CN113010577B - Cable insulation defect detection method and device and terminal equipment - Google Patents
Cable insulation defect detection method and device and terminal equipment Download PDFInfo
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- CN113010577B CN113010577B CN202110297928.0A CN202110297928A CN113010577B CN 113010577 B CN113010577 B CN 113010577B CN 202110297928 A CN202110297928 A CN 202110297928A CN 113010577 B CN113010577 B CN 113010577B
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Abstract
The invention provides a cable insulation defect detection method, which comprises the steps of obtaining the environmental characteristics of the environment where a tested cable is located; acquiring the body characteristics of the tested cable; acquiring the response characteristics of the tested cable to the specified test signals; judging whether an insulation defect result matched with the environmental characteristic, the body characteristic and the response characteristic exists in a preset insulation defect database or not; if so, outputting the insulation defect result; and if the insulation defect does not exist, generating a new insulation defect result, and adding the environment characteristic, the body characteristic, the response characteristic and the new insulation defect result which are acquired at this time as new data to an insulation defect database. According to the method and the device, the insulation defect result of the tested cable is matched from the insulation defect database according to the environmental characteristic, the body characteristic and the response characteristic of the tested cable, the detection speed is high, the required equipment is simple, and the database is more perfect after multiple detections.
Description
Technical Field
The invention belongs to the technical field of testing of line transmission systems, and particularly relates to a method and a device for detecting insulation defects of cables and terminal equipment.
Background
The existing cable defect detection method comprises methods such as alternating current superposition, capacitive coupling, directional coupling, electromagnetic coupling, leakage current and digital imaging, wherein the method for detecting whether defects exist at each position in the cable by analyzing the response characteristic of the cable to a detection signal is common, the cable is not damaged by measuring the single-ended impedance response characteristic of the cable, the use of the cable is not influenced, and the installed cable is not required to be detached for detection.
The existing method for analyzing the cable defects through the response characteristics of the cable is convenient to use, but the analysis process is complex, complex processing needs to be carried out on detection signals and response signals, the efficiency is low, and analysis equipment is complex.
Disclosure of Invention
The invention aims to provide a method and a device for detecting cable insulation defects and terminal equipment, and aims to solve the problems of low efficiency and complex equipment for analyzing the cable defects in the prior art.
The first aspect of the embodiments of the present invention provides a method for detecting a cable insulation defect, including:
acquiring environmental characteristics of the environment where the tested cable is located;
acquiring the body characteristics of the tested cable;
acquiring the response characteristics of the tested cable to the specified test signals;
judging whether an insulation defect result matched with the environmental characteristic, the body characteristic and the response characteristic exists in a preset insulation defect database or not;
if so, outputting the insulation defect result;
and if the insulation defect data does not exist, generating a new insulation defect result based on the environment characteristic, the body characteristic and the response characteristic which are acquired at this time, and adding the environment characteristic, the body characteristic, the response characteristic and the new insulation defect result which are acquired at this time as new data to an insulation defect database.
Optionally, the environmental characteristics include ambient temperature, ambient humidity, and a particular type of environment;
the body is characterized by comprising an insulating material, an insulating material manufacturing process and cable service life;
the insulation defect results include defect type, defect location, and defect strength.
Optionally, the obtaining of the response characteristic of the tested cable to the specified test signal includes:
sending a specified test signal to a tested cable;
receiving a response signal of a tested cable;
and calculating the response characteristics of the tested cable according to the specified test signals and the response signals.
Optionally, the insulation defect database stores a plurality of insulation defect data, each insulation defect data includes an insulation defect result and a plurality of matching conditions corresponding to the insulation defect result, and the matching conditions include an environmental characteristic, a body characteristic, and a response characteristic;
judging whether an insulation defect result matched with the environmental characteristic, the body characteristic and the response characteristic exists in a preset insulation defect database comprises the following steps:
searching whether a matching condition that the matching degree of the acquired environmental characteristics, the body characteristics and the response characteristics is greater than a preset value exists in an insulation defect database;
if the matching condition with the obtained environmental characteristic, the obtained body characteristic and the response characteristic with the matching degree larger than the preset value is found, determining that an insulation defect result exists;
and if the matching condition that the matching degree of the obtained environmental characteristic, the body characteristic and the response characteristic is greater than the preset value cannot be found, determining that the insulating defect does not exist.
Optionally, if the insulation defect data does not exist, generating a new insulation defect result based on the environment feature, the body feature and the response feature acquired this time, and adding the environment feature, the body feature, the response feature and the new insulation defect result acquired this time as new data to the insulation defect database includes:
outputting the environment characteristic, the body characteristic, the response characteristic and an alarm prompt which are obtained this time, wherein the alarm prompt is used for indicating a user to input an insulation defect result corresponding to the environment characteristic, the body characteristic and the response characteristic which are obtained this time;
receiving an input insulation defect result corresponding to the environment characteristic, the body characteristic and the response characteristic which are obtained at this time;
taking the environment characteristic, the body characteristic and the response characteristic which are obtained at this time as new matching conditions, and taking the insulation defect result which is received at this time as a matching result corresponding to the new matching conditions to generate new data;
new data is added to the insulation defect database.
A second aspect of an embodiment of the present invention provides a cable insulation defect detection apparatus, including:
the environment characteristic acquisition module is used for acquiring the environment characteristics of the environment where the tested cable is located;
the body characteristic acquisition module is used for acquiring the body characteristics of the tested cable;
the response characteristic acquisition module is used for acquiring the response characteristics of the tested cable to the specified test signals;
the matching module is used for judging whether an insulation defect result matched with the environmental characteristic, the body characteristic and the response characteristic exists in a preset insulation defect database or not;
the output module is used for outputting the insulation defect result when the matching module judges that the insulation defect result matched with the environmental characteristic, the body characteristic and the response characteristic exists;
and the data adding module is used for generating a new insulation defect result based on the environment characteristic, the body characteristic and the response characteristic which are acquired at this time when the matching module judges that no insulation defect result matched with the environment characteristic, the body characteristic and the response characteristic exists, and adding the environment characteristic, the body characteristic, the response characteristic and the new insulation defect result which are acquired at this time as a new piece of data to the insulation defect database.
A third aspect of the embodiments of the present invention provides a terminal device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor implements the steps of the cable insulation defect detection method according to any one of the above items when executing the computer program.
A fourth aspect of embodiments of the present invention provides a computer-readable storage medium storing a computer program which, when executed by one or more processors, performs the steps of the cable insulation defect detection method according to any one of the above.
The cable insulation defect detection method provided by the invention has the beneficial effects that:
the embodiment of the invention provides a cable insulation defect detection method, which comprises the steps of obtaining the environmental characteristics of the environment where a tested cable is located; acquiring the body characteristics of the tested cable; acquiring the response characteristics of the tested cable to the specified test signals; judging whether an insulation defect result matched with the environmental characteristic, the body characteristic and the response characteristic exists in a preset insulation defect database or not; if so, outputting the insulation defect result; and if the insulation defect data does not exist, generating a new insulation defect result based on the environment characteristic, the body characteristic and the response characteristic which are acquired at this time, and adding the environment characteristic, the body characteristic, the response characteristic and the new insulation defect result which are acquired at this time as new data to an insulation defect database. According to the invention, the insulation defect result of the tested cable is matched from the insulation defect database according to the environmental characteristics, the body characteristics and the response characteristics of the tested cable, the detection speed is high, the required equipment is simple, and the database is more perfect after multiple detections.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic flow chart of an implementation of a method for detecting insulation defects of a cable according to an embodiment of the present invention;
fig. 2 is a schematic block diagram of a cable insulation defect detecting apparatus according to an embodiment of the present invention;
fig. 3 is a schematic block diagram of a terminal device according to an embodiment of the present invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
The terms "comprises" and "comprising," as well as any other variations, in the description and claims of this invention and the drawings described above, are intended to mean "including but not limited to," and are intended to cover non-exclusive inclusions. For example, a process, method, or system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus. Furthermore, the terms "first," "second," and "third," etc. are used to distinguish between different objects and are not used to describe a particular order.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
Fig. 1 is a schematic flow chart of an implementation of a method for detecting a cable insulation defect according to an embodiment of the present invention, where the method for detecting a cable insulation defect includes:
102, acquiring the body characteristics of a cable to be detected;
103, acquiring the response characteristics of the tested cable to the specified test signal;
104, judging whether an insulation defect result matched with the environmental characteristic, the body characteristic and the response characteristic exists in a preset insulation defect database;
and 106, if the insulation defect data does not exist, generating a new insulation defect result based on the environment characteristic, the body characteristic and the response characteristic which are acquired at this time, and adding the environment characteristic, the body characteristic, the response characteristic and the new insulation defect result which are acquired at this time as a new piece of data to an insulation defect database.
In another embodiment of the invention, the environmental characteristics include ambient temperature, ambient humidity, and a particular type of environment;
the body is characterized by comprising an insulating material, an insulating material manufacturing process and cable service life;
the insulation defect results include defect type, defect location, and defect strength.
Causes of cable defects include: impurities in the insulating material and micropores in the insulating layer caused by the manufacturing process and raw materials can generate partial discharge aging and dielectric loss aging; the operation conditions of the cable, such as working voltage, overvoltage, load impact, direct current component and the like, can cause electrical branch degradation and water branch degradation; the abnormal temperature, the thermal expansion and the cold, the extreme temperature and the like can cause the thermal aging of the cable insulating layer and the deformation damage caused by heat-machinery; chemical reactions that occur in contact with chemicals, such as oils or corrosive substances, can lead to chemical corrosion, electrochemical dendrites; the cable is subjected to trauma, such as impact, extrusion, ingestion and gnawing of animals and the like, and can cause mechanical damage and deformation to form water branches.
The special environment types in the embodiment include special operating conditions of the cable, environments in which special chemicals are contacted, use environments which are prone to being subjected to trauma and the like.
In another embodiment of the present invention, acquiring the response characteristic of the tested cable to the specified test signal comprises:
sending a specified test signal to a tested cable;
receiving a response signal of the tested cable;
and calculating the response characteristics of the tested cable according to the specified test signals and the response signals.
After the cable sends a fault, the response signal to the test signal contains fault distance information, the response signal is collected and processed according to the test signal, and the fault of the power transmission line can be accurately positioned. The response signal of the cable depends on the test signal, and the response signal changes after the test signal changes, but the correspondence between the test signal and the response signal is fixed, the correspondence is the inherent property of the cable, and the correspondence calculated according to the test signal and the corresponding response signal is named as the response characteristic of the cable in the embodiment. According to the result that the response characteristics are matched with the insulation defects with similar response characteristics, the cable with similar insulation defects with the tested cable can be found.
In another embodiment of the present invention, the insulation defect database stores a plurality of pieces of insulation defect data, each piece of insulation defect data including an insulation defect result and a plurality of matching conditions corresponding to the insulation defect result, the matching conditions including an environmental characteristic, a body characteristic, and a response characteristic;
judging whether an insulation defect result matched with the environmental characteristic, the body characteristic and the response characteristic exists in a preset insulation defect database comprises the following steps:
searching whether a matching condition with the acquired environmental characteristic, the body characteristic and the response characteristic of which the matching degree is greater than a preset value exists in an insulation defect database;
if the matching condition that the matching degree of the obtained environmental characteristics, the obtained body characteristics and the response characteristics is larger than a preset value is found, determining that an insulation defect result exists;
and if the matching condition that the matching degree of the obtained environmental characteristic, the body characteristic and the response characteristic is greater than the preset value cannot be found, determining that the insulating defect does not exist.
In another embodiment of the present invention, if the current insulation defect result does not exist, generating a new insulation defect result based on the environment feature, the body feature and the response feature acquired this time, and adding the environment feature, the body feature, the response feature and the new insulation defect result acquired this time as a new piece of data to the insulation defect database includes:
outputting the environment characteristic, the body characteristic, the response characteristic and an alarm prompt which are obtained this time, wherein the alarm prompt is used for indicating a user to input an insulation defect result corresponding to the environment characteristic, the body characteristic and the response characteristic which are obtained this time;
receiving an input insulation defect result corresponding to the environment characteristic, the body characteristic and the response characteristic which are obtained at this time;
taking the environment characteristic, the body characteristic and the response characteristic which are obtained at this time as new matching conditions, and taking the insulation defect result which is received at this time as a matching result corresponding to the new matching conditions to generate new data;
new data is added to the insulation defect database.
In this embodiment, this step will improve the data in the insulation defect database.
Fig. 2 is a schematic block diagram of a cable insulation defect detecting apparatus according to an embodiment of the present invention, where the cable insulation defect detecting apparatus 20 includes:
the environmental characteristic acquisition module 21 is used for acquiring environmental characteristics of the environment where the tested cable is located;
the body characteristic acquisition module 22 is used for acquiring the body characteristics of the tested cable;
the response characteristic acquisition module 23 is used for acquiring the response characteristic of the tested cable to the specified test signal;
the matching module 24 is configured to determine whether an insulation defect result matching the environmental characteristic, the body characteristic, and the response characteristic exists in a preset insulation defect database;
an output module 25, configured to output an insulation defect result when the matching module determines that the insulation defect result matching the environmental characteristic, the body characteristic, and the response characteristic exists;
and the data adding module 26 is configured to, when the matching module determines that there is no insulation defect result matching the environmental characteristic, the body characteristic, and the response characteristic, generate a new insulation defect result based on the currently acquired environmental characteristic, body characteristic, and response characteristic, and add the currently acquired environmental characteristic, body characteristic, response characteristic, and new insulation defect result as new data to the insulation defect database.
Optionally, the environmental characteristics include ambient temperature, ambient humidity, and a particular type of environment;
the body is characterized by comprising an insulating material, an insulating material manufacturing process and cable service life;
the insulation defect results include defect type, defect location, and defect strength.
Optionally, the cable insulation defect detection device includes:
the transmitting unit is used for transmitting a specified test signal to the tested cable;
the receiving unit is used for receiving a response signal of the tested cable;
correspondingly, the response characteristic acquisition module is also used for calculating the response characteristic of the tested cable according to the specified test signal and the response signal.
Optionally, the insulation defect database stores a plurality of insulation defect data, each insulation defect data includes an insulation defect result and a plurality of matching conditions corresponding to the insulation defect result, and the matching conditions include an environmental characteristic, a body characteristic, and a response characteristic;
judging whether an insulation defect result matched with the environmental characteristic, the body characteristic and the response characteristic exists in a preset insulation defect database comprises the following steps:
searching whether a matching condition with the acquired environmental characteristic, the body characteristic and the response characteristic of which the matching degree is greater than a preset value exists in an insulation defect database;
if the matching condition with the obtained environmental characteristic, the obtained body characteristic and the response characteristic with the matching degree larger than the preset value is found, determining that an insulation defect result exists;
and if the matching condition that the matching degree of the obtained environmental characteristic, the body characteristic and the response characteristic is greater than the preset value cannot be found, determining that the insulating defect does not exist.
Optionally, if the insulation defect data does not exist, generating a new insulation defect result based on the environment feature, the body feature and the response feature acquired this time, and adding the environment feature, the body feature, the response feature and the new insulation defect result acquired this time as new data to the insulation defect database includes:
outputting the environment characteristic, the body characteristic, the response characteristic and an alarm prompt which are obtained this time, wherein the alarm prompt is used for indicating a user to input an insulation defect result corresponding to the environment characteristic, the body characteristic and the response characteristic which are obtained this time;
receiving an input insulation defect result corresponding to the environment characteristic, the body characteristic and the response characteristic which are obtained at this time;
taking the environment characteristic, the body characteristic and the response characteristic which are obtained at this time as new matching conditions, and taking the insulation defect result which is received at this time as a matching result corresponding to the new matching conditions to generate new data;
new data is added to the insulation defect database.
According to the embodiment, the body characteristics of the tested cable are firstly obtained; acquiring the response characteristics of the tested cable to the specified test signals; then judging whether an insulation defect result matched with the environmental characteristic, the body characteristic and the response characteristic exists in a preset insulation defect database or not; if so, outputting the insulation defect result; and if the insulation defect data does not exist, generating a new insulation defect result based on the environment characteristic, the body characteristic and the response characteristic which are acquired at this time, and adding the environment characteristic, the body characteristic, the response characteristic and the new insulation defect result which are acquired at this time as new data to an insulation defect database. According to the invention, the insulation defect result of the tested cable is matched from the insulation defect database according to the environmental characteristics, the body characteristics and the response characteristics of the tested cable, the detection speed is high, the required equipment is simple, and the database is more perfect after multiple detections.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
Fig. 3 is a schematic diagram of a terminal device according to an embodiment of the present invention. As shown in fig. 3, the terminal device 3 of this embodiment includes: a processor 30, a memory 31 and a computer program 32, such as a cable insulation defect detection program, stored in said memory 31 and executable on said processor 30. The processor 30, when executing the computer program 32, implements the steps in the various cable insulation defect detection method embodiments described above, such as the steps 101 to 106 shown in fig. 1. Alternatively, the processor 30, when executing the computer program 32, implements the functions of the modules/units in the cable insulation defect detecting apparatus embodiments, such as the functions of the modules 21 to 26 shown in fig. 2.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus/terminal device and method may be implemented in other ways. For example, the above-described embodiments of the apparatus/terminal device are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
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 network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, read-Only Memory (ROM), random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain other components which may be suitably increased or decreased as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media which may not include electrical carrier signals and telecommunications signals in accordance with legislation and patent practice.
The above-mentioned embodiments are only intended to illustrate the technical solutions of the present invention, and not by way of limitation; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (6)
1. A method for detecting insulation defects of a cable, the method comprising:
acquiring environmental characteristics of the environment where the tested cable is located;
acquiring the body characteristics of the tested cable;
acquiring the response characteristics of the tested cable to the specified test signals;
judging whether an insulation defect result matched with the environment characteristic, the body characteristic and the response characteristic exists in a preset insulation defect database or not;
if so, outputting the insulation defect result;
if the insulation defect data does not exist, generating a new insulation defect result based on the environment characteristic, the body characteristic and the response characteristic which are obtained at this time, and adding the environment characteristic, the body characteristic, the response characteristic and the new insulation defect result which are obtained at this time into the insulation defect database as new data;
acquiring response characteristics of the tested cable to a specified test signal comprises the following steps:
sending a specified test signal to a tested cable;
receiving a response signal of the tested cable;
the response characteristic of the tested cable is the corresponding relation between the specified test signal and the response signal;
the insulation defect database stores a plurality of insulation defect data, each insulation defect data comprises an insulation defect result and a plurality of matching conditions corresponding to the insulation defect result, and the matching conditions comprise environmental characteristics, body characteristics and response characteristics;
the environmental characteristics comprise an environmental temperature, an environmental humidity and a special environmental type;
the special environment types comprise special operation working conditions of the cable, environments in contact with special chemicals and use environments susceptible to trauma;
the body is characterized by comprising an insulating material, an insulating material manufacturing process and cable service life;
the insulation defect results include defect type, defect location, and defect strength.
2. The method for detecting the insulation defect of the cable according to claim 1, wherein the step of judging whether the insulation defect result matched with the environmental characteristic, the body characteristic and the response characteristic exists in the preset insulation defect database comprises the steps of:
searching whether a matching condition with the acquired environmental characteristic, body characteristic and response characteristic with the matching degree larger than a preset value exists in the insulation defect database;
if the matching condition with the acquired environmental characteristic, the acquired body characteristic and the acquired response characteristic with the matching degree larger than a preset value is found, determining that the insulation defect result exists;
and if the matching condition that the matching degree of the obtained environmental characteristics, the obtained body characteristics and the obtained response characteristics is greater than a preset value cannot be found, determining that the insulation defect result does not exist.
3. The method for detecting the insulation defect of the cable according to claim 1, wherein if the insulation defect does not exist, generating a new insulation defect result based on the environmental feature, the body feature and the response feature acquired this time, and adding the environmental feature, the body feature, the response feature and the new insulation defect result acquired this time as a new piece of data to the insulation defect database comprises:
outputting the environment characteristic, the body characteristic, the response characteristic and an alarm prompt which are obtained at this time, wherein the alarm prompt is used for indicating a user to input an insulation defect result corresponding to the environment characteristic, the body characteristic and the response characteristic which are obtained at this time;
receiving an input insulation defect result corresponding to the environment characteristic, the body characteristic and the response characteristic which are obtained at this time;
taking the environment characteristic, the body characteristic and the response characteristic which are obtained at this time as new matching conditions, and taking the insulation defect result which is received at this time as a matching result corresponding to the new matching conditions to generate new data;
adding the new data to the insulation defect database.
4. A cable insulation defect detection device, comprising:
the environment characteristic acquisition module is used for acquiring the environment characteristics of the environment where the tested cable is located;
the body characteristic acquisition module is used for acquiring the body characteristics of the tested cable;
the response characteristic acquisition module is used for acquiring the response characteristic of the tested cable to the specified test signal;
the matching module is used for judging whether an insulation defect result matched with the environmental characteristic, the body characteristic and the response characteristic exists in a preset insulation defect database or not;
the output module is used for outputting an insulation defect result when the matching module judges that the insulation defect result matched with the environment characteristic, the body characteristic and the response characteristic exists;
the data adding module is used for generating a new insulation defect result based on the environment characteristic, the body characteristic and the response characteristic which are obtained at this time when the matching module judges that no insulation defect result matched with the environment characteristic, the body characteristic and the response characteristic exists, and adding the environment characteristic, the body characteristic, the response characteristic and the new insulation defect result which are obtained at this time into the insulation defect database as new data;
the cable insulation defect detection device further comprises:
the transmitting unit is used for transmitting a specified test signal to the tested cable;
the receiving unit is used for receiving a response signal of the tested cable;
correspondingly, the response characteristic acquisition module is further configured to calculate a response characteristic of the tested cable according to the specified test signal and the response signal;
the response characteristic of the tested cable is the corresponding relation between the specified test signal and the response signal;
the insulation defect database stores a plurality of insulation defect data, each insulation defect data comprises an insulation defect result and a plurality of matching conditions corresponding to the insulation defect result, and the matching conditions comprise environmental characteristics, body characteristics and response characteristics;
the environmental characteristics comprise an environmental temperature, an environmental humidity and a special environmental type;
the special environment types comprise special operation working conditions of the cable, environments in contact with special chemicals and use environments susceptible to trauma;
the body is characterized by comprising an insulating material, an insulating material manufacturing process and cable service life;
the insulation defect results include defect type, defect location, and defect strength.
5. A terminal device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor implements the steps of the cable insulation defect detection method according to any one of claims 1 to 3 when executing the computer program.
6. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program which, when executed by one or more processors, implements the steps of the cable insulation defect detection method according to any one of claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110297928.0A CN113010577B (en) | 2021-03-19 | 2021-03-19 | Cable insulation defect detection method and device and terminal equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110297928.0A CN113010577B (en) | 2021-03-19 | 2021-03-19 | Cable insulation defect detection method and device and terminal equipment |
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| CN113010577A CN113010577A (en) | 2021-06-22 |
| CN113010577B true CN113010577B (en) | 2023-04-07 |
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