CN203536135U - Anti-thunder high-voltage post insulator - Google Patents
Anti-thunder high-voltage post insulator Download PDFInfo
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- CN203536135U CN203536135U CN201320715915.1U CN201320715915U CN203536135U CN 203536135 U CN203536135 U CN 203536135U CN 201320715915 U CN201320715915 U CN 201320715915U CN 203536135 U CN203536135 U CN 203536135U
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- insulator
- strength insulating
- insulating
- zinc oxide
- strength
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Abstract
The utility model discloses an anti-thunder high-voltage post insulator. The anti-thunder high-voltage post insulator comprises a high-strength insulating porcelain bushing. The high-strength insulating porcelain bushing is a hollow cylindrical structure. An insulating cylinder is arranged inside the high-strength insulating porcelain bushing. Zinc oxide valve blocks are arranged in the insulating cylinder. An inner insulating rod penetrates through the middle parts of the zinc oxide valve blocks. Pressure springs are arranged at two ends of the zinc oxide valve blocks. Conductive sealing covers are arranged on the outer ends of the pressure springs. A connecting flange on the top part of the high-strength insulating porcelain bushing is connected with a wiring board. The wiring board is communicated with the conductive sealing cover on the top part. According to the utility model, a high-voltage rod-shaped post insulator are integrated with an arrester to obtain the new product provided with the functions of the arrester and the insulator, so that the same functions of the arrester and the insulator are realized, the resource consumption is reduced, the occupied area in the equipment installation process is reduced, the land is saved, the cost is lowered, and the arrangement of the equipment is more compact.
Description
Technical field
The utility model relates to power technology field, especially a kind of lighning proof type high-voltage strut insulator.
Background technology
In the modular design of China electric power system alternating current AIS equipment, lightning arrester and insulator are installed separately, and while so just having caused equipment to be installed, floor space is larger, and economy is poor.Along with socioeconomic development, land used day is becoming tight, and how saving the area to reduce costs just becomes a problem of being badly in need of solution.
Summary of the invention
The purpose of this utility model is: a kind of lighning proof type high-voltage strut insulator is provided, and it has both the function of lightning arrester and insulator simultaneously, and the floor space while can minimizing equipment installing, saves the area and reduce costs, to overcome the deficiencies in the prior art.
The utility model is achieved in that lighning proof type high-voltage strut insulator, comprise high-strength insulating insulator, high-strength insulating insulator is the column construction of hollow, in high-strength insulating insulator, be provided with insulating cylinder, in insulating cylinder, be provided with zinc oxide valve plate, interior insulating bar is passed at middle part at zinc oxide valve plate, two ends at zinc oxide valve plate are equipped with compression spring, in the outer end of compression spring, be provided with conductive seal lid, insulating cylinder, zinc oxide valve plate, interior insulating bar and compression spring are covered and are enclosed in the high-strength insulating insulator that is full of nitrogen by conductive seal; Two ends at insulated porcelain sleeve are equipped with adpting flange, and the adpting flange of high-strength insulating insulator bottom is connected on insulator foot, on the adpting flange at high-strength insulating insulator top, is connected with terminal block, the conductive seal lid conducting at terminal block and top.
In high-strength insulating insulator bottom, be provided with monitoring device binding post, the conductive seal lid conducting of monitoring device binding post and bottom.
Between conductive seal lid and high-strength insulating insulator, be provided with seal.Improve sealing effectiveness.
High-strength insulating insulator adopts the manufacture of isometrical pressure dry process for forming, material is porcelain, and its mechanical strength meets the requirement of the < < anti-pollution type outdoor solid core post insulator > > of GB 12744-1991 regulation.
Insulator foot is solid porcelain insulator, its mechanical strength meets the requirement of the < < anti-pollution type outdoor solid core post insulator > > of GB 12744-1991 regulation, and can adjust as required its axial height.The insulation resistance of insulator foot is not less than 5M Ω.
Top at high-strength insulating insulator is provided with explosion-protection equipment.To guarantee that porcelain overcoat can not explode when nitrogen expansion is broken down in porcelain overcoat inside.
Owing to having adopted technique scheme, compared with prior art, the utility model integrates high pressure bar t shore insulator and two kinds of products of lightning arrester, obtain a kind of new product that simultaneously has both lightning arrester and insulator function, when realizing the two identical function of lightning protection and insulator, reduced the consumption of resource, floor space while can minimizing equipment installing, saves the area and reduces costs, and makes apparatus arrangement compacter.The utility model is simple, the apparatus structure adopting is simple, with low cost, stable performance, after moving, without power frequency continued flow under lightning overvoltage, make greatly to reduce by the energy of lightning arrester, thereby extended the useful life of product, the through-current capability of zinc oxide valve plate is large, improved operating duty ability and the electric current tolerance of lightning arrester; And due to without series gap, therefore, can directly valve block be placed in to sulfur hexafluoride combined electric appliance or oil-filled equipment, result of use is good.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model;
Accompanying drawing 2 is the internal structure schematic diagram of high-strength insulating insulator of the present utility model.
Embodiment
Embodiment 1 of the present utility model: the structure of lighning proof type high-voltage strut insulator as shown in Figure 1, comprise high-strength insulating insulator 1, the column construction that high-strength insulating insulator 1 is hollow, in high-strength insulating insulator 1, be provided with insulating cylinder 5, in insulating cylinder 5, be provided with zinc oxide valve plate 6, interior insulating bar 7 is passed at middle part at zinc oxide valve plate 6, at the two ends of zinc oxide valve plate 6, be equipped with compression spring 9, in the outer end of compression spring 9, be provided with conductive seal lid 13, insulating cylinder 5, zinc oxide valve plate 6, interior insulating bar 7 and compression spring 9 cover 13 by conductive seal and are enclosed in the high-strength insulating insulator 1 that is full of nitrogen, and be provided with seal 8 between conductive seal lid 13 and high-strength insulating insulator 1, at the two ends of insulated porcelain sleeve 1, be equipped with adpting flange 4, the adpting flange 4 of high-strength insulating insulator 1 bottom is connected on insulator foot 2, on the adpting flange 4 at high-strength insulating insulator 1 top, be connected with terminal block 10, terminal block 10 covers 13 conductings with the conductive seal at top, in high-strength insulating insulator 1 bottom, be provided with monitoring device binding post 12, monitoring device binding post 12 covers 13 conductings with the conductive seal of bottom, at the top of high-strength insulating insulator 1, be provided with explosion-protection equipment 3.High-strength insulating insulator 1 adopts the manufacture of isometrical pressure dry process for forming, material is porcelain, and its mechanical strength meets the requirement of the < < anti-pollution type outdoor solid core post insulator > > of GB 12744-1991 regulation; Insulator foot 2 is solid porcelain insulator, its mechanical strength meets the requirement of the < < anti-pollution type outdoor solid core post insulator > > of GB 12744-1991 regulation, and the insulation resistance of insulator foot 2 is not less than 5M Ω.
While using as lightning arrester, terminal block 10 is fixed on the adpting flange 4 at top by set bolt 11; While using as post insulator, terminal block 10 takes off.
Monitoring device binding post 12 is connected with discharge counter or the on-Line Monitor Device of lightning arrester special use by fexible conductor.Why need to connect with fexible conductor, because equipment may have be no more than 90 ° horizontally rotate centered by vertical axis while using as isolating switch, monitoring device binding post 12 can be along with equipment together rotates, discharge counter or on-Line Monitor Device are fixed in earthy fixture (as channel-section steel), have so just guaranteed that connecting line can not damage when normal running.
The adpting flange 4 of top and bottom has identical mounting interface with the post insulator of identical electric pressure.
For guaranteeing that equipment has enough mechanical strengths while using as isolating switch post insulator, its whole mechanical failure load should be not less than the mechanical strength of conventional post insulator under the relevant voltage grade of place to use.For example, while using as 110kV electric pressure GW4 isolation of system switch post insulator, its bend loading is not less than 4kN, and it is national standard that torque load is not less than this sample data of 3kNm(, when having specific (special) requirements in technical specifications, must meet the requirement of technical specifications).
Its external insulation designs according to the overvoltage level of relevant voltage grade in the system of place to use and installation environment gradation for surface pollution.For example, while using as 110kV electric pressure isolating switch post insulator, suppose that its environment gradation for surface pollution is III level through actual measurement, its creepage ratio is apart from being not less than 25mm/kV, and creepage distance should be not less than 3150mm, and its whole height should be not less than 1200mm.
Claims (7)
1. a lighning proof type high-voltage strut insulator, comprise high-strength insulating insulator (1), it is characterized in that: high-strength insulating insulator (1) is the column construction of hollow, in high-strength insulating insulator (1), be provided with insulating cylinder (5), in insulating cylinder (5), be provided with zinc oxide valve plate (6), interior insulating bar (7) is passed at middle part at zinc oxide valve plate (6), at the two ends of zinc oxide valve plate (6), be equipped with compression spring (9), in the outer end of compression spring (9), be provided with conductive seal lid (13), insulating cylinder (5), zinc oxide valve plate (6), interior insulating bar (7) and compression spring (9) cover (13) by conductive seal and are enclosed in the high-strength insulating insulator (1) that is full of nitrogen, at the two ends of insulated porcelain sleeve (1), be equipped with adpting flange (4), the adpting flange (4) of high-strength insulating insulator (1) bottom is connected on insulator foot (2), on the adpting flange (4) at high-strength insulating insulator (1) top, be connected with terminal block (10), terminal block (10) covers (13) conducting with the conductive seal at top.
2. lighning proof type high-voltage strut insulator according to claim 1, is characterized in that: in high-strength insulating insulator (1) bottom, be provided with monitoring device binding post (12), monitoring device binding post (12) covers (13) conducting with the conductive seal of bottom.
3. lighning proof type high-voltage strut insulator according to claim 1, is characterized in that: between conductive seal lid (13) and high-strength insulating insulator (1), be provided with seal (8).
4. lighning proof type high-voltage strut insulator according to claim 1, is characterized in that: the insulation resistance of insulator foot (2) is not less than 5M Ω.
5. lighning proof type high-voltage strut insulator according to claim 1, is characterized in that: high-strength insulating insulator (1) is porcelain overcoat.
6. lighning proof type high-voltage strut insulator according to claim 1, is characterized in that: insulator foot (2) is solid porcelain insulator.
7. lighning proof type high-voltage strut insulator according to claim 1, is characterized in that: at the top of high-strength insulating insulator (1), be provided with explosion-protection equipment (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320715915.1U CN203536135U (en) | 2013-11-14 | 2013-11-14 | Anti-thunder high-voltage post insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320715915.1U CN203536135U (en) | 2013-11-14 | 2013-11-14 | Anti-thunder high-voltage post insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203536135U true CN203536135U (en) | 2014-04-09 |
Family
ID=50422316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320715915.1U Expired - Fee Related CN203536135U (en) | 2013-11-14 | 2013-11-14 | Anti-thunder high-voltage post insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203536135U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103559962A (en) * | 2013-11-14 | 2014-02-05 | 都匀供电局 | Method and device for using arrester as supporting insulator |
| CN105427978A (en) * | 2015-12-31 | 2016-03-23 | 中国西电电气股份有限公司 | Compound polymeric housed metal oxide arrester |
| CN106409443A (en) * | 2016-12-14 | 2017-02-15 | 国网上海市电力公司 | Insulator with lightning arrester and fault indicator |
| CN106601397A (en) * | 2016-12-29 | 2017-04-26 | 中国南方电网有限责任公司超高压输电公司百色局 | High-voltage direct current line arrester |
-
2013
- 2013-11-14 CN CN201320715915.1U patent/CN203536135U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103559962A (en) * | 2013-11-14 | 2014-02-05 | 都匀供电局 | Method and device for using arrester as supporting insulator |
| CN105427978A (en) * | 2015-12-31 | 2016-03-23 | 中国西电电气股份有限公司 | Compound polymeric housed metal oxide arrester |
| CN106409443A (en) * | 2016-12-14 | 2017-02-15 | 国网上海市电力公司 | Insulator with lightning arrester and fault indicator |
| CN106601397A (en) * | 2016-12-29 | 2017-04-26 | 中国南方电网有限责任公司超高压输电公司百色局 | High-voltage direct current line arrester |
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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: 20140409 Termination date: 20141114 |
|
| EXPY | Termination of patent right or utility model |