CN102226830B - A kind of electric power acoustoelectric combination insulation monitoring track integration apparatus - Google Patents
A kind of electric power acoustoelectric combination insulation monitoring track integration apparatus Download PDFInfo
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- CN102226830B CN102226830B CN201110088997.7A CN201110088997A CN102226830B CN 102226830 B CN102226830 B CN 102226830B CN 201110088997 A CN201110088997 A CN 201110088997A CN 102226830 B CN102226830 B CN 102226830B
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Abstract
A kind of electric power acoustoelectric combination insulation monitoring track integration apparatus, the present invention is connected and composed by acousto-electric detection rail mounted device (1) harmony electrical signal processing system (2); Acousto-electric detection rail mounted device (1) connects the long rails (8) of two groups of tangent plane tracks (4) by one and two tangent plane spring clamps (6) are formed, and uhf sensor (7) and sonac (9) press in tested electrical equipment (3) surperficial by two spring clamps (6) respectively; Acoustoelectric signal disposal system (2) comprises the signal transmssion line (11) be connected on uhf sensor (7) and sonac (9), and the preposition acoustoelectric signal bus treating apparatus (12) to be connected with signal transmssion line (11), and the signal transacting terminal (13) be connected with preposition acoustoelectric signal bus treating apparatus (12).The present invention is a kind of effective acoustoelectric combined insulating monitoring rail mounted integrating device of electrical equipment, and have convenient manual operation, spacial multi-angle detects insulation defect, ensure that the feature such as personal safety and intensive signal handling capacity.
Description
Technical field
What the present invention relates to is electrical equipment acousto-electric detection device and signal transacting terminal, specifically by super high frequency detector, the integrated layout of ultrasonic detection device rail mounted, and the focusing on and show composition of Back end data processing unit.
Background technology
Both at home and abroad to the development of insulation of electrical installation state inspection rapidly, detection method has traditional pulse current method, ultrahigh frequency method, supercritical ultrasonics technology and chemical measure, and the applicability of distinct methods to electrical equipment is different.
Ultrahigh frequency method utilizes electrical equipment under high pressure, and acquisition equipment local weak link field intensity is concentrated and sent electromagnetic impulse signal, is inferred the method for insulation of electrical installation performance by this signal.The method has all carried out large quantity research both at home and abroad, particularly at electrical equipment high-pressure side Poul Dorset Sheep Be very effective.Under high voltages in insulation of electrical installation weak link cavity stimulating frequency up to the electromagnetic wave of several GHz, the electromagnetic wave signal of this frequency range effectively can avoid the interference such as on-the-spot corona, there is antijamming capability strong, highly sensitive, the features such as shelf depreciation location and Classifcation of flaws can be realized.
Supercritical ultrasonics technology has extensive application in Electric Power Equipment Insulation Performance Detection.Such as, when inside electric appliance produces electric discharge phenomena, mechanical vibration and sound wave can be produced in inside cavity, also measure local electric discharge and mechanical oscillation signal can be come with the ultrasonic sensor that chamber outer wall is installed.The advantage of the method is that sensor directly contacts without any with electrification device in electrical equipment, does not affect electrical equipment and normally runs, and more weak by electrical equipment interference.But because acoustic signals is at SF
6through insulator and metal shell catadioptric in gas, and the decay of the high-frequency components of signal is very fast, and signal is different by propagation rate during different medium, and therefore sonac is usually connected with the higher signal amplifier of sensitivity.Sonac reception acoustical signal has certain directivity in addition, and have certain precision to the location of main equipment insulation fault, rig-site utilization more for convenience.
According to the installation structures feature that scene is run, ultrahigh frequency method and supercritical ultrasonics technology joint test method (sound, Electricity Federation close) is adopted to carry out Insulation monitoring to electrical equipment.Acoustoelectric combined ultra-high frequency signal and the ultrasonic signal simultaneously extracting insulation defect shelf depreciation, by the comparative analysis to two kinds of signals, more effectively can get rid of on-the-spot interference, improve the accuracy of shelf depreciation positioning precision and Classifcation of flaws, be conducive to finding and determine insulation defect, realizing the security maintenance of electrical equipment.
Be integrated on adjustable rail by uhf sensor and ultrasonic sensor, device operates convenient.Integrating device of the present invention is a direction of mechanical automation Insulation monitoring development from now on.
Summary of the invention
The technical development of current insulation of electrical installation Performance Detection is rapid, uses at most and the good detection method of effect has ultrahigh frequency method and supercritical ultrasonics technology; These two kinds of insulation detecting methods of current use start the research that electrical equipment detects, and the complete integrating device of this invention designs in conjunction with these two kinds of detection methods just, and uhf sensor, ultrasonic sensor trackization is integrated.
The present invention is realized by following technical proposal.
A kind of electric power acoustoelectric combination insulation monitoring track integration apparatus, is characterized in that: this device is connected and composed by acousto-electric detection rail mounted device harmony electrical signal processing system; Acousto-electric detection rail mounted device connects the long rails of two groups of tangent plane tracks by one and two tangent plane spring clamps are formed, and uhf sensor and sonac press in tested electrical equipment surface by two spring clamps respectively; Acoustoelectric signal disposal system comprises the signal transmssion line be connected on uhf sensor and sonac, and the preposition acoustoelectric signal bus treating apparatus to be connected with signal transmssion line, and the signal transacting terminal be connected with preposition acoustoelectric signal bus treating apparatus.
The invention has the beneficial effects as follows:
A. uhf sensor and sonac can be arranged in electrical appliance enclosure surface multi-angle, ensure that Insulation monitoring is comprehensive;
B. uhf sensor of the present invention and ultrasonic sensor use rail type mobile mode, by spring clamp piezoelectricity gas equipment surface, adopt manual-operating mechanism, avoid direct body contact's high voltage electric equipment, ensure that personal safety;
C. the useful signal received from uhf sensor and ultrasonic sensor transfers to preposition acoustoelectric signal bus treating apparatus by signal transmssion line, uses cable transmission a to computing machine to carry out signal and compares and Data Management Analysis.
Content of the present invention is set forth further below in conjunction with accompanying drawing and example.
accompanying drawing illustrates:fig. 1 acoustoelectric combined detection rail mounted integrating device structural representation;
Fig. 2 acousto-electric detection rail mounted apparatus structure schematic diagram;
Fig. 3 acoustoelectric signal disposal system structural representation.
embodiment:
A kind of electric power acoustoelectric combination insulation monitoring track integration apparatus, the present invention is connected and composed by acousto-electric detection rail mounted device 1 harmony electrical signal processing system 2; Acousto-electric detection rail mounted device 1 connects the long rails 8 of two groups of tangent plane tracks 4 by one and two tangent plane spring clamps 6 are formed, and uhf sensor 7 and sonac 9 press in tested electrical equipment 3 surface by two spring clamps 6 respectively; Acoustoelectric signal disposal system 2 comprises the signal transmssion line 11 be connected on uhf sensor 7 and sonac 9, and the preposition acoustoelectric signal bus treating apparatus 12 to be connected with signal transmssion line 11, and the signal transacting terminal 13 be connected with preposition acoustoelectric signal bus treating apparatus 12.
See Fig. 1, this graph shows acoustoelectric combined detection rail mounted integrating device schematic diagram.Can find out that these complete equipment are made up of two parts by diagram: a part is acoustic-electric rail mounted device, and a part is acoustoelectric signal disposal system.
See Fig. 2, the figure illustrates acousto-electric detection rail mounted device schematic diagram.Rail mounted device, major function realizes electrical equipment 3 multi-angle Insulation monitoring.Wherein uhf sensor 7 is pressed on insulator surface by spring clamp, can 360 ° of multi-orientation detection insulation defects, ultrasonic sensor 9 by long rails 8 and tangent plane track 4 with the use of carrying out Insulation monitoring in electrical equipment 3 appointed area; Slided on long rails 8 and tangent plane track 4 respectively by longitudinal spring folder 10 and tangent plane spring clamp 6 and adjust the position of sensor.
See Fig. 3, the figure illustrates acoustoelectric signal disposal system schematic diagram.By signal transmssion line 11 by analog signal transmission extremely preposition acoustic-electric bus treating apparatus 12, the digital data transmission after process, to Computer signal processing terminal 13, finally draws testing result at signal transacting interface 14.
Claims (1)
1. an electric power acoustoelectric combination insulation monitoring track integration apparatus, is characterized in that: this device is connected and composed by acousto-electric detection rail mounted device (1) harmony electrical signal processing system (2); Acousto-electric detection rail mounted device (1) connects the long rails (8) of two groups of tangent plane tracks (4) by one and two tangent plane spring clamps (6) are formed, and uhf sensor (7) and sonac (9) press in tested electrical equipment (3) surperficial by two spring clamps (6) respectively; Acoustoelectric signal disposal system (2) comprises the signal transmssion line (11) be connected on uhf sensor (7) and sonac (9), and the preposition acoustoelectric signal bus treating apparatus (12) to be connected with signal transmssion line (11), and the signal transacting terminal (13) be connected with preposition acoustoelectric signal bus treating apparatus (12).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110088997.7A CN102226830B (en) | 2011-04-11 | 2011-04-11 | A kind of electric power acoustoelectric combination insulation monitoring track integration apparatus |
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| CN201110088997.7A CN102226830B (en) | 2011-04-11 | 2011-04-11 | A kind of electric power acoustoelectric combination insulation monitoring track integration apparatus |
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| CN102226830A CN102226830A (en) | 2011-10-26 |
| CN102226830B true CN102226830B (en) | 2015-08-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE2151344A1 (en) * | 2021-11-02 | 2023-05-02 | EliGuard AB | A sensor device, a system, a method and a computer program for detection of electrical abnormalities in association with electrical equipment |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201432279A (en) * | 2013-02-05 | 2014-08-16 | Tzu-Feng Wanglee | Method of utilizing vocal features for determining malfunctions of electrical equipment caused by arc discharge, mechanical vibration and abnormal displacement |
| CN105158654B (en) * | 2015-08-24 | 2017-09-26 | 大连世有电力科技有限公司 | The intelligent robot diagnosed for partial discharge of transformer |
| CN105842594A (en) * | 2016-05-20 | 2016-08-10 | 国网河南省电力公司电力科学研究院 | Intelligent supersonic wave partial discharge on-line monitoring system and monitoring method |
| CN106841939A (en) * | 2016-12-23 | 2017-06-13 | 西安交通大学 | The portable acoustoelectric combined detection means of GIS partial discharge and its detection method |
| CN112285208B (en) * | 2020-11-04 | 2021-06-01 | 郑州铁路职业技术学院 | Railway track flaw detection device and flaw detection method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1205482C (en) * | 1999-09-02 | 2005-06-08 | 特兰斯格里德公司 | Partial discharge monitoring system for transformers |
| CN101666850A (en) * | 2009-09-29 | 2010-03-10 | 延安供电局 | Acoustic-electric detection device for insulation defects of power cable |
| CN101688883A (en) * | 2007-06-22 | 2010-03-31 | 英特尔公司 | Sensible motion detector |
| CN101702002A (en) * | 2009-12-07 | 2010-05-05 | 上海市电力公司 | Local discharge electroacoustic united detection positioning system and positioning method thereof |
| CN201662603U (en) * | 2009-12-03 | 2010-12-01 | 上海市电力公司 | Acoustoelectric combined sensor |
-
2011
- 2011-04-11 CN CN201110088997.7A patent/CN102226830B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1205482C (en) * | 1999-09-02 | 2005-06-08 | 特兰斯格里德公司 | Partial discharge monitoring system for transformers |
| CN101688883A (en) * | 2007-06-22 | 2010-03-31 | 英特尔公司 | Sensible motion detector |
| CN101666850A (en) * | 2009-09-29 | 2010-03-10 | 延安供电局 | Acoustic-electric detection device for insulation defects of power cable |
| CN201662603U (en) * | 2009-12-03 | 2010-12-01 | 上海市电力公司 | Acoustoelectric combined sensor |
| CN101702002A (en) * | 2009-12-07 | 2010-05-05 | 上海市电力公司 | Local discharge electroacoustic united detection positioning system and positioning method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE2151344A1 (en) * | 2021-11-02 | 2023-05-02 | EliGuard AB | A sensor device, a system, a method and a computer program for detection of electrical abnormalities in association with electrical equipment |
| SE545177C2 (en) * | 2021-11-02 | 2023-05-02 | EliGuard AB | A sensor device, a system, a method and a computer program for detection of electrical abnormalities in association with electrical equipment |
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| CN102226830A (en) | 2011-10-26 |
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