CN117235664A - Fault diagnosis method and system for power distribution communication equipment and computer equipment - Google Patents
Fault diagnosis method and system for power distribution communication equipment and computer equipment Download PDFInfo
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Abstract
The application relates to a fault diagnosis method, a fault diagnosis system and computer equipment for power distribution communication equipment. The method comprises the following steps: performing supervision, evaluation and analysis on to-be-detected data of power distribution communication equipment to obtain a fault risk trend ratio of the power distribution communication equipment; identifying whether the power distribution communication equipment fails according to the failure risk trend ratio; when the power distribution communication equipment fails, basic data of maintenance personnel in a preset distance range of the power distribution communication equipment are collected, maintenance management analysis is conducted on the power distribution communication equipment according to the basic data of the maintenance personnel, a matching evaluation result of the maintenance personnel and the power distribution communication equipment is obtained, and the power distribution communication equipment is maintained according to the matching evaluation result. By adopting the method, the equipment maintenance efficiency can be improved.
Description
Technical Field
The application relates to the technical field of distribution networks, in particular to a fault diagnosis method, a fault diagnosis system and computer equipment for distribution communication equipment.
Background
The power distribution line of the power grid is communicated with household households, a fault diagnosis system is needed when the power distribution line of the power grid has problems, the power grid fault diagnosis system refers to equipment for carrying out test, verification, detection and acceptance on the production and the operation of the power grid, the equipment provides reliable guarantee for the safety and the reliability of the operation of the power grid, and the power grid fault diagnosis system is not only applied to industry, but also can be used in the daily life of the detection of the power grid.
The traditional fault diagnosis and positioning algorithm can not repair fault equipment in time, and has the problem of low repair efficiency.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a fault diagnosis method, system, computer device, computer-readable storage medium, and computer program product for a power distribution communication device that can improve the efficiency of device maintenance.
In a first aspect, the present application provides a fault diagnosis method for a power distribution communication device, the method comprising:
performing supervision, evaluation and analysis on to-be-detected data of the power distribution communication equipment to obtain a fault risk trend ratio of the power distribution communication equipment;
according to the fault risk trend ratio, identifying whether the power distribution communication equipment has faults or not;
When the power distribution communication equipment fails, basic data of each maintainer in a preset distance range of the power distribution communication equipment are collected, maintenance management analysis is carried out on the power distribution communication equipment according to the basic data of each maintainer, a matching evaluation result of each maintainer and the power distribution communication equipment is obtained, and the power distribution communication equipment is maintained according to the matching evaluation result.
In one embodiment, the data to be inspected includes running average voltage, running temperature and line average reactive loss values of the power distribution communication device over a plurality of sub-time periods;
performing supervision, evaluation and analysis on to-be-detected data of the power distribution communication equipment to obtain a fault risk trend ratio of the power distribution communication equipment, wherein the method comprises the following steps:
comparing the running average voltage and the running temperature of each sub-time period in the to-be-detected data of the power distribution communication equipment with a preset running average voltage threshold value and a preset running temperature threshold value respectively, determining a part of the running average voltage exceeding the preset running average voltage threshold value and a part of the running temperature exceeding the preset running temperature threshold value in each sub-time period, and marking the part exceeding the preset running average voltage threshold value and the part exceeding the preset running temperature threshold value as a risk voltage value and an overheat value of each sub-time period respectively;
For each sub-time period, determining a relation according to a risk voltage value and a corresponding risk voltage value coefficient, an overheat value and a corresponding overheat value coefficient, a line average reactive power loss value and a corresponding reactive power loss coefficient, a preset correction coefficient and a preset state evaluation coefficient of the sub-time period, and determining a state evaluation coefficient of power distribution communication equipment in the sub-time period;
and generating a state evaluation coefficient curve of the power distribution communication equipment according to the state evaluation coefficients of the power distribution communication equipment in the plurality of sub-time periods, acquiring the ratio of the ascending sub-time period to the total sub-time period from the state evaluation coefficient curve, and marking the ratio as the fault risk trend ratio of the power distribution communication equipment.
In one embodiment, identifying whether the power distribution communication device is malfunctioning based on the fault risk trend ratio comprises:
comparing the fault risk trend ratio with a preset fault risk trend ratio threshold;
if the fault risk trend ratio is smaller than or equal to a preset fault risk trend ratio threshold value, determining that the power distribution communication equipment does not have faults;
and if the fault risk trend ratio is greater than a preset fault risk trend ratio threshold, determining that the power distribution communication equipment fails.
In one embodiment, the basic data includes a straight line distance, working age, and remaining orders;
performing maintenance management analysis on the power distribution communication equipment according to the basic data of each maintainer, and obtaining a matching evaluation result of each maintainer and the power distribution communication equipment comprises the following steps:
for each maintainer, determining a relation according to the linear distance and the corresponding distance weight of the maintainer, the working age and the corresponding working age weight, the residual order quantity and the corresponding residual order quantity weight and the preset matching evaluation coefficient, and determining the matching evaluation coefficient of the maintainer;
and sequencing the matching evaluation coefficients of the maintenance personnel to obtain the matching evaluation result of each maintenance personnel and the power distribution communication equipment.
In one embodiment, the method further comprises:
when the power distribution communication equipment does not have a fault, collecting operation risk data of the power distribution communication equipment;
and carrying out potential risk analysis on the operation risk data to obtain a prevention signal, and maintaining the power distribution communication equipment according to the prevention signal.
In one embodiment, the operational risk data includes an ambient humidity value of the power distribution communication device and an operational temperature of electrical components within the power distribution communication device over a plurality of sub-time periods;
Performing a potential risk analysis on the operational risk data, the obtaining a preventive signal comprising:
comparing the environmental humidity value of each sub-period in the operation risk data with a preset environmental humidity value threshold, determining a sub-period corresponding to the environmental humidity value greater than the preset environmental humidity value threshold, marking the sub-period as an oxidation period, respectively comparing the environmental dust value, the environmental oxygen content value and the environmental temperature value in the oxidation period with corresponding thresholds, and marking the oxidation period as a risk period and marking the number of the risk period as a risk oxidation value if at least two of the environmental dust value, the environmental oxygen content value and the environmental temperature value are greater than the corresponding thresholds;
comparing the operation temperature of the electric element in the power distribution communication equipment with a preset operation temperature threshold value in each sub-time period in the operation risk data, determining the duration from the starting time to the ending time when the operation temperature is greater than the preset operation temperature threshold value, marking the duration as heating duration, and marking the part of the heating duration exceeding the preset safety duration as a risk duration value;
acquiring state evaluation coefficients of the power distribution communication equipment in a plurality of sub-time periods, and determining an average state evaluation coefficient of the power distribution communication equipment according to the state evaluation coefficients of the power distribution communication equipment in the plurality of sub-time periods;
Determining a relation according to the risk oxidation value and the corresponding risk oxidation weight, the risk duration value and the corresponding risk duration weight, the weight of the average state evaluation coefficient and the corresponding average state evaluation coefficient, a preset compensation factor coefficient and a preset potential fault evaluation probability to obtain the potential fault evaluation probability of the power distribution communication equipment;
and generating a preventive signal when the potential fault evaluation probability is greater than a preset potential fault evaluation probability threshold.
