CN107271022A - A kind of transformer vibration noise Integrated Measurement System - Google Patents
A kind of transformer vibration noise Integrated Measurement System Download PDFInfo
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- CN107271022A CN107271022A CN201710401116.XA CN201710401116A CN107271022A CN 107271022 A CN107271022 A CN 107271022A CN 201710401116 A CN201710401116 A CN 201710401116A CN 107271022 A CN107271022 A CN 107271022A
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- 238000005259 measurement Methods 0.000 title claims abstract description 90
- 238000009530 blood pressure measurement Methods 0.000 claims abstract description 27
- 239000000523 sample Substances 0.000 claims abstract description 4
- 239000002828 fuel tank Substances 0.000 claims description 12
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000007726 management method Methods 0.000 description 21
- 230000009466 transformation Effects 0.000 description 5
- 238000010183 spectrum analysis Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010219 correlation analysis Methods 0.000 description 3
- 238000007405 data analysis Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005802 health problem Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000004454 trace mineral analysis Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
A kind of transformer vibration noise Integrated Measurement System, is made up of wireless acoustic pressure measurement module (1), wireless sound intensity measurement module (2), wireless vibration measurement module (3), data center management module (12) and computer (13).Wireless acoustic pressure measurement module (1) is made up of sound pressure sensor and acoustic pressure collection transmitting element, gathers transformer acoustic pressure data.Wireless sound intensity measurement module (2) is made up of Sound intensity probe and sound intensity collection transmitting element, gathers transformer sound intensity data.Wireless vibration measurement module (3) is made up of vibrating sensor and vibration acquisition transmitting element, gathers transformer vibration data.Acoustic pressure, the sound intensity and vibration data are wirelessly transmitted to data center management module.The data that computer is stored and analyze data center management module is received.
Description
Technical field
The present invention relates to a kind of transformer vibration noise comprehensive measurement device.
Background technology
With the fast development in city, electricity needs increasingly rises, and transformer noise problem is increasingly protruded, and resident is given birth to
Life birth life has a strong impact on, and is important an environmental problem and health problem.Made an uproar in addition, abnormal vibration occurs in high-power transformer
During message, specific defect or failure often correspond to.So, transformer vibration and noise is analyzed, and in this base
Noise Sources Identification is carried out on plinth and the problem of noise reduction measure is paid close attention to as power department is taken.
High-power transformer is complicated, and theoretical calculation is difficult accurate generation and the propagation law for analyzing noise, so, become
Depressor vibrates and the measurement of noise is very necessary.The transformer noise that single noise measurement system is measured is to include surrounding environment
The integrated noise of influence, tends not to accurately reflect the truth in transformer noise source.Multichannel measuring apparatus can be simultaneously
The noise and vibration data of multiple measuring points are measured, noise and the vibration measurement of high-power transformer is particularly suitable for use in.But, current
Multi-channel noise or vibration measurement device, measurement sensor and analyzer are connected by wired mode, the simulation that sensor is obtained
Signal is sent to analyzer by transmission line and handled.Measurement channel number is more, the transmission line of connection sensor and analyzer
More, field wiring is more complicated, and measurement efficiency is lower.Particularly with high-power transformer, various data line is not only limited
The flexibility of measurement, and add the potential safety hazard worked under high-tension measurement environment.And when there are many measuring points, lead to more
The port number extension cost of trace analysis instrument is higher.
The content of the invention
In order to overcome the shortcomings of above-mentioned existing method, the present invention proposes a kind of transformer vibration noise Integrated Measurement System.
The present invention transmits wirelessly mode using data, it is to avoid a large amount of wirings in scene, improves measurement efficiency, security and passage and easily extends
Property, available for the acoustic pressure of transformer, the sound intensity and the synchro measure of vibration.
To achieve the above object, the present invention is achieved through the following technical solutions.
A kind of transformer vibration noise Integrated Measurement System, by wireless acoustic pressure measurement module, wireless sound intensity measurement module, nothing
Linearly coupled measurement module, data center management module and computer composition.Wireless acoustic pressure measurement module, wireless sound intersity measurement mould
Without direct physical connection between block, wireless vibration measurement module, data center management module.Data center management module and
Computer is directly connected to.Wireless acoustic pressure measurement module collection acoustic pressure data is wirelessly sent to data center management module.Wireless sound
Strong measurement module collection sound intensity data are wirelessly sent to data center management module.Wireless vibration measurement module gathers vibration data
It is wirelessly sent to data center management module.The data that data center collects are transmitted directly to computer.
Described wireless acoustic pressure measurement module is connected with acoustic pressure collection transmitting element by sound pressure sensor and constituted, and gathers transformation
The acoustic pressure data of device noise.
Described wireless sound intensity measurement module is connected with sound intensity collection transmitting element by Sound intensity probe and constituted, and gathers transformation
The sound intensity data of device noise.
Described wireless vibration measurement module is connected by vibrating sensor with vibration acquisition transmitting element to be constituted, and gathers transformation
Device vibration data.
Described wireless acoustic pressure measurement module and wireless sound intensity measurement module are individually fixed on tripod.According to transformer
Fuel tank highly determines the laying height of sound pressure sensor.Fuel tank is highly less than 2.5m, lays the water that height is located at fuel tank height 1/2
In plane.Fuel tank is highly higher than 2.5m, and sound pressure sensor is laid on the horizontal plane at the 1/3 and 2/3 of fuel tank height respectively.
Described wireless vibration measurement module is fixed on vibration measurement face by magnet.Vibration measurement face includes transformer
The surface of oil tank wall and fuel tank reinforcement.Vibration measurement face is uniformly or non-uniformly divided into several measured zones, vibration is passed
Sensor is placed in the center in each region.
Described wireless acoustic pressure measurement module, wireless sound intensity measurement module, wireless vibration measurement module can have multiple.
Described wireless acoustic pressure measurement module, wireless sound intensity measurement module, wireless vibration measurement module itself have independent
Data acquisition function, and data center management module is without direct physical connection.Wireless acoustic pressure measurement module, wireless sound intersity measurement
Module and wireless vibration measurement module and data center management module composition radio communication network, the data of collection are wirelessly sent to number
According to center management module, carry out data transmission.
Described wireless acoustic pressure measurement module, wireless sound intensity measurement module and wireless vibration measurement module difference synchronous acquisition
Transformer acoustic pressure, the sound intensity and vibration signal.
Described data center management module is connected with computer.Computer has data storage and data analysis function,
Spectrum analysis and correlation analysis are carried out to the acoustic pressure of collection, the sound intensity and vibration signal.
Brief description of the drawings
Fig. 1 transformer noises and vibration measurement embodiment schematic diagram；Wherein, 1 wireless acoustic pressure measurement module, 2 wireless sounds
Strong measurement module, 3 wireless vibration measurement modules, 4 vibration measurement faces, 5 tripods.
Fig. 2 transformer vibration noise Integrated Measurement System structural representations；Wherein, 1 wireless acoustic pressure measurement module, 2 is wireless
Sound intersity measurement module, 3 wireless vibration measurement modules, 6 sound pressure sensors, 7 Sound intensity probes, 8 vibrating sensors, the collection of 9 acoustic pressures
Transmitting element, 10 sound intensitys collection transmitting element, 11 vibration acquisition transmitting elements, 12 data center management modules, 13 computers；
Fig. 3 noise and vibration data analysis flowcharts.
Embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
As shown in Fig. 2 transformer vibration noise Integrated Measurement System of the present invention is by wireless acoustic pressure measurement module 1, wireless sound
Strong measurement module 2, wireless vibration measurement module 3, data center management module 12 and computer 13 are constituted.Wireless sound pressure measurement mould
Without direct physical connection between block, wireless sound intensity measurement module, wireless vibration measurement module, data center management module.
Data center management module and computer connection.Wireless acoustic pressure measurement module collection acoustic pressure data is wirelessly sent to data center's pipe
Manage module.Wireless sound intensity measurement module collection sound intensity data are wirelessly sent to data center management module.Wireless vibration measures mould
Block collection vibration data is wirelessly sent to data center management module.The data that data center collects are transmitted directly to computer.
Described wireless acoustic pressure measurement module 1 gathers the acoustic pressure data of transformer noise, and wireless sound intensity measurement module 2 is gathered
Transformer noise sound intensity data；Wireless vibration measurement module 3 gathers transformer vibration data；It is wireless acoustic pressure measurement module 1, wireless
Sound intersity measurement module 2, wireless vibration measurement module 3 and data center management module 12 are without direct physical connection.Wireless acoustic pressure is surveyed
Measure module 1, wireless sound intensity measurement module 2 and the difference of wireless vibration measurement module 3 synchronous acquisition transformer noise acoustic pressure, the sound intensity and
Transformer vibration signal, data center management module 12 is wirelessly transmitted to by above-mentioned signal.Data center management module 12 and meter
Calculation machine 13 is connected, and is stored data into computer 13 and is analyzed.
Sound pressure sensor 6 is connected the wireless acoustic pressure measurement module 1 of composition with acoustic pressure collection transmitting element 9.The transaudient strong biography of acoustic pressure
Sensor 7 is connected the wireless sound intensity measurement module 2 of composition with sound intensity collection transmitting element 10.Vibrating sensor 8 is sent with vibration acquisition
The connection composition wireless vibration of unit 11 measurement module 3.
As shown in figure 1, wireless acoustic pressure measurement module 1 and wireless sound intensity measurement module 2 can have multiple, tripod is fixed on
On 5.The laying height of sound pressure sensor is highly determined according to oil tank of transformer.Fuel tank is highly less than 2.5m, lays height and is located at
On the horizontal plane of fuel tank height 1/2.Fuel tank is highly higher than 2.5m, and sound pressure sensor is laid in the 1/3 and 2/3 of fuel tank height respectively
On the horizontal plane at place.
Wireless vibration measurement module 3 can have multiple, be fixed on by magnet on vibration measurement face 4.Wrap in vibration measurement face 4
Tank wall containing transformer oil and fuel tank reinforcement surface.Vibration measurement face 4 is uniformly or non-uniformly divided into several measurement sub-districts
Domain, wireless vibration measurement module is placed in every sub-regions center.
The course of work using measuring system of the present invention is as follows：
Synchro measure transformer noise of the present invention and vibration.Using acoustic pressure and sound intensity two methods measuring transformer noise.
The acoustic pressure and sound intensity signal of wireless acoustic pressure measurement module 1 and wireless sound intensity measurement module 2 difference measuring transformer noise, wirelessly shake
The dynamic measuring transformer surface vibration signals of measurement module 3.Wireless acoustic pressure measurement module 1, wireless sound intensity measurement module 2 and wirelessly shake
Dynamic measurement module 3 distinguishes acoustic pressure, the sound intensity and the transformer vibration signal of synchronous acquisition transformer noise, and above-mentioned signal is wirelessly sent out
Deliver to data center management module 12.Data center management module 12 transfers data to computer 13.
As shown in figure 3, computer 13 stores acoustic pressure, the sound intensity and the vibration data of collection, and spectrum analysis is carried out to data
And correlation analysis.Spectrum analysis, including Fourier transformation and third-octave analysis are carried out to acoustic pressure and sound intensity signal, is surveyed
Measure the frequency characteristic of transformer noise.Spectrum analysis, including Fourier transformation and third-octave analysis are carried out to vibration signal,
Obtain the frequency characteristic of measuring transformer vibration.Correlation analysis is carried out to transformer noise signal and vibration signal, extract with
The related noise of transformer vibration, eliminates the influence of other noises of environment.
Claims (6)
1. a kind of transformer vibration noise Integrated Measurement System, it is characterised in that：Described measuring system is by wireless sound pressure measurement
Module (1), wireless sound intensity measurement module (2), wireless vibration measurement module (3), data center management module (12) and computer
(13) constitute；Described wireless acoustic pressure measurement module (1) gathers the acoustic pressure data of transformer noise, wireless sound intensity measurement module
(2) transformer noise sound intensity data are gathered；Wireless vibration measurement module (3) gathers transformer vibration data；Wireless sound pressure measurement
Module (1), wireless sound intensity measurement module (2) and wireless vibration measurement module (3) are respectively by the transformer noise sound of synchronous acquisition
Pressure, the sound intensity and transformer vibration signal are wirelessly transmitted to data center management module (12), data center management module (12) with
Computer (13) is connected, and is stored data into computer (13) and is analyzed.
2. transformer vibration noise Integrated Measurement System according to claim 1, it is characterised in that：Described wireless acoustic pressure
Measurement module (1) is connected and constituted by sound pressure sensor (6) and acoustic pressure collection transmitting element (9).
3. transformer vibration noise Integrated Measurement System according to claim 1, it is characterised in that：The described wireless sound intensity
Measurement module (2) is connected and constituted by Sound intensity probe (7) and sound intensity collection transmitting element (10).
4. transformer vibration noise Integrated Measurement System according to claim 1, it is characterised in that：Described wireless vibration
Measurement module (3) is connected with vibration acquisition transmitting element (11) by vibrating sensor (8) and constituted.
5. transformer vibration noise Integrated Measurement System according to claim 1, it is characterised in that：Described wireless acoustic pressure
Measurement module (1) and wireless sound intensity measurement module (2) are fixed on tripod.
6. transformer vibration noise Integrated Measurement System according to claim 1, it is characterised in that：The described wireless sound intensity
Vibration module (3) is fixed on vibration measurement face by magnet；Vibration measurement face includes transformer oil tank wall and fuel tank reinforcement
Surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710401116.XA CN107271022A (en) | 2017-05-31 | 2017-05-31 | A kind of transformer vibration noise Integrated Measurement System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710401116.XA CN107271022A (en) | 2017-05-31 | 2017-05-31 | A kind of transformer vibration noise Integrated Measurement System |
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| CN107271022A true CN107271022A (en) | 2017-10-20 |
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| CN201710401116.XA Pending CN107271022A (en) | 2017-05-31 | 2017-05-31 | A kind of transformer vibration noise Integrated Measurement System |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109033612A (en) * | 2018-07-20 | 2018-12-18 | 广西电网有限责任公司电力科学研究院 | A kind of Diagnosis Method of Transformer Faults based on vibration noise and BP neural network |
| CN109708748A (en) * | 2019-02-01 | 2019-05-03 | 国网山东省电力公司昌乐县供电公司 | The vibration of substation's GIS combination electric appliance and noise abnormal failure localization method |
| CN109916612A (en) * | 2019-03-28 | 2019-06-21 | 国网宁夏电力有限公司电力科学研究院 | GIS mechanical breakdown electrification detection system based on acoustics imaging |
| CN110988547A (en) * | 2019-12-17 | 2020-04-10 | 国网江苏省电力有限公司检修分公司 | Power grid phase modulator state monitoring system |
| CN112150744A (en) * | 2020-09-24 | 2020-12-29 | 国网山东省电力公司临沂供电公司 | Transformer vibration noise abnormity analysis early warning system |
| CN115240691A (en) * | 2022-09-23 | 2022-10-25 | 山西振中电力股份有限公司 | Substation equipment running state monitoring control system based on data analysis |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884415A (en) * | 2014-03-25 | 2014-06-25 | 国家电网公司 | Transformer vibration monitoring system based on wireless sensing technology and testing method |
| CN104792399A (en) * | 2015-03-12 | 2015-07-22 | 国网浙江海盐县供电公司 | Online noise monitoring device for power distribution transformer |
| CN105606933A (en) * | 2016-01-13 | 2016-05-25 | 中国南方电网有限责任公司超高压输电公司 | Vibration-noise-based on-line monitoring system of converter transformer |
| CN205843807U (en) * | 2016-07-22 | 2016-12-28 | 国家电网公司 | A kind of transformer DC magnetic bias state-detection Noise Acquisition device |
-
2017
- 2017-05-31 CN CN201710401116.XA patent/CN107271022A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884415A (en) * | 2014-03-25 | 2014-06-25 | 国家电网公司 | Transformer vibration monitoring system based on wireless sensing technology and testing method |
| CN104792399A (en) * | 2015-03-12 | 2015-07-22 | 国网浙江海盐县供电公司 | Online noise monitoring device for power distribution transformer |
| CN105606933A (en) * | 2016-01-13 | 2016-05-25 | 中国南方电网有限责任公司超高压输电公司 | Vibration-noise-based on-line monitoring system of converter transformer |
| CN205843807U (en) * | 2016-07-22 | 2016-12-28 | 国家电网公司 | A kind of transformer DC magnetic bias state-detection Noise Acquisition device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109033612A (en) * | 2018-07-20 | 2018-12-18 | 广西电网有限责任公司电力科学研究院 | A kind of Diagnosis Method of Transformer Faults based on vibration noise and BP neural network |
| CN109033612B (en) * | 2018-07-20 | 2023-05-05 | 广西电网有限责任公司电力科学研究院 | Transformer fault diagnosis method based on vibration noise and BP neural network |
| CN109708748A (en) * | 2019-02-01 | 2019-05-03 | 国网山东省电力公司昌乐县供电公司 | The vibration of substation's GIS combination electric appliance and noise abnormal failure localization method |
| CN109916612A (en) * | 2019-03-28 | 2019-06-21 | 国网宁夏电力有限公司电力科学研究院 | GIS mechanical breakdown electrification detection system based on acoustics imaging |
| CN110988547A (en) * | 2019-12-17 | 2020-04-10 | 国网江苏省电力有限公司检修分公司 | Power grid phase modulator state monitoring system |
| CN112150744A (en) * | 2020-09-24 | 2020-12-29 | 国网山东省电力公司临沂供电公司 | Transformer vibration noise abnormity analysis early warning system |
| CN115240691A (en) * | 2022-09-23 | 2022-10-25 | 山西振中电力股份有限公司 | Substation equipment running state monitoring control system based on data analysis |
| CN115240691B (en) * | 2022-09-23 | 2022-12-06 | 山西振中电力股份有限公司 | Substation equipment running state monitoring control system based on data analysis |
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Application publication date: 20171020 |