CN116222794A - Cable abnormality detection method, device, storage medium and equipment - Google Patents
Cable abnormality detection method, device, storage medium and equipment Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0096—Radiation pyrometry, e.g. infrared or optical thermometry for measuring wires, electrical contacts or electronic systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/48—Thermography; Techniques using wholly visual means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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Abstract
The invention discloses a cable anomaly detection method, a device, a storage medium and equipment. Wherein the method comprises the following steps: acquiring temperature information of a target cable; analyzing and processing the temperature information to obtain a processing result; and determining an abnormal situation based on the processing result, and processing the abnormal situation. The invention solves the technical problem that the cable is difficult to detect and diagnose in the prior art.
Description
Technical Field
The present invention relates to the field of data processing technologies, and in particular, to a method, an apparatus, a storage medium, and a device for detecting cable anomalies.
Background
The high-voltage cable buffer layer is positioned between the insulating outer shield and the corrugated aluminum sheath, and has the functions of buffering external force, providing a conductive path, shielding an electric field, longitudinally blocking water and the like. In recent years, the ablation defect of the buffer layer of the high-voltage cable frequently occurs, which is mainly represented by white powder in the aluminum sheath, the buffer layer and the insulating shielding layer of the cable, the ablation holes exist in the buffer layer, and the corrosion phenomenon of the aluminum sheath seriously jeopardizes the safe and stable operation of the high-voltage cable circuit. Numerous studies have been conducted to address buffer layer ablation defects, and the causes thereof have been found to be mainly focused on two aspects: on one hand, the stress of the buffer layer is unevenly distributed in the laying process of the high-voltage cable, so that the current passing through the buffer layer is concentrated, the buffer layer is overheated to generate ablation perforation, the conductive path of the buffer layer is damaged, the ablation defect of the buffer layer of the cable is generated, and the insulation fault of the cable body is caused; on the other hand, the cable buffer layerAfter water absorption, the cable can form a chemical battery to generate electrochemical corrosion to generate Na 2 CO 3 、Na 2 HCO 3 Al and Al 2 O 3 And white powdery substances which can lead to high-resistance connection between the corrugated aluminum sheath and the buffer layer of the high-voltage cable, and easily cause excessive heating and even discharging to cause cable faults. It can be seen that the buffer layer ablation defect can generate serious threat to the safe operation state of the cable, and the buffer layer ablation defect of the high-voltage cable can be found and side-by-side, so that the buffer layer ablation defect has important practical significance and value for maintaining the safe and stable operation of the power system and reducing the economic loss caused by cable faults.
However, due to the complex mechanism of the buffer layer ablation defect, the existing buffer layer ablation detection means, including partial discharge test, X-ray imaging technology, broadband impedance spectroscopy and the like, cannot effectively diagnose and inspect the buffer layer ablation defect in the actual cable line, so that a large number of potential buffer layer ablation defects in the power transmission line are difficult to be detected in time, and great hidden trouble is brought to safe and stable operation of the power system.
In view of the above problems, no effective solution has been proposed at present.
Disclosure of Invention
The embodiment of the invention provides a cable anomaly detection method, a device, a storage medium and equipment, which are used for at least solving the technical problem that the detection and diagnosis of a cable are difficult in the prior art.
According to an aspect of an embodiment of the present invention, there is provided a cable anomaly detection method including: acquiring temperature information of a target cable; analyzing and processing the temperature information to obtain a processing result; and determining an abnormal situation based on the processing result, and processing the abnormal situation.
Optionally, the acquiring temperature information of the target cable includes: determining a position area of the outer sheath surface of the target cable; and measuring the position area by adopting a high-precision infrared thermal imager to obtain the temperature information.
Optionally, the analyzing the temperature information to obtain a processing result includes: determining a highest temperature value and a lowest temperature value of the target cable based on the temperature information; and determining an average temperature value and a temperature difference value based on the maximum temperature value and the minimum temperature value; and determining the highest temperature value, the lowest temperature value, the average temperature value and the temperature difference value as the processing result.
Optionally, the determining the abnormal situation based on the processing result, and processing the abnormal situation includes: judging whether the temperature difference is larger than a first preset threshold value or not, and judging whether the average temperature value is smaller than a second preset threshold value or not; if the temperature difference is larger than the first preset threshold value and the average temperature value is smaller than the second preset threshold value, the abnormal condition is determined to occur.
According to another aspect of the embodiment of the present invention, there is also provided a cable anomaly detection apparatus including: the acquisition module is used for acquiring temperature information of the target cable; the analysis module is used for analyzing and processing the temperature information to obtain a processing result; and the determining module is used for determining the abnormal situation based on the processing result and processing the abnormal situation.
Optionally, the acquiring module includes: a first determining unit configured to determine a position area of an outer sheath surface of the target cable; and the measuring unit is used for measuring the position area by adopting a high-precision infrared thermal imager to obtain the temperature information.
Optionally, the analysis module includes: a second determining unit configured to determine a maximum temperature value and a minimum temperature value of the target cable based on the temperature information; a third determining unit for determining an average temperature value and a temperature difference value based on the highest temperature value and the lowest temperature value; and a fourth determining unit configured to determine the highest temperature value, the lowest temperature value, the average temperature value, and the temperature difference value as the processing result.
According to another aspect of the embodiments of the present invention, there is also provided a nonvolatile storage medium storing a plurality of instructions adapted to be loaded by a processor and to perform any one of the cable abnormality detection methods described above.
According to another aspect of the embodiment of the present invention, there is also provided a processor for running a program, where the program is configured to execute any one of the cable anomaly detection methods described above when running.
According to another aspect of the embodiment of the present invention, there is also provided an electronic device including a memory, in which a computer program is stored, and a processor configured to run the computer program to perform any one of the cable anomaly detection methods described above.
In the embodiment of the invention, the temperature information of the target cable is obtained; analyzing and processing the temperature information to obtain a processing result; based on the processing result, the abnormal situation is determined, and the abnormal situation is processed, so that the purpose of reflecting the cable operation condition according to the temperature change is achieved, the technical effect of diagnosing the cable operation condition according to the temperature is achieved, and the technical problem that the cable is difficult to detect and diagnose in the prior art is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a flow chart of a method for detecting cable anomalies according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a cable abnormality detection apparatus according to an embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent 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 present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
According to an embodiment of the present invention, there is provided an embodiment of a cable anomaly detection method, it being noted that the steps shown in the flowcharts of the figures may be performed in a computer system such as a set of computer executable instructions, and although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that herein.
Fig. 1 is a flowchart of a cable anomaly detection method according to an embodiment of the present invention, as shown in fig. 1, the method includes the steps of:
step S102, obtaining temperature information of a target cable;
step S104, analyzing and processing the temperature information to obtain a processing result;
step S106, based on the processing result, determining an abnormal situation and processing the abnormal situation.
In the embodiment of the present invention, the main execution body of the cable abnormality detection method provided in steps S102 to S108 is an abnormality detection system, and the temperature information of the target cable is obtained by adopting the system; analyzing and processing the temperature information to obtain a processing result; and determining an abnormal situation based on the processing result, and processing the abnormal situation.
As an alternative embodiment, temperature is used to determine cable buffer ablation defects. The diagnosis method is simple and feasible, the diagnosis result is reliable, the damage to the cable caused by the dissection of the cable is avoided, and important reference value is provided for diagnosis and investigation of the ablation defect of the buffer layer of the actual cable circuit.
The embodiment of the invention provides a high-voltage cable buffer layer ablation defect diagnosis method based on a temperature field. The method is simple and feasible, the diagnosis result is accurate, and the ablation defect and the severity of the buffer layer can be effectively diagnosed without stopping and dissecting the cable.
In an alternative embodiment, the acquiring temperature information of the target cable includes: determining a position area of the outer sheath surface of the target cable; and measuring the position area by adopting a high-precision infrared thermal imager to obtain the temperature information.
As an alternative embodiment, a high-precision infrared thermal imager is adopted to measure the surface of the outer sheath of the high-voltage cable, and the temperature value of the measuring point of the surface of the outer sheath of the cable is obtained.
The high-precision infrared thermal imager is a handheld portable high-precision infrared thermal imager, and the resolution of the high-precision infrared thermal imager is at least 0.1 ℃. In the temperature sampling process, the distance between the high-precision infrared thermal imager and the outer surface of the cable is 1-15 m. In the temperature sampling process, at least 20 temperature sampling points are provided. In the temperature sampling process, after the temperature is started to be collected, the temperature distribution is kept for 5-15 min until the temperature distribution is not fluctuated, and then the collection result is confirmed.
In an alternative embodiment, the analyzing the temperature information to obtain a processing result includes: determining a highest temperature value and a lowest temperature value of the target cable based on the temperature information; and determining an average temperature value and a temperature difference value based on the maximum temperature value and the minimum temperature value; and determining the highest temperature value, the lowest temperature value, the average temperature value and the temperature difference value as the processing result.
As an alternative embodiment, determining the highest temperature, the lowest temperature and the average temperature of the cable surface based on the obtained temperature distribution of the cable outer jacket surface, and obtaining the difference between the highest temperature and the lowest temperature;
in an alternative embodiment, the determining the abnormal situation based on the processing result, and processing the abnormal situation, includes: judging whether the temperature difference is larger than a first preset threshold value or not, and judging whether the average temperature value is smaller than a second preset threshold value or not; if the temperature difference is larger than the first preset threshold value and the average temperature value is smaller than the second preset threshold value, the abnormal condition is determined to occur.
As an alternative embodiment, it is determined whether ablation of the cable buffer layer has occurred, and the severity of the ablation, based on the obtained temperature difference and the average temperature. When the temperature difference exceeds a critical value and the average temperature is lower than the critical temperature, the cable buffer layer is obviously ablated at the highest temperature point, the threat is higher, and the higher the temperature difference is, the more serious the ablation degree is. When the temperature difference exceeds the critical value and the average temperature is higher than the critical temperature, the cable buffer layer has obvious ablation defects in the measurement range, and the higher the average temperature is, the more serious the ablation degree is. When the temperature difference is smaller than the critical value and the average temperature is lower than the critical temperature, the ablation defect of the cable buffer layer is not obvious, and the threat of the ablation defect is small.
Example 2
According to an embodiment of the present invention, there is further provided an embodiment of an apparatus for implementing the method for detecting a cable abnormality, and fig. 2 is a schematic structural diagram of an apparatus for detecting a cable abnormality according to an embodiment of the present invention, as shown in fig. 2, the apparatus includes: an acquisition module 20, an analysis module 22, and a determination module 24, wherein:
an acquisition module 20, configured to acquire temperature information of a target cable;
the analysis module 22 is configured to perform analysis processing on the temperature information to obtain a processing result;
and the determining module 24 is configured to determine an abnormal situation based on the processing result, and process the abnormal situation.
Optionally, the acquiring module includes: a first determining unit configured to determine a position area of an outer sheath surface of the target cable; and the measuring unit is used for measuring the position area by adopting a high-precision infrared thermal imager to obtain the temperature information.
Optionally, the analysis module includes: a second determining unit configured to determine a maximum temperature value and a minimum temperature value of the target cable based on the temperature information; a third determining unit for determining an average temperature value and a temperature difference value based on the highest temperature value and the lowest temperature value; and a fourth determining unit configured to determine the highest temperature value, the lowest temperature value, the average temperature value, and the temperature difference value as the processing result.
Here, it should be noted that the above-mentioned obtaining module 20, analyzing module 22 and determining module 24 correspond to step S102 to step S106 in embodiment 1, and the three modules are the same as the examples and application scenarios implemented by the corresponding steps, but are not limited to those disclosed in embodiment 1 above.
It should be noted that, the preferred implementation manner of this embodiment may be referred to the related description in embodiment 1, and will not be repeated here.
According to an embodiment of the present invention, there is also provided an embodiment of a computer-readable storage medium. Alternatively, in this embodiment, the computer-readable storage medium may be used to store the program code executed by the cable anomaly detection method provided in embodiment 1.
Alternatively, in this embodiment, the above-mentioned computer readable storage medium may be located in any one of the computer terminals in the computer terminal group in the computer network, or in any one of the mobile terminals in the mobile terminal group.
Optionally, in the present embodiment, the computer readable storage medium is configured to store program code for performing the steps of: acquiring temperature information of a target cable; analyzing and processing the temperature information to obtain a processing result; and determining an abnormal situation based on the processing result, and processing the abnormal situation.
Optionally, the above computer readable storage medium is configured to store program code for performing the steps of: determining a position area of the outer sheath surface of the target cable; and measuring the position area by adopting a high-precision infrared thermal imager to obtain the temperature information.
Optionally, the above computer readable storage medium is configured to store program code for performing the steps of: determining a highest temperature value and a lowest temperature value of the target cable based on the temperature information; and determining an average temperature value and a temperature difference value based on the maximum temperature value and the minimum temperature value; and determining the highest temperature value, the lowest temperature value, the average temperature value and the temperature difference value as the processing result.
Optionally, the above computer readable storage medium is configured to store program code for performing the steps of: judging whether the temperature difference is larger than a first preset threshold value or not, and judging whether the average temperature value is smaller than a second preset threshold value or not; if the temperature difference is larger than the first preset threshold value and the average temperature value is smaller than the second preset threshold value, the abnormal condition is determined to occur.
According to an embodiment of the present invention, there is also provided an embodiment of a processor. Alternatively, in this embodiment, the computer-readable storage medium may be used to store the program code executed by the cable anomaly detection method provided in embodiment 1.
The embodiment of the application provides an electronic device, which comprises a processor, a memory and a program stored on the memory and capable of running on the processor, wherein the following steps are realized when the processor executes the program: acquiring temperature information of a target cable; analyzing and processing the temperature information to obtain a processing result; and determining an abnormal situation based on the processing result, and processing the abnormal situation.
The present application also provides a computer program product adapted to perform, when executed on a data processing device, a program initialized with the method steps of: acquiring temperature information of a target cable; analyzing and processing the temperature information to obtain a processing result; and determining an abnormal situation based on the processing result, and processing the abnormal situation.
The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
In the foregoing embodiments of the present invention, the descriptions of the embodiments are emphasized, and for a portion of this disclosure that is not described in detail in this embodiment, reference is made to the related descriptions of other embodiments.
In the several embodiments provided in the present application, it should be understood that the disclosed technology content may be implemented in other manners. The above-described embodiments of the apparatus are merely exemplary, and the division of the units, for example, may be a logic function division, and may be implemented in another manner, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interfaces, units or modules, or may be in electrical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied essentially or in part or all of the technical solution or in part in the form of a software product stored in a storage medium, including instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a removable hard disk, a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (10)
1. A cable anomaly detection method, characterized by comprising:
acquiring temperature information of a target cable;
analyzing and processing the temperature information to obtain a processing result;
and determining an abnormal situation based on the processing result, and processing the abnormal situation.
2. The method of claim 1, wherein the obtaining temperature information of the target cable comprises:
determining a location area of an outer jacket surface of the target cable;
and measuring the position area by adopting a high-precision infrared thermal imager to obtain the temperature information.
3. The method of claim 1, wherein the analyzing the temperature information to obtain a processing result comprises:
determining a highest temperature value and a lowest temperature value of the target cable based on the temperature information;
and determining an average temperature value and a temperature difference value based on the maximum temperature value and the minimum temperature value;
and determining the highest temperature value, the lowest temperature value, the average temperature value and the temperature difference value as the processing result.
4. A method according to claim 3, wherein determining an abnormal situation based on the processing result and processing the abnormal situation comprises:
judging whether the temperature difference value is larger than a first preset threshold value or not, and judging whether the average temperature value is smaller than a second preset threshold value or not;
and if the temperature difference value is larger than a first preset threshold value and the average temperature value is smaller than a second preset threshold value, determining that the abnormal condition occurs.
5. A cable anomaly detection device, characterized by comprising:
the acquisition module is used for acquiring temperature information of the target cable;
the analysis module is used for analyzing and processing the temperature information to obtain a processing result;
and the determining module is used for determining abnormal conditions based on the processing results and processing the abnormal conditions.
6. The apparatus of claim 5, wherein the acquisition module comprises:
a first determining unit configured to determine a location area of an outer jacket surface of the target cable;
and the measuring unit is used for measuring the position area by adopting a high-precision infrared thermal imager to obtain the temperature information.
7. The apparatus of claim 5, wherein the analysis module comprises:
a second determining unit, configured to determine a maximum temperature value and a minimum temperature value of the target cable based on the temperature information;
a third determining unit for determining an average temperature value and a temperature difference value based on the highest temperature value and the lowest temperature value;
and a fourth determining unit configured to determine the highest temperature value, the lowest temperature value, the average temperature value, and the temperature difference value as the processing result.
8. A non-volatile storage medium storing a plurality of instructions adapted to be loaded by a processor and to perform the cable anomaly detection method of any one of claims 1 to 4.
9. A processor, characterized in that the processor is configured to run a program, wherein the program is arranged to execute the cable anomaly detection method of any one of claims 1 to 4 at run time.
10. An electronic device comprising a memory and a processor, wherein the memory has stored therein a computer program, the processor being arranged to run the computer program to perform the cable anomaly detection method of any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211735592.2A CN116222794A (en) | 2022-12-31 | 2022-12-31 | Cable abnormality detection method, device, storage medium and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211735592.2A CN116222794A (en) | 2022-12-31 | 2022-12-31 | Cable abnormality detection method, device, storage medium and equipment |
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| CN116222794A true CN116222794A (en) | 2023-06-06 |
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|---|---|---|---|
| CN202211735592.2A Pending CN116222794A (en) | 2022-12-31 | 2022-12-31 | Cable abnormality detection method, device, storage medium and equipment |
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| CN (1) | CN116222794A (en) |
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