In one embodiment, maintaining the power distribution communication device based on the preventative signal includes:
and marking the power distribution communication equipment corresponding to the preset signal so as to manage the operation rationality of the power distribution communication equipment.
In one embodiment, the method further comprises:
when the power distribution communication equipment fails, acquiring fault characteristic data of the power distribution communication equipment; the fault characteristic data comprise an equipment abnormal sound interval, an equipment infrared thermal imaging characteristic diagram and an equipment fault circuit diagram;
comparing the abnormal sound interval of the equipment, the infrared thermal imaging characteristic diagram of the equipment and the equipment fault circuit diagram with a historical fault diagnosis list to obtain a historical fault diagnosis list with highest similarity, and determining the historical fault diagnosis list as a target diagnosis list;
And maintaining the power distribution communication equipment according to the matching evaluation result and the target diagnosis list.
In a second aspect, the present application also provides a fault diagnosis system for a power distribution communication device, the system including a fault evaluation analysis unit and a maintenance management unit; the system comprises:
the fault evaluation analysis unit is used for performing supervision evaluation analysis on to-be-detected data of the power distribution communication equipment to obtain a fault risk trend ratio of the power distribution communication equipment; according to the fault risk trend ratio, identifying whether the power distribution communication equipment has faults or not;
and the maintenance management unit is used for carrying out maintenance management analysis on the power distribution communication equipment when the power distribution communication equipment fails, obtaining the matching evaluation result of each maintainer and the power distribution communication equipment within the preset distance range of the power distribution communication equipment, and carrying out maintenance on the power distribution communication equipment according to the matching evaluation result.
In a third aspect, the present application also provides a computer device comprising a memory and a processor, the memory storing a computer program, the processor implementing the following steps when executing the computer program:
performing supervision, evaluation and analysis on to-be-detected data of the power distribution communication equipment to obtain a fault risk trend ratio of the power distribution communication equipment;
According to the fault risk trend ratio, identifying whether the power distribution communication equipment has faults or not;
when the power distribution communication equipment fails, basic data of each maintainer in a preset distance range of the power distribution communication equipment are collected, maintenance management analysis is carried out on the power distribution communication equipment according to the basic data of each maintainer, a matching evaluation result of each maintainer and the power distribution communication equipment is obtained, and the power distribution communication equipment is maintained according to the matching evaluation result.
In a fourth aspect, the present application also provides a computer readable storage medium having stored thereon a computer program which when executed by a processor performs the steps of:
performing supervision, evaluation and analysis on to-be-detected data of the power distribution communication equipment to obtain a fault risk trend ratio of the power distribution communication equipment;
according to the fault risk trend ratio, identifying whether the power distribution communication equipment has faults or not;
when the power distribution communication equipment fails, basic data of each maintainer in a preset distance range of the power distribution communication equipment are collected, maintenance management analysis is carried out on the power distribution communication equipment according to the basic data of each maintainer, a matching evaluation result of each maintainer and the power distribution communication equipment is obtained, and the power distribution communication equipment is maintained according to the matching evaluation result.
In a fifth aspect, the application also provides a computer program product comprising a computer program which, when executed by a processor, performs the steps of:
performing supervision, evaluation and analysis on to-be-detected data of the power distribution communication equipment to obtain a fault risk trend ratio of the power distribution communication equipment;
according to the fault risk trend ratio, identifying whether the power distribution communication equipment has faults or not;
when the power distribution communication equipment fails, basic data of each maintainer in a preset distance range of the power distribution communication equipment are collected, maintenance management analysis is carried out on the power distribution communication equipment according to the basic data of each maintainer, a matching evaluation result of each maintainer and the power distribution communication equipment is obtained, and the power distribution communication equipment is maintained according to the matching evaluation result.
According to the fault diagnosis method, system, computer equipment, storage medium and computer program product of the power distribution communication equipment, whether the power distribution communication equipment is faulty or not is judged by collecting data to be detected of the power distribution communication equipment and performing supervision, evaluation and analysis, and maintenance management and analysis are performed on the faulty power distribution communication equipment so as to reasonably match the power distribution communication equipment with maintenance personnel, so that the maintenance efficiency and timeliness of the power distribution communication equipment are improved, and meanwhile, the power distribution communication equipment is reasonably positioned and maintained, and further the equipment fault maintenance efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the related art, the drawings that are required to be used in the embodiments or the related technical descriptions will be briefly described, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.
FIG. 1 is an application environment diagram of a fault diagnosis method for a power distribution communication device in one embodiment;
FIG. 2 is a flow diagram of a method of fault diagnosis of a power distribution communication device in one embodiment;
FIG. 3 is a flow diagram of performing a supervisory evaluation analysis on data to be inspected of a power distribution communication device in one embodiment;
FIG. 4 is a flow diagram of a maintenance management analysis of a power distribution communication device based on basic data of maintenance personnel in one embodiment;
FIG. 5 is a flow diagram of a risk potential analysis in one embodiment;
FIG. 6 is a flow chart of a method of fault diagnosis of a power distribution communication device in another embodiment;
FIG. 7 is a block diagram of a fault diagnosis system for a power distribution communication device in one embodiment;
Fig. 8 is an internal structural diagram of a computer device in one embodiment.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
The fault diagnosis method of the power distribution communication equipment provided by the embodiment of the application can be applied to an application environment shown in figure 1. Wherein the terminal 102 communicates with the server 104 via a network. The data storage system may store data that the server 104 needs to process. The data storage system may be integrated on the server 104 or may be located on a cloud or other network server. When the server 104 generates a pipe instruction, the pipe instruction is sent to the terminal 102. The terminal 102 immediately collects data to be detected of the power distribution communication equipment after receiving the management instruction, carries out supervision, evaluation and analysis on the data to be detected of the power distribution communication equipment to obtain a fault risk trend ratio of the power distribution communication equipment, so that whether the power distribution communication equipment breaks down or not is identified according to the fault risk trend ratio, when the power distribution communication equipment breaks down, basic data of maintenance personnel in a preset distance range of the power distribution communication equipment are collected, maintenance management analysis is carried out on the power distribution communication equipment according to the basic data of the maintenance personnel, a matching evaluation result of the maintenance personnel and the power distribution communication equipment is obtained, and the power distribution communication equipment is maintained according to the matching evaluation result. The terminal 102 may be, but is not limited to, various personal computers, notebook computers, smart phones, tablet computers, and internet of things devices. The server 104 may be implemented as a stand-alone server or as a server cluster of multiple servers.
In an exemplary embodiment, as shown in fig. 2, a fault diagnosis method of a power distribution communication device is provided, and an example of application of the method to the terminal in fig. 1 is described, including the following steps 202 to 206. Wherein:
and 202, performing supervision, evaluation and analysis on to-be-detected data of the power distribution communication equipment to obtain a fault risk trend ratio of the power distribution communication equipment.
Wherein power distribution communication devices refer to devices for communication and data transmission in a power distribution system. The data to be detected refers to equipment operation data which needs fault location diagnosis. The failure risk trend ratio (Fault Risk Trend Ratio) is an index for evaluating the failure occurrence trend of the device, and is used for predicting and analyzing the reliability and failure probability of the device.
Optionally, the terminal receives a management instruction sent by the server, where the management instruction is used to instruct the terminal to perform fault diagnosis on the power distribution communication device. And the terminal acquires the data to be detected of the power distribution communication equipment according to the management instruction. The data to be tested may include, among other things, an operating average voltage, an operating temperature, and an average reactive loss value of the line of the power distribution communication device. And performing supervision, evaluation and analysis on the running average voltage, the running temperature and the line average reactive power loss value in the data to be detected to obtain the fault risk trend ratio of the power distribution communication equipment.
And step 204, identifying whether the power distribution communication equipment fails according to the failure risk trend ratio.
And comparing the fault risk trend ratio with a preset fault risk trend ratio threshold, and if the fault risk trend ratio is larger than the preset fault risk trend ratio threshold, determining that the power distribution communication equipment fails, wherein a fault signal can be generated at the moment. The terminal can perform maintenance management on the corresponding power distribution communication equipment based on the fault signal.
And 206, collecting basic data of each maintainer in a preset distance range of the power distribution communication equipment when the power distribution communication equipment fails, carrying out maintenance management analysis on the power distribution communication equipment according to the basic data of each maintainer to obtain a matching evaluation result of each maintainer and the power distribution communication equipment, and carrying out maintenance on the power distribution communication equipment according to the matching evaluation result.
The preset distance range of the power distribution communication equipment refers to a range of the power distribution communication equipment circle, wherein the power distribution communication equipment is used as a circle center, and a circle is drawn by using a preset radius R. For example, the radius R is in kilometers. The basic data of each maintainer may include a straight line distance between the maintainer and the distribution communication device, work age, and the remaining amount of orders.
Specifically, the matching evaluation result of each maintainer and the power distribution communication equipment is calculated according to the basic data of each maintainer. And displaying the names of maintenance personnel corresponding to the matching evaluation result so as to select corresponding maintenance personnel to reasonably and timely maintain the fault power distribution communication equipment.
Optionally, the terminal can also perform red marking processing on the power distribution equipment with faults, so that the operation condition of the power distribution communication equipment can be intuitively known, and meanwhile, the location of the power distribution communication equipment can be accurately positioned, so that timely maintenance and management can be performed, and the working efficiency of the power distribution communication equipment is improved.
According to the fault diagnosis method of the power distribution communication equipment, the power distribution communication equipment is judged whether to be faulty by collecting the data to be detected of the power distribution communication equipment and performing supervision evaluation analysis, and the power distribution communication equipment is subjected to maintenance management analysis so as to reasonably match the power distribution communication equipment with maintenance personnel, so that the maintenance efficiency and timeliness of the power distribution communication equipment are improved, and meanwhile, the power distribution communication equipment is reasonably positioned and maintained, so that the equipment fault maintenance efficiency is improved.
In an exemplary embodiment, as shown in fig. 3, step 202, performing a supervisory evaluation analysis on the data to be inspected of the power distribution communication device to obtain a fault risk trend ratio of the power distribution communication device, includes steps 302 to 306. Wherein:
Step 302, comparing the running average voltage and the running temperature of each sub-time period in the to-be-detected data of the power distribution communication equipment with a preset running average voltage threshold value and a preset running temperature threshold value respectively, determining a part of the running average voltage exceeding the preset running average voltage threshold value and a part of the running temperature exceeding the preset running temperature threshold value in each sub-time period, and marking the part exceeding the preset running average voltage threshold value and the part exceeding the preset running temperature threshold value as a risk voltage value and an overheat value of each sub-time period respectively.
Step 304, for each sub-time period, determining a relationship according to the risk voltage value and the corresponding risk voltage value coefficient, the overheat value and the corresponding overheat value coefficient, the line average reactive power loss value and the corresponding reactive power loss coefficient, the preset correction coefficient, and the preset state evaluation coefficient of the sub-time period, and determining the state evaluation coefficient of the power distribution communication equipment in the sub-time period.
And 306, generating a state evaluation coefficient curve of the power distribution communication equipment according to the state evaluation coefficients of the power distribution communication equipment in the plurality of sub-time periods, acquiring the ratio of the ascending sub-time period to the total sub-time period from the state evaluation coefficient curve, and marking the ratio as a fault risk trend ratio of the power distribution communication equipment.
The data to be detected comprises running average voltage, running temperature and line average reactive power loss values of the power distribution communication equipment in a plurality of sub-time periods.
Specifically, a time length from the starting operation time to the ending operation time of the power distribution communication equipment is collected, the time length is marked as a time threshold, the time threshold is divided into o sub-time periods, and o is a natural number larger than zero. And acquiring the running average voltage and the running temperature of the power distribution communication equipment in each sub-time period, and respectively comparing the running average voltage and the running temperature with a preset running average voltage threshold value and a preset running temperature threshold value for analysis. If the running average voltage is larger than the preset running average voltage threshold value and the running temperature is larger than the preset running temperature threshold value, respectively acquiring a part of the running average voltage exceeding the preset running average voltage threshold value and a part of the running temperature exceeding the preset running temperature threshold value, respectively marking the part exceeding the preset running average voltage threshold value and the part exceeding the preset running temperature threshold value as a risk voltage value and an overheat value, respectively marking the parts as FYo and GRo, and simultaneously acquiring the average reactive power loss value of the circuit in the power distribution communication equipment in each sub-time period, and marking the parts as PSo.
The preset state evaluation coefficient determination relation is obtained as follows:
wherein Zo is a state evaluation coefficient of the power distribution communication equipment in each sub-time period; a1, a2 and a3 are preset scale factor coefficients of a risk voltage value, a superheat value and a line average reactive power loss value respectively, namely the risk voltage value coefficient, the superheat value coefficient and the reactive power loss coefficient, wherein the scale factor coefficients are positive numbers larger than zero, and the scale factor coefficients are used for correcting deviation of various parameters in the formula calculation process, so that the calculation result is more accurate; a4 is a preset correction coefficient, for example, the value can be 1.286.
Calculating state evaluation coefficients of the power distribution communication equipment in each sub-time period according to the formula, constructing a set A of the state evaluation coefficients Zo according to the state evaluation coefficients, establishing a rectangular coordinate system by taking time as an X axis and taking the state evaluation coefficients as a Y axis, drawing a state evaluation coefficient curve in a dot drawing mode, acquiring a ratio between the ascending sub-time period and the total sub-time period from the state evaluation coefficient curve, and marking the ratio as a fault risk trend ratio.
In the embodiment, the risk voltage value, the overheat value and the average reactive power loss value of the line are evaluated and analyzed in three maintenance aspects, so that the accuracy of an analysis result can be improved. Through the scaling factor coefficient and the preset correction coefficient corresponding to each data, the deviation of each parameter in the formula calculation process can be corrected, so that the calculation result is more accurate.
In one exemplary embodiment, identifying whether the power distribution communication device is malfunctioning based on the fault risk trend ratio comprises: comparing the fault risk trend ratio with a preset fault risk trend ratio threshold; if the fault risk trend ratio is smaller than or equal to a preset fault risk trend ratio threshold value, determining that the power distribution communication equipment does not have faults; and if the fault risk trend ratio is greater than a preset fault risk trend ratio threshold, determining that the power distribution communication equipment fails.
The fault risk trend ratio may be represented by a GP, and the fault risk trend ratio GP is compared with a preset fault risk trend ratio threshold for analysis, and if the fault risk trend ratio GP is less than or equal to the preset fault risk trend ratio threshold, it is determined that the power distribution communication device is not faulty, an evaluation signal is generated, and potential risk analysis is performed based on the evaluation signal. If the fault risk trend ratio GP is larger than a preset fault risk trend ratio threshold, determining that the power distribution communication equipment fails, generating a fault signal, immediately marking the power distribution communication equipment corresponding to the fault signal with red, further helping to intuitively understand the operation condition of the power distribution communication equipment, and simultaneously accurately positioning the place of the power distribution communication equipment so as to timely maintain and manage and improve the working efficiency of the power distribution communication equipment.
In the embodiment, by setting the preset fault risk trend ratio threshold, the fault risk trend ratio is compared with the preset fault risk trend ratio threshold, so that the fault equipment can be rapidly identified, and the fault diagnosis efficiency of the equipment is improved.
In an exemplary embodiment, as shown in fig. 4, performing maintenance management analysis on the power distribution communication device according to basic data of each maintainer, and obtaining a matching evaluation result of each maintainer and the power distribution communication device includes steps 402 to 404, where:
step 402, for each maintainer, determining a relation according to the linear distance and the corresponding distance weight, the working age and the corresponding working age weight, the residual order number and the corresponding residual order number weight of the maintainer, and the preset matching evaluation coefficient, and determining the matching evaluation coefficient of the maintainer.
And step 404, sorting the matching evaluation coefficients of the maintenance personnel to obtain the matching evaluation result of each maintenance personnel and the power distribution communication equipment.
Wherein, the basic data comprises a straight line distance, working age and the rest of orders. The linear distance refers to the linear distance between the maintenance personnel and the power distribution communication device.
Optionally, the power distribution communication equipment corresponding to the fault signal is used as a circle center, a circle is drawn with a preset radius R, the unit of the radius R is kilometers, basic data of each maintainer in the circle of the power distribution communication equipment are collected, the basic data comprise a straight line distance, working age and residual orders, and the straight line distance, the working age and the residual orders are respectively marked as ZX, GG and SD.
The preset matching evaluation coefficient determination relation is obtained, and the method comprises the following steps:
wherein P is a matching evaluation coefficient of each maintainer; b1, b2 and b3 are preset weight coefficients of straight line distance, residual amount of orders and working age respectively, namely distance weight, residual amount of orders weight and working age weight, and b1, b2 and b3 are positive numbers larger than zero.
And sequencing the matching evaluation coefficients P of the maintenance personnel according to the sequence from large to small to obtain the matching evaluation result of each maintenance personnel and the power distribution communication equipment. And displaying the names of maintenance personnel corresponding to the sequenced matching evaluation coefficients P on the power distribution communication equipment corresponding to the fault signals so as to reasonably and timely maintain the power distribution communication equipment corresponding to the fault signals.
In this embodiment, the matching evaluation coefficient of the maintainer is determined by the plurality of dimensional data such as the linear distance and the corresponding distance weight, the working age and the corresponding working age weight, the remaining amount of orders and the corresponding remaining amount of orders weight of the maintainer, and the matching evaluation coefficient is processed side by side, so that the maintainer can be accurately matched for the fault equipment.
In an exemplary embodiment, as shown in fig. 5, the method further comprises: a step of risk potential analysis, the step comprising:
step 502, collecting operation risk data of the power distribution communication equipment when the power distribution communication equipment does not fail.
And 504, performing potential risk analysis on the operation risk data to obtain a preventive signal, and maintaining the power distribution communication equipment according to the preventive signal.
The operation risk data of the power distribution communication equipment comprise an environment humidity value and an operation temperature of an electric element in the equipment, and particularly comprise the environment humidity value and the operation temperature of the electric element in the power distribution communication equipment in a plurality of sub-time periods.
Specifically, according to the environmental humidity value of each sub-time period in the operation risk data, determining a risk time period, and marking the number of the risk time periods as a risk oxidation value. And determining a risk duration value according to the operation temperature of the electric element in each sub-time period in the operation risk data. And obtaining the potential fault evaluation probability Q of the power distribution communication equipment according to the risk oxidation value, the risk duration value and the state evaluation coefficient. And generating a preventive signal when the potential fault evaluation probability Q is larger than a preset potential fault evaluation probability threshold value. If the potential failure evaluation probability Q is smaller than or equal to the preset potential failure evaluation probability threshold value, no signal is generated.
Further, maintaining the power distribution communication device according to the preventative signal includes: and marking the power distribution communication equipment corresponding to the preset signal, such as yellow marking, so as to manage the operation rationality of the power distribution communication equipment, and reduce the fault rate of the power distribution communication equipment.
In this embodiment, potential impact analysis is performed on normal power distribution communication equipment according to operation risk data, so as to determine potential fault risk conditions of the equipment, help to manage and control operation rationality of the power distribution communication equipment, reduce fault rate of the power distribution communication equipment, and perform information feedback in a marked manner, so as to perform maintenance management timely.
In an alternative to the above embodiment, performing a risk potential analysis on the operational risk data, obtaining the preventive signal includes: comparing the environmental humidity value of each sub-period in the operation risk data with a preset environmental humidity value threshold, determining a sub-period corresponding to the environmental humidity value greater than the preset environmental humidity value threshold, marking the sub-period as an oxidation period, respectively comparing the environmental dust value, the environmental oxygen content value and the environmental temperature value in the oxidation period with corresponding thresholds, and marking the oxidation period as a risk period and marking the number of the risk period as a risk oxidation value if at least two of the environmental dust value, the environmental oxygen content value and the environmental temperature value are greater than the corresponding thresholds; comparing the operation temperature of the electric element in the power distribution communication equipment with a preset operation temperature threshold value in each sub-time period in the operation risk data, determining the duration from the starting time to the ending time when the operation temperature is greater than the preset operation temperature threshold value, marking the duration as heating duration, and marking the part of the heating duration exceeding the preset safety duration as a risk duration value; acquiring state evaluation coefficients of the power distribution communication equipment in a plurality of sub-time periods, and determining an average state evaluation coefficient of the power distribution communication equipment according to the state evaluation coefficients of the power distribution communication equipment in the plurality of sub-time periods; determining a relation according to the risk oxidation value and the corresponding risk oxidation weight, the risk duration value and the corresponding risk duration weight, the weight of the average state evaluation coefficient and the corresponding average state evaluation coefficient, a preset compensation factor coefficient and a preset potential fault evaluation probability to obtain the potential fault evaluation probability of the power distribution communication equipment; and generating a preventive signal when the potential fault evaluation probability is greater than a preset potential fault evaluation probability threshold.
