CN104574739A - Sound pickup-based transformer noise remote alarming system - Google Patents
Sound pickup-based transformer noise remote alarming system Download PDFInfo
- Publication number
- CN104574739A CN104574739A CN201410813237.1A CN201410813237A CN104574739A CN 104574739 A CN104574739 A CN 104574739A CN 201410813237 A CN201410813237 A CN 201410813237A CN 104574739 A CN104574739 A CN 104574739A
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- China
- Prior art keywords
- acoustic pickup
- transformer
- power amplifier
- alarming system
- wireless
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Alarm Systems (AREA)
Abstract
The invention discloses a sound pickup-based transformer noise remote alarming system. The system is characterized by comprising a sound pickup, an audio power amplifier, a filter, a wireless transmitter, a power supply, a wireless receiver, a processing module and an alarm, is simple in structure and reasonable in design, and is relatively independent of a transformer. The system cannot be influenced if the transformer is damaged; the remote monitoring and alarming of the transformer are realized through the wireless transmitter and the wireless receiver; the sound acquisition accuracy is improved by connecting the sound pickup and the audio power amplifier with the filter; meanwhile, a plurality of groups of sound pickups, audio power amplifiers, filters, wireless transmitters, power supplies and wireless receivers can be arranged; a plurality of transformers can be monitored and an alarm can be given through different wireless communication frequencies and a plurality of alarms which are in one-to-one correspondence with the wireless communication frequencies.
Description
Technical field
The present invention relates to a kind of transformer hum remote alarming system based on acoustic pickup.
Background technology
In transformer operational process, when general appearance is abnormal, abnormal noise can be sent, when transformer normally runs, because when alternating current is by Transformer Winding, produce periodically variable alternating flux in the core which, along with the change of magnetic flux, cause the vibration of iron core and send uniform " drone " sound, if transformer produces uneven sound or other different sounds, all belong to transformer sound abnormal, can by the exception of sound, pre-alarm is sent to transformer exception, in prior art, general sound monitoring device and transformer integrated, in the design of transformer stage, just need the setting position of the internal sound monitoring device of reserved transformer, increase design of transformer complexity, simultaneously, when transformer is scrapped, sound monitoring device is also scrapped together, can not reuse, produce waste.
Summary of the invention
For the problems referred to above, the present invention proposes a kind of transformer hum remote alarming system based on acoustic pickup.
For solving above technical matters, technical scheme provided by the invention is:
A kind of transformer hum remote alarming system based on acoustic pickup, it is characterized in that, comprise acoustic pickup, audio-frequency power amplifier, wave filter, wireless launcher, power supply, wireless receiver, processing module and alarm, described acoustic pickup be fixedly installed with transformer near, described acoustic pickup, audio-frequency power amplifier, wave filter is connected successively with wireless launcher, described power supply and acoustic pickup, audio-frequency power amplifier, wave filter is connected with wireless launcher and provides the energy, described wireless receiver is connected with processing module, described processing module comprises audio signal processor, center processor and Database Systems, described alarm is connected with processing module.
Above-mentioned a kind of transformer hum remote alarming system based on acoustic pickup, wherein, described acoustic pickup is Guangzhou postal section acoustic pickup.
Above-mentioned a kind of transformer hum remote alarming system based on acoustic pickup, wherein, described acoustic pickup is provided with collection sound hydraucone.
Above-mentioned a kind of transformer hum remote alarming system based on acoustic pickup, wherein, described audio-frequency power amplifier is Central China, sky, Beijing prestige power amplifier.
Above-mentioned a kind of transformer hum remote alarming system based on acoustic pickup, wherein, described wireless launcher and wireless receiver send with to accept frequency consistent.
Above-mentioned a kind of transformer hum remote alarming system based on acoustic pickup, wherein, described center processor is MCU central microprocessor.
Principle of work of the present invention:
Power supply is acoustic pickup, audio-frequency power amplifier, wave filter and radio communication provide the energy, transformer noise collected by acoustic pickup, audio-frequency power amplifier and wave filter are by the amplification of transformer noise and filtration and to wireless launcher input audio signal, wireless launcher passes to wireless receiver by long-range for the sound signal collected, the sound signal collected is passed to processing module by wireless receiver, processing module carries out Treatment Analysis to the sound signal collected and input database system is collected, as the sound signal that notes abnormalities, namely control alarm equipment alarm.
Beneficial effect of the present invention is:
A kind of transformer hum remote alarming system based on acoustic pickup provided by the invention, its structure is simple, reasonable in design, the present invention and transformation relatively independent, transformer damage can not have an impact to the present invention, remote monitoring to transformer and warning is realized by wireless launcher and wireless receiver, pass through acoustic pickup, audio-frequency power amplifier is connected with wave filter, the accurate efficiency of sound collection is improved, can arrange simultaneously and organize acoustic pickup more, audio-frequency power amplifier, wave filter, wireless launcher, power supply and wireless receiver, by different wireless telecommunications frequencies and multiple alarm one to one, can monitor multiple transformer and report to the police.
Accompanying drawing explanation
Fig. 1 schematic diagram of the present invention.
Embodiment
A kind of transformer hum remote alarming system based on acoustic pickup, it is characterized in that, comprise acoustic pickup 1, audio-frequency power amplifier 2, wave filter 3, wireless launcher 4, power supply 5, wireless receiver 6, processing module 7 and alarm 8, described acoustic pickup 1 be fixedly installed with transformer near, described acoustic pickup 1, audio-frequency power amplifier 2, wave filter 3 is connected successively with wireless launcher 4, described power supply 5 and acoustic pickup 1, audio-frequency power amplifier 2, wave filter 3 is connected with wireless launcher 4 and provides the energy, described wireless receiver 6 is connected with processing module 7, described processing module 7 comprises audio signal processor 71, center processor 72 and Database Systems 73, described alarm 8 is connected with processing module 7.
Wherein, described acoustic pickup is Guangzhou postal section acoustic pickup, described acoustic pickup 1 is provided with collection sound hydraucone 11, described audio-frequency power amplifier 2 is Central China, sky, Beijing prestige power amplifier, described wireless launcher 4 and wireless receiver 6 send with to accept frequency consistent, and described center processor 72 is MCU central microprocessor.
Principle of work of the present invention:
Power supply is acoustic pickup, audio-frequency power amplifier, wave filter and radio communication provide the energy, transformer noise collected by acoustic pickup, audio-frequency power amplifier and wave filter are by the amplification of transformer noise and filtration and to wireless launcher input audio signal, wireless launcher passes to wireless receiver by long-range for the sound signal collected, the sound signal collected is passed to processing module by wireless receiver, processing module carries out Treatment Analysis to the sound signal collected and input database system is collected, as the sound signal that notes abnormalities, namely control alarm equipment alarm.
A kind of transformer hum remote alarming system based on acoustic pickup, its structure is simple, reasonable in design, the present invention and transformation relatively independent, transformer damage can not have an impact to the present invention, remote monitoring to transformer and warning is realized by wireless launcher and wireless receiver, pass through acoustic pickup, audio-frequency power amplifier is connected with wave filter, the accurate efficiency of sound collection is improved, can arrange simultaneously and organize acoustic pickup more, audio-frequency power amplifier, wave filter, wireless launcher, power supply and wireless receiver, by different wireless telecommunications frequencies and multiple alarm one to one, can monitor multiple transformer and report to the police.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (6)
1. the transformer hum remote alarming system based on acoustic pickup, it is characterized in that, comprise acoustic pickup, audio-frequency power amplifier, wave filter, wireless launcher, power supply, wireless receiver, processing module and alarm, described acoustic pickup be fixedly installed with transformer near, described acoustic pickup, audio-frequency power amplifier, wave filter is connected successively with wireless launcher, described power supply and acoustic pickup, audio-frequency power amplifier, wave filter is connected with wireless launcher and provides the energy, described wireless receiver is connected with processing module, described processing module comprises audio signal processor, center processor and Database Systems, described alarm is connected with processing module.
2. a kind of transformer hum remote alarming system based on acoustic pickup as claimed in claim 1, it is characterized in that, described acoustic pickup is Guangzhou postal section acoustic pickup.
3. a kind of transformer hum remote alarming system based on acoustic pickup as claimed in claim 1, is characterized in that, described acoustic pickup is provided with collection sound hydraucone.
4. a kind of transformer hum remote alarming system based on acoustic pickup as claimed in claim 1, it is characterized in that, described audio-frequency power amplifier is Central China, sky, Beijing prestige power amplifier.
5. a kind of transformer hum remote alarming system based on acoustic pickup as claimed in claim 1, is characterized in that, described wireless launcher and wireless receiver send with to accept frequency consistent.
6. a kind of transformer hum remote alarming system based on acoustic pickup as claimed in claim 1, it is characterized in that, described center processor is MCU central microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410813237.1A CN104574739A (en) | 2014-12-24 | 2014-12-24 | Sound pickup-based transformer noise remote alarming system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410813237.1A CN104574739A (en) | 2014-12-24 | 2014-12-24 | Sound pickup-based transformer noise remote alarming system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104574739A true CN104574739A (en) | 2015-04-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410813237.1A Pending CN104574739A (en) | 2014-12-24 | 2014-12-24 | Sound pickup-based transformer noise remote alarming system |
Country Status (1)
| Country | Link |
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| CN (1) | CN104574739A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105023602A (en) * | 2015-07-28 | 2015-11-04 | 苏州宏展信息科技有限公司 | Audio test circuit used for recording pen |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005015366A2 (en) * | 2003-08-08 | 2005-02-17 | Electric Power Group, Llc | Real-time performance monitoring and management system |
| JP2009065778A (en) * | 2007-09-06 | 2009-03-26 | Tokyo Electric Power Co Inc:The | Power system monitor control system |
| CN102270879A (en) * | 2010-06-02 | 2011-12-07 | 李景禄 | Equipment audio monitoring system of unattended substation |
| CN103712679A (en) * | 2013-12-05 | 2014-04-09 | 国网上海市电力公司 | Converter transformer operating state on-line audio analyzing and monitoring system |
| CN203688677U (en) * | 2013-10-18 | 2014-07-02 | 青岛特锐德电气股份有限公司 | Transformer running state on-line monitoring device |
| CN103995195A (en) * | 2014-05-08 | 2014-08-20 | 昆山佑翔电子科技有限公司 | Sound abnormity monitoring device of transformer |
-
2014
- 2014-12-24 CN CN201410813237.1A patent/CN104574739A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005015366A2 (en) * | 2003-08-08 | 2005-02-17 | Electric Power Group, Llc | Real-time performance monitoring and management system |
| JP2009065778A (en) * | 2007-09-06 | 2009-03-26 | Tokyo Electric Power Co Inc:The | Power system monitor control system |
| CN102270879A (en) * | 2010-06-02 | 2011-12-07 | 李景禄 | Equipment audio monitoring system of unattended substation |
| CN203688677U (en) * | 2013-10-18 | 2014-07-02 | 青岛特锐德电气股份有限公司 | Transformer running state on-line monitoring device |
| CN103712679A (en) * | 2013-12-05 | 2014-04-09 | 国网上海市电力公司 | Converter transformer operating state on-line audio analyzing and monitoring system |
| CN103995195A (en) * | 2014-05-08 | 2014-08-20 | 昆山佑翔电子科技有限公司 | Sound abnormity monitoring device of transformer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105023602A (en) * | 2015-07-28 | 2015-11-04 | 苏州宏展信息科技有限公司 | Audio test circuit used for recording pen |
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Application publication date: 20150429 |