CN110704374A - Storage and reading method for rail transit equipment logs - Google Patents
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Abstract
The invention provides a storage and reading method of a rail transit equipment log, which comprises the steps of storing log data generated by equipment in a first period into a temporary storage area, wherein the log data comprises a state log and a fault log; simplifying the state log to generate a simplified state log, and uploading the simplified state log and the fault log to a permanent storage area according to a first period; identifying, classifying and counting the log data in the permanent storage area to obtain a log processing result; and deleting the log data in the permanent storage area according to the second period, and keeping the log processing result. By dividing the temporary storage area and the permanent storage area and carrying out different processing and storage on the log data of the equipment according to different information required by different maintainers, the data requirements of different maintenance types are met, so that the relevant data can be conveniently acquired during on-site rush repair, secondary maintenance and overhaul, the maintenance efficiency of the equipment is improved, and the storage space is effectively utilized.
Description
Technical Field
The invention relates to the technical field of rail transit maintenance, in particular to a method for storing and reading equipment logs suitable for rail transit.
Background
In rail transit, a large amount of maintenance work for critical equipment is based on equipment logs. The log of the key device records time information, device self-check information, received data information, transmitted control command information, communication information and the like. The logs can reflect the working state of the system, maintenance work required to be carried out, fault reasons and the like, and provide the reproduction of the working process and the support of fault diagnosis data for the maintenance work.
In rail transit, existing maintenance and repair is divided into three levels: on-site first-aid repair, secondary maintenance and overhaul. The on-site first-aid repair is also called first-line maintenance, and refers to the maintenance when equipment fails in operation. The second-level maintenance is also called second-line maintenance, and refers to the maintenance and repair of equipment according to the plan after the equipment is shut down. The overhaul means that the equipment is thoroughly maintained and repaired when the equipment is in service for a certain period of time.
Different levels of maintenance require different data support. For example, on-site first-aid repair requires a real-time state of the equipment, two-line maintenance requires a change rule of the state of the equipment within a certain time, and overhaul requires fault statistical data in the whole service period of the equipment.
In the existing model, the log data of the critical devices is not stored for different maintenance repair levels, but is all stored in the maintenance support system. This requires the data to be screened by the practitioner himself at different maintenance and repair levels.
For on-site first-aid repair, the current data has the factors of time delay, inconvenient on-site acquisition and the like, and on-site personnel are often required to collect the data, so that the equipment logs cannot be effectively utilized.
Disclosure of Invention
The invention aims to solve the technical problems that how to consider different maintenance and repair grade requirements in rail transit, a first-line worker can conveniently obtain a key equipment log in time, a second-line worker can obtain state change data of key equipment within a certain time, and a overhaul worker can obtain fault data in all service periods.
According to the embodiment of the disclosure, a storage and reading method scheme of a rail transit device log is provided.
In a first aspect of the disclosure, a method for storing a track transportation device log is provided. The method comprises the following steps:
storing log data generated by equipment in a first period in a temporary storage area, wherein the log data comprises a state log and a fault log;
simplifying the state log to generate a simplified state log, and uploading the simplified state log and the fault log to a permanent storage area according to a first period; the status log comprises self-checking information of the equipment, and the simplified status log only comprises a self-checking result of the equipment;
identifying, classifying and counting the log data in the permanent storage area to obtain a log processing result; the log processing result comprises alarm information of the equipment and statistical information obtained by classifying and accumulating the alarm information;
and deleting the log data in the permanent storage area according to a second period, and keeping the log processing result.
And further, according to the uploading time sequence, deleting the log data stored in the permanent storage area according to the second period.
Further, the second period is several times the first period.
Further, the temporary storage area is arranged inside the device and used for storing log data generated by the device in the first period.
Further, the first period is one operation period of the device.
Further, log data generated by the device in the first period is stored in a temporary storage area in real time.
Further, after the self-test result data and the equipment fault log are uploaded to the permanent storage area according to the first period, the log data in the temporary storage area are deleted.
Further, the storage period of the log processing result in the permanent storage area is indefinite.
Further, the
And identifying, classifying and statistically processing the log data in the permanent storage area, wherein the process comprises the following steps:
counting the equipment state change trend according to the equipment self-checking result in the simplified state log, and identifying equipment in an abnormal state;
aiming at the equipment in the abnormal state, identifying alarm information according to the fault log, and classifying and accumulating the alarm information; the alarm information comprises an alarm grade, an alarm reason and alarm times.
In a second aspect of the disclosure, a method for reading a track traffic device log is provided.
The device log is stored according to the storage method, and the reading method comprises the following steps: reading the log stored in the temporary storage area when performing first-line maintenance;
when secondary maintenance is carried out, reading the simplified state log and the log processing result stored in the permanent storage area;
and when major repair is carried out, reading the log processing result stored in the permanent storage area.
The invention has the following beneficial effects:
according to the invention, by dividing the temporary storage area and the permanent storage area and carrying out different processing and storage on the log data of the equipment according to different information required by different maintainers, a first-line person can conveniently obtain the log of the key equipment in time, a second-line person can obtain the state change data of the key equipment within a certain time, and a overhaul person can obtain the fault data in all service periods; therefore, the data requirements of different maintenance types are met, relevant data can be conveniently acquired in the processes of on-site first-aid repair, secondary maintenance and overhaul, the maintenance efficiency of the equipment is improved, and the storage space is effectively utilized.
It should be understood that the statements herein reciting aspects are not intended to limit the critical or essential features of the embodiments of the present disclosure, nor are they intended to limit the scope of the present disclosure. Other features of the present disclosure will become apparent from the following description.
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The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a flow chart of a method for storing a track transportation device log according to the invention;
fig. 2 is a flowchart of a track traffic device log reading method according to the invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Referring to fig. 1, which shows a flow of the storage method of the rail transit device log of the present invention,
the method comprises the following steps:
s11, storing the log generated by the equipment in the first period in a temporary storage area; the log data comprises a status log and a fault log;
the state log is an operation state log of the equipment in an operation process, and at least comprises detailed self-checking information of the equipment. The fault log includes at least fault information for the device.
When the rail transit starts to operate, the key equipment starts to generate log data which are stored in a temporary storage area in real time and are used by a front-line maintenance personnel. Optionally, the temporary storage area is arranged inside the device, so that timely and quick access is facilitated.
S12, simplifying the state log to generate a simplified state log, and uploading the simplified state log and the fault log to a permanent storage area according to a first period;
when the first period is finished, simplified processing is carried out on the state log, and a simplified state log is generated, wherein the simplified state log comprises a self-checking result of the equipment but does not comprise self-checking information of the equipment, so that the space occupation of a permanent storage area can be reduced.
Optionally, the simplified processing procedure includes:
and identifying self-checking information in the status log, judging whether the self-checking state of the corresponding equipment is normal or not according to the self-checking information, if so, marking the self-checking result of the equipment corresponding to the status log as normal, otherwise, marking the self-checking result as abnormal, and replacing the self-checking information of the equipment with the self-checking result, thereby generating the simplified status log.
S13, identifying, classifying and counting the log data in the permanent storage area to obtain a log processing result; the log processing result comprises alarm information of the equipment and statistical information obtained by classifying and accumulating the alarm information;
the method for generating the log processing result by utilizing the data statistics and mining tool to identify, classify and statistically process the log data in the permanent storage area comprises the following steps:
counting the equipment state change trend according to the equipment self-checking result in the simplified state log, and identifying equipment in an abnormal state; and aiming at the equipment in the abnormal state, identifying alarm information according to the fault log, and classifying and accumulating the alarm information, wherein the alarm information comprises alarm levels (primary alarm, secondary alarm and the like), alarm reasons and alarm times.
The log processing result includes: the device state change trend, the device alarm information and the statistical information obtained by classifying and accumulating the alarm information; the alarm information of the equipment comprises alarm levels (primary alarm, secondary alarm and the like), alarm reasons and alarm times; the statistical information for classifying and accumulating the alarm information includes alarm level statistical information, alarm frequency statistical information, etc., such as alarm frequencies of different levels and alarm frequencies of different reasons.
Therefore, the secondary maintenance personnel can acquire the equipment state data and the log processing result within a period of time, and accordingly conduct targeted processing.
Optionally, the first period is an operation period of the device, that is, the log of the temporary storage area is uploaded after the device is operated, for example, if the operation period of the device is 24 hours, the first period is 24 hours.
Furthermore, the logs in the temporary storage area are deleted according to the first period, namely the logs in the temporary storage area are deleted after the logs are uploaded to the permanent storage area, so that the temporary storage area can be emptied periodically, and the requirement on the storage space is reduced.
And S14, deleting the log data in the permanent storage area according to the second period, and keeping the log processing result.
And deleting the log data stored in the permanent storage area according to the second period according to the uploading time sequence, so that the log data which enters the permanent storage area firstly is deleted firstly. Optionally, the second period is several times the first period, for example, the first period is 24 hours and the second period is 30 days.
Furthermore, the storage time limit of the simplified state log and the simplified failure log in the permanent storage area is a second period, the storage time limit of the log processing result in the permanent storage area is an indefinite period, namely when the storage time of the uploaded log data reaches the second period, the log data is deleted, the log processing result is permanently reserved, and maintenance personnel maintain and repair the equipment according to the long-term log processing result during overhaul. Therefore, the total amount of stored data is reduced, the storage space is saved, and meanwhile, the data requirement of overhaul is met.
Further, the log data in the persistent storage area is identified, classified and statistically processed, and the method comprises the following steps: counting the equipment state change trend according to the equipment self-checking result in the simplified state log, and identifying equipment in an abnormal state;
aiming at the equipment in the abnormal state, identifying alarm information according to the fault log, and classifying and accumulating the alarm information; the alarm information comprises an alarm grade, an alarm reason and alarm times.
The log processing result includes: the alarm information of the equipment and the statistical information obtained by classifying and accumulating the alarm information; the alarm information of the equipment comprises alarm levels (primary alarm, secondary alarm and the like), alarm reasons and alarm times; the statistical information for classifying and accumulating the alarm information includes: equipment state change trend, alarm level statistical information, alarm frequency statistical information and the like.
According to the method, all storage resources are divided into the temporary storage area and the permanent storage area, the temporary storage area only stores the log data produced by the equipment in the first period, the permanent storage area stores the log data according to the period and permanently stores the log processing result, and therefore the data requirements of different maintenance types are met, relevant data can be conveniently obtained during on-site first-aid repair, secondary maintenance and overhaul, the maintenance efficiency of the equipment is improved, and the storage space is effectively utilized.
The method for storing the device log according to the present invention is specifically explained below with reference to an embodiment:
all storage resources are divided into a temporary storage area and a permanent storage area, and the temporary storage area is arranged in the equipment. Setting two storage periods, namely a first period and a second period; the first period is the same as one operating period of the apparatus. For example: one operating cycle of the production facility is 24 hours, the first cycle is 24 hours. The second period was 30 days.
When the rail transit starts to operate, the key equipment starts to generate logs. The logs of the current day are all stored in the temporary storage area. The logs include fault logs and status logs. When performing one-line maintenance, a maintenance person takes data out of the device through a movable data storage tool such as a U disk, an SD card and the like, or transfers the data to a device capable of analyzing logs by a communication method such as Bluetooth or serial communication and the like, so as to obtain fault information recorded in the logs, and performs fault diagnosis based on the data.
And after the operation of one day is finished, simplifying the current-day state log of the equipment to obtain a simplified state log comprising a self-checking result, uploading the simplified state log and a fault log to a permanent storage area, and deleting the data in the temporary storage area. The simplified state log and fault log are processed by a data statistics and mining tool which is deployed in advance in a permanent storage area, and the abnormal information of the key equipment log and the alarm level and the alarm reason of the abnormal log are identified, for example, a fault point of certain equipment generates short circuit due to a certain reason. The alarm information is classified, accumulated and statistically processed, for example, the alarm reasons are analyzed and counted, the time-related alarm information change trend is judged, and a log processing result is generated. The log processing result includes: the equipment state change trend, the equipment alarm information and statistical information for classifying and accumulating the equipment alarm information. The alarm information comprises alarm grade (primary alarm, secondary alarm and the like), alarm reason and alarm frequency.
When performing two-wire maintenance, the maintenance personnel obtain these status data by way of informatization. Because the second-line maintenance only concerns the total health state of the equipment within a period of time and does not concern the specific working state of each day, the second-line maintenance mainly uses whether the self-check of each day is normal or not, which equipment or components generate the first-level alarm and the second-level alarm, what the reason of the alarm is and the like, and thus, the targeted maintenance is realized.
The log data is deleted when the storage time in the permanent storage area exceeds 30 days, and only the log processing results of alarm information, alarm reasons, statistical information and the like are reserved so as to reduce the data volume stored in the permanent storage area.
And when the equipment is overhauled, maintenance personnel maintain and repair the equipment according to the long-term log processing result data.
Referring to fig. 2, which shows a flow of a device log reading method of the present invention,
the method comprises the following steps:
s21, when performing one-line maintenance, reading the log stored in the temporary storage area;
and logs generated by key equipment during rail transit operation are stored in the temporary storage area and are used by front-line maintenance personnel. First-line maintenance personnel care about the equipment running condition in one equipment running period, and need to read all equipment logs in the equipment running period to maintain the equipment in real time. Preferably, a front-line maintenance person takes data out of the device through a removable data storage tool such as a usb disk, an SD card, or the like, or transfers the data to a device capable of analyzing logs by a communication-based method such as bluetooth or serial communication, to obtain the fault information recorded in the logs, and performs fault diagnosis based on the data.
S22, when the two-wire maintenance is carried out, the simplified state log and the log processing result stored in the permanent storage area are read;
the permanent storage area stores log data including simplified state logs and fault logs; and permanently stores the log processing result. During second-line maintenance, second-line maintenance personnel only care about the total health state of equipment within a period of time and do not care about the specific working state of each day, so that the second-line maintenance mainly uses simplified state logs and log processing results, including information about whether each day of self-inspection is normal, which equipment or components generate first-level alarm and second-level alarm, and what alarm reason is, and the like, thereby realizing targeted maintenance.
S23, when the overhaul is carried out, the log processing result stored in the permanent storage area is read;
during overhaul, overhaul maintainers maintain and repair the equipment according to the long-term statistical data, and can conveniently acquire related data.
In the embodiments provided in the present application, it should be understood that the disclosed method can be implemented in other ways.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium. The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A storage method of a track traffic equipment log is characterized by comprising the following steps:
storing log data generated by equipment in a first period in a temporary storage area, wherein the log data comprises a state log and a fault log;
simplifying the state log to generate a simplified state log, and uploading the simplified state log and the fault log to a permanent storage area according to a first period; the simplified status log comprises a self-test result of the equipment but does not comprise self-test information of the equipment;
identifying, classifying and counting the log data in the permanent storage area to obtain a log processing result; the log processing result comprises alarm information of the equipment and statistical information obtained by classifying and accumulating the alarm information;
and deleting the log data in the permanent storage area according to a second period, and keeping the log processing result.
2. The method according to claim 1, wherein the log data stored in the persistent storage area is deleted according to the second period according to an uploading chronological order.
3. The method of claim 1 or 2, wherein the second period is several times the first period.
4. The device log storage method according to claim 1, wherein the temporary storage area is provided inside the device and is configured to store log data generated by the device in the first period.
5. The device log storage method according to claim 1 or 4, wherein the first period is one operation period of the device.
6. The method according to claim 1, wherein log data generated by the device in the first period is stored in a temporary storage area in real time.
7. The device log storage method according to claim 1, wherein after the simplified status log and the failure log are uploaded to the permanent storage area according to the first cycle, the log data in the temporary storage area is deleted.
8. The method according to claim 1, wherein a storage time limit of the log processing result in the persistent storage area is indefinite.
9. The method for storing the device log according to claim 1, wherein the identifying, classifying and statistically processing the log data in the persistent storage area comprises:
counting the state change trend of the equipment according to the self-checking result of the equipment in the simplified state log, and identifying the equipment in an abnormal state;
aiming at the equipment in the abnormal state, identifying alarm information according to the fault log, and classifying and accumulating the alarm information; the alarm information comprises an alarm grade, an alarm reason and alarm times.
10. A method for reading a track traffic equipment log, wherein the equipment log is stored according to the storage method of any one of claims 1 to 9, the method for reading the equipment log comprises the following steps:
reading the log data stored in the temporary storage area when performing first-line maintenance;
when the two-wire maintenance is carried out, reading the simplified state log and the log processing result stored in the permanent storage area;
and when major repair is carried out, reading the log processing result stored in the permanent storage area.
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