CN202940460U - Tower lightning arrester - Google Patents
Tower lightning arrester Download PDFInfo
- Publication number
- CN202940460U CN202940460U CN 201220669038 CN201220669038U CN202940460U CN 202940460 U CN202940460 U CN 202940460U CN 201220669038 CN201220669038 CN 201220669038 CN 201220669038 U CN201220669038 U CN 201220669038U CN 202940460 U CN202940460 U CN 202940460U
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- CN
- China
- Prior art keywords
- lightning arrester
- arrester
- unit
- shaft tower
- support
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Abstract
The utility model discloses a tower lightning arrester. The tower lightning arrester comprises a lightning arrester element, an adjustment plate, an upper electrode, a lower electrode, an insulating base and a support. The support is fixed on the tower. The lightning arrester element and the insulating base are fixedly connected onto the support through bolts. The adjustment plate is fixed at the end portion of the lightning arrester element which is close to the high-voltage wire, and the upper electrode is fixed on the adjustment plate. The lower electrode is arranged on the high-voltage wire. The lightning arrester element is serially connected with an air gap which is composed of the upper electrode and the lower electrode. According to the utility model, the lightning arrester element is serially connected with an air gap which is composed of the upper electrode and the lower electrode, the lightning arrester element and the insulating base are fixedly connected onto the support through bolts, and the gap distance is adjusted through the adjustment plate. The tower lightning arrester can be used to protect alternating-current electric transmission line insulator chains, reduce the lightning flashover rate, and the advantage of good protection performance can be realized, advantages of small gap discharging dispersivity and flexible installation method can be realized, so the tower lightning arrester can be conveniently installed on the electric transmission line tower.
Description
Technical field
The utility model relates to lightning arrester field, particularly a kind of transmission line pole tower lightning-protection device.
Background technology
In transmission line, lightning arrester is arranged on transmission tower as important overvoltage protection, with the line insulator connection in series-parallel, is used for the lightning overvoltage of restriction transmission line, reduces lightning flashover rate.
Along with the development of national economy, the requirement of power supply reliability is improved constantly.Due to transmission line be subjected to large many of thunder Area Ratio transformer station, so the probability that is struck by lightning is much larger than transformer station.Along with the continuous expansion of electrical network, because tripping operation, power outage that transmission line causes are increasing.Due to the overvoltage characteristics of transmission line and the particularity that lightning arrester is installed at transmission line, common lightning arrester can't satisfy the lightning protection of transmission line and the requirement of installing at circuit.
The utility model content
The purpose of this utility model is to provide a kind of shaft tower lightning arrester, is used for protecting Line Insulation Strings, reduces lightning flashover rate; and its protective value is good; the discharge in gap dispersed little, mounting means is flexible, is convenient to be arranged on electric power line pole tower.
For achieving the above object, the utility model adopts following technical scheme:
A kind of shaft tower lightning arrester comprises unit of an arrester, adjustable plate, top electrode, bottom electrode, insulator foot and support; Support is fixed on shaft tower; Unit of an arrester and insulator foot are bolted to connection at support; Unit of an arrester is fixed with adjustable plate near the end of high-voltage conducting wires, is fixed with top electrode on adjustable plate; High-voltage conducting wires is provided with bottom electrode.
The utility model further improves and is: unit of an arrester is connected with the air gap that top electrode and bottom electrode form.
The utility model further improves and is: described unit of an arrester is polymeric housed metal oxide arrester, the resistor disc that is equipped with in unit of an arrester is zinc oxide resistance sheet, the overcoat of unit of an arrester is the full skirt shape overcoat that silicon rubber is made, and the umbrella shape of described overcoat is isometrical umbrella or large umbellule.
The utility model further improves and is: described very ellipse or the circular metal electrode of powering on; Bottom electrode is aluminium wire or the aluminium strip that is wrapped on high-voltage conducting wires.
The utility model further improves and is: on described support, counter is installed, the low-pressure end sum counter of unit of an arrester connects by wire.
The utility model further improves and is: described shaft tower lightning arrester also comprises insulator string; Insulator string one end connects shaft tower, and the other end connects high-voltage conducting wires.
With respect to prior art, the beneficial effect that the utlity model has is: the utility model adopts unit of an arrester to connect with the air gap that top electrode and bottom electrode form, by bolt, unit of an arrester and insulator foot are fixedly connected on support, adopt adjustable plate to be used for regulating clearance distance.Can be used for protecting Line Insulation Strings, reduce lightning flashover rate, and its protective value be good, the discharge in gap dispersed little, mounting means is flexible, is convenient to be arranged on electric power line pole tower.
Description of drawings
Below in conjunction with drawings and Examples, the utility model is described further;
Fig. 1 is that the master of a kind of shaft tower lightning arrester of the present utility model looks schematic diagram.
In figure: 1, unit of an arrester; 2, adjustable plate; 3, top electrode; 4, bottom electrode; 5, insulator foot; 6, counter; 7, support; 8, insulator string; 9, high-voltage conducting wires; 10, shaft tower.
Embodiment:
With reference to Fig. 1, a kind of shaft tower lightning arrester of the utility model comprises unit of an arrester 1, adjustable plate 2, top electrode 3, bottom electrode 4, insulator foot 5, counter 6, support 7 and insulator string 8.With bolt, support 7 is fixedly connected with shaft tower 10, insulator string 8 one ends connect shaft tower 10, and the other end connects high-voltage conducting wires 9; Unit of an arrester 1 and insulator foot 5 are fixedly connected on support 7, adjustable plate 2 are connected to the end of unit of an arrester 1, top electrode 3 is connected on adjustable plate 2, counter 6 is connected on support 7.Be wrapped in aluminium wire or aluminium strip and make bottom electrode 4 on high-voltage conducting wires 9, unit of an arrester 1 is connected with the air gap that top electrode 3 and bottom electrode 4 form, and adjustable plate 2 is used for regulating clearance distance.Connect with the low-pressure end sum counter 6 of wire with unit of an arrester 1.
Claims (6)
1. a shaft tower lightning arrester, is characterized in that, comprises unit of an arrester (1), adjustable plate (2), top electrode (3), bottom electrode (4), insulator foot (5) and support (7); Support (7) is fixed on shaft tower (10); Unit of an arrester (1) and insulator foot (5) are bolted to connection in support (7); Unit of an arrester (1) is fixed with adjustable plate (2) near the end of high-voltage conducting wires (9), is fixed with top electrode (3) on adjustable plate (2); High-voltage conducting wires (9) is provided with bottom electrode (4).
2. a kind of shaft tower lightning arrester according to claim 1, is characterized in that, unit of an arrester (1) is connected with the air gap that top electrode (3) and bottom electrode (4) form.
3. a kind of shaft tower lightning arrester according to claim 1, it is characterized in that, described unit of an arrester (1) is polymeric housed metal oxide arrester, the resistor disc that is equipped with in unit of an arrester (1) is zinc oxide resistance sheet, the overcoat of unit of an arrester (1) is the full skirt shape overcoat that silicon rubber is made, and the umbrella shape of described overcoat is isometrical umbrella or large umbellule.
4. a kind of shaft tower lightning arrester according to claim 1, is characterized in that, described top electrode (3) is ellipse or circular metal electrode; Bottom electrode (4) is for being wrapped in aluminium wire or the aluminium strip on high-voltage conducting wires (9).
5. a kind of shaft tower lightning arrester according to claim 1, is characterized in that, counter (6) is installed on described support (7), and the low-pressure end sum counter (6) of unit of an arrester (1) connects by wire.
6. a kind of shaft tower lightning arrester according to claim 1, is characterized in that, described shaft tower lightning arrester also comprises insulator string (8); Insulator string (8) one ends connect shaft tower (10), and the other end connects high-voltage conducting wires (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220669038 CN202940460U (en) | 2012-12-05 | 2012-12-05 | Tower lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220669038 CN202940460U (en) | 2012-12-05 | 2012-12-05 | Tower lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202940460U true CN202940460U (en) | 2013-05-15 |
Family
ID=48324683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220669038 Expired - Lifetime CN202940460U (en) | 2012-12-05 | 2012-12-05 | Tower lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202940460U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107134715A (en) * | 2017-05-10 | 2017-09-05 | 国家电网公司 | A kind of electric transmission line lightning arrester device and installation method |
| 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 |
-
2012
- 2012-12-05 CN CN 201220669038 patent/CN202940460U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107134715A (en) * | 2017-05-10 | 2017-09-05 | 国家电网公司 | A kind of electric transmission line lightning arrester device and installation method |
| 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 |
Granted publication date: 20130515 |
|
| CX01 | Expiry of patent term |