CN203455368U - Current-leading structure for leakage current of porcelain insulator in shape of long bar - Google Patents
Current-leading structure for leakage current of porcelain insulator in shape of long bar Download PDFInfo
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- CN203455368U CN203455368U CN201320524975.5U CN201320524975U CN203455368U CN 203455368 U CN203455368 U CN 203455368U CN 201320524975 U CN201320524975 U CN 201320524975U CN 203455368 U CN203455368 U CN 203455368U
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- leakage current
- semi
- ring
- flow guiding
- guiding structure
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- 239000012212 insulator Substances 0.000 title claims abstract description 43
- 229910052573 porcelain Inorganic materials 0.000 title claims abstract description 32
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 5
- 239000010935 stainless steel Substances 0.000 claims abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims abstract description 4
- 238000013461 design Methods 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 abstract description 3
- 230000032683 aging Effects 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model relates to a current-leading structure for a leakage current of a porcelain insulator in the shape of long bar, and the structure comprises a first semi-ring and a second semi-ring, wherein the first and second semi-rings are made of stainless steel materials and can be jointed to form a circular ring which is clamped at the position of a core rod at the top of the porcelain insulator in the shape of the long bar. The inner sides of the first and second semi-rings of the porcelain insulator are respectively provided with a groove which contains a current-leading wire, wherein the current-leading wire is made of a metal annealed copper wire. The leading wire can be pasted on the upper surface of the top of the porcelain insulator in a hooped manner, and is used for collecting the leakage current of a surface fouling layer of the porcelain insulator. The leakage current, which passes through the surface of the porcelain insulator, is led out under a working voltage, and is transmitted to a leakage current sensor through an insulating wire. The structure provided by the utility model can meet the electrical, mechanical and aging requirements of a leakage current online monitoring and measurement system in the condition of long-time running.
Description
Technical field
The utility model relates to a kind of for porcelain insulator On-line Monitoring of Leakage Current system harvester used, particularly relates to a kind of flow guiding structure of porcelain long rod insulator leakage current.
Background technology
State of insulation on-line monitoring is the important content of power transmission state monitoring and maintenance.Research shows, the flow through leakage current feature of insulator surface, as leakage current maximal value, peak value of pulse, pulsed discharge amount and leakage current high fdrequency component etc., the state of insulation that has reflected truly pollution layer, application leakage current measurement technology can realize the object of online evaluation insulator external insulation state.The prerequisite of leakage current on-line measurement system normal operation is can stably the leakage current that flows through insulator surface be drawn by certain structure, reduces as far as possible the impact of this flow guiding structure on original insulator work state simultaneously.
The operation insulator surface leakage current flow guiding structure conventionally end of the insulator chain on the corresponding steel tower of ultra-high-tension power transmission line base station is used, its effect is the faint leakage current that gathers insulator surface, and then feed back to backstage by relevant calculating conversion, thereby the actual filthy degree situation in the scene of judgement ultra-high-tension power transmission line, and then make relevant processing, avoid complicated manual patrol.
Utility model content
For solving problems of the prior art, the utility model provides a kind of flow guiding structure of porcelain long rod insulator leakage current, for the leakage current that flows through insulator surface is drawn.
The utility model adopts following technical scheme:
A kind of flow guiding structure of porcelain long rod insulator leakage current, comprise the first semi-ring and the second semi-ring by stainless steel material, made, described the first semi-ring and the second semi-ring are closed into annulus, be connected to the plug place, top of porcelain long rod insulator, the inner side of described the first semi-ring and the second semi-ring is provided with the groove that holds drainage thread, described drainage thread is made by soft copper conductor, be used for collecting Leakage Current, under working voltage, leakage current sensor is drawn and transferred to the leakage current that flows through long rod insulator surface.
Aforesaid flow guiding structure is non-bolt structure, the internal diameter of its close ring, and external diameter and be highly fixed measure, can fit tightly with the porcelain long rod insulator plug of respective model its drainage thread.
The internal diameter of aforesaid flow guiding structure close ring is 75mm, and external diameter is 95mm, is highly 15mm, and the diameter of the annulus that closed rear drainage thread becomes is 70mm.
Aforesaid flow guiding structure is for there being bolt arrangement, and by bolt, two semi-rings are fixing closed, for various types of porcelain long rod insulators, the external diameter of its flow guiding structure close ring is fixed, and internal diameter size can design as required.
The long excellent type porcelain insulator experimental result of long excellent type porcelain insulator shows that advantage of the present utility model is for can meet electric, mechanical, the aging requirement of On-line Monitoring of Leakage Current measuring system under long-time running condition.
Accompanying drawing explanation
Fig. 1 is the flow guiding structure front elevation of the utility model non-bolt structure;
Fig. 2 is the flow guiding structure front elevation that the utility model has bolt arrangement;
Fig. 3 is the overall schematic that the utility model has the flow guiding structure of bolt arrangement.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As Fig. 1, shown in Fig. 2 and Fig. 3, the flow guiding structure of porcelain long rod insulator leakage current of the present utility model, comprise the drainage thread 3 that first semi-ring 1 that can be spliced into an annulus made by stainless steel material and the second semi-ring 2 and soft copper conductor are made, wherein, drainage thread 3 is placed in the groove of the first semi-ring 1 and the second semi-ring 2 inner sides, and drainage thread is also connected with the drainage wire that leakage current is caused to terminal.During use, flow guiding structure is socketed in the top of porcelain long rod insulator and fixes, make drainage thread anchor ear paste the upper surface at bar-shaped porcelain insulator top, long excellent type porcelain insulator is drawn the leakage current that flows through insulator surface and exports leakage current sensor to via drainage wire by drainage thread.
As shown in Figure 1, flow guiding structure of the present utility model can be non-bolt structure, internal diameter of annulus after it is closed, and external diameter and be highly fixed measure, can fit tightly with the porcelain long rod insulator plug of respective model its drainage thread.This structure is corresponding with the insulator of fixing model, and as the non-bolt flow guiding structure of the utility model design, after it is closed, the internal diameter of annulus is 75mm, and external diameter is 95mm, be highly 15mm, and the diameter of the ring that the rear drainage thread of closure becomes is 70mm.
As shown in Figures 2 and 3, flow guiding structure of the present utility model can be for there being bolt arrangement, by bolt, two stainless steel semi-rings are fixing closed, guarantee itself and porcelain long rod insulator close contact, for various types of porcelain long rod insulators, the external diameter of its flow guiding structure close ring is fixed, and internal diameter size can design as required.
Above-described embodiment is only enumerating of the utility model technical conceive way of realization; protection domain of the present utility model is not limited only to above-described embodiment; protection domain of the present utility model may extend to those skilled in the art according to the thinkable equivalent technologies means of technical conceive of the present utility model, and the utility model is by appended claim and be equal to and limit.
Claims (4)
1. the flow guiding structure of a porcelain long rod insulator leakage current, it is characterized in that: comprise the first semi-ring and the second semi-ring by stainless steel material, made, described the first semi-ring and the second semi-ring are closed into annulus, be connected to the plug place, top of porcelain long rod insulator, the inner side of described the first semi-ring and the second semi-ring is provided with the groove that holds drainage thread, described drainage thread is made by soft copper conductor, be used for collecting leakage current, under working voltage, leakage current sensor is drawn and transferred to the leakage current that flows through porcelain long rod insulator surface.
2. the flow guiding structure of a kind of porcelain long rod insulator leakage current according to claim 1, it is characterized in that: described flow guiding structure is non-bolt structure, the internal diameter of its close ring, external diameter and be highly fixed measure, can fit tightly with the porcelain long rod insulator plug of respective model its drainage thread.
3. the flow guiding structure of a kind of porcelain long rod insulator leakage current according to claim 2, it is characterized in that: the internal diameter of described flow guiding structure close ring is 75mm, external diameter is 95mm, is highly 15mm, and the diameter of the annulus that closed rear drainage thread becomes is 70mm.
4. the flow guiding structure of a kind of porcelain long rod insulator leakage current according to claim 1, it is characterized in that: described flow guiding structure is for there being bolt arrangement, by bolt, two semi-rings are fixing closed, for various types of porcelain long rod insulators, the external diameter of its flow guiding structure close ring is fixed, and internal diameter size can design as required.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320524975.5U CN203455368U (en) | 2013-08-27 | 2013-08-27 | Current-leading structure for leakage current of porcelain insulator in shape of long bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320524975.5U CN203455368U (en) | 2013-08-27 | 2013-08-27 | Current-leading structure for leakage current of porcelain insulator in shape of long bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203455368U true CN203455368U (en) | 2014-02-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320524975.5U Expired - Fee Related CN203455368U (en) | 2013-08-27 | 2013-08-27 | Current-leading structure for leakage current of porcelain insulator in shape of long bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203455368U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105467190A (en) * | 2015-11-13 | 2016-04-06 | 华中科技大学 | Measuring method of XLPE cable polarized-depolarized currents |
| CN106324454A (en) * | 2016-08-17 | 2017-01-11 | 华中科技大学 | XLPE cable insulation detection device and anti-electromagnetic interference method thereof |
| CN106646001A (en) * | 2017-03-06 | 2017-05-10 | 云南电网有限责任公司电力科学研究院 | Corrosion charge quantity detecting device for DC insulator metal accessory |
| CN109909974A (en) * | 2019-04-28 | 2019-06-21 | 盐城工学院 | A kind of dedicated detection of electrical leakage robot of aerial cables |
-
2013
- 2013-08-27 CN CN201320524975.5U patent/CN203455368U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105467190A (en) * | 2015-11-13 | 2016-04-06 | 华中科技大学 | Measuring method of XLPE cable polarized-depolarized currents |
| CN106324454A (en) * | 2016-08-17 | 2017-01-11 | 华中科技大学 | XLPE cable insulation detection device and anti-electromagnetic interference method thereof |
| CN106324454B (en) * | 2016-08-17 | 2019-05-03 | 华中科技大学 | A kind of XLPE cable insulation detection device and its electromagnetism interference method |
| CN106646001A (en) * | 2017-03-06 | 2017-05-10 | 云南电网有限责任公司电力科学研究院 | Corrosion charge quantity detecting device for DC insulator metal accessory |
| CN106646001B (en) * | 2017-03-06 | 2023-09-08 | 云南电网有限责任公司电力科学研究院 | Corrosion charge amount detection device for direct-current insulator metal accessory |
| CN109909974A (en) * | 2019-04-28 | 2019-06-21 | 盐城工学院 | A kind of dedicated detection of electrical leakage robot of aerial cables |
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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: 20140226 Termination date: 20200827 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |