CN207338902U - The tortuous synchronous compression arc extinguishing lightning protection device in zigzag arc extinguishing path is equipped with shirt rim - Google Patents
The tortuous synchronous compression arc extinguishing lightning protection device in zigzag arc extinguishing path is equipped with shirt rim Download PDFInfo
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- CN207338902U CN207338902U CN201721066119.4U CN201721066119U CN207338902U CN 207338902 U CN207338902 U CN 207338902U CN 201721066119 U CN201721066119 U CN 201721066119U CN 207338902 U CN207338902 U CN 207338902U
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Abstract
The utility model discloses a kind of tortuous synchronous compression arc extinguishing lightning protection device that zigzag arc extinguishing path is equipped with shirt rim, including lightning protection device main body and arc electrode, lightning protection device body outer surface to be equipped with shirt rim；Wherein：Shirt rim is equipped with the arc extinguishing path II circumferentially arranged and formed by several arc-extinguishing tubes II；The head end of first arc-extinguishing tube II in shirt rim and the end of the arc-extinguishing tube I above shirt rim and in the lightning protection device main body of shirt rim are electrically connected, and the end of last arc-extinguishing tube II is electrically connected with the head end of the arc-extinguishing tube I below shirt rim and in the lightning protection device main body of shirt rim；The end of adjacent arc-extinguishing tube II directly touches connection or is connected by connector II two-by-two；Air-flow is equipped with II joint of arc-extinguishing tube adjacent two-by-two and sprays passage II, air-flow sprays the outer surface that passage II extends to shirt rim, i.e. the outer surface of shirt rim is equipped with air-flow ejiction opening II.The utility model is simple in structure, design is reasonable, and arc extinguishing ability is stronger, stable and reliable in work.
Description
Technical field
It the utility model is related to a kind of lightning protection device of transmission line of electricity, more particularly to a kind of go out in shirt rim equipped with zigzag
The tortuous synchronous compression arc extinguishing lightning protection device in arc path.
Background technology
Thunder and lightning is to influence an important factor for power transmission line is safe, occupies the first place of line fault tripping for a long time, is air
The natural process of activity, it is also uncontrollable so far.But we can be by analyzing normal hair accident, searching lightning stroke rule,
Strengthen taking precautions against.As in lofty mountains and steep hills or the shaft tower of summit, the transmission line of electricity in pool or near reservoir, across the mountain ridge or river
The shaft tower and be all to be subject to lightning stroke to destroy emphasis installed in the high shaft tower of ground resistance and rock column foot and power transmission line etc. that river and lake is moored.
Thunder and lightning strike can bring various forms of damages and destruction to electric power facility, and thundercloud discharge can draw in electric system
Play Lightning Over-voltage, in overhead transmission line common overvoltage have lightning stroke near overhead line by electromagnetic induction on power transmission line
Overvoltage and thunder and lightning directly impact the overvoltage produced on conducting wire.Lightning stroke causes overvoltage, and insulator, power transmission line may be made
Into damage；Lightning stroke causes insulator arc-over to discharge, and burn can be caused to come off or caused to glass insulator netted to porcelain surface
Crackle, is greatly reduced dielectric strength；Thunder and lightning is impacted on power transmission line or lightning conducter, may be caused stranded or even fracture, be made
Transmission of electricity work can not carry out.
Transmission line of electricity lightning protection always is the important content of power department Thunder Protection, and lightning fault is still influence power grid
One of an important factor for safe.Caused impulse flashover when transmission line of electricity is struck by lightning, causes line insulator flashover, then produces
Raw very big power frequency continued flow, damages insulator chain and gold utensil, causes line accident.To this power department generally using in power transmission line
Road installs line thunder protection device additional to realize protection.
Electric arc is the free gas of high temperature high conductivity, and electric arc is eliminated, abbreviation arc extinguishing.Arc extinguishing has a variety of methods,
It is that main rupturing duty is undertaken using certain gas or liquid mostly.
Lightning protection device be one kind can discharge thunder and lightning or and can discharge power system operation overvoltage energy, protection electrical equipment is exempted from
Endangered by instantaneous overvoltage, and afterflow can be blocked, avoid the electrical installation for causing system earth short circuit.
As Patent No. 201510069935 discloses a kind of countable section of arc lightning protection device, including lightning protection device main body and striking
Electrode；Arc electrode is fixedly mounted on one end of lightning protection device main body, and the other end of lightning protection device main body is fixed by connection gold utensil pacifies
On cross-arm；Lightning protection device main body is equipped with the arc extinguishing path being made of some sections of arc extinguishing passages and Z-shape circulation is arranged；Two
The junction of two adjacent arc extinguishing passages is equipped with copper billet, and each section of arc extinguishing passage is placed with two arc-extinguishing tubes, this two
Between a arc-extinguishing tube arc ball is led equipped with one；Arc-extinguishing tube at the first segment arc extinguishing feeder connection in the arc extinguishing path passes through threaded
Arc guide rod be connected with arc electrode, the arc-extinguishing tube of final stage arc extinguishing channel exit is connected by conducting wire with connection gold utensil
Connect；A counter is equipped with final stage arc extinguishing channel exit.The lightning protection device employs the vertical mode for blowing electric arc and carries out arc extinguishing.
Patent more than although plays a good role lightning protection, still some shortcomings, only vertical to blow out arc side
Formula, when electric arc is stronger, electric arc is not easy to blow out.
Utility model content
The purpose of this utility model is that in view of the deficiencies of the prior art, there is provided one kind is simple in structure, design is reasonable, goes out
Arc ability is stronger, the tortuous synchronous compression arc extinguishing lightning protection device stable and reliable in work that zigzag arc extinguishing path is equipped with shirt rim.
To achieve these goals, the utility model employs following technical scheme：
A kind of tortuous synchronous compression arc extinguishing lightning protection device that zigzag arc extinguishing path is equipped with shirt rim, including lightning protection device main body
And arc electrode, the arc electrode are fixedly mounted on one end of lightning protection device main body, the other end of lightning protection device main body passes through company
Gold utensil is connect to be fixedly mounted on cross-arm or one end of insulator chain；The lightning protection device body outer surface is equipped with shirt rim；Wherein：Institute
The lightning protection device main body stated is internally provided with the arc extinguishing path I arranged and formed from top to bottom by several arc-extinguishing tubes I；The shirt rim
The arc extinguishing path II formed equipped with the arrangement that is circumferentially serrated by several arc-extinguishing tubes II；According to going out near arc electrode
Arc pipe is the arc-extinguishing tube in lightning protection device main body or the arc-extinguishing tube in shirt rim, can there is following two connection modes（I.e. in this reality
The mode that is linked in sequence successively from top to bottom is followed with the connection of new middle arc-extinguishing tube）, a. is when anti-above the shirt rim of the superiors
When being still provided with arc-extinguishing tube in thunder device main body, the head end and arc electrode of first arc-extinguishing tube I in the lightning protection device main body
Electrical connection, end and the connection gold utensil of last arc-extinguishing tube I are electrically connected；First arc-extinguishing tube II in the shirt rim
Head end and shirt rim above and the end of arc-extinguishing tube I in the lightning protection device main body of shirt rim be electrically connected, last
The end of arc-extinguishing tube II and the head end of the arc-extinguishing tube I below shirt rim and in the lightning protection device main body of shirt rim are electrically connected；
When being b. not provided with arc-extinguishing tube in the lightning protection device main body above the shirt rim in the superiors, first in the shirt rim of the superiors goes out
The head end of arc pipe II is electrically connected with arc electrode, and the end of last arc-extinguishing tube II is with shirt rim lower section and near shirt rim
Lightning protection device main body in arc-extinguishing tube I head end electrical connection；The end of last arc-extinguishing tube I in the lightning protection device main body
End is electrically connected with connection gold utensil；Remaining arc-extinguishing tube I, arc-extinguishing tube II（The needs being namely related to except above description with not
Outside same device connection）Connection mode be respectively：The end of adjacent arc-extinguishing tube I is directly touched connection or is passed through two-by-two
Connector I is connected, and the end of adjacent arc-extinguishing tube II directly touches connection or is connected by connector II two-by-two；Two
Two adjacent I joints of arc-extinguishing tube are equipped with air-flow and spray passage I, and air-flow sprays the outer surface that passage I extends to lightning protection device main body,
I.e. the outer surface of lightning protection device main body is equipped with air-flow ejiction opening I；It is equipped with air-flow in II joint of arc-extinguishing tube adjacent two-by-two and sprays and leads to
Road II, air-flow spray the outer surface that passage II extends to shirt rim, i.e. the outer surface of shirt rim is equipped with air-flow ejiction opening II.
The tortuous synchronous compression arc extinguishing lightning protection device of the utility model, arc-extinguishing tube is not only equipped with lightning protection device main body, is made
It possesses basic arc-suppression function, is provided with arc-extinguishing tube also in the shirt rim of lightning protection device body outer surface, and due to shirt rim diameter compared with
Greatly, arc-extinguishing tube is circumferentially to arrange again, and greater number of arc-extinguishing tube can be accommodated so in same space, takes full advantage of lightning protection
The physical space of device, and greatly improve the arc extinguishing ability of lightning protection device.
As the further explanation of the utility model, the arc-extinguishing tube I in the arc extinguishing path I is in the shape of a spiral or in Z
Shape circulation arrangement.Using helical form or Z-shaped arrangement arc-extinguishing tube I, it can allow the air-flow ejiction opening I outside lightning protection device main body will not
That leans on is too near, effectively avoids electric arc direct flashover directly outside lightning protection device main body.
As the further explanation of the utility model, the arc-extinguishing tube I and arc-extinguishing tube II go out using a word is through-type
Arc pipe, the through-type arc-extinguishing tube of a word be internally provided with one lead arc ball and two compression cold wall pipes；The arc ball of leading is placed in
Between two compression cold wall pipes；Further respectively had at two ports of the through-type arc-extinguishing tube of one word and lead arc ring.
The connector I and connector II be respectively adopted copper sheet either electric wire either three-way pipe or copper sheet, electric wire,
It is used in combination two-by-two in three-way pipe, or copper sheet, electric wire, three-way pipe have use.
When connector I is using three-way pipe, the both ends of three-way pipe are respectively equipped with one and lead arc electrode；Described leads arc electrode
One end stretch into three-way pipe, the end of the other end and arc-extinguishing tube I directly connects.Described one end for leading arc electrode is circle
Column, is stretched into three-way pipe, and the other end is annular shape, and directly the end with arc-extinguishing tube I connects.In the inside of three-way pipe, two
A lead is equipped with the air gap between arc electrode, and air gap length is precisely the diameter of the radial tubes of three-way pipe.
When connector II is using three-way pipe, the both ends of three-way pipe are respectively equipped with one and lead arc electrode；Described leads arc electricity
One end of pole is stretched into three-way pipe, and the end of the other end and arc-extinguishing tube II directly connects.Described one end for leading arc electrode
For cylinder, stretch into three-way pipe, the other end is annular shape, and directly the end with arc-extinguishing tube II connects.In three-way pipe
Portion, leads for two and is equipped with the air gap between arc electrode, and air gap length is precisely the diameter of the radial tubes of three-way pipe.
It can be seen from the above description that when arc-extinguishing tube I between any two or arc-extinguishing tube II between any two using three-way pipe connect
When connecing, the connection structure mode that they are used is the same；Therefore, utility model people to the three-way pipe in above-mentioned, lead arc electrode etc. zero
The title of component is treated with a certain discrimination.It is attached using three-way pipe, multiple outlet breakpoints can be increased, is realized to indulge and blow horizontal blow
Arc quenching method cooperates, and electric arc is easier extinguishing and not resume combustion.
In the utility model, the bottom of above-described lightning protection device main body is built-in with nut I；The connection gold utensil
Outer surface is equipped with external screw thread, and is fixed piece and the progress screw thread of nut I company of lightning protection device body interior using external nut
Connect.Fixinig plate is placed between nut, it is ensured that when lightning protection device acts, electric arc walking path is nut outer surfaces, rather than
Internal thread, prevents internal thread damage from causing lightning protection device to drop.Using thread connecting mode, it is ensured that lightning protection device consolidates
Connection, still will not rotate or misplace under the severe natural calamity weather such as typhoon.Lightning protection device main body uses hydrophobicity material
Material is made.Meanwhile the outer shape of lightning protection device main body can make insulator shape.The lightning protection device main body of hydrophobicity material causes
Even if there are the entrance of the media such as water in each entrance and exit of the passage inside lightning protection device, still can be with action message.
In the utility model, arc electrode is graphite electrode or metal electrode；It is copper electrodes to lead arc electrode；Compress cold
Wall pipe is thin ceramic tubes；It is graphite bead or copper bead to lead arc ball；It is graphite annulus or becket to lead arc ring.
The operation principle of the utility model：
First stage（Compress temperature-rise effect）
When being struck by lightning, electric arc can be drawn into arc extinguishing path by arc electrode, on the one hand, arc extinguishing path can be by electric arc
Elongate, on the other hand, arc-extinguishing tube is made of heat-barrier material, and electric arc is formed in very short time with the cold passage inner wall of arc-extinguishing tube
Come into contact in a large area, arc column periphery cools down immediately, and arc column radius reduces.The reduction of arc column radius both can be outside intake line a large amount of gas
Body can increase self-resistance again, and then cause arc column central temperature to steeply rise.
Second stage（Temperature rise directional explosion arc extinguishing effect）
Since heat transfer temperature can be raised quickly, volume will increase rapidly the gas being inhaled into, and be pressed be subject to inner-walls of duct
Power, radial direction self-expanding air-flow develop into axial self-expanding air-flow, this axial direction self-expanding air-flow can by the fragile electric arc of elongation from
The mediad pipe ends of arc-extinguishing tube are longitudinally blown out, and at the port of arc-extinguishing tube, a part of electric arc is developed to from extreme squeezed state
Free state, the transverse pipe through leading arc electrode eject pipeline along arc motion direction（Vertical to blow, electric arc is elongated longitudinally, weakens）,
Some electric arc is transformed into three-way pipe, is sprayed in the radial direction pipe port of three-way pipe with the direction vertical with electric arc（It is horizontal to blow,
Electric arc is laterally blocked, weakened）.By whole arc extinguishing path it is horizontal blow and indulge blow, electric arc by it is constantly longitudinally elongated, laterally
Block, the energy for concentrating on arc column axle center originally is discharged and developed to outside pipeline with the situation sprayed, the electric arc in arc extinguishing path
Energy is gradually reduced, and is finally grounded in arc extinguishing path ends.
