CN103995195A - Sound abnormity monitoring device of transformer - Google Patents
Sound abnormity monitoring device of transformer Download PDFInfo
- Publication number
- CN103995195A CN103995195A CN201410191654.7A CN201410191654A CN103995195A CN 103995195 A CN103995195 A CN 103995195A CN 201410191654 A CN201410191654 A CN 201410191654A CN 103995195 A CN103995195 A CN 103995195A
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- transformer
- monitoring device
- sound
- wireless communication
- communication module
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Abstract
The invention discloses a sound abnormity monitoring device of a transformer. The device comprises a sound collection module (1), a sound processing module (2) and a wireless communication module (3), wherein the sound collection module (1) comprises a pickup (101), the sound processing module (2) comprises a power supply circuit (201), a filter (202), a power consumption amplifier (203), a memory (204) and an output interface (205), and the wireless communication module (3) is connected with the memory (204). The sound input end of the pickup (101) is provided with a gathering loudspeaker unit (102), the wireless communication module (3) is provided with an antenna (4), the filter (202) is a band pass filter, and blocking capacitors are respectively arranged between the output interface (205), the wireless communication module (3) and the memory (204). The sound abnormity monitoring device is high in sound collecting accuracy and efficiency, and provides convenience for sound abnormity monitoring of the transformer.
Description
Technical field
The present invention relates to transformer monitoring field, relate in particular to a kind of transformer cacophonia monitoring device.
Background technology
In transformer operational process, when general appearance is abnormal, there will be sound undesired, when transformer normally moves, because when alternating current passes through Transformer Winding, in iron core, produce periodically variable alternating flux, along with the variation of magnetic flux, cause the vibration of iron core and send uniformly " drone " sound, if transformer produces inhomogeneous sound or other different sounds, all belong to transformer sound undesired, can pass through the abnormal of sound, transformer exception is sent to pre-alarm.
In prior art, general sound monitoring device and transformer are integrated, in the design of transformer stage, just need to reserve the setting position of the internal sound monitoring device of transformer, increase design of transformer complexity, simultaneously, in the time that transformer is scrapped, sound monitoring device is also scrapped together, can not reuse, and produces waste.
Summary of the invention
The present invention has overcome the deficiencies in the prior art, and a kind of transformer cacophonia monitoring device is provided, and separates with transformer, and independent use is convenient for different transformers.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of transformer cacophonia monitoring device, comprise sound collection module, acoustic processing module and wireless communication module, sound collection module comprises acoustic pickup, acoustic processing module comprises power circuit, wave filter, power consumption amplifier, storer and output interface, power circuit, acoustic pickup, power consumption amplifier, wave filter, storer, output interface are linked in sequence successively, and wireless communication module is connected with storer.
The sound input end of acoustic pickup is provided with and converges public address set, and converging public address set is an opening cover body, and the bottom surface of acoustic pickup is provided with the magnet for fixing acoustic pickup.
On wireless communication module, be provided with antenna, between antenna and wireless communication module, be connected by order wire.The conductor wire core of order wire is the conductor wire core that the mixed strand of some copper wires and steel wire forms, and is not easy to fracture, and when convenient antenna reaches transformer shell outside, order wire is not fractureed.Antenna basal surface is provided with sucker, and convenient antenna is adsorbed on the outside surface of transformer.
Wave filter is bandpass filter, and when transformer occurs that when abnormal, sound is sharp-pointed noise, what need filtering is the sound under transformer normal running conditions, therefore needs to use the sound under bandpass filter filtering transformer normal operating conditions.
Between output interface, wireless communication module and storer, be provided with capacitance.Capacitance prevents that leakage current from entering other operating circuits of rear end and producing undesired signal.
The inside surface that converges public address set is provided with some concave surfaces, is conducive to sound-absorbing, reduces noise in converging sound.
Output interface comprises Ethernet interface, RS485 interface and USB interface; In the time that wireless communication signals is bad, convenient by Ethernet interface, RS485 interface and USB interface output data.
Magnet outer wrapping is provided with insulation course, prevents conduction, and security performance is high.
The power input of power circuit is provided with clip shape link, and convenient other power leads of clamping are easy to connect.
Compared with prior art, beneficial effect of the present invention has: acoustic pickup collected sound signal of the present invention, pass through power amplifier, after wave filter, signal storage is arrived to storer, send to wireless communication module and output interface simultaneously, the accurate efficiency of sound collection is high, facilitate the monitoring of transformer cacophonia, the voice data that the application collects can send to Surveillance center by wireless communication module or output interface, Surveillance center further data carries out Treatment Analysis, realize the monitoring of transformer, the processing to data has been placed on Surveillance center by the application, processing speed is fast, Surveillance center does not belong to assembly of the present invention.
Further, sound collection of the present invention converges, and it is clear to gather, can filtering normal sound by bandpass filter, and reduce data and disturb, for quick analysis provides basis.
Further, output interface of the present invention comprises Ethernet interface, RS485 interface and USB interface; In the time that wireless communication signals is bad, convenient by Ethernet interface, RS485 interface and USB interface output data.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is annexation schematic diagram between assembly of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
As depicted in figs. 1 and 2, a kind of transformer cacophonia monitoring device, comprise sound collection module 1, acoustic processing module 2 and wireless communication module 3, sound collection module 1 comprises acoustic pickup 101, acoustic processing module 2 comprises power circuit 201, wave filter 202, power consumption amplifier 203, storer 204 and output interface 205, power circuit 201, acoustic pickup 101, power consumption amplifier 203, wave filter 202, storer 204, output interface 205 are linked in sequence successively, and wireless communication module 3 is connected with storer 204.
The sound input end of acoustic pickup 101 is provided with and converges public address set 102, and converging public address set 102 is an opening cover body, and the bottom surface of acoustic pickup 101 is provided with the magnet 103 for fixing acoustic pickup 101.
On wireless communication module 3, be provided with antenna 4, between antenna and wireless communication module 3, be connected by order wire 5.The conductor wire core of order wire 5 is the conductor wire core that the mixed strand of some copper wires and steel wire forms, and is not easy to fracture, and when convenient antenna reaches transformer shell outside, order wire is not fractureed.Antenna 4 basal surfaces are provided with sucker, and convenient antenna is adsorbed on the outside surface of transformer.
Wave filter 202 is bandpass filter, and when transformer occurs that when abnormal, sound is sharp-pointed noise, what need filtering is the sound under transformer normal running conditions, therefore needs to use the sound under bandpass filter filtering transformer normal operating conditions.
Between output interface 205, wireless communication module 3 and storer 204, be provided with capacitance.Capacitance prevents that leakage current from entering other operating circuits of rear end and producing undesired signal.
The inside surface that converges public address set 102 is provided with some concave surfaces, is conducive to sound-absorbing, reduces noise in converging sound.
Output interface 205 comprises Ethernet interface, RS485 interface and USB interface; In the time that wireless communication signals is bad, convenient by Ethernet interface, RS485 interface and USB interface output data.
Magnet 103 outer wrapping are provided with insulation course, prevent conduction, and security performance is high.
The power input of power circuit 201 is provided with clip shape link, and convenient other power leads of clamping are easy to connect.
Below be only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. a transformer cacophonia monitoring device, it is characterized in that, comprise sound collection module (1), acoustic processing module (2) and wireless communication module (3), described sound collection module (1) comprises acoustic pickup (101), described acoustic processing module (2) comprises power circuit (201), wave filter (202), power consumption amplifier (203), storer (204) and output interface (205), described power circuit (201), acoustic pickup (101), power consumption amplifier (203), wave filter (202), storer (204), output interface (205) is linked in sequence successively, described wireless communication module (3) is connected with storer (204),
The sound input end of described acoustic pickup (101) is provided with and converges public address set (102), described in to converge public address set (102) be an opening cover body, the bottom surface of described acoustic pickup (101) is provided with the magnet (103) for fixing acoustic pickup (101);
On described wireless communication module (3), be provided with antenna (4), between described antenna and wireless communication module (3), be connected by order wire (5);
Described wave filter (202) is bandpass filter;
Between described output interface (205), wireless communication module (3) and storer (204), be provided with capacitance.
2. a kind of transformer cacophonia monitoring device according to claim 1, is characterized in that: described antenna (4) basal surface is provided with sucker.
3. a kind of transformer cacophonia monitoring device according to claim 1, is characterized in that: described in converge public address set (102) inside surface be provided with some concave surfaces.
4. a kind of transformer cacophonia monitoring device according to claim 1, is characterized in that: described output interface (205) comprises Ethernet interface, RS485 interface and USB interface.
5. a kind of transformer cacophonia monitoring device according to claim 1, is characterized in that: described magnet (103) outer wrapping is provided with insulation course.
6. a kind of transformer cacophonia monitoring device according to claim 1, is characterized in that: the conductor wire core of described order wire (5) is the conductor wire core that the mixed strand of some copper wires and steel wire forms.
7. a kind of transformer cacophonia monitoring device according to claim 1, is characterized in that: the power input of described power circuit (201) is provided with clip shape link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410191654.7A CN103995195A (en) | 2014-05-08 | 2014-05-08 | Sound abnormity monitoring device of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410191654.7A CN103995195A (en) | 2014-05-08 | 2014-05-08 | Sound abnormity monitoring device of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103995195A true CN103995195A (en) | 2014-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410191654.7A Pending CN103995195A (en) | 2014-05-08 | 2014-05-08 | Sound abnormity monitoring device of transformer |
Country Status (1)
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| CN (1) | CN103995195A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389801A (en) * | 2014-10-16 | 2015-03-04 | 国家电网公司 | Transformer fan sound monitoring equipment |
| CN104574739A (en) * | 2014-12-24 | 2015-04-29 | 镇江长河电力技术有限公司 | Sound pickup-based transformer noise remote alarming system |
| CN106872167A (en) * | 2015-12-14 | 2017-06-20 | 天津益华微电子有限公司 | A kind of unmanned plane observation circuit |
| CN114286262A (en) * | 2021-11-18 | 2022-04-05 | 贵州电网有限责任公司 | Magnetic suction type sound signal collecting cochlea |
| CN114286262B (en) * | 2021-11-18 | 2024-04-12 | 贵州电网有限责任公司 | Magnetic sound signal acquisition cochlea |
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| WO2006019887A2 (en) * | 2004-07-26 | 2006-02-23 | Csi Technology, Inc. | Automation of imaging and dynamic signal analyses |
| CN102183697A (en) * | 2011-01-07 | 2011-09-14 | 深圳思量微系统有限公司 | System for monitoring noise and vibration of power transformer |
| CN102261948A (en) * | 2010-12-07 | 2011-11-30 | 鞍钢集团矿业公司 | System for monitoring and analyzing sound of operating state of transformer on line |
| 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 |
| CN203849342U (en) * | 2014-05-08 | 2014-09-24 | 昆山佑翔电子科技有限公司 | Transformer sound anomaly monitoring device |
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2014
- 2014-05-08 CN CN201410191654.7A patent/CN103995195A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006019887A2 (en) * | 2004-07-26 | 2006-02-23 | Csi Technology, Inc. | Automation of imaging and dynamic signal analyses |
| CN102261948A (en) * | 2010-12-07 | 2011-11-30 | 鞍钢集团矿业公司 | System for monitoring and analyzing sound of operating state of transformer on line |
| CN102183697A (en) * | 2011-01-07 | 2011-09-14 | 深圳思量微系统有限公司 | System for monitoring noise and vibration of power transformer |
| 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 |
| CN203849342U (en) * | 2014-05-08 | 2014-09-24 | 昆山佑翔电子科技有限公司 | Transformer sound anomaly monitoring device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104389801A (en) * | 2014-10-16 | 2015-03-04 | 国家电网公司 | Transformer fan sound monitoring equipment |
| CN104574739A (en) * | 2014-12-24 | 2015-04-29 | 镇江长河电力技术有限公司 | Sound pickup-based transformer noise remote alarming system |
| CN106872167A (en) * | 2015-12-14 | 2017-06-20 | 天津益华微电子有限公司 | A kind of unmanned plane observation circuit |
| CN114286262A (en) * | 2021-11-18 | 2022-04-05 | 贵州电网有限责任公司 | Magnetic suction type sound signal collecting cochlea |
| CN114286262B (en) * | 2021-11-18 | 2024-04-12 | 贵州电网有限责任公司 | Magnetic sound signal acquisition cochlea |
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Application publication date: 20140820 |