CN117169656A - Quick positioning device for power distribution network ground fault - Google Patents
Quick positioning device for power distribution network ground fault Download PDFInfo
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- CN117169656A CN117169656A CN202311377270.XA CN202311377270A CN117169656A CN 117169656 A CN117169656 A CN 117169656A CN 202311377270 A CN202311377270 A CN 202311377270A CN 117169656 A CN117169656 A CN 117169656A
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- 238000007781 pre-processing Methods 0.000 claims description 3
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- Locating Faults (AREA)
Abstract
The invention discloses a rapid positioning device for a power distribution network ground fault, which relates to the technical field of power distribution networks and comprises a shell, wherein the shell is internally integrated with: electromagnetic detection means, computer vision means, fault handling advice means and fault logger; the electromagnetic detection device is electrically connected with the computer vision device, the electromagnetic detection device transmits detected data to the computer vision device, the computer vision device is electrically connected with the fault treatment suggestion module, and the fault treatment suggestion module is electrically connected with the fault recorder through a data line; the upper side of casing has the gyro wheel through the support mounting, has offered the round race on the gyro wheel, and steel wire guide has been arranged to the top of casing, and the gyro wheel is installed on steel wire guide, and actuating mechanism is installed to one side of gyro wheel, and gyro wheel and actuating mechanism can make the device remove on steel wire guide to cover whole distribution network, improved the coverage of system.
Description
Technical Field
The invention relates to the technical field of power distribution networks, in particular to a rapid positioning device for a ground fault of a power distribution network.
Background
Along with the acceleration of the urban process, the scale and complexity of the power distribution network are continuously enlarged, the types and the number of faults are continuously increased, and the faults of the power distribution network bring serious threat to the safe and stable operation of the power distribution network.
The invention discloses a rapid positioning device for faults of a power distribution network, for example, the rapid positioning device comprises a control box, wherein the control box is fixedly arranged on a base, an audible and visual alarm is arranged at the top of the control box, a display screen is arranged on the control box, a control system is arranged in the control box, the control system comprises a DSP processor, a front-end signal amplifying module, a fault positioning module, a data storage module, a display module, an alarm module and a wireless receiving and transmitting module, the DSP processor is respectively connected with the fault positioning module, the data storage module, the display module and the alarm module, the DSP processor is connected with a power grid monitoring center through the wireless receiving and transmitting module, and the rapid positioning device further comprises a plurality of feeder terminal devices, and the feeder terminal devices are respectively connected with the DSP processor through the front-end signal amplifying module. The existing power distribution network fault diagnosis method mainly depends on manual inspection and operation, is time-consuming and labor-consuming and has low accuracy, and rapid and accurate fault positioning and processing of the power distribution network are severely restricted.
Disclosure of Invention
The invention aims to solve the problems in the prior art and aims to provide a rapid positioning device for the ground fault of a power distribution network, which is used for solving the problems in the prior art.
In order to solve the problems, the invention adopts the following technical scheme:
quick positioner of distribution network ground fault, including the casing, integrated being provided with in the casing:
the electromagnetic detection device is used for detecting electromagnetic wave signals in the power distribution network so as to identify fault areas and judge fault types;
the computer vision device is used for importing a topographic map and positioning a fault position through a computer vision technology;
the fault handling suggestion module is used for providing fault diagnosis, isolation and repair suggestions according to the detected fault type and position;
a fault recorder for recording the time, location and type of fault occurrence for subsequent analysis and modification of the system;
the electromagnetic detection device is electrically connected with the computer vision device, the electromagnetic detection device transmits detected data to the computer vision device, the computer vision device is electrically connected with the fault treatment suggestion module, and the fault treatment suggestion module is electrically connected with the fault recorder through a data line;
the upper side of casing has the gyro wheel through the support installation, offered the round race on the gyro wheel, steel wire guide has been arranged to the top of casing, the gyro wheel is installed on steel wire guide, actuating mechanism is installed to one side of gyro wheel.
As a preferred embodiment of the present invention, the electromagnetic detecting apparatus further includes:
an electromagnetic wave detecting instrument for transmitting and receiving electromagnetic wave signals;
and a signal analyzer for analyzing the detected electromagnetic wave signal to determine whether an abnormal signal occurs.
As a preferred aspect of the present invention, the computer vision device further includes:
the topographic map processing module is used for preparing a topographic map and preprocessing the topographic map;
and the image processor is used for performing computer vision technology to locate the fault position.
As a preferred aspect of the present invention, the fault handling suggestion module further includes:
the fault diagnosis module is used for judging the fault type according to the detected fault type and the position;
the fault isolation module is used for carrying out fault isolation according to the fault type;
the fault rush-repair module is used for carrying out fault rush-repair on equipment subjected to fault isolation.
As a preferred aspect of the present invention, the fault handling suggestion module further includes a communication interface for transmitting fault information and suggestions to maintenance personnel;
the communication interface includes any one or more of an Ethernet interface, a serial interface, a communication protocol, a 4G/5G wireless module, a Wi-Fi interface, a Bluetooth interface, or a wireless Local Area Network (LAN) interface.
As a preferred scheme of the invention, the fault recorder comprises a data acquisition module, a storage device and a control unit, wherein the data acquisition module is connected with the control unit through a data line or a wireless connection, the acquired fault data is transmitted to the control unit, the control unit is coupled with the storage device so as to store the data in the storage device, an interface for accessing and managing the data is provided at the same time, and the communication interface is connected to the control unit and is used for transmitting the fault information to an external system;
the data acquisition module is used for acquiring fault related data, including fault occurrence time, geographic position coordinates and fault type information, and comprises a sensor, a GPS receiver and a fault detection device, and is used for collecting data in real time or periodically;
the storage device is used for storing the acquired data for subsequent analysis and inquiry and comprises one of an internal memory, an SD card, a hard disk drive and a cloud storage;
the control unit is used to manage the data acquisition and storage processes and to provide a user interface to configure settings of the recorder, and typically comprises a microprocessor, control logic and a user interface.
As a preferable scheme of the invention, the driving mechanism comprises a motor arranged on the bracket, an output shaft of the motor is in transmission connection with the roller, a waterproof shell is arranged above the motor, and a photovoltaic mechanism is arranged on the waterproof shell.
Compared with the prior art, the invention has the advantages that:
the device combines electromagnetic detection and computer vision technologies, can rapidly and accurately position the ground fault, and helps to reduce the fault removal time. The fault handling suggestion module provides detailed fault diagnosis and suggestions that help the operation and maintenance personnel to more effectively solve the problem. The fault logger may help a maintenance team track the fault history, improving system performance and preventing future faults. The rollers and the driving mechanism can enable the device to move on the steel wire guide rail so as to cover the whole power distribution network, and the coverage range of the system is improved.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a second embodiment of the present invention;
FIG. 3 is a schematic view of the structure of the housing of the present invention;
fig. 4 is a schematic diagram of the workflow of the present invention.
The reference numerals in the figures illustrate:
1. an electromagnetic detection device; 2. a computer vision device; 3. a fault handling suggestion module; 4. a fault recorder; 5. a housing; 6. a roller; 7. wheel grooves; 8. a wire guide rail; 9. a driving mechanism; 91. a motor; 92. a waterproof housing; 93. a photovoltaic mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.
Examples:
referring to fig. 1-4, a rapid positioning device for a ground fault of a power distribution network includes a housing 5, and an integrated arrangement is provided in the housing 5:
the electromagnetic detection apparatus 1 is configured to detect electromagnetic wave signals in the power distribution network, where the electromagnetic wave signals typically have different characteristics when a fault occurs, so as to identify a fault area and determine a fault type, such as a ground fault or other types of problems;
the computer vision device 2 is used for importing a topographic map and positioning a fault position through a computer vision technology, and is realized through an image processing and Geographic Information System (GIS) technology, and the computer vision device 2 can correlate the fault position with geographic information so as to help accurately position the fault;
a fault handling advice module 3, upon detection of the fault type and location, the fault handling advice module 3 will provide fault diagnosis, isolation and repair advice, providing an optimal countermeasure against the data stored in the database or preprogrammed rules;
a fault recorder 4 for recording the time, location and type of fault occurrence for subsequent analysis and modification of the system;
the electromagnetic detection device 1 is electrically connected with the computer vision device 2, the electromagnetic detection device 1 transmits detected data to the computer vision device 2, the computer vision device 2 is electrically connected with the fault treatment suggestion module 3, and the fault treatment suggestion module 3 is electrically connected with the fault recorder 4 through a data line;
the upper side of casing 5 is through support mounting has gyro wheel 6, has offered round race 7 on the gyro wheel 6, and wire guide 8 has been arranged to the top of casing 5, and wire guide 8 covers in the middle of the distribution network, and gyro wheel 6 is installed on wire guide 8, and actuating mechanism 9 is installed to one side of gyro wheel 6. The rollers 6 are mounted on the housing 5 by brackets and can roll on wire guides 8 to move the device to different positions of the substation, and a drive mechanism 9 is used to control the movement of the rollers 6 to ensure that the device can cover the entire distribution network area.
The device combines electromagnetic detection and computer vision technologies, can rapidly and accurately locate the ground fault, and helps to reduce the fault removal time. The fault handling advice module 3 provides detailed fault diagnosis and advice that helps the service personnel to more effectively solve the problem. Fault logger 4 may help a maintenance team track the history of faults, improving system performance and preventing future faults. The rollers and drive mechanism enable the device to move on the wire guide rail 8 to cover the whole distribution network, and the coverage of the system is improved.
The electromagnetic detection apparatus 1 further includes:
an electromagnetic wave detecting instrument for transmitting and receiving electromagnetic wave signals; electromagnetic wave detection apparatuses include devices that transmit and receive electromagnetic wave signals.
When in specific work
Electromagnetic wave detection instruments emit electromagnetic wave signals that propagate into the surrounding environment at a particular frequency and intensity. These signals may be radio waves, microwaves, or even signals in the visible light band, depending on the application requirements.
The probe also includes a receiving antenna for capturing electromagnetic wave signals reflected back from the surrounding environment. These reflected signals may be affected by subsurface structures, distribution network elements, or other objects, thereby producing waveforms of various characteristics and magnitudes.
And a signal analyzer for analyzing the detected electromagnetic wave signal to determine whether an abnormal signal occurs.
The working principle comprises the following steps:
a. the signal analyzer collects the data of the received electromagnetic wave signals into a computer or a processor for further analysis;
b. the acquired signal data is subjected to signal processing steps including denoising, filtering, amplifying and the like so as to accurately capture the characteristics of the signal;
c. the signal analyzer compares the collected signals with reference signals in normal working state to detect whether abnormality occurs. The anomaly signal may exhibit different spectral characteristics, amplitude anomalies, or changes in waveform shape. These abnormal signals may be due to ground faults or other problems;
d. upon detection of an abnormal signal, the signal analyzer may assist in determining the approximate location of the fault. By analyzing information such as signal propagation time, amplitude difference or phase change, the position of the fault can be estimated.
The computer vision device 2 further includes:
the topographic map processing module is used for preparing a topographic map and preprocessing the topographic map;
the topographic map processing module may preprocess the obtained topographic map data. Including noise removal, conversion of geographic coordinates, normalization of map resolution, with the aim of preparing the data for subsequent computer vision analysis.
And the image processor is used for performing computer vision technology to locate the fault position. Computer vision includes the steps of:
extracting key features such as lines, edges, colors and textures from the topographic map;
detecting objects or structures in the topographic map that may be associated with faults, such as power poles, substations, wires, etc.;
tracking the detected object to determine a change in its position at different points in time;
by analyzing the detected object and its location information, the computer vision system can estimate the approximate extent of the fault location.
The fault handling advice module 3 further comprises:
and a fault diagnosis module:
judging the fault type according to the detected fault type and the position: the module comprises the following steps:
a. data input: data from the electromagnetic detection device and the image processor is received, including fault type and location information.
b. Data analysis: the input data is analyzed and the fault type and location information are compared to determine the fault type.
c. Fault diagnosis: based on the results of the analysis, the module may identify a specific type of fault, such as a ground fault, a short circuit, an overload.
Fault isolation module:
according to the fault type, fault isolation is carried out: the fault isolation module comprises the following steps:
a. fault type identification: fault type information communicated from the fault diagnosis module is received.
b. And (3) establishing an isolation strategy: based on the defined isolation policy and knowledge base, the module decides how the fault should be isolated.
c. Isolation performs: the module may instruct the relevant devices or systems to perform isolation operations to isolate the faulty device from the grid to ensure safety and continuity of power supply.
And the fault rush-repair module is used for:
aiming at the equipment subjected to fault isolation, carrying out fault rush repair: the fault rush-repair module comprises the following steps:
a. post-isolation evaluation: the isolated devices are inspected to determine the extent of damage and the effort required for repair.
b. And (3) rush repair strategy establishment: and (3) formulating a repair strategy according to the equipment state and the repair flow, wherein the repair strategy comprises parts replacement, repair, calibration and the like.
c. And (3) rush repair operation: the module directs maintenance personnel to perform the required maintenance steps to restore power supply as soon as possible.
The fault handling advice module 3 further comprises a communication interface for sending fault information and advice to maintenance personnel;
the communication interface includes any one or more of an Ethernet interface, a serial interface, a communication protocol, a 4G/5G wireless module, a Wi-Fi interface, a Bluetooth interface, or a wireless local area network LAN interface.
The fault recorder 4 comprises a data acquisition module, a storage device and a control unit, wherein the data acquisition module is connected with the control unit through a data line or a wireless connection, the acquired fault data is transmitted to the control unit, the control unit is connected with the storage device in a coupling way so as to store the data in the storage device, an interface for accessing and managing the data is provided, and the communication interface is connected to the control unit and is used for transmitting fault information to an external system;
the data acquisition module is used for acquiring fault related data, including fault occurrence time, geographic position coordinates and fault type information, and comprises a sensor, a GPS receiver and a fault detection device, and is used for collecting data in real time or periodically;
the storage device is used for storing the acquired data for subsequent analysis and inquiry and comprises one of an internal memory, an SD card, a hard disk drive and a cloud storage;
the control unit is used to manage the data acquisition and storage processes and to provide a user interface to configure settings of the recorder, and typically comprises a microprocessor, control logic and a user interface.
The driving mechanism 9 comprises a motor 91 arranged on the bracket, an output shaft of the motor 91 is in transmission connection with the roller 6, a waterproof shell 92 is arranged above the motor 91, and a photovoltaic mechanism 93 is arranged on the waterproof shell 92.
Solar energy is captured by a solar panel on the photovoltaic mechanism 93 and converted into electrical energy. This generated electric energy can be used to power the motor 91, thereby reducing reliance on conventional power sources. This is particularly useful where the power source is remote or not readily available.
The motor 91 is in driving connection with the roller 6 via its output shaft, which can control the rotation of the roller. Control of the motor 91 may be achieved by an external control system, adjusting the speed and direction of the motor 91 as required to move the device on the wire guide rail 8.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution and the modified concept thereof, within the scope of the present invention.
Claims (7)
1. Quick positioner of distribution network ground fault, including casing (5), its characterized in that, integrated being provided with in casing (5):
the electromagnetic detection device (1) is used for detecting electromagnetic wave signals in the power distribution network so as to identify fault areas and judge fault types;
a computer vision device (2) for importing a topography map and locating a fault location by a computer vision technique;
a fault handling suggestion module (3) for providing fault diagnosis, isolation and repair suggestions according to the detected fault type and position;
a fault recorder (4) for recording the time, location and type of fault occurrence for subsequent analysis and modification of the system;
the electromagnetic detection device (1) is electrically connected with the computer vision device (2), the electromagnetic detection device (1) transmits detected data to the computer vision device (2), the computer vision device (2) is electrically connected with the fault treatment suggestion module (3), and the fault treatment suggestion module (3) is electrically connected with the fault recorder (4) through a data line;
the upper side of casing (5) is through support mounting has gyro wheel (6), round wheel groove (7) have been seted up on gyro wheel (6), steel wire guide rail (8) have been arranged to the top of casing (5), gyro wheel (6) are installed on steel wire guide rail (8), actuating mechanism (9) are installed to one side of gyro wheel (6).
2. The rapid positioning device for ground faults of a power distribution network according to claim 1, wherein: the electromagnetic detection apparatus (1) further includes:
an electromagnetic wave detecting instrument for transmitting and receiving electromagnetic wave signals;
and a signal analyzer for analyzing the detected electromagnetic wave signal to determine whether an abnormal signal occurs.
3. The rapid positioning device for ground faults of a power distribution network according to claim 1, wherein: the computer vision device (2) further comprises:
the topographic map processing module is used for preparing a topographic map and preprocessing the topographic map;
and the image processor is used for performing computer vision technology to locate the fault position.
4. The rapid positioning device for ground faults of a power distribution network according to claim 1, wherein: the fault handling advice module (3) further comprises:
the fault diagnosis module is used for judging the fault type according to the detected fault type and the position;
the fault isolation module is used for carrying out fault isolation according to the fault type;
the fault rush-repair module is used for carrying out fault rush-repair on equipment subjected to fault isolation.
5. The rapid positioning device for ground faults of a power distribution network according to claim 4, wherein: the fault handling advice module (3) further comprises a communication interface for sending fault information and advice to maintenance personnel;
the communication interface includes any one or more of an Ethernet interface, a serial interface, a communication protocol, a 4G/5G wireless module, a Wi-Fi interface, a Bluetooth interface, or a wireless Local Area Network (LAN) interface.
6. The rapid positioning device for ground faults of a power distribution network according to claim 1, wherein: the fault recorder (4) comprises a data acquisition module, a storage device and a control unit, wherein the data acquisition module is connected with the control unit through a data line or a wireless connection, the acquired fault data is transmitted to the control unit, the control unit is connected with the storage device in a coupling way so as to store the data in the storage device, an interface for accessing and managing the data is provided, and the communication interface is connected to the control unit and is used for transmitting fault information to an external system;
the data acquisition module is used for acquiring fault related data, including fault occurrence time, geographic position coordinates and fault type information, and comprises a sensor, a GPS receiver and a fault detection device, and is used for collecting data in real time or periodically;
the storage device is used for storing the acquired data for subsequent analysis and inquiry and comprises one of an internal memory, an SD card, a hard disk drive and a cloud storage;
the control unit is used to manage the data acquisition and storage processes and to provide a user interface to configure settings of the recorder, and typically comprises a microprocessor, control logic and a user interface.
7. The rapid positioning device for ground faults of a power distribution network according to claim 1, wherein: the driving mechanism (9) comprises a motor (91) arranged on the support, an output shaft of the motor (91) is in transmission connection with the roller (6), a waterproof shell (92) is arranged above the motor (91), and a photovoltaic mechanism (93) is arranged on the waterproof shell (92).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311377270.XA CN117169656A (en) | 2023-10-23 | 2023-10-23 | Quick positioning device for power distribution network ground fault |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311377270.XA CN117169656A (en) | 2023-10-23 | 2023-10-23 | Quick positioning device for power distribution network ground fault |
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| CN117169656A true CN117169656A (en) | 2023-12-05 |
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| CN202311377270.XA Pending CN117169656A (en) | 2023-10-23 | 2023-10-23 | Quick positioning device for power distribution network ground fault |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117522091A (en) * | 2024-01-08 | 2024-02-06 | 国网四川省电力公司电力科学研究院 | Intelligent scheduling system and method for emergency repair of post-earthquake power equipment |
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2023
- 2023-10-23 CN CN202311377270.XA patent/CN117169656A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117522091A (en) * | 2024-01-08 | 2024-02-06 | 国网四川省电力公司电力科学研究院 | Intelligent scheduling system and method for emergency repair of post-earthquake power equipment |
| CN117522091B (en) * | 2024-01-08 | 2024-04-16 | 国网四川省电力公司电力科学研究院 | Intelligent scheduling system and method for emergency repair of post-earthquake power equipment |
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