CN203573757U - Supporting assembly with lightning-protection function - Google Patents

Supporting assembly with lightning-protection function Download PDF

Info

Publication number
CN203573757U
CN203573757U CN201320800735.3U CN201320800735U CN203573757U CN 203573757 U CN203573757 U CN 203573757U CN 201320800735 U CN201320800735 U CN 201320800735U CN 203573757 U CN203573757 U CN 203573757U
Authority
CN
China
Prior art keywords
lightning arrester
valve block
lightning
electrode
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.)
Active
Application number
CN201320800735.3U
Other languages
Chinese (zh)
Inventor
刘健
王贺生
宋新利
李孟兴
侯力枫
李海雨
武荣伟
刘树清
季宁
王树军
孙红华
赵宇
王钰
王志龙
程大印
高丰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Nobbel Electric TECH Develop Co Ltd
State Grid Corp of China SGCC
Chengde Power Supply Co of State Grid Jibei Electric Power Co Ltd
Original Assignee
Beijing Nobbel Electric TECH Develop Co Ltd
State Grid Corp of China SGCC
Chengde Power Supply Co of State Grid Jibei Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Nobbel Electric TECH Develop Co Ltd, State Grid Corp of China SGCC, Chengde Power Supply Co of State Grid Jibei Electric Power Co Ltd filed Critical Beijing Nobbel Electric TECH Develop Co Ltd
Priority to CN201320800735.3U priority Critical patent/CN203573757U/en
Application granted granted Critical
Publication of CN203573757U publication Critical patent/CN203573757U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a supporting assembly with a lightning-protection function. The supporting assembly with the lightning-protection function comprises an insulator and a lightning arrester. One end of the insulator is connected to a tower, the other end of the insulator is connected with a wire, the lightning arrester is connected in parallel with the insulator, the lightning arrester comprises a core rod, a valve block and an insulating cylinder, a fitting at the wire side and a fitting at the tower side of the lightning arrester are pressed on the core rod, an upper electrode and a lower electrode of the lightning arrester are both sleeved on the core rod, and are both arranged in the inner cavity of the insulating cylinder, a discharging gap of the lightning arrester is defined by the upper electrode and the lower electrode, and the axis of the discharging gap portion and the axis of the valve block portion of the lightning arrester form a preset included angle. When a power transmission line works normally, the supporting assembly with the lightning-protection function plays a role in the fixation of the wire and the insulation; when an instantaneous overvoltage appears, a heavy current can be discharged, therefore, the supporting assembly is provided with functions of the lightning arrester and the high voltage line insulator at the same time; and the whole lightning arrester is in the shape of a fold line, so that the lightning arrester can be well matched with the insulator structure in height, and the lightning arrester can be installed conveniently.

Description

A kind of supporting component with lightning function
Technical field
The utility model relates to transmission line supporting component technical field, relates in particular to a kind of supporting component with lightning function.
Background technology
Transmission line consists of steel tower, wire, insulator etc.Wherein, one end of insulator hangs on steel tower, the other end is hung wire, and traditional insulator is all designed with certain insulation limit value, and under Lightning Over-voltage, insulator all flashover can occur conventionally, when overvoltage surpasses design load, insulator is destroyed and lose insulation property, thereby causes circuit single-phase earthing or tripping operation, sometimes causes the accidents such as insulator breaks, punctures, broken string, cause the power failure of circuit long period, the transmission of electricity fail safe of transmission line assembly is poor.
In order to ensure insulator, can normally work, the method adopting is at present mainly on the line that line insulator and leakage conductor is in parallel.Yet for the transmission line of same electric pressure, lightning arrester structure height is generally large than insulator, and the volume of lightning arrester, weight are larger, and this method is not only gained in weight on the line, makes line facility complicated, and extremely inconvenience is installed.
Therefore, how solving lightning arrester and be not easy to the problem of installing, is the current technical issues that need to address of those skilled in the art.
Utility model content
In view of this, the utility model provides a kind of supporting component with lightning function, for solving lightning arrester, is not easy to the problem of installing.
In order to address the above problem, the utility model provides a kind of supporting component with lightning function, comprise insulator and lightning arrester, one end of described insulator is connected in shaft tower, the other end of described insulator is connected in wire, described lightning arrester is in parallel with described insulator, described lightning arrester comprises plug, valve block and insulating cylinder, one end of described plug is connected in described shaft tower by shaft tower side gold utensil, the other end of described plug is connected in described wire by side of wire was gold utensil, described side of wire was gold utensil and described shaft tower side gold utensil are all crimped on described plug, the length of described valve block is less than the length of described plug and is set on described plug, described insulating cylinder is set in the periphery of described valve block and described plug, the outside of described insulating cylinder is arranged with sheath cluster parachute, one end of described valve block is connected in described shaft tower side gold utensil, the other end of described valve block is provided with top electrode, described side of wire was gold utensil is connected with bottom electrode, described top electrode and described bottom electrode are all set on described plug and are all positioned at described insulating cylinder inner chamber, between described top electrode and described bottom electrode, form the discharging gap of described lightning arrester, there is default angle in the axis of the discharging gap part of described lightning arrester and the axis of described valve block part.
Preferably, the length of described lightning arrester is greater than the length of described insulator.
Preferably, described valve block is the metal oxide valve block that voltage gradient is greater than 250V/mm.
Preferably, described valve block is annular valve block.
Preferably, described shaft tower side gold utensil and/or described side of wire was gold utensil are provided with the flange for being connected with described lightning arrester.
Preferably, in the gap of described valve block and described insulating cylinder, be filled with megohmite insulant.
Preferably, described megohmite insulant is silicon rubber.
Preferably, described plug is glass fibre leading-drawing rod.
A kind of supporting component with lightning function that the utility model provides, comprise insulator and lightning arrester, one end of insulator is connected in shaft tower, the other end of insulator is connected in wire, lightning arrester is in parallel with insulator, lightning arrester comprises plug, valve block and insulating cylinder, one end of plug is connected in shaft tower by shaft tower side gold utensil, the other end of plug is connected in wire by side of wire was gold utensil, side of wire was gold utensil and shaft tower side gold utensil are all crimped on plug, the length of valve block is less than the length of plug and is set on plug, insulating cylinder is set in the periphery of valve block and plug, the outside of insulating cylinder is arranged with sheath cluster parachute, one end of valve block is connected in shaft tower side gold utensil, the other end of valve block is provided with top electrode, side of wire was gold utensil is connected with bottom electrode, top electrode and bottom electrode are all set on plug and are all positioned at insulating cylinder inner chamber, between top electrode and bottom electrode, form the discharging gap of lightning arrester, there is default angle in the axis of the discharging gap part of lightning arrester and the axis of valve block part.
Top electrode in the lightning arrester that this programme provides is connected with valve block, and bottom electrode is connected with side of wire was gold utensil, makes top electrode and valve block equipotential, and bottom electrode and side of wire was gold utensil equipotential, exist discharging gap between top electrode and bottom electrode.When normal condition, top electrode and bottom electrode insulate by discharging gap, and when lightning arrester is when voltage breakdown occurs, top electrode and bottom electrode form short circuit, and then electric current enters the earth in time by shaft tower, prevents that superpotential situation from appearring in transmission line.Visible, when transmission line is normally worked, equipment plays the effect of fixing cord and insulation; When there is transient overvoltage, the effect that can play again lightning arrester releases large electric current.Therefore, this device can have the function of lightning arrester and Voltage for Insulators on HV Lines concurrently simultaneously, has saved material cost, and has more simplified transmission line equipment.And, because the axis of discharging gap part and the axis of valve block part of lightning arrester exists default angle, make the whole one-tenth of lightning arrester fold-line-shaped, so, can reduce the total height of lightning arrester, the structure height of itself and insulator is adapted, thereby be convenient to the installation of lightning arrester.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the supporting component with lightning function that Fig. 1 provides for the utility model specific embodiment scheme;
In Fig. 1:
Shaft tower-1, insulator-2, shaft tower side gold utensil-3, flange-4, plug-5, core bar jacket-6, valve block-7, insulating cylinder-8, sheath cluster parachute-9, top electrode-10, bottom electrode-11, side of wire was gold utensil-12, wire-13.
Embodiment
Core of the present utility model is to provide a kind of supporting component with lightning function, for solving lightning arrester, is not easy to the problem of installing.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1, the structural representation of the supporting component with lightning function that Fig. 1 provides for the utility model specific embodiment scheme.
In a kind of specific embodiment, this programme provides a kind of supporting component with lightning function, comprises insulator 2 and lightning arrester, and one end of insulator 2 is connected in shaft tower 1, and the other end of insulator 2 is connected in wire 13, and lightning arrester is in parallel with insulator 2.
Concrete, lightning arrester comprises plug 5, valve block 7 and insulating cylinder 8, and plug 5 is specifically as follows epoxy plug, and plug 5 outer cover are provided with core bar jacket 6, one end of plug 5 is connected in shaft tower 1 by shaft tower side gold utensil 3, and the other end of plug 5 is connected in wire 13 by side of wire was gold utensil 12.The length of valve block 7 is less than the length of plug 5 and is set on plug 5, and insulating cylinder 8 is set in the periphery of valve block 7 and plug 5, and the outside of insulating cylinder 8 is arranged with sheath cluster parachute 9.
One end of valve block 7 is connected in shaft tower side gold utensil 3, the other end of valve block 7 is provided with top electrode 10, side of wire was gold utensil 12 is connected with bottom electrode 11, top electrode 10 and bottom electrode 11 are all set on plug 5 and are all positioned at insulating cylinder 8 inner chambers, between top electrode 10 and bottom electrode 11, form the discharging gap of lightning arrester, because top electrode 10 and bottom electrode 11 are all positioned at insulating cylinder 8 inner chambers, existence due to clearance electrode, make valve block 7 not have long-term charged problem, and avoided top electrode 10 and bottom electrode 11 to suffer foreign object collision and the situation of damage, effectively extended the useful life of lightning arrester.
Preferably, the length of lightning arrester is greater than the length of insulator 2, and herein, the length of lightning arrester refers to the length of valve block 7 parts and the length sum of discharging gap part.There is default angle in the axis of discharging gap part and the axis of valve block 7 parts of lightning arrester, be that lightning arrester in this programme is made into fold-line-shaped, the angle value of concrete default angle can design according to the height of insulator 2, the height of realizing lightning arrester and insulator 2 of take adapts as standard, so locate to repeat no more.
Shaft tower side gold utensil 3 and side of wire was gold utensil 12 can be by bondings, be threaded or the mode of crimping is arranged on plug 5, and in order to strengthen bonding strength, preferred, the side of wire was gold utensil 12 in this programme and shaft tower side gold utensil 3 are all crimped on plug 5.
Concrete, valve block 7 is specifically as follows annular valve block, can be also the valve block group of multicolumn parallel form, and preferably, valve block 7 is annular valve block.Valve block 7 is endless metal oxide valve block or backing metal, preferred high gradient metal oxide valve block in the present embodiment, and its voltage gradient is preferably greater than 250V/mm.By increasing the voltage gradient of valve block 7, effectively reduced the height of lightning arrester integral body, be convenient to staff and install and transport lightning arrester.
In order to improve the sealing of lightning arrester inside, preferably, shaft tower side gold utensil 3 and/or side of wire was gold utensil 12 are provided with the flange 4 for being connected with lightning arrester.Flange 4 can with gold utensil one, can be also (now, should be noted that sealing and equipotential, and when thunderbolt being through-flow) of follow-up making.
In order to improve the service behaviour of lightning arrester, preferably, in the gap of valve block 7 and insulating cylinder 8 and in the gap of plug 5 and insulating cylinder 8, be all filled with the megohmite insulants such as nitrogen, sulphur hexafluoride or silicon rubber.Preferably, megohmite insulant is silicon rubber.
Because glass fibre leading-drawing rod has light weight, corrosion-resistant energy performance, can effectively extend the useful life of lightning arrester.Preferably, plug 5 is glass fibre leading-drawing rod.
Top electrode 10 in the lightning arrester that this programme provides is connected with valve block 7, bottom electrode 11 is connected with side of wire was gold utensil 12, making top electrode 10 and valve block 7 equipotentials,, there is discharging gap between top electrode 10 and bottom electrode 11 in bottom electrode 11 and side of wire was gold utensil 12 equipotentials.When normal condition, top electrode 10 and bottom electrode 11 insulate by discharging gap, and when lightning arrester is when voltage breakdown occurs, top electrode 10 and bottom electrode 11 form short circuit, and then electric current enters the earth in time by shaft tower 1, prevents that superpotential situation from appearring in transmission line.Visible, when transmission line is normally worked, equipment plays the effect of fixing cord 13 and insulation; When there is transient overvoltage, the effect that can play again lightning arrester releases large electric current.Therefore, this device can have the function of lightning arrester and Voltage for Insulators on HV Lines concurrently simultaneously, has saved material cost, and has more simplified transmission line equipment.And, because the axis of the discharging gap part of lightning arrester exists angle with the axis of valve block 7 parts, make the whole one-tenth of lightning arrester fold-line-shaped, so, can reduce the total height of lightning arrester, the structure height of itself and insulator is adapted, thereby be convenient to the installation of lightning arrester.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (8)

