CN108303619A - A kind of controller switching equipment live detection method and device of Multi-sensor Fusion - Google Patents
A kind of controller switching equipment live detection method and device of Multi-sensor Fusion Download PDFInfo
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- CN108303619A CN108303619A CN201710024835.4A CN201710024835A CN108303619A CN 108303619 A CN108303619 A CN 108303619A CN 201710024835 A CN201710024835 A CN 201710024835A CN 108303619 A CN108303619 A CN 108303619A
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- 238000001514 detection method Methods 0.000 title claims abstract description 55
- 230000004927 fusion Effects 0.000 title claims abstract description 26
- 238000004891 communication Methods 0.000 claims abstract description 26
- 239000000523 sample Substances 0.000 claims abstract description 13
- 238000003745 diagnosis Methods 0.000 claims description 30
- 238000005070 sampling Methods 0.000 claims description 6
- 239000004973 liquid crystal related substance Substances 0.000 claims description 5
- 238000002329 infrared spectrum Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 3
- 239000013307 optical fiber Substances 0.000 claims description 3
- 238000001931 thermography Methods 0.000 claims description 2
- 230000010354 integration Effects 0.000 abstract description 2
- 238000001228 spectrum Methods 0.000 abstract description 2
- 241001269238 Data Species 0.000 abstract 1
- 239000006185 dispersion Substances 0.000 abstract 1
- 230000005611 electricity Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 238000013480 data collection Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1209—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing using acoustic measurements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1218—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing using optical methods; using charged particle, e.g. electron, beams or X-rays
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Abstract
The invention discloses a kind of controller switching equipment measuring device with electricity of Multi-sensor Fusion, which includes the signal acquisition probe sequentially connected, information fusion unit, diagnostic analysis unit and control, storage and communication unit；Signal acquisition probe by ultrasonic wave, three kinds of sensors of electric wave and infrared thermal imagery form, acquisition signal simultaneously be converted into analog electrical signal；Information fusion unit samples signal, rate-matched, and form integrated information coding by preset Signal coding and data fusion rule for obtaining the multiple analog electrical signal；Diagnostic analysis unit decodes integrated information coding and forms partial discharge and infared spectrum file by preset parser.The present invention, by ultrasonic wave, the three kinds of detection mode integrations of electric wave and infrared thermal imagery, effectively solve detection field instrumentation dispersion, problem inconvenient for use, and the fusion of three kinds of detection datas can effectively improve equipment state diagnostic result, promote controller switching equipment live detection effect.
Description
Technical Field
The invention relates to the technical field of live detection of distribution equipment.
Background
Technologies such as ultrasonic detection, earth electric wave detection, infrared detection and the like are mature day by day, and become main means for detecting the health state of power distribution equipment gradually.
At present, ultrasonic detection, earth electric wave detection and infrared detection instruments in the market mainly take signal detection as a main part and have no corresponding diagnosis function. With the gradual application of detection technology, the requirements on field detection personnel are higher and higher, the detection personnel need to have certain detection experience and fault identification basis, the working difficulty and the working load are also higher and higher, and the detection and diagnosis of the power distribution equipment need to find a new working mode to solve the pressure and the problems faced in the present and future.
Meanwhile, the existing detection instrument is independently used in the detection process, and only adopts a wired transmission mode, so that not only is the data collection of the equipment inconvenient, but also multiple indexes of the equipment cannot be collected uniformly to carry out comprehensive analysis on the state of the equipment.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a detection device for detecting live line of power distribution equipment, which can integrate the detection data of 3 detection methods, provide a method based on the combination of partial discharge threshold and PRPD chart to diagnose the severity of partial discharge, and integrate the diagnosis of three detection technologies, thereby improving the effectiveness of detection; meanwhile, the device can provide wired and wireless data transmission modes, the data transmission modes are optimized, the structural design is ergonomic, the handheld operation is easy, and the convenience and the comfort of distribution network live detection are improved.
In order to solve the technical problem, the invention provides a multi-sensor fused power distribution equipment live detection device, which comprises a signal acquisition probe, an information fusion unit, a diagnosis and analysis unit, a control unit, an operation unit, a storage unit and a communication unit, wherein the signal acquisition probe is connected with the information fusion unit; wherein,
the signal acquisition probe is formed by an ultrasonic sensor, a geoelectric wave sensor and an infrared thermal image sensor and is used for acquiring ultrasonic signals, geoelectric signals and infrared thermal image signals generated by power distribution equipment and respectively converting the acquired ultrasonic signals, geoelectric signals and infrared thermal image signals into corresponding analog electric signals;
the information fusion unit is used for acquiring the plurality of analog electric signals, sampling and rate matching the signals, and forming a comprehensive information code through a preset signal code and data fusion rule;
the diagnosis and analysis unit decodes the comprehensive information code and forms a partial discharge and infrared thermal image map and a file through a preset diagnosis and analysis algorithm;
the control unit is used for coordinating and controlling the information fusion unit, the diagnosis and analysis unit, the operation unit, the storage unit and the communication unit module;
the operation unit is used for displaying the waveforms and the map files of the partial discharge and the infrared thermal image and performing human-computer interaction operation;
the storage unit is used for storing the waveforms and the map files of the partial discharge and infrared thermal images;
and the communication unit is used for outputting the waveforms and the map files of the partial discharge and infrared thermal images to external equipment.
And the ultrasonic sensor, the earth electric wave sensor and the infrared thermal image sensor in the signal acquisition probe are connected through a switch circuit.
The information fusion unit is connected by adopting a switch circuit and comprises a 3 x 1 switch circuit, a rate control circuit, a signal coding module and the like, so that the sampling rate setting and rate matching of multi-path different types of signal acquisition are realized.
The diagnosis and analysis unit adopts a method of combining partial discharge threshold analysis and a PRPD graph to diagnose the partial discharge severity.
The diagnosis and analysis unit comprehensively judges the insulation state of the equipment by combining the partial discharge severity and the infrared spectrum.
The operation unit comprises a liquid crystal display module and an operation program, wherein the liquid crystal display module is used for displaying the partial discharge waveform, the infrared thermal image map and the detection file; wherein the display module is a touch screen.
The storage unit is used for storing the waveforms and the map files of the partial discharge and infrared thermal images.
The communication unit is used for the wireless communication module to comprise one or more of a GPRS sub-communication module, a Zigbee communication sub-module, a WIFI communication sub-module and a Bluetooth communication sub-module;
the wired communication module comprises one or more of a 10/100BASE-T self-adaptive Ethernet sub-module, an RS-485 interface sub-module, an RS-232 interface sub-module and an optical fiber interface sub-module.
The implementation of the invention has the following beneficial effects:
1. in the invention, the detection device is integrated with the ultrasonic sensor, the geoelectric wave sensor and the infrared thermal image sensor, so that the detector is convenient to carry and can be used in multiple purposes, the diagnosis method is improved, the diagnosis of the severity of partial discharge can be carried out by the method of partial discharge threshold analysis and PRPD image combination adopted by the diagnosis and analysis unit, meanwhile, the comprehensive evaluation can be carried out on the 3 types of detection data of ultrasonic waves, geoelectric waves and infrared thermal images, the intelligent level of detection and diagnosis is improved, and the detection accuracy is improved;
2. in the invention, the detection device can provide wired and wireless data transmission modes, and optimizes the data transmission means, thereby greatly improving the convenience of detection data collection.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following briefly introduces the drawings needed to be used in the embodiments of the present invention or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is within the scope of the present invention for those skilled in the art to obtain other drawings based on the drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a system of a multi-sensor integrated power distribution equipment live detection apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an information fusion unit in a multi-sensor fusion power distribution equipment live detection apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, which is a power distribution equipment live detection device with multiple sensors integrated according to an embodiment of the present invention, the detection device includes a signal acquisition probe (1), an information integration unit (2), a diagnosis and analysis unit (3), a control unit (4), an operation unit (5), a storage unit (6), and a communication unit (7) connected in sequence; wherein,
the signal acquisition probe (1) is formed by an ultrasonic sensor, a geoelectric wave sensor and an infrared thermal image sensor, and is used for acquiring ultrasonic signals, geoelectric signals and infrared thermal image signals generated by power distribution equipment and respectively converting the acquired ultrasonic signals, geoelectric signals and infrared thermal image signals into corresponding analog electric signals;
the information fusion unit (2) is used for acquiring the plurality of analog electric signals, sampling and rate matching the signals, and forming a comprehensive information code through a preset signal code and data fusion rule;
the diagnosis and analysis unit (3) decodes the comprehensive information codes and forms a partial discharge and infrared thermal image map and a file through a preset diagnosis and analysis algorithm;
the control unit (4) is used for coordinating and controlling the information fusion unit, the diagnosis and analysis unit, the operation unit, the storage unit and the communication unit module;
the operation unit (5) is used for displaying the waveforms and the map files of the partial discharge and infrared thermal images and performing human-computer interaction operation;
the storage unit (6) is used for storing the waveforms and the map files of the partial discharge and infrared thermal images;
and the communication unit (7) is used for outputting the waveforms and the map files of the partial discharge and infrared thermal images to external equipment.
In the embodiment of the invention, the ultrasonic sensor, the earth electric wave sensor and the infrared thermal image sensor in the signal acquisition probe (1) are connected through a switch circuit.
In the embodiment of the invention, the information fusion unit (2) is connected by adopting a switch circuit and comprises a 3 x 1 switch circuit, a rate control circuit, a signal coding module and the like, so that the sampling rate setting and rate matching of multi-path different types of signal acquisition are realized.
In the embodiment of the invention, the diagnosis and analysis unit (3) adopts a method of combining partial discharge threshold analysis and a PRPD diagram to diagnose the partial discharge severity.
In the embodiment of the invention, the diagnosis and analysis unit (3) adopts a mode of combining the partial discharge severity and the infrared spectrum to comprehensively judge the insulation state of the equipment.
In the embodiment of the invention, the operation unit (5) comprises a liquid crystal display module and an operation program, wherein the liquid crystal display module is used for displaying the partial discharge waveform, the infrared thermography spectrum and the detection file; wherein the display module is a touch screen.
In the embodiment of the invention, the storage unit (6) is used for storing the waveforms and the map files of the partial discharge and infrared thermal images.
In the embodiment of the invention, the wired communication module comprises one or more of a 10/100BASE-T self-adaptive Ethernet sub-module, an RS-485 interface sub-module, an RS-232 interface sub-module and an optical fiber interface sub-module.
The working principle for detecting the electrification of the distribution equipment in the embodiment of the invention is as follows: the signal acquisition probe consists of an ultrasonic sensor, a geoelectric wave sensor and an infrared thermal image sensor, acquires signals and converts the signals into analog electric signals; the information fusion unit acquires a plurality of analog electric signals, samples and performs rate matching on the signals, and forms a comprehensive information code through a preset signal code and data fusion rule; the diagnosis and analysis unit decodes the comprehensive information code and forms a partial discharge and infrared thermal image map file through a preset diagnosis and analysis algorithm; the analysis control and communication unit displays the partial discharge and infrared thermal image map files and provides corresponding operation functions.
The embodiment of the invention has the following beneficial effects:
1. in the invention, the detection device is integrated with the ultrasonic sensor, the geoelectric wave sensor and the infrared thermal image sensor, so that the detector is convenient to carry and can be used in multiple purposes, the diagnosis method is improved, the diagnosis of the severity of partial discharge can be carried out by the method of partial discharge threshold analysis and PRPD image combination adopted by the diagnosis and analysis unit, meanwhile, the comprehensive evaluation can be carried out on the 3 types of detection data of ultrasonic waves, geoelectric waves and infrared thermal images, the intelligent level of detection and diagnosis is improved, and the detection accuracy is improved;
2. in the invention, the detection device can provide wired and wireless data transmission modes, and optimizes the data transmission means, thereby greatly improving the convenience of detection data collection.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.
Claims (8)
1. The multi-sensor fused live detection device for the power distribution equipment is characterized by comprising a signal acquisition probe (1), an information fusion unit (2), a diagnosis and analysis unit (3), a control unit (4), an operation unit (5), a storage unit (6) and a communication unit (7); wherein,
the signal acquisition probe (1) is formed by an ultrasonic sensor, a geoelectric wave sensor and an infrared thermal image sensor, and is used for acquiring ultrasonic signals, geoelectric signals and infrared thermal image signals generated by power distribution equipment and respectively converting the acquired ultrasonic signals, geoelectric signals and infrared thermal image signals into corresponding analog electric signals;
the information fusion unit (2) is used for acquiring the plurality of analog electric signals, sampling and rate matching the signals, and forming a comprehensive information code through a preset signal code and data fusion rule;
the diagnosis and analysis unit (3) decodes the comprehensive information codes and forms a partial discharge and infrared thermal image map and a file through a preset diagnosis and analysis algorithm;
the control unit (4) is used for coordinating and controlling the information fusion unit, the diagnosis and analysis unit, the operation unit, the storage unit and the communication unit module;
the operation unit (5) is used for displaying the waveforms and the map files of the partial discharge and infrared thermal images and performing human-computer interaction operation;
the storage unit (6) is used for storing the waveforms and the map files of the partial discharge and infrared thermal images;
and the communication unit (7) is used for outputting the waveforms and the map files of the partial discharge and infrared thermal images to external equipment.
2. The detection device according to claim 1, wherein the ultrasonic sensor, the earth electric sensor and the infrared thermal image sensor in the signal acquisition probe (1) are connected through a switch circuit.
3. The detection device according to claim 1, wherein the information fusion unit (2) is connected by a switching circuit, and comprises a 3 x 1 switching circuit, a rate control circuit and a signal coding module, so as to realize sampling rate setting and rate matching of multiple different types of signal acquisition.
4. The detection apparatus according to claim 1, wherein the diagnostic analysis unit (3) performs the diagnosis of the severity of partial discharge by using a combination of partial discharge threshold analysis and a PRPD pattern.
5. The detection device according to claim 1, characterized in that the diagnostic and analytical unit (3) uses a combination of partial discharge severity and infrared spectra to determine the insulation state of the equipment.
6. The detection device according to claim 1, wherein the operating unit (5) comprises a liquid crystal display module for displaying the partial discharge waveform, the infrared thermographic map and a detection file, and an operating program; wherein the display module is a touch screen.
7. The detection apparatus according to claim 1, wherein the storage unit (6) is adapted to store waveforms, map files of the partial discharge and infrared thermography.
8. The detection device according to claim 1, wherein the communication unit (7) comprises a module for wireless communication comprising one or more of a GPRS sub-communication module, a Zigbee communication sub-module, a WIFI communication sub-module and a bluetooth communication sub-module;
the wired communication module comprises one or more of a 10/100BASE-T self-adaptive Ethernet sub-module, an RS-485 interface sub-module, an RS-232 interface sub-module and an optical fiber interface sub-module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710024835.4A CN108303619A (en) | 2017-01-13 | 2017-01-13 | A kind of controller switching equipment live detection method and device of Multi-sensor Fusion |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710024835.4A CN108303619A (en) | 2017-01-13 | 2017-01-13 | A kind of controller switching equipment live detection method and device of Multi-sensor Fusion |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108776288A (en) * | 2018-07-25 | 2018-11-09 | 杭州顿恒科技有限公司 | A kind of novel local On-line Discharge monitoring device based on wireless aware |
| CN112203249A (en) * | 2020-09-29 | 2021-01-08 | 国网四川省电力公司电力科学研究院 | Intelligent gateway system suitable for partial discharge of switch cabinet |
| CN116231838A (en) * | 2021-12-06 | 2023-06-06 | 国网江苏省电力有限公司南京供电分公司 | A Partial Discharge Early Warning System and Method Based on Acoustic, Light and Gas Sensing Technology |
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| CN106324449A (en) * | 2015-07-01 | 2017-01-11 | 云南电网有限责任公司昆明供电局 | Partial discharge inspection system of portable switch cabinet |
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| US20120249321A1 (en) * | 2011-03-29 | 2012-10-04 | Min-Chih Hsuan | Local detection processing device and system |
| CN104698347A (en) * | 2013-12-04 | 2015-06-10 | 国家电网公司 | Non-contact live diagnosing device for health condition of substation equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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Application publication date: 20180720 |