CN106057568A - Composite insulation pillar type SF6 breaker - Google Patents
Composite insulation pillar type SF6 breaker Download PDFInfo
- Publication number
- CN106057568A CN106057568A CN201610530803.7A CN201610530803A CN106057568A CN 106057568 A CN106057568 A CN 106057568A CN 201610530803 A CN201610530803 A CN 201610530803A CN 106057568 A CN106057568 A CN 106057568A
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
- H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
- H01H33/91—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism the arc-extinguishing fluid being air or gas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/22—Selection of fluids for arc-extinguishing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
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- Circuit Breakers (AREA)
Abstract
The invention discloses a composite insulation pillar type SF6 breaker. The composite insulation pillar type SF6 breaker comprises inlet and outlet wiring terminals, a composite insulation arc-extinguishing chamber sleeve, an arc-extinguishing chamber unit, a composite insulation pillar sleeve, an insulation pull bar, a mechanism case and a hydraulic mechanism. Since a conventional dual-fracture arc-extinguishing chamber unit is replaced by the high-voltage large-capacity single-fracture arc-extinguishing chamber unit, a transmission link is simplified, the reliability is improved, operation work needed by the mechanism is also greatly reduced, and the design difficulty of the mechanism is simplified; and the composite insulation pillar sleeve and the composite insulation arc-extinguishing chamber sleeve are employed, the integral body is arranged in a vertical coaxial mode, the weight is light, the gravity center is low, and the anti-seismic grade of the breaker apparatus is greatly improved.
Description
Technical field
The present invention relates to power transmission and transformation field, particularly relate to a kind of compound inslation column support type SF6 chopper.
Background technology
In power transmission and transformation system, high-tension switch gear be responsible for control, protect, the critical function such as measurement.
At present, the 363kV porcelain knob breaker that ehv power transmission system uses is all to use two arc-chutes series connection
Double-fracture structure, volume is big, and structure is complicated, and earthquake resisting performance is poor, and cost is high.
Now, the construction of extra-high voltage electric transmission and transformation system is increasingly wider, and the porcelain knob breaker gesture of development extra-high voltage grade exists
Must go.If using traditional porcelain column type circuit breaker designing technique, then the porcelain knob breaker of extra-high voltage grade then needs to use
The multi-break structure of three to four arc-chutes series connection, reliability is lower, the most seriously constrains its development process.
Summary of the invention
In order to overcome above-mentioned deficiency of the prior art, it is an object of the invention to, it is provided that a kind of compound inslation column support type
Chopper, including: on off mechanism；
Described on off mechanism includes: static contact component and moving contact component；Described static contact component is provided with the quiet arc section of touching and encloses
Being wound on outside the quiet arc section of touching, the quiet master having setting at regular intervals with the quiet arc section of touching touches cylinder；
Close moving contact component one end of the quiet arc section of touching is provided with static arc contact, and quiet master touches close moving contact component one end of cylinder and is provided with
Quiet main contact；
Described moving contact component is provided with dynamic arc sleeve, and dynamic arc sleeve is hollow structure, and dynamic arc sleeve one end is provided with moving arcing contact, dynamic
The arc sleeve other end is provided with dynamic arc and supports end；Dynamic arc cartridge exterior is arranged with the first flange；First flange includes: the first straight tube
Section, bending cylinder section, the second direct tube section and be set in the convex dish outside the first direct tube section；
First direct tube section is connected with the second direct tube section by bending cylinder section, and the first direct tube section is formed with bending cylinder section and supports platform, dynamic
The dynamic arc of arc sleeve supports end and supports platform and offset, and supports along dynamic arc and holds lateral wall to be circumferentially with a circle to move arc boss, the
The medial wall of one direct tube section is circumferentially sequentially provided with the first straight tube boss, the first straight tube projection, the first straight tube convex surface；First is straight
Cylinder convex surface and dynamic arc boss interference fit, make arc sleeve be retained in the first direct tube section；
The outer cover of dynamic arc sleeve is provided with auxiliary spray canister, and the first end of auxiliary spray canister is provided with subjet, the second of auxiliary spray canister
The outside ring wall of end is provided with interior auxiliary concave surface, and interior auxiliary concave surface is provided with interior auxiliary flute；Interior auxiliary concave surface and auxiliary spray canister the
The outside ring wall of two ends forms auxiliary engaging platform, and the end of auxiliary engaging platform and the first direct tube section offsets, and the first straight tube is protruding
With interior auxiliary flute interference fit, the first straight tube projection extends in interior auxiliary flute, and the protruding and interior auxiliary of the first straight tube is recessed
Groove interference fit, makes auxiliary spray canister be installed in the first direct tube section, and is wrapped in dynamic arc cartridge exterior, auxiliary spray canister and dynamic arc set
Spacing it is provided with between Tong；
Being provided with nozzle mechanism outside auxiliary spray canister, nozzle mechanism includes: spout section, the contraction section being connected with spout section, with contraction
The interior expansion section that section connects；Interior expansion section is located at outside auxiliary spray canister, and the outer wall of interior expansion section end is provided with the outer chuck of spout；
Convex dish is provided with convex dish edge clipping, and the end of interior expansion section is held on convex dish edge clipping；The outside of convex dish and interior expansion section is provided with dynamic
The main cylinder that touches, dynamic main the first end touching cylinder is provided with dynamic main contact, and dynamic main contact is interior receipts structure, and the dynamic master near interior receipts section touches on cylinder
It is provided with and inwardly expands the interior convex clip that section extends；It is stuck in the dynamic main interior receipts section touching cylinder in the outer chuck of spout of interior expansion section outer wall, dynamic main
Touching the interior convex clip on cylinder and be held in the end of interior expansion section, the sidepiece of interior convex clip is inconsistent with the nose of convex dish edge clipping, convex dish edge clipping
One shoulder touches clamping inside cylinder, convex another shoulder of dish edge clipping and the end being held in interior expansion section with dynamic master；The outside of convex dish
Face and dynamic main tactile cylinder inwall interference fit；
Described moving contact component is additionally provided with inwall and the second flange being set up in parallel with the first flange, the outward flange of the second flange
The inner side touching cylinder with dynamic master is inconsistent；The inward flange of the second flange be provided with second in chuck, the end of chuck and inwall in second
Phase clamping；
The inside of inwall is provided with insulated tension pole, the formed between the first end of insulated tension pole and bending cylinder section and the second direct tube section
Two boss phase clampings, insulated tension pole is hollow structure, and the first end of insulated tension pole is set in the outside of the second direct tube section, and with
Two direct tube section interference fit；Second end of insulated tension pole connects drive mechanism；
Dynamic main the second end touching cylinder is provided with an annulus, and the internal ring of annulus is fastened on inner wall outside, and the outside of annulus is fastened on dynamic main
Touch the second end of cylinder, make main tactile cylinder, inwall, annulus be encircled into an air cylinder, in air cylinder, have SF6 gas；Convex dish is provided with
Multiple first through holes, the second flange is provided with multiple second through hole；First through hole and the second through hole make air cylinder and nozzle mechanism
Spout section be connected；
When breaker closing, drive mechanism drives insulated tension pole motion, and insulated tension pole holds the second boss and makes subjet, spray
Mouth section, dynamic main contact, moving arcing contact move to static contact direction simultaneously, and air cylinder is stretched, when moving contact is formed with static contact
After contact, completing the Guan Bi of chopper, normal load current flow to quiet main contact by dynamic main contact；
When chopper cut-offs state, drive mechanism drives insulated tension pole adverse movement when Guan Bi, and insulated tension pole pulls the
One flange moves to away from quiet main contact direction, and the first flange makes subjet, spout section, dynamic main contact, moving arcing contact simultaneously
Moving to away from quiet main contact direction, in moving process, air cylinder is compressed, and the SF6 gas in air cylinder is compressed, dynamic
Quiet main contact separately, transfer to circulate between moving arcing contact and static arc contact by electric current, along with moving arcing contact and static arc contact point
Opening, electric arc starts to be formed between moving arcing contact and static arc contact；In air cylinder, the SF6 gas of compression produces strong by spout
Air-blowing, blows electric arc, takes away arc energy and plasma, and after making electric arc zero passage extinguish within the extremely short time, arc gap is rapid
Recover its dielectric strength, recover voltage after tolerating arc, complete blow-out process, cut-off.
Preferably, the composite insulating arc blowout chamber sleeve pipe being wrapped in outside on off mechanism, composite insulating arc blowout chamber set are also included
First end of pipe is provided with the outlet connecting plate telescopic joint with composite insulating arc blowout chamber；Described outlet connecting plate and quiet master touch cylinder conducting；
Second end of composite insulating arc blowout chamber sleeve pipe connects has compound inslation pillar sleeve, compound inslation pillar sleeve to be set in absolutely
Outside edge pull bar；
Connecting portion between composite insulating arc blowout chamber sleeve pipe and compound inslation pillar sleeve is provided with inlet wire connecting plate；In the middle part of inlet wire connecting plate
Through hole, through hole is had to make insulated tension pole pass；Inlet wire connecting plate turns on the dynamic main cylinder that touches.
Preferably, described outlet connecting plate is connected with the first end of composite insulating arc blowout chamber sleeve pipe by bolt；Outlet connecting plate
Upper connection has outlet binding post；Inlet wire connecting plate connects inlet wire binding post.
Preferably, being provided with mechanism case outside drive mechanism, the end of compound inslation pillar sleeve is connected with mechanism casing.
Preferably, drive mechanism uses hydraulic drive mechanism；
Static contact component, moving contact component, composite insulating arc blowout chamber sleeve pipe, compound inslation pillar sleeve, insulated tension pole and driving
Mechanism is arranged on same straight line, and static contact component, moving contact component, composite insulating arc blowout chamber sleeve pipe, compound inslation prop up
The center of column sleeve pipe, insulated tension pole and drive mechanism is on same straight line.
Preferably, described quiet main contact touches the center convex of cylinder to quiet master, and the surrounded diameter of a circle of quiet main contact is less than dynamic
The surrounded diameter of a circle of main contact outer wall.
Preferably, insulated tension pole includes the drive connection section being connected with drive mechanism, and be connected with moving contact component is dynamic tactile
The head section of pulling and make the connector that drive connection section is connected with the moving contact section of pulling；
Connector is provided with the first linkage section being sequentially connected with, middle connecting section and the second linkage section；
First linkage section stretches in the moving contact section of pulling, and the moving contact section of pulling interference fit, and makes the moving contact section of pulling
End is held on middle connecting section；
Drive connection section stretches in the second linkage section, drive connection section and the second linkage section interference fit, and drive connection section with
Second linkage section is provided with suitable pin-and-hole, and drive connection section is connected by bearing pin with the second linkage section.
As can be seen from the above technical solutions, the invention have the advantages that
Owing to using high voltage, jumbo single break arc-chutes unit to replace traditional double-fracture arc-chutes unit, simplify
Transmission link, had both improve reliability, substantially reduces again mechanism's action required merit, simplifies mechanism's design difficulty；Use multiple
Close insulation column sleeve pipe and composite insulating arc blowout chamber sleeve pipe, and entirety is the arrangement of vertical coaxial line, light weight, center of gravity
Low, substantially increase the antiseismic grade of release unit.
Accompanying drawing explanation
In order to be illustrated more clearly that technical scheme, will the accompanying drawing used required in describing be made simple below
Ground is introduced, it should be apparent that, the accompanying drawing in describing below is only some embodiments of the present invention, for ordinary skill
From the point of view of personnel, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the overall structure figure of compound inslation column support type SF6 chopper；
Fig. 2 is on off mechanism structure chart；
Fig. 3 is A portion enlarged drawing；
Fig. 4 is B portion enlarged drawing；
Fig. 5 is the structure chart of on off mechanism；
Fig. 6 is the structure chart of insulated tension pole；
Fig. 7 is the structure chart of breaker closing state；
Fig. 8 is the structure chart that chopper cut-offs state.
Detailed description of the invention
For making the goal of the invention of the present invention, feature, the advantage can be the most obvious and understandable, concrete by using below
Embodiment and accompanying drawing, be clearly and completely described the technical scheme of present invention protection, it is clear that enforcement disclosed below
Example is only a part of embodiment of the present invention, and not all embodiment.Based on the embodiment in this patent, the common skill in this area
All other embodiments that art personnel are obtained under not making creative work premise, broadly fall into the model of this patent protection
Enclose.
Should be appreciated that claim a certain element or layer another element or layer " on ", be " connected " or " coupled " to another yuan
When part or layer, it may be connected directly or coupled to another element described or layer directly on another element or layer, it is also possible to
There is intermediary element or layer.On the contrary, claim a certain element " directly existed " another element or layer " on ", " being directly connected to " or " directly
Connect coupling " to another element or layer time, the most there is not intermediary element or layer.The similar unit of numeral instruction similar in all accompanying drawings
Part.As used herein, term "and/or" includes the one or more any and all combination listd of being correlated with.
The present embodiment provides a kind of compound inslation column support type SF6 chopper, if Fig. 1 is to shown in 8, including: on off mechanism 3；
Described on off mechanism 3 includes: static contact component and moving contact component；Described static contact component be provided with the quiet arc section of touching 9 and
Being centered around the quiet arc section of touching 9 outside, the quiet master having setting at regular intervals with the quiet arc section of touching 9 touches cylinder 8；
Close moving contact component one end of the quiet arc section of touching 9 is provided with static arc contact 12, and quiet master touches close moving contact component one end of cylinder 8
It is provided with quiet main contact 11；
Described moving contact component is provided with dynamic arc sleeve 13, and dynamic arc sleeve 13 is hollow structure, and dynamic arc sleeve 13 one end is provided with dynamic arc
Contact 14, dynamic arc sleeve 13 other end is provided with dynamic arc and supports end 15；Dynamic arc cartridge exterior is arranged with the first flange 20；First flange
20 include: the first direct tube section 17, bending cylinder section the 18, second direct tube section 19 and be set in the convex dish 16 outside the first direct tube section；
First direct tube section 17 is connected with the second direct tube section 19 by bending cylinder section 18, and the first direct tube section 17 is formed with bending cylinder section 18
Supporting platform, the dynamic arc of dynamic arc sleeve supports end 15 and offsets with supporting platform, supports end lateral wall along dynamic arc and is circumferentially with a circle
Dynamic arc boss 29, the medial wall of the first direct tube section 17 be circumferentially sequentially provided with first straight tube boss the 26, first straight tube projection 27,
First straight tube convex surface 28；First straight tube convex surface 28 and dynamic arc boss 29 interference fit, make arc sleeve 13 be retained on the first straight tube
In section 17；
The outer cover of dynamic arc sleeve 13 is provided with auxiliary spray canister 24, and the first end of auxiliary spray canister 24 is provided with subjet 25, auxiliary spray
The outside ring wall of the second end of cylinder 24 is provided with interior auxiliary concave surface 30, and interior auxiliary concave surface 30 is provided with interior auxiliary flute；Interior auxiliary is recessed
Face 30 forms auxiliary with the outside ring wall of auxiliary spray canister the second end and engages platform 61, auxiliary engaging platform 61 and the end of the first direct tube section
Offseting, the first straight tube protruding 27 and interior auxiliary flute interference fit, the first straight tube projection 27 extends to, in interior auxiliary flute, make
Auxiliary spray canister 24 is installed in the first direct tube section 17, and it is outside to be wrapped in dynamic arc sleeve 13, auxiliary spray canister 24 and dynamic arc sleeve 13
Between be provided with spacing；
Auxiliary spray canister 24 is outside is provided with nozzle mechanism, and nozzle mechanism includes: spout section 31, the contraction section being connected with spout section 31
32, the interior expansion section 33 being connected with contraction section 32；It is outside that interior expansion section 33 is located at auxiliary spray canister 24, and the outer wall of interior expansion section 33 end sets
There is the outer chuck 34 of spout；
Convex dish 16 is provided with convex dish edge clipping 35, and the end of interior expansion section 33 is held on convex dish edge clipping 35；Convex dish 16 and interior expansion section 33
Outside be provided with the dynamic main cylinder 36 that touches, dynamic main the first end touching cylinder 36 is provided with dynamic main contact 37, and dynamic main contact 37 is interior receipts structure 38,
Dynamic master near interior receipts section touches cylinder 36 and is provided with the interior convex clip 39 inwardly expanding section extension；It is stuck in the dynamic main interior receipts section 38 touching cylinder 36
In the outer chuck 34 of the spout of interior expansion section outer wall, the dynamic main interior convex clip 39 touched on cylinder 36 is held in the end of interior expansion section 33, interior convex clip
The sidepiece of 38 is inconsistent with the nose of convex dish edge clipping 35, and 35 1 shoulders of convex dish edge clipping touch clamping inside cylinder 36, convex dish with dynamic master
Another shoulder of edge clipping 35 and the end being held in interior expansion section 33；The lateral surface of convex dish 16 is joined with dynamic main tactile cylinder 36 inwall interference
Close；
Described moving contact component is additionally provided with inwall 41 and the second flange 42 being set up in parallel with the first flange 20, the second flange 42
Outward flange inconsistent with the dynamic main inner side touching cylinder 36；The inward flange of the second flange 42 be provided with second in chuck 43, card in second
The end phase clamping of platform 43 and inwall 41；
The inside of inwall 41 is provided with insulated tension pole 5, between the first end and bending cylinder section 18 and second direct tube section 19 of insulated tension pole 5
The the second boss 44 phase clamping formed, insulated tension pole 5 is hollow structure, and the first end of insulated tension pole 5 is set in the second direct tube section
The outside of 19, and with the second direct tube section 19 interference fit；Second end of insulated tension pole 5 connects drive mechanism 7；
Dynamic main the second end touching cylinder 36 is provided with an annulus 45, and the internal ring of annulus 45 is fastened on outside inwall 41, the outside of annulus 45
It is fastened on dynamic main the second end touching cylinder 36, makes main tactile cylinder 36, inwall 41, annulus 45 be encircled into an air cylinder 46, air cylinder 46
Inside there is SF6 gas；Convex dish 16 is provided with multiple first through hole 47, and the second flange 42 is provided with multiple second through hole 48；First leads to
Hole 47 makes air cylinder 46 be connected with the spout section 31 of nozzle mechanism with the second through hole 48；
When chopper needs Guan Bi, drive mechanism 7 drives insulated tension pole 5 to move, and insulated tension pole 5 holds the second boss 44 to be made auxiliary
Helping spout, spout section, dynamic main contact, moving arcing contact to move to static contact direction, air cylinder 46 is stretched simultaneously, when moving contact with
After static contact forms contact, completing the Guan Bi of chopper, normal load current flow to quiet main contact by dynamic main contact；
When chopper needs to disconnect, drive mechanism 7 drives the insulated tension pole 5 adverse movement when Guan Bi, and insulated tension pole 5 pulls
First flange 20 moves to away from quiet main contact direction, and the first flange 20 makes subjet, spout section, dynamic main contact, dynamic arc touch
Head moves to away from quiet main contact direction simultaneously, and in moving process, air cylinder is compressed, the SF6 gas quilt in air cylinder
Compression, sound main contact separately, transfer to circulate between moving arcing contact and static arc contact, along with moving arcing contact touches with quiet arc by electric current
Separating of head, electric arc starts to be formed between moving arcing contact and static arc contact；In air cylinder, the SF6 gas of compression is produced by spout
Strong air-blowing, blows electric arc, takes away arc energy and plasma, after making electric arc zero passage extinguish within the extremely short time, and arc
Gap recovers rapidly its dielectric strength, recovers voltage, complete blow-out process, cut-off after tolerating arc.
Compound inslation column support type SF6 chopper also includes the composite insulating arc blowout chamber sleeve pipe being wrapped in outside on off mechanism 3
2, the first end of composite insulating arc blowout chamber sleeve pipe 2 is provided with the outlet connecting plate 1 being connected with composite insulating arc blowout chamber sleeve pipe 2；Described go out
Line connecting plate 1 and quiet master touch cylinder 8 and turn on；
Second end of composite insulating arc blowout chamber sleeve pipe 2 connects compound inslation pillar sleeve 4, and compound inslation pillar sleeve set 4 sets
Outside insulated tension pole 5；
Connecting portion between composite insulating arc blowout chamber sleeve pipe 2 and compound inslation pillar sleeve 4 is provided with inlet wire connecting plate 10；Inlet wire connecting plate
Having through hole in the middle part of in the of 10, through hole makes insulated tension pole 5 pass；Inlet wire connecting plate 10 turns on the dynamic main cylinder 36 that touches.
Described outlet connecting plate 1 is connected with the first end of composite insulating arc blowout chamber sleeve pipe 2 by bolt；Connect on outlet connecting plate 1
It is connected to outlet binding post；Inlet wire connecting plate 10 connects inlet wire binding post.
Being provided with mechanism case 6 outside drive mechanism, the end of compound inslation pillar sleeve 4 is connected with mechanism casing 6.Driving machine
Structure 7 uses hydraulic drive mechanism；Static contact component, moving contact component, composite insulating arc blowout chamber sleeve pipe, compound inslation prop up column sleeve
Pipe, insulated tension pole and drive mechanism are arranged on same straight line, and static contact component, moving contact component, compound inslation arc extinguishing
The center of room sleeve pipe, compound inslation pillar sleeve, insulated tension pole and drive mechanism is on same straight line.
Described quiet main contact touches the center convex of cylinder to quiet master, outside the surrounded diameter of a circle of quiet main contact is less than dynamic main contact
The surrounded diameter of a circle of wall.After this makes quiet main contact contact conducting with dynamic main contact, it is possible to closely cooperate.
Insulated tension pole 5 includes the drive connection section 52 being connected with drive mechanism 7, and the moving contact being connected with moving contact component draws
Dynamic section 51 and the connector making drive connection section 52 be connected with the moving contact section of pulling 51；
Connector is provided with the first linkage section 53 being sequentially connected with, middle connecting section 54 and the second linkage section 55；
First linkage section 53 stretches in the moving contact section of pulling 51, and the moving contact section of pulling 51 interference fit, and makes moving contact draw
The end of dynamic section 51 is held on middle connecting section 54；
Drive connection section 52 stretches in the second linkage section 55, drive connection section 52 and the second linkage section 55 interference fit, and drives
Linkage section 52 and the second linkage section 55 are provided with suitable pin-and-hole 56, and drive connection section 52 and the second linkage section 55 are by bearing pin even
Connect.
The invention provides high voltage, jumbo single break arc-chutes unit replaces traditional double-fracture arc-chutes list
Unit, whole unit is encapsulated in composite insulating arc blowout chamber sleeve pipe.The insulated tension pole upper end of design connects arc-chutes moving contact, lower end
Connect hydraulic mechanism, be encapsulated in compound inslation pillar sleeve.Hydraulic mechanism is arranged on inside mechanism case.Arc-chutes unit, absolutely
Edge pull bar, compound insulating sleeve and hydraulic mechanism are arranged vertically, and center is on same axis.
The present invention devises 363kV single break SF6 arc-chutes unit, and resistance to voltage levels is high, capacity is big, its important technological parameters
For: rated voltage 363kV；Rated current 5000 A, operation-current 50kA；The specified withstanding voltage of power frequency in short-term is over the ground
510kV, fracture 510(+210) kV；Nominal operation impulse withstand voltage 950kV over the ground, fracture 850(+295) kV；Specified thunder and lightning
Impulse withstand voltage 1175kV over the ground, fracture 1175(+205) kV.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is and other
The difference of embodiment, identical similar portion reference mutually between each embodiment.
Term " first " in description and claims of this specification and above-mentioned accompanying drawing, " second ", " the 3rd " "
Four " etc. (if present) is for distinguishing similar object, without being used for describing specific order or precedence.Should manage
Solve the data so used can exchange in the appropriate case, in order to embodiments of the invention described herein can with except
Here the order beyond those illustrating or describing is implemented.Additionally, term " includes " and " having " and their any deformation,
It is intended to cover non-exclusive comprising.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple amendment to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase one
The widest scope caused.
Claims (7)
1. a compound inslation column support type SF6 chopper, it is characterised in that including: on off mechanism；
Described on off mechanism includes: static contact component and moving contact component；Described static contact component is provided with the quiet arc section of touching and encloses
Being wound on outside the quiet arc section of touching, the quiet master having setting at regular intervals with the quiet arc section of touching touches cylinder；
Close moving contact component one end of the quiet arc section of touching is provided with static arc contact, and quiet master touches close moving contact component one end of cylinder and is provided with
Quiet main contact；
Described moving contact component is provided with dynamic arc sleeve, and dynamic arc sleeve is hollow structure, and dynamic arc sleeve one end is provided with moving arcing contact, dynamic
The arc sleeve other end is provided with dynamic arc and supports end；Dynamic arc cartridge exterior is arranged with the first flange；First flange includes: the first straight tube
Section, bending cylinder section, the second direct tube section and be set in the convex dish outside the first direct tube section；
First direct tube section is connected with the second direct tube section by bending cylinder section, and the first direct tube section is formed with bending cylinder section and supports platform, dynamic
The dynamic arc of arc sleeve supports end and supports platform and offset, and supports along dynamic arc and holds lateral wall to be circumferentially with a circle to move arc boss, the
The medial wall of one direct tube section is circumferentially sequentially provided with the first straight tube boss, the first straight tube projection, the first straight tube convex surface；First is straight
Cylinder convex surface and dynamic arc boss interference fit, make arc sleeve be retained in the first direct tube section；
The outer cover of dynamic arc sleeve is provided with auxiliary spray canister, and the first end of auxiliary spray canister is provided with subjet, the second of auxiliary spray canister
The outside ring wall of end is provided with interior auxiliary concave surface, and interior auxiliary concave surface is provided with interior auxiliary flute；Interior auxiliary concave surface and auxiliary spray canister the
The outside ring wall of two ends forms auxiliary engaging platform, and the end of auxiliary engaging platform and the first direct tube section offsets, and the first straight tube is protruding
With interior auxiliary flute interference fit, the first straight tube projection extends in interior auxiliary flute, and the protruding and interior auxiliary of the first straight tube is recessed
Groove interference fit, makes auxiliary spray canister be installed in the first direct tube section, and is wrapped in dynamic arc cartridge exterior, auxiliary spray canister and dynamic arc set
Spacing it is provided with between Tong；
Being provided with nozzle mechanism outside auxiliary spray canister, nozzle mechanism includes: spout section, the contraction section being connected with spout section, with contraction
The interior expansion section that section connects；Interior expansion section is located at outside auxiliary spray canister, and the outer wall of interior expansion section end is provided with the outer chuck of spout；
Convex dish is provided with convex dish edge clipping, and the end of interior expansion section is held on convex dish edge clipping；The outside of convex dish and interior expansion section is provided with dynamic
The main cylinder that touches, dynamic main the first end touching cylinder is provided with dynamic main contact, and dynamic main contact is interior receipts structure, and the dynamic master near interior receipts section touches on cylinder
It is provided with and inwardly expands the interior convex clip that section extends；It is stuck in the dynamic main interior receipts section touching cylinder in the outer chuck of spout of interior expansion section outer wall, dynamic main
Touching the interior convex clip on cylinder and be held in the end of interior expansion section, the sidepiece of interior convex clip is inconsistent with the nose of convex dish edge clipping, convex dish edge clipping
One shoulder touches clamping inside cylinder, convex another shoulder of dish edge clipping and the end being held in interior expansion section with dynamic master；The outside of convex dish
Face and dynamic main tactile cylinder inwall interference fit；
Described moving contact component is additionally provided with inwall and the second flange being set up in parallel with the first flange, the outward flange of the second flange
The inner side touching cylinder with dynamic master is inconsistent；The inward flange of the second flange be provided with second in chuck, the end of chuck and inwall in second
Phase clamping；
The inside of inwall is provided with insulated tension pole, the formed between the first end of insulated tension pole and bending cylinder section and the second direct tube section
Two boss phase clampings, insulated tension pole is hollow structure, and the first end of insulated tension pole is set in the outside of the second direct tube section, and with
Two direct tube section interference fit；Second end of insulated tension pole connects drive mechanism；
Dynamic main the second end touching cylinder is provided with an annulus, and the internal ring of annulus is fastened on inner wall outside, and the outside of annulus is fastened on dynamic main
Touch the second end of cylinder, make main tactile cylinder, inwall, annulus be encircled into an air cylinder, in air cylinder, have SF6 gas；Convex dish is provided with
Multiple first through holes, the second flange is provided with multiple second through hole；First through hole and the second through hole make air cylinder and nozzle mechanism
Spout section be connected；
When breaker closing, drive mechanism drives insulated tension pole motion, and insulated tension pole holds the second boss and makes subjet, spray
Mouth section, dynamic main contact, moving arcing contact move to static contact direction simultaneously, and air cylinder is stretched, when moving contact is formed with static contact
After contact, completing the Guan Bi of chopper, normal load current flow to quiet main contact by dynamic main contact；
When chopper cut-offs state, drive mechanism drives insulated tension pole adverse movement when Guan Bi, and insulated tension pole pulls the
One flange moves to away from quiet main contact direction, and the first flange makes subjet, spout section, dynamic main contact, moving arcing contact simultaneously
Moving to away from quiet main contact direction, in moving process, air cylinder is compressed, and the SF6 gas in air cylinder is compressed, dynamic
Quiet main contact separately, transfer to circulate between moving arcing contact and static arc contact by electric current, along with moving arcing contact and static arc contact point
Opening, electric arc starts to be formed between moving arcing contact and static arc contact；In air cylinder, the SF6 gas of compression produces strong by spout
Air-blowing, blows electric arc, takes away arc energy and plasma, and after making electric arc zero passage extinguish within the extremely short time, arc gap is rapid
Recover its dielectric strength, recover voltage after tolerating arc, complete blow-out process, cut-off.
Compound inslation column support type SF6 chopper the most according to claim 1, it is characterised in that
Also including the composite insulating arc blowout chamber sleeve pipe being wrapped in outside on off mechanism, the first end of composite insulating arc blowout chamber sleeve pipe sets
There is the outlet connecting plate telescopic joint with composite insulating arc blowout chamber；Described outlet connecting plate and quiet master touch cylinder conducting；
Second end of composite insulating arc blowout chamber sleeve pipe connects has compound inslation pillar sleeve, compound inslation pillar sleeve to be set in absolutely
Outside edge pull bar；
Connecting portion between composite insulating arc blowout chamber sleeve pipe and compound inslation pillar sleeve is provided with inlet wire connecting plate；In the middle part of inlet wire connecting plate
Through hole, through hole is had to make insulated tension pole pass；Inlet wire connecting plate turns on the dynamic main cylinder that touches.
Compound inslation column support type SF6 chopper the most according to claim 2, it is characterised in that
Described outlet connecting plate is connected with the first end of composite insulating arc blowout chamber sleeve pipe by bolt；Connect on outlet connecting plate and have outlet
Binding post；Inlet wire connecting plate connects inlet wire binding post.
Compound inslation column support type SF6 chopper the most according to claim 3, it is characterised in that
Being provided with mechanism case outside drive mechanism, the end of compound inslation pillar sleeve is connected with mechanism casing.
Compound inslation column support type SF6 chopper the most according to claim 1, it is characterised in that
Drive mechanism uses hydraulic drive mechanism；
Static contact component, moving contact component, composite insulating arc blowout chamber sleeve pipe, compound inslation pillar sleeve, insulated tension pole and driving
Mechanism is arranged on same straight line, and static contact component, moving contact component, composite insulating arc blowout chamber sleeve pipe, compound inslation prop up
The center of column sleeve pipe, insulated tension pole and drive mechanism is on same straight line.
Compound inslation column support type SF6 chopper the most according to claim 1, it is characterised in that
Described quiet main contact touches the center convex of cylinder to quiet master, and the surrounded diameter of a circle of quiet main contact is less than dynamic main contact outer wall institute
Surround diameter of a circle.
Compound inslation column support type SF6 chopper the most according to claim 3, it is characterised in that
Insulated tension pole includes the drive connection section being connected with drive mechanism, the moving contact section of pulling being connected with moving contact component and
Make the connector that drive connection section is connected with the moving contact section of pulling；
Connector is provided with the first linkage section being sequentially connected with, middle connecting section and the second linkage section；
First linkage section stretches in the moving contact section of pulling, and the moving contact section of pulling interference fit, and makes the moving contact section of pulling
End is held on middle connecting section；
Drive connection section stretches in the second linkage section, drive connection section and the second linkage section interference fit, and drive connection section with
Second linkage section is provided with suitable pin-and-hole, and drive connection section is connected by bearing pin with the second linkage section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610530803.7A CN106057568B (en) | 2016-07-07 | 2016-07-07 | A kind of compound inslation column support type SF6 breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610530803.7A CN106057568B (en) | 2016-07-07 | 2016-07-07 | A kind of compound inslation column support type SF6 breaker |
Publications (2)
| Publication Number | Publication Date |
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| CN106057568A true CN106057568A (en) | 2016-10-26 |
| CN106057568B CN106057568B (en) | 2019-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610530803.7A Active CN106057568B (en) | 2016-07-07 | 2016-07-07 | A kind of compound inslation column support type SF6 breaker |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114068240A (en) * | 2020-08-07 | 2022-02-18 | 国家电网有限公司 | Self-energy arc extinguish chamber and circuit breaker |
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| CN101599389A (en) * | 2009-07-13 | 2009-12-09 | 西安森源开关技术研究所有限公司 | Double acting self energy thermal expansion type high pressure sulfur hexafluoride breaker arc extinguish chamber |
| CN202034300U (en) * | 2011-04-26 | 2011-11-09 | 广州白云电器设备股份有限公司 | Breaker of gas insulated metal enclosed switchgear |
| CN102723230A (en) * | 2012-06-28 | 2012-10-10 | 四川电器集团股份有限公司 | Arc extinguish chamber for sulfur hexafluoride circuit-breaker |
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| JPH1186690A (en) * | 1997-09-10 | 1999-03-30 | Hitachi Ltd | Puffer type gas-blast circuit breaker |
| JP2000113782A (en) * | 1998-10-01 | 2000-04-21 | Fuji Electric Co Ltd | Puffer gas circuit breaker |
| CN101599389A (en) * | 2009-07-13 | 2009-12-09 | 西安森源开关技术研究所有限公司 | Double acting self energy thermal expansion type high pressure sulfur hexafluoride breaker arc extinguish chamber |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114068240A (en) * | 2020-08-07 | 2022-02-18 | 国家电网有限公司 | Self-energy arc extinguish chamber and circuit breaker |
| CN114068240B (en) * | 2020-08-07 | 2023-12-15 | 国家电网有限公司 | Self-energy arc-extinguishing chamber and circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106057568B (en) | 2019-04-23 |
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Effective date of registration: 20221229 Address after: 271099 high tech Development Zone, Tai'an City, Shandong Province Patentee after: Shandong Taikai High-Voltage Switch Co.,Ltd. Patentee after: MATERIALS COMPANY, STATE GRID SHANDONG ELECTRIC POWER CO. Address before: 271000 No.10 Longteng Road, high tech Development Zone, Tai'an City, Shandong Province Patentee before: Shandong Taikai High-Voltage Switch Co.,Ltd. |