CN104701741B - A kind of combination cropper - Google Patents
A kind of combination cropper Download PDFInfo
- Publication number
- CN104701741B CN104701741B CN201510069068.XA CN201510069068A CN104701741B CN 104701741 B CN104701741 B CN 104701741B CN 201510069068 A CN201510069068 A CN 201510069068A CN 104701741 B CN104701741 B CN 104701741B
- Authority
- CN
- China
- Prior art keywords
- arc
- control device
- gas ball
- electrode
- arc extinguishing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention discloses a kind of combination cropper, including the multi-break arc-control device and pressure-bearing type arc-control device that are fixedly mounted on insulator two ends respectively by connection gold utensil I, connection gold utensil II;Wherein, the apparatus main body of described multi-break arc-control device is provided with and is made up of some sections of arc extinguishing passages and the Z-shape arc extinguishing path for circulating arrangement;The inside of described pressure-bearing type arc-control device is provided with left and right side storage magazine and arc electrode II;Described left side is stored up magazine, right side storage magazine and is equipped with the vertical rail for laterally discharge arc extinguishing gas ball, and is respectively equipped with the prepared track in ramped shaped in the bottom of vertical rail, and preparation track end is provided with gas ball trigger bit.Present configuration is simple, reasonable in design, and arc extinguishing ability is strong, stable and reliable in work and countable, is easy to later maintenance, changes.
Description
Technical field
The present invention relates to a kind of lightning protection device of transmission line of electricity, more particularly to a kind of combination cropper.
Background technology
Thunder and lightning is the key factor for affecting power transmission line safety, occupies the first place of line fault tripping operation for a long time, is air
The natural process of activity, it is also uncontrollable so far.But we can find thunderbolt rule by being analyzed to often sending out accident,
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 in river lake and installed in the high shaft tower of earth resistance and rock column foot and power transmission line etc. be all be subject to thunderbolt destruction emphasis.
Thunder and lightning strike can bring the damage and destruction of multi-form, thundercloud discharge draw in power system to electric power facility
Lightning Over-voltage is played, common overvoltage has and is struck by lightning near aerial line by electromagnetic induction on power transmission line in overhead transmission line
Overvoltage and thunder and lightning directly impact the overvoltage produced on wire.Thunderbolt causes overvoltage, and insulator, power transmission line may be made
Into damage;Thunderbolt causes insulator arc-over to discharge, and burn can be caused to porcelain surface to come off or cause netted to glass insulator
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 cannot be carried out.
Transmission line of electricity lightning protection always is the important content of power department Thunder Protection, and lightning fault remains impact electrical network
One of key factor of safety.There is the impulse flashover caused during thunderbolt in transmission line of electricity, cause line insulator flashover, produce then
The very big power frequency continued flow of life, damages insulator chain and gold utensil, causes line accident.To this power department typically using in power transmission line
Road installs line thunder protection device additional to realize protection.
Electric arc is the free gass of high temperature high conductivity, and electric arc is eliminated, abbreviation arc extinguishing.Arc extinguishing has various methods,
It is undertaking main rupturing duty mostly using certain gas or liquid.
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, afterflow can be blocked again, it is to avoid cause the electrical installation of system earth short circuit.
It is a kind of as disclosed in Patent No. 201110090288.2 to be applied to the 10 of 10~35kV overhead transmission lines
~35kV overhead transmission line constraint space gas injection arc extinguishing lightning protection clearance apparatus, and for example Patent No.
The 200710066259.6 disclosed constraint space jet-stream wind arc extinguishing lightning protection inter spaces for each electric pressure transmission line of electricity are filled
Put, be installed in parallel in line insulator string two ends, the flashover voltage between portable protective gaps less than by protection insulator chain, from
And had precedence over when transmission line of electricity is struck by lightning, aerogenesis during disruptive discharge, inside constraint space
While material is drastically heated generation gases at high pressure by high-temperature electric arc, signal pickup assembly automatic data collection signal simultaneously starts injection gas
Body generating meanss, moment produce high velocity air and electric arc are impacted, extinguishing is cooled to along longitudinal direction, and its arc extinguishing ability is weaker.
A kind of different electric pressure segmentation arc extinguishing lightning protection clearance apparatus storehouses as disclosed in Patent No. 201310297789.7,
Discoid arc extinguishing storage magazine is employed, gas can be produced after can placing substantial amounts of triggering carries out the bullet of arc extinguishing, and passes through
The twisting force of plane scroll spring makes arc extinguishing bullet be arranged closely in the storage bullet track of arc extinguishing storage magazine I so that currently go out
After the triggering of arc bullet is dropped, next can be realized moving bullet certainly automatically into bullet trigger position.Although going out before overcoming
The deficiency that arc bullet is few, effective arc extinguishing number of times is few, but do not possess tally function.
A kind of easy counter for lightning arrester as disclosed in Patent No. 201120391471.1, including lightning arrestor movement
Acquisition module, electrical switch, single-chip microcomputer and display, lightning arrestor movement acquisition module include a photoelectrical coupler, light thermocouple
The switch contact of the heavy-current discharge protection device on the input connection spark gap of clutch, its outfan are sequentially connected in series a filter
Ripple device and two schmitt inverters are connected to the trigger point of electrical switch, and the signal output part connection of electrical switch is single, piece machine
Input, the outfan connection display of single-chip microcomputer, the patent production cost is higher.
A kind of leakage conductor discharge counter as disclosed in Patent No. 201410115787.6, including housing, glass
Glass capping, valve block, silicon dridge type commutator, capacitor, electric magnetic counter and display screen, glass capping are set to outer convex spherical formula glass
Glass is covered, and the outer surface of display screen numeral covers fluorescence coating.Adapt to transmission tower height, the pivoted display of Large numbers all over the screen,
Simultaneously smear fluorescent material in number, meet the needs of night observation, enumerator glass capping use evagination spherical glass instead with
Further increase numerical monitor effect, but it is weaker to support anti-natural calamity ability.
Although more than patent serve certain arc extinguishing protective action to lightning protection, still some shortcomings, e.g., for
Multiple thunder, arc quenching effect are less obvious, there is phenomenon of restriking etc., and the volume of discharge counter is larger, it is difficult to installed in one
In a little specific occasions, anti-tampering ability is weak, easily produces error count, and data can not be stored, and needs manual record, wastes a large amount of
Labour force.
The content of the invention
Present invention aims to the deficiencies in the prior art, there is provided a kind of simple structure, reasonable in design, arc extinguishing energy
Strong, the stable and reliable in work combination cropper of power.The combination cropper is by by multi-break arc-control device and pressure-bearing type interrupter cartridge
The two ends for being separately mounted to insulator chain are put, portable protective gaps are formed;Z-shaped arc extinguishing path, shape are provided with inside multi-break arc-control device
Export into multiple strikings, on the basis of device volume is reduced, bigger may guarantee extinguishes electric arc, and many screw thread gold utensils fix peace
Dress, makes also rotate or misplace in the natural disaster such as typhoon weather;Pressure-bearing type arc-control device is by arranging vertical rail, laterally
Place arc extinguishing gas ball, improve surface structure of arc extinguishing gas ball etc. so as to which internal arc extinguishing gas ball amount of storage is big, arc extinguishing gas ball exists
Can glide automatically under self gravitation effect, and advance;The action that cooperates of multi-break arc-control device and pressure-bearing type arc-control device is gone out
Arc, arc quenching effect are good.Meanwhile, enumerator is coordinated with arc-control device, is ensured and can be prepared in advance when device needs and changes.
To achieve these goals, present invention employs technical scheme below:
A kind of combination cropper, is fixedly mounted on insulator two ends including connection gold utensil I, connection gold utensil II is passed through respectively
Multi-break arc-control device and pressure-bearing type arc-control device;Wherein, described multi-break arc-control device includes apparatus main body and striking electricity
Pole I;Described arc electrode I is fixedly mounted on one end of apparatus main body, and points to pressure-bearing type arc-control device, apparatus main body it is another
One end is fixedly mounted on one end of insulator by connection gold utensil I;Described apparatus main body is provided with by some sections of arc extinguishing passage groups
Into and it is Z-shape circulation arrangement arc extinguishing path;Copper billet, and each section are provided with the junction of arc extinguishing passage adjacent two-by-two
Arc extinguishing passage is placed with two arc-extinguishing tubes, is provided with one and leads arc ball between the two arc-extinguishing tubes;The first of the arc extinguishing path
Arc-extinguishing tube at section arc extinguishing feeder connection is connected with arc electrode I by arc guide rod, final stage arc extinguishing channel exit
Arc-extinguishing tube is connected with connection gold utensil I by wire;
The inside of described pressure-bearing type arc-control device is provided with left side storage magazine, right side storage magazine and arc electrode II;It is described
Left side storage magazine, right side storage magazine be equipped with the vertical rail for laterally discharge arc extinguishing gas ball, and in vertical rail
Bottom is respectively equipped with the prepared track I in ramped shaped and preparation track II;The end that the prepared track I of magazine is stored up in left side is provided with
Gas ball trigger bit I, gas ball trigger bit I are respectively provided on two sides with trigger electrode I, trigger electrode I with for gathering lightening pulse electricity
The induction coil I of signal is connected;The end that the prepared track II of magazine is stored up on right side is provided with gas ball trigger bit II, the triggering of gas ball
Position II is respectively provided on two sides with trigger electrode II, trigger electrode II be used to gathering II phase of induction coil of the lightening pulse signal of telecommunication
Connection;One end of described arc electrode II is connected with connection gold utensil II, and the other end sequentially passes through the induction coil II, line of induction
Circle I extends to the neighbouring position between I gentle ball trigger bit II of gas ball trigger bit, and points to the striking of multi-break arc-control device
Electrode I.
In the present invention, by the multi-break arc extinguishing that can carry out independent arc extinguishing is respectively installed at the two ends of insulator chain
Device and pressure-bearing type arc-control device, significantly enhance its arc extinguishing ability, are capable of the development of depth suppression arc energy, effectively solve
Determine strong in part minefield, area with more lightning activities, the phenomenon such as electric arc is difficult to extinguish, can restrike, it is ensured that the safety of transmission line of electricity, Ke Yiwen
It is fixed to work;And after the arc extinguishing gas ball of pressure-bearing type arc-control device has been used, if having little time to supplement, multi-break arc-control device
Arc extinguishing can also be carried out, the safety of transmission line of electricity is protected to the full extent.The multi-break arc-control device of the present invention, in apparatus main body
Inside is provided with Z-shape arc extinguishing path, not only extends arc extinguishing path, slenderizing electric arc, and possesses multiple outlets
Breakpoint, makes electric arc easily extinguish and not resume combustion;Copper billet is provided with the junction of arc extinguishing passage adjacent two-by-two, can be effective
Limit arc path, it is ensured that electric arc carries out flashover according to the arc extinguishing path of setting, improve the arc extinction performance of lightning protection device.The present invention's
Inner space divide into two storage magazines by pressure-bearing type arc-control device, and vertical track is provided with storage magazine, then will
Arc extinguishing gas ball is laterally discharged on vertical track, and amount of storage of the arc extinguishing gas ball in storage magazine can be so significantly greatly increased,
Inclined prepared track is set in vertical rail base, is easy to arc extinguishing gas ball to be snapped down to trigger bit;And trigger electrode is set respectively
Put in the both sides of trigger bit, optimize former structure(, at the top of trigger bit, another is in side for one trigger electrode), this
The convenient arc extinguishing gas ball of sample enters trigger bit, and arc extinguishing gas ball can be made to form more reliable electrical connection with trigger electrode.
As further illustrating for the present invention, the I gentle ball of gas ball trigger bit in above-described pressure-bearing type arc-control device
There is difference in height in trigger bit II.Can so prevent in multiple thunderbolt, almost triggering causes two to the arc extinguishing gas ball of both sides simultaneously
Send out the phenomenon that arc extinguishing gas ball is mutually blocked in arc extinguishing cylinder.
Used as further illustrating for the present invention, above-described pressure-bearing type arc-control device also includes being respectively and fixedly installed to horizontal stroke
Put the digit counter I and digit counter II of formula arc-control device outer surface;Meter is provided with the prepared track I that magazine is stored up in left side
Press points I are counted, and counts press points I and be connected with the drive shaft of digit counter I by connecting rod;Magazine is stored up on right side
Preparation track II is provided with counting press points II, and counts press points II by connecting rod and the drive shaft of digit counter II
It is connected.
Increase by two enumerators, respectively the trigger action of left and right storage magazine is counted, attendant can be so allowed
Intuitively know the arc extinguishing gas ball surpluses in storage magazine, be easy to carry out more changing device in advance or supplement the preparation of arc extinguishing gas ball.
Arrange on preparation track and count press points, slide when there is arc extinguishing gas ball to roll, arc extinguishing gas ball is through counting press points, digital counting
The pointer of device is walked about a lattice, so as to count once.
Used as further illustrating for the present invention, above-described arc extinguishing gas ball is provided with shell;Described shell is provided with two
Symmetric design the breach in inverted V-shaped, are provided with connection electrode at the top of breach;Described arc extinguishing gas ball is in gas ball trigger bit
I or gas ball trigger bit II, the connection electrode of arc extinguishing gas ball is connected with trigger electrode I or trigger electrode II, defines and trigger back
Road I or trigger circuit II.Specifically, when described arc extinguishing gas ball is from preparation track into gas ball trigger bit, arc extinguishing gas ball
Breach on the shell electrode that is triggered is held, and under arc extinguishing gas ball self gravitation effect, arc extinguishing gas ball is switched to erect by laterally downslide
To into gas ball trigger bit, the connection electrode of arc extinguishing gas ball carries out reliable contacts with the trigger electrode of gas ball trigger bit.Inverted V-shaped
Breach can allow arc extinguishing gas ball when the electrode that is triggered is held, and rotate freely, further move down, until trigger electrode holds breach
Top, form reliable contacts with the connection electrode of arc extinguishing gas ball and be connected.The bottom of two inverted V-shaped breach is connected, that is, retain
The casing part got off is V-shaped.
Used as further illustrating for the present invention, the vertical rail that magazine and/or right side storage magazine are stored up on the left of the above sets
Have more than two row, and two-by-two between vertical rail by rotatable baffle separation of the same side storage magazine.Vertical rail is provided with
Some row, when last arc extinguishing gas ball in first row vertical rail is tumbled to gas ball trigger bit, first row vertical rail
And the rotatable baffle between secondary series vertical rail is pushed on one side by the arc extinguishing gas ball in secondary series vertical rail, secondary series is erected
Arc extinguishing gas ball in straight rail initially enters prepared track, waits the arc extinguishing gas ball in gas ball trigger bit to carry out trigger action
Afterwards, tumble successively to gas ball trigger bit, wait to be triggered;The arc extinguishing gas ball of vertical rail below is done in the same fashion shifting
It is dynamic.
Used as further illustrating for the present invention, the upper end of above-described rotatable baffle is hinged on pressure-bearing type arc-control device
Housing on.
As further illustrating for the present invention, the counting press points I in magazine are stored up on the left of the above and is connected on right side storage
On trigger circuit II in magazine, when arc extinguishing gas ball enters preparation track I and presses counting press points I, right side storage magazine
Interior trigger circuit II is off;After the arc extinguishing gas ball in gas ball trigger bit I carries out trigger action, depart from gas ball
Trigger bit I, follow-up arc extinguishing gas ball start to roll downslide, count press points I and are released, the trigger circuit in right side storage magazine
II is on state to be triggered, until the next arc extinguishing gas ball that left side is stored up in magazine enters gas ball trigger bit I, counts pressing
Point I is extruded by arc extinguishing gas ball, and trigger circuit II recovers off-state.
As another kind of scheme of the present invention, the II mutual locking of above-described trigger circuit I and trigger circuit.Work as side
Trigger circuit in it is to be triggered when, the trigger circuit of opposite side is shorted;When the trigger circuit of side carries out trigger action,
The trigger circuit wink of opposite side enters state to be triggered;So can ensure that thunderbolt gap very in short-term, can ensure there is corresponding
Arc extinguishing gas ball carry out trigger action, carry out gas blast arc-quenching.
Used as further illustrating for the present invention, above-described multi-break arc-control device also includes a bead enumerator;
Described bead enumerator is mainly by bead receptacle and the counting bead being placed in bead receptacle;The bead receptacle
Outlet it is corresponding with the outlet of final stage arc extinguishing passage.When multi-break arc-control device carries out action, final stage arc extinguishing
The outlet of passage still has air blast to blow out, so can be by the counting bead blowout positioned at the exit of bead receptacle.
Used as further illustrating for the present invention, above-described bead enumerator is spiral or vertical or adjustable crossmember type meter
Number device;When bead enumerator is spiral enumerator, the bead receptacle of described spiral enumerator is installed in the shape of a spiral
On the apparatus main body of multi-break arc-control device;When bead enumerator is adjustable crossmember type enumerator, described adjustable crossmember type enumerator
The bottom of the apparatus main body of multi-break arc-control device is arranged on by fixed outer ring, and the inside of bead receptacle is provided with bullet
Spring.
As further illustrating for the present invention, a baffle plate is provided with the exit of bead receptacle;Arrange baffle plate can in case
Only when lightning protection device is failure to actuate, the phenomenon of bead Automatic-falling is counted.Count bead and rower is entered using different colours or numeral
Note.The modes of emplacement for counting bead can be perpendicular to fixed outer ring, it is also possible to parallel to fixed outer ring, when device action one
Secondary, exit bead is blown one, and the spring of compression is counted just by the counting bead boost exports beside exit
Bead carry, waits next action.
Used as further illustrating for the present invention, the bottom of the apparatus main body of above-described multi-break arc-control device is built-in with
Nut I;The outer surface of described connection gold utensil I is provided with external screw thread, and is fixed piece and apparatus main body using external nut
Internal nut I is threadedly coupled.Stator is placed between nut, it is ensured that during multi-break arc-control device action, electricity
Arc walking path is nut outer surfaces, rather than internal thread, and preventing internal thread from damaging causes multi-break arc-control device to drop.
Using thread connecting mode, it is ensured that the firm connection of multi-break arc-control device, even if in the severe natural disaster day such as typhoon
Will not still rotate under gas or misplace.
Used as further illustrating for the present invention, the apparatus main body of above-described multi-break arc-control device adopts hydrophobicity material
Material is made, and the outer surface of apparatus main body is provided with full skirt;Described arc electrode I is graphite electrode;Described arc ball of leading is
Graphite bead is copper bead;Described arc-extinguishing tube is thin ceramic tubes;The both sides of described copper billet are provided with through hole.Hydrophobicity
Even if the multi-break arc-control device of material causes each arc extinguishing entrance and exit of the passage of inside to have the media such as water to enter, still can be with
Action message.
Used as further illustrating for the present invention, above-described pressure-bearing type arc-control device is provided with bearing bar, described load-bearing
One end of bar is extended to inside pressure-bearing type arc-control device, and is provided with a coulomb disk in bearing bar end.By bearing bar, pressure-bearing type
Arc-control device can be fixedly mounted on one end of insulator chain or cross-arm.
The course of work of the present invention(Operation principle):
When transmission line of electricity occurs to be struck by lightning, thunder and lightning breakdown protection gap, when there is arc flash, the multi-break of the present invention goes out
Arc device is by arc electrode by the Z-shape arc extinguishing path of electric arc introducing device body interior(Due to copper billet and leading arc ball
Striking effect, arc path is prescribed, it is impossible to flashover occurs from apparatus main body surface);When electric arc is in arc extinguishing path
During each section of arc extinguishing passage, the arc-extinguishing tube in arc extinguishing passage produces air blast because of high temperature, the flex point of electric arc is carried out blowing drawing, again
Slenderizing electric arc, makes the electric arc be more prone to be blown out and not resume combustion.Bead enumerator at arc extinguishing path outlet,
Count bead to be dropped by the blowout of air blast, realize the statistics of action frequency.It is, the multi-break arc-control device of the present invention
Triggered by lightening pulse, the preferential development track for attracting, control and change lightning impulse electric arc makes impact electric arc by arc extinguishing
After pipe strong compression, bending, high axle barometric gradient is produced in arc-extinguishing tube, electric arc is sprayed to extraneous from arc-extinguishing tube,
Make electric arc fracture be produced in multiple spot, form the segmentation electric arc of large scale in overall arc extinguishing structure, so as to arc energy weakens, extinguish
Electric arc.
Meanwhile, the pressure-bearing type arc-control device of the present invention adopts internal symmetry bulk flow line type structure, more than, arc extinguishing gas ball
It is arranged on the prepared track of vertical track and ramped shaped, by action of gravity, upset is into gas ball for first arc extinguishing gas ball
Trigger bit, waits to be triggered;And after the arc extinguishing gas ball of side is triggered, the arc extinguishing gas ball of opposite side carries out state to be triggered.When
When coil, coil-induced current trigger arc extinguishing gas ball, arc extinguishing gas ball produce huge air-flow and block electric arc lightening pulse, make
Arc temperature is reduced, and arc energy fully cannot feed, arc extinction;Arc extinguishing gas ball below is again by first arc extinguishing
Gas ball reaches the mode of gas ball trigger bit in place, and wait is struck by lightning next time, carries out trigger action.
Advantages of the present invention:
1. simple structure, reasonable in design, the amount of storage of arc extinguishing gas ball is more, arc extinguishing ability is strong, stable and reliable in work.The present invention
Multi-break arc-control device and pressure-bearing type arc-control device are combined use, arc extinguishing action are carried out simultaneously in electric arc both sides, can be with
Effectively suppress electric arc, even if running into strong thunderbolt or instant multiple thunderbolt, can also reach protective action.In multi-break arc-control device
The arc extinguishing path of Z-shape circulation arrangement is set inside apparatus main body, and is provided with copper billet and is led arc ball, effectively define electric arc
Path, ensures that electric arc is expanded through multi-drawing, and electric arc forms multibreak, rapid to extinguish and phenomenon of not restriking.This
The inside of bright pressure-bearing type arc-control device adopts symmetrical bulk flow line type structure, and arc extinguishing gas ball can be placed on both sides;In storage bullet
Vertical track and inclined prepared track are set in storehouse, then arc extinguishing gas ball is laterally discharged, not only in apparatus main body size not
In the case of change, the amount of storage that increased arc extinguishing gas ball is more, and using the self gravitation of arc extinguishing gas ball, you can realize arc extinguishing gas
Ball is snapped down to gas ball trigger bit, it is not necessary to still further increases actuating unit, greatly optimizes the structure inside apparatus main body.
2. countable, it is easy to later maintenance, changes.Bead enumerator is set at arc extinguishing path outlet, by action one
It is secondary, blow off one and count bead;Digit counter is set in pressure-bearing type arc-control device and press points are counted, arc extinguishing is equally have recorded
The trigger action number of times of gas ball.Such that it is able to allow attendant quickly intuitively to know action frequency, current action number of times, remain
Remaining action frequency etc., is easy in time lightning protection device be carried out changing, safeguarded, it is ensured that the operation duration of lightning protection device.
Description of the drawings
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the structural representation of multi-break arc-control device in one embodiment of the invention.
Fig. 3 is arc extinguishing path schematic diagram in multi-break arc-control device in one embodiment of the invention.
Fig. 4 is the schematic diagram of arc channel in multi-break arc-control device in one embodiment of the invention.
Fig. 5 is the structural representation of pressure-bearing type arc-control device in one embodiment of the invention.
Reference:
1- insulators, 2- multi-break arc-control devices, 3- pressure-bearing type arc-control devices, 201- apparatus main bodies, 202- arc electrodes
I, 203- copper billet, 204- arc extinguishings path, 205- full skirts, 206- fix outer ring, and 207- bead receptacles, 208- count bead,
209- springs, 210- arc extinguishing passages, 211- lead arc ball, 212- arc-extinguishing tubes, 301- vertical rails, 302- rotatable baffles, 303-
Arc extinguishing gas ball, 304- counting press points I, 305- digit counters I, 306- trigger electrodes I, 307- gas balls trigger bit I, 308- draws
Arc electrode II, 309- gas balls trigger bit II, 310- trigger electrodes II, 311- digit counters II, 312- count press points II,
313- induction coils I, 314- induction coils II, 315- bearing bars, 316- coulomb disks.
Specific embodiment
The present invention is further described below in conjunction with the accompanying drawings.
Embodiment 1:
As Figure 1-5, a kind of combination cropper, is fixedly mounted on including connection gold utensil I, connection gold utensil II is passed through respectively
The multi-break arc-control device 2 and pressure-bearing type arc-control device 3 at 1 two ends of insulator;Wherein,
Described multi-break arc-control device 2 includes apparatus main body 201 and arc electrode I 202;Described arc electrode I 202
One end of apparatus main body 201 is fixedly mounted on, and points to pressure-bearing type arc-control device 3, the other end of apparatus main body 201 is by connection
Gold utensil I is fixedly mounted on one end of insulator 1;Described apparatus main body 201 be provided be made up of some sections of arc extinguishing passages 210 and
The arc extinguishing path 204 of Z-shape circulation arrangement;Copper billet 203 is provided with the junction of arc extinguishing passage 210 adjacent two-by-two, and often
One section of arc extinguishing passage 210 is placed with two arc-extinguishing tubes 212, is provided with one and leads arc ball 211 between the two arc-extinguishing tubes 212;Institute
State the arc-extinguishing tube at the first paragraph arc extinguishing feeder connection in arc extinguishing path 204 to be connected with arc electrode I 202 by arc guide rod, most
The arc-extinguishing tube of latter section of arc extinguishing channel exit is connected with connection gold utensil I by wire;
The inside of described pressure-bearing type arc-control device 3 is provided with left side storage magazine, right side storage magazine and arc electrode II 308;
Described left side is stored up magazine, right side storage magazine and is equipped with for the horizontal vertical rail 301 for discharging arc extinguishing gas ball 303, and
The bottom of vertical rail 301 is respectively equipped with the prepared track I in ramped shaped and preparation track II;The prepared rail of magazine is stored up in left side
The end in road I is provided with gas ball trigger bit I 307, and gas ball trigger bit I 307 is respectively provided on two sides with trigger electrode I 306, trigger electrode
I 306 are connected with the induction coil I 313 for gathering the lightening pulse signal of telecommunication;The end of the prepared track II of magazine is stored up on right side
End is provided with gas ball trigger bit II 309, and gas ball trigger bit II 309 is respectively provided on two sides with trigger electrode II 310, trigger electrode II
310 are connected with the induction coil II 314 for gathering the lightening pulse signal of telecommunication;One end of described arc electrode II 308 with
Connection gold utensil II is connected, and the other end sequentially passes through induction coil II 314, induction coil I 313 and extends to gas ball trigger bit I 307
Neighbouring position between gentle ball trigger bit II 309, and point to the arc electrode I 202 of multi-break arc-control device 2.
Described pressure-bearing type arc-control device 3 also includes the numeral for being respectively and fixedly installed to 3 outer surface of pressure-bearing type arc-control device
Enumerator I 305 and digit counter II 311;Counting press points I 304 are provided with the prepared track I that magazine is stored up in left side, and
Count press points I 304 to be connected with the drive shaft of digit counter I 305 by connecting rod;The prepared track of magazine is stored up on right side
II is provided with counting press points II 312, and counts driving of the press points II 312 by connecting rod and digit counter II 311
Axle is connected.
Described arc extinguishing gas ball 303 is provided with shell;Described shell is provided with two symmetric designs the breach in inverted V-shaped,
Connection electrode is provided with the top of breach;Described arc extinguishing gas ball 303 is in gas ball trigger bit I 307 or gas ball trigger bit II
309, the connection electrode of arc extinguishing gas ball 303 is connected with trigger electrode I 306 or trigger electrode II 310, defines trigger circuit I
Or trigger circuit II.Counting press points I 304 in the left side storage magazine are connected on the trigger circuit II in right side storage magazine
On, the trigger circuit when arc extinguishing gas ball 303 enters preparation track I and presses counting press points I 304, in right side storage magazine
II is off;After the arc extinguishing gas ball 303 in gas ball trigger bit I 307 carries out trigger action, depart from gas ball trigger bit
I 307, follow-up arc extinguishing gas ball 303 starts to roll downslide, counts press points I 304 and is released, the triggering in right side storage magazine
Loop II is on state to be triggered, until the next arc extinguishing gas ball 303 that left side is stored up in magazine enters gas ball trigger bit I
307, count press points I 304 and extruded by arc extinguishing gas ball 303, trigger circuit II recovers off-state.
The vertical rail 301 of the left side storage magazine and/or right side storage magazine is provided with three row, and magazine is stored up in the same side
Separated by rotatable baffle 302 between vertical rail two-by-two.The upper end of described rotatable baffle 302 is hinged on pressure-bearing type and goes out
On the housing of arc device 3.
Described multi-break arc-control device 2 also includes a bead enumerator;Described bead enumerator is mainly by bead
Receptacle 207 and the counting bead 208 being placed in bead receptacle 207;The outlet of the bead receptacle 207 and last
The outlet of section arc extinguishing passage is corresponding.Described bead enumerator is adjustable crossmember type enumerator;Described adjustable crossmember type enumerator passes through
Fixed outer ring 206 is arranged on the bottom of the apparatus main body 201 of multi-break arc-control device 2, and the inside of bead receptacle 207 sets
There is spring 209.
The bottom of the apparatus main body 201 of described multi-break arc-control device 2 is built-in with nut I;Described connection gold utensil I
Outer surface is provided with external screw thread, and is fixed piece using external nut and carries out screw thread company with the nut I inside apparatus main body 201
Connect.The apparatus main body 201 of described multi-break arc-control device 2 is made using hydrophobic material, and the appearance of apparatus main body 201
Face is provided with full skirt 205;Described arc electrode I 202 is graphite electrode;Described arc ball 211 of leading is graphite bead or is copper
Matter bead;Described arc-extinguishing tube 212 is thin ceramic tubes;The both sides of described copper billet 203 are provided with through hole.
Described pressure-bearing type arc-control device 3 is provided with bearing bar 315, and one end of described bearing bar 315 extends to pressure-bearing type
Inside arc-control device 3, and coulomb disk 316 is provided with 315 end of bearing bar.
Embodiment 2:
A kind of combination cropper, is fixedly mounted on 1 two ends of insulator including connection gold utensil I, connection gold utensil II is passed through respectively
Multi-break arc-control device 2 and pressure-bearing type arc-control device 3;Wherein,
Described multi-break arc-control device 2 includes apparatus main body 201 and arc electrode I 202;Described arc electrode I 202
One end of apparatus main body 201 is fixedly mounted on, and points to pressure-bearing type arc-control device 3, the other end of apparatus main body 201 is by connection
Gold utensil I is fixedly mounted on one end of insulator 1;Described apparatus main body 201 be provided be made up of some sections of arc extinguishing passages 210 and
The arc extinguishing path 204 of Z-shape circulation arrangement;Copper billet 203 is provided with the junction of arc extinguishing passage 210 adjacent two-by-two, and often
One section of arc extinguishing passage 210 is placed with two arc-extinguishing tubes 212, is provided with one and leads arc ball 211 between the two arc-extinguishing tubes 212;Institute
State the arc-extinguishing tube at the first paragraph arc extinguishing feeder connection in arc extinguishing path 204 to be connected with arc electrode I 202 by arc guide rod, most
The arc-extinguishing tube of latter section of arc extinguishing channel exit is connected with connection gold utensil I by wire;
The inside of described pressure-bearing type arc-control device 3 is provided with left side storage magazine, right side storage magazine and arc electrode II 308;
Described left side is stored up magazine, right side storage magazine and is equipped with for the horizontal vertical rail 301 for discharging arc extinguishing gas ball 303, and
The bottom of vertical rail 301 is respectively equipped with the prepared track I in ramped shaped and preparation track II;The prepared rail of magazine is stored up in left side
The end in road I is provided with gas ball trigger bit I 307, and gas ball trigger bit I 307 is respectively provided on two sides with trigger electrode I 306, trigger electrode
I 306 are connected with the induction coil I 313 for gathering the lightening pulse signal of telecommunication;The end of the prepared track II of magazine is stored up on right side
End is provided with gas ball trigger bit II 309, and gas ball trigger bit II 309 is respectively provided on two sides with trigger electrode II 310, trigger electrode II
310 are connected with the induction coil II 314 for gathering the lightening pulse signal of telecommunication;One end of described arc electrode II 308 with
Connection gold utensil II is connected, and the other end sequentially passes through induction coil II 314, induction coil I 313 and extends to gas ball trigger bit I 307
Neighbouring position between gentle ball trigger bit II 309, and point to the arc electrode I 202 of multi-break arc-control device 2.
Described pressure-bearing type arc-control device 3 also includes the numeral for being respectively and fixedly installed to 3 outer surface of pressure-bearing type arc-control device
Enumerator I 305 and digit counter II 311;Counting press points I 304 are provided with the prepared track I that magazine is stored up in left side, and
Count press points I 304 to be connected with the drive shaft of digit counter I 305 by connecting rod;The prepared track of magazine is stored up on right side
II is provided with counting press points II 312, and counts driving of the press points II 312 by connecting rod and digit counter II 311
Axle is connected.
Described arc extinguishing gas ball 303 is provided with shell;Described shell is provided with two symmetric designs the breach in inverted V-shaped,
Connection electrode is provided with the top of breach;Described arc extinguishing gas ball 303 is in gas ball trigger bit I 307 or gas ball trigger bit II
309, the connection electrode of arc extinguishing gas ball 303 is connected with trigger electrode I 306 or trigger electrode II 310, defines trigger circuit I
Or trigger circuit II.Counting press points I 304 in the left side storage magazine are connected on the trigger circuit II in right side storage magazine
On, the trigger circuit when arc extinguishing gas ball 303 enters preparation track I and presses counting press points I 304, in right side storage magazine
II is off;After the arc extinguishing gas ball 303 in gas ball trigger bit I 307 carries out trigger action, depart from gas ball trigger bit
I 307, follow-up arc extinguishing gas ball 303 starts to roll downslide, counts press points I 304 and is released, the triggering in right side storage magazine
Loop II is on state to be triggered, until the next arc extinguishing gas ball 303 that left side is stored up in magazine enters gas ball trigger bit I
307, count press points I 304 and extruded by arc extinguishing gas ball 303, trigger circuit II recovers off-state.
The vertical rail 301 of the left side storage magazine and/or right side storage magazine is provided with two row, and magazine is stored up in the same side
Separated by rotatable baffle 302 between vertical rail two-by-two.The upper end of described rotatable baffle 302 is hinged on pressure-bearing type and goes out
On the housing of arc device 3.
Described multi-break arc-control device 2 also includes a bead enumerator;Described bead enumerator is mainly by bead
Receptacle 207 and the counting bead 208 being placed in bead receptacle 207;The outlet of the bead receptacle 207 and last
The outlet of section arc extinguishing passage is corresponding.Described bead enumerator is spiral enumerator;Described spiral enumerator it is little
Ball receptacle 207 is in the shape of a spiral on the apparatus main body 201 of multi-break arc-control device 2;
The bottom of the apparatus main body 201 of described multi-break arc-control device 2 is built-in with nut I;Described connection gold utensil I
Outer surface is provided with external screw thread, and is fixed piece using external nut and carries out screw thread company with the nut I inside apparatus main body 201
Connect.The apparatus main body 201 of described multi-break arc-control device 2 is made using hydrophobic material, and the appearance of apparatus main body 201
Face is provided with full skirt 205;Described arc electrode I 202 is graphite electrode;Described arc ball 211 of leading is graphite bead or is copper
Matter bead;Described arc-extinguishing tube 212 is thin ceramic tubes;The both sides of described copper billet 203 are provided with through hole.
Embodiment 3:
A kind of combination cropper, is fixedly mounted on 1 two ends of insulator including connection gold utensil I, connection gold utensil II is passed through respectively
Multi-break arc-control device 2 and pressure-bearing type arc-control device 3;Wherein,
Described multi-break arc-control device 2 includes apparatus main body 201 and arc electrode I 202;Described arc electrode I 202
One end of apparatus main body 201 is fixedly mounted on, and points to pressure-bearing type arc-control device 3, the other end of apparatus main body 201 is by connection
Gold utensil I is fixedly mounted on one end of insulator 1;Described apparatus main body 201 be provided be made up of some sections of arc extinguishing passages 210 and
The arc extinguishing path 204 of Z-shape circulation arrangement;Copper billet 203 is provided with the junction of arc extinguishing passage 210 adjacent two-by-two, and often
One section of arc extinguishing passage 210 is placed with two arc-extinguishing tubes 212, is provided with one and leads arc ball 211 between the two arc-extinguishing tubes 212;Institute
State the arc-extinguishing tube at the first paragraph arc extinguishing feeder connection in arc extinguishing path 204 to be connected with arc electrode I 202 by arc guide rod, most
The arc-extinguishing tube of latter section of arc extinguishing channel exit is connected with connection gold utensil I by wire;
The inside of described pressure-bearing type arc-control device 3 is provided with left side storage magazine, right side storage magazine and arc electrode II 308;
Described left side is stored up magazine, right side storage magazine and is equipped with for the horizontal vertical rail 301 for discharging arc extinguishing gas ball 303, and
The bottom of vertical rail 301 is respectively equipped with the prepared track I in ramped shaped and preparation track II;The prepared rail of magazine is stored up in left side
The end in road I is provided with gas ball trigger bit I 307, and gas ball trigger bit I 307 is respectively provided on two sides with trigger electrode I 306, trigger electrode
I 306 are connected with the induction coil I 313 for gathering the lightening pulse signal of telecommunication;The end of the prepared track II of magazine is stored up on right side
End is provided with gas ball trigger bit II 309, and gas ball trigger bit II 309 is respectively provided on two sides with trigger electrode II 310, trigger electrode II
310 are connected with the induction coil II 314 for gathering the lightening pulse signal of telecommunication;One end of described arc electrode II 308 with
Connection gold utensil II is connected, and the other end sequentially passes through induction coil II 314, induction coil I 313 and extends to gas ball trigger bit I 307
Neighbouring position between gentle ball trigger bit II 309, and point to the arc electrode I 202 of multi-break arc-control device 2.
Described pressure-bearing type arc-control device 3 also includes the numeral for being respectively and fixedly installed to 3 outer surface of pressure-bearing type arc-control device
Enumerator I 305 and digit counter II 311;Counting press points I 304 are provided with the prepared track I that magazine is stored up in left side, and
Count press points I 304 to be connected with the drive shaft of digit counter I 305 by connecting rod;The prepared track of magazine is stored up on right side
II is provided with counting press points II 312, and counts driving of the press points II 312 by connecting rod and digit counter II 311
Axle is connected.
Described arc extinguishing gas ball 303 is provided with shell;Described shell is provided with two symmetric designs the breach in inverted V-shaped,
Connection electrode is provided with the top of breach;Described arc extinguishing gas ball 303 is in gas ball trigger bit I 307 or gas ball trigger bit II
309, the connection electrode of arc extinguishing gas ball 303 is connected with trigger electrode I 306 or trigger electrode II 310, defines trigger circuit I
Or trigger circuit II.The II mutual locking of described trigger circuit I and trigger circuit.
Described multi-break arc-control device 2 also includes a bead enumerator;Described bead enumerator is mainly by bead
Receptacle 207 and the counting bead 208 being placed in bead receptacle 207;The outlet of the bead receptacle 207 and last
The outlet of section arc extinguishing passage is corresponding.Described bead enumerator is vertical enumerator.
The bottom of the apparatus main body 201 of described multi-break arc-control device 2 is built-in with nut I;Described connection gold utensil I
Outer surface is provided with external screw thread, and is fixed piece using external nut and carries out screw thread company with the nut I inside apparatus main body 201
Connect.The apparatus main body 201 of described multi-break arc-control device 2 is made using hydrophobic material, and the appearance of apparatus main body 201
Face is provided with full skirt 205;Described arc electrode I 202 is graphite electrode;Described arc ball 211 of leading is graphite bead or is copper
Matter bead;Described arc-extinguishing tube 212 is thin ceramic tubes;The both sides of described copper billet 203 are provided with through hole.
Claims (9)
1. a kind of combination cropper, is fixedly mounted on insulator including connection gold utensil I, connection gold utensil II is passed through respectively(1)Two ends
Multi-break arc-control device(2)With pressure-bearing type arc-control device(3);It is characterized in that:Described multi-break arc-control device(2)Including
Apparatus main body(201)With arc electrode I(202);Described arc electrode I(202)It is fixedly mounted on apparatus main body(201)One
End, and point to pressure-bearing type arc-control device(3), apparatus main body(201)The other end insulator is fixedly mounted on by connection gold utensil I
(1)One end;Described apparatus main body(201)It is provided with by some sections of arc extinguishing passages(210)Composition and it is Z-shape circulation arrangement
Arc extinguishing path(204);In arc extinguishing passage adjacent two-by-two(210)Junction be provided with copper billet(203), and each section of arc extinguishing is logical
Road(210)Two arc-extinguishing tubes are placed with(212), in the two arc-extinguishing tubes(212)Between be provided with one and lead arc ball(211);It is described
Arc extinguishing path(204)First paragraph arc extinguishing feeder connection at arc-extinguishing tube by arc guide rod and arc electrode I(202)It is connected,
The arc-extinguishing tube of final stage arc extinguishing channel exit is connected with connection gold utensil I;
Described pressure-bearing type arc-control device(3)Inside be provided with left side storage magazine, right side storage magazine and arc electrode II(308);
Store up magazine, right side storage magazine and be equipped with for laterally discharge arc extinguishing gas ball in described left side(303)Vertical rail(301), and
And in vertical rail(301)Bottom be respectively equipped with the prepared track I in ramped shaped and preparation track II;Magazine is stored up in left side
The end of preparation track I is provided with gas ball trigger bit I(307), gas ball trigger bit I(307)Be respectively provided on two sides with trigger electrode I
(306), trigger electrode I(306)With for gathering the induction coil I of the lightening pulse signal of telecommunication(313)It is connected;Bullet is stored up on right side
The end of the prepared track II in storehouse is provided with gas ball trigger bit II(309), gas ball trigger bit II(309)Be respectively provided on two sides with triggering
Electrode II(310), trigger electrode II(310)With for gathering the induction coil II of the lightening pulse signal of telecommunication(314)It is connected;Institute
The arc electrode II stated(308)One end be connected with connection gold utensil II, the other end sequentially passes through induction coil II(314), sense
Answer coil I(313)Extend to gas ball trigger bit I(307)Gentle ball trigger bit II(309)Between neighbouring position, and point to
Multi-break arc-control device(2)Arc electrode I(202);
Described multi-break arc-control device(2)Apparatus main body(201)Made using hydrophobic material, and apparatus main body
(201)Outer surface be provided with full skirt(205);Described arc electrode I(202)For graphite electrode;Described leads arc ball(211)For
Graphite bead is copper bead;Described arc-extinguishing tube(212)For thin ceramic tubes;Described copper billet(203)Both sides be provided with
Through hole;
Described pressure-bearing type arc-control device(3)It is provided with bearing bar (315), one end of described bearing bar (315) extends to horizontal
Formula arc-control device(3)Inside, and a coulomb disk (316) is provided with bearing bar (315) end.
2. combination cropper according to claim 1, it is characterised in that:Described pressure-bearing type arc-control device(3)Also include
It is respectively and fixedly installed to pressure-bearing type arc-control device(3)The digit counter I of outer surface(305)With digit counter II(311);
The prepared track I of left side storage magazine is provided with counting press points I(304), and count press points I(304)By connecting rod with
Digit counter I(305)Drive shaft be connected;Counting press points II are provided with the prepared track II that magazine is stored up on right side
(312), and count press points II(312)By connecting rod and digit counter II(311)Drive shaft be connected.
3. combination cropper according to claim 2, it is characterised in that:Described arc extinguishing gas ball(303)It is provided with shell;Institute
The shell stated is provided with two symmetric designs the breach in inverted V-shaped, at the top of breach is provided with connection electrode;Described arc extinguishing gas
Ball(303)In gas ball trigger bit I(307)Or gas ball trigger bit II(309), arc extinguishing gas ball(303)Connection electrode with triggering
Electrode I(306)Or trigger electrode II(310)It is connected, defines trigger circuit I or trigger circuit II.
4. combination cropper according to claim 3, it is characterised in that:The left side storage magazine and/or right side storage magazine
Vertical rail(301)It is provided with more than two row, and two-by-two between vertical rail by rotatable baffle of the same side storage magazine
(302)Separate.
5. combination cropper according to claim 4, it is characterised in that:Described rotatable baffle(302)Upper end hinge
It is connected on pressure-bearing type arc-control device(3)Housing on.
6. combination cropper according to claim 3, it is characterised in that:Counting press points I in the left side storage magazine
(304)It is connected on the trigger circuit II in right side storage magazine, when arc extinguishing gas ball(303)Track I meter is press into preparation
Number press points I(304)When, the trigger circuit II in right side storage magazine is off;When in gas ball trigger bit I(307)
Arc extinguishing gas ball(303)After carrying out trigger action, depart from gas ball trigger bit I(307), follow-up arc extinguishing gas ball(303)Start rolling
It is dynamic to glide, count press points I(304)It is released, the trigger circuit II in right side storage magazine is on state to be triggered, directly
Next arc extinguishing gas ball in magazine is stored up to left side(303)Into gas ball trigger bit I(307), count press points I(304)Gone out
Arc gas ball(303)Extruding, trigger circuit II recover off-state.
7. combination cropper according to claim 1, it is characterised in that:Described multi-break arc-control device(2)Also include
One bead enumerator;Described bead enumerator is mainly by bead receptacle(207)Be placed on bead receptacle(207)It is interior
Counting bead(208);The bead receptacle(207)Outlet it is corresponding with the outlet of final stage arc extinguishing passage.
8. combination cropper according to claim 7, it is characterised in that:Described bead enumerator is spiral or vertical
Formula or adjustable crossmember type enumerator;When bead enumerator is spiral enumerator, the bead receptacle of described spiral enumerator
(207)Multi-break arc-control device is arranged in the shape of a spiral(2)Apparatus main body(201)On;When bead enumerator is adjustable crossmember type meter
During number device, described adjustable crossmember type enumerator is by fixed outer ring(206)Installed in multi-break arc-control device(2)Apparatus main body
(201)Bottom, and bead receptacle(207)Inside be provided with spring(209).
9. combination cropper according to claim 8, it is characterised in that:Described multi-break arc-control device(2)Device
Main body(201)Bottom be built-in with nut I;The outer surface of described connection gold utensil I is provided with external screw thread, and adopts external nut
It is fixed piece and apparatus main body(201)Internal nut I is threadedly coupled.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510069068.XA CN104701741B (en) | 2015-02-10 | 2015-02-10 | A kind of combination cropper |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510069068.XA CN104701741B (en) | 2015-02-10 | 2015-02-10 | A kind of combination cropper |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104701741A CN104701741A (en) | 2015-06-10 |
CN104701741B true CN104701741B (en) | 2017-03-29 |
Family
ID=53348616
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510069068.XA Active CN104701741B (en) | 2015-02-10 | 2015-02-10 | A kind of combination cropper |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104701741B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112072472B (en) * | 2020-08-31 | 2022-01-25 | 广东电网有限责任公司 | Arc extinguishing lightning arrester |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4503414A (en) * | 1983-06-20 | 1985-03-05 | Sykes Huey P | Current interrupting lightning arrester isolator |
DE19816506B4 (en) * | 1998-04-14 | 2008-04-30 | Abb Research Ltd. | breakers |
CN102263376A (en) * | 2010-05-25 | 2011-11-30 | 王巨丰 | Gas arc extinguishing apparatus |
CN102856021B (en) * | 2012-09-27 | 2014-11-05 | 王巨丰 | Follow current-free arc lightening-protection gap protection device |
CN103594210B (en) * | 2013-11-13 | 2015-10-28 | 王巨丰 | Multiple level self-expanding air blast is vertical blows out arc lightning protection device |
CN204361481U (en) * | 2015-02-10 | 2015-05-27 | 王巨丰 | A kind of combination cropper |
-
2015
- 2015-02-10 CN CN201510069068.XA patent/CN104701741B/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN104701741A (en) | 2015-06-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106451078B (en) | Electric arc compresses arc extinguishing lightning protection clearance apparatus | |
CN106451077B (en) | Thunder and lightning induction type solid phase arc extinguishing lightning protection device | |
CN104701743B (en) | Countable cut arc lightning arrester | |
CN106451079B (en) | A kind of compression synthesis in solid state arc extinguishing lightning protection device | |
CN104700967B (en) | A kind of multistage electric arc blocks lightning protection device | |
CN104701735B (en) | Repeat thunder and cut arc lightning protection device | |
CN104701741B (en) | A kind of combination cropper | |
CN204361481U (en) | A kind of combination cropper | |
CN204360854U (en) | A kind of multistage electric arc blocks lightning protection device | |
CN106374338B (en) | A kind of solid phase formula line span center lightning stroke flashover arc extinguishing lightning protection device | |
CN206041200U (en) | Thunder and lightning induction type solid phase arc extinguishing lightning protection device | |
CN104299732A (en) | Gravity driving type bomb replacing arc extinguishing device | |
CN104319037A (en) | Rail sliding type arc extinguisher | |
CN204361483U (en) | A kind of count enable cuts arc lightning protection device | |
CN105186290B (en) | Arc extinguishing lightning protection device capable of excluding bomb jamming | |
CN204361478U (en) | A kind of section arc formula lightning arrester | |
CN208923556U (en) | Multi-center selection compresses arc extinguishing lightning protection device | |
CN205016832U (en) | Arc extinguishing lightning protection device that can get rid of card bullet | |
CN103474183B (en) | The even pressure type degree of depth suppresses power frequency continued flow electric arc lightning protection inter space device | |
CN104701736B (en) | A kind of countable pair is blocked lightning protection device | |
CN205104759U (en) | Repeat thunder and cut arc lightning protection device | |
CN206041201U (en) | Electric arc compression arc extinguishing lightning protection gap device | |
CN204361477U (en) | A kind of count enable is two blocks lightning protection device | |
CN206480913U (en) | One kind compression synthesis in solid state arc extinguishing lightning protection device | |
CN204361480U (en) | A kind of transversal formula lightning arrester |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |