A kind of compression synthesis in solid state arc extinguishing lightning protection device
Technical field
The present invention relates to arc extinguishing lightning protection device technical field, especially a kind of compression synthesis in solid state arc extinguishing lightning protection device.
Background technology
Thunder and lightning is the key factor for influencing power transmission line safety, occupies the first place of line fault tripping for a long time, is air
Movable natural process, it is also uncontrollable so far.But we can be by analyzing often sending out accident, searching lightning stroke rule,
Reinforce taking precautions against.As in lofty mountains and steep hills or the shaft tower of summit, the transmission line of electricity in pool or near reservoir, across the mountain ridge or river
The shaft tower and be all to be subject to lightning stroke to destroy emphasis mounted on the high shaft tower of ground resistance and rock column foot and power transmission line etc. that river and lake is moored.
Thunder and lightning strike can bring various forms of damages and destruction, thundercloud discharge that can draw in the power system to electric power facility
Play Lightning Over-voltage, in overhead transmission line common overvoltage have lightning stroke near overhead line by electromagnetic induction on power transmission line
Overvoltage and thunder and lightning directly strike the overvoltage generated on conducting wire.Lightning stroke causes overvoltage, may be made to insulator, power transmission line
At damage;Lightning stroke causes insulator arc-over to discharge, and burn can be caused to fall off or caused to glass insulator netted to porcelain surface
Crackle makes dielectric strength be greatly reduced;Thunder and lightning strikes on power transmission line or lightning conducter, may cause stranded or even fracture, make
Transmission of electricity work can not carry out.
Transmission line of electricity lightning protection always is that the important content of power department Thunder Protection, lightning fault are still influence power grid
One of the key factor of safety.Caused impulse flashover when transmission line of electricity is struck by lightning, leads to line insulator flashover, then produces
Raw prodigious power frequency continued flow, damages insulator chain and gold utensil, leads to line accident.To this power department generally using in power transmission line
Road installs line thunder protection device additional to realize protection.
Electric arc is the free gas of high temperature high conductivity, and electric arc is eliminated, abbreviation arc extinguishing.Method that there are many arc extinguishings,
It is that main rupturing duty is undertaken using certain gas or liquid mostly.
Lightning protection device be it is a kind of can discharge thunder and lightning or and can discharge power system operation overvoltage energy, protection electrical equipment is exempted from
It is endangered by instantaneous overvoltage, and afterflow can be blocked, avoid the electrical installation for causing system earth short circuit.
As disclosed in Patent No. 201110090288.2 it is a kind of be suitable for 10~35kV overhead transmission lines 10~
35kV overhead transmission line constraint spaces spray gas arc extinguishing lightning protection clearance apparatus, and for another example Patent No. 200710066259.6 is public
The constraint space jet-stream wind arc extinguishing lightning protection clearance apparatus for each voltage class transmission line of electricity opened, is installed in parallel in line
Road insulator chain both ends, the flashover voltage between portable protective gaps are less than by protection insulator chain, in transmission line of electricity by thunder
Prior to being punctured by protection insulator chain when hitting, when disruptive discharge, the gas exhausted material inside constraint space by high-temperature electric arc drastically
While heating generates high pressure gas, signal pickup assembly automatic collection signal simultaneously starts injection gas generating unit, moment production
Raw high-speed flow causes electric arc to impact, be cooled to extinguishing along longitudinal direction, and arc extinguishing ability is weaker.
A kind of different voltages grade segmentation arc extinguishing lightning protection clearance apparatus storehouse as disclosed in Patent No. 201310297789.7,
Discoid arc extinguishing storage magazine is used, the bullet of gas progress arc extinguishing can be generated after a large amount of triggering can be placed, and pass through
The twisting force of plane scroll spring makes arc extinguishing bullet be arranged closely in the storage bullet track of arc extinguishing storage magazine I so that currently goes out
After the triggering of arc bullet is fallen, next hair can be realized automatically into bullet trigger position and move bullet certainly.
Although above patent plays a good role to lightning protection, it is complicated that superposition thunder and multiple thunder etc. cannot be coped with
The complex situations of lightning stroke.
Invention content
The purpose of the present invention is to provide a kind of compression synthesis in solid state arc extinguishings countable, arc quenching effect is good, applicability is wide
Lightning protection device, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides the following technical solutions:
A kind of compression synthesis in solid state arc extinguishing lightning protection device, arc extinguishing lightning protection device main body is divided into epimere gap in arcing chamber channel and hypomere goes out
Arc cylinder, it is characterised in that:The gap in arcing chamber channel is arranged with compression arc extinguishing Multiple level channel and solid phase arc extinguishing main gap channel;
The solid phase arc extinguishing main gap channel mainly by shell, arc extinguishing cylinder, starting rod, arc electrode, induction coil, on
Lid, the first screens stick, the second screens stick, disk, shaft, vortex spring, counts pointer, counter code disc and solid phase arc extinguishing at annulus
Gas ball forms;The shell is fixedly installed togather with arc extinguishing cylinder;The shell is internally provided with starting rod, starting rod
Both ends are both provided with arc electrode, and the arc electrode of starting rod one end is connect with arc extinguishing cylinder, the arc electrode of the starting rod other end
It is connect with shell;The induction coil is socketed on starting rod;The top of the shell is provided with upper cover, and upper cover lid is closed in shell
On;The annulus is arranged in the inside of shell, and the annulus nested inside is provided with disk, the annulus and disk top
It is respectively arranged with vortex spring, the vortex spring of the annulus and disk is driven by shaft jointly, and one end of shaft is fixed on
It covers;The annulus and disk is both provided with solid phase arc extinguishing gas ball, the solid phase arc extinguishing gas being provided in annulus in control annulus
First screens stick of ball triggering, the bottom of disk are provided with the second screens stick of the solid phase arc extinguishing gas ball triggering in control disk;
The bottom of disk is provided with the counting pointer for calculating the solid phase arc extinguishing gas ball action frequency in disk, and the bottom of annulus is provided with meter
Calculate the counter code disc of the solid phase arc extinguishing gas ball action frequency in annulus;
The compression arc extinguishing Multiple level channel is used in conjunction with shell, arc extinguishing cylinder, striking with solid phase arc extinguishing main gap channel
Stick, arc electrode, induction coil, upper cover;The compression arc extinguishing Multiple level channel is arranged in the outside of shell and around shell one
Week, the compression arc extinguishing Multiple level channel are the Z-shaped arc extinguishing channel being made of compressed pipe and T-shape tube, the compression
Pipe is provided with compression arc extinguishing gas ball;The compressed pipe of the last position is connected with arc electrode.
Operation principle:
Epimere is compression arc extinguishing Multiple level channel, and while arc flash main gap, electric arc also enters and arc electrode
In the epimere compression arc extinguishing Multiple level channel of concatenation, this channel is the arc extinguishing path in Z-shaped (since compression arc extinguishing Multiple level is logical
The striking effect of arc ball is led in road, epimere arc path is defined in compression arc extinguishing Multiple level channel), Z-shaped arc extinguishing channel
By compressed pipe and T-shape tube according to certain mode ordered arrangement.When each section of compression in arc extinguishing path of the electric arc Jing Guo Z-shaped
Guan Shi, compressed pipe carry out blowing drawing, make electric arc be more prone to be blown out, together because high temperature generates strong longitudinal air flow to the inflection point of electric arc
When impact electric arc after by compressed pipe strong compression, bending, high axis barometric gradient is generated in compressed pipe, electric arc by pressing
It is sprayed to the external world in the draw, electric arc is made to form fracture in multiple spot;When electric arc is through each section of T-shape tube in overcompression arc extinguishing path
When, because high temperature generates strong crossflow, accelerates electric arc cooling and go free process, electric arc breakpoint is made more to be more easy to extinguish.In conjunction with
Longitudinal and transverse two blown effect forms the segmentation electric arc of large scale in whole arc extinguishing structure, and multiple spot described here blocks electric arc, pressure
Contracting electric arc in electric arc inflection point arc extinguishing is all the effective arc quenching method rationally taken using electric arc self property.
Hypomere is solid fraction (solid phase arc extinguishing main gap channel), and solid fraction is designed as the form of annulus set disk, circle
A certain number of solid phase arc extinguishing gas balls are each fitted on ring and disk, there are two hair solid phase arc extinguishing gas balls (one in synchronization guarantee
Hair is located at annulus, and a hair is located at disk) while being directed at arc extinguishing cylinder while being in trigger bit.Two solid phase arc extinguishings for being located at trigger bit
Gas ball is by selecting switch only there are one conducting, and the gas ball fixed tentatively on annulus is preferentially connected, and the gas ball on disk is in and waits being connected
State.After in lightning flash over arc extinguishing channel, electric arc enters the arc electrode of compression synthesis in solid state arc extinguishing lightning protection device, due to striking electricity
There are one induction coil (induction coil), the presence of electric arc, and induction coil induction to be made to generate electric current for pole housing.The sense of induction coil
Induced current triggering is located at the solid phase arc extinguishing gas ball on the annulus having been turned on.Solid phase arc extinguishing gas ball smoothly acts, and generates thump
Airflow function makes electric arc block rapidly in electric arc.Once being connected, selecting switch connects solid phase arc extinguishing gas ball on annulus at once
Solid phase arc extinguishing gas ball on logical disk.If there is the case where the second weight thunder electric discharge at this time, since the solid phase on turntable is gone out
Arc gas ball is in the conduction state, and the suddenly variation of arc current will encourage induction coil to generate induced current triggering admittedly again
Phase arc extinguishing gas ball, repeat more than arc extinguishing action, and next hair solid phase arc extinguishing gas after second triggering arc extinguishing on annulus
Ball reaches trigger bit by mechanical rotation, and second gets angry ball (being located on arc extinguishing disk) once triggering, and selecting switch is vertical
Third is connected to get angry ball (be located at arc extinguishing annulus on).If hereafter having the case where third weight thunder electric discharge again, due to being located at turntable
On solid phase arc extinguishing gas ball (third hair) it is in the conduction state, induction coil generate induced current again trigger solid phase go out
Arc gas ball, repeat more than arc extinguishing action.No matter subsequently there are several heavy lightning flash over channels like this, can take like this
Annulus and disc wheel conductance lead to the mechanism of arc extinguishing, with give each other more times trigger bit is reached by mechanical rotation.Double solid phases
The design in trigger bit simultaneously of arc extinguishing gas ball is specifically used to the problem of reply repeats thunder, and annulus and disk are driven by clockwork spring
Mechanically rotate along shaft, although every time after the triggering of gas ball mechanical rotation to next gas ball rotational travel very little, it is mechanical
Rotation time is compared with interval time of thunder or slightly larger is repeated, and the design in trigger bit makes ball of bringing about the desired sensation to double solid phase arc extinguishing gas balls simultaneously
The time of switching is become the switching time of selecting switch from the mechanical rotation time, and the time greatly shortens, and is conducive to fully answer counterweight
The problem of multiple thunder repeats to build arc.
" tail gas " and compression arc extinguishing mechanism of solid phase arc extinguishing air-flow form " joint is encircled and suppressed " the arc process of building of " boring neutral gear "
Situation is formed and is effectively prevented superposition thunder and multiple thunder.Epimere compresses arc extinguishing Multiple level channel and the double solid phases of hypomere solid phase
The cooperation of arc extinguishing gas ball is with synergistic effect so that entire arc-control device is to repeating thunder Trinitarian anti-effect of going out.
As being further improved for technical solution, above-described compressed pipe is made of ceramic material, two compressed pipes it
Between form one and be less than 90 ° of angle.
As being further improved for technical solution, above-described compressed pipe is in the outside of shell helically shaped formation.
As being further improved for technical solution, above-described groove is semicircle groove.
As being further improved for technical solution, above-described arc extinguishing cylinder uses three stage structure, that is, uses screw thread to connect
It connects mode three sections of arc extinguishing cylinders are formed by connecting.
As being further improved for technical solution, starting rod described above is made by graphite material.
Compared with prior art, advantageous effect of the present invention:
1. a kind of compression synthesis in solid state arc extinguishing lightning protection device of the present invention, for the first time using compression arc extinguishing Multiple level and solid phase detonation gas
The joint-action mechanism that stream arc quenching method is combined with abundant reply superposition thunder and repeats thunder problem, improves the arc extinguishing effect of lightning protection device
Fruit and applicability.
2. solid phase arc extinguishing section of the present invention is in the design of trigger bit using double solid phase arc extinguishing gas balls of annulus and disk simultaneously,
Ball switching time that makes to bring about the desired sensation is become the switching time of selecting switch from the mechanical rotation time, the latter be generally only the former five/
One arrives one third.
3. solid phase arc extinguishing section of the present invention is in the design of trigger bit using double solid phase arc extinguishing gas balls of annulus and disk simultaneously,
Though having substantially reduced gas ball switching time but still being more than ten milliseconds of time interval, ball trigger interval is got angry still sometimes two
Between on lightning protection gap and loophole, and the presence for compressing arc extinguishing Multiple level part have conducive to the time formed supplement, formed arc extinguishing
Temporal seamless process connection.
4. solid phase arc extinguishing section of the present invention is in the design of trigger bit using double solid phase arc extinguishing gas balls of annulus and disk simultaneously,
Though having substantially reduced gas ball switching time but still being more than ten milliseconds of time interval, in the case where upper one gets angry and arrives after ball triggering
One gets angry before ball triggering, presence that arc extinguishing air-flow decays rapidly in intensity, and compresses arc extinguishing Multiple level part have conducive to
Supplement is formed in arc extinguishing intensity, forms the seamless process connection in arc extinguishing intensity.
Description of the drawings
Fig. 1 is solid phase arc extinguishing main gap access diagram of the present invention.
Fig. 2 is present invention compression arc extinguishing Multiple level access diagram.
In figure:1- arc extinguishing lightning protection device main bodys;2- solid phase arc extinguishing main gaps channel, 201- shells;202- arc extinguishing cylinders;203- draws
Arc stick;204- arc electrodes;205- induction coils;206- upper covers;207- annulus;208- the first screens sticks;The second screens of 209-
Stick;210- disks;211- shafts;212- vortex springs;213- counts pointer;214- counter code discs;215- solid phase arc extinguishing gas balls;
3- compresses arc extinguishing Multiple level channel, 331- compressed pipes, and 332- compresses arc extinguishing gas ball, 333- T-shape tubes, and 334 Z-shaped arc extinguishings lead to
Road.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the present invention provides following examples:
Embodiment 1
A kind of compression synthesis in solid state arc extinguishing lightning protection device, including arc extinguishing lightning protection device main body (1), arc extinguishing lightning protection device main body (1) point
For epimere gap in arcing chamber channel and hypomere arc extinguishing cylinder, the gap in arcing chamber channel be arranged with compression arc extinguishing Multiple level channel (3) and
Solid phase arc extinguishing main gap channel (2);
The solid phase arc extinguishing main gap channel (2) mainly by shell (201), arc extinguishing cylinder (202), starting rod (203), draw
Arc electrode (204), induction coil (205), upper cover (206), annulus (207), the first screens stick (208), the second screens stick
(209), disk (210), shaft (211), vortex spring (212), counting pointer (213), counter code disc (214) and solid phase arc extinguishing
Gas ball (215) forms;The shell (201) is fixedly installed togather with arc extinguishing cylinder (202);The inside of the shell (201)
It is provided with starting rod (203), the both ends of starting rod (203) are both provided with arc electrode (204), and starting rod (203) one end is drawn
Arc electrode (204) is connect with arc extinguishing cylinder (202), and the arc electrode (204) of starting rod (203) other end is connect with shell (201);
The induction coil (205) is socketed on starting rod (203);The top of the shell (201) is provided with upper cover (206), upper cover
(206) lid closes on shell (201);In the inside of shell (201), the annulus (207) is internal for annulus (207) setting
It is nested disk (210), vortex spring (212), institute are respectively arranged at the top of the annulus (207) and disk (210)
The vortex spring (212) for stating annulus (207) and disk (210) is driven by shaft (211) jointly, and one end of shaft (211) is fixed
In upper cover (206);The annulus (207) and disk (210) is both provided with solid phase arc extinguishing gas ball (215), and annulus (207) is interior
It is provided with the first screens stick (9) of solid phase arc extinguishing gas ball (215) triggering in control annulus (207), the bottom of disk (210) is set
It is equipped with the second screens stick (209) of solid phase arc extinguishing gas ball (215) triggering in control disk (210);The bottom of disk (210) is set
It is equipped with the counting pointer (213) for calculating solid phase arc extinguishing gas ball (215) action frequency in disk (210), the bottom of annulus (207)
It is provided with the counter code disc (214) for calculating solid phase arc extinguishing gas ball (215) action frequency in annulus (207);
The compression arc extinguishing Multiple level channel (3) and solid phase arc extinguishing main gap channel (2) be used in conjunction with shell (201),
Arc extinguishing cylinder (202), starting rod (203), arc electrode (204), induction coil (205), upper cover (206);The compression arc extinguishing
Multiple level channel (3) setting is in the outside of shell (201) and around shell (201) one weeks, the compression arc extinguishing Multiple level channel
(3) it is the Z-shaped arc extinguishing channel (334) being made of compressed pipe (331) and T-shape tube (333), the compressed pipe (331) is set
It is equipped with compression arc extinguishing gas ball (332);The compressed pipe (331) of the last position is connected with arc electrode (204).
Operation principle:
Epimere is compression arc extinguishing Multiple level channel, and while arc flash main gap, electric arc also enters and arc electrode
In the epimere compression arc extinguishing Multiple level channel of concatenation, this channel is the arc extinguishing path in Z-shaped (since compression arc extinguishing Multiple level is logical
The striking effect of arc ball is led in road, epimere arc path is defined in compression arc extinguishing Multiple level channel), Z-shaped arc extinguishing channel
By compressed pipe and T-shape tube according to certain mode ordered arrangement.When each section of compression in arc extinguishing path of the electric arc Jing Guo Z-shaped
Guan Shi, compressed pipe carry out blowing drawing, make electric arc be more prone to be blown out, together because high temperature generates strong longitudinal air flow to the inflection point of electric arc
When impact electric arc after by compressed pipe strong compression, bending, high axis barometric gradient is generated in compressed pipe, electric arc by pressing
It is sprayed to the external world in the draw, electric arc is made to form fracture in multiple spot;When electric arc is through each section of T-shape tube in overcompression arc extinguishing path
When, because high temperature generates strong crossflow, accelerates electric arc cooling and go free process, electric arc breakpoint is made more to be more easy to extinguish.In conjunction with
Longitudinal and transverse two blown effect forms the segmentation electric arc of large scale in whole arc extinguishing structure, and multiple spot described here blocks electric arc, pressure
Contracting electric arc in electric arc inflection point arc extinguishing is all the effective arc quenching method rationally taken using electric arc self property.
Hypomere is solid fraction (solid phase arc extinguishing main gap channel), and solid fraction is designed as the form of annulus set disk, circle
A certain number of solid phase arc extinguishing gas balls are each fitted on ring and disk, there are two hair solid phase arc extinguishing gas balls (one in synchronization guarantee
Hair is located at annulus, and a hair is located at disk) while being directed at arc extinguishing cylinder while being in trigger bit.Two solid phase arc extinguishings for being located at trigger bit
Gas ball is by selecting switch only there are one conducting, and the gas ball fixed tentatively on annulus is preferentially connected, and the gas ball on disk is in and waits being connected
State.After in lightning flash over arc extinguishing channel, electric arc enters the arc electrode of compression synthesis in solid state arc extinguishing lightning protection device, due to striking electricity
There are one induction coil (induction coil), the presence of electric arc, and induction coil induction to be made to generate electric current for pole housing.The sense of induction coil
Induced current triggering is located at the solid phase arc extinguishing gas ball on the annulus having been turned on.Solid phase arc extinguishing gas ball smoothly acts, and generates thump
Airflow function makes electric arc block rapidly in electric arc.Once being connected, selecting switch connects solid phase arc extinguishing gas ball on annulus at once
Solid phase arc extinguishing gas ball on logical disk.If there is the case where the second weight thunder electric discharge at this time, since the solid phase on turntable is gone out
Arc gas ball is in the conduction state, and the suddenly variation of arc current will encourage induction coil to generate induced current triggering admittedly again
Phase arc extinguishing gas ball, repeat more than arc extinguishing action, and next hair solid phase arc extinguishing gas after second triggering arc extinguishing on annulus
Ball reaches trigger bit by mechanical rotation, and second gets angry ball (being located on arc extinguishing disk) once triggering, and selecting switch is vertical
Third is connected to get angry ball (be located at arc extinguishing annulus on).If hereafter having the case where third weight thunder electric discharge again, due to being located at turntable
On solid phase arc extinguishing gas ball (third hair) it is in the conduction state, induction coil generate induced current again trigger solid phase go out
Arc gas ball, repeat more than arc extinguishing action.No matter subsequently there are several heavy lightning flash over channels like this, can take like this
Annulus and disc wheel conductance lead to the mechanism of arc extinguishing, with give each other more times trigger bit is reached by mechanical rotation.Double solid phases
The design in trigger bit simultaneously of arc extinguishing gas ball is specifically used to the problem of reply repeats thunder, and annulus and disk are driven by clockwork spring
Mechanically rotate along shaft, although every time after the triggering of gas ball mechanical rotation to next gas ball rotational travel very little, it is mechanical
Rotation time is compared with interval time of thunder or slightly larger is repeated, and the design in trigger bit makes ball of bringing about the desired sensation to double solid phase arc extinguishing gas balls simultaneously
The time of switching is become the switching time of selecting switch from the mechanical rotation time, and the time greatly shortens, and is conducive to fully answer counterweight
The problem of multiple thunder repeats to build arc.
" tail gas " and compression arc extinguishing mechanism of solid phase arc extinguishing air-flow form " joint is encircled and suppressed " the arc process of building of " boring neutral gear "
Situation is formed and is effectively prevented superposition thunder and multiple thunder.Epimere compresses arc extinguishing Multiple level channel and the double solid phases of hypomere solid phase
The cooperation of arc extinguishing gas ball is with synergistic effect so that entire arc-control device is to repeating thunder Trinitarian anti-effect of going out.
Embodiment 2
The places different from embodiment 1 are:The compressed pipe (331) is made of ceramic material, two compressed pipes
(331) angle for being less than 90 ° is formed between.
Embodiment 3
The places different from embodiment 2 are:The compressed pipe (331) is in the outside of shell (201) helically type shape
Arrangement.
Embodiment 4
It is from 2 different places are implemented:The arc extinguishing cylinder (202) uses three stage structure, i.e., using threaded connection
Three sections of arc extinguishing cylinders are formed by connecting by mode.Embodiment 5
The places different from embodiment 2 are:The groove (213) is semicircle groove.
Embodiment 5
The places different from embodiment 1 are:The arc electrode (204,336) is made by graphite material.
In summary:The epimere compression arc extinguishing Multiple level of a kind of compression synthesis in solid state arc extinguishing lightning protection device of the present invention, setting is logical
The cooperation of the double solid phase arc extinguishing gas balls of road and hypomere with synergistic effect so that entire arc-control device have to repeatedly thunder it is Trinitarian
Anti- effect of going out.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.