CN108257816A - A kind of cylinder for extra-high voltage vacuum interrupter - Google Patents
A kind of cylinder for extra-high voltage vacuum interrupter Download PDFInfo
- Publication number
- CN108257816A CN108257816A CN201711465238.1A CN201711465238A CN108257816A CN 108257816 A CN108257816 A CN 108257816A CN 201711465238 A CN201711465238 A CN 201711465238A CN 108257816 A CN108257816 A CN 108257816A
- Authority
- CN
- China
- Prior art keywords
- ceramic shell
- static contact
- fixed
- static
- contact
- 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.)
- Withdrawn
Links
- 230000003068 static effect Effects 0.000 claims abstract description 68
- 239000000919 ceramic Substances 0.000 claims abstract description 48
- 230000006978 adaptation Effects 0.000 abstract description 9
- 238000002788 crimping Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 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
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
-
- 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 discloses a kind of cylinder for extra-high voltage vacuum interrupter, including ceramic shell, static side conductive capping, moved end end cover and auxiliary static contact；Moved end end cover is weldingly fixed on ceramic shell for setting the outlet of moving contact one end, and the center of moved end end cover is equipped with centre bore；Static side conductive capping is weldingly fixed in the outlet of the ceramic shell other end；Auxiliary static contact includes the fixed part being weldingly fixed on ceramic shell wall body and positioned at the ring shaped contact portion of Ceramic shell internal；The fixed part for assisting static contact is an annular slab, which is separated into two parts ceramic shell, which is respectively welded on the tow sides for being fixed on auxiliary static contact fixed part.The present invention has the following advantages：(1) the main conductive part of moving contact and main static contact adaptation, the annular auxiliary conducting part of moving contact and auxiliary static contact adaptation, so as to form binary channel circuit, so as to promote electric conductivity, can be used for extra high voltage line.
Description
Technical field
The invention belongs to vacuum extinction technical fields, and in particular to a kind of cylinder for extra-high voltage vacuum interrupter.
Background technology
Vacuum interrupter generally forms close by dynamic and static contact, main metallic shield, bold and vigorous line pipe and one by ceramic annulus
Container composition is sealed, mechanism action makes dynamic and static contact, separation, bellows and moving contact and the flange welding of sealing container, protects
When having demonstrate,proved moving contact and axially moving, the vacuum degree in container is unaffected.Vacuum interrupter has strong breaking capacity, and electric arc is not
It is exposed, allow frequent operation the advantages that, be suitable as the electrification on-off line operation of various types of vacuum switches.It is but existing
There is also a major defects for vacuum interrupter：It is difficult to apply in extra-high voltage environment.
Invention content
The object of the present invention is to provide a kind of suitable high current by the cylinder for extra-high voltage vacuum interrupter.
Realizing the technical solution of the object of the invention is：A kind of cylinder for extra-high voltage vacuum interrupter, including ceramics outside
Shell, static side conductive capping, moved end end cover and auxiliary static contact；Moved end end cover is weldingly fixed on ceramic shell for setting
In the outlet for putting moving contact one end, the center of moved end end cover is equipped with centre bore；Static side conductive capping is weldingly fixed on ceramics
In the outlet of the shell other end；Auxiliary static contact includes the fixed part being weldingly fixed on ceramic shell wall body and outside ceramics
Ring shaped contact portion inside shell；The fixed part for assisting static contact is an annular slab, which is separated into two ceramic shell
Part, two parts ceramic shell are respectively welded on the tow sides for being fixed on auxiliary static contact fixed part.
Said program is further preferably：The electrical connection pillar of evagination is equipped at the outer wall center of static side conductive capping.
Said program is further preferably：It is installed there are two being set on the opposite two side of two parts ceramic shell
Slot, the mounting groove of two parts ceramic shell combine to form two caulking grooves, be fixed in each caulking groove one for be electrically connected it is auxiliary
Help the conductive panel of static contact and static side conductive capping.
The present invention has the following advantages：(1) the main conductive part of moving contact and main static contact adaptation, the annular auxiliary of moving contact
Conductive part and auxiliary static contact adaptation, so as to form binary channel circuit, so as to promote electric conductivity, can be used for extra-high crimping
Road.
Description of the drawings
Fig. 1 is a kind of half section structure diagram of the present invention；
Fig. 2 is a kind of half section structure diagram that vacuum interrupter is made of cylinder shown in Fig. 1.
Label is shown in attached drawing：Static side conductive capping 2 is electrically connected pillar 21, ceramic shell 3, caulking groove 31, conductive panel
32, moved end end cover 4, centre bore 41, moving contact 5, sliding part 51, main conductive part 52, annular auxiliary conducting part 53, auxiliary screen
Cover cover 54, the first auxiliary shield pipe 541, the second auxiliary shield pipe 542, insulation tube 55, main static contact 6, motion block 61, quiet piece 62,
Elastic connecting pipe 63, support spring 64, vacuum-sealed cavity 65 assist static contact 7, fixed part 71, ring shaped contact portion 72, bellows component
8, slip pipe 81, assistant metal pipe 82, bellows 83, main metallic shield 9.
Specific embodiment
(embodiment 1, cylinder)
The present embodiment is a kind of cylinder for extra-high voltage vacuum interrupter, as shown in Figure 1, including ceramic shell 3, static side
Conductive capping 2, moved end end cover 4 and auxiliary static contact 7.
Moved end end cover 4 is weldingly fixed on ceramic shell for setting the outlet of moving contact one end, moved end sealed end
The center of lid is equipped with centre bore 41.
Static side conductive capping 2 is weldingly fixed in the outlet of the ceramic shell other end, the outer wall center of static side conductive capping
Electrical connection pillar 21 of the place equipped with evagination.
Auxiliary static contact 7 includes the fixed part 71 being weldingly fixed on ceramic shell wall body and positioned at Ceramic shell internal
Ring shaped contact portion 72.
The fixed part of static contact is assisted to stretch out ceramic shell, it can be outer by two auxiliary static contacts stretching ceramics by conduct piece
The part of shell and the electrical connection of static side conductive capping, connect for example, by using annealed copper wire.
In the present embodiment, the fixed part for assisting static contact is an annular slab, which is separated into two ceramic shell
Part, two parts ceramic shell are respectively welded on the tow sides for being fixed on auxiliary static contact fixed part.
Mounting groove there are two being set on the opposite two side of two parts ceramic shell, the installation of two parts ceramic shell
Slot combines to form two caulking grooves 31, be fixed in each caulking groove one for be electrically connected assist static contact and static side conductive capping
Conductive panel 32.
The present embodiment has the following advantages：(1) the main conductive part of moving contact and main static contact adaptation, the annular of moving contact are auxiliary
Conductive part and auxiliary static contact adaptation are helped, so as to form binary channel circuit, so as to promote electric conductivity, can be used for extra-high crimping
Road.
(application examples 1, vacuum interrupter)
The application example is using a kind of for extra-high voltage vacuum interrupter, as shown in Figure 2, packet made of above-described embodiment 1
Include cylinder, moving contact 5, main static contact 6, bellows component 8 and the main metallic shield 9 described in above-described embodiment 1.
The cylinder includes ceramic shell 3, static side conductive capping 2, moved end end cover 4 and auxiliary static contact 7.
Moved end end cover 4 is weldingly fixed in outlet of the ceramic shell equipped with moving contact one end, moved end end cover
Center is equipped with centre bore 41.
Bellows component includes the slip pipe 81 being weldingly fixed in the end cover centre bore of moved end, is weldingly fixed on moving contact
The bellows 83 of assistant metal pipe 82 and sealed connection slip pipe and assistant metal pipe on periphery wall.Moving contact is reciprocal in slip pipe
It slides.
Static side conductive capping is weldingly fixed in outlet of the ceramic shell equipped with main static contact one end, static side conductive capping
The electrical connection pillar 21 of evagination is equipped at outer wall center.
Main static contact includes motion block 61, quiet piece 62, elastic connecting pipe 63 and support spring 64.
At the center of inner wall that quiet piece and elastic connecting pipe are weldingly fixed on static side conductive capping, elastic connecting pipe it is another
End is fixed on the periphery wall of motion block, and quiet piece and support spring are sealed in interior vacuum-sealed cavity 65 so as to be enclosed one.Support
Spring is set on quiet piece, and one end of support spring is connected on static side conductive capping, and the other end of support spring is connected on motion block.Free shape
Under state, quiet piece and motion block are strutted to form gap by support spring.Preferable scheme is that：Elastic connecting pipe selects insulation tube to be made.
Auxiliary static contact 7 includes the fixed part 71 being weldingly fixed on ceramic shell wall body and is set in moving contact periphery wall
On ring shaped contact portion 72.Ring shaped contact portion 72 is located at Ceramic shell internal.
Moving contact 5 include sliding part 51, for be adapted to motion block in main static contact main conductive part 52, for auxiliary it is quiet
The annular auxiliary conducting part 53 of annular contact site adaptation and the auxiliary screen being fixed on annular auxiliary conducting part in contact
Cover cover 54.
Auxiliary shield cover 54 includes being arranged on the first auxiliary shield pipe 541 of ring shaped contact portion inner circumferential side and is arranged on ring
Second auxiliary shield pipe 542 of shape contact site peripheral side, the first auxiliary shield pipe and the second auxiliary shield Guan Jun are fixed at
On the annular auxiliary conducting part of moving contact.
Also embedded with insulation tube 55 on the periphery wall of moving contact, which is located at the inside of the first auxiliary shield pipe.
The fixed part of static contact is assisted to stretch out ceramic shell, it can be outer by two auxiliary static contacts stretching ceramics by conduct piece
The part of shell and the electrical connection of static side conductive capping, connect for example, by using annealed copper wire.
In the application example, the fixed part for assisting static contact is an annular slab, which is separated into two ceramic shell
Part, two parts ceramic shell are respectively welded on the tow sides for being fixed on auxiliary static contact fixed part.
Mounting groove there are two being set on the opposite two side of two parts ceramic shell, the installation of two parts ceramic shell
Slot combines to form two caulking grooves 31, be fixed in each caulking groove one for be electrically connected assist static contact and static side conductive capping
Conductive panel 32.
The application example has the following advantages：(1) the main conductive part of moving contact and main static contact adaptation, the annular of moving contact are auxiliary
Conductive part and auxiliary static contact adaptation are helped, so as to form binary channel circuit, so as to promote electric conductivity, can be used for extra-high crimping
Road.(2) main static contact has preferable buffering effect, and anti-impact force performance is good, ensures service life.
The undocumented technology of this specification is known technology, therefore is no longer described in detail.
Claims (3)
1. a kind of cylinder for extra-high voltage vacuum interrupter, including ceramic shell；It is characterized in that：Further include static side conduction envelope
Lid, moved end end cover and auxiliary static contact；Moved end end cover is weldingly fixed on ceramic shell for setting moving contact one end
Outlet on, the center of moved end end cover is equipped with centre bore；Static side conductive capping is weldingly fixed on the ceramic shell other end
In outlet；Auxiliary static contact includes being weldingly fixed on the fixed part on ceramic shell wall body and the annular positioned at Ceramic shell internal
Contact site；The fixed part for assisting static contact is an annular slab, which is separated into two parts ceramic shell, the two parts
Ceramic shell is respectively welded on the tow sides for being fixed on auxiliary static contact fixed part.
2. the cylinder according to claim 1 for extra-high voltage vacuum interrupter, it is characterised in that：Static side conductive capping
The electrical connection pillar of evagination is equipped at outer wall center.
3. the cylinder according to claim 2 for extra-high voltage vacuum interrupter, it is characterised in that：Two parts ceramics are outer
It is set on the opposite two side of shell there are two mounting groove, the mounting groove of two parts ceramic shell combines to form two caulking grooves, respectively
Be fixed in caulking groove one for be electrically connected assist the conductive panel of static contact and static side conductive capping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711465238.1A CN108257816A (en) | 2017-12-28 | 2017-12-28 | A kind of cylinder for extra-high voltage vacuum interrupter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711465238.1A CN108257816A (en) | 2017-12-28 | 2017-12-28 | A kind of cylinder for extra-high voltage vacuum interrupter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108257816A true CN108257816A (en) | 2018-07-06 |
Family
ID=62724589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711465238.1A Withdrawn CN108257816A (en) | 2017-12-28 | 2017-12-28 | A kind of cylinder for extra-high voltage vacuum interrupter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108257816A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113284760A (en) * | 2021-04-30 | 2021-08-20 | 西安交通大学 | Vacuum arc-extinguishing chamber with movable shielding case structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2549503A1 (en) * | 2011-07-19 | 2013-01-23 | ABB Technology AG | Vacuum interrupter with integrated double gap and single drive |
| CN207947206U (en) * | 2017-12-28 | 2018-10-09 | 毛红玲 | A kind of cylinder for extra-high voltage vacuum interrupter |
-
2017
- 2017-12-28 CN CN201711465238.1A patent/CN108257816A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2549503A1 (en) * | 2011-07-19 | 2013-01-23 | ABB Technology AG | Vacuum interrupter with integrated double gap and single drive |
| CN207947206U (en) * | 2017-12-28 | 2018-10-09 | 毛红玲 | A kind of cylinder for extra-high voltage vacuum interrupter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113284760A (en) * | 2021-04-30 | 2021-08-20 | 西安交通大学 | Vacuum arc-extinguishing chamber with movable shielding case structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180706 |
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| WW01 | Invention patent application withdrawn after publication |