CN204422706U - A kind of GIS power frequency withstand test punctures locating device - Google Patents
A kind of GIS power frequency withstand test punctures locating device Download PDFInfo
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- CN204422706U CN204422706U CN201520070428.3U CN201520070428U CN204422706U CN 204422706 U CN204422706 U CN 204422706U CN 201520070428 U CN201520070428 U CN 201520070428U CN 204422706 U CN204422706 U CN 204422706U
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Abstract
The utility model relates to a kind of GIS power frequency withstand test and punctures locating device, comprise the power module, sensor assembly, wireless transmit locating module, the directs display module that connect successively, described sensor assembly comprises mechanical vibration sensor, sound transducer and piezoelectric acceleration transducer, described mechanical vibration sensor and described sound transducer are connected in parallel, and described mechanical vibration sensor and described sound transducer and described piezoelectric acceleration transducer are connected in series.The utility model device, without the need to dismantling GIS device, by analyzing the energy datum collected, can accurately judge point of discharge and electric discharge type, realizing fault and accurately locate.
Description
Technical field
The utility model belongs to high voltage installation experimental technique field, is specifically related to a kind of GIS power frequency withstand test and punctures locating device.
Background technology
In power industry, GIS is compared with traditional open type electrical equipment, and the advantages such as GIS is high with its compact conformation, operational reliability, be not subject to the impact of extraneous bad border, the time between overhauls(TBO) is long become the main flow equipment in extra-high voltage Force system gradually.But due to many reasons such as manufacture, transport, assembled in situ, inevitably there is the potential safety hazards such as insulation defect in GIS.Therefore, carry out withstand voltage test before GIS dispatches from the factory and before putting into operation to be very important.
The withstand voltage test of GIS not only can discovering device inherent vice, can also carry out seasoned process, burn tip or impurity, have inspection and restorer dielectric strength two kinds effect to equipment.But also there will be permanent disruptive discharge when carrying out withstand voltage test.Due to the high sealing characteristic of GIS device, once generation breakdown fault, how fast searching trouble location is a difficult problem for a long-standing problem manufacturing plant and run unit, repeatedly segmentation often to be adopted to repeat pressurization, rely on human auditory system to judge, but also keep away and unavoidably equipment is repeatedly dismantled, not only injury device but also delay the duration.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of without the need to dismantling GIS device, the GIS power frequency withstand test of accurate localizing faults can puncture locating device.
For solving the problems of the technologies described above, a kind of GIS power frequency withstand test that the utility model provides punctures locating device, comprise the power module, sensor assembly, wireless transmit locating module, the directs display module that connect successively, described sensor assembly comprises mechanical vibration sensor, sound transducer and piezoelectric acceleration transducer, described mechanical vibration sensor and described sound transducer are connected in parallel, and described mechanical vibration sensor and described sound transducer and described piezoelectric acceleration transducer are connected in series.
Preferably; described piezoelectric acceleration transducer and the connecting circuit of wireless transmit locating module comprise the protection circuit one, charge amplifier, amplifier, absolute value circuit, low-pass filter, the protection circuit two that are connected successively, and wherein said amplifier quantity is 2.
Preferably, described wireless transmit locating module comprises analog to digital conversion circuit.
Preferably, described GIS power frequency withstand test punctures locating device and is also provided with print record module, is connected with described wireless transmit locating module by wireless network.
Preferably, described power module is also connected with solar storage battery module.
The beneficial effects of the utility model are:
1, the vibration signal comprising mechanical vibration and acoustical vibration is received by sensor assembly; through protection circuit, signal amplification, noise, interference filtering etc.; be sent to wireless transmit locating module; the energy datum of partial discharge test at measurement point is obtained after A/D conversion, weighting process; by analyzing the energy datum collected; thus judge point of discharge and electric discharge type, realize the object that fault is accurately located.
2, by directs display module and print record module, reading and the record of related data is realized.
3, device adopts wireless connections, and handled easily personnel control at far-end, the injury caused operating personnel due to high pressure when avoiding testing.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is described in further detail.
Fig. 1 is the structural representation that GIS power frequency withstand test punctures locating device.
Fig. 2 is the circuit theory diagrams that GIS power frequency withstand test punctures locating device signal transacting.
Embodiment
As shown in Figure 1, GIS power frequency withstand test punctures locating device and comprises the power module 1 connected successively, sensor assembly 2, wireless transmit locating module 3, directs display module 4, print record module 5, described sensor assembly 2 comprises mechanical vibration sensor 6, sound transducer 7 and piezoelectric acceleration transducer 8, described mechanical vibration sensor 6 and described sound transducer 7 are connected in parallel, described mechanical vibration sensor 6 and described sound transducer 7 are connected in series with described piezoelectric acceleration transducer 8, described print record module 5 is connected with described wireless transmit locating module 3 by wireless network, described power module 1 is also connected with solar storage battery module 9.
As shown in Figure 2; described piezoelectric acceleration transducer 8 and the connecting circuit of wireless transmit locating module 3 comprise the protection circuit one, charge amplifier, amplifier, absolute value circuit, low-pass filter, the protection circuit two that are connected successively; wherein said amplifier quantity is 2, and described wireless transmit locating module 3 comprises analog to digital conversion circuit.
Principle of work: when carrying out GIS power frequency withstand test, along with the rising of GIS partial discharge test voltage, pressure wave is produced in the moment of shelf depreciation, this ripple can to the barrel generation vibration by a small margin of gas insulated combined electrical equipment, mechanical vibration sensor 6 detects mechanical oscillation signal, sound transducer 7 detects sound vibration signal, and mechanical oscillation signal and sound vibration signal are sent to piezoelectric acceleration transducer 8, two signals are by protection circuit one, through amplifying, after absolute value circuit process, again by low-pass filter denoising, interference filtering, the signal of gained is sent to wireless transmit locating module 3, digital signal is converted to by analog to digital conversion circuit, the energy datum of partial discharge test at measurement point is obtained through weighting process, the data of each measurement point are compared simultaneously, thus local point of discharge is positioned, and electric discharge type is identified, locating information and electric discharge type data are sent to directs display module 4 show, be sent to print record module 5 to preserve test data by wireless network simultaneously.
Above-mentioned process of the test, without the need to dismantling GIS device, by analyzing the energy datum collected, can accurately judge point of discharge and electric discharge type, realizing fault and accurately locate; By directs display module 4 and print record module 5, realize reading and the record of related data; Device adopts wireless connections, and handled easily personnel control at far-end, due to injury that high pressure causes operating personnel when avoiding test.
Above-mentioned explanation is exemplary and nonrestrictive, and can recognize that many kinds of the present utility model change and distortion by above-mentioned explanation those skilled in the art, it also will drop within essence of the present utility model and scope.
Claims (6)
1. a GIS power frequency withstand test punctures locating device, it is characterized in that: comprise the power module, sensor assembly, wireless transmit locating module, the directs display module that connect successively, described sensor assembly comprises mechanical vibration sensor, sound transducer and piezoelectric acceleration transducer, described mechanical vibration sensor and described sound transducer are connected in parallel, and described mechanical vibration sensor and described sound transducer and described piezoelectric acceleration transducer are connected in series.
2. GIS power frequency withstand test according to claim 1 punctures locating device, it is characterized in that: described piezoelectric acceleration transducer and the connecting circuit of wireless transmit locating module comprise the protection circuit one, charge amplifier, amplifier, absolute value circuit, low-pass filter, the protection circuit two that are connected successively.
3. GIS power frequency withstand test according to claim 2 punctures locating device, it is characterized in that: described amplifier quantity is 2.
4. GIS power frequency withstand test according to claim 1 punctures locating device, it is characterized in that: described wireless transmit locating module comprises analog to digital conversion circuit.
5. GIS power frequency withstand test according to claim 1 punctures locating device, it is characterized in that: described GIS power frequency withstand test punctures locating device and is also provided with print record module, is connected with described wireless transmit locating module by wireless network.
6. GIS power frequency withstand test according to claim 1 punctures locating device, it is characterized in that: described power module is also connected with solar storage battery module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520070428.3U CN204422706U (en) | 2015-02-02 | 2015-02-02 | A kind of GIS power frequency withstand test punctures locating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520070428.3U CN204422706U (en) | 2015-02-02 | 2015-02-02 | A kind of GIS power frequency withstand test punctures locating device |
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| CN204422706U true CN204422706U (en) | 2015-06-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105242180A (en) * | 2015-08-31 | 2016-01-13 | 中国西电电气股份有限公司 | GIL/GIS discharge source detection and positioning apparatus and method |
| CN108226732A (en) * | 2018-04-09 | 2018-06-29 | 莆田学院 | A kind of insulating material structure overpressure resistance detecting device and method |
| CN112904188A (en) * | 2019-11-19 | 2021-06-04 | 中国南方电网有限责任公司超高压输电公司贵阳局 | GIS equipment abnormal sound vibration defect identification method based on acoustic emission analysis technology |
-
2015
- 2015-02-02 CN CN201520070428.3U patent/CN204422706U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105242180A (en) * | 2015-08-31 | 2016-01-13 | 中国西电电气股份有限公司 | GIL/GIS discharge source detection and positioning apparatus and method |
| CN108226732A (en) * | 2018-04-09 | 2018-06-29 | 莆田学院 | A kind of insulating material structure overpressure resistance detecting device and method |
| CN108226732B (en) * | 2018-04-09 | 2024-04-09 | 莆田学院 | Insulation material structure pressure-resistant detection device and method |
| CN112904188A (en) * | 2019-11-19 | 2021-06-04 | 中国南方电网有限责任公司超高压输电公司贵阳局 | GIS equipment abnormal sound vibration defect identification method based on acoustic emission analysis technology |
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Granted publication date: 20150624 Termination date: 20200202 |
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| CF01 | Termination of patent right due to non-payment of annual fee |