CN108133864A - A kind of double power source vacuum arc-chutes for being capable of cushion impact forces - Google Patents
A kind of double power source vacuum arc-chutes for being capable of cushion impact forces Download PDFInfo
- Publication number
- CN108133864A CN108133864A CN201711467114.7A CN201711467114A CN108133864A CN 108133864 A CN108133864 A CN 108133864A CN 201711467114 A CN201711467114 A CN 201711467114A CN 108133864 A CN108133864 A CN 108133864A
- Authority
- CN
- China
- Prior art keywords
- power source
- weldingly fixed
- impact forces
- metal
- double power
- 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.)
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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 discloses a kind of double power source vacuum arc-chutes for being capable of cushion impact forces, including the first vacuum interrupter, the second vacuum interrupter and go out battery plate, first vacuum interrupter and the second vacuum interrupter include ceramic shell, metal end, moving contact, static contact, bellows part and metallic shield, each static contact includes motion block, quiet piece, elastic connecting pipe and support spring, and two quiet piece of the first vacuum tube and the second vacuum tube is respectively welded on the tow sides for being fixed on out battery plate.The present invention is conducive to mitigate impact force, prolongs the service life.
Description
Technical field
The invention belongs to power switchgear technical fields, and in particular to a kind of double power source vacuum for being capable of cushion impact forces
Arc-chutes.
Background technology
Vacuum interrupter is generally by dynamic and static contact, metallic shield, bold and vigorous line pipe and a sealing being made of ceramic annulus
Container forms, and mechanism action makes dynamic and static contact, separation, bellows and moving contact and the flange welding of sealing container, ensures
When moving contact axially moves, the vacuum degree in container is unaffected.Vacuum interrupter has strong breaking capacity, and electric arc is not outer
The advantages that dew, permission frequent operation, it is suitable as the electrification on-off line operation of various types of vacuum switches.
Existing vacuum interrupter product is all single supply vacuum interrupter, in dual power supply occasion in application, needing to use
Double power source vacuum breaker can be just made as dual power supply switching equipment in disconnecting switch.
Invention content
The object of the present invention is to provide one kind can buffer combined floodgate impact force, so as to non-damageable double power source vacuum arc extinguishing
Room.
Realizing the technical solution of the object of the invention is：A kind of double power source vacuum arc-chutes for being capable of cushion impact forces, including
First vacuum interrupter, the second vacuum interrupter and go out battery plate, the first vacuum interrupter and the second vacuum interrupter include pottery
Porcelain housing, metal end, moving contact, static contact, bellows part and metallic shield, each static contact include motion block, quiet piece, elasticity
The tow sides for being fixed on out battery plate are respectively welded in two quiet piece of connecting tube and support spring, the first vacuum tube and the second vacuum tube
On.
Said program is further preferably：One end of elastic connecting pipe is weldingly fixed on out the plate body of the corresponding one end of battery plate
On, the other end is weldingly fixed on the periphery wall of motion block, and quiet piece and support spring are sealed in interior vacuum so as to be enclosed one
Annular seal space；Support spring is set on quiet piece, and one end of support spring is connected to out on battery plate, and the other end of support spring is connected on motion block；From
By under state, quiet piece and motion block are strutted to form gap by support spring.
Said program is further preferably：Metal end includes being arranged on the moved end end cap and setting of moving contact one end
Static side end cap in static contact one end.
Said program is further preferably：Moved end end cap includes being weldingly fixed on the corresponding one end end face of ceramic shell
It first metal cover, the second metal cover being weldingly fixed on the first metal cover and is led for limiting the slip of moving contact glide direction
To part.
Said program is further preferably：First metal cover includes being weldingly fixed on the corresponding one end end face of ceramic shell
The weldering be welded and fixed portion, the welded connection being connected is welded and fixed with the second metal cover, being weldingly connected with bellows part one end
Connect sealing and centre bore；The centre bore is weldingly fixed on the periphery wall of sliding guide piece；The other end weldering of bellows part
It connects and is fixed on assistant metal sealing element, which is weldingly fixed on the periphery wall of moving contact.
Said program is further preferably：Second metal cover includes being weldingly fixed on the first metal cover periphery wall
Web portion and the open-work positioned at the second metal cover center；Clamping forms a weldering between second metal cover and the first metal cover
Connect cavity；Sliding guide piece includes the weld part being weldingly fixed in the welding cavity and is set on static contact periphery wall
Slip pipe portion；The wall surface of weld part and welding cavity is all weldingly connected；Moving contact reciprocatingly slides in slip pipe portion.
Said program is further preferably：One end of static side end cap is welded out on battery plate, and the other end is welded on ceramic case
Body is equipped on one end end face of static contact.
The present invention has the following advantages：(1) two vacuum interrupters are linked into an integrated entity by going out battery plate, in use, two
Two moving contacts of a vacuum interrupter connect main power source and stand-by power supply respectively, go out battery plate connection load circuit, pass through control
The switching of dual power supply is realized in the action of two moving contacts.(2) by being designed as having motion block that support spring supports and quiet by static contact
Block, so as in feed motion, have preferable buffering effect, be conducive to prolong the service life.
Description of the drawings
Fig. 1 is a kind of dimensional structure diagram of the present invention；
Fig. 2 is a kind of half section structure diagram of vacuum interrupter shown in Fig. 1.
Label is shown in attached drawing：First vacuum interrupter 1, the second vacuum interrupter 2 go out battery plate 3, ceramic shell 4, metal
End cap 5, moved end end cap 51, the first metal cover 511 are welded and fixed portion 5111, welded connection 5112, welded seal portion 5113,
Centre bore 5114, the second metal cover 512, web portion 5121, open-work 5122 weld cavity 5123, sliding guide piece 513, weldering
Socket part 5131, slip pipe portion 5132, static side end cap 52, moving contact 6, static contact 7, motion block 71, quiet piece 72, elastic connecting pipe 73, support
Spring 74, bellows part 8, metallic shield 9, assistant metal sealing element 10.
Specific embodiment
(embodiment 1)
The present embodiment is a kind of double power source vacuum arc-chutes for being capable of cushion impact forces, is seen figure 1 and figure 2, including
One vacuum interrupter 1, the second vacuum interrupter 2 and go out battery plate 3, the first vacuum interrupter and the second vacuum interrupter include pottery
Porcelain housing 4, metal end 5, moving contact 6, static contact 7, bellows part 8 and metallic shield 9.
Metal end is used to block ceramic shell both ends open；Metal end includes being arranged on the moved end end of moving contact one end
Lid 51 and the static side end cap 52 for being arranged on static contact one end.
Moved end end cap 51 includes the first metal cover 511 being weldingly fixed on the corresponding one end end face of ceramic shell, welding admittedly
The second metal cover 512 being scheduled on the first metal cover and the sliding guide piece 513 for limiting moving contact glide direction.
First metal cover 511 include be weldingly fixed on the corresponding one end end face of ceramic shell be welded and fixed portion 5111, with
Second metal cover is welded and fixed connected welded connection 5112, the welded seal portion 5113 being weldingly connected with bellows part one end
And centre bore 5114；The centre bore is weldingly fixed on the periphery wall of sliding guide piece；The other end welding of bellows part is solid
It is scheduled on assistant metal sealing element 10, which is weldingly fixed on the periphery wall of moving contact.
Second metal cover includes for the web portion 5121 that is weldingly fixed on the first metal cover periphery wall and positioned at the
The open-work 5122 in two metal covers center；Clamping forms a welding cavity 5123 between second metal cover and the first metal cover；
Sliding guide piece includes the weld part 5131 being weldingly fixed in the welding cavity and is set in static contact periphery
Slip pipe portion 5132 on wall；The wall surface of weld part and welding cavity is all weldingly connected, so as to obtain enough support strengths；It is dynamic
Contact reciprocatingly slides in slip pipe portion.
Each static contact 7 includes motion block 71, quiet piece 72, elastic connecting pipe 73 and support spring 74.
The tow sides for being fixed on out battery plate are respectively welded in two quiet piece of first vacuum interrupter and the second vacuum switch
On.
One end of elastic connecting pipe is weldingly fixed on out on the plate body of the corresponding one end of battery plate, and the other end is weldingly fixed on motion block
Periphery wall on, quiet piece and support spring are sealed in interior vacuum-sealed cavity so as to be enclosed one.Preferable scheme is that：Elasticity
Connecting tube selects insulation tube to be made.
Support spring is set on quiet piece, and one end of support spring is connected to out on battery plate, and the other end of support spring is connected on motion block.From
By under state, quiet piece and motion block are strutted to form gap by support spring.
One end of static side end cap is welded out on battery plate, and the other end is welded on one end end face that ceramic shell is equipped with static contact
On.
The present embodiment has the following advantages：(1) two vacuum interrupters are linked into an integrated entity by going out battery plate, in use,
Two moving contacts of two vacuum interrupters connect main power source and stand-by power supply respectively, go out battery plate connection load circuit, pass through control
The action of two moving contacts is made, realizes the switching of dual power supply.(2) by by static contact be designed as having motion block that support spring supports and
Quiet piece, so as in feed motion, have preferable buffering effect, be conducive to prolong the service life.
The undocumented technology of this specification is known technology, therefore is no longer described in detail.
Claims (7)
1. a kind of double power source vacuum arc-chutes for being capable of cushion impact forces, it is characterised in that：Including the first vacuum interrupter, second
Vacuum interrupter includes ceramic shell, metal end, moves and touch with battery plate, the first vacuum interrupter and the second vacuum interrupter is gone out
Head, static contact, bellows part and metallic shield, each static contact include motion block, quiet piece, elastic connecting pipe and support spring, and first is true
Two quiet piece of blank pipe and the second vacuum tube is respectively welded on the tow sides for being fixed on out battery plate.
2. the double power source vacuum arc-chutes according to claim 1 for being capable of cushion impact forces, it is characterised in that：Elastic connection
One end of pipe is weldingly fixed on out on the plate body of the corresponding one end of battery plate, and the other end is weldingly fixed on the periphery wall of motion block, so as to
It is enclosed one and quiet piece and support spring is sealed in interior vacuum-sealed cavity；Support spring is set on quiet piece, and one end of support spring abuts
On battery plate is gone out, the other end of support spring is connected on motion block；Under free state, quiet piece and motion block are strutted to form gap by support spring.
3. the double power source vacuum arc-chutes according to claim 2 for being capable of cushion impact forces, it is characterised in that：Metal end
Including the moved end end cap for being arranged on moving contact one end and the static side end cap for being arranged on static contact one end.
4. the double power source vacuum arc-chutes according