CN104407277B - One kind is based on two waveband ultraviolet video Multi-information acquisition partial discharge monitoring device - Google Patents
One kind is based on two waveband ultraviolet video Multi-information acquisition partial discharge monitoring device Download PDFInfo
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- CN104407277B CN104407277B CN201410622543.7A CN201410622543A CN104407277B CN 104407277 B CN104407277 B CN 104407277B CN 201410622543 A CN201410622543 A CN 201410622543A CN 104407277 B CN104407277 B CN 104407277B
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Abstract
Patent of the present invention proposes one kind and is based on two waveband ultraviolet video Multi-information acquisition partial discharge monitoring device, can detect power equipment shelf depreciation；Patent of the present invention include two waveband more sense fore device, partial discharge Multi-information acquisition process circuit, monitor/PC, electrical equipment status monitoring system, alarming device, fore device is sensed the two waveband includes a Ultraviolet sensor, a two waveband UV double mesh camera more, ultraviolet quantitative discharge capacity can either be detected, two different-waveband videos of shelf depreciation can be gathered again, be easy to shelf depreciation Multi-information acquisition identifying processing；Patent of the present invention can carry out real-time video monitoring to electrical equipment scene, while Multi-information acquisition identification and warning can be carried out to shelf depreciation again, other local discharge sensors deficiencies be solved, while the repetition financial resources Input in the case of with video monitoring.
Description
Technical field
Patent of the present invention is related to power equipment safety and detection technique field, and in particular to one kind is regarded based on two waveband is ultraviolet
Frequency Multi-information acquisition partial discharge monitoring device.
Background technology
With the development of Digital Video Processing technology and microprocessor technology, video monitoring and digital image understanding method and
Device by more and more industries pass it is general, research and apply, its object is to improve safety in production and industry automation level.
Wherein, in concerned power, because electrical equipment is in manufacture, in-site installation and running, inevitably produced inside it
Some bad defects, these weak parts easily trigger electric discharge phenomena in the presence of highfield, but continuous with degree of discharge
Development, insulation is further damaged, and electrical equipment fault is caused when serious, therefore, and partial discharge monitoring is carried out extremely to power equipment
Close important.At present, though detection method for local discharge has electrical measuring method, supercritical ultrasonics technology and superfrequency method etc., these only put to local
Electric signal is detected, it is impossible to partial discharge phenomenon is perceived on direct vision, can not also prepare to position partial discharge position.And regard
Frequency target identification can be handled by video algorithm and obtain target and its physical location, and this is in terms of robot, industry, national defence
Studied and applied.In addition, video monitoring is monitored but also as production safety, its application field is industry, security protection etc., is raw
Production safety is essential to realize one of project.Therefore, video detection is carried out to power equipment shelf depreciation and seems increasingly important.
But existing video monitoring system, mostly only monitoring function, no identification function；If there is identification function, PC is also based on
Special object is recognized under video algorithm, it is impossible to meet shelf depreciation on-site supervision identification needs.In addition, this kind of partial discharge video detection
It is all single to be based on video, for accuracy and reliability Shortcomings.In order to realize that video partial discharge monitoring system can be
Power equipment in the case of shelf depreciation without playing security monitoring function；And in the case where there is shelf depreciation generation, can recognize
And alarm linkage, effective video partial discharge monitoring device need to be designed.
The content of the invention
In consideration of it, in order to solve the above problems, patent of the present invention proposes a kind of based on two waveband ultraviolet video multi information
Partial discharge monitoring device is merged, real-time, comprehensive video security monitoring can be carried out to power equipment operation, be played a game while playing
The function of portion's electric discharge Multi-information acquisition monitoring.
What the purpose of patent of the present invention was realized in：One kind is based on two waveband ultraviolet video Multi-information acquisition shelf depreciation
Monitoring device, including fore device, partial discharge Multi-information acquisition process circuit, monitor/PC, electrical equipment are sensed two waveband more
Condition monitoring system, alarming device, the fore device of sensing more than the two waveband include a Ultraviolet sensor, a two waveband UV double
Mesh camera, can gather two different-waveband videos of shelf depreciation, be easy to shelf depreciation Multi-information acquisition detection process.
Further, the two waveband more sense fore device a two waveband UV double mesh camera also include protective cover,
Specific UV wave band optical filter, photomultiplier, binocular head, focusing structure, CCD and image processing circuit, the photoelectricity times
The further increasing ultraviolet to the partial discharge by optical filter of increasing pipe, which is put, is easy to CCD to be imaged；
Further, the Ultraviolet sensor detection ultraviolet quantitative discharge capacity of fore device is sensed the two waveband more；
Further, the main DSP partial discharges Multi-information acquisition process circuit of the partial discharge fusion of multi-sensor information process circuit, it is born
Duty Ultraviolet sensor signal detection, the processing of partial discharge two-way video fusion recognition, partial discharge location, video frequency output handle and alarm defeated
Go out,
Described detection method includes step：Ultraviolet sensor signal is detected in real time, once there is Partial discharge signal, then analysis innings
Two-way video partial discharge image multiple features are put, Multi-information acquisition is counted based on weight, are differentiated and electric discharge statistics, and the elements of a fix, most
Rear video is exported and linkage report alarm；
Further, the partial discharge Multi-information acquisition process circuit also include video switch circuit, video decoding circuit,
Video coding circuit, power supply, telecommunication circuit and GPIO circuits, input and the DSP partial discharge multi informations of the video switch circuit
The control output end electrical connection of fusion treatment circuit, the output end of the video switch circuit and the passage of video decoding circuit are selected
Select input electrical connection；The video signal input terminal of the video decoding circuit is exported with the ultraviolet binocular camera video of two waveband
Electrical connection, the VT of the video decoding circuit and the vision signal of DSP partial discharge Multi-information acquisition process circuits
Input is electrically connected；The input of the video coding circuit and the video output terminals of DSP partial discharge Multi-information acquisition process circuits
Electrical connection, the output end of the video coding circuit is electrically connected with monitor/PC video inputs, for monitoring that two waveband is purple
Power equipment target is specified in outer binocular camera monitoring；The input of the communication module is handled with DSP partial discharges Multi-information acquisition
The signal of communication end electrical connection of circuit；The input of the GPIO circuits and the GPIO of DSP partial discharge Multi-information acquisition process circuits
Mouth is electrically connected, and the output end of the GPIO circuits is electrically connected with alarming device, realizes interlink warning；
Further, the telecommunication circuit can be realized and extraneous control signal based on communication modes such as RS485 or CAN or WIFI
Connection；
Further, it is described also to be wrapped based on two waveband ultraviolet video Multi-information acquisition partial discharge monitoring device and detection method
Electrical equipment status monitoring system is included, the electrical equipment status monitoring system passes through logical with partial discharge Multi-information acquisition process circuit
Believe circuit network connection.
Patent combination video technique of the present invention, identification technology, DSP technologies, sensor technology, multi-information merging technology and
Circuit engineering, by design based on two waveband ultraviolet video Multi-information acquisition partial discharge monitoring device, utilizes its two waveband
Many sensing fore devices, colored and ultraviolet contrast Multi-information acquisition identification can be carried out to partial discharge target, while being passed by ultraviolet
Sensor can obtain partial discharge amount size, and this not only can carry out real-time safety monitoring and shelf depreciation to power equipment safety production run
Identification, and sign partial discharge can be quantified, solve the function that security protection video monitoring system only has monitoring, it is impossible to which automatic identification is locally put
Electricity and discharge capacity sign, especially other detection method for local discharge can not be accurately positioned the defect of Partial Discharge Sources；Solve
Video Partial Discharge Detection communicates with electrical equipment status monitoring system interlink.The device to ensure electrical equipment safe operation,
Electric equipment operation reliability and validity are improved, reduction maintenance cost is significant.
Other advantages, the target of patent of the present invention, and feature will be explained in the following description to a certain extent
State, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or
Person can be instructed from the practice of patent of the present invention.The target of patent of the present invention and other advantages can be by following
Specifically noted structure is realized and obtained in specification, claims, and accompanying drawing.
Brief description of the drawings
In order that the purpose, technical scheme and advantage of patent of the present invention are clearer, below in conjunction with accompanying drawing to the present invention
Patent is described in further detail：
Fig. 1 shows a kind of based on two waveband ultraviolet video Multi-information acquisition partial discharge monitoring device schematic diagram.
Embodiment
Below with reference to accompanying drawing, the preferred embodiment of patent of the present invention is illustrated.
Referring to Fig. 1, one kind of the present embodiment is based on two waveband ultraviolet video Multi-information acquisition partial discharge monitoring device, bag
Include sensing fore device 1, partial discharge Multi-information acquisition process circuit 2, monitor/PC 3, electrical equipment status monitoring more than two waveband
System 4, alarming device 5, the fore device 1 of sensing more than the two waveband include a Ultraviolet sensor 18, a two waveband UV double mesh
Camera 19, can gather two different-waveband videos of shelf depreciation, be easy to shelf depreciation Multi-information acquisition detection process.
A two waveband UV double mesh camera 19 of fore device 1 is sensed the two waveband also includes protective cover 11, spy more
Determine ultraviolet band optical filter 12, photomultiplier 13, camera lens 14, focusing structure 15, CCD16 and image processing circuit 17, it is described
The ultraviolet further increasing of 13 pairs of partial discharges by optical filter 12 of photomultiplier, which is put, is easy to CCD16 to be imaged；
The Ultraviolet sensor 18 that fore device 1 is sensed the two waveband detects ultraviolet quantitative discharge capacity more；
The main DSP partial discharge Multi-information acquisitions process circuit 24 of partial discharge Multi-information acquisition process circuit 2, it is responsible for purple
The signal detection of outer sensor 1, the processing of partial discharge two-way video fusion recognition, partial discharge location, video frequency output processing and warning output.
The partial discharge Multi-information acquisition process circuit 2 includes video switch circuit 21, video decoding circuit 22, GPIO circuits
23rd, power supply 25, video coding circuit 26 and telecommunication circuit 27, the DSP partial discharges Multi-information acquisition process circuit 24 are based on DM642
Multimedia processor, DSP partial discharge Multi-information acquisitions process circuit 24 is by controlling video switch circuit 21 to realize video decoding electricity
Road 22 selects the video channel exported by the ultraviolet binocular camera 19 of two waveband.22 pairs of video decoding circuit comes from front end two waveband
The two-way different-waveband vision signal of ultraviolet binocular camera 19 such as is filtered, decoded at the processing, the vision signal warp after processing
The shelf depreciation video Multi-information acquisition identifying processing of DSP partial discharge Multi-information acquisitions process circuit 24 is crossed, if finding to have local put
Electric signal, carries out Partial Discharge Sources positioning, and exports linkage warning device 5 by GPIO circuits 23, while passing through telecommunication circuit 27
Monitored with the real-time linkage of electrical equipment status monitoring system 4.In addition, after DSP partial discharge Multi-information acquisitions process circuit 24 is handled
Video is exported to monitor/PC 3 in real time after being encoded through video coding circuit 26.
The real-time reception of electrical equipment status monitoring system 4 sends local put from partial discharge Multi-information acquisition process circuit 2
Electro' asion video information, and to the fusion video information statistics received, analysis, judgement, and alarmed, and maintenance data
Storehouse technology, logout is stored into database, so as to for future reference.In addition, electrical equipment status monitoring system 4 has it simultaneously
Its electrical device status information monitoring function, so as to realize the existing multimode information monitoring of electrical equipment status monitoring system 4, again
Real-time video monitoring can be carried out to power equipment running state.
The preferred embodiment of patent of the present invention is the foregoing is only, patent is not intended to limit the invention, it is clear that this area
Technical staff can to patent of the present invention carry out it is various change and modification without departing from patent of the present invention spirit and scope.This
Sample, if these modifications and variations of patent of the present invention belong to Patent right requirement of the present invention and its equivalent technologies scope it
Interior, then patent of the present invention is also intended to comprising including these changes and modification.
Claims (5)
1. one kind is based on two waveband ultraviolet video Multi-information acquisition partial discharge monitoring device, it is characterised in that：Including two waveband
Multisensor fore device, local Multi-information acquisition process circuit, monitor/PC, electrical equipment status monitoring system, warning
Device, the fore device of sensing more than the two waveband includes Ultraviolet sensor, the ultraviolet binocular camera of two waveband, and the two waveband is purple
Outer binocular camera is used for two different-waveband videos for gathering shelf depreciation, is easy at shelf depreciation Multi-information acquisition detection
Reason；The electrical device status detecting system is used for real-time reception and sends local put from partial discharge Multi-information acquisition process circuit
Electro' asion video information, and to the fusion video information statistics received, analysis, judgement, and alarmed, and maintenance data
Storehouse technology, logout is stored into database；
The partial discharge Multi-information acquisition process circuit mainly includes DSP partial discharge Multi-information acquisition process circuits, and it is used for ultraviolet biography
Sensor signal detection, the processing of partial discharge two-way video fusion recognition, partial discharge location, video frequency output processing and warning output, the DSP
Partial discharge Multi-information acquisition process circuit is used to detect Ultraviolet sensor signal in real time, once there is Partial discharge signal, then analyzes partial discharge double
Road video partial discharge image multiple features, Multi-information acquisition is counted based on weight, is differentiated and electric discharge statistics, and the elements of a fix, most backsight
Frequency output and interlink warning.
2. as claimed in claim 1 a kind of based on two waveband ultraviolet video Multi-information acquisition partial discharge monitoring device, it is special
Levy and be：A two waveband UV double mesh camera of fore device is sensed the two waveband also includes protective cover, specific UV more
Wave band optical filter, photomultiplier, binocular head, focusing structure, CCD and image processing circuit, the photomultiplier are used for
Further increasing ultraviolet to the partial discharge by optical filter, which is put, is easy to CCD to be imaged.
3. as claimed in claim 1 a kind of based on two waveband ultraviolet video Multi-information acquisition partial discharge monitoring device, it is special
Levy and be：The Ultraviolet sensor detection ultraviolet quantitative discharge capacity of fore device is sensed the two waveband more.
4. as claimed in claim 1 a kind of based on two waveband ultraviolet video Multi-information acquisition partial discharge monitoring device, it is special
Levy and be：The partial discharge Multi-information acquisition process circuit also includes video switch circuit, video decoding circuit, Video coding electricity
Road, power supply, telecommunication circuit and GPIO circuits, input and the DSP partial discharges Multi-information acquisition of the video switch circuit handle electricity
The control output end electrical connection on road, the output end of the video switch circuit and the channel selecting input electricity of video decoding circuit
Connection；The video signal input terminal of the video decoding circuit is electrically connected with the output of two waveband ultraviolet binocular camera video, institute
The video signal input terminal for stating the VT and DSP partial discharge Multi-information acquisition process circuits of video decoding circuit is electrically connected
Connect；The input of the video coding circuit is electrically connected with the video output terminals of DSP partial discharge Multi-information acquisition process circuits, described
The output end of video coding circuit is electrically connected with monitor/PC video inputs, and the monitor/PC is used to monitor double wave
The ultraviolet binocular camera head monitor of section specifies power equipment target；The input of the communication module and DSP partial discharge Multi-information acquisitions
The signal of communication end electrical connection of process circuit；The input of the GPIO circuits and DSP partial discharge Multi-information acquisition process circuits
GPIO mouthfuls are electrically connected, and the output end of the GPIO circuits is electrically connected with alarming device, realizes interlink warning.
5. as claimed in claim 4 a kind of based on two waveband ultraviolet video Multi-information acquisition partial discharge monitoring device, it is special
Levy and be：The telecommunication circuit is based on RS485 or CAN or WIFI communication modes are realized and are connected with extraneous control signal.
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| CN201410622543.7A CN104407277B (en) | 2014-11-08 | 2014-11-08 | One kind is based on two waveband ultraviolet video Multi-information acquisition partial discharge monitoring device |
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| CN104407277B true CN104407277B (en) | 2017-07-21 |
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| CN104780348A (en) * | 2015-04-16 | 2015-07-15 | 江苏科技大学 | System and method for monitoring outdoor power equipment in real time |
| CN110324741B (en) * | 2019-06-28 | 2021-08-24 | 深圳供电局有限公司 | Detection earphone and wearable detection equipment thereof |
| CN111178388B (en) * | 2019-12-05 | 2022-06-17 | 上海交通大学 | Partial discharge phase distribution detection method based on NSCT photoelectric fusion atlas |
| CN116488343B (en) * | 2023-04-26 | 2023-10-27 | 国网河南省电力公司信息通信分公司 | Intelligent power equipment safety monitoring system and method based on Internet of things |
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| JP4319575B2 (en) * | 2003-12-03 | 2009-08-26 | 三菱電機株式会社 | Rotating electrical machine partial discharge monitoring device and rotating electrical machine partial discharge remote monitoring system |
| CN101852835B (en) * | 2010-04-09 | 2013-01-09 | 重庆大学 | Power equipment visual detection device based on partial discharge signal and detection method thereof |
| CN102253490A (en) * | 2011-05-23 | 2011-11-23 | 华北电力大学（保定） | Binocular helmet display |
| CN102339062A (en) * | 2011-07-11 | 2012-02-01 | 西北农林科技大学 | Navigation and remote monitoring system for miniature agricultural machine based on DSP (Digital Signal Processor) and binocular vision |
| CN103389447A (en) * | 2013-07-31 | 2013-11-13 | 成都电业局双流供电局 | Non-contact ultraviolet pulse discharge monitoring device |
| CN204188761U (en) * | 2014-11-08 | 2015-03-04 | 莆田学院 | A kind of based on two waveband ultraviolet video Multi-information acquisition partial discharge monitoring device |
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Application publication date: 20150311 Assignee: PUTIAN DEXIN ELECTRONIC Ltd. Assignor: PUTIAN University Contract record no.: X2023350000325 Denomination of invention: A Partial Discharge Monitoring Device Based on Dual Band UV Video Multi information Fusion Granted publication date: 20170721 License type: Common License Record date: 20230809 |
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