CN117786488B - Active safety prevention and control method for electrochemical energy storage full life cycle - Google Patents
Active safety prevention and control method for electrochemical energy storage full life cycle Download PDFInfo
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- 230000002265 prevention Effects 0.000 title claims abstract description 104
- 238000012983 electrochemical energy storage Methods 0.000 title claims abstract description 91
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000013507 mapping Methods 0.000 claims abstract description 30
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 238000007689 inspection Methods 0.000 claims description 14
- 238000004146 energy storage Methods 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 7
- 238000007621 cluster analysis Methods 0.000 claims description 5
- 238000013075 data extraction Methods 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 9
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Abstract
The invention provides an active safety prevention and control method for an electrochemical energy storage full life cycle, which belongs to the technical field of safety prevention and control and comprises the following steps: determining standard information of each stage period under the full life period of electrochemical energy storage, and constructing a full life comparison table; matching corresponding detection sensors for each stage of electrochemical energy storage to obtain actual information of different stages; mapping and comparing the actual information with a full-life comparison table, determining phase faults of different phases, and matching safety prevention and control modes aiming at corresponding phases; and matching auxiliary prevention and control modes according to fault connection among faults in each stage, so as to realize active safety prevention and control of the whole life cycle. The full-life comparison table is constructed by determining standard information, the sensor is checked to obtain actual information according to different phases of the comparison, the mapping comparison is carried out to obtain phase faults, and the corresponding prevention and control modes are matched, so that the electrochemical energy storage can realize active safety prevention and control in the full-life period.
Description
Technical Field
The invention relates to the technical field of safety prevention and control, in particular to an active safety prevention and control method for an electrochemical energy storage full life cycle.
Background
The whole life cycle refers to a design theory that all relevant factors are comprehensively planned and optimized in stages of product design by considering all links of the product life process in the design stage. The existing electrochemical energy storage is more in that the energy storage is simply evaluated, only one part of the whole life cycle is adopted, the purpose of active safety air defense is obviously not achieved, the existing evaluation mode is generally limited in storage space and insufficient in computing capacity, specific faults of the electrochemical energy storage cannot be timely reflected, active prevention and control cannot be achieved, and safety accidents can be possibly caused.
Therefore, the invention provides an active safety prevention and control method for the electrochemical energy storage full life cycle.
Disclosure of Invention
The invention provides an active safety prevention and control method for an electrochemical energy storage full life cycle, which is used for constructing a full life comparison table through standard information, obtaining actual information through a matching detection sensor, carrying out mapping comparison to determine phase faults, determining a safety prevention and control mode and an auxiliary prevention and control mode, realizing active safety prevention and control, and enabling the active prevention and control to be more comprehensive.
The invention provides an active safety prevention and control method for an electrochemical energy storage full life cycle, which comprises the following steps:
Step 1: determining standard information of each stage period under the full life period of electrochemical energy storage, and constructing a full life comparison table;
Step 2: matching corresponding detection sensors for each stage of electrochemical energy storage to obtain actual information of different stages;
Step 3: mapping and comparing the actual information with a full-life comparison table, determining phase faults of different phases, and matching safety prevention and control modes aiming at corresponding phases;
Meanwhile, matching auxiliary prevention and control modes according to fault connection among faults in each stage;
step 4: based on the safety prevention and control mode and the auxiliary prevention and control mode, active safety prevention and control over the whole life cycle is realized.
In one possible implementation, determining standard information for each phase period of an electrochemical energy storage over a life cycle includes:
Acquiring energy storage specifications and material information of electrochemical energy storage, and acquiring sample operation data of the electrochemical energy storage from a sample database;
Extracting all parameter descriptions and parameter values in the sample operation data to obtain standard information of electrochemical energy storage;
And acquiring each operation stage in the electrochemical energy storage full life cycle, and extracting the standard information according to each operation stage to obtain the standard information of each stage period in the electrochemical energy storage full life cycle.
