Outdoor power distribution cabinet operation safety linkage supervision control system

Abstract

The invention belongs to the field of power distribution cabinet supervision, relates to a data analysis technology, is used for solving the problem that the maintenance necessity and maintenance influence factors of an outdoor power distribution cabinet cannot be analyzed according to electrical monitoring data in the prior art, and particularly relates to an outdoor power distribution cabinet operation safety linkage supervision control system. Comprising an electrical monitoring module, an alarm analysis module, an operation and maintenance management module, a maintenance analysis module and a database, the electrical monitoring module, the alarm analysis module, the operation and maintenance management module and the maintenance analysis module are sequentially in communication connection, and the alarm analysis module, the operation and maintenance management module and the maintenance analysis module are all in communication connection with the database; according to the method, operation and maintenance management analysis can be carried out on the outdoor power distribution cabinet, the distribution condition of the electrical coefficients of the outdoor power distribution cabinet in the analysis period is analyzed to obtain the operation and maintenance coefficients, and the operation and maintenance necessity of the outdoor power distribution cabinet is fed back through the operation and maintenance coefficients, so that the outdoor power distribution cabinet can be maintained in time, and the fault probability of the outdoor power distribution cabinet is reduced.

Description

Technical Field

[0001] The present invention belongs to the field of power distribution cabinet supervision, relates to data analysis technology, and specifically is an outdoor power distribution cabinet operation safety linkage supervision and control system. Background Art

[0002] An outdoor power distribution cabinet is a power distribution device specifically designed for outdoor environments, mainly used for stable power supply under various adverse weather conditions. By regularly monitoring and maintaining the outdoor power distribution cabinet, potential safety hazards can be detected and handled in a timely manner; through supervision and inspection tours, regular maintenance and upkeep of electrical equipment can be carried out, such as cleaning, lubrication, fastening, etc. These measures can extend the service life of the equipment.

[0003] The invention patent with the publication number CN118381186A discloses a power distribution cabinet operation supervision system. This supervision system can analyze the operation status of each circuit, analyze the overall operation status of the power distribution cabinet through an overall analysis module, and adjust the analysis process of the overall operation status of the power distribution cabinet; however, this supervision system cannot analyze the necessity and influencing factors of maintenance for outdoor power distribution cabinets based on electrical monitoring data, resulting in low efficiency in optimizing the operation status of outdoor power distribution cabinets.

[0004] In view of the above technical problems, the present application proposes a solution. Summary of the Invention

[0005] The purpose of the present invention is to provide an outdoor power distribution cabinet operation safety linkage supervision and control system, which is used to solve the problem that the prior art cannot analyze the necessity and influencing factors of maintenance for outdoor power distribution cabinets based on electrical monitoring data;

[0006] The technical problem that the present invention needs to solve is: how to provide an outdoor power distribution cabinet operation safety linkage supervision and control system that can analyze the necessity and influencing factors of maintenance for outdoor power distribution cabinets based on electrical monitoring data.

[0007] The purpose of the present invention can be achieved through the following technical solutions:

[0008] An outdoor power distribution cabinet operation safety linkage supervision and control system includes an electrical monitoring module, an alarm analysis module, an operation and maintenance management module, a maintenance analysis module, and a database. The electrical monitoring module, the alarm analysis module, the operation and maintenance management module, and the maintenance analysis module are sequentially communicatively connected, and the alarm analysis module, the operation and maintenance management module, and the maintenance analysis module are all communicatively connected to the database;

[0009] The electrical monitoring module is used to monitor and analyze the electrical parameters of the outdoor power distribution cabinet: mark the outdoor power distribution cabinet as the monitoring object, obtain the voltage deviation value YP, current deviation value LP, and power deviation value GP of the monitoring object in real time, and perform numerical calculations to obtain the electrical coefficient DQ of the monitoring object;

[0010] The alarm analysis module is used to perform electrical alarm analysis on the outdoor power distribution cabinet: obtain the electrical threshold DQmax through the database, compare the electrical coefficient DQ of the monitoring object with the electrical threshold DQmax, and determine whether the monitoring object has electrical alarm characteristics based on the comparison result;

[0011] The operation and maintenance management module is used to perform operation and maintenance management analysis on the outdoor power distribution cabinet: generate an analysis period, obtain the peak data FZ and critical data LJ of the monitoring object at the end of the analysis period, and perform numerical calculations to obtain the operation and maintenance coefficient YW of the monitoring object during the analysis period; determine whether the monitoring object has maintenance characteristics during the analysis period based on the operation and maintenance coefficient YW;

[0012] The maintenance analysis module is used to analyze the maintenance influencing factors of the outdoor power distribution cabinet.

[0013] Furthermore, the process of obtaining the voltage deviation value YP includes: obtaining the circuit voltage value and voltage standard range of the monitoring object, marking the average value of the maximum and minimum values of the voltage standard range as the voltage standard value, and marking the absolute value of the difference between the circuit voltage value and the voltage standard value as the voltage deviation value YP; the process of obtaining the current deviation value LP includes: obtaining the circuit current value and current standard range of the monitoring object, marking the average value of the maximum and minimum values of the current standard range as the current standard value, and marking the absolute value of the difference between the circuit current value and the current standard value as the current deviation value LP; the process of obtaining the power deviation value GP includes: obtaining the circuit power factor and power factor standard range of the monitoring object, marking the average value of the maximum and minimum values of the power factor standard range as the power factor standard value, and marking the absolute value of the difference between the circuit power factor and the power factor standard value as the power deviation value GP.

[0014] Furthermore, the specific process of comparing the electrical coefficient DQ of the monitoring object with the electrical threshold DQmax includes: if the electrical coefficient DQ is less than the electrical threshold DQmax, it is determined that the monitoring object does not have electrical alarm characteristics; if the electrical coefficient DQ is greater than or equal to the electrical threshold DQmax, it is determined that the monitoring object has electrical alarm characteristics, generate an electrical alarm signal and send the electrical alarm signal to the mobile terminal of the management personnel.

[0015] Furthermore, the process of obtaining the peak data FZ includes: marking the maximum value of the electrical coefficient DQ of the monitored object within the analysis period as the electrical peak, and marking the ratio of the electrical peak to the electrical threshold DQmax as the peak data FZ; the process of obtaining the critical data LJ includes: obtaining the electrical critical value DL through the formula DL = c1 × DQmax, where c1 is a proportionality coefficient and 0.87 ≤ c1 ≤ 0.95, and marking the ratio of the duration during which the electrical coefficient DQ of the monitored object within the analysis period is not less than the electrical critical value DL to the total duration of the analysis period as the critical data LJ.

[0016] Furthermore, the specific process of determining whether the monitored object has maintenance characteristics within the analysis period includes: obtaining the operation and maintenance threshold YWmax from the database, and comparing the operation and maintenance coefficient YW with the operation and maintenance threshold YWmax: if the operation and maintenance coefficient YW is less than the operation and maintenance threshold YWmax, it is determined that the monitored object does not have maintenance characteristics within the analysis period; if the operation and maintenance coefficient YW is greater than or equal to the operation and maintenance threshold YWmax, it is determined that the monitored object has maintenance characteristics within the analysis period, generating a maintenance signal and sending the maintenance signal to the mobile terminal of the management personnel and the maintenance analysis module.

[0017] Furthermore, the specific process of the maintenance analysis module analyzing the maintenance influencing factors of the outdoor power distribution cabinet includes: obtaining the load influence coefficient of the monitored object within the analysis period, obtaining the load influence threshold from the database, and comparing the load influence coefficient with the load influence threshold: if the load influence coefficient is less than the load influence threshold, generating a load regulation signal and sending the load regulation signal to the mobile terminal of the management personnel; if the load influence coefficient is greater than or equal to the load influence threshold, generating an environment regulation signal and sending the environment regulation signal to the mobile terminal of the management personnel.

[0018] Furthermore, the process of obtaining the load influence coefficient of the monitored object within the analysis period includes: dividing the analysis period into several analysis time segments, marking the maximum value of the electrical coefficient DQ of the monitored object within the analysis time segment as the electrical performance value, arranging the analysis time segments in descending order of the electrical performance value to obtain an electrical sequence, marking the maximum load of the monitored object within the analysis time segment as the load performance value, and arranging the analysis time segments in descending order of the load performance value to obtain a load sequence; marking the absolute value of the difference between the serial number of the analysis time segment in the load sequence and the serial number in the electrical sequence as the load influence value, and summing and averaging the load influence values of all analysis time segments to obtain the load influence coefficient.

[0019] The present invention has the following beneficial effects:

[0020] 1. The electrical monitoring module can monitor and analyze the electrical parameters of outdoor power distribution cabinets, collect and process the electrical parameters of outdoor power distribution cabinets in real time to obtain electrical coefficients, and feedback the electrical performance of outdoor power distribution cabinets through the electrical coefficients, providing data support for the alarm analysis process and sending electrical alarm signals when necessary to handle risks in a timely manner;

[0021] 2. The operation and maintenance management module can perform operation and maintenance management analysis on outdoor power distribution cabinets, analyze the distribution of electrical coefficients of outdoor power distribution cabinets within the analysis period to obtain operation and maintenance coefficients, and feedback the necessity of operation and maintenance of outdoor power distribution cabinets through the operation and maintenance coefficients, so as to maintain outdoor power distribution cabinets in a timely manner and reduce their failure probability;

[0022] 3. The maintenance analysis module can analyze the maintenance influencing factors of outdoor power distribution cabinets, compare and analyze the distribution state of electrical coefficients and the load distribution state of outdoor power distribution cabinets to obtain load influence coefficients, and mark the maintenance influencing factors of outdoor power distribution cabinets according to the load influence coefficients, thereby improving the maintenance efficiency of outdoor power distribution cabinets. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0024] Figure 1 It is a system block diagram of Embodiment 1 of the present invention;

[0025] Figure 2 It is a method flowchart of Embodiment 2 of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0027] Embodiment 1: As Figure 1 shown, a safety linkage supervision and control system for the operation of outdoor power distribution cabinets includes an electrical monitoring module, an alarm analysis module, an operation and maintenance management module, a maintenance analysis module, and a database. The electrical monitoring module, the alarm analysis module, the operation and maintenance management module, and the maintenance analysis module are sequentially communicatively connected, and the alarm analysis module, the operation and maintenance management module, and the maintenance analysis module are all communicatively connected to the database.

[0028] The electrical monitoring module is used to monitor and analyze the electrical parameters of outdoor distribution cabinets: mark the outdoor distribution cabinet as the monitoring object, and obtain the voltage deviation value YP, current deviation value LP, and power deviation value GP of the monitoring object in real time. The process of obtaining the voltage deviation value YP includes: obtaining the circuit voltage value of the monitoring object and the voltage standard range, marking the average value of the maximum and minimum values of the voltage standard range as the voltage standard value, and marking the absolute value of the difference between the circuit voltage value and the voltage standard value as the voltage deviation value YP; the process of obtaining the current deviation value LP includes: obtaining the circuit current value of the monitoring object and the current standard range, marking the average value of the maximum and minimum values of the current standard range as the current standard value, and marking the absolute value of the difference between the circuit current value and the current standard value as the current deviation value LP; the process of obtaining the power deviation value GP includes: obtaining the circuit power factor of the monitoring object and the power factor standard range, marking the average value of the maximum and minimum values of the power factor standard range as the power factor standard value, and marking the absolute value of the difference between the circuit power factor and the power factor standard value as the power deviation value GP; obtain the electrical coefficient DQ of the monitoring object through the formula DQ = a1×YP + a2×LP + a3×GP, where a1, a2, and a3 are all proportionality coefficients, and a1 > a2 > a3 > 1.

[0029] The alarm analysis module is used to conduct electrical alarm analysis on outdoor distribution cabinets: obtain the electrical threshold DQmax through the database, and compare the electrical coefficient DQ of the monitoring object with the electrical threshold DQmax: if the electrical coefficient DQ is less than the electrical threshold DQmax, it is determined that the monitoring object does not have electrical alarm characteristics; if the electrical coefficient DQ is greater than or equal to the electrical threshold DQmax, it is determined that the monitoring object has electrical alarm characteristics, generate an electrical alarm signal and send the electrical alarm signal to the mobile terminal of the management personnel; collect and process the electrical parameters of the outdoor distribution cabinet in real time to obtain the electrical coefficient, and provide feedback on the electrical performance of the outdoor distribution cabinet through the electrical coefficient, provide data support for the alarm analysis process, and send an electrical alarm signal when necessary to perform risk handling in a timely manner.

[0030] The operation and maintenance management module is used to perform operation and maintenance management analysis on outdoor power distribution cabinets: generate an analysis period, and obtain the peak data FZ and critical data LJ of the monitoring object at the end of the analysis period. The process of obtaining the peak data FZ includes: marking the maximum value of the electrical coefficient DQ of the monitoring object within the analysis period as the electrical peak, and marking the ratio of the electrical peak to the electrical threshold DQmax as the peak data FZ; the process of obtaining the critical data LJ includes: obtaining the electrical critical value DL through the formula DL = c1×DQmax, where c1 is a proportionality coefficient and 0.87 ≤ c1 ≤ 0.95, and marking the ratio of the duration during which the electrical coefficient DQ of the monitoring object within the analysis period is not less than the electrical critical value DL to the total duration of the analysis period as the critical data LJ; obtaining the operation and maintenance coefficient YW of the monitoring object within the analysis period through the formula YW = k1×FZ + k2×LJ, where both k1 and k2 are proportionality coefficients and k1 > k2 > 1; obtaining the operation and maintenance threshold YWmax through the database, and comparing the operation and maintenance coefficient YW with the operation and maintenance threshold YWmax: if the operation and maintenance coefficient YW is less than the operation and maintenance threshold YWmax, it is determined that the monitoring object does not have maintenance characteristics within the analysis period; if the operation and maintenance coefficient YW is greater than or equal to the operation and maintenance threshold YWmax, it is determined that the monitoring object has maintenance characteristics within the analysis period, generate a maintenance signal and send the maintenance signal to the mobile terminal of the management personnel and the maintenance analysis module; analyze the distribution of the electrical coefficient of the outdoor power distribution cabinet within the analysis period to obtain the operation and maintenance coefficient, and feedback the necessity of operation and maintenance of the outdoor power distribution cabinet through the operation and maintenance coefficient, so as to timely maintain the outdoor power distribution cabinet and reduce its failure probability.

[0031] The maintenance analysis module is used to analyze the maintenance influencing factors of the outdoor power distribution cabinet: divide the analysis period into several analysis time periods, mark the maximum value of the electrical coefficient DQ of the monitoring object in the analysis time period as the electrical performance value, arrange the analysis time periods in descending order of the electrical performance value to obtain the electrical sequence, mark the maximum load value of the monitoring object in the analysis time period as the load performance value, and arrange the analysis time periods in descending order of the load performance value to obtain the load sequence; mark the absolute value of the difference between the serial number of the analysis time period in the load sequence and the serial number in the electrical sequence as the load influence value, sum and average the load influence values of all analysis time periods to obtain the load influence coefficient, obtain the load influence threshold through the database, and compare the load influence coefficient with the load influence threshold: if the load influence coefficient is less than the load influence threshold, generate a load regulation signal and send the load regulation signal to the mobile terminal of the management personnel; if the load influence coefficient is greater than or equal to the load influence threshold, generate an environment regulation signal and send the environment regulation signal to the mobile terminal of the management personnel; compare the distribution state of the electrical coefficient of the outdoor power distribution cabinet with the load distribution state to obtain the load influence coefficient, and mark the maintenance influencing factors of the outdoor power distribution cabinet according to the load influence coefficient, so as to improve the maintenance efficiency of the outdoor power distribution cabinet.

[0032] Embodiment 2: As Figure 2 shown, a method for safety linkage supervision and control of outdoor power distribution cabinet operation includes the following steps:

[0033] Step 1: Monitor and analyze the electrical parameters of the outdoor power distribution cabinet: Mark the outdoor power distribution cabinet as the monitoring object, and obtain the voltage deviation value YP, current deviation value LP, and power deviation value GP of the monitoring object in real time and perform numerical calculations to obtain the electrical coefficient DQ;

[0034] Step 2: Conduct electrical alarm analysis on the outdoor power distribution cabinet: Obtain the electrical threshold DQmax through the database, compare the electrical coefficient DQ of the monitoring object with the electrical threshold DQmax, and determine whether the monitoring object has electrical alarm characteristics based on the comparison result;

[0035] Step 3: Conduct operation and maintenance management analysis on the outdoor power distribution cabinet: Generate an analysis period, obtain the peak data FZ and critical data LJ of the monitoring object at the end of the analysis period and perform numerical calculations to obtain the operation and maintenance coefficient YW, and determine whether the monitoring object has operation and maintenance characteristics during the analysis period based on the operation and maintenance coefficient YW;

[0036] Step 4: Analyze the maintenance influencing factors of the outdoor power distribution cabinet and obtain the load influence coefficient, and determine the regulation direction of the monitoring object based on the load influence coefficient.

[0037] An outdoor power distribution cabinet operation safety linkage supervision and control system. When working, the outdoor power distribution cabinet is marked as the monitoring object, and the voltage deviation value YP, current deviation value LP, and power deviation value GP of the monitoring object are obtained in real time and numerical calculations are performed to obtain the electrical coefficient DQ; the electrical threshold DQmax is obtained through the database, and the electrical coefficient DQ of the monitoring object is compared with the electrical threshold DQmax, and whether the monitoring object has electrical alarm characteristics is determined through the comparison result; an analysis period is generated, and at the end of the analysis period, the peak data FZ and critical data LJ of the monitoring object are obtained and numerical calculations are performed to obtain the operation and maintenance coefficient YW, and whether the monitoring object has operation and maintenance characteristics during the analysis period is determined through the operation and maintenance coefficient YW; the maintenance influencing factors of the outdoor power distribution cabinet are analyzed and the load influence coefficient is obtained, and the regulation direction of the monitoring object is determined through the load influence coefficient.

[0038] The above content is only an example and explanation of the structure of the present invention. Those skilled in the art of this technology make various modifications or supplements to the described specific embodiments or use similar methods to replace them. As long as they do not deviate from the structure of the invention or exceed the scope defined by this claim book, they should all belong to the protection scope of the present invention.

[0039] The above formulas are all obtained by collecting a large amount of data for software simulation and selecting a formula close to the true value. The coefficients in the formula are set by those skilled in the art according to the actual situation; for example: the formula DQ = a1×YP + a2×LP + a3×GP; those skilled in the art collect multiple groups of sample data and set the corresponding electrical coefficient for each group of sample data; substitute the set electrical coefficient and the collected sample data into the formula, and any three formulas form a system of ternary linear equations. Screen the calculated coefficients and take the average value to obtain the values of a1, a2, and a3 as 4.52, 2.83, and 2.28 respectively;

[0040] The magnitude of the coefficient is a specific value obtained by quantifying each parameter for subsequent comparison. Regarding the magnitude of the coefficient, it depends on the amount of sample data and the preliminary setting of the corresponding electrical coefficient for each group of sample data by those skilled in the art; as long as it does not affect the proportional relationship between the parameter and the quantified value, for example, the electrical coefficient is proportional to the numerical value of the voltage deviation value.

[0041] In the description of this specification, the description with reference to terms such as "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0042] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific embodiments only. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification to better explain the principles and practical applications of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. An outdoor power distribution cabinet operation safety linkage supervision and control system, characterized in that: It includes an electrical monitoring module, an alarm analysis module, an operation and maintenance management module, a maintenance analysis module and a database, wherein the electrical monitoring module, the alarm analysis module, the operation and maintenance management module and the maintenance analysis module are sequentially connected in communication, and the alarm analysis module, the operation and maintenance management module and the maintenance analysis module are all connected in communication with the database; The electrical monitoring module is used to monitor and analyze the electrical parameters of the outdoor power distribution cabinet: mark the outdoor power distribution cabinet as a monitoring object, obtain the voltage deviation value YP, current deviation value LP and power deviation value GP of the monitoring object in real time, and perform numerical calculation to obtain the electrical coefficient DQ of the monitoring object; The alarm analysis module is used to perform electrical alarm analysis on the outdoor power distribution cabinet: the electrical threshold DQmax is obtained through the database, the electrical coefficient DQ of the monitored object is compared with the electrical threshold DQmax, and whether the monitored object has electrical alarm characteristics is determined by the comparison result; The operation and maintenance management module is used to perform operation and maintenance management analysis on the outdoor power distribution cabinet: generate an analysis cycle, obtain the peak data FZ and critical data LJ of the monitored object at the end of the analysis cycle, and perform numerical calculations to obtain the operation and maintenance coefficient YW of the monitored object during the analysis cycle; determine whether the monitored object has maintenance characteristics during the analysis cycle based on the operation and maintenance coefficient YW; The maintenance analysis module is used to analyze the factors affecting the maintenance of the outdoor power distribution cabinet.

2. According to claim 1, an outdoor power distribution cabinet operation safety linkage supervision and control system is characterized in that: The process of obtaining the voltage deviation value YP includes: obtaining the circuit voltage value and the voltage standard range of the monitored object, marking the average value of the maximum value and the minimum value of the voltage standard range as the voltage standard value, and marking the absolute value of the difference between the circuit voltage value and the voltage standard value as the voltage deviation value YP; the process of obtaining the current deviation value LP includes: obtaining the circuit current value and the current standard range of the monitored object, marking the average value of the maximum value and the minimum value of the current standard range as the current standard value, and marking the absolute value of the difference between the circuit current value and the current standard value as the current deviation value LP; the process of obtaining the power deviation value GP includes: obtaining the circuit power factor and the power factor standard range of the monitored object, marking the average value of the maximum value and the minimum value of the power factor standard range as the power factor standard value, and marking the absolute value of the difference between the circuit power factor and the power factor standard value as the power deviation value GP.

3. According to claim 2, an outdoor power distribution cabinet operation safety linkage supervision and control system is characterized in that: The specific process of comparing the electrical coefficient DQ of the monitored object with the electrical threshold DQmax includes: if the electrical coefficient DQ is less than the electrical threshold DQmax, it is determined that the monitored object does not have the electrical alarm feature; if the electrical coefficient DQ is greater than or equal to the electrical threshold DQmax, it is determined that the monitored object has the electrical alarm feature, an electrical alarm signal is generated and the electrical alarm signal is sent to the mobile phone terminal of the manager.

4. The outdoor power distribution cabinet operation safety linkage supervision and control system according to claim 3 is characterized in that: The process of acquiring the peak data FZ includes: marking the maximum value of the electrical coefficient DQ of the monitored object within the analysis period as the electrical peak value, and marking the ratio of the electrical peak value to the electrical threshold DQmax as the peak data FZ; the process of acquiring the critical data LJ includes: obtaining the electrical critical value DL through the formula DL=c1×DQmax, where c1 is the proportional coefficient, and 0.87≤c1≤0.95, and marking the ratio of the duration of the electrical coefficient DQ of the monitored object within the analysis period not less than the electrical critical value DL to the total duration of the analysis period as the critical data LJ.

5. The outdoor power distribution cabinet operation safety linkage supervision and control system according to claim 4 is characterized in that: The specific process of determining whether the monitored object has maintenance characteristics during the analysis period includes: obtaining the operation and maintenance threshold YWmax through the database, and comparing the operation and maintenance coefficient YW with the operation and maintenance threshold YWmax: if the operation and maintenance coefficient YW is less than the operation and maintenance threshold YWmax, it is determined that the monitored object does not have maintenance characteristics during the analysis period; if the operation and maintenance coefficient YW is greater than or equal to the operation and maintenance threshold YWmax, it is determined that the monitored object has maintenance characteristics during the analysis period, and a maintenance signal is generated and sent to the management personnel's mobile terminal and the maintenance analysis module.

6. The outdoor power distribution cabinet operation safety linkage supervision and control system according to claim 5 is characterized in that: The specific process of the maintenance analysis module analyzing the maintenance influencing factors of the outdoor distribution cabinet includes: obtaining the load influence coefficient of the monitored object during the analysis period, obtaining the load influence threshold through the database, and comparing the load influence coefficient with the load influence threshold: if the load influence coefficient is less than the load influence threshold, a load control signal is generated and sent to the mobile phone terminal of the manager; if the load influence coefficient is greater than or equal to the load influence threshold, an environmental control signal is generated and sent to the mobile phone terminal of the manager.

7. The outdoor power distribution cabinet operation safety linkage supervision and control system according to claim 6 is characterized in that: The process of obtaining the load influence coefficient of the monitored object within the analysis period includes: dividing the analysis period into several analysis time periods, marking the maximum value of the electrical coefficient DQ of the monitored object within the analysis period as the electrical performance value, arranging the analysis time periods in descending order of the electrical performance value to obtain an electrical sequence, marking the maximum load value of the monitored object within the analysis period as the load performance value, arranging the analysis time periods in descending order of the load performance value to obtain a load sequence; marking the absolute value of the difference between the sequence number of the analysis period in the load sequence and the sequence number in the electrical sequence as the load influence value, and summing and averaging the load influence values ​​of all analysis time periods to obtain the load influence coefficient.

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