CN117761413A - Cable charge test data storage method - Google Patents
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- 238000012545 processing Methods 0.000 claims description 19
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- 238000009825 accumulation Methods 0.000 claims description 6
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- 238000000265 homogenisation Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 5
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Abstract
The invention relates to the technical field of electric equipment detection and discloses a cable charge test data storage method, which is characterized in that a plurality of times of tests are carried out on a cable, so that tested data are more accurate, a user can compare a plurality of groups of data, the user can judge the insulativity of the cable more accurately through comparison, the cable can work normally, the tester can timely measure the current charge quantity through the pulse emitter and the charge tester arranged in the tester at the same time, the charge quantity can not change due to the influence of time and surrounding magnetic fields, the measured data are more accurate, errors are smaller, the data can be processed through a processor, and the user can further analyze and compare the data according to time and place and is easy to check.
Description
Technical Field
The invention relates to the technical field of power equipment detection, in particular to a cable charge test data storage method.
Background
With the development of society and the development of economy, the development of power equipment is also increasing, the power equipment is usually provided with insulating materials outside, the insulating materials are usually formed by multiple layers of composite insulating materials, for example, some cable joints are made of composite materials formed by rubber and polyethylene, some insulating materials are made of composite materials formed by oil immersed paper and oil gaps, different materials have different conductivities, and the danger of cables can be greatly reduced by using the multiple layers of materials for protection.
In the long-term operation of the power transmission cable, the power transmission cable is corroded by dust and water vapor in the air due to long-term exposure to the air, and is subjected to the action of electric heat, so that the surface of the cable is aged, the insulating material on the surface of the cable is damaged, the normal operation of the cable is influenced, the cable in a damaged state can bring a certain danger, the insulating state of the cable can be obtained by testing the electric charge on the surface of the insulating material of the cable, when the electric charge in the cable in the damaged state changes, the electric field in the cable changes, the electric charge on the surface of the insulating material can be influenced, when the electric charge on the surface of the insulating material is tested, a pulse signal is firstly generated and is applied to a cable sample to be tested, the cable sample to be tested discharges on the surface of the insulating material of the cable under the excitation of the pulse signal, and the electric charge accumulation is generated on the surface of the insulating material, then, the electric charge accumulated on the surface of the cable insulating material is measured, finally, the insulating performance of the cable is analyzed according to the measurement result, the electric charge of the cable is tested only once, the electric charge is not accurate enough, and because the pulse generating device and the electric charge testing device are divided into two parts and cannot be simultaneously carried out, certain errors exist when the electric charge is tested, and the errors of tested data and correct data are larger and larger along with the time and the electromagnetic interference, the final judgment is influenced, when the data are stored, the data of various data cannot be effectively stored, the data of which the storage is completed are complex, the data in fixed places and time are difficult to find, and the later processing work is difficult.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks of the prior art, the present invention provides a cable charge test data storage method, so as to solve the above-mentioned problems in the prior art.
11. The invention provides the following technical scheme: a cable charge test data storage method is characterized in that: comprises a controller, a detector, a processor, a memory and a display;
the specific operation steps comprise:
step one: turning on a power supply through a controller and controlling a detector to detect;
step two: detecting the cable to be detected through a tester, and transmitting detected data to a processor;
step three: the processor processes the data detected by the detector and transmits the original data and the processed data to the storage device for storage;
step four: reading the processed data in the storage through the display;
step five: checking the processed data and comparing the processed data with the original data to judge whether the processed data is wrong,
if the error exists, the manual processing can be carried out through the control processor;
step six: comparing the data of the multiple detection completion to obtain a final result;
the specific storage steps comprise:
s1, acquiring test data generation packets;
s2, acquiring the generation place and time of the test data;
s3, marking the place and time corresponding to the data;
s4, classifying and storing according to time and place;
the specific steps of data processing comparison in the steps are as follows:
a1, collecting a plurality of data voltage increases D n And several sets of cable thickness T n And n is specifically 1, 2 and 3..n, the data acquired by voltage amplification are respectively D1, D2 and D3 … Dn, the data acquired by cable thickness are respectively T1, T2 and T3 … Tn, and then the voltage is amplified by adopting a discrete Fourier change formula D n The data of (2) is preprocessed as follows:
at all complex index valuesIf all the values of (a) are calculated, N complex multiplications and N-1 complex additions are required to calculate one X (D). Calculating total N of all N points X (D) 2 Complex multiplication and complex addition N (N-1), i.e. the calculated amount is equal to N 2 Proportional to the ratio of the two;
performing homogenization treatment on cable thickness in a plurality of groups of data to remove maximum value and minimum value, wherein the method comprises the following steps of
The body is as follows:
a2, continuously collecting a plurality of groups of data, and processing in a mode A1 to finally obtain X (D) N ,H(T) N N represents the number of groups of acquired data;
A3X (D) obtained in A2 N 、H(T) N Performing summation homogenization treatment to remove maximum value and maximum value
Small values, specifically as follows:
wherein X (D) min 、X(D) max 、H(T) min And H (T) max Is not in the category of N;
a4, and then U in A3 p D is carried into an ideal pulse wave line formula for verification, and the method is concretely as follows
A5, the ideal pulse waveform graph is rectangular structure, repeating the steps from A1 to A4, obtaining a plurality of pulse waveform graphs by changing the current in the repeated steps, the number of charges tested in the step of gradually increasing the current is also gradually increased, connecting the intersection points of the plurality of pulse waveform graphs one by one,
and obtaining a detection model, and judging the insulativity of the cable through the detection model.
Further, the controller can control the switch of the circuit, control each component of the controller to work, so that the controller can perform testing, and a user can directly control the processor to process the data through the controller.
Further, the detector comprises a pulse generator and a charge tester, wherein the pulse generator can excite the surface of the insulating material to discharge, and generate charge accumulation on the surface of the insulating material, and then the charge tester measures the charge accumulated on the surface of the cable insulating material.
Further, the processor can process the data detected by the detector, convert the data into a numerical form, and store the data in the storage after the processing is completed.
Further, the storage is capable of storing data.
Further, the display can check the processed data, and the insulativity of the cable is judged by comparing the detection results of a plurality of times.
Furthermore, the S1 can process the data in the same item through the processor, so that the data in the same item becomes more simplified, the space occupied by the generated data is smaller, the reading and the one-step processing marking are convenient, the speed in the reading and the further processing can be improved,
further, the S2 may add the generated data tag type, so that the type of the tag can be more comprehensive, and the data can be more easily found.
Furthermore, the S3 marks the data and simultaneously arranges the values in the data, so that the data is more attractive, and the data of which cables are better can be clearly known.
Furthermore, the data stored in S4 may be displayed directly through the display, and need not be processed again, so that the reading speed is faster, and the storage path can be selected again for storage when the data is stored, so that a new data packet is generated, and the new data packet is not confused with the original data. The invention has the technical effects and advantages that:
1. according to the invention, the insulating layer on the surface of the cable can be tested through the tester, the pulse generator in the tester can send out a pulse signal, the cable sample to be tested discharges on the surface of the insulating material under the excitation of the pulse signal, and generates charge accumulation on the surface of the insulating material, then the charge tester measures the charge accumulated on the surface of the insulating material of the cable, and the charge tester measures the charge in real time, so that the charge on the insulating layer on the surface of the cable cannot be caused by delay, and the detection result and the correct value cannot be excessively different due to the interference of surrounding magnetic fields.
2. According to the invention, multiple groups of data can be analyzed through multiple times of measurement, and the final obtained result can be more accurate through the analysis of the multiple groups of data, so that the data can not become weak due to single detection, and the measured data can not have persuasion and influence on the correct result.
3. According to the invention, the processor can process the data, a group of more correct data can be obtained through screening, the data can be marked, a user can quickly find the data wanted by the user according to different marks through different marks, the user can add the marks by himself, the types of the marks are richer, the data can be found out more quickly, the occupied space of the data is smaller through screening, the user can limit the size of the data packet, the storage space can be reasonably utilized, the data cannot be difficult to read due to redundancy and overlarge of the data, meanwhile, the processor can arrange the data, the data is more attractive, and the user can clearly know the insulation performance of the cable according to the arranged data.
Drawings
FIG. 1 is a flow chart of the operation steps of the present invention.
FIG. 2 is a flow chart of a test data storage method according to the present invention.
FIG. 3 is a flow chart of the storage steps of the present invention.
Fig. 4 is a detailed diagram of the tester of the present invention.
Fig. 5 is an idealized pulse waveform diagram of the present invention.
Fig. 6 is a diagram of a plurality of pulse waveform diagram intersections of the present invention.
Detailed Description
The embodiments of the present invention will be described more fully hereinafter with reference to the accompanying drawings, in which the configuration of each structure described in the following embodiments is merely illustrative, and the cable charge test data storage method according to the present invention is not limited to each structure described in the following embodiments, but all other embodiments obtained by a person skilled in the art without making any inventive effort are within the scope of the present invention.
12. The invention provides a cable charge test data storage method, which is shown in figures 1-3 and comprises a controller, a detector, a processor, a storage and a display;
the specific operation steps comprise:
step one: turning on a power supply through a controller and controlling a detector to detect;
step two: detecting the cable to be detected through a tester, and transmitting detected data to a processor;
step three: the processor processes the data detected by the detector and transmits the original data and the processed data to the storage device for storage;
step four: reading the processed data in the storage through the display;
step five: checking the processed data and comparing the processed data with the original data to judge whether the processed data is wrong,
if the error exists, the manual processing can be carried out through the control processor;
step six: comparing the data of the multiple detection completion to obtain a final result;
the specific storage steps comprise:
s1, acquiring test data generation packets;
s2, acquiring the generation place and time of the test data;
s3, marking the place and time corresponding to the data;
s4, classifying and storing according to time and place;
the specific steps of data processing comparison in the steps are as follows:
a1, collecting a plurality of data voltage increases D n And several sets of cable thickness T n And n is specifically 1, 2 and 3..n, the data acquired by voltage amplification are respectively D1, D2 and D3 … Dn, the data acquired by cable thickness are respectively T1, T2 and T3 … Tn, and then the voltage is amplified by adopting a discrete Fourier change formula D n The data of (2) is preprocessed as follows:
at all complex index valuesIf all the values of (a) are calculated, N complex multiplications and N-1 complex additions are required to calculate one X (D). Calculating total N of all N points X (D) 2 Complex multiplication and complex addition N (N-1), i.e. the calculated amount is equal to N 2 Proportional to the ratio of the two;
carrying out homogenization treatment on cable thickness in a plurality of groups of data, and removing the maximum value and the minimum value, wherein the method comprises the following steps of:
a2, continuously collecting a plurality of groups of data, and processing in a mode A1 to finally obtain X (D) N ,H(T) N N represents the number of groups of acquired data;
A3X (D) obtained in A2 N 、H(T) N And carrying out summation homogenization treatment to remove the maximum value and the minimum value, wherein the method comprises the following steps:
wherein X (D) min 、X(D) max 、H(T) min And H (T) max Is not in the category of N;
a4, and then U in A3 p D is carried into an ideal pulse wave line formula for verification, and the method is concretely as follows
A5, the ideal pulse waveform diagram is of a rectangular structure, the steps A1 to A4 are repeated, a plurality of pulse waveform diagrams are obtained by changing the current in the repeated steps, the number of charges tested in the step of gradually increasing the current is also gradually increased, the intersection points of the plurality of pulse waveform diagrams are connected one by one to obtain a detection model, and the insulation property of the cable is judged through the detection model;
the specific way to increase the pulse current is as follows:
when detecting an area, the gradient of the test current is changed at the same point to detect the cable, the gradient is in an incremental mode, a pulse waveform chart is obtained according to the detection result, a plurality of pulse waveform charts are obtained through detection for a plurality of times, the pulse waveform charts are connected, if the curve generated by connecting a plurality of groups of data obtained through the test is closer to the straight line, the service life of the cable is longer, otherwise, the cable is damaged to a certain extent, a large amount of data is obtained through a large amount of tests by the test method, and the finally obtained data is more persuasive through removing the oversized and undersized data, so that the test result is more accurate and is closer to the real condition.
In a preferred embodiment, the controller is capable of controlling the switching of the circuit, controlling the operation of its various components so that it can be tested, and the user can directly control the processor to process the data via the controller.
As shown in fig. 4, the detector includes a pulse generator and a charge tester, the pulse generator is capable of exciting the surface of its insulating material to discharge and generate charge accumulation on the surface of the insulating material, and then measuring the charge accumulated on the surface of the insulating material of the cable by the charge tester.
In a preferred embodiment, the processor is capable of processing the data detected by the detector and converting the data into a numerical form, and storing the data in the memory after the processing is completed.
In a preferred embodiment, the reservoir is capable of storing data.
In a preferred embodiment, the display is capable of viewing the processed data and determining the insulation of the cable by comparing the results of the multiple tests.
In a preferred embodiment, S1 can process the data in the same item through a processor, so that the data in the same item is more simplified, the space occupied by the generated data is smaller, the reading and the one-step processing marking are convenient, the speed of the reading and the further processing can be improved,
in a preferred embodiment, S2 may add to the type of data tag generated, enabling the type of tag to be more comprehensive and the data to be more easily found.
In a preferred embodiment, S3 marks the data and also aligns the size of the values in the data, so that the data is more beautiful and it can clearly know which cables are better.
In a preferred embodiment, the data stored in S4 may be displayed directly by the display, and need not be processed again, so that the reading speed is faster, and the storage path can be selected again for storage when the data is stored, so that a new data packet is generated, and the new data packet is not confused with the original data.
The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
finally: the foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. A cable charge test data storage method is characterized in that: comprises a controller, a detector, a processor, a memory and a display;
the specific operation steps comprise:
step one: turning on a power supply through a controller and controlling a detector to detect;
step two: detecting the cable to be detected through a tester, and transmitting detected data to a processor;
step three: the processor processes the data detected by the detector and transmits the original data and the processed data to the storage device for storage;
step four: reading the processed data in the storage through the display;
step five: checking the processed data and comparing the processed data with the original data to judge whether the processed data is wrong,
if the error exists, the manual processing can be carried out through the control processor;
step six: comparing the data of the multiple detection completion to obtain a final result;
the specific storage steps comprise:
s1, acquiring test data generation packets;
s2, acquiring the generation place and time of the test data;
s3, marking the place and time corresponding to the data;
s4, classifying and storing according to time and place;
the specific steps of data processing comparison in the steps are as follows:
a1, collecting a plurality of data voltage increases D n And several sets of cable thickness T n And n is specifically 1, 2 and 3..n, the data acquired by voltage amplification are respectively D1, D2 and D3 … Dn, the data acquired by cable thickness are respectively T1, T2 and T3 … Tn, and then the voltage is amplified by adopting a discrete Fourier change formula D n The data of (2) is preprocessed as follows:
at all complex index valuesIf all the values of (a) are calculated, N complex multiplications and N-1 complex additions are required to calculate one X (D). All N points X (D)) Co-requirement N 2 Complex multiplication and complex addition N (N-1), i.e. the calculated amount is equal to N 2 Proportional to the ratio of the two;
carrying out homogenization treatment on cable thickness in a plurality of groups of data, and removing the maximum value and the minimum value, wherein the method comprises the following steps of:
a2, continuously collecting a plurality of groups of data, and processing in a mode A1 to finally obtain X (D) N ,H(T) N ，
N represents the number of groups of acquired data;
A3X (D) obtained in A2 N 、H(T) N And carrying out summation homogenization treatment to remove the maximum value and the minimum value, wherein the method comprises the following steps:
wherein X (D) min 、X(D) max 、H(T) min And H (T) max Is not in the category of N;
a4, and then U in A3 p D is carried into an ideal pulse wave line formula for verification, and the method is concretely as follows
A5, the ideal pulse waveform graph is rectangular structure, repeating the steps A1 to A4, obtaining a plurality of pulse waveform graphs by changing the current in the repeated steps, the number of charges tested in the step of increasing the current gradually increases, connecting the intersection points of the plurality of pulse waveform graphs one by one,
and obtaining a detection model, and judging the insulativity of the cable through the detection model.
2. A method of cable charge test data storage according to claim 1, wherein: the controller can control the switch of the circuit, control each component of the circuit to work, so that the circuit can be tested, a user can directly control the processor to process data through the controller, the controller can adjust the test frequency of the tester, the controller can adjust the test frequency according to the needs of the user, the tester can work better, the data can be modified through the controller, and the data can be further classified through the controller.
3. A method of cable charge test data storage according to claim 1, wherein: the detector comprises a pulse generator and a charge tester, wherein the pulse generator can excite the surface of an insulating material to discharge, and generate charge accumulation on the surface of the insulating material, then the charge accumulated on the surface of the insulating material of the cable is measured through the charge tester, and the charge on an insulating layer on the surface of the cable is measured in real time through the charge tester, so that the detection result and the correct value are not excessively different due to the interference of surrounding magnetic fields, the frequency tested by the tester is controlled, the tester can perform multiple measurements, a group of data can be obtained, the analysis can be performed according to the multiple measurement result, the data cannot be inaccurate due to single measurement, and the final output data can be more accurate.
4. A method of cable charge test data storage according to claim 1, wherein: the processor can process the data detected by the detector and convert the data into a numerical form, the data is stored in the storage after the data are processed, the processor obtains a group of more correct data through screening, removes some data which are too complex and obviously wrong, marks the data, enables a user to quickly find the data which the user wants according to different marks, adds the marks by the user, enables the types of the marks to be richer, enables the data to be found more quickly, enables the occupied space of the data to be smaller through screening, enables the user to limit the size of a data packet, enables the storage space to be reasonably utilized, and cannot be difficult to read due to redundancy and oversized data.
5. A method of cable charge test data storage according to claim 1, wherein: the storage device can store data, and the storage device can be easily disassembled, installed and transmitted, so that the data can be easily shared, the data can be easily copied, the data cannot be checked and analyzed due to the fact that the data is separated from the storage device and the distance is avoided, the storage space of the storage device can be partitioned, the data can not be more complicated due to accumulation of the data, and different data can be separated by independent distinction and confusion cannot occur.
6. A method of cable charge test data storage according to claim 1, wherein: the display can check the processed data, judge the insulativity of the cable by comparing detection results for a plurality of times, directly read the data in the memory, search the data according to the data which is thought of by the user, quickly read the data which is wanted by the user according to the set mark, and mark the data again by the user, modify the data, so that the user can directly check the wanted data next time, the data which is not needed to be searched because of excessive marked data is not needed, a mark catalog is generated in the data, and the user can quickly position the data which is wanted to be checked according to the catalog.
7. A method of cable charge test data storage according to claim 1, wherein: the S1 can process the data in the same item through the processor, so that the data in the same item becomes more simplified, the space occupied by the generated data is smaller, the data can be conveniently read and marked by one-step processing, and the speed in the process of reading and further processing can be improved.
8. A method of cable charge test data storage according to claim 1, wherein: the S2 may add to the type of data tag generated, enabling the type of tag to be more comprehensive and the data to be found more easily.
9. A method of cable charge test data storage according to claim 1, wherein: and S3, the data are marked and the numerical values in the data are arranged, so that the data are more attractive, and the data of which cables are better can be clearly known.
10. A method of cable charge test data storage according to claim 1, wherein: the data stored in the S4 can be directly displayed through the display without reprocessing, so that the reading speed is faster, a storage path can be reselected for storage when the data is stored, and a new data packet is generated, so that the data packet cannot be confused with the original data.
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