In one possible implementation, constructing the full life lookup table includes:
classifying standard information of each stage period under the full life cycle of electrochemical energy storage according to different operation conditions to obtain a classification result;
And constructing a comparison table based on the classification result and the period of each stage under the full life cycle of electrochemical energy storage, so as to obtain the full life comparison table.
In one possible implementation, the matching of the corresponding inspection sensors for each stage of electrochemical energy storage, obtaining actual information for different stages, includes:
Acquiring an inspection sensor capable of reflecting the running state of each stage period of the whole life cycle of the electrochemical energy storage operation and a corresponding setting part based on the electrochemical energy storage requirement, and installing a corresponding inspection sensor on a target object under a corresponding stage;
And acquiring actual operation data of the electrochemical energy storage full life cycle based on the detection sensor, and carrying out standardization processing on the actual operation data to obtain actual information of different stages of the electrochemical energy storage full life cycle.
In one possible implementation manner, mapping and comparing the actual information with a full life reference table to determine phase faults of different phases includes:
the actual information is subjected to first classification according to the operation conditions of each stage period under the full life cycle of electrochemical energy storage, so that actual information groups of different operation conditions of each stage period are obtained;
Data extraction is carried out from the full-life comparison table according to the first classification result, and a standard information group corresponding to the actual information group is obtained;
mapping and comparing each actual information group with a corresponding standard information group to obtain fault information of different operation conditions of each stage period;
And inputting the fault information into an information-type mapping table, determining the fault type corresponding to each piece of fault information, carrying out cluster analysis on the corresponding fault type according to the corresponding stage period and the operation working condition to obtain a fault cluster result, and obtaining stage faults of different stages based on the fault cluster result.
In one possible implementation manner, mapping and comparing each actual information set with a corresponding standard information set to obtain fault information of different operation conditions of each stage period, where the fault information includes:
According to the mapping comparison result, determining a fault set of the corresponding actual information set and the standard information set under the corresponding operation working condition of the corresponding stage period:
The method comprises the steps of determining a characteristic i under a corresponding operation condition, wherein i is the characteristic i under the corresponding operation condition, is the information similarity of the characteristic i under the operation condition a, is the difference value between the standard characteristic value and the actual characteristic value of the ith time point i, is the operation time of the operation condition a, is the fault value under the operation condition a, and is the weight duty ratio of the characteristic i under the operation condition a;
Wherein x1 j represents the actual value at the j-th time under the feature a determined based on the actual information group; x0 j represents a standard value of the j-th time under the feature a determined based on the standard information group; m represents the number of times that the actual information set contains; delta (a) represents the average fault value of feature a at different times; s1 represents a corresponding fault set; delta (a) i represents the average value of all delta (a) based on the running index i; (|x1 j-x0j|)i,max denotes the maximum value of all δ (a) based on the operation index i; σ1 2 denotes the variance of all δ (a) based on the operation index i; The ratio of the number n1 to m satisfying delta (a) not less than delta (a) i under the operation index i is represented; n represents the number of all operation indexes involved in the corresponding phase period;
and obtaining fault information matched with the fault value from a set-information mapping table.
In one possible implementation, matching the security protection and control mode for the corresponding stage includes:
Acquiring a fault type and a fault position corresponding to each piece of fault information in the same-stage period, and acquiring an independent safety control mode corresponding to each fault position;
and carrying out comprehensive treatment on all the independent safety prevention and control modes based on the fault clustering result, and correlating the comprehensive treatment result with the fault position to obtain the safety prevention and control modes aiming at the corresponding stage.
In one possible implementation, matching the auxiliary prevention and control mode according to the fault connection between faults in each stage includes:
Acquiring all fault information contained in the phase faults of each phase, and screening out parts with similarity higher than preset similarity from the fault information as associated fault information;
And obtaining fault connection among all stages based on the associated fault information, and matching corresponding auxiliary prevention and control modes based on the fault connection.
In one possible implementation, based on the safety prevention and control manner and the auxiliary prevention and control manner, active safety prevention and control over the whole life cycle is implemented, including:
setting a first prevention and control time tag to the safety air defense mode;
setting a second prevention and control time tag to the auxiliary air defense mode;
And (5) active safety prevention and control over the whole life cycle are realized according to the label setting result.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a flow chart of an active safety prevention and control method for an electrochemical energy storage full life cycle in an embodiment of the invention.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
The embodiment of the invention provides an active safety prevention and control method for an electrochemical energy storage full life cycle, which is shown in fig. 1 and comprises the following steps:
Step 1: determining standard information of each stage period under the full life period of electrochemical energy storage, and constructing a full life comparison table;
Step 2: matching corresponding detection sensors for each stage of electrochemical energy storage to obtain actual information of different stages;
Step 3: mapping and comparing the actual information with a full-life comparison table, determining phase faults of different phases, and matching safety prevention and control modes aiming at corresponding phases;
Meanwhile, matching auxiliary prevention and control modes according to fault connection among faults in each stage;
step 4: based on the safety prevention and control mode and the auxiliary prevention and control mode, active safety prevention and control over the whole life cycle is realized.
In this embodiment, the full life cycle of the electrochemical energy storage includes different phases, such as a preparation phase, an energy storage phase, a transportation phase, etc., and each of the different phases can be regarded as one phase cycle.
In this embodiment, the life-cycle comparison table includes standard information required by each stage of the electrochemical energy storage life cycle under different operation conditions, and corresponding standard information can be obtained through the stage information and the condition information, for example, stage 1 includes information a and information B under condition 1, and the value of information a is 1, and the value of information B is 1.5, and then the standard information of stage 1 condition 1 is that the value of information a is 1 and the value of information B is 1.5.
In this embodiment, the inspection sensor is a sensor for inspection capable of reflecting the operation condition of the electrochemical energy storage, and the operation condition of the electrochemical energy storage in each phase period of the full life cycle can be obtained by the inspection sensor.
In this embodiment, the actual information refers to information detected by the inspection sensor at different stages, for example, stage 2 includes sensor 1, the value of sensor 1 under the working condition 1 is 1, the corresponding information of sensor 1 is information a, and the value of information a under the working condition 1 of stage 2 is 1.
In this embodiment, the mapping comparison is to compare the actual information with the standard information contained in the lifetime comparison table, and the corresponding stage and the operation condition need to be obtained through the actual information first, and then the corresponding standard information and the actual information are extracted from the lifetime comparison table to be compared one by one.
In this embodiment, the phase faults are obtained by performing a cluster analysis on fault types of faults occurring at each phase in the electrochemical energy storage full life cycle.
In this embodiment, the safety control manner is related to the fault type and the fault location determined by each piece of fault information in the corresponding phase period, for example, the fault type corresponding to the fault information 1 is that the temperature is too high, the fault location is that the fault 2 is that the current is too high, and the fault location is that the fault 1, and then the related safety control manner needs to control the temperature of the location 2 and the current of the location 1 simultaneously.
In this embodiment, the auxiliary prevention and control manner is related to the fault connection between the faults of each stage, for example, when the current is too high at the position 2 in the stage 1 and the stage 2 at the same time, the auxiliary prevention and control needs to be performed on the position 2, so that the situation that the current is too high again in the position 2 is prevented.
In this embodiment, the active security control is implemented by setting a time tag combination according to a dependency relationship between the security control mode and the auxiliary security control mode, and according to a tag setting result.
The beneficial effects of the technical scheme are as follows: the full life comparison table is constructed by determining standard information of each stage period under the full life period, detecting the full life period by matching corresponding detection sensors to obtain actual information, mapping and comparing the actual information, determining stage faults, ensuring the accuracy of the stage faults, matching corresponding safety prevention and control modes, improving the safety of electrochemical energy storage, matching auxiliary prevention and control modes according to fault connection, realizing active safety prevention and control on the full life period, ensuring that the active safety prevention and control can prevent and control all faults, and ensuring the comprehensiveness of the active safety prevention and control.
