CN105304400A - Novel vacuum arc-extinguishing chamber for solid insulated ring main unit - Google Patents
Novel vacuum arc-extinguishing chamber for solid insulated ring main unit Download PDFInfo
- Publication number
- CN105304400A CN105304400A CN201510737110.0A CN201510737110A CN105304400A CN 105304400 A CN105304400 A CN 105304400A CN 201510737110 A CN201510737110 A CN 201510737110A CN 105304400 A CN105304400 A CN 105304400A
- Authority
- CN
- China
- Prior art keywords
- moving contact
- shell
- contact
- main unit
- ring main
- 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.)
- Granted
Links
- 239000007787 solid Substances 0.000 title claims abstract description 29
- 239000011810 insulating material Substances 0.000 claims abstract description 7
- 238000009413 insulation Methods 0.000 claims description 26
- 230000003068 static effect Effects 0.000 claims description 15
- 230000000694 effects Effects 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000013589 supplement Substances 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 the technical field of high-voltage switch gears, relates to a vacuum arc-extinguishing chamber for a solid insulated switch gear, and aims at solving the technical problems of limited operating environment, potential safety hazards and the like in the prior art. A novel vacuum arc-extinguishing chamber for a solid insulated ring main unit comprises a housing which is made of an insulating material and is vacuum in the inside, wherein the housing is in a long tube form, and is sequentially provided with a line inlet end, a fixed contact, a moving contact, a watchband contact finger, a grounded moving contact, an insulated pull rod, a corrugated pipe and a linkage shaft along the axial direction; a line outlet end which is solidified on the housing and is in a tubular form is arranged on the periphery of the watchband contact finger; a grounded fixed contact which is solidified on the housing and is in the tubular form is arranged on the periphery of the grounded moving contact; the corrugated pipe is connected with the linkage shaft; and the linkage shaft penetrates out of the end part of the other end of the housing. Compare with the prior art, the novel vacuum arc-extinguishing chamber has the advantages that the design is relatively simple and reasonable; and the operating environment is diverse and relatively safe.
Description
Technical field
The invention belongs to high voltage switchgear technical field, relate to a kind of for the vacuum interrupter in the middle of solid-state insulated switchgear.
Background technology
Two station structures that existing solid insulation switch adopts, thus need two vacuum interrupters, or vacuum interrupter switches set of adding three stations is incompatible completes, thus cost is high, complex structure.And function such as Fig. 1 that common vacuum interrupter does not have ground connection shows, vacuum interrupter lower end one second part that existing solid-state insulated switchgear adopts is placed in the middle of air, thus does not claim to be solid-state insulated switchgear truly.
In order to solve prior art Problems existing, people have carried out long-term exploration, propose solution miscellaneous.Such as, Chinese patent literature discloses a kind of three station vacuum arc extinguish chambers, and [application number: 201210358697.0], comprises main contact, conducting rod, insulating contact, grounding contact, bellows, fairlead, magnet ring and insulation crust; Main contact, insulating contact and grounding contact are from top to bottom arranged on insulation crust, and magnet ring is sealingly fastened in insulation crust bottom, and bellows upper end is welded on conducting rod, and lower end is welded on magnet ring.
Above-mentioned scheme improves the subproblem of prior art to a certain extent, but the program also at least exists following defect: a part is placed in air, and be not vacuum interrupter truly, the environment of use is limited, there is potential safety hazard.
Summary of the invention
The object of the invention is for the problems referred to above, provide a kind of design more rationally and be all placed in the Novel vacuum interrupter for solid insulation ring main unit of vacuum.
For achieving the above object, present invention employs following technical proposal: this Novel vacuum interrupter being used for solid insulation ring main unit comprises to be made up and the shell of inner vacuum of insulating material, this shell is elongated tubular, described shell is axially provided with end of incoming cables successively along it, fixed contact, moving contact, watchband-shaped contactor, ground connection moving contact, insulated tension pole, bellows and universal driving shaft, described end of incoming cables is solidificated in the end, one end of shell and end of incoming cables and fixed contact are connected, described moving contact is connected with ground connection moving contact by watchband-shaped contactor, be solidificated on shell and tubular leading-out terminal outer being arranged with of watchband-shaped contactor, be arranged with outside described ground connection moving contact and be solidificated on shell and tubular grounding static contact, described ground connection moving contact is connected with bellows by insulated tension pole, described bellows is connected with universal driving shaft and universal driving shaft passes the end of the shell other end.This design not only realizes only needing a vacuum interrupter namely can realize three station functions, and all structures are all placed in the environment of vacuum.
Above-mentioned in the Novel vacuum interrupter of solid insulation ring main unit, described fixed contact and the outer of moving contact are arranged with in tubular and fixing radome in the enclosure.
Above-mentioned in the Novel vacuum interrupter of solid insulation ring main unit, the side of described leading-out terminal is extended shell and is connected with the external circuitry of housing exterior.
Above-mentioned in the Novel vacuum interrupter of solid insulation ring main unit, described grounding static contact inside upper part is provided with the annular notches adapted with ground connection moving contact bottom, and when ground connection moving contact moves axially downwards to grounding static contact place, ground connection moving contact embeds in annular notches.
Above-mentioned in the Novel vacuum interrupter of solid insulation ring main unit, shell is extended and ground connection in the side of described grounding static contact.
Above-mentioned in the Novel vacuum interrupter of solid insulation ring main unit, described insulated tension pole adopts solid insulating material cast to form and surperficial undulate.
Above-mentioned in the Novel vacuum interrupter of solid insulation ring main unit, described bellows top is connected with the circumference locking plate be fixed on outer casing inner wall, and bottom is fixed on the bottom of shell, and described bellows has elasticity.
Above-mentioned in the Novel vacuum interrupter of solid insulation ring main unit, when described moving contact contacts with fixed contact, the distance of described moving contact and leading-out terminal upper surface is more than or equal to the distance of ground connection moving contact to annular notches.
Above-mentioned in the Novel vacuum interrupter of solid insulation ring main unit, the lower end of described universal driving shaft is provided with positioning screw hole.
Compared with prior art, this advantage being used for the Novel vacuum interrupter of solid insulation ring main unit is: 1, design succinctly facilitates, and just can be reached the effect of three stations, decrease the space taken, save material by arc control device; 2, all structures are all in the state of vacuum, realize vacuum extinction function truly, can be applied in the middle of various rugged environment, and reduce potential safety hazard.
Accompanying drawing explanation
Fig. 1 is the cutaway view of conventional vacuum arc control device.
Fig. 2 is cutaway view provided by the invention.
In figure, shell 1, end of incoming cables 2, fixed 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, leading-out terminal 10, grounding static contact 11, radome 12, annular notches 13, locking plate 14, positioning screw hole 15.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
As shown in Figure 1, this Novel vacuum interrupter being used for solid insulation ring main unit comprises to be made up and the shell 1 of inner vacuum of insulating material, this shell 1 is in elongated tubular, described shell 1 is axially provided with end of incoming cables 2, fixed 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 successively along it, described end of incoming cables 2 is solidificated in the end, one end of shell 1 and end of incoming cables 2 and fixed contact 3 are connected, and fixed contact 3 and the outer of moving contact 4 are arranged with in tubular and are fixed on the radome 12 in shell 1.Radome 12 has the effect of arc extinguishing.Described moving contact 4 is connected with ground connection moving contact 6 by watchband-shaped contactor 5, and watchband-shaped contactor 5 has good energising and the state switching performance of power-off.Be solidificated on shell 1 and tubular leading-out terminal 10 outer being arranged with of watchband-shaped contactor 5, the side of leading-out terminal 10 is extended shell 1 and is connected with the external circuitry of shell 1 outside.Be arranged with outside described ground connection moving contact 6 and be solidificated on shell 1 and tubular grounding static contact 11, shell 1 is extended and ground connection in the side of grounding static contact 11.Described ground connection moving contact 6 is connected with bellows 8 by insulated tension pole 7, and insulated tension pole 7 adopts solid insulating material to pour into a mould and forms and surperficial undulate.Described bellows 8 is connected with universal driving shaft 9 and universal driving shaft 9 passes the end of shell 1 other end.The lower end of universal driving shaft 9 is provided with positioning screw hole 15.Bellows 8 top is connected with the circumference locking plate 14 be fixed on shell 1 inwall, and bottom is fixed on the bottom of shell 1, and described bellows 8 has elasticity.When fixed contact 3 contacts with moving contact 4, these arc control device are in "on" position; Pull universal driving shaft 9 drive moving contact 4 depart from fixed contact 3 then arc control device be in gate-dividing state; When pulling universal driving shaft 9 that ground connection moving contact 6 is contacted with grounding static contact 11, arc control device are in ground state.
Further, described grounding static contact 11 inside upper part is provided with the annular notches 13 adapted with ground connection moving contact 6 bottom, and when ground connection moving contact 6 moves axially downwards to grounding static contact 11 place, ground connection moving contact 6 embeds in annular notches 13.
In the present embodiment, when described moving contact 4 contacts with fixed contact 3, described moving contact 4 and the distance of leading-out terminal 10 upper surface are more than or equal to the distance of ground connection moving contact 6 to annular notches 13.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ the terms such as shell 1, end of incoming cables 2, fixed 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, leading-out terminal 10, grounding static contact 11, radome 12, annular notches 13, locking plate 14, positioning screw hole 15 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (9)
1. the Novel vacuum interrupter for solid insulation ring main unit, comprise and being made up and the shell of inner vacuum (1) of insulating material, this shell (1) is in elongated tubular, it is characterized in that, described shell (1) is axially provided with end of incoming cables (2) successively along it, fixed 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), described end of incoming cables (2) is solidificated in the end, one end of shell (1) and end of incoming cables (2) and fixed contact (3) are connected, described moving contact (4) is connected with ground connection moving contact (6) by watchband-shaped contactor (5), be solidificated on shell (1) and tubular leading-out terminal (10) outer being arranged with of watchband-shaped contactor (5), be arranged with outside described ground connection moving contact (6) and be solidificated on shell (1) and tubular grounding static contact (11), described ground connection moving contact (6) is connected with bellows (8) by insulated tension pole (7), described bellows (8) is connected with universal driving shaft (9) and universal driving shaft (9) passes the end of shell (1) other end.
2. the Novel vacuum interrupter for solid insulation ring main unit according to claim 1, it is characterized in that, described fixed contact (3) and the outer of moving contact (4) are arranged with in tubular and are fixed on the radome (12) in shell (1).
3. the Novel vacuum interrupter for solid insulation ring main unit according to claim 1 and 2, it is characterized in that, the side of described leading-out terminal (10) extends shell (1) and the external circuitry outside with shell (1) is connected.
4. the Novel vacuum interrupter for solid insulation ring main unit according to claim 3, it is characterized in that, described grounding static contact (11) inside upper part is provided with the annular notches (13) adapted with ground connection moving contact (6) bottom, and when ground connection moving contact (6) moves axially downwards to grounding static contact (11) place, ground connection moving contact (6) embeds in annular notches (13).
5. the Novel vacuum interrupter for solid insulation ring main unit according to claim 4, is characterized in that, shell (1) is extended and ground connection in the side of described grounding static contact (11).
6. the Novel vacuum interrupter for solid insulation ring main unit according to claim 5, is characterized in that, described insulated tension pole (7) adopts solid insulating material cast to form and surperficial undulate.
7. the Novel vacuum interrupter for solid insulation ring main unit according to claim 6, it is characterized in that, the locking plate (14) that described bellows (8) top and circumference are fixed on shell (1) inwall is connected, and bottom is fixed on the bottom of shell (1), described bellows (8) has elasticity.
8. the Novel vacuum interrupter for solid insulation ring main unit according to claim 7, it is characterized in that, when described moving contact (4) contacts with fixed contact (3), described moving contact (4) is more than or equal to the distance of ground connection moving contact (6) to annular notches (13) with the distance of leading-out terminal (10) upper surface.
9. the Novel vacuum interrupter for solid insulation ring main unit according to claim 8, is characterized in that, the lower end of described universal driving shaft (9) is provided 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 true CN105304400A (en) | 2016-02-03 |
| CN105304400B CN105304400B (en) | 2018-10-02 |
Family
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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) |
Cited By (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 |
| CN105679596A (en) * | 2016-03-31 | 2016-06-15 | 成都西沃克真空科技有限公司 | Super-high-voltage vacuum insulation device |
| 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 |
| CN112892891A (en) * | 2021-03-03 | 2021-06-04 | 武汉伯瑞恒医药科技有限公司 | Centrifugal device for extracting anti-leukemia active molecules and intermediates |
Citations (8)
| 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 |
| DE20321748U1 (en) * | 2003-12-19 | 2009-05-14 | 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 interrupter for isolation and grounding |
| 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 |
| 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 |
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2015
- 2015-11-02 CN CN201510737110.0A patent/CN105304400B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20321748U1 (en) * | 2003-12-19 | 2009-05-14 | Abb Technology Ag | Medium-voltage switchgear |
| CN2692814Y (en) * | 2004-02-27 | 2005-04-13 | 伍天星 | Metallic contact for electric apparatus switch |
| CN201773758U (en) * | 2010-04-21 | 2011-03-23 | 山东晨鸿电气有限公司 | Three-station vacuum interrupter for isolation and grounding |
| 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 |
| 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 |
Cited By (6)
| 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 |
| CN105679596A (en) * | 2016-03-31 | 2016-06-15 | 成都西沃克真空科技有限公司 | Super-high-voltage vacuum insulation device |
| 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 |
| CN112892891A (en) * | 2021-03-03 | 2021-06-04 | 武汉伯瑞恒医药科技有限公司 | Centrifugal device for extracting anti-leukemia active molecules and intermediates |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105304400B (en) | 2018-10-02 |
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Granted publication date: 20181002 |