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
- disconnector
- arrester
- lightning arrester
- unit
- supporting insulator
- Prior art date
- 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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- 239000012212 insulator Substances 0.000 claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 238000009413 insulation Methods 0.000 claims description 8
- 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
- 238000004880 explosion Methods 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 7
- 239000000203 mixture Substances 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Thermistors And Varistors (AREA)
Abstract
The utility model discloses a lightning arrester with a disconnector. The lightning arrester comprises a lightning arrester element and a supporting insulator, wherein the upper end of the lightning arrester element is connected with a tower arm of a high-voltage power transmission tower, and the lower end of the lightning arrester element is connected with one end of the supporting insulator; the other end of the supporting insulator is connected with a high-voltage lead; the disconnector is arranged at one end of the supporting insulator, and is connected with the other end of the supporting insulator through a spring; the two ends of a connecting lead are connected with the two ends of the spring. When the lightning arrester fails abnormally, the disconnector acts to disconnect the lightning arrester from the high-voltage lead, so that accidents are prevented from further expanding. When the lightning arrester is in a normal working state, the disconnector does not act, is in low in impedance and does not influence the original working state of a system and the protection feature of the lightning arrester, and intermittent power supply is ensured, so that the requirement of maintenance-free use of the lightning arrester is met, and the requirements of overvoltage protection and freeness from maintenance of a high-voltage alternating-current power transmission line are met.
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)
1. the lightning arrester with disconnector, it is characterized in that, comprise unit of an arrester (5) and supporting insulator (3), unit of an arrester (5) upper end is connected with high-voltage power transmission tower tower arm (10), unit of an arrester (5) 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), connect wire (4) two ends and be connected with the two ends of spring (2), this supporting insulator (3), disconnector (1), spring (2) form the lightning arrester with disconnector with unit of an arrester (5).
2. the lightning arrester with disconnector according to claim 1, it is characterized in that, 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.
3. the lightning arrester with disconnector according to claim 1, is characterized in that, 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).
4. the lightning arrester with disconnector according to claim 1, is characterized in that, described supporting insulator (3) is composite insulator.
5. the lightning arrester with disconnector according to claim 1, is characterized in that, the 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.
6. according to the lightning arrester with disconnector described in any one in claim 1～5, it is characterized in that, described disconnector (1) is heat explosion type lightning arrester or hot melten type lightning arrester.
7. according to the lightning arrester with disconnector described in any one in claim 1～5, it is characterized in that, described spring (2) adopts stainless steel material to make, and connects wire (4) and is contained in spring (2) outside or inner.
8. according to the lightning arrester with disconnector described in any one in claim 1～5, it is characterized in that, the upper end of described unit of an arrester (5) is also provided with insulation suspension member (5), and unit of an arrester (5) is connected with high-voltage power transmission tower tower arm (10) by insulation suspension member (6).
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 | Gapless lightning arrester capable of sensing fault and working method thereof |
-
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 | Lightning-protection insulator with fault separation and aging recognition 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 | Gapless lightning arrester capable of sensing fault and working method thereof |
| 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 | Gapless lightning arrester capable of sensing faults and working method thereof |
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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: 20140604 |
|
| CX01 | Expiry of patent term |