CN114626131B - Power grid power infrastructure safety evaluation analysis method, system and storage medium - Google Patents
Power grid power infrastructure safety evaluation analysis method, system and storage medium Download PDFInfo
- Publication number
- CN114626131B CN114626131B CN202210292001.2A CN202210292001A CN114626131B CN 114626131 B CN114626131 B CN 114626131B CN 202210292001 A CN202210292001 A CN 202210292001A CN 114626131 B CN114626131 B CN 114626131B
- Authority
- CN
- China
- Prior art keywords
- tower
- power transmission
- bearing
- transmission tower
- leg
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004458 analytical method Methods 0.000 title claims abstract description 60
- 238000011156 evaluation Methods 0.000 title claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 209
- 229910000831 Steel Inorganic materials 0.000 claims description 47
- 239000010959 steel Substances 0.000 claims description 47
- 239000000178 monomer Substances 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 24
- 238000010276 construction Methods 0.000 claims description 11
- 238000004364 calculation method Methods 0.000 claims description 9
- 238000013461 design Methods 0.000 claims description 9
- 238000012216 screening Methods 0.000 claims description 8
- 238000004590 computer program Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 102100037651 AP-2 complex subunit sigma Human genes 0.000 claims description 3
- 101000806914 Homo sapiens AP-2 complex subunit sigma Proteins 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 229910052742 iron Inorganic materials 0.000 description 7
- 230000006870 function Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 241000282326 Felis catus Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
- G06Q50/26—Government or public services
- G06Q50/265—Personal security, identity or safety
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/02—Reliability analysis or reliability optimisation; Failure analysis, e.g. worst case scenario performance, failure mode and effects analysis [FMEA]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/14—Force analysis or force optimisation, e.g. static or dynamic forces
-
- 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
Abstract
The invention discloses a power grid electric power infrastructure safety evaluation analysis method, a system and a storage medium, wherein a target power transmission tower is divided into a tower head structure, a tower body structure and a tower leg structure, so that the stability analysis of a single structure is carried out on each component structure, the instability index of the single structure corresponding to each component structure is evaluated, meanwhile, the connection bearing stability analysis is carried out on each component structure, and the bearing instability index of the tower body to the tower head and the bearing instability index of the tower leg to the tower body are evaluated, so that the evaluation result is combined to comprehensively judge whether the target power transmission tower is suitable for continuous operation, the comprehensive evaluation analysis of the operation safety of the power transmission tower is realized, the defect that the operation safety evaluation of the power transmission tower is too unilateral in the prior art is overcome, and the evaluation mode is adopted to judge whether the target power transmission tower is suitable for continuous operation, and the reliability of the judgment result can be effectively improved.
Description
Technical Field
The invention belongs to the technical field of power facility safety evaluation, and particularly relates to a power grid power infrastructure safety evaluation analysis method, a system and a storage medium.
Background
In the power system architecture, the overhead line has the advantages of low one-time investment cost, easy construction, short construction period and the like, and is a main power transmission line type, but the overhead line needs to be erected at high altitude, so that overhead fixing of the power transmission line is an important construction aspect of overhead line construction, at present, the overhead fixing of the power transmission line is basically realized by adopting a power transmission iron tower, the power transmission iron tower is used as an infrastructure of the overhead line and plays a role in protection and support, and once the power transmission iron tower is supported unstably, the power transmission failure of the overhead line is caused, even power transmission interruption is caused, and the power transmission stability of the overhead line is seriously influenced. It can be seen that it is necessary to evaluate the operational safety of the pylon.
The transmission tower is in the composition structure by tower head structure, body of a tower structure and tower leg structure constitution, and owing to the positional relationship of each composition structure, there is bearing connection between the composition structure, and wherein the tower head structure is connected with the body of a tower structure, and the body of a tower structure has bearing function to the tower head structure, and the body of a tower structure is connected with the tower leg structure, and the tower leg structure has bearing function to the body of a tower structure. In the prior art, most of evaluation concern points of operation safety of a power transmission tower fall on the stability of each component structure of the power transmission tower, neglecting bearing stability among the component structures, when the bearing stability among the component structures is poor, the borne party is easy to break and even collapse, the power transmission stability of an overhead line can be influenced, and the collapsed component structure can cause huge life and property loss to the passing personnel below.
In summary, only the stability of each component structure of the power transmission tower is evaluated, and obviously, the evaluation result is too single-sided, and the operation safety of the power transmission tower cannot be comprehensively reflected.
Disclosure of Invention
Aiming at the problems, the technical task of the invention is to provide a power grid power infrastructure safety evaluation analysis method, a system and a storage medium which integrate the evaluation of the stability of each component structure monomer framework and the evaluation of the bearing stability among the component structures, and can effectively make up the defects of the prior art in the evaluation of the operation safety of the power transmission tower.
The aim of the invention can be achieved by the following technical scheme:
in a first aspect, the invention provides a method for evaluating and analyzing the safety of a power grid power infrastructure, comprising the following steps:
s1: the method comprises the steps that a power transmission tower in an operation state at present is recorded as a target power transmission tower, and then the target power transmission tower is divided into a tower head structure, a tower body structure and a tower leg structure;
s2: carrying out single-body architecture stability analysis on each component structure divided by the target power transmission tower, and evaluating a single-body architecture instability index corresponding to each component structure according to an analysis result;
s3: carrying out connection bearing stability analysis on each component structure divided by the target transmission tower, and evaluating the bearing instability index of the tower body to the tower head and the bearing instability index of the tower leg to the tower body according to analysis results;
s4: acquiring the current operation age corresponding to the target power transmission tower, and further determining the structural instability reference parameter corresponding to the current operation age of the target power transmission tower;
s5: and comparing the single framework instability index corresponding to each component structure of the target power transmission tower, the bearing instability index of the tower body to the tower head and the bearing instability index of the tower leg to the tower body with the structure instability reference parameters corresponding to the current operation years of the target power transmission tower, and judging whether the target power transmission tower is suitable for continuous operation according to the comparison result.
According to one implementation manner of the first aspect of the present invention, the dividing the composition structure of the target pylon in S1 specifically includes the following steps:
s1-1, three-dimensional image acquisition is carried out on a target power transmission tower;
s1-2, extracting the overall appearance outline shape from the acquired three-dimensional image of the target transmission tower;
s1-3, matching the extracted appearance outline shape with the overall appearance outline shape corresponding to various power transmission tower shapes, determining a tower shape corresponding to a target power transmission tower from the overall appearance outline shape, and marking the tower shape as a designated tower shape;
s1-4, selecting a designated tower type three-dimensional image of the transmission tower from a structure database, and extracting the outline of each component structure from the three-dimensional image;
s1-5, comparing and matching the outline of each component structure in the designated tower type of the transmission tower on the three-dimensional image of the target transmission tower, and if the outline of a certain component structure is successfully matched with a part of structure on the three-dimensional image of the target transmission tower, the part of structure is the component structure, so that the target transmission tower is divided into a tower head structure, a tower body structure and a tower leg structure, and meanwhile, the connection area of the tower head structure and the tower body structure and the connection area of the tower body structure and the tower leg structure are obtained.
According to one implementation manner of the first aspect of the present invention, the specific evaluation method for evaluating the instability index of the monomer architecture corresponding to each component structure in S2 is described in the following steps:
s2-1, acquiring a fixed angle of a tower head structure corresponding to a target power transmission tower, and evaluating a monomer architecture instability index corresponding to the tower head structure, wherein the method comprises the following specific steps:
s2-1-1, focusing a three-dimensional image of a target transmission tower on a tower head structure, and extracting a central axis of the tower head structure from the three-dimensional image;
s2-1-2, measuring an angle between a central axis of the tower head structure and a horizontal line, and taking the angle as a fixed angle of the target transmission tower corresponding to the tower head structure;
s2-1-3, comparing the fixed angle of the tower head structure corresponding to the target transmission tower with a standard fixed angle, and evaluating the instability index of the monomer framework corresponding to the tower head structure, wherein the evaluation formula is as followsη Tower head Expressed as a single-body framework instability index corresponding to a tower head structure, delta is expressed as a fixed angle corresponding to the tower head structure of the target power transmission tower, delta is expressed as 0 Expressed as a standard fixed angle;
s2-2, analyzing the deformation degree of the angle steel component of the tower body structure corresponding to the target power transmission tower, and evaluating the single-body framework instability index corresponding to the tower body structure, wherein the specific steps are as follows:
s2-2-1, focusing a three-dimensional image of a target transmission tower on a tower body structure, further counting the number of angle steel components existing in the tower body structure, and numbering the angle steel components as 1,2 in sequence;
s2-2-2, obtaining the length of each angle steel member from the three-dimensional image of the target transmission tower, and marking the length as L i Positioning the head end and the tail end corresponding to each angle steel member, and further taking the head end and the tail end corresponding to each angle steel member as two end points to serve as a line segment of a set structure corresponding to each angle steel member;
s2-2-3, making a line segment along the self-structure trend of each angle steel member, and marking the line segment as a self-structure line segment corresponding to each angle steel member;
s2-2-4, overlapping and comparing the self structural line segment corresponding to each angle steel component with the set structural line segment corresponding to each angle steel component, obtaining the length of the non-overlapping part from the overlapping part, taking the length as the deformed part length, and marking as l i ；
S2-2-5, comparing the length of each angle steel member with the length of the deformed part, and evaluating the instability index of the monomer framework corresponding to the tower head structure, wherein the evaluation formula is as followsExpressed as a monomer architecture instability index corresponding to a tower head structure, l i Expressed as the length of the deformed portion corresponding to the ith angle steel member, L i Expressed as the length of the i-th angle steel member;
s2-3, acquiring the inclination of a tower leg structure corresponding to the target power transmission tower, and evaluating the monomer architecture instability index corresponding to the tower leg structure, wherein the specific steps are as follows:
s2-3-1, focusing a three-dimensional image of a target transmission tower on a tower leg structure, counting the number of tower legs, and further numbering each tower leg as 1,2, j, m;
s2-3-2, acquiring the inclination angle between each tower leg and the ground from the three-dimensional image of the target transmission tower, and recording as theta j ；
S2-3-3, connecting each tower leg with each tower legComparing the inclination angle between the ground and the initial inclination angle between each tower leg and the ground when the construction of the target transmission tower is completed, and calculating the single-body framework instability index corresponding to the tower leg structure, wherein the calculation formula is as followsη Tower leg Expressed as a single-body architecture instability index corresponding to a tower leg structure, theta j Expressed as the inclination angle between the jth tower leg and the ground, θ' j Expressed as an initial inclination angle between the j-th leg and the ground when the construction of the target pylon is completed.
According to one implementation manner of the first aspect of the present invention, the estimating the index of instability of the tower body to the tower head and the index of instability of the tower leg to the tower body in S3 specifically includes:
s3-1, focusing a three-dimensional image of a target power transmission tower on a connecting area of a tower head structure and a tower body structure, counting the number of connecting points in the connecting area, positioning the position of each connecting point, and further collecting the bearing pressure of each connecting point;
s3-2, comparing the bearing pressure of each connection point in the connection area between the tower head structure and the tower body structure, and screening out the maximum bearing capacity and the minimum bearing capacity, wherein the maximum bearing capacity is denoted as f Tower head-tower body max, the minimum bearing capacity is denoted as f Tower head-tower body min；
S3-3, comparing the maximum bearing capacity with the minimum bearing capacity in the connecting area between the tower head structure and the tower body structure, and evaluating the bearing instability index of the tower body to the tower head, wherein the calculation formula is as follows
Sigma 1 is expressed as the index of bearing instability of the tower body to the tower head, and Deltaf 0 Expressed as the minimum allowable load capacity difference;
s3-4, focusing a three-dimensional image of a target transmission tower on a connecting area of a tower body structure and a tower leg structure, counting the number of connecting points in the connecting area, positioning the position of each connecting point, and further collecting the bearing pressure of each connecting point;
s3-5, comparing the bearing pressure of each connection point in the connection area between the tower body structure and the tower leg structure, and screening out the maximum bearing capacity and the minimum bearing capacity, wherein the maximum bearing capacity is denoted as f Tower body-tower leg max, the minimum bearing capacity is denoted as f Tower body-tower leg min；
S3-6, comparing the maximum bearing capacity with the minimum bearing capacity in the connecting area between the tower body structure and the tower leg structure, and evaluating the bearing instability index of the tower leg to the tower body, wherein the calculation formula is as follows
Sigma 2 is expressed as the index of bearing instability of the tower leg to the tower body, Δf 0 Expressed as the minimum allowable load capacity difference.
According to one implementation manner of the first aspect of the present invention, the structural instability reference parameters include a maximum allowable value of a single-body structural instability index of each component structure, a maximum allowable value of a bearing instability index of a tower body to a tower head, and a maximum allowable value of a bearing instability index of a tower leg to the tower body.
According to one implementation manner of the first aspect of the present invention, the method for determining the structural instability reference parameter corresponding to the current operational life of the target power transmission tower performs the following steps:
the first step: the method comprises the steps of obtaining a design operation period corresponding to a target power transmission tower, and dividing the design operation period into a plurality of operation stages according to the design operation period, wherein each operation stage is an operation period formed by an initial operation period and an ending operation period;
and a second step of: comparing the current operation period of the target power transmission tower with the operation period corresponding to each operation stage, if the current operation period of the target power transmission tower falls within the operation period corresponding to a certain operation stage, the current operation period of the target power transmission tower belongs to the operation stage, and recording the operation stage as a designated operation stage;
and a third step of: comparing the designated operation stage with the structural instability reference parameters corresponding to each operation stage in the reference database, and screening the structural instability reference parameters corresponding to the designated operation stage.
According to one implementation manner of the first aspect of the present invention, the method for determining whether the target pylon is suitable for continuous operation refers to the following steps:
step 1: analyzing the single operation safety coefficient of each component structure corresponding to the target transmission tower;
step 2, analyzing the bearing operation safety coefficient of the tower body to the tower head and the bearing operation safety coefficient of the tower leg to the tower body in the target transmission tower;
step 3: if the single operation safety coefficient of the target power transmission tower corresponding to each component structure, the bearing operation safety coefficient of the tower body to the tower head and the bearing operation safety coefficient of the tower leg to the tower body are all 1, judging that the target power transmission tower is suitable for continuous operation, otherwise, judging that the target power transmission tower is not suitable for continuous operation.
According to one implementation manner of the first aspect of the present invention, the specific analysis manner corresponding to the step 1 is that if the instability index of the monomer architecture corresponding to a certain component structure is less than or equal to the maximum allowable value of the instability index of the monomer architecture corresponding to the component structure, the operation safety coefficient of the monomer of the component structure is recorded as 1, otherwise the operation safety coefficient of the monomer of the component structure is recorded as 0, and the specific analysis manner corresponding to the step 2 refers to the step 1.
In a second aspect, the present invention provides a system for evaluating and analyzing security of a power grid infrastructure, comprising:
the target power transmission tower forms a structure division module which is used for carrying out structure division on the target power transmission tower;
the component structure single framework stability analysis module is used for carrying out single framework stability analysis on each component structure divided by the target transmission tower and evaluating a single framework instability index corresponding to each component structure according to an analysis result;
the component structure connection bearing stability analysis module is used for carrying out connection bearing stability analysis on each component structure divided by the target transmission tower, and evaluating the bearing instability index of the tower body to the tower head and the bearing instability index of the tower leg to the tower body according to analysis results;
the structural instability reference parameter determining module is used for determining structural instability reference parameters corresponding to the current operation years of the target power transmission tower based on the current operation years corresponding to the target power transmission tower;
the reference database is used for storing structural instability reference parameters corresponding to each operation stage of the target transmission tower;
the structure database is used for storing three-dimensional images corresponding to various power transmission tower shapes;
the target power transmission tower operation judging terminal is used for comparing the single framework instability index corresponding to each component structure of the target power transmission tower, the bearing instability index of the tower body to the tower head and the bearing instability index of the tower leg to the tower body with the structure instability reference parameters corresponding to the current operation years of the target power transmission tower, and judging whether the target power transmission tower is suitable for continuous operation according to the comparison result.
In a third aspect, the present invention provides a storage medium, where a computer program is burned, where the computer program implements the grid power infrastructure security assessment and analysis method according to the present invention when running in a memory of a server.
The invention has the advantages and positive effects that by combining all the technical schemes
According to the invention, the target power transmission tower is divided into the tower head structure, the tower body structure and the tower leg structure, so that the single structure stability analysis is carried out on each component structure, the single structure instability index corresponding to each component structure is evaluated, meanwhile, the connection bearing stability analysis is carried out on each component structure, and the bearing instability index of the tower body to the tower head and the bearing instability index of the tower leg to the tower body are evaluated, so that whether the target power transmission tower is suitable for continuous operation is comprehensively judged according to the evaluation result, the comprehensive evaluation analysis of the operation safety of the power transmission tower is realized, the defect that the operation safety of the power transmission tower is excessively on one surface in the prior art is overcome, and the reliability of the judgment result can be effectively improved by judging whether the target power transmission tower is suitable for continuous operation in the evaluation mode.
Drawings
The invention will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the invention, and other drawings can be obtained by one of ordinary skill in the art without inventive effort from the following drawings.
FIG. 1 is a flow chart of the method steps of the present invention;
fig. 2 is a schematic diagram of system module connection according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, in a first aspect, the present invention provides a method for evaluating and analyzing security of a power grid infrastructure, including the steps of:
s1: the method comprises the steps of marking a power transmission iron tower in an operation state as a target power transmission iron tower, dividing the target power transmission iron tower into a tower head structure, a tower body structure and a tower leg structure, wherein the dividing of the component structure specifically comprises the following steps:
s1-1, three-dimensional image acquisition is carried out on a target power transmission tower;
s1-2, extracting the overall appearance outline shape from the acquired three-dimensional image of the target transmission tower;
s1-3, matching the extracted appearance outline shape with the overall appearance outline shape corresponding to various power transmission tower shapes, determining a tower shape corresponding to a target power transmission tower from the overall appearance outline shape, and marking the tower shape as a designated tower shape;
in some alternative schemes, the tower type of the power transmission iron tower comprises a wine glass type tower, a cat head type tower, a dry type tower, a drum type tower and the like;
s1-4, selecting a designated tower type three-dimensional image of the transmission tower from a structure database, and extracting the outline of each component structure from the three-dimensional image;
s1-5, comparing and matching the outline of each component structure in the designated tower type of the transmission tower on a target transmission tower three-dimensional image, and if the outline of a certain component structure is successfully matched with a part of structure on the target transmission tower three-dimensional image, the part of structure is the component structure, so that the target transmission tower is divided into a tower head structure, a tower body structure and a tower leg structure, and meanwhile, a connection region of the tower head structure and the tower body structure and a connection region of the tower body structure and the tower leg structure are obtained;
s2: the method comprises the steps of carrying out single-body architecture stability analysis on each component structure divided by a target power transmission tower, and evaluating a single-body architecture instability index corresponding to each component structure according to an analysis result, wherein the evaluation method comprises the following steps:
s2-1, acquiring a fixed angle of a tower head structure corresponding to a target power transmission tower, and evaluating a monomer architecture instability index corresponding to the tower head structure, wherein the method comprises the following specific steps:
s2-1-1, focusing a three-dimensional image of a target transmission tower on a tower head structure, and extracting a central axis of the tower head structure from the three-dimensional image;
the above-mentioned needs to be explained that any object has its corresponding central axis, especially for the central symmetrical object, once the central axis tilts, the tilting instability of the whole object can be caused;
s2-1-2, measuring an angle between a central axis of the tower head structure and a horizontal line, and taking the angle as a fixed angle of the target transmission tower corresponding to the tower head structure;
s2-1-3, comparing the fixed angle of the tower head structure corresponding to the target transmission tower with a standard fixed angle, and evaluating the instability index of the monomer framework corresponding to the tower head structure, wherein the evaluation formula is as followsη Tower head Expressed as a single-body framework instability index corresponding to a tower head structure, delta is expressed as a fixed angle corresponding to the tower head structure of the target power transmission tower, delta is expressed as 0 Expressed as a standard fixed angle;
it should be noted that, the tower head structure of the power transmission tower is generally vertically fixed, when the deviation between the fixed angle of the tower head structure and the standard fixed angle is larger, the inclination degree of the tower head structure is larger, which is easier to cause the phenomenon of head weight and foot weight for the whole power transmission tower, thereby affecting the stability of the whole power transmission tower;
s2-2, analyzing the deformation degree of the angle steel component of the tower body structure corresponding to the target power transmission tower, and evaluating the single-body framework instability index corresponding to the tower body structure, wherein the specific steps are as follows:
s2-2-1, focusing a three-dimensional image of a target transmission tower on a tower body structure, further counting the number of angle steel components existing in the tower body structure, and numbering the angle steel components as 1,2 in sequence;
the angle steel components forming the power transmission tower body are basically linear, the invention also uses the linear angle steel components to evaluate the instability index of the single framework corresponding to the tower body structure, and the curve angle steel is not suitable for the invention;
s2-2-2, obtaining the length of each angle steel member from the three-dimensional image of the target transmission tower, and marking the length as L i Positioning the head end and the tail end corresponding to each angle steel member, and further taking the head end and the tail end corresponding to each angle steel member as two end points to serve as a line segment of a set structure corresponding to each angle steel member;
s2-2-3, making a line segment along the self-structure trend of each angle steel member, and marking the line segment as a self-structure line segment corresponding to each angle steel member;
s2-2-4, overlapping and comparing the self structural line segment corresponding to each angle steel component with the set structural line segment corresponding to each angle steel component, obtaining the length of the non-overlapping part from the overlapping part, taking the length as the deformed part length, and marking as l i ；
It should be noted that, for a straight angle steel member, when there is no deformation and bending, the set structural line segment and the self structural line segment are completely overlapped, and when there is bending and bending deformation of a certain part of the angle steel member, there is a non-overlapping part between the set structural line segment and the self structural line segment, wherein the longer the length of the non-overlapping part is, the greater the degree of deformation is;
s2-2-5, comparing the length of each angle steel member with the length of the deformed part, and evaluating the instability index of the monomer framework corresponding to the tower head structure, wherein the evaluation formula is as followsExpressed as a monomer architecture instability index corresponding to a tower head structure, l i Expressed as the length of the deformed portion corresponding to the ith angle steel member, L i Expressed as the length of the i-th angle steel member;
s2-3, acquiring the inclination of a tower leg structure corresponding to the target power transmission tower, and evaluating the monomer architecture instability index corresponding to the tower leg structure, wherein the specific steps are as follows:
s2-3-1, focusing a three-dimensional image of a target transmission tower on a tower leg structure, counting the number of tower legs, and further numbering each tower leg as 1,2, j, m;
s2-3-2, acquiring the inclination angle between each tower leg and the ground from the three-dimensional image of the target transmission tower, and recording as theta j ；
S2-3-3, comparing the inclination angle between each tower leg and the ground with the initial inclination angle between each tower leg and the ground when the construction of the target transmission tower is completed, and calculating the single-body framework instability index corresponding to the tower leg structure, wherein the calculation formula is as followsη Tower leg Expressed as a single-body architecture instability index corresponding to a tower leg structure, theta j Expressed as the inclination angle between the jth tower leg and the ground, θ' j The initial inclination angle between the jth tower leg and the ground when the construction of the target power transmission tower is completed is shown, wherein the larger the inclination angle between each tower leg and the ground is different from the initial inclination angle, the larger the instability index of the single framework corresponding to the tower leg structure is, and the higher the instability degree of the tower leg structure is shown;
s3: carrying out connection bearing stability analysis on each component structure divided by the target transmission tower, and evaluating the bearing instability index of the tower body to the tower head and the bearing instability index of the tower leg to the tower body according to analysis results, wherein the method specifically comprises the following steps:
s3-1, focusing a three-dimensional image of a target power transmission tower on a connecting area of a tower head structure and a tower body structure, counting the number of connecting points in the connecting area, positioning the position of each connecting point, and further collecting the bearing pressure of each connecting point;
s3-2, comparing the bearing pressure of each connection point in the connection area between the tower head structure and the tower body structure, and screening out the maximum bearing capacity and the minimum bearing capacity, wherein the maximum bearing capacity is denoted as f Tower head-tower body max, the minimum bearing capacity is denoted as f Tower head-tower body min；
S3-3, comparing the maximum bearing capacity with the minimum bearing capacity in the connecting area between the tower head structure and the tower body structure, and evaluating the bearing instability index of the tower body to the tower head, wherein the calculation formula is as follows
Sigma 1 is expressed as the index of bearing instability of the tower body to the tower head, and Deltaf 0 The minimum allowable bearing capacity difference value is expressed, wherein the larger the difference value between the maximum bearing capacity and the minimum bearing capacity is, the worse the bearing uniformity of the tower body to the tower head is, and the higher the bearing instability degree is;
s3-4, focusing a three-dimensional image of a target transmission tower on a connecting area of a tower body structure and a tower leg structure, counting the number of connecting points in the connecting area, positioning the position of each connecting point, and further collecting the bearing pressure of each connecting point;
s3-5, comparing the bearing pressure of each connection point in the connection area between the tower body structure and the tower leg structure, and screening out the maximum bearing capacity and the minimum bearing capacity, wherein the maximum bearing capacity is denoted as f Tower body-tower leg max, the minimum bearing capacity is denoted as f Tower body-tower leg min；
S3-6, comparing the maximum bearing capacity with the minimum bearing capacity in the connecting area between the tower body structure and the tower leg structure, and evaluating the bearing instability index of the tower leg to the tower body, wherein the calculation formula is as follows
Sigma 2 is expressed as the index of bearing instability of the tower leg to the tower body, Δf 0 Expressed as the minimum allowable load capacity difference;
it should be noted that, whether the tower body structure carries the tower head structure or the tower leg structure carries the tower body structure, the foothold points are on the connection points of the corresponding connection areas, when the bearing points are in stable bearing, the bearing capacity of each connection point should be consistent, but when the bearing capacity of each connection point deviates, the bearing function of the bearing structure on the borne structure will be unbalanced, and the greater the bearing capacity deviation between the connection points, the higher the bearing function unbalance degree is, resulting in poor stability;
s4: the method comprises the steps of obtaining a current operation period corresponding to a target power transmission tower in a manner of subtracting a construction completion date corresponding to the target power transmission tower from the current date, and further determining a structural instability reference parameter corresponding to the current operation period of the target power transmission tower, wherein the structural instability reference parameter comprises a maximum allowable value of a single structure instability index of each component structure, a maximum allowable value of a bearing instability index of a tower body to a tower head and a maximum allowable value of a bearing instability index of a tower leg to the tower body, and the determining method corresponding to the structural instability reference parameter comprises the following steps:
the first step: the method comprises the steps of obtaining a design operation period corresponding to a target power transmission tower, and dividing the design operation period into a plurality of operation stages according to the design operation period, wherein each operation stage is an operation period formed by an initial operation period and an ending operation period;
and a second step of: comparing the current operation period of the target power transmission tower with the operation period corresponding to each operation stage, if the current operation period of the target power transmission tower falls within the operation period corresponding to a certain operation stage, the current operation period of the target power transmission tower belongs to the operation stage, and recording the operation stage as a designated operation stage;
and a third step of: comparing the designated operation stage with the structural instability reference parameters corresponding to each operation stage in the reference database, and screening out the structural instability reference parameters corresponding to the designated operation stage;
s5: comparing the single framework instability index corresponding to each component structure of the target power transmission tower, the bearing instability index of the tower body to the tower head and the bearing instability index of the tower leg to the tower body with the structure instability reference parameters corresponding to the current operation years of the target power transmission tower, and judging whether the target power transmission tower is suitable for continuous operation according to the comparison result, wherein the judging method comprises the following steps:
step 1: the method comprises the steps of analyzing the single operation safety coefficient of each component structure corresponding to a target transmission tower, wherein if the single architecture instability index corresponding to a certain component structure is smaller than or equal to the maximum allowable value of the single architecture instability index corresponding to the component structure, the single operation safety coefficient of the component structure is marked as 1, otherwise, the single operation safety coefficient of the component structure is marked as 0;
step 2, analyzing a bearing operation safety coefficient of a tower body to a tower head and a bearing operation safety coefficient of a tower leg to a tower body in a target power transmission tower, wherein the analysis mode is to compare a bearing instability index of the tower body to the tower head in the target power transmission tower with a maximum allowable value of a bearing instability index of the tower body to the tower head, if the bearing instability index of the tower body to the tower head is smaller than or equal to the maximum allowable value of the bearing instability index of the tower body to the tower head, the bearing operation safety coefficient of the tower body to the tower head is recorded as 1, otherwise, the bearing operation safety coefficient of the tower body to the tower head is recorded as 0, then the bearing instability index of the tower leg to the tower body in the target power transmission tower is compared with the maximum allowable value of the bearing instability index of the tower leg to the tower body, if the bearing instability index of the tower leg to the tower body is smaller than or equal to the maximum allowable value of the bearing instability index of the tower leg to the tower body, the bearing operation safety coefficient of the tower leg to the tower body is recorded as 1, otherwise, the bearing operation safety coefficient of the tower leg to the tower body is recorded as 0;
step 3: if the single operation safety coefficient of the target power transmission tower corresponding to each component structure, the bearing operation safety coefficient of the tower body to the tower head and the bearing operation safety coefficient of the tower leg to the tower body are all 1, judging that the target power transmission tower is suitable for continuous operation, otherwise, judging that the target power transmission tower is not suitable for continuous operation.
Referring to fig. 2, in a second aspect, the present invention provides a grid power infrastructure security assessment analysis system, the system comprising the following modules:
the target power transmission tower forms a structure division module which is used for carrying out structure division on the target power transmission tower;
the component structure single framework stability analysis module is connected with the target power transmission tower component structure division module and is used for carrying out single framework stability analysis on each component structure divided by the target power transmission tower and evaluating a single framework instability index corresponding to each component structure according to an analysis result;
the component structure connection bearing stability analysis module is connected with the target power transmission tower component structure division module and is used for carrying out connection bearing stability analysis on each component structure divided by the target power transmission tower, and evaluating the bearing instability index of the tower body to the tower head and the bearing instability index of the tower leg to the tower body according to analysis results;
the structural instability reference parameter determining module is used for determining structural instability reference parameters corresponding to the current operation years of the target power transmission tower based on the current operation years corresponding to the target power transmission tower;
the reference database is used for storing structural instability reference parameters corresponding to each operation stage of the target transmission tower;
the structure database is used for storing three-dimensional images corresponding to various power transmission tower shapes;
the target power transmission tower operation judging terminal is respectively connected with the component structure single framework stability analysis module, the component structure connection bearing stability analysis module and the structure instability reference parameter determining module and is used for comparing the single framework instability index corresponding to each component structure of the target power transmission tower, the bearing instability index of the tower body to the tower head and the bearing instability index of the tower leg to the tower body with the structure instability reference parameter corresponding to the current operation age of the target power transmission tower, and further judging whether the target power transmission tower is suitable for continuous operation according to a comparison result.
In a third aspect, the present invention provides a storage medium, where a computer program is burned, where the computer program implements the grid power infrastructure security assessment and analysis method according to the present invention when running in a memory of a server.
According to the invention, the target power transmission tower is divided into the tower head structure, the tower body structure and the tower leg structure, so that the single structure stability analysis is carried out on each component structure, the single structure instability index corresponding to each component structure is evaluated, meanwhile, the connection bearing stability analysis is carried out on each component structure, and the bearing instability index of the tower body to the tower head and the bearing instability index of the tower leg to the tower body are evaluated, so that whether the target power transmission tower is suitable for continuous operation is comprehensively judged according to the evaluation result, the comprehensive evaluation analysis of the operation safety of the power transmission tower is realized, the defect that the operation safety of the power transmission tower is excessively on one surface in the prior art is overcome, and the reliability of the judgment result can be effectively improved by judging whether the target power transmission tower is suitable for continuous operation in the evaluation mode.
The foregoing is merely illustrative of the structures of this invention and various modifications, additions and substitutions for those skilled in the art can be made to the described embodiments without departing from the scope of the invention or from the scope of the invention as defined in the accompanying claims.
Claims (8)
1. The method for evaluating and analyzing the safety of the power grid power infrastructure is characterized by comprising the following steps of:
s1: the method comprises the steps that a power transmission tower in an operation state at present is recorded as a target power transmission tower, and then the target power transmission tower is divided into a tower head structure, a tower body structure and a tower leg structure;
s2: carrying out single-body architecture stability analysis on each component structure divided by the target power transmission tower, and evaluating a single-body architecture instability index corresponding to each component structure according to an analysis result;
s3: carrying out connection bearing stability analysis on each component structure divided by the target transmission tower, and evaluating the bearing instability index of the tower body to the tower head and the bearing instability index of the tower leg to the tower body according to analysis results;
s4: acquiring the current operation age corresponding to the target power transmission tower, and further determining the structural instability reference parameter corresponding to the current operation age of the target power transmission tower;
s5: comparing the single framework instability index corresponding to each component structure of the target power transmission tower, the bearing instability index of the tower body to the tower head and the bearing instability index of the tower leg to the tower body with the structure instability reference parameters corresponding to the current operation years of the target power transmission tower, and judging whether the target power transmission tower is suitable for continuous operation according to the comparison result;
the specific evaluation method for evaluating the instability index of the monomer architecture corresponding to each component structure in the step S2 is as follows:
s2-1, acquiring a fixed angle of a tower head structure corresponding to a target power transmission tower, and evaluating a monomer architecture instability index corresponding to the tower head structure, wherein the method comprises the following specific steps:
s2-1-1, focusing a three-dimensional image of a target transmission tower on a tower head structure, and extracting a central axis of the tower head structure from the three-dimensional image;
s2-1-2, measuring an angle between a central axis of the tower head structure and a horizontal line, and taking the angle as a fixed angle of the target transmission tower corresponding to the tower head structure;
s2-1-3, comparing the fixed angle of the tower head structure corresponding to the target transmission tower with a standard fixed angle, and evaluating the instability index of the monomer framework corresponding to the tower head structure, wherein the evaluation formula is as followsη Tower head Expressed as a single-body framework instability index corresponding to a tower head structure, delta is expressed as a fixed angle corresponding to the tower head structure of the target power transmission tower, delta is expressed as 0 Expressed as a standard fixed angle;
s2-2, analyzing the deformation degree of the angle steel component of the tower body structure corresponding to the target power transmission tower, and evaluating the single-body framework instability index corresponding to the tower body structure, wherein the specific steps are as follows:
s2-2-1, focusing a three-dimensional image of a target transmission tower on a tower body structure, further counting the number of angle steel components existing in the tower body structure, and numbering the angle steel components as 1,2 in sequence;
s2-2-2, obtaining the length of each angle steel member from the three-dimensional image of the target transmission tower, and marking the length as L i Positioning the head end and the tail end corresponding to each angle steel member, and further taking the head end and the tail end corresponding to each angle steel member as two end points to serve as a line segment of a set structure corresponding to each angle steel member;
s2-2-3, making a line segment along the self-structure trend of each angle steel member, and marking the line segment as a self-structure line segment corresponding to each angle steel member;
s2-2-4, overlapping and comparing the self structural line segment corresponding to each angle steel component with the set structural line segment corresponding to each angle steel component, obtaining the length of the non-overlapping part from the overlapping part, taking the length as the deformed part length, and marking as l i ；
S2-2-5, comparing the length of each angle steel member with the length of the deformed part, and evaluating the instability index of the monomer framework corresponding to the tower head structure, wherein the evaluation formula is as followsη Tower body Expressed as a monomer architecture instability index corresponding to a tower head structure, l i Expressed as the length of the deformed portion corresponding to the ith angle steel member, L i Expressed as the length of the i-th angle steel member;
s2-3, acquiring the inclination of a tower leg structure corresponding to the target power transmission tower, and evaluating the monomer architecture instability index corresponding to the tower leg structure, wherein the specific steps are as follows:
s2-3-1, focusing a three-dimensional image of a target transmission tower on a tower leg structure, counting the number of tower legs, and further numbering each tower leg as 1,2, j, m;
s2-3-2, acquiring the inclination angle between each tower leg and the ground from the three-dimensional image of the target transmission tower, and recording as theta j ；
S2-3-3, the inclination angle between each tower leg and the ground is matched with the initial inclination angle between each tower leg and the ground when the construction of the target transmission tower is completedThe row comparison is carried out, the monomer architecture instability index corresponding to the tower leg structure is calculated, and the calculation formula is as followsη Tower leg Expressed as a single-body architecture instability index corresponding to a tower leg structure, theta j Expressed as the inclination angle between the jth tower leg and the ground, θ' j The initial inclination angle between the jth tower leg and the ground when the construction of the target transmission tower is completed is expressed;
in the step S3, the evaluation of the bearing instability index of the tower body to the tower head and the bearing instability index of the tower leg to the tower body specifically comprises the following steps:
s3-1, focusing a three-dimensional image of a target power transmission tower on a connecting area of a tower head structure and a tower body structure, counting the number of connecting points in the connecting area, positioning the position of each connecting point, and further collecting the bearing pressure of each connecting point;
s3-2, comparing the bearing pressure of each connection point in the connection area between the tower head structure and the tower body structure, and screening out the maximum bearing capacity and the minimum bearing capacity, wherein the maximum bearing capacity is denoted as f Tower head-tower body max, the minimum bearing capacity is denoted as f Tower head-tower body min；
S3-3, comparing the maximum bearing capacity with the minimum bearing capacity in the connecting area between the tower head structure and the tower body structure, and evaluating the bearing instability index of the tower body to the tower head, wherein the calculation formula is as follows
Sigma 1 is expressed as the index of bearing instability of the tower body to the tower head, and Deltaf 0 Expressed as the minimum allowable load capacity difference;
s3-4, focusing a three-dimensional image of a target transmission tower on a connecting area of a tower body structure and a tower leg structure, counting the number of connecting points in the connecting area, positioning the position of each connecting point, and further collecting the bearing pressure of each connecting point;
s3-5, bearing pressure of each connection point in the connection area between the tower body structure and the tower leg structureComparing the forces with each other, and selecting the maximum bearing force and the minimum bearing force from the forces, wherein the maximum bearing force is denoted as f Tower body-tower leg max, the minimum bearing capacity is denoted as f Tower body-tower leg min；
S3-6, comparing the maximum bearing capacity with the minimum bearing capacity in the connecting area between the tower body structure and the tower leg structure, and evaluating the bearing instability index of the tower leg to the tower body, wherein the calculation formula is as follows
Sigma 2 is expressed as the index of bearing instability of the tower leg to the tower body, Δf 0 Expressed as the minimum allowable load capacity difference.
2. A grid power infrastructure security assessment analysis method as claimed in claim 1, wherein: the step S1 of dividing the composition structure of the target transmission tower specifically comprises the following steps:
s1-1, three-dimensional image acquisition is carried out on a target power transmission tower;
s1-2, extracting the overall appearance outline shape from the acquired three-dimensional image of the target transmission tower;
s1-3, matching the extracted appearance outline shape with the overall appearance outline shape corresponding to various power transmission tower shapes, determining a tower shape corresponding to a target power transmission tower from the overall appearance outline shape, and marking the tower shape as a designated tower shape;
s1-4, selecting a designated tower type three-dimensional image of the transmission tower from a structure database, and extracting the outline of each component structure from the three-dimensional image;
s1-5, comparing and matching the outline of each component structure in the designated tower type of the transmission tower on the three-dimensional image of the target transmission tower, and if the outline of a certain component structure is successfully matched with a part of structure on the three-dimensional image of the target transmission tower, the part of structure is the component structure, so that the target transmission tower is divided into a tower head structure, a tower body structure and a tower leg structure, and meanwhile, the connection area of the tower head structure and the tower body structure and the connection area of the tower body structure and the tower leg structure are obtained.
3. A grid power infrastructure security assessment analysis method as claimed in claim 1, wherein: the structural instability reference parameters comprise a maximum allowable value of a single framework instability index of each component structure, a maximum allowable value of a bearing instability index of a tower body to a tower head and a maximum allowable value of a bearing instability index of a tower leg to the tower body.
4. A grid power infrastructure security assessment analysis method as claimed in claim 1, wherein: the method for determining the structural instability reference parameters corresponding to the current operation years of the target power transmission tower comprises the following steps:
the first step: the method comprises the steps of obtaining a design operation period corresponding to a target power transmission tower, and dividing the design operation period into a plurality of operation stages according to the design operation period, wherein each operation stage is an operation period formed by an initial operation period and an ending operation period;
and a second step of: comparing the current operation period of the target power transmission tower with the operation period corresponding to each operation stage, if the current operation period of the target power transmission tower falls within the operation period corresponding to a certain operation stage, the current operation period of the target power transmission tower belongs to the operation stage, and recording the operation stage as a designated operation stage;
and a third step of: comparing the designated operation stage with the structural instability reference parameters corresponding to each operation stage in the reference database, and screening the structural instability reference parameters corresponding to the designated operation stage.
5. A grid power infrastructure security assessment analysis method as claimed in claim 1, wherein: the corresponding judging method for judging whether the target power transmission tower is suitable for continuous operation is as follows:
step 1: analyzing the single operation safety coefficient of each component structure corresponding to the target transmission tower;
step 2, analyzing the bearing operation safety coefficient of the tower body to the tower head and the bearing operation safety coefficient of the tower leg to the tower body in the target transmission tower;
step 3: if the single operation safety coefficient of the target power transmission tower corresponding to each component structure, the bearing operation safety coefficient of the tower body to the tower head and the bearing operation safety coefficient of the tower leg to the tower body are all 1, judging that the target power transmission tower is suitable for continuous operation, otherwise, judging that the target power transmission tower is not suitable for continuous operation.
6. A grid power infrastructure security assessment analysis method as claimed in claim 5, wherein: and (2) if the instability index of the monomer architecture corresponding to a certain component structure is smaller than or equal to the maximum allowable value of the instability index of the monomer architecture corresponding to the component structure, marking the monomer operation safety coefficient of the component structure as 1, otherwise marking the monomer operation safety coefficient of the component structure as 0, and referring to the step (1) for the specific analysis mode corresponding to the step (2).
7. A grid power infrastructure safety assessment analysis system for performing a grid power infrastructure safety assessment analysis method of claim 1, characterized by: the system comprises the following modules:
the target power transmission tower forms a structure division module which is used for carrying out structure division on the target power transmission tower;
the component structure single framework stability analysis module is used for carrying out single framework stability analysis on each component structure divided by the target transmission tower and evaluating a single framework instability index corresponding to each component structure according to an analysis result;
the component structure connection bearing stability analysis module is used for carrying out connection bearing stability analysis on each component structure divided by the target transmission tower, and evaluating the bearing instability index of the tower body to the tower head and the bearing instability index of the tower leg to the tower body according to analysis results;
the structural instability reference parameter determining module is used for determining structural instability reference parameters corresponding to the current operation years of the target power transmission tower based on the current operation years corresponding to the target power transmission tower;
the reference database is used for storing structural instability reference parameters corresponding to each operation stage of the target transmission tower;
the structure database is used for storing three-dimensional images corresponding to various power transmission tower shapes;
the target power transmission tower operation judging terminal is used for comparing the single framework instability index corresponding to each component structure of the target power transmission tower, the bearing instability index of the tower body to the tower head and the bearing instability index of the tower leg to the tower body with the structure instability reference parameters corresponding to the current operation years of the target power transmission tower, and judging whether the target power transmission tower is suitable for continuous operation according to the comparison result.
8. A storage medium, characterized by: the storage medium has a computer program recorded thereon, which when run in the memory of a server implements the method of any of the preceding claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210292001.2A CN114626131B (en) | 2022-03-23 | 2022-03-23 | Power grid power infrastructure safety evaluation analysis method, system and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210292001.2A CN114626131B (en) | 2022-03-23 | 2022-03-23 | Power grid power infrastructure safety evaluation analysis method, system and storage medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114626131A CN114626131A (en) | 2022-06-14 |
| CN114626131B true CN114626131B (en) | 2023-12-19 |
Family
ID=81903552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210292001.2A Active CN114626131B (en) | 2022-03-23 | 2022-03-23 | Power grid power infrastructure safety evaluation analysis method, system and storage medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114626131B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115496789B (en) * | 2022-09-22 | 2023-11-24 | 新昌县新明实业有限公司 | Visual three-dimensional show fortune dimension platform of distribution network |
| CN116797012A (en) * | 2022-11-03 | 2023-09-22 | 武汉红火焰建筑工程有限公司 | Power transmission line high-voltage iron tower safety performance monitoring system based on data analysis |
| CN116561880B (en) * | 2023-07-12 | 2023-09-12 | 中建五局第三建设有限公司 | Installation analysis method for special-shaped steel structure |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104636578A (en) * | 2013-11-11 | 2015-05-20 | 国家电网公司 | Evaluating system for electric transmission line iron tower safety and evaluating method thereof |
| CN105954747A (en) * | 2016-06-20 | 2016-09-21 | 中国电力工程顾问集团中南电力设计院有限公司 | Tower foundation stability analyzing method based on three-dimensional deformation monitoring of unfavorable geologic body of power grid |
| CN106250624A (en) * | 2016-07-27 | 2016-12-21 | 国网天津市电力公司 | The security assessment method of in-service steel tower |
| CN106886633A (en) * | 2017-01-18 | 2017-06-23 | 西安交通大学 | A kind of collapse of iron tower classes of dangerous degree evaluation method |
| CN206346561U (en) * | 2016-12-20 | 2017-07-21 | 中国能源建设集团浙江省电力设计院有限公司 | A kind of single loop is arranged vertically anchor support |
| CN206641413U (en) * | 2017-04-05 | 2017-11-17 | 刘展博 | A kind of wearable electronic air-cleaning respirator |
| CN107657090A (en) * | 2017-09-12 | 2018-02-02 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of method for judging strain tower of transmission line icing unstability |
