CN203929985U - The ultrasonic positioner of the withstand voltage breakdown fault of a kind of GIS - Google Patents
The ultrasonic positioner of the withstand voltage breakdown fault of a kind of GIS Download PDFInfo
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- CN203929985U CN203929985U CN201420336594.9U CN201420336594U CN203929985U CN 203929985 U CN203929985 U CN 203929985U CN 201420336594 U CN201420336594 U CN 201420336594U CN 203929985 U CN203929985 U CN 203929985U
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Abstract
The utility model discloses the ultrasonic positioner of the withstand voltage breakdown fault of a kind of GIS, gather ultrasonic signals by the multiple ultrasonic sensors that are installed on the shell cavity of GIS interval air chamber, and after changing, export data analysis module through filter amplifying processing, the A/D of signal processing module to, when signal after treatment meets when pre-conditioned, judge that the position at the ultrasonic sensor place that gathers ultrasonic signal is doubtful abort situation; By first judging the position of check point of signal amplitude maximum, and then judge whether the scope that differs the signal duration of this position and the signal duration of proximity detection point judges in preset range whether this point is doubtful abort situation, only can judge doubtful abort situation by obtaining of a ultrasonic signal, avoid adopting the normal GIS position that makes that scheme of the prior art causes to form the problem of insulation harm.
Description
Technical field
The utility model relates to localization of fault field, relates in particular to the ultrasonic positioner of the withstand voltage breakdown fault of a kind of GIS.
Background technology
Gas insulated combined electric appliance equipment (Gas Insulated Switchgear, GIS) refer to the Cubicle Gas-Insulated Switchgear using SF6 as insulating medium, also referred to as gas insulated metal enclosed swit chgear, there is floor area little, space compactness, be not affected by the external environment, high reliability, the existing trend that replaces conventional substation.
GIS On-Site Testing is as a handing-over property pilot project, its objective is and check that GIS equipment is packed, transported from disintegrating and the introducing that has or not potential faults these a series of processes is installed at scene, verify that whether its insulating property are intact, but because the technology controlling and process in the processes such as installation, transport is bad and other factors
In withstand voltage process, can there is breakdown fault in GIS.
Therefore, location abort situation becomes problem demanding prompt solution.
At present, the abort situation localization method generally using is by change-over switch state, finds this trouble spot, but adopt in such a way by withstand voltage mode repeatedly, easily makes normal GIS position form insulation harm.
Utility model content
In view of this, the utility model provides a kind of GIS ultrasonic positioner of withstand voltage breakdown fault, easily makes normal GIS position form insulation harm to solve in prior art, causes the problem of unnecessary loss, and its concrete scheme is as follows:
A ultrasonic positioner for the withstand voltage breakdown fault of GIS, comprising:
Be installed on the multiple ultrasonic sensors on the shell cavity of gas insulated combined electric appliance equipment GIS interval air chamber, described ultrasonic sensor gathers ultrasonic signal output;
With the signal processing module that described ultrasonic sensor is connected, described signal processing module carries out filter amplifying processing and A/D conversion to the ultrasonic signal of described ultrasonic sensor transmission, and ultrasonic signal after treatment is exported;
The data analysis module being connected with described signal processing module, described data analysis module judges whether the ultrasonic signal after treatment that described signal processing module sends meets pre-conditioned, if meet, the ultrasonic sensor position of judging the described ultrasonic signal of collection is doubtful abort situation
Wherein, differ in preset range with the signal duration of contiguous ultrasonic sensor check point the signal duration of the check point of the described pre-conditioned signal amplitude maximum for ultrasonic signal.
Further, also comprise: the wireless communication module being connected respectively with described signal processing module and data analysis module,
Described signal processing module is sent to wireless communication module by radio-frequency radiation antenna by described ultrasonic signal after treatment, and described ultrasonic signal after treatment is sent to data analysis module by described wireless communication module.
Further, daubing coupling agent on described ultrasonic sensor.
Further, the position of described multiple ultrasonic sensors arranges according to the air chamber number in GIS withstand voltage test region and the number of ultrasonic sensor and arranges.
Further, comprising: each GIS interval air chamber arranges a ultrasonic sensor outward.
Further, also comprise: on bus, every 5-7m arranges a ultrasonic sensor.
Further, described preset range is in ± 10%.
Further, described signal processing module comprises:
Be connected with described ultrasonic sensor, the ultrasonic signal receiving carried out to the filter and amplification unit of filter and amplification;
Be connected respectively with described filter and amplification unit and data analysis module, the A/D converting unit that the ultrasonic signal after described amplification is after filtering carried out to digital-to-analog conversion.
Further, described wireless communication module comprises:
Be connected by radio-frequency radiation antenna with described signal processing module, receive the also wireless transport module of output of signal that described signal processing module sends;
Be connected by radio-frequency radiation antenna with described wireless transport module, receive the signal that described wireless transport module sends, and the described signal receiving is transferred to the wireless receiving module of data analysis module.
Further, described wireless receiving module is arranged on described data analysis module.
Can find out from technique scheme, the ultrasonic positioner of the withstand voltage breakdown fault of the disclosed GIS of the utility model, gather ultrasonic signals by the multiple ultrasonic sensors that are installed on the shell cavity of GIS interval air chamber, and the filter amplifying processing of process signal processing module, after A/D conversion, export data analysis module to, when signal after treatment meets when pre-conditioned, the position that judges the ultrasonic sensor place that gathers ultrasonic signal is doubtful abort situation, wherein, differed in preset range the signal duration of the check point of the pre-conditioned signal amplitude maximum for ultrasonic signal with the signal duration of contiguous ultrasonic sensor check point.First this programme by judging the position of check point of signal amplitude maximum, and then judge whether the scope that differs the signal duration of this position and the signal duration of proximity detection point judges in preset range whether this point is doubtful abort situation, only can judge doubtful abort situation by obtaining of a ultrasonic signal, avoid adopting the normal GIS position that makes that scheme of the prior art causes to form the problem of insulation harm.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the ultrasonic positioner of the withstand voltage breakdown fault of the disclosed a kind of GIS of the utility model embodiment;
Fig. 2 is the structural representation of the ultrasonic positioner example of the withstand voltage breakdown fault of the disclosed a kind of GIS of the utility model embodiment;
Fig. 3 is the structural representation of the ultrasonic positioner of the withstand voltage breakdown fault of the disclosed a kind of GIS of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The present embodiment discloses the ultrasonic positioner of the withstand voltage breakdown fault of a kind of GIS, and its structural representation as shown in Figure 1, comprising:
Ultrasonic sensor 11, the signal processing module 12 being connected with ultrasonic sensor 11, the data analysis module 13 being connected with signal processing module 12.
Ultrasonic sensor 11 is installed on gas insulated combined electric appliance equipment (GAS INSULATEDSWITCHGEAR, GIS) on the shell cavity of interval air chamber, ultrasonic sensor 11 can have multiple, arranges the position of each ultrasonic sensor 11 according to the air chamber number in GIS withstand voltage test region and ultrasonic sensor number.Preferably, each GIS interval air chamber arranges a ultrasonic sensor outward, and in addition, on bus, every 5-7m arranges a ultrasonic sensor.
Ultrasonic sensor 11 gathers ultrasonic signal, and this ultrasonic signal is the ultrasonic signal that GIS withstand voltage test process breakdown fault sends, and exports the ultrasonic signal collecting to signal processing module 12.
The ultrasonic signal that signal processing module 12 transmits multiple ultrasonic sensors 11 carries out filter amplifying processing and A/D conversion, wherein, signal processing module 12 comprises: filter and amplification unit, A/D converting unit, filter and amplification unit carries out filter and amplification to the ultrasonic signal receiving, and realize analog to digital conversion through A/D converting unit, and the signal after conversion is sent to data analysis module 13.
It is pre-conditioned that data analysis module 13 judges whether ultrasonic signal after treatment that signal processing module 12 sends meets, and in the time meeting, judges that ultrasonic sensor 11 positions that gather this ultrasonic signal are doubtful abort situation.
Data analysis module 13 obtains the ultrasonic signal that all ultrasonic sensors 11 gather, and all ultrasonic signals that obtain are shown, stored and judge.
Wherein, be pre-conditionedly: differed in preset range the signal duration of the check point of the signal amplitude maximum of ultrasonic signal with the signal duration of contiguous ultrasonic sensor check point.
Preferably, preset range can be in ± 10%.
The ultrasonic signal gathering when some ultrasonic sensors is the signal of amplitude maximum in all ultrasonic signals, and differed in preset range the signal duration of this ultrasonic signal with the duration of contiguous ultrasonic sensor check point, and the check point at this ultrasonic sensor place is doubtful abort situation.
Fig. 2 is the localization of fault example block diagram under the on-the-spot ac voltage withstanding of certain 550kV GIS of transformer station, and in figure, 1-8 place round dot represents the position of ultrasonic sensor, and each ultrasonic sensor at the signal of withstand voltage breakdown fault moment as shown by arrows in FIG..
First, analyze the amplitude of ultrasonic signal and can know, the amplitude of ultrasonic sensor 4,5,6 is super maximum range all, and the signal amplitude of other ultrasonic sensors is decayed along with the increase of the signal amplitude of ultrasonic sensor 4,5,6;
In addition, the signal duration of ultrasonic sensor 4, both difference were about 15% compared with 3, be greater than 10%, the signal duration of ultrasonic sensor 6 is compared with 7, both difference are also greater than 10%, and compared with ultrasonic sensor 5 and 4,6, the difference of signal duration is all in 10%.
Therefore the position that, can judge ultrasonic sensor 5 places is doubtful abort situation.
The ultrasonic positioner of the withstand voltage breakdown fault of the disclosed GIS of the present embodiment, gather ultrasonic signals by the multiple ultrasonic sensors that are installed on the shell cavity of GIS interval air chamber, and the filter amplifying processing of process signal processing module, after A/D conversion, export data analysis module to, when signal after treatment meets when pre-conditioned, the position that judges the ultrasonic sensor place that gathers ultrasonic signal is doubtful abort situation, wherein, differed in preset range the signal duration of the check point of the pre-conditioned signal amplitude maximum for ultrasonic signal with the signal duration of contiguous ultrasonic sensor check point.First this programme by judging the position of check point of signal amplitude maximum, and then judge whether the scope that differs the signal duration of this position and the signal duration of proximity detection point judges in preset range whether this point is doubtful abort situation, only can judge doubtful abort situation by obtaining of a ultrasonic signal, avoid adopting the normal GIS position that makes that scheme of the prior art causes to form the problem of insulation harm.
The present embodiment discloses the ultrasonic positioner of the withstand voltage breakdown fault of a kind of GIS, and its structural representation as shown in Figure 3, comprising:
Ultrasonic sensor 31, the signal processing module 32 being connected with ultrasonic sensor 31, the wireless communication module 33 being connected with signal processing module, the data analysis module 34 being connected with wireless communication module 33.
Except the structure identical with a upper embodiment, the present embodiment has also increased wireless communication module 33.
Signal processing module 32 is sent to wireless communication module 33 by radio-frequency radiation antenna by ultrasonic signal after treatment, the ultrasonic signal receiving is sent to data analysis module 34 by wireless communication module 33, by data analysis module 34, signal is carried out to analyzing and processing, to judge the position of doubtful fault gas chamber.
Wherein, wireless communication module 33 comprises: wireless transport module, wireless receiving module.
Wireless transport module is connected by radio-frequency radiation antenna with signal processing module 32, receives the signal that signal processing module 32 sends, and output;
Wireless receiving module is connected by radio-frequency radiation antenna with wireless transport module, receives the signal that wireless transport module sends, and the signal receiving is transferred to data analysis module 34.
Preferably, wireless receiving module is arranged on data analysis module 34, is convenient to the wire transmission of data.
The ultrasonic positioner of the withstand voltage breakdown fault of the disclosed GIS of the present embodiment, realize the transmission of signal by wireless communication module, realized signal fast, accurately transmission, avoided the inconvenience that adopts wire transmission to bring.
Preferably, in the ultrasonic positioner of the withstand voltage breakdown fault of the disclosed GIS of the present embodiment, on ultrasonic sensor 31, smear appropriate couplant, with the air of fixing a breakdown between position and ultrasonic sensor, make ultrasonic wave energy effectively enter into abort situation, reach testing goal.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.For the disclosed device of embodiment, because it corresponds to the method disclosed in Example, so description is fairly simple, relevant part illustrates referring to method part.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a ultrasonic positioner for the withstand voltage breakdown fault of GIS, is characterized in that, comprising:
Be installed on the multiple ultrasonic sensors on the shell cavity of gas insulated combined electric appliance equipment GIS interval air chamber, described ultrasonic sensor gathers ultrasonic signal output;
With the signal processing module that described ultrasonic sensor is connected, described signal processing module carries out filter amplifying processing and A/D conversion to the ultrasonic signal of described ultrasonic sensor transmission, and ultrasonic signal after treatment is exported;
The data analysis module being connected with described signal processing module, described data analysis module judges whether the ultrasonic signal after treatment that described signal processing module sends meets pre-conditioned, if meet, the ultrasonic sensor position of judging the described ultrasonic signal of collection is doubtful abort situation
Wherein, differ in preset range with the signal duration of contiguous ultrasonic sensor check point the signal duration of the check point of the described pre-conditioned signal amplitude maximum for ultrasonic signal.
2. device according to claim 1, is characterized in that, also comprises: the wireless communication module being connected respectively with described signal processing module and data analysis module,
Described signal processing module is sent to wireless communication module by radio-frequency radiation antenna by described ultrasonic signal after treatment, and described ultrasonic signal after treatment is sent to data analysis module by described wireless communication module.
3. device according to claim 1, is characterized in that, daubing coupling agent on described ultrasonic sensor.
4. device according to claim 1, is characterized in that, the position of described multiple ultrasonic sensors arranges according to the air chamber number in GIS withstand voltage test region and the number of ultrasonic sensor and arranges.
5. device according to claim 4, is characterized in that, comprising: each GIS interval air chamber arranges a ultrasonic sensor outward.
6. device according to claim 5, is characterized in that, also comprises: on bus, every 5-7m arranges a ultrasonic sensor.
7. device according to claim 1, is characterized in that, described preset range is in ± 10%.
8. device according to claim 1, is characterized in that, described signal processing module comprises:
Be connected with described ultrasonic sensor, the ultrasonic signal receiving carried out to the filter and amplification unit of filter and amplification;
Be connected respectively with described filter and amplification unit and data analysis module, the A/D converting unit that the ultrasonic signal after described amplification is after filtering carried out to digital-to-analog conversion.
9. device according to claim 2, is characterized in that, described wireless communication module comprises:
Be connected by radio-frequency radiation antenna with described signal processing module, receive the also wireless transport module of output of signal that described signal processing module sends;
Be connected by radio-frequency radiation antenna with described wireless transport module, receive the signal that described wireless transport module sends, and the described signal receiving is transferred to the wireless receiving module of data analysis module.
10. device according to claim 9, is characterized in that, described wireless receiving module is arranged on described data analysis module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420336594.9U CN203929985U (en) | 2014-06-23 | 2014-06-23 | The ultrasonic positioner of the withstand voltage breakdown fault of a kind of GIS |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420336594.9U CN203929985U (en) | 2014-06-23 | 2014-06-23 | The ultrasonic positioner of the withstand voltage breakdown fault of a kind of GIS |
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| CN203929985U true CN203929985U (en) | 2014-11-05 |
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| CN201420336594.9U Expired - Fee Related CN203929985U (en) | 2014-06-23 | 2014-06-23 | The ultrasonic positioner of the withstand voltage breakdown fault of a kind of GIS |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104076256A (en) * | 2014-06-23 | 2014-10-01 | 国家电网公司 | Ultrasonic positioning device and method for GIS withstand voltage breakdown fault |
| CN105974277A (en) * | 2016-04-25 | 2016-09-28 | 西安交通大学 | Method for breakdown point locating in long bus GIS field withstand voltage test |
| CN109085484A (en) * | 2018-10-24 | 2018-12-25 | 广州赛宝计量检测中心服务有限公司 | A kind of measurement method and circuit of the voltage hold-time of proof voltage tester |
-
2014
- 2014-06-23 CN CN201420336594.9U patent/CN203929985U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104076256A (en) * | 2014-06-23 | 2014-10-01 | 国家电网公司 | Ultrasonic positioning device and method for GIS withstand voltage breakdown fault |
| CN105974277A (en) * | 2016-04-25 | 2016-09-28 | 西安交通大学 | Method for breakdown point locating in long bus GIS field withstand voltage test |
| CN105974277B (en) * | 2016-04-25 | 2018-12-04 | 西安交通大学 | A method of for puncturing point location in long bus GIS On-Site Testing |
| CN109085484A (en) * | 2018-10-24 | 2018-12-25 | 广州赛宝计量检测中心服务有限公司 | A kind of measurement method and circuit of the voltage hold-time of proof voltage tester |
| CN109085484B (en) * | 2018-10-24 | 2023-11-10 | 广州赛宝计量检测中心服务有限公司 | Method and circuit for measuring voltage holding time of voltage endurance tester |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 |