CN208298753U - Three-phase individual screen formula breaker - Google Patents
Three-phase individual screen formula breaker Download PDFInfo
- Publication number
- CN208298753U CN208298753U CN201820784090.1U CN201820784090U CN208298753U CN 208298753 U CN208298753 U CN 208298753U CN 201820784090 U CN201820784090 U CN 201820784090U CN 208298753 U CN208298753 U CN 208298753U
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- Prior art keywords
- shielding box
- individual screen
- phase
- vacuum interrupter
- screen formula
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- 239000012212 insulator Substances 0.000 claims abstract description 16
- 230000003068 static effect Effects 0.000 claims abstract description 6
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- 239000000919 ceramic Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 229920002379 silicone rubber Polymers 0.000 claims description 5
- 239000004945 silicone rubber Substances 0.000 claims description 5
- 230000008033 biological extinction Effects 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims description 2
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- 230000007246 mechanism Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
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- 238000013475 authorization Methods 0.000 description 1
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- 238000005253 cladding Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Abstract
The utility model relates to three-phase individual screen formula breakers.Three-phase individual screen formula breaker, including main frame and vacuum interrupter, the static side of vacuum interrupter and moved end pass through the first and second insulator respectively and are fixed on main frame, three-phase individual screen formula breaker further includes the shielding box for being disposed around the moved end of vacuum interrupter, it is fixedly connected at the top of the moved end of the vacuum interrupter and shielding box, the bottom of the shielding box is fixedly connected with main frame.The utility model is by adopting the above technical scheme, the shielding box for being disposed around the moved end of vacuum interrupter can form independent electric field environment in the moved end of each phase vacuum interrupter, shielding action is played to structure and movable end of vacuum arc extinguishing chamber in irregular shape, internal field is avoided to be unevenly distributed, so as to reduce each phase spacing, reduce the volume of vacuum circuit breaker.
Description
Technical field
The utility model relates to three-phase individual screen formula breakers.
Background technique
Currently, traditional high-voltage circuitbreaker uses handcart type vacuum circuit breaker form or fixed vacuum breaker shape
Formula, handcart type vacuum circuit breaker need other configuration isolation switch, and fixed vacuum breaker is then needed in breaker and isolation
Frame structure is respectively set on switch, using the switchgear volume of the vacuum circuit breaker of these forms is larger, structure is complicated, installation
It transports all very difficult.Meanwhile current vacuum interrupter breaker generallys use pole form, structure is complex,
Heat dissipation performance is poor, size is larger, is unfavorable for the miniaturization of switchgear, and with high costs.
There are also breakers to use block assembled type breaker in the prior art, such as Authorization Notice No. is CN
A kind of indoor HVAC vacuum generator breaker, main body are unenclosed construction disclosed in the Chinese patent of 203631408U,
Including main frame, the spring operating mechanism being arranged in main frame, secondary drive mechanism, insulated pull rod and it is arranged in main frame
On main conductive circuit of three-phase；Main conductive circuit of three-phase includes upper wire outlet seat, lower wire outlet seat and vacuum interrupter,
Upper wire outlet seat, lower wire outlet seat respectively correspond moved end and the static side of vacuum interrupter, and exhausted by horizontally disposed first respectively
Edge and the second insulator are fixed on main frame, and the second insulation is additionally provided between vacuum interrupter lower part and main frame bottom
Bar.Vacuum interrupter spring operating mechanism is connect with secondary drive mechanism, and secondary drive mechanism is gone out by insulated pull rod and vacuum
The four-bar mechanism connection of the moved end setting of arc chamber, for driving moving conductive rod to act.
But the components at the vacuum interrupter moving conductive rod position of this kind of breaker disclosed in existing above-mentioned patent
Irregular arrangement, the shape of each components is also irregular and there are more seamed edge components outstanding, therefore there are internal fields
The problem of being unevenly distributed, in order to avoid occurring insulating, unqualified, partial discharge is worth larger problem, needs to increase each phase spacing, causes
The volume of existing breaker is also larger, and the piecemeal group in order to guarantee being reliably fixed for vacuum interrupter, in above-mentioned patent
Dress formula breaker needs to be arranged insulating bar and is supported to vacuum interrupter, and structure is not compact enough.
Utility model content
The purpose of the utility model is to provide a kind of three-phase individual screen formula breakers, to solve existing vacuum circuit breaker
The problem that moving conductive rod position field distribution is uneven, volume is larger.
To achieve the above object, in the utility model the technical solution adopted is that:
1. three-phase individual screen formula breaker of technical solution, including main frame and vacuum interrupter, vacuum interrupter it is quiet
End and moved end pass through the first and second insulator respectively and are fixed on main frame, and three-phase individual screen formula breaker further includes being disposed around
The shielding box of the moved end of vacuum interrupter is fixedly connected at the top of the moved end of the vacuum interrupter and shielding box, the shielding
The bottom of box is fixedly connected with main frame.
The utility model has the advantages that the utility model by adopting the above technical scheme, is disposed around the shielding box energy of the moved end of vacuum interrupter
It is enough to form independent electric field environment in the moved end of each phase vacuum interrupter, to structure and movable end of vacuum arc extinguishing chamber in irregular shape
Shielding action is played, internal field is avoided to be unevenly distributed, so as to reduce each phase spacing, reduces the volume of vacuum circuit breaker.
The three-phase individual screen formula breaker according to technical solution 1 of technical solution 2., the shielding box is by metal material
Material is made, and seamed edge is equipped with rounded corner.
The utility model has the advantages that it is simple using program structure, convenient for manufacture, advantageously reduce cost.
The three-phase individual screen formula breaker according to technical solution 1 of technical solution 3., the bottom end of the shielding box
Face is equipped with fixed plate, and fixed plate is equipped with for the connecting hole fixed with main frame.
The utility model has the advantages that it is convenient for disassembly and assembly using the program, it is convenient for safeguarding.
The three-phase individual screen formula breaker according to technical solution 3 of technical solution 4., fixed plate are arranged in shielding box
Bottom end face far from the first and second insulator side.
The three-phase individual screen formula breaker according to any one of technical solution 1 to 4 of technical solution 5., the screen
The vertical side close to the first and second insulator for covering box is open architecture.
The three-phase individual screen formula breaker according to any one of technical solution 1 to 4 of technical solution 6., the screen
The main shaft being equipped in box for driving the moved end of vacuum interrupter to act is covered, the main shaft is axially parallel to three-phase vacuum extinction
The orientation of room, the two relative side of the shielding box are equipped with main shaft along axial corresponding spindle hole.
The three-phase individual screen formula breaker according to technical solution 6 of technical solution 7., the two of the shielding box are opposite
The pilot hole vertically extended is equipped on side in the top of spindle hole, is equipped with up and down setting in the shielding box
Guide part, the guide part are connect with the spindle drive, and the guide part guiding movement is arranged in pilot hole.
The utility model has the advantages that making the driving mechanism centralized arrangement of vacuum interrupter using the program, make structure and spread geometry
Irregular components concentrate in shielding box as far as possible, so as to more effectively uniform electric field, reduce volume, while can be
Realize that the excess of stroke is pre-adjusted before non-general assembly.
The three-phase individual screen formula breaker according to any one of technical solution 1 to 4 of technical solution 8., it is described true
Empty arc-chutes have ceramic outer wall, are enclosed with silicone rubber insulation layer in ceramic outer wall.
The three-phase individual screen formula breaker according to any one of technical solution 1 to 4 of technical solution 9., the screen
Covering box includes half box body that two orientations along three-phase vacuum interrupter are radially arranged, two half box bodys are combined to form
The shielding box.
The three-phase individual screen formula breaker according to technical solution 9 of technical solution 10., half box body are metal plate
Part.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of three-phase individual screen formula breaker in the utility model；
Fig. 2 is the left view (schematic diagram) of Fig. 1；
Fig. 3 is the left view of shielding box；
Fig. 4 is the arrangement relation schematic diagram of vacuum interrupter and shielding box；
Fig. 5 is the Soft Roll appearance schematic diagram of vacuum interrupter in Fig. 1.
