CN114547818A - Method for acquiring pattern and model information of low-voltage distribution area of power agricultural distribution network - Google Patents
Method for acquiring pattern and model information of low-voltage distribution area of power agricultural distribution network Download PDFInfo
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Abstract
The invention discloses a method for acquiring low-voltage distribution area graph model information of an electric power agricultural distribution network, belonging to the field of electric power distribution area graph model information acquisition, comprising the following steps of: s1: positioning a current transformer area, continuously positioning in real time along the layout trend of the transformer area, sequentially acquiring position information and attribute information of various types of electric power equipment above a meter box level in the transformer area, and uploading the position information and the attribute information to a system; s2: continuously positioning in real time, acquiring position information of a meter box, identifying the meter box or a bar code of each meter in the meter box, and associating meter box information, a meter information array and a user information array owned under the current meter box through a system intranet; s3: according to the collected path trend and the collected power equipment information, the system draws the platform area circuit to generate a platform area current situation graph model and a logic topology. The invention effectively promotes the improvement of stock low-voltage data and incremental data control, and supports an upper layer system to carry out the problem analysis and reason diagnosis of the current situation of the low-voltage transformer area of the agricultural distribution network.
Description
Technical Field
The invention relates to the field of power distribution area graph-model information acquisition, in particular to a method for acquiring low-voltage distribution area graph-model information of a power agricultural distribution network.
Background
With the rapid development and large-scale expansion construction of rural economy, the power demand will increase greatly, and the construction of a power distribution network will also develop rapidly. From the actual conditions at present, the overall technical level of the agricultural distribution network is relatively low, and the method mainly comprises the following steps: the agricultural distribution network structure and layout are not scientific, such as unreasonable line distribution, too large operation load and frequent equipment failure; the capacity of the transformer is not matched with the requirement, so that the load and line loss are overlarge; the three-phase load balance problem causes voltage drop, transformer overheating and line loss rising; the line overload operation promotes the reactive power of the agricultural distribution network, and causes higher harmonics. The problem diagnosis of the agricultural distribution network still adopts the traditional simple calculation and empirical analysis, and the problem diagnosis lacks visual system support.
If the current situation problem and reason of the low-voltage distribution network area of the agricultural distribution network need to be diagnosed by the system, the topology analysis of the distribution network area needs to be developed by the site graph model of the distribution network area, but the problem that the data from low voltage to the home to the phase in each system of the power grid is lost at present cannot support the problem analysis and reason diagnosis of the distribution network area of the agricultural distribution network by means of informatization.
Disclosure of Invention
The invention aims to provide a method for acquiring graph-model information of a low-voltage distribution area of an electric power agricultural distribution network, which can effectively overcome the defect that the graph-model data of the low-voltage distribution area of low-voltage arrival phase of a low voltage can not be acquired in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a method for acquiring pattern information of a low-voltage distribution area of an electric power agricultural distribution network comprises the following steps:
s1: positioning a current transformer area, continuously positioning in real time along the layout trend of the transformer area, sequentially acquiring position information and attribute information of various types of electric power equipment above a meter box level in the transformer area, and uploading the position information and the attribute information to a system;
s2: continuously positioning in real time, acquiring position information of a meter box, identifying the meter box or a bar code of each meter in the meter box, and associating meter box information, a meter information array and a user information array owned under the current meter box through a system intranet;
s3: according to the collected path trend and the collected power equipment information, the system draws a platform area circuit to generate a platform area current situation graph model and a logic topology;
s4: and exporting the acquired station area information through the system.
In some embodiments, when collecting information of each type of electrical equipment in S1, first obtaining longitude and latitude coordinate information of the electrical equipment through positioning, collecting attribute information of the electrical equipment where a person filled a location information drop point in the system, and when continuing to collect information of the next electrical equipment of the same type, the system generates attribute information of the current electrical equipment of the same type according to the last filled and stored attribute information.
In some embodiments, the types of power equipment above the meter box level include distribution transformers, towers, branch boxes, and wall mounts, and the distribution transformers are initial collection objects.
In some embodiments, when the system draws a line in the distribution room in S3, the system stores the trend of the collection path and the coordinate information of each inflection point, generates a start point and an end point according to the serial number in the attribute information of the power equipment, links from the start point to the end point to generate a single line without an inflection point, and repeats until the links of all line segments in the distribution room are completed.
In some embodiments, based on the power equipment of the location information drop point and the drawn line segment array, the system generates layout drawing model information of the station area field low-voltage power grid, and generates a station area power grid equipment contact logic topological structure according to a binary tree structure based on the incidence relation and the line segment of the power equipment collected in the station area.
Has the advantages that: according to the invention, the handheld equipment is used for collecting the station area site basic information, the technologies of code scanning identification, automatic positioning and the like are used for conveniently collecting the information of the power equipment such as the distribution transformer, the tower, the branch box, the wall body support, the meter box, the meter and the like in the station area, the system is used for drawing a circuit and generating a logic topology, the improvement of stock low-voltage data and incremental data control are effectively promoted, and the upper-layer system is supported for carrying out the current situation problem analysis and reason diagnosis of the low-voltage station area of the rural distribution network.
Drawings
FIG. 1 is a schematic flow diagram of the present invention;
FIG. 2 is a schematic diagram of convenient and fast acquisition of low-voltage transformer area power facility information in the present invention;
FIG. 3 is a schematic diagram of the rapid acquisition of devices below the meter box level in the present invention;
fig. 4 is a diagram illustrating automatic generation of logical topology according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
A method for collecting pattern and model information of a low-voltage distribution area of an electric power agricultural distribution network is disclosed, as shown in figure 1, and comprises the following steps:
s1: the method comprises the steps that a collector positions a current distribution area by using positioning devices such as a GPS (global positioning system) in the handheld equipment, continuously positions the current distribution area in real time along the layout trend of the distribution area, sequentially collects position information and attribute information of various types of electric equipment such as power distribution equipment, towers, branch boxes and wall supports above a meter box level in the distribution area, and uploads the position information and the attribute information to a system.
Specifically, longitude and latitude coordinate information of the distribution transformer is acquired at a distribution transformer position of the current acquisition person in the platform area, then, according to distribution transformer of the position information drop point, attribute information such as a distribution transformer name, an operation number, capacity, the line and the like is filled, and the position information and the attribute information are uploaded to a system.
Then, as shown in fig. 2, when the tower is moved to a position of the tower along the continuous path of the collector, the collector acquires longitude and latitude coordinate information of the current tower through a positioning device such as a GPS, and then completes the filling of attribute information such as a tower number and a name in the system according to the tower at the position information location. In order to accelerate the acquisition speed, when the information of the next tower is acquired, the system can automatically calculate and generate the attribute information of the tower according to the tower information which is successfully filled and stored last time, and the information acquisition of the associated tower can be quickly completed only by confirming or simply adjusting.
Similarly, when the collecting person walks to the branch box, the collecting person obtains the longitude and latitude coordinate information of the current branch box through a positioning device such as a GPS and the like, and then completes the filling of attribute information such as the serial number and the name of the branch box in the system according to the branch box at the position information falling point. In order to accelerate the collection speed, when the information collection of the next branch box is carried out, the system can automatically calculate and generate the attribute information of the branch box according to the information of the branch box which is successfully filled and stored at the last time, and the information collection of the related branch box can be quickly completed only by confirming or simply adjusting.
When the collecting person walks to the wall support, the collecting person obtains longitude and latitude coordinate information of the current wall support through a positioning device such as a GPS and the like, and then completes the filling of attribute information such as the serial number and the name of the wall support in the system according to the wall support at the position information falling point. In order to accelerate the collection speed, when the information of the next wall support is collected, the system can automatically calculate and generate the attribute information of the wall support according to the information of the wall support which is successfully filled and stored last time, and the information collection of the related wall supports can be quickly completed only by confirming or simply adjusting.
S2: this step mainly used carries out information acquisition to table case level and following power equipment. As shown in fig. 3, specifically, the acquiring person continuously performs real-time positioning, travels to the meter box, acquires latitude and longitude coordinate information of the meter box through a positioning device such as a GPS, identifies a bar code character string of the meter box through a bar code identification technology, transmits the character string to a system intranet through a service interface, associates the bar code with equipment information of the corresponding meter box, performs fuzzification processing on the information, and returns the information through the service interface again for information display. The collection person can carry out confirmation or simply adjust to the table case information of show and can accomplish table case information acquisition fast.
And for the identified meter box, associating a subordinate meter equipment information array through the bar code of the meter box, associating a user information array through the meter information array, after the information is fuzzified, returning the meter and the user information data through the service interface again to display, and realizing association of the related meter array and the user array.
For the condition that the meter box is not pasted with the bar codes, each meter is provided with the embedded bar codes, so that the bar codes of the meters are automatically identified and extracted by a collector, the bar codes are uploaded to a system intranet, a user information array is correlated through meter information, after the information is fuzzified, the meter and user information data are returned through a service interface again to be displayed, and correlation of the related meter array and the user array is realized.
And providing a meter phase selection item for quick selection aiming at the acquired meter and the user information group, and finishing quick acquisition of phase information.
S3: the system stores the trend of the acquisition path and the coordinate information of each inflection point, generates a starting point and an end point according to the equipment number sequence when the line of the transformer area is drawn, and generates a single line without inflection points by linking from the starting point to the end point. For example, as shown in fig. 4, the system generates a single line from the distribution transformer to the tower 2 with the generation of the distribution transformer as a starting point and the tower 2 as an inflection point and also as an ending point. With the tower 2 as a starting point and the wall body support 11 as an inflection point and an end point, the system generates a single line from the tower 2 to the wall body support 11. And repeating the steps, and finally drawing all the line sections in the platform area by the system, wherein the line sections comprise a main line, a branch line and a subscriber line.
Based on the electric equipment of the position information drop point and the drawn line segment array, the system generates layout drawing model information of the field low-voltage power grid of the transformer area, and generates a transformer area power grid equipment contact logic topological structure according to a binary tree structure based on the incidence relation and the line segment of the electric equipment collected in the transformer area.
Specifically, the method for generating the platform area power grid equipment contact logic topological structure according to the binary tree structure includes:
the method comprises the steps of obtaining a single line according to the line name or serial number, the line type, the line association attribute and the like of a low-voltage transformer area, wherein the line comprises equipment such as distribution transformers, towers, branch boxes, wall supports, meter boxes, meters, users and the like, and the equipment comprises a plurality of tower, branch boxes, wall supports, meter boxes, meters and user element information.
In order to automatically generate a logic topology of a platform area, when a line path is drawn, a system not only stores the line trend and the coordinate information of each inflection point, but also stores that a power device breaks a power supply path into a single line between the devices, for example, a distribution transformer-a tower 2-a branch box 2-a wall support 11-a meter box 2-a user 2 is a finished power supply path, and a single line between the power devices is from the tower 2 to the wall support 11. The system defines the ledger information of the low-voltage terminal equipment during drawing and establishes a one-to-one relationship between the line section and the power supply path.
And establishing a binary tree with the distribution equipment of the power supply path as a starting point and the equipment power supply sequence of the whole power supply path from the line direction according to the line segment, removing all towers of all non-key nodes, removing equipment such as power users and the like, and reconstructing the binary tree.
And searching all the devices except the distribution transformer in the binary tree to find whether the devices belong to other power supply paths which are not the current analysis line, if the devices belong to other lines, constructing the associated line by the analysis method to obtain the binary tree of the associated line, disordering the relationship of the associated binary tree, reconstructing the associated line by taking the associated device as a secondary starting point and resetting other parent-child relationships, merging the finally reconstructed whole associated binary tree into the binary tree of the analysis line, and completely incorporating the reconstructed whole associated binary tree into child nodes of the associated device.
And finally, all the devices in the binary tree of the power supply path need to be analyzed in sequence, and a final binary tree is generated according to the father-son relationship of the devices.
S4: and exporting the acquired station area information through the system. Specifically, based on the power equipment of the position information drop point and the automatically drawn line segment array, a detailed list of the collected station area information is generated according to the power equipment such as a distribution transformer, a tower, a branch box and the like, a meter box, a meter and a user, a line account, a single line, a detailed line and the like. The list can be exported from the system in a file form, and can be stored in the memory of terminal equipment such as a mobile phone, a notebook computer, an intelligent watch and the like so as to be imported into other systems for use, and low-voltage user-to-user data is supplemented and perfected.
Although the present description is described in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should be able to integrate the description as a whole, and the embodiments can be appropriately combined to form other embodiments as will be understood by those skilled in the art.
Therefore, the above description is only a preferred embodiment of the present application, and is not intended to limit the scope of the present application; all changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (5)
1. A method for acquiring pattern information of a low-voltage distribution area of an electric power agricultural distribution network is characterized by comprising the following steps:
s1: positioning a current transformer area, continuously positioning in real time along the layout trend of the transformer area, sequentially acquiring position information and attribute information of various types of electric power equipment above a meter box level in the transformer area, and uploading the position information and the attribute information to a system;
s2: continuously positioning in real time, acquiring position information of a meter box, identifying the meter box or a bar code of each meter in the meter box, and associating meter box information, a meter information array and a user information array owned under the current meter box through a system intranet;
s3: according to the collected path trend and the collected power equipment information, the system draws a platform area circuit to generate a platform area current situation graph model and a logic topology;
s4: and exporting the acquired station area information through the system.
2. The method for collecting the graphic model information of the low-voltage distribution area of the power agricultural distribution network according to claim 1, wherein when collecting the information of each type of power equipment in S1, the longitude and latitude coordinate information of the power equipment is obtained by positioning, the attribute information of the power equipment filled with the location information drop point in the system by a person is collected, and when continuing to collect the information of the next power equipment of the same type, the system generates the attribute information of the current power equipment of the same type according to the last filled and stored attribute information.
3. The method for collecting the pattern and model information of the low-voltage distribution area of the power agricultural distribution network according to claim 1, wherein the various types of power equipment above a meter box level comprise distribution transformers, towers, branch boxes and wall supports, and the power distribution is an initial collection object.
4. The method for collecting the low-voltage distribution network area graph-model information of the power agricultural distribution network according to claim 1, wherein when the system draws the distribution network area lines in S3, the system stores the trend of the collection path and the coordinate information of each inflection point, generates the start point and the end point according to the serial number sequence in the attribute information of the power equipment, generates a single line without the inflection point by linking from the start point to the end point, and repeats until the linking of all line segments in the distribution network area is completed.
5. The method for acquiring the low-voltage distribution room graph-model information of the power agricultural distribution network according to claim 4, wherein the system generates the layout graph-model information of the on-site low-voltage power grid of the distribution room based on the power equipment of the position information drop point and the drawn line segment array, and generates the connection logical topology structure of the power grid equipment of the distribution room according to a binary tree structure based on the incidence relation and the line segment of the power equipment acquired in the distribution room.
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