CN108053632B - Automatic identification system and method for user attribution relation - Google Patents
Automatic identification system and method for user attribution relation Download PDFInfo
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- CN108053632B CN108053632B CN201810081311.3A CN201810081311A CN108053632B CN 108053632 B CN108053632 B CN 108053632B CN 201810081311 A CN201810081311 A CN 201810081311A CN 108053632 B CN108053632 B CN 108053632B
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- G—PHYSICS
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- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
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Abstract
The invention relates to the technical field of electric communication, in particular to an automatic identification system and method for a user attribution relation, comprising a user collector connected in a user ammeter; the 400v concentrator is arranged in the low-voltage side distribution box of the transformer in the transformer area, and the 400v concentrator is connected with the upper stage of the user collector; the 10kv positioner is arranged on the high-voltage side of the transformer in the transformer area, and the upper stage of the 400v concentrator is connected with the 10kv positioner; a 10kv concentrator installed at the 10kv line outlet collection site; the upper stage of the 10kv positioner is connected with a 10kv concentrator, and the upper stage of the 10kv concentrator is connected with a voltage power supply side; and a master station system connected with the user collector, the 400v concentrator and the 10kv concentrator. The invention can automatically identify the attribution relation of the user through the master station system, acquire the user information at the same time, has high accuracy of acquiring the information and attribution judgment, can change the user information and other hierarchical information through the master station system, and can quickly locate and judge the abnormal line, thereby greatly reducing the labor capacity of staff.
Description
Technical Field
The invention relates to the technical field of telecommunication, in particular to an automatic identification system and method for a user attribution relation.
Background
In order to realize the requirement of fine management, the electric power enterprise network comprehensively pushes camping, distribution and adjustment through, and the core purpose of the electric power enterprise network is to improve the enterprise benefit through the fine management of synchronous line loss.
In order to realize the calculation and controllability of the synchronous line loss, the electric power enterprises rely on the intelligent electric meters and the acquisition system to realize the calculation of the line loss of the transformer area and the line loss, thereby finding out the abnormality of the line loss in time, further searching for reasons and further improving the economic benefit of the enterprises.
In order to realize the calculation of the line loss of the low-voltage station area and the line, the accuracy of the acquired data is the basis, the correspondence of the station area user change relation is a necessary condition, otherwise, the relation between the total table (power supply quantity) in the station area and the total power consumption (power selling quantity) of the users in the station area cannot be determined.
In order to realize the loss of the 10kv medium voltage line, the actual number of medium voltage access station areas in the 10kv line needs to be dynamically determined, and in practice, due to the adoption of ring network power supply, the access load change of the 10kv line often occurs, so that the line loss is not calculated.
The reasons for line loss of each layer are various, and mainly the actual users of the layer are inconsistent with files or illegal users (including man-made metering equipment faults, normal metering equipment faults and missing metering points) exist. The illegal user is actually the electricity stealing user, and is the important treatment object of the power enterprise.
There are several reasons for inconsistent correspondence between the actual users of the hierarchy and the power supply enterprise files: 1. entering errors during original profiling; 2. the construction unit does not strictly construct according to the drawing; 3. after the line load is cut during the power supply period, file updating information is not kept up in time, and the like; the power supply enterprise management platform is caused to have larger access to the hierarchical user information and actual power utilization users, so that larger deviation occurs in the hierarchical line loss calculation.
The conventional method for checking the information of the hierarchical archive users and the actual users at present is as follows: the related data of the power enterprise after being subjected to visual inspection or testing by using similar equipment such as a platform identifier and the like is subjected to corresponding relation modification to a related platform of the power enterprise, so that the workload is huge, and the later replacement of an ammeter or load cutting can also cause information dyssynchrony, so that the corresponding error of a hierarchical user is brought.
In actual work, basic maintenance and management personnel often cannot find electricity consumption user electricity meters and branch boxes in the field, and an old master with abundant field experience is required to carry out road, so that a large amount of manpower and material resources are consumed.
Of course, other companies have developed systems that automatically find for topology and line loss. For example, the patent number "CN 107196801a" is named as "an automatic identification system of a platform topology", and the system can realize the corresponding topological relation of users under the platform, but is limited to the topological relation between the users under the platform and the first-class users. If the topology relationship of the sub-users under the user table box is not generated; if there is only an quarantine function under the zone where the user is not under the zone, the true attribution of the user cannot be identified. The system is therefore very limited in grid use.
The patent number CN 106199291A is named as a branch identification and electric energy metering line loss analyzer, and can only confirm whether the branch belongs to the platform area on the premise of knowing the topological relation, and the line loss point searching does not have the capability of automatically generating topology, and the line loss point searching needs to be eliminated and searched by each line test manually, so that a great amount of time and labor are input in use.
Disclosure of Invention
The invention provides a system and a method for automatically identifying the user attribution relation, which are used for rapidly positioning and judging line abnormality and reducing the workload of staff, in order to overcome the defects of the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme: an automatic identification system for user attribution relation comprises
The user collector is connected in the user ammeter;
the 400v concentrator is arranged in the low-voltage side distribution box of the transformer in the transformer area, and the 400v concentrator is connected with the upper stage of the user collector;
the 10kv positioner is arranged on the high-voltage side of the transformer in the transformer area, and the upper stage of the 400v concentrator is connected with the 10kv positioner;
a 10kv concentrator installed at the 10kv line outlet collection site; the upper stage of the 10kv positioner is connected with a 10kv concentrator, and the upper stage of the 10kv concentrator is connected with a voltage power supply side;
And a master station system connected with the user collector, the 400v concentrator and the 10kv concentrator.
The invention can be used in the range below 110KV of the power grid, can automatically generate a tree topology diagram of any user in the coverage range of the system, and simultaneously realizes the functions of automatically searching and locating line loss points and identifying the attribution of the roaming user.
In the coverage area of the equipment, the invention can judge the electricity utilization attribution of any user ammeter below 110KV of the power grid through the master station system, increase and reduce any-level electricity utilization users, and the master station system can automatically identify; the method comprises the steps that electricity users are defined and marked in a layered mode, any user has ammeter layer, platform region layer, 10kv line layer and higher attribution information, namely a user collector collects ammeter layer information, a 400v concentrator collects platform region layer information, and a 10kv locator collects 10kv line layer information or higher line layer information; the user attribution relation is required to be changed, the hierarchy information number is changed through the master station system, the operation is time-saving and labor-saving, meanwhile, the power utilization user topological graph in the area is automatically generated through the master station system, the use is simple and convenient, and the manual electric quantity collection and the topological graph drawing are not required; the user collector, the 400v concentrator, the 10kv locator and the 10kv concentrator all have the electric quantity metering function, so that accurate calculation of line loss of each level in a coverage area can be realized, and abnormal line loss is positioned to a basic unit of the level; meanwhile, the method can realize the automatic collection of the related information of the electricity utilization user in the coverage area, further can quickly and accurately acquire the position and the reason of the circuit abnormality, and realizes the quick investigation of the circuit abnormality; when the information of the hierarchical archive users and the actual users is checked, the information can be automatically realized through the master station system, so that great convenience is brought to the line loss management of the power enterprises, the line loss (which is not actually lost) caused by the management is removed, the faults of the electricity stealing users and the metering equipment can be timely found, and the real line loss reasons are found; of course, as mentioned above, the electricity user has any roaming, and the attribution relation of the electricity user is automatically identified and generated, so the invention brings great practical benefit for the power supply enterprises.
In addition, the invention has simple structure, easy realization and good use effect, greatly reduces the labor capacity of staff, automatically acquires and modifies information through the master station system, and can greatly improve the accuracy of information acquisition and modification compared with manual operation, and has simple, convenient and quick operation.
Further, the user collector comprises a single user collector arranged in a single user meter box and/or a meter box collector arranged in a multi-user meter box. And further, the home identification and electric quantity metering of a single user or multiple users can be realized, and the use is more convenient.
Further, the system also comprises a branch collector arranged in the branch box, and the branch collector is connected between the 400v concentrator and the user collector; the next stage of the branch collector is connected with the user collector, and the previous stage of the branch collector is connected with the 400v concentrator. When in line loss analysis and positioning, the branch line loss can be calculated during line loss analysis; when the line loss is positioned, the illegal access point can be clearly informed to the section of the line between the outgoing line side of the transformer and the meter box, and the checking speed is faster and more accurate.
Further, the system also comprises a handheld device which can be connected with the user collector, the 400v concentrator, the 10kv locator, the 10kv concentrator and the master station system in a wireless way. The information can be acquired through the handheld device, and the handheld device is convenient and free to use.
Further, the user collector comprises a first RS485 communication module connected with the user ammeter, a first 4G communication module connected with the master station system, a first carrier communication module connected with the branch collector, a first station branch identification module connected with the branch collector and the 400v concentrator, a first storage module and a user collection chip; the user acquisition chip is connected with the first RS485 communication module, the first 4G communication module, the first carrier communication module, the first station branch identification module and the first storage module. The system is simple in structure, easy to realize, capable of storing and transmitting information, and convenient to identify the area of the user collector through the first area identifying module.
The 400v concentrator comprises a second wireless communication module connected with the 10kv locator, a second carrier communication module connected with the branch collector, a second station branch identification module connected with the branch collector and the user collector, a second storage module, a second RS485 communication module connected with the station metering terminal, and a 400v concentrated chip, wherein the 400v concentrated chip is connected with the second wireless communication module, the second carrier communication module, the second station branch identification module, the second storage module and the second RS485 communication module. The system has the advantages that the system is simple in structure and easy to realize, information can be stored and transmitted, and the system is connected with the station area metering terminal through the second RS485 communication module, so that the electric quantity of the station area terminal is obtained, and the later-stage abnormal line loss positioning is convenient; the second station area branch identification module is convenient for identifying the station areas where the user collectors and the branch collectors are located.
Further, the 10kv locator comprises a third wireless communication module connected with the 400v concentrator, a third carrier communication module connected with the 10kv concentrator, a third storage module and a 10kv locating chip; the 10kv positioning chip is connected with the third wireless communication module, the third carrier communication module and the third storage module; the structure is simple, the implementation is easy, and the storage and the transmission of information can be realized.
The 10kv concentrator comprises a fourth 4G communication module connected with the master station system, a fourth RS485 communication module connected with the TMR billing and metering system, a fourth carrier communication module connected with the 10kv locator, a fourth storage module and a 10kv concentrated chip, wherein the 10kv concentrated chip is connected with the fourth 4G communication module, the fourth RS485 communication module, the fourth carrier communication module and the fourth storage module. The structure is simple, the implementation is easy, the storage and the transmission of information can be realized, and the fourth RS485 communication module is connected with the TMR charging metering system, so that the calculation of cost is convenient.
The branch collector further comprises an electric quantity metering module, a fifth carrier communication module connected with the user collecting module and the 400v concentrator, a fifth station branch identification module connected with the user collecting module and the 400v concentrator, a fifth storage module and a branch chip; the branch chip is connected with the electric quantity metering module, the fifth carrier communication module and the fifth station branch identification module. The structure is simple, the implementation is easy, the storage and the transmission of information can be realized, and the metering of electric quantity can be realized.
In addition, the invention also provides an identification method for the user attribution relation identification system, which comprises the following steps:
(A) After the user collector is electrified to work, information of the corresponding user ammeter is collected; meanwhile, the user collector can send a station area attribution judging request to the upper-level 400v concentrator;
(B) After receiving the district attribution judging request, the 400v concentrator judges the district attribution of the corresponding user collector; the original path of the station area attribution judging result is fed back to the corresponding user collector;
(C) The user collector feeds back the judging result of the attribution of the platform area and the corresponding user ammeter information to the master station system;
(D) After the 400v concentrator is electrified, the platform region information is set and sent to the 10kv locator; after receiving the information of the station area, the 10kv locator inquires the 10kv line number of the station area, and feeds the inquired 10kv line number back to the 400v concentrator;
(E) The 400v concentrator feeds back the station information and the 10kv line number to which the station belongs to the master station system.
The invention can obtain the user information and the detailed information such as the station area, the branch attribution number and the like of the user ammeter only through the master station system; the user information comprises the information such as the number of the ammeter, the electricity consumption condition and the like; the electric quantity line loss of each level can be accurately calculated, so that abnormal line loss positioning can be rapidly carried out, maintenance difficulty is reduced, and the position of power theft can be rapidly found; and when the information or the hierarchical structure of the user ammeter changes, the information can be changed through the master station system, and the use is convenient.
Further, the steps (a), (B) and (C) further include a step of performing branch judgment by using a branch collector, and the specific process is as follows:
(A) After the user collector is electrified to work, information of the corresponding user ammeter is collected; meanwhile, the user collector can send a platform area and branch attribution judging request to the upper-level branch collector; the branch collector judges the branch attribution of the user collector; the branch collector sends a station area attribution judging request to the 400v concentrator, and feeds back the branch attribution judging result to the corresponding user collector in the original path;
(B) After receiving the district attribution judging request, the 400v concentrator judges the district attribution of the corresponding user collector; the original path of the station area attribution judging result is fed back to the corresponding user collector;
(C) And the user collector feeds back the station area, the branch attribution judging result and the corresponding user ammeter information to the master station system.
The branch collector is added, so that the branch attribution of the user ammeter can be judged, and when the line loss is analyzed and positioned, the branch collector can calculate the branch line loss, and further can clearly inform which section of line between the outgoing line side of the transformer and the meter box has an illegal access point, so that the workload of staff is further reduced.
In summary, the invention can automatically identify the attribution relation of the user through the master station system, acquire the user information, has high accuracy of the acquired information and attribution judgment, can change the user information and other hierarchical information through the master station system, and can quickly locate and judge the abnormal line, thereby greatly reducing the labor capacity of staff.
Drawings
FIG. 1 is a schematic diagram of the structure of an embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of embodiment 1 of the present invention with a branch collector;
fig. 3 is a schematic structural diagram of a user collector in embodiment 1 of the present invention;
FIG. 4 is a schematic diagram of a 400v concentrator according to embodiment 1 of the present invention;
FIG. 5 is a schematic view of a 10kv positioner according to example 1 of the present invention;
FIG. 6 is a schematic diagram of a 10kv concentrator structure of embodiment 1 of the present invention;
FIG. 7 is a schematic diagram of a branch collector according to embodiment 1 of the present invention;
fig. 8 is a flowchart of embodiment 2 of the present invention.
Detailed Description
In order to enable those skilled in the art to better understand the present invention, the following description will make clear and complete descriptions of the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention.
Example 1
As shown in fig. 1-7, an automatic user attribution relation recognition system comprises a user collector 1, a 400v concentrator 2, a 10kv locator 3, a 10kv concentrator 4, a master station system 5 and a branch collector 6. The master station system 5 is connected with the user collector 1, the 400v concentrator 2 and the 10kv concentrator 4.
Specifically, the user collector 1 is connected to the user electricity meter 10. The user collector 1 comprises a single user collector 1a and a meter box collector 1b, wherein the single user collector 1a is arranged in a single user meter box 100, and the meter box collector 1b is arranged in a multi-user meter box 101. Of course, the user collector 1 may be a single user collector 1a or a meter box collector 1b.
The meter box collector 1b has a metering function; the branch collector 6 and the 400v concentrator 2 have a multi-path simultaneous metering function; the 400v concentrator 2 and the 10kv locator 3 also have wireless transmission communication functions; the 10kv locator 3 and the 10kv concentrator 4 may communicate using medium voltage carriers, but are not limited to.
The single-user collector 1a and the meter box collector 1b have a station area and branch attribution request function; the single-user collector 1a, the meter box collector 1b and the 400v concentrator 2 have a 4G public network wireless uploading function; the branch collector 6 has a branch recognition function; the 400v concentrator 2 has a zone identification function.
As shown in fig. 3, the single-user collector 1a and the meter box collector 1b have the same structure, that is, each of the user collectors 1 includes a first RS485 communication module 11, a first 4G communication module 12, a first carrier communication module 13, a first station branch identification module 14, a first storage module 15, and a user collection chip 16. The user acquisition chip 16 is connected with the first RS485 communication module 11, the first 4G communication module 12, the first carrier communication module 13, the first station branch identification module 14 and the first storage module 15. The first RS485 communication module 11 is connected with the user ammeter 10, the first 4G communication module 12 is connected with the master station system 5, the first carrier communication module 13 is connected with the branch collector 6, and the first station branch identification module 14 is connected with the branch collector 6 and the 400v concentrator 2.
Specifically, the 400v concentrator 2 is installed in a low-voltage side distribution box of the transformer in the transformer area, and the 400v concentrator 2 is connected with the upper stage 1 of the user collector. Moreover, the 400v concentrator 2 can collect multi-line related information in the distribution box, can send a transformer attribution request of a transformer area, and requires the 10kv line attribution relation of the 10kv line attribution of the upper-level equipment 3 to be confirmed, has a short-distance wireless transmission function, and can exchange data with the 10kv line attribution of the upper-level equipment 3; the system has a metering function, can meter electricity consumption of a plurality of outlet switches in a distribution box, can read the total table or terminal electric quantity of a station area, and transmits the total table or terminal electric quantity to a master station system 5.
As shown in fig. 4, the 400v concentrator 2 includes a second wireless communication module 21, a second carrier communication module 22, a second station branch identification module 23, a second storage module 24, a second RS485 communication module 25, and a 400v concentration chip 26. The 400v centralized chip 26 is connected to the second wireless communication module 21, the second carrier communication module 22, the second station branch identification module 23, the second storage module 24, and the second RS485 communication module 25. The second wireless communication module 21 is connected with the 10kv locator 3, the second carrier communication module 22 is connected with the branch collector 6, the second station area branch identification module 23 is connected with the branch collector 6 and the user collector 1, and the second RS485 communication module 25 is connected with the station area metering terminal 101. The terminal collector 101 for the station area is an existing structure and will not be described herein.
Specifically, the 10kv positioner 3 is installed at the high-voltage side of the transformer in the transformer area, and the upper stage of the 400v concentrator 2 is connected with the 10kv positioner 3. The 10kv locator 3 is arranged on the high-voltage side of the transformer area, and can exchange data with the concentrator 2 of the subordinate equipment 400v through short-distance wireless to inform the subordinate equipment of the information of the 10kv line to which the 10kv locator belongs; meanwhile, a transformer attribution request of a transformer area can be sent, and the superior equipment 10kv concentrator 4 is required to confirm the attribution of the identity; the related information sent by other 10kv positioners 4 in the same level can be relayed and forwarded; the 10kv locators 3 may communicate with each other, but not limited to, by medium subcarrier means.
As shown in fig. 5, the 10kv locator 3 includes the third wireless communication module 31, a third carrier communication module 32, a third storage module 33, and a 10kv locating chip 34. The 10kv positioning chip 34 is connected to the third wireless communication module 31, the third carrier communication module 32, and the third storage module 33; the third wireless communication module 31 is connected with the 400v concentrator 2, and the third carrier communication module 32 is connected with the 10kv concentrator 4.
Specifically, the 10kv concentrator 4 is installed at a 10kv line outlet aggregation site. The 10kv concentrator 4 is connected to the upper stage of the 10kv positioner 3, and the voltage supply side is connected to the upper stage of the 10kv concentrator 4, and the voltage may be 35kv or 110kv. The upper-level voltage power supply side is basically covered by a charging metering system at present, and the electric quantity of the upper-level voltage side meter can be directly read to obtain the total electric quantity of the whole multi-path 10kv line; if line loss analysis is required to be carried out on each 10kv line, an ammeter can be installed on the outgoing line side of each 10kv line, and the 10kv concentrator 4 directly reads the information of the 10kv outgoing ammeter, so that line loss analysis can be carried out on each 10kv line. Communication between the 10kv concentrator 4 and the 10kv locator 3 may be, but is not limited to, by way of a medium subcarrier.
As shown in fig. 6, the 10kv concentrator 4 includes a fourth 4G communication module 41, a fourth RS485 communication module 42, a fourth carrier communication module 43, a fourth storage module 44, and a 10kv concentration chip 45. The 10kv centralized chip 45 is connected to the fourth 4G communication module 41, the fourth RS485 communication module 42, the fourth carrier communication module 43, and the fourth storage module 44. The fourth 4G communication module 41 is connected with the master station system 5, the fourth RS485 communication module 42 is connected with the TMR billing and metering system 101, and the fourth carrier communication module 43 is connected with the 10kv locator 3.
Specifically, the branch collector 6 is installed in the branch box, and is used for collecting information related to a plurality of lines in the branch box, and the branch collector 6 is connected between the 400v concentrator 2 and the user collector 1. The next stage of the branch collector 6 is connected with the user collector 1, and the previous stage of the branch collector 6 is connected with the 400v concentrator 2. Meanwhile, the branch collector 6 can send a branch box attribution request to require the upper-level equipment to confirm the identity attribution; the multi-channel metering device has a multi-channel metering function, can be used for collecting electric wires for a plurality of branch outgoing lines in the branch box, and can also meter the multi-channel outgoing lines of the branch box.
As shown in fig. 7, the branch collector 6 includes a power metering module 61, a fifth carrier communication module 62, a fifth station branch identification module 63, and a branch chip 65. The branching chip 65 is connected to the electricity metering module 61, the fifth carrier communication module 62, and the fifth station branching identification module 63. The fifth carrier communication module 62 is connected with the user acquisition module 1 and the 400v concentrator 2, and the fifth station branch identification module 63 is connected with the user acquisition module 1 and the 400v concentrator 2.
Of course, for investment economy, the system can reduce the branch collectors 6, which is equivalent to only two-stage management at the low-voltage area level: the bottom layer single-user collector 1a, the meter box collector 1b and the 400v concentrator 2 management layer have unchanged functional flows, the basic functions of the system are unchanged at the moment, but when the system is used for analyzing and positioning the line loss, the branch collector 6 is absent, and the branch line loss cannot be calculated during the line loss analysis at the moment; in the case of line loss positioning, it is not possible to clearly tell whether an illegal access point exists in the section of line between the outgoing line side of the transformer and the meter box.
Through the operation process, all the power utilization users of the 10kv line and the levels below have automatic identity capability; the electricity utilization user joining any level of the line can realize the automatic identity attribution identification capability in real time through the master station system 5. For example, a 400v station area, a meter box numbered 02 below the branch box No. 1 is newly added with a meter user, the meter box collector 1b of the meter box is known to belong to a 001 # 10kv line, a 001 # transformer, a 01 # occurrence switch and a 01 # branch box, and the information is directly bound with the meter number of the meter user in a corresponding manner, so that the attribution information of the meter user can be simply obtained.
The power supply area of the hierarchical equipment is provided, and the system has the functions of line loss analysis, line loss positioning, automatic acquisition of station user information, approach guidance of handheld equipment, automatic generation of GIS field diagrams of the system component equipment and the like. The system has the function of collecting electricity information, and can completely replace the collection system used by the current electric power department; the method can intelligently judge the attribution and topology of the automatic platform area of the users in the area without personnel intervention; the line loss generation reason can be directly positioned at the extreme end of the hierarchy (such as a meter box), and the meter box is timely and efficient for electricity larceny prevention or metering equipment fault treatment. Within the system coverage area, the user topology map for each level may be automatically generated.
In addition, the invention also comprises a handheld device which can be connected with the user collector 1, the 400v concentrator 2, the 10kv locator 3, the 10kv concentrator 4 and the master station system 5 in a wireless way. The handheld device may be of an existing structure and will not be described in detail herein.
The automatic identification function of the attribution relation of the electricity utilization users in the coverage area of the system increases and reduces the electricity utilization users at any level, and the system is automatically identified; the method comprises the steps of defining and marking electricity users in a layered manner, wherein any user has information of a meter box layer, a branch layer, a station area layer and a 10kv line layer; changing the user attribution relation and changing the hierarchical information number.
The system has the function of automatically positioning the most basic unit of each level when the line loss is analyzed and abnormal.
In the coverage area of the system, any electricity user adopts code identification, the code is a string of digital information, and the code can be automatically generated by the system in real time, so that the system has the function of random roaming in the coverage area of the system; the encoding of each level of equipment can adopt multi-bit numbers according to the need; meanwhile, the system exchanges information with other OA platforms, and has a roaming confirmation automation function after confirmation.
The single-user collector 1a, the meter box collector 1b, the branch collector 6, the 400v concentrator 2, the 10kv locator 3 and the 10kv concentrator 4 are provided with longitude and latitude information storage encrypted by an ESAM module, so that the handheld device has the function of judging the position of the device and guiding the handheld device to approach.
The invention can realize layering and marking of the power supply enterprises on user information management, is simple and easy to operate when calculating line losses of all levels, is convenient and fast when searching the line losses of the levels, and automatically realizes matching confirmation when a power supply path is changed, so that the work of communicating the power supply enterprises in marketing, distribution and adjustment is automated, and the complex work caused by the great need of manual intervention and confirmation at present is changed.
In the coverage area of the equipment, the user can roam in the coverage area of the system, and the judgment of the power utilization attribution of any user can be realized in real time, so that a power utilization user topological graph in the area is automatically generated; accurate calculation of line loss of each level in the coverage area can be realized, and abnormal line loss is positioned to the basic unit of the level; the method can realize the automatic collection of the related information of the electricity utilization users in the coverage area; the device has longitude and latitude storage, thereby having the function of positioning and guiding the handheld device to approach.
For example, it is known that the line loss of a certain area is high, and the following actions are needed to be performed for checking the current technical conditions:
1. determining whether the file user information in the area is consistent with the actual electricity consumption information (manually checking by using an area identifier on site);
2. determining whether the transformer side metering of the transformer area has problems, a summary table, a transformer and the like (a manual field use calibrator, a transformation ratio tester and the like);
3. using an on-site calibrator to check users with obviously abnormal electricity consumption in a period of time, such as 3-5 months;
4. checking and inspecting the lines in the station area, and judging whether illegal access point users exist;
5. checking whether a key user in the platform area damages metering equipment or not;
Usually, the method requires a great deal of staff with quite abundant experience, and a great deal of site repeated interviews and investigation are added, so that the reason for abnormal line loss can be finally obtained; time and effort are also the pain points of the current power-based management departments. The power supply area with the system is very simple to find out the high line loss, and the flow is as follows:
1. checking whether the electric quantity of the 400v concentrator is consistent with a summary table or a terminal, and if so, judging that the inconsistent problem is in the summary table or the terminal;
2. and if the electric quantity of each branch collector is equal to the electric quantity of each outlet switch of the 400V concentrator 2, illegal access points appear between the outlet of the switch of the distribution box and the line end of the branch box if the electric quantity is unequal.
3. And if the electric quantity of each outgoing line switch of each 400V concentrator 2 is equal to the electric quantity of the subordinate meter box, the outgoing line is the outgoing line if the electric quantity of each outgoing line switch of each 400V concentrator is unequal.
4. Whether the measured electric quantity of each meter box collector 1b is equal to the sum of the electric quantity of users in the meter box or not is judged that the user electric meter is suspected in the meter box or an illegal access point is arranged in the meter box; if not, illegal access points exist in the station area, and line inspection is carried out one by one.
5. The 10kv concentrator 4 can read the electric quantity information of the electric meter of the charging and metering system of the last level through a 485 communication interface.
The above-mentioned decision process is relatively simple and can be automatically implemented by the background software of the master station system 5: directly judging which layer is abnormal in line loss, and guiding staff to directly verify the layer.
