CN206095426U - Transformer vibration online monitoring device - Google Patents
Transformer vibration online monitoring device Download PDFInfo
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- CN206095426U CN206095426U CN201621166261.1U CN201621166261U CN206095426U CN 206095426 U CN206095426 U CN 206095426U CN 201621166261 U CN201621166261 U CN 201621166261U CN 206095426 U CN206095426 U CN 206095426U
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000003750 conditioning effect Effects 0.000 claims abstract 3
- 230000001105 regulatory effect Effects 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 7
- 230000009467 reduction Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 9
- 230000007257 malfunction Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
The utility model provides a transformer vibration online monitoring device, including setting up a plurality of vibration sensor on the transformer box wall, vibration sensor passes through wire connection signal conditioning device, and signal conditioning device connects multichannel AD conversion equipment, and multichannel AD conversion equipment connects vibration signal processing device, vibration signal processing device external PC device of connection and voice alarm device, the utility model discloses a vibration monitoring devices has adopted multi -channel acquisition on data acquisition for the data that vibration sensor gathered are abundant, accurate more, and it is more accurate to judging of malfunction to make, can realize the on -line monitoring to transformer vibration state, and show the operating condition of transformer, and in time the malfunction of effective, high -efficient convenient discovery transformer operation in -process so that discover the trouble early, improves economic benefits.
Description
Technical field
This utility model is related to a kind of transformator vibration monitoring field, and in particular to a kind of transformator vibration online monitoring dress
Put.
Background technology
Power transformer is most important equipment in electrical network, is the heart of power transmission and transformation system, and can which safety and economic operation
Directly concern electrical network safe efficient, economically to run.But due to the transformator operation in electrical network for a long time, unavoidable meeting
The various failures of generation and accident.How effectively transformator to be monitored, to find failure in time and repair, be to ensure transmission of electricity system
The important process of the normal operation of system.
And had the detection method in various theory and practice currently for the major failure position of transformator.Mainly
Method have：Low Voltage Impulse Method, Frequency Response Analysis method, short circuit impedance method, electric preventive test, Oil chromatography analysis, noise are examined
Disconnected method etc..The features such as more than these methods with equipment complexity, operation inconvenience, necessary off-line operation, actual fitting is not accounted for
With environment and condition, difficulty is larger in actual use, it is impossible to accomplish to find failure in time, is unfavorable in a line production run
Using.
Utility model content
This utility model provides a kind of transformator vibration on-line monitoring device according to the deficiencies in the prior art, is capable of achieving to becoming
The on-line monitoring of depressor vibrational state, and the working condition of transformator is shown, energy is timely and effective, efficiently easily find transformator
Malfunction in running, in order to find failure early, increases economic efficiency.
The technical solution of the utility model：A kind of transformator vibration on-line monitoring device, including being arranged on transformer box wall
On multiple vibrating sensors, vibrating sensor by wire connect signal regulating device, signal regulating device connecting multi-channel
A/D conversion equipments, multichannel A/D conversion equipments connection vibration signal processing device, vibration signal processing device connect external PC
Device and phonetic alarm device, vibrating sensor are used for the vibration signal for gathering oil tank of transformer, and the transformator that will be gathered
Fuel tank vibration signal is conveyed to signal regulating device, and signal regulating device is for powering to vibrating sensor and vibrate transformator
Signal is sent to multichannel A/D conversion equipments after amplifying, and multichannel A/D conversion equipments are for by the amplified vibration letter for receiving
Number it is converted into digital signal and sends vibration signal processing device to, the vibration signal of reception is carried out by vibration signal processing device
External PC devices and phonetic alarm device are transported to after process, and external PC devices are used to vibration signal processing device is read to signal
The data result for being processed is while showing transformator vibrational state and storing data result, phonetic alarm device is used for
Audio alert is carried out when the vibration signal of vibration signal processing device process exceedes alarming value.
External power supply connection signal regulating device, multichannel A/D conversion equipments, vibration signal processing device and voice reporting
Alarm device simultaneously provides working power for which.
The signal regulating device includes power circuit, Dolby circuit and amplifying circuit, and power circuit is used for as vibration
Sensor provides power supply, and Dolby circuit carries out noise reduction remove impurity process for the vibration signal for gathering vibrating sensor, amplifies electricity
Road is for the vibration signal after noise reduction is amplified.
The vibrating sensor is provided with three groups, and three groups of vibrating sensors are separately positioned on the tank wall of every phase transformer.
Every group of vibrating sensor is provided with three, and three vibrating sensors are separately positioned on every phase transformer tank wall
Centre position, apart from 1/3rd position of top and apart from 1/3rd position of bottom.
LC0115 type sensor of the vibrating sensor from Lanace company, its frequency range are 0.1-1500Hz, point
Resolution is 0.000002g, and sensitivity is 5000mV/g, and range is 1g.
The multichannel A/D conversion equipments are 24 delta-sigma A/D conversion equipments of multichannel.
Technique effect of the present utility model：Vibration monitoring device of the present utility model employs multichannel in data acquisition
Collection so that the data of vibrating sensor collection are more abundant, accurate so that the judgement to malfunction is more accurate, can be real
The existing on-line monitoring to transformator vibrational state, and show the working condition of transformator, can it is timely and effective, efficiently easily find
Malfunction during transformer station high-voltage side bus, in order to find failure early, increases economic efficiency.
Description of the drawings
Fig. 1 is this utility model overall structure diagram；
Fig. 2 is this utility model vibrating sensor position schematic diagram；
Fig. 3 is this utility model signal regulating device schematic diagram；
Fig. 4 is this utility model signal regulating device amplification circuit diagram.
In figure, label is represented respectively：1- vibrating sensors, 2- signal regulating devices, 3- multichannel A/D conversion equipments, 4- shake
Dynamic signal processing apparatus, the external PC devices of 5-, 6- phonetic alarm devices, 7- transformators, 8- external power supplys, 20- power circuits,
21- Dolby circuits, 22- amplifying circuits.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is further illustrated：
As shown in figure 1, a kind of transformator vibration on-line monitoring device, multiple shake including be arranged on 7 tank wall of transformator
Dynamic sensor 1, vibrating sensor 1 connect signal regulating device 2,2 connecting multi-channel A/D of signal regulating device conversions by wire
Device 3, the connection vibration signal processing device 4 of multichannel A/D conversion equipments 3, vibration signal processing device 4 connect external PC devices
5 and phonetic alarm device 6, vibrating sensor 1 is used for the vibration signal for gathering oil tank of transformer, and will collection transformer oil
Case vibration signal is conveyed to signal regulating device 2, and signal regulating device 2 is for powering to vibrating sensor 1 and transformator shakes
Dynamic signal is sent to multichannel A/D conversion equipments 3 after amplifying, multichannel A/D conversion equipments 3 are for amplified shaking what is received
Dynamic signal is converted into digital signal and sends vibration signal processing device 4 to, and the vibration for receiving is believed by vibration signal processing device 4
External PC devices 5 and phonetic alarm device 6 are transported to after number being processed, external PC devices 5 are used to read vibration signal processing
The data result processed to signal by device 4 is while showing transformator vibrational state and storing data result, voice
Alarm device 6 carries out audio alert when exceeding alarming value for the vibration signal processed in vibration signal processing device 4.
The connection signal regulating device 2 of external power supply 8, multichannel A/D conversion equipments 3, vibration signal processing device 4 and language
Sound alarm device 6 simultaneously provides working power for which.
As shown in figure 3, signal regulating device 2 includes power circuit 20, Dolby circuit 21 and amplifying circuit 22, power supply electricity
Road 20 is used to provide power supply for vibrating sensor 1, and Dolby circuit 21 is for the vibration signal that vibrating sensor 1 is gathered is dropped
Remove impurity of making an uproar is processed, and amplifying circuit 22 is for the vibration signal after noise reduction is amplified.
As shown in Fig. 2 vibrating sensor 1 is provided with three groups, three groups of vibrating sensors are separately positioned on every phase transformer
On tank wall.
Every group of vibrating sensor 1 is provided with three, and three vibrating sensors are separately positioned in every phase transformer tank wall
Between position, apart from 1/3rd position of top and apart from 1/3rd position of bottom.
Vibrating sensor 1 from Lanace company LC0115 type sensors, its frequency range be 0.1-1500Hz, resolution
For 0.000002g, sensitivity is 5000mV/g, and range is 1g.
The multichannel A/D conversion equipments 3 are 24 delta-sigma A/D conversion equipments of multichannel.
When in use, according to the point layout mode shown in Fig. 2, vibrating sensor is arranged, has been sequentially connected each device
And be powered, set vibration amplitude alarming value.Vibrating sensor starts the real-time vibration signal for measuring transformator to be monitored, vibration
Signal Jing signal regulating devices are adjusted and are amplified, and are then sent into multichannel A/D conversion equipments and are converted into digital signal, finally send into letter
Number processing meanss, vibration signal processing device are responsible for data acquisition and data processing, and this device selects to adopt the logical journey of time-domain signal
Collection, while time-domain diagram and the spectrogram after FFT are preserved as Treatment Analysis object, by real-time to the vibration peak in time-domain diagram
Monitoring, is obtained vibration amplitude, is compared with the vibration amplitude alarming value for setting, once find that amplitude range exceeds vibration amplitude
Alarming value obtains scope, carries out Realtime Alerts and carries out spectrum analyses to vibration signal, by by the frequency spectrum of equipment under malfunction
It is compared with the frequency spectrum under normal condition, comes property and the position of tracing trouble.Using the result of analysis, event is excluded in time
Barrier, re-starts monitoring after failture evacuation, the overall process of monitoring by external PC devices by Monitoring Data real-time storage, in case
Analyzing and positioning failure is used later.
