CN105304400B - Vacuum interrupter for solid insulation ring main unit - Google Patents
Vacuum interrupter for solid insulation ring main unit Download PDFInfo
- Publication number
- CN105304400B CN105304400B CN201510737110.0A CN201510737110A CN105304400B CN 105304400 B CN105304400 B CN 105304400B CN 201510737110 A CN201510737110 A CN 201510737110A CN 105304400 B CN105304400 B CN 105304400B
- Authority
- CN
- China
- Prior art keywords
- shell
- moving contact
- ground connection
- contact
- bellows
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 20
- 239000007787 solid Substances 0.000 title claims abstract description 18
- 230000003068 static effect Effects 0.000 claims abstract description 30
- 239000011810 insulating material Substances 0.000 claims abstract description 5
- 238000007711 solidification Methods 0.000 abstract description 4
- 230000008023 solidification Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The invention belongs to high-tension switch gear technical fields, are related to a kind of vacuum interrupter in solid-state insulated switchgear.It solves that the environment of the existing technology used is limited, and there are the technical problems such as security risk.This includes being made of insulating materials and the shell of inner vacuum for vacuum interrupter of solid insulation ring main unit, the shell is in elongated tubular, the shell is axial successively equipped with end of incoming cables, static contact, moving contact, watchband-shaped contactor, ground connection moving contact, insulated tension pole, bellows and universal driving shaft along it, it is equipped with solidification on the shell and tubular leading-out terminal in the periphery of watchband-shaped contactor, the ground connection moving contact periphery is equipped with solidification on the shell and tubular grounding static contact, and the bellows is connected with universal driving shaft and universal driving shaft is pierced by the end of the shell other end.Compared with prior art, the invention has the advantages that：More advantages of simple is designed, the environment used is diversified and safer.
Description
Technical field
The invention belongs to high-tension switch gear technical fields, are related to a kind of vacuum in solid-state insulated switchgear
Arc-chutes.
Background technology
Two station structures that existing solid insulation switch uses, to need two vacuum interrupters or one
Vacuum interrupter adds the switch combination of three stations to complete, complicated to of high cost.And common vacuum interrupter
Function without ground connection such as figure one shows that one second part of vacuum interrupter lower end that existing solid-state insulated switchgear uses is set
In air, to not claim to be solid-state insulated switchgear truly.
Of the existing technology in order to solve the problems, such as, people have carried out long-term exploration, it is proposed that miscellaneous solution
Scheme.For example, Chinese patent literature discloses a kind of three station vacuum interrupters, [application number：201210358697.0], including
Main contact, conducting rod, insulating contact, grounding contact, bellows, guide sleeve, magnet ring and insulation crust；Main contact, insulating contact
It is from top to bottom mounted on insulation crust with grounding contact, magnet ring is sealingly fastened in insulation crust lower part, the welding of bellows upper end
On conducting rod, lower end is welded on magnet ring.
Above-mentioned scheme improves the subproblem of the prior art to a certain extent, and still, the program also at least exists
Following defect：A part is placed in air, not vacuum interrupter truly, and the environment used is limited, and there are safety
Hidden danger.
Invention content
Regarding the issue above, the present invention provides a kind of design is more reasonable and whole be placed in vacuum is used for admittedly
The vacuum interrupter of body insulation ring main unit.
In order to achieve the above objectives, present invention employs following technical proposals：This vacuum for being used for solid insulation ring main unit is gone out
Arc chamber includes being made of insulating materials and the shell of inner vacuum, which is in elongated tubular, and the shell is axial successively along it
Equipped with end of incoming cables, static contact, moving contact, watchband-shaped contactor, ground connection moving contact, insulated tension pole, bellows and universal driving shaft, it is described into
Line end is solidificated in one end end of shell and end of incoming cables is connected with static contact, and the moving contact is dynamic with ground connection by watchband-shaped contactor
Contact is connected, and solidification is equipped on the shell and tubular leading-out terminal in the periphery of watchband-shaped contactor, outside the ground connection moving contact
It encloses equipped with solidification on the shell and tubular grounding static contact, the ground connection moving contact pass through insulated tension pole and bellows phase
Even, the bellows is connected with universal driving shaft and universal driving shaft is pierced by the end of the shell other end.The design, which is not only realized, only to be needed
One vacuum interrupter can realize three station functions, and all structures are all placed in the environment of vacuum.
In the above-mentioned vacuum interrupter for solid insulation ring main unit, the periphery of the static contact and moving contact is set
There is the shielding case for being cylindrical in shape and fixing inside the shell.
In the above-mentioned vacuum interrupter for solid insulation ring main unit, shell is extended in the side of the leading-out terminal
And it is connected with the external circuitry of shell exterior.
In the above-mentioned vacuum interrupter for solid insulation ring main unit, the grounding static contact inside upper part is equipped with
The adaptable annular notches with ground connection moving contact lower part, and when ground connection moving contact is moved at grounding static contact axially downwards,
It is grounded in moving contact insertion annular notches.
In the above-mentioned vacuum interrupter for solid insulation ring main unit, the side of the grounding static contact is extended
Shell and ground connection.
In the above-mentioned vacuum interrupter for solid insulation ring main unit, the insulated tension pole uses solid insulation material
Material cast forms and surface undulate.
In the above-mentioned vacuum interrupter for solid insulation ring main unit, the bellows top with it is circumferentially fixed
Locking plate on outer casing inner wall is connected, and lower part is fixed on the bottom of shell, and the bellows has elasticity.
In the above-mentioned vacuum interrupter for solid insulation ring main unit, when the moving contact is contacted with static contact
When, the moving contact is more than or equal to ground connection moving contact to the distance of annular notches at a distance from leading-out terminal upper surface.
In the above-mentioned vacuum interrupter for solid insulation ring main unit, the lower end of the universal driving shaft is equipped with positioning spiral shell
Hole.
Compared with prior art, the advantages of being originally used for the vacuum interrupter of solid insulation ring main unit is：1, design letter
Clean convenience just can reach the effect of three stations by an arc-chutes, reduce the space occupied, save material；2, own
Structure realizes vacuum extinction function truly all in the state of vacuum, can be applied to various rugged environments and works as
In, and reduce security risk.
Description of the drawings
Fig. 1 is the sectional view of conventional vacuum arc-chutes.
Fig. 2 is sectional view provided by the invention.
In figure, shell 1, end of incoming cables 2, static contact 3, moving contact 4, watchband-shaped contactor 5, ground connection moving contact 6, insulated tension pole 7, wave
Line pipe 8 and universal driving shaft 9, leading-out terminal 10, grounding static contact 11, shielding case 12, annular notches 13, locking plate 14, positioning screw hole 15.
Specific implementation mode
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1, this includes being made of insulating materials and internal true for vacuum interrupter of solid insulation ring main unit
Empty shell 1, the shell 1 are in elongated tubular, the shell 1 along its it is axial be equipped with successively end of incoming cables 2, static contact 3, moving contact 4,
Watchband-shaped contactor 5, ground connection moving contact 6, insulated tension pole 7, bellows 8 and universal driving shaft 9, the end of incoming cables 2 are solidificated in the one of shell 1
It holds end and end of incoming cables 2 is connected with static contact 3, the periphery of static contact 3 and moving contact 4, which is equipped with, to be cylindrical in shape and be fixed in shell 1
Shielding case 12.Shielding case 12 plays the role of arc extinguishing.The moving contact 4 is connected by watchband-shaped contactor 5 with ground connection moving contact 6,
Watchband-shaped contactor 5 has the state switching performance of good energization and power-off.It is equipped in the periphery of watchband-shaped contactor 5 and is solidificated in shell 1
Upper and tubular leading-out terminal 10, the side of leading-out terminal 10 extends shell 1 and is connected with the external circuitry outside shell 1.Institute
The periphery of ground connection moving contact 6 stated, which is equipped with, to be solidificated on shell 1 and tubular grounding static contact 11, the side of grounding static contact 11
Extend shell 1 and is grounded.The ground connection moving contact 6 is connected by insulated tension pole 7 with bellows 8, and insulated tension pole 7 is using solid
The cast of body insulating materials forms and surface undulate.The bellows 8 is connected with universal driving shaft 9 and universal driving shaft 9 is pierced by shell 1
The end of the other end.The lower end of universal driving shaft 9 is equipped with positioning screw hole 15.8 top of bellows with it is circumferentially fixed on 1 inner wall of shell
Locking plate 14 is connected, and lower part is fixed on the bottom of shell 1, and the bellows 8 has elasticity.When static contact 3 and move tactile
When first 4 contact, which is in "on" position；And pull universal driving shaft 9 that moving contact 4 is driven to be detached from static contact 3 then at arc-chutes
In gate-dividing state；When pulling universal driving shaft 9 so that ground connection moving contact 6 and grounding static contact 11 contact, arc-chutes are in ground state.
Further, 11 inside upper part of grounding static contact is equipped with the annular adaptable with 6 lower part of ground connection moving contact
Notch 13, and when ground connection moving contact 6 is moved to axially downwards at grounding static contact 11, ground connection moving contact 6 is embedded in annular notches
In 13.
In the present embodiment, when the moving contact 4 is contacted with static contact 3, the moving contact 4 and 10 upper table of leading-out terminal
The distance in face is more than or equal to the distance that ground connection moving contact 6 arrives annular notches 13.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although shell 1 is used more herein, end of incoming cables 2, static contact 3, moving contact 4, watchband-shaped contactor 5, is grounded dynamic touch
First 6, insulated tension pole 7, bellows 8 and universal driving shaft 9, leading-out terminal 10, grounding static contact 11, shielding case 12, annular notches 13, locking
The terms such as plate 14, positioning screw hole 15, but it does not preclude the possibility of using other terms.The use of these items is only for more
Easily describe and explain the essence of the present invention；Being construed as any one of the additional limitations all is and spirit of that invention phase
It violates.
Claims (1)
- Include being made of insulating materials and the shell of inner vacuum 1. a kind of vacuum interrupter for solid insulation ring main unit (1), which is in elongated tubular, which is characterized in that the shell (1) is axial successively equipped with end of incoming cables (2), stationary contact along it Head (3), moving contact (4), watchband-shaped contactor (5), ground connection moving contact (6), insulated tension pole (7), bellows (8) and universal driving shaft (9), institute The end of incoming cables (2) stated is solidificated in one end end of shell (1) and end of incoming cables (2) are connected with static contact (3), the moving contact (4) it is connected with ground connection moving contact (6) by watchband-shaped contactor (5), is equipped with and is solidificated on shell (1) in the periphery of watchband-shaped contactor (5) And tubular leading-out terminal (10), the ground connection moving contact (6) periphery, which is equipped with, to be solidificated on shell (1) and tubular ground connection Static contact (11), the ground connection moving contact (6) are connected by insulated tension pole (7) with bellows (8), the bellows (8) It is connected with universal driving shaft (9) and universal driving shaft (9) is pierced by the end of shell (1) other end, the side of the leading-out terminal (10) extends Go out shell (1) and the external circuitry external with shell (1) is connected, the grounding static contact (11) inside upper part is equipped with and ground connection The adaptable annular notches (13) in moving contact (6) lower part, and when ground connection moving contact (6) is moved to grounding static contact axially downwards (11) when at, in the embedded annular notches (13) of ground connection moving contact (6)；Bellows (8) top with it is circumferentially fixed in shell (1) locking plate on inner wall (14) is connected, and lower part is fixed on the bottom of shell (1), and the bellows (8) has bullet Property；When the moving contact (4) and static contact (3) contact, the moving contact (4) is at a distance from leading-out terminal (10) upper surface More than or equal to the distance that ground connection moving contact (6) arrives annular notches (13)；The lower end of the universal driving shaft (9) is equipped with positioning screw hole (15)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510737110.0A CN105304400B (en) | 2015-11-02 | 2015-11-02 | Vacuum interrupter for solid insulation ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510737110.0A CN105304400B (en) | 2015-11-02 | 2015-11-02 | Vacuum interrupter for solid insulation ring main unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105304400A CN105304400A (en) | 2016-02-03 |
| CN105304400B true CN105304400B (en) | 2018-10-02 |
Family
ID=55201515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510737110.0A Expired - Fee Related CN105304400B (en) | 2015-11-02 | 2015-11-02 | Vacuum interrupter for solid insulation ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105304400B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105609363A (en) * | 2016-03-14 | 2016-05-25 | 信阳师范学院 | Vacuum arc-extinguishing chamber |
| CN105679596B (en) * | 2016-03-31 | 2018-10-19 | 成都西沃克真空科技有限公司 | A kind of extra-high voltage vacuum insulation arrangement |
| CN109449813A (en) * | 2018-12-28 | 2019-03-08 | 南通苏源恒炫电气有限公司 | A kind of highland and severe cold type solid-state insulated switchgear |
| CN112892891B (en) * | 2021-03-03 | 2022-12-06 | 武汉伯瑞恒医药科技有限公司 | Centrifugal device for extracting anti-leukemia active molecules and intermediates |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2692814Y (en) * | 2004-02-27 | 2005-04-13 | 伍天星 | Metallic contact for electric apparatus switch |
| CN102881510A (en) * | 2012-09-24 | 2013-01-16 | 中国西电电气股份有限公司 | Three-station vacuum arc extinguishing chamber |
| CN202839451U (en) * | 2012-09-27 | 2013-03-27 | 王永法 | Vacuum arc extinguish chamber |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10360633A1 (en) * | 2003-12-19 | 2005-07-28 | Abb Technology Ag | Medium-voltage switchgear |
| CN201773758U (en) * | 2010-04-21 | 2011-03-23 | 山东晨鸿电气有限公司 | Three-station vacuum arc extinguishing chamber for isolating and grounding |
| CN203055774U (en) * | 2012-12-31 | 2013-07-10 | 王永法 | Three-position solid all-insulated switch |
| CN203910660U (en) * | 2014-07-01 | 2014-10-29 | 王永法 | Three-position vacuum arc-extinguishing chamber |
| CN205069501U (en) * | 2015-11-02 | 2016-03-02 | 宁波耐吉新星自动化设备有限公司 | A novel vacuum interrupter for solid insulation looped netowrk cabinet |
-
2015
- 2015-11-02 CN CN201510737110.0A patent/CN105304400B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2692814Y (en) * | 2004-02-27 | 2005-04-13 | 伍天星 | Metallic contact for electric apparatus switch |
| CN102881510A (en) * | 2012-09-24 | 2013-01-16 | 中国西电电气股份有限公司 | Three-station vacuum arc extinguishing chamber |
| CN202839451U (en) * | 2012-09-27 | 2013-03-27 | 王永法 | Vacuum arc extinguish chamber |
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| Publication number | Publication date |
|---|---|
| CN105304400A (en) | 2016-02-03 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181002 |