CN105606973A - System for detecting partial discharge by using 360-degree holographic imaging stereoscopic spectroscopy - Google Patents
System for detecting partial discharge by using 360-degree holographic imaging stereoscopic spectroscopy Download PDFInfo
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- CN105606973A CN105606973A CN201610124501.XA CN201610124501A CN105606973A CN 105606973 A CN105606973 A CN 105606973A CN 201610124501 A CN201610124501 A CN 201610124501A CN 105606973 A CN105606973 A CN 105606973A
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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
- G01R31/1227—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
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Abstract
Embodiments of the invention disclose a system for detecting partial discharge by using 360-degree holographic imaging stereoscopic spectroscopy. The system comprises a pulse voltage generation device, a signal detection trigger device, an experimental detection device, a 360-degree holographic imaging device, an optical imaging device and a computer multimedia device. The pulse voltage generation device is connected with the signal detection trigger device and the experimental detection device. The signal detection trigger device is connected with the experimental detection device. The 360-degree holographic imaging device is connected with the experimental detection device and the optical imaging device. The optical imaging device is connected with the computer multimedia device. The invention solves the problem that in the process of monitoring partial discharge, discharge happens instantaneously but human eyes cannot capture the discharge moment. The optical imaging device and the computer multimedia device process the image or the effect and then integratedly make a multi-angle all-dimensional 360-degree stereoscopic suspended image so as to show the discharge moment in a slow-motion manner.
Description
Technical field
The present invention relates to Partial Discharge Detecting Technology field, particularly relate to a kind of 360 degree holographic imaging cubic light spectrometry inspectionsSurvey shelf depreciation system.
Background technology
Shelf depreciation is to occur between electrode but the not electric discharge of penetrating electrode, and it is due to apparatus insulated inner existenceThe defect causing in weakness or production process repeats the phenomenon that punctures or extinguish under high electric-field intensity effect. Its tableNow for the puncturing of gas in insulation, among a small circle in solid or have the partial breakdown of liquid medium or the edge of metal surface and pointThe concentrated partial breakdown electric discharge causing of angular position field intensity etc. Shelf depreciation test is to find part in Electric Power Equipment Insulation testThe important means of defect and hidden danger, and the important indicator of insulating reliability and life appraisal.
In prior art, shelf depreciation is tested conventional method electrical measuring method and non-electrical measuring method, wherein conventional in non-electrical measuring methodHave a flash spotting, flash spotting is to carry out with the light radiation that shelf depreciation produces, in transformer, various electric discharges are sentOptical wavelength difference, by detecting the characteristic of photoelectric current, can realize the identification of shelf depreciation after opto-electronic conversion.
But, comprehensive, multi-angle reaction shelf depreciation process that flash spotting is failed.
Summary of the invention
In the embodiment of the present invention, provide a kind of 360 degree holographic imaging cubic light spectrometries to detect shelf depreciation system, to solveIn prior art, fail comprehensive, multi-angle projection shelf depreciation Process Problems.
In order to solve the problems of the technologies described above, the embodiment of the invention discloses following technical scheme:
The invention discloses a kind of 360 degree holographic imaging cubic light spectrometries and detect shelf depreciation system, comprising: pulse voltageGenerating means, signal detection flip flop equipment, experiment checkout gear, 360 degree holographic imaging apparatus, optical imaging device andComputer media device;
Described pulse voltage generating means is connected with described signal detection flip flop equipment and experiment checkout gear respectively, described letterNumber detect flip flop equipment be connected with described experiment checkout gear;
Described 360 degree holographic imaging apparatus are connected with described experiment checkout gear and optical imaging device respectively, described opticsImaging device is connected with described computer media device.
Preferably, described pulse voltage generating means comprises impulse voltage generator and divider, and described pulse voltage occursDevice is electrically connected with described divider;
Described divider is connected with described signal detection flip flop equipment.
Preferably, described signal detection flip flop equipment comprises oscillograph, and described oscillograph is electrically connected with described divider;
Described oscillograph is connected with described experiment checkout gear.
Preferably, described experiment checkout gear comprises airtight experiment cavity and needle plate electrode, and described needle plate electrode is arranged at instituteState in airtight experiment cavity and be electrically connected with described impulse voltage generator;
Described airtight experiment cavity is connected with described 360 degree holographic imaging apparatus.
Preferably, described 360 degree holographic imaging apparatus comprise high-definition camera unit, and the high definition of described high-definition camera unit is taken the photographCamera is evenly arranged on described airtight experiment cavity and is electrically connected with described oscillograph respectively;
Described optical imaging device is connected with described high-definition camera.
Preferably, described airtight experiment cavity is to be full of insulating gas in transparent cavity and transparent cavity.
Preferably, described 360 degree holographic imaging cubic light spectrometries detect shelf depreciation system and also comprise video display playing device,Described video display playing device is connected with described computer media device.
From above technical scheme, the 360 degree holographic imaging cubic light spectrometries that the embodiment of the present invention provides detect part to be putElectric system comprises: pulse voltage generating means, signal detection flip flop equipment, experiment checkout gear, 360 degree holographic imagingsDevice, optical imaging device and computer media device; Pulse voltage generating means respectively with signal detection flip flop equipmentBe connected with experiment checkout gear, signal detection flip flop equipment is connected with experiment checkout gear; 360 degree holographic imaging apparatus divideBe not connected with experiment checkout gear and optical imaging device, optical imaging device is connected with computer media device. 360Degree holographic imaging apparatus comprises high-definition camera unit, the high-definition camera in high-definition camera unit can 360 degree without dead angle,Discharge process in omnibearing monitoring experiment cavity, and the picture monitoring or image information are transferred to optical imagery dressPut and carry out optical imagery processing, the picture of process optical imagery processing or image information transfer to computer media device and enterRow is integrated multi-angle, the comprehensive 360 degree stereo suspending images produced after processing, and then transfer to video display playing device and enterRow slow motion independent play-out.
Process optical imagery and computer media picture after treatment or image information are being play by video display playing deviceAfter there is the collimation error of human eye of cooperation, and show people's naked eyes catch less than discharge process.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existingIn technical description, the accompanying drawing of required use is briefly described, apparently, for those of ordinary skill in the art andSpeech, is not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The one 360 that Fig. 1 provides for the embodiment of the present invention is spent holographic imaging cubic light spectrometry and is detected shelf depreciation system architectureSchematic diagram;
In Fig. 1, symbol represents:
1-impulse voltage generator, 2-divider, the airtight experiment cavity of 3-, 4-high-definition camera unit, 5-optical imagery dressPut 6-computer media device, 7-video display playing device, 8-oscillograph, 9-needle plate electrode.
Detailed description of the invention
The embodiment of the present invention provides a kind of 360 degree holographic imaging cubic light spectrometries to detect shelf depreciation system, in order to make this skillThe personnel in art field understand the technical scheme in the present invention better, below in conjunction with the accompanying drawing in the embodiment of the present invention, rightTechnical scheme in the embodiment of the present invention is clearly and completely described, and obviously, described embodiment is only thisBright a part of embodiment, instead of whole embodiment. Based on the embodiment in the present invention, those of ordinary skill in the artNot making the every other embodiment obtaining under creative work prerequisite, all should belong to the scope of protection of the invention.
In order to make those skilled in the art person understand better the present invention program, below in conjunction with drawings and embodiments to thisBright being described in further detail.
Referring to Fig. 1, for the one 360 that the embodiment of the present invention provides is spent holographic imaging cubic light spectrometry detection shelf depreciation systemSystem structural representation, comprises pulse voltage generating means, signal detection flip flop equipment, experiment checkout gear, 360 degree entirelyBreath imaging device, optical imaging device 5 and computer media device 6. Wherein, pulse voltage generating means respectively withSignal detection flip flop equipment is connected with experiment checkout gear, and signal detection flip flop equipment is connected with experiment checkout gear.
Pulse voltage generating means is mainly used to produce pulse voltage, comprises impulse voltage generator 1 and divider 2, itsIn, impulse voltage generator 1 is electrically connected with divider 2. Impulse voltage generator 1 produces pulse signal, then passes throughAfter divider 2 dividing potential drops, signal is transferred to signal detection flip flop equipment, signal detection flip flop equipment comprises oscillograph 8, itsMiddle oscillograph 8 is electrically connected with divider 2, the pulse signal transmitting for receiving divider 2, and oscillograph 8 presents voltageWhen signal, signal is transferred to 360 degree holographic imaging apparatus, 360 degree holographic imaging apparatus and experiment checkout gearBe connected with optical imaging device 5, optical imaging device 5 is connected with computer media device 6.
360 degree holographic imaging apparatus comprise high-definition camera unit 4, and high-definition camera unit 4 comprises four high-definition cameras,High-definition camera can be 180 degree wide-angle cameras, four high-definition cameras be evenly arranged on experiment checkout gear andBe electrically connected with oscillograph 8 respectively, control the open and close of four high-definition cameras by oscillograph 8. Wherein, this is realTest checkout gear and comprise airtight experiment cavity 3, this airtight experiment cavity 3 is closed cavity, and in closed cavity, be full of asSF6The insulating gas such as (sulfur hexafluoride) gas, are provided with two needle plate electrodes 9 in closed cavity, and described needle plate electrode9 is mutually corresponding, and one of them needle plate electrode 9 is connected with impulse voltage generator 1, another needle plate electrode 9 and connecingGround end is connected, by be full of SF in the closed cavity that is provided with needle plate electrode 96Gas, ensures the pin in closed cavityThe discharge effect that plate electrode 9 is produced after pulse breakdown.
In the present embodiment, this airtight experiment cavity 3 is transparent cavity, and four high-definition cameras are arranged at respectively airtight realityTest the orientation up and down of cavity 3, make four high-definition cameras to spend and to take without dead angle that this is close from different azimuth 360Close experiment cavity 3. High-definition camera in high-definition camera unit 4 can detect discharge process from different azimuth, therefore,High-definition camera unit 4 can and comprehensively be monitored discharge process from multi-angle.
360 degree holographic imaging apparatus are connected with optical imaging device 5, optical imaging device 5 and computer media device6 connect, and also comprise a video display playing device 7 in the present embodiment, video display playing device 7 and computer media device 6Connect.
The real-time 360 degree monitoring discharge processes of the high-definition camera unit 4 that is connected with airtight experiment cavity 3, and will capture and putThe picture of electric process or image optical imaging device 5, optical imaging device 5 carries out light according to the picture or the image that receiveLearn imaging, and by picture after treatment or image transmission to computer media device 6, computer media device 6To the discharge process picture capturing or image carry out integratedly after processing producing multi-angle, omnibearing 360 degree are verticalBody suspension image, and this 360 degree stereo suspending image transmission to video display playing device 7 is play.
As seen from the above-described embodiment, impulse voltage generator 1 is after energising, through divider 2 dividing potential drops, oscillograph 8Voltage signal detected, and voltage signal is transferred to the high-definition camera unit 4 in 360 degree holographic imaging apparatus, withTime, the pulse signal that impulse voltage generator 1 produces punctures the needle plate electrode 9 in airtight experiment cavity 3, now, and heightFour video cameras of clear shooting unit 4 are comprehensive, monitor without the discharge process in test cavity at dead angle, and willThe picture monitoring or image information transfer to optical imaging device 5, and optical imaging device 5 is to the picture receiving or shadowCarry out, after optical treatment, transferring to computer media device 6 as information, computer media device 6 is to receivingPicture or image information carry out processing and produce multi-angle, omnibearing 360 degree stereo suspending images, and by this 360Degree stereo suspending image transmission to video display playing device 7 is play.
Can make people be observed visually the momentary status of discharge process by 360 degree stereo suspending images, for electric discharge momentThe problem that cannot capture, has the collimation error that coordinates human eye, and the slow motion of electric discharge moment is independently displayed.
It should be noted that, in this article, the relational terms such as " first " and " second " etc. be only used for byEntity or operation and another entity or operating space separate, and not necessarily require or imply these entities or behaviourBetween work, there is relation or the order of any this reality. And term " comprises ", " comprising " or it is anyOther variants are intended to contain comprising of nonexcludability, thus make to comprise a series of key elements process, method, article orEquipment not only comprises those key elements, but also comprises other key elements of clearly not listing, or is also included as this mistakeThe key element that journey, method, article or equipment are intrinsic. In the situation that there is no more restrictions, " comprise one by statementIndividual ... " key element that limits, and be also not precluded within process, method, article or the equipment that comprises described key element and existOther identical element.
The above is only the specific embodiment of the present invention, makes those skilled in the art can understand or realize the present invention.To be apparent to one skilled in the art to the multiple amendment of these embodiment, as defined herein oneAs principle can be in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments. Therefore, thisBrightly will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of noveltyThe widest consistent scope.
Claims (7)
1. 360 degree holographic imaging cubic light spectrometries detect a shelf depreciation system, it is characterized in that, comprising: pulse voltageGenerating means, signal detection flip flop equipment, experiment checkout gear, 360 degree holographic imaging apparatus, optical imaging device (5)With computer media device (6);
Described pulse voltage generating means is connected with described signal detection flip flop equipment and experiment checkout gear respectively, described letterNumber detect flip flop equipment be connected with described experiment checkout gear;
Described 360 degree holographic imaging apparatus are connected with described experiment checkout gear and optical imaging device (5) respectively, described inOptical imaging device (5) is connected with described computer media device (6).
2. 360 degree holographic imaging cubic light spectrometries according to claim 1 detect shelf depreciation system, it is characterized in that,Described pulse voltage generating means comprises impulse voltage generator (1) and divider (2), described impulse voltage generator (1)Be electrically connected with described divider (2);
Described divider (2) is connected with described signal detection flip flop equipment.
3. 360 degree holographic imaging cubic light spectrometries according to claim 2 detect shelf depreciation system, it is characterized in that,Described signal detection flip flop equipment comprises oscillograph (8), and described oscillograph (8) is electrically connected with described divider (2);
Described oscillograph (8) is connected with described experiment checkout gear.
4. 360 degree holographic imaging cubic light spectrometries according to claim 2 detect shelf depreciation system, it is characterized in that,
Described experiment checkout gear comprises airtight experiment cavity (3) and needle plate electrode (9), and described needle plate electrode (9) is establishedBe placed in described airtight experiment cavity (3) and be electrically connected with described impulse voltage generator (1);
Described airtight experiment cavity (3) is connected with described 360 degree holographic imaging apparatus.
5. 360 degree holographic imaging cubic light spectrometries according to claim 4 detect shelf depreciation system, it is characterized in that,
Described 360 degree holographic imaging apparatus comprise high-definition camera unit (4), and the high definition of described high-definition camera unit (4) is taken the photographCamera is evenly arranged at described airtight experiment cavity (3) above and is electrically connected with described oscillograph (8) respectively;
Described optical imaging device (5) is connected with described high-definition camera.
6. 360 degree holographic imaging cubic light spectrometries according to claim 4 detect shelf depreciation system, it is characterized in that,Described airtight experiment cavity (3) is transparent cavity, and is full of insulating gas in described transparent cavity.
7. 360 degree holographic imaging cubic light spectrometries according to claim 1 detect shelf depreciation system, it is characterized in that,Described 360 degree holographic imaging cubic light spectrometries detect shelf depreciation system and also comprise video display playing device (7), and described video display are broadcastPutting device (7) is connected with described computer media device (6).
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| CN201610124501.XA CN105606973A (en) | 2016-03-04 | 2016-03-04 | System for detecting partial discharge by using 360-degree holographic imaging stereoscopic spectroscopy |
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| CN201610124501.XA CN105606973A (en) | 2016-03-04 | 2016-03-04 | System for detecting partial discharge by using 360-degree holographic imaging stereoscopic spectroscopy |
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Cited By (8)
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| CN106597243A (en) * | 2017-02-14 | 2017-04-26 | 吴笃贵 | Probability characteristic parameter extraction method based on partial discharge holographic data |
| CN109471005A (en) * | 2018-11-12 | 2019-03-15 | 广西电网有限责任公司河池供电局 | Shelf depreciation imaging method, device, equipment and its storage medium |
| CN110208666A (en) * | 2019-07-03 | 2019-09-06 | 云南电网有限责任公司电力科学研究院 | The choosing method of local discharge characteristic spectrum |
| CN110763676A (en) * | 2018-07-26 | 2020-02-07 | 纬创资通股份有限公司 | Detection device and detection box group thereof |
| CN113109675A (en) * | 2021-04-12 | 2021-07-13 | 西北核技术研究所 | Image diagnosis device and method for insulation stack vacuum surface flashover |
| CN113406450A (en) * | 2021-06-17 | 2021-09-17 | 云南电网有限责任公司德宏供电局 | Test observation device and method for transient gas discharge in semi-closed micro-cavity |
| CN114563663A (en) * | 2022-01-18 | 2022-05-31 | 山东大学 | Experimental device and method for discharging in transformer oil under alternating voltage |
| CN113109675B (en) * | 2021-04-12 | 2024-06-11 | 西北核技术研究所 | Image diagnosis device and method for insulating stack vacuum surface flashover |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106597243A (en) * | 2017-02-14 | 2017-04-26 | 吴笃贵 | Probability characteristic parameter extraction method based on partial discharge holographic data |
| CN106597243B (en) * | 2017-02-14 | 2018-12-07 | 吴笃贵 | A kind of probability characteristics parameter extracting method based on shelf depreciation holographic data |
| CN110763676A (en) * | 2018-07-26 | 2020-02-07 | 纬创资通股份有限公司 | Detection device and detection box group thereof |
| CN109471005A (en) * | 2018-11-12 | 2019-03-15 | 广西电网有限责任公司河池供电局 | Shelf depreciation imaging method, device, equipment and its storage medium |
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| CN110208666B (en) * | 2019-07-03 | 2021-07-16 | 云南电网有限责任公司电力科学研究院 | Selection method of partial discharge characteristic spectrum |
| CN113109675A (en) * | 2021-04-12 | 2021-07-13 | 西北核技术研究所 | Image diagnosis device and method for insulation stack vacuum surface flashover |
| CN113109675B (en) * | 2021-04-12 | 2024-06-11 | 西北核技术研究所 | Image diagnosis device and method for insulating stack vacuum surface flashover |
| CN113406450A (en) * | 2021-06-17 | 2021-09-17 | 云南电网有限责任公司德宏供电局 | Test observation device and method for transient gas discharge in semi-closed micro-cavity |
| CN114563663A (en) * | 2022-01-18 | 2022-05-31 | 山东大学 | Experimental device and method for discharging in transformer oil under alternating voltage |
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Application publication date: 20160525 |