CN104701741A - Combination cutter - Google Patents
Combination cutter Download PDFInfo
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- CN104701741A CN104701741A CN201510069068.XA CN201510069068A CN104701741A CN 104701741 A CN104701741 A CN 104701741A CN 201510069068 A CN201510069068 A CN 201510069068A CN 104701741 A CN104701741 A CN 104701741A
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- arc
- control device
- gas ball
- electrode
- arc extinguishing
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Abstract
The invention discloses a combination cutter. The combination cutter comprises an arc extinction device with multiple breaks and a horizontal type arc extinction device, which are fixedly installed at two ends of an insulator respectively through a connection armor clamp I and a connection armor clamp II, wherein an arc extinction route composed of multiple segments of arc extinction channels and arranged in Z-shaped circulation mode is arranged on a main body of the arc extinction device with the multiple breaks, a left side bullet storage bin, a right side bullet storage bin and an arc strike electrode II are arranged in the horizontal type arc extinction device, vertical rails used to transversely place arc extinction gas bullets are arranged in the left side bullet storage bin and the right side bullet storage bin, a preparation rail in a slope shape is arranged at the bottom of each vertical rail, and a gas bullet trigger position is arranged at the tail end of each preparation rail. The combination cutter is simple in structure, reasonable in design, strong in arc extinction ability, stable and reliable in work, capable of counting, and convenient to maintain and replace in a later period.
Description
Technical field
The present invention relates to a kind of lightning protection device of transmission line, particularly relate to a kind of combination cropper.
Background technology
Thunder and lightning is the key factor affecting power transmission line safety, and occupying the first place of line fault tripping operation for a long time, is the natural process of atmospheric events, also uncontrollable so far.But we by analyzing normal accident of sending out, can find thunderbolt rule, strengthen to guard against.As being in, lofty mountains and steep hills or the shaft tower of summit, be in pool or near reservoir transmission line, cross over the mountain ridge or rivers and lakes shaft tower and be arranged on the high shaft tower of earth resistance and rock column foot and power transmission line etc. are all subject to thunderbolt to destroy emphasis.
Thunder and lightning strike can bring multi-form damage and fracture to electric power facility, thundercloud discharge can cause Lightning Over-voltage in electric power system, and overvoltage common in overhead transmission line has thunderbolt directly to impact by the overvoltage of electromagnetic induction on power transmission line and thunder and lightning the overvoltage produced on wire near overhead wire.Thunderbolt causes overvoltage, may cause damage to insulator, power transmission line; Thunderbolt causes insulator arc-over to discharge, and can burn be caused to come off to porcelain surface or cause pattern cracking to glass insulator, dielectric strength is significantly reduced; Thunder and lightning impact, on power transmission line or lightning conducter, may cause disconnected stock even to rupture, transmission of electricity work cannot be carried out.
Transmission line lightning protection always is the important content of power department Thunder Protection, and lightning fault remains one of key factor affecting power grid security.The impulse flashover that transmission line causes when there is thunderbolt, causes line insulator flashover, then produces very large power frequency continued flow, damages insulator string and gold utensil, causes line accident.This power department is generally adopted and installs line thunder protection device additional to realize protection at transmission line.
Electric arc is the free gas of high temperature high conductivity, is eliminated by electric arc, is called for short arc extinguishing.Arc extinguishing has multiple method, is mostly to use certain gas or liquid to bear main rupturing duty.
Lightning protection device be one can discharge thunder and lightning or hold concurrently can discharge power system operation overvoltage energy, protection electrical equipment endanger from instantaneous overvoltage, can afterflow be blocked again, avoid the electrical installation causing system earth short circuit.
As the patent No. a kind of 10 ~ 35kV overhead transmission line constraint space gas jet arc extinguishing lightning protection clearance apparatus being applicable to 10 ~ 35kV overhead transmission line disclosed in 201110090288.2, and for example the patent No. is the 200710066259.6 disclosed constraint space jet-stream wind arc extinguishing lightning protection clearance apparatus for each electric pressure transmission line, all be installed in parallel in line insulator string two ends, flashover voltage between portable protective gaps is less than protected insulator string, thus had precedence over protected insulator string when transmission line is struck by lightning and puncture, during disruptive discharge, while the gas exhausted material of constraint space inside is sharply heated produce gases at high pressure by high-temperature electric arc, the automatic collection signal of signal pickup assembly also starts gas jet generating means, produce high velocity air instantaneously longitudinally to impact electric arc, be cooled to extinguishing, its arc extinguishing ability is more weak.
As the patent No. a kind of different electric pressure segmentation arc extinguishing lightning protection clearance apparatus storehouse disclosed in 201310297789.7, have employed discoid arc extinguishing storage magazine, the bullet that gas carries out arc extinguishing can be produced after can placing a large amount of triggerings, and make arc extinguishing bullet be arranged closely in the storage bullet track of arc extinguishing storage magazine I by the twisting force of plane scroll spring, after the triggering of current arc extinguishing bullet is dropped, next is sent out can enter bullet trigger position automatically, realizes from moving bullet.Although the deficiency that before overcoming, few, the effective arc extinguishing number of times of arc extinguishing bullet is few, does not possess tally function.
If the patent No. is 201120391471.1 disclosed a kind of easy counter for lightning arresters, comprise lightning arrestor movement acquisition module, electronic switch, single-chip microcomputer and display, lightning arrestor movement acquisition module comprises a photoelectrical coupler, the input of photoelectrical coupler connects the switch contact of the heavy-current discharge protective device on lightning arrester, a connect successively filter and two schmitt inverters of its output is connected to the trigger point of electronic switch, the signal output part of electronic switch connects single, the input of sheet machine, the output of single-chip microcomputer connects display, this patent production cost is higher.
As the patent No. a kind of leakage conductor discharge counter disclosed in 201410115787.6, comprise housing, glass capping, valve block, silicon dridge type rectifier, capacitor, message register and display screen, glass capping is set to outer convex spherical formula glass capping, 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, smears fluorescent material in number simultaneously, meets the needs of night observation, counter glass capping uses evagination spherical glass instead to increase numerical monitor effect further, but opposing natural calamity ability is more weak.
Although above patent serves certain arc extinguishing protective action to lightning protection, still some shortcomings, as, for multiple thunder, arc quenching effect is not too obvious, there is phenomenon etc. of restriking, and the volume of discharge counter is larger, be difficult to be arranged in some specific occasions, anti-tampering ability is weak, easily produces error count, and data can not store, need manual record, waste a large amount of labours.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, provide that a kind of structure is simple, reasonable in design, arc extinguishing ability is strong, working stability combines cropper reliably.This combination cropper, by multi-break arc-control device and pressure-bearing type arc-control device being arranged on respectively the two ends of insulator string, forms portable protective gaps; Multi-break arc-control device inside is provided with Z-shaped arc extinguishing path, forms multiple striking outlet, the basis reducing device volume may ensure extinguish arcs greatlyr, and the fixed installation of many screw threads gold utensil, make also can not to rotate or misplace at natural calamity weather such as typhoons; Pressure-bearing type arc-control device, by arranging vertical rail, laterally placing arc extinguishing gas ball, the surface structure improving arc extinguishing gas ball etc., makes that the arc extinguishing gas ball memory space of its inside is large, arc extinguishing gas ball automatically can glide advance under self gravitation effect; Multi-break arc-control device and pressure-bearing type arc-control device cooperatively interact action arc extinguishing, and arc quenching effect is good.Meanwhile, counter coordinates with arc-control device, ensure device need change in can prepare in advance.
To achieve these goals, present invention employs following technical scheme:
A kind of combination cropper, comprises respectively by connecting gold utensil I, connecting multi-break arc-control device and pressure-bearing type arc-control device that gold utensil II is fixedly mounted on insulator two ends; Wherein, described multi-break arc-control device comprises apparatus main body and arc electrode I; Described arc electrode I is fixedly mounted on one end of apparatus main body, and points to pressure-bearing type arc-control device, and the other end of apparatus main body is fixedly mounted on one end of insulator by connecting gold utensil I; Described apparatus main body is provided with and is made up of and the arc extinguishing path of arranging in Z-shaped circulation some sections of arc extinguishing passages; Be provided with copper billet in the junction of arc extinguishing passage adjacent between two, and each section of arc extinguishing passage is all placed with two arc-extinguishing tubes, between these two arc-extinguishing tubes, is provided with one leads arc ball; The arc-extinguishing tube at the first paragraph arc extinguishing feeder connection place in described arc extinguishing path is connected with arc electrode I by arc guide rod, the arc-extinguishing tube of final stage arc extinguishing channel exit by wire be connected gold utensil I and be connected;
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; Described left side storage magazine, right side storage magazine are equipped with the vertical rail for laterally discharging arc extinguishing gas ball, and the preparation track I be respectively equipped with in the bottom of vertical rail in ramped shaped and preparation track II; Be provided with gas ball trigger bit I at the end of the preparation track I of left side storage magazine, the both sides of gas ball trigger bit I are respectively equipped with trigger electrode I, and trigger electrode I is connected with the induction coil I for gathering the lightening pulse signal of telecommunication; Be provided with gas ball trigger bit II at the end of the preparation track II of right side storage magazine, the both sides of gas ball trigger bit II are respectively equipped with trigger electrode II, and trigger electrode II is connected with the induction coil II for gathering the lightening pulse signal of telecommunication; One end of described arc electrode II be connected gold utensil II and be connected, the other end extends to the neighbouring position the gentle ball trigger bit II of gas ball trigger bit I through induction coil II, induction coil I successively, and points to the arc electrode I of multi-break arc-control device.
In the present invention, the multi-break arc-control device and pressure-bearing type arc-control device that can carry out independent arc extinguishing are installed respectively by the two ends at insulator string, significantly enhance its arc extinguishing ability, the degree of depth can suppress the development of arc energy, efficiently solve in the strong minefield of part, area with more lightning activities, the phenomenons such as electric arc not easily extinguishes, can restrike, ensure that the safety of transmission line, can steady operation; And after the arc extinguishing gas ball of pressure-bearing type arc-control device uses, if when having little time supplementary, multi-break arc-control device can also carry out arc extinguishing, protects the safety of transmission line to the full extent.Multi-break arc-control device of the present invention, is provided with in Z-shaped arc extinguishing path in apparatus main body inside, not only extends arc extinguishing path, slenderizing electric arc, and possesses multiple outlet breakpoint, electric arc more easily extinguished and not resume combustion; Be provided with copper billet in the junction of arc extinguishing passage adjacent between two, effectively can limit arc path, ensure that electric arc carries out flashover according to the arc extinguishing path of setting, improve the arc extinction performance of lightning protection device.Inner space be divide into two storage magazines by pressure-bearing type arc-control device of the present invention, and vertical track is provided with in storage magazine, again arc extinguishing gas ball transverse row is put on vertical track, greatly can add the memory space of arc extinguishing gas ball in storage magazine like this, the preparation track of inclination is set at vertical rail base, under being convenient to arc extinguishing gas ball, slides to trigger bit; And trigger electrode is separately positioned on the both sides of trigger bit, (trigger electrode is at the top of trigger bit to optimize former structure, another is in side), convenient like this arc extinguishing gas ball enters trigger bit, and arc extinguishing gas ball can be made to be formed with trigger electrode be more reliably electrically connected.
Further illustrating as of the present invention, there is difference in height in the gentle ball trigger bit II of gas ball trigger bit I in above-described pressure-bearing type arc-control device.Can prevent when multiple thunderbolt like this, the arc extinguishing gas ball of both sides almost triggers the phenomenon causing two arc extinguishing gas balls mutually to block in arc extinguishing cylinder simultaneously.
Further illustrate as of the present invention, above-described pressure-bearing type arc-control device also comprises the digit counter I and digit counter II that are fixedly mounted on pressure-bearing type arc-control device outer surface respectively; The preparation track I of left side storage magazine is provided with counting press points I, and counts press points I and be connected by the driving shaft of connecting rod with digit counter I; The preparation track II of right side storage magazine is provided with counting press points II, and counts press points II and be connected by the driving shaft of connecting rod with digit counter II.
Increase by two counters, respectively the trigger action of left and right storage magazine is counted, attendant can be allowed so intuitively to know the arc extinguishing gas ball surplus of storing up in magazine, be convenient to carry out in advance the preparation of more changing device or supplementary arc extinguishing gas ball.Preparation track arranges counting press points, and when there being arc extinguishing gas ball rolling landing, arc extinguishing gas ball is through counting press points, and the pointer of digit counter is walked about lattice, thus counts once.
Further illustrate as of the present invention, above-described arc extinguishing gas ball is provided with shell; Described shell is provided with the breach of two symmetric designs also in inverted V-shaped, is provided with connecting electrode at the top of breach; Described arc extinguishing gas ball is in gas ball trigger bit I or gas ball trigger bit II, and the connecting electrode of arc extinguishing gas ball is connected with trigger electrode I or trigger electrode II, defines and triggers loop I or trigger loop II.Specifically, when described arc extinguishing gas ball enters gas ball trigger bit from preparation track, breach on the shell of the arc extinguishing gas ball electrode that is triggered is held, under the effect of arc extinguishing gas ball self gravitation, arc extinguishing gas ball vertically enters gas ball trigger bit by laterally gliding to transferring to, and the connecting electrode of arc extinguishing gas ball and the trigger electrode of gas ball trigger bit carry out reliable contacts.The breach of inverted V-shaped can allow arc extinguishing gas ball when the electrode that is triggered is held, and rotates freely, moves down further, until trigger electrode holds the top of breach, forms reliable contacts be connected with the connecting electrode of arc extinguishing gas ball.The bottom of two inverted V-shaped breach is connected, and namely retains the housing parts got off V-shaped.
Further illustrate as of the present invention, the vertical rail storing up magazine and/or right side storage magazine on the left of the above is provided with more than two row, and being separated by rotatable baffle between vertical rail between two of magazine is stored up in the same side.Vertical rail is provided with some row, when last arc extinguishing gas ball in first row vertical rail tumbles to gas ball trigger bit, rotatable baffle between first row vertical rail and secondary series vertical rail is pushed on one side by the arc extinguishing gas ball in secondary series vertical rail, arc extinguishing gas ball in secondary series vertical rail starts to enter preparation track, after waiting for that the arc extinguishing gas ball being in gas ball trigger bit carries out trigger action, tumble successively to gas ball trigger bit, wait to be triggered; The arc extinguishing gas ball of vertical rail below moves in the same way.
Further illustrate as of the present invention, the upper end thereof of above-described rotatable baffle is on the housing of pressure-bearing type arc-control device.
Further illustrate as of the present invention, the counting press points I stored up on the left of the above in magazine is connected on the triggering loop II in right side storage magazine, when arc extinguishing gas ball enters preparation track I and presses counting press points I, the triggering loop II in right side storage magazine is in off-state; After the arc extinguishing gas ball being in gas ball trigger bit I carries out trigger action, depart from gas ball trigger bit I, follow-up arc extinguishing gas ball starts to roll and glides, counting press points I is discharged, triggering loop II in right side storage magazine is in conducting state to be triggered, until next in left side storage magazine sends out arc extinguishing gas ball enter gas ball trigger bit I, counting press points I is extruded by arc extinguishing gas ball, triggers loop II and recovers off-state.
As another kind of scheme of the present invention, above-described triggering loop I and the locking mutually of triggering loop II.When the triggering loop of side is in be triggered, the triggering loop of opposite side is shorted; When trigger action is carried out in the triggering loop of side, namely the triggering loop wink of opposite side enters state to be triggered; Thunderbolt gap can be ensured so very in short-term, corresponding arc extinguishing gas ball can be ensured and carry out trigger action, carry out gas blast arc-quenching.
Further illustrate as of the present invention, above-described multi-break arc-control device also comprises a bead counter; Described bead counter is primarily of bead receptacle and the counting bead be placed in bead receptacle; The outlet of described bead receptacle is corresponding with the outlet of final stage arc extinguishing passage.When multi-break arc-control device carries out action, the outlet of final stage arc extinguishing passage still has air blast to blow out, and can be positioned at the counting bead blowout in the exit of bead receptacle like this.
Further illustrate as of the present invention, above-described bead counter is spiral or vertical or adjustable crossmember type counter; When bead counter is spiral counter, the bead receptacle of described spiral counter is arranged on the apparatus main body of multi-break arc-control device in the shape of a spiral; When bead counter is adjustable crossmember type counter, described adjustable crossmember type counter is arranged on the bottom of the apparatus main body of multi-break arc-control device by fixing outer ring, and the inside of bead receptacle is provided with spring.
Further illustrate as of the present invention, be provided with a baffle plate in the exit of bead receptacle; Arranging baffle plate can prevent when lightning protection device is failure to actuate, the phenomenon of counting bead Automatic-falling.Counting bead adopts different colours or numeral to mark.Counting bead modes of emplacement can be perpendicular to fixing outer ring, also can be parallel to fixing outer ring, when device action once, exit bead is blown one, the spring compressed just will be positioned at the counting bead boost exports place on side, exit, and counting bead carry, waits for next action.
Further illustrate as of 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 adopts external nut to be fixed sheet to be threaded with the nut I of apparatus main body inside.Between nut, place stator, when can ensure the action of multi-break arc-control device, electric arc walking path is nut outer surfaces, instead of inner thread, prevents inner thread from damaging and causes multi-break arc-control device to drop.Adopt thread connecting mode, the firm connection of multi-break arc-control device can be ensured, even if still can not rotate or misplace under the severe natural calamity weather such as typhoon.
Further illustrate as of the present invention, the apparatus main body of above-described multi-break arc-control device adopts hydrophobic material to make, and the outer surface of apparatus main body is provided with full skirt; Described arc electrode I is graphite electrode; It is described that to lead arc ball be graphite bead or be copper bead; Described arc-extinguishing tube is thin ceramic tubes; The both sides of described copper billet are provided with through hole.Even if the multi-break arc-control device of hydrophobicity material makes each inner arc extinguishing entrance and exit of the passage have the media such as water to enter, still can action message.
Further illustrate as of the present invention, above-described pressure-bearing type arc-control device is provided with bearing bar, and one end of described bearing bar extends to pressure-bearing type arc-control device inside, and is provided with coulomb dish at bearing bar end.By bearing bar, on one end that pressure-bearing type arc-control device can be fixedly mounted on insulator string or cross-arm.
The course of work of the present invention (operation principle):
When there is thunderbolt in transmission line, thunder and lightning breakdown protection gap, when there is arc flash, multi-break arc-control device of the present invention by arc electrode by electric arc introducing device body interior in Z-shaped arc extinguishing path in (due to copper billet and the striking effect leading arc ball, arc path is prescribed, and from apparatus main body surface, flashover can not occur); When electric arc each section of arc extinguishing passage in arc extinguishing path, the arc-extinguishing tube Yin Gaowen in arc extinguishing passage produces air blast, blows draw the flex point of electric arc, and slenderizing electric arc, makes electric arc be more prone to be blown out and not resume combustion again.Be arranged on the bead counter at arc extinguishing path outlet place, counting bead is dropped by the blowout of air blast, achieves the statistics of action frequency.Namely, multi-break arc-control device of the present invention is triggered by lightening pulse, the development track of preferential attraction, control and change lightning impulse electric arc, make impact electric arc after by arc-extinguishing tube strong compression, bending, in arc-extinguishing tube, produce high axial pressure gradient, electric arc is outwardly sprayed by arc-extinguishing tube, electric arc is made to produce fracture at multiple spot, form the segmentation electric arc of large scale in overall arc extinguishing structure, thus arc energy weakens, extinguish arcs.
Simultaneously, pressure-bearing type arc-control device of the present invention adopts internal symmetry bulk flow line type structure, and one, arc extinguishing gas ball is sent a manuscript to the compositor and is listed on the preparation track of vertical track and ramped shaped, and first arc extinguishing gas ball passes through Action of Gravity Field, upset enters gas ball trigger bit, waits to be triggered; And after the arc extinguishing gas ball of side triggers, the arc extinguishing gas ball of opposite side carries out state to be triggered.When lightening pulse is through coil, coil-induced current trigger arc extinguishing gas ball, arc extinguishing gas ball produces huge air-flow and blocks electric arc, and arc temperature is reduced, and arc energy can not get abundant supply, arc extinction; The mode that arc extinguishing gas ball below arrives gas ball trigger bit by first arc extinguishing gas ball equally puts in place, waits for and being struck by lightning next time, carry out trigger action.
Advantage of the present invention:
1. structure is simple, reasonable in design, and the memory space of arc extinguishing gas ball is many, arc extinguishing ability strong, and working stability is reliable.Multi-break arc-control device and pressure-bearing type arc-control device combine use by the present invention, carry out arc extinguishing action simultaneously, effectively can suppress electric arc in electric arc both sides, even if run into strong thunderbolt or instant multiple thunderbolt, also can reach protective action.In the apparatus main body inside of multi-break arc-control device, the arc extinguishing path in Z-shaped circulation arrangement is set, and be provided with copper billet and lead arc ball, effectively define the path of electric arc, ensure that electric arc expands through multi-drawing, electric arc forms multibreak, extinguishes rapidly and phenomenon of not restriking.The inside of pressure-bearing type arc-control device of the present invention adopts symmetrical bulk flow line type structure, and arc extinguishing gas ball all can be placed in both sides; The preparation track of vertical track and inclination is set in storage magazine, again by the laterally discharge of arc extinguishing gas ball, not only when apparatus main body size is constant, the memory space adding arc extinguishing gas ball is many, and utilize the self gravitation of arc extinguishing gas ball, slide to gas ball trigger bit under can realizing arc extinguishing gas ball, do not need to increase actuating unit in addition again, greatly optimize the structure of apparatus main body inside.
2. count enable, is convenient to later maintenance, replacing.At arc extinguishing path outlet, place arranges bead counter, by action once, blows off one and counts bead; Digit counter and counting press points are set at pressure-bearing type arc-control device, have recorded the trigger action number of times of arc extinguishing gas ball equally.Thus attendant can be allowed to know action frequency, current action number of times, residue action frequency etc. fast intuitively, be convenient to change lightning protection device in time, safeguard, ensure the operation duration of lightning protection device.
Accompanying drawing explanation
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 numeral:
1-insulator, 2-multi-break arc-control device, 3-pressure-bearing type arc-control device, 201-apparatus main body, 202-arc electrode I, 203-copper billet, 204-arc extinguishing path, 205-full skirt, 206-fixes outer ring, 207-bead receptacle, 208-counts bead, 209-spring, 210-arc extinguishing passage, 211-leads arc ball, 212-arc-extinguishing tube, 301-vertical rail, 302-rotatable baffle, 303-arc extinguishing gas ball, 304-counts press points I, 305-digit counter I, 306-trigger electrode I, 307-gas ball trigger bit I, 308-arc electrode II, 309-gas ball trigger bit II, 310-trigger electrode II, 311-digit counter II, 312-counts press points II, 313-induction coil I, 314-induction coil II, 315-bearing bar, 316-coulomb dish.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
Embodiment 1:
As Figure 1-5, a kind of combination cropper, comprises respectively by connecting gold utensil I, connecting multi-break arc-control device 2 and pressure-bearing type arc-control device 3 that gold utensil II is fixedly mounted on insulator 1 two ends; Wherein,
Described multi-break arc-control device 2 comprises apparatus main body 201 and arc electrode I 202; Described arc electrode I 202 is fixedly mounted on one end of apparatus main body 201, and points to pressure-bearing type arc-control device 3, and the other end of apparatus main body 201 is fixedly mounted on one end of insulator 1 by connecting gold utensil I; Described apparatus main body 201 is provided with and is made up of and the arc extinguishing path 204 of arranging in Z-shaped circulation some sections of arc extinguishing passages 210; Be provided with copper billet 203 in the junction of arc extinguishing passage 210 adjacent between two, and each section of arc extinguishing passage 210 is all placed with two arc-extinguishing tubes 212, between these two arc-extinguishing tubes 212, is provided with one leads arc ball 211; The arc-extinguishing tube at the first paragraph arc extinguishing feeder connection place in described arc extinguishing path 204 is connected with arc electrode I 202 by arc guide rod, the arc-extinguishing tube of final stage arc extinguishing channel exit by wire be connected gold utensil I and be connected;
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 storage magazine, right side storage magazine are equipped with the vertical rail 301 for laterally discharging arc extinguishing gas ball 303, and the preparation track I be respectively equipped with in the bottom of vertical rail 301 in ramped shaped and preparation track II; Be provided with gas ball trigger bit I 307 at the end of the preparation track I of left side storage magazine, the both sides of gas ball trigger bit I 307 are respectively equipped with trigger electrode I 306, and trigger electrode I 306 is connected with the induction coil I 313 for gathering the lightening pulse signal of telecommunication; Be provided with gas ball trigger bit II 309 at the end of the preparation track II of right side storage magazine, the both sides of gas ball trigger bit II 309 are respectively equipped with trigger electrode II 310, and trigger electrode II 310 is connected with the induction coil II 314 for gathering the lightening pulse signal of telecommunication; One end of described arc electrode II 308 be connected gold utensil II and be connected, the other end extends to the neighbouring position the gentle ball trigger bit II 309 of gas ball trigger bit I 307 through induction coil II 314, induction coil I 313 successively, and points to the arc electrode I 202 of multi-break arc-control device 2.
Described pressure-bearing type arc-control device 3 also comprises the digit counter I 305 and digit counter II 311 that are fixedly mounted on pressure-bearing type arc-control device 3 outer surface respectively; The preparation track I of left side storage magazine is provided with counting press points I 304, and counts press points I 304 and be connected by the driving shaft of connecting rod with digit counter I 305; The preparation track II of right side storage magazine is provided with counting press points II 312, and counts press points II 312 and be connected by the driving shaft of connecting rod with digit counter II 311.
Described arc extinguishing gas ball 303 is provided with shell; Described shell is provided with the breach of two symmetric designs also in inverted V-shaped, is provided with connecting electrode at 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, and the connecting electrode of arc extinguishing gas ball 303 is connected with trigger electrode I 306 or trigger electrode II 310, defines and triggers loop I or trigger loop II.Counting press points I 304 in described left side storage magazine is connected on the triggering loop II in right side storage magazine, and when arc extinguishing gas ball 303 enters preparation track I and presses counting press points I 304, the triggering loop II in right side storage magazine is in off-state; After the arc extinguishing gas ball 303 being 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 and glides, counting press points I 304 is discharged, triggering loop II in right side storage magazine is in conducting state to be triggered, until next in left side storage magazine sends out arc extinguishing gas ball 303 enter gas ball trigger bit I 307, counting press points I 304 is extruded by arc extinguishing gas ball 303, triggers loop II and recovers off-state.
The vertical rail 301 of described left side storage magazine and/or right side storage magazine is provided with three row, and being separated by rotatable baffle 302 between vertical rail between two of magazine is stored up in the same side.The upper end thereof of described rotatable baffle 302 is on the housing of pressure-bearing type arc-control device 3.
Described multi-break arc-control device 2 also comprises a bead counter; Described bead counter is primarily of bead receptacle 207 and the counting bead 208 be placed in bead receptacle 207; The outlet of described bead receptacle 207 is corresponding with the outlet of final stage arc extinguishing passage.Described bead counter is adjustable crossmember type counter; Described adjustable crossmember type counter is arranged on the bottom of the apparatus main body 201 of multi-break arc-control device 2 by fixing outer ring 206, and the inside of bead receptacle 207 is provided with spring 209.
The bottom of the apparatus main body 201 of described multi-break arc-control device 2 is built-in with nut I; The outer surface of described connection gold utensil I is provided with external screw thread, and adopts external nut to be fixed sheet to be threaded with the nut I of apparatus main body 201 inside.The apparatus main body 201 of described multi-break arc-control device 2 adopts hydrophobic material to make, and the outer surface of apparatus main body 201 is provided with full skirt 205; Described arc electrode I 202 is graphite electrode; Described arc ball 211 of leading is for graphite bead or be copper 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 arc-control device 3 inside, and is provided with coulomb dish 316 at bearing bar 315 end.
Embodiment 2:
A kind of combination cropper, comprises respectively by connecting gold utensil I, connecting multi-break arc-control device 2 and pressure-bearing type arc-control device 3 that gold utensil II is fixedly mounted on insulator 1 two ends; Wherein,
Described multi-break arc-control device 2 comprises apparatus main body 201 and arc electrode I 202; Described arc electrode I 202 is fixedly mounted on one end of apparatus main body 201, and points to pressure-bearing type arc-control device 3, and the other end of apparatus main body 201 is fixedly mounted on one end of insulator 1 by connecting gold utensil I; Described apparatus main body 201 is provided with and is made up of and the arc extinguishing path 204 of arranging in Z-shaped circulation some sections of arc extinguishing passages 210; Be provided with copper billet 203 in the junction of arc extinguishing passage 210 adjacent between two, and each section of arc extinguishing passage 210 is all placed with two arc-extinguishing tubes 212, between these two arc-extinguishing tubes 212, is provided with one leads arc ball 211; The arc-extinguishing tube at the first paragraph arc extinguishing feeder connection place in described arc extinguishing path 204 is connected with arc electrode I 202 by arc guide rod, the arc-extinguishing tube of final stage arc extinguishing channel exit by wire be connected gold utensil I and be connected;
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 storage magazine, right side storage magazine are equipped with the vertical rail 301 for laterally discharging arc extinguishing gas ball 303, and the preparation track I be respectively equipped with in the bottom of vertical rail 301 in ramped shaped and preparation track II; Be provided with gas ball trigger bit I 307 at the end of the preparation track I of left side storage magazine, the both sides of gas ball trigger bit I 307 are respectively equipped with trigger electrode I 306, and trigger electrode I 306 is connected with the induction coil I 313 for gathering the lightening pulse signal of telecommunication; Be provided with gas ball trigger bit II 309 at the end of the preparation track II of right side storage magazine, the both sides of gas ball trigger bit II 309 are respectively equipped with trigger electrode II 310, and trigger electrode II 310 is connected with the induction coil II 314 for gathering the lightening pulse signal of telecommunication; One end of described arc electrode II 308 be connected gold utensil II and be connected, the other end extends to the neighbouring position the gentle ball trigger bit II 309 of gas ball trigger bit I 307 through induction coil II 314, induction coil I 313 successively, and points to the arc electrode I 202 of multi-break arc-control device 2.
Described pressure-bearing type arc-control device 3 also comprises the digit counter I 305 and digit counter II 311 that are fixedly mounted on pressure-bearing type arc-control device 3 outer surface respectively; The preparation track I of left side storage magazine is provided with counting press points I 304, and counts press points I 304 and be connected by the driving shaft of connecting rod with digit counter I 305; The preparation track II of right side storage magazine is provided with counting press points II 312, and counts press points II 312 and be connected by the driving shaft of connecting rod with digit counter II 311.
Described arc extinguishing gas ball 303 is provided with shell; Described shell is provided with the breach of two symmetric designs also in inverted V-shaped, is provided with connecting electrode at 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, and the connecting electrode of arc extinguishing gas ball 303 is connected with trigger electrode I 306 or trigger electrode II 310, defines and triggers loop I or trigger loop II.Counting press points I 304 in described left side storage magazine is connected on the triggering loop II in right side storage magazine, and when arc extinguishing gas ball 303 enters preparation track I and presses counting press points I 304, the triggering loop II in right side storage magazine is in off-state; After the arc extinguishing gas ball 303 being 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 and glides, counting press points I 304 is discharged, triggering loop II in right side storage magazine is in conducting state to be triggered, until next in left side storage magazine sends out arc extinguishing gas ball 303 enter gas ball trigger bit I 307, counting press points I 304 is extruded by arc extinguishing gas ball 303, triggers loop II and recovers off-state.
The vertical rail 301 of described left side storage magazine and/or right side storage magazine is provided with two row, and being separated by rotatable baffle 302 between vertical rail between two of magazine is stored up in the same side.The upper end thereof of described rotatable baffle 302 is on the housing of pressure-bearing type arc-control device 3.
Described multi-break arc-control device 2 also comprises a bead counter; Described bead counter is primarily of bead receptacle 207 and the counting bead 208 be placed in bead receptacle 207; The outlet of described bead receptacle 207 is corresponding with the outlet of final stage arc extinguishing passage.Described bead counter is spiral counter; The bead receptacle 207 of described spiral counter is arranged on the apparatus main body 201 of multi-break arc-control device 2 in the shape of a spiral;
The bottom of the apparatus main body 201 of described multi-break arc-control device 2 is built-in with nut I; The outer surface of described connection gold utensil I is provided with external screw thread, and adopts external nut to be fixed sheet to be threaded with the nut I of apparatus main body 201 inside.The apparatus main body 201 of described multi-break arc-control device 2 adopts hydrophobic material to make, and the outer surface of apparatus main body 201 is provided with full skirt 205; Described arc electrode I 202 is graphite electrode; Described arc ball 211 of leading is for graphite bead or be copper 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, comprises respectively by connecting gold utensil I, connecting multi-break arc-control device 2 and pressure-bearing type arc-control device 3 that gold utensil II is fixedly mounted on insulator 1 two ends; Wherein,
Described multi-break arc-control device 2 comprises apparatus main body 201 and arc electrode I 202; Described arc electrode I 202 is fixedly mounted on one end of apparatus main body 201, and points to pressure-bearing type arc-control device 3, and the other end of apparatus main body 201 is fixedly mounted on one end of insulator 1 by connecting gold utensil I; Described apparatus main body 201 is provided with and is made up of and the arc extinguishing path 204 of arranging in Z-shaped circulation some sections of arc extinguishing passages 210; Be provided with copper billet 203 in the junction of arc extinguishing passage 210 adjacent between two, and each section of arc extinguishing passage 210 is all placed with two arc-extinguishing tubes 212, between these two arc-extinguishing tubes 212, is provided with one leads arc ball 211; The arc-extinguishing tube at the first paragraph arc extinguishing feeder connection place in described arc extinguishing path 204 is connected with arc electrode I 202 by arc guide rod, the arc-extinguishing tube of final stage arc extinguishing channel exit by wire be connected gold utensil I and be connected;
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 storage magazine, right side storage magazine are equipped with the vertical rail 301 for laterally discharging arc extinguishing gas ball 303, and the preparation track I be respectively equipped with in the bottom of vertical rail 301 in ramped shaped and preparation track II; Be provided with gas ball trigger bit I 307 at the end of the preparation track I of left side storage magazine, the both sides of gas ball trigger bit I 307 are respectively equipped with trigger electrode I 306, and trigger electrode I 306 is connected with the induction coil I 313 for gathering the lightening pulse signal of telecommunication; Be provided with gas ball trigger bit II 309 at the end of the preparation track II of right side storage magazine, the both sides of gas ball trigger bit II 309 are respectively equipped with trigger electrode II 310, and trigger electrode II 310 is connected with the induction coil II 314 for gathering the lightening pulse signal of telecommunication; One end of described arc electrode II 308 be connected gold utensil II and be connected, the other end extends to the neighbouring position the gentle ball trigger bit II 309 of gas ball trigger bit I 307 through induction coil II 314, induction coil I 313 successively, and points to the arc electrode I 202 of multi-break arc-control device 2.
Described pressure-bearing type arc-control device 3 also comprises the digit counter I 305 and digit counter II 311 that are fixedly mounted on pressure-bearing type arc-control device 3 outer surface respectively; The preparation track I of left side storage magazine is provided with counting press points I 304, and counts press points I 304 and be connected by the driving shaft of connecting rod with digit counter I 305; The preparation track II of right side storage magazine is provided with counting press points II 312, and counts press points II 312 and be connected by the driving shaft of connecting rod with digit counter II 311.
Described arc extinguishing gas ball 303 is provided with shell; Described shell is provided with the breach of two symmetric designs also in inverted V-shaped, is provided with connecting electrode at 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, and the connecting electrode of arc extinguishing gas ball 303 is connected with trigger electrode I 306 or trigger electrode II 310, defines and triggers loop I or trigger loop II.Described triggering loop I and the locking mutually of triggering loop II.
Described multi-break arc-control device 2 also comprises a bead counter; Described bead counter is primarily of bead receptacle 207 and the counting bead 208 be placed in bead receptacle 207; The outlet of described bead receptacle 207 is corresponding with the outlet of final stage arc extinguishing passage.Described bead counter is vertical counter.
The bottom of the apparatus main body 201 of described multi-break arc-control device 2 is built-in with nut I; The outer surface of described connection gold utensil I is provided with external screw thread, and adopts external nut to be fixed sheet to be threaded with the nut I of apparatus main body 201 inside.The apparatus main body 201 of described multi-break arc-control device 2 adopts hydrophobic material to make, and the outer surface of apparatus main body 201 is provided with full skirt 205; Described arc electrode I 202 is graphite electrode; Described arc ball 211 of leading is for graphite bead or be copper bead; Described arc-extinguishing tube 212 is thin ceramic tubes; The both sides of described copper billet 203 are provided with through hole.
Claims (11)
1. a combination cropper, comprises respectively by connecting gold utensil I, connecting multi-break arc-control device (2) and pressure-bearing type arc-control device (3) that gold utensil II is fixedly mounted on insulator (1) two ends; It is characterized in that: described multi-break arc-control device (2) comprises apparatus main body (201) and arc electrode I (202); Described arc electrode I (202) is fixedly mounted on one end of apparatus main body (201), and points to pressure-bearing type arc-control device (3), and the other end of apparatus main body (201) is fixedly mounted on one end of insulator (1) by connecting gold utensil I; Described apparatus main body (201) is provided with and is made up of and the arc extinguishing path (204) of arranging in Z-shaped circulation some sections of arc extinguishing passages (210); Be provided with copper billet (203) in the junction of arc extinguishing passage (210) adjacent between two, and each section of arc extinguishing passage (210) is all placed with two arc-extinguishing tubes (212), between these two arc-extinguishing tubes (212), is provided with one leads arc ball (211); The arc-extinguishing tube at the first paragraph arc extinguishing feeder connection place of described arc extinguishing path (204) is connected with arc electrode I (202) by arc guide rod, the arc-extinguishing tube of final stage arc extinguishing channel exit be connected gold utensil I and be connected;
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 storage magazine, right side storage magazine are equipped with the vertical rail (301) for laterally discharge arc extinguishing gas ball (303), and the preparation track I be respectively equipped with in the bottom of vertical rail (301) in ramped shaped and preparation track II; Gas ball trigger bit I (307) is provided with at the end of the preparation track I of left side storage magazine, the both sides of gas ball trigger bit I (307) are respectively equipped with trigger electrode I (306), and trigger electrode I (306) is connected with the induction coil I (313) for gathering the lightening pulse signal of telecommunication; Gas ball trigger bit II (309) is provided with at the end of the preparation track II of right side storage magazine, the both sides of gas ball trigger bit II (309) are respectively equipped with trigger electrode II (310), and trigger electrode II (310) is connected with the induction coil II (314) for gathering the lightening pulse signal of telecommunication; One end of described arc electrode II (308) be connected gold utensil II and be connected, the other end extends to the neighbouring position the gentle ball trigger bit II (309) of gas ball trigger bit I (307) through induction coil II (314), induction coil I (313) successively, and points to the arc electrode I (202) of multi-break arc-control device (2).
2. combination cropper according to claim 1, is characterized in that: described pressure-bearing type arc-control device (3) also comprises the digit counter I (305) and digit counter II (311) that are fixedly mounted on pressure-bearing type arc-control device (3) outer surface respectively; The preparation track I of left side storage magazine is provided with counting press points I (304), and counts press points I (304) and be connected by the driving shaft of connecting rod with digit counter I (305); The preparation track II of right side storage magazine is provided with counting press points II (312), and counts press points II (312) and be connected by the driving shaft of connecting rod with digit counter II (311).
3. combination cropper according to claim 2, is characterized in that: described arc extinguishing gas ball (303) is provided with shell; Described shell is provided with the breach of two symmetric designs also in inverted V-shaped, is provided with connecting electrode at 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 connecting electrode of arc extinguishing gas ball (303) is connected with trigger electrode I (306) or trigger electrode II (310), defines and triggers loop I or trigger loop II.
4. combination cropper according to claim 3, it is characterized in that: the vertical rail (301) of described left side storage magazine and/or right side storage magazine is provided with more than two row, and the rotatable baffle (302) of passing through between vertical rail between two of the same side storage magazine is separated.
5. combination cropper according to claim 4, is characterized in that: the upper end thereof of described rotatable baffle (302) is on the housing of pressure-bearing type arc-control device (3).
6. combination cropper according to claim 3, it is characterized in that: the counting press points I (304) in described left side storage magazine is connected on the triggering loop II in right side storage magazine, when arc extinguishing gas ball (303) enters preparation track I and presses counting press points I (304), the triggering loop II in right side storage magazine is in off-state; After the arc extinguishing gas ball (303) being 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 and glides, counting press points I (304) is discharged, triggering loop II in right side storage magazine is in conducting state to be triggered, until next in left side storage magazine sends out arc extinguishing gas ball (303) enter gas ball trigger bit I (307), counting press points I (304), by arc extinguishing gas ball (303) extruding, triggers loop II and recovers off-state.
7. combination cropper according to claim 1, is characterized in that: described multi-break arc-control device (2) also comprises a bead counter; Described bead counter is primarily of bead receptacle (207) and the counting bead (208) that is placed in bead receptacle (207); The outlet of described bead receptacle (207) is corresponding with the outlet of final stage arc extinguishing passage.
8. combination cropper according to claim 7, is characterized in that: described bead counter is spiral or vertical or adjustable crossmember type counter; When bead counter is spiral counter, the bead receptacle (207) of described spiral counter is arranged on the apparatus main body (201) of multi-break arc-control device (2) in the shape of a spiral; When bead counter is adjustable crossmember type counter, described adjustable crossmember type counter is arranged on the bottom of the apparatus main body (201) of multi-break arc-control device (2) by fixing outer ring (206), and the inside of bead receptacle (207) is provided with spring (209).
9. combination cropper according to claim 8, is characterized in that: the bottom of the apparatus main body (201) of described multi-break arc-control device (2) is built-in with nut I; The outer surface of described connection gold utensil I is provided with external screw thread, and the nut I adopting external nut to be fixed sheet inner with apparatus main body (201) is threaded.
10. combination cropper according to claim 1, is characterized in that: the apparatus main body (201) of described multi-break arc-control device (2) adopts hydrophobic material to make, and the outer surface of apparatus main body (201) is provided with full skirt (205); Described arc electrode I (202) is graphite electrode; Described arc ball (211) of leading is for graphite bead or be copper bead; Described arc-extinguishing tube (212) is thin ceramic tubes; The both sides of described copper billet (203) are provided with through hole.
11. combination croppers according to claim 1, it is characterized in that: described pressure-bearing type arc-control device (3) is provided with bearing bar (315), one end of described bearing bar (315) extends to pressure-bearing type arc-control device (3) inside, and is provided with coulomb dish (316) at bearing bar (315) end.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112072472A (en) * | 2020-08-31 | 2020-12-11 | 广东电网有限责任公司 | Arc extinguishing lightning arrester |
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| US4503414A (en) * | 1983-06-20 | 1985-03-05 | Sykes Huey P | Current interrupting lightning arrester isolator |
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| CN112072472B (en) * | 2020-08-31 | 2022-01-25 | 广东电网有限责任公司 | Arc extinguishing lightning arrester |
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| CN104701741B (en) | 2017-03-29 |
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