And comparing and analyzing the environmental humidity value of the power distribution communication equipment in each sub-time period with a preset environmental humidity value threshold, and if the environmental humidity value is larger than the preset environmental humidity value threshold, simultaneously acquiring a sub-time period corresponding to the environmental humidity value larger than the preset environmental humidity value threshold, and marking the sub-time period as an oxidation time period.
Obtaining an environmental dust value, an environmental oxygen content value and an environmental temperature value in an oxidation time period, comparing the environmental dust value, the environmental oxygen content value and the environmental temperature value in the oxidation time period with corresponding thresholds, and if at least two of the environmental dust value, the environmental oxygen content value and the environmental temperature value are larger than the corresponding thresholds, marking the corresponding intermediate section as a risk section, obtaining the total number of risk sections, and marking the total number as a risk oxidation value YH, wherein YH E o.
Acquiring the operation temperature of an electric element in the power distribution communication equipment in the time threshold, comparing the operation temperature of the electric element with a preset operation temperature threshold, and if the operation temperature is larger than the preset operation temperature threshold, acquiring the time length from the starting time to the ending time of the operation temperature which is larger than the preset operation temperature, and marking the time length as the heating time length. And further, acquiring a part of the heating time period exceeding the preset safety time period, and marking the part of the heating time period exceeding the preset safety time period as a risk time period value FC. The larger the value of the risk duration value FC, the larger the risk of the electrical component failure, and the larger the risk of the device failure.
And calling the set A of state evaluation coefficients Zo from the fault evaluation analysis unit to acquire the average state evaluation coefficient PZ of the power distribution communication equipment.
The preset potential fault evaluation probability determination relation is obtained as follows:
wherein Q is a potential fault evaluation probability, α, β and ε are weighting factor coefficients of a risk oxidation value, a risk duration value and an average state evaluation coefficient, respectively, that is, the risk oxidation weight, the risk duration weight and the weight of the average state evaluation coefficient, φ is a preset compensation factor coefficient, and α, β, ε and φ are positive numbers greater than zero, for example, α+β+ε=4.326.
Comparing the potential fault evaluation probability Q with a preset potential fault evaluation probability threshold value for analysis, and generating a prevention signal if the potential fault evaluation probability Q is larger than the preset potential fault evaluation probability threshold value.
In the embodiment, potential influence analysis is performed on the power distribution communication equipment through the risk oxidation value, the risk duration value and the average state evaluation coefficient, so that potential fault risk conditions of the equipment can be accurately judged.
In an exemplary embodiment, the method further comprises: when the power distribution communication equipment fails, acquiring fault characteristic data of the power distribution communication equipment; the fault characteristic data comprise an equipment abnormal sound interval, an equipment infrared thermal imaging characteristic diagram and an equipment fault circuit diagram; comparing the abnormal sound interval of the equipment, the infrared thermal imaging characteristic diagram of the equipment and the equipment fault circuit diagram with a historical fault diagnosis list to obtain a historical fault diagnosis list with highest similarity, and determining the historical fault diagnosis list as a target diagnosis list; and maintaining the power distribution communication equipment according to the matching evaluation result and the target diagnosis list.
Specifically, the time length of a period of time after the power distribution communication equipment corresponding to the fault signal is failed is obtained and is marked as analysis time length, the analysis time length is divided into k sub-time nodes, and k is a natural number larger than zero. Acquiring abnormal sound values of equipment in each sub-time node, constructing a set B of the abnormal sound values of the equipment, acquiring a maximum subset and a minimum subset in the set B, marking the maximum subset and the minimum subset as abnormal sound intervals, simultaneously acquiring an infrared thermal imaging characteristic diagram of the equipment in analysis duration, and simultaneously acquiring a fault circuit diagram of the equipment in the analysis duration. And comparing and analyzing the abnormal sound interval, the equipment infrared thermal imaging characteristic diagram and the fault circuit diagram with the historical fault diagnosis list, obtaining the historical fault list with the highest similarity, marking the historical fault list as a target diagnosis list, and maintaining and managing the power distribution communication equipment based on the target diagnosis list and the matching evaluation result.
In this embodiment, according to the result of the integrated analysis of the fault feature data of the power distribution communication device, the fault type of the device can be matched, and the power distribution communication device is positioned and maintained by matching the power distribution communication device with a maintainer, so that the device fault maintenance efficiency is improved by combining the result of the integrated analysis of the fault feature data.
It should be noted that, the size of the threshold in the present application is set for convenience of comparison, and the size of the threshold depends on the number of sample data and the number of cardinalities set for each group of sample data by a person skilled in the art; as long as the proportional relation between the parameter and the quantized value is not affected. The formulas are all formulas obtained by collecting a large amount of data for software simulation and are selected to be close to the true value, and coefficients in the formulas can be set by a person skilled in the art according to actual conditions.
In another embodiment, as shown in fig. 6, a fault diagnosis method of a power distribution communication device is provided, the method including steps 602 to 610, wherein:
and step 602, performing supervision, evaluation and analysis on to-be-detected data of the power distribution communication equipment to obtain a fault risk trend ratio of the power distribution communication equipment.
Step 604, comparing the fault risk trend ratio with a preset fault risk trend ratio threshold, and if the fault risk trend ratio is greater than the preset fault risk trend ratio threshold, determining that the power distribution communication equipment fails; and if the fault risk trend ratio is smaller than or equal to a preset fault risk trend ratio threshold value, determining that the power distribution communication equipment does not have faults. When the power distribution communication device fails, performing steps 606 and 608; when the power distribution communication device has not failed, step 610 is performed.
Step 606, maintenance assessment analysis: basic data of each maintainer in a preset distance range of the power distribution communication equipment are collected, maintenance management analysis is conducted on the power distribution communication equipment according to the basic data of each maintainer, matching evaluation results of each maintainer and the power distribution communication equipment are obtained, and the power distribution communication equipment is maintained according to the matching evaluation results.
Step 608, performing an integration analysis on the fault signature data: acquiring fault characteristic data of power distribution communication equipment; the fault characteristic data comprise an equipment abnormal sound interval, an equipment infrared thermal imaging characteristic diagram and an equipment fault circuit diagram; comparing the abnormal sound interval of the equipment, the infrared thermal imaging characteristic diagram of the equipment and the equipment fault circuit diagram with a historical fault diagnosis list to obtain a historical fault diagnosis list with highest similarity, and determining the historical fault diagnosis list as a target diagnosis list; and maintaining the power distribution communication equipment according to the matching evaluation result and the target diagnosis list.
Step 610, collecting operational risk data of the power distribution communication device; and carrying out potential risk analysis on the operation risk data to obtain a prevention signal, and maintaining the power distribution communication equipment according to the prevention signal.
In this embodiment, through collecting the data of waiting of equipment and carrying out supervision evaluation analysis to judge whether distribution communication equipment breaks down, and carry out latent influence analysis to normal distribution communication equipment, help managing and controlling distribution communication equipment's operation rationality, reduce distribution communication equipment's fault rate, and carry out information feedback through the mode of mark, so that timely maintenance management, and carry out maintenance management analysis to distribution communication equipment of trouble, so that reasonable match distribution communication equipment and maintainer, improve distribution communication equipment's maintenance high efficiency and timeliness, simultaneously reasonable location maintenance is carried out distribution communication equipment, and combine distribution communication equipment's fault feature data's integration analysis result, thereby improve equipment fault maintenance efficiency.
It should be understood that, although the steps in the flowcharts related to the embodiments described above are sequentially shown as indicated by arrows, these steps are not necessarily sequentially performed in the order indicated by the arrows. The steps are not strictly limited to the order of execution unless explicitly recited herein, and the steps may be executed in other orders. Moreover, at least some of the steps in the flowcharts described in the above embodiments may include a plurality of steps or a plurality of stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of the steps or stages is not necessarily performed sequentially, but may be performed alternately or alternately with at least some of the other steps or stages.
Based on the same inventive concept, the embodiment of the application also provides a fault diagnosis system of the power distribution communication equipment for realizing the fault diagnosis method of the power distribution communication equipment. The implementation of the solution provided by the system is similar to the implementation described in the above method, so the specific limitation in the embodiments of the fault diagnosis system for one or more power distribution communication devices provided below may be referred to the limitation of the fault diagnosis method for the power distribution communication device hereinabove, and will not be repeated herein.
In an exemplary embodiment, as shown in fig. 7, a fault diagnosis system of a power distribution communication device is provided, which includes a server 702, a fault evaluation analysis unit 704, a risk probability analysis unit 706, an early warning display unit 708, a maintenance management unit 710, and a feedback analysis unit 712, where the server 702 is connected in bidirectional communication with the fault evaluation analysis unit 704, the server 702 is connected in unidirectional communication with the risk probability analysis unit 706, the risk probability analysis unit 706 is connected in unidirectional communication with the early warning display unit 708, the fault evaluation analysis unit 704 is connected in unidirectional communication with both the early warning display unit 708 and the feedback analysis unit 712, the fault evaluation analysis unit 704 is connected in bidirectional communication with the maintenance management unit 710, and the feedback analysis unit 712 is connected in unidirectional communication with the maintenance management unit 710; the system comprises:
The server 702 is configured to generate a pipe instruction, and send the pipe instruction to the fault evaluation analysis unit 704.
The fault evaluation analysis unit 704 is configured to immediately collect to-be-detected data of the power distribution communication device after receiving the pipe transporting instruction, where the to-be-detected data includes an running average voltage, an running temperature and a line average reactive power loss value of the power distribution communication device, and perform supervision evaluation analysis on the to-be-detected data of the power distribution communication device to obtain a fault risk trend ratio of the power distribution communication device; and identifying whether the power distribution communication equipment fails according to the failure risk trend ratio. When the power distribution communication equipment fails, generating a fault signal, and sending the obtained fault signal to an early warning display unit 708, a maintenance management unit 710 and a feedback analysis unit 712; when the power distribution communication device does not fail, an evaluation signal is generated, and the obtained evaluation signal is sent to the risk probability analysis unit 706 through the server 702.
The maintenance management unit 710 is configured to collect basic data of each maintainer within a preset distance range of the power distribution communication device, perform maintenance management analysis on the power distribution communication device according to the basic data of each maintainer, obtain a matching evaluation result of each maintainer and the power distribution communication device, and send the matching evaluation result to the early warning display unit 708 through the fault evaluation analysis unit 704, so that the early warning display unit 708 performs maintenance on the power distribution communication device corresponding to the fault signal according to the matching evaluation result.
And the feedback analysis unit 712 is configured to immediately collect fault feature data of the power distribution communication device corresponding to the fault signal after receiving the fault signal, where the fault feature data includes a device abnormal sound value, a device infrared thermal imaging feature map, and a device fault circuit map, perform integrated analysis on the fault feature data, send an obtained target diagnosis list to the maintenance management unit 710, and send the target disc diagnosis list to the early warning display unit 708 for device maintenance through the maintenance management unit 710 and the fault evaluation analysis unit 704.
The risk probability analysis unit 706 is configured to collect operation risk data of the power distribution communication device after receiving the evaluation signal; and performing potential risk analysis on the operation risk data to obtain a prevention signal, and sending the prevention signal to the early warning display unit 708 so that the early warning display unit 708 maintains the power distribution communication equipment corresponding to the prevention signal.
In one exemplary embodiment, the data to be inspected includes running average voltage, running temperature, and line average reactive loss values of the power distribution communication device over a plurality of sub-time periods;
the fault evaluation analysis unit 704 is further configured to compare the running average voltage and the running temperature of each sub-period in the to-be-detected data of the power distribution communication device with a preset running average voltage threshold and a preset running temperature threshold, determine a portion of the running average voltage exceeding the preset running average voltage threshold and a portion of the running temperature exceeding the preset running temperature threshold in each sub-period, and mark the portion as a risk voltage value and an overheat value of each sub-period; for each sub-time period, determining a relation according to a risk voltage value and a corresponding risk voltage value coefficient, an overheat value and a corresponding overheat value coefficient, a line average reactive power loss value and a corresponding reactive power loss coefficient, a preset correction coefficient and a preset state evaluation coefficient of the sub-time period, and determining a state evaluation coefficient of power distribution communication equipment in the sub-time period; and generating a state evaluation coefficient curve of the power distribution communication equipment according to the state evaluation coefficients of the power distribution communication equipment in a plurality of sub-time periods, acquiring the ratio of the ascending sub-time period to the total sub-time period from the state evaluation coefficient curve, and marking the ratio as the fault risk trend ratio of the power distribution communication equipment.
In an exemplary embodiment, the fault evaluation analysis unit 704 is further configured to compare the fault risk trend ratio with a preset fault risk trend ratio threshold; if the fault risk trend ratio is smaller than or equal to the preset fault risk trend ratio threshold, determining that the power distribution communication equipment does not have faults; and if the fault risk trend ratio is greater than the preset fault risk trend ratio threshold, determining that the power distribution communication equipment fails.
In one exemplary embodiment, the basic data includes a straight line distance, a work age, and a remaining amount of orders;
the maintenance management unit 710 is further configured to determine, for each maintainer, a relationship according to a linear distance and a corresponding distance weight of the maintainer, a working age and a corresponding working age weight, a remaining order number and a corresponding remaining order number weight, and a preset matching evaluation coefficient, and determine a matching evaluation coefficient of the maintainer; sequencing the matching evaluation coefficients of a plurality of maintenance personnel to obtain the matching evaluation result of each maintenance personnel and the power distribution communication equipment; and the matching evaluation result is sent to the early warning display unit 708 through the fault evaluation analysis unit 704, and the early warning display unit 708 immediately displays the names of maintenance personnel corresponding to the ordered matching evaluation coefficients on the power distribution communication equipment corresponding to the fault signals after receiving the ordered matching evaluation coefficients, so that the power distribution communication equipment corresponding to the fault signals can be maintained reasonably and timely.
In one exemplary embodiment, the operational risk data includes an ambient humidity value of the power distribution communication device and an operational temperature of electrical components within the power distribution communication device over a plurality of sub-time periods;
the risk probability analysis unit 706 is further configured to compare the environmental humidity value of each sub-period in the operation risk data with a preset environmental humidity value threshold, determine that the environmental humidity value is greater than a sub-period corresponding to the preset environmental humidity value threshold, mark the sub-period as an oxidation period, compare the environmental dust value, the environmental oxygen content value, and the environmental temperature value in the oxidation period with corresponding thresholds respectively, and if at least two of the environmental dust value, the environmental oxygen content value, and the environmental temperature value are greater than the corresponding thresholds, mark the oxidation period as a risk period, and mark the number of the risk periods as a risk oxidation value; comparing the operation temperature of the electric element in the power distribution communication equipment with a preset operation temperature threshold value in each sub-time period in the operation risk data, determining the duration from the starting time to the ending time when the operation temperature is greater than the preset operation temperature threshold value, marking the duration as heating duration, and marking the part of the heating duration exceeding the preset safety duration as a risk duration value; acquiring state evaluation coefficients of the power distribution communication equipment in a plurality of sub-time periods, and determining an average state evaluation coefficient of the power distribution communication equipment according to the state evaluation coefficients of the power distribution communication equipment in the plurality of sub-time periods; determining a relation according to the risk oxidation value and the corresponding risk oxidation weight, the risk duration value and the corresponding risk duration weight, the weight of the average state evaluation coefficient and the corresponding average state evaluation coefficient, a preset compensation factor coefficient and a preset potential fault evaluation probability to obtain the potential fault evaluation probability of the power distribution communication equipment; and generating a preventive signal when the potential fault evaluation probability is larger than a preset potential fault evaluation probability threshold value.
In an exemplary embodiment, the early warning display unit 708 is configured to receive the preventive signal sent by the risk probability analysis unit 706, and mark a power distribution communication device corresponding to the preset signal, so as to manage operational reasonability of the power distribution communication device.
In an exemplary embodiment, the feedback analysis unit 712 is further configured to obtain fault signature data of the power distribution communication device; the fault characteristic data comprise an equipment abnormal sound interval, an equipment infrared thermal imaging characteristic diagram and an equipment fault circuit diagram; comparing the abnormal sound interval of the equipment, the infrared thermal imaging characteristic diagram of the equipment and the equipment fault circuit diagram with a historical fault diagnosis list to obtain a historical fault diagnosis list with highest similarity, and determining the historical fault diagnosis list as a target diagnosis list; the obtained target diagnosis list is sent to a maintenance management unit 710, and the maintenance management unit 710 sends the target diagnosis list to an early warning display unit 708 through a fault evaluation analysis unit 704, so that the early warning display unit 708 maintains the power distribution communication equipment according to the matching evaluation result and the target diagnosis list.
The respective units in the fault diagnosis system of the power distribution communication apparatus described above may be implemented in whole or in part by software, hardware, and combinations thereof. The units can be embedded in hardware or independent of a processor in the computer equipment, and can also be stored in a memory in the computer equipment in a software mode, so that the processor can call and execute the operations corresponding to the units.
In an exemplary embodiment, a computer device, which may be a terminal, is provided, and an internal structure thereof may be as shown in fig. 8. The computer device includes a processor, a memory, an input/output interface, a communication interface, a display unit, and an input system. The processor, the memory and the input/output interface are connected through a system bus, and the communication interface, the display unit and the input system are connected to the system bus through the input/output interface. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media. The input/output interface of the computer device is used to exchange information between the processor and the external device. The communication interface of the computer device is used for carrying out wired or wireless communication with an external terminal, and the wireless mode can be realized through WIFI, a mobile cellular network, NFC (near field communication) or other technologies. The computer program, when executed by a processor, implements a method of fault diagnosis of a power distribution communication device. The display unit of the computer device is used for forming a visual picture, and can be a display screen, a projection system or a virtual reality imaging system. The display screen can be a liquid crystal display screen or an electronic ink display screen, and the input system of the computer equipment can be a touch layer covered on the display screen, can also be keys, a track ball or a touch pad arranged on the shell of the computer equipment, and can also be an external keyboard, a touch pad or a mouse and the like.
It will be appreciated by those skilled in the art that the structure shown in FIG. 8 is merely a block diagram of some of the structures associated with the present inventive arrangements and is not limiting of the computer device to which the present inventive arrangements may be applied, and that a particular computer device may include more or fewer components than shown, or may combine some of the components, or have a different arrangement of components.
In one embodiment, a computer device is provided, comprising a memory and a processor, the memory having stored therein a computer program, the processor implementing the steps of the method embodiments described above when the computer program is executed.
In one embodiment, a computer-readable storage medium is provided, on which a computer program is stored which, when executed by a processor, implements the steps of the method embodiments described above.
In an embodiment, a computer program product is provided, comprising a computer program which, when executed by a processor, implements the steps of the method embodiments described above.
It should be noted that, the user information (including but not limited to user equipment information, user personal information, etc.) and the data (including but not limited to data for analysis, stored data, presented data, etc.) related to the present application are both information and data authorized by the user or sufficiently authorized by each party, and the collection, use and processing of the related data are required to meet the related regulations.
Those skilled in the art will appreciate that implementing all or part of the above described methods may be accomplished by way of a computer program stored on a non-transitory computer readable storage medium, which when executed, may comprise the steps of the embodiments of the methods described above. Any reference to memory, database, or other medium used in embodiments provided herein may include at least one of non-volatile and volatile memory. The nonvolatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical Memory, high density embedded nonvolatile Memory, resistive random access Memory (ReRAM), magnetic random access Memory (Magnetoresistive Random Access Memory, MRAM), ferroelectric Memory (Ferroelectric Random Access Memory, FRAM), phase change Memory (Phase Change Memory, PCM), graphene Memory, and the like. Volatile memory can include random access memory (Random Access Memory, RAM) or external cache memory, and the like. By way of illustration, and not limitation, RAM can be in the form of a variety of forms, such as static random access memory (Static Random Access Memory, SRAM) or dynamic random access memory (Dynamic Random Access Memory, DRAM), and the like. The databases referred to in the embodiments provided herein may include at least one of a relational database and a non-relational database. The non-relational database may include, but is not limited to, a blockchain-based distributed database, and the like. The processor referred to in the embodiments provided in the present application may be a general-purpose processor, a central processing unit, a graphics processor, a digital signal processor, a programmable logic unit, a data processing logic unit based on quantum computing, or the like, but is not limited thereto.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the application and are described in detail herein without thereby limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of the application should be assessed as that of the appended claims.
Claims (10)
1. A method of fault diagnosis of a power distribution communication device, the method comprising:
performing supervision, evaluation and analysis on to-be-detected data of power distribution communication equipment to obtain a fault risk trend ratio of the power distribution communication equipment;
identifying whether the power distribution communication equipment fails according to the failure risk trend ratio;
when the power distribution communication equipment fails, basic data of maintenance personnel in a preset distance range of the power distribution communication equipment are collected, maintenance management analysis is conducted on the power distribution communication equipment according to the basic data of the maintenance personnel, a matching evaluation result of the maintenance personnel and the power distribution communication equipment is obtained, and the power distribution communication equipment is maintained according to the matching evaluation result.
2. The method of claim 1, wherein the data to be inspected comprises running average voltage, running temperature, and line average reactive loss values of the power distribution communication device over a plurality of sub-time periods;
the monitoring, evaluating and analyzing the to-be-detected data of the power distribution communication equipment to obtain the fault risk trend ratio of the power distribution communication equipment comprises the following steps:
comparing the running average voltage and the running temperature of each sub-time period in the to-be-detected data of the power distribution communication equipment with a preset running average voltage threshold value and a preset running temperature threshold value respectively, determining a part of the running average voltage exceeding the preset running average voltage threshold value and a part of the running temperature exceeding the preset running temperature threshold value in each sub-time period, and marking the part exceeding the preset running average voltage threshold value and the part exceeding the preset running temperature threshold value as a risk voltage value and an overheat value of each sub-time period respectively;
for each sub-time period, determining a relation according to a risk voltage value and a corresponding risk voltage value coefficient, an overheat value and a corresponding overheat value coefficient, a line average reactive power loss value and a corresponding reactive power loss coefficient, a preset correction coefficient and a preset state evaluation coefficient of the sub-time period, and determining a state evaluation coefficient of power distribution communication equipment in the sub-time period;
And generating a state evaluation coefficient curve of the power distribution communication equipment according to the state evaluation coefficients of the power distribution communication equipment in a plurality of sub-time periods, acquiring the ratio of the ascending sub-time period to the total sub-time period from the state evaluation coefficient curve, and marking the ratio as the fault risk trend ratio of the power distribution communication equipment.
3. The method of claim 2, wherein said identifying whether the power distribution communication device is malfunctioning based on the fault risk trend ratio comprises:
comparing the fault risk trend ratio with a preset fault risk trend ratio threshold;
if the fault risk trend ratio is smaller than or equal to the preset fault risk trend ratio threshold, determining that the power distribution communication equipment does not have faults;
and if the fault risk trend ratio is greater than the preset fault risk trend ratio threshold, determining that the power distribution communication equipment fails.
4. The method according to claim 1, wherein the basic data includes a straight line distance, work age, and a remaining amount of orders;
the maintenance management analysis is carried out on the power distribution communication equipment according to the basic data of each maintainer, and the obtaining of the matching evaluation result of each maintainer and the power distribution communication equipment comprises the following steps:
For each maintainer, determining a relation according to the linear distance and the corresponding distance weight of the maintainer, the working age and the corresponding working age weight, the residual order quantity and the corresponding residual order quantity weight and the preset matching evaluation coefficient, and determining the matching evaluation coefficient of the maintainer;
and sequencing the matching evaluation coefficients of the maintenance personnel to obtain the matching evaluation result of each maintenance personnel and the power distribution communication equipment.
5. The method according to claim 1, wherein the method further comprises:
collecting operation risk data of the power distribution communication equipment when the power distribution communication equipment does not fail;
and carrying out potential risk analysis on the operation risk data to obtain a prevention signal, and maintaining the power distribution communication equipment according to the prevention signal.
6. The method of claim 5, wherein the operational risk data includes an ambient humidity value of the power distribution communication device and an operational temperature of electrical components within the power distribution communication device over a plurality of sub-time periods;
the step of performing a potential risk analysis on the running risk data to obtain a preventive signal includes:
Comparing the environmental humidity value of each sub-period in the operation risk data with a preset environmental humidity value threshold, determining a sub-period corresponding to the environmental humidity value greater than the preset environmental humidity value threshold, marking the sub-period as an oxidation period, respectively comparing the environmental dust value, the environmental oxygen content value and the environmental temperature value in the oxidation period with corresponding thresholds, and marking the oxidation period as a risk period and marking the number of the risk period as a risk oxidation value if at least two of the environmental dust value, the environmental oxygen content value and the environmental temperature value are greater than the corresponding thresholds;
comparing the operation temperature of the electric element in the power distribution communication equipment with a preset operation temperature threshold value in each sub-time period in the operation risk data, determining the duration from the starting time to the ending time when the operation temperature is greater than the preset operation temperature threshold value, marking the duration as heating duration, and marking the part of the heating duration exceeding the preset safety duration as a risk duration value;
acquiring state evaluation coefficients of the power distribution communication equipment in a plurality of sub-time periods, and determining an average state evaluation coefficient of the power distribution communication equipment according to the state evaluation coefficients of the power distribution communication equipment in the plurality of sub-time periods;
Determining a relation according to the risk oxidation value and the corresponding risk oxidation weight, the risk duration value and the corresponding risk duration weight, the weight of the average state evaluation coefficient and the corresponding average state evaluation coefficient, a preset compensation factor coefficient and a preset potential fault evaluation probability to obtain the potential fault evaluation probability of the power distribution communication equipment;
and generating a preventive signal when the potential fault evaluation probability is larger than a preset potential fault evaluation probability threshold value.
7. The method of any of claims 5, wherein maintaining the power distribution communication device in accordance with the preventative signal comprises:
and marking the power distribution communication equipment corresponding to the preset signal so as to manage the operation rationality of the power distribution communication equipment.
8. The method according to any one of claims 1 to 7, further comprising:
when the power distribution communication equipment fails, acquiring fault characteristic data of the power distribution communication equipment; the fault characteristic data comprise an equipment abnormal sound interval, an equipment infrared thermal imaging characteristic diagram and an equipment fault circuit diagram;
Comparing the abnormal sound interval of the equipment, the infrared thermal imaging characteristic diagram of the equipment and the equipment fault circuit diagram with a historical fault diagnosis list to obtain a historical fault diagnosis list with highest similarity, and determining the historical fault diagnosis list as a target diagnosis list;
and maintaining the power distribution communication equipment according to the matching evaluation result and the target diagnosis list.
9. A fault diagnosis system of a power distribution communication device, characterized in that the system comprises a fault evaluation analysis unit and a maintenance management unit; the system comprises:
the fault evaluation analysis unit is used for performing supervision evaluation analysis on to-be-detected data of the power distribution communication equipment to obtain a fault risk trend ratio of the power distribution communication equipment; identifying whether the power distribution communication equipment fails according to the failure risk trend ratio;
and the maintenance management unit is used for carrying out maintenance management analysis on the power distribution communication equipment when the power distribution communication equipment fails, obtaining a matching evaluation result of each maintainer and the power distribution communication equipment within a preset distance range of the power distribution communication equipment, and maintaining the power distribution communication equipment according to the matching evaluation result.
10. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor implements the steps of the method of any one of claims 1 to 8 when the computer program is executed.
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|---|---|---|---|---|
| CN117557201A (en) * | 2024-01-12 | 2024-02-13 | 国网山东省电力公司菏泽供电公司 | Intelligent warehouse safety management system and method based on artificial intelligence |
| CN117557201B (en) * | 2024-01-12 | 2024-04-12 | 国网山东省电力公司菏泽供电公司 | Intelligent warehouse safety management system and method based on artificial intelligence |
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