Phase III（Electric arc self-gravitation effect, line mutual-ground capacitor suppress arc reignition principle）
The little energy of initial arc storage, electric arc is once truncated in second stage there are micro-fractures, this fracture meeting
Full gap is extended to rapidly, and the avalanche effect for electric arc opening occur, arc plasma, which is known from experience, to be buried in oblivion rapidly, is converted into insulation shape
State；
After generation fracture, compression pipe arc extinguishing destroys thunder and lightning arc, capacitance voltage equivalent to being connected in parallel on electric arc fracture, with
Cause power frequency continued flow there is no path to flow through insulator, can only be discharged by direct-to-ground capacitance, and capacitance voltage cannot be mutated, so electric arc
Power-frequency voltage from start it is almost nil slowly rise, so there is no the possibility that micro-fractures are restriked by power-frequency voltage flashover.
The advantages of the utility model：
1. simple in structure, design is rationally, superpower arc extinguishing ability, work is more reliable and more stable.Not only in lightning protection device main body
Equipped with arc-extinguishing tube, it is possessed basic arc-suppression function, be provided with arc-extinguishing tube also in the shirt rim of lightning protection device body outer surface, and by
It is relatively large in diameter in shirt rim, arc-extinguishing tube is circumferentially to arrange again, and greater number of arc-extinguishing tube can be accommodated so in same space, is filled
Divide the physical space that make use of lightning protection device, and greatly improve the arc extinguishing ability of lightning protection device.
2. full gaseous state passage.Other arc quenching principles are required for arc quenching material, there is spillage of material；For example, baking arc extinguishing passes through
Toast gas exhausted material and produce air-flow arc extinguishing, gas exhausted material needs to be lost.And the arc extinguishing energy source of this arc quenching principle is impact electric arc,
By certain structure, using impacting the energy of electric arc itself come arc extinguishing, it is not necessary to other materials, noenergy loss.
3. arc shape is handled.The emphasis of other arc quenching methods is all blocking arc energy, and this method carries out electric arc
The processing mode for elongating deformation is unprecedented, except the elongating arc mode being mentioned herein, other places to arc shape
Reason also has the possibility for reaching arc quenching effect.Designed by the flex point of arc channel, compression thunder and lightning arc, produce the multiple longitudinal directions of electric arc and
Horizontal blocks crushing point mechanism, forms thunder and lightning arc make-before-break from going out, effectively blocks and build arc passage, arc suppression is built in realization.
4. arc extinguishing is synchronous with building arc.Other arc quenching methods are existed using impact electric arc triggering, the time point of thorough arc extinguishing mostly
During power frequency continued flow zero crossing, and the appearance of the arc extinguishing actuation time of this arc quenching principle and electric arc passes through rapidity with synchronism
Electric arc most fragile phase weakness arc extinguishing is caught, building arc in thunder and lightning, also firm impact arcing phase does not carry out arc extinguishing, makes power current
There is no path, arc quenching effect is good.
It is 5. safe and reliable.The lightning protection inter space device of the utility model is fixed on cross-arm by connection gold utensil, and connects gold
Tool is threadedly coupled with being fixed piece using external nut between lightning protection device main body with the nut I of lightning protection device body interior,
When can ensure lightning protection device action, electric arc walking path is nut outer surfaces, rather than internal thread, prevents internal thread from damaging
Lightning protection device is caused to drop.Using thread connecting mode, it is ensured that the firm connection of lightning protection device, it is severe natural even in typhoon etc.
Still it will not rotate or misplace under hazard weather.
Brief description of the drawings
Fig. 1 is the structure diagram of one embodiment of the utility model.
Fig. 2 is the structure diagram of shirt rim cross section in Fig. 1.
Fig. 3 is the structure diagram of lightning protection device body cross-section in Fig. 1.
Fig. 4 is the structure diagram of another embodiment of the utility model.
Reference numeral：
1- lightning protection device main bodys, 2- shirt rims, 3- air-flows ejiction opening I, 4- air-flows ejiction opening II, 5- arc electrodes, 6- connections gold
Tool, 7- arc-extinguishing tubes II, 8- connectors II, 9- arc-extinguishing tubes I, 10- connectors I.
Embodiment
The utility model is further illustrated with reference to the accompanying drawings and examples.
Embodiment 1：
As shown in Figs. 1-3, a kind of tortuous synchronous compression arc extinguishing lightning protection device that zigzag arc extinguishing path is equipped with shirt rim, bag
Lightning protection device main body 1 and arc electrode 5 are included, the arc electrode 5 is fixedly mounted on one end of lightning protection device main body 1, lightning protection device master
The other end of body 1 is fixedly mounted on by connection gold utensil 6 on cross-arm or one end of insulator chain；Outside the lightning protection device main body 1
Surface is equipped with shirt rim 2；Wherein：The lightning protection device main body 1 is internally provided with by the arrangement group from top to bottom of several arc-extinguishing tubes I 9
Into arc extinguishing path I；The shirt rim 2 is equipped with the arc extinguishing road that arrangement forms that is circumferentially serrated by several arc-extinguishing tubes II 7
Footpath II；
The head end of first arc-extinguishing tube I in the lightning protection device main body 1 is electrically connected with arc electrode 5, last
The end of arc-extinguishing tube I is electrically connected with connection gold utensil 6；On the head end of first arc-extinguishing tube II in the shirt rim 2 and shirt rim 2
Side and the electrical connection of the end of the arc-extinguishing tube I in the lightning protection device main body 1 of shirt rim 2, the end of last arc-extinguishing tube II
The head end at end and the lower section of shirt rim 2 and the arc-extinguishing tube I in the lightning protection device main body 1 of shirt rim 2 is electrically connected；Remaining arc extinguishing
Pipe I, the connection mode of arc-extinguishing tube II are respectively：The end of adjacent arc-extinguishing tube I directly touches connection or passes through connection two-by-two
Part I 10 is connected, and the end of adjacent arc-extinguishing tube II directly touches connection or is connected by connector II 8 two-by-two；
Air-flow is equipped with I joint of arc-extinguishing tube adjacent two-by-two and sprays passage I, air-flow sprays passage I and extends to lightning protection device
The outer surface of main body 1, the i.e. outer surface of lightning protection device main body 1 are equipped with air-flow ejiction opening I 3；Connect in arc-extinguishing tube II adjacent two-by-two
Place is equipped with air-flow and sprays passage II, and air-flow sprays the outer surface that passage II extends to shirt rim 2, i.e. the outer surface of shirt rim 2 is equipped with gas
Flow ejiction opening II 4.
Arc-extinguishing tube I 9 in the arc extinguishing path I is arranged in the shape of a spiral.
The arc-extinguishing tube I 9 and arc-extinguishing tube II 7 is adopted as the through-type arc-extinguishing tube of a word, the through-type arc-extinguishing tube of a word
It is internally provided with one and leads arc ball and two compression cold wall pipes；The arc ball of leading is placed between two compression cold wall pipes；One word
Further respectively had at two ports of through-type arc-extinguishing tube and lead arc ring.The connector I 10 and connector II 8 are using electricity
Line.
Embodiment 2：
A kind of tortuous synchronous compression arc extinguishing lightning protection device that zigzag arc extinguishing path is equipped with shirt rim, including lightning protection device main body
1 and arc electrode 5, the arc electrode 5 be fixedly mounted on one end of lightning protection device main body 1, the other end of lightning protection device main body 1 leads to
Connection gold utensil 6 is crossed to be fixedly mounted on cross-arm or one end of insulator chain；1 outer surface of lightning protection device main body is equipped with shirt rim 2；
Wherein：The lightning protection device main body 1 is internally provided with the arc extinguishing path I arranged and formed from top to bottom by several arc-extinguishing tubes I 9；
The shirt rim 2 is equipped with the arc extinguishing path II that arrangement forms that is circumferentially serrated by several arc-extinguishing tubes II 7；
The head end of first arc-extinguishing tube I in the lightning protection device main body 1 is electrically connected with arc electrode 5, last
The end of arc-extinguishing tube I is electrically connected with connection gold utensil 6；On the head end of first arc-extinguishing tube II in the shirt rim 2 and shirt rim 2
Side and the electrical connection of the end of the arc-extinguishing tube I in the lightning protection device main body 1 of shirt rim 2, the end of last arc-extinguishing tube II
The head end at end and the lower section of shirt rim 2 and the arc-extinguishing tube I in the lightning protection device main body 1 of shirt rim 2 is electrically connected；Remaining arc extinguishing
Pipe I, the connection mode of arc-extinguishing tube II are respectively：The end of adjacent arc-extinguishing tube I directly touches connection or passes through connection two-by-two
Part I 10 is connected, and the end of adjacent arc-extinguishing tube II directly touches connection or is connected by connector II 8 two-by-two；
Air-flow is equipped with I joint of arc-extinguishing tube adjacent two-by-two and sprays passage I, air-flow sprays passage I and extends to lightning protection device
The outer surface of main body 1, the i.e. outer surface of lightning protection device main body 1 are equipped with air-flow ejiction opening I 3；Connect in arc-extinguishing tube II adjacent two-by-two
Place is equipped with air-flow and sprays passage II, and air-flow sprays the outer surface that passage II extends to shirt rim 2, i.e. the outer surface of shirt rim 2 is equipped with gas
Flow ejiction opening II 4.
As shown in figure 4, the Z-shape circulation arrangement of arc-extinguishing tube I 9 in the arc extinguishing path I.The arc-extinguishing tube I 9 and go out
Arc pipe II 7 uses the through-type arc-extinguishing tube of a word, and the through-type arc-extinguishing tube of a word is internally provided with one and leads arc ball and two compressions
Cold wall pipe；The arc ball of leading is placed between two compression cold wall pipes；Also divide at two ports of the through-type arc-extinguishing tube of one word
Arc ring She You not led.The connector I 10 uses copper sheet.The connector II 8 uses three-way pipe.The both ends of three-way pipe point
Not She You one lead arc electrode；Described one end for leading arc electrode is stretched into three-way pipe, and the end of the other end and arc-extinguishing tube II is straight
Connect.Described one end for leading arc electrode is cylinder, is stretched into three-way pipe, and the other end is annular shape, directly and arc extinguishing
The end of pipe II connects.In the inside of three-way pipe, two are led the air gap equipped with 3mm between arc electrode, and air
Gap length is precisely the diameter of the radial tubes of three-way pipe.
Embodiment 3：
A kind of tortuous synchronous compression arc extinguishing lightning protection device that zigzag arc extinguishing path is equipped with shirt rim, including lightning protection device main body
1 and arc electrode 5, the arc electrode 5 be fixedly mounted on one end of lightning protection device main body 1, the other end of lightning protection device main body 1 leads to
Connection gold utensil 6 is crossed to be fixedly mounted on cross-arm or one end of insulator chain；1 outer surface of lightning protection device main body is equipped with shirt rim 2；
Wherein：The lightning protection device main body 1 is internally provided with the arc extinguishing path I arranged and formed from top to bottom by several arc-extinguishing tubes I 9；
The shirt rim 2 is equipped with the arc extinguishing path II that arrangement forms that is circumferentially serrated by several arc-extinguishing tubes II 7；
The head end of first arc-extinguishing tube I in the lightning protection device main body 1 is electrically connected with arc electrode 5, last
The end of arc-extinguishing tube I is electrically connected with connection gold utensil 6；On the head end of first arc-extinguishing tube II in the shirt rim 2 and shirt rim 2
Side and the electrical connection of the end of the arc-extinguishing tube I in the lightning protection device main body 1 of shirt rim 2, the end of last arc-extinguishing tube II
The head end at end and the lower section of shirt rim 2 and the arc-extinguishing tube I in the lightning protection device main body 1 of shirt rim 2 is electrically connected；Remaining arc extinguishing
Pipe I, the connection mode of arc-extinguishing tube II are respectively：The end of adjacent arc-extinguishing tube I directly touches connection or passes through connection two-by-two
Part I 10 is connected, and the end of adjacent arc-extinguishing tube II directly touches connection or is connected by connector II 8 two-by-two；
Air-flow is equipped with I joint of arc-extinguishing tube adjacent two-by-two and sprays passage I, air-flow sprays passage I and extends to lightning protection device
The outer surface of main body 1, the i.e. outer surface of lightning protection device main body 1 are equipped with air-flow ejiction opening I 3；Connect in arc-extinguishing tube II adjacent two-by-two
Place is equipped with air-flow and sprays passage II, and air-flow sprays the outer surface that passage II extends to shirt rim 2, i.e. the outer surface of shirt rim 2 is equipped with gas
Flow ejiction opening II 4.
Arc-extinguishing tube I 9 in the arc extinguishing path I is arranged in the shape of a spiral.The arc-extinguishing tube I 9 and arc-extinguishing tube II 7 is adopted
With the through-type arc-extinguishing tube of a word, the through-type arc-extinguishing tube of a word is internally provided with one and leads arc ball and two compression cold wall pipes；It is described
Lead arc ball be placed in two compression cold wall pipes between；Further respectively had at two ports of the through-type arc-extinguishing tube of one word and lead arc
Ring.The connector I 10 uses three-way pipe.The both ends of three-way pipe are respectively equipped with one and lead arc electrode；Described leads arc electrode
One end stretch into three-way pipe, the end of the other end and arc-extinguishing tube I directly connects.Described one end for leading arc electrode is circle
Column, is stretched into three-way pipe, and the other end is annular shape, and directly the end with arc-extinguishing tube I connects.In the inside of three-way pipe, two
A the air gap equipped with 3mm between leading arc electrode, and air gap length is precisely the diameter of the radial tubes of three-way pipe.
The connector II 8 uses copper sheet.
Embodiment 4：
A kind of tortuous synchronous compression arc extinguishing lightning protection device that zigzag arc extinguishing path is equipped with shirt rim, including lightning protection device main body
1 and arc electrode 5, the arc electrode 5 be fixedly mounted on one end of lightning protection device main body 1, the other end of lightning protection device main body 1 leads to
Connection gold utensil 6 is crossed to be fixedly mounted on cross-arm or one end of insulator chain；1 outer surface of lightning protection device main body is equipped with shirt rim 2；
Wherein：The lightning protection device main body 1 is internally provided with the arc extinguishing path I arranged and formed from top to bottom by several arc-extinguishing tubes I 9；
The shirt rim 2 is equipped with the arc extinguishing path II that arrangement forms that is circumferentially serrated by several arc-extinguishing tubes II 7；
The head end of first arc-extinguishing tube I in the lightning protection device main body 1 is electrically connected with arc electrode 5, last
The end of arc-extinguishing tube I is electrically connected with connection gold utensil 6；On the head end of first arc-extinguishing tube II in the shirt rim 2 and shirt rim 2
Side and the electrical connection of the end of the arc-extinguishing tube I in the lightning protection device main body 1 of shirt rim 2, the end of last arc-extinguishing tube II
The head end at end and the lower section of shirt rim 2 and the arc-extinguishing tube I in the lightning protection device main body 1 of shirt rim 2 is electrically connected；Remaining arc extinguishing
Pipe I, the connection mode of arc-extinguishing tube II are respectively：The end of adjacent arc-extinguishing tube I directly touches connection or passes through connection two-by-two
Part I 10 is connected, and the end of adjacent arc-extinguishing tube II directly touches connection or is connected by connector II 8 two-by-two；
Air-flow is equipped with I joint of arc-extinguishing tube adjacent two-by-two and sprays passage I, air-flow sprays passage I and extends to lightning protection device
The outer surface of main body 1, the i.e. outer surface of lightning protection device main body 1 are equipped with air-flow ejiction opening I 3；Connect in arc-extinguishing tube II adjacent two-by-two
Place is equipped with air-flow and sprays passage II, and air-flow sprays the outer surface that passage II extends to shirt rim 2, i.e. the outer surface of shirt rim 2 is equipped with gas
Flow ejiction opening II 4.
The Z-shape circulation arrangement of arc-extinguishing tube I 9 in the arc extinguishing path I.The arc-extinguishing tube I 9 and arc-extinguishing tube II 7 is equal
Using the through-type arc-extinguishing tube of a word, the through-type arc-extinguishing tube of a word be internally provided with one lead arc ball and two compression cold wall pipes；Institute
The arc ball of leading stated is placed between two compression cold wall pipes；Further respectively had at two ports of the through-type arc-extinguishing tube of one word and lead arc
Ring.The connector I 10 uses three-way pipe.The both ends of three-way pipe are respectively equipped with one and lead arc electrode；Described leads arc electrode
One end stretch into three-way pipe, the end of the other end and arc-extinguishing tube I directly connects.Described one end for leading arc electrode is circle
Column, is stretched into three-way pipe, and the other end is annular shape, and directly the end with arc-extinguishing tube I connects.In the inside of three-way pipe, two
A the air gap equipped with 3mm between leading arc electrode, and air gap length is precisely the diameter of the radial tubes of three-way pipe.
The connector II 8 uses three-way pipe.The both ends of three-way pipe are respectively equipped with one and lead arc electrode；Described leads arc
One end of electrode is stretched into three-way pipe, and the end of the other end and arc-extinguishing tube II directly connects.Described lead arc electrode one
Hold as cylinder, stretch into three-way pipe, the other end is annular shape, and directly the end with arc-extinguishing tube II connects.In three-way pipe
Inside, two are led the air gap equipped with 3mm between arc electrode, and air gap length is precisely the radial tubes of three-way pipe
Diameter.
Claims (8)
1. a kind of tortuous synchronous compression arc extinguishing lightning protection device that zigzag arc extinguishing path is equipped with shirt rim, including lightning protection device main body
(1) and arc electrode (5), the arc electrode (5) are fixedly mounted on one end of lightning protection device main body (1), lightning protection device main body (1)
The other end be fixedly mounted on by connection gold utensil (6) on cross-arm or one end of insulator chain；The lightning protection device main body (1) is outside
Surface is equipped with shirt rim (2)；It is characterized in that：
The lightning protection device main body (1) is internally provided with the arc extinguishing path arranged and formed from top to bottom by several arc-extinguishing tubes I (9)
Ⅰ；
The shirt rim (2) is equipped with the arc extinguishing path II that arrangement forms that is circumferentially serrated by several arc-extinguishing tubes II (7)；
When being a. still provided with arc-extinguishing tube in the lightning protection device main body (1) above the shirt rim in the superiors, the lightning protection device main body
(1) head end of first arc-extinguishing tube I in is electrically connected with arc electrode (5), and the end of last arc-extinguishing tube I is with being connected gold
Has (6) electrical connection；The head end of first arc-extinguishing tube II in the shirt rim (2) is with shirt rim (2) top and near skirt
The end electrical connection of arc-extinguishing tube I in the lightning protection device main body (1) on side (2), end and the shirt rim (2) of last arc-extinguishing tube II
The head end of lower section and the arc-extinguishing tube I in the lightning protection device main body (1) of shirt rim (2) is electrically connected；
When being b. not provided with arc-extinguishing tube in the lightning protection device main body (1) above the shirt rim in the superiors, in the shirt rim of the superiors
The head end of one arc-extinguishing tube II is electrically connected with arc electrode (5), below the end and shirt rim (2) of last arc-extinguishing tube II simultaneously
And the head end electrical connection of the arc-extinguishing tube I in the lightning protection device main body (1) of shirt rim (2)；In the lightning protection device main body (1)
End and the connection gold utensil (6) of last arc-extinguishing tube I be electrically connected；
Remaining arc-extinguishing tube I, the connection mode of arc-extinguishing tube II are respectively：The end directly company of touching of adjacent arc-extinguishing tube I two-by-two
Directly touch connection or pass through connection in the end for connecing the arc-extinguishing tube II adjacent two-by-two that is either connected by connector I (10)
Part II (8) is connected；
Air-flow is equipped with I joint of arc-extinguishing tube adjacent two-by-two and sprays passage I, air-flow sprays passage I and extends to lightning protection device main body
(1) outer surface, the i.e. outer surface of lightning protection device main body (1) are equipped with air-flow ejiction opening I (3)；
Air-flow is equipped with II joint of arc-extinguishing tube adjacent two-by-two and sprays passage II, air-flow sprays passage II and extends to shirt rim (2)
Outer surface, i.e. the outer surface of shirt rim (2) is equipped with air-flow ejiction opening II (4)；
The arc-extinguishing tube I (9) and arc-extinguishing tube II (7) use the through-type arc-extinguishing tube of a word, the through-type arc-extinguishing tube of a word it is interior
Arc ball and two compression cold wall pipes are led equipped with one in portion；The arc ball of leading is placed between two compression cold wall pipes；One word is straight
Further respectively had at two ports of flow-through arc-extinguishing tube and lead arc ring.
2. the tortuous synchronous compression arc extinguishing lightning protection device according to claim 1 that zigzag arc extinguishing path is equipped with shirt rim,
It is characterized in that：Arc-extinguishing tube I (9) in the arc extinguishing path I is in the shape of a spiral or Z-shape circulation is arranged.
3. the tortuous synchronous compression arc extinguishing lightning protection device according to claim 1 that zigzag arc extinguishing path is equipped with shirt rim,
It is characterized in that：The connector I (10) and connector II (8) be respectively adopted copper sheet either electric wire either three-way pipe or
It is used in combination two-by-two in copper sheet, electric wire, three-way pipe, or copper sheet, electric wire, three-way pipe have use.
4. the tortuous synchronous compression arc extinguishing lightning protection device according to claim 3 that zigzag arc extinguishing path is equipped with shirt rim,
It is characterized in that：When connector I (10) uses three-way pipe, the both ends of three-way pipe are respectively equipped with one and lead arc electrode；Described
The one end for leading arc electrode is stretched into three-way pipe, and the end of the other end and arc-extinguishing tube I directly connects.
5. the tortuous synchronous compression arc extinguishing lightning protection device according to claim 4 that zigzag arc extinguishing path is equipped with shirt rim,
It is characterized in that：Described one end for leading arc electrode is cylinder, is stretched into three-way pipe, and the other end is annular shape, directly and arc extinguishing
The end of pipe I connects.
6. the tortuous synchronous compression arc extinguishing lightning protection device according to claim 5 that zigzag arc extinguishing path is equipped with shirt rim,
It is characterized in that：In the inside of three-way pipe, lead for two and be equipped with the air gap between arc electrode, and air gap length is precisely
The diameter of the radial tubes of three-way pipe.
7. the tortuous synchronous compression arc extinguishing lightning protection device according to claim 3 that zigzag arc extinguishing path is equipped with shirt rim,
It is characterized in that：When connector II (8) uses three-way pipe, the both ends of three-way pipe are respectively equipped with one and lead arc electrode；Described
The one end for leading arc electrode is stretched into three-way pipe, and the end of the other end and arc-extinguishing tube II directly connects.
8. the tortuous synchronous compression arc extinguishing lightning protection device according to claim 7 that zigzag arc extinguishing path is equipped with shirt rim,
It is characterized in that：Described one end for leading arc electrode is cylinder, is stretched into three-way pipe, and the other end is annular shape, directly and arc extinguishing
The end of pipe II connects；In the inside of three-way pipe, lead for two and the air gap is equipped between arc electrode, and the air gap is grown
Degree is precisely the diameter of the radial tubes of three-way pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721066119.4U CN207338902U (en) | 2017-08-24 | 2017-08-24 | The tortuous synchronous compression arc extinguishing lightning protection device in zigzag arc extinguishing path is equipped with shirt rim |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721066119.4U CN207338902U (en) | 2017-08-24 | 2017-08-24 | The tortuous synchronous compression arc extinguishing lightning protection device in zigzag arc extinguishing path is equipped with shirt rim |
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| Publication Number | Publication Date |
|---|---|
| CN207338902U true CN207338902U (en) | 2018-05-08 |
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ID=62373657
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721066119.4U Active CN207338902U (en) | 2017-08-24 | 2017-08-24 | The tortuous synchronous compression arc extinguishing lightning protection device in zigzag arc extinguishing path is equipped with shirt rim |
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| CN (1) | CN207338902U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834915A (en) * | 2019-04-16 | 2020-10-27 | 段小嬿 | Method and system for back-flushing extinguishing arc plasma |
-
2017
- 2017-08-24 CN CN201721066119.4U patent/CN207338902U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834915A (en) * | 2019-04-16 | 2020-10-27 | 段小嬿 | Method and system for back-flushing extinguishing arc plasma |
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