plurality of the charging evaluation values, and generating a charging arrangement order specifically comprises the following steps:

[0019] Extracting battery status data of a plurality of the fixed energy storage batteries from the battery monitoring data;

[0020] Calculating charging evaluation values ​​of the plurality of fixed energy storage batteries according to the battery status data;

[0021] Comparing the plurality of charging evaluation values ​​to determine an evaluation ranking of the plurality of charging evaluation values;

[0022] According to the plurality of evaluation rankings, the plurality of fixed energy storage batteries are arranged to generate a charging arrangement sequence.

[0023] As a further limitation of the technical solution of the embodiment of the present invention, in calculating the charging evaluation values ​​of the plurality of the fixed energy storage batteries according to the battery status data, the calculation formula of the plurality of the charging evaluation values ​​is:

[0024]

[0025] Where i represents the i-th fixed energy storage battery, C i is the charging evaluation value of the i-th fixed energy storage battery, Q i is the effective capacity rate of the i-th fixed energy storage battery, H i is the health of the i-th fixed energy storage battery, Si is the charging speed of the i-th fixed energy storage battery, E i is the charging efficiency of the i-th fixed energy storage battery, F i is the number of times the i-th fixed energy storage battery is charged.

[0026] As a further limitation of the technical solution of the embodiment of the present invention, the step of preferentially charging the multiple active active batteries for active energy storage, counting the number of active charging and the number of arranged charging, and calculating the number of feasible charging specifically includes the following steps:

[0027] generating a plurality of corresponding priority charging signals according to the plurality of active batteries;

[0028] According to the plurality of priority charging signals, priority active energy storage charging is performed on the plurality of corresponding active active batteries;

[0029] Counting the number of active charges of the plurality of active batteries;

[0030] Compare the plurality of charging evaluation values ​​with preset standard-reaching evaluation values, and mark the fixed energy storage battery corresponding to the charging evaluation value greater than the standard-reaching evaluation value as a standard-reaching fixed battery;

[0031] Counting the number of arranged charging of the plurality of said qualified fixed batteries;

[0032] The active charging quantity and the arranged charging quantity are superimposed to calculate the feasible charging quantity.

[0033] As a further limitation of the technical solution of the embodiment of the present invention, when the active charging quantity is less than the preset standard charging quantity and the feasible charging quantity is greater than the standard charging quantity, arranging energy storage charging for the plurality of fixed energy storage batteries according to the charging arrangement sequence specifically includes the following steps:

[0034] When the active charging quantity is less than a preset standard charging quantity and the feasible charging quantity is greater than the standard charging quantity, generating an arranged charging signal;

[0035] According to the charging arrangement sequence, a plurality of arranged charging batteries are updated in real time from the plurality of fixed batteries that meet the standards;

[0036] According to the arrangement charging signal, the plurality of arrangement charging batteries are charged for arrangement energy storage.

[0037] As a further limitation of the technical solution of the embodiment of the present invention, when the active charging quantity and the feasible charging quantity are both less than the standard charging quantity, arranging energy storage charging for the plurality of fixed energy storage batteries according to the charging arrangement sequence, and performing passive active charging broadcasting specifically includes the following steps:

[0038] When the active charging quantity and the feasible charging quantity are both less than the standard charging quantity, generating an arranged charging signal and a broadcast charging signal;

[0039] Arrange energy storage charging for the plurality of qualified fixed batteries according to the arrangement charging signal;

[0040] According to the broadcast charging signal, obtaining positioning feedback data of multiple cooperative electric vehicles;

[0041] Compare the positioning feedback data corresponding to the plurality of cooperative electric vehicles with a preset standard broadcast range, and select a plurality of target electric vehicles within the standard broadcast range;

[0042] Generate and send active charging information to a plurality of target electric vehicles.

[0043] An energy storage battery management system for an energy storage power station, the system comprising a battery identification and classification module, a battery evaluation and arrangement module, a priority charging processing module, an energy storage arrangement charging module and a passive activity charging module, wherein:

[0044] A battery identification and division module is used to determine a plurality of target energy storage batteries, identify the plurality of target energy storage batteries, and divide them into a plurality of fixed energy storage batteries and a plurality of active batteries;

[0045] A battery evaluation arrangement module, used to calculate the charging evaluation values ​​of the plurality of fixed energy storage batteries, arrange the plurality of fixed energy storage batteries according to the plurality of charging evaluation values, and generate a charging arrangement order;

[0046] A priority charging processing module is used to preferentially charge the plurality of active active batteries for active energy storage, count the number of active charging and the number of arranged charging, and calculate the number of feasible charging;

[0047] An arranged energy storage charging module is used to arrange energy storage charging for the plurality of fixed energy storage batteries according to the charging arrangement sequence when the active charging quantity is less than the preset standard charging quantity and the feasible charging quantity is greater than the standard charging quantity;

[0048] The passive active charging module is used to arrange energy storage charging for the plurality of fixed energy storage batteries according to the charging arrangement sequence and perform passive active charging broadcasting when the active charging quantity and the feasible charging quantity are both less than the standard charging quantity.

