CN110082655A - Visualization device detection method and instrument and its application in smart grid - Google Patents
Visualization device detection method and instrument and its application in smart grid Download PDFInfo
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- CN110082655A CN110082655A CN201910395212.7A CN201910395212A CN110082655A CN 110082655 A CN110082655 A CN 110082655A CN 201910395212 A CN201910395212 A CN 201910395212A CN 110082655 A CN110082655 A CN 110082655A
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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
- G01R31/1218—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
-
- 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
- G01R31/1227—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 of components, parts or materials
Abstract
The invention discloses a kind of visualization device detection method and instrument and its applications in smart grid, the wavelength tuning of pulse is realized by adjusting Polarization Controller, and pulse is obtained using the control of optical fiber phase battle array method, and by computer to laser and electronic scanning mirror synchronously control；Then it is scanned by laser beam on tested equipment surface with clathrate, it will be shown after the Wave data of record, it can intuitively see the fault point and electric discharge scene inside equipment, scene judges equipment with the presence or absence of failure, maintenance and breakdown repair are carried out in time, it solves the problems, such as that existing detecting instrument does not have scene judgement to the fault detection of equipment, avoids the emergency repair time of delay equipment fault, avoid the case where carrying out heavy losses to equipment belt generation.
Description
Technical field
The invention belongs to electric device maintenance Instrument technology field, more particularly, to a kind of visualization device detection method and
Instrument and its application in smart grid.
Background technique
145 Switching Stations are administered by company, and wherein cell site room occupies more than 1000, and indoor equipment of standing every year is because of various originals
For equipment internal discharge phenomenon than more prominent, impaired station room reaches 2 to 3 because caused by, because complicated reason causes station, room is set
It is that objective reality is inevitable by tide, company is influenced by geographical location, and Switching Station and underground station room are more, underground station room
Limited space not can be carried out normal ventilation, and the apparatus insulated reduction made moist for a long time is also the main reason for causing discharge fault.
The instrument of existing detection power equipment mainly has ultrasonic wave, infrared ray and the monitoring of ground electric wave at present, wherein ultrasound
Wave plays important function in detection device failure, and especially when detection device discharges, accuracy rate is up to 99%, ultrasound examination
It has been widely used in electrical equipment fault detection, but has needed to save recording after discovering device failure using ultrasound examination
It reports DianKeYuan to carry out fault analysis and handling, live cannot judge equipment fault reason, under such circumstances, staff's ability
The maintenance and service work of equipment are carried out, equipment, which cannot be replaced or be repaired in time, delays equipment emergency repair time, to equipment
Fault detection does not have the effect of scene judgement, is delayed the emergency repair time of equipment fault, brings serious threat to equipment.
Summary of the invention
In view of this, the purpose of the present invention is to provide visualization device detection method and instrument and its in smart grid
Application solve equipment dampness for solving the problems, such as that station room dampness equipment fails discovering device failure timely and accurately and draw
Play discharge fault accurate judgement.
To achieve the goals above, the technical scheme adopted by the invention is that, visualization device detection method passes through adjusting
The wavelength tuning of Polarization Controller realization pulse, and pulse is obtained using the control of optical fiber phase battle array method, and by computer to sharp
Light and electronic scanning mirror synchronously control；Then it is scanned, will be remembered with clathrate on tested equipment surface by laser beam
The Wave data of record is shown.
The embodiment of the invention provides the first possible embodiment of above scheme, using mode locking in laser cavity, swash
The timing excitation of light device battle array, Bragg acousto-optic modulation technology realize Wavelength demodulation；The pulse is the pulse of 1000nm magnitude.
The embodiment of the invention provides second of possible embodiment of above scheme, the tested equipment includes master
The equipment of net and distribution.
The embodiment of the invention provides the third possible embodiment of above scheme, tested equipment includes combination electricity
Device, transformer, high-voltage board and low-voltage cabinet.
The embodiment of the invention provides the 4th kind of possible embodiment of above scheme, the present invention specifically includes following step
Suddenly, emergent ray is generated by laser first, emergent ray arrives tested equipment after the reflection by incident mirror M1, and reflects
The light that the tested equipment received reflects is transferred to acquisition probe to reflecting mirror M2, reflecting mirror M2, acquisition probe is used for
Spectral information is obtained, and by transfer spectral information to the processing module of computer, the processing module is used to receive spectral information,
And spectral information coding techniques is utilized, spectral information will be obtained and be patterned counter modulation, form video internal image.
The present invention also provides a kind of visualization device detecting instrument, including laser, incident mirror M1, reflecting mirror M2 and adopt
Collection probe, in which:
The emergent ray of the laser enters tested equipment after the reflection by incident mirror M1；The reflecting mirror M2 is used
In the light of reception tested equipment reflection, and light is transferred to acquisition probe；The acquisition probe is for obtaining spectrum letter
Breath, and by transfer spectral information to processing module, the processing module is encoded for receiving spectral information, and using spectral information
Technology will obtain spectral information and be patterned counter modulation, forms video internal image.
The embodiment of the invention provides second of possible embodiments of above scheme, further include display device, described
Display device forms video internal image for video-stream processor module.
The embodiment of the invention provides the third possible embodiment of above scheme, the laser is that blue is partly led
Body laser.
The embodiment of the invention provides the 4th kind of possible embodiment of above scheme, the laser is super continuous wide
Band light source laser.
The application that the present invention also provides instruments in smart grid, by the condition monitoring system of instrument and mis system
All kinds of Condition Monitoring Datas and analysis result will also be pushed in MIS by device data central platform, and made by information exchange
For one of the important foundation data of the advanced application of repair based on condition of component aid decision, in the Unified frame of electric network information, pass through number
According to center, the Real-Time Sharing of device status data is realized.
Compared with prior art, the present invention at least has the advantages that, the present invention passes through to ultrasonic wave and infrared ray
Equipment improves, and can intuitively see that the fault point and electric discharge scene, scene inside equipment judge equipment with the presence or absence of event
Barrier carries out maintenance and breakdown repair in time, solves existing detecting instrument and do not have live judgement to the fault detection of equipment
The problem of, the emergency repair time of delay equipment fault is avoided, the case where carrying out heavy losses to equipment belt generation is avoided.
In addition, of the invention is reasonable in design, designing quality is light and handy, is be easily moved, carries, good economy performance, reach through
Ji budget, the detection work suitable for the equipment fault of nationwide electric power station room；
In addition, the equipment that the present invention can be detected includes combined electrical apparatus, 220kV, 110kV substation and the station 10kV room master
Net system equipment and distribution network systems equipment full inspection are surveyed, suitable for the fault detection of any power equipment, completely new multi-tester
According to the detection of stand indoor equipment fault and the equipment progress that will be broken down, accuracy rate reaches 99%, live can judge
Equipment whether there is failure.
Visual retrieval device systems of the invention use technique of laser imaging, using solid-state laser, acousto-optic modulation, determine
When excitation technique, the on-line monitoring and analysis of electrical equipment are realized to signal in-situ processing, there is high cost performance, it is very suitable
It closes in substation operation.
It is simple and reliable that the system has the characteristics that precision height, strong antijamming capability, easy for installation, data are transmitted.It is aobvious in real time
Show the current data of every equipment under test, while can also show the signal intensity trend of monitored equipment, to find in advance
Potential risk inside the equipment such as switchgear issues early warning before accident generation, reduces loss.Background computer can simultaneously
Monitoring data timing is saved, to consult analysis at any time in the future.
Due to the type of power transmission and transforming equipment and the diversity feature of sensor technology, the state that state monitoring apparatus is issued
Monitoring data and its transport protocol there is no unified standard at present, and there are many original data, front subsystem be caused to be dispersed,
Deployment is complicated, and extension cost is high, be unfavorable for power transmission and transformation equipment state monitoring system the unified plan of full company, specification handles and
It promotes and applies.Therefore, the new power transmission and transformation equipment state monitoring system for serving smart grid needs the position forward in appropriateness
The expansible status information access criteria layer that can access all kinds of Condition Monitoring Datas is established, accessed number is standardized with this
According to.
The information exchange that can be realized instrument state monitoring system and mis system of the invention, can be promoted to greatest extent
Professional, the specific aim, deep-going of equipment state analysis；By establishing the device data central platform of enterprise-level to the maximum extent
The various basic data resources being had built up in shared MIS, such as power transmission and transforming equipment basis account, general headquarters/net province/districts and cities' three-level group
Loom structure and the permission control system of personnel, patterned Net Frame of Electric Network and a variety of granularities etc., optimized integration data it is automatic
It is synchronous.Meanwhile all kinds of Condition Monitoring Datas and analysis result will also be pushed in MIS by device data central platform, and be made
For one of the important foundation data of the advanced application of repair based on condition of component aid decision, in the Unified frame of electric network information, pass through number
According to center, the Real-Time Sharing of device status data is realized, Condition Monitoring Data will be with the advanced application nothing of repair based on condition of component aid decision
Seam fusion.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims
And specifically noted structure is achieved and obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram that the present invention carries out ultrasound examination to existing switchgear.
Fig. 2 is basic structure schematic diagram of the invention.
Fig. 3 is operation interface structural schematic diagram of the invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
As depicted in figs. 1 and 2, visualization device detection method of the invention realizes pulse by adjusting Polarization Controller
Wavelength tuning, and using optical fiber phase battle array method control obtain pulse, and by computer it is synchronous with electronic scanning mirror to laser
Control；Then it is scanned by laser beam on tested equipment surface with clathrate, after the Wave data editor of record
Display.
In a certain embodiment of invention, by utilizing mode locking, the timing excitation of laser battle array, Bragg sound in laser cavity
Light modulation techniques realize Wavelength demodulation, and pulse is the pulse of 1000nm magnitude, and tested equipment includes the equipment of major network and distribution,
Such as combined electrical apparatus, transformer, high-voltage board and low-voltage cabinet.
In a certain embodiment of the invention, detection method specifically includes following steps, is produced first by laser
Light is penetrated, emergent ray arrives tested equipment after the reflection by incident mirror M1, and is reflected into reflecting mirror M2, and reflecting mirror M2 will connect
The light of the tested equipment reflection received is transferred to acquisition probe, and acquisition probe believes spectrum for obtaining spectral information
Breath is transferred to the processing module of computer, and the processing module utilizes spectral information coding techniques for receiving spectral information,
Spectral information will be obtained and be patterned counter modulation, form video internal image.
Such as Fig. 2 so, the present invention also provides a kind of visualization device detecting instrument, including laser, incident mirror M1, anti-
Penetrate mirror M2 and acquisition probe, in which:
The emergent ray of the laser enters tested equipment after the reflection by incident mirror M1；The reflecting mirror M2 is used
In the light of reception tested equipment reflection, and light is transferred to acquisition probe；The acquisition probe is for obtaining spectrum letter
Breath, and by transfer spectral information to processing module, the processing module is encoded for receiving spectral information, and using spectral information
Technology will obtain spectral information and be patterned counter modulation, forms video internal image.
As a preferred embodiment, the invention also includes display device, the display device is used for video-stream processor module
Video internal image is formed, the laser is blue semiconductor laser, and the laser is ultra-continuous wideband light source laser
Device.
The application that the present invention also provides instruments in smart grid, by the condition monitoring system of instrument and mis system
All kinds of Condition Monitoring Datas and analysis result will also be pushed in MIS by device data central platform, and made by information exchange
For one of the important foundation data of the advanced application of repair based on condition of component aid decision, in the Unified frame of electric network information, pass through number
According to center, the Real-Time Sharing of device status data is realized.
The present invention detects each electric conductor in equipment inside and conduction position failure, and laser scanning situation has acquisition
Thermal light source inside equipment, standard thermal light source is greater than 95% hair in 6500K (or 5000k) colour temperature, index between equipment conductor
Radiant, between normal environment 1-40, laser detection equipment is unaffected, and the conductive site thermal light source inside equipment goes out
When being now greater than 6500k, detecting instrument automatic action alarm is had an X-rayed, carries out repeated detection.
In a certain embodiment of the invention, the shell of instrument uses organic glass material, 3 millimeters of thickness, can make entirety
It is transparent, instrument internal situation, dielectric strength 2500M Ω, the intensity 100% of shell, the wide 30CM × 50CM of size can be directly viewable；
Laser display screen and laser detection instrument are manufactured using solid-state, and laser class display screen is the display harmless to eyes, laser at
Work is detected as device is applied to metal class Sfa equipment, laser uses ultra-continuous wideband light source laser, also known as white light laser
Device technology, super optical fiber technology, the spertral wavelength range of continuous wide band light source laser: 450-2400, output power 5-10W.
In a certain embodiment of the invention, as shown in figure 3, detection device instrument uses tablet computer formula function, it is various
Key is consistent with the touch screen sense of touch of mobile phone, easy to operate, quick, and whole Chinese displays can support the detection of detection device
As a result it is shown by the effect of 3 D stereo, high definition shows equipment fault and electric discharge figure, live can judge failure.
In a certain embodiment of the invention, of the invention is internally provided with battery, and the battery under lasting use
Cruising ability guarantee at 5 hours；In addition, environment temperature, in subzero 30 degree of normal uses, the scan area of instrument covers up to 5
Rice, the fault detection accuracy rate 99.99% of equipment, inner laser display screen reach 50000 pixels, and high definition shows equipment electric discharge figure
Shape.External structure uses organic glass material, accomplishes the high effect of waterproof, high temperature-proof, dielectric strength.
The present invention can accurately have found discharge fault and fault location point, major network system and distribution system suitable for power equipment
The detection of system, Switching Station, the various forms of transformers in cell site room etc. such as combined electrical apparatus, outdoor high-tension apparatus, in distribution.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. visualization device detection method, which is characterized in that realize the wavelength tuning of pulse by adjusting Polarization Controller, and adopt
It is controlled with optical fiber phase battle array method and obtains pulse, and by computer to laser and electronic scanning mirror synchronously control；Then by swashing
Light beam is scanned on tested equipment surface with clathrate, and the Wave data of record is shown.
2. the method according to claim 1, wherein using mode locking in laser cavity, laser battle array timing excitation,
Bragg acousto-optic modulation technology realizes Wavelength demodulation；The pulse is the pulse of 1000nm magnitude.
3. the method according to claim 1, wherein the tested equipment includes the equipment of major network and distribution.
4. the method according to claim 1, wherein tested equipment includes combined electrical apparatus, transformer, high-voltage board
And low-voltage cabinet.
5. being generated first by laser the method according to claim 1, wherein specifically including following steps
Emergent ray, emergent ray arrives tested equipment after the reflection by incident mirror M1, and is reflected into reflecting mirror M2, and reflecting mirror M2 will
The light of the tested equipment reflection received is transferred to acquisition probe, and acquisition probe is for obtaining spectral information, and by spectrum
Information is transferred to the processing module of computer, and the processing module encodes skill for receiving spectral information, and using spectral information
Art will obtain spectral information and be patterned counter modulation, forms video internal image.
6. visualization device detecting instrument, which is characterized in that including laser, incident mirror M1, reflecting mirror M2 and acquisition probe,
In:
The emergent ray of the laser enters tested equipment after the reflection by incident mirror M1；The reflecting mirror M2 is for connecing
The light of tested equipment reflection is received, and light is transferred to acquisition probe；The acquisition probe is used to obtain spectral information, and
By transfer spectral information to processing module, the processing module utilizes spectral information coding techniques for receiving spectral information,
Spectral information will be obtained and be patterned counter modulation, form video internal image.
7. instrument according to claim 1, which is characterized in that further include display device, the display device is for showing
Processor module forms video internal image.
8. instrument according to claim 1, which is characterized in that the laser is blue semiconductor laser.
9. device according to claim 7, which is characterized in that the laser is ultra-continuous wideband light source laser.
10. according to application of the described in any item instruments of claim 6-9 in smart grid, which is characterized in that by instrument
All kinds of Condition Monitoring Datas and analysis result will also be passed through device data by the information exchange of condition monitoring system and mis system
Central platform pushes in MIS, and one of the important foundation data as the advanced application of repair based on condition of component aid decision, believes in power grid
In the Unified frame of breathization, by data center, the Real-Time Sharing of device status data is realized.
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