CN202771877U - Lightning-protection device - Google Patents
Lightning-protection device Download PDFInfo
- Publication number
- CN202771877U CN202771877U CN 201220496998 CN201220496998U CN202771877U CN 202771877 U CN202771877 U CN 202771877U CN 201220496998 CN201220496998 CN 201220496998 CN 201220496998 U CN201220496998 U CN 201220496998U CN 202771877 U CN202771877 U CN 202771877U
- Authority
- CN
- China
- Prior art keywords
- lightning
- lightning arrester
- control structure
- arrester
- insulated terminal
- 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 - Fee Related
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/12—Overvoltage protection resistors
Abstract
The utility model discloses a lightning-protection device. The lightning-protection device comprises an insulating terminal and a lightning arrester, wherein the top of the insulating terminal is fixedly connected with a fixing part of a high voltage cable, the bottom of the insulating terminal is grounded, the lightning arrester and the insulating terminal are arranged side by side, the top of the lightning arrester is connected with the high voltage cable, the bottom of the lightning arrester is connected with the bottom of the insulating terminal, a lightning-protection control structure is arranged at the top of the lightning arrester, and the lightning arrester is connected with the high voltage cable through the lightning-protection control structure. The lightning-protection device is simple and reasonable in structure, the lightning-protection effect is achieved through the lightning arrester which is arranged side by side with the insulating terminal, the lightning-protection control structure is arranged at the top of the lightning arrester, a conductive rod of the lightning-protection control structure discharges electricity to a conductive stator when the lightning-protection device is struck by lightning, and the lightning arrester starts operation and leads voltage into the earth, so that the insulating terminal and a lead can operate normally, and the usage safety is high.
Description
Technical field
The utility model belongs to the lightning-arrest field of outdoor AC circuit, is specifically related to a kind of lightning arrester.
Background technology
China's electric power is in developing rapidly, and the transmission line lightning stroke problem is more and more outstanding, has had a strong impact on normal grid supply quality.Present China high pressure grade; for example all add the line thunder protection protection in 500Kv, 220kV, 110kV, the 35kV circuit; and a large amount of 10kV circuits does not all install additional; in recent years; along with improving constantly of China 10kV overhead distribution insulation rate; etesian 10kV circuit breaking accident reaches hundreds of times, and electrical network reliability service and personal injury have been consisted of safely threat, has become China's electrical network problem in the urgent need to address.
Summary of the invention
The purpose of this utility model provides a kind of simple and reasonable, lightning arrester that safety in utilization is good.
The technical scheme that realizes the utility model purpose is a kind of lightning arrester, comprise insulated terminal, lightning arrester, the top of described insulated terminal is fixedly connected on the fixture of high-tension cable, the bottom ground connection of insulated terminal, described lightning arrester and insulated terminal are arranged side by side, the top of described lightning arrester links to each other with high-tension cable, the bottom of lightning arrester links to each other with the bottom of insulated terminal, be provided with lightning-arrest control structure at the top of described lightning arrester, described lightning arrester links to each other with high-tension cable by lightning-arrest control structure.
Described lightning-arrest control structure comprises the conduction torch that links to each other with high-tension cable and is arranged on the conduction stator at lightning arrester top.
Comprise that also the bottom of described insulated terminal links to each other and ground connection by adjustment structure with the bottom of lightning arrester for the adjustment structure of regulating distance between conduction torch and the conduction stator.
Described lightning arrester is zero-clearance zinc oxide lightning arrester.
The utlity model has positive effect: of the present utility model simple and reasonable; realize the lightning protection effect by the lightning arrester that is arranged side by side with insulated terminal; be provided with lightning-arrest control structure at the top of lightning arrester; when being subject to being struck by lightning; the conduction torch of lightning-arrest control structure is to the discharge of conduction stator, and lightning arrester begins action, and voltage is introduced the earth; guaranteed insulating end and wire can work, usage safety performance is good.
Description of drawings
For content of the present utility model is more likely to be clearly understood, the below is described in further detail the utility model according to specific embodiment also by reference to the accompanying drawings, wherein:
Fig. 1 is structural representation of the present utility model.
Embodiment
(embodiment 1)
Fig. 1 has shown a kind of embodiment of the present utility model, and wherein Fig. 1 is structural representation of the present utility model.
See Fig. 1, a kind of lightning arrester, comprise insulated terminal 1, lightning arrester 2, the top of described insulated terminal 1 is fixedly connected on the fixture 3 of high-tension cable, the bottom ground connection of insulated terminal 1, and described lightning arrester 2 is arranged side by side with insulated terminal 1, the top of described lightning arrester 2 links to each other with high-tension cable, the bottom of lightning arrester 2 links to each other with the bottom of insulated terminal 1, is provided with lightning-arrest control structure 4 at the top of described lightning arrester 2, and described lightning arrester 2 links to each other with high-tension cable by lightning-arrest control structure 4.
Described lightning-arrest control structure 4 comprises the conduction torch 41 that links to each other with high-tension cable and the conduction stator 42 that is arranged on lightning arrester 2 tops.When being subject to being struck by lightning, the conduction torch of lightning-arrest control structure is to the discharge of conduction stator, and lightning arrester begins action, and voltage is introduced the earth.
Comprise that also for the adjustment structure 5 of regulating distance between conduction torch 41 and the conduction stator 42, the bottom of described insulated terminal 1 links to each other and ground connection by adjustment structure 5 with the bottom of lightning arrester 2.Adjustment structure can adopt bolt also can adopt other modes to finish.
Described lightning arrester 2 is zero-clearance zinc oxide lightning arrester.
Obviously, above-described embodiment of the present utility model only is for the utility model example clearly is described, and is not to be restriction to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all execution modes exhaustive.And these belong to apparent variation or the change that connotation of the present utility model extends out and still belong to protection range of the present utility model.
Claims (4)
1. lightning arrester, comprise insulated terminal, lightning arrester, the top of described insulated terminal is fixedly connected on the fixture of high-tension cable, the bottom ground connection of insulated terminal, described lightning arrester and insulated terminal are arranged side by side, and the top of described lightning arrester links to each other with high-tension cable, and the bottom of lightning arrester links to each other with the bottom of insulated terminal, it is characterized in that: be provided with lightning-arrest control structure at the top of described lightning arrester, described lightning arrester links to each other with high-tension cable by lightning-arrest control structure.
2. lightning arrester according to claim 1 is characterized in that: described lightning-arrest control structure comprises the conduction torch that links to each other with high-tension cable and is arranged on the conduction stator at lightning arrester top.
3. lightning arrester according to claim 2 is characterized in that: comprise that also the bottom of described insulated terminal links to each other and ground connection by adjustment structure with the bottom of lightning arrester for the adjustment structure of regulating distance between conduction torch and the conduction stator.
4. lightning arrester according to claim 3, it is characterized in that: described lightning arrester is zero-clearance zinc oxide lightning arrester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220496998 CN202771877U (en) | 2012-09-18 | 2012-09-18 | Lightning-protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220496998 CN202771877U (en) | 2012-09-18 | 2012-09-18 | Lightning-protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202771877U true CN202771877U (en) | 2013-03-06 |
Family
ID=47778430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220496998 Expired - Fee Related CN202771877U (en) | 2012-09-18 | 2012-09-18 | Lightning-protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202771877U (en) |
-
2012
- 2012-09-18 CN CN 201220496998 patent/CN202771877U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20130918 |