1. a supporting component with lightning function, comprise insulator (2) and lightning arrester, one end of described insulator (2) is connected in shaft tower (1), the other end of described insulator (2) is connected in wire (13), described lightning arrester is in parallel with described insulator (2), it is characterized in that, described lightning arrester comprises plug (5), valve block (7) and insulating cylinder (8), one end of described plug (5) is connected in described shaft tower (1) by shaft tower side gold utensil (3), the other end of described plug (5) is connected in described wire (13) by side of wire was gold utensil (12), described side of wire was gold utensil (12) and described shaft tower side gold utensil (3) are all crimped on described plug (5), the length of described valve block (7) is less than the length of described plug (5) and is set on described plug (5), described insulating cylinder (8) is set in the periphery of described valve block (7) and described plug (5), the outside of described insulating cylinder (8) is arranged with sheath cluster parachute (9), one end of described valve block (7) is connected in described shaft tower side gold utensil (3), the other end of described valve block (7) is provided with top electrode (10), described side of wire was gold utensil (12) is connected with bottom electrode (11), described top electrode (10) and described bottom electrode (11) are all set in described plug (5) above and are all positioned at described insulating cylinder (8) inner chamber, between described top electrode (10) and described bottom electrode (11), form the discharging gap of described lightning arrester, there is default angle in the axis of the discharging gap part of described lightning arrester and the axis of described valve block (7) part.
2. the supporting component with lightning function according to claim 1, is characterized in that, the length of described lightning arrester is greater than the length of described insulator (2).
3. the supporting component with lightning function according to claim 1, is characterized in that, described valve block (7) is greater than the metal oxide valve block of 250V/mm for voltage gradient.
4. the supporting component with lightning function according to claim 3, is characterized in that, described valve block (7) is annular valve block.
5. the supporting component with lightning function according to claim 1, is characterized in that, described shaft tower side gold utensil (3) and/or described side of wire was gold utensil (12) are provided with the flange (4) for being connected with described lightning arrester.
6. the supporting component with lightning function according to claim 1, is characterized in that, in the gap of described valve block (7) and described insulating cylinder (8), is filled with megohmite insulant.
7. the supporting component with lightning function according to claim 6, is characterized in that, described megohmite insulant is silicon rubber.
8. according to the supporting component with lightning function described in claim 1 to 7 any one, it is characterized in that, described plug (5) is glass fibre leading-drawing rod.
CN201320800735.3U 2013-12-06 2013-12-06 Supporting assembly with lightning-protection function Active CN203573757U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320800735.3U CN203573757U (en) 2013-12-06 2013-12-06 Supporting assembly with lightning-protection function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320800735.3U CN203573757U (en) 2013-12-06 2013-12-06 Supporting assembly with lightning-protection function

Publications (1)

Publication Number Publication Date
CN203573757U true CN203573757U (en) 2014-04-30

Family

ID=50541475

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320800735.3U Active CN203573757U (en) 2013-12-06 2013-12-06 Supporting assembly with lightning-protection function

Country Status (1)

Country Link
CN (1) CN203573757U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106158165A (en) * 2015-04-14 2016-11-23 盐城市雷击环保科技有限公司 A kind of Novel bunk pressure insulator
CN109215902A (en) * 2018-09-10 2019-01-15 国网湖南省电力有限公司 A kind of 500kV line thunder protection device based on arrester and insulator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106158165A (en) * 2015-04-14 2016-11-23 盐城市雷击环保科技有限公司 A kind of Novel bunk pressure insulator
CN109215902A (en) * 2018-09-10 2019-01-15 国网湖南省电力有限公司 A kind of 500kV line thunder protection device based on arrester and insulator

Similar Documents

Publication Publication Date Title
CN203573757U (en) Supporting assembly with lightning-protection function
CN108074687A (en) Outdoor composite insulation high pressure lightning protection pillar
CN205646747U (en) 800 kilovolt direct current line gap installation device
CN208335900U (en) A kind of novel elbow-type arrester
CN103928900B (en) Lightning conducter lightning protection electric eliminating holds grounding device
CN103151124B (en) Spool-type lightning insulator for low-voltage distribution line with external series spark gap
CN207265416U (en) A kind of 10kV exchanges overhead transmission line arc blowing type lightning protection device
CN204517391U (en) A kind of faulty indication protector
CN202737115U (en) Grounding structure of high voltage single core cable metal outer sheath
CN202503194U (en) Suspension type lightning arrester applicable to power transmission lines
CN204441006U (en) Simply connected insulator string lightning protection inter space arcing horn
CN204257302U (en) A kind of novel arrester with gaps formula line insulator
CN204464915U (en) Transmission line of alternation current steel tower
CN203180467U (en) Shield connection device of crosslinking cable terminal and GIS switch housing
CN203312692U (en) Shielding-type upper outgoing bus connector of 24 KV high voltage SF6 gas insulated switchgear
CN203660276U (en) Gap lightning protection device
CN202454364U (en) Composite sleeve metal oxide lightning arrester
CN205789350U (en) A kind of 35kV all insulation type polymeric metal oxide surge arrester
CN207302757U (en) Anti-thunder insulator strain clamp string
CN208337122U (en) A kind of 10kV suspended insulated guide wire with the anti-lightning strike broken string of shielded layer
CN203673906U (en) Lightning arrester
CN207052387U (en) A kind of distribution line overvoltage protection
CN105762753A (en) +/-800kV DC line arrester installing device and method
CN206225098U (en) A kind of series gap metal oxide arrester
CN207353034U (en) Pillar band electricity testing lightning arrester

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model