CN104792399B - A kind of online noise-monitoring equipment for distribution transformer - Google Patents
A kind of online noise-monitoring equipment for distribution transformer Download PDFInfo
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- CN104792399B CN104792399B CN201510108206.0A CN201510108206A CN104792399B CN 104792399 B CN104792399 B CN 104792399B CN 201510108206 A CN201510108206 A CN 201510108206A CN 104792399 B CN104792399 B CN 104792399B
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Abstract
A kind of online noise-monitoring equipment for distribution transformer, it includes a casing being arranged on transformer side, one is provided with described casing to be used to gather noise signal near transformer and noise signal is converted into the noise transducer of data signal by A/D, the noise transducer is communicated by serial port and the collecting sensor signal device being similarly installed in casing and connected, and uploads the data of noise signal in the A8 Monitor Computer Control Systems being connected through Wi-Fi after digital noise signal is read；Described noise transducer is a WST60M noise transducers, described collecting sensor signal device is a STM32F103 collecting sensor signal systems, and the noise transducer is sent by a signal, a signal receives and the signal ground serial port that totally 3 lines are formed carries out serial communication with the collecting sensor signal device；It has that structure composition is reasonable, easy to use and reliable, the features such as reduction to pollution from environmental noise.
Description
Technical field
The present invention relates to a kind of online noise-monitoring equipment for transformer, belong to the malfunction monitoring of power equipment
Technical field.
Background technology
Transformer is a kind of important power equipment in electric power facility, transformer in During Process of Long-term Operation can because
A variety of causes causes the generation of failure, once breaking down will require that electric power first-aid worker goes to immediately, is robbed to put into as early as possible
Repair, ensure the normal operation of power circuit.The failure of distribution transformer occurs, and can send larger noise；And distribution transformer
Long-term use, also can gradually increase noise, surrounding environment safety be influenceed, therefore by finding the failure noise of transformer in time
And environment influences noise, the factor thought better of is also needed as the safe normal operation of power circuit.
The content of the invention
It is an object of the invention to overcome the shortcomings of the prior art, and it is reasonable to provide a kind of structure composition, user
It can lean on, intellectual monitoring can be realized, ensure power circuit safe operation, reduce existing for transformer to pollution from environmental noise
Line noise-monitoring equipment.
The purpose of the present invention is completed by following technical solution, and a kind of online noise for distribution transformer is supervised
Device is surveyed, it includes a casing being arranged on transformer side, and one is provided with described casing and is used to gather near transformer
Noise signal and the noise transducer that noise signal is converted into data signal by A/D, the noise transducer passes through serial
Mouth is communicated with the collecting sensor signal device being similarly installed in casing and connected, and believes noise after digital noise signal is read
Number data upload in connected A8 host computers or industrial computer.
Described noise transducer is a WST60M noise transducers, and described collecting sensor signal device is one
STM32F103 collecting sensor signal systems, the noise transducer is sent by a signal, a signal receives and a signal
The ground serial port that totally 3 lines are formed carries out serial communication with the collecting sensor signal device.
The present invention is reasonable with structure composition, easy to use and reliable, can realize intellectual monitoring, ensures that power circuit is transported safely
The features such as row.
Brief description of the drawings
Fig. 1 is the structure composition principle schematic of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be described in detail：Shown in Fig. 1, a kind of distribution that is used for of the present invention becomes
The online noise-monitoring equipment of depressor, it includes a casing 2 being arranged on the side of transformer 1, one is provided with described casing 2
For gathering the neighbouring noise signal of transformer 1 and noise signal being converted into the noise transducer 3 of data signal by A/D,
The noise transducer 3 is communicated by serial port 4 and the collecting sensor signal device 5 being similarly installed in casing 1 and connected, and is being read
The data of noise signal are uploaded in connected A8 host computers after taking digital noise signal（Do not show in figure）；Described A8 host computers
Monitoring system can be replaced with any one existing industrial computer, including intelligent industrial computer.
Embodiment：
Shown in figure, noise transducer 3 of the present invention is a WST60M noise transducers, described sensor signal
Collector 5 is a STM32F103 collecting sensor signal systems, and the noise transducer 3 is sent by a signal, a signal connects
Receive and the signal ground serial port 4 that totally 3 lines are formed carries out serial communication with the collecting sensor signal device 5.
What A8 host computers of the present invention were selected is a kind of AM335X microprocessors based on ARMcortex-A8, is carried
SD card more than 2G, it is capable of the liquid crystal display of the various data of real-time display by parallel data grabbing card connection, passes through two
Serial port respectively connected GPRS module and RF modules, and send an SMS to corresponding band by a described at least GPRS module
There is SIM card terminating machine；Described A8 host computers and collecting sensor signal system is installed in a monitoring box body, described
The front of monitoring box body is provided with described liquid crystal display.
WST60M noise-measuring module R-232 serial port communicating protocols in embodiment are：
One, serial ports basic parameter is set
1, baud rate:9600
2, effect position:NONE
3, data bit:8
4, stop position:1
Two, command format
Frame head+order+parameter+carriage return+line feed
57(H) xx yy 0A(H) 0D(H)。
Claims (1)
1. a kind of online noise-monitoring equipment for distribution transformer, it includes a casing being arranged on transformer side, its
It is characterised by that a noise signal being used to gather near transformer is installed in the casing and turns noise signal by A/D
Change the noise transducer of data signal into, the noise transducer is believed by serial port and the sensor being similarly installed in casing
The communication connection of number collector, and upload noise signal data in the A8 host computers or work that are connected after digital noise signal is read
Control machine；
Described noise transducer is a WST60M noise transducers, and described collecting sensor signal device is a STM32F103
Collecting sensor signal system, the noise transducer is sent by a signal, a signal receives and a signal ground totally 3 lines
The serial port of composition carries out serial communication with the collecting sensor signal device；
What described A8 host computers were selected is a kind of AM335X microprocessors based on ARMcortex-A8, with the SD more than 2G
Card, it is capable of the liquid crystal display of the various data of real-time display by parallel data grabbing card connection, distinguished by dual serial mouth
GPRS module and RF modules are connected to, and is sent an SMS to accordingly with SIM card end by a described at least GPRS module
Terminal；Described A8 host computers and collecting sensor signal system is installed in a monitoring box body, in the monitoring box body
Front be provided with described liquid crystal display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510108206.0A CN104792399B (en) | 2015-03-12 | 2015-03-12 | A kind of online noise-monitoring equipment for distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510108206.0A CN104792399B (en) | 2015-03-12 | 2015-03-12 | A kind of online noise-monitoring equipment for distribution transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104792399A CN104792399A (en) | 2015-07-22 |
| CN104792399B true CN104792399B (en) | 2017-12-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510108206.0A Active CN104792399B (en) | 2015-03-12 | 2015-03-12 | A kind of online noise-monitoring equipment for distribution transformer |
Country Status (1)
| Country | Link |
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| CN (1) | CN104792399B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107271022A (en) * | 2017-05-31 | 2017-10-20 | 国网山西省电力公司电力科学研究院 | A kind of transformer vibration noise Integrated Measurement System |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101246043A (en) * | 2008-03-28 | 2008-08-20 | 清华大学 | On-line monitoring method for vibration and noise of AC power transformer influenced by DC magnetic biasing |
| CN102495320A (en) * | 2011-12-21 | 2012-06-13 | 鞍钢集团矿业公司 | Dynamic monitoring system and on-line monitoring method of transformer operation exception |
| CN203274907U (en) * | 2013-05-23 | 2013-11-06 | 国家电网公司 | Mobile noise detection system special for transformer devices and transformer station areas |
| KR20140042424A (en) * | 2012-09-28 | 2014-04-07 | 한전케이디엔주식회사 | System and method for monitoring and diagnosing power transformer |
| 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 |
| CN104406635A (en) * | 2014-12-02 | 2015-03-11 | 国家电网公司 | Device for comprehensively monitoring operation state of power transformer |
| CN204730934U (en) * | 2015-03-12 | 2015-10-28 | 国网浙江海盐县供电公司 | For the online noise-monitoring equipment of substation transformer |
-
2015
- 2015-03-12 CN CN201510108206.0A patent/CN104792399B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101246043A (en) * | 2008-03-28 | 2008-08-20 | 清华大学 | On-line monitoring method for vibration and noise of AC power transformer influenced by DC magnetic biasing |
| CN102495320A (en) * | 2011-12-21 | 2012-06-13 | 鞍钢集团矿业公司 | Dynamic monitoring system and on-line monitoring method of transformer operation exception |
| KR20140042424A (en) * | 2012-09-28 | 2014-04-07 | 한전케이디엔주식회사 | System and method for monitoring and diagnosing power transformer |
| CN203274907U (en) * | 2013-05-23 | 2013-11-06 | 国家电网公司 | Mobile noise detection system special for transformer devices and transformer station areas |
| 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 |
| CN104406635A (en) * | 2014-12-02 | 2015-03-11 | 国家电网公司 | Device for comprehensively monitoring operation state of power transformer |
| CN204730934U (en) * | 2015-03-12 | 2015-10-28 | 国网浙江海盐县供电公司 | For the online noise-monitoring equipment of substation transformer |
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| Publication number | Publication date |
|---|---|
| CN104792399A (en) | 2015-07-22 |
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