CN205427126U - GIS partial discharge high altitude sampling device - Google Patents
GIS partial discharge high altitude sampling device Download PDFInfo
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- CN205427126U CN205427126U CN201620274013.2U CN201620274013U CN205427126U CN 205427126 U CN205427126 U CN 205427126U CN 201620274013 U CN201620274013 U CN 201620274013U CN 205427126 U CN205427126 U CN 205427126U
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Abstract
The utility model discloses a GIS partial discharge high altitude sampling device, include: a sensing unit, it includes a casing for the sample to and set up in the inside sensing mechanism in order to receive special high -frequency pulse signal and/or ultrasonic signal of casing, the casing on the position with the face contact of awaiting measuring, be provided with an indent with a matched with arc portion of awaiting measuring, the edge of arc portion opposite side is provided with at least a set of flexible sand grip, be used for with the mechanical connection of sensing mechanism, but extending structure's insulator spindle just has, the tester, wherein, the tester through the wireless communication module that mutually supports so that with sensing unit communication connection. The utility model provides a GIS partial discharge high altitude sampling device, it can be through the sensing unit design of integration for its and insulator spindle perfect adaptation, and then make it can adapt to different operational environment, reach better detection effect.
Description
Technical field
This utility model relates to a kind of sampler used in the case of GIS partial discharge.More specifically, this utility model relates to a kind of HAS device being used in the case of GIS partial discharge.
Background technology
GIS partial discharge live detection is carried out in Guo Wang company comprehensively at present, all GIS station equipments are carried out general survey, have found many incipient fault points, safe operation for power equipment escorts, the shelf depreciation live detection carried out based on ultrasound wave and superfrequency method is simple and efficient to handle, on-the-spot test is without building the test platform of complexity, and detection sensitivity is high simultaneously, significant for carrying out GIS device live detection.Especially to supertension and ultra-high voltage transformer station and current conversion station, owing to working voltage grade is high, GIS structural manufacturing process is complicated, and equipment packages is compact, and accident involves a wide range of knowledge, and strengthens particularly important and urgent to its GIS device live detection, it is ensured that its safe operation, means a great.
During ultrasonic and UHF band electro-detection in traditional method, main frame is connected with sensor by the way of wired, then clings to by the way of hand-held on GIS pipeline.Scene is many due to pipeline, and equipment and equipment room are away from nearer.In test process, p-wire is easily wound on pipeline or is hooked into flange plate screw, causes and gets injured by a fall or damage measure equipment.Simultaneously during carrying out ultrasonic partial discharge detection, if during GIS duct frame sky excessive height, long signal testing line must be changed, now must increase active preamplifier in sensor front end, as patrolling and examining general survey, now need many people to coordinate can carry out, it is impossible to adapt to the detection environment of more complexity.The most under test, although ultrahigh-frequency signal is less by long holding wire decay, but wired mode is not easy to on-the-spot test, and lot of experiments proves, long test holding wire is usually wound around on pipeline, and the situation that loose contact is even broken the most usually occurs in connector.And during the most much GIS stands, 220kVGIS pipeline location not very height, generally, human body is stood and can be placed sensor unit to test point, but the GIS of more than 220kV stands, more or less there is the built on stilts GIS pipeline of part to stand at human body and also cannot directly lay sensor unit to test point.
Under traditional wired connection test mode, it is necessary to having people's cat ladder to lay sensor and arrange to test point people's palm to hold up insulating ladder simultaneously, the 3rd people operates main frame and tests.Just must can complete by multiple person cooperational for completing high hollow testing, also undesirably increase the security risk of operator.
Utility model content
A purpose of the present utility model is to solve at least the above and/or defect, and provides the advantage that at least will be described later.
This utility model is it is also an object that provide a kind of GIS partial discharge HAS device, it can be designed by the sensing unit of integration, make itself and insulating bar perfect adaptation, and then enable it to adapt to different working environments, reach more preferable Detection results, save manpower and cost simultaneously, there is more preferable operability.
In order to realize according to these purposes of the present utility model and further advantage, it is provided that a kind of GIS partial discharge HAS device, including:
Sensing unit for sampling, it includes a housing, and it is arranged on enclosure interior to receive superfrequency pulse signal and/or the sensing mechanism of ultrasonic signal, described housing is on the position contacted with tested surface, it is provided with an indent and the curved portions matched with tested surface, the edge of described curved portions opposite side are provided with least one set flexibility raised line；
For being mechanically connected with described sensing mechanism, and there is the insulating bar of Collapsible structure；
Tester；
Wherein, described tester communicates to connect by the wireless communication module that cooperates and then with sensing unit.
Preferably, wherein, described insulating bar includes the first support bar in scalable setting, the second support bar, and the two is by being arranged on locking rotating handle and then the rotational lock in the middle part of insulating bar.
Preferably, wherein, the free end of described second support bar is connected with housing by a connector with universal ball end, and sensing unit by a mill headed screw and then is locked on insulating bar by described universal ball end.
Preferably, wherein, described sensing mechanism includes ultrahigh-frequency signal sensing module and/or ultrasonic signal sensing module.
Preferably, wherein, described wireless communication module includes the ZigBee communication module arranged that cooperates, WIFI communication module, any one or a few the combination in 3G communication module.
Preferably, wherein, described sensing unit also includes antenna and is arranged on the processing mechanism of enclosure interior, accumulator, and described antennal interface surrounding is provided with metallic shield elastic foam.
Preferably, wherein, described sensing mechanism is arranged to protrude from curved portions, and described flexible raised line is arranged to two groups be oppositely arranged.
Preferably, wherein, the opposite side of described curved portions is provided with T word structure to accommodate the groove of flexible raised line.
This utility model at least includes following beneficial effect: one, after sensor unit is fitted on GIS pipeline by this utility model by hand-held insulating bar, the function being automatically directed at GIS conduit axis can be played by sensor unit both sides adhesive tape or semicircle cambered surface, make laminating tightr, reduce and even eliminate external interference signals.Now the functionality advantage of wireless transmission data becomes apparent from, and the problem that test cable is wound around no longer exists, and significantly reduces and patrols and examines labor intensity.
They are two years old, cover plate face is designed as installing the structure of telescopic insulating bar by the ultrasonic superfrequency test cell housing that involves when design, use the mode of universal ball end on insulating bar top simultaneously, after regulating and laying angle, can lock, and then make HAS device discard traditional unfavorable factor completely, be saved greatly human cost, reduce operator safety risk simultaneously, add exploitativeness and the operability of product.
Part is embodied by further advantage of the present utility model, target and feature by description below, and part also will be by being understood by the person skilled in the art research of the present utility model and practice.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of sensing unit in GIS partial discharge HAS device in an embodiment of the present utility model；
Fig. 2 is the main TV structure schematic diagram of sensing unit in GIS partial discharge HAS device in another embodiment of the present utility model；
Fig. 3 is the side-looking structural representation of sensing unit in GIS partial discharge HAS device in another embodiment of the present utility model；
Fig. 4 is the structural representation of insulating bar in GIS partial discharge HAS device in another embodiment of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in further detail, to make those skilled in the art can implement according to this with reference to description word.
Should be appreciated that used herein such as " have ", other element one or more or the existence of a combination thereof or interpolation do not allotted in " comprising " and " including " term.
Fig. 1 shows according to a kind of GIS partial discharge HAS device way of realization of the present utility model, including:
Sensing unit 1 for sampling, it includes a housing 10, and it is arranged on enclosure interior to receive superfrequency pulse signal and/or the sensing mechanism 11 of ultrasonic signal, it is used for receiving and detects signal accordingly, described housing is on the position contacted with tested surface, it is provided with an indent with the curved portions 12 matched with tested surface, its role is to the cooperation by curved portions, it is made to cooperate more preferably with tested surface, and then make sensing mechanism tightr with contacting of tested surface, it is beneficial to its measurement effect more preferable, the edge of described curved portions opposite side is provided with least one set flexibility raised line 13, its role is to so that the joint between curved portions and tested surface is tightr, coefficient of friction strengthens, can disturb by blocking signal simultaneously, the aerial signal that can make its sensing unit is interference-free；
For being mechanically connected with described sensing mechanism, and there is the insulating bar 2 of Collapsible structure, it is designed by the sensing unit of integration, so that it can cooperate with insulating bar, to adapt to the needs of different detection environment, as higher for GIS aerial pipeline, human body is stood and cannot directly be fitted in test point a lot of GIS stations now, and it just can play good dynamic role；
Tester (not shown)；
Wherein, described tester communicates to connect by the wireless communication module 14 that cooperates and then with sensing unit.After using this scheme to use integrated design by ultrasonic and superfrequency sensing unit, it is not only simple on-the-spot test, cut simultaneously and the test cable that easily cause damage has been used for multiple times, considerably increase the service life of test equipment, decrease the economic expenditure of consumable accessory simultaneously, there is simple in construction, convenient test, can good, the workable benefit of implementation result.Further, this mode is the explanation of a kind of preferred embodiments, but is not limited thereto.
In another kind of example, described insulating bar includes first support bar the 20, second support bar 21 in scalable setting, and the two is by being arranged on a locking rotating in the middle part of insulating bar 22 and then rotational lock.Using the insulating bar in this scheme to use 2 sections of extension type designs so that it is after front end insulating bar pulls out, stage casing locking rotating is rotatable locking, so that there is stability while its length is fixing, and the benefit that exploitativeness is strong.Further, this mode is the explanation of a kind of preferred embodiments, but is not limited thereto.
In another kind of example, the free end of described second support bar is connected with housing by a connector 24 with universal ball end 23, 4 M4 bolts are carried on the rotary flange of the second support bar front end universal ball end, ultrasonic and superfrequency sampling unit can be fixed to insulating bar front end, and sensing unit by a mill headed screw 25 and then is locked on insulating bar by described universal ball end, its role is to after angular adjustment is suitable, can be locked by mill headed screw, overhead insulation bar is made to become hand-held sub-sampling instrument, when GIS pipeline is higher, tester can be tested by hand-held insulating bar band sampling unit, mode not in use by staircase climbing samples, after being completed, unclamp screw again take off test device.Use this scheme have can implementation result good, the benefit of strong operability.Further, this mode is the explanation of a kind of preferred embodiments, but is not limited thereto.
In another kind of example, described sensing mechanism includes ultrahigh-frequency signal sensing module and/or ultrasonic signal sensing module.This scheme device under test is used to carry out Partial Discharge Detection, to make it have more preferable accuracy of detection, the benefit of more preferable Detection results.Further, this mode is the explanation of a kind of preferred embodiments, but is not limited thereto.
In another kind of example, described wireless communication module includes the ZigBee communication module arranged that cooperates, WIFI communication module, any one or a few the combination in 3G communication module.Use this scheme to adapt to different need for environments, there is strong adaptability, can the good benefit of implementation result.Further, this mode is the explanation of a kind of preferred embodiments, but is not limited thereto.
nullIn another kind of example，Described sensing unit also includes antenna 15 and is arranged on the processing mechanism 16 of enclosure interior、Accumulator 17，This scheme is used by superfrequency sensor and to be used for the processing mechanism of signal condition and carry out integrated design，Superfrequency sensor unit can be changed through A/D by noise signal being filtered in advance again，Processed being delivered to the main computer unit of tester by the way of the most lossless for test signal by the 2.4G antenna of this unit，And built-in high-performance lithium battery is after the most fully charged，Can work continuously more than 8 hours，Demand is patrolled and examined at the scene of fully meeting，Described antennal interface surrounding is provided with metallic shield elastic foam，It uses orthodrome mode to design due to the front end of housing，Antenna surrounding closes metallic shield elastic foam when pouring，And then make the design of antenna opening orthodrome preferably fit at the insulation nonmetal shielding of basin of GIS flange or pour on mouth，Metallic shield elastic foam is compressible, and the space after basin that closely fits to this unit to insulate is filled，External interference signal is no longer transferred in antenna，Antenna gathers signal and is entirely GIS internal signal，Have workable，Can implementation result good，Adaptable benefit.Further, this mode is the explanation of a kind of preferred embodiments, but is not limited thereto.
In another kind of example, described sensing mechanism is arranged to protrude from curved portions, and described flexible raised line is arranged to two groups be oppositely arranged.This scheme is used to use ultrasonic sensor to leak outside 3mm in curved portions, the internal mode using high resiliency packing ring, elastic adhesive tape is pasted bottom Tong Shi, make it when patrolling and examining, hand-held mode also can preferably fit tightly with pipeline, especially when test point is many, simple hand-held sensor after long-time laminating GIS pipeline, the severity that hands can be shaken；And after integrated design, block size and shape are more suitable for hand-held, and after laminating for a long time, do not result in hand-held vibration interference signal yet, have workable, can the good benefit of implementation result.Further, this mode is the explanation of a kind of preferred embodiments, but is not limited thereto.
In another kind of example, the opposite side of described curved portions is provided with T word structure to accommodate the groove 18 of flexible raised line.Use this scheme that it can also be regulated according to the difference of pipe diameter, adhesive tape position.Making this unit be close to GIS pipeline under hand-held effect, ensure that sensing unit fits tightly with GIS pipeline, it is ensured that test result is more efficient simultaneously, elimination hands vibration interference, having can good, the workable benefit of implementation result.Further, this mode is the explanation of a kind of preferred embodiments, but is not limited thereto.
Number of devices described herein and treatment scale are used to simplify explanation of the present utility model.Application, the modifications and variations of GIS partial discharge HAS device of the present utility model be will be readily apparent to persons skilled in the art.
Although embodiment of the present utility model is disclosed as above, but it is not restricted in description and embodiment listed utilization.It can be applied to various applicable field of the present utility model completely.For those skilled in the art, it is easily achieved other amendment.Therefore, under the general concept limited without departing substantially from claim and equivalency range, this utility model is not limited to specific details and shown here as the legend with description.
Claims (8)
1. a GIS partial discharge HAS device, it is characterised in that including:
Sensing unit for sampling, it includes a housing, and it is arranged on enclosure interior to receive superfrequency pulse signal and/or the sensing mechanism of ultrasonic signal, described housing is on the position contacted with tested surface, it is provided with an indent and the curved portions matched with tested surface, the edge of described curved portions opposite side are provided with least one set flexibility raised line；
For being mechanically connected with described sensing mechanism, and there is the insulating bar of Collapsible structure；
Tester；
Wherein, described tester communicates to connect by the wireless communication module that cooperates and then with sensing unit.
2. GIS partial discharge HAS device as claimed in claim 1, it is characterised in that described insulating bar includes the first support bar in scalable setting, the second support bar, and the two is by being arranged on locking rotating handle and then the rotational lock in the middle part of insulating bar.
3. GIS partial discharge HAS device as claimed in claim 2, it is characterized in that, the free end of described second support bar is connected with housing by a connector with universal ball end, and sensing unit by a mill headed screw and then is locked on insulating bar by described universal ball end.
4. GIS partial discharge HAS device as claimed in claim 1, it is characterised in that described sensing mechanism includes ultrahigh-frequency signal sensing module and/or ultrasonic signal sensing module.
5. GIS partial discharge HAS device as claimed in claim 1, it is characterised in that described wireless communication module includes the ZigBee communication module arranged that cooperates, WIFI communication module, any one or a few the combination in 3G communication module.
6. GIS partial discharge HAS device as claimed in claim 1, it is characterised in that described sensing unit also includes antenna and is arranged on the processing mechanism of enclosure interior, accumulator, and described antennal interface surrounding is provided with metallic shield elastic foam.
7. GIS partial discharge HAS device as claimed in claim 1, it is characterised in that described sensing mechanism is arranged to protrude from curved portions, described flexible raised line is arranged to two groups be oppositely arranged.
8. GIS partial discharge HAS device as claimed in claim 1, it is characterised in that be provided with T word structure on the opposite side of described curved portions to accommodate the groove of flexible raised line.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620274013.2U CN205427126U (en) | 2016-04-05 | 2016-04-05 | GIS partial discharge high altitude sampling device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620274013.2U CN205427126U (en) | 2016-04-05 | 2016-04-05 | GIS partial discharge high altitude sampling device |
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| CN205427126U true CN205427126U (en) | 2016-08-03 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370987A (en) * | 2016-11-03 | 2017-02-01 | 云南电网有限责任公司普洱供电局 | Live detection support rod applied to external ultrahigh frequency sensor |
| CN106500917A (en) * | 2016-12-02 | 2017-03-15 | 广州供电局有限公司 | SF6Powered leak detector |
| CN106841959A (en) * | 2017-04-06 | 2017-06-13 | 上海交通大学 | For the intelligent high frequency local discharge sensor of power cable Partial Discharge Detection |
| CN107807312A (en) * | 2017-09-26 | 2018-03-16 | 杭州西湖电子研究所 | A kind of superfrequency detection method for local discharge |
| CN110412429A (en) * | 2019-06-03 | 2019-11-05 | 国网宁夏电力有限公司银川供电公司 | A kind of ultrasonic local discharge detection device of GIS device electrification |
| CN113945812A (en) * | 2021-09-28 | 2022-01-18 | 海南电网有限责任公司电力科学研究院 | Near-field space pulse radiation positioning sensor |
-
2016
- 2016-04-05 CN CN201620274013.2U patent/CN205427126U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370987A (en) * | 2016-11-03 | 2017-02-01 | 云南电网有限责任公司普洱供电局 | Live detection support rod applied to external ultrahigh frequency sensor |
| CN106500917A (en) * | 2016-12-02 | 2017-03-15 | 广州供电局有限公司 | SF6Powered leak detector |
| CN106841959A (en) * | 2017-04-06 | 2017-06-13 | 上海交通大学 | For the intelligent high frequency local discharge sensor of power cable Partial Discharge Detection |
| CN107807312A (en) * | 2017-09-26 | 2018-03-16 | 杭州西湖电子研究所 | A kind of superfrequency detection method for local discharge |
| CN107807312B (en) * | 2017-09-26 | 2020-01-14 | 杭州西湖电子研究所 | Ultrahigh frequency partial discharge detection method |
| CN110412429A (en) * | 2019-06-03 | 2019-11-05 | 国网宁夏电力有限公司银川供电公司 | A kind of ultrasonic local discharge detection device of GIS device electrification |
| CN113945812A (en) * | 2021-09-28 | 2022-01-18 | 海南电网有限责任公司电力科学研究院 | Near-field space pulse radiation positioning sensor |
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