CN204516529U - A kind of arrester with gaps - Google Patents
A kind of arrester with gaps Download PDFInfo
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- CN204516529U CN204516529U CN201420849918.9U CN201420849918U CN204516529U CN 204516529 U CN204516529 U CN 204516529U CN 201420849918 U CN201420849918 U CN 201420849918U CN 204516529 U CN204516529 U CN 204516529U
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- arrester
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- gaps
- lightning
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Abstract
The utility model provides a kind of arrester with gaps, comprises unit of an arrester, and unit of an arrester is connected with line conductor with bolt by connecting wire; One end of unit of an arrester is provided with electrode one, and the other end of unit of an arrester is provided with electrode two; Electrode one and electrode two form gap, and in parallel with unit of an arrester, and this unit of an arrester, electrode one and electrode two form arrester with gaps; The arrangement achieves the large discharge capacity of leakage conductor lightning protection; reduce the volume and weight of lightning arrester; and reduce cost and the installation difficulty of leakage conductor; make transmission line from superpotential infringement; improve the reliability that lightning arrester runs, protects, ensure safe operation of power system.
Description
Technical field
The utility model relates to lightning arrester field, particularly a kind of arrester with gaps.
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 thunder and lightning and the switching overvoltage of transmission line, improves the reliability of system cloud gray model.Along with the development of electric power system, the geographical environment more complicated that transmission line passes through, the degree of protection of transmission line and the tolerance of lightning arrester thunder may be exceeded for area with more lightning activities lightning current, need to adopt the discharge capacity increasing leakage conductor to improve the tolerance of leakage conductor.The method of discharge capacity increasing leakage conductor is generally size by increasing resistor disc and structurally multicolumn resistor disc post parallel connection.The method can increase physical dimension, the overhead line structures heavy burden of lightning arrester, improves the cost of installation difficulty and lightning arrester.
Utility model content
The purpose of this utility model is to overcome prior art defect, provides a kind of volume little and lightweight large discharge capacity arrester with gaps.
For reaching above object, the utility model takes following technical scheme to be achieved:
A kind of arrester with gaps, comprises unit of an arrester, and unit of an arrester is connected with line conductor with bolt by connecting wire; One end of unit of an arrester is provided with electrode one, and the other end of unit of an arrester is provided with electrode two; Electrode one and electrode two form gap, and in parallel with unit of an arrester, and this unit of an arrester, electrode one and electrode two form arrester with gaps.
One end of described unit of an arrester is provided with insulator foot, and insulator foot is fixed by the cross-arm of bolt and transmission tower, and unit of an arrester is suspended on cross-arm by insulator foot.
Described unit of an arrester is suspended on line conductor by suspension member.
The cross-arm of described transmission tower is provided with the monitor for recording lightning arrestor movement number of times and leakage current, the high-pressure side of monitor is connected with the low-pressure end of unit of an arrester by wire.
Described electrode one, electrode two are bar electrode, round loop electrode or half-ring electrodes, and its material is hot-galvanized steel or aluminum alloy materials.
Described lightning arrester comprises 1 ~ 3 unit of an arrester be connected in series.
Resistor disc in described unit of an arrester adopts zinc oxide resistance sheet, the full skirt shape overcoat that overcoat adopts silicon rubber to make.
Feature of the present utility model is: be provided with electrode two in one end of unit of an arrester, is provided with electrode one at the other end of unit of an arrester, electrode one and electrode two form gap, and in parallel with unit of an arrester, this device utilizes coordinating of the flash-over characteristic in gap and lightning arrester parameter, unit of an arrester restriction lightning overvoltage within the scope of the lightning current of regulation, the gap discharge when lightning current exceedes the tolerance of the degree of protection of transmission line and lightning arrester thunder, protect insulator and unit of an arrester from infringement, achieve the large discharge capacity of leakage conductor lightning protection, reduce the volume and weight of lightning arrester, and reduce cost and the installation difficulty of leakage conductor, make transmission line from superpotential infringement, improve lightning arrester to run, the reliability of protection, ensure safe operation of power system.
Further, one end of unit of an arrester is provided with insulator foot, and base is also fixed by bolt and cross-arm, makes unit of an arrester to be arranged on cross-arm easily, quick and easy for installation.
Accompanying drawing explanation
Fig. 1 is the scheme of installation of arrester with gaps;
In figure: 1, electrode one; 2, unit of an arrester; 3, electrode two; 4, insulator foot; 5, monitor; 6, cross-arm; 7, insulator string; 8, line conductor; 9, wire is connected.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
With reference to Fig. 1, the utility model comprises electrode 1, unit of an arrester 2, electrode 23, insulator foot 4, monitor 5, cross-arm 6, insulator string 7, line conductor 8 and is connected wire 9.
Described one end at unit of an arrester 2 is provided with electrode two, is provided with electrode 1 at the other end of unit of an arrester 2; Electrode 1 and electrode 23 form gap, and in parallel with unit of an arrester 2; And one end of unit of an arrester 2 is provided with insulator foot 4, insulator foot is fixed by bolt and cross-arm 6, and unit of an arrester 2 is suspended on cross-arm 6 by base, and unit of an arrester 2 is connected with line conductor 8 with bolt by connecting wire 9; This unit of an arrester 2, electrode 1 and electrode 23 composition arrester with gaps.
Further, cross-arm 6 installs monitor 5 by bolt, and the high-pressure side of monitor 5 is connected by the low-pressure end of wire with unit of an arrester 5; The low-pressure end of described unit of an arrester 2 is provided with insulator foot 5 by bolt, and is bolted to connection with cross-arm 6; Unit of an arrester 2 is also suspended on line conductor 8 by suspension member, and the low-pressure end of unit of an arrester 2 is connected by wire and bolt with monitor high-pressure side.
Further, described lightning arrester can comprise 1 ~ 3 unit of an arrester 2; Electrode 1, the electrode 23 of unit of an arrester 2 can be bar electrode, round loop electrode or half-ring electrodes, and its material is hot-galvanized steel or aluminum alloy materials; Resistor disc in unit of an arrester 2 adopts zinc oxide resistance sheet, the full skirt shape overcoat that overcoat adopts silicon rubber to make.
Claims (7)
1. an arrester with gaps, is characterized in that: comprise unit of an arrester (2), and unit of an arrester (2) is connected with line conductor (8) with bolt by connecting wire (9); One end of unit of an arrester (2) is provided with electrode one (1), and the other end of unit of an arrester (2) is provided with electrode two (3); Electrode one (1) and electrode two (3) form gap, and in parallel with unit of an arrester (2), this unit of an arrester (2), electrode one (1) and electrode two (3) composition arrester with gaps.
2. a kind of arrester with gaps according to claim 1, it is characterized in that: one end of described unit of an arrester (2) is provided with insulator foot (4), insulator foot (4) is fixed by the cross-arm (6) of bolt and transmission tower, and unit of an arrester (2) is suspended on cross-arm (6) by insulator foot.
3. a kind of arrester with gaps according to claim 1, is characterized in that: described unit of an arrester (2) is suspended on line conductor (8) by suspension member.
4. a kind of arrester with gaps according to claim 2, it is characterized in that, the cross-arm (6) of described transmission tower is provided with the monitor (5) for recording lightning arrestor movement number of times and leakage current, the high-pressure side of monitor (5) is connected by the low-pressure end of wire with unit of an arrester (2).
5. a kind of arrester with gaps according to claim 4, is characterized in that: described electrode one (1), electrode two (3) are bar electrode, round loop electrode or half-ring electrodes, and its material is hot-galvanized steel or aluminum alloy materials.
6. a kind of arrester with gaps according to claim 4, is characterized in that, described lightning arrester comprises 1 ~ 3 unit of an arrester be connected in series (2).
7. a kind of arrester with gaps according to claim 4, is characterized in that, the resistor disc in described unit of an arrester (2) adopts zinc oxide resistance sheet, the full skirt shape overcoat that overcoat adopts silicon rubber to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420849918.9U CN204516529U (en) | 2014-12-27 | 2014-12-27 | A kind of arrester with gaps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420849918.9U CN204516529U (en) | 2014-12-27 | 2014-12-27 | A kind of arrester with gaps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204516529U true CN204516529U (en) | 2015-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420849918.9U Active CN204516529U (en) | 2014-12-27 | 2014-12-27 | A kind of arrester with gaps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204516529U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762753A (en) * | 2016-03-28 | 2016-07-13 | 国家电网公司 | +/-800kV DC line arrester installing device and method |
| CN106205899A (en) * | 2016-07-15 | 2016-12-07 | 江苏远航电缆附件有限公司 | A kind of band gap compound needle type insulator |
| 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 |
| CN107731428A (en) * | 2017-10-20 | 2018-02-23 | 孙岳 | A kind of safety lightning arrester |
-
2014
- 2014-12-27 CN CN201420849918.9U patent/CN204516529U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762753A (en) * | 2016-03-28 | 2016-07-13 | 国家电网公司 | +/-800kV DC line arrester installing device and method |
| CN105762753B (en) * | 2016-03-28 | 2017-08-18 | 国家电网公司 | A kind of ± 800 kilovolts of DC line arrester erecting devices and methods |
| CN106205899A (en) * | 2016-07-15 | 2016-12-07 | 江苏远航电缆附件有限公司 | A kind of band gap compound needle type insulator |
| CN106205899B (en) * | 2016-07-15 | 2017-07-28 | 江苏远航电缆附件有限公司 | A kind of band gap compound needle type insulator |
| 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 |
| CN107731428A (en) * | 2017-10-20 | 2018-02-23 | 孙岳 | A kind of safety lightning arrester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: XI'AN XD ARRESTER CO., LTD. Assignor: China XD Electronic Corporation Contract record no.: 2016610000025 Denomination of utility model: Lightning arrester with gap Granted publication date: 20150729 License type: Exclusive License Record date: 20160526 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160630 Address after: 710075 Shaanxi city of Xi'an Province Tang Hing Road No. 7 Patentee after: China XD Electronic Corporation Patentee after: XI'AN XD ARRESTER CO., LTD. Address before: 710075 Shaanxi city of Xi'an Province Tang Hing Road No. 7 Patentee before: China XD Electronic Corporation |