CN107508144A - Longitudinal both sides distribution coulomb force compresses draw thunder arc extinguishing ball - Google Patents
Longitudinal both sides distribution coulomb force compresses draw thunder arc extinguishing ball Download PDFInfo
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- CN107508144A CN107508144A CN201710809325.8A CN201710809325A CN107508144A CN 107508144 A CN107508144 A CN 107508144A CN 201710809325 A CN201710809325 A CN 201710809325A CN 107508144 A CN107508144 A CN 107508144A
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- arc
- arc extinguishing
- ball
- extinguishing
- hemisphere
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T1/00—Details of spark gaps
- H01T1/02—Means for extinguishing arc
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Abstract
The present invention discloses a kind of longitudinal both sides distribution coulomb force compresses and draws thunder arc extinguishing ball, including two arc extinguishing hemisphere and one draw thunder ball；The center of arc extinguishing hemisphere is provided with the groove adaptable with drawing thunder ball size；The arc extinguishing path being made up of some sections of arc extinguishing passages is provided with the body interior of arc extinguishing hemisphere, arc-extinguishing tube is placed with each section of arc extinguishing passage, and the end of arc-extinguishing tube adjacent two-by-two is connected；Air-flow is provided with arc extinguishing passage joint adjacent two-by-two and sprays passage, air-flow sprays the outer surface that passage extends to arc extinguishing hemisphere；An arc electrode is provided with the top of the outer surface of ball of arc extinguishing half；In arc extinguishing path, the head end of first arc-extinguishing tube is connected with arc electrode, and the end of last arc-extinguishing tube is connected with drawing thunder ball.The present invention is simple and reliable for structure, attracts lightning leader, reduces because of the transmission line of electricity shielding accident that thunder and lightning intercepts failure and triggers；Lightning current is compressed to elongate and draws and attenuates and sprays, by arc extinction, reduces and strikes back probability caused by the lightning conducter that is struck by lightning.
Description
Technical field
The present invention relates to a kind of lightning-arrest arc-control device, and in particular to a kind of longitudinal both sides distribution coulomb force compresses draw thunder
Arc extinguishing ball.
Background technology
Currently in order to protect the wire of transmission line of electricity is few to be struck by lightning, generally using erection lightning conducter, China's electric power row
Industry standard DL/T620-1997《The overvoltage protection and Insulation Coordination of alternating-current electric device》The 6.1.2 articles regulation：110kV is along complete
Coil holder sets lightning conducter, in the special strong area in mountain area and lightening activity, preferably along completely erection lightning conducter.The structure of the lightning conducter is
An exposed steel strand wires are installed on the top of left and right transmission tower above three-phase power transmission wire, and the steel strand wires be both lightning-arrest
Line, the lightning conducter are turned on by the transmission tower and the earth of both sides.But thunder scarce capacity is drawn due to existing lightning conducter, transmitted electricity
After circuit is using every conventional lightning protection measures, the damage to crops caused by thunder tripping operation of transmission line of electricity or a lot, external and China Fujian, Guangdong, lake
The ground such as north, northeast, North China transmission line of electricity tripping times statistical result, in tripping times caused by a variety of causes, damage to crops caused by thunder tripping operation
Number accounts for the first place of total tripping times.Such as：《High-Voltage Technology》1st phase in 2008, the operation of Yi Hui ' China transmission line of electricity are existing
The 2002-2004 nationwide integrated power grid fault statistics tables that shape and the lightning protection text of ' one provide, the line tripping caused by 9 kinds of reasons
In total degree 231 times, damage to crops caused by thunder trips 129 times, accounts for the 55.8% of total degree, ranks first；And for example 2005-2007 Beijing electric power is public
Tripping operation 442 times, wherein lightning stroke trip 198 times occur altogether for department's more than 35kV overhead transmission lines, account for the 44.8% of total degree, also occupy
It is the first.Transmission line of electricity operating statistic result shows：Trip-out rate causes with counterattack caused by circuit thunderbolt in plains region
Trip-out rate it is substantially suitable；And in mountain route because with a varied topography, the angle of gradient influence, gear are away from span is big, wind makes lightning conducter
Increased with the throw of wire, or even swing in opposite direction occur in wire and lightning conducter, lightning conducter is added with wire horizontal range
Greatly, i.e., lightning conducter becomes big to the shielding angle of wire, causes risk of shielding failure more much greater than risk of flashback.Above-mentioned generation lightning stroke trip accident
Circuit set up and lightning conducter and employ conventional various shocking preventing technology measures, it is seen that existing various shocking preventing technologies are arranged
Apply the safe operation it is impossible to ensure that transmission line of electricity.
The content of the invention
It is an object of the invention to for some shortcomings existing for prior art, it is proposed that a kind of lightning-arrest effect is more preferable, peace
Longitudinal both sides distribution coulomb force compresses on lightning conducter draw thunder arc extinguishing ball.
To achieve these goals, present invention employs following technical scheme：
A kind of longitudinal both sides distribution coulomb force compresses draw thunder arc extinguishing ball, including two arc extinguishing hemisphere and one draw thunder ball；It is described
The center of arc extinguishing hemisphere be provided with the groove adaptable with drawing thunder ball size；The described thunder ball that draws is placed in groove；
The front and rear sides of the body interior of arc extinguishing hemisphere are provided with one by some sections and formed in the arc extinguishing passage of Z-shaped cycle arrangement
Arc extinguishing path, be placed with arc-extinguishing tube in each section of arc extinguishing passage, and the end of arc-extinguishing tube adjacent two-by-two is directly touched
Touch connection or connected by electric-conductor；Arc extinguishing passage joint adjacent two-by-two in same arc extinguishing path is provided with air-flow
Passage is sprayed, air-flow sprays the outer surface that passage extends to arc extinguishing hemisphere, i.e. the outer surface of arc extinguishing hemisphere is provided with air-flow ejiction opening；
An arc electrode is provided with the top of the outer surface of ball of arc extinguishing half；In same arc extinguishing path, the head end of first arc-extinguishing tube
It is connected with arc electrode, the end of last arc-extinguishing tube is connected with drawing thunder ball（Or when being installed on lightning conducter, directly
It is connected with lightning conducter）.
In the present invention, an arc extinguishing ball has been installed additional in the face outside thunder ball of drawing of routine（It is made up of two arc extinguishing hemisphere）；
The arc extinguishing path being made up of accordingly arc-extinguishing tube is provided with inside arc extinguishing ball, by guiding and limiting the path of electric arc, is had more
Individual electric arc flex point, produce air blast in electric arc flex point and carry out arc extinguishing, serve good lightning protection arc quenching effect, ensure transmission line of electricity
Safe and stable operation.In the present invention, arc extinguishing path only can be set on an arc extinguishing hemisphere wherein, can also be at two
Arc extinguishing hemisphere is respectively provided with arc extinguishing path.
Further illustrated as the present invention, the structure setting of upper and lower two arc extinguishing hemisphere is identical.Same structure is set
Arc extinguishing path etc., so lightning-arrest arc quenching effect is more preferably.
Further illustrated as the present invention, upper and lower two arc extinguishing hemisphere passes through non-conducting material material（Such as plastics, rubber
Deng）Bolt be fixedly installed togather.The mounting means of two arc extinguishing hemisphere can be selected according to needs of production, only
It can be fixedly installed togather, such as can use in the periphery of arc extinguishing hemisphere along extended installation sheet, then with not
They are fixed together by conductive bolt assembly；Bolt, bolt hole etc. can also be set in arc extinguishing hemisphere, then use and inlay
Or installation etc. is fixed in the mode of buckle.
Further illustrated as the present invention, described arc extinguishing hemisphere uses non-conducting material（Such as plastics, rubber）It is made.
Being further illustrated as the present invention, described arc-extinguishing tube is mainly led arc ball by two thin ceramic tubes and one and formed,
Described arc ball of leading is placed between two thin ceramic tubes；The both ends end of described thin ceramic tubes is respectively equipped with conducting metal
Ring.
Further illustrated as the present invention, described electric-conductor uses copper sheet either electric wire or three-way pipe.
Further illustrated as the present invention, the port of the left and right sides of described three-way pipe is provided with conductive metal ring, middle
Port point to air-flow spray passage.
Further illustrated as the present invention, the outer surface of described arc extinguishing hemisphere is longitudinally provided with shirt rim.Described shirt rim
Trend moves towards corresponding with the setting of air-flow ejiction opening.I.e. shirt rim is set along air-flow ejiction opening.
In the present invention, arc electrode, lead arc ball, draw thunder ball and use graphite material or conducting metal material（Such as copper）
It is made.
The operation principle of the present invention：
The present invention is made up of the arc extinguishing layer for drawing thunder ball and insulation, lightning leader internal layer to draw on thunder ball sensing aggregation substantial amounts of different
Property electric charge, produce very strong Coulomb force, there is draw to lightning leader, because the charges of different polarity of wire sensing can not show a candle to draw thunder
Ball, therefore thunder and lightning is easier to be drawn thunder ball and attract, and the outer layer for drawing thunder ball has the arc extinguishing ball of insulation, by arc electrode by thunder
The arc extinguishing path that electricity is introduced in arc extinguishing ball, due to the striking for the leading arc ball effect in arc-extinguishing tube, the path of electric arc is defined, and works as electricity
Arc is compressed when passing through arc extinguishing passage in arc extinguishing path, elongates drawing-down, and electric arc spout is formed in flex point.
According to compression temperature-rise effect：
（1）Compression section quantity of heat production increase causes temperature rise --- and compression causes electric arc seriously to attenuate, and resistance and pressure drop become big.In electric current
Effect lower compression arc section absorbed power in source becomes big, quantity of heat production and temperature increase.
（2）Compression section heat dissipation capacity, which reduces, causes temperature rise --- and compression arc uses heat-barrier material, and compression causes electric arc to attenuate
Cause radiating surface to reduce and block energy loss passage, temperature rise is serious.
Further according to temperature rise directional explosion arc extinguishing effect：
（1）Compression section electric arc temperature rise directional explosion arc extinguishing effect --- compression temperature rise seriously causes arc temperature higher than uncompressed
Section, is produced from compression section to uncompressed section of explosive expansion-injection air-flow, forms compression failure effect.
（2）Directional explosion air-flow forms T-shaped transverse compression breakaway poing in flex point junction --- overall multiple zigzag pressures
Contracting channel layout, foring the mutation flex point between cell compression passage has T-shaped pressure channel again, electric arc directional explosion point side
To vertical with electric arc, it is ensured that electric arc is effectively extinguished.
In the present invention, some longitudinal both sides distribution coulomb force compresses are concatenated on the lightning conducter of a span and draw thunder arc extinguishing
Ball（Draw thunder ball to be electrically connected with lightning conducter）, when having two or more pieces lightning conducter, longitudinal both sides distribution coulomb force compresses draw thunder
Arc extinguishing ball is interspersed on lightning conducter, and the spacing distance between ball enters according to situations such as voltage class, landform, landforms, air-flow
Row selection draws thunder arc extinguishing ball string so as to form longitudinal both sides distribution coulomb force compresses.Each longitudinal both sides distribution Coulomb force
Compression is drawn thunder arc extinguishing ball and included two layers, and one layer of the inside is striking metal layers of balls（Draw thunder ball）, one layer of outside is insulation arc extinguishing layer（Go out
Arc ball）.
Advantages of the present invention：
1. the present invention is simple and reliable for structure, attract lightning leader, reduce because of the transmission line of electricity shielding that thunder and lightning intercepts failure and triggers
Accident.
Draw and attenuate and spray 2. the present invention compresses lightning current to elongate, arc extinction is reduced caused by the lightning conducter that is struck by lightning
Strike back probability.
3. different from baking aerogenesis apparatus, the present invention uses rigid hard material, service life length, passes through the rapidity of arc extinguishing
By arc extinction in the period of most fragile, and toasting aerogenesis retardance easily causes the failure of arc extinguishing.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the arc extinguishing path schematic diagram in one embodiment of the invention.
Reference：1- arc extinguishing hemisphere, 2- draw thunder ball, 3- arc electrodes, 4- air-flow ejiction openings, 5- arc extinguishings path, 6- skirts
Side.
Embodiment
The present invention is further described with reference to the accompanying drawings and examples.
Embodiment 1：
As shown in Figure 1 and Figure 2, a kind of longitudinal both sides distribution coulomb force compresses draw thunder arc extinguishing ball, including two Hes of arc extinguishing hemisphere 1
One is drawn thunder ball 2；The center of described arc extinguishing hemisphere 1 is provided with the groove adaptable with drawing the size of thunder ball 2；Described draws thunder
Ball 2 is placed in groove；One is provided with by some sections in the front and rear sides of the body interior of arc extinguishing hemisphere 1 and is followed in Z-shaped
The arc extinguishing path 5 of the arc extinguishing passage composition of circle permutation, is placed with arc-extinguishing tube in each section of arc extinguishing passage, and adjacent two-by-two
The end of arc-extinguishing tube directly touch connection；Arc extinguishing passage joint adjacent two-by-two in same arc extinguishing path is provided with gas
Stream sprays passage, and air-flow sprays the outer surface that passage extends to arc extinguishing hemisphere 1, i.e. the outer surface of arc extinguishing hemisphere 1 is sprayed provided with air-flow
Outlet 4；An arc electrode 3 is provided with the top of the outer surface of arc extinguishing hemisphere 1；In same arc extinguishing path, first arc extinguishing
The head end of pipe is connected with arc electrode 3, and the end of last arc-extinguishing tube is connected with drawing thunder ball 2.Upper and lower two arc extinguishings half
The structure setting of ball 1 is identical.Upper and lower two arc extinguishing hemisphere 1 is fixedly installed togather by the bolt of non-conducting material material.Institute
The arc extinguishing hemisphere 1 stated is made of non-conducting material.
Described arc-extinguishing tube is mainly led arc ball by two thin ceramic tubes and one and formed, and described arc ball of leading is placed in two
Between thin ceramic tubes；The both ends end of described thin ceramic tubes is respectively equipped with conductive metal ring.
Embodiment 2：
A kind of longitudinal both sides distribution coulomb force compresses draw thunder arc extinguishing ball, including two arc extinguishing hemisphere 1 and one draw thunder ball 2；Institute
The center for the arc extinguishing hemisphere 1 stated is provided with the groove adaptable with drawing the size of thunder ball 2；The described thunder ball 2 that draws is placed in groove
It is interior；One is provided with the front and rear sides of the body interior of arc extinguishing hemisphere 1 by some sections and is led in the arc extinguishing of Z-shaped cycle arrangement
The arc extinguishing path 5 of road composition, is placed with arc-extinguishing tube, and the end of arc-extinguishing tube adjacent two-by-two in each section of arc extinguishing passage
Connected by electric-conductor；Arc extinguishing passage joint adjacent two-by-two in same arc extinguishing path is provided with air-flow and sprays passage,
Air-flow sprays the outer surface that passage extends to arc extinguishing hemisphere 1, i.e. the outer surface of arc extinguishing hemisphere 1 is provided with air-flow ejiction opening 4；In arc extinguishing
The top of the outer surface of hemisphere 1 is provided with an arc electrode 3；In same arc extinguishing path, the head end of first arc-extinguishing tube is with drawing
Arc electrode 3 is connected, and the end of last arc-extinguishing tube is connected with drawing thunder ball 2.Upper and lower two arc extinguishing hemisphere 1 is led by non-
The bolt of electric material material is fixedly installed togather.Described arc extinguishing hemisphere 1 is made of non-conducting material.
Described arc-extinguishing tube is mainly led arc ball by two thin ceramic tubes and one and formed, and described arc ball of leading is placed in two
Between thin ceramic tubes；The both ends end of described thin ceramic tubes is respectively equipped with conductive metal ring.Described electric-conductor uses copper sheet.
The outer surface of described arc extinguishing hemisphere 1 is longitudinally provided with shirt rim 6.The trend of described shirt rim 6 and air-flow ejiction opening
Setting moves towards corresponding.
Embodiment 3：
A kind of longitudinal both sides distribution coulomb force compresses draw thunder arc extinguishing ball, including two arc extinguishing hemisphere 1 and one draw thunder ball 2；Institute
The center for the arc extinguishing hemisphere 1 stated is provided with the groove adaptable with drawing the size of thunder ball 2；The described thunder ball 2 that draws is placed in groove
It is interior；One is provided with the front and rear sides of the body interior of arc extinguishing hemisphere 1 by some sections and is led in the arc extinguishing of Z-shaped cycle arrangement
The arc extinguishing path 5 of road composition, is placed with arc-extinguishing tube, and the end of arc-extinguishing tube adjacent two-by-two in each section of arc extinguishing passage
Connected by electric-conductor；Arc extinguishing passage joint adjacent two-by-two in same arc extinguishing path is provided with air-flow and sprays passage,
Air-flow sprays the outer surface that passage extends to arc extinguishing hemisphere 1, i.e. the outer surface of arc extinguishing hemisphere 1 is provided with air-flow ejiction opening 4；In arc extinguishing
The top of the outer surface of hemisphere 1 is provided with an arc electrode 3；In same arc extinguishing path, the head end of first arc-extinguishing tube is with drawing
Arc electrode 3 is connected, and the end of last arc-extinguishing tube is connected with drawing thunder ball 2.Upper and lower two arc extinguishing hemisphere 1 is led by non-
The bolt of electric material material is fixedly installed togather.Described arc extinguishing hemisphere 1 is made of non-conducting material.
Described arc-extinguishing tube is mainly led arc ball by two thin ceramic tubes and one and formed, and described arc ball of leading is placed in two
Between thin ceramic tubes；The both ends end of described thin ceramic tubes is respectively equipped with conductive metal ring.Described electric-conductor uses threeway
Pipe.The port of the left and right sides of described three-way pipe is provided with conductive metal ring, and middle port points to air-flow and sprays passage.
The outer surface of described arc extinguishing hemisphere 1 is longitudinally provided with shirt rim 6.The trend of described shirt rim 6 and air-flow ejiction opening
Setting moves towards corresponding.
Claims (9)
1. a kind of longitudinal both sides distribution coulomb force compresses draw thunder arc extinguishing ball, it is characterised in that：Including two arc extinguishing hemisphere（1）With
One is drawn thunder ball（2）；Described arc extinguishing hemisphere（1）Center be provided with drawing thunder ball（2）The adaptable groove of size；It is described
Draw thunder ball（2）It is placed in groove；In arc extinguishing hemisphere（1）Body interior front and rear sides be provided with one by some sections and
The arc extinguishing path formed in the arc extinguishing passage of Z-shaped cycle arrangement（5）, arc-extinguishing tube is placed with each section of arc extinguishing passage,
And the end of adjacent arc-extinguishing tube is directly touched connection or connected by electric-conductor two-by-two；In same arc extinguishing path
Adjacent arc extinguishing passage joint is provided with air-flow ejection passage two-by-two, and air-flow sprays passage and extends to arc extinguishing hemisphere（1）Appearance
Face, i.e. arc extinguishing hemisphere（1）Outer surface be provided with air-flow ejiction opening（4）；In arc extinguishing hemisphere（1）Draw provided with one at the top of outer surface
Arc electrode（3）；In same arc extinguishing path, the head end and arc electrode of first arc-extinguishing tube（3）It is connected, last goes out
The end of arc pipe is with drawing thunder ball（2）It is connected.
2. longitudinal both sides distribution coulomb force compresses according to claim 1 draw thunder arc extinguishing ball, it is characterised in that：It is upper and lower
Two arc extinguishing hemisphere（1）Structure setting it is identical.
3. longitudinal both sides distribution coulomb force compresses according to claim 2 draw thunder arc extinguishing ball, it is characterised in that：It is upper and lower
Two arc extinguishing hemisphere（1）It is fixedly installed togather by the bolt of non-conducting material material.
4. draw thunder arc extinguishing ball according to any described longitudinal both sides distribution coulomb force compresses of claim 1-3, it is characterised in that：
Described arc extinguishing hemisphere（1）It is made of non-conducting material.
5. longitudinal both sides distribution coulomb force compresses according to claim 1 draw thunder arc extinguishing ball, it is characterised in that：Described
Arc-extinguishing tube is mainly led arc ball by two thin ceramic tubes and one and formed, and described arc ball of leading is placed between two thin ceramic tubes；
The both ends end of described thin ceramic tubes is respectively equipped with conductive metal ring.
6. longitudinal both sides distribution coulomb force compresses according to claim 5 draw thunder arc extinguishing ball, it is characterised in that：Described
Electric-conductor uses copper sheet either electric wire or three-way pipe.
7. longitudinal both sides distribution coulomb force compresses according to claim 6 draw thunder arc extinguishing ball, it is characterised in that：Described
The port of the left and right sides of three-way pipe is provided with conductive metal ring, and middle port points to air-flow and sprays passage.
8. longitudinal both sides distribution coulomb force compresses according to claim 1 draw thunder arc extinguishing ball, it is characterised in that：Described
Arc extinguishing hemisphere（1）Outer surface longitudinally be provided with shirt rim（6）.
9. longitudinal both sides distribution coulomb force compresses according to claim 8 draw thunder arc extinguishing ball, it is characterised in that：Described
Shirt rim（6）Trend move towards corresponding with the setting of air-flow ejiction opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710809325.8A CN107508144A (en) | 2017-09-10 | 2017-09-10 | Longitudinal both sides distribution coulomb force compresses draw thunder arc extinguishing ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710809325.8A CN107508144A (en) | 2017-09-10 | 2017-09-10 | Longitudinal both sides distribution coulomb force compresses draw thunder arc extinguishing ball |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107508144A true CN107508144A (en) | 2017-12-22 |
Family
ID=60696166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710809325.8A Withdrawn CN107508144A (en) | 2017-09-10 | 2017-09-10 | Longitudinal both sides distribution coulomb force compresses draw thunder arc extinguishing ball |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107508144A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112117656A (en) * | 2019-06-20 | 2020-12-22 | 王巨丰 | Multi-solid-phase airflow multi-section synchronous arc extinguishing method and system |
-
2017
- 2017-09-10 CN CN201710809325.8A patent/CN107508144A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112117656A (en) * | 2019-06-20 | 2020-12-22 | 王巨丰 | Multi-solid-phase airflow multi-section synchronous arc extinguishing method and system |
| CN112117656B (en) * | 2019-06-20 | 2022-04-01 | 王巨丰 | Multi-solid-phase airflow multi-section synchronous arc extinguishing method and system |
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Application publication date: 20171222 |