The corresponding title of each appended drawing reference in figure are as follows: 10- main frame, 11- vacuum interrupter, 12- shielding box, 13- first
Insulator, the second insulator of 14-, 15- support beam, 16- silicone rubber insulation layer, 17- moving conductive rod, 18- fixed plate, 19- connect
Connect hole, 20- main shaft, 21- spindle hole, 22- pilot hole, 23- guide part.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
One embodiment of the utility model three-phase individual screen formula breaker is that a kind of three-phase is only as shown in Fig. 1 ~ Fig. 5
Vertical protected type adjustable circuit breaker, including main frame 10, three-phase vacuum interrupter 11 and corresponded with three-phase vacuum interrupter 11
Shielding box 12, the upper end of vacuum interrupter 11 is static side, and lower end is moved end, and static side and moved end pass through the of pillar form respectively
One insulator 13 and the second insulator 14 are fixed in the correspondence support beam 15 on main frame 10, the bottom of shielding box 12 and master
Frame 10 is fixedly connected.
Vacuum interrupter 11 has ceramic outer wall, is enclosed with silicone rubber insulation layer 16, silicone rubber insulation layer in ceramic outer wall
16 can be improved insulation performance.Arc-chutes top is equipped with static conductive rod, can connect with the disconnecting switch on top；Vacuum interrupter
11 lower parts are equipped with moving conductive rod 17, and moving conductive rod 17 is connected with excess of stroke adjusting nut, for realizing excess of stroke adjusting.The excess of stroke adjusts spiral shell
Female structure is using extensively on vacuum interrupter 11, and details are not described herein again for specific structure.Pass through forward and reverse rotation when use
Excess of stroke adjusting nut can increase and reduce the excess of stroke, rotating cycle can just be calculated according to required data, to realize the required excess of stroke.It is dynamic to lead
Electric pole 17 is connect by being flexible coupling with outlet copper bar, and can be cooperated with earthing switch and be grounded breaking-closing operating.
Orientation of the shielding box 12 by two and half box bodys along three-phase vacuum interrupter 11 is combined to form, true for being disposed around
The moved end of empty arc-chutes 11, the vertical side close to the first and second insulator of the shielding box 12 are open architecture, absolutely convenient for second
The assembly of the moved end component of the fixation and vacuum interrupter 11 of edge 14.Half box body is sheet metal component, and easily manufactured, seamed edge is equipped with
Rounded corner guarantees that surrounding electric field is uniformly distributed.The bottom end face of shielding box 12 is equipped with solid in the side far from the first and second insulator
Fixed board 18, fixed plate 18 are equipped with for the connecting hole 19 fixed with main frame 10, are fixed on by connecting hole 19 and fastener
On main frame 10.The cross-sectional shape of shielding box 12 can be arc-shaped, U-shaped etc..
The inside of shielding box 12 is equipped with the main shaft 20 for driving the moved end of vacuum interrupter 11 to act, the main shaft 20
It is axially parallel to the orientation of three-phase vacuum interrupter 11, the two relative side of the shielding box 12 is equipped with and 20 edge of main shaft
Axial corresponding spindle hole 21, convenient for the connection of transmission shaft, and can guarantee the shielding properties of shielding box 12.The shielding box 12
Two relative side in the top of spindle hole 21 be equipped with the pilot hole 22 that vertically extends, be equipped in the shielding box 12
The guide part 23 of up and down setting, the guide part 23 are sequentially connected with the main shaft 20 by connecting lever, the guide part 23
Guiding movement is arranged in pilot hole 22.
Breaker can carry out piecemeal assembling, when assembling, first by the moving conductive rod 17 of 11 lower part of vacuum interrupter and soft company
It connects and the piecemeals components such as the driving of main shaft 20 assembles, then outer framework is fixed to by the first insulator 13 and the second insulator 14
On, overall installation, unified debugging are carried out after each piecemeal assembling again, realizes the modularized design of product, easy for installation and effect
Rate is high.It is smaller than common assembly type breaker size, structure is simpler, cost is relatively low and three-phase individual screen, can homogenize
Field distribution, partial discharge is lower, more securely and reliably.
In the above-described embodiments, shielding box 12 is consolidated by the connecting hole 19 in fixed plate 18 and fixed plate 18 with main frame 10
Fixed connection, in the other embodiments of the utility model, shielding box 12 can also connect by the way that other forms and main frame 10 are fixed
It connects, such as flange is set on 12 bottom outer peripheral surface of shielding box, connect by flange with main frame 10.
In the other embodiments of the utility model, shielding box 12 also could alternatively be other forms, such as in metal mesh
Or metal plate outer cladding insulating resin.
In the other embodiments of the utility model, the driving mechanism of vacuum interrupter 11 can also be using in the prior art
Form, by main shaft 20 be arranged outside shielding box 12, do not need that spindle hole 21 in addition is arranged at this time on shielding box 12.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to
The utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For member, still the modification for being not required to make the creative labor can be carried out to technical solution documented by foregoing embodiments,
Or equivalent replacement of some of the technical features.Within the spirit and principle of the utility model, made any
Modification, equivalent replacement, improvement etc., should be included within the scope of protection of this utility model.
Claims (10)
1. three-phase individual screen formula breaker, including main frame and vacuum interrupter, the static side of vacuum interrupter and moved end difference
It is fixed on main frame by the first and second insulator, it is characterised in that: three-phase individual screen formula breaker further includes being disposed around very
The shielding box of the moved end of empty arc-chutes is fixedly connected at the top of the moved end of the vacuum interrupter and shielding box, the shielding box
Bottom be fixedly connected with main frame.
2. three-phase individual screen formula breaker according to claim 1, it is characterised in that: the shielding box is by metal material
It is made, seamed edge is equipped with rounded corner.
3. three-phase individual screen formula breaker according to claim 1, it is characterised in that: the bottom end face of the shielding box
It is equipped with fixed plate, fixed plate is equipped with for the connecting hole fixed with main frame.
4. three-phase individual screen formula breaker according to claim 3, it is characterised in that: shielding box is arranged in fixed plate
The side far from the first and second insulator of bottom end face.
5. three-phase individual screen formula breaker described in any one according to claims 1 to 4, it is characterised in that: the screen
The vertical side close to the first and second insulator for covering box is open architecture.
6. three-phase individual screen formula breaker described in any one according to claims 1 to 4, it is characterised in that: the screen
The main shaft being equipped in box for driving the moved end of vacuum interrupter to act is covered, the main shaft is axially parallel to three-phase vacuum extinction
The orientation of room, the two relative side of the shielding box are equipped with main shaft along axial corresponding spindle hole.
7. three-phase individual screen formula breaker according to claim 6, it is characterised in that: the two opposite sides of the shielding box
The pilot hole vertically extended, leading equipped with up and down setting in the shielding box are equipped on face in the top of spindle hole
To part, the guide part is connect with the spindle drive, and the guide part guiding movement is arranged in pilot hole.
8. three-phase individual screen formula breaker described in any one according to claims 1 to 4, it is characterised in that: described true
Empty arc-chutes have ceramic outer wall, are enclosed with silicone rubber insulation layer in ceramic outer wall.
9. three-phase individual screen formula breaker described in any one according to claims 1 to 4, it is characterised in that: the screen
Covering box includes half box body that two orientations along three-phase vacuum interrupter are radially arranged, two half box bodys are combined to form
The shielding box.
10. three-phase individual screen formula breaker according to claim 9, it is characterised in that: half box body is sheet metal component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820784090.1U CN208298753U (en) | 2018-05-24 | 2018-05-24 | Three-phase individual screen formula breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820784090.1U CN208298753U (en) | 2018-05-24 | 2018-05-24 | Three-phase individual screen formula breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208298753U true CN208298753U (en) | 2018-12-28 |
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ID=64727140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820784090.1U Active CN208298753U (en) | 2018-05-24 | 2018-05-24 | Three-phase individual screen formula breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208298753U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109461619A (en) * | 2018-05-24 | 2019-03-12 | 许继集团有限公司 | A kind of three-phase individual screen formula breaker |
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2018
- 2018-05-24 CN CN201820784090.1U patent/CN208298753U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109461619A (en) * | 2018-05-24 | 2019-03-12 | 许继集团有限公司 | A kind of three-phase individual screen formula breaker |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 1298 Xuji Avenue, Xuchang City, Henan Province Patentee after: XJ Group Corp. Patentee after: Xuji delischer Electric Co.,Ltd. Patentee after: STATE GRID CORPORATION OF CHINA Address before: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Patentee before: XJ Group Corp. Patentee before: XUCHANG XUJI DRIESCHER WEGBERG ELECTRIC Co.,Ltd. Patentee before: STATE GRID CORPORATION OF CHINA |