CN108010305B - Self-diagnosis method for data acquisition fault of integrated energy management platform - Google Patents
Self-diagnosis method for data acquisition fault of integrated energy management platform Download PDFInfo
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Abstract
The invention discloses a self-diagnosis method for data acquisition faults of an integrated energy management platform. The invention relates to the technical field of energy management, in particular to a self-diagnosis method for data acquisition faults of an integrated energy management platform.
Description
Technical Field
The invention relates to the technical field of energy management, in particular to a self-diagnosis method for data acquisition faults of an integrated energy management platform.
Background
In the aspect of electric power data acquisition, the network topology structure comprises an acquisition main station, a network channel, acquisition points and a meter from top to bottom in the data acquisition. In the practical process of the electric power data acquisition system, operation and maintenance personnel find that the system is greatly influenced by software and hardware such as an acquisition master station, a network channel, an acquisition point, a meter and the like, and need to judge the reason and the processing method of fault (abnormity) generation in time.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a self-diagnosis method for data acquisition faults of an integrated energy management platform, so that the automatic diagnosis of the data acquisition faults is realized, and the working efficiency of troubleshooting is greatly improved.
The technical scheme adopted by the invention is as follows: a self-diagnosis method for data acquisition faults of an integrated energy management platform comprises the following steps:
s1, acquiring the acquisition rate of the acquisition master station, judging whether the overall data acquisition rate of the acquisition master station is equal to 0, if so, checking the acquisition master station server according to the rule of judging the server fault, if so, diagnosing the acquisition master station fault, and ending the diagnosis process; if not, entering a network channel for checking;
s2, acquiring the acquisition rate of each network channel, judging whether the acquisition rate of the network channel is equal to 0, if so, checking the network channel by judging the rule of the network channel fault, if so, diagnosing the network channel as the network channel fault, and ending the diagnosis process; if not, entering the acquisition point for checking;
s3, acquiring the acquisition rate of each acquisition point, judging whether the acquisition rate of the acquisition point is equal to 0, if so, diagnosing the acquisition point according to the rule of judging the failure of the acquisition point, if so, diagnosing the acquisition point as the failure of the acquisition point, and ending the diagnosis process; if not, entering into meter check;
s4, acquiring the acquisition rate of each meter, judging whether the acquisition rate of the meter is equal to 0, if so, diagnosing the meters item by item through the diagnosis rule of judging the fault of the meter, if so, diagnosing the meter as the fault of the meter, and ending the diagnosis process; if not, diagnosing as no fault and ending the diagnosis process.
As a further improvement of the scheme, the main station faults comprise a front-end processor fault, a database fault and a timing task fault.
As a further improvement of the above scheme, step S1 specifically includes: acquiring the acquisition rate of an acquisition master station according to the master station working condition recorded by a master station monitoring program of a regional metering automation system, judging whether the integral data acquisition rate of the acquisition master station is equal to 0, if so, further judging whether the master station monitoring program carries out working condition recording according to a monitoring period, if not, diagnosing the master station monitoring program fault, or further checking whether a server corresponding to the master station normally operates, and if checking that the server corresponding to the master station does not normally operate, diagnosing the master station monitoring program fault; and if the integral data acquisition rate of the acquisition master station is not equal to 0, entering network channel inspection.
As a further improvement of the above scheme, the collection point includes a terminal and a concentrator, and the step S2 specifically includes: acquiring the acquisition rate of each network channel, judging whether the acquisition rate of the network channels is equal to 0 or not, if so, recording data through a regional metering automation system to acquire the online recording condition of a terminal, classifying the network channels of different terminal files, inquiring the online condition of the terminal corresponding to each network channel, and if the online rate of the terminal corresponding to the network channel is lower than a preset value, diagnosing the communication fault of the network channel; and if the network channel acquisition rate is not equal to 0, entering acquisition point check.
As a further improvement of the above scheme, the acquisition point fault includes that the corresponding acquisition point is not acquired, the corresponding acquisition item is incomplete, and the corresponding data point is incomplete.
