CN202758036U - On-line monitoring device for DC power transmission line insulation flashover fault - Google Patents
On-line monitoring device for DC power transmission line insulation flashover fault Download PDFInfo
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- CN202758036U CN202758036U CN 201220433194 CN201220433194U CN202758036U CN 202758036 U CN202758036 U CN 202758036U CN 201220433194 CN201220433194 CN 201220433194 CN 201220433194 U CN201220433194 U CN 201220433194U CN 202758036 U CN202758036 U CN 202758036U
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- transmission line
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Abstract
Disclosed is an on-line monitoring device for DC power transmission line insulation flashover fault, comprising a sensing probe body and a data monitoring center, wherein the sensing probe comprises a housing, and a signal acquisition unit and a signal processing apparatus which are arranged inside the housing; the signal acquisition unit is connected with the signal processing apparatus; and the signal processing apparatus is connected with the data monitoring center in a wireless/wired manner. The on-line monitoring device of the utility model is applicable to the detection and positioning when the power transmission line insulators experience flashover breakdown, and other faults.
Description
Technical field
The utility model relates to a kind of probe that ultra-high-tension power transmission line insulation dodges fault that detects, and is specially a kind of DC power transmission line insulation flashover On-line Fault monitoring device.
Background technology
On the ultra-high-tension power transmission line of 500KV-1000KV, because external cause, flashover can occur or be worn etc. by thunderbolt in insulator chain, when insulator chain breaks down, because the deficiencies in the prior art cause malfunction elimination difficulty and localization of fault inaccurate, although present power high voltage transmission system is provided with fault locator, but certain section can only be determined in the location, and error can't replace the classic method of manual inspection investigation fault often at 1-3KM.
Summary of the invention
The purpose of this utility model provides a kind of ultra-high-tension power transmission line insulation fault transient current sensing probe.
To be solved in the utility model is on the existing ultra-high-tension power transmission line, when insulator chain breaks down, and the problem that malfunction elimination difficulty and localization of fault are inaccurate.
The technical solution of the utility model is:
It comprises sensing probe body and data monitor center, described sensing probe comprises shell and is located at shell interior signal gathering unit and signal processing apparatus, signal gathering unit is connected with signal processing apparatus, is wireless or wired connection between described signal processing apparatus and the data monitor center.
Advantage of the present utility model: when the faults such as electric transmission line isolator generation flashover breakdown, transient flow will produce pulsed magnetic field through the transient current of steel tower, the utility model will by the moment transient current produce pulsed magnetic field and be converted to voltage signal, according to the voltage signal that obtains faulty insulator is accurately located, and after fault occurs, the very first time reports to the police to data monitor center, thereby the trouble that replaces artificial investigation accident and trouble spot, for line accident repairing and recover to send electricity to win the quality time, save a large amount of manpower and materials, bring remarkable grid benefit and social benefit.
Description of drawings
Fig. 1 is theory diagram of the present utility model.
Fig. 2 is the structural representation of the utility model sensor.
Fig. 3 is structural representation of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As shown in the figure, the utility model comprises sensing probe and data monitor center 9, described sensing probe comprises shell 15 and signal gathering unit 1 and the signal processing apparatus 2 be located in the shell 15, signal gathering unit 1 is connected with signal processing apparatus 2, is wireless or wired connection between described signal processing apparatus 2 and the data monitor center 9.
Described signal processing apparatus 2 comprises A/D converter 3, preprocessor 4, central signal processing unit 5 and communication unit 6, signal gathering unit 1 is connected with A/D converter 3, A/D converter 3 is connected with preprocessor 4, preprocessor 4 is connected with central signal processing unit 5, central signal processing unit 5 is connected connection with communication unit, communication unit 6 by by GPRS/GSM to data monitor center 9 transmitted signals.
Described signal processing apparatus 2 also comprises protected location 12, with electromechanical source 11 and charging protector 10; Protected location 12 respectively with signal gathering unit 1 be connected electromechanical source 11 and be connected, charging protector 10 be connected with electromechanical source 11.
The separating-closing type cylinder tube shape cavity that described shell 15 is comprised of two stainless steel semicircle annular housings.
Describedly pass through solar recharging with electromechanical source 11.
Sensor probe of the present utility model is installed in four main material top or insulator chain and the steel tower cross-arm connection place of the high-voltage transmission line towers of 500KV-1000KV, be used for monitoring ultra-high-tension power transmission line insulation flashover failure message, when the flashover breakdown fault occurs in insulator chain for some reason, transient flow will produce pulsed magnetic field through the transient current of steel tower, this magnetic field fleeting (less than 20 milliseconds), sensor probe of the present utility model can be in 20 milliseconds in time, induce accurately fault-signal pulse voltage value, and the fault-signal voltage shaping that this is faint, flow to signal processing means processes behind the amplitude limit.Namely basis is practical can effectively catch high pressure, UHV (ultra-high voltage), the transient signal when UHV transmission line insulation flashover fault occurs, the transient signal that obtains is changed by A/D converter, after front processor and central signal processing unit processes, with transient information by the GPRS/GSM wireless transmission method to back-end data Surveillance center main frame on, main frame is by after processing, show at display, thus real-time, online, intelligent, the remote monitoring function of realization transmission line of electricity insulation flashover fault.
Claims (6)
1. DC power transmission line insulation flashover On-line Fault monitoring device, comprise sensing probe and data monitor center, it is characterized in that described sensing probe comprises shell and is located at shell interior signal gathering unit and signal processing apparatus, signal gathering unit is connected with signal processing apparatus, is wireless or wired connection between described signal processing apparatus and the data monitor center.
2. DC power transmission line insulation flashover On-line Fault monitoring device according to claim 1, it is characterized in that described signal processing apparatus comprises A/D converter, preprocessor, central signal processing unit and communication unit, signal gathering unit is connected with A/D converter, A/D converter is connected with preprocessor, preprocessor is connected with the central signal processing unit, the central signal processing unit is connected with communication unit, and communication unit passes through by GPRS/GSM to the data monitor center transmitted signal.
3. DC power transmission line insulation flashover On-line Fault monitoring device according to claim 1 is characterized in that described signal processing apparatus also comprises protected location, with electromechanical source and charging protector; Protected location respectively with signal gathering unit be connected electromechanical source and be connected, charging protector be connected with electromechanical source.
4. DC power transmission line insulation flashover On-line Fault monitoring device according to claim 1 is characterized in that data monitor center comprises main frame and the display that is connected with main frame.
5. DC power transmission line insulation flashover On-line Fault monitoring device according to claim 1, it is characterized in that described signal gathering unit is sensor, this sensor comprises high frequency ferrite core and the coil that is around on the high frequency ferrite core, and this coil is three sections profile structures in high frequency ferrite core.
6. DC power transmission line insulation flashover On-line Fault monitoring device according to claim 1 is characterized in that the separating-closing type cylinder tube shape cavity that described shell is comprised of two stainless steel semicircle annular housings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220433194 CN202758036U (en) | 2012-08-29 | 2012-08-29 | On-line monitoring device for DC power transmission line insulation flashover fault |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220433194 CN202758036U (en) | 2012-08-29 | 2012-08-29 | On-line monitoring device for DC power transmission line insulation flashover fault |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202758036U true CN202758036U (en) | 2013-02-27 |
Family
ID=47737208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220433194 Expired - Fee Related CN202758036U (en) | 2012-08-29 | 2012-08-29 | On-line monitoring device for DC power transmission line insulation flashover fault |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202758036U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592577A (en) * | 2013-11-26 | 2014-02-19 | 南京航空航天大学 | Integrated directional non-contact cable fault detection positioning sensing device |
| CN113484697A (en) * | 2021-05-19 | 2021-10-08 | 北京宏优科技发展有限公司 | Insulator leakage analysis system and method |
| CN113484696A (en) * | 2021-05-19 | 2021-10-08 | 北京宏优科技发展有限公司 | Intelligent insulator flashover analysis system |
-
2012
- 2012-08-29 CN CN 201220433194 patent/CN202758036U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103592577A (en) * | 2013-11-26 | 2014-02-19 | 南京航空航天大学 | Integrated directional non-contact cable fault detection positioning sensing device |
| CN103592577B (en) * | 2013-11-26 | 2016-05-04 | 南京航空航天大学 | The directed noncontact Cable fault examination of integral type orientation sensing device |
| CN113484697A (en) * | 2021-05-19 | 2021-10-08 | 北京宏优科技发展有限公司 | Insulator leakage analysis system and method |
| CN113484696A (en) * | 2021-05-19 | 2021-10-08 | 北京宏优科技发展有限公司 | Intelligent insulator flashover analysis system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG JILONG POWER ELECTRONICS TECHNOLOGY CO., Free format text: FORMER OWNER: DAN HUIDONG Effective date: 20130506 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130506 Address after: 314100, Zhejiang District, Huimin County, Jiashan Province, 100 Jin Jia Road, B District, No. 1-2 Patentee after: ZHEJIANG JILONG POWER ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 314100, Jiaxing, Zhejiang province Jiashan County Road, 136 good East Road, West staircase, 2 floor Patentee before: Shan Huidong |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20210829 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |