CN203826281U - Vacuum degree monitoring device of vacuum circuit breaker - Google Patents
Vacuum degree monitoring device of vacuum circuit breaker Download PDFInfo
- Publication number
- CN203826281U CN203826281U CN201420156760.7U CN201420156760U CN203826281U CN 203826281 U CN203826281 U CN 203826281U CN 201420156760 U CN201420156760 U CN 201420156760U CN 203826281 U CN203826281 U CN 203826281U
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Abstract
The utility model discloses a vacuum degree monitoring device of a vacuum circuit breaker. The vacuum degree monitoring device comprises a pulse probe, a signal processing unit, a signal transmission unit, an on-site display and a remote communication interface, wherein the pulse probe, the signal processing unit and the signal transmission unit are sequentially connected, the pulse probe is installed under the vacuum circuit breaker, the signal processing unit comprises an amplification circuit, a band pass filter, a rectification filter circuit and a comparison circuit, and the on-site display and the remote communication interface are installed on the signal transmission unit. The vacuum degree monitoring device of the vacuum circuit breaker detects the abnormity of the vacuum degree of the breaker by detecting the pulse signals emitted by the detection breaker, amplifies the detected pulse signals, filters interference signals and outputs the processed signals to the display for displaying the monitoring result on a real-time basis, thereby achieving the purpose of on-line monitoring.
Description
Technical field
The utility model belongs to vacuum circuit-breaker monitoring technical field, relates in particular to a kind of Vacuity of Vacuum Circuit Breakers monitoring device.
Background technology
Maintenance and the detection of Vacuity of Vacuum Circuit Breakers, generally adopt off-line maintenance at present, in carrying out periodic inspection, adopts off-line equipment and test method, and the vacuum degree of vacuum interrupter is checked.The time between overhauls(TBO) that off-line method mandatory provision is certain, its principle is " expire required, it is required good to repair ", has suitable blindness and mandatory, practice shows that the work of planned maintenance considerable part does not have practical significance and is unnecessary, and result is exactly to have caused " the excessively maintenance " of equipment.If at a time when maintenance runs into equipment state defect later, but do not come out completely in maintenance process, could not find in time and put into operation, at this moment there will be again " maintenance is not enough " of equipment.Along with planning and the application development of intelligent grid technology, the intellectuality to electrical equipment and repair based on condition of component system are had higher requirement, and the online detection that therefore how to realize Vacuity of Vacuum Circuit Breakers is one of current problem to be solved.
Utility model content
The purpose of this utility model is to provide a kind of Vacuity of Vacuum Circuit Breakers monitoring device, is intended to realize the on-line monitoring of Vacuity of Vacuum Circuit Breakers.
The utility model is achieved in that a kind of Vacuity of Vacuum Circuit Breakers monitoring device comprises probe pulse, signal processing unit, signal transmission unit, on-the-spot display and remote communication interface; Described probe pulse, signal processing unit, signal transmission unit are connected successively, described probe pulse is arranged on vacuum circuit-breaker below, described signal processing unit comprises amplifying circuit, band pass filter, current rectifying and wave filtering circuit and comparison circuit, and described on-the-spot display and remote communication interface are arranged on signal transmission unit.
Further, described probe pulse is made up of insulation shell, electric screen layer, magnetic masking layer, epoxy resin, aluminum collection head and high-voltage capacitor.
Further, the electric screen layer of described probe pulse is embedded in magnetic masking layer inner side.
Further, signal is carried out A/D sampling by described signal processing unit, then carries out Fourier transform or digital filter Program extraction goes out three-phase first-harmonic and high-frequency signal.
Further, described signal transmission unit is by the transfer of data of chip microcontroller signal processing unit and on-the-spot display and remote communication interface, the variation that on-the-spot display can display waveform.
effect gathers
Vacuity of Vacuum Circuit Breakers checkout gear of the present utility model, detect by detection the pulse signal that circuit breaker sends and judge whether the vacuum degree of circuit breaker exists extremely, the pulse signal detecting is amplified also and exports to display after filtering interference signals, show in real time monitoring result, reach the object of on-line monitoring.
Brief description of the drawings
Fig. 1 is the structural representation of the Vacuity of Vacuum Circuit Breakers checkout gear that provides of the utility model embodiment;
In figure: 1, probe pulse; 2, signal processing unit; 3, signal transmission unit; 4, on-the-spot display; 5, remote communication interface.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 shows the structure of Vacuity of Vacuum Circuit Breakers checkout gear of the present utility model, as shown in the figure, the utility model is achieved in that a kind of Vacuity of Vacuum Circuit Breakers monitoring device comprises probe pulse 1, signal processing unit 2, signal transmission unit 3, on-the-spot display 4 and remote communication interface 5; Described probe pulse 1, signal processing unit 2, signal transmission unit 3 are connected successively, described probe pulse 1 is arranged on vacuum circuit-breaker below, described signal processing unit 2 comprises amplifying circuit, band pass filter, current rectifying and wave filtering circuit and comparison circuit, and described on-the-spot display 4 and remote communication interface 5 are arranged on signal transmission unit 3.
Further, described probe pulse 1 is made up of insulation shell, electric screen layer, magnetic masking layer, epoxy resin, aluminum collection head and high-voltage capacitor.
Further, the electric screen layer of described probe pulse 1 is embedded in magnetic masking layer inner side.
Further, signal is carried out A/D sampling by described signal processing unit 2, then carries out Fourier transform or digital filter Program extraction goes out three-phase first-harmonic and high-frequency signal.
Further, described signal transmission unit 3 is the transfer of data with on-the-spot display 4 and remote communication interface 5 by chip microcontroller signal processing unit 2, the variation that on-the-spot display 4 can display waveform.
Vacuity of Vacuum Circuit Breakers checkout gear of the present utility model, detect by detection the pulse signal that circuit breaker sends and judge whether the vacuum degree of circuit breaker exists extremely, the pulse signal detecting is amplified also and exports to display after filtering interference signals, show in real time monitoring result, reach the object of on-line monitoring.
By reference to the accompanying drawings embodiment of the present utility model is described although above-mentioned; but the not restriction to the utility model protection range; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendments that performing creative labour can make or distortion still within protection range of the present utility model.
Claims (1)
1. a Vacuity of Vacuum Circuit Breakers monitoring device, is characterized in that, described Vacuity of Vacuum Circuit Breakers monitoring device comprises probe pulse, signal processing unit, signal transmission unit, on-the-spot display and remote communication interface; Described probe pulse, signal processing unit, signal transmission unit are connected successively, described probe pulse is arranged on vacuum circuit-breaker below, described signal processing unit comprises amplifying circuit, band pass filter, current rectifying and wave filtering circuit and comparison circuit, and described on-the-spot display and remote communication interface are arranged on signal transmission unit;
Described probe pulse is made up of insulation shell, electric screen layer, magnetic masking layer, epoxy resin, aluminum collection head and high-voltage capacitor;
The electric screen layer of described probe pulse is embedded in magnetic masking layer inner side;
Signal is carried out A/D sampling by described signal processing unit, then carries out Fourier transform or digital filter Program extraction goes out three-phase first-harmonic and high-frequency signal;
Described signal transmission unit is by the transfer of data of chip microcontroller signal processing unit and on-the-spot display and remote communication interface, the variation that on-the-spot display can display waveform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420156760.7U CN203826281U (en) | 2014-04-02 | 2014-04-02 | Vacuum degree monitoring device of vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420156760.7U CN203826281U (en) | 2014-04-02 | 2014-04-02 | Vacuum degree monitoring device of vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203826281U true CN203826281U (en) | 2014-09-10 |
Family
ID=51481752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420156760.7U Expired - Fee Related CN203826281U (en) | 2014-04-02 | 2014-04-02 | Vacuum degree monitoring device of vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203826281U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409275A (en) * | 2014-11-19 | 2015-03-11 | 大连理工大学 | Vacuum degree online monitoring instrument for vacuum arc-extinguishing chamber |
| CN105277873A (en) * | 2015-10-12 | 2016-01-27 | 三峡大学 | Device for evaluating insulating property of vacuum circuit breaker |
| CN105405714A (en) * | 2015-11-25 | 2016-03-16 | 国网河南省电力公司三门峡供电公司 | Non-contact type 10kV vacuum circuit breaker vacuum degree test apparatus |
| CN106840509A (en) * | 2016-12-29 | 2017-06-13 | 河南平高电气股份有限公司 | Vacuity of Vacuum Circuit Breakers on-line monitoring system based on superfrequency Cleaning Principle |
| CN109029837A (en) * | 2018-08-08 | 2018-12-18 | 安徽亚辉电气自动化有限公司 | A kind of vacuum monitoring system of vacuum circuit breaker |
| CN111584299A (en) * | 2020-05-29 | 2020-08-25 | 国网河南省电力公司邓州市供电公司 | Self-checking circuit and self-checking method for signal acquisition loop of vacuum degree monitoring device |
-
2014
- 2014-04-02 CN CN201420156760.7U patent/CN203826281U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409275A (en) * | 2014-11-19 | 2015-03-11 | 大连理工大学 | Vacuum degree online monitoring instrument for vacuum arc-extinguishing chamber |
| CN104409275B (en) * | 2014-11-19 | 2017-02-22 | 大连理工大学 | Vacuum degree online monitoring instrument for vacuum arc-extinguishing chamber |
| CN105277873A (en) * | 2015-10-12 | 2016-01-27 | 三峡大学 | Device for evaluating insulating property of vacuum circuit breaker |
| CN105405714A (en) * | 2015-11-25 | 2016-03-16 | 国网河南省电力公司三门峡供电公司 | Non-contact type 10kV vacuum circuit breaker vacuum degree test apparatus |
| CN106840509A (en) * | 2016-12-29 | 2017-06-13 | 河南平高电气股份有限公司 | Vacuity of Vacuum Circuit Breakers on-line monitoring system based on superfrequency Cleaning Principle |
| CN109029837A (en) * | 2018-08-08 | 2018-12-18 | 安徽亚辉电气自动化有限公司 | A kind of vacuum monitoring system of vacuum circuit breaker |
| CN111584299A (en) * | 2020-05-29 | 2020-08-25 | 国网河南省电力公司邓州市供电公司 | Self-checking circuit and self-checking method for signal acquisition loop of vacuum degree monitoring device |
| CN111584299B (en) * | 2020-05-29 | 2022-03-01 | 国网河南省电力公司邓州市供电公司 | Self-checking circuit and self-checking method for signal acquisition loop of vacuum degree monitoring device |
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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: 20140910 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |