CN201893011U - On-line monitoring device for partial-discharge signal wireless transmission of transformer - Google Patents
On-line monitoring device for partial-discharge signal wireless transmission of transformer Download PDFInfo
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- CN201893011U CN201893011U CN201020274487XU CN201020274487U CN201893011U CN 201893011 U CN201893011 U CN 201893011U CN 201020274487X U CN201020274487X U CN 201020274487XU CN 201020274487 U CN201020274487 U CN 201020274487U CN 201893011 U CN201893011 U CN 201893011U
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- transformer
- partial
- monitoring device
- transceiving circuit
- transceiver circuit
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Abstract
The utility model discloses an on-line monitoring device for partial-discharge signal wireless transmission of a transformer, which is provided with an ultrasonic wave transducer, wherein the output of the ultrasonic wave transducer is connected with a singlechip; a data storage is connected with the singlechip; the output of the singlechip is connected with a wireless transceiving circuit A; the wireless transceiving circuit A is correspondingly provided with a ZigBee relay; the ZigBee relay is correspondingly provided with a wireless transceiving circuit B; and the wireless transceiving circuit B is connected with a computer. Electric signals of a plurality of ultrasonic wave detectors can be remotely and wirelessly transmitted to an upper computer, so as to realize the partial-discharge online monitoring of a plurality of transformers. Therefore, an optical fiber or a coaxial cable is saved, so that the raw material cost is lowered, the expense for paving the cable is also saved, and the online monitoring device has a simple structure and is convenient to install.
Description
Technical field:
The utility model relates to a kind of partial discharge of transformer signal on-Line Monitor Device, and especially a kind of partial discharge of transformer signal wireless simple in structure, that install easily, can grow distance transmission monitor signal transmits on-Line Monitor Device.
Background technology:
The electric field intensity value that the transformer built-in electrical insulation bears along with the raising of electric pressure is very high, is easy to produce shelf depreciation at the insulation weakness.Though this discharge only is present in the local location of insulation, can not form whole insulation connectivity immediately punctures or flashover, but also exist very big harmfulness: the one, make the insulating material of contiguous shelf depreciation be subjected to discharging particle direct bombardment and cause local damage, the 2nd, heat, ozone, nitrogen oxide isoreactivity gas that discharge is produced, it is aging to make minor insulation be subjected to corrosion.For this reason, need in time to find partial discharge of transformer and to get rid of, but very faint to have only the very high measurement of partial discharge instrument of sensitivity just can detect, as supersonic reflectoscope etc. because of partial discharge quantity.
Supersonic reflectoscope is the sound wave that occurs in the partial discharge of transformer with detecting, and by sonac sound wave is transformed to electric signal, utilizes the passing time difference of electric signal and acoustical signal, can try to achieve the distance of sensing point to point of discharge.At present, partial discharge of transformer signal on-Line Monitor Device is to be provided with a plurality of supersonic reflectoscopes, and the output of a plurality of supersonic reflectoscopes is joined by optical fiber or concentric cable and host computer, in order to concentrate the shelf depreciation situation of each transformer of on-line monitoring.A large amount of supersonic reflectoscopes or all cause the wiring confusion than the defeated distance of teletransmission are installed trouble, and it is big to take up room.
Summary of the invention:
The utility model is in order to solve the above-mentioned technical matters of existing in prior technology, to provide a kind of partial discharge of transformer signal wireless simple in structure, that install easily, can grow distance transmission monitor signal to transmit on-Line Monitor Device.
Technical solution of the present utility model is: a kind of partial discharge of transformer signal wireless transmission on-Line Monitor Device, ultrasonic sensor is arranged, the output and the single-chip microcomputer of ultrasonic sensor join, be connected to data-carrier store with single-chip microcomputer, it is characterized in that: the output of described single-chip microcomputer and wireless transceiver circuit A join; The corresponding ZigBee repeater that is provided with wireless transceiver circuit A; The corresponding wireless transceiver circuit B that is provided with the ZigBee repeater, wireless transceiver circuit B and computing machine join.
The utility model is provided with wireless transceiver circuit and the ZigBee repeater corresponding with it, the electric signal of a plurality of supersonic reflectoscopes can be grown distance, is wirelessly transmitted to host computer, realizes the partial discharge monitoring to many transformers.Save optical fiber or concentric cable, promptly reduced raw materials cost, also saved the expense of cable laying, simple in structure, easy for installation.
Description of drawings:
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment:
Below in conjunction with description of drawings embodiment of the present utility model.As shown in Figure 1: the same with prior art, ultrasonic sensor is arranged, the output and the single-chip microcomputer of ultrasonic sensor join, and are connected to data-carrier store with single-chip microcomputer, join with the output and the wireless transceiver circuit A of prior art different is described single-chip microcomputer; The corresponding ZigBee repeater that is provided with wireless transceiver circuit A; The corresponding wireless transceiver circuit B that is provided with the ZigBee repeater, wireless transceiver circuit B and computing machine join.
The ZigBee repeater is selected Guangzhou Zhou Ligong corporate agent's ZICM2410 module (the eshConnectTM module of U.S. CE L company) for use.The minimum reliable transmission of ZigBee wireless module bit error rate distance is in 500 meters, so can extend transmission distance by the mode of increase ZigBee repeater during greater than 500 meters when distance.
Claims (1)
1. a partial discharge of transformer signal wireless transmits on-Line Monitor Device, ultrasonic sensor is arranged, the output and the single-chip microcomputer of ultrasonic sensor join, and are connected to data-carrier store with single-chip microcomputer, it is characterized in that: the output of described single-chip microcomputer and wireless transceiver circuit A join; The corresponding ZigBee repeater that is provided with wireless transceiver circuit A; The corresponding wireless transceiver circuit B that is provided with the ZigBee repeater, wireless transceiver circuit B and computing machine join.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020274487XU CN201893011U (en) | 2010-07-29 | 2010-07-29 | On-line monitoring device for partial-discharge signal wireless transmission of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020274487XU CN201893011U (en) | 2010-07-29 | 2010-07-29 | On-line monitoring device for partial-discharge signal wireless transmission of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201893011U true CN201893011U (en) | 2011-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020274487XU Expired - Lifetime CN201893011U (en) | 2010-07-29 | 2010-07-29 | On-line monitoring device for partial-discharge signal wireless transmission of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201893011U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103424674A (en) * | 2013-08-02 | 2013-12-04 | 华北电力大学 | Detection device and warning method for partial discharge of power cable terminal |
| CN104267321A (en) * | 2014-10-08 | 2015-01-07 | 国家电网公司 | GIS state monitoring device based on Zigbee wireless networking |
| CN104515938A (en) * | 2013-10-01 | 2015-04-15 | 洛克威尔自动控制技术股份有限公司 | Systems and methods for detecting partial discharge in electrical components |
| CN106124943A (en) * | 2016-07-01 | 2016-11-16 | 河北箱变电器有限公司 | A kind of power system partial discharge monitoring device |
-
2010
- 2010-07-29 CN CN201020274487XU patent/CN201893011U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103424674A (en) * | 2013-08-02 | 2013-12-04 | 华北电力大学 | Detection device and warning method for partial discharge of power cable terminal |
| CN104515938A (en) * | 2013-10-01 | 2015-04-15 | 洛克威尔自动控制技术股份有限公司 | Systems and methods for detecting partial discharge in electrical components |
| CN104515938B (en) * | 2013-10-01 | 2017-11-14 | 洛克威尔自动控制技术股份有限公司 | System and method for detecting the shelf depreciation in electric component |
| CN104267321A (en) * | 2014-10-08 | 2015-01-07 | 国家电网公司 | GIS state monitoring device based on Zigbee wireless networking |
| CN106124943A (en) * | 2016-07-01 | 2016-11-16 | 河北箱变电器有限公司 | A kind of power system partial discharge monitoring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110706 |