CN203849342U - Transformer sound anomaly monitoring device - Google Patents
Transformer sound anomaly monitoring device Download PDFInfo
- Publication number
- CN203849342U CN203849342U CN201420232307.XU CN201420232307U CN203849342U CN 203849342 U CN203849342 U CN 203849342U CN 201420232307 U CN201420232307 U CN 201420232307U CN 203849342 U CN203849342 U CN 203849342U
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- Prior art keywords
- transformer
- monitoring device
- sound
- wireless communication
- communication module
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Abstract
The utility model discloses a transformer sound anomaly monitoring device which comprises a sound acquisition module (1), a sound processing module (2) and a wireless communication module (3). The sound acquisition 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). The wireless communication module (3) is connected with the memory (204). The sound input end of the pickup (101) is provided with a convergence sound amplification device (102). The wireless communication module (3) is provided with antenna (4). The filter (202) is a band pass filter. Blocking capacitors are arranged among the output interface (205), the wireless communication module (3) and the memory (204). The transformer sound anomaly monitoring device provided by the utility model has the advantages of accurate sound acquisition and high efficiency, and is convenient for the sound anomaly monitoring of a transformer.
Description
Technical field
The utility model relates to transformer monitoring field, relates 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, when transformer is scrapped, sound monitoring device is also scrapped together, can not reuse, and produces waste.
Utility model content
The utility model has overcome the deficiencies in the prior art, and a kind of transformer cacophonia monitoring device is provided, separated with transformer, and independent use is convenient for different transformers.
For solving the problems of the technologies described above, the technical solution adopted in the utility model 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 for the fixing magnet of acoustic pickup.
On wireless communication module, be provided with antenna, between antenna and wireless communication module, by order wire, be connected.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 need 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 when converging sound.
Output interface comprises Ethernet interface, RS485 interface and USB interface; When 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, the beneficial effects of the utility model have: the utility model acoustic pickup collected sound signal, 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 application has been placed on Surveillance center by the processing to data, processing speed is fast, Surveillance center does not belong to assembly of the present utility model.
Further, the utility model sound collection 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, the utility model output interface comprises Ethernet interface, RS485 interface and USB interface; When wireless communication signals is bad, convenient by Ethernet interface, RS485 interface and USB interface output data.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is annexation schematic diagram between the utility model assembly.
Embodiment
Below in conjunction with accompanying drawing, the utility model 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 for the fixing magnet 103 of acoustic pickup 101.
On wireless communication module 3, be provided with antenna 4, between antenna and wireless communication module 3, by order wire 5, be connected.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 need 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 when converging sound.
Output interface 205 comprises Ethernet interface, RS485 interface and USB interface; When 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 preferred implementation of the present utility model; be noted that for those skilled in the art; not departing under the prerequisite of the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
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 for the fixing magnet (103) of acoustic pickup (101);
On described wireless communication module (3), be provided with antenna (4), between described antenna and wireless communication module (3), by order wire (5), be connected;
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 |
|---|---|---|---|
| CN201420232307.XU CN203849342U (en) | 2014-05-08 | 2014-05-08 | Transformer sound anomaly monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420232307.XU CN203849342U (en) | 2014-05-08 | 2014-05-08 | Transformer sound anomaly monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203849342U true CN203849342U (en) | 2014-09-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420232307.XU Expired - Fee Related CN203849342U (en) | 2014-05-08 | 2014-05-08 | Transformer sound anomaly monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203849342U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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
- 2014-05-08 CN CN201420232307.XU patent/CN203849342U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140924 Termination date: 20150508 |
|
| EXPY | Termination of patent right or utility model |