A kind of transformator vibration on-line monitoring device of the present utility model, is capable of achieving the online prison to transformator vibrational state
Survey, and show the working condition of transformator, timely and effective, efficiently can easily find the failure shape during transformer station high-voltage side bus
State, in order to find failure early, increases economic efficiency.
Claims (7)
1. a kind of transformator vibration on-line monitoring device, it is characterised in that：Including the multiple vibrations being arranged on transformer box wall
Sensor, vibrating sensor by wire connect signal regulating device, signal regulating device connecting multi-channel A/D conversion equipments,
Multichannel A/D conversion equipments connect vibration signal processing device, and vibration signal processing device connects external PC devices and voice
Alarm device, vibrating sensor are used for the vibration signal for gathering oil tank of transformer, and the oil tank of transformer vibration signal that will be gathered
It is conveyed to signal regulating device, signal regulating device is for powering to vibrating sensor and pass after transformer vibration signal is amplified
It is sent to multichannel A/D conversion equipments, multichannel A/D conversion equipments are for being converted into numeral by the amplified vibration signal for receiving
Signal simultaneously sends vibration signal processing device to, and vibration signal processing device is transported to after the vibration signal of reception is processed
External PC devices and phonetic alarm device, external PC devices are used to read the number that vibration signal processing device processes signal
Transformator vibrational state being shown simultaneously according to result and data result being stored, phonetic alarm device is at vibration signal
The vibration signal that reason device is processed carries out audio alert when exceeding alarming value.
2. a kind of transformator vibration on-line monitoring device according to claim 1, it is characterised in that：External power supply connection letter
Number conditioning device, multichannel A/D conversion equipments, vibration signal processing device and phonetic alarm device simultaneously provide work electricity for which
Source.
3. a kind of transformator vibration on-line monitoring device according to claim 1, it is characterised in that：The signal condition dress
Put including power circuit, Dolby circuit and amplifying circuit, power circuit is used to provide power supply, Dolby circuit for vibrating sensor
Vibration signal for vibrating sensor is gathered carries out noise reduction remove impurity process, and amplifying circuit is for by the vibration signal after noise reduction
It is amplified.
4. according to a kind of arbitrary described transformator vibration on-line monitoring device of claim 1-3, it is characterised in that：It is described to shake
Dynamic sensor is provided with three groups, and three groups of vibrating sensors are separately positioned on the tank wall of every phase transformer.
5. a kind of transformator vibration on-line monitoring device according to claim 4, it is characterised in that：Per group of vibration is passed
Sensor is provided with three, and three vibrating sensors are separately positioned on the centre position of every phase transformer tank wall, apart from three points of top
One of position and apart from 1/3rd position of bottom.
6. a kind of transformator vibration on-line monitoring device according to claim 4, it is characterised in that：The vibrating sensor
From the LC0115 type sensors of Lanace company, its frequency range is 0.1-1500Hz, and resolution is 0.000002g, sensitivity
For 5000mV/g, range is 1g.
7. a kind of transformator vibration on-line monitoring device according to claim 4, it is characterised in that：The multichannel A/D
Conversion equipment is 24 delta-sigma A/D conversion equipments of multichannel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621166261.1U CN206095426U (en) | 2016-10-26 | 2016-10-26 | Transformer vibration online monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621166261.1U CN206095426U (en) | 2016-10-26 | 2016-10-26 | Transformer vibration online monitoring device |
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| Publication Number | Publication Date |
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| CN206095426U true CN206095426U (en) | 2017-04-12 |
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| CN201621166261.1U Active CN206095426U (en) | 2016-10-26 | 2016-10-26 | Transformer vibration online monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107478182A (en) * | 2017-06-23 | 2017-12-15 | 江西飞尚科技有限公司 | A kind of multi-channel synchronous vibrating wire acquirer |
-
2016
- 2016-10-26 CN CN201621166261.1U patent/CN206095426U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107478182A (en) * | 2017-06-23 | 2017-12-15 | 江西飞尚科技有限公司 | A kind of multi-channel synchronous vibrating wire acquirer |
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