CN104792399A - Online noise monitoring device for power distribution transformer - Google Patents
Online noise monitoring device for power distribution transformer Download PDFInfo
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- CN104792399A CN104792399A CN201510108206.0A CN201510108206A CN104792399A CN 104792399 A CN104792399 A CN 104792399A CN 201510108206 A CN201510108206 A CN 201510108206A CN 104792399 A CN104792399 A CN 104792399A
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Abstract
The invention discloses an online noise monitoring device for a power distribution transformer. The online noise monitoring device comprises a tank. The tank is mounted at an edge of the transformer, a noise sensor which is used for acquiring noise signals near the transformer and converting the noise signals into digital signals by means of A/D (analog/digital) conversion is mounted in the tank and is in communication connection with a sensor signal acquiring device by a serial port, the noise signal acquiring device is also mounted in the tank and uploads data of the noise signals into an A8 upper computer monitoring system after the digital noise signal are read, and the A8 upper computer monitoring system is connected with the noise sensor by a wireless network; the noise sensor is a WST60M noise sensor, the sensor signal acquiring device is an STM32F103 sensor signal acquiring system, and the noise sensor is in serial communication with the sensor signal acquiring device via the serial port which comprises a signal transmitting wire, a signal receiving wire and a signal ground wire. The online noise monitoring device has the advantages of reasonable structural composition, convenience and reliability in use, capability of reducing environmental noise pollution, and the like.
Description
Technical field
What the present invention relates to is a kind of online noise-monitoring equipment for transformer, belongs to the malfunction monitoring technical field of power equipment.
Background technology
Transformer is the important power equipment of one in electric power facility, the transformer be in During Process of Long-term Operation can because the generation of a variety of causes causing trouble, once break down requiring that electric power first-aid workman goes to immediately, to drop into repairing as early as possible, ensure the normal operation of power circuit.The fault of substation transformer occurs, and can send larger noise; And the Long-Time Service of substation transformer, also can increase noise gradually, affect surrounding environment safety, therefore by fault noise and the environmental impact noise of Timeliness coverage transformer, also become the normal factor run needs and think better of of power circuit safety.
Summary of the invention
The object of the invention is to the deficiency overcoming prior art existence, and provide a kind of structure to form rationally, and easy to use and reliable, intellectual monitoring can be realized, ensure power circuit safe operation, reduce the online noise-monitoring equipment for transformer to pollution from environmental noise.
The object of the invention is to have come by following technical solution, a kind of online noise-monitoring equipment for substation transformer, it comprises one and is arranged on casing on transformer limit, be provided with in described casing one for gather noise signal near transformer and by noise signal by A/D convert to digital signal noise transducer, this noise transducer is connected with the same collecting sensor signal device communication be arranged in casing by serial port, and to read the data upload of noise signal after digital noise signal in the A8 host computer be connected or industrial computer.
Described noise transducer is a WST60M noise transducer, described collecting sensor signal device is a STM32F103 collecting sensor signal system, and described noise transducer is sent by a signal, the serial port that forms of totally 3 lines and described collecting sensor signal device carry out serial communication for a Signal reception and a signal ground.
The present invention has structure composition rationally, easy to use and reliable, can realize intellectual monitoring, ensures the features such as power circuit safe operation.
Accompanying drawing explanation
Fig. 1 is structure theory of constitution schematic diagram 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 online noise-monitoring equipment for substation transformer of the present invention, it comprises one and is arranged on casing 2 on transformer 1 limit, one is provided with for gathering noise signal near transformer 1 in described casing 2, and by noise signal by A/D convert to digital signal noise transducer 3, this noise transducer 3 is connected with same collecting sensor signal device 5 communication be arranged in casing 1 by serial port 4, and to read the data upload of noise signal after digital noise signal in the A8 host computer (not shown) be connected, described A8 Monitor Computer Control System can replace with any one industrial computer existing, comprises intelligent industrial computer.
Embodiment:
Shown in figure, noise transducer 3 of the present invention is a WST60M noise transducer, described collecting sensor signal device 5 is a STM32F103 collecting sensor signal system, and described noise transducer 3 is sent by a signal, a Signal reception and the signal ground serial port 4 that totally 3 lines are formed carries out serial communication with described collecting sensor signal device 5.
What A8 host computer of the present invention was selected is a kind of AM335X microprocessor based on ARMcortex-A8, with the SD card being greater than 2G, it connects the liquid crystal display that can show various data in real time by parallel data grabbing card, respectively connected GPRS module and RF module by dual serial mouth, and send note to corresponding with SIM card terminating machine by described at least one GPRS module; Described A8 host computer and collecting sensor signal system are all installed in a monitoring box body, and the front of described monitoring box body is provided with described liquid crystal display.
WST60M noise-measuring module R-232 serial port communicating protocol in embodiment is:
One, serial ports basic parameter is arranged
1, baud rate: 9600
2, effect position: NONE
3, data bit: 8
4, position of rest: 1
Two, command format
Frame head+order+parameter+carriage return+line feed
57(H) xx yy 0A(H) 0D(H)。
Claims (2)
1. the online noise-monitoring equipment for substation transformer, it comprises one and is arranged on casing on transformer limit, it is characterized in that being provided with in described casing one for gather noise signal near transformer and by noise signal by A/D convert to digital signal noise transducer, this noise transducer is connected with the same collecting sensor signal device communication be arranged in casing by serial port, and to read noise signal data upload after digital noise signal in the A8 host computer be connected or industrial computer.
2. the online noise-monitoring equipment for transformer according to claim 1, it is characterized in that described noise transducer is a WST60M noise transducer, described collecting sensor signal device is a STM32F103 collecting sensor signal system, and described noise transducer is sent by a signal, the serial port that forms of totally 3 lines and described collecting sensor signal device carry out serial communication for a Signal reception and a signal ground.
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 true CN104792399A (en) | 2015-07-22 |
| CN104792399B CN104792399B (en) | 2017-12-08 |
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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) |
Cited By (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 (8)
| 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 |
| KR101383813B1 (en) * | 2012-09-28 | 2014-04-10 | 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 |
Cited By (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 |
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| Publication number | Publication date |
|---|---|
| CN104792399B (en) | 2017-12-08 |
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