As a further improvement of the above scheme, the step S3 specifically includes the sub-steps of:
s31, acquiring the acquisition rate of each acquisition point, judging whether the acquisition rate of the acquisition point is equal to 0, if so, checking whether the terminal online rate of the corresponding date is 0% through a terminal day online condition monitoring table, if so, analyzing the terminal historical online condition, if the terminal is online before but not online on the day, diagnosing the communication module fault, if the history is not online, diagnosing the communication parameter fault, if not, diagnosing the terminal online rate is not 0%, diagnosing the terminal is online and not acquiring, and entering the step S32;
s32, acquiring a communication protocol sequence and a sub-communication protocol corresponding to the terminal through the acquisition point monitoring table, judging whether the communication protocol sequence and the sub-communication protocol corresponding to the terminal are consistent with those of terminals of the same model, if not, diagnosing that the terminal protocol is wrong, if so, considering that the terminal protocol is normal, and entering the step S33;
s33, checking a task template corresponding to the terminal task according to the recorded data of the terminal in the terminal task allocation table, if the task template does not have data items to be acquired, diagnosing that the configuration of the terminal acquisition task is wrong, otherwise, entering the step S34;
s34, checking a task template corresponding to the terminal task according to the recorded data of the terminal in the terminal task allocation table, if the data items to be acquired in the task template are incomplete, diagnosing that the terminal acquisition task is incomplete, otherwise, entering the step S35;
s35, acquiring the terminal daily login times through the terminal daily online condition monitoring table, judging whether the terminal daily login times exceed a preset value, if so, diagnosing that the terminal is frequently on and off, and if not, entering the step S36;
s36, acquiring the daily online rate and the communication success rate of the terminal through the daily online condition monitoring table of the terminal, and judging whether the daily online rate of the terminal is lower than a preset value or the communication success rate is lower than a preset value, if so, diagnosing that the field signal of the terminal is unstable, otherwise, diagnosing that other failure causes are failed; and if the acquisition rate of the acquisition point is not equal to 0, entering the meter for checking.
As a further improvement of the scheme, the faults of the meter comprise that the acquisition points are not acquired, the acquisition items are incomplete and the data points are incomplete.
As a further improvement of the above scheme, the step S4 specifically includes the sub-steps of:
s41, acquiring the acquisition rate of each meter, judging whether the acquisition rate of each meter is equal to 0, if so, acquiring an acquisition point communication parameter template protocol of the meter, comparing the meter communication parameter template protocol with an acquisition point communication parameter template protocol corresponding to a meter of the same type, if so, diagnosing that the meter communication parameter template is wrong, otherwise, entering S42;
s42, acquiring the asset number and the communication address of the electric energy meter where the meter is located, comparing the last six digits of the asset number of the electric energy meter with the communication address of the electric energy meter, if the two digits are not consistent, diagnosing that the communication address of the meter is wrong, otherwise, entering the step S43;
s43, acquiring an acquisition point corresponding to the meter according to the meter, acquiring a configuration task of the acquisition point through a terminal task allocation table, checking a task template corresponding to the acquisition point configuration task, if the task template has incomplete data items to be acquired, diagnosing that the acquisition task of the acquisition point is incomplete, otherwise, entering S44;
s44, acquiring a collection point corresponding to the meter according to the meter, acquiring a terminal corresponding to the collection point from a collection point table, checking the online rate of the terminal in a terminal daily online condition record table, and judging whether the online rate of the terminal is lower than a preset value, wherein if yes, the data point collected by the collection point is diagnosed to be incomplete, otherwise, the data point is diagnosed to be a fault caused by other reasons which cannot be diagnosed; if the acquisition rate of the meter is not equal to 0, the meter is diagnosed as being fault-free, and the diagnosis process is ended.
The invention has the beneficial effects that:
a self-diagnosis method for data acquisition faults of an integrated energy management platform carries out fault location through acquisition rates of an acquisition master station, a network channel, an acquisition point and a meter, and then diagnoses the faults through verification of a diagnosis rule, so that automatic diagnosis of the data acquisition faults is realized, and the working efficiency of troubleshooting is greatly improved.
Drawings
The following further describes embodiments of the present invention with reference to the accompanying drawings:
FIG. 1 is a block diagram of a prior art power data collection system;
FIG. 2 is a fault division and fault cause block diagram of a data acquisition fault of the present invention;
fig. 3 is a flow chart of a self-diagnosis method for data acquisition of the integrated energy management platform according to the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Fig. 1 is a structural block diagram of an existing power data acquisition system, and as shown in fig. 1, the existing power data acquisition system includes an acquisition master station, a network channel, acquisition points and meter meters, the acquisition points include terminals and acquisition concentrators, the acquisition master station is correspondingly provided with a front server, the front server is connected with the terminals through the network channel, and each terminal is assigned with at least one meter (i.e., an electric meter) for acquiring power data. Specifically, the terminal comprises a station terminal, a negative control terminal and a distribution transformer terminal, and the network channel is correspondingly provided with a station optical fiber channel, a distribution transformer GPRS signal, a negative control GPRS channel 1, a negative control GPRS channel 2, a centralized reading GPRS channel 1 and a centralized reading GPRS channel 2.
The failure point 1 mainly refers to a failure determined for a front-end server of the metering automation system, and includes a hardware failure of the front-end server, an operating system failure, a network failure, a communication management program and a data acquisition program deployed on the front-end server.
The failure point 2 mainly refers to a failure determined for a network channel of the metering automation system, and mainly determines a communication link to determine whether the network channel is normally connected.
The failure point 3 mainly refers to a failure determined for a field acquisition terminal of the metering automation system, and includes an acquisition terminal communication failure, an abnormal configuration parameter that causes the communication failure, and the like.
The failure point 4 mainly refers to a failure determined for a field metering device of the metering automation system, and includes a meter communication failure, a meter acquisition failure, and an abnormal configuration parameter that causes the acquisition failure.
Fig. 2 is a block diagram of fault division and fault cause of data acquisition faults, and fig. 3 is a flow chart of a self-diagnosis method of data acquisition of the integrated energy management platform. With reference to fig. 2 and 3, a self-diagnosis method for data acquisition faults of an integrated energy management platform includes the steps of:
s1, acquiring the acquisition rate of the acquisition master station, judging whether the overall protector acquisition rate of the acquisition master station is equal to 0, if so, checking the acquisition master station server through a rule for judging server faults, if the conditions of memory overflow, front-end processor overflow, database abnormity and the like exist, judging that the acquisition master station fault exists, if the judgment is passed, diagnosing that the acquisition master station fault exists, and ending the diagnosis process; if not, entering into network channel check.
S2, acquiring the acquisition rate of each network channel, judging whether the acquisition rate of the network channel is equal to 0, if so, checking the network channel by judging a network channel fault rule, such as network channel signal quality, network IP (Internet protocol) inspection and other rules, judging whether the network channel is a network channel fault, if so, diagnosing the network channel fault, and ending the diagnosis process; if not, entering the acquisition point for checking;
s3, acquiring the acquisition rate of each acquisition point, judging whether the acquisition rate of the acquisition point is equal to 0, if so, diagnosing the acquisition point by judging the rule of the acquisition point fault, such as acquisition address conflict, acquisition item configuration error and the like, if so, diagnosing the acquisition point fault, and ending the diagnosis process; if not, entering into meter check;
s4, acquiring the acquisition rate of each meter, judging whether the acquisition rate of the meter is equal to 0, if so, diagnosing the meters item by judging the diagnosis rules of the faults of the meters, such as address conflict and protocol error of the meters, if so, diagnosing the meters as the faults of the meters, and ending the diagnosis process; if not, diagnosing as no fault and ending the diagnosis process.
Specifically, the master station fault includes a front-end processor fault, a database fault and a timing task fault. Step S1 specifically includes:
acquiring the acquisition rate of an acquisition master station according to the master station working condition measured by a master station monitoring PROGRAM of a regional measurement automation system, judging whether the integral data acquisition rate of the acquisition master station is equal to 0, if so, further judging whether the master station monitoring PROGRAM records the working condition according to the monitoring period, namely, checking whether the master station monitoring PROGRAM records the working condition according to the monitoring period according to the MON _ DATE field in PROGRAM _ MONITOR _ STAT, and if not, diagnosing that the master station monitoring PROGRAM fails; or further checking whether the server corresponding to the master station normally operates, if the server corresponding to the master station does not normally operate, diagnosing that the PROGRAM fault corresponding to the master station is detected, namely, checking whether the corresponding service normally operates according to a PRO _ STATUS field (0-start, 1-operate, 2-close) in PROGRAM _ MONITOR _ STAT, and if the field is closed, judging that the PROGRAM fault corresponding to the master station; and if the integral data acquisition rate of the acquisition master station is not equal to 0, entering network channel inspection.
Specifically, the collection point includes a terminal and a collection concentrator, the terminal includes a station terminal, a load control terminal and a distribution transformer terminal, and step S2 specifically includes: acquiring acquisition rate of each network channel by recording acquisition point online recording data recorded by a regional metering automation system, judging whether the acquisition rate of the network channel is equal to 0, if so, recording data acquisition terminal online recording conditions by the regional metering automation system, classifying network channels of different types of terminal files, inquiring terminal online conditions corresponding to each network channel, and if the terminal online rates corresponding to the network channels are lower than a preset value, diagnosing network channel communication faults; and if the network channel acquisition rate is not equal to 0, entering acquisition point check.
Specifically, the failure of the acquisition point includes that the corresponding acquisition point is not acquired, the corresponding acquisition item is incomplete and the corresponding data point is incomplete, more specifically, the reason that the corresponding acquisition point is not acquired specifically includes that the terminal is not on-line, the terminal protocol is wrong, the acquisition task is wrong or other, the reason that the corresponding acquisition item is incomplete specifically includes that the acquisition task is wrong or other, and the reason that the corresponding data point is incomplete specifically includes that the terminal is frequently on-line and off-line, the terminal is not enough in on-line rate or other. Step S3 specifically includes the sub-steps of:
s31, acquiring the acquisition rate of each acquisition point, judging whether the acquisition rate of the acquisition point is equal to 0, if so, checking whether the terminal online rate of the corresponding date is 0% through a terminal day online condition monitoring table, if so, analyzing the terminal historical online condition, if the terminal is online before but not online on the day, diagnosing the communication module fault, if the history is not online, diagnosing the communication parameter fault, if not, diagnosing the terminal online rate is not 0%, diagnosing the terminal is online and not acquiring, and entering the step S32;
s32, acquiring a communication protocol sequence and a sub-communication protocol corresponding to the terminal through the acquisition point monitoring table, judging whether the communication protocol sequence and the sub-communication protocol corresponding to the terminal are consistent with those of terminals of the same model, if not, diagnosing that the terminal protocol is wrong, if so, considering that the terminal protocol is normal, and entering the step S33;
s33, according to the recorded data of the terminal in the terminal task allocation table, checking the task template corresponding to the terminal task, if the task template does not have the data item to be acquired (namely the terminal does not have the task configuration information of the data item to be acquired, so that the data cannot be acquired), diagnosing that the configuration of the terminal acquisition task is wrong, otherwise, entering the step S34;
s34, checking a task template corresponding to the terminal task according to the recorded data of the terminal in the terminal task allocation table, if the data items to be acquired in the task template are incomplete, diagnosing that the terminal acquisition task is incomplete, otherwise, entering the step S35;
s35, acquiring the terminal daily login times through the terminal daily online condition monitoring table, judging whether the terminal daily login times exceed a preset value, if so, diagnosing that the terminal is frequently on and off, and if not, entering the step S36;
s36, acquiring the daily online rate and the communication success rate of the terminal through the daily online condition monitoring table of the terminal, and judging whether the daily online rate of the terminal is lower than a preset value or the communication success rate is lower than a preset value, if so, diagnosing that the field signal of the terminal is unstable, otherwise, diagnosing that other failure causes are failed; and if the acquisition rate of the acquisition point is not equal to 0, entering the meter for checking.
Specifically, each terminal is assigned with at least one meter, and the faults of the meters comprise that a collection point is not collected, a collection item is incomplete and a data point is incomplete, more specifically, the reasons for not collecting the collection point comprise communication parameter errors, communication address errors, collection task errors or the like; the reasons for incomplete acquisition items comprise acquisition task errors or others; data point incompleteness includes terminal under-rate or otherwise. Step S4 specifically includes the sub-steps of:
s41, acquiring the acquisition rate of each meter, judging whether the acquisition rate of each meter is equal to 0, if so, acquiring an acquisition point communication parameter template protocol where the meter is located, comparing the meter communication parameter template protocol with an acquisition point communication parameter template protocol corresponding to a meter of the same type, if so, diagnosing that the meter communication parameter template is wrong, otherwise, entering S42;
s42, acquiring the asset number and the communication address of the electric energy meter where the meter is located, comparing the last six digits of the asset number of the electric energy meter with the communication address of the electric energy meter, if the two digits are not consistent, diagnosing that the communication address of the meter is wrong, otherwise, entering the step S43;
s43, acquiring an acquisition point corresponding to the meter according to the meter, acquiring a configuration task of the acquisition point through a terminal task allocation table, checking a task template corresponding to the acquisition point configuration task, if the task template has incomplete data items to be acquired, diagnosing that the acquisition task of the acquisition point is incomplete, otherwise, entering S44;
s44, acquiring a collection point corresponding to the meter according to the meter, acquiring a terminal corresponding to the collection point from a collection point table, checking the online rate of the terminal in a terminal daily online condition record table, and judging whether the online rate of the terminal is lower than a preset value, wherein if yes, the data point collected by the collection point is diagnosed to be incomplete, otherwise, the data point is diagnosed to be a fault caused by other reasons which cannot be diagnosed; if the acquisition rate of the meter is not equal to 0, the meter is diagnosed as being fault-free, and the diagnosis process is ended.
A self-diagnosis method for data acquisition faults of an integrated energy management platform carries out fault location through acquisition rates of an acquisition master station, a network channel, an acquisition point and a meter, and then diagnoses the faults through verification of a diagnosis rule, so that automatic diagnosis of the data acquisition faults is realized, and the working efficiency of troubleshooting is greatly improved.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A self-diagnosis method for data acquisition faults of an integrated energy management platform is characterized by comprising the following steps:
s1, acquiring the acquisition rate of the acquisition master station, judging whether the overall data acquisition rate of the acquisition master station is equal to 0, if so, checking the acquisition master station server according to the rule of judging the server fault, if so, diagnosing the acquisition master station fault, and ending the diagnosis process; if not, entering a network channel for checking;
s2, acquiring the acquisition rate of each network channel, judging whether the acquisition rate of the network channel is equal to 0, if so, checking the network channel by judging the rule of the network channel fault, if so, diagnosing the network channel as the network channel fault, and ending the diagnosis process; if not, entering the acquisition point for checking;
s3, acquiring the acquisition rate of each acquisition point, judging whether the acquisition rate of the acquisition point is equal to 0, if so, diagnosing the acquisition point according to the rule of judging the failure of the acquisition point, if so, diagnosing the acquisition point as the failure of the acquisition point, and ending the diagnosis process; if not, entering into meter check;
s4, acquiring the acquisition rate of each meter, judging whether the acquisition rate of the meter is equal to 0, if so, diagnosing the meters item by item through the diagnosis rule of judging the fault of the meter, if so, diagnosing the meter as the fault of the meter, and ending the diagnosis process; if not, diagnosing that no fault exists and ending the diagnosis process;
the step S3 specifically includes the sub-steps of:
s31, acquiring the acquisition rate of each acquisition point, judging whether the acquisition rate of the acquisition point is equal to 0, if so, checking whether the terminal online rate of the corresponding date is 0% through a terminal day online condition monitoring table, if so, analyzing the terminal historical online condition, if the terminal is online before but not online on the day, diagnosing the communication module fault, if the history is not online, diagnosing the communication parameter fault, if not, diagnosing the terminal online rate is not 0%, diagnosing the terminal is online and not acquiring, and entering the step S32;
s32, acquiring a communication protocol sequence and a sub-communication protocol corresponding to the terminal through the acquisition point monitoring table, judging whether the communication protocol sequence and the sub-communication protocol corresponding to the terminal are consistent with those of terminals of the same model, if not, diagnosing that the terminal protocol is wrong, if so, considering that the terminal protocol is normal, and entering the step S33;
s33, checking a task template corresponding to the terminal task according to the recorded data of the terminal in the terminal task allocation table, if the task template does not have data items to be acquired, diagnosing that the configuration of the terminal acquisition task is wrong, otherwise, entering the step S34;
s34, checking a task template corresponding to the terminal task according to the recorded data of the terminal in the terminal task allocation table, if the data items to be acquired in the task template are incomplete, diagnosing that the terminal acquisition task is incomplete, otherwise, entering the step S35;
s35, acquiring the terminal daily login times through the terminal daily online condition monitoring table, judging whether the terminal daily login times exceed a preset value, if so, diagnosing that the terminal is frequently on and off, and if not, entering the step S36;
s36, acquiring the daily online rate and the communication success rate of the terminal through the daily online condition monitoring table of the terminal, and judging whether the daily online rate of the terminal is lower than a preset value or the communication success rate is lower than a preset value, if so, diagnosing that the field signal of the terminal is unstable, otherwise, diagnosing that other failure causes are failed; and if the acquisition rate of the acquisition point is not equal to 0, entering the meter for checking.
2. The self-diagnosis method for the data collection fault of the integrated energy management platform according to claim 1, wherein the main station fault comprises a front-end processor fault, a database fault and a timing task fault.
3. The self-diagnosis method for data collection faults of the integrated energy management platform according to claim 2, wherein the step S1 is specifically as follows: acquiring the acquisition rate of an acquisition master station according to the master station working condition recorded by a master station monitoring program of a regional metering automation system, judging whether the integral data acquisition rate of the acquisition master station is equal to 0, if so, further judging whether the master station monitoring program carries out working condition recording according to a monitoring period, if not, diagnosing the master station monitoring program fault, or further checking whether a server corresponding to the master station normally operates, and if checking that the server corresponding to the master station does not normally operate, diagnosing the master station monitoring program fault; and if the integral data acquisition rate of the acquisition master station is not equal to 0, entering network channel inspection.
4. The self-diagnosis method for data collection faults of the integrated energy management platform according to claim 3, wherein the collection points comprise terminals and concentrators, and the step S2 specifically comprises: acquiring the acquisition rate of each network channel, judging whether the acquisition rate of the network channels is equal to 0 or not, if so, recording data through a regional metering automation system to acquire the online recording condition of a terminal, classifying the network channels of different terminal files, inquiring the online condition of the terminal corresponding to each network channel, and if the online rate of the terminal corresponding to the network channel is lower than a preset value, diagnosing the communication fault of the network channel; and if the network channel acquisition rate is not equal to 0, entering acquisition point check.
5. The self-diagnosis method for data collection fault of integrated energy management platform according to claim 4, wherein the collection point fault includes non-collection of corresponding collection point, incomplete corresponding collection item and incomplete corresponding data point.
6. The self-diagnosis method for data collection fault of the integrated energy management platform according to claim 5, wherein the meter faults comprise non-collection of collection points, incomplete collection items and incomplete data points.
7. The self-diagnosis method for data collection fault of integrated energy management platform according to claim 6, wherein the step S4 specifically comprises the sub-steps of:
s41, acquiring the acquisition rate of each meter, judging whether the acquisition rate of each meter is equal to 0, if so, acquiring an acquisition point communication parameter template protocol of the meter, comparing the meter communication parameter template protocol with an acquisition point communication parameter template protocol corresponding to a meter of the same type, if so, diagnosing that the meter communication parameter template is wrong, otherwise, entering S42;
s42, acquiring the asset number and the communication address of the electric energy meter where the meter is located, comparing the last six digits of the asset number of the electric energy meter with the communication address of the electric energy meter, if the two digits are not consistent, diagnosing that the communication address of the meter is wrong, otherwise, entering the step S43;
s43, acquiring an acquisition point corresponding to the meter according to the meter, acquiring a configuration task of the acquisition point through a terminal task allocation table, checking a task template corresponding to the acquisition point configuration task, if the task template has incomplete data items to be acquired, diagnosing that the acquisition task of the acquisition point is incomplete, otherwise, entering S44;
s44, acquiring a collection point corresponding to the meter according to the meter, acquiring a terminal corresponding to the collection point from a collection point table, checking the online rate of the terminal in a terminal daily online condition record table, and judging whether the online rate of the terminal is lower than a preset value, wherein if yes, the data point collected by the collection point is diagnosed to be incomplete, otherwise, the data point is diagnosed to be a fault caused by other reasons which cannot be diagnosed; if the acquisition rate of the meter is not equal to 0, the meter is diagnosed as being fault-free, and the diagnosis process is ended.
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| CN112888007B (en) * | 2020-12-30 | 2023-05-05 | 美的集团股份有限公司 | Method, device and storage medium for diagnosing offline reasons of device |
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