CN110514960A - A kind of cable fault locating platform - Google Patents
A kind of cable fault locating platform Download PDFInfo
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- CN110514960A CN110514960A CN201910787370.7A CN201910787370A CN110514960A CN 110514960 A CN110514960 A CN 110514960A CN 201910787370 A CN201910787370 A CN 201910787370A CN 110514960 A CN110514960 A CN 110514960A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
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- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/083—Locating faults in cables, transmission lines, or networks according to type of conductors in cables, e.g. underground
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- G06F21/6209—Protecting access to data via a platform, e.g. using keys or access control rules to a single file or object, e.g. in a secure envelope, encrypted and accessed using a key, or with access control rules appended to the object itself
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- G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
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Abstract
The present invention provides a kind of cable fault locating platforms, comprising: fault detection end is set on cable run；Fault detection end, including multiple fault location modules obtain the detection information of cable, and transmit to network side server；Network side server, comprising: control module receives the detection information of fault detection end transmission by the first wireless communication module, and to fault analysis and diagnosis module transfer；Fault analysis and diagnosis module carries out analyzing and diagnosing to detection information, obtains the fault message of cable, and transmit to control module and repair message recommending module；Repair message recommending module obtains repair message corresponding with fault message according to fault message from repair message recommending module, and repair message is transmitted to control module；Control module is shown the repair message that fault message and repair message recommending module that fault analysis and diagnosis module obtains obtain to monitoring terminal transmission by the first wireless communication module.
Description
Technical Field
The invention relates to the technical field of cable monitoring, in particular to a cable fault positioning platform.
Background
A cable, comprising: power cables, control cables, compensation cables, shielded cables, high temperature cables, computer cables, signal cables, mining cables, aluminum alloy cables, and the like. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like.
With the continuous development of society, people rely on resources such as electric energy and information more and more, so that monitoring of power cables and data cables for transmitting electric energy and information is more necessary. At present, the detection of the cable is generally carried out manually, a large amount of manpower is consumed, and meanwhile, the detection efficiency of the cable is low.
Therefore, a cable fault location platform is provided.
Disclosure of Invention
In order to solve the technical problem, the invention provides a cable fault positioning platform for realizing fault detection of a cable.
The embodiment of the invention provides a cable fault positioning platform which comprises a fault detection end, a network side server and a monitoring terminal; wherein,
the fault detection end is arranged on the cable line; the fault detection end comprises a plurality of fault positioning modules, and the fault positioning modules are used for acquiring the detection information of the cable and transmitting the detection information to the network side server;
the network side server comprises a control module, a first wireless communication module, a fault analysis and diagnosis module and a maintenance information recommendation module; wherein,
the control module is used for receiving the detection information transmitted by the fault detection terminal through the first wireless communication module and transmitting the detection information to the fault analysis and diagnosis module; the fault analysis and diagnosis module is used for analyzing and diagnosing the detection information, acquiring fault information of the cable and transmitting the fault information to the control module and the maintenance information recommendation module; the maintenance information recommending module is used for acquiring maintenance information corresponding to the fault information from the maintenance information recommending module according to the fault information and transmitting the maintenance information to the control module; the control module is used for transmitting the fault information acquired by the fault analysis and diagnosis module and the maintenance information acquired by the maintenance information recommendation module to the monitoring terminal through the first wireless communication module;
and the monitoring terminal is used for displaying the fault information and the maintenance information transmitted by the network side server to a worker.
In one embodiment, the fault detection terminal further comprises a main control module, a temperature detection module, a humidity detection module, a flame sensor module and a second wireless communication module for transmission; the temperature detection module is used for acquiring the temperature information of the cable and transmitting the temperature information to the main control module; the humidity detection module is used for acquiring humidity information of the cable and transmitting the humidity information to the main control module; the flame sensor module is used for acquiring flame information of the cable and transmitting the flame information to the main control module; the main control module is used for transmitting the temperature information, the humidity information and the flame information to the network side server through the second wireless communication module;
and the control module of the network side server receives the temperature information, the humidity information and the flame information transmitted by the fault detection terminal through the first wireless communication module, and transmits the temperature information, the humidity information and the flame information to the monitoring terminal through the first wireless communication module for displaying.
In an embodiment, the control module of the network side server is further configured to compare the temperature information, the humidity information, and the flame information transmitted by the fault detection end with temperature threshold information, humidity threshold information, and flame threshold information preset in the control module, respectively, and when the temperature information exceeds the temperature threshold information, or the humidity information exceeds the humidity threshold information, or the flame information exceeds the flame threshold information, the control module transmits alarm information to the monitoring terminal through the first wireless communication module.
In one embodiment, the monitoring terminal further comprises an alarm module;
the monitoring terminal is used for alarming through the alarm module when receiving the alarm information transmitted by the network side server;
the alarm module comprises an audible and visual alarm or an LED lamp alarm.
In one embodiment, the first wireless communication module or the second wireless communication module comprises one or more of a 4G communication module, an NB-loT communication module and a ZigBee communication module.
In one embodiment, the fault detection terminal further comprises a video monitoring module; the video monitoring module is used for acquiring video information of the cable;
the monitoring terminal also comprises an instruction transmission module and a display module; the instruction transmission module is used for receiving a video acquisition instruction input by a worker and transmitting the video acquisition instruction to the network side server; the network side server transmits the video acquisition instruction transmitted by the monitoring terminal to the fault detection terminal; the fault detection terminal is used for acquiring the video information of the cable through the video monitoring module when receiving the video acquisition instruction transmitted by the network side server, and transmitting the video information to the monitoring terminal through the network side server;
and the monitoring terminal is used for transmitting and displaying the received video information to the display module.
In one embodiment, the network side server further comprises a storage module and a clock module;
the control module of the network side server is used for transmitting the detection information received by the first wireless communication module to the storage module for storage; the method comprises the following specific steps:
the storage module is used for transmitting a time acquisition instruction to the clock module when receiving the detection information transmitted by the control module; the clock module is used for transmitting the acquired current time information to the storage module when receiving the time acquisition instruction transmitted by the storage module;
the storage module is further used for creating a file storage area with the same size as the detection information file according to the file size of the detection information and storing the detection information in the file storage area;
the storage module is also used for extracting summary information of the detection information; merging the summary information and the current time information transmitted by the clock module to generate and store file name information of the file storage area;
the storage module is further used for identifying the file type of the detection information stored in the file storage area, and when the file type of the detection information is identified to be a numerical value type file, the detection information is encrypted and stored by adopting a first encryption algorithm; when the file type of the detection information is identified to be a text type file, encrypting and storing the detection information by adopting a second encryption algorithm;
the first encryption algorithm or the second encryption algorithm comprises one or more of a DES encryption algorithm, an equivalent encryption algorithm, a digital signature encryption algorithm and a storage encryption algorithm.
In one embodiment, the monitoring terminal comprises one or more of a smart phone, a personal computer or a palm computer with communication function.
In one embodiment, the process of analyzing and diagnosing the detection information by the fault analyzing and diagnosing module includes the following steps:
step S1, substituting the detection information of the cable acquired by each fault positioning module into a formula (1) to calculate the loss current of the cable at the fault positioning module;
wherein Is the resulting loss current, k Is the twiddle factor, representing a 90 ° rotation, γ Is the relative dielectric constant, R Is the cable radius,the insulation thickness of the cable is shown, U is voltage, and x is current fluctuation frequency with the unit of time/s;
step S2, obtaining Q1 current basic information indexes of the fault positioning module, wherein the values of the Q1 indexes are all numerical values to form a basic information vector C;
step S3, a fault database exists in the fault analysis module, the fault database has N2 pieces of environmental information data of the cable acquired by the fault location module when no fault exists, each piece of data contains Q1 detection information indexes, the Q1 detection information indexes are in one-to-one correspondence with Q1 indexes of the current basic information of the fault positioning module, Q1 indexes of the N2 pieces of data are used for constructing a fault matrix J, the matrix J comprises N2 rows and Q1 columns, the N2 rows represent environmental information data of cables acquired by N2 fault location modules without faults, the Q1 column represents Q1 indexes corresponding to each piece of environmental information data, the value of the arbitrary position represents a numerical value of the environmental information data of the cable acquired by the fault positioning module corresponding to the row of the position in the index corresponding to the column, and each piece of data is labeled with the loss current corresponding to the piece of data;
step S4, carrying out non-difference processing on the data by using a formula (2);
wherein, C1jIs the j values of the vector C1, i.e. is the pair of basic information CjValue after non-differential processing, CjThe value of the jth index of the base information vector C, min () is the minimum value in parentheses, max () is the maximum value in parentheses, J1i2,jIs the value of the i2 th row J column of the matrix J1, i.e., is the value of the matrix Ji2,jAfter non-differential treatmentValue of (d), Ji2,jThe J-th index of the i 2-th environmental information data of the fault matrix J is the value of the J-th row and the J-column of the i2 of the matrix J, and J is 1, 2, 3 … … Q1; i2 ═ 1, 2, 3 … … N2;
step S4, calculating the matching degree of the current basic information and each piece of data in the fault database by using a formula (3);
wherein d isiMatching degree of current basic information and ith data in fault database, J1i,jIs the value of the ith row and J column of the matrix J1, i.e., is the value of the matrix Ji,jValue after non-difference processing, C1j1Is the value of j1 of the vector C1, i.e. is the pair of basic information Cj1Value after non-differential treatment, J1i,j1J1i,j1Is the value of the ith row, J1 column of the matrix J1, i.e., is the value of the matrix Ji,j1Values after no difference treatment, wherein i is 1, 2, 3 … … N2, and j1 is 1, 2, 3 … … Q1;
step S5, K fault data corresponding to K values with the maximum matching degree are selected, K is a preset value, loss current corresponding to the data marked by the K data is obtained, whether the loss current obtained by the formula (1) is larger than the minimum value of the loss current corresponding to the data marked by the obtained K data and smaller than the maximum value of the loss current corresponding to the data marked by the obtained K data is judged, if yes, the cable at the position corresponding to the fault positioning module has no fault, and otherwise, the cable at the position corresponding to the fault positioning module has a fault.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
Fig. 1 is a schematic structural diagram of a cable fault location platform provided in the present invention;
FIG. 2 is a schematic structural diagram of a fault detection end of a cable fault location platform according to the present invention;
FIG. 3 is a schematic structural diagram of a video monitoring module of a cable fault location platform according to the present invention;
fig. 4 is a schematic structural diagram of a storage module of a cable fault location platform according to the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The embodiment of the invention provides a cable fault positioning platform, which comprises a fault detection end 11, a network side server 12 and a monitoring terminal 13, as shown in fig. 1; wherein,
the fault detection end 11 is arranged on the cable line; the fault detection terminal 11 comprises a plurality of fault location modules 111, and the plurality of fault location modules 111 are used for acquiring detection information of the cable and transmitting the detection information to the network side server 12;
the network side server 12 comprises a control module 121, a first wireless communication module 122, a fault analysis and diagnosis module 123 and a maintenance information recommendation module 124; wherein,
the control module 121 is configured to receive the detection information transmitted by the fault detection terminal 11 through the first wireless communication module 122, and transmit the detection information to the fault analysis and diagnosis module 123; the fault analysis and diagnosis module 123 is configured to perform analysis and diagnosis on the detection information, acquire fault information of the cable, and transmit the fault information to the control module 121 and the maintenance information recommendation module 124; the maintenance information recommending module 124 is used for acquiring maintenance information corresponding to the fault information from the maintenance information recommending module according to the fault information and transmitting the maintenance information to the control module 121; a control module 121, configured to transmit the fault information acquired by the fault analysis and diagnosis module 123 and the maintenance information acquired by the maintenance information recommendation module 124 to the monitoring terminal 13 through the first wireless communication module 122;
and the monitoring terminal 31 is used for displaying the fault information and the maintenance information transmitted by the network side server 12 to a worker.
The working principle of the cable fault positioning platform is as follows: the multiple fault location modules 111 of the fault detection end 11 on the cable line transmit the acquired detection information of the cable to the network side server 12; when the control module 121 of the network side server 12 receives the detection information transmitted by the fault detection terminal 11 through the first wireless communication module 122, the control module transmits the detection information to the fault analysis and diagnosis module 123; the fault analysis and diagnosis module 123 analyzes and diagnoses the detection information to obtain fault information of the cable, and transmits the fault information to the control module 121 and the maintenance information recommendation module 124; the maintenance information recommending module 124 acquires maintenance information corresponding to the fault information from the maintenance information recommending module according to the fault information, and transmits the maintenance information to the control module 121; the control module 121 transmits the fault information acquired by the fault analysis and diagnosis module 123 and the maintenance information acquired by the maintenance information recommendation module 124 to the monitoring terminal 13 through the first wireless communication module 122 for display.
Above-mentioned cable fault location platform's beneficial effect lies in: the detection of the cable line is realized through the fault detection end, and the acquired detection information is transmitted to a network side server; the acquisition of the fault information and the maintenance recommendation information of the cable according to the detection information is realized through a fault analysis and diagnosis module and a maintenance information recommendation module of the network side server, and the acquired fault information and the maintenance recommendation information are transmitted to and displayed by a worker at the monitoring terminal; the cable fault detection is realized, the fault information and the maintenance recommendation information are transmitted to the staff for display, and the staff can further carry out maintenance on the cable line according to the fault information and the maintenance recommendation information of the cable; the inconvenience of manual cable detection in the traditional technology is solved, and therefore the cable detection efficiency and the cable maintenance processing efficiency are effectively improved.
In one embodiment, the fault detection terminal 11, as shown in fig. 2, further includes a main control module 21, a temperature detection module 22, a humidity detection module 23, a flame sensor module 24, and a second wireless communication module 25; the temperature detection module 22 is used for acquiring temperature information of the cable and transmitting the temperature information to the main control module 21; the humidity detection module 23 is used for acquiring humidity information of the cable and transmitting the humidity information to the main control module 21; the flame sensor module 24 is used for acquiring flame information of the cable and transmitting the flame information to the main control module 21; the main control module 21 is configured to transmit the temperature information, the humidity information, and the flame information to the network-side server 12 through the second wireless communication module 25;
the control module 121 of the network side server 12 receives the temperature information, the humidity information, and the flame information transmitted by the fault detection terminal 11 through the first wireless communication module 122, and transmits and displays the temperature information, the humidity information, and the flame information to the monitoring terminal 13 through the first wireless communication module 122. In the above technical solution, the temperature detection module 22, the humidity detection module 23, and the flame sensor module 24 of the fault detection terminal 11 are used to detect the temperature information, the humidity information, and the flame information of the cable, and the transmission to the network side server 12 is realized through the main control module 21 and the second wireless communication module 25 of the fault detection terminal 11; the control module 121 of the network side server 12 transmits the temperature information, the humidity information, and the flame information to the monitoring terminal 13 through the first wireless communication module 122 for display, so that the staff at the monitoring terminal 13 can detect the temperature information, the humidity information, and the flame information of the cable in real time.
In an embodiment, the control module 121 of the network-side server 12 is further configured to compare the temperature information, the humidity information, and the flame information transmitted by the fault detection end 11 with temperature threshold information, humidity threshold information, and flame threshold information preset in the control module 121, and when the temperature information exceeds the temperature threshold information, or the humidity information exceeds the humidity threshold information, or the flame information exceeds the flame threshold information, the control module 121 transmits alarm information to the monitoring terminal 13 through the first wireless communication module 122. In the above technical solution, the temperature information, the humidity information, the flame information transmitted by the fault detection terminal 11 are compared with the temperature threshold information, the humidity threshold information, and the flame threshold information preset in the control module 121, so that the automatic detection of the cable temperature, the humidity, and the flame information is realized, and when the temperature information exceeds the temperature threshold information, or the humidity information exceeds the humidity threshold information, or the flame information exceeds the flame threshold information, the alarm information is transmitted to the monitoring terminal 13 through the control module 121 and the first wireless communication module 122, thereby realizing the automatic alarm function of the cable fault positioning platform.
In one embodiment, the monitoring terminal 13 further includes an alarm module 131;
the monitoring terminal 13 is configured to alarm through the alarm module 131 when receiving the alarm information transmitted by the network side server 12; when the monitoring terminal 13 receives the alarm information, the alarm module 131 gives an alarm to the staff, so that the staff is reminded to process in time.
The alarm module 131 includes an audible and visual alarm or an LED lamp alarm. In the above technical solution, the function of the alarm module 131 is realized by various alarm devices.
In one embodiment, the first wireless communication module or the second wireless communication module includes one or more of a 4G communication module, an NB-loT communication module, and a ZigBee communication module. In the above technical solution, the communication functions of the first wireless communication module and the second wireless communication module are realized through multiple communication modes.
In one embodiment, the fault detection terminal 11, as shown in fig. 3, further includes a video monitoring module 31; the video monitoring module 31 is used for acquiring video information of the cable;
the monitoring terminal 13 further comprises an instruction transmission module 32 and a display module 33; the instruction transmission module 32 is configured to receive a video acquisition instruction input by a worker, and transmit the video acquisition instruction to the network-side server 12; the network side server 12 transmits the video acquisition instruction transmitted by the monitoring terminal 13 to the fault detection terminal 11; the fault detection terminal 11 is configured to, when receiving a video acquisition instruction transmitted by the network side server 12, acquire video information of the cable through the video monitoring module, and transmit the video information to the monitoring terminal 13 through the network side server 12;
and the monitoring terminal 13 is used for transmitting and displaying the received video information to the display module 32. In the above technical solution, when a worker at the monitoring terminal 13 needs to acquire video information of a cable, a video acquisition instruction is transmitted to the instruction transmission module 32 of the monitoring terminal 13, the instruction transmission module 32 transmits the video acquisition instruction to the fault detection terminal 11 through the network side server 12, and when the fault detection terminal 11 receives the transmitted video acquisition instruction, the video information of the cable acquired by the video monitoring module 32 is transmitted to the monitoring terminal 13 through the network side server 12 and is displayed to the worker through the display module 32 of the monitoring terminal 13; therefore, the staff can acquire the video information of the cable by operating the monitoring terminal 13.
In one embodiment, the network-side server 12, as shown in fig. 4, further includes a storage module 41 and a clock module 42;
the control module 121 of the network side server is configured to transmit and store the detection information received by the first wireless communication module 122 to the storage module 41; the method comprises the following specific steps:
the storage module 41 is configured to transmit a time obtaining instruction to the clock module 42 when receiving the detection information transmitted by the control module 121; the clock module 42 is configured to transmit the acquired current time information to the storage module 41 when receiving the time acquisition instruction transmitted by the storage module 41;
the storage module 41 is further configured to create a file storage area with the same size as the detection information file according to the file size of the detection information, and store the detection information in the file storage area;
the storage module 41 is further configured to extract summary information of the detection information; merging the summary information and the current time information transmitted by the clock module to generate and store file name information of the file storage area;
the storage module 41 is further configured to identify a file type of the detection information stored in the file storage area, and when the file type of the detection information is identified as a numerical value type file, encrypt and store the detection information by using a first encryption algorithm; when the file type of the detection information is identified to be a file type file, carrying out encryption storage on the detection information by adopting a second encryption algorithm;
the first encryption algorithm or the second encryption algorithm comprises one or more of a DES encryption algorithm, an equivalent encryption algorithm, a digital signature encryption algorithm and a save encryption algorithm. In the above technical solution, the storage module 41 creates a file storage area with the same size as the detection information file according to the file size of the detection information transmitted by the control module 121, so as to store the detection information in the file storage area; generating file name information of a file storage area according to the summary information of the stored detection information and the current time information acquired by the clock module, thereby realizing the storage of the detection information by the storage module 41; and the detection information of different file types in the storage module is encrypted and stored by adopting the first encryption algorithm and the second encryption algorithm, so that the safety of the storage module 41 for storing the detection information is improved.
In one embodiment, the monitoring terminal comprises one or more of a smart phone, a personal computer or a palm computer with communication function. According to the technical scheme, the functions of the monitoring terminal are realized through various electronic devices.
In one embodiment, the process of analyzing and diagnosing the detection information by the fault analyzing and diagnosing module includes the following steps:
step S1, substituting the detection information of the cable acquired by the fault positioning module into a formula (1) to calculate the loss current of the cable at the fault positioning module aiming at each fault positioning module;
wherein Is the resulting loss current, k Is the twiddle factor, representing a 90 ° rotation, γ Is the relative dielectric constant, R Is the cable radius,the insulation thickness of the cable is shown, U is voltage, and x is current fluctuation frequency with the unit of time/s;
s2, obtaining Q1 current basic information indexes of the fault positioning module, wherein the values of the Q1 indexes are all numerical values to form a basic information vector C;
the Q1 basic information indicators include: index information such as the temperature of the environment where the fault positioning module is located, the humidity of the environment where the fault positioning module is located, the position of a cable circuit where the fault positioning module is located, the material of the cable, the radius of the cable, the insulation thickness of the cable and the like;
digitizing, in which the value of the index originally represented as a numerical value is not changed, and the value of the index originally not represented as a numerical value is represented as a numerical value, for example, the cable material may be AVR, AVRB, AVRs, or the like, and then AVR may be represented as 1, AVRB may be represented as 2, and AVRs may be represented as 3;
in the step of S3, a fault analysis module is provided with a fault database, the fault database is provided with environment information data of cables acquired by N2 fault positioning modules when no fault exists, each data contains Q1 detection information indexes, Q1 detection information indexes correspond to Q1 indexes of current basic information of the fault positioning module one by one, Q1 indexes of N2 data construct a fault matrix J, the matrix J contains N2 rows and Q1 columns, N2 rows represent environment information data of cables acquired by N2 fault positioning modules when no fault exists, Q1 columns represent Q1 indexes corresponding to each piece of environment information data, values of any position represent numerical values of indexes of the environment information data of the cables acquired by the fault positioning modules corresponding to the rows of the position corresponding to the columns, and each piece of data also marks loss current corresponding to the piece of data;
step S4, carrying out non-difference processing on the data by using the formula (2);
wherein, C1jIs the j values of the vector C1, i.e. is the pair of basic information CjValue after non-differential processing, CjThe value of the jth index of the base information vector C, min () is the minimum value in parentheses, max () is the maximum value in parentheses, J1i2,jIs the value of the i2 th row J column of the matrix J1, i.e., is the value of the matrix Ji2,jValue after non-difference processing, Ji2,jThe J-th index of the i 2-th environmental information data of the fault matrix J is the value of the J-th row and the J-column of the i2 of the matrix J, and J is 1, 2, 3 … … Q1; i2 ═ 1, 2, 3 … … N2;
by using the formula (2), the numerical value can be prevented from having great difference due to different units of various indexes, and the difference due to different measurement scales of each index can be avoided, so that the numerical value for calculation has comparability, and the obtained result is more scientific.
Step S4, calculating the matching degree of the current basic information and each piece of data in the fault database by using a formula (3);
wherein d isiMatching degree of current basic information and ith data in fault database, J1i,jIs the value of the ith row and J column of the matrix J1, i.e., is the value of the matrix Ji,jValue after non-difference processing, C1j1Is the value of j1 of the vector C1, i.e. is the pair of basic information Cj1Value after non-differential treatment, J1i,j1J1i,j1Is the value of the ith row, J1 column of the matrix J1, i.e., is the value of the matrix Ji,j1Values after no difference treatment, wherein i is 1, 2, 3 … … N2, and j1 is 1, 2, 3 … … Q1;
step S5, K fault data corresponding to K values with the maximum matching degree are selected, K is a preset value, loss current corresponding to the data marked by the K data is obtained, whether the loss current obtained by the formula (1) is larger than the minimum value of the loss current corresponding to the data marked by the obtained K data and smaller than the maximum value of the loss current corresponding to the data marked by the obtained K data is judged, if yes, the cable at the position corresponding to the fault positioning module has no fault, and if not, the cable at the position corresponding to the fault positioning module has a fault.
Has the advantages that: (1) according to the technical scheme, the position of the cable with a fault can be intelligently judged.
(2) By the aid of the technology, the loss current can be obtained according to the detection information acquired by the fault positioning module, and whether the cable breaks down or not is judged according to the loss current.
(3) In the judgment process, not only the self basic information of the cable is considered, but also factors such as environment and the like are considered, and the accuracy of the obtained result is improved.
(4) By using the formula (2), the numerical value can be prevented from having great difference due to different units of various indexes, and the difference due to different measurement scales of each index can be avoided, so that the numerical value for calculation has comparability, and the obtained result is more scientific.
(5) When whether a fault exists in the cable is determined, the loss current corresponding to the data with the maximum matching degree is not simply judged, but is used as a judgment standard according to the maximum K value, and therefore the problem that the result is not ideal due to the error of certain data is avoided.
(6) The process in the technical scheme does not need manual intervention, and the intelligent processing of a machine can be completely realized, so that the workload is greatly reduced.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. A cable fault positioning platform is characterized by comprising a fault detection end, a network side server and a monitoring terminal; wherein,
the fault detection end is arranged on the cable line; the fault detection end comprises a plurality of fault positioning modules, and the fault positioning modules are used for acquiring the detection information of the cable and transmitting the detection information to the network side server;
the network side server comprises a control module, a first wireless communication module, a fault analysis and diagnosis module and a maintenance information recommendation module; wherein,
the control module is used for receiving the detection information transmitted by the fault detection terminal through the first wireless communication module and transmitting the detection information to the fault analysis and diagnosis module; the fault analysis and diagnosis module is used for analyzing and diagnosing the detection information, acquiring fault information of the cable and transmitting the fault information to the control module and the maintenance information recommendation module; the maintenance information recommending module is used for acquiring maintenance information corresponding to the fault information from the maintenance information recommending module according to the fault information and transmitting the maintenance information to the control module; the control module is used for transmitting the fault information acquired by the fault analysis and diagnosis module and the maintenance information acquired by the maintenance information recommendation module to the monitoring terminal through the first wireless communication module;
and the monitoring terminal is used for displaying the fault information and the maintenance information transmitted by the network side server to a worker.
2. The cable fault localization platform of claim 1,
the fault detection end also comprises a main control module, a temperature detection module, a humidity detection module, a flame sensor module and a second wireless communication module for transmission; the temperature detection module is used for acquiring the temperature information of the cable and transmitting the temperature information to the main control module; the humidity detection module is used for acquiring humidity information of the cable and transmitting the humidity information to the main control module; the flame sensor module is used for acquiring flame information of the cable and transmitting the flame information to the main control module; the main control module is used for transmitting the temperature information, the humidity information and the flame information to the network side server through the second wireless communication module;
and the control module of the network side server receives the temperature information, the humidity information and the flame information transmitted by the fault detection terminal through the first wireless communication module, and transmits the temperature information, the humidity information and the flame information to the monitoring terminal through the first wireless communication module for displaying.
3. The cable fault localization platform of claim 2,
the control module of the network side server is further configured to compare the temperature information, the humidity information and the flame information transmitted by the fault detection terminal with temperature threshold information, humidity threshold information and flame threshold information preset in the control module, and when the temperature information exceeds the temperature threshold information, or the humidity information exceeds the humidity threshold information, or the flame information exceeds the flame threshold information, the control module transmits alarm information to the monitoring terminal through the first wireless communication module.
4. A cable fault localization platform according to claim 3,
the monitoring terminal also comprises an alarm module;
the monitoring terminal is used for alarming through the alarm module when receiving the alarm information transmitted by the network side server;
the alarm module comprises an audible and visual alarm or an LED lamp alarm.
5. A cable fault localization platform according to claim 1 or 2,
the first wireless communication module or the second wireless communication module comprises one or more of a 4G communication module, an NB-loT communication module and a ZigBee communication module.
6. The cable fault localization platform of claim 1,
the fault detection end also comprises a video monitoring module; the video monitoring module is used for acquiring video information of the cable;
the monitoring terminal also comprises an instruction transmission module and a display module; the instruction transmission module is used for receiving a video acquisition instruction input by a worker and transmitting the video acquisition instruction to the network side server; the network side server transmits the video acquisition instruction transmitted by the monitoring terminal to the fault detection terminal; the fault detection terminal is used for acquiring the video information of the cable through the video monitoring module when receiving the video acquisition instruction transmitted by the network side server, and transmitting the video information to the monitoring terminal through the network side server;
and the monitoring terminal is used for transmitting and displaying the received video information to the display module.
7. The cable fault localization platform of claim 1,
the network side server also comprises a storage module and a clock module;
the control module of the network side server is used for transmitting the detection information received by the first wireless communication module to the storage module for storage; the method comprises the following specific steps:
the storage module is used for transmitting a time acquisition instruction to the clock module when receiving the detection information transmitted by the control module; the clock module is used for transmitting the acquired current time information to the storage module when receiving the time acquisition instruction transmitted by the storage module;
the storage module is further used for creating a file storage area with the same size as the detection information file according to the file size of the detection information and storing the detection information in the file storage area;
the storage module is also used for extracting summary information of the detection information; merging the summary information and the current time information transmitted by the clock module to generate and store file name information of the file storage area;
the storage module is further used for identifying the file type of the detection information stored in the file storage area, and when the file type of the detection information is identified to be a numerical value type file, the detection information is encrypted and stored by adopting a first encryption algorithm; when the file type of the detection information is identified to be a text type file, encrypting and storing the detection information by adopting a second encryption algorithm;
the first encryption algorithm or the second encryption algorithm comprises one or more of a DES encryption algorithm, an equivalent encryption algorithm, a digital signature encryption algorithm and a storage encryption algorithm.
8. The cable fault localization platform of claim 1,
the monitoring terminal comprises one or more of a smart phone, a personal computer or a palm computer with a communication function.
9. The cable fault localization platform of claim 1,
the process of analyzing and diagnosing the detection information by the fault analyzing and diagnosing module comprises the following steps:
step S1, substituting the detection information of the cable acquired by each fault positioning module into a formula (1) to calculate the loss current of the cable at the fault positioning module;
wherein Is the resulting loss current, k Is the twiddle factor, representing a 90 ° rotation, γ Is the relative dielectric constant, R Is the cable radius,the insulation thickness of the cable is shown, U is voltage, and x is current fluctuation frequency with the unit of time/s;
step S2, obtaining Q1 current basic information indexes of the fault positioning module, wherein the values of the Q1 indexes are all numerical values to form a basic information vector C;
step S3, a fault database exists in the fault analysis module, N2 pieces of cable environment information data obtained by the fault location module when no fault exists in the fault database, each piece of data contains Q1 detection information indexes, the Q1 detection information indexes correspond to Q1 indexes of the current basic information of the fault location module one by one, a fault matrix J is constructed by Q1 indexes of the N2 pieces of data, the matrix J contains N2 rows of Q1 columns, the N2 row represents the cable environment information data obtained by the fault location module when no fault exists, the Q1 list represents Q1 indexes corresponding to each piece of environment information data, the value of any position represents the numerical value of the index of the cable environment information data obtained by the fault location module corresponding to the row of the position after the index corresponding to the column is converted, meanwhile, each piece of data is also marked with the loss current corresponding to the piece of data;
step S4, carrying out non-difference processing on the data by using a formula (2);
wherein, C1jIs the j values of the vector C1, i.e. is the pair of basic information CjValue after non-differential processing, CjThe value of the jth index of the base information vector C, min () is the minimum value in parentheses, max () is the maximum value in parentheses, J1i2,jIs the value of the i2 th row J column of the matrix J1, i.e., the moment of alignmentMatrix Ji2,jValue after non-difference processing, Ji2,jThe J-th index of the i 2-th environmental information data of the fault matrix J is the value of the J-th row and the J-column of the i2 of the matrix J, and J is 1, 2, 3 … … Q1; i2 ═ 1, 2, 3 … … N2;
step S4, calculating the matching degree of the current basic information and each piece of data in the fault database by using a formula (3);
wherein d isiMatching degree of current basic information and ith data in fault database, J1i,jIs the value of the ith row and J column of the matrix J1, i.e., is the value of the matrix Ji,jValue after non-difference processing, C1j1Is the value of j1 of the vector C1, i.e. is the pair of basic information Cj1Value after non-differential treatment, J1i,j1J1i,j1Is the value of the ith row, J1 column of the matrix J1, i.e., is the value of the matrix Ji,j1Values after no difference treatment, wherein i is 1, 2, 3 … … N2, and j1 is 1, 2, 3 … … Q1;
step S5, K fault data corresponding to K values with the maximum matching degree are selected, K is a preset value, loss current corresponding to the data marked by the K data is obtained, whether the loss current obtained by the formula (1) is larger than the minimum value of the loss current corresponding to the data marked by the obtained K data and smaller than the maximum value of the loss current corresponding to the data marked by the obtained K data is judged, if yes, the cable at the position corresponding to the fault positioning module has no fault, and otherwise, the cable at the position corresponding to the fault positioning module has a fault.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954780A (en) * | 2019-12-03 | 2020-04-03 | 湖南国奥电力设备有限公司 | Underground cable fault detection method and device based on block chain |
| CN111552006A (en) * | 2020-04-30 | 2020-08-18 | 广东电网有限责任公司广州供电局 | Device and method for preventing underground cable fault power failure caused by construction operation |
| CN112509275A (en) * | 2020-11-21 | 2021-03-16 | 首钢京唐钢铁联合有限责任公司 | Power equipment control system and method based on block chain |
| CN112729541A (en) * | 2020-12-25 | 2021-04-30 | 杭州初灵信息技术股份有限公司 | WDM-based optical power detection matrix method in OTN |
| CN115277703A (en) * | 2022-08-15 | 2022-11-01 | 国家电投集团江苏新能源有限公司 | Cable line state real-time monitoring system and method based on intelligent big data analysis |
| CN116009445A (en) * | 2022-12-29 | 2023-04-25 | 天津斯巴克瑞汽车电子股份有限公司 | Remote equipment fault automatic alarm, spot inspection maintenance monitoring system and implementation method |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101533068A (en) * | 2009-04-08 | 2009-09-16 | 南京航空航天大学 | Analog-circuit fault diagnosis method based on DAGSVC |
| CN102033984A (en) * | 2010-11-12 | 2011-04-27 | 清华大学 | Method for fault diagnosis of rotating mechanical equipment based on interval-type evidence fusion |
| WO2011127967A1 (en) * | 2010-04-13 | 2011-10-20 | Abb Technology Ag | Fault wave arrival determination |
| CN103926510A (en) * | 2014-05-12 | 2014-07-16 | 国家电网公司 | Current and carrying capacity online monitoring and fault diagnosing and locating method for cable protection layer |
| CN104462846A (en) * | 2014-12-22 | 2015-03-25 | 山东鲁能软件技术有限公司 | Intelligent device failure diagnosis method based on support vector machine |
| CN104794136A (en) * | 2014-01-22 | 2015-07-22 | 华为技术有限公司 | Fault analysis method and device |
| CN105334427A (en) * | 2015-11-20 | 2016-02-17 | 安徽智芯能源科技有限公司 | High voltage cable fault section positioning and monitoring device |
| CN106324428A (en) * | 2016-07-28 | 2017-01-11 | 东南大学 | Big data-based power cable monitoring system and monitoring method |
| CN107037318A (en) * | 2016-11-25 | 2017-08-11 | 国网河南省电力公司平顶山供电公司 | A kind of power cable fault locating platform |
| CN107293173A (en) * | 2017-06-06 | 2017-10-24 | 积成电子股份有限公司 | Distribution network failure emulation training modeling method based on isolation information battle array |
| CN107702818A (en) * | 2017-08-23 | 2018-02-16 | 国网福建省电力有限公司 | Submarine cable temperature monitoring system |
| CN107994539A (en) * | 2017-12-06 | 2018-05-04 | 国网山东省电力公司滨州市滨城区供电公司 | A kind of distribution line failure detecting system based on Cloud Server |
| CN109376778A (en) * | 2018-10-09 | 2019-02-22 | 宁波大学 | A kind of failure modes diagnostic method based on characteristic variable weighting |
-
2019
- 2019-08-23 CN CN201910787370.7A patent/CN110514960B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101533068A (en) * | 2009-04-08 | 2009-09-16 | 南京航空航天大学 | Analog-circuit fault diagnosis method based on DAGSVC |
| WO2011127967A1 (en) * | 2010-04-13 | 2011-10-20 | Abb Technology Ag | Fault wave arrival determination |
| CN102033984A (en) * | 2010-11-12 | 2011-04-27 | 清华大学 | Method for fault diagnosis of rotating mechanical equipment based on interval-type evidence fusion |
| CN104794136A (en) * | 2014-01-22 | 2015-07-22 | 华为技术有限公司 | Fault analysis method and device |
| CN103926510A (en) * | 2014-05-12 | 2014-07-16 | 国家电网公司 | Current and carrying capacity online monitoring and fault diagnosing and locating method for cable protection layer |
| CN104462846A (en) * | 2014-12-22 | 2015-03-25 | 山东鲁能软件技术有限公司 | Intelligent device failure diagnosis method based on support vector machine |
| CN105334427A (en) * | 2015-11-20 | 2016-02-17 | 安徽智芯能源科技有限公司 | High voltage cable fault section positioning and monitoring device |
| CN106324428A (en) * | 2016-07-28 | 2017-01-11 | 东南大学 | Big data-based power cable monitoring system and monitoring method |
| CN107037318A (en) * | 2016-11-25 | 2017-08-11 | 国网河南省电力公司平顶山供电公司 | A kind of power cable fault locating platform |
| CN107293173A (en) * | 2017-06-06 | 2017-10-24 | 积成电子股份有限公司 | Distribution network failure emulation training modeling method based on isolation information battle array |
| CN107702818A (en) * | 2017-08-23 | 2018-02-16 | 国网福建省电力有限公司 | Submarine cable temperature monitoring system |
| CN107994539A (en) * | 2017-12-06 | 2018-05-04 | 国网山东省电力公司滨州市滨城区供电公司 | A kind of distribution line failure detecting system based on Cloud Server |
| CN109376778A (en) * | 2018-10-09 | 2019-02-22 | 宁波大学 | A kind of failure modes diagnostic method based on characteristic variable weighting |
Non-Patent Citations (4)
| Title |
|---|
| QINGHUA ZHANG: ""De-embedding Unmatched Connectors for Electric Cable Fault Diagnosis "", 《SCIENCEDIRECT》 * |
| 刘颖英: ""基于多重判据的电压暂降故障源定位方法"", 《中国电机工程学报》 * |
| 李勋: ""基于相关分析匹配度的配电网故障定位"", 《电力系统自动化》 * |
| 贾科: ""基于贝叶斯压缩感知理论的配网故障定位研究"", 《中国电机工程学报》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954780A (en) * | 2019-12-03 | 2020-04-03 | 湖南国奥电力设备有限公司 | Underground cable fault detection method and device based on block chain |
| CN111552006A (en) * | 2020-04-30 | 2020-08-18 | 广东电网有限责任公司广州供电局 | Device and method for preventing underground cable fault power failure caused by construction operation |
| CN112509275A (en) * | 2020-11-21 | 2021-03-16 | 首钢京唐钢铁联合有限责任公司 | Power equipment control system and method based on block chain |
| CN112729541A (en) * | 2020-12-25 | 2021-04-30 | 杭州初灵信息技术股份有限公司 | WDM-based optical power detection matrix method in OTN |
| CN115277703A (en) * | 2022-08-15 | 2022-11-01 | 国家电投集团江苏新能源有限公司 | Cable line state real-time monitoring system and method based on intelligent big data analysis |
| CN115277703B (en) * | 2022-08-15 | 2024-03-26 | 国家电投集团江苏新能源有限公司 | Cable line state real-time monitoring system and method based on intelligent big data analysis |
| CN116009445A (en) * | 2022-12-29 | 2023-04-25 | 天津斯巴克瑞汽车电子股份有限公司 | Remote equipment fault automatic alarm, spot inspection maintenance monitoring system and implementation method |
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