CN103592371A - Porcelain post insulator vibration acoustic online monitoring apparatus - Google Patents
Porcelain post insulator vibration acoustic online monitoring apparatus Download PDFInfo
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- CN103592371A CN103592371A CN201310624474.9A CN201310624474A CN103592371A CN 103592371 A CN103592371 A CN 103592371A CN 201310624474 A CN201310624474 A CN 201310624474A CN 103592371 A CN103592371 A CN 103592371A
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Abstract
The invention relates to a porcelain post insulator vibration acoustic online monitoring apparatus, which comprises: a vibration excitation and signal acquisition system, wherein an acceleration sensor (2) of a modal vibration exciter (1) is respectively connected with a controller (3) to form the vibration excitation and signal acquisition system; and a signal transmission and analysis system, wherein the controller (3) is connected with a signal receiver (4), and the signal receiver (4) is connected with a computer (5) to form the signal transmission and analysis system. According to the present invention, the porcelain post insulator vibration acoustic online monitoring apparatus is designed, the remote control and wireless transmission method is adopted to acquire the porcelain post insulator vibration acoustic detection signal, the program is adopted to automatically analyzes the signal, and alarming is performed after finding the defect; with the apparatus, the acquisition position deviation during artificial vibration acoustic detection is avoided, the detection workload is reduced, and online monitoring on the porcelain post insulator by using the vibration acoustic detection method is achieved.
Description
Technical field
The present invention relates to a kind of insulator vibroacoustics on-Line Monitor Device, especially a kind of porcelain strut insulator vibroacoustics on-Line Monitor Device.
Background technology
Porcelain strut insulator vibroacoustics detection method detects progressively and launches at electric power porcelain strut insulator at present.Can predict, As time goes on, adopt vibroacoustics method to detect the application that porcelain strut insulator will obtain more and more wider method.At present, porcelain strut insulator vibroacoustics detection method also stops the stage of artificial manual operation detection.But, for a large amount of support insulators of transformer station, all detect, the required time is longer, and workload is large, and adopt on-line monitoring scheme, is the effective means that solves these aspects.
Therefore,, for this situation, invent a kind of porcelain strut insulator vibroacoustics on-Line Monitor Device, the on-line monitoring of porcelain strut insulator vibroacoustics.
Summary of the invention
Object of the present invention is just in order to overcome defect that above-mentioned prior art just does and not enough and a kind of collection position deviation can avoid artificial vibration Acoustic detection time is provided, reduce the workload detecting, and can realize the device of employing vibroacoustics detection method to the on-line monitoring of porcelain strut insulator.
The object of the invention is to realize by following technical solution.
A vibroacoustics on-Line Monitor Device, feature of the present invention is, comprise by a modality vibration exciter, the acceleration transducer vibrational excitation and the signal acquiring system that connect and compose with a controller respectively; By controller, connect signal receiver, the signal transmission that signal receiver connection computing machine forms and analytic system totally two systems form.
Modality vibration exciter of the present invention adopts contact or contactless, and is connected with controller by controlling cable; Modality vibration exciter applies vibration wave to support insulator under the control of controller; Vibration wave receives its vibration signal by acceleration transducer after by support insulator.
The excited frequency of modality vibration exciter of the present invention is 10Hz～10kHz, the frequency response range 200Hz～10kHz of acceleration transducer; Acceleration transducer is fixed on support insulator ring flange; Acceleration transducer is connected with controller by signal cable; Signal receiver by the communications cable be connected computing machine and connect.
Controller of the present invention is fixed on insulator pillar, and the wireless transmission method of controller and signal receiver is for adopting the mode of WIFI or GPRS to transmit.
Modality vibration exciter of the present invention is responsible for the generation of vibration wave, for preventing the impact of vibrator on support insulator, modality vibration exciter can not be directly fixed on support insulator, can adopt contact or contactless modality vibration exciter, excited frequency scope is 10Hz～10kHz, modality vibration exciter is connected with controller by controlling cable, is powered, and control exciting of modality vibration exciter by controller by controller.
Acceleration transducer of the present invention is responsible for the reception of vibration signal, be fixed on support insulator ring flange, adopt the strong magnet of the suction-combining force to fix, acceleration transducer wants cube little, lightweight, frequency response range 200Hz～10kHz, by signal cable, be connected with controller, to controller transmission vibration signal.
Controller of the present invention is fixed on insulator pillar.Controller is responsible for to modality vibration exciter power supply, and controls it and excite and stop, and meanwhile, controller is responsible for controlling acceleration transducer, receives the vibration wave signal through support insulator conduction, and this signal is sent to remote signaling receiver by wireless transmission method.Controller has many group interfaces, can control 3～9 groups of modality vibration exciters and acceleration transducer simultaneously, possesses the detectability that simultaneously detects 3～9 support insulators, and controller can adopt powered battery, also can adopt Power supply on the spot.
Signal receiver of the present invention adopts the communications cable to be connected with computing machine, the vibration signal that reception is transmitted by controller, and transmit signals to computing machine, by computer vibration signal analysis software, vibration signal is analyzed, judge and pick up flaw indication, vibration signal frequency spectrum and analysis result are shown on computer screen, and the support insulator of defect records, early warning to existing.
The signal that the wireless transmission method of controller of the present invention and signal receiver is realized between the two for built-in WIFI or GPRS wireless transport module in controller and signal receiver transmits.
The key issue that this invention solves: the mechanism of this invention is mainly to utilize vibroacoustics modality vibration exciter to produce vibration wave, vibration wave is propagated in support insulator, the factor such as material, architectural characteristic that is subject to support insulator affects its frequency, wave amplitude changes, and the vibration wave signal after change receives through acceleration transducer.Modality vibration exciter and acceleration transducer working position are support insulator ring flange, modality vibration exciter and acceleration transducer are controlled by controller, be installed on support insulator support, for control vibrator excite and the vibration signal of acceleration transducer receives, then vibration signal is transferred to receiver with wireless transmission method, receiver again by signal by wired cable transmission to computing machine, by the vibration analysis program of computing machine, automatically vibration signal is analyzed again, pick up flaw indication, to existing, the support insulator of defect records, early warning.
Useful result of the present invention: this invention has designed a kind of porcelain strut insulator vibroacoustics on-Line Monitor Device, adopt the method for Long-distance Control, wireless transmission that the signal of porcelain strut insulator vibroacoustics detection is gathered, and utilize program automatically signal to be analyzed, find to report to the police after defect.Collection position deviation when this device has been avoided artificial vibration Acoustic detection, has reduced the workload detecting, and has realized the on-line monitoring of employing vibroacoustics detection method to porcelain strut insulator.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is vibrational excitation of the present invention and signal acquiring system scheme of installation;
Fig. 2 is signal transmission of the present invention and analytic system schematic diagram.
1. modality vibration exciters in figure, 2. acceleration transducer, 3. controller, 4. signal receiver, 5. computing machine, 6. controls cable, 7. support insulator, 8. signal cable, 9. insulator pillar, the 10. communications cable, 11. antennas, 12. insulator brackets.
Embodiment
See Fig. 1, a kind of porcelain strut insulator vibroacoustics on-Line Monitor Device, feature of the present invention is, comprise by a modality vibration exciter 1, acceleration transducer 2 vibrational excitation and the signal acquiring system that connect and compose with a controller 3 respectively; By controller 3, connect signal receiver 4, the signal transmission that signal receiver 4 connection computing machines 5 form and analytic system totally two systems form.
Modality vibration exciter 1 of the present invention adopts contact or contactless, and is connected with controller 3 by controlling cable 6; Modality vibration exciter 1 applies vibration wave to support insulator under the control of controller 3; Vibration wave is by receiving its vibration signal by acceleration transducer 2 after support insulator.
The excited frequency of modality vibration exciter 1 of the present invention is 10Hz～10kHz, the frequency response range 200Hz～10kHz of acceleration transducer; Acceleration transducer 2 is fixed on support insulator 7 ring flanges; Acceleration transducer 2 is connected with controller 3 by signal cable 8; Signal receiver 4 by the communications cable be connected computing machine 5 and connect.
In Fig. 1, vibration exciter 1 is installed on insulator bracket 12, Position of Vibrating is support insulator 7 lower flange positions, acceleration transducer 2 adopt magnet fixing with support insulator 7 lower flanges on, and having certain distance with Position of Vibrating, each support insulator all adopts same position to install.Vibration exciter 1 is connected with controller 3 by controlling cable 6, and acceleration transducer 2 is connected with controller 3 by signal cable 8.Controller 3 has 3～9 group interfaces, can connect 3～9 vibration exciters 1 and acceleration transducer 2.Controller 3 is fixed on insulator pillar 9, employing battery or on the spot Power supply.
In Fig. 2, controller 3 adopts wireless transmission method to transmit with signal receiver 4.By controller 3, the acceleration transducer receiving 2 signals are sent by antenna 11, by signal receiver 4 antennas 11, received, there is again signal receiver 4 to send computing machine 5 to by the communications cable 10, by computing machine 5 analysis of vibration signal softwares, analyzed to the received signal, pick up flaw indication, to disordered insulator record, early warning.
Claims (4)
1. a porcelain strut insulator vibroacoustics on-Line Monitor Device, is characterized in that, comprise by a modality vibration exciter (1), acceleration transducer (2) vibrational excitation and the signal acquiring system that connect and compose with a controller (3) respectively; By controller (3), connect signal receiver (4), the signal transmission that signal receiver (4) connection computing machine (5) forms and analytic system totally two systems form.
2. a kind of porcelain strut insulator vibroacoustics on-Line Monitor Device according to claim 1, is characterized in that, modality vibration exciter (1) adopts contact or contactless, and is connected with controller (3) by controlling cable (6); Modality vibration exciter (1) applies vibration wave to support insulator under the control of controller (3); Vibration wave receives its vibration signal by acceleration transducer (2) after by support insulator.
3. a kind of porcelain strut insulator vibroacoustics on-Line Monitor Device according to claim 1, is characterized in that, the excited frequency of modality vibration exciter (1) is 10Hz～10kHz, the frequency response range 200Hz～10kHz of acceleration transducer; Acceleration transducer (2) is fixed on support insulator (7) ring flange; Acceleration transducer (2) is connected with controller (3) by signal cable (8); Signal receiver (4) by the communications cable be connected computing machine (5) and connect.
4. a kind of porcelain strut insulator vibroacoustics on-Line Monitor Device according to claim 1, it is characterized in that, it is upper that controller (3) is fixed on insulator pillar (9), and controller (3) is to adopt the mode of WIFI or GPRS to transmit with the wireless transmission method of signal receiver (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310624474.9A CN103592371A (en) | 2013-11-28 | 2013-11-28 | Porcelain post insulator vibration acoustic online monitoring apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310624474.9A CN103592371A (en) | 2013-11-28 | 2013-11-28 | Porcelain post insulator vibration acoustic online monitoring apparatus |
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| CN103592371A true CN103592371A (en) | 2014-02-19 |
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| CN201310624474.9A Pending CN103592371A (en) | 2013-11-28 | 2013-11-28 | Porcelain post insulator vibration acoustic online monitoring apparatus |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103913510A (en) * | 2014-03-28 | 2014-07-09 | 云南电力试验研究院（集团）有限公司电力研究院 | Collection device and method for vibration acoustic detection signal of ceramic support insulator |
| CN103954686A (en) * | 2014-03-24 | 2014-07-30 | 国家电网公司 | Porcelain post insulator mechanical state online monitoring system and monitoring method |
| CN106501362A (en) * | 2016-10-27 | 2017-03-15 | 国网新疆电力公司检修公司 | Porcelain strut insulator vibration flaw detection electrification detection system |
| CN111766031A (en) * | 2020-07-08 | 2020-10-13 | 国网上海市电力公司 | Vibration excitation head for vibration acoustic detection in power industry |
| CN112051337A (en) * | 2020-08-24 | 2020-12-08 | 国网宁夏电力有限公司电力科学研究院 | Isolator post insulator state detection device and detection method thereof |
| CN113340991A (en) * | 2021-06-21 | 2021-09-03 | 海南电网有限责任公司乐东供电局 | Vibration acoustic detection device for porcelain post insulator |
| CN113671037A (en) * | 2021-09-01 | 2021-11-19 | 杭州意能电力技术有限公司 | Post insulator vibration acoustic signal processing method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954686A (en) * | 2014-03-24 | 2014-07-30 | 国家电网公司 | Porcelain post insulator mechanical state online monitoring system and monitoring method |
| CN103913510A (en) * | 2014-03-28 | 2014-07-09 | 云南电力试验研究院（集团）有限公司电力研究院 | Collection device and method for vibration acoustic detection signal of ceramic support insulator |
| CN106501362A (en) * | 2016-10-27 | 2017-03-15 | 国网新疆电力公司检修公司 | Porcelain strut insulator vibration flaw detection electrification detection system |
| CN111766031A (en) * | 2020-07-08 | 2020-10-13 | 国网上海市电力公司 | Vibration excitation head for vibration acoustic detection in power industry |
| CN111766031B (en) * | 2020-07-08 | 2022-01-25 | 国网上海市电力公司 | Vibration excitation head for vibration acoustic detection in power industry |
| CN112051337A (en) * | 2020-08-24 | 2020-12-08 | 国网宁夏电力有限公司电力科学研究院 | Isolator post insulator state detection device and detection method thereof |
| CN113340991A (en) * | 2021-06-21 | 2021-09-03 | 海南电网有限责任公司乐东供电局 | Vibration acoustic detection device for porcelain post insulator |
| CN113671037A (en) * | 2021-09-01 | 2021-11-19 | 杭州意能电力技术有限公司 | Post insulator vibration acoustic signal processing method |
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Application publication date: 20140219 |