CN203747241U - Air gap lightning arrester - Google Patents
Air gap lightning arrester Download PDFInfo
- Publication number
- CN203747241U CN203747241U CN201320822430.2U CN201320822430U CN203747241U CN 203747241 U CN203747241 U CN 203747241U CN 201320822430 U CN201320822430 U CN 201320822430U CN 203747241 U CN203747241 U CN 203747241U
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- CN
- China
- Prior art keywords
- arrester
- air gap
- unit
- lightning arrester
- top electrode
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 238000009413 insulation Methods 0.000 claims description 9
- 239000012212 insulator Substances 0.000 claims description 9
- 239000000725 suspension Substances 0.000 claims description 7
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- 229920002379 silicone rubber Polymers 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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Abstract
The utility model discloses an air gap lightning arrester, and belongs to the technical field of lightning arresters. The air gap lightning arrester comprises a lower electrode, an upper electrode and a lightning arrester member. The lower electrode is fixed on a high voltage wire, the upper electrode is connected with the lower end of the lightning arrester member, the upper end of the lightning arrester member is fixed on a support which is connected with a high voltage transmission tower arm, an air gap is formed between the lower electrode and the upper electrode, and the air gap is connected in series with the lightning arrester member to form the air gap lightning arrester. The air gap lightning arrester can protect AC extra-high voltage power transmission lines, the lightning flashover rate is reduced, the discharging dispersibility of the air gap is small, and the air gap lightning arrester is flexible in installation way, and can be installed on a power transmission line tower conveniently.
Description
Technical field
The utility model belongs to lightning arrester technical field, is specifically related to a kind of air gap arrester.
Background technology
In transmission line, lightning arrester, as important overvoltage protection, is arranged on transmission tower, with line insulator connection in series-parallel, for limiting the lightning overvoltage of transmission line, reduces lightning flashover rate.Along with the development of national economy, the requirement of power supply reliability is improved constantly.Due to large many of the Shou Lei Area Ratio transformer station of transmission line, so the probability being struck by lightning is much larger than transformer station.Along with the continuous expansion of electrical network, the tripping operation, the power outage that are caused by transmission line are increasing.Due to the particularity that exchanges the overvoltage feature of extra high voltage network and lightning arrester is installed at transmission line, and non-maintaining requirement, common lightning arrester cannot meet the requirement that exchanges the lightning protection of extra high voltage network and install at circuit.
Utility model content
In order to overcome above-mentioned defect of the prior art, the purpose of this utility model is to provide a kind of air gap arrester, and this lightning arrester is simple in structure, be convenient to install, and can effectively protect Line Insulation Strings, reduces lightning flashover rate.
The utility model is to be achieved through the following technical solutions:
A kind of air gap arrester, comprise bottom electrode, top electrode and unit of an arrester, bottom electrode is fixed on high-voltage conducting wires, top electrode is connected with the lower end of unit of an arrester, the upper end of unit of an arrester is fixed on the support being connected with high-voltage power transmission tower tower arm, between described bottom electrode and top electrode, form air gap, this air gap and unit of an arrester are composed in series air gap arrester.
Described air gap arrester is with to be arranged on insulator string between high-voltage conducting wires and high-voltage power transmission tower tower arm in parallel.
Between described insulator string and unit of an arrester at a distance of 2.6m～2.8m.
On described support, be also provided for recording the counter of lightning arrestor movement number of times, the high-pressure side of counter is connected with the upper end of unit of an arrester by wire.
Described air gap arrester can comprise 2～4 unit of an arrester.
Resistor disc in described unit of an arrester adopts zinc oxide resistance sheet, lightning arrester internal cavities embedding silicon rubber, and overcoat is the full skirt shape overcoat that adopts silicon rubber to make.
The shape of described bottom electrode and top electrode can be circular or oval, and top electrode is with radian.
Described bottom electrode and top electrode all adopt tube and pipe of aluminium alloy to make.
