CN203631220U - Lightning arrester with disconnector - Google Patents
Lightning arrester with disconnector Download PDFInfo
- Publication number
- CN203631220U CN203631220U CN201320858999.4U CN201320858999U CN203631220U CN 203631220 U CN203631220 U CN 203631220U CN 201320858999 U CN201320858999 U CN 201320858999U CN 203631220 U CN203631220 U CN 203631220U
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- China
- Prior art keywords
- lightning arrester
- disconnector
- arrester
- supporting insulator
- spring
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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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Abstract
本实用新型公开了一种带脱离器的避雷器，包括避雷器元件和支撑绝缘子，避雷器元件上端与高压输电杆塔塔臂相连，下端与支撑绝缘子的一端相连，支撑绝缘子的另一端与高压导线连接；支撑绝缘子的一端装有脱离器，脱离器通过弹簧与支撑绝缘子的另一端连接，连接导线两端与弹簧的两端连接；当避雷器出现异常发生故障时脱离器动作，使避雷器与高压导线脱开，防止事故进一步扩大，而在避雷器处于正常工作状态时，脱离器不动作并呈低阻抗，不影响系统原工作状态和避雷器的保护特性，保证不间断供电，使避雷器真正达到“免维护”使用要求，满足高压交流输电线路过电压保护和免维护的要求。
The utility model discloses a lightning arrester with a disconnector, which comprises a lightning arrester element and a supporting insulator. The upper end of the lightning arrester element is connected with the tower arm of a high-voltage transmission tower, the lower end is connected with one end of the supporting insulator, and the other end of the supporting insulator is connected with a high-voltage wire; One end of the insulator is equipped with a disconnector, which is connected to the other end of the supporting insulator through a spring, and the two ends of the connecting wire are connected to the two ends of the spring; when the arrester fails abnormally, the disconnector acts to disconnect the arrester from the high-voltage wire. To prevent the further expansion of the accident, when the arrester is in normal working state, the disconnector does not act and shows low impedance, which does not affect the original working state of the system and the protection characteristics of the arrester, ensuring uninterrupted power supply, so that the arrester can truly meet the "maintenance-free" use requirements , to meet the high-voltage AC transmission line overvoltage protection and maintenance-free requirements.
Description
Technical field
The utility model belongs to lightning arrester technical field, is specifically related to a kind of lightning arrester with disconnector.
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 system reliability of operation.Along with the development of national economy, the requirement of power supply reliability is improved constantly.
The lightning arrester of installing on transmission line, it is safeguarded, tests and install and changes more difficult, existing lightning arrester needs power operation in the time safeguarding, and whether lightning arrester damages is difficult for finding, need regularly each lightning arrester to be checked, bring a lot of inconvenience to the maintenance of electric power system, increased maintenance cost.And, due to the overvoltage feature of transmission line with at transmission line, the particularity of lightning arrester is installed, common lightning arrester cannot meet non-maintaining requirement.
Utility model content
In order to overcome the defect existing in above-mentioned prior art, the purpose of this utility model is to provide a kind of lightning arrester with disconnector of realizing non-maintaining requirement, and this lightning arrester is simple in structure, is convenient to install, and can effectively protect HVAC power transmission line.
The utility model is achieved through the following technical solutions:
With a lightning arrester for disconnector, comprise unit of an arrester and supporting insulator, unit of an arrester upper end is connected with high-voltage power transmission tower tower arm, and unit of an arrester lower end is connected with one end of supporting insulator, and the other end of supporting insulator is connected with high-voltage conducting wires; Disconnector is equipped with in one end at described supporting insulator, disconnector is connected with the other end of supporting insulator by spring, connect wire two ends and be connected with the two ends of spring, this supporting insulator, disconnector, spring and unit of an arrester form the lightning arrester with disconnector.
On described high-voltage power transmission tower tower arm, be also 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 upper end of unit of an arrester by wire.
Described lightning arrester comprises 1～3 unit of an arrester, and each unit of an arrester is connected afterwards and supports insulative sub-connection.
Described supporting insulator is composite insulator.
Resistor disc in described unit of an arrester adopts zinc oxide resistance sheet, and overcoat is the full skirt shape overcoat that adopts silicon rubber to make.
Described disconnector is heat-explosion type disconnector or hot melten type disconnector.
Described spring adopts stainless steel material to make, and connects wire and is contained in spring outside or inner.
The upper end of described unit of an arrester is also provided with insulation suspension member, and unit of an arrester is connected with high-voltage power transmission tower tower arm by insulation suspension member.
Compared with prior art, the utlity model has following useful technique effect:
Unit of an arrester of the present utility model with disconnector is installed, spring, the supporting insulator that connects wire is connected in series, the lightning arrester of composition with disconnector, disconnector action in the time that extremely breaking down appears in lightning arrester, lightning arrester and high-voltage conducting wires are thrown off, lightning arrester is out of service, Accident prevention further expands, and at lightning arrester during in normal operating conditions, disconnector is failure to actuate and is Low ESR, do not affect the protective feature of the former operating state of system and lightning arrester, guarantee uninterrupted power supply, make lightning arrester really reach " non-maintaining " instructions for use, meet HVAC power transmission line overvoltage protection and non-maintaining requirement.
Further, unit of an arrester adopts polymeric housed metal oxide arrester structure, and mounting means is flexible, adapts to the mounting means on different types of transmission tower.
Further, on high voltage power transmission tower wall, be also provided with monitor, the high-pressure side of monitor is connected with unit of an arrester by wire, and this monitor can also, with lightning arrestor movement number of times and leakage current wireless remote function, can transfer to receiving system by the signal wireless of record.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Wherein: 1 is disconnector; 2 is spring; 3 is supporting insulator; 4 for connecting wire; 5 is unit of an arrester; 6 is insulation suspension member; 7 is monitor; 8 is high-voltage conducting wires; 9 is insulator string; 10 is high-voltage power transmission tower tower arm.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Referring to Fig. 1, lightning arrester with disconnector of the present utility model, comprise disconnector 1, spring 2, supporting insulator 3 and unit of an arrester 5, the upper end of unit of an arrester 5 is connected with high-voltage power transmission tower tower arm 10, lower end is connected with one end of supporting insulator 3, and the other end of supporting insulator 3 is connected with high-voltage conducting wires 8; In one end of described supporting insulator 3, disconnector 1 is housed, disconnector 1 is connected with the other end of supporting insulator 3 by spring 2, and connect wire 4 and be connected with the two ends of spring 2, this supporting insulator 3, disconnector 1, spring 2 and the lightning arrester of unit of an arrester 5 compositions with disconnector.
Described unit of an arrester 5 is connected in series with the supporting insulator 3 that disconnector 1, spring 2 is installed, be connected wire 4, the lightning arrester of composition with disconnector, and lightning arrester is connected in parallel with the insulator string 9 that is arranged on high-voltage conducting wires 8 and high-voltage power transmission tower tower arm 10.On described high-voltage power transmission tower tower arm 10, be also provided with the monitor 7 for recording lightning arrestor movement number of times and leakage current, the high-pressure side of monitor 7 is connected with the upper end of unit of an arrester 5 by wire.
Described lightning arrester comprises 1～3 unit of an arrester 5, after each unit of an arrester series connection, is connected with supporting insulator 3, and supporting insulator 3 is composite insulator.Resistor disc in described unit of an arrester 5 adopts zinc oxide resistance sheet, and overcoat is the full skirt shape overcoat that adopts silicon rubber to make.
Described disconnector 1 can be heat explosion type or hot melten type, the short circuit current in inefficacy lightning arrester is flow through in the utilization of hot melten type disconnector, make the fusing of alloy fuse piece (or scolding tin) in disconnector reach the object of disengaging, short circuit current in heat-explosion type disconnector utilization inefficacy lightning arrester produces arcing in disconnector, thermal explosion element reaches the object of disengaging, and lightning arrester and high-voltage conducting wires are departed from.Described spring 2 adopts stainless steel material to make, and connection wire 4 can be contained in the outside of spring 2, also can be contained in the inside of spring 2.The upper end of described unit of an arrester 5 is also provided with insulation suspension member 6, and insulation suspension member 6 is connected with high-voltage power transmission tower tower arm 10.
The utility model has the advantage of that this arrester device is non-maintaining, exemption from inspection, insulation level are high, have automatic detachment function, reliability, fail safe are higher, easy for installation, versatility interchangeability is strong, operation and maintenance cost is low.The problem of avoiding traditional lightning arrester to cause whole lightning arrester to damage because breaking down, this product only need be changed disconnector, also can realize running status maintenance, reduces maintenance workload, can save a large amount of operation and maintenance costs.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320858999.4U CN203631220U (en) | 2013-12-24 | 2013-12-24 | Lightning arrester with disconnector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320858999.4U CN203631220U (en) | 2013-12-24 | 2013-12-24 | Lightning arrester with disconnector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203631220U true CN203631220U (en) | 2014-06-04 |
Family
ID=50817675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320858999.4U Expired - Lifetime CN203631220U (en) | 2013-12-24 | 2013-12-24 | Lightning arrester with disconnector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203631220U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106847431A (en) * | 2017-02-13 | 2017-06-13 | 广州中光电子科技有限公司 | A kind of lightning protection insulator departed from failure with aging identification function |
| CN107622841A (en) * | 2017-09-01 | 2018-01-23 | 国网甘肃省电力公司经济技术研究院 | A kind of transformer insulated son |
| CN108462140A (en) * | 2018-03-27 | 2018-08-28 | 国网冀北电力有限公司承德供电公司 | A kind of thunder resisting equipment of transmission line of electricity |
| CN113628939A (en) * | 2021-08-13 | 2021-11-09 | 温州益坤电气股份有限公司 | Prevent top net overvoltage protection device |
| CN114974766A (en) * | 2022-05-31 | 2022-08-30 | 国网福建省电力有限公司电力科学研究院 | A fault-aware gapless arrester and its working method |
-
2013
- 2013-12-24 CN CN201320858999.4U patent/CN203631220U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106847431A (en) * | 2017-02-13 | 2017-06-13 | 广州中光电子科技有限公司 | A kind of lightning protection insulator departed from failure with aging identification function |
| CN106847431B (en) * | 2017-02-13 | 2018-06-22 | 广州中光电气科技有限公司 | A lightning protection insulator with fault separation and aging identification functions |
| CN107622841A (en) * | 2017-09-01 | 2018-01-23 | 国网甘肃省电力公司经济技术研究院 | A kind of transformer insulated son |
| CN108462140A (en) * | 2018-03-27 | 2018-08-28 | 国网冀北电力有限公司承德供电公司 | A kind of thunder resisting equipment of transmission line of electricity |
| CN113628939A (en) * | 2021-08-13 | 2021-11-09 | 温州益坤电气股份有限公司 | Prevent top net overvoltage protection device |
| CN114974766A (en) * | 2022-05-31 | 2022-08-30 | 国网福建省电力有限公司电力科学研究院 | A fault-aware gapless arrester and its working method |
| CN114974766B (en) * | 2022-05-31 | 2024-01-23 | 国网福建省电力有限公司电力科学研究院 | A fault-sensing gapless arrester and its working method |
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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: 20140604 |