CN106328327B - A kind of compression line span center lightning stroke flashover arc extinguishing lightning protection device - Google Patents
A kind of compression line span center lightning stroke flashover arc extinguishing lightning protection device Download PDFInfo
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- CN106328327B CN106328327B CN201610976576.0A CN201610976576A CN106328327B CN 106328327 B CN106328327 B CN 106328327B CN 201610976576 A CN201610976576 A CN 201610976576A CN 106328327 B CN106328327 B CN 106328327B
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- arc
- arc extinguishing
- lightning
- protection device
- lightning protection
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/12—Overvoltage protection resistors
- H01C7/123—Arrangements for improving potential distribution
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/42—Means for obtaining improved distribution of voltage; Protection against arc discharges
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Insulators (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention discloses a kind of compression line span center lightning stroke flashover arc extinguishing lightning protection devices, including lightning conducter (4) and conducting wire (8), it further include compression arc extinguishing lightning protection device (3), the arc extinguishing compression lightning protection device (3) is separately mounted to lightning conducter (4) and the opposite span center answered of conducting wire (8), a pair of of arc extinguishing compression lightning protection device (3) formation lightning conducter on the lightning conducter (4) and conducting wire (8) and the arc extinguishing lightning protection inter space between conducting wire in pairs.The present invention uses compression arc extinguishing shocking preventing technology, and arc extinguishing lightning protection is more quick and precisely.
Description
Technical field
The present invention relates to arc extinguishing thunder resisting equipment technical field, a kind of specially compression line span center lightning stroke flashover goes out
Arc lightning protection device.
Background technique
Transmission line of electricity lightning protection is always the important content of power department Thunder Protection, and lightning strike accident is still to influence power grid peace
One of full key factor.Existing overvoltage protection design specification regulation the air gap S (in terms of m) in China presses formula: S=
0.012l+1 (m) is calculated, and wherein l is span (unit m).This formula is assuming that bearing reflection entirely and not considering Tower Surge Impedance feelings
Derived under condition, obtain be not in be struck by lightning lightning conducter span center phenomenon.But in actual moving process, lightning stroke is lightning-arrest
Counterattack caused by line span center causes shielding phenomenon to happen occasionally with lightning stroke conducting wire span center, and probability of happening is big, Yi Zao
Cause flashover on the spot and insulator arc-over at transmission line of electricity generation Lightning Over-voltage and transmission line of electricity is caused to trip.In recent years, defeated
Situations such as high shaft tower of electric line, large pitch, scissors crossing, multiple-loop line, conducting wire commutation, generally occurs, and is struck by lightning in lightning conducter span
The accidents such as tripping, lightning conducter broken string are caused gradually to increase in centre.Due to the arc for drawing thunder effect and mid span of electric power line pole tower
Vertical effect is greater than its areas at both sides in the probability that shielding in a not far region of shaft tower, occurs along span direction
Shielding probability.When route is in mountain area, and adjacent two shaft tower is on two mountain tops, the span center of conducting wire is due to from the ground very
Height is weakened by the shielding action on ground, and along with the windage yaw of conducting wire increases shielding angle, such case lower wire span center is anti-
And become the danger area of shielding.Be struck by lightning lightning conducter span center when, cause counterattack so as to cause insulator arc-over and on the spot flashover.
When lightning stroke conducting wire span center, insulator arc-over and on the spot flashover can be caused by causing shielding also.When span center in strong lightning stroke,
Huge lightning surge will be generated.Although big steepness lightning stroke lightning stroke intensity is little, huge impact thunder can produce in moment
Electric overvoltage causes lightning stroke trip accident.In actual conditions, shaft tower and earth mat there are big resistance, be struck by lightning span center when, lightning stroke
Impact characteristics cause huge induced overvoltage, also easily cause insulator arc-over.Based on the above analysis, compression line span
Central lightning stroke flashover arc extinguishing lightning protection device comes into being.
Summary of the invention
The purpose of the present invention is to provide a kind of compression line span center lightning stroke flashover arc extinguishing lightning protection devices, on solving
The problem of proposing in background technique is stated, possessed beneficial effect is；Using compression arc extinguishing shocking preventing technology, arc extinguishing lightning protection is more
Quick and precisely, without vulnerable part in device, weight is light and handy, is easily installed, and will not generate to original conducting wire, lightning conducter or even shaft tower
Excessive weight-bearing load forms air-flow, no replacement is required arc extinguishing energy group by compressed air, and realization recycles.
