CN113205597A - Substation live-line work safety distance surveying method and related device - Google Patents
Substation live-line work safety distance surveying method and related device Download PDFInfo
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Abstract
The application discloses a transformer substation live working safety distance surveying method and a related device, wherein the method comprises the following steps: firstly, establishing a three-dimensional model of a live working site of a transformer substation, and reducing errors brought by traditional visual inspection, drawings or measuring instruments; classifying the point cloud data of the three-dimensional model into ground point cloud, charged body point cloud and grounding body point cloud; then, determining and calculating a required point cloud type according to the operation type of an operation site, and calculating the distance between an operator and the corresponding point cloud type in real time, such as the ground safety distance, the distance between the operator and an adjacent charged body, the combined gap distance and the like; finally, whether the distance meets the requirements is judged according to the existing requirements of the related safety distance of the live working, so that the survey of the safety distance of the live working of the transformer substation is completed quickly and accurately, and the technical problems of low efficiency and large error in the prior art are solved.
Description
Technical Field
The application relates to the technical field of live working, in particular to a transformer substation live working safety distance surveying method and a related device.
Background
The transformer substation live-line work is more and more widely applied in the fields of power grid emergency shortage elimination, infrastructure construction and the like, the live-line work is in high-voltage, high-altitude and high-risk industries, the transformer substation equipment is complex in intensive environment, safety problems are more prominent, and the following problems in actual operation are urgently needed to be solved: (1) before the live-line maintenance operation is carried out, on-site investigation is carried out, the safe path and the operation place for entering the equipotential maintenance operation are generally judged by experience or by carrying out investigation analysis on the safe distance through tools such as a distance meter, the influence of operation experience factors is large, and the defects of untimely investigation, low efficiency and the like exist. (2) Because the working procedure of live working is complicated, the equipotential working personnel can easily neglect the danger at the side in the complex working environment, and the electric shock casualty accident caused by too close to the adjacent live equipment is very easy to cause.
Therefore, it is an urgent need to solve the problem of providing a fast and accurate substation live working safety distance surveying method.
Disclosure of Invention
The application provides a transformer substation live working safety distance surveying method and a related device, which are used for solving the technical problems of low efficiency and large error in the prior art.
In view of the above, a first aspect of the present application provides a substation live working safety distance surveying method, including:
establishing a three-dimensional model of a live working site;
classifying the point cloud of the three-dimensional model into a ground point cloud, a charged body point cloud and a grounding body point cloud;
and determining the corresponding point cloud type according to the operation type of the live-wire operation site, calculating the distance between the operator and the corresponding point cloud type in real time, and judging whether the distance meets the preset safety distance.
Optionally, the establishing a three-dimensional model of the live working site specifically includes:
collecting point cloud data of a live working site through a laser radar collecting and scanning system;
and after denoising, splicing and registering the point cloud data, establishing the three-dimensional model according to the point cloud data.
Optionally, the determining a corresponding point cloud type according to the operation type of the live-line work site, calculating a distance between an operator and the corresponding point cloud type in real time, and determining whether the distance meets a preset safety distance includes:
when an operator moves in the vertical direction of the insulating platform, calculating the closest distance S1 between the operator and the midpoint of the ground point cloud and the ground body point cloud in real time, and calculating the closest distance S2 between the operator and the midpoint of the charged body point cloud;
calculating a combined gap distance S of the closest distance S1 and the closest distance S2;
and judging whether the gap distance S meets a preset safety distance.
Optionally, the determining a corresponding point cloud type according to the operation type of the live-line work site, calculating a distance between an operator and the corresponding point cloud type in real time, and determining whether the distance meets a preset safety distance includes:
when the operator enters or exits the live working site, calculating the closest distance S3 between the operator and the point cloud of the charged body in real time;
and judging whether the nearest distance S3 meets a preset safety distance.
Optionally, the determining a corresponding point cloud type according to the operation type of the live-line work site, calculating a distance between an operator and the corresponding point cloud type in real time, and determining whether the distance meets a preset safety distance includes:
when the operator reaches an operation point, calculating the closest distance S4 between the operator and the midpoint of the grounding body point cloud in real time, and calculating the closest distance S5 between the operator and the midpoint of the charged body point cloud;
and judging whether the closest distance S4 and the closest distance S5 both meet a preset safety distance.
Optionally, the determining a corresponding point cloud type according to the operation type of the live-line work site, calculating a distance between an operator and the corresponding point cloud type in real time, and determining whether the distance meets a preset safety distance includes:
calculating the closest distance S6 between the lead wire and the midpoint of the point cloud of the charged body in real time in the process of vertically transferring the lead wire, wherein the lead wire is operated by an operator;
and judging whether the nearest distance S6 meets a preset safety distance.
Optionally, the determining whether the distance meets a preset safe distance further includes: and setting a safe operation activity area of the operator according to the judgment result.
This application second aspect provides a transformer substation live working safe distance surveys device, the device includes:
the establishing module is used for establishing a three-dimensional model of the live working site;
the classification module is used for classifying the point cloud of the three-dimensional model into a ground point cloud, a charged body point cloud and a grounding body point cloud;
and the analysis module is used for determining the corresponding point cloud type according to the operation type of the live-line operation site, calculating the distance between the operator and the corresponding point cloud type in real time, and judging whether the distance meets the preset safety distance.
A third aspect of the present application provides a substation live working safety distance surveying apparatus, the apparatus comprising a processor and a memory:
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is configured to perform the steps of the substation live working safety distance surveying method according to the first aspect as described above, according to instructions in the program code.
A fourth aspect of the present application provides a computer-readable storage medium for storing program code for performing the substation live working safety distance surveying method of the first aspect described above.
According to the technical scheme, the method has the following advantages:
the application provides a transformer substation live working safety distance surveying method, which comprises the following steps: establishing a three-dimensional model of a live working site; classifying the point cloud of the three-dimensional model into a ground point cloud, a charged body point cloud and a grounding body point cloud; and determining the corresponding point cloud type according to the operation type of the live-wire operation site, calculating the distance between the operator and the corresponding point cloud type in real time, and judging whether the distance meets the preset safety distance.
According to the transformer substation live working safety distance surveying method, firstly, a three-dimensional model of a transformer substation live working site is established, and errors caused by traditional visual inspection, drawings or measuring instruments are reduced; classifying the point cloud data of the three-dimensional model into ground point cloud, charged body point cloud and grounding body point cloud; then, determining and calculating a required point cloud type according to the operation type of an operation site, and calculating the distance between an operator and the corresponding point cloud type in real time, such as the ground safety distance, the distance between the operator and an adjacent charged body, the combined gap distance and the like; finally, whether the distance meets the requirements is judged according to the existing requirements of the related safety distance of the live working, so that the survey of the safety distance of the live working of the transformer substation is completed quickly and accurately, and the technical problems of low efficiency and large error in the prior art are solved.
Drawings
Fig. 1 is a schematic flow chart of a first embodiment of a substation live working safety distance surveying method provided in an embodiment of the present application;
fig. 2 is a schematic flow chart of a second embodiment of a substation live working safety distance surveying method provided in the embodiment of the present application;
fig. 3 is a structural diagram of a substation live working safety distance surveying device provided in an embodiment of the present application.
Detailed Description
In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, fig. 1 is a schematic flow chart of a first embodiment of a substation live working safety distance surveying method provided in the embodiment of the present application.
The transformer substation live working safety distance surveying method provided by the embodiment of the application comprises the following steps:
It should be noted that, in the embodiment, the laser radar system is used to scan the live working site of the substation, and point cloud data of the live working site is acquired, so that the reconstruction of the three-dimensional model of the substation space is realized. The laser radar system can be of a backpack type, a foundation type and an airborne type; point cloud data: refers to a collection of vectors in a three-dimensional coordinate system.
It should be noted that, various devices in the live working field are numerous, and in order to quickly calculate the safety distance of the live working, the point cloud data of the three-dimensional model is classified, specifically, into ground point cloud, live body point cloud, and ground body point cloud.
And 103, determining a corresponding point cloud type according to the operation type of the live-line operation site, calculating the distance between an operator and the corresponding point cloud type in real time, and judging whether the distance meets a preset safety distance.
The job types are, for example: when the worker moves in the vertical direction of the insulating platform, when the worker enters or exits the live working site, when the worker arrives at the working site, and the like.
In the process that an operator moves in the vertical direction of the insulating platform, the closest distance S1 between the operator and the midpoint of the ground point cloud and the midpoint of the ground body point cloud and the closest distance S2 between the operator and the midpoint of the charged body point cloud are calculated in real time in the embodiment; calculating a combined gap distance S of the closest distance S1 and the closest distance S2; and judging whether the gap distance S meets a preset safety distance. The preset safe distance may be set according to table 1, and for the calculation and judgment of the specific distance of other job types, reference is made to the description of embodiment two, which is not described herein again.
TABLE 1
According to the transformer substation live working safety distance surveying method provided by the embodiment one, firstly, a three-dimensional model of a transformer substation live working site is established, and errors caused by traditional visual inspection, drawings or measuring instruments are reduced; classifying the point cloud data of the three-dimensional model into ground point cloud, charged body point cloud and grounding body point cloud; then, determining and calculating a required point cloud type according to the operation type of an operation site, and calculating the distance between an operator and the corresponding point cloud type in real time, such as the ground safety distance, the distance between the operator and an adjacent charged body, the combined gap distance and the like; finally, whether the distance meets the requirements is judged according to the existing requirements of the related safety distance of the live working, so that the survey of the safety distance of the live working of the transformer substation is completed quickly and accurately, and the technical problems of low efficiency and large error in the prior art are solved.
The first embodiment of the transformer substation live working safety distance surveying method provided by the embodiment of the application is described above, and the second embodiment of the transformer substation live working safety distance surveying method provided by the embodiment of the application is described above.
Referring to fig. 2, fig. 2 is a schematic flow chart of a second embodiment of a substation live working safety distance surveying method provided in the embodiment of the present application.
The second method for surveying the live working safety distance of the transformer substation, provided by the embodiment of the application, comprises the following steps:
It should be noted that, this embodiment adopts the insulating platform method to carry out live working process safe distance simulation, regards insulating platform equivalence as liftable cuboid A in three-dimensional scene, regards the equivalence of operation personnel (equipotential electrician) as fixed rectangular block B on A to equipotential electrician B is the object of concern, in three-dimensional point cloud space, detects its vertical direction motion in-process and all around electrified body, the minimum headroom distance of grounding body in real time.
The combination gap: is the total gap combined by the series connection of the shortest distances between two or more exposed conductive parts.
It is understood that, during the process of transferring the lead wire up and down in the vertical direction, for example: the operator detaches or transfers the disconnecting link lead C to be installed up and down.
The midpoint of the point cloud of the above steps 203, 204, 205, 206 is: the intermediate positions of the three-dimensional coordinates in the point cloud sets.
And step 207, setting the safe operation activity area of the operator according to the judgment result.
It should be noted that, after the safety distance investigation of various operation types of the live working site of the substation is completed, in order to facilitate the operation to quickly and accurately know the safe operation activity area, the safe operation activity area of the operator is set according to the determination results in the above step 203, step 204, step 205, and step 206.
The second embodiment of the transformer substation live working safety distance surveying method provided by the embodiment of the application is as described above, and the second embodiment of the transformer substation live working safety distance surveying device provided by the embodiment of the application is as described above.
Referring to fig. 3, fig. 3 is a structural diagram of an embodiment of a substation live working safety distance surveying apparatus provided in an embodiment of the present application.
The transformer substation live working safety distance surveys device that this application embodiment provided includes:
the building module 301 is used for building a three-dimensional model of the live working site.
A classification module 302, configured to classify the point cloud of the three-dimensional model into a ground point cloud, a charged body point cloud, and a grounded body point cloud.
And the analysis module 303 is configured to determine a corresponding point cloud type according to the operation type of the live-line operation site, calculate a distance between the operator and the corresponding point cloud type in real time, and determine whether the distance meets a preset safety distance.
Further, this application still provides a transformer substation live working safety distance survey equipment, its characterized in that, equipment includes processor and memory:
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is used for executing the substation live working safety distance surveying method according to the method embodiment according to the instructions in the program codes.
Further, the present application provides a computer-readable storage medium, wherein the computer-readable storage medium is used for storing program codes, and the program codes are used for executing the substation live working safety distance surveying method according to the above method embodiment
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
The terms "first," "second," "third," "fourth," and the like in the description of the application and the above-described figures, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be understood that in the present application, "at least one" means one or more, "a plurality" means two or more. "and/or" for describing an association relationship of associated objects, indicating that there may be three relationships, e.g., "a and/or B" may indicate: only A, only B and both A and B are present, wherein A and B may be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of single item(s) or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", wherein a, b, c may be single or plural.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. A transformer substation live working safety distance surveying method is characterized by comprising the following steps:
establishing a three-dimensional model of a live working site;
classifying the point cloud of the three-dimensional model into a ground point cloud, a charged body point cloud and a grounding body point cloud;
and determining the corresponding point cloud type according to the operation type of the live-wire operation site, calculating the distance between the operator and the corresponding point cloud type in real time, and judging whether the distance meets the preset safety distance.
2. The substation live working safety distance surveying method according to claim 1, wherein the establishing of the three-dimensional model of the live working site specifically comprises:
collecting point cloud data of a live working site through a laser radar collecting and scanning system;
and after denoising, splicing and registering the point cloud data, establishing the three-dimensional model according to the point cloud data.
3. The substation live working safety distance surveying method according to claim 1, wherein the determining a corresponding point cloud type according to the working type of the live working site, calculating the distance between the working personnel and the corresponding point cloud type in real time, and judging whether the distance meets a preset safety distance comprises:
when an operator moves in the vertical direction of the insulating platform, calculating the closest distance S1 between the operator and the midpoint of the ground point cloud and the ground body point cloud in real time, and calculating the closest distance S2 between the operator and the midpoint of the charged body point cloud;
calculating a combined gap distance S of the closest distance S1 and the closest distance S2;
and judging whether the gap distance S meets a preset safety distance.
4. The substation live working safety distance surveying method according to claim 1, wherein the determining a corresponding point cloud type according to the working type of the live working site, calculating the distance between the working personnel and the corresponding point cloud type in real time, and judging whether the distance meets a preset safety distance comprises:
when the operator enters or exits the live working site, calculating the closest distance S3 between the operator and the point cloud of the charged body in real time;
and judging whether the nearest distance S3 meets a preset safety distance.
5. The substation live working safety distance surveying method according to claim 1, wherein the determining a corresponding point cloud type according to the working type of the live working site, calculating the distance between the working personnel and the corresponding point cloud type in real time, and judging whether the distance meets a preset safety distance comprises:
when the operator reaches an operation point, calculating the closest distance S4 between the operator and the midpoint of the grounding body point cloud in real time, and calculating the closest distance S5 between the operator and the midpoint of the charged body point cloud;
and judging whether the closest distance S4 and the closest distance S5 both meet a preset safety distance.
6. The substation live working safety distance surveying method according to claim 1, wherein the determining a corresponding point cloud type according to the working type of the live working site, calculating the distance between the working personnel and the corresponding point cloud type in real time, and judging whether the distance meets a preset safety distance comprises:
calculating the closest distance S6 between the lead wire and the midpoint of the point cloud of the charged body in real time in the process of vertically transferring the lead wire, wherein the lead wire is operated by an operator;
and judging whether the nearest distance S6 meets a preset safety distance.
7. The substation live working safety distance surveying method according to claim 1, wherein the determining whether the distance meets a preset safety distance further comprises: and setting a safe operation activity area of the operator according to the judgment result.
8. The utility model provides a transformer substation live working safe distance surveys device which characterized in that includes:
the establishing module is used for establishing a three-dimensional model of the live working site;
the classification module is used for classifying the point cloud of the three-dimensional model into a ground point cloud, a charged body point cloud and a grounding body point cloud;
and the analysis module is used for determining the corresponding point cloud type according to the operation type of the live-line operation site, calculating the distance between the operator and the corresponding point cloud type in real time, and judging whether the distance meets the preset safety distance.
9. A substation live working safety distance surveying device, characterized in that the device comprises a processor and a memory:
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is configured to execute the substation live working safety distance surveying method of any one of claims 1-7 according to instructions in the program code.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium is configured to store program code for performing the substation live working safety distance surveying method of any of claims 1-7.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101567530A (en) * | 2009-06-03 | 2009-10-28 | 国网电力科学研究院 | Safe method for entering tangent tower equal potentials for live-wire operation in 660kV direct current lines |
| CN105162005A (en) * | 2015-06-30 | 2015-12-16 | 国网浙江省电力公司金华供电公司 | Safety method for reaching equipotential of +/-800 kilovolt converter station in live-line manner |
| CN105162006A (en) * | 2015-06-30 | 2015-12-16 | 国网浙江省电力公司金华供电公司 | Safety method for reaching equipotential of 1000 kilovolt transformer substation in live-line manner |
| CN107704879A (en) * | 2017-10-10 | 2018-02-16 | 国家电网公司 | A kind of transformer station's live-working safety distance calculating method |
| CN109742681A (en) * | 2019-01-15 | 2019-05-10 | 北京拓维思科技有限公司 | The processing method and processing device of track of marching into the arena based on swing method |
| CN109861131A (en) * | 2018-11-20 | 2019-06-07 | 北京拓维思科技有限公司 | The determination method and device of combinational gap, storage medium |
| CN110190552A (en) * | 2019-05-08 | 2019-08-30 | 国家电网有限公司 | A kind of hot line maintenance security protection system and its method |
-
2021
- 2021-05-31 CN CN202110601856.4A patent/CN113205597A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101567530A (en) * | 2009-06-03 | 2009-10-28 | 国网电力科学研究院 | Safe method for entering tangent tower equal potentials for live-wire operation in 660kV direct current lines |
| CN105162005A (en) * | 2015-06-30 | 2015-12-16 | 国网浙江省电力公司金华供电公司 | Safety method for reaching equipotential of +/-800 kilovolt converter station in live-line manner |
| CN105162006A (en) * | 2015-06-30 | 2015-12-16 | 国网浙江省电力公司金华供电公司 | Safety method for reaching equipotential of 1000 kilovolt transformer substation in live-line manner |
| CN107704879A (en) * | 2017-10-10 | 2018-02-16 | 国家电网公司 | A kind of transformer station's live-working safety distance calculating method |
| CN109861131A (en) * | 2018-11-20 | 2019-06-07 | 北京拓维思科技有限公司 | The determination method and device of combinational gap, storage medium |
| CN109742681A (en) * | 2019-01-15 | 2019-05-10 | 北京拓维思科技有限公司 | The processing method and processing device of track of marching into the arena based on swing method |
| CN110190552A (en) * | 2019-05-08 | 2019-08-30 | 国家电网有限公司 | A kind of hot line maintenance security protection system and its method |
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