CN202885962U - Detection and analytic system for gas insulation composite apparatus shell vibration signal in service - Google Patents
Detection and analytic system for gas insulation composite apparatus shell vibration signal in service Download PDFInfo
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- CN202885962U CN202885962U CN 201220540553 CN201220540553U CN202885962U CN 202885962 U CN202885962 U CN 202885962U CN 201220540553 CN201220540553 CN 201220540553 CN 201220540553 U CN201220540553 U CN 201220540553U CN 202885962 U CN202885962 U CN 202885962U
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- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 238000009413 insulation Methods 0.000 title abstract description 3
- 239000002131 composite material Substances 0.000 title abstract 2
- 230000001133 acceleration Effects 0.000 claims abstract description 22
- 238000012360 testing method Methods 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 abstract description 4
- 230000003321 amplification Effects 0.000 abstract description 3
- 230000003750 conditioning effect Effects 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 3
- 230000007257 malfunction Effects 0.000 abstract description 2
- 238000004458 analytical method Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000010183 spectrum analysis Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 229940099259 vaseline Drugs 0.000 description 1
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Abstract
The utility model relates to the field of electrical equipment malfunction detection, and especially discloses a detection and analytic system for a gas insulation composite apparatus shell vibration signal in service. The detection and analytic system is characterized by comprising an oscillating acceleration sensor (2) arranged on a GIS (geographic information system) shell (1), wherein a signal output end of the oscillating acceleration sensor (2) is connected with an upper computer (7) sequentially through a signal conditioning unit (4) and a signal acquisition unit (5), and the upper computer (7) can carry out detection and analysis on the received signal. The test proves that the system provided by the utility model can be adopted to carry out detection and analysis on the vibration signal of the GIS shell in service, the system adopts the oscillating acceleration sensor to carry out sensing on the vibration signal, the sensor closely clings to the GIS shell for measurement, and the normal operation of GIS is not affected; and the vibration signal sensed by the sensor can be sent to the signal acquisition unit through signal conditionings such as filtration and amplification, and then sent the upper computer to be collected and analyzed.
Description
Technical field
The utility model relates to the electrical equipment malfunction detection field, especially a kind of detection and analytic system of gas insulated combined electrical equipment shell vibration signal in service.
Background technology
Along with the electric pressure of electrical network improves constantly, gas insulated combined electrical equipment (GIS) is widely used in electrical network owing to have the advantage that volume is little, reliable, be convenient to safeguard.In the actual motion of GIS, the mechanical fault that meeting causes in reasons such as installation, long-distance transports owing to equipment, when, housing docking imbalance unusual such as switch contact contact, guide rod slight bending etc., discharging fault can not occur in this moment, but because the GIS that the alternation electric power that alternating current produces in the mechanical force of switching manipulation, conductor, the electromagnetic force that transformer iron core produces etc. can cause produces the mechanicalness motion, because the existence of mechanical fault, it can produce unusual vibration signal outside normal vibration.The Long-term Vibration of GIS may make bolt looseness, causes gas leakage, and pressure decreased causes insulation fault; Can cause damage to insulator and insulated column; Can affect the firm of earthing of casing point.
Therefore, strengthen the detection to GIS mechanicalness fault, particularly the vibration by shell detects in the operational process of GIS, and then its mechanical fault is analyzed, and is the important means that guarantees the GIS safe operation.
The utility model content
The purpose of this utility model provides a kind of detection and analytic system of gas insulated combined electrical equipment shell vibration signal in service, can the vibration signal of GIS shell in service be detected and analyze.
A kind of detection and analytic system of gas insulated combined electrical equipment shell vibration signal in service, its special feature is: comprise the vibration acceleration sensor that is installed on the GIS shell, the signal output part of this vibration acceleration sensor is connected with host computer, thereby is detected to the received signal and analyzed by host computer by signal condition unit, signal gathering unit successively.
Wherein vibration acceleration sensor is connected with the signal condition unit by signal cable.
Wherein signal gathering unit is connected with host computer by the USB connecting line.
Wherein the test section of vibration acceleration sensor directly contacts with the GIS shell.
Wherein the signal condition unit is comprised of bandpass filter and the amplifier of series connection.
Through evidence, adopt system of the present utility model to detect and to analyze GIS shell vibration signal in service, this system adopts vibration acceleration sensor to carry out the sensing of vibration signal, and sensor is close to the GIS shell and measures, and does not affect the normal operation of GIS.Send into signal gathering unit behind the signal conditions such as the vibration signal process filtering that sensor senses obtains and amplification, signal gathering unit is sent the digital signal that collects into host computer and is gathered and analyze.Vibration acceleration sensor can be moved at GIS shell diverse location during use, thereby different location points is carried out the detection of vibration signal, testing result is accurate, with a high credibility, has filled up domestic blank of GIS being carried out charged vibration detection.
Description of drawings
Accompanying drawing 1 is logic schematic diagram of the present utility model;
Accompanying drawing 2 is the schematic diagram of signal condition unit (4) in the utility model;
Accompanying drawing 3 is the process flow diagram of the utility model upper computer software.
Embodiment
As shown in Figure 1, the utility model is a kind of detection and analytic system of gas insulated combined electrical equipment shell vibration signal in service, comprise the vibration acceleration sensor 2 that is installed on the GIS shell 1, the signal output part of this vibration acceleration sensor 2 is connected with host computer 7, thereby is detected to the received signal and analyzed by host computer 7 by signal condition unit 4, signal gathering unit 5 successively.As shown in Figure 2, as shown in Figure 2, signal condition unit 4 is comprised of bandpass filter and the amplifier of series connection.
Wherein vibration acceleration sensor 2 is connected with signal condition unit 4 by signal cable 3, and signal gathering unit 5 is connected with host computer 7 by USB connecting line 6, and the test section of vibration acceleration sensor 2 directly contacts with GIS shell 1 in addition.
Principle of work of the present utility model is:
The inner guide rod of GIS in the operational process large electric current that can circulate, when GIS exists such as mechanical faults such as guide rod loose contacts, can under the excitation of electric current, produce unusual vibration signal at shell, native system adopts the vibration acceleration sensor 2 that is close to GIS shell 1 place to carry out the measurement of vibration signal, vibration acceleration sensor 2 frequency ranges are 0～4kHz, and sensitivity is 300mV/ms
-2
Vibration signal is by signal (shielding) cable 3 entering signal conditioning units 4, and signal condition unit 4 carries out filtering and amplification with signal, and wherein the bandpass filter bandwidth is 0～4kHz, and 0～160 times of amplifier magnification ratio is adjustable, and bandwidth is 3MHz.
Enter signal gathering unit 5 behind the signal process signal condition unit 4 and gather, signal gathering unit 5 sampling rates are 200kHz.Signal gathering unit 5 is signal digitalized processing, and by USB interface signal sent into host computer 7, and host computer 7 can show the time domain waveform of signal and provide result of spectrum analysis.
Fig. 1 is application synoptic diagram of the present utility model, wherein vibration acceleration sensor 2 is close to GIS shell 1 in service and carries out the measurement of vibration signal, thereby can smear vaseline with sensor and GIS shell 1 close contact at sensor surface.The signal that vibration acceleration sensor 2 is measured passes through signal condition unit 4 through filtering and access signal gathering unit 5 collections after amplifying, and the digital signal after gathering is sent into realization and the result of spectrum analysis that host computer 7 carries out time domain waveform by USB interface.In the actual tests, the needs according to the reality test can move vibration acceleration sensor 2, thereby different location points be carried out the detection of vibration signal at GIS shell 1 diverse location.
Claims (5)
1. detection and the analytic system of a gas insulated combined electrical equipment shell vibration signal in service, it is characterized in that: comprise the vibration acceleration sensor (2) that is installed on the GIS shell (1), the signal output part of this vibration acceleration sensor (2) is connected with host computer (7), thereby is detected to the received signal and analyzed by host computer (7) by signal condition unit (4), signal gathering unit (5) successively.
2. detection and the analytic system of a kind of gas insulated combined electrical equipment shell vibration signal in service as claimed in claim 1 is characterized in that: wherein vibration acceleration sensor (2) is connected with signal condition unit (4) by signal cable (3).
3. detection and the analytic system of a kind of gas insulated combined electrical equipment shell vibration signal in service as claimed in claim 1 is characterized in that: wherein signal gathering unit (5) is connected with host computer (7) by USB connecting line (6).
4. detection and the analytic system of a kind of gas insulated combined electrical equipment shell vibration signal in service as claimed in claim 1, it is characterized in that: wherein the test section of vibration acceleration sensor (2) directly contacts with GIS shell (1).
5. such as detection and the analytic system of the described a kind of gas insulated combined electrical equipment shell vibration signal in service of any one in the claim 1 to 4, it is characterized in that: wherein signal condition unit (4) are comprised of bandpass filter and the amplifier of series connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220540553 CN202885962U (en) | 2012-10-22 | 2012-10-22 | Detection and analytic system for gas insulation composite apparatus shell vibration signal in service |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220540553 CN202885962U (en) | 2012-10-22 | 2012-10-22 | Detection and analytic system for gas insulation composite apparatus shell vibration signal in service |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202885962U true CN202885962U (en) | 2013-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220540553 Expired - Fee Related CN202885962U (en) | 2012-10-22 | 2012-10-22 | Detection and analytic system for gas insulation composite apparatus shell vibration signal in service |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105021272A (en) * | 2014-04-29 | 2015-11-04 | 国网山西省电力公司电力科学研究院 | High-pressure GIS device vibration monitoring system |
| CN105115684A (en) * | 2015-08-24 | 2015-12-02 | 国家电网公司 | Gas insulated switchgear vibration signal propagation property test apparatus and method |
| CN105352589A (en) * | 2015-10-13 | 2016-02-24 | 广西电网有限责任公司电力科学研究院 | Device and method for testing distribution characteristics of vibration signals of gas insulation combined electric appliance |
| CN105628419A (en) * | 2015-12-18 | 2016-06-01 | 国网安徽省电力公司 | System and method of diagnosing GIS (Gas Insulated Switchgear) mechanical defects based on independent component analysis denoising |
| CN107560657A (en) * | 2017-09-26 | 2018-01-09 | 北京铁路局保定工务段 | A kind of sound barrier monitoring system and method |
| 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 |
-
2012
- 2012-10-22 CN CN 201220540553 patent/CN202885962U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105021272A (en) * | 2014-04-29 | 2015-11-04 | 国网山西省电力公司电力科学研究院 | High-pressure GIS device vibration monitoring system |
| CN105115684A (en) * | 2015-08-24 | 2015-12-02 | 国家电网公司 | Gas insulated switchgear vibration signal propagation property test apparatus and method |
| CN105115684B (en) * | 2015-08-24 | 2017-09-15 | 国家电网公司 | Vibration signal propagation characteristic experimental rig and method in gas insulated combined electrical equipment |
| CN105352589A (en) * | 2015-10-13 | 2016-02-24 | 广西电网有限责任公司电力科学研究院 | Device and method for testing distribution characteristics of vibration signals of gas insulation combined electric appliance |
| CN105628419A (en) * | 2015-12-18 | 2016-06-01 | 国网安徽省电力公司 | System and method of diagnosing GIS (Gas Insulated Switchgear) mechanical defects based on independent component analysis denoising |
| CN107560657A (en) * | 2017-09-26 | 2018-01-09 | 北京铁路局保定工务段 | A kind of sound barrier monitoring system and method |
| 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 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20181022 |
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| CF01 | Termination of patent right due to non-payment of annual fee |