The power supply area with the hierarchical equipment is increased in any hierarchy, and users do not need to manually modify the information of the hierarchical equipment in the related information platform, and the automatic calculation of the line loss can be realized by modifying the power supply topology path. At present, users at any level are increased and reduced, and a great deal of information modification is needed to be performed on a relevant platform manually; manual intervention is not only labor intensive, but also makes errors frequent. After the system is adopted, the manual intervention quantity is less, and the accuracy is high.
The 10kv ring network is adopted to supply power for frequent switching, so that the fluctuation of the line loss of the 10kv line is often not calculated; the multi-transformer supplies power, so that the line loss of the transformer area cannot be calculated. Realizing the automatic judgment of the user attribution relation, so that the line loss of the layer level in the area can be calculated in real time; the abnormal line loss is automatically positioned to the meter box level, so that a power supply enterprise can conveniently and timely check the meter box level, and the loss is reduced, and the economic benefit of the enterprise is improved.
At present, a manual topology drawing mode is generally adopted by an electric power enterprise, so that the workload is huge, the load circuit is slightly adjusted, and a topology drawing is required to be drawn again. In the coverage area of the system, because the users at each level adopt a coding mode to determine the identity information, the topology drawing of the users at each level becomes simple and easy, can be automatically generated by the system without manual drawing, greatly reduces the workload, quickens the drawing speed and makes the topology drawing clearer.
Meanwhile, the single-user collector 1a, the meter box collector 1b, the branch collector 6, the 400v concentrator 2, the 10kv locator 3 and the 10kv concentrator 4 of the system have longitude and latitude storage functions. The equipment is relatively fixed in position, and generally cannot move in batches after being installed, so that when geographical position information is acquired, position information is written or recorded during installation, when the position is changed in a very small condition, the longitude and latitude are recorded or written again, the positioning requirement can be met at low cost, and a conventional GPS or Beidou receiving module is not required for real-time position judgment; when each device of the system is installed, a high-precision longitude and latitude tester with ESAM encryption special for the inside of the power system is used for identifying the current position, longitude and latitude information is written into each unit device of the system one by one, so that each unit of the system has a position marking function; when each unit device of the system is moved, the longitude and latitude information is rewritten; the writing or inputting of longitude and latitude information is authorized by ESAM encryption, so that illegal writing can be prevented; the master station of the electric power system reads the longitude and latitude information of each unit and can automatically generate a device geographic information system diagram in a background GIS system; in the field, authorized handheld equipment can read the position information of each unit of the system in the area in real time, so that workers can be guided to quickly find the unit.
In the area where the system is installed, testing the current position by using a high-precision positioning instrument with ESAM encryption function, and writing or inputting each unit of the system in a short distance, so that each unit device has position information; the master station system 5 sends a reading instruction, so that the position information of each equipment unit can be quickly read to the master station system 5, and an equipment geographic information diagram is automatically generated by combining with a GIS platform of an electric power enterprise; when a field worker needs to search a certain device, the authorized handheld device can read the position information of the device, and the worker can be directly guided to approach the device, so that the problem that the worker cannot search the device is solved very conveniently.
Example 2
The invention also discloses a recognition method for the user attribution relation recognition system of the embodiment 1, as shown in fig. 8, comprising the following steps:
(A) After the user collector 1 is electrified, the information of the corresponding user ammeter 10 is collected; meanwhile, the user collector 1 can send a district and branch attribution judging request to the upper-level branch collector 3; namely, the single-user collector 1a is arranged in the single-user meter box, collects related information of the single-user electric meter, and simultaneously sends a single-user meter box attribution request to require the upper-level equipment to confirm the identity area and the branch attribution. Similarly, the meter box collector 1b is arranged in a multi-user meter box to collect the related information of a plurality of ammeter users in the meter box, and can send a multi-meter box station area and branch attribution request signal to require the upper-level equipment to confirm the identity attribution; the utility model has the metering function and can be used for collecting all electricity in the meter box.
Then, the branch collector 6 judges the branch attribution of the user collector 1; the branch collector 6 sends a station area attribution judging request to the upper-stage 400v concentrator 2, and feeds back the branch attribution judging result to the corresponding user collector 1.
(B) After receiving the request for judging the attribution of the platform region, the 400v concentrator 2 judges the attribution of the platform region for the corresponding user collector 1; and the original path of the station area attribution judging result is fed back to the corresponding user collector 1.
(C) The user collector 1 feeds back the result of the judgment of the station area and the branch attribution and the corresponding user ammeter information to the master station system 5.
(D) After 400v concentrator 2 is powered on, zone information is set and sent to 10kv locator 3; after receiving the information of the station area, the 10kv locator 3 inquires the 10kv line number of the station area, and feeds back the inquired 10kv line number to the 400v concentrator 2.
(E) The 400v concentrator 2 feeds back the zone information and the 10kv line number to which the zone belongs to the master station system 5.
For clarity and brevity, it is assumed that the system is within the coverage area of the system, at a 10kv line numbered 06, a bay numbered 02, an outgoing line switch numbered 01, a branch box numbered 03, and a table box numbered 08.
After the equipment is newly installed in the 02 station area and the single user collector 1a and the meter box collector 1b are electrified, corresponding ammeter information including meter numbers and electric quantity is collected; after the acquisition is successful, a region and branch attribution judging request signal is sent to the branch acquisition device 6, region and branch identification is carried out, and after feedback information of the branch acquisition device 6 or the 400v concentrator 2 is received, the single-user acquisition device 1a and the meter box acquisition device 1b store region and branch attribution code information, for example, the branch attribution is 03, and the region information is 02. Of course, the station area and the branch information can also be stored in the 400v concentrator 2; the single user collector 1a and the meter box collector 1b can also be directly connected to the electric power collection system platform through a 4G public network to upload related information such as user meter numbers, electric quantity and the like; the meter box collector 1b starts to meter the power supply quantity entering the meter box at the same time, and gathers a plurality of ammeter electric quantity in the meter box according to the collected information, compares the power supply quantity with the summarized electric quantity, and can check whether a user using electricity in the meter box is the reason for causing abnormal line loss of the platform area in real time.
After the power-on operation of the branch collector 6, the branch collector receives the station area and branch attribution judging request signals, performs branch identification, simultaneously sends a station area attribution judging request to the 400v concentrator 2, and stores the station area information when receiving the station area signals fed back by the 400v concentrator 2, for example, the attribution of an outlet switch is 01, and the station area information is 02; when receiving the attribution request of the subordinate single-user collector 1a and the meter box collector 1b, feeding back the attribution of the outgoing line switch to be 01, the attribution of the branch to be 03 and the information of the platform area to be 02 to the single-user collector 1a and the meter box collector 1b.
After the 400v concentrator 2 is powered on, setting corresponding platform area information; transmitting the district information to the 10kv locator 3 in a wireless mode, and knowing that the district information is in a No. 06 10kv line after receiving feedback; and receiving a request signal of a subordinate branch collector 6, wherein a 10kv line of a feedback outlet 06 number, the attribution of a switch is 01, and the information of a platform area is 02.
Through the steps, the complete attribution information of the single-user collector 1a and the meter box collector 1b can be known as follows: 0602010308 means: the branch box is a No. 3 and No. 08 meter box and is positioned on a No. 06 10kv line, a No. 02 station area and a No. 01 switch outgoing line.
After a period of time, due to the load reason, the single-user collector 1a and the meter box collector 1b are adjusted to be provided with other outlet switches, the above process is repeated, the switch number 06 is found, the branch box is 01, and the attribution relation is: 0602060108; the determination request signal identification of the area and branch topology relationship may be set as:
A. each time power is applied;
B. when the line loss of the hierarchy is abnormal;
C. month/quarter/6 month/year
If: after a period of time, the line loss of the platform area is abnormal, and no other reasons exist because the user 00000018 in the meter box collector 1b steals electricity. The system re-identifies the instruction for identifying the complete area and branch topological relation of the area, and all factors are eliminated; the staff is prompted to check the users of the meter box in the meter box collector 1b directly, and the problems are easily found.
If: after a period of time, the line loss of the transformer area is abnormal because the meter box collector 1b is cut by the load line, and no other reasons exist. The master station system 5 re-recognizes the complete identification of the station area and the branch topological relation of the station area, and discovers that the meter box collector 1b does not exist; and automatically corresponding to OA information of other system work tickets, finding existence, automatically modifying the station area information by the master station system 5, and immediately and normally determining the station area line loss, wherein the station area line loss is automatically realized by the system without manual intervention. Otherwise, the fault of the meter box collector 1b is detected by a worker in time.
If: after a period of time, the 10kv line loss is abnormal because the 400v concentrator 2 is powered by the load line cut to another 10kv line, and there is no other reason. The master station system 5 sends out an instruction to the 10kv concentrator 4, reads all the subordinate 10kv locators 3, and finds that the 10kv locators 3 are absent; and automatically corresponding to OA information of other system work tickets, finding that a cutting work ticket exists, automatically modifying the quantity information of the 10kv line and the 10kv locator 3 by the system, and immediately and normally ensuring the line loss of the 10kv line, wherein the system is automatically realized without manual intervention. Otherwise, the 10kv positioner 3 fails, and a worker is required to check in time.
Example 3
This example is an improvement over example 2, except that: the step of branch judgment by using a branch collector in the steps (A), (B) and (C) is eliminated, and the specific process is as follows:
(A) After the user collector 1 is electrified, the information of the corresponding user ammeter 10 is collected; meanwhile, the user collector 1 can send a station area attribution judging request to the upper-level 400v concentrator 2.
(B) After receiving the request for judging the attribution of the platform region, the 400v concentrator 2 judges the attribution of the platform region for the corresponding user collector 1; and the original path of the station area attribution judging result is fed back to the corresponding user collector 1.
(C) The user collector 1 feeds back the result of the district attribution judgment and the corresponding user ammeter information to the master station system 5.
(D) After the 400v concentrator is electrified, the platform area information is set and sent to the 10kv locator 3; after receiving the information of the station area, the 10kv locator 3 inquires the 10kv line number of the station area, and feeds back the inquired 10kv line number to the 400v concentrator 2.
(E) The 400v concentrator 2 feeds back the zone information and the 10kv line number to which the zone belongs to the master station system 5.
When in use, the electricity user arbitrarily roams, and the land attribution relation is automatically identified and generated; the multi-stage line loss is automatically positioned step by step until the basic unit causing the line loss; guiding power management personnel to directly reach a basic unit causing the line loss of the hierarchy; the multi-stage wire loss is automatically calculated; automatically generating a multi-stage electricity utilization user branch topological graph; and automatically checking the user-to-user correspondence in the platform area.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
Claims (9)
1. An automatic identification system for user attribution relation comprises
The user collector (1) is connected in the user ammeter (10);
the 400v concentrator (2) is arranged in the low-voltage side distribution box of the transformer in the transformer area, and the 400v concentrator (2) is connected with the upper stage of the user collector (1);
the 10kv positioner (3) is arranged on the high-voltage side of the transformer in the transformer area, and the upper stage of the 400v concentrator (2) is connected with the 10kv positioner (3);
a 10kv concentrator (4) installed at the 10kv line outlet collection site; the upper stage of the 10kv positioner (3) is connected with the 10kv concentrator (4), and the upper stage of the 10kv concentrator (4) is connected with the voltage power supply side;
And a master station system (5) connected with the user collector (1), the 400v concentrator (2) and the 10kv concentrator (4).
2. The automatic user attribution relation recognition system according to claim 1, wherein: the user collector (1) comprises a single user collector (1 a) arranged in a single user meter box (100) and/or a meter box collector (1 b) arranged in a multi-user meter box (101).
3. The automatic user attribution relation recognition system according to claim 1, wherein: the system also comprises a branch collector (6) arranged in the branch box, wherein the branch collector (6) is connected between the 400v concentrator (2) and the user collector (1); the next stage of the branch collector (6) is connected with the user collector (1), and the previous stage of the branch collector (6) is connected with the 400v concentrator (2).
4. The automatic user attribution relation recognition system according to claim 1, wherein: the system also comprises a handheld device which can be connected with the user collector (1), the 400v concentrator (2), the 10kv locator (3), the 10kv concentrator (4) and the master station system (5) in a wireless way.
5. A user attribution relation automatic identification system according to claim 3, wherein: the user collector (1) comprises a first RS485 communication module (11) connected with the user ammeter (10), a first 4G communication module (12) connected with the master station system (5), a first carrier communication module (13) connected with the branch collector (6), a first station branch identification module (14) connected with the branch collector (6) and the 400v concentrator (2), a first storage module (15) and a user collection chip (16); the user acquisition chip (16) is connected with the first RS485 communication module (11), the first 4G communication module (12), the first carrier communication module (13), the first station branch identification module (14) and the first storage module (15);
The 400v concentrator (2) comprises a second wireless communication module (21) connected with the 10kv locator (3), a second carrier communication module (22) connected with the branch collector (6), a second station branch identification module (23) connected with the branch collector (6) and the user collector (1), a second storage module (24), a second RS485 communication module (25) connected with the station metering terminal (101) and a 400v concentration chip (26), wherein the 400v concentration chip (26) is connected with the second wireless communication module (21), the second carrier communication module (22), the second station branch identification module (23), the second storage module (24) and the second RS485 communication module (25).
6. The automatic user attribution relation recognition system according to claim 1, wherein: the 10kv positioner (3) comprises a third wireless communication module (31) connected with the 400v concentrator (2), a third carrier communication module (32) connected with the 10kv concentrator (4), a third storage module (33) and a 10kv positioning chip (34); the 10kv positioning chip (34) is connected with the third wireless communication module (31), the third carrier communication module (32) and the third storage module (33);
the 10kv concentrator (4) comprises a fourth 4G communication module (41) connected with the master station system (5), a fourth RS485 communication module (42) connected with the TMR billing and metering system (101), a fourth carrier communication module (43) connected with the 10kv locator (3), a fourth storage module (44) and a 10kv concentration chip (45), wherein the 10kv concentration chip (45) is connected with the fourth 4G communication module (41), the fourth RS485 communication module (42), the fourth carrier communication module (43) and the fourth storage module (44).
7. The system for automatically identifying a user's home relation according to claim 5, wherein: the branch collector (6) comprises an electric quantity metering module (61), a fifth carrier communication module (62) connected with the user collecting module (1) and the 400v concentrator (2), a fifth station branch identification module (63) connected with the user collecting module (1) and the 400v concentrator (2), a fifth storage module (64) and a branch chip (65); the branch chip (65) is connected with the electric quantity metering module (61), the fifth carrier communication module (62) and the fifth station branch identification module (63).
8. An identification method for the user attribution relation automatic identification system as claimed in any one of claims 1 to 7, comprising the steps of:
(A) After the user collector (1) is electrified, information of the corresponding user ammeter (10) is collected; meanwhile, the user collector (1) can send a station area attribution judging request to the upper-level 400v concentrator (2);
(B) After receiving the district attribution judging request, the 400v concentrator (2) judges the district attribution of the corresponding user collector (1); the original path of the judgment result of the attribution of the platform area is fed back to the corresponding user collector (1);
(C) The user collector (1) feeds back the judging result of the attribution of the platform area and the corresponding user ammeter information to the master station system (5);
(D) After the 400v concentrator (2) is powered on, the platform region information is set and sent to the 10kv locator (3); after receiving the information of the platform area, the 10kv locator (3) inquires the 10kv line number of the platform area and feeds the inquired 10kv line number back to the 400v concentrator (2);
(E) The 400v concentrator (2) feeds back the station information and the 10kv line number to which the station belongs to the master station system (5).
9. The identification method for a user attribution relation automatic identification system as set forth in claim 8, wherein: the steps (A), (B) and (C) also comprise the step of utilizing a branch collector to carry out branch judgment, and the specific process is as follows:
(A) After the user collector (1) is electrified, information of the corresponding user ammeter (10) is collected; meanwhile, the user collector (1) can send a platform area and branch attribution judging request to the upper-level branch collector (3); the branch collector (3) judges the branch attribution of the user collector (1); the branch collector (3) sends a station area attribution judging request to the 400v concentrator (2), and feeds back the branch attribution judging result to the corresponding user collector (1);
(B) After receiving the district attribution judging request, the 400v concentrator (2) judges the district attribution of the corresponding user collector (1); the original path of the judgment result of the attribution of the platform area is fed back to the corresponding user collector (1);
(C) And the user collector (1) feeds back the judging result of the station area and the branch attribution and the corresponding user ammeter information to the master station system (5).
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