A batch management device for power theft in distribution transformers based on edge computing

Abstract

The present invention discloses a batch management device for preventing electricity theft in a transformer area based on edge computing, belonging to the technical field of refined operation of power grids. It includes a housing, an electricity theft processing module and a connector assembly. The connector assembly includes an assembly shell, a transition cylinder and a tightening sleeve. The electricity theft processing module is connected to the connector assembly through a wire. Among them, the housing serves as the whole of the device, and the connector assembly for detection is installed on the side wall of the housing. The connector assembly is connected to the electricity meter through a wire clamp. At the same time, the connector assembly inputs the information of the electricity meter and processes it through the electricity theft processing module. Among them, the whole device adopts a connector assembly that can be hot-plugged, which adapts to the needs of various electricity meters. At the same time, it can communicate with multiple electricity meters or even the electricity meters of a transformer area in a carrier mode to read the electricity consumption information data, completing one-to-multipoint communication. The connectors of the connector assembly are diverse and can meet different usage requirements. At the same time, it is convenient to disassemble and install. The whole batch management device for preventing electricity theft adopts an adaptive technology, without too much manual intervention and management.

Description

Technical Field

[0001] The present invention relates to the technical field of refined operation of power grids, and particularly to a batch management device for preventing electricity theft in distribution transformers based on edge computing. Background Art

[0002] Currently, in the management of low-voltage distribution transformers, there are problems such as chaotic relationship between households and transformers, high maintenance costs, low efficiency of manual drawing, high abnormal line loss rate, serious electricity theft situation, high investigation cost, low data quality, inability to obtain power outage and restoration data, and passive customer service. Therefore, improving equipment and user information, clarifying the relationship between households and transformers, and investigating electricity theft are extremely important for reducing the line loss of distribution transformers. Currently, there are the following problems in the identification of electricity theft in household meters of distribution transformers:

[0003] First, the low-voltage lines in urban villages are intricate and the wiring is rather messy. Some lines pass through residential houses, making on-site investigation time-consuming and laborious, and the effect is not good. There are great difficulties in on-site investigation.

[0004] Second, residential users are relatively concentrated, with a large population density and relatively concentrated electric meters. Using traditional instruments to conduct door-to-door investigations will alert other electricity theft users, resulting in poor concealment.

[0005] Third, in remote areas with wetlands, mountains, and rural users, the distance is far, users are scattered, the road conditions are poor, and the round-trip cost and time for electricity inspection are high. Therefore, a batch management device for preventing electricity theft with good convenience, multiple interfaces, and wireless data transmission is needed. Summary of the Invention

[0006] The purpose of the present invention is to provide a batch management device for preventing electricity theft in distribution transformers based on edge computing, which has the advantages of using a pluggable joint component to adapt to the needs of various electric meters and being convenient for disassembly and assembly, so as to solve the problems mentioned in the above background art.

[0007] To achieve the above purpose, the present invention provides the following technical solutions:

[0008] A batch management device for preventing electricity theft in distribution transformers based on edge computing includes a housing, an electricity theft processing module, and a joint component. The electricity theft processing module is installed inside the housing. The electricity theft processing module is connected to the joint component through a wire. An installation frame is fixed on the side wall of the housing, and the joint component is movably connected to the installation frame.

[0009] Further, the joint component includes an assembly shell, a transition cylinder, and a tightening sleeve. The center of the side wall of the assembly shell is connected to the transition cylinder. The end face of the transition cylinder is in contact connection with the installation frame. A tightening sleeve movably connected to it is sleeved outside the transition cylinder, and the tightening sleeve is also movably connected to the installation frame.

[0010] Furthermore, an external thread is provided at one end of the outer wall of the tightening sleeve. The tightening sleeve is movably connected to the mounting frame through this external thread. A guiding ring groove is provided on the inner wall at the other end of the tightening sleeve, and the tightening sleeve is connected to the transition cylinder through the guiding ring groove.

[0011] Furthermore, interfaces, USB interfaces, quadrilateral interfaces, and network cable interfaces are provided on the side wall of the assembly shell.

[0012] Furthermore, a metal patch is installed on the end face of the transition cylinder. Symmetrically distributed guiding strip grooves are provided on the outer wall of the transition cylinder, and the transition cylinder is connected to the mounting frame through the guiding strip grooves.

[0013] Furthermore, the electricity theft processing module includes an embedded single-chip microcomputer, a wireless communication module, an indicator light, a lithium battery, a triode amplifier circuit, a timing module, and a carrier mode communication reading module. The lithium battery is connected to the embedded single-chip microcomputer through a wire. The embedded single-chip microcomputer is electrically connected to the carrier mode communication reading module. The carrier mode communication reading module is connected to the mounting frame and the joint assembly through welded wires. The output end of the embedded single-chip microcomputer is connected to the indicator light. The input end of the embedded single-chip microcomputer is connected to the triode amplifier circuit. The triode amplifier circuit is electrically connected to the timing module. The output end of the triode amplifier circuit is connected to the wireless communication module.

[0014] Furthermore, the wireless communication module can be a WIFI module or a GPRS module.

[0015] Furthermore, there are three indicator lights in total. The three indicator lights have the same size, and the colors of the three indicator lights are green, yellow, and red respectively.

[0016] Furthermore, a proportional algorithm and a data import / export model are input into the embedded single-chip microcomputer. The data import / export model includes shunt, undervoltage, pre-meter zero interruption, reverse, meter modification, bypass, phase shift, etc.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows: The power theft batch management device based on edge computing proposed by the present invention has a power theft processing module connected to a wire connection joint assembly. The outer shell serves as the overall body of the entire device, and the joint assembly for detection is installed on the side wall of the outer shell. The joint assembly is connected to the electric meter through a wire clamp. At the same time, the joint assembly inputs the information of the electric meter and processes it through the power theft processing module. The entire device uses a pluggable joint assembly that can be charged, which can adapt to the needs of various electric meters. At the same time, it can communicate with multiple electric meters or even an electric meter in a transformer area in a carrier mode to read power consumption information data, completing one-to-many communication. The joints of the joint assembly are diverse and can meet different usage requirements. At the same time, it is convenient to disassemble and install. The entire power theft batch management device uses adaptive technology and requires little manual intervention and management. After the power theft batch management device is used, it can improve the intelligent management level of the transformer area of the enterprise, promote the refined service of the enterprise to customers, reduce the marketing service cost of the enterprise itself, and greatly assist the enterprise in increasing power supply, expanding sales, reducing losses, and increasing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic cross-sectional view of the overall structure of the present invention;

[0019] Figure 2 is a schematic structural view of the joint assembly of the present invention;

[0020] Figure 3 is a schematic cross-sectional view of the joint assembly structure of the present invention;

[0021] Figure 4 is a schematic structural view of the transition cylinder of the present invention;

[0022] Figure 5 is a schematic structural view of the tightening sleeve of the present invention;

[0023] Figure 6 is a flowchart of the working process of the power theft processing module of the present invention;

[0024] Figure 7 is a schematic topology diagram of the power theft processing module of the present invention;

[0025] Figure 8 is a schematic cross-sectional view of the overall structure of the present invention.

[0026] In the figure: 1. Outer shell; 2. Power theft processing module; 21. Embedded single-chip microcomputer; 22. Wireless communication module; 23. Indicator light; 24. Lithium battery; 25. Triode amplifier circuit; 26. Timing module; 27. Carrier mode communication reading module; 3. Joint assembly; 31. Assembly shell; 32. Transition cylinder; 321. Guide strip groove; 33. Tightening sleeve; 331. Guide ring groove; 4. Installation frame. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0028] Please refer to the attached Figure 1-8 , a batch management device for electricity theft in a transformer area based on edge computing, including a housing 1, an electricity theft processing module 2 and a joint component 3. The electricity theft processing module 2 is installed inside the housing 1. The electricity theft processing module 2 is connected to the joint component 3 through a wire. An installation frame 4 is fixed on the side wall of the housing 1. The joint component 3 is movably connected to the installation frame 4. Among them, the housing 1 serves as the whole of the device. The joint component 3 for detection is installed on the side wall of the housing 1. The joint component 3 is connected to the electricity meter through a wire clamp. At the same time, the joint component 3 inputs the information of the electricity meter and processes it through the electricity theft processing module 2. Among them, the whole device adopts a pluggable joint component 3, which can adapt to the needs of various electricity meters. At the same time, it can communicate with multiple electricity meters or even an electricity meter in a transformer area in a carrier mode to read electricity consumption information data and complete one-to-many communication. It can also use a 485 wire clamp to batch read electricity meters with a local 485 wiring method to complete one-to-many communication. It can also use a 232 or 485 wire clamp to connect to a concentrator and indirectly read the data of area electricity meters through the concentrator to complete one-to-many communication. Finally, the data is remotely transmitted through WIFI or GPRS. The whole batch management device for electricity theft adopts an adaptive technology and requires little manual intervention and management.

[0029] Please refer to the attached Figure 2-5, the connector assembly 3 includes an assembly shell 31, a transition cylinder 32 and a tightening sleeve 33. The center of the side wall of the assembly shell 31 is connected to the transition cylinder 32. The end face of the transition cylinder 32 is in contact connection with the mounting frame 4. The outside of the transition cylinder 32 is sleeved with a tightening sleeve 33 which is movably connected to it, and the tightening sleeve 33 is also movably connected to the mounting frame 4. An external thread is provided at one end of the outer wall of the tightening sleeve 33, and the tightening sleeve 33 is movably connected to the mounting frame 4 through this external thread. The entire connector assembly 3 can be adaptively assembled according to requirements to meet different usage needs. The disassembly and assembly of the connector assembly 3 only require rotation. A guiding ring groove 331 is provided on the inner wall at the other end of the tightening sleeve 33. The tightening sleeve 33 is connected to the transition cylinder 32 through the guiding ring groove 331. The guiding ring groove 331 is used for guiding and limiting the wire. The setting of the guiding ring groove 331 can ensure that the tightening sleeve 33 always rotates smoothly outside the transition cylinder 32. 485 interfaces, 232 interfaces, USB interfaces, quadrilateral interfaces and network cable interfaces are provided on the side wall of the assembly shell 31, that is, the interfaces provided on the side wall of the assembly shell 31 are diverse so as to meet different connection needs. A metal patch is installed on the end face of the transition cylinder 32. Symmetrically distributed guiding strip grooves 321 are provided on the outer wall of the transition cylinder 32. The transition cylinder 32 is connected to the mounting frame 4 through the guiding strip grooves 321. The guiding strip grooves 321 are used for guiding and limiting. Through the joint setting of the guiding strip grooves 321 and the guiding ring groove 331, the entire connector assembly 3 can be disassembled and assembled in parallel when the tightening sleeve 33 is rotated. While the connector assembly 3 moves, the transition cylinder 32 moves smoothly. The smoothly moving transition cylinder 32 can connect the mounting frame 4 and the electricity theft processing module 2.

[0030] Please refer to the appendix Figure 6-7, the electricity theft handling module 2 includes an embedded single-chip microcomputer 21, a wireless communication module 22, an indicator light 23, a lithium battery 24, a triode amplification circuit 25, a timing module 26, and a carrier mode communication reading module 27. The lithium battery 24 is connected to the embedded single-chip microcomputer 21 through a wire. The embedded single-chip microcomputer 21 is electrically connected to the carrier mode communication reading module 27. The carrier mode communication reading module 27 is connected to the installation frame 4 and the joint assembly 3 through a welded wire. The output end of the embedded single-chip microcomputer 21 is connected to the indicator light 23. The input end of the embedded single-chip microcomputer 21 is connected to the triode amplification circuit 25. The triode amplification circuit 25 is electrically connected to the timing module 26. The output end of the triode amplification circuit 25 is connected to the wireless communication module 22. Among them, the lithium battery 24 is used to supply power to the embedded single-chip microcomputer 21. Of course, the lithium battery 24 can be designed with a charging interface. After the embedded single-chip microcomputer 21 is electrically connected to the carrier mode communication reading module 27, the electricity meter current information obtained by the joint assembly 3 can be transmitted to the embedded single-chip microcomputer 21 through the carrier mode communication reading module 27. The embedded single-chip microcomputer 21 analyzes the data and makes a lighting indication at the same time. The wireless communication module 22 is used to transmit wireless signals, and the timing module 26 is used for timing; the wireless communication module 22 can be a WIFI module or a GPRS module. There are three indicator lights 23 in total. The three indicator lights 23 have the same size. The colors of the three indicator lights 23 are green, yellow, and red respectively, and different lights are lit under different circumstances. A proportional algorithm and a data import / export model are input into the embedded single-chip microcomputer 21. The data import / export model includes shunt, undervoltage, zero break before the meter, reverse, meter modification, bypass, phase shift, etc. That is, the electricity theft handling module 2 remotely reads the electricity consumption information data of the batch electricity theft detection device and remotely controls the electricity theft detection time period of the batch electricity theft detection device in WIFI or GPRS mode. The electricity theft handling module 2 uses a margin proportional algorithm and a data import / export model to complete the identification of common electricity theft types, undervoltage method, undercurrent method, meter modification method, bypass before the meter, zero-fire series connection, etc., as well as the batch standardized reading of interface data and the automatic generation of report records, etc.

[0031] This edge-computing-based device for batch management of electricity theft in a transformer area includes a housing 1, an electricity theft processing module 2, and a connector assembly 3. The electricity theft processing module 2 is connected to the connector assembly 3 through wires. The housing 1 serves as the overall unit of the device. The connector assembly 3 for detection is installed on the side wall of the housing 1. The connector assembly 3 is connected to the electricity meter through a wire clamp. At the same time, the connector assembly 3 inputs the information of the electricity meter and processes it through the electricity theft processing module 2. The entire device uses a pluggable connector assembly 3 that can be energized, meeting the requirements of various electricity meters. It can also communicate with multiple electricity meters or even the electricity meters in a transformer area in a carrier mode to read electricity consumption information data, achieving one-to-many communication. It can also use a 485 wire clamp to batch-read the electricity meters with a local 485 wiring method to achieve one-to-many communication. It can also use a 232 or 485 wire clamp to connect to a concentrator and indirectly read the data of the area electricity meters through the concentrator to achieve one-to-many communication. Finally, the data is remotely transmitted through WIFI or GPRS. The entire device for batch management of electricity theft uses adaptive technology and requires little manual intervention and management.

[0032] The connector assembly 3 includes an assembly shell 31, a transition cylinder 32, and a tightening sleeve 33. A tightening sleeve 33 that is movably connected to it is sleeved outside the transition cylinder 32. An external thread is provided at one end of the outer wall of the tightening sleeve 33, and the tightening sleeve 33 is movably connected to the installation frame 4 through this external thread. The entire connector assembly 3 can be adaptively assembled according to requirements to meet different usage needs. The disassembly and assembly of the connector assembly 3 only require rotation. The tightening sleeve 33 is connected to the transition cylinder 32 through a guide ring groove 331, and the guide ring groove 331 is used for wire limiting. The interfaces provided on the side wall of the assembly shell 31 are diverse, which can meet different connection requirements. Symmetrically distributed guide strip grooves 321 are provided on the outer wall of the transition cylinder 32, and the transition cylinder 32 is connected to the installation frame 4 through the guide strip grooves 321. Through the joint setting of the guide strip grooves 321 and the guide ring groove 331, when the tightening sleeve 33 is rotated, the entire connector assembly 3 can be disassembled and assembled in parallel. While the connector assembly 3 is moving, the transition cylinder 32 moves smoothly. The smoothly moving transition cylinder 32 can connect the installation frame 4 and the electricity theft processing module 2.

[0033] Among them, the electricity theft processing module 2 includes an embedded single-chip microcomputer 21, a wireless communication module 22, an indicator light 23, a lithium battery 24, a triode amplification circuit 25, a timing module 26, and a carrier mode communication reading module 27. Among them, the lithium battery 24 is used to supply power to the embedded single-chip microcomputer 21. Of course, the lithium battery 24 can be designed with a charging interface. After the embedded single-chip microcomputer 21 is electrically connected to the carrier mode communication reading module 27, the meter current information obtained by the joint assembly 3 can be transmitted to the embedded single-chip microcomputer 21 through the carrier mode communication reading module 27. The embedded single-chip microcomputer 21 analyzes the data and makes a lighting indication at the same time. The wireless communication module 22 is used to transmit wireless signals, and the timing module 26 is used for timing; the wireless communication module 22 can be a WIFI module or a GPRS module. There are three indicator lights 23 in total. The sizes of the three indicator lights 23 are the same. The colors of the three indicator lights 23 are green, yellow, and red respectively, and different lights are lit under different circumstances. A proportional algorithm and a data import / export model are input into the embedded single-chip microcomputer 21. The data import / export model includes shunt, undervoltage, zero break before the meter, reverse, meter modification, bypass, phase shift, etc.; specifically, when in use, the electricity theft processing module 2 can be wirelessly connected through the mobile phone App first, enter the rapid census mode, the remote software platform is online 365*24 hours for monitoring, the refined census mode, multiple substations are synchronously monitored online, multi-threaded data is asynchronously transmitted, and the electricity theft suspicion is divided into multiple levels of early warning. Among them, when the meter is connected using a 232 or 485 wire clamp, when the green indicator light 23 is on, it proves that there is no electricity theft situation. When the yellow indicator light 23 is on, it proves that there is a relatively minor electricity theft situation. When the red indicator light 23 is on, it proves that there is a relatively serious electricity theft situation. When the red indicator light 23 flashes, it proves that there is not only a relatively serious electricity theft situation but also a clock error in the meter timing; among them, the electricity theft processing module 2 can analyze and judge 287 kinds of incorrect wiring for three-phase four-wire meters with current transformers, can analyze the incorrect wiring of single-phase meters, and give early warnings. The electricity theft processing module 2 analyzes the over-capacity electricity consumption situation of the meter through information such as current, active power, and electricity consumption, and gives early warnings, judges the clock error of the meter, and the meter measurement is inaccurate, and can judge whether it is normal according to voltage, current, and active power; at the same time, the electricity theft processing module 2 remotely reads the electricity consumption information data of the batch electricity theft detection devices and remotely controls the electricity theft detection time period of the batch electricity theft detection devices in the WIFI or GPRS mode. The electricity theft processing module 2 uses the margin ratio algorithm and the data import / export model to complete the identification of common electricity theft types, undervoltage method, undercurrent method, meter modification method, bypass before the meter, zero-fire series connection, etc., as well as the batch standardized reading of interface data and the automatic generation of report records, etc.

[0034] Among them, the device for batch management of power theft in transformer substations adopts a live connectable component 3, which can meet the requirements of various electricity meters. It communicates with multiple electricity meters or even the electricity meters in a transformer substation in a carrier mode to read the electricity consumption information data, completing one-to-many communication. It can also use a 485 clamp to batch read the electricity meters with a local 485 wiring method to complete one-to-many communication. It can also use a 232 or 485 clamp to connect to a concentrator and indirectly read the data of the area electricity meters through the concentrator to complete one-to-many communication, and remotely transmit the data through WIFI or GPRS. The interface adopts adaptive technology, without too much manual intervention and management. The system for batch management of power theft in transformer substations can accurately judge typical power theft methods such as the identification of common power theft types (shunt, undervoltage, zero break before the meter, reverse, meter modification, bypass, phase shift), etc., and give a statistical report on the power theft suspicion situation, with a three-level early warning (green, yellow, red) for the severity level of power theft suspicion and a key reminder function.

[0035] To sum up, for the device for batch management of power theft in transformer substations based on edge computing proposed by the present invention, the power theft processing module 2 is connected to the connectable component 3 through a wire. Among them, the outer shell 1 serves as the whole of the device, and the connectable component 3 for detection is installed on the side wall of the outer shell 1. The connectable component 3 is connected to the electricity meter through a clamp. At the same time, the connectable component 3 inputs the information of the electricity meter and processes it through the power theft processing module 2. The whole device adopts a connectable component 3 that can be plugged and unplugged while energized, which can meet the requirements of various electricity meters. At the same time, it can communicate with multiple electricity meters or even the electricity meters in a transformer substation in a carrier mode to read the electricity consumption information data, completing one-to-many communication. The connectable component 3 has various connectors to meet different usage requirements, and is convenient to disassemble and assemble. The whole device for batch management of power theft adopts adaptive technology, without too much manual intervention and management. After the device for batch management of power theft is used, it can improve the intelligent management level of the transformer substation area of the enterprise, promote the refined service of the enterprise to customers, reduce the marketing service cost of the enterprise itself, and greatly assist the enterprise in carrying out the work of increasing power supply, expanding sales, reducing losses and increasing efficiency.

[0036] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprises", "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article or device.

[0037] The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, making equivalent replacements or changes, should be covered within the protection scope of the present invention.

Claims

1. A batch management device for power theft in a transformer substation area based on edge computing, characterized in that, It includes a housing (1), an electricity theft processing module (2) and a connector assembly (3), and is characterized in that: the electricity theft processing module (2) is installed inside the housing (1), the electricity theft processing module (2) is connected to the connector assembly (3) through a wire, an installation frame (4) is fixed on the side wall of the housing (1), and the connector assembly (3) is movably connected to the installation frame (4); the connector assembly (3) includes an assembly shell (31), a transition cylinder (32) and a tightening sleeve (33), the center of the side wall of the assembly shell (31) is connected to the transition cylinder (32), the end face of the transition cylinder (32) is in contact connection with the installation frame (4), a tightening sleeve (33) movably connected thereto is sleeved outside the transition cylinder (32), the tightening sleeve (33) is also movably connected to the installation frame (4), an external thread is provided at one end of the outer wall of the tightening sleeve (33), and the tightening sleeve (33) is movably connected to the installation frame (4) through this external thread. A guiding ring groove (331) is provided on the inner wall at the other end of the tightening sleeve (33), and the tightening sleeve (33) is connected to the transition cylinder (32) through the guiding ring groove (331). A metal patch is installed on the end face of the transition cylinder (32), symmetrically distributed guiding strip grooves (321) are provided on the outer wall of the transition cylinder (32), and the transition cylinder (32) is connected to the installation frame (4) through the guiding strip grooves (321). 485 interfaces, 232 interfaces, USB interfaces, quadrilateral interfaces and network cable interfaces are provided on the side wall of the assembly shell (31).

2. The batch management device for power theft in a transformer substation area based on edge computing according to claim 1, wherein The electricity theft processing module (2) includes an embedded single-chip microcomputer (21), a wireless communication module (22), an indicator light (23), a lithium battery (24), a triode amplification circuit (25), a timing module (26) and a carrier mode communication reading module (27). The lithium battery (24) is connected to the embedded single-chip microcomputer (21) through a wire. The embedded single-chip microcomputer (21) is electrically connected to the carrier mode communication reading module (27). The carrier mode communication reading module (27) is connected to the installation frame (4) and the connector assembly (3) through a welded wire. The output end of the embedded single-chip microcomputer (21) is connected to the indicator light (23). The input end of the embedded single-chip microcomputer (21) is connected to the triode amplification circuit (25). The triode amplification circuit (25) is electrically connected to the timing module (26). The output end of the triode amplification circuit (25) is connected to the wireless communication module (22).

3. The batch power theft governance device for distribution transformer areas based on edge computing according to claim 2, characterized in that, The wireless communication module (22) is a WIFI module or a GPRS module.

4. The batch power theft governance device for a transformer substation area based on edge computing according to claim 2, wherein, There are three indicator lights (23) in total. The three indicator lights (23) have the same size, and the colors of the three indicator lights (23) are green, yellow and red respectively.

5. The batch power theft governance device for distribution transformers based on edge computing according to claim 2, characterized in that, A proportional algorithm and a data import / export model are input into the embedded single-chip microcomputer (21). The data import / export model includes shunt, undervoltage, pre-meter zero break, reverse, meter modification, bypass and phase shift.

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