CN103559962A - Method and device for using arrester as supporting insulator - Google Patents
Method and device for using arrester as supporting insulator Download PDFInfo
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- CN103559962A CN103559962A CN201310564877.9A CN201310564877A CN103559962A CN 103559962 A CN103559962 A CN 103559962A CN 201310564877 A CN201310564877 A CN 201310564877A CN 103559962 A CN103559962 A CN 103559962A
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Abstract
The invention discloses a method and device for using an arrester as a supporting insulator. A zinc oxide valve plate is used as the arrester and sealed in a high-strength insulated porcelain bushing, then, the bottom of the high-strength insulated porcelain bushing is fixed to an insulated base through a flange, the top of the high-strength insulated porcelain bushing is connected with a wiring board, and therefore the arrester can serve as the supporting insulator. According to the method and device for using the arrester as the supporting insulator, a high voltage stick-shaped supporting insulator and the arrester are integrated to obtain a novel product with both the function of the arrester and the function of the insulator, as a result, the anti-thunder function and the function of the insulator are achieved, consumption of resources is reduced at the same time, the occupied area of equipment at the time of installation can be reduced, land for use is saved, cost is lowered, and the equipment is arranged more compactly.
Description
Technical field
The present invention relates to power technology field, especially a kind of lightning arrester that utilizes is as method and the device of post 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 object of the invention is: provide a kind of lightning arrester that utilizes as method and the device of post insulator, it has both the function of lightning arrester and insulator simultaneously, floor space while can minimizing equipment installing, saves the area and reduces costs, to overcome the deficiencies in the prior art.
The present invention is achieved in that and utilizes lightning arrester as the method for post insulator, adopt zinc oxide valve plate as lightning arrester, zinc oxide valve plate is enclosed in a high-strength insulating insulator, and by flange, the bottom of high-strength insulating insulator is fixed on insulator foot, top connects terminal block, thereby makes lightning arrester have the effect of post insulator.
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 present invention 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 present invention 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 invention;
Accompanying drawing 2 is the internal structure schematic diagram of high-strength insulating insulator of the present invention.
Embodiment
Embodiments of the invention 1: utilize lightning arrester as the method for post insulator, adopt zinc oxide valve plate as lightning arrester, zinc oxide valve plate is enclosed in a high-strength insulating insulator, and by flange, the bottom of high-strength insulating insulator is fixed on insulator foot, top connects terminal block, thereby makes lightning arrester have the effect of post insulator.
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 (8)
1. one kind is utilized lightning arrester as the method for post insulator, it is characterized in that: adopt zinc oxide valve plate as lightning arrester, zinc oxide valve plate is enclosed in a high-strength insulating insulator, and by flange, the bottom of high-strength insulating insulator is fixed on insulator foot, top connects terminal block, thereby makes lightning arrester have the effect of post insulator.
2. 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.
3. lighning proof type high-voltage strut insulator according to claim 2, 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.
4. lighning proof type high-voltage strut insulator according to claim 2, is characterized in that: between conductive seal lid (13) and high-strength insulating insulator (1), be provided with seal (8).
5. 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.
6. lighning proof type high-voltage strut insulator according to claim 2, it is characterized in that: 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.
7. lighning proof type high-voltage strut insulator according to claim 2, it is characterized in that: 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.
8. lighning proof type high-voltage strut insulator according to claim 2, 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 |
|---|---|---|---|
| CN201310564877.9A CN103559962A (en) | 2013-11-14 | 2013-11-14 | Method and device for using arrester as supporting insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310564877.9A CN103559962A (en) | 2013-11-14 | 2013-11-14 | Method and device for using arrester as supporting insulator |
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| Publication Number | Publication Date |
|---|---|
| CN103559962A true CN103559962A (en) | 2014-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310564877.9A Pending CN103559962A (en) | 2013-11-14 | 2013-11-14 | Method and device for using arrester as supporting insulator |
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| CN (1) | CN103559962A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105992736A (en) * | 2014-02-19 | 2016-10-05 | 利乐拉瓦尔集团及财务有限公司 | Power supply unit |
| CN114242358A (en) * | 2021-12-07 | 2022-03-25 | 西安西电避雷器有限责任公司 | Separable lightning arrester and manufacturing method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54124294A (en) * | 1978-03-18 | 1979-09-27 | Mitsubishi Electric Corp | Lightning-proof insulator |
| CN1585046A (en) * | 2004-05-26 | 2005-02-23 | 宁波市科技园区永耀电力科技发展有限公司 | Composite protective cover insulator lightning arrester and producing method thereof |
| CN202855464U (en) * | 2012-10-31 | 2013-04-03 | 周海兵 | Novel insulator lightning arrester |
| CN202957084U (en) * | 2012-11-30 | 2013-05-29 | 乐清市赛而乐电器科技有限公司 | Combined insulator arrester |
| CN203536135U (en) * | 2013-11-14 | 2014-04-09 | 都匀供电局 | Anti-thunder high-voltage post insulator |
-
2013
- 2013-11-14 CN CN201310564877.9A patent/CN103559962A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54124294A (en) * | 1978-03-18 | 1979-09-27 | Mitsubishi Electric Corp | Lightning-proof insulator |
| CN1585046A (en) * | 2004-05-26 | 2005-02-23 | 宁波市科技园区永耀电力科技发展有限公司 | Composite protective cover insulator lightning arrester and producing method thereof |
| CN202855464U (en) * | 2012-10-31 | 2013-04-03 | 周海兵 | Novel insulator lightning arrester |
| CN202957084U (en) * | 2012-11-30 | 2013-05-29 | 乐清市赛而乐电器科技有限公司 | Combined insulator arrester |
| CN203536135U (en) * | 2013-11-14 | 2014-04-09 | 都匀供电局 | Anti-thunder high-voltage post insulator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105992736A (en) * | 2014-02-19 | 2016-10-05 | 利乐拉瓦尔集团及财务有限公司 | Power supply unit |
| CN105992736B (en) * | 2014-02-19 | 2019-06-18 | 利乐拉瓦尔集团及财务有限公司 | Power supply unit |
| 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 |
| CN114242358A (en) * | 2021-12-07 | 2022-03-25 | 西安西电避雷器有限责任公司 | Separable lightning arrester and manufacturing method thereof |
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Application publication date: 20140205 |
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