CN116776653B - Full life cycle tracking method and device for power cable - Google Patents
Full life cycle tracking method and device for power cable Download PDFInfo
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Abstract
The invention provides a full life cycle tracking method and device for a power cable, and relates to the technical field of power cables, wherein the method comprises the following steps: constructing a full life cycle monitoring database about the power cable; acquiring the running state of the power cable which is put into use in real time according to the full life cycle monitoring database; when the power cable fails, determining a first life stage of the power cable when the power cable fails, and determining a second life stage corresponding to the failure according to the full life cycle monitoring database; when the first life stage is the same as the second life stage, predicting the fault occurrence of other power cables in the same batch as the power cables. The invention realizes the prediction analysis of the power cable which can possibly generate faults and the faults which can possibly generate the faults by determining that the faults which can generate the same or similar faults with other power cables which are produced, installed or used in the same batch with the corresponding power cable which can generate the faults.
Description
Technical Field
The invention relates to the technical field of power cables, in particular to a full life cycle tracking method and device for a power cable.
Background
In a power system, the reliability of a power cable is directly related to the stability of the whole power system, and the fault of the power cable can bring great influence to the safe operation of the power system, national economy production, people life and the like.
At present, a fault of a power cable is generally processed pertinently after discovery, so that the power cable which is likely to be faulty and the fault which is likely to be generated by the power cable are difficult to effectively predict, and the operation and maintenance of the power system are in a passive state, which is unfavorable for the stable operation of the power system.
Disclosure of Invention
The invention solves the problems that: how to predict a power cable that may fail and how a power cable may fail.
In order to solve the above problems, the present invention provides a full life cycle tracking method for a power cable, including:
constructing a full life cycle monitoring database about the power cable;
acquiring the running state of the power cable which is put into use in real time according to the full life cycle monitoring database;
when the power cable fails, determining a first life stage of the power cable when the power cable fails, and determining a second life stage corresponding to the fault according to the full life cycle monitoring database;
and predicting fault occurrence of other power cables in the same batch as the power cable when the first life stage is the same as the second life stage.
Optionally, the full life cycle of the power cable comprises: the production and manufacturing stage, the logistics transportation stage, the storage stage, the installation stage and the use stage; the use phase comprises an early failure phase, a middle failure phase and a late failure phase; the full life cycle monitoring database is used for monitoring and recording production and manufacturing information of the power cable in the production and manufacturing stage, logistics transportation information in a logistics transportation stage, warehousing information in a warehousing stage, installation information in an installation stage, and service environment information and running state information in the early fault stage, the middle fault stage and the late fault stage in a use stage; the building of the full life cycle monitoring database for the power cable includes:
acquiring relevant information of a life stage of the power cable;
and constructing the full life cycle monitoring database according to the related information.
Optionally, when the first life stage is the same as the second life stage, predicting the occurrence of the fault of the other power cables in the same lot as the power cable includes:
when the first life stage and the second life stage are both the early fault stages, tracing the production and manufacturing information of the power cable, and predicting the fault occurrence condition of other power cables produced in the same batch as the power cable.
Optionally, when the first life stage is the same as the second life stage, predicting the occurrence of the fault of the other power cables in the same lot as the power cable includes:
and when the first life stage and the second life stage are both early fault stages, tracing the installation information of the power cable, and analyzing the fault occurrence condition of other power cables installed in the same batch as the power cable.
Optionally, after the predicting the fault occurrence of other power cables in the same batch as the power cable, the power cable full life cycle tracking method further includes:
and acquiring the failure occurrence rate of the power cable with the same failure in the first life stage according to the full life cycle monitoring database, and improving the production or installation process of the power cable when the failure occurrence rate exceeds a first threshold.
Optionally, when the first life stage is the same as the second life stage, predicting the occurrence of the fault of the other power cables in the same lot as the power cable includes:
and when the first life stage and the second life stage are both the middle-term fault stage, acquiring the service environment information of the power cable, and predicting the fault occurrence condition of other power cables which are used in the same batch with the power cable in the same service environment.
Optionally, when the first life stage is the same as the second life stage, predicting the occurrence of the fault of the other power cables in the same lot as the power cable includes:
and when the first life stage and the second life stage are both the late fault stage, acquiring historical use environment information of the power cable, and predicting fault occurrence conditions of other power cables which are similar to the power cable in the similar historical use environment.
Optionally, when the first life stage is the same as the second life stage, predicting the occurrence of the fault of the other power cables in the same lot as the power cable includes:
when the first life stage and the second life stage are both early fault stages, the storage information and the logistics transportation information of the power cable are traced back, and the fault occurrence condition of other power cables stored or transported in the same batch with the power cable is predicted.
In order to solve the above-mentioned problems, the present invention further provides a full life cycle tracking device for a power cable, including:
a database construction unit for constructing a full life cycle monitoring database about the power cable;
the acquisition unit is used for acquiring the running state of the power cable which is put into use in real time according to the full life cycle monitoring database;
the life stage determining unit is used for determining a first life stage and a second life stage corresponding to the fault when the power cable fails;
and the fault occurrence prediction unit is used for predicting the fault occurrence of other power cables in the same batch as the power cable when the first life stage is the same as the second life stage.
In order to solve the above problems, the present invention further provides a power cable full life cycle tracking device, which includes a computer readable storage medium storing a computer program and a processor, wherein the computer program is read and executed by the processor to implement the power cable full life cycle tracking method.
Compared with the prior art, the invention has the following beneficial effects: the method determines that the same or similar faults can occur to other power cables which are produced, installed or used in the same batch as the corresponding faulty power cable through determining the first life stage and the second life stage corresponding to the faults when the power cable breaks down, so that the fault occurrence condition of the other power cables which are in the same batch as the corresponding faulty power cable is predicted, the power cable which can break down and the faults which can occur to the power cable are predicted and analyzed, fault coping plans and the like can be made in advance, and stable operation of the power system is ensured.
Drawings
FIG. 1 is a flowchart of a method for tracking a full life cycle of a power cable according to an embodiment of the present invention;
FIG. 2 is a sub-flowchart of step 100 in an embodiment of the present invention;
fig. 3 is a flowchart of a full life cycle tracking method of a power cable according to another embodiment of the invention.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
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.
Referring to fig. 1, an embodiment of the present invention provides a full life cycle tracking method for a power cable, including the following steps:
step 100, constructing a full life cycle monitoring database for the power cable.
Specifically, based on the fact that the full life cycle of the power cable has different life stages, such as a production manufacturing stage, a logistics transportation stage, a storage stage, an installation stage, a use stage (corresponding to the power cable put into use in the power system), and the like, the use stage further includes life stages (described later) such as an early fault stage, a middle fault stage, and a late fault stage, and the like, through step 100, a full life cycle monitoring database is constructed for the power cable, so as to monitor and record relevant information of each life stage that the power cable experiences in real time, so as to facilitate subsequent data analysis and processing such as tracing.
Step 200, acquiring the running state of the power cable which is put into use in real time according to the full life cycle monitoring database.
Specifically, the method obtains, in real time, the running state information of the power cable that is monitored and recorded in real time in the full life cycle monitoring database and is put into use (i.e. in the use stage) through step 200, so as to discover the change of the running state of the power cable in time, such as occurrence of a fault. The full life cycle monitoring database can monitor the running state of the power cable in use in real time by adopting a device such as a cable on-line monitoring device so as to determine whether the corresponding power cable is in a running state for stably conveying electric energy, and notify or warn corresponding management personnel when the corresponding power cable fails (cannot stably convey electric energy), and the like.
And 300, when the power cable fails, determining a first life stage in which the power cable fails, and determining a second life stage corresponding to the failure according to the full life cycle monitoring database.
Specifically, when it is determined that the power cable put into use has failed according to step 200, the life stage (referred to as the first life stage) in which the power cable put into use has failed is determined through step 300; based on the difference of possible fault types of the power cable in use (described later), there is generally a corresponding relationship between the corresponding fault type and the life stage, and by entering the corresponding relationship between the corresponding fault type and the life stage into the full life cycle monitoring database, in step 300, the life stage (recorded as the second life stage) corresponding to the fault can be determined according to the fault type by the full life cycle monitoring database. The life stages of the power cable put into use may be divided according to the life cycle of the power cable, which includes an early failure period, an occasional failure period (mid-term failure period), and a wear-out failure period (late failure period) (described later).
Step 400, predicting the fault occurrence of other power cables in the same batch as the power cable when the first life stage is the same as the second life stage.
In particular, faults during the life cycle (lifetime) of the power cable in use generally follow the law of bathtub curves; when there is a corresponding failure of a power cable, there may be the same or similar failure as other power cables produced or installed in the same lot as the power cable.
For a failure curve of the power cable, a bathtub curve, for example, for a power cable with a lifetime of 25a (years), the life phase after its use is generally divided into three phases: (1) the early failure period generally occurs within 0-5 a, and the failure causes are defects in cable manufacturing or installation; (2) the accidental fault period (middle fault period) generally occurs within about 5-25 a, and the fault causes are most accidental causes such as external force damage and the like; (3) wear out failure (late failure) generally occurs when cable insulation ages under long-term effects of electrical, thermal, mechanical, and environmental stresses after the cable begins to age, thereby causing aging failure. These three phases take on the shape of a bathtub curve with a low middle and high ends, and the failure rate to late stage of aging (late stage) increases sharply due to accelerated aging. In this regard, the second life stage corresponding to the fault in step 300 may be determined according to the type of the fault by associating each stage of the power cable after the power cable is put into use and the type of the fault that may be generated with the power cable and logging the corresponding stage into the full life cycle monitoring database.
Thus, after determining the first life stage and the second life stage of the power cable according to step 300, if the first life stage and the second life stage are different, the fault of the power cable may be accidental, rather than the fault that may be generated by the corresponding life stage (first life stage); when the first life stage is identical to the second life stage, the failure of the power cable is a failure that may occur in the corresponding life stage (first life stage), at which time there may be the same or similar failure as other power cables that are produced, installed, or used in the same lot as the power cable. Through step 400, the fault occurrence condition (such as fault type) of other power cables in the same batch with the power cable is analyzed (predicted), so that the power cable with the fault occurrence possibility and the fault possible to occur by the power cable are predicted and analyzed, the fault coping plan is conveniently made in advance, and the stable operation of the power system is ensured.
In this way, the method is based on the full life cycle monitoring database, and by determining the first life stage where the power cable is in fault and the second life stage corresponding to the fault, the fault which is the same as or similar to other power cables produced, installed or used in the same batch as the corresponding fault power cable is determined, so that the fault occurrence condition of the other power cables in the same batch as the corresponding fault power cable is predicted, the power cable which is likely to be in fault and the fault which is likely to be in fault are predicted and analyzed, so that a fault coping plan and the like are made in advance, and the stable operation of the power system is ensured.
Optionally, step 400 includes:
when the first life stage and the second life stage are both early fault stages, the production and manufacturing information of the power cable is traced, and the fault occurrence condition of other power cables produced in the same batch as the power cable is predicted.
Specifically, when the power cable has an early failure in an early failure period, such as a failure caused by a defect in the production and manufacture of the power cable, the production and manufacture information of the power cable can be traced back according to the full life cycle monitoring database to determine other power cables produced in the same batch as the power cable, so as to perform predictive analysis on the failure occurrence condition of the other power cables, such as predicting that the other power cables may have the same or similar failure in the first life stage after being put into use. The corresponding information, such as the identification of the power cable, which can prove the identity information of the power cable, can be input into the full life cycle monitoring database to trace the information.
Optionally, step 400 includes:
when the first life stage and the second life stage are both early fault stages, the installation information of the power cables is traced back, and fault occurrence conditions of other power cables installed in the same batch as the power cables are analyzed.
Specifically, when an early failure occurs in the early failure period, such as a failure caused by a defect in the installation of the power cable, there may be the same or similar failure occurring in other power cables installed in the same batch as the power cable, so that the installation information of the power cable may be traced back according to the full life cycle monitoring database to determine other power cables installed in the same batch as the power cable (such as other power cables in the same region, the same date or the same installation process), so that the failure occurrence of other power cables is predicted and analyzed, such as the prediction that the same or similar failure may occur in the first life period after the other power cables are put into use.
Optionally, the full life cycle of the power cable comprises: the production and manufacturing stage, the logistics transportation stage, the storage stage, the installation stage and the use stage; the use phase comprises an early failure phase, a middle failure phase and a late failure phase; the full life cycle monitoring database is used for monitoring and recording production and manufacturing information of the power cable in a production and manufacturing stage, logistics transportation information in a logistics transportation stage, warehousing information in a warehousing stage, installation information in an installation stage, and use environment information and operation state information in early, middle and late fault stages in a use stage.
In this embodiment, the full life cycle of the power cable generally includes: the system comprises a production and manufacturing stage, a logistics transportation stage, a storage stage, an installation stage and a use stage, wherein the use stage further comprises an early-stage fault stage, a middle-stage fault stage and a late-stage fault stage. The full life cycle monitoring database is used for monitoring and recording corresponding information of the power cable in each life stage so as to facilitate the subsequent corresponding information analysis and processing.
Optionally, the full life cycle monitoring database is used for monitoring and recording corresponding information of each life stage of all power cables in the corresponding power system in real time. The monitoring and recording of the corresponding information before the power cable is put into use in the power system can be obtained through the full life cycle monitoring database by abutting the corresponding management system before the power cable is put into use, such as obtaining production and manufacturing information of the power cable by abutting the corresponding management system of a power cable manufacturer, obtaining logistics transportation information of the power cable by abutting the corresponding management system for logistics transportation of the power cable, obtaining warehouse information of the power cable by abutting the corresponding management system for logistics warehouse of the power cable, and the like.
Optionally, the full life cycle monitoring database is further used for recording the correspondence between each stage (early fault period, middle fault period and late fault period) of the power cable after the power cable is put into use and the fault types possibly generated, so as to determine the second life stage corresponding to the fault according to the fault types in step 300, facilitate information tracing, and the like.
As shown in conjunction with fig. 1 and 2, step 100 includes:
step 110, acquiring relevant information of a life stage of the power cable;
and 120, constructing a full life cycle monitoring database according to the related information.
Specifically, in step 100, for a power cable used in a power system, related information of each life stage that the power cable passes through is obtained through step 110, and then the information is sorted, classified, etc. (which is convenient for subsequent information tracing) through step 120, so as to construct a full life cycle monitoring database.
Optionally, as shown in connection with fig. 1 and 3, after step 400, the power cable full life cycle tracking method further includes:
and 500, acquiring the failure occurrence rate of the power cable with the same failure in the first life stage according to the full life cycle monitoring database, and improving the production or installation process of the power cable when the failure occurrence rate exceeds a first threshold value.
Specifically, according to the full life cycle monitoring database, the failure occurrence rate of the power cable with the same failure in the first life stage is obtained and counted, for example, the failure occurrence rate of the power cable with the same failure caused by the defect in production and manufacture in the first life stage is obtained and counted, and when the failure occurrence rate exceeds a first threshold value, the production and manufacture process of the power cable is proved to have a great defect, and improvement is needed so as to avoid the same failure of the power cable in subsequent production and manufacture; and acquiring and counting the failure occurrence rate of the power cable with the same failure caused by the defect during installation in the first life stage, and when the failure occurrence rate exceeds a first threshold value, indicating that the installation process of the power cable has great defects, and improving the power cable to prevent the power cable installed by the subsequent same installation process from generating the same failure. The first threshold value can be set according to actual requirements; based on certain contingency of faults, the faults caused by the fact that the first threshold value is too small need to be avoided, so that improvement of production or installation technology is affected, cost is increased, and efficiency is reduced; and when the power cables with a certain ratio have the same faults, the production or installation process which causes the faults can be proved to have great defects, and improvement is needed, so that the first threshold value is also needed to be avoided from being excessively set.
Optionally, step 400 includes:
when the first life stage and the second life stage are both middle-term fault stages, the service environment information of the power cable is obtained, and the fault occurrence condition of other power cables which are used in the same batch with the power cable in the same service environment is predicted.
Specifically, when a power cable has a mid-term failure during the mid-term failure, such as due to an occasional cause of external damage, etc., which is generally related to the use environment of the power cable, there may be the same or similar failure of other power cables used in the same use environment in the same lot as the power cable. Therefore, by acquiring the usage environment information of the power cable, if the malfunction of the power cable is caused by the usage environment change, it is predicted that similar malfunction will occur in other power cables used in the same usage environment in the same lot as the power cable.
Optionally, step 400 includes:
when the first life stage and the second life stage are both late fault stages, historical use environment information of the power cable is obtained, and fault occurrence conditions of other power cables which are similar to the power cable in the similar historical use environment are predicted.
In particular, when a power cable experiences a late fault, such as an aging fault, etc., during a late fault period, which is generally associated with a long-term use environment (historical use environment) of the power cable, there may be a similar or similar fault in the similar historical use environment to other power cables of the same type (or the same kind) as the power cable, such as a similar aging fault may occur in the same type of power cable located in the same area. Therefore, by acquiring the historical usage environment information of the power cable, if the failure of the power cable is caused by the historical usage environment, it is predicted that similar failures will occur in other power cables of the same type as the power cable in similar historical usage environments.
Optionally, step 400 includes:
when the first life stage and the second life stage are both early fault stages, the storage information and the logistics transportation information of the power cables are traced, and the fault occurrence condition of other power cables stored in the same batch or transported in logistics with the power cables is predicted.
Specifically, when the power cable has an early failure in an early failure period, such as a failure caused by a defect in storage or logistics transportation of the power cable, other power cables stored in the same batch or transported in logistics with the power cable can be determined according to pre-recorded storage information, logistics transportation information and the like of the power cable, so that the failure occurrence of the other power cables is predicted and analyzed, such as the prediction that the other power cables may have the same or similar early failure in a first life stage after being put into use.
Another embodiment of the present invention provides a full life cycle tracking device for a power cable, including:
a database construction unit for constructing a full life cycle monitoring database about the power cable;
the acquisition unit is used for acquiring the running state of the power cable which is put into use in real time according to the full life cycle monitoring database;
the life stage determining unit is used for determining a first life stage and a second life stage corresponding to the fault when the power cable fails;
and the fault occurrence prediction unit is used for predicting the fault occurrence of other power cables in the same batch as the power cable when the first life stage is the same as the second life stage.
In this embodiment, by means of the labor division coordination of the database construction unit, the acquisition unit, the life stage determination unit and the fault occurrence condition prediction unit, the stable implementation and operation of the power cable full life cycle tracking method are realized, and the analysis (prediction) of the fault occurrence condition (such as the fault type) of other power cables in the same batch with the corresponding fault power cable is realized, so that the power cable which may have faults and the fault which may occur in the power cable are predicted and analyzed, the fault coping plan is convenient to be made in advance, and the stable operation of the power system is ensured.
Another embodiment of the present invention provides a power cable full life cycle tracking device, including a computer readable storage medium storing a computer program and a processor, where the computer program is read and executed by the processor to implement the above power cable full life cycle tracking method.
In this way, the full life cycle tracking method of the power cable is executed through the cooperation of the structures such as the processor of the full life cycle tracking device of the power cable and the computer readable storage medium, so that the full life cycle tracking method of the power cable can be smoothly and stably executed, analysis (prediction) of fault occurrence conditions (such as fault types and the like) of other power cables in the same batch with the corresponding fault power cable is realized, the power cable which is likely to be in fault and the fault which is likely to be in fault are predicted and analyzed, the fault coping plan and the like are conveniently made in advance, and the stable operation of the power system is ensured.
The technical solution of the embodiment of the present invention may be implemented in a software product, where the software product is stored in a storage medium, and includes several instructions to cause a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor to perform all or part of the steps of the method of the embodiment of the present invention. And the aforementioned storage medium includes: a usb disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk, etc.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention, and the scope of the invention should be assessed accordingly to that of the appended claims.
Claims (10)
1. A method for tracking the full life cycle of a power cable, comprising:
constructing a full life cycle monitoring database about a power cable, wherein the full life cycle monitoring database records the fault type of the power cable and the life stage corresponding to the fault type;
acquiring the running state of the power cable which is put into use in real time according to the full life cycle monitoring database;
when the power cable fails, determining a first life stage of the power cable when the power cable fails, and determining a second life stage corresponding to the fault according to the full life cycle monitoring database;
and predicting fault occurrence of other power cables in the same batch as the power cable when the first life stage is the same as the second life stage.
2. The power cable full life cycle tracking method of claim 1, wherein the power cable full life cycle comprises: the production and manufacturing stage, the logistics transportation stage, the storage stage, the installation stage and the use stage; the use phase comprises an early failure phase, a middle failure phase and a late failure phase; the full life cycle monitoring database is used for monitoring and recording production and manufacturing information of the power cable in the production and manufacturing stage, logistics transportation information in a logistics transportation stage, warehousing information in a warehousing stage, installation information in an installation stage, and service environment information and running state information in the early fault stage, the middle fault stage and the late fault stage in a use stage; the building of the full life cycle monitoring database for the power cable includes:
acquiring relevant information of a life stage of the power cable;
and constructing the full life cycle monitoring database according to the related information.
3. The power cable full life cycle tracking method of claim 2, wherein predicting a fault occurrence of other power cables of the same lot as the power cable when the first life stage is the same as the second life stage comprises:
when the first life stage and the second life stage are both the early fault stages, tracing the production and manufacturing information of the power cable, and predicting the fault occurrence condition of other power cables produced in the same batch as the power cable.
4. The power cable full life cycle tracking method of claim 2, wherein predicting a fault occurrence of other power cables of the same lot as the power cable when the first life stage is the same as the second life stage comprises:
and when the first life stage and the second life stage are both early fault stages, tracing the installation information of the power cable, and analyzing the fault occurrence condition of other power cables installed in the same batch as the power cable.
5. The power cable full life cycle tracing method of claim 3 or 4, wherein after said predicting the occurrence of a fault in other power cables of the same lot as said power cable, said power cable full life cycle tracing method further comprises:
and acquiring the failure occurrence rate of the power cable with the same failure in the first life stage according to the full life cycle monitoring database, and improving the production or installation process of the power cable when the failure occurrence rate exceeds a first threshold.
6. The power cable full life cycle tracking method of claim 2, wherein predicting a fault occurrence of other power cables of the same lot as the power cable when the first life stage is the same as the second life stage comprises:
and when the first life stage and the second life stage are both the middle-term fault stage, acquiring the service environment information of the power cable, and predicting the fault occurrence condition of other power cables which are used in the same batch with the power cable in the same service environment.
7. The power cable full life cycle tracking method of claim 2, wherein predicting a fault occurrence of other power cables of the same lot as the power cable when the first life stage is the same as the second life stage comprises:
and when the first life stage and the second life stage are both the late fault stage, acquiring historical use environment information of the power cable, and predicting fault occurrence conditions of other power cables which are similar to the power cable in the similar historical use environment.
8. The power cable full life cycle tracking method of claim 2, wherein predicting a fault occurrence of other power cables of the same lot as the power cable when the first life stage is the same as the second life stage comprises:
when the first life stage and the second life stage are both early fault stages, the storage information and the logistics transportation information of the power cable are traced back, and the fault occurrence condition of other power cables stored or transported in the same batch with the power cable is predicted.
9. A power cable full life cycle tracking device, comprising:
a database construction unit, configured to construct a full life cycle monitoring database related to a power cable, where the full life cycle monitoring database records a fault type of the power cable and a life stage corresponding to the fault type;
the acquisition unit is used for acquiring the running state of the power cable which is put into use in real time according to the full life cycle monitoring database;
the life stage determining unit is used for determining a first life stage and a second life stage corresponding to the fault when the power cable fails;
and the fault occurrence prediction unit is used for predicting the fault occurrence of other power cables in the same batch as the power cable when the first life stage is the same as the second life stage.
10. A power cable full life cycle tracking device comprising a computer readable storage medium storing a computer program and a processor, the computer program when read and executed by the processor implementing the power cable full life cycle tracking method of any of claims 1-8.
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