To achieve the above object, the invention provides the following technical scheme:
A kind of compression line span center lightning stroke flashover arc extinguishing lightning protection device, including lightning conducter and conducting wire, further include arc extinguishing
Compression lightning protection device, the arc extinguishing compression lightning protection device are separately mounted to lightning conducter and the corresponding span center of conducting wire in pairs,
A pair of of arc extinguishing compression lightning protection device on the lightning conducter and conducting wire forms the arc extinguishing lightning protection inter space between lightning conducter and conducting wire.
As the further improvement of technical solution, above-described arc extinguishing compression lightning protection device main body is mainly by striking electricity
Pole, tee tube, arc extinguishing path, connection gold utensil and immobilising device composition；The arc electrode is fixedly mounted on arc extinguishing compression
One end of lightning protection device main body, the other end of arc extinguishing compression lightning protection device main body again will by immobilising device after connecting with connection gold utensil
Arc extinguishing compression lightning protection device is fixed on lightning conducter or conducting wire；The arc extinguishing compression lightning protection device main body is by several segments arc extinguishing channel group
At and Z-shape circulation arrangement arc extinguishing path, and each section of arc extinguishing channel places there are two arc-extinguishing tube, go out at the two
It is equipped with one between arc pipe and leads arc ball；Arc-extinguishing tube at the first segment arc extinguishing feeder connection in the arc extinguishing path passes through arc guide rod and draws
Arc electrode is connected, and the arc-extinguishing tube of final stage arc extinguishing channel exit is connected with connection gold utensil；The tee tube setting exists
The junction in adjacent arc extinguishing channel two-by-two, the both ends of tee tube are respectively equipped with one and lead arc electrode；It is described to lead the one of arc electrode
End is protruded into tee tube, and the other end is directly connected with the arc-extinguishing tube closed on or connect by conducting wire.
As the further improvement of technical solution, in tee tube to lead arc electrode cylindrical, closing on arc-extinguishing tube pipe
Mouthful to lead arc electrode annular in shape.
As the further improvement of technical solution, a pair in tee tube is arranged between the air of 2~3mm between leading arc electrode
Gap, air gap length are precisely the radial pipe diameter of tee tube.
As the further improvement of technical solution, a counter is equipped in final stage arc extinguishing channel exit；Described
Counter includes bead receptacle and the counting bead that is placed in bead receptacle；The outlet of the bead receptacle and last
The outlet in one section of arc extinguishing channel is corresponding.
As the further improvement of technical solution, the bead receptacle of the spiral counter is mounted in the shape of a spiral
In arc extinguishing compression lightning protection device main body, the counting bead is marked using different colours or number；The counting
Device is spiral or vertical or adjustable crossmember type counter.
As the further improvement of technical solution, a kind of above-described line span center avoids lightning stroke flashover compression
Arc extinguishing lightning protection device further includes right shaft tower and the fixed device of left shaft tower, lightning conducter, insulator fixed plate and ceramic insulator；It is described
The both ends of lightning conducter respectively connected the fixed device of lightning conducter for being fixed on right shaft tower and left shaft tower upper end, the both ends of the conducting wire
It is separately fixed at the upper of ceramic insulator, and ceramic insulator is mounted on the lower end of insulator fixed plate.
As the further improvement of technical solution, insulator fixed plate is arranged in the fixed device of above-described lightning conducter
Upper end.
As the further improvement of technical solution, above-described insulator fixed plate is separately fixed at right shaft tower and left bar
On tower.
As the further improvement of technical solution, above-described arc electrode is made of graphite material；Described leads arc
Electrode is copper electrodes；The arc-extinguishing tube is thin ceramic tubes.
Compared with prior art, the beneficial effects of the present invention are:
1. arc extinguishing compression lightning protection device installation site of the present invention is lightning conducter and conducting wire span center, it is ensured that lightning stroke conducting wire shelves
It not will cause trip accident away from central shielding.
2. arc extinguishing compression lightning protection device installation site of the present invention is lightning conducter and conducting wire span center, it is ensured that lightning stroke lightning conducter
Span center, which is hit, not will cause trip accident.
3. the lightning conducter span center that ensures to be struck by lightning will not cause flashover on the spot with conducting wire span center, trip accident is caused.
4. present device uses compression arc extinguishing shocking preventing technology, arc extinguishing lightning protection is more quick and precisely.
5. weight is light and handy without vulnerable part in apparatus of the present invention, it is easily installed, to original conducting wire, lightning conducter or even shaft tower
Excessive weight-bearing load will not be generated.
6. the present invention is by compressed air formation air-flow, no replacement is required arc extinguishing energy group, realization is recycled.
7. the installation site of arc extinguishing compression lightning protection device of the present invention increases protection scope as can be also increased if necessary.
8. arc electrode of the present invention is graphite material, it is ensured that arc energy is along definitive orbit and can smoothly enter into arc extinguishing pressure
Contracting formula lightning protection device.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of compression arc extinguishing lightning protection device of the present invention.
In figure: the fixed device of 1- lightning conducter；2- insulator fixed plate；3- arc extinguishing compression lightning protection device, 31- arc electrode,
32- tee tube, 33- arc extinguishing path, 34- count bead, 35- bead receptacle, 36- connection gold utensil, 37- immobilising device；4- is kept away
Thunder line；The right shaft tower of 5-；The left shaft tower of 6-；7- ceramic insulator；8- conducting wire.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1 and Fig. 2 are please referred to, following examples provided by the invention:
Embodiment 1
A kind of compression line span center lightning stroke flashover arc extinguishing lightning protection device, including lightning conducter 4 and conducting wire 8, further include going out
Arc compression lightning protection device 3, the arc extinguishing compression lightning protection device 3 are separately mounted to lightning conducter 4 and the corresponding shelves of conducting wire 8 in pairs
Away from center, a pair of of arc extinguishing compression lightning protection device 3 on the lightning conducter 4 and conducting wire 8 forms the arc extinguishing between lightning conducter and conducting wire
Lightning protection inter space.
Embodiment 2
The places different from embodiment 1 are: 3 main body of arc extinguishing compression lightning protection device is mainly by arc electrode 31, three
Siphunculus 32, arc extinguishing path 33, connection gold utensil 36 and immobilising device 37 form；The arc electrode 31 is fixedly mounted on arc extinguishing pressure
One end of 3 main body of contracting formula lightning protection device, the other end of 3 main body of arc extinguishing compression lightning protection device pass through again after connecting with connection gold utensil 36
Arc extinguishing compression lightning protection device 3 is fixed on lightning conducter 4 or conducting wire 8 by immobilising device 37；3 main body of arc extinguishing compression lightning protection device
It is made of several segments arc extinguishing channel and the arc extinguishing path 33 of Z-shape circulation arrangement, and each section of arc extinguishing channel is placed with
Two arc-extinguishing tubes are equipped with one between the two arc-extinguishing tubes and lead arc ball；The first segment arc extinguishing feeder connection in the arc extinguishing path 33
The arc-extinguishing tube at place is connected by arc guide rod with arc electrode 31, the arc-extinguishing tube of final stage arc extinguishing channel exit with connect gold
Tool 36 is connected；The junction in arc extinguishing channel adjacent two-by-two is arranged in the tee tube 32, and the both ends of tee tube 32 are set respectively
There is one to lead arc electrode；Described one end for leading arc electrode is protruded into tee tube 32, and the other end is directly contacted with the arc-extinguishing tube closed on
Connection is connected by conducting wire.
Working principle: in use, by scene operation and analysis is calculated, in 8 span of transmission line of electricity lightning conducter 4 and conducting wire
Lightning stroke flashover arc extinguishing compression lightning protection device is installed in centre and required position, to ensure span various pieces lightning stroke flashover lightning protection of being struck by lightning
Device can be acted successfully；Span center lightning stroke flashover arc extinguishing compression lightning protection device occurs in pairs, installs when on lightning conducter 4
When the arc extinguishing compression lightning protection device of span center, span center arc extinguishing compression lightning protection device should be also installed in 8 corresponding position of conducting wire, with
Form the arc extinguishing lightning protection inter space between lightning conducter 4 and conducting wire 8；Span center lightning stroke flashover arc extinguishing compression lightning protection device has striking electric
Pole, electrode are graphite material, guarantee that arc energy along definitive orbit and can smoothly enter into span center lightning stroke flashover arc extinguishing compression
Lightning protection device；After electric arc enters span center lightning stroke flashover arc extinguishing compression lightning protection device, electric arc is introduced by lightning protection by arc electrode
(due to the striking for leading arc ball of tee tube led in arc electrode and arc extinguishing channel in the Z-shape arc extinguishing path of device body interior
Effect, arc path are prescribed, and flashover cannot occur from lightning protection device body surfaces)；When electric arc is by each in arc extinguishing path
When section arc extinguishing channel, the arc-extinguishing tube in arc extinguishing channel is carried out blowing drawing, be stretched again because of high temperature generation air blast to the inflection point of electric arc
Electric arc has been refined, electric arc is made to be more easier to be blown out and not re-ignition；Electric arc itself also by processes such as experience compression, expansions, is accelerated
Compound, the dissipation of acceleration energy of arc-plasma, span center arc extinguishing compression lightning protection device also elongating arc path, reduction
The mode of electric arc, multiple spot air-flow truncation electric arc, reduces arc reignition rate.
Embodiment 3
The places different from embodiment 2 are: in tee tube 32 to lead arc electrode cylindrical, closing on arc-extinguishing tube pipe
Mouthful to lead arc electrode annular in shape.
Embodiment 4
The places different from embodiment 3 are: the air of 2~3mm being arranged between a pair in tee tube 32 leads arc electrode
Gap, air gap length are precisely the radial pipe diameter of tee tube 32.
Embodiment 5
The places different from embodiment 1 are: being equipped with a counter in final stage arc extinguishing channel exit；The meter
Count the counting bead 34 that device includes bead receptacle 35 and is placed in bead receptacle 35；The outlet of the bead receptacle 35
It is corresponding with the outlet in final stage arc extinguishing channel.
Embodiment 6
The places different from embodiment 5 are: the bead receptacle 35 of the counter is mounted on arc extinguishing in the shape of a spiral
In 3 main body of compression lightning protection device, the counting bead 34 is marked using different colours or number；The counter
For spiral or vertical or adjustable crossmember type counter.
Embodiment 7
The places different from embodiment 1 are: further including right shaft tower 5 and the fixed device 1 of left shaft tower 6, lightning conducter, insulation
Sub- fixed plate 2 and ceramic insulator 7；The both ends of the lightning conducter 4, which respectively connected, is fixed on 6 upper end of right shaft tower 5 and left shaft tower
The fixed device 1 of lightning conducter, the both ends of the conducting wire 8 are separately fixed on ceramic insulator 7, and ceramic insulator 7 is mounted on
The lower end of insulator fixed plate 2.
Embodiment 8
The places different from embodiment 7 are: the upper end of insulator fixed plate 2 is arranged in the fixed device 1 of the lightning conducter.
Embodiment 9
The places different from embodiment 8 are: the insulator fixed plate 2 is separately fixed at right shaft tower 5 and left shaft tower 6
On.
Embodiment 10
The places different from embodiment 9 are: the arc electrode 31 is made of graphite material；The arc electrode of leading is
Copper electrodes；The arc-extinguishing tube is thin ceramic tubes.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (10)
1. a kind of compression line span center lightning stroke flashover arc extinguishing lightning protection device, including lightning conducter (4) and conducting wire (8), feature
It is: further includes arc extinguishing compression lightning protection device (3), the arc extinguishing compression lightning protection device (3) is separately mounted to lightning conducter in pairs
(4) and the corresponding span of conducting wire (8) is central, a pair of of arc extinguishing compression lightning protection device on the lightning conducter (4) and conducting wire (8)
(3) the arc extinguishing lightning protection inter space between lightning conducter and conducting wire is formed.
2. a kind of compression line span center lightning stroke flashover arc extinguishing lightning protection device according to claim 1, it is characterised in that:
Arc extinguishing compression lightning protection device (3) main body is mainly by arc electrode (31), tee tube (32), arc extinguishing path (33), connection gold
Have (36) and immobilising device (37) composition；The arc electrode (31) is fixedly mounted on arc extinguishing compression lightning protection device (3) main body
One end, the other end of arc extinguishing compression lightning protection device (3) main body connect with connection gold utensil (36) after again by immobilising device (37)
Arc extinguishing compression lightning protection device (3) is fixed on lightning conducter (4) or conducting wire (8)；The arc extinguishing compression lightning protection device (3) if main body by
The arc extinguishing path (33) of dry section arc extinguishing channel composition and Z-shape circulation arrangement, and each section of arc extinguishing channel is placed with two
A arc-extinguishing tube is equipped with one between the two arc-extinguishing tubes and leads arc ball；The first segment arc extinguishing feeder connection of the arc extinguishing path (33)
The arc-extinguishing tube at place is connected by arc guide rod with arc electrode (31), the arc-extinguishing tube of final stage arc extinguishing channel exit and connection
Fitting (36) is connected；The tee tube (32) is arranged in the junction in arc extinguishing channel adjacent two-by-two, and the two of tee tube (32)
End is respectively equipped with one and leads arc electrode；Described one end for leading arc electrode is protruded into tee tube (32), the other end and the arc extinguishing closed on
Pipe is directly connected or is connected by conducting wire.
3. a kind of compression line span center lightning stroke flashover arc extinguishing lightning protection device according to claim 2, it is characterised in that:
Arc electrode is cylindrical for leading in tee tube (32), close on arc-extinguishing tube nozzle to lead arc electrode annular in shape.
4. a kind of compression line span center lightning stroke flashover arc extinguishing lightning protection device according to claim 3, it is characterised in that:
The air gap of 2~3mm is set between a pair in tee tube (32) leads arc electrode, and air gap length is precisely tee tube
(32) radial pipe diameter.
5. a kind of compression line span center lightning stroke flashover arc extinguishing lightning protection device according to claim 1, it is characterised in that:
A counter is equipped in final stage arc extinguishing channel exit；The counter includes bead receptacle (35) and is placed on small
Counting bead (34) in ball receptacle (35)；The outlet of the bead receptacle (35) and the outlet in final stage arc extinguishing channel
It is corresponding.
6. a kind of compression line span center lightning stroke flashover arc extinguishing lightning protection device according to claim 5, it is characterised in that:
The bead receptacle (35) of the counter is mounted in the shape of a spiral in arc extinguishing compression lightning protection device (3) main body, the meter
Number bead (34) is marked using different colours or number；The counter is spiral or vertical or adjustable crossmember type meter
Number device.
7. a kind of compression line span center lightning stroke flashover arc extinguishing lightning protection device according to claim 1, it is characterised in that:
It further include right shaft tower (5) and left shaft tower (6), lightning conducter fixed device (1), insulator fixed plate (2) and ceramic insulator (7)；
The both ends of the lightning conducter (4) respectively connected the fixed device of lightning conducter for being fixed on right shaft tower (5) and left shaft tower (6) upper end
(1), the both ends of the conducting wire (8) are separately fixed at the upper of ceramic insulator (7), and ceramic insulator (7) is mounted on insulator
The lower end of fixed plate (2).
8. a kind of compression line span center lightning stroke flashover arc extinguishing lightning protection device according to claim 7, it is characterised in that:
Upper end of the lightning conducter fixed device (1) setting in insulator fixed plate (2).
9. a kind of compression line span center lightning stroke flashover arc extinguishing lightning protection device according to claim 7, it is characterised in that:
The insulator fixed plate (2) is separately fixed on right shaft tower (5) and left shaft tower (6).
10. a kind of compression line span center lightning stroke flashover arc extinguishing lightning protection device according to claim 2, feature exist
In: the arc electrode (31) is made of graphite material；The arc electrode of leading is copper electrodes；The arc-extinguishing tube is thin pottery
Porcelain tube.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610976576.0A CN106328327B (en) | 2016-11-08 | 2016-11-08 | A kind of compression line span center lightning stroke flashover arc extinguishing lightning protection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610976576.0A CN106328327B (en) | 2016-11-08 | 2016-11-08 | A kind of compression line span center lightning stroke flashover arc extinguishing lightning protection device |
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| CN106328327A CN106328327A (en) | 2017-01-11 |
| CN106328327B true CN106328327B (en) | 2019-01-08 |
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| CN107578864B (en) * | 2017-08-24 | 2024-01-30 | 王巨丰 | Zigzag synchronous compression arc extinguishing lightning protection device with four-side injection channels |
| CN112117070B (en) * | 2019-06-20 | 2022-03-08 | 王巨丰 | Full-span insulation matching method and device for eliminating span central direct flashover |
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|---|---|---|---|---|
| CN204885825U (en) * | 2015-09-08 | 2015-12-16 | 凭祥供电公司 | Novel distribution lines arc extinguishing lightning protection clearance device |
| CN106451078A (en) * | 2016-08-30 | 2017-02-22 | 王巨丰 | Electric arc compressed arc-extinguishing lightning protection gap device |
| CN206480440U (en) * | 2016-11-08 | 2017-09-08 | 王巨丰 | A kind of central lightning stroke flashover arc extinguishing lightning protection device of compression line span |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3373020B2 (en) * | 1993-12-21 | 2003-02-04 | 株式会社東芝 | Power line arrester |
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- 2016-11-08 CN CN201610976576.0A patent/CN106328327B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204885825U (en) * | 2015-09-08 | 2015-12-16 | 凭祥供电公司 | Novel distribution lines arc extinguishing lightning protection clearance device |
| CN106451078A (en) * | 2016-08-30 | 2017-02-22 | 王巨丰 | Electric arc compressed arc-extinguishing lightning protection gap device |
| CN206480440U (en) * | 2016-11-08 | 2017-09-08 | 王巨丰 | A kind of central lightning stroke flashover arc extinguishing lightning protection device of compression line span |
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