The embodiment of the invention provides an active safety prevention and control method for an electrochemical energy storage full life cycle, which determines standard information of each stage period under the electrochemical energy storage full life cycle and comprises the following steps:
Acquiring energy storage specifications and material information of electrochemical energy storage, and acquiring sample operation data of the electrochemical energy storage from a sample database;
Extracting all parameter descriptions and parameter values in the sample operation data to obtain standard information of electrochemical energy storage;
And acquiring each operation stage in the electrochemical energy storage full life cycle, and extracting the standard information according to each operation stage to obtain the standard information of each stage period in the electrochemical energy storage full life cycle.
In this embodiment, the energy storage specifications include the amount of energy that the individual electrochemical energy storage device is required to store and the total amount of energy that the overall electrochemical energy storage device is required to store.
In this embodiment, the material information refers to the type of material and the characteristics of the material that is subjected to electrochemical energy storage.
In this embodiment, the sample database contains various energy storage specifications and various material information as the operation conditions of the sample.
In this embodiment, the sample operation data refers to data recorded by a sample in the sample database at the time of operation, wherein the sample is consistent with the energy storage specification and material information of electrochemical energy storage.
In this embodiment, the parameter description includes the stage, the working condition and other operation information to which the parameter belongs, and the parameter value refers to a specific value of the corresponding parameter.
In this embodiment, the standard information refers to all information available from all sample operation data.
The beneficial effects of the technical scheme are as follows: the standard information is extracted according to the operation stage, so that the standard information of each stage is obtained, and convenience is provided for the subsequent construction of the full-life comparison table.
The embodiment of the invention provides an electrochemical energy storage full life cycle active safety prevention and control method, which constructs a full life comparison table and comprises the following steps:
classifying standard information of each stage period under the full life cycle of electrochemical energy storage according to different operation conditions to obtain a classification result;
And constructing a comparison table based on the classification result and the period of each stage under the full life cycle of electrochemical energy storage, so as to obtain the full life comparison table.
In this embodiment, the operating condition refers to the electrochemical energy storage operating state such as charge, discharge, energy storage, etc., and their specific operating condition such as charging at a rate of 10A/s for ten minutes, and the electrochemical energy storage operating condition is charging at a rate of 10A/s during these ten minutes.
In this embodiment, the classification result refers to classifying standard information according to the operating condition to which the standard information belongs, for example, information 1 and information 2 are obtained under the operating condition 1, and information 3 is obtained under the operating condition 2, so that the information 1 and the information 2 belong to the same category, and the information 3 belongs to the same category.
The beneficial effects of the technical scheme are as follows: the standard information of each stage period is classified according to different operation conditions, and the comparison table is constructed according to the classification result and the corresponding stage period, so that the full-life comparison table is obtained, the accuracy of the full-life comparison table is ensured, and the standard information of each stage period is further classified according to the operation conditions, so that the full-life comparison table is clearer.
The embodiment of the invention provides an active safety prevention and control method for the whole life cycle of electrochemical energy storage, which is used for matching corresponding inspection sensors for each stage of electrochemical energy storage to obtain actual information of different stages, and comprises the following steps:
Acquiring an inspection sensor capable of reflecting the running state of each stage period of the whole life cycle of the electrochemical energy storage operation and a corresponding setting part based on the electrochemical energy storage requirement, and installing a corresponding inspection sensor on a target object under a corresponding stage;
And acquiring actual operation data of the electrochemical energy storage full life cycle based on the detection sensor, and carrying out standardization processing on the actual operation data to obtain actual information of different stages of the electrochemical energy storage full life cycle.
In this embodiment, the operation state refers to the state information of the electrochemical energy storage device 1 operating in the corresponding period of the phase, for example, in the period 1-2 of the device 1, the discharge is 10A/s at the temperature of 30 ℃, and the discharge is 10A/s at the temperature of 30 ℃ is the operation state of the electrochemical energy storage device 1 in the corresponding period of the phase 1.
In this embodiment, the corresponding setting location is a setting location that can effectively obtain the operating state, for example, the temperature information of the electrochemical energy storage device 1 requires that the temperature sensor is mounted on the top of the device 1, and then the corresponding setting location is the top of the device 1.
In this embodiment, the actual operation data refers to operation data acquired by the mounted inspection sensor during the electrochemical energy storage operation.
In this embodiment, normalization is to make the actual operation data clearer.
In this embodiment, the actual information refers to the information of the electrochemical energy storage full life cycle at the corresponding stage reflected by the actual operation data.
The beneficial effects of the technical scheme are as follows: the detection sensor matched with the running state of each stage period and the corresponding setting part are obtained through energy storage requirements, and are installed, the actual running data of the electrochemical energy storage full life period can be obtained through the installed sensor, the comprehensiveness of the actual running data is guaranteed, the accuracy of stage faults is further guaranteed, the actual information is obtained through standardized processing of the actual running data, and the follow-up information comparison is more convenient.
The embodiment of the invention provides an active safety prevention and control method for an electrochemical energy storage full life cycle, which is used for mapping and comparing actual information with a full life comparison table to determine phase faults of different phases, and comprises the following steps:
the actual information is subjected to first classification according to the operation conditions of each stage period under the full life cycle of electrochemical energy storage, so that actual information groups of different operation conditions of each stage period are obtained;
Data extraction is carried out from the full-life comparison table according to the first classification result, and a standard information group corresponding to the actual information group is obtained;
mapping and comparing each actual information group with a corresponding standard information group to obtain fault information of different operation conditions of each stage period;
And inputting the fault information into an information-type mapping table, determining the fault type corresponding to each piece of fault information, carrying out cluster analysis on the corresponding fault type according to the corresponding stage period and the operation working condition to obtain a fault cluster result, and obtaining stage faults of different stages based on the fault cluster result.
In this embodiment, the first classification classifies the actual information according to the phase period and the operating condition.
In this embodiment, the actual information sets refer to different information sets obtained by classifying the actual information, and the operation conditions and the phase periods corresponding to each information set are not the same at the same time.
In this embodiment, the standard information set is an information set obtained by classifying standard information according to different working conditions and different phase periods, and the operation working conditions and the corresponding phase periods corresponding to each information set are not the same at the same time.
In this embodiment, the failure information refers to information which is inconsistent with the standard information and obtained by comparing the actual information set with the information in the corresponding standard information set one by one.
In this embodiment, the information-type mapping table may reflect different fault types corresponding to the fault information, for example, the fault type corresponding to the fault information 1 is type 1.
In this embodiment, the fault clustering result is an analysis result obtained by performing cluster analysis on the fault type corresponding to each piece of fault information according to the corresponding stage period and the operation condition.
The beneficial effects of the technical scheme are as follows: the actual information is subjected to first classification according to the operation conditions to obtain actual information groups under different conditions, so that the follow-up data extraction becomes more convenient, the information errors of the actual information and the standard information can be intuitively reflected by comparing the actual information groups with the standard information groups, the fault information of different conditions is further obtained, the fault type of each fault information is determined by inputting the fault information into the information-fault mapping table, the clustering fault result is obtained by carrying out clustering analysis according to the stage period and the operation conditions, the stage faults are further obtained, and the accuracy and the comprehensiveness of the stage faults are ensured.
The embodiment of the invention provides an active safety prevention and control method for an electrochemical energy storage full life cycle, which is used for mapping and comparing each actual information group with a corresponding standard information group to obtain fault information of different operation conditions of each stage period, and comprises the following steps:
According to the mapping comparison result, determining a fault set of the corresponding actual information set and the standard information set under the corresponding operation working condition of the corresponding stage period:
The method comprises the steps of determining a characteristic i under a corresponding operation condition, wherein i is the characteristic i under the corresponding operation condition, is the information similarity of the characteristic i under the operation condition a, is the difference value between the standard characteristic value and the actual characteristic value of the ith time point i, is the operation time of the operation condition a, is the fault value under the operation condition a, and is the weight duty ratio of the characteristic i under the operation condition a;
Wherein x1 j represents the actual value at the j-th time under the feature a determined based on the actual information group; x0 j represents a standard value of the j-th time under the feature a determined based on the standard information group; m represents the number of times that the actual information set contains; delta (a) represents the average fault value of feature a at different times; s1 represents a corresponding fault set; delta (a) i represents the average value of all delta (a) based on the running index i; (|x1 j-x0j|)i,max denotes the maximum value of all δ (a) based on the operation index i; σ1 2 denotes the variance of all δ (a) based on the operation index i; The ratio of the number n1 to m satisfying delta (a) not less than delta (a) i under the operation index i is represented; n represents the number of all operation indexes involved in the corresponding phase period;
and obtaining fault information matched with the fault value from a set-information mapping table.
In this embodiment, the fault set is composed of all fault information obtained by comparing the actual information set with each corresponding information in the standard information set.
In this embodiment, the set-information mapping table refers to each different fault set capable of reflecting a certain fault information.
The technical scheme has the beneficial effects that: the fault set of the actual information set and the standard information set under the corresponding working condition of the corresponding stage period is obtained through the mapping comparison result, the running state is further divided, the analysis of faults is finer, the stage and the working condition of faults are convenient to accurately locate, the fault information matched with the fault value is obtained from the set-information mapping table, the obtaining of the fault information is more reliable, and the accuracy of the fault information is guaranteed.
The embodiment of the invention provides an active safety prevention and control method for an electrochemical energy storage full life cycle, which matches a safety prevention and control mode aiming at a corresponding stage, and comprises the following steps:
Acquiring a fault type and a fault position corresponding to each piece of fault information in the same-stage period, and acquiring an independent safety control mode corresponding to each fault position;
and carrying out comprehensive treatment on all the independent safety prevention and control modes based on the fault clustering result, and correlating the comprehensive treatment result with the fault position to obtain the safety prevention and control modes aiming at the corresponding stage.
In this embodiment, the fault location refers to the location in the electrochemical storage where the failed device is located as reflected in the fault information.
In this embodiment, the single safety control mode is a control mode made by the pointer to a single fault occurrence location, for example, if the device at the location 1 is over-heated, the single control mode for the location 1 is to cool down.
In this embodiment, the integrated processing refers to integrated processing of each control mode made for a single fault occurrence location, for example, if the device at the location 1 and the device at the location 2 are over-heated and the location 1 and the location 2 are adjacent, then the individual control modes for the location 1 and the location 2 may be combined.
The beneficial effects of the technical scheme are as follows: by acquiring the fault type and the fault position corresponding to each piece of fault information and acquiring an independent safety prevention and control mode aiming at each fault position, the safety prevention and control of each fault position can be realized, the independent safety prevention and control modes are comprehensively processed through the fault clustering result, the processing result is associated with the fault position, and the safety prevention and control mode in the corresponding stage is obtained, so that the safety prevention and control of each fault position can be realized, and the safety prevention and control of the whole corresponding stage can be realized.
The embodiment of the invention provides an active safety prevention and control method for an electrochemical energy storage full life cycle, which matches auxiliary prevention and control modes according to fault connection among faults in each stage, and comprises the following steps:
Acquiring all fault information contained in the phase faults of each phase, and screening out parts with similarity higher than preset similarity from the fault information as associated fault information;
And obtaining fault connection among all stages based on the associated fault information, and matching corresponding auxiliary prevention and control modes based on the fault connection.
In this embodiment, the total fault information is a summation of fault information contained by the phase faults of each phase of electrochemical energy storage.
In this embodiment, the relevant fault information refers to a part of all fault information in which a relevant relationship exists, and may be determined by the similarity between the information, for example, the preset similarity is 79%, the similarity between the fault information 1 and the fault information 23 is 95%, and if the similarity exceeds the preset similarity, the fault information 1 and the fault information 23 are determined to be relevant faults.
In this embodiment, the fault connection refers to a correlation between phase faults occurring between different phases, for example, when phase 1 fails to cause phase 2 to fail to form 3, then the fault connection between phase 1 and phase 2 is the connection between fault 1 and fault 3.
The beneficial effects of the technical scheme are as follows: all fault information contained by the phase faults of each phase is obtained, and a part with higher similarity is screened out to serve as associated fault information, so that the association relation among different fault information of different phases is obtained, conditions are created for subsequent auxiliary prevention and control, the fault association among the phases is obtained from the associated scratch fault information, and corresponding auxiliary prevention and control modes are matched, so that prevention and control safety is further ensured.
The embodiment of the invention provides an active safety prevention and control method for an electrochemical energy storage full life cycle, which is based on a safety prevention and control mode and an auxiliary prevention and control mode and realizes active safety prevention and control for the full life cycle, and comprises the following steps:
setting a first prevention and control time tag to the safety air defense mode;
setting a second prevention and control time tag to the auxiliary air defense mode;
And (5) active safety prevention and control over the whole life cycle are realized according to the label setting result.
In this embodiment, the first prevention and control time tag refers to a time period in which the security prevention and control mode is started in each stage, including a time of starting and a time of ending each time.
In this embodiment, the second control time tag refers to a time period for performing control in each stage in the auxiliary control manner, and includes a start time and an end time of each control.
In this embodiment, the tag setting result relates to the relationship between the security control mode and the auxiliary control mode, for example, in stage 1, the auxiliary control mode can only be started after the security control mode is started, and in the tag setting result, the time when each control starts should be the security control mode before the auxiliary control mode.
The beneficial effects of the technical scheme are as follows: through setting up first prevention and control time tag to the safety prevention and control mode to set up the second prevention and control time tag to supplementary prevention and control mode, realize the initiative safety prevention and control to life cycle according to the label setting result again, avoided safety prevention and control mode and supplementary prevention and control mode to produce the conflict in time, guaranteed that safety prevention and control mode and supplementary prevention and control mode can both successfully realize preventing and controlling.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (6)
1. An active safety prevention and control method for an electrochemical energy storage full life cycle is characterized by comprising the following steps:
Step 1: determining standard information of each stage period under the full life period of electrochemical energy storage, and constructing a full life comparison table;
Step 2: matching corresponding detection sensors for each stage of electrochemical energy storage to obtain actual information of different stages;
Step 3: mapping and comparing the actual information with a full-life comparison table, determining phase faults of different phases, and matching safety prevention and control modes aiming at corresponding phases;
Meanwhile, matching auxiliary prevention and control modes according to fault connection among faults in each stage;
Step 4: based on a safety prevention and control mode and an auxiliary prevention and control mode, active safety prevention and control over the whole life cycle is realized;
in step 3, mapping and comparing the actual information with a full life reference table to determine phase faults of different phases, including:
the actual information is subjected to first classification according to the operation conditions of each stage period under the full life cycle of electrochemical energy storage, so that actual information groups of different operation conditions of each stage period are obtained;
Data extraction is carried out from the full-life comparison table according to the first classification result, and a standard information group corresponding to the actual information group is obtained;
mapping and comparing each actual information group with a corresponding standard information group to obtain fault information of different operation conditions of each stage period;
Inputting the fault information into an information-type mapping table, determining the fault type corresponding to each piece of fault information, carrying out cluster analysis on the corresponding fault type according to the corresponding stage period and the operation condition to obtain a fault cluster result, and obtaining stage faults of different stages based on the fault cluster result;
Each actual information set is mapped and compared with a corresponding standard information set to obtain fault information of different operation conditions of each stage period, and the method comprises the following steps:
According to the mapping comparison result, determining a fault set of the corresponding actual information set and the standard information set under the corresponding operation working condition of the corresponding stage period:
Wherein x1 j represents the actual value at the j-th time under the feature a determined based on the actual information group; x0 j represents a standard value of the j-th time under the feature a determined based on the standard information group; m represents the number of times that the actual information set contains; delta (a) represents the average fault value of feature a at different times; s1 represents a corresponding fault set; delta (a) i represents the average value of all delta (a) based on the running index i; (|x1 j-x0j|)i,max represents the maximum value of all|x1 j-x0j | based on the operation index i; σ1 2 represents the variance of all δ (a) based on the operation index i; The ratio of the number n1 to m satisfying delta (a) not less than delta (a) i under the operation index i is represented; n represents the number of all operation indexes involved in the corresponding phase period;
acquiring fault information matched with the fault value from a set-information mapping table;
In step 3, the matching of the security protection and control modes for the corresponding stage includes:
Acquiring a fault type and a fault position corresponding to each piece of fault information in the same-stage period, and acquiring an independent safety control mode corresponding to each fault position;
and carrying out comprehensive treatment on all the independent safety prevention and control modes based on the fault clustering result, and correlating the comprehensive treatment result with the fault position to obtain the safety prevention and control modes aiming at the corresponding stage.
2. The method for actively controlling and controlling the life cycle of an electrochemical energy storage according to claim 1, wherein in step 1, determining standard information of each phase period under the life cycle of the electrochemical energy storage comprises:
Acquiring energy storage specifications and material information of electrochemical energy storage, and acquiring sample operation data of the electrochemical energy storage from a sample database;
Extracting all parameter descriptions and parameter values in the sample operation data to obtain standard information of electrochemical energy storage;
And acquiring each operation stage in the electrochemical energy storage full life cycle, and extracting the standard information according to each operation stage to obtain the standard information of each stage period in the electrochemical energy storage full life cycle.
3. The method of claim 1, wherein in step 1, constructing a life-cycle control table comprises:
classifying standard information of each stage period under the full life cycle of electrochemical energy storage according to different operation conditions to obtain a classification result;
And constructing a comparison table based on the classification result and the period of each stage under the full life cycle of electrochemical energy storage, so as to obtain the full life comparison table.
4. The method of claim 1, wherein in step 2, the steps of matching the respective inspection sensors for each stage of the electrochemical energy storage to obtain actual information of different stages comprise:
Acquiring an inspection sensor capable of reflecting the running state of each stage period of the whole life cycle of the electrochemical energy storage operation and a corresponding setting part based on the electrochemical energy storage requirement, and installing a corresponding inspection sensor on a target object under a corresponding stage;
And acquiring actual operation data of the electrochemical energy storage full life cycle based on the detection sensor, and carrying out standardization processing on the actual operation data to obtain actual information of different stages of the electrochemical energy storage full life cycle.
5. The method of claim 1, wherein in step 3, matching auxiliary control modes according to fault connection between faults in each stage comprises:
Acquiring all fault information contained in the phase faults of each phase, and screening out parts with similarity higher than preset similarity from the fault information as associated fault information;
And obtaining fault connection among all stages based on the associated fault information, and matching corresponding auxiliary prevention and control modes based on the fault connection.
6. The method of claim 1, wherein in step 4, based on the safety prevention and control mode and the auxiliary prevention and control mode, the active safety prevention and control of the whole life cycle is realized, and the method comprises the following steps:
setting a first prevention and control time tag to the safety prevention and control mode;
Setting a second prevention and control time tag to the auxiliary prevention and control mode;
And (5) active safety prevention and control over the whole life cycle are realized according to the label setting result.
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