CN204360854U - A kind of multistage electric arc blocks lightning protection device - Google Patents
A kind of multistage electric arc blocks lightning protection device Download PDFInfo
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- CN204360854U CN204360854U CN201520094531.1U CN201520094531U CN204360854U CN 204360854 U CN204360854 U CN 204360854U CN 201520094531 U CN201520094531 U CN 201520094531U CN 204360854 U CN204360854 U CN 204360854U
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Abstract
The utility model discloses a kind of multistage electric arc and block lightning protection device, comprise lightning protection device main body and arc electrode; Described lightning protection device main body is fixedly mounted on cross-arm or one end of insulator string by connecting gold utensil; Left side storage magazine and right side storage magazine is wherein provided with in the inside of lightning protection device main body; Described left side storage magazine, right side storage magazine are equipped with the vertical rail for laterally discharging arc extinguishing gas ball, and are respectively equipped with the preparation track in ramped shaped in the bottom of vertical rail; The end of preparation track is provided with gas ball trigger bit, and the both sides of gas ball trigger bit are respectively equipped with trigger electrode, and trigger electrode is connected with the induction coil for gathering the lightening pulse signal of telecommunication.The utility model structure is simple, reasonable in design, and arc extinguishing ability is strong, and working stability is reliable, and count enable, be convenient to later maintenance, replacing.
Description
Technical field
The utility model relates to a kind of lightning protection device of transmission line, has particularly related to a kind of multistage electric arc and has blocked lightning protection device.
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 plays a good role 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; In addition.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, provides that a kind of structure is simple, reasonable in design, arc extinguishing ability is strong, the reliable multistage electric arc of working stability blocks lightning protection device.This multistage electric arc block lightning protection device by arranging vertical rail, laterally place arc extinguishing gas ball, there is difference in height etc. in the surface structure improving arc extinguishing gas ball, gas ball trigger bit, 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; Ensure that trigger action is reliable, continuously, lightning protection arc quenching effect is good.
To achieve these goals, the utility model have employed following technical scheme:
A kind of multistage electric arc blocks lightning protection device, comprises lightning protection device main body and arc electrode; Described lightning protection device main body is fixedly mounted on cross-arm or one end of insulator string by connecting gold utensil; Wherein, left side storage magazine and right side storage magazine is provided with in the inside of lightning protection device main body; 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 be connected gold utensil 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.
In the utility model, by the inner space of lightning protection device main body being divide into two storage magazines, and vertical rail is provided with in storage magazine, again arc extinguishing gas ball transverse row is put on vertical rail, greatly can add the memory space of arc extinguishing gas ball in storage magazine like this, the preparation track of inclination is set bottom vertical rail, 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 illustrate as of the present utility model, this multistage electric arc blocks lightning protection device and also comprises the digit counter I and digit counter II that are fixedly mounted on lightning protection device body 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 utility model, 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; When described arc extinguishing gas ball is in gas ball trigger bit I or gas ball trigger bit II, 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 utility model, 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 utility model, the upper end thereof of above-described rotatable baffle is on the housing of lightning protection device main body.
Further illustrate as of the present utility model, 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.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 illustrating as of the present utility model, there is difference in height in the gentle ball trigger bit II of above-described gas ball trigger bit I.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 utility model, above-described lightning protection device main body is provided with bearing bar, and one end of described bearing bar extends to lightning protection device body interior, and is provided with coulomb dish at bearing bar end.By bearing bar, on one end that lightning protection device main body can be fixedly mounted on insulator string or cross-arm.
The course of work of the present utility model (operation principle):
Pressure-bearing type arc-control device of the present utility model adopts internal symmetry bulk flow line type structure, 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, first arc extinguishing gas ball is by Action of Gravity Field, and 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 thunderbolt occurs transmission line, 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 utility model:
1. structure is simple, reasonable in design, and arc extinguishing ability is strong, and working stability is reliable.Adopt symmetrical bulk flow line type structure in lightning protection device body interior, 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.Be provided with digit counter at the outer surface of lightning protection device main body, counting press points is set at preparation track; When arc extinguishing gas ball passes through once, digit counter just counts once; Attendant can be allowed like this 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.
3. safe and reliable.Two are triggered the mutual locking in loop, can ensure thunderbolt gap very in short-term, can ensure corresponding arc extinguishing gas ball and carry out trigger action, carry out gas blast arc-quenching.There is difference in height in two gas ball trigger bits, can prevent when multiple thunderbolt, and 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.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model one embodiment.
Fig. 2 is the schematic diagram of arc extinguishing gas ball in the utility model one embodiment.
Reference numeral:
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, 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.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further illustrated.
Embodiment 1:
As Fig. 1, shown in 2, a kind of multistage electric arc blocks lightning protection device, comprises lightning protection device main body, arc electrode 308, and is fixedly mounted on digit counter I 305 and the digit counter II 311 of lightning protection device body outer surface respectively; Described lightning protection device main body is fixedly mounted on cross-arm by connecting gold utensil; Wherein, left side storage magazine and right side storage magazine is provided with in the inside of lightning protection device main body; 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 308 be connected gold utensil 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.
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; When 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.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.There is difference in height in the described gentle ball trigger bit II 309 of gas ball trigger bit I 307.
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 lightning protection device main body.Described lightning protection device main body is provided with bearing bar, and one end of described bearing bar extends to lightning protection device body interior, and is provided with coulomb dish at bearing bar end.
Embodiment 2:
A kind of multistage electric arc blocks lightning protection device, comprises lightning protection device main body, arc electrode 308, and is fixedly mounted on digit counter I 305 and the digit counter II 311 of lightning protection device body outer surface respectively; Described lightning protection device main body is fixedly mounted on cross-arm by connecting gold utensil; Wherein, left side storage magazine and right side storage magazine is provided with in the inside of lightning protection device main body; 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 308 be connected gold utensil 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.
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; When 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.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.There is difference in height in the described gentle ball trigger bit II 309 of gas ball trigger bit I 307.
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 lightning protection device main body.Described lightning protection device main body is provided with bearing bar, and one end of described bearing bar extends to lightning protection device body interior, and is provided with coulomb dish at bearing bar end.
Embodiment 3:
A kind of multistage electric arc blocks lightning protection device, comprises lightning protection device main body and arc electrode 308; Described lightning protection device main body is fixedly mounted on cross-arm or one end of insulator string by connecting gold utensil; Wherein, left side storage magazine and right side storage magazine is provided with in the inside of lightning protection device main body; 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 308 be connected gold utensil 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.
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; When 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.Described triggering loop I and the locking mutually of triggering loop II.There is difference in height in the described gentle ball trigger bit II 309 of gas ball trigger bit I 307.Described lightning protection device main body is provided with bearing bar, and one end of described bearing bar extends to lightning protection device body interior, and is provided with coulomb dish at bearing bar end.
Claims (8)
1. multistage electric arc blocks a lightning protection device, comprises lightning protection device main body and arc electrode (308); Described lightning protection device main body is fixedly mounted on cross-arm or one end of insulator string by connecting gold utensil; It is characterized in that: be provided with left side storage magazine and right side storage magazine in the inside of lightning protection device main body; 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 (308) be connected gold utensil 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.
2. multistage electric arc according to claim 1 blocks lightning protection device, it is characterized in that: also comprise the digit counter I (305) and digit counter II (311) that are fixedly mounted on lightning protection device body 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. multistage electric arc according to claim 2 blocks lightning protection device, it 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; When 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. multistage electric arc according to claim 3 blocks lightning protection device, 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. multistage electric arc according to claim 4 blocks lightning protection device, it is characterized in that: the upper end thereof of described rotatable baffle (302) is on the housing of lightning protection device main body.
6. multistage electric arc according to claim 3 blocks lightning protection device, 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. the multistage electric arc according to claim 1 or 6 blocks lightning protection device, it is characterized in that: the gentle ball trigger bit II (309) of described gas ball trigger bit I (307) exists difference in height.
8. multistage electric arc according to claim 1 blocks lightning protection device, it is characterized in that: described lightning protection device main body is provided with bearing bar, and one end of described bearing bar extends to lightning protection device body interior, and is provided with coulomb dish at bearing bar end.
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| CN201520094531.1U CN204360854U (en) | 2015-02-10 | 2015-02-10 | A kind of multistage electric arc blocks lightning protection device |
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| CN201520094531.1U CN204360854U (en) | 2015-02-10 | 2015-02-10 | A kind of multistage electric arc blocks lightning protection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104700967A (en) * | 2015-02-10 | 2015-06-10 | 王巨丰 | Multistage electric arc cut-off lightning arrester |
| CN112117657A (en) * | 2019-06-19 | 2020-12-22 | 中国石油化工股份有限公司 | Tandem type active lightning arc blowing-out device |
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2015
- 2015-02-10 CN CN201520094531.1U patent/CN204360854U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104700967A (en) * | 2015-02-10 | 2015-06-10 | 王巨丰 | Multistage electric arc cut-off lightning arrester |
| CN112117657A (en) * | 2019-06-19 | 2020-12-22 | 中国石油化工股份有限公司 | Tandem type active lightning arc blowing-out device |
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