CN104700967B - 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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- CN104700967B CN104700967B CN201510069028.5A CN201510069028A CN104700967B CN 104700967 B CN104700967 B CN 104700967B CN 201510069028 A CN201510069028 A CN 201510069028A CN 104700967 B CN104700967 B CN 104700967B
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Abstract
The invention discloses a kind of multistage electric arc and block lightning protection device, including 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 chain by connecting gold utensil；Wherein the inside in lightning protection device main body is provided with left side storage magazine and right side storage magazine；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, gas ball trigger bit be respectively provided on two sides with trigger electrode, trigger electrode is connected with the induction coil being used for gathering the signal of telecommunication.Present configuration is simple, reasonable in design, and arc extinguishing ability is strong, stable and reliable in work and countable, it is simple to later maintenance, replacing.
Description
Technical field
The present invention relates to the lightning protection device of a kind of transmission line of electricity, particularly related to a kind of multistage electric arc and blocked lightning protection device.
Background technology
Thunder and lightning is the key factor affecting power transmission line safety, occupies the first place of line fault tripping operation for a long time, is the natural process of atmospheric events, the most uncontrollable.But we can find thunderbolt rule by being analyzed an often accident, strengthen taking precautions against.As being in that lofty mountains and steep hills or the shaft tower of summit, being in pool or the transmission line of electricity of near reservoir, cross over the mountain ridge or the shaft tower of rivers and lakes and be arranged on the high shaft tower of earth resistance and rock column foot and power transmission line etc. are all to subject to thunderbolt to destroy emphasis.
Thunder and lightning strike can bring damage and the destruction of multi-form to electric power facility, thundercloud discharge can cause Lightning Over-voltage in power system, and overvoltage common in overhead transmission line has thunderbolt to pass through electromagnetic induction overvoltage on power transmission line near aerial line and thunder and lightning directly impacts the overvoltage produced on wire.Thunderbolt causes overvoltage, insulator, power transmission line may be caused damage；Thunderbolt causes insulator arc-over to discharge, and burn can be caused to come off porcelain surface or glass insulator is caused pattern cracking, make dielectric strength be greatly reduced；Thunder and lightning impacts on power transmission line or lightning conducter, disconnected stock may be caused even to rupture, make transmission of electricity work cannot be carried out.
Transmission line of electricity lightning protection always is the important content of power department Thunder Protection, and lightning fault remains one of key factor affecting power grid security.There is the impulse flashover caused during thunderbolt in transmission line of electricity, causes line insulator flashover, then produces the biggest power frequency continued flow, damages insulator chain and gold utensil, causes line accident.This power department is typically used transmission line of electricity install additional line thunder protection device realize protection.
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 to use certain gas or liquid to undertake main rupturing duty mostly.
Lightning protection device is that one can discharge thunder and lightning or the double power system operation overvoltage energy that can discharge, and protection electrical equipment endangers from instantaneous overvoltage, can block again afterflow, it is to avoid cause the electrical installation of system earth short circuit.
A kind of 10～35kV injection of overhead transmission line constraint space gas arc extinguishing lightning protection clearance apparatus, and for example Patent No. 200710066259.6 being applicable to 10～35kV overhead transmission lines as disclosed in Patent No. 201110090288.2
The disclosed constraint space jet-stream wind arc extinguishing lightning protection clearance apparatus for each electric pressure transmission line of electricity, it is all to be installed in parallel in line insulator string two ends, flashover voltage between portable protective gaps is less than by protection insulator chain, thus had precedence over when transmission line of electricity is struck by lightning and punctured by protection insulator chain, during disruptive discharge, while gas exhausted material within constraint space is drastically heated generation gases at high pressure by high-temperature electric arc, signal pickup assembly automatically gathers signal and starts injection gas generating unit, moment produces high velocity air along longitudinally impacting electric arc, it is cooled to extinguish, its arc extinguishing ability is more weak.
A kind of different electric pressure segmentation arc extinguishing lightning protection clearance apparatus storehouses as disclosed in Patent No. 201310297789.7, have employed discoid arc extinguishing storage magazine, gas can be produced after can placing substantial amounts of triggering and carry out the bullet of arc extinguishing, 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 be automatically into bullet trigger position, it is achieved certainly move bullet.Although the deficiency that before overcoming, arc extinguishing bullet arc extinguishing number of times few, effective is few, but do not possesses tally function.
A kind of easy counter for lightning arrester as disclosed in Patent No. 201120391471.1, including lightning arrestor movement acquisition module, electrical switch, single-chip microcomputer and display, lightning arrestor movement acquisition module includes a photoelectrical coupler, the input of photoelectrical coupler connects the switch contact of the heavy-current discharge protection device on spark gap, its outfan is sequentially connected in series a wave filter and two schmitt inverters are connected to the trigger point of electrical switch, the signal output part of electrical switch connects single, the input of sheet machine, the outfan of single-chip microcomputer connects display, this patent production cost is higher.
A kind of leakage conductor discharge counter as disclosed in Patent No. 201410115787.6, including housing, glass capping, valve block, silicon dridge type commutator, capacitor, electric magnetic counter 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, enumerator glass capping uses evagination spherical glass instead to increase further numerical monitor effect, but opposing natural disaster ability is more weak.
Although lightning protection is played a good role by above patent, but still some shortcomings, as, for multiple thunder, arc quenching effect is less obvious, there is phenomenon etc. of restriking, and the volume of discharge counter is bigger, it is 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 substantial amounts of labour force；Additionally.
Summary of the invention
Present invention aims to the deficiencies in the prior art, it is provided that a kind of simple in construction, multistage electric arc reasonable in design, that arc extinguishing ability is strong, stable and reliable in work block lightning protection device.This multistage electric arc blocks lightning protection device by arranging vertical rail, laterally disposed arc extinguishing gas ball, improving the surface structure of arc extinguishing gas ball, gas ball trigger bit and there is difference in height etc. so that it is internal arc extinguishing gas ball amount of storage is big, arc extinguishing gas ball can glide advance under self gravitation effect automatically；Ensureing that trigger action is reliable, continuous, lightning protection arc quenching effect is good.
To achieve these goals, present invention employs techniques below scheme:
A kind of multistage electric arc blocks lightning protection device, including 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 chain by connecting gold utensil；Wherein, the inside in lightning protection device main body is provided with left side storage magazine and right side storage magazine；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 I in ramped shaped and preparation track II in the bottom of vertical rail；End at the preparation track I of left side storage magazine is provided with gas ball trigger bit I, gas ball trigger bit I be respectively provided on two sides with trigger electrode I, trigger electrode I is connected with the induction coil I being used for gathering the lightening pulse signal of telecommunication；End at the preparation track II of right side storage magazine is provided with gas ball trigger bit II, gas ball trigger bit II be respectively provided on two sides with trigger electrode II, trigger electrode II is connected with the induction coil II being used for gathering the lightening pulse signal of telecommunication；One end of described arc electrode is connected with being connected gold utensil, and the other end sequentially passes through induction coil II, induction coil I extends to the neighbouring position between the gentle ball trigger bit II of gas ball trigger bit I.
In the present invention, by the inner space of lightning protection device main body being divide into two storage magazines, and it is provided with vertical rail in storage magazine, again arc extinguishing gas ball is laterally discharged on vertical rail, arc extinguishing gas ball amount of storage storage magazine in so can be significantly greatly increased, the preparation track of inclination is set bottom vertical rail, it is simple to arc extinguishing gas ball is snapped down 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), the most convenient arc extinguishing gas ball enters trigger bit, and arc extinguishing gas ball can be made to be formed with trigger electrode and the most reliably electrically connect.
Further illustrating as the present invention, this multistage electric arc blocks lightning protection device and also includes being respectively and fixedly installed to digit counter I and the digit counter II of lightning protection device body outer surface；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 drive 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 drive shaft of connecting rod with digit counter II.Increase by two enumerators, respectively the trigger action of left and right storage magazine is counted, attendant so can be allowed intuitively to know the arc extinguishing gas ball surplus stored up in magazine, it is simple to carry out more changing device or the preparation of supplementary arc extinguishing gas ball in advance.Arranging counting press points on preparation track, when there being arc extinguishing gas ball to roll landing, arc extinguishing gas ball is walked about lattice through counting press points, the pointer of digit counter, thus is counted once.
Further illustrating as the present invention, above-described arc extinguishing gas ball is provided with shell；Described shell is provided with two symmetric designs the breach in inverted V-shaped, is provided with connection 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 connection electrode of arc extinguishing gas ball is connected with trigger electrode I or trigger electrode II, defines trigger circuit I or trigger circuit II.Specifically, described arc extinguishing gas ball is when preparation track enters gas ball trigger bit, breach on the shell of the arc extinguishing gas ball electrode that is triggered is held, under arc extinguishing gas ball self gravitation effect, arc extinguishing gas ball is transferred to vertical entrance gas ball trigger bit by laterally gliding, and the connection electrode of arc extinguishing gas ball carries out reliable contacts with the trigger electrode of gas ball trigger bit.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 with the connection electrode of arc extinguishing gas ball and connects.The bottom of two inverted V-shaped breach is connected, and i.e. retains the housing portion got off V-shaped.
Further illustrating as the present invention, on the left of the above, the vertical rail of storage magazine and/or right side storage magazine is provided with between more than two row, and the vertical rail two-by-two of the same side storage magazine and is separated by rotatable baffle.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 initially enters preparation track, after waiting that being in the arc extinguishing gas ball of 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 is done in the same fashion movement.
Further illustrating as the present invention, the upper end thereof of above-described rotatable baffle is on the housing of lightning protection device main body.
Further illustrating as the present invention, store up the counting press points I in magazine on the left of the above to be connected on the trigger circuit II in right side storage magazine, when arc extinguishing gas ball enters preparation track I and presses counting press points I, the trigger circuit II in right side storage magazine is off；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 downslide, counting press points I is released, trigger circuit II in right side storage magazine is on state to be triggered, until next in left side storage magazine is sent out arc extinguishing gas ball and entered gas ball trigger bit I, counting press points I is extruded by arc extinguishing gas ball, and trigger circuit II recovers off-state.When the trigger circuit of side is in be triggered, the trigger circuit of opposite side is shorted；When the trigger circuit of side carries out trigger action, the trigger circuit wink of opposite side i.e. enters state to be triggered；So can ensure that thunderbolt gap the most in short-term, can ensure have corresponding arc extinguishing gas ball to carry out trigger action, carry out gas blast arc-quenching.
Further illustrating as the present invention, there is difference in height in the above-described gentle ball trigger bit II of gas ball trigger bit I.So being possible to prevent when multiple thunderbolt, the arc extinguishing gas ball of both sides triggers the phenomenon causing two arc extinguishing gas balls mutually to block in arc extinguishing cylinder the most simultaneously.
Further illustrating as the present invention, 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 a coulomb dish at bearing bar end.By bearing bar, lightning protection device main body can be fixedly mounted on one end or the cross-arm of insulator chain.
The work process (operation principle) of the present invention:
The pressure-bearing type arc-control device of the present invention uses internal symmetry bulk flow line type structure, and one, arc extinguishing gas ball is sent a manuscript to the compositor on the preparation track being listed in vertical track and ramped shaped, and first arc extinguishing gas ball is entered gas ball trigger bit by action of gravity, upset, waited 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 transmission line of electricity occurs thunderbolt, 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, makes arc temperature reduce, and arc energy can not get fully feeding, arc extinction；The mode that arc extinguishing gas ball below arrives gas ball trigger bit again by first arc extinguishing gas ball puts in place, waits and being struck by lightning next time, carries out trigger action.
Advantages of the present invention:
1. simple in construction, reasonable in design, arc extinguishing ability is strong, stable and reliable in work.Using 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 arc extinguishing gas ball is laterally discharged, not only in the case of apparatus main body size is constant, the amount of storage adding arc extinguishing gas ball is many, and utilize the self gravitation of arc extinguishing gas ball, arc extinguishing gas ball can be realized and be snapped down to gas ball trigger bit, it is not necessary to still further increase actuating unit, greatly optimize the structure within apparatus main body.
The most countable, it is simple to later maintenance, replacing.Outer surface in lightning protection device main body is provided with digit counter, arranges counting press points at preparation track；When arc extinguishing gas ball is by once, and digit counter just counts once；Attendant so can be allowed to know action frequency, current action number of times, residue action frequency etc. the most intuitively, it is simple in time lightning protection device is replaced, safeguards, it is ensured that the operation duration of lightning protection device.
The most safe and reliable.Two mutual lockings of trigger circuit, it is ensured that thunderbolt gap the most in short-term, can ensure have corresponding arc extinguishing gas ball to carry out trigger action, carry out gas blast arc-quenching.There is difference in height in two gas ball trigger bits, is possible to prevent when multiple thunderbolt, and the arc extinguishing gas ball of both sides triggers the phenomenon causing two arc extinguishing gas balls mutually to block in arc extinguishing cylinder the most simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the schematic diagram of arc extinguishing gas ball in one embodiment of the invention.
Fig. 3 is the structural representation of another embodiment of the present invention.
Reference:
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, 315-bearing bar, 316-coulomb dish.
Detailed description of the invention
The present invention is further described below in conjunction with the accompanying drawings.
Embodiment 1:
Such as Fig. 1, shown in 2, a kind of multistage electric arc blocks lightning protection device, including lightning protection device main body, arc electrode 308, and is respectively and fixedly installed to digit counter I 305 and the digit counter II 311 of lightning protection device body outer surface；Described lightning protection device main body is fixedly mounted on cross-arm by connecting gold utensil；Wherein, the inside in lightning protection device main body is provided with left side storage magazine and right side storage magazine；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 are respectively equipped with the preparation track I in ramped shaped and preparation track II in the bottom of vertical rail 301；End at the preparation track I of left side storage magazine is provided with gas ball trigger bit I 307, gas ball trigger bit I 307 be respectively provided on two sides with trigger electrode I 306, trigger electrode I 306 is connected with the induction coil I 313 being used for gathering the lightening pulse signal of telecommunication；End at the preparation track II of right side storage magazine is provided with gas ball trigger bit II 309, gas ball trigger bit II 309 be respectively provided on two sides with trigger electrode II 310, trigger electrode II 310 is connected with the induction coil II 314 being used for gathering the lightening pulse signal of telecommunication；One end of described arc electrode 308 is connected with being connected gold utensil, and the other end sequentially passes through induction coil II 314, induction coil I 313 extends to the neighbouring position between the gentle ball trigger bit II 309 of gas ball trigger bit I 307.
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 drive 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 drive shaft of connecting rod with digit counter II 311.
Described arc extinguishing gas ball 303 is provided with shell；Described shell is provided with two symmetric designs the breach in inverted V-shaped, is provided with connection 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 connection electrode of arc extinguishing gas ball 303 is connected with trigger electrode I 306 or trigger electrode II 310, defines trigger circuit I or trigger circuit II.Counting press points I 304 in described left side storage magazine is connected on the trigger circuit 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 trigger circuit II in right side storage magazine is off；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 downslide, counting press points I 304 is released, trigger circuit II in right side storage magazine is on state to be triggered, until next in left side storage magazine is sent out arc extinguishing gas ball 303 and entered gas ball trigger bit I 307, counting press points I 304 is extruded by arc extinguishing gas ball 303, and trigger circuit II 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 between three row, and the vertical rail two-by-two of the same side storage magazine and is separated by rotatable baffle 302.The upper end thereof of described rotatable baffle 302 is on the housing of lightning protection device main body.
Embodiment 2:
A kind of multistage electric arc blocks lightning protection device, including lightning protection device main body, arc electrode 308, and is respectively and fixedly installed to digit counter I 305 and the digit counter II 311 of lightning protection device body outer surface；Described lightning protection device main body is fixedly mounted on cross-arm by connecting gold utensil；Wherein, the inside in lightning protection device main body is provided with left side storage magazine and right side storage magazine；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 are respectively equipped with the preparation track I in ramped shaped and preparation track II in the bottom of vertical rail 301；End at the preparation track I of left side storage magazine is provided with gas ball trigger bit I 307, gas ball trigger bit I 307 be respectively provided on two sides with trigger electrode I 306, trigger electrode I 306 is connected with the induction coil I 313 being used for gathering the lightening pulse signal of telecommunication；End at the preparation track II of right side storage magazine is provided with gas ball trigger bit II 309, gas ball trigger bit II 309 be respectively provided on two sides with trigger electrode II 310, trigger electrode II 310 is connected with the induction coil II 314 being used for gathering the lightening pulse signal of telecommunication；One end of described arc electrode 308 is connected with being connected gold utensil, and the other end sequentially passes through induction coil II 314, induction coil I 313 extends to the neighbouring position between the gentle ball trigger bit II 309 of gas ball trigger bit I 307.
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 drive 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 drive shaft of connecting rod with digit counter II 311.
Described arc extinguishing gas ball 303 is provided with shell；Described shell is provided with two symmetric designs the breach in inverted V-shaped, is provided with connection 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 connection electrode of arc extinguishing gas ball 303 is connected with trigger electrode I 306 or trigger electrode II 310, defines trigger circuit I or trigger circuit II.Counting press points I 304 in described left side storage magazine is connected on the trigger circuit 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 trigger circuit II in right side storage magazine is off；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 downslide, counting press points I 304 is released, trigger circuit II in right side storage magazine is on state to be triggered, until next in left side storage magazine is sent out arc extinguishing gas ball 303 and entered gas ball trigger bit I 307, counting press points I 304 is extruded by arc extinguishing gas ball 303, and trigger circuit II 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 between two row, and the vertical rail two-by-two of the same side storage magazine and is separated by rotatable baffle 302.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 a coulomb dish at bearing bar end.
Embodiment 3:
A kind of multistage electric arc blocks lightning protection device, including 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 chain by connecting gold utensil；Wherein, the inside in lightning protection device main body is provided with left side storage magazine and right side storage magazine；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 are respectively equipped with the preparation track I in ramped shaped and preparation track II in the bottom of vertical rail 301；End at the preparation track I of left side storage magazine is provided with gas ball trigger bit I 307, gas ball trigger bit I 307 be respectively provided on two sides with trigger electrode I 306, trigger electrode I 306 is connected with the induction coil I 313 being used for gathering the lightening pulse signal of telecommunication；End at the preparation track II of right side storage magazine is provided with gas ball trigger bit II 309, gas ball trigger bit II 309 be respectively provided on two sides with trigger electrode II 310, trigger electrode II 310 is connected with the induction coil II 314 being used for gathering the lightening pulse signal of telecommunication；One end of described arc electrode 308 is connected with being connected gold utensil, and the other end sequentially passes through induction coil II 314, induction coil I 313 extends to the neighbouring position between the gentle ball trigger bit II 309 of gas ball trigger bit I 307.
Described arc extinguishing gas ball 303 is provided with shell；Described shell is provided with two symmetric designs the breach in inverted V-shaped, is provided with connection 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 connection electrode of arc extinguishing gas ball 303 is connected with trigger electrode I 306 or trigger electrode II 310, defines trigger circuit I or trigger circuit II.Described trigger circuit I and the mutual locking of trigger circuit II.There is difference in height in the described gentle ball trigger bit II 309 of gas ball trigger bit I 307.
Claims (8)
1. multistage electric arc blocks a lightning protection device, including 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 chain 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 are respectively equipped with the preparation track I in ramped shaped and preparation track II in the bottom of vertical rail (301)；End at the preparation track I of left side storage magazine is provided with gas ball trigger bit I (307), gas ball trigger bit I (307) be respectively provided on two sides with trigger electrode I (306), trigger electrode I (306) is connected with for gathering the induction coil I (313) of the lightening pulse signal of telecommunication；End at the preparation track II of right side storage magazine is provided with gas ball trigger bit II (309), gas ball trigger bit II (309) be respectively provided on two sides with trigger electrode II (310), trigger electrode II (310) is connected with for gathering the induction coil II (314) of the lightening pulse signal of telecommunication；One end of described arc electrode (308) is connected with being connected gold utensil, and the other end sequentially passes through induction coil II (314), induction coil I (313) extends to the neighbouring position between the gentle ball trigger bit of gas ball trigger bit I (307) II (309).
Multistage electric arc the most according to claim 1 blocks lightning protection device, it is characterised in that: also include digit counter I (305) and the digit counter II (311) being respectively and fixedly installed to lightning protection device body outer surface；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 drive 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 drive shaft of connecting rod with digit counter II (311).
Multistage electric arc the most according to claim 2 blocks lightning protection device, it is characterised in that: described arc extinguishing gas ball (303) is provided with shell；Described shell is provided with two symmetric designs the breach in inverted V-shaped, is provided with connection 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 connection electrode of arc extinguishing gas ball (303) is connected with trigger electrode I (306) or trigger electrode II (310), defines trigger circuit I or trigger circuit II.
Multistage electric arc the most 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 between more than two row, and the vertical rail two-by-two of the same side storage magazine and is separated by rotatable baffle (302).
Multistage electric arc the most according to claim 4 blocks lightning protection device, it is characterised in that: the upper end thereof of described rotatable baffle (302) is on the housing of lightning protection device main body.
Multistage electric arc the most 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 trigger circuit II in right side storage magazine, when arc extinguishing gas ball (303) enters preparation track I and presses counting press points I (304), the trigger circuit II in right side storage magazine is off；After 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 downslide, counting press points I (304) is released, trigger circuit II in right side storage magazine is on state to be triggered, until next in left side storage magazine is sent out arc extinguishing gas ball (303) and is entered gas ball trigger bit I (307), counting press points I (304) is extruded by arc extinguishing gas ball (303), and trigger circuit II recovers off-state.
7. block lightning protection device according to the multistage electric arc described in claim 1 or 6, it is characterised in that: there is difference in height in the described gentle ball trigger bit of gas ball trigger bit I (307) II (309).
Multistage electric arc the most according to claim 1 blocks lightning protection device, it is characterised 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 a coulomb dish at bearing bar end.
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| CN201510069028.5A CN104700967B (en) | 2015-02-10 | 2015-02-10 | A kind of multistage electric arc blocks lightning protection device |
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| CN201510069028.5A CN104700967B (en) | 2015-02-10 | 2015-02-10 | A kind of multistage electric arc blocks lightning protection device |
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| CN104700967B true CN104700967B (en) | 2017-01-04 |
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| CN105186290B (en) * | 2015-08-14 | 2017-02-01 | 王巨丰 | Arc extinguishing lightning protection device capable of excluding bomb jamming |
| CN109462147A (en) * | 2018-11-07 | 2019-03-12 | 南宁超伏电气科技有限公司 | A kind of double bullet back-up devices of the protection superposition thunder of open ended side detent |
| CN111834901B (en) * | 2019-04-16 | 2021-07-27 | 王巨丰 | Multistage back-flushing arc extinguishing method and system |
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| JP4387005B2 (en) * | 1999-09-29 | 2009-12-16 | 財団法人電力中央研究所 | Arc horn extinguishing device |
| CN102856021B (en) * | 2012-09-27 | 2014-11-05 | 王巨丰 | Follow current-free arc lightening-protection gap protection device |
| CN104299732B (en) * | 2014-10-13 | 2016-09-14 | 王巨丰 | A kind of gravity-driven changes the arc-control device of bullet |
| CN204360854U (en) * | 2015-02-10 | 2015-05-27 | 王巨丰 | A kind of multistage electric arc blocks lightning protection device |
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