The upper end of described unit of an arrester is connected with insulation suspension member, and insulation suspension member is connected with support.
Compared with prior art, the utlity model has following useful technique effect:
Between bottom electrode of the present utility model and top electrode, be formed with air gap, this air gap and unit of an arrester are composed in series air gap arrester, and the upper end of unit of an arrester is fixed on the support being connected with high-voltage power transmission tower tower arm; This air gap arrester can be protected and exchange EHV Transmission Line Insulator string, reduce lightning flashover rate, and the dispersiveness of the electric discharge in its gap is little, and mounting means is flexible, is convenient to be arranged on electric power line pole tower.
Further, on support, be also provided with counter, the high-pressure side of counter is connected with unit of an arrester by wire, and this counter can also, with lightning arrestor movement number of times wireless transmission function, can be wirelessly transmitted to signal receiving device by the action frequency of unit of an arrester.
Further, the shape of top electrode is designed to radian, and being designed with radian is in order to ensure in the time that high-voltage conducting wires swings, and the distance of the air gap of bottom electrode and top electrode composition can keep within the limits prescribed.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Wherein: 1 is bottom electrode; 2 is top electrode; 3 is unit of an arrester; 4 is insulation suspension member; 5 is support; 6 is counter; 7 is high-voltage conducting wires; 8 is insulator string; 9 is high voltage power transmission tower shaft tower tower arm.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Referring to Fig. 1, air gap arrester of the present utility model, comprises bottom electrode 1 and top electrode 2, bottom electrode 1 be shaped as circle or ellipse, top electrode 2 is with radian, bottom electrode 1 and top electrode 2 all adopt tube and pipe of aluminium alloy to make; Between bottom electrode 1 and top electrode 2, form air gap, unit of an arrester 3 is connected with the air gap that bottom electrode 1 and top electrode 2 form, and forms air gap arrester; Described air gap arrester is with to be arranged on insulator string 8 between high-voltage conducting wires 7 and high-voltage power transmission tower tower arm 9 in parallel.Be connected with insulation suspension member 4 in the upper end of unit of an arrester 3, provide insulation for counter is installed, and insulation suspension member 4 be fixed on the support 5 being connected with high-voltage power transmission tower tower arm 9; Described bottom electrode 1 is arranged on high-voltage conducting wires 7, between insulator string 8 and unit of an arrester 3 at a distance of 2.6m～2.8m.On described support 5, be also provided with counter 6, the high-pressure side of counter 6 is connected with the upper end of unit of an arrester 3 by high-voltage conducting wires.
Described air gap arrester can comprise 2～4 unit of an arrester 3, and in unit of an arrester, resistor disc adopts zinc oxide resistance sheet, lightning arrester internal cavities embedding silicon rubber, and overcoat is the full skirt shape overcoat that adopts silicon rubber to make.
Claims (7)
1. an air gap arrester, it is characterized in that, comprise bottom electrode (1), top electrode (2) and unit of an arrester (3), bottom electrode (1) is fixed on high-voltage conducting wires (7), top electrode (2) is connected with the lower end of unit of an arrester (3), the upper end of unit of an arrester (3) is fixed on the support (5) being connected with high-voltage power transmission tower tower arm (9), between described bottom electrode (1) and top electrode (2), form air gap, this air gap and unit of an arrester (3) are composed in series air gap arrester; Resistor disc in described unit of an arrester (3) adopts zinc oxide resistance sheet, lightning arrester internal cavities embedding silicon rubber, and overcoat is the full skirt shape overcoat that adopts silicon rubber to make; Described bottom electrode (1) and top electrode (2) be shaped as circle or ellipse, top electrode (2) is with radian.
2. a kind of air gap arrester according to claim 1, is characterized in that, described air gap arrester is with to be arranged on insulator string (8) between high-voltage conducting wires (7) and high-voltage power transmission tower tower arm (9) in parallel.
3. a kind of air gap arrester according to claim 2, is characterized in that, between described insulator string (8) and unit of an arrester (3) at a distance of 2.6m～2.8m.
4. a kind of air gap arrester according to claim 1, it is characterized in that, on described support (5), be also provided for recording the counter (6) of lightning arrestor movement number of times, the high-pressure side of counter (6) is connected with the upper end of unit of an arrester (3) by wire.
5. a kind of air gap arrester according to claim 1, is characterized in that, described air gap arrester comprises 2～4 unit of an arrester (3).
6. according to a kind of air gap arrester described in any one in claim 1～5, it is characterized in that, described bottom electrode (1) and top electrode (2) all adopt tube and pipe of aluminium alloy to make.
7. a kind of air gap arrester according to claim 1, is characterized in that, the upper end of described unit of an arrester (3) is connected with insulation suspension member (4), and insulation suspension member (4) is connected with support (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320822430.2U CN203747241U (en) | 2013-12-13 | 2013-12-13 | Air gap lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320822430.2U CN203747241U (en) | 2013-12-13 | 2013-12-13 | Air gap lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203747241U true CN203747241U (en) | 2014-07-30 |
Family
ID=51347000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320822430.2U Expired - Lifetime CN203747241U (en) | 2013-12-13 | 2013-12-13 | Air gap lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203747241U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104124011A (en) * | 2014-08-14 | 2014-10-29 | 陈晓光 | Integrated lightning arrester insulator |
| CN104600567A (en) * | 2015-02-02 | 2015-05-06 | 国网电力科学研究院武汉南瑞有限责任公司 | Alternating current electric transmission line lightning flashover restriction method and device |
| CN104716563A (en) * | 2015-03-24 | 2015-06-17 | 合肥南南电力保护设备有限公司 | Self-cutting follow current lightning arrester |
| CN108933383A (en) * | 2018-06-21 | 2018-12-04 | 广西电网有限责任公司电力科学研究院 | A kind of arrester in built in air gap |
| CN110164638A (en) * | 2019-05-16 | 2019-08-23 | 山东电力设备有限公司 | The electric transmission line lightning arrester device of the air gap is adjusted according to environmental data |
| WO2021103017A1 (en) * | 2019-11-29 | 2021-06-03 | 国网电力科学研究院武汉南瑞有限责任公司 | Method for limiting lightning-strike flashover of dc electricity transmission line |
-
2013
- 2013-12-13 CN CN201320822430.2U patent/CN203747241U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104124011A (en) * | 2014-08-14 | 2014-10-29 | 陈晓光 | Integrated lightning arrester insulator |
| CN104600567A (en) * | 2015-02-02 | 2015-05-06 | 国网电力科学研究院武汉南瑞有限责任公司 | Alternating current electric transmission line lightning flashover restriction method and device |
| CN104716563A (en) * | 2015-03-24 | 2015-06-17 | 合肥南南电力保护设备有限公司 | Self-cutting follow current lightning arrester |
| CN104716563B (en) * | 2015-03-24 | 2016-07-06 | 合肥南南电力保护设备有限公司 | A kind of from cutting afterflow spark gap |
| CN108933383A (en) * | 2018-06-21 | 2018-12-04 | 广西电网有限责任公司电力科学研究院 | A kind of arrester in built in air gap |
| CN110164638A (en) * | 2019-05-16 | 2019-08-23 | 山东电力设备有限公司 | The electric transmission line lightning arrester device of the air gap is adjusted according to environmental data |
| CN110164638B (en) * | 2019-05-16 | 2024-02-23 | 山东电力设备有限公司 | Power transmission line lightning arrester device for adjusting air gap according to environmental data |
| WO2021103017A1 (en) * | 2019-11-29 | 2021-06-03 | 国网电力科学研究院武汉南瑞有限责任公司 | Method for limiting lightning-strike flashover of dc electricity transmission line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |