CN117438012A - Multi-factor aging test analysis system for composite insulator material - Google Patents
Multi-factor aging test analysis system for composite insulator material Download PDFInfo
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Abstract
The invention discloses a multi-factor aging test analysis system of a composite insulator material, which belongs to the field of electric power and is used for solving the problem of inaccurate aging test results caused by no combination of actual use scenes and use regions in the current aging test of the composite insulator.
Description
Technical Field
The invention belongs to the field of electric power, relates to an aging test analysis technology, and particularly relates to a multi-factor aging test analysis system for a composite insulator material.
Background
The insulator is mainly used for telegraph poles in the early years, and along with the development of technology, a plurality of disc-shaped insulators are hung at one end of a high-voltage wire connecting tower, and the insulators are usually made of glass or ceramic for increasing the creepage distance. The insulator plays two basic roles in the overhead transmission line, namely, supporting the wire and preventing the current from flowing back to the ground, the two roles must be ensured, the insulator should not fail due to various electromechanical stresses caused by the change of the environment and the electrical load condition, otherwise, the insulator does not play a significant role, and the service life and the operation life of the whole line are damaged.
When the prior composite insulator is subjected to an ageing test, the ageing test equipment of the composite insulator is debugged according to the past test data or the fixed data, and the ageing test mode is not combined with the actual use scene and the use region of the composite insulator, so that the ageing test result of the composite insulator is inaccurate;
therefore, we propose a multi-factor aging test analysis system for composite insulator materials.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a multi-factor aging test analysis system for a composite insulator material.
The technical problems to be solved by the invention are as follows:
how to realize accurate analysis of the composite insulator aging test based on the actual use situation.
The aim of the invention can be achieved by the following technical scheme:
the multi-factor aging test analysis system for the composite insulator material comprises test equipment and a server, wherein the server is connected with a storage module, an environment construction module, an aging analysis module, a data acquisition module, a model construction module, a performance analysis module and a user terminal;
the environment construction module is used for constructing the test environment of the composite insulator, a fault reference interval obtained in the ageing test of the composite insulator is sent to the user terminal through the server, the user terminal sets a plurality of groups of first ageing test parameters and a plurality of groups of second ageing test parameters of the composite insulator according to the fault reference interval and sends the first ageing test parameters and the second ageing test parameters to the test equipment through the server, and the test equipment combines the first ageing test parameters and the second ageing test parameters to carry out ageing tests on a plurality of groups of composite insulators of the same product model;
during the aging test, the data acquisition module is used for acquiring real-time aging data and real-time performance data of a plurality of groups of composite insulators after the aging test and transmitting the real-time aging data and the real-time performance data to the server, and the server transmits the real-time aging data to the aging analysis module and the real-time performance data to the performance analysis module;
the storage is also used for storing initial aging data and initial performance data of the composite insulators with different product models; the aging analysis module is used for analyzing the aging conditions of a plurality of groups of composite insulators after the aging test, and obtaining the aging degree value of each group of composite insulators after the aging test and sending the aging degree value to the model construction module through the server; the performance analysis module is used for analyzing the performance conditions of a plurality of groups of composite insulators after the aging test, and obtaining the performance attenuation value of each group of composite insulators after the aging test and sending the performance attenuation value to the model construction module through the server; the model construction module is used for constructing an aging state comprehensive evaluation model of the composite insulator.
Further, the regional environment data are regional temperature values and regional humidity values of the composite insulators of different product types at the positions of insulation faults;
the real-time aging data are the real-time hardness, the real-time tensile strength and the real-time tearing strength of the multiple groups of composite insulators after the aging test;
the real-time performance data are the real-time hydrophobicity, the real-time surface specific resistance and the real-time volume specific resistance of the multiple groups of composite insulators after the aging test;
the initial aging data are the initial hardness, the initial tensile strength and the initial tearing strength of the composite insulator with different product types before aging;
the initial performance data are initial hydrophobicity, initial surface specific resistance and initial volume specific resistance of the composite insulator before aging of different product models.
Further, the construction process of the environment construction module is specifically as follows:
acquiring the regional temperature value and the regional humidity value of a plurality of groups of composite insulators with the same product type during insulation faults;
traversing and comparing the regional temperature values of a plurality of groups of composite insulators in the insulation fault state to obtain a regional temperature upper limit value and a regional temperature lower limit value of the composite insulators in the insulation fault state, and obtaining a regional temperature value interval of the composite insulators in the insulation fault state according to the regional temperature upper limit value and the regional temperature lower limit value;
similarly, obtaining a region humidity value interval of the composite insulator in the insulation fault according to the steps;
and taking the region temperature value interval and the region humidity value interval during insulation faults as fault reference intervals during the composite insulator aging test.
Further, the setting process of the first aging test parameter and the second aging test parameter is specifically as follows:
acquiring a fault reference interval during an aging test of the composite insulator, and obtaining an area temperature value interval and an area humidity value interval of the composite insulator during insulation faults;
wherein, the zone temperature value interval is composed of a zone temperature lower limit value and a zone temperature upper limit value, and the zone humidity value interval is composed of a zone humidity lower limit value and a zone humidity upper limit value;
taking the lower zone temperature limit value and the lower zone humidity limit value, the lower zone temperature limit value and the upper zone humidity limit value, the upper zone temperature limit value and the lower zone humidity limit value or the upper zone temperature limit value and the upper zone humidity limit value as a group of first aging test parameters of the composite insulator;
setting a temperature value smaller than the upper limit value of the regional temperature and a humidity value smaller than the lower limit value of the regional humidity, setting a temperature value smaller than the upper limit value of the regional temperature and a humidity value larger than the upper limit value of the regional humidity, setting a temperature value larger than the upper limit value of the regional temperature and a humidity value smaller than the lower limit value of the regional humidity, or setting a temperature value larger than the upper limit value of the regional temperature and a humidity value larger than the upper limit value of the regional humidity as a set of second aging test parameters of the composite insulator.
Further, the analysis process of the aging analysis module is specifically as follows:
acquiring initial hardness, initial tensile strength and initial tearing strength of the composite insulator;
then, acquiring the real-time hardness, the real-time tensile strength and the real-time tearing strength of each group of composite insulators after the aging test;
subtracting the real-time hardness from the initial hardness to obtain a hardness reduction value of each group of composite insulators after the aging test;
similarly, the tensile strength reduction value and the tearing strength reduction value of each group of composite insulators after the aging test are obtained;
and (5) calculating the aging degree value of each group of composite insulators after the aging test.
Further, the analysis process of the performance analysis module is specifically as follows:
acquiring the real-time hydrophobicity, the real-time surface specific resistance and the real-time volume specific resistance of each group of composite insulators after the aging test;
then obtaining the initial hydrophobicity, the initial surface specific resistance and the initial volume specific resistance of the composite insulator;
subtracting the real-time hydrophobicity from the initial hydrophobicity to obtain a hydrophobicity reduction value of each group of composite insulators after the ageing test;
and similarly, obtaining the surface specific resistance reduction value and the volume specific resistance reduction value of each group of composite insulators after the aging test;
and calculating the performance attenuation value of each group of composite insulators after the aging test.
Further, the construction process of the model construction module is specifically as follows:
comparing the aging degree value of the composite insulator after the aging test with an aging degree threshold value, and comparing the performance attenuation value of the composite insulator after the aging test with the performance attenuation threshold value;
if the aging degree value is larger than the aging degree threshold value or the performance attenuation value is larger than the performance attenuation threshold value, marking the composite insulator after the aging test as an effective test composite insulator, and if the aging degree value is smaller than or equal to the aging degree threshold value and the performance attenuation value is smaller than or equal to the performance attenuation threshold value, rejecting the composite insulator after the corresponding aging test;
dividing a plurality of groups of effective test composite insulators into a first parameter set and a second parameter set according to the first aging test parameters and the second aging test parameters;
arranging the effective test composite insulators in the first parameter set in a descending order according to the numerical value of the aging degree value to obtain an aging degree table of the effective test composite insulators in the first parameter set;
similarly, arranging the effective test composite insulators in the first parameter set in a descending order according to the numerical value of the performance attenuation value to obtain a performance attenuation table of the effective test composite insulators in the first parameter set;
according to the steps, the effective test composite insulators in the second parameter set are arranged in a descending order according to the numerical value of the ageing degree value to obtain an ageing degree table of the effective test composite insulators in the second parameter set, and the effective test composite insulators in the second parameter set are arranged in a descending order according to the numerical value of the performance attenuation value to obtain a performance attenuation table of the effective test composite insulators in the second parameter set;
each row in the aging degree table and the performance attenuation table is mapped with a first aging test parameter and a second aging test parameter of the effective test composite insulator;
the aging degree table and the performance attenuation table of the composite insulator in the first parameter set and the aging degree table and the performance attenuation table of the composite insulator in the second parameter set form a comprehensive aging state evaluation model of the composite insulator.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, regional environment data corresponding to the insulation faults of the composite insulator are sent to an environment construction module according to the product model, the test environment of the composite insulator is constructed through the environment construction module, a fault reference interval during the aging test of the composite insulator is obtained and sent to a user terminal, the user terminal sets a plurality of groups of first aging test parameters and a plurality of groups of second aging test parameters of the composite insulator according to the fault reference interval and sends the first aging test parameters and the second aging test parameters to test equipment through a server, the test equipment carries out the aging test on the plurality of groups of composite insulators, after the aging test, the aging condition of the plurality of groups of composite insulators after the aging test is analyzed through an aging analysis module, the aging degree value of each group of composite insulators after the aging test is obtained and sent to a model construction module through a performance analysis module, the performance attenuation value of each group of composite insulators after the aging test is obtained and the model construction module constructs an aging state comprehensive evaluation model of the composite insulator, and the invention combines various factors during the insulation faults to simulate the actual use scene of the composite insulator so as to realize accurate analysis of the aging test of the composite insulator.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is an overall system block diagram of the present invention;
FIG. 2 is another system block diagram of the present invention;
fig. 3 is a flow chart of the operation of the present invention.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In one embodiment, referring to fig. 1, a multi-factor aging test analysis system for a composite insulator material includes a test device and a server, wherein the server is connected with a storage module, an environment construction module, an aging analysis module, a data acquisition module, a model construction module, a performance analysis module and a user terminal;
in this embodiment, the storage module is configured to record regional environment data of the composite insulator with different product types when the composite insulator fails in insulation, the user terminal is configured to input the product type of the composite insulator, and send the product type of the composite insulator to the server, the server sends the product type of the composite insulator to the storage module, and the storage module sends the regional environment data of the composite insulator when the composite insulator fails in insulation to the environment building module according to the product type;
the method specifically needs to be explained, the regional environment data are regional temperature values and regional humidity values of the composite insulator with different product types at the location of the insulation fault, specifically, the regional environment data are acquired by acquisition equipment of the region where the composite insulator is located, the acquisition equipment acquires daily temperature values and daily humidity values of the region where the composite insulator is located every day, when the composite insulator has the insulation fault, the acquisition equipment adds and sums the daily temperature values and the daily humidity values of the region where the composite insulator is located every month before the region where the composite insulator is located to obtain the regional temperature values and the regional humidity values of the region where the composite insulator is located at the insulation fault, and the acquisition equipment can be related equipment such as a temperature and humidity sensor, a haze detector and the like;
the environment construction module is used for constructing the test environment of the composite insulator, and the construction process is specifically as follows:
acquiring the regional temperature value and the regional humidity value of a plurality of groups of composite insulators with the same product type during insulation faults;
traversing and comparing the regional temperature values of a plurality of groups of composite insulators in the insulation fault state to obtain a regional temperature upper limit value and a regional temperature lower limit value of the composite insulators in the insulation fault state, and obtaining a regional temperature value interval of the composite insulators in the insulation fault state according to the regional temperature upper limit value and the regional temperature lower limit value;
similarly, according to the method, the regional humidity value interval of the composite insulator in the insulation fault is obtained;
taking the region temperature value interval and the region humidity value interval during insulation faults as fault reference intervals during composite insulator ageing tests;
the environment construction module feeds back a fault reference interval during the composite insulator ageing test to the server, the server sends the fault reference interval during the composite insulator ageing test to the user terminal, and the user terminal is used for setting a plurality of groups of first ageing test parameters and a plurality of groups of second ageing test parameters of the composite insulator according to the fault reference interval and sending the plurality of groups of first ageing test parameters and the plurality of groups of second ageing test parameters of the composite insulator to the server;
in this embodiment, the setting process of the first aging test parameter and the second aging test parameter is specifically as follows:
acquiring a fault reference interval during an aging test of the composite insulator, and obtaining an area temperature value interval and an area humidity value interval of the composite insulator during insulation faults; wherein, the zone temperature value interval is composed of a zone temperature lower limit value (left end point) and a zone temperature upper limit value (right end point), and the zone humidity value interval is composed of a zone humidity lower limit value (left end point) and a zone humidity upper limit value (right end point);
taking the lower limit value of the regional temperature and the lower limit value of the regional humidity as a first aging test parameter of a group of composite insulators;
taking the lower limit value of the regional temperature and the upper limit value of the regional humidity as a first aging test parameter of a group of composite insulators;
taking the upper limit value of the regional temperature and the lower limit value of the regional humidity as a first aging test parameter of a group of composite insulators;
taking the upper limit value of the regional temperature and the upper limit value of the regional humidity as a first aging test parameter of a group of composite insulators;
setting a temperature value smaller than the upper limit value of the regional temperature and a humidity value smaller than the lower limit value of the regional humidity as a set of second aging test parameters of the composite insulator;
setting a temperature value smaller than the upper limit value of the regional temperature and a humidity value larger than the upper limit value of the regional humidity as a set of second aging test parameters of the composite insulator;
setting a temperature value larger than the upper limit value of the regional temperature and a humidity value smaller than the lower limit value of the regional humidity as a set of second aging test parameters of the composite insulator;
setting a temperature value larger than the upper limit value of the regional temperature and a humidity value larger than the upper limit value of the regional humidity as a set of second aging test parameters of the composite insulator;
the server sends a plurality of groups of first ageing test parameters and a plurality of groups of second ageing test parameters of the composite insulator to test equipment, the test equipment combines the first ageing test parameters and the second ageing test parameters to carry out ageing tests on a plurality of groups of composite insulators of the same product model, the test equipment can be a plurality of ageing test boxes, ageing cabinets, ageing rooms and the like, in the embodiment, the ageing boxes are preferably used as test equipment, meanwhile, the ageing tests can be a wet heat ageing test, an ozone ageing test, a salt spray ageing test, a high-low temperature ageing test and the like, and in the implementation, the wet heat ageing test is more in accordance with the ageing test of the composite insulator, so that the wet heat ageing test of the composite insulator is preferably carried out;
when an aging test is actually performed, the data acquisition module is used for acquiring real-time aging data and real-time performance data of a plurality of groups of composite insulators after the aging test, and transmitting the real-time aging data and the real-time performance data to the server, wherein the server transmits the real-time aging data to the aging analysis module, and the server transmits the real-time performance data to the performance analysis module;
the real-time aging data are the real-time hardness, the real-time tensile strength and the real-time tearing strength of the multiple groups of composite insulators after the aging test; the real-time performance data are the real-time hydrophobicity, the real-time surface specific resistance and the real-time volume specific resistance of the multiple groups of composite insulators after the aging test, and the data acquisition module can be a surface resistance tester and a volume resistivity tester;
the storage is also used for storing initial aging data and initial performance data of the composite insulators with different product models;
the initial aging data are initial hardness, initial tensile strength and initial tearing strength before aging of the composite insulator with different product types, and the initial performance data are initial hydrophobicity, initial surface specific resistance and initial volume specific resistance before aging of the composite insulator with different product types;
the aging analysis module is used for analyzing the aging conditions of a plurality of groups of composite insulators after the aging test, and the analysis process is specifically as follows:
labeling the composite insulator after the aging test as u, wherein u=1, 2, … …, and z is a positive integer;
acquiring initial hardness, initial tensile strength and initial tearing strength of the composite insulator;
then, acquiring the real-time hardness, the real-time tensile strength and the real-time tearing strength of each group of composite insulators after the aging test;
subtracting the real-time hardness from the initial hardness to obtain a hardness reduction value YDu of each group of composite insulators after the aging test; if the real-time hardness is greater than or equal to the initial hardness, eliminating the group of composite insulators, and not incorporating the composite insulators into the subsequent analysis process;
similarly, a tensile strength reduction value LSu and a tear strength reduction value KSu of each group of composite insulators after the aging test are obtained;
the aging degree value LCu of each group of composite insulators after the aging test is calculated by the formula LCu= YDu ×a1+ LSu ×a2+KSu×a3; wherein a1, a2 and a3 are weight coefficients with fixed values, and the values of a1, a2 and a3 are all larger than zero;
the aging analysis module feeds the aging degree value of each group of composite insulators after the aging test back to the server, and the server sends the aging degree value of each group of composite insulators after the aging test to the model construction module;
in this embodiment, the performance analysis module is configured to analyze performance conditions of multiple groups of composite insulators after an aging test, where an analysis process specifically includes:
acquiring the real-time hydrophobicity, the real-time surface specific resistance and the real-time volume specific resistance of each group of composite insulators after the aging test;
then obtaining the initial hydrophobicity, the initial surface specific resistance and the initial volume specific resistance of the composite insulator;
subtracting the real-time hydrophobicity from the initial hydrophobicity to obtain a hydrophobicity reduction value ZSu of each group of composite insulators after the ageing test;
similarly, the surface specific resistance reduction value BZu and the volume specific resistance reduction value TZu of each group of composite insulators after the aging test are obtained;
the performance attenuation value XSu of each group of composite insulators after the aging test is calculated by the formula XSu = (ZSu ×b1+ BZu ×b2+ TZu ×b3)/(b1+b2+b3); wherein b1, b2 and b3 are all proportional coefficients with fixed values, and the values of b1, b2 and b3 are all larger than zero;
the performance analysis module feeds back the performance attenuation value of each group of composite insulators after the aging test to the server, and the server sends the performance attenuation value of each group of composite insulators after the aging test to the model construction module;
the model construction module is used for constructing an aging state comprehensive evaluation model of the composite insulator, and the construction process is specifically as follows:
comparing the aging degree value of the composite insulator after the aging test with an aging degree threshold value, and comparing the performance attenuation value of the composite insulator after the aging test with the performance attenuation threshold value;
if the aging degree value is larger than the aging degree threshold value or the performance attenuation value is larger than the performance attenuation threshold value, marking the composite insulator after the aging test as an effective test composite insulator, and if the aging degree value is smaller than or equal to the aging degree threshold value and the performance attenuation value is smaller than or equal to the performance attenuation threshold value, rejecting the composite insulator after the corresponding aging test;
dividing a plurality of groups of effective test composite insulators into a first parameter set and a second parameter set according to the first aging test parameters and the second aging test parameters;
arranging the effective test composite insulators in the first parameter set in a descending order according to the numerical value of the aging degree value to obtain an aging degree table of the effective test composite insulators in the first parameter set;
similarly, arranging the effective test composite insulators in the first parameter set in a descending order according to the numerical value of the performance attenuation value to obtain a performance attenuation table of the effective test composite insulators in the first parameter set;
according to the steps, the effective test composite insulators in the second parameter set are arranged in a descending order according to the numerical value of the ageing degree value to obtain an ageing degree table of the effective test composite insulators in the second parameter set, and the effective test composite insulators in the second parameter set are arranged in a descending order according to the numerical value of the performance attenuation value to obtain a performance attenuation table of the effective test composite insulators in the second parameter set;
each row in the aging degree table and the performance attenuation table is mapped with a first aging test parameter and a second aging test parameter of the effective test composite insulator;
the aging degree table and the performance attenuation table of the composite insulator in the first parameter set and the aging degree table and the performance attenuation table of the composite insulator in the second parameter set form a comprehensive aging state evaluation model of the composite insulator;
as a further scheme of the present invention, as shown in fig. 2, the server is further connected with a data comparison module, where the data comparison module is used for comparing the test conditions of multiple groups of effective test composite insulators adopting the first aging test parameters with multiple groups of effective test composite insulators adopting the second aging test parameters, and the comparison process specifically includes:
acquiring the obtained first parameter set and second parameter set;
traversing and comparing the aging degree value and the performance attenuation value of the effective test composite insulator in the first parameter set to obtain a maximum aging degree value, a minimum aging degree value, a maximum performance attenuation value and a minimum performance attenuation value of the effective test composite insulator in the first parameter set;
similarly, traversing and comparing the aging degree value and the performance attenuation value of the effective test composite insulator in the second parameter set to obtain a maximum aging degree value, a minimum aging degree value, a maximum performance attenuation value and a minimum performance attenuation value of the effective test composite insulator in the second parameter set;
comparing the maximum aging degree value and the minimum aging degree value of the effective test composite insulator in the first parameter set with the maximum aging degree value and the minimum aging degree value of the effective test composite insulator in the second parameter set, wherein the maximum aging degree value of the effective test composite insulator in the second parameter set is smaller than the minimum aging degree value of the effective test composite insulator in the first parameter set in practice;
similarly, the maximum performance attenuation value and the minimum performance attenuation value of the effective test composite insulator in the first parameter set are compared with the maximum performance attenuation value and the minimum performance attenuation value of the effective test composite insulator in the second parameter set, and in practice, there may be a case that the maximum performance attenuation value of the effective test composite insulator in the second parameter set is smaller than the minimum performance attenuation value of the effective test composite insulator in the first parameter set.
In the present application, if a corresponding calculation formula appears, the above calculation formulas are all dimensionality-removed and numerical calculation, and the size of the weight coefficient, the scale coefficient and other coefficients existing in the formulas is a result value obtained by quantizing each parameter, so long as the proportional relation between the parameter and the result value is not affected.
Referring to fig. 3, based on another concept of the same invention, a multi-factor aging test analysis method for a composite insulator material is now provided, and the analysis method specifically includes:
step S10, a user terminal inputs the product model of the composite insulator and sends the product model to a storage module, and the storage module sends regional environment data corresponding to the insulation fault of the composite insulator to an environment construction module according to the product model;
step S20, an environment construction module constructs a test environment of the composite insulator to obtain a plurality of groups of region temperature values and region humidity values of the composite insulator with the same product type when in insulation fault, traverses and compares the region temperature values of the plurality of groups of composite insulators when in insulation fault to obtain a region temperature upper limit value and a region temperature lower limit value of the composite insulator when in insulation fault, obtains a region temperature value interval of the composite insulator when in insulation fault according to the region temperature upper limit value and the region temperature lower limit value, and similarly obtains a region humidity value interval of the composite insulator when in insulation fault according to the steps, and feeds back the region temperature value interval and the region humidity value interval when in insulation fault to a server when in composite insulator ageing test to the fault reference interval when in composite insulator ageing test, wherein the server sends the fault reference interval when in composite insulator ageing test to a user terminal;
step S30, the user terminal sets a plurality of groups of first aging test parameters and a plurality of groups of second aging test parameters of the composite insulator according to the fault reference interval, and sends the first aging test parameters and the second aging test parameters to test equipment through a server, the test equipment combines the first aging test parameters and the second aging test parameters to conduct aging tests on a plurality of groups of composite insulators of the same product model, when the aging tests are actually conducted, a data acquisition module acquires real-time aging data and real-time performance data of the plurality of groups of composite insulators after the aging tests and sends the real-time aging data and the real-time performance data to the server, the server sends the real-time aging data to an aging analysis module, and the server sends the real-time performance data to a performance analysis module;
step S40, storing initial ageing data and initial performance data of composite insulators with different product types, analyzing ageing conditions of a plurality of groups of composite insulators after the ageing test by an ageing analysis module to obtain initial hardness, initial tensile strength and initial tearing strength of the composite insulators, obtaining real-time hardness, real-time tensile strength and real-time tearing strength of each group of composite insulators after the ageing test, subtracting the real-time hardness from the initial hardness to obtain a hardness reduction value of each group of composite insulators after the ageing test, and similarly, obtaining the tensile strength reduction value and the tearing strength reduction value of each group of composite insulators after the ageing test, calculating the ageing degree value of each group of composite insulators after the ageing test, feeding back the ageing degree value of each group of composite insulators after the ageing test to a server by the ageing analysis module, and sending the ageing degree value of each group of composite insulators after the ageing test to a model construction module by the server;
s50, analyzing performance conditions of a plurality of groups of composite insulators after the aging test by a performance analysis module, acquiring real-time hydrophobicity, real-time surface specific resistance and real-time volume specific resistance of each group of composite insulators after the aging test, acquiring initial hydrophobicity, initial surface specific resistance and initial volume specific resistance of the composite insulators, subtracting the real-time hydrophobicity from the initial hydrophobicity to obtain a hydrophobicity reduction value of each group of composite insulators after the aging test, and similarly, obtaining a surface specific resistance reduction value and a volume specific resistance reduction value of each group of composite insulators after the aging test, calculating a performance attenuation value of each group of composite insulators after the aging test, feeding back the performance attenuation value of each group of composite insulators after the aging test to a server by the performance analysis module, and sending the performance attenuation value of each group of composite insulators after the aging test to a model construction module by the server;
step S60, a model construction module constructs an aging state comprehensive evaluation model of the composite insulator, compares the aging degree value of the composite insulator after the aging test with the aging degree threshold value, compares the performance attenuation value of the composite insulator after the aging test with the performance attenuation threshold value, marks the composite insulator after the aging test as an effective test composite insulator if the aging degree value is larger than the aging degree threshold value or the performance attenuation value is larger than the performance attenuation threshold value, rejects the corresponding composite insulator after the aging test if the aging degree value is smaller than or equal to the aging degree threshold value and the performance attenuation value is smaller than or equal to the performance attenuation threshold value, divides a plurality of groups of effective test composite insulators into a first parameter set and a second parameter set according to the first aging test parameter and the second aging test parameter set, performs descending order of the effective test composite insulators in the first parameter set according to the numerical value of the aging degree value, obtains a first parameter set effective test composite insulator, performs descending order of the effective test composite insulators in the first parameter set according to the numerical value of the aging degree value, performs descending order of the effective test composite insulators in the first parameter set according to the numerical value of the effective test values in the second parameter set, and performs descending order of the effective test composite insulators in the first parameter set according to the numerical value of the effective attenuation value of the performance attenuation values in the first parameter set to the effective test order, and each row of the ageing degree table and the performance attenuation table is mapped with a first ageing test parameter and a second ageing test parameter of the effective test composite insulator, the ageing degree table and the performance attenuation table of the effective test composite insulator in the first parameter set, and the ageing degree table and the performance attenuation table of the effective test composite insulator in the second parameter set jointly form an ageing state comprehensive evaluation model of the composite insulator.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (7)
1. The multi-factor aging test analysis system for the composite insulator material comprises test equipment and a server and is characterized in that the server is connected with a storage module, an environment construction module, an aging analysis module, a data acquisition module, a model construction module, a performance analysis module and a user terminal, wherein the user terminal is used for inputting the product model of the composite insulator and sending the product model to the storage module through the server, and the storage module sends regional environment data corresponding to the insulation failure of the composite insulator to the environment construction module according to the product model;
the environment construction module is used for constructing the test environment of the composite insulator, a fault reference interval obtained in the ageing test of the composite insulator is sent to the user terminal through the server, the user terminal sets a plurality of groups of first ageing test parameters and a plurality of groups of second ageing test parameters of the composite insulator according to the fault reference interval and sends the first ageing test parameters and the second ageing test parameters to the test equipment through the server, and the test equipment combines the first ageing test parameters and the second ageing test parameters to carry out ageing tests on a plurality of groups of composite insulators of the same product model;
during the aging test, the data acquisition module is used for acquiring real-time aging data and real-time performance data of a plurality of groups of composite insulators after the aging test and transmitting the real-time aging data and the real-time performance data to the server, and the server transmits the real-time aging data to the aging analysis module and the real-time performance data to the performance analysis module;
the storage is also used for storing initial aging data and initial performance data of the composite insulators with different product models; the aging analysis module is used for analyzing the aging conditions of a plurality of groups of composite insulators after the aging test, and obtaining the aging degree value of each group of composite insulators after the aging test and sending the aging degree value to the model construction module through the server; the performance analysis module is used for analyzing the performance conditions of a plurality of groups of composite insulators after the aging test, and obtaining the performance attenuation value of each group of composite insulators after the aging test and sending the performance attenuation value to the model construction module through the server; the model construction module is used for constructing an aging state comprehensive evaluation model of the composite insulator.
2. The multi-factor aging test analysis system for composite insulator materials according to claim 1, wherein the regional environment data are regional temperature values and regional humidity values of the regions where the composite insulators of different product models are located in the event of insulation faults;
the real-time aging data are the real-time hardness, the real-time tensile strength and the real-time tearing strength of the multiple groups of composite insulators after the aging test;
the real-time performance data are the real-time hydrophobicity, the real-time surface specific resistance and the real-time volume specific resistance of the multiple groups of composite insulators after the aging test;
the initial aging data are the initial hardness, the initial tensile strength and the initial tearing strength of the composite insulator with different product types before aging;
the initial performance data are initial hydrophobicity, initial surface specific resistance and initial volume specific resistance of the composite insulator before aging of different product models.
3. The multi-factor aging test analysis system for composite insulator materials according to claim 2, wherein the construction process of the environment construction module is specifically as follows:
acquiring the regional temperature value and the regional humidity value of a plurality of groups of composite insulators with the same product type during insulation faults;
traversing and comparing the regional temperature values of a plurality of groups of composite insulators in the insulation fault state to obtain a regional temperature upper limit value and a regional temperature lower limit value of the composite insulators in the insulation fault state, and obtaining a regional temperature value interval of the composite insulators in the insulation fault state according to the regional temperature upper limit value and the regional temperature lower limit value;
similarly, obtaining a region humidity value interval of the composite insulator in the insulation fault according to the steps;
and taking the region temperature value interval and the region humidity value interval during insulation faults as fault reference intervals during the composite insulator aging test.
4. A multi-factor aging test analysis system for composite insulator materials according to claim 3, wherein the first aging test parameter and the second aging test parameter are set as follows:
acquiring a fault reference interval during an aging test of the composite insulator, and obtaining an area temperature value interval and an area humidity value interval of the composite insulator during insulation faults;
wherein, the zone temperature value interval is composed of a zone temperature lower limit value and a zone temperature upper limit value, and the zone humidity value interval is composed of a zone humidity lower limit value and a zone humidity upper limit value;
taking the lower zone temperature limit value and the lower zone humidity limit value, the lower zone temperature limit value and the upper zone humidity limit value, the upper zone temperature limit value and the lower zone humidity limit value or the upper zone temperature limit value and the upper zone humidity limit value as a group of first aging test parameters of the composite insulator;
setting a temperature value smaller than the upper limit value of the regional temperature and a humidity value smaller than the lower limit value of the regional humidity, setting a temperature value smaller than the upper limit value of the regional temperature and a humidity value larger than the upper limit value of the regional humidity, setting a temperature value larger than the upper limit value of the regional temperature and a humidity value smaller than the lower limit value of the regional humidity, or setting a temperature value larger than the upper limit value of the regional temperature and a humidity value larger than the upper limit value of the regional humidity as a set of second aging test parameters of the composite insulator.
5. The multi-factor aging test analysis system for composite insulator materials according to claim 4, wherein the aging analysis module comprises the following analysis processes:
acquiring initial hardness, initial tensile strength and initial tearing strength of the composite insulator;
then, acquiring the real-time hardness, the real-time tensile strength and the real-time tearing strength of each group of composite insulators after the aging test;
subtracting the real-time hardness from the initial hardness to obtain a hardness reduction value of each group of composite insulators after the aging test;
similarly, the tensile strength reduction value and the tearing strength reduction value of each group of composite insulators after the aging test are obtained;
and (5) calculating the aging degree value of each group of composite insulators after the aging test.
6. The multi-factor aging test analysis system for composite insulator materials according to claim 5, wherein the analysis process of the performance analysis module is specifically as follows:
acquiring the real-time hydrophobicity, the real-time surface specific resistance and the real-time volume specific resistance of each group of composite insulators after the aging test;
then obtaining the initial hydrophobicity, the initial surface specific resistance and the initial volume specific resistance of the composite insulator;
subtracting the real-time hydrophobicity from the initial hydrophobicity to obtain a hydrophobicity reduction value of each group of composite insulators after the ageing test;
and similarly, obtaining the surface specific resistance reduction value and the volume specific resistance reduction value of each group of composite insulators after the aging test;
and calculating the performance attenuation value of each group of composite insulators after the aging test.
7. The multi-factor aging test analysis system for composite insulator materials according to claim 6, wherein the model building module comprises the following building processes:
comparing the aging degree value of the composite insulator after the aging test with an aging degree threshold value, and comparing the performance attenuation value of the composite insulator after the aging test with the performance attenuation threshold value;
if the aging degree value is larger than the aging degree threshold value or the performance attenuation value is larger than the performance attenuation threshold value, marking the composite insulator after the aging test as an effective test composite insulator, and if the aging degree value is smaller than or equal to the aging degree threshold value and the performance attenuation value is smaller than or equal to the performance attenuation threshold value, rejecting the composite insulator after the corresponding aging test;
dividing a plurality of groups of effective test composite insulators into a first parameter set and a second parameter set according to the first aging test parameters and the second aging test parameters;
arranging the effective test composite insulators in the first parameter set in a descending order according to the numerical value of the aging degree value to obtain an aging degree table of the effective test composite insulators in the first parameter set;
similarly, arranging the effective test composite insulators in the first parameter set in a descending order according to the numerical value of the performance attenuation value to obtain a performance attenuation table of the effective test composite insulators in the first parameter set;
according to the steps, the effective test composite insulators in the second parameter set are arranged in a descending order according to the numerical value of the ageing degree value to obtain an ageing degree table of the effective test composite insulators in the second parameter set, and the effective test composite insulators in the second parameter set are arranged in a descending order according to the numerical value of the performance attenuation value to obtain a performance attenuation table of the effective test composite insulators in the second parameter set;
each row in the aging degree table and the performance attenuation table is mapped with a first aging test parameter and a second aging test parameter of the effective test composite insulator;
the aging degree table and the performance attenuation table of the composite insulator in the first parameter set and the aging degree table and the performance attenuation table of the composite insulator in the second parameter set form a comprehensive aging state evaluation model of the composite insulator.
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