CN109342870A - A kind of trouble-shooter applied to 10KV network distribution transformer - Google Patents
A kind of trouble-shooter applied to 10KV network distribution transformer Download PDFInfo
- Publication number
- CN109342870A CN109342870A CN201811361644.8A CN201811361644A CN109342870A CN 109342870 A CN109342870 A CN 109342870A CN 201811361644 A CN201811361644 A CN 201811361644A CN 109342870 A CN109342870 A CN 109342870A
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- microphone
- transformer
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- shooter
- network distribution
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- 238000005070 sampling Methods 0.000 claims description 9
- 238000013341 scale-up Methods 0.000 claims description 7
- 238000004088 simulation Methods 0.000 claims description 7
- 238000004458 analytical method Methods 0.000 abstract description 6
- 238000003745 diagnosis Methods 0.000 abstract description 4
- 230000035772 mutation Effects 0.000 abstract description 4
- 230000007257 malfunction Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000010835 comparative analysis Methods 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 230000003321 amplification Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/62—Testing of transformers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The invention discloses a kind of trouble-shooters applied to 10KV network distribution transformer, including installing vibrating sensor and microphone on the transformer, vibrating sensor and microphone are electrically connected to single-chip microcontroller, single-chip microcontroller is connected with radio receiving transmitting module by serial port module, and radio receiving transmitting module is connected to the PC diagnostic platform of distal end.The present invention detects the failure sound of inside transformer by vibrating sensor and microphone, pass through the rattle spectrogram being collected into PC diagnostic platform and fault diagnosis is carried out to the mutation analysis of acoustic signal, when being greater than given threshold, it is determined as malfunction, differentiate more accurate, personnel without experience can also operate, easy to operate.
Description
Technical field
The invention belongs to transformer fault monitoring device technical fields, and in particular to one kind is applied to 10KV network distribution transformer
Trouble-shooter.
Background technique
It is uniform buzz that transformer, which operates normally the sound issued, when there are shelf depreciations, electric arc for inside transformer
When the failures such as electric discharge, short circuit, different sound will be issued, by acquisition sound can to equipment inside with the presence or absence of failure into
Row differentiates that the fault diagnosis of 10kV network distribution transformer is taken on the transformer often by insulating bar at present, leaned against by human ear
Internal sound is listened then experience to be commented to analyze and determine internal fault on bar, for babe in the wood, it is difficult to judge
Transformer whether failure or judge inaccuracy.
Summary of the invention
Technical problem solved by the present invention is a kind of trouble-shooter applied to 10KV network distribution transformer is provided, with
Solve above-mentioned problems of the prior art.
The technical scheme adopted by the invention is as follows: a kind of trouble-shooter applied to 10KV network distribution transformer, including peace
The vibrating sensor and microphone of dress on the transformer, vibrating sensor and microphone are electrically connected to single-chip microcontroller, and single-chip microcontroller passes through
Serial port module is connected with radio receiving transmitting module, and radio receiving transmitting module is connected to the PC diagnostic platform of distal end.
Preferably, a kind of above-mentioned trouble-shooter applied to 10KV network distribution transformer further includes and monolithic mechatronics
Headset, headset use headset.
Preferably, above-mentioned vibrating sensor and microphone are connected to AD sampling module, AD by Simulation scale-up filter module
Sampling module is connected to single-chip microcontroller.
Preferably, above-mentioned vibrating sensor is adsorbed on the transformer by magnet.
Beneficial effects of the present invention: compared with prior art, the present invention detects change by vibrating sensor and microphone
Failure sound inside depressor passes through the rattle spectrogram that is collected into the mutation analysis of acoustic signal in PC diagnostic platform
Fault diagnosis is carried out, when being greater than given threshold, is determined as malfunction, differentiation is more accurate, and the personnel without experience can also
Operation, it is easy to operate, meanwhile, it can be answered by earphone-microphone after the sound amplification of transformer acquisition, by hearing
Sound carry out artificial judgment, realize dual judgement, it is relatively reliable.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Specific embodiment
With reference to the accompanying drawing and the present invention is described further in specific embodiment.
Embodiment 1: as shown in Figure 1, a kind of trouble-shooter applied to 10KV network distribution transformer, including it is mounted on change
Vibrating sensor and microphone on depressor, vibrating sensor and microphone are electrically connected to single-chip microcontroller, and single-chip microcontroller passes through serial ports mould
Block is connected with radio receiving transmitting module, and radio receiving transmitting module is connected to the PC diagnostic platform of distal end.
Preferably, a kind of above-mentioned trouble-shooter applied to 10KV network distribution transformer further includes and monolithic mechatronics
Headset, headset use headset.
Preferably, above-mentioned vibrating sensor and microphone are connected to AD sampling module, AD by Simulation scale-up filter module
Sampling module is connected to single-chip microcontroller.
Preferably, above-mentioned vibrating sensor is adsorbed on the transformer by magnet.
Preferably, the sensor part is closely attached to transformer surface, passes through acoustic vibration sensor and Mike's sound of the wind
Sound collector detects the failure sound of inside transformer, amplifies filter to voice signal by Simulation scale-up filter module
Wave sample and is wirelessly passed to by serial ports following to voice signal finally by high speed AD sampling module
PC diagnostic platform carries out failure to the mutation analysis of acoustic signal by the sound audio spectrogram being collected on diagnostic platform and examines
It is disconnected.Meanwhile can be answered by earphone-microphone after the sound amplification of transformer acquisition, people is carried out by the sound heard
Work judgement.
When the device as shown in Figure 1 is tested, Sensor section is closely attached to transformer surface, passes through the vibration of acoustics
Sensor and microphone detect the failure sound and Vibration Condition of inside transformer, by Simulation scale-up filter module to sound
Signal amplifies filtering, samples finally by the high speed AD sampling module that single-chip microcontroller connects to voice signal, and pass through
The data that single-chip microcontroller acquires wirelessly are passed to following PC diagnostic platform by the wireless module of serial port module connection,
Fault diagnosis is carried out to the mutation analysis of acoustic signal by the sound audio spectrogram being collected on diagnostic platform, meanwhile, transformer
It can be answered by earphone-microphone after the sound amplification of acquisition, artificial judgment is carried out by the sound heard.
The vibrating sensor and microphone of acoustics are mainly used for the acquisition of inside transformer vibration signal and the acquisition of sound,
It is required that bottom absorbed portion requires to use magnet material, can be adsorbed automatically with transformer case, the two size is no more than 2*
2cm, weight are not more than 25g, are connected to Simulation scale-up filter module by 2.5 meters of length of transmission data wire respectively, vibrate
A grab is arranged in sensor and microphone, can accomplish that people does not have to stair and sensor can be served to distribution change by grab bar
Depressor outer casing bottom nearby adsorbs, and can also be removed by grab bar when removing, while grab bar is made into 3 meters of total length
Three section automatic telescopic grab bars.Vibrating sensor and microphone are connected to single-chip microcontroller, single-chip microcontroller and PC diagnostic platform using wireless
Data transmission, transmission range are up to 200 bandwidth and reach 20MHz, and the frequency spectrum graphics of vibrating sensor acquisition sound vibrations are answered
Accomplish accurate accurate, specific scene control methods: transformer station high-voltage side bus and comparative analysis in the case of not running two kinds under the conditions of, it is miscellaneous
With comparative analysis under squelch under sound environment, it is accurate accurate that the frequency spectrum graphics of microphone acquisition sound vibrations should be accomplished, specifically
Live control methods: transformer station high-voltage side bus and comparative analysis in the case of not running two kinds under the conditions of, under noise environment with mute ring
Comparative analysis under border.
Headset uses wear-type earphone-microphone, can be effectively isolated ambient sound influence, can clearly hear transformer institute
The internal sound of outflow.
Simulation scale-up filter module, AD sampling module, serial port module, single-chip microcontroller, RS232 transceiver module are integrated into one
Device, device data-interface are wirelessly connected to by the same vibrating sensor of data line, microphone, headset connection
PC diagnostic platform, installation weight are less than 500g, and size is not more than 15*25cm, and rectangle, the display of single-chip microcontroller connection is using touching
Touch screen display.Single-chip microcontroller is powered by battery, when detection on installation point transformer, is taken down after detection.
PC diagnostic platform can be respectively in the collected chatter of 4 channel real-time display shock sensors and microphone institute
Sound spectrum figure, single bandwidth chahnel reaches 20Mhz, and can carry out video recording preservation to figure collection process, and the later period checks energy
Enough repeat acquired image process.Spectral acquisition and display are accurate, and the environment that can forgo influences, and have to abnormal frequency spectrum
Discriminatory analysis display function, have an expert diagnostic system, expert diagnostic system makes a concrete analysis of determining method: to operate normally transformation
Spectrogram under the conditions of device is carried out as normal map when spectrogram deviates compared with spectral band when operating normally
Comparison (obtains) according to previous fault experience if more than given threshold, then judges that there are failures inside equipment.
Example that the above description is merely a specific embodiment, scope of protection of the present invention is not limited thereto.It is ripe
It knows the those skilled in the art in the technical scope disclosed by the present invention, change or replacement mode can be easily found, these
It should be covered by the protection scope of the present invention.For this purpose, protection scope of the present invention should be with the protection model of the claim
Subject to enclosing.
Claims (4)
1. a kind of trouble-shooter applied to 10KV network distribution transformer, it is characterised in that: including installing on the transformer
Vibrating sensor and microphone, vibrating sensor and microphone are electrically connected to single-chip microcontroller, and single-chip microcontroller is connected with by serial port module
Radio receiving transmitting module, radio receiving transmitting module are connected to the PC diagnostic platform of distal end.
2. a kind of trouble-shooter applied to 10KV network distribution transformer according to claim 1, it is characterised in that: also
Including the headset with monolithic mechatronics, headset uses headset.
3. a kind of trouble-shooter applied to 10KV network distribution transformer according to claim 1, it is characterised in that: vibration
It moves sensor and microphone and AD sampling module is connected to by Simulation scale-up filter module, AD sampling module is connected to single-chip microcontroller.
4. a kind of trouble-shooter applied to 10KV network distribution transformer according to claim 1, it is characterised in that: vibration
Dynamic sensor is adsorbed on the transformer by magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811361644.8A CN109342870A (en) | 2018-11-15 | 2018-11-15 | A kind of trouble-shooter applied to 10KV network distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811361644.8A CN109342870A (en) | 2018-11-15 | 2018-11-15 | A kind of trouble-shooter applied to 10KV network distribution transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109342870A true CN109342870A (en) | 2019-02-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811361644.8A Pending CN109342870A (en) | 2018-11-15 | 2018-11-15 | A kind of trouble-shooter applied to 10KV network distribution transformer |
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| Country | Link |
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| CN (1) | CN109342870A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044461A (en) * | 2019-04-03 | 2019-07-23 | 苏州德晟能源科技有限公司 | A kind of monitor and the monitoring device for being equipped with the monitor |
| CN110927511A (en) * | 2019-10-18 | 2020-03-27 | 云南电网有限责任公司 | Power grid fault diagnosis system and method using fault waveform |
| CN114112005A (en) * | 2021-10-28 | 2022-03-01 | 国网天津市电力公司 | Transformer substation equipment abnormal sound on-line monitor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202111415U (en) * | 2011-06-27 | 2012-01-11 | 辽宁省电力有限公司本溪供电公司 | Multi-functional combination live working device of distribution line |
| CN103472350A (en) * | 2013-08-27 | 2013-12-25 | 武汉百楚科技有限公司 | Transformer diagnosis system and diagnosis method |
| CN105223453A (en) * | 2015-11-03 | 2016-01-06 | 广东电网有限责任公司佛山供电局 | Based on substation transformer trouble-shooter and the method for multiple attribute synthetical evaluation |
| CN205229319U (en) * | 2015-11-03 | 2016-05-11 | 广东电网有限责任公司佛山供电局 | Distribution transformer failure diagnosis device based on many indexs comprehensive evaluation of |
| CN107748314A (en) * | 2017-10-18 | 2018-03-02 | 国网重庆市电力公司北碚供电分公司 | Transformer Faults Analysis system based on sound wave shock detection |
| CN207263869U (en) * | 2017-08-30 | 2018-04-20 | 中国石油化工股份有限公司 | Low-voltage cable fault tester |
| CN207320709U (en) * | 2017-11-07 | 2018-05-04 | 杨檀 | A kind of power transmission and distribution special isolation bar |
| CN209264875U (en) * | 2018-11-15 | 2019-08-16 | 贵州电网有限责任公司 | A kind of trouble-shooter applied to 10KV network distribution transformer |
-
2018
- 2018-11-15 CN CN201811361644.8A patent/CN109342870A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202111415U (en) * | 2011-06-27 | 2012-01-11 | 辽宁省电力有限公司本溪供电公司 | Multi-functional combination live working device of distribution line |
| CN103472350A (en) * | 2013-08-27 | 2013-12-25 | 武汉百楚科技有限公司 | Transformer diagnosis system and diagnosis method |
| CN105223453A (en) * | 2015-11-03 | 2016-01-06 | 广东电网有限责任公司佛山供电局 | Based on substation transformer trouble-shooter and the method for multiple attribute synthetical evaluation |
| CN205229319U (en) * | 2015-11-03 | 2016-05-11 | 广东电网有限责任公司佛山供电局 | Distribution transformer failure diagnosis device based on many indexs comprehensive evaluation of |
| CN207263869U (en) * | 2017-08-30 | 2018-04-20 | 中国石油化工股份有限公司 | Low-voltage cable fault tester |
| CN107748314A (en) * | 2017-10-18 | 2018-03-02 | 国网重庆市电力公司北碚供电分公司 | Transformer Faults Analysis system based on sound wave shock detection |
| CN207320709U (en) * | 2017-11-07 | 2018-05-04 | 杨檀 | A kind of power transmission and distribution special isolation bar |
| CN209264875U (en) * | 2018-11-15 | 2019-08-16 | 贵州电网有限责任公司 | A kind of trouble-shooter applied to 10KV network distribution transformer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110044461A (en) * | 2019-04-03 | 2019-07-23 | 苏州德晟能源科技有限公司 | A kind of monitor and the monitoring device for being equipped with the monitor |
| CN110927511A (en) * | 2019-10-18 | 2020-03-27 | 云南电网有限责任公司 | Power grid fault diagnosis system and method using fault waveform |
| CN114112005A (en) * | 2021-10-28 | 2022-03-01 | 国网天津市电力公司 | Transformer substation equipment abnormal sound on-line monitor |
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| CB03 | Change of inventor or designer information |
Inventor after: Zhao Shiqin Inventor after: Zhang Ying Inventor after: Zhou Jian Inventor after: Huang Renjin Inventor after: Gu Mei Inventor after: Pan Yun Inventor after: Zhou Xingfeng Inventor after: Lu Chenghu Inventor after: Long Yuhua Inventor before: Zhao Shiqin Inventor before: Zhou Jian Inventor before: Huang Renjin Inventor before: Gu Mei Inventor before: Pan Yun Inventor before: Zhou Xingfeng Inventor before: Lu Chenghu Inventor before: Long Yuhua |
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