[0049] As a further limitation of the technical solution of the embodiment of the present invention, the battery identification and classification module specifically includes:

[0050] The battery monitoring unit is used to perform real-time battery monitoring of the target energy storage power station and obtain battery monitoring data;

[0051] A target identification unit, used to perform target identification on the battery monitoring data and determine a plurality of target energy storage batteries;

[0052] A connection data extraction unit, used to extract battery connection data of a plurality of target energy storage batteries from the battery monitoring data;

[0053] An interface determination unit, used to determine the battery charging interfaces of the plurality of target energy storage batteries according to the plurality of battery connection data;

[0054] The battery division unit is used to divide the plurality of target energy storage batteries into a plurality of fixed energy storage batteries and a plurality of active batteries according to the plurality of battery charging interfaces.

[0055] As a further limitation of the technical solution of the embodiment of the present invention, the battery evaluation arrangement module specifically includes:

[0056] A status data extraction unit, used to extract battery status data of a plurality of the fixed energy storage batteries from the battery monitoring data;

[0057] An evaluation calculation unit, used to calculate charging evaluation values ​​of the plurality of the fixed energy storage batteries according to the battery status data;

[0058] A value comparison unit, used to compare the multiple charging evaluation values ​​to determine the evaluation ranking of the multiple charging evaluation values;

[0059] A sequence arrangement unit is used to arrange the plurality of fixed energy storage batteries according to the plurality of evaluation rankings to generate a charging arrangement sequence.

[0060] Compared with the prior art, the present invention has the following beneficial effects:

[0061] The embodiment of the present invention determines multiple target energy storage batteries, divides them into multiple fixed energy storage batteries and multiple active active batteries; calculates the charging evaluation values ​​of multiple fixed energy storage batteries; gives priority to active energy storage charging; arranges energy storage charging when the number of active charging is less than the preset standard charging number; and broadcasts passive active charging when both the number of active charging and the number of feasible charging are less than the standard charging number. It is possible to divide fixed energy storage batteries and active active batteries, calculate the charging evaluation values ​​of multiple fixed energy storage batteries, arrange charging, and compare the charging numbers. Different charging controls are performed in different situations. Combined with the battery charging of electric vehicles, more reasonable and effective energy storage battery management is performed, breaking the limited and closed scope of battery management and improving the balanced technical effect of battery management. BRIEF DESCRIPTION OF THE DRAWINGS

[0062] Figure 1A flow chart showing a method for managing energy storage batteries for an energy storage power station provided by an embodiment of the present invention is shown;

[0063] Figure 2 A flowchart showing the target energy storage battery identification and division in the method provided by an embodiment of the present invention is shown;

[0064] Figure 3 A flowchart showing the sequential arrangement of fixed energy storage batteries in the method provided by an embodiment of the present invention is shown;

[0065] Figure 4 A flow chart showing the charging and statistics of active energy storage in the method provided by an embodiment of the present invention is shown;

[0066] Figure 5 A flow chart showing single arrangement energy storage charging in the method provided by an embodiment of the present invention is shown;

[0067] Figure 6 A flow chart showing the arrangement of energy storage charging and passive activity charging broadcasts in the method provided by an embodiment of the present invention is shown;

[0068] Figure 7 An application architecture diagram of an energy storage battery management system for an energy storage power station provided by an embodiment of the present invention is shown;

[0069] Figure 8 A structural block diagram of a battery identification and division module in a system provided by an embodiment of the present invention is shown;

[0070] Fig. 9 The structure block diagram of the battery evaluation and ranking module in the system provided by the embodiment of the present invention is shown. DETAILED DESCRIPTION

[0071] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0072] It is understandable that in the prior art, the energy storage battery management in the energy storage power station only involves the management of fixed energy storage batteries. The battery management scope is limited and closed. It cannot be combined with the battery charging of electric vehicles to carry out more reasonable and effective energy storage battery management. The balancing technology of battery management has limited effect.

[0073] To solve the above problems, an energy storage battery management method and system for an energy storage power station disclosed in an embodiment of the present invention determines a plurality of target energy storage batteries, identifies the plurality of target energy storage batteries, and divides the plurality of fixed energy storage batteries and a plurality of active active batteries; calculates charging evaluation values ​​of the plurality of fixed energy storage batteries, arranges the plurality of fixed energy storage batteries according to the plurality of charging evaluation values, and generates a charging arrangement order; preferentially performs active energy storage charging on the plurality of active active batteries, and counts the number of active charges and the number of arranged charges, and calculates the number of feasible charges; when the number of active charges is less than a preset standard charging number, and the number of feasible charges is greater than the standard charging number, arranges energy storage charging on the plurality of fixed energy storage batteries according to the charging arrangement order; when both the number of active charges and the number of feasible charges are less than the standard charging number, arranges energy storage charging on the plurality of fixed energy storage batteries according to the charging arrangement order, and broadcasts passive active charging. It can divide fixed energy storage batteries and active batteries, calculate the charging evaluation values ​​of multiple fixed energy storage batteries, arrange the charging, and compare the charging quantities. It can perform different charging controls under different circumstances, and combine the battery charging of electric vehicles to perform more reasonable and effective energy storage battery management, breaking the limited and closed scope of battery management and improving the balanced technical effect of battery management.

[0074] Figure 1 A flow chart of a method for managing energy storage batteries for an energy storage power station provided by an embodiment of the present invention is shown.

[0075] Specifically, in a preferred embodiment of the present invention, a method for managing energy storage batteries for an energy storage power station comprises the following steps:

[0076] Step S101: determine a plurality of target energy storage batteries, identify the plurality of target energy storage batteries, and divide them into a plurality of fixed energy storage batteries and a plurality of active batteries.

[0077] In an embodiment of the present invention, by performing real-time battery monitoring on a target energy storage power station to obtain battery monitoring data, and then performing target identification on the battery monitoring data, a plurality of target energy storage batteries that are in a connected state at this time are determined, and by extracting battery connection data of a plurality of target energy storage batteries from the battery monitoring data, and then performing interface identification on the plurality of battery connection data, the battery charging interfaces of the plurality of target energy storage batteries are determined, and then the plurality of target energy storage batteries are classified and divided according to the plurality of battery charging interfaces, and the plurality of target energy storage batteries are divided into a plurality of fixed energy storage batteries and a plurality of active active batteries, wherein the plurality of fixed energy storage batteries are energy storage batteries that cannot be moved and store and release electric energy in the target energy storage power station; and the plurality of active active batteries are vehicle batteries that actively stop in the target energy storage power station for vehicle charging.

[0078] It is understandable that the interface types of the battery charging interfaces of the fixed energy storage battery and the active mobile battery are different. Therefore, after determining the battery charging interfaces of multiple target energy storage batteries, the multiple target energy storage batteries can be divided into multiple fixed energy storage batteries and multiple active mobile batteries according to the battery charging interfaces of different interface types.

[0079] Specifically, Figure 2 A flow chart of identifying and dividing target energy storage batteries in the method provided in an embodiment of the present invention is shown.

[0080] Among them, in the preferred embodiment provided by the present invention, the determining of multiple target energy storage batteries, identifying the multiple target energy storage batteries, and dividing the multiple fixed energy storage batteries and the multiple active batteries specifically include the following steps:

[0081] Step S1011: Perform real-time battery monitoring on the target energy storage power station to obtain battery monitoring data.

[0082] Step S1012: performing target identification on the battery monitoring data to determine a plurality of target energy storage batteries.

[0083] Step S1013: extracting battery connection data of the plurality of target energy storage batteries from the battery monitoring data.

[0084] Step S1014: determining battery charging interfaces of multiple target energy storage batteries according to the multiple battery connection data.

[0085] Step S1015: Divide the plurality of target energy storage batteries into a plurality of fixed energy storage batteries and a plurality of active batteries according to the plurality of battery charging interfaces.

[0086] Furthermore, the energy storage battery management method for the energy storage power station further includes the following steps:

[0087] Step S102: Calculate charging evaluation values ​​of the plurality of fixed energy storage batteries, and arrange the plurality of fixed energy storage batteries according to the plurality of charging evaluation values ​​to generate a charging arrangement sequence.

[0088] In the embodiment of the present invention, the battery status data of multiple fixed energy storage batteries are extracted from the battery monitoring data, according to Calculate the charging evaluation values ​​of multiple fixed energy storage batteries, where i represents the i-th fixed energy storage battery, C i is the charging evaluation value of the i-th fixed energy storage battery, Q i is the effective capacity rate of the i-th fixed energy storage battery, H i is the health of the i-th fixed energy storage battery, S i is the charging speed of the i-th fixed energy storage battery, Ei is the charging efficiency of the i-th fixed energy storage battery, F i is the number of times the i-th fixed energy storage battery is charged. The battery status data includes data such as charging evaluation values, battery effective capacity rate, health, charging speed, charging efficiency and charging times of multiple fixed energy storage batteries. After obtaining the charging evaluation values ​​of the multiple fixed energy storage batteries, the multiple charging evaluation values ​​are compared to determine the evaluation rankings of the multiple charging evaluation values. Then, according to the multiple evaluation rankings, the multiple fixed energy storage batteries are arranged to generate a charging arrangement order.

[0089] Specifically, Figure 3 A flow chart showing the sequential arrangement of fixed energy storage batteries in the method provided by an embodiment of the present invention is shown.

[0090] Among them, in the preferred embodiment provided by the present invention, the calculation of the charging evaluation values ​​of the plurality of the fixed energy storage batteries, arranging the plurality of the fixed energy storage batteries according to the plurality of the charging evaluation values, and generating the charging arrangement order specifically comprises the following steps:

[0091] Step S1021: extracting battery status data of a plurality of the fixed energy storage batteries from the battery monitoring data.

[0092] Step S1022: Calculate charging evaluation values ​​of the plurality of fixed energy storage batteries according to the battery status data.

[0093] Step S1023: compare the multiple charging evaluation values ​​to determine the evaluation ranking of the multiple charging evaluation values.

[0094] Step S1024: Arrange the plurality of fixed energy storage batteries according to the plurality of evaluation rankings to generate a charging arrangement sequence.

[0095] Furthermore, the energy storage battery management method for the energy storage power station further includes the following steps:

[0096] Step S103, preferentially charging the plurality of active active batteries for active energy storage, counting the number of active charging and the number of arranged charging, and calculating the feasible charging number.

[0097] In an embodiment of the present invention, a plurality of corresponding priority charging signals are generated according to a plurality of active active batteries, and then priority active energy storage charging is performed on the plurality of corresponding active active batteries according to the plurality of priority charging signals, and by counting the number of active charging of the plurality of active active batteries and comparing a plurality of charging evaluation values ​​with preset standard-reaching evaluation values, a fixed energy storage battery having a charging evaluation value greater than the standard-reaching evaluation value is marked as a standard-reaching fixed battery, thereby determining a plurality of standard-reaching fixed batteries, and then counting the number of arranged charging of the plurality of standard-reaching fixed batteries, and superimposing the number of active charging and the number of arranged charging to calculate the feasible charging number.

[0098] Specifically, Figure 4 A flow chart of active energy storage charging and statistics in the method provided by an embodiment of the present invention is shown.

[0099] Among them, in the preferred embodiment provided by the present invention, the active energy storage charging is performed preferentially on the multiple active active batteries, and the number of active charging and the number of arranged charging are counted, and the calculation of the feasible charging number specifically includes the following steps:

[0100] Step S1031 : generating a plurality of corresponding priority charging signals according to the plurality of active batteries.

[0101] Step S1032: according to the plurality of priority charging signals, preferentially charging the plurality of corresponding active activity batteries with active energy storage.

[0102] Step S1033: Count the number of active charges of the plurality of active batteries.

[0103] Step S1034: compare the plurality of charging evaluation values ​​with preset standard-reaching evaluation values, and mark the fixed energy storage batteries corresponding to the charging evaluation values ​​greater than the standard-reaching evaluation values ​​as standard-reaching fixed batteries.

[0104] Step S1035, counting the number of arranged charging of the plurality of fixed batteries that meet the standards.

[0105] Step S1036: superimpose the active charging quantity and the arranged charging quantity to calculate the feasible charging quantity.

[0106] Furthermore, the energy storage battery management method for the energy storage power station further includes the following steps:

[0107] Step S104: when the active charging quantity is less than the preset standard charging quantity and the feasible charging quantity is greater than the standard charging quantity, arranging energy storage charging for the plurality of fixed energy storage batteries according to the charging arrangement sequence.

[0108] In an embodiment of the present invention, by comparing the active charging number and the feasible charging number with the preset standard charging number, when the active charging number is less than the standard charging number and the feasible charging number is greater than the standard charging number, an arrangement charging signal is generated. At this time, according to the charging arrangement order, a plurality of arrangement charging batteries are updated in real time from a plurality of qualified fixed batteries, and then according to the arrangement charging signal, arrangement energy storage charging is performed on the plurality of arrangement charging batteries, thereby realizing a combination with the battery charging of an actively charged electric vehicle, expanding the management range of the energy storage battery, and being able to enhance the balancing technical effect of battery management.

[0109] Specifically, Figure 5 A flow chart of single arrangement energy storage charging in the method provided in an embodiment of the present invention is shown.

[0110] Among them, in the preferred embodiment provided by the present invention, when the active charging quantity is less than the preset standard charging quantity and the feasible charging quantity is greater than the standard charging quantity, arranging energy storage charging for the plurality of fixed energy storage batteries according to the charging arrangement sequence specifically includes the following steps:

[0111] Step S1041: When the active charging quantity is less than the preset standard charging quantity and the feasible charging quantity is greater than the standard charging quantity, generating a queue charging signal.

[0112] Step S1042: According to the charging arrangement sequence, a plurality of arranged charging batteries are updated in real time from the plurality of fixed batteries that meet the standards.

[0113] Step S1043: performing arrangement energy storage charging on the plurality of arranged rechargeable batteries according to the arrangement charging signal.

[0114] Furthermore, the energy storage battery management method for the energy storage power station further includes the following steps:

[0115] Step S105: When both the active charging quantity and the feasible charging quantity are less than the standard charging quantity, arranging energy storage charging for the plurality of fixed energy storage batteries according to the charging arrangement sequence, and performing passive active charging broadcasting.

[0116] In an embodiment of the present invention, by comparing the number of active charging and the number of feasible charging with the preset standard charging number, when both the number of active charging and the number of feasible charging are less than the standard charging number, an arrangement charging signal and a broadcast charging signal are generated, and according to the arrangement charging signal, energy storage charging is arranged for multiple qualified fixed batteries. At the same time, according to the broadcast charging signal, positioning feedback data of multiple cooperative electric vehicles are obtained, and by analyzing the multiple positioning feedback data, the multiple positioning feedback data are compared with the preset standard broadcast range, and the cooperative electric vehicles whose positioning feedback data are within the standard broadcast range are marked as target electric vehicles, thereby determining multiple target electric vehicles, and then generating active charging information, and broadcasting the active charging information to multiple target electric vehicles, promoting multiple target electric vehicles to enter the target energy storage power station to charge the vehicle batteries, and further combining the battery charging of electric vehicles to perform more reasonable and effective energy storage battery management, breaking the limited and closed scope of battery management, and further improving the balancing technical effect of battery management.

[0117] Specifically, Figure 6 A flow chart of arranging energy storage charging and passive activity charging broadcasts in the method provided in an embodiment of the present invention is shown.

[0118] Among them, in the preferred embodiment provided by the present invention, when the active charging quantity and the feasible charging quantity are both less than the standard charging quantity, arranging energy storage charging for the plurality of fixed energy storage batteries according to the charging arrangement sequence, and performing passive active charging broadcast specifically includes the following steps:

[0119] Step S1051: When the active charging quantity and the feasible charging quantity are both smaller than the standard charging quantity, generating an arranged charging signal and a broadcast charging signal.

[0120] Step S1052: Arrange energy storage charging for the plurality of fixed batteries that meet the standards according to the arrangement charging signal.

[0121] Step S1053: acquiring positioning feedback data of a plurality of cooperating electric vehicles according to the broadcast charging signal.

[0122] Step S1054: Compare the positioning feedback data corresponding to the plurality of cooperative electric vehicles with a preset standard broadcast range, and select a plurality of target electric vehicles within the standard broadcast range.

[0123] Step S1055: Generate and send active charging information to the plurality of target electric vehicles.

[0124] Furthermore, Figure 7 The application architecture diagram of the energy storage battery management system for the energy storage power station provided by the embodiment of the present invention is shown.

[0125] Among them, in another preferred embodiment provided by the present invention, an energy storage battery management system for an energy storage power station includes:

[0126] The battery identification and classification module 101 is used to determine a plurality of target energy storage batteries, identify the plurality of target energy storage batteries, and classify the plurality of target energy storage batteries into a plurality of fixed energy storage batteries and a plurality of active batteries.

[0127] In the embodiment of the present invention, the battery identification and classification module 101 performs real-time battery monitoring on the target energy storage power station to obtain battery monitoring data, and then performs target identification on the battery monitoring data to determine multiple target energy storage batteries that are in a connected state at this time, and extracts battery connection data of multiple target energy storage batteries from the battery monitoring data, and then performs interface identification on the multiple battery connection data to determine the battery charging interfaces of the multiple target energy storage batteries, and then classifies and divides the multiple target energy storage batteries according to the multiple battery charging interfaces, and divides the multiple target energy storage batteries into multiple fixed energy storage batteries and multiple active active batteries, wherein the multiple fixed energy storage batteries are energy storage batteries that cannot be moved and store and release electric energy in the target energy storage power station; and the multiple active active batteries are vehicle batteries that actively stop in the target energy storage power station for vehicle charging.

[0128] Specifically, Figure 8 It shows a structural block diagram of the battery identification and classification module 101 in the system provided by an embodiment of the present invention.

[0129] Among them, in the preferred embodiment provided by the present invention, the battery identification and classification module 101 specifically includes:

[0130] The battery monitoring unit 1011 is used to perform real-time battery monitoring on the target energy storage power station and obtain battery monitoring data.

[0131] The target identification unit 1012 is used to perform target identification on the battery monitoring data and determine multiple target energy storage batteries.

[0132] The connection data extraction unit 1013 is used to extract the battery connection data of the plurality of target energy storage batteries from the battery monitoring data.

[0133] The interface determination unit 1014 is used to determine the battery charging interfaces of the multiple target energy storage batteries according to the multiple battery connection data.

[0134] The battery division unit 1015 is used to divide the plurality of target energy storage batteries into a plurality of fixed energy storage batteries and a plurality of active batteries according to the plurality of battery charging interfaces.

[0135] Furthermore, the energy storage battery management system for the energy storage power station also includes:

[0136] The battery evaluation arrangement module 102 is used to calculate the charging evaluation values ​​of the plurality of the fixed energy storage batteries, arrange the plurality of the fixed energy storage batteries according to the plurality of the charging evaluation values, and generate a charging arrangement order.

[0137] In the embodiment of the present invention, the battery evaluation and ranking module 102 extracts battery status data of multiple fixed energy storage batteries from the battery monitoring data, and sorts them according to the battery status data. Calculate the charging evaluation values ​​of multiple fixed energy storage batteries, where i represents the i-th fixed energy storage battery, C i is the charging evaluation value of the i-th fixed energy storage battery, Q i is the effective capacity rate of the i-th fixed energy storage battery, H i is the health of the i-th fixed energy storage battery, S i is the charging speed of the i-th fixed energy storage battery, E i is the charging efficiency of the i-th fixed energy storage battery, F i is the number of times the i-th fixed energy storage battery is charged. The battery status data includes data such as charging evaluation values, battery effective capacity rate, health, charging speed, charging efficiency and charging times of multiple fixed energy storage batteries. After obtaining the charging evaluation values ​​of the multiple fixed energy storage batteries, the multiple charging evaluation values ​​are compared to determine the evaluation rankings of the multiple charging evaluation values. Then, according to the multiple evaluation rankings, the multiple fixed energy storage batteries are arranged to generate a charging arrangement order.

[0138] Specifically, Fig. 9 It shows a structural block diagram of the battery evaluation and ranking module 102 in the system provided by an embodiment of the present invention.

[0139] Among them, in the preferred embodiment provided by the present invention, the battery evaluation arrangement module 102 specifically includes:

[0140] The status data extraction unit 1021 is used to extract the battery status data of the plurality of the fixed energy storage batteries from the battery monitoring data.

[0141] The evaluation calculation unit 1022 is used to calculate the charging evaluation values ​​of the plurality of the fixed energy storage batteries according to the battery status data.

[0142] The value comparison unit 1023 is used to compare the multiple charging evaluation values ​​to determine the evaluation ranking of the multiple charging evaluation values.

[0143] The sequence arrangement unit 1024 is used to arrange the plurality of fixed energy storage batteries according to the plurality of evaluation rankings to generate a charging arrangement sequence.

[0144] Furthermore, the energy storage battery management system for the energy storage power station also includes:

[0145] The priority charging processing module 103 is used to preferentially charge the plurality of active active batteries for active energy storage, count the number of active charging and the number of arranged charging, and calculate the number of feasible charging.

[0146] In the embodiment of the present invention, the priority charging processing module 103 generates a plurality of corresponding priority charging signals according to the plurality of active active batteries, and then performs priority active energy storage charging on the plurality of corresponding active active batteries according to the plurality of priority charging signals, and by counting the number of active charging of the plurality of active active batteries, and comparing the plurality of charging evaluation values ​​with the preset standard-reaching evaluation values, the fixed energy storage batteries corresponding to the charging evaluation values ​​greater than the standard-reaching evaluation values ​​are marked as standard-reaching fixed batteries, thereby determining the plurality of standard-reaching fixed batteries, and then counting the number of arranged charging of the plurality of standard-reaching fixed batteries, and superimposing the number of active charging and the number of arranged charging to calculate the feasible charging number.

[0147] The arranged energy storage charging module 104 is used to arrange energy storage charging for the plurality of fixed energy storage batteries according to the charging arrangement sequence when the active charging quantity is less than the preset standard charging quantity and the feasible charging quantity is greater than the standard charging quantity.

[0148] In the embodiment of the present invention, the arranged energy storage charging module 104 compares the active charging quantity and the feasible charging quantity with the preset standard charging quantity. When the active charging quantity is less than the standard charging quantity and the feasible charging quantity is greater than the standard charging quantity, an arranged charging signal is generated. At this time, according to the charging arrangement sequence, a plurality of arranged charging batteries are updated in real time from a plurality of qualified fixed batteries, and then arranged energy storage charging is performed to the plurality of arranged charging batteries according to the arranged charging signal, thereby realizing the combination with the battery charging of the actively charged electric vehicle, expanding the management range of the energy storage battery, and improving the balancing technical effect of the battery management.

[0149] The passive active charging module 105 is used to arrange energy storage charging for the plurality of fixed energy storage batteries according to the charging arrangement sequence and perform passive active charging broadcasting when the active charging quantity and the feasible charging quantity are both less than the standard charging quantity.

[0150] In the embodiment of the present invention, the passive active charging module 105 compares the active charging number and the feasible charging number with the preset standard charging number. When both the active charging number and the feasible charging number are less than the standard charging number, an arrangement charging signal and a broadcast charging signal are generated. According to the arrangement charging signal, energy storage charging is arranged for multiple qualified fixed batteries. At the same time, according to the broadcast charging signal, positioning feedback data of multiple cooperative electric vehicles are obtained, and the multiple positioning feedback data are analyzed and compared with the preset standard broadcast range. The cooperative electric vehicles whose positioning feedback data are within the standard broadcast range are marked as target electric vehicles, thereby determining multiple target electric vehicles, and then generating active charging information, and broadcasting the active charging information to multiple target electric vehicles, promoting multiple target electric vehicles to enter the target energy storage power station for vehicle battery charging, and further combining the battery charging of electric vehicles to perform more reasonable and effective energy storage battery management, breaking the limited and closed scope of battery management, and further improving the balanced technical effect of battery management.

[0151] It should be understood that, although each step in the flow chart of each embodiment of the present invention is shown in sequence according to the indication of the arrow, these steps are not necessarily performed in sequence according to the order indicated by the arrow. Unless there is a clear explanation in this article, the execution of these steps does not have a strict order restriction, and these steps can be performed in other orders. Moreover, at least a portion of the steps in each embodiment may include a plurality of sub-steps or a plurality of stages, and these sub-steps or stages are not necessarily performed at the same time, but can be performed at different times, and the execution order of these sub-steps or stages is not necessarily performed in sequence, but can be performed in turn or alternately with at least a portion of other steps or sub-steps or stages of other steps.

[0152] Those skilled in the art can understand that all or part of the processes in the above-mentioned embodiment methods can be completed by instructing the relevant hardware through a computer program, and the program can be stored in a non-volatile computer-readable storage medium. When the program is executed, it can include the processes of the embodiments of the above-mentioned methods. Among them, any reference to memory, storage, database or other media used in the embodiments provided in this application can include non-volatile and / or volatile memory. Non-volatile memory may include read-only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM) or flash memory. Volatile memory may include random access memory (RAM) or external cache memory. As an illustration and not limitation, RAM is available in many forms, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).

[0153] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A method for managing energy storage batteries for energy storage power stations, characterized in that: The method specifically comprises the following steps: Determine a plurality of target energy storage batteries, identify the plurality of target energy storage batteries, and divide them into a plurality of fixed energy storage batteries and a plurality of active batteries; Calculating charging evaluation values ​​of the plurality of the fixed energy storage batteries, arranging the plurality of the fixed energy storage batteries according to the plurality of the charging evaluation values, and generating a charging arrangement order; Prioritize active energy storage charging for the plurality of active active batteries, count the number of active charging and the number of arranged charging, and calculate the feasible charging number; When the active charging quantity is less than the preset standard charging quantity and the feasible charging quantity is greater than the standard charging quantity, arranging energy storage charging for the plurality of fixed energy storage batteries according to the charging arrangement sequence; When both the active charging quantity and the feasible charging quantity are less than the standard charging quantity, the plurality of fixed energy storage batteries are arranged for energy storage charging according to the charging arrangement sequence, and passive active charging broadcasting is performed.

2. The energy storage battery management method for an energy storage power station according to claim 1, characterized in that: The step of determining a plurality of target energy storage batteries, identifying the plurality of target energy storage batteries, and dividing the plurality of fixed energy storage batteries and the plurality of active batteries specifically comprises the following steps: Conduct real-time battery monitoring of the target energy storage power station and obtain battery monitoring data; Performing target identification on the battery monitoring data to determine multiple target energy storage batteries; Extracting battery connection data of a plurality of target energy storage batteries from the battery monitoring data; Determining battery charging interfaces of multiple target energy storage batteries according to the multiple battery connection data; According to the plurality of battery charging interfaces, the plurality of target energy storage batteries are divided into a plurality of fixed energy storage batteries and a plurality of active batteries.

3. The energy storage battery management method for an energy storage power station according to claim 2, characterized in that: The step of calculating the charging evaluation values ​​of the plurality of fixed energy storage batteries, arranging the plurality of fixed energy storage batteries according to the plurality of charging evaluation values, and generating a charging arrangement sequence specifically comprises the following steps: Extracting battery status data of a plurality of the fixed energy storage batteries from the battery monitoring data; Calculating charging evaluation values ​​of the plurality of fixed energy storage batteries according to the battery status data; Comparing the plurality of charging evaluation values ​​to determine an evaluation ranking of the plurality of charging evaluation values; According to the plurality of evaluation rankings, the plurality of fixed energy storage batteries are arranged to generate a charging arrangement sequence.

4. The energy storage battery management method for an energy storage power station according to claim 3, characterized in that: In calculating the charging evaluation values ​​of the plurality of fixed energy storage batteries according to the battery status data, the calculation formula of the plurality of charging evaluation values ​​is: Where i represents the i-th fixed energy storage battery, C i is the charging evaluation value of the i-th fixed energy storage battery, Q i is the effective capacity rate of the i-th fixed energy storage battery, H i is the health of the i-th fixed energy storage battery, S i is the charging speed of the i-th fixed energy storage battery, E i is the charging efficiency of the i-th fixed energy storage battery, F i is the number of times the i-th fixed energy storage battery is charged.

5. The energy storage battery management method for an energy storage power station according to claim 1, characterized in that: The step of preferentially charging the active energy storage batteries, counting the number of active charging and the number of arranged charging, and calculating the feasible charging number specifically comprises the following steps: generating a plurality of corresponding priority charging signals according to the plurality of active batteries; According to the plurality of priority charging signals, priority active energy storage charging is performed on the plurality of corresponding active active batteries; Counting the number of active charges of the plurality of active batteries; Compare the plurality of charging evaluation values ​​with preset standard-reaching evaluation values, and mark the fixed energy storage battery corresponding to the charging evaluation value greater than the standard-reaching evaluation value as a standard-reaching fixed battery; Counting the number of arranged charging of the plurality of said qualified fixed batteries; The active charging quantity and the arranged charging quantity are superimposed to calculate the feasible charging quantity.

6. The method for managing energy storage batteries for energy storage power stations according to claim 5, characterized in that: When the active charging quantity is less than the preset standard charging quantity and the feasible charging quantity is greater than the standard charging quantity, arranging energy storage charging for the plurality of fixed energy storage batteries according to the charging arrangement sequence specifically includes the following steps: When the active charging quantity is less than a preset standard charging quantity and the feasible charging quantity is greater than the standard charging quantity, generating an arranged charging signal; According to the charging arrangement sequence, a plurality of arranged charging batteries are updated in real time from the plurality of fixed batteries that meet the standards; According to the arrangement charging signal, the plurality of arrangement charging batteries are charged for arrangement energy storage.

7. The method for managing energy storage batteries for energy storage power stations according to claim 5, characterized in that: When both the active charging quantity and the feasible charging quantity are less than the standard charging quantity, arranging energy storage charging for the plurality of fixed energy storage batteries according to the charging arrangement sequence and performing passive active charging broadcasting specifically include the following steps: When the active charging quantity and the feasible charging quantity are both less than the standard charging quantity, generating an arranged charging signal and a broadcast charging signal; Arrange energy storage charging for the plurality of qualified fixed batteries according to the arrangement charging signal; According to the broadcast charging signal, obtaining positioning feedback data of multiple cooperative electric vehicles; Compare the positioning feedback data corresponding to the plurality of cooperative electric vehicles with a preset standard broadcast range, and select a plurality of target electric vehicles within the standard broadcast range; Generate and send active charging information to a plurality of target electric vehicles.

8. An energy storage battery management system for an energy storage power station, characterized in that: The system includes a battery identification and classification module, a battery evaluation and arrangement module, a priority charging processing module, an energy storage charging arrangement module and a passive activity charging module, wherein: A battery identification and division module is used to determine a plurality of target energy storage batteries, identify the plurality of target energy storage batteries, and divide them into a plurality of fixed energy storage batteries and a plurality of active batteries; A battery evaluation arrangement module, used to calculate the charging evaluation values ​​of the plurality of fixed energy storage batteries, arrange the plurality of fixed energy storage batteries according to the plurality of charging evaluation values, and generate a charging arrangement order; A priority charging processing module is used to preferentially charge the plurality of active active batteries for active energy storage, count the number of active charging and the number of arranged charging, and calculate the number of feasible charging; An arranged energy storage charging module is used to arrange energy storage charging for the plurality of fixed energy storage batteries according to the charging arrangement sequence when the active charging quantity is less than the preset standard charging quantity and the feasible charging quantity is greater than the standard charging quantity; The passive active charging module is used to arrange energy storage charging for the plurality of fixed energy storage batteries according to the charging arrangement sequence and perform passive active charging broadcasting when the active charging quantity and the feasible charging quantity are both less than the standard charging quantity.

9. The energy storage battery management system for an energy storage power station according to claim 8, characterized in that: The battery identification and classification module specifically includes: The battery monitoring unit is used to perform real-time battery monitoring of the target energy storage power station and obtain battery monitoring data; A target identification unit, used to perform target identification on the battery monitoring data and determine a plurality of target energy storage batteries; A connection data extraction unit, used to extract battery connection data of a plurality of target energy storage batteries from the battery monitoring data; An interface determination unit, used to determine the battery charging interfaces of the plurality of target energy storage batteries according to the plurality of battery connection data; A battery division unit is used to divide the plurality of target energy storage batteries into a plurality of fixed energy storage batteries and a plurality of active batteries according to the plurality of battery charging interfaces.

10. The energy storage battery management system for an energy storage power station according to claim 9, characterized in that: The battery evaluation arrangement module specifically includes: A status data extraction unit, used to extract battery status data of a plurality of the fixed energy storage batteries from the battery monitoring data; An evaluation calculation unit, used to calculate charging evaluation values ​​of the plurality of the fixed energy storage batteries according to the battery status data; A value comparison unit, used to compare the multiple charging evaluation values ​​to determine the evaluation ranking of the multiple charging evaluation values; A sequence arrangement unit is used to arrange the plurality of fixed energy storage batteries according to the plurality of evaluation rankings to generate a charging arrangement sequence.

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