| CN108985143A (en) * | 2018-05-10 | 2018-12-11 | 国电南瑞科技股份有限公司 | A method of based on unmanned plane image recognition iron towers of overhead power transmission lines structure |
| JP2019020352A (en) * | 2017-07-21 | 2019-02-07 | 東京電力ホールディングス株式会社 | Method and device for detecting inclination of iron tower |
| CN110889827A (en) * | 2019-11-06 | 2020-03-17 | 国网山西省电力公司吕梁供电公司 | Transmission line tower online identification and inclination detection method based on vision |
| CN111140067A (en) * | 2020-01-20 | 2020-05-12 | 广东运峰电力安装有限公司 | Power transmission line fast power supply transferring emergency repair tower |
| CN111914457A (en) * | 2020-08-18 | 2020-11-10 | 中国能源建设集团江苏省电力设计院有限公司 | Power transmission line tower footing slope stability judging method and device and storage medium |
| CN112016206A (en) * | 2020-08-26 | 2020-12-01 | 西安凯朗电子科技有限责任公司 | Method and system for judging instability state of tower, computer equipment and application |
| CN112613201A (en) * | 2020-11-25 | 2021-04-06 | 国网浙江省电力有限公司绍兴供电公司 | Wind resistance performance evaluation method and system for extra-high voltage transmission tower structure |
| CN112698303A (en) * | 2020-12-23 | 2021-04-23 | 国网电力科学研究院武汉南瑞有限责任公司 | Method and system for measuring point cloud tower inclination parameters based on unmanned aerial vehicle laser radar |
| CN113554595A (en) * | 2021-06-21 | 2021-10-26 | 国网山西省电力公司电力科学研究院 | Unmanned aerial vehicle laser radar point cloud tower head deformation detection device and method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2019211451A1 (en) * | 2018-01-26 | 2020-08-06 | LineVision, Inc. | System and method for power transmission line monitoring |
-
2022
- 2022-03-23 CN CN202210292001.2A patent/CN114626131B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104636578A (en) * | 2013-11-11 | 2015-05-20 | 国家电网公司 | Evaluating system for electric transmission line iron tower safety and evaluating method thereof |
| CN105954747A (en) * | 2016-06-20 | 2016-09-21 | 中国电力工程顾问集团中南电力设计院有限公司 | Tower foundation stability analyzing method based on three-dimensional deformation monitoring of unfavorable geologic body of power grid |
| CN106250624A (en) * | 2016-07-27 | 2016-12-21 | 国网天津市电力公司 | The security assessment method of in-service steel tower |
| CN206346561U (en) * | 2016-12-20 | 2017-07-21 | 中国能源建设集团浙江省电力设计院有限公司 | A kind of single loop is arranged vertically anchor support |
| CN106886633A (en) * | 2017-01-18 | 2017-06-23 | 西安交通大学 | A kind of collapse of iron tower classes of dangerous degree evaluation method |
| CN206641413U (en) * | 2017-04-05 | 2017-11-17 | 刘展博 | A kind of wearable electronic air-cleaning respirator |
| JP2019020352A (en) * | 2017-07-21 | 2019-02-07 | 東京電力ホールディングス株式会社 | Method and device for detecting inclination of iron tower |
| CN107657090A (en) * | 2017-09-12 | 2018-02-02 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of method for judging strain tower of transmission line icing unstability |
| CN108985143A (en) * | 2018-05-10 | 2018-12-11 | 国电南瑞科技股份有限公司 | A method of based on unmanned plane image recognition iron towers of overhead power transmission lines structure |
| CN110889827A (en) * | 2019-11-06 | 2020-03-17 | 国网山西省电力公司吕梁供电公司 | Transmission line tower online identification and inclination detection method based on vision |
| CN111140067A (en) * | 2020-01-20 | 2020-05-12 | 广东运峰电力安装有限公司 | Power transmission line fast power supply transferring emergency repair tower |
| CN111914457A (en) * | 2020-08-18 | 2020-11-10 | 中国能源建设集团江苏省电力设计院有限公司 | Power transmission line tower footing slope stability judging method and device and storage medium |
| CN112016206A (en) * | 2020-08-26 | 2020-12-01 | 西安凯朗电子科技有限责任公司 | Method and system for judging instability state of tower, computer equipment and application |
| CN112613201A (en) * | 2020-11-25 | 2021-04-06 | 国网浙江省电力有限公司绍兴供电公司 | Wind resistance performance evaluation method and system for extra-high voltage transmission tower structure |
| CN112698303A (en) * | 2020-12-23 | 2021-04-23 | 国网电力科学研究院武汉南瑞有限责任公司 | Method and system for measuring point cloud tower inclination parameters based on unmanned aerial vehicle laser radar |
| CN113554595A (en) * | 2021-06-21 | 2021-10-26 | 国网山西省电力公司电力科学研究院 | Unmanned aerial vehicle laser radar point cloud tower head deformation detection device and method |
Non-Patent Citations (3)
| Title |
|---|
| 老旧输电杆塔结构安全性分析;_雷勇;《老旧输电杆塔结构安全性分析》;20191231;全文 * |
| 输电塔内力计算及寿命分析_;韩骁飞;《输电塔内力计算及寿命分析_》;20191231(第7期);全文 * |
| 输电线路铁塔基础安全综合评价体系;马键等;《安全与环境学报》;20200225(第01期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114626131A (en) | 2022-06-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114626131B (en) | Power grid power infrastructure safety evaluation analysis method, system and storage medium | |
| CN107844622A (en) | A kind of simply supported beam damage recognition methods based on faulted condition uniform load face curvature | |
| CN102890739B (en) | Stress removing and reinforcing method used for steel construction truss | |
| CN108846197A (en) | A kind of crane's major girder non-destructive tests and degree of injury quantitative analysis method | |
| CN103217282B (en) | Fatigue test method of blade scaling model of horizontal axis wind turbine based on equal-service-life principle | |
| CN110782157A (en) | Maintenance mode making method based on importance of power generation equipment | |
| CN115993096A (en) | High-rise building deformation measuring method | |
| CN111275939B (en) | Bridge construction equipment safety monitoring and early warning method and system | |
| CN115684776A (en) | Method, device and processor for determining route loss branch of high-voltage transmission line | |
| CN108895976B (en) | Method and device for monitoring deformation of closed space equipment | |
| CN107301309B (en) | Method for monitoring and designing internal force of large-span cable-stayed bridge based on ultimate bearing ratio of component | |
| CN205175587U (en) | Load measuring device | |
| CN110879925A (en) | Fatigue damage determination method and device for top flange of wind generating set | |
| CN113503231A (en) | Tower inclination and foundation settlement evaluation method and system under variable working conditions of wind turbine generator | |
| CN113420966A (en) | Method and device for acquiring bridge environment score | |
| CN110580380B (en) | Method, device and storage medium for processing building equivalent static wind load data | |
| CN113505954B (en) | Steel structure building group safety assessment method based on geometric and performance similarity | |
| CN110298143A (en) | A kind of prestressing force truss string structure damnification recognition method based on two stages data fusion | |
| CN117350550B (en) | Power grid operation risk assessment system based on severe weather | |
| CN112484973B (en) | Method for measuring eccentric load of steel crane beam and crane limb column cap | |
| CN112069665B (en) | Residual life and safety assessment method for transmission tower | |
| WO2023029445A1 (en) | Method and apparatus for measuring headroom value of wind power generator | |
| CN108281082A (en) | A kind of gilled rings shape is put more energy into shallow spherical shell experiment scaled model and preparation method thereof | |
| CN212227950U (en) | Compressor shaft gap detection equipment capable of achieving rapid and accurate measurement | |
| CN112491038B (en) | Probability distribution estimation method and system for service life of power distribution network equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20231123 Address after: Room 085, Block D, Building 2, Yanqing Garden East Ring Road, Zhongguancun, Yanqing District, Beijing 102100 Applicant after: Xinfengfeng Power Technology (Beijing) Co.,Ltd. Address before: 430021 No. 557, Jiefang Avenue, Jianghan District, Wuhan City, Hubei Province Applicant before: Wuhan beixisheng Technology Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |