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CN118763757B - Storage battery pack charging management method and device - Google Patents

Storage battery pack charging management method and device Download PDF

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CN118763757B
CN118763757B CN202410771821.9A CN202410771821A CN118763757B CN 118763757 B CN118763757 B CN 118763757B CN 202410771821 A CN202410771821 A CN 202410771821A CN 118763757 B CN118763757 B CN 118763757B
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charge
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CN118763757A (en
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赵宇
刘彤
李慧
张达
顾振兴
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Zhongji Guangzhou Energy Co ltd
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
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    • G—PHYSICS
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    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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    • H01M10/44—Methods for charging or discharging
    • H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00309—Overheat or overtemperature protection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • H02J7/00714—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery charging or discharging current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
    • H02J7/007192—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
    • H02J7/007194—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature of the battery

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Abstract

本发明公开了一种蓄电池组充电管理方法及装置，通过将历史蓄电池组数据进行分类并归纳至存储数据库，基于充电数据的选取进行初步筛选，本发明涉及充电管理技术领域。该蓄电池组充电管理方法及装置，通过完成对于历史蓄电池组数据进行筛选，得到关于充电数据，并依据数据管理系统对数据内容进行分析处理，依据分析处理的结果进行蓄电池组充电的自动化调节操作，以此根据充电数据的关系变化，找出电荷变化速率的曲线段标记，并基于曲线段分析得出对应蓄电池充电控制管理的指令，以此在能够保障蓄电池完成充电的操作过程中，降低对于蓄电池自身蓄电容量的影响。

The present invention discloses a battery pack charging management method and device, which classifies and summarizes historical battery pack data into a storage database, and performs preliminary screening based on the selection of charging data. The present invention relates to the field of charging management technology. The battery pack charging management method and device obtains charging data by screening historical battery pack data, and analyzes and processes the data content according to a data management system, and performs automatic adjustment operation of battery pack charging according to the result of the analysis and processing, thereby finding the curve segment mark of the charge change rate according to the relationship change of the charging data, and obtaining the corresponding battery charging control management instruction based on the curve segment analysis, thereby reducing the impact on the battery's own storage capacity in the operation process that can ensure that the battery completes charging.

Description

Storage battery pack charging management method and device
Technical Field
The invention relates to the technical field of charging management, in particular to a method and a device for charging management of a storage battery pack.
Background
The reference patent name is that a storage battery charging management method (patent publication number: CN101702453A, patent publication date: 2010-05-05) comprises the steps of monitoring the discharge capacity of a storage battery, determining the discharge depth of the storage battery according to the discharge capacity and the total capacity of the storage battery, comparing the discharge depth of the storage battery with a preset battery uniform charge threshold value, and starting a temperature control charging mode when the discharge depth of the storage battery is greater than or equal to the preset battery uniform charge threshold value capacity, and adjusting the charging current according to the battery temperature so as to charge the storage battery.
Based on the description of the above document, in the existing battery pack charging management process, continuous constant voltage charging has the problem of incomplete charging, constant current charging also causes the problem of capacity reduction of the battery, even though the charging is switched, the temperature is increased due to the continuous charging process, and the charging operation fails to perform gradual analysis and monitoring of data during charging management, so that the charging efficiency is slowed down, the charging fails to realize full charging operation, and the capacity reduction of the battery is caused.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a storage battery charging management method and device, which solve the problems that in the existing storage battery charging management process, continuous constant-voltage charging has incomplete charging, constant-current charging can also cause the problem of capacity reduction of a storage battery, even though the temperature is increased due to the continuous charging process through the switching operation of charging, and the gradual analysis and monitoring of data cannot be carried out during the charging management, so that the charging operation has the problems of low charging efficiency, incapacity of realizing full charging operation and capacity reduction of the storage battery.
In order to achieve the purpose, the invention is realized by the following technical scheme that the method for managing the charging of the storage battery pack specifically comprises the following steps:
A1, classifying and summarizing historical storage battery data into a storage database, and performing primary screening based on selection of charging data;
A2, secondary screening is carried out on the charging data, required data content is screened according to management operation, analysis processing is carried out on the data content according to a data management system, automatic regulation operation of charging of the storage battery pack is carried out according to the analysis processing result, and the processing operation of the data management system is as follows:
a21, acquiring state data of the storage battery pack during charging, wherein the state data comprises self information data of the storage battery, charging current, charging voltage, charging time and temperature data of the storage battery during charging;
a22, establishing a change model related to the charging of the storage battery pack based on state data, reflecting the charge states of the batteries under different charging time periods through the change model, predicting the charging problem according to the feedback of the charge values of the batteries, and simultaneously completing the charging management operation by combining the temperature data of the storage battery during charging;
a23, generating a result generated by management into a control operation related to a processing instruction and transmitting the control operation through a data transmission module to realize a subsequent charging strategy;
A3, applying a charging strategy to charging control operation of the charging storage battery, collecting data generated by charging in real time, and simultaneously verifying a threshold value generated by prediction of a change model.
Preferably, the preliminary screening in A1 is performed by:
a11, classifying historical storage battery data after summarizing, and classifying the historical storage battery data into charging data, unused data and discharging data;
a12, extracting the classified charging data, and storing the rest data into a storage database after screening;
a13, sequentially sorting the charging data according to the time change to form a charging data set labeled P.
Preferably, the secondary screening operation of the charging data in A2 is as follows:
B1, marking a mapping template corresponding to the required data content as Q, and introducing a charging data subset based on a charging data set P into the mapping template Q for matching;
B2, matching according to the self information data, charging current, charging voltage, charging time and data types of the storage battery temperature during charging in the mapping template Q, and sequentially inserting numerical content into the data types of the mapping template Q according to the continuous sequence change of the charging time from the charging data set P to obtain a required content data set marked as L;
and B3, screening out the rest charging data and storing the rest charging data in a storage database until the required data content is completely matched.
Preferably, the change model in a22 operates as follows for the states of charge of the battery under different charging durations:
c1a, introducing content data L into a change model, and converting the data to form a curve related to state data;
C2a, analyzing operation at different time periods is realized according to the change degree of the state data curve, and determining that the charging strategy nodes need to be switched in the charging process is completed;
And C3a, summarizing the data of the switching charging strategy nodes to form a switching node data set which is marked as M.
Preferably, the step of converting the C1a data to form a curve related to the state data includes:
c1a1, taking the change of the charging time of the data type as an X axis, taking the charging time as a coordinate point on the X axis In sequence by taking each minute as a partition node, marking the charging time as Tn, taking the charging current, the charging voltage and the charge storage value of the storage battery as Y axes, taking the charging current, the charging voltage and the charge storage value of the storage battery corresponding to the partition node Tn as coordinate points on the Y axes, marking the charging current as In, marking the charging voltage as Un, and marking the charge storage value of the storage battery as SOCn;
c1a2, respectively carrying out connection operation on the corresponding charging current In, the charging voltage Un and the storage battery charge storage value SOCn according to the sequence of coordinate points Tn on the X axis to form a change curve about Tn and In, a change curve about Tn and Un and a change curve about Tn and SOCn.
Preferably, the analysis operation of the C2a on the status data curve is as follows:
c2a1, calculating to obtain a change rate mark of the charge as V according to the storage value of the storage battery charge at the adjacent coordinate point in the Tn-SOCn change curve;
c2a2, marking a deviation threshold value of a change rate V of the charge based on normal fluctuation during charging as w, and marking an SOCn change curve segment exceeding the change rate V by which the change rate V exceeds the range of the deviation threshold value compared with the former change rate V by the change rate V generated in the curve data;
c2a3, and labeled SOCn variogram segment analysis, there are the following results:
As a result, when the change rate V of the marked SOCn change curve segment is larger than the preamble change rate V of the compensation deviation threshold value, the charging efficiency is improved, and the temperature is not changed, and the abnormal current and voltage input or the abnormal rated charge of the storage battery is judged;
As a result, if the second rate of change V of the SOCn change curve segment is smaller than the preamble change rate V of the offset threshold, the charging efficiency is reduced, and the input current and voltage are not changed, and it is determined that there is an abnormality in the charging temperature.
Preferably, the rate of change V of the charge in c2a1 is calculated as:
V=(SOCn-SOCn-1)±w,n≥2;
Wherein, SOCn is the storage battery charge value of the nth coordinate point, and SOC n-1 is the storage battery charge value before SOCn;
the calculation formula of SOCn is:
Wherein, SOC 0 is the initial charge state, in is the battery charging current at the nth time coordinate point, tn is the nth time coordinate point, and C is the total capacity of the battery;
and the judgment formula of the SOCn variation curve segment abnormality mark is as follows:
I.e., (SOC n-SOCn-1) > w, i.e., result one;
Namely (SOC n-SOCn-1) < -w, namely the result two.
Preferably, the operation of a22 in combination with the temperature data of the storage battery during charging is:
c1b, according to the data feedback generated by the result II, acquiring and marking the temperature data of the storage battery as Jn, and sequencing according to a time sequence to obtain a change curve of the change rates V and Jn;
C2b, and dividing the change curves of V and Jn by inserting a normal function about the change rate V, wherein the function is y=v Flat plate , and V Flat plate is an average value of the normal increase rate of the charge quantity of the storage battery;
And C3b, when the curve above the V Flat plate is in the rising characteristic state, generating a command for cooling the temperature for cooling the storage battery or generating a regulating command for charging voltage.
Preferably, the charging switching operation in A3 is:
in the charging stage, when a marked SOCn variable curve segment is encountered and the result is one, a constant current charging strategy is controlled to generate an instruction for reducing the charging input current, and if the charging input current is still unchanged after the duration t, a power-off instruction for charging operation is generated;
and a32, in the charging stage, when encountering a marked SOCn change curve segment and being a result II, switching the charging strategy based on the constant current to the charging strategy of the variable voltage, and generating a command for reducing the temperature of the storage battery according to the C3b operation.
The invention also discloses a device adopting the storage battery pack charging management method, which comprises the following steps:
the charging unit comprises charging equipment and is used for carrying out data adjustment operation during charging to complete the charging operation of the storage battery;
The monitoring unit comprises an electric energy meter, a timer, a thermometer and a control unit, wherein the electric energy meter is used for measuring the voltage and the current of charging, the electric energy storage capacity of the storage battery, and the timer and the thermometer are used for measuring the charging time and the temperature of the storage battery during charging;
the adjusting unit comprises cooling equipment for adjusting the temperature of the storage battery.
The invention provides a storage battery pack charging management method and device. Compared with the prior art, the method has the following beneficial effects:
(1) According to the storage battery charging management method and device, historical storage battery data are screened to obtain charging data, the data content is analyzed and processed according to the data management system, automatic adjustment operation of storage battery charging is carried out according to the analysis and processing result, curve segment marks of charge change rate are found according to the relation change of the charging data, and instructions corresponding to storage battery charging control management are obtained based on curve segment analysis, so that the influence on the storage capacity of the storage battery is reduced in the operation process of ensuring that the storage battery is charged.
(2) According to the storage battery charging management method and device, after the prediction of the abnormal problem is obtained based on curve segment analysis, the abnormal problem is introduced into the temperature data of the storage battery according to the abnormal problem, the change trend of the temperature generated based on the charging process is judged, and meanwhile, the node where the temperature changes is determined based on the rate of change of the charge storage value of the storage battery, so that a cooling instruction is generated to complete the management of the charging operation of the storage battery, the charging efficiency is improved under the condition that the storage battery is not subjected to capacity loss is guaranteed, and the self-adaptive control management operation is realized.
(3) According to the storage battery pack charging management method and device, through primary screening and secondary screening operations, required charging data are obtained firstly, and then the required data content is obtained by mapping based on the content of the required type data and the charging data, so that analysis efficiency of redundant influence data of more data in the management operation process is reduced, meanwhile, a curve of state data can be obtained based on a change model more quickly, abnormality in the charging process is found more clearly, and adaptability and adjustment rate for the charging operation are improved.
Drawings
FIG. 1 is a flow chart of a charge management method of the present invention;
FIG. 2 is a flow chart of the data management system of the present invention;
fig. 3 is a schematic block diagram of the charge management device of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, the present invention provides two technical schemes:
an embodiment one, a method for managing battery pack charging, specifically includes the following steps:
A1, classifying and summarizing historical storage battery data into a storage database, and performing primary screening based on selection of charging data;
A2, secondary screening is carried out on the charging data, required data content is screened according to management operation, analysis processing is carried out on the data content according to a data management system, automatic regulation operation of charging of the storage battery pack is carried out according to the analysis processing result, and the processing operation of the data management system is as follows:
a21, acquiring state data of the storage battery pack during charging, wherein the state data comprises self information data of the storage battery, charging current, charging voltage, charging time and temperature data of the storage battery during charging;
a22, establishing a change model related to the charging of the storage battery pack based on state data, reflecting the charge states of the batteries under different charging time periods through the change model, predicting the charging problem according to the feedback of the charge values of the batteries, and simultaneously completing the charging management operation by combining the temperature data of the storage battery during charging;
a23, generating a result generated by management into a control operation related to a processing instruction and transmitting the control operation through a data transmission module to realize a subsequent charging strategy;
A3, applying a charging strategy to charging control operation of the charging storage battery, collecting data generated by charging in real time, and simultaneously verifying a threshold value generated by prediction of a change model.
According to the operation in a22, when (SOC n-SOCn-1) > w or (SOC n-SOCn-1) < -w is generated in the result of analysis, the starting point of the abnormal curve segment is the threshold value generated by model prediction, and similarly, the threshold value node about temperature is when the change rate V of the charge quantity of the storage battery per minute exceeds the function y=v Flat plate , and the data is used in the management operation of the storage battery charging of the same model, the adaptive charging switching operation can be completed.
The method comprises the steps of screening historical storage battery data to obtain charging data, analyzing and processing data content according to a data management system, automatically adjusting the charging of the storage battery according to the analysis and processing result, finding out curve segment marks of charge change rate according to the relation change of the charging data, and obtaining a command corresponding to the charging control management of the storage battery based on curve segment analysis, so that the influence on the self storage capacity of the storage battery is reduced in the operation process of ensuring that the storage battery is charged.
In the embodiment of the invention, the preliminary screening operation in A1 is as follows:
a11, classifying historical storage battery data after summarizing, and classifying the historical storage battery data into charging data, unused data and discharging data;
a12, extracting the classified charging data, and storing the rest data into a storage database after screening;
a13, sequentially sorting the charging data according to the time change to form a charging data set labeled P.
In the embodiment of the invention, the secondary screening operation of the charging data in A2 is as follows:
B1, marking a mapping template corresponding to the required data content as Q, and introducing a charging data subset based on a charging data set P into the mapping template Q for matching;
B2, matching according to the self information data, charging current, charging voltage, charging time and data types of the storage battery temperature during charging in the mapping template Q, and sequentially inserting numerical content into the data types of the mapping template Q according to the continuous sequence change of the charging time from the charging data set P to obtain a required content data set marked as L;
and B3, screening out the rest charging data and storing the rest charging data in a storage database until the required data content is completely matched.
The method comprises the steps of obtaining required charging data through primary screening and secondary screening, mapping the content of the required category data with the charging data, and obtaining the required data content, so that analysis efficiency of redundant influence data of more data in the management operation process is reduced, meanwhile, a curve of state data can be obtained based on a change model more quickly, abnormality in the charging process is found more clearly, and adaptability and adjustment rate for the charging operation are improved.
In the embodiment of the invention, the change model in a22 is operated for the charge states of the batteries under different charge durations:
c1a, introducing content data L into a change model, and converting the data to form a curve related to state data;
C2a, analyzing operation at different time periods is realized according to the change degree of the state data curve, and determining that the charging strategy nodes need to be switched in the charging process is completed;
And C3a, summarizing the data of the switching charging strategy nodes to form a switching node data set which is marked as M. In the embodiment of the invention, the step of converting the C1a data to form a curve related to the state data is as follows:
c1a1, taking the change of the charging time of the data type as an X axis, taking the charging time as a coordinate point on the X axis In sequence by taking each minute as a partition node, marking the charging time as Tn, taking the charging current, the charging voltage and the charge storage value of the storage battery as Y axes, taking the charging current, the charging voltage and the charge storage value of the storage battery corresponding to the partition node Tn as coordinate points on the Y axes, marking the charging current as In, marking the charging voltage as Un, and marking the charge storage value of the storage battery as SOCn;
c1a2, respectively carrying out connection operation on the corresponding charging current In, the charging voltage Un and the storage battery charge storage value SOCn according to the sequence of coordinate points Tn on the X axis to form a change curve about Tn and In, a change curve about Tn and Un and a change curve about Tn and SOCn.
In the embodiment of the present invention, the analysis operation of the C2a on the state data curve is:
c2a1, calculating to obtain a change rate mark of the charge as V according to the storage value of the storage battery charge at the adjacent coordinate point in the Tn-SOCn change curve;
c2a2, marking a deviation threshold value of a change rate V of the charge based on normal fluctuation during charging as w, and marking an SOCn change curve segment exceeding the change rate V by which the change rate V exceeds the range of the deviation threshold value compared with the former change rate V by the change rate V generated in the curve data;
c2a3, and labeled SOCn variogram segment analysis, there are the following results:
As a result, when the change rate V of the marked SOCn change curve segment is larger than the preamble change rate V of the compensation deviation threshold value, the charging efficiency is improved, and the temperature is not changed, and the abnormal current and voltage input or the abnormal rated charge of the storage battery is judged;
As a result, if the second rate of change V of the SOCn change curve segment is smaller than the preamble change rate V of the offset threshold, the charging efficiency is reduced, and the input current and voltage are not changed, and it is determined that there is an abnormality in the charging temperature.
In the embodiment of the invention, the calculation formula of the change rate V of the charge in c2a1 is as follows:
V=(SOCn-SOCn-1)±w,n≥2;
Wherein, SOCn is the storage battery charge value of the nth coordinate point, and SOC n-1 is the storage battery charge value before SOCn;
the calculation formula of SOCn is:
Wherein, SOC 0 is the initial charge state, in is the battery charging current at the nth time coordinate point, tn is the nth time coordinate point, and C is the total capacity of the battery;
and the judgment formula of the SOCn variation curve segment abnormality mark is as follows:
I.e., (SOC n-SOCn-1) > w, i.e., result one;
Namely (SOC n-SOCn-1) < -w, namely the result two.
In the embodiment of the present invention, the operation of a22 in combination with the temperature data of the storage battery during charging is:
c1b, according to the data feedback generated by the result II, acquiring and marking the temperature data of the storage battery as Jn, and sequencing according to a time sequence to obtain a change curve of the change rates V and Jn;
C2b, and dividing the change curves of V and Jn by inserting a normal function about the change rate V, wherein the function is y=v Flat plate , and V Flat plate is an average value of the normal increase rate of the charge quantity of the storage battery;
And C3b, when the curve above the V Flat plate is in the rising characteristic state, generating a command for cooling the temperature for cooling the storage battery or generating a regulating command for charging voltage.
After the prediction of the abnormal problem is obtained based on curve segment analysis, the abnormal problem is introduced into the temperature data of the storage battery according to the abnormal problem, the change trend of the temperature generated in the charging process is judged, and meanwhile, the node of which the temperature is changed is determined based on the rate of change of the charge storage value of the storage battery, so that a cooling instruction is generated to complete the management of the charging operation of the storage battery, the charging efficiency is improved under the condition that the storage battery is not subjected to capacity loss is ensured, and the self-adaptive control management operation is realized.
In the embodiment of the present invention, the charging switching operation in A3 is:
in the charging stage, when a marked SOCn variable curve segment is encountered and the result is one, a constant current charging strategy is controlled to generate an instruction for reducing the charging input current, and if the charging input current is still unchanged after the duration t, a power-off instruction for charging operation is generated;
and a32, in the charging stage, when encountering a marked SOCn change curve segment and being a result II, switching the charging strategy based on the constant current to the charging strategy of the variable voltage, and generating a command for reducing the temperature of the storage battery according to the C3b operation.
The second embodiment is different from the first embodiment in that the present invention further discloses a device adopting a battery pack charging management method, including:
the charging unit comprises charging equipment and is used for carrying out data adjustment operation during charging to complete the charging operation of the storage battery;
The monitoring unit comprises an electric energy meter, a timer, a thermometer and a control unit, wherein the electric energy meter is used for measuring the voltage and the current of charging, the electric energy storage capacity of the storage battery, and the timer and the thermometer are used for measuring the charging time and the temperature of the storage battery during charging;
the adjusting unit comprises cooling equipment for adjusting the temperature of the storage battery.
The charging equipment can complete regulation and control operation of charging input voltage and input current, the monitoring unit is an electric energy meter of the existing product, the sensor is used for realizing data acquisition and monitoring operation and transmitting the data to the display terminal for implementing change of observation data, and the cooling equipment can be one or a combination of a plurality of water cooling components or air cooling components.
Comparative experiments
Charging equipment adopting a traditional storage battery charging management method and charging equipment adopting the storage battery charging management method of the invention are used for carrying out charging operation on the storage batteries of the same model which are newly manufactured until the storage batteries are charged and cut off, recording data generated in the charging process, comparing the charging time, the charge stock of the storage batteries and the available capacity data of the storage batteries, wherein the specific data are shown in table 1:
Table 1 data alignment table
In summary, the charging device adopting the battery charging management method of the invention completes the operation of charging management of the battery, the required charging time is short, the battery can complete the operation of full charge, meanwhile, the adjustment of the charging process can avoid the loss of the available capacity of the battery, and the charging device adopting the battery charging management method can also perform the charging treatment operation on the battery.
And all that is not described in detail in this specification is well known to those skilled in the art.
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.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1.一种蓄电池组充电管理方法，其特征在于：1. A battery pack charging management method, characterized in that: A1、将历史蓄电池组数据进行分类、初步筛选并归纳至存储数据库；A1. Classify, preliminarily screen and summarize historical battery group data into a storage database; A2、进行二次筛选，根据管理操作筛选所需的数据内容，依据数据管理系统对数据内容进行分析处理，依据分析处理结果自动调节蓄电池组充电，数据管理系统的处理操作为：A2. Perform secondary screening, screen the required data content according to the management operation, analyze and process the data content according to the data management system, and automatically adjust the battery pack charging according to the analysis and processing results. The processing operation of the data management system is: a21、获取蓄电池组的充电状态，包含蓄电池自身信息、充电电流、充电电压、充电时间和充电时蓄电池的温度；a21. Obtain the charging status of the battery pack, including the battery information, charging current, charging voltage, charging time and battery temperature during charging; a22、基于状态数据建立关于蓄电池组充电的变化模型，通过变化模型反映位于不同充电时长下的电池荷电状态，并根据电池荷电状态的反馈预测产生的阈值，同时结合充电时蓄电池的温度完成充电管理操作；a22. Establish a change model for battery pack charging based on the status data, reflect the battery charge state at different charging times through the change model, and predict the threshold value generated according to the feedback of the battery charge state, and complete the charging management operation in combination with the temperature of the battery during charging; a23、基于管理操作结果生成处理指令，并通过数据传输模块传输实现后续充电策略的控制操作；a23. Generate processing instructions based on the management operation results, and transmit them through the data transmission module to implement the control operation of the subsequent charging strategy; A3、将充电策略应用于蓄电池组的充电控制操作，并实时采集充电数据，同时结合变化模型预测产生的阈值进行验证；A3. Apply the charging strategy to the charging control operation of the battery pack, collect charging data in real time, and verify it by combining the threshold value generated by the change model prediction; 所述a22通过变化模型反映位于不同充电时长下的电池荷电状态操作为：The a22 operation reflects the battery state of charge at different charging times through a variable model: C1a、将二次筛选产生的数据内容引入至变化模型中，对数据进行转换形成状态数据曲线；C1a, introducing the data content generated by the secondary screening into the change model, converting the data to form a state data curve; C2a、依据状态数据曲线的变化程度实现不同时段的分析操作，并确定充电过程需切换充电策略的节点；C2a, realize analysis operations in different time periods according to the degree of change of the status data curve, and determine the nodes where the charging strategy needs to be switched during the charging process; C3a、将切换充电策略节点的数据汇总形成切换节点数据集，标记为M；C3a, aggregate the data of the switching charging strategy nodes to form a switching node data set, marked as M; 所述C2a的分析操作为：The analysis operation of C2a is as follows: 当电荷变化速率v相较于前序电荷变化速率超出了偏差阈值的范围，则标记超出范围的SOCn变化曲线段，标记分析存在以下结果：When the charge change rate v exceeds the deviation threshold compared to the previous charge change rate, the SOCn change curve segment that exceeds the range is marked, and the marking analysis has the following results: 结果一：，则充电效率提高，温度未产生变化，判断为电流、电压输入异常或蓄电池额定电荷量异常；Result 1: , the charging efficiency is improved, and the temperature has not changed. It is judged that the current or voltage input is abnormal or the rated charge of the battery is abnormal; 结果二：，则充电效率降低，输入的电流、电压未产生变化，判断为充电温度存在异常；Result 2: , the charging efficiency is reduced, the input current and voltage have not changed, and it is judged that the charging temperature is abnormal; 所述a22结合充电时蓄电池的温度数据完成充电的管理操作为：The a22 completes the charging management operation in combination with the temperature data of the battery during charging as follows: C1b、依据结果二产生的数据反馈，采集蓄电池的温度数据，标记为Jn，并按照时间顺序进行排序，得到电荷变化速率v和Jn的变化曲线；C1b, based on the data feedback generated by the second result, collect the temperature data of the battery, mark it as Jn, and sort it in chronological order to obtain the change curve of the charge change rate v and Jn; C2b、插入关于电荷变化速率v的函数，对v和Jn的变化曲线进行分割，函数为y=v平，v平为蓄电池电荷量正常增长速率的平均值；C2b, insert the function of charge change rate v, divide the change curves of v and Jn, the function is y=v平, v平is the average value of the normal growth rate of the battery charge; C3b、变化曲线位于v平上方且曲线状态为上升特征时，生成降温指令用于蓄电池的降温操作，或生成充电电压的调节指令；C3b, when the change curve is above the v level and the curve state is an upward characteristic, a cooling instruction is generated for the battery cooling operation, or a charging voltage adjustment instruction is generated; SOCn、Jn为第n个坐标点的蓄电池电荷数值、温度数据，n≥2，w为充电正常波动引起的电荷变化速率的偏差阈值。SOCn, Jn are the battery charge value and temperature data at the nth coordinate point, n≥2, and w is the deviation threshold of the charge change rate caused by normal charging fluctuations. 2.根据权利要求1所述的一种蓄电池组充电管理方法，其特征在于：所述A1中初步筛选的操作为：2. A battery pack charging management method according to claim 1, characterized in that: the preliminary screening operation in A1 is: a11、将历史蓄电池组数据归纳后进行分类，并分类为充电数据、搁置未使用数据和放电数据；a11. Summarize and classify historical battery group data into charging data, unused data and discharging data; a12、将分类的充电数据进行提取，而剩下的数据则筛选后存储至存储数据库中；a12, extracting the classified charging data, and filtering and storing the remaining data in a storage database; a13、将充电数据按照时间的变化顺序进行排序操作，形成充电数据集，标记为P。a13. Sort the charging data in the order of time change to form a charging data set, marked as P. 3.根据权利要求2所述的一种蓄电池组充电管理方法，其特征在于：所述A2中充电数据的二次筛选操作为：3. A battery pack charging management method according to claim 2, characterized in that: the secondary screening operation of the charging data in A2 is: B1、设置有对应所需的数据内容的映射模版，标记为Q，将充电数据集P中的充电数据子集引入至映射模版Q进行匹配；B1. A mapping template corresponding to the required data content is set, marked as Q, and a charging data subset in the charging data set P is introduced into the mapping template Q for matching; B2、根据映射模版Q中的蓄电池自身信息、充电电流、充电电压、充电时间和充电时的蓄电池温度进行匹配，并从充电数据集P中依据充电时间的延续顺序变化依次将数值内容插入至映射模版Q的数据类别后，得到所需的内容数据集，标记为L；B2. Match the battery information, charging current, charging voltage, charging time and battery temperature during charging in the mapping template Q, and insert the numerical contents from the charging data set P into the data categories of the mapping template Q in sequence according to the continuous sequence of the charging time, and obtain the required content data set, which is marked as L; B3、直至所需数据内容匹配完全后，将余下的充电数据筛除并存储在存储数据库中。B3. After the required data content is completely matched, the remaining charging data is filtered out and stored in the storage database. 4.根据权利要求1所述的一种蓄电池组充电管理方法，其特征在于：所述C1a对数据进行转换形成状态数据曲线的步骤为：4. A battery pack charging management method according to claim 1, characterized in that: the step of converting the data to form a state data curve by C1a is: c1a1、以充电时间的变化作为X轴，且以每分钟为分割节点将充电时间按照顺序作为X轴上的坐标点，标记为Tn，以充电电流、充电电压和蓄电池的电荷数值均作为Y轴，而对应充电时间的具体数值作为在Y轴上的坐标点，充电电流标记为In，充电电压标记为Un，蓄电池电荷数值标记为SOCn；c1a1. The change of charging time is used as the X-axis, and the charging time is used as the coordinate point on the X-axis in order with each minute as the dividing node, marked as Tn. The charging current, charging voltage and battery charge value are used as the Y-axis, and the specific value of the corresponding charging time is used as the coordinate point on the Y-axis, the charging current is marked as In, the charging voltage is marked as Un, and the battery charge value is marked as SOCn; c1a2、按照X轴上坐标点Tn的顺序将对应的充电电流In、充电电压Un和蓄电池电荷数值SOCn分别进行连线操作形成关于Tn和In变化曲线、Tn和Un变化曲线、以及Tn和SOCn变化曲线。c1a2. According to the order of the coordinate point Tn on the X-axis, the corresponding charging current In, charging voltage Un and battery charge value SOCn are connected to form the Tn and In change curve, the Tn and Un change curve, and the Tn and SOCn change curve. 5.根据权利要求4所述的一种蓄电池组充电管理方法，其特征在于：所述电荷变化速率v计算公式为：5. A battery pack charging management method according to claim 4, characterized in that: the charge change rate v is calculated by the formula: v=（SOCn-SOCn-1）±w，n≥2；v=(SOC n -SOC n-1 )±w, n≥2; 其中，SOCn-1为SOCn前一个的蓄电池电荷数值；Among them, SOC n-1 is the battery charge value before SOCn; SOCn的计算公式为：The calculation formula of SOCn is: ； ; 其中，SOC0是初始电荷数值，C是蓄电池总容量。Among them, SOC 0 is the initial charge value and C is the total capacity of the battery. 6.根据权利要求5所述的一种蓄电池组充电管理方法，其特征在于：所述A3中充电控制操作为：6. A battery pack charging management method according to claim 5, characterized in that: the charging control operation in A3 is: a31、充电阶段中，遇到标记SOCn变化曲线段且为结果一时，对于恒定电流的充电策略进行控制，生成降低充电输入电流的指令，持续时间t后依然未产生变化，则生成充电操作的断电指令；a31. During the charging phase, when encountering the SOCn change curve segment and the result is 1, the constant current charging strategy is controlled to generate an instruction to reduce the charging input current. If there is still no change after a duration of t, a power-off instruction for the charging operation is generated; a32、充电阶段中，遇到标记SOCn变化曲线段且为结果二时，基于恒定电流的充电策略切换至变动电压的充电策略，并根据C3b生成蓄电池降温指令。a32. During the charging phase, when encountering the SOCn change curve segment and the result is Result 2, the charging strategy based on constant current is switched to the charging strategy based on variable voltage, and a battery cooling instruction is generated according to C3b. 7.一种蓄电池组充电管理装置，实施根据权利要求1-6任一项所述的蓄电池组充电管理方法，其特征在于：包括：7. A battery pack charging management device, implementing the battery pack charging management method according to any one of claims 1 to 6, characterized in that it comprises: 充电机组，包含有充电设备，进行充电时数据的调节操作，完成对于蓄电池的充电操作；The charging unit includes a charging device, which adjusts the data during charging and completes the charging operation of the battery; 监测机组，包含有电能表用于测量充电的电压、电流，以及蓄电池的电能存储量，还包含有计时器和温度计用于计量充电时间和充电时蓄电池的温度；A monitoring unit, including an electric energy meter for measuring the charging voltage, current, and electric energy storage capacity of the battery, and also including a timer and a thermometer for measuring the charging time and the temperature of the battery during charging; 调节机组，包含有用于调节蓄电池温度的降温设备。The regulating unit includes a cooling device for regulating the temperature of the battery.
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