CN104485255B - A kind of double-fracture switchgear and its monopolar configuration - Google Patents
A kind of double-fracture switchgear and its monopolar configuration Download PDFInfo
- Publication number
- CN104485255B CN104485255B CN201410663943.2A CN201410663943A CN104485255B CN 104485255 B CN104485255 B CN 104485255B CN 201410663943 A CN201410663943 A CN 201410663943A CN 104485255 B CN104485255 B CN 104485255B
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- Prior art keywords
- arc
- chutes
- conductive seat
- lower conductive
- fracture
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000003068 static effect Effects 0.000 claims description 8
- 230000035515 penetration Effects 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 9
- 230000009471 action Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910018503 SF6 Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
Classifications
-
- 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
-
- 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
- H01H33/025—Terminal arrangements
Abstract
The present invention relates to a kind of double-fracture switchgear and its monopolar configuration, monopolar configuration includes frame and upper and lower horizontally disposed first arc-chutes, second arc-chutes, first, the right-hand member of second arc-chutes is fixedly arranged in the frame, the upper conductive seat for being conductively connected with the moving contact of the first arc-chutes is provided with first arc-chutes, the lower conductive seat for being conductively connected with the moving contact of the second arc-chutes is provided with second arc-chutes, on, limited location direction being respectively used to and first upward is set on lower conductive seat, the supporting part that the support of second arc-chutes coordinates, on, by supporting busbar to connect between lower conductive seat, the lower end of lower conductive seat is provided with insulating supporting post.The present invention solves the equipment congested problem caused by two arc-chutes in monopolar configuration are vertically arranged.
Description
Technical field
The present invention relates to a kind of double-fracture switchgear and its monopolar configuration.
Background technology
At present, KYN61-40.5 metal switch apparatus, inside it are furnished with 40.5 type vacuum circuit breakers, at home using wider
General, this is class switchgear technology maturation, and various functions can meet to be used for basic requirement, but in switched capacitor group
Aspect, conventional vacuum circuit breaker do not have that sulfur hexafluoride breaker is reliable, therefore develop vacuum circuit breaker with double breaks, lifting series
The switching capacitance current capacity of product is extremely urgent.
Vacuum interrupter in conventional switching devices is vertically arranged, if it is single be further added by one be vertically arranged it is true
Empty arc-chutes, switchgear can be made very crowded, the electrical reliability of product can not be ensured.
The content of the invention
It is an object of the invention to a kind of monopolar configuration of double-fracture switchgear, to solve because of two in monopolar configuration
Equipment congested problem caused by arc-chutes are vertically arranged；The present invention also aims to provide one kind to use the monopolar configuration
Double-fracture switchgear.
In order to solve the above problems, the technical scheme of monopolar configuration is in the present invention：
A kind of monopolar configuration of double-fracture switchgear, including frame and upper and lower horizontally disposed first arc-chutes, second
Arc-chutes, the right-hand member of first, second arc-chutes are fixedly arranged in the frame, are provided with and are used for and the first arc extinguishing on the first arc-chutes
The upper conductive seat that the moving contact of room is conductively connected, it is provided with the second arc-chutes conductive even for the moving contact with the second arc-chutes
The lower conductive seat connect, set on upper and lower conductive seat limited location direction upward be respectively used to match somebody with somebody with the support of first, second arc-chutes
The supporting part of conjunction, by supporting busbar to connect between upper and lower conductive seat, the lower end of lower conductive seat is provided with insulating supporting post.
The periphery of support busbar is arranged with insulating sleeve, and the inwall of insulating sleeve is provided with conductive layer.
The moving contact that the arc-chutes of confession second extended in left-right direction are provided with the lower conductive seat passes through along left and right gap
Perforation, lower conductive seat is conductively connected by being flexible coupling with moving contact.
The upper end of the lower conductive seat is provided with the connection row for offering bolt penetration hole, and support busbar is by being threaded onto spiral shell
Connecting bolt in bolt perforation is packed on connection row.
The left end of first, second arc-chutes, which is provided with the static side contact arm level that supplies to correspond to that axis extends in left-right direction, pacifies
The screwed hole of dress.
The technical scheme of double-fracture switchgear is in the present invention：
A kind of double-fracture switchgear, including three monopolar configurations, monopolar configuration include frame and up and down it is horizontally disposed
First arc-chutes, the second arc-chutes, the right-hand member of first, second arc-chutes are fixedly arranged in the frame, set on the first arc-chutes
There is the upper conductive seat for being conductively connected with the moving contact of the first arc-chutes, be provided with and be used for and the second arc extinguishing on the second arc-chutes
The lower conductive seat that the moving contact of room is conductively connected, set on upper and lower conductive seat limited location direction being respectively used to first upward,
The supporting part that the support of second arc-chutes coordinates, by supporting busbar to connect between upper and lower conductive seat, the lower end of lower conductive seat is set
It is equipped with insulating supporting post.
The periphery of support busbar is arranged with insulating sleeve, and the inwall of insulating sleeve is provided with conductive layer.
The moving contact that the arc-chutes of confession second extended in left-right direction are provided with the lower conductive seat passes through along left and right gap
Perforation, lower conductive seat is conductively connected by being flexible coupling with moving contact.
The upper end of the lower conductive seat is provided with the connection row for offering bolt penetration hole, and support busbar is by being threaded onto spiral shell
Connecting bolt in bolt perforation is packed on connection row.
The left end of first, second arc-chutes, which is provided with the static side contact arm level that supplies to correspond to that axis extends in left-right direction, pacifies
The screwed hole of dress.
Beneficial effects of the present invention are：First, second arc-chutes are horizontally disposed up and down, and the right side of first, second arc-chutes
End is fixedly arranged in frame, therefore compact-sized, avoids the equipment congested problem that two arc-chutes are vertically arranged and brought, horizontal
Arc-chutes left end after setting is hanging, and upper and lower conductive seat both plays electric action, plays supporting role again, support busbar was both
Electric action is played, plays supporting role again, then insulation column provides support for first, second arc-chutes, so as to ensure that
The mechanical strength of first, second arc-chutes.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of monopolar configuration in the present invention；
Fig. 2 is the cooperation schematic diagram of transmission mechanism and first, second arc-chutes in Fig. 1；
Fig. 3 is the cooperation schematic diagram of lower conductive seat and lower pole in Fig. 2；
Fig. 4 is the structural representation of lower conductive seat in Fig. 3；
Fig. 5 is upper and lower conductive seat and support busbar, the cooperation schematic diagram of insulation column in Fig. 1.
Embodiment
A kind of implementation of double-fracture switchgear is for example shown in Fig. 1 ~ 5：Including three monopolar configurations, each monopolar configuration is wrapped
Including rack 6, monopolar configuration also include horizontally disposed upper pole 1 and lower pole 4, and upper pole includes enclosing being set as
The upper pole body of first arc-chutes and conductive seat 40 is arranged in pole body, lower pole includes enclosing being set as second
The lower pole body of arc-chutes and the lower conductive seat 9 being arranged on lower pole body, switchgear also include passing through transmission mechanism
The power output part being driven to the insulated tension pole of first, second arc-chutes（Not shown in figure）, power output in the present embodiment
Part is motor.The right-hand member of upper and lower pole is fixedly arranged in frame.Transmission mechanism includes the first spring base 11, the first lever
14th, the first pull bar and the first spring base, the first lever, the second spring seat 34 below the first pull bar, are respectively symmetrically arranged in
Two levers 24 and the second pull bar 25, wherein the first spring base, second spring seat, the first pull bar, the second pull bar are led in left-right direction
It is assemblied in movement in frame, the first excess of stroke spring 12, second spring seat and frame is provided between the first spring base and frame
Between be provided with the second excess of stroke spring 33, the both ends of first, second excess of stroke spring are respectively arranged with adjust pad, pass through adjusting pad
Piece can adjust the initial pretightning force of corresponding spring, and first, second excess of stroke spring is stage clip in the present embodiment, the first lever 14
Upper end be hinged and connected with the first spring base 11, lower end and the second spring seat 34 of the second lever 24 are hinged and connected, the first pull bar,
Second pull bar includes the Zola bar part 13 connected with the insulated tension pole of corresponding arc-chutes and is connected to corresponding its intermediate part
Right pull bar part 15, the left and right ends of right pull bar part are hinged and connected with Zola's bar part and corresponding lever respectively, the first lever
Lower end be provided with the first articulated structure for being used for moment of torsion input, the upper end of the second lever, which is provided with, is used for the second be hinged of moment of torsion input
Structure.Guiding movement is equipped with driver plate 17 in left-right direction between first, second lever in frame, driver plate 17 up and down
Both ends are hinged and connected with first, second articulated structure respectively, and the long guiding hole that length extends in left-right direction is provided with frame,
Driver plate is assemblied in frame by the bearing pin guiding movement being arranged in long guiding hole set thereon.Rolling assembling in frame
There are the power transmission shaft 19 and power output main shaft 32 that pivot center extends along the longitudinal direction, power output main shaft is used for three-phase arc extinguishing
Room is driven, and power output main shaft is located at the downside of power transmission shaft, is installed with power transmission shaft defeated with power output connecting lever 18 and power
Enter the V-arrangement rocking arm of connecting lever 20, power output connecting lever 18 is connected with driver plate 17, is connected with power input connecting lever 20 vertical
The vertical pull bar 23 of arrangement, tripping spring 22 is arranged with vertical pull bar 23, vertical pull bar lower end is installed with lower spring cup 26, machine
The upper spring seat 21 for being sheathed on the vertical pull bar periphery is installed with frame, tripping spring is arranged between upper and lower spring base, moved
The first connecting lever 27 being connected with vertical pull bar lower end is installed with power output main shaft, is provided between the first connecting lever and frame vertical
The buffer 28 of arrangement, the second connecting lever 29 is fixedly provided with power output main shaft, is provided with and moves below power output main shaft
The power input shaft that power output main axis parallel is set, motor power output end are connected with power input shaft, power input shaft
On be provided with the 3rd connecting lever 31, the 3rd connecting lever 31 is connected by connecting plate 30 with the transmission of the second connecting lever 29.
Upper and lower conductive seat is symmetrical arranged, and now only the concrete structure of lower conductive seat is described in detail, lower conductive seat 9
Upper end sets the arc-chutes under being with lower pole body that are used for of limited location direction upward to support the supporting part 35 coordinated, lower conductive seat
Outer peripheral face be the cylindrical surface structure that extends in left-right direction of axis, supporting part is made up of the upper end outer peripheral face of lower conductive seat, adopted
Area of bearing on the one hand is ensure that with cylindrical surface structure, support strength is ensure that, on the other hand can also avoid conductive seating face
Corona is produced, the perforation for running through lower conductive seat in left-right direction is provided with lower conductive seat, perforation is touched with the dynamic of the second arc-chutes
Head gap coordinates, and the moving contact of the second arc-chutes can move left and right in perforation, and will not produce friction with the hole wall of perforation, wears
The aperture in hole along screw perforation is above provided with, be installed with screw perforation for fix on moving contact 38 be flexible coupling 36 line ball
Screw, be flexible coupling on conducting block and moving contact cone match, because moving contact and being flexible coupling is welded in perforation, institute is following
Conductive seat can play good shielding action, avoid the irregular shapes such as moving contact and the corner angle that are flexible coupling from destroying the electricity of product
Field distribution.The lower end of lower conductive seat is provided with lower convex platform, and the vertically extending mounting hole 39 of axis is offered on lower convex platform,
The steel thread bush for the spinning of insulation column 5 is provided with mounting hole, mechanical strength, lower conductive seat can be increased by steel thread bush
Upper end be provided with connection row 8, the surface degree silver of the row of connection, bolt penetration hole is provided with connection row, by bolt penetration hole
Support busbar 7 can be fixed on connection row by installing bolt, and support busbar is connected to the connection between upper and lower conductive seat
On row, support busbar plays a part of conductive and support, supports the periphery of busbar to be arranged with insulating sleeve 3, insulating sleeve 3
Inwall on be coated with conductive layer, insulating sleeve can play a part of electric field shielding and insulating protection.Outside upper and lower conductive seat
Surface uses arc-shaped structure more, so can balanced Electric Field Distribution.The left end of upper and lower pole is provided with axis along a left side
The contact arm connecting hole 37 for the corresponding installation of static side contact arm 2 of right direction extension, the axis of contact arm connecting hole and the axle of pole
Line is consistent, can so facilitate the connection of static side contact arm.
The every of switchgear is mutually respectively provided with two poles in the present invention, realizes double-fracture, improves switching capacitance
The ability of electric current, while in order to avoid excessively crowded after single-phase double-fracture, two poles per phase are horizontally disposed up and down, protect
Demonstrate,proved the compactedness in space, overcome the space congested problem that double-fracture is brought, ensure that product Mechanical Reliability and electrically
Reliability；And upper conductive seat, lower conductive seat, support busbar and support insulator collective effect, it ensure that two poles
Support strength, also make it possible being horizontally mounted of pole.When needing closing operation, the input of motor driven power
Axle rotates, and power is transmitted to the second connecting lever through the 3rd connecting lever, connecting plate, and power output main shaft imparts power to each phase, the first connecting lever
Vertical backward stick action, tripping spring energy storage are driven, V-arrangement rocking arm drives driver plate to drive first, second thick stick to left movement, driver plate
Bar is overturn, and by taking the first lever as an example, when initial, the precompression of the first excess of stroke spring is larger, and the first spring base will not be by the first thick stick
Bar is acted on towards moving right, and the first lever drives the insulated tension poles 10 of the first arc-chutes towards moving left by the first pull bar, so as to
Realize that dynamic and static contact closes a floodgate, after dynamic and static contact combined floodgate, for the first pull bar no longer towards moving left, the first pull bar is that the first lever carries
For a fulcrum, then being rotated further with motor, the first spring base court move right the first excess of stroke spring of compression, that is to say, that
Pressure suffered by moving contact is about twice of current excess of stroke spring pressure（According to depending on lever proportionality coefficient）；It is simultaneously whole
Drive mechanism it is compact-sized, take less left and right space.
In the other embodiments of this double-fracture switchgear：First, second excess of stroke spring can also be extension spring；When only needing
Single break set when, lower pole can not also be set, now V-arrangement rocking arm can directly with the first lever drive；Motor also may be used
, now can be by being driven axially each alternate transmission to be directly connected with transmission shaft driven；Motor can also be by driving cylinder, electromagnetism
Other power output parts such as relay replace；Pole can also be replaced by insulating cylinder；Conductive seat can not also be by soft
Connection is conductively connected with corresponding moving contact, such as elastic fingertip is set in perforation, elastic fingertip and moving contact sliding contact
Conduction coordinates；Supporting part can also be planar structure or concave structure.
The implementation of monopolar configuration is for example shown in Fig. 1 ~ 5：The concrete structure of monopolar configuration and above-mentioned each double-fracture switchgear
Monopolar configuration described in embodiment is identical, will not be described in detail herein.
Claims (10)
- A kind of 1. monopolar configuration of double-fracture switchgear, it is characterised in that：Gone out including frame and upper and lower horizontally disposed first Arc chamber, the second arc-chutes, the right-hand member of first, second arc-chutes are fixedly arranged in the frame, are provided with and are used on the first arc-chutes The upper conductive seat being conductively connected with the moving contact of the first arc-chutes, it is provided with the second arc-chutes for dynamic with the second arc-chutes The lower conductive seat that contact is conductively connected, set on upper and lower conductive seat limited location direction upward be respectively used to go out with first, second The supporting part that arc chamber support coordinates, by supporting busbar to connect between upper and lower conductive seat, the lower end of lower conductive seat is provided with absolutely Edge support column.
- 2. monopolar configuration according to claim 1, it is characterised in that：The periphery of support busbar is arranged with insulating sleeve, The inwall of insulating sleeve is provided with conductive layer.
- 3. monopolar configuration according to claim 1, it is characterised in that：It is provided with the lower conductive seat and extends in left-right direction The arc-chutes of confession second the perforation that is passed through along left and right gap of moving contact, lower conductive seat is by being flexible coupling and moving contact is conductive even Connect.
- 4. monopolar configuration according to claim 3, it is characterised in that：The upper end of the lower conductive seat, which is provided with, offers spiral shell The connection row of bolt perforation, support busbar are packed on connection row by the connecting bolt being threaded onto in bolt penetration hole.
- 5. according to the monopolar configuration described in claim 1 ~ 4 any one, it is characterised in that：The left end of first, second arc-chutes It is provided with the screwed hole being horizontally mounted for corresponding static side contact arm that axis extends in left-right direction.
- 6. a kind of double-fracture switchgear, including three monopolar configurations, it is characterised in that：Monopolar configuration includes frame and upper and lower water Flat the first arc-chutes set, the second arc-chutes, the right-hand member of first, second arc-chutes are fixedly arranged in the frame, the first arc extinguishing The upper conductive seat for being conductively connected with the moving contact of the first arc-chutes is provided with room, be provided with the second arc-chutes for The lower conductive seat that the moving contact of second arc-chutes is conductively connected, limited location direction using respectively upward is set on upper and lower conductive seat By supporting busbar to connect between the supporting part coordinated with the support of first, second arc-chutes, upper and lower conductive seat, lower conduction The lower end of seat is provided with insulating supporting post.
- 7. double-fracture switchgear according to claim 6, it is characterised in that：The periphery of support busbar is arranged with insulation Sleeve, the inwall of insulating sleeve are provided with conductive layer.
- 8. double-fracture switchgear according to claim 6, it is characterised in that：It is provided with the lower conductive seat along right and left The perforation passed through to the moving contact of the arc-chutes of confession second of extension along left and right gap, lower conductive seat are led by being flexible coupling with moving contact Electrical connection.
- 9. double-fracture switchgear according to claim 8, it is characterised in that：The upper end of the lower conductive seat is provided with out Connection row provided with bolt penetration hole, support busbar are packed on connection row by the connecting bolt being threaded onto in bolt penetration hole.
- 10. double-fracture switchgear according to claim 9, it is characterised in that：The left end of first, second arc-chutes is all provided with It is equipped with the screwed hole being horizontally mounted for corresponding static side contact arm that axis extends in left-right direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410663943.2A CN104485255B (en) | 2014-11-20 | 2014-11-20 | A kind of double-fracture switchgear and its monopolar configuration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410663943.2A CN104485255B (en) | 2014-11-20 | 2014-11-20 | A kind of double-fracture switchgear and its monopolar configuration |
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| Publication Number | Publication Date |
|---|---|
| CN104485255A CN104485255A (en) | 2015-04-01 |
| CN104485255B true CN104485255B (en) | 2018-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410663943.2A Expired - Fee Related CN104485255B (en) | 2014-11-20 | 2014-11-20 | A kind of double-fracture switchgear and its monopolar configuration |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108172457B (en) * | 2017-12-19 | 2019-09-10 | 上海天灵开关厂有限公司 | A kind of vacuum circuit breaker with double breaks for medium pressure gas insulated switching installation |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201252047Y (en) * | 2008-07-29 | 2009-06-03 | 上海维埃姆电力科技有限公司 | Movable end connecting structure for sealed high-pressure vacuum breaker |
| CN202856230U (en) * | 2012-10-23 | 2013-04-03 | 福建中能电气股份有限公司 | Solid insulating switch |
| CN204315453U (en) * | 2014-11-20 | 2015-05-06 | 平高集团有限公司 | Double-fracture switchgear and monopolar configuration thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5796425B2 (en) * | 2011-09-07 | 2015-10-21 | 株式会社明電舎 | Tank type vacuum circuit breaker |
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2014
- 2014-11-20 CN CN201410663943.2A patent/CN104485255B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201252047Y (en) * | 2008-07-29 | 2009-06-03 | 上海维埃姆电力科技有限公司 | Movable end connecting structure for sealed high-pressure vacuum breaker |
| CN202856230U (en) * | 2012-10-23 | 2013-04-03 | 福建中能电气股份有限公司 | Solid insulating switch |
| CN204315453U (en) * | 2014-11-20 | 2015-05-06 | 平高集团有限公司 | Double-fracture switchgear and monopolar configuration thereof |
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| CN104485255A (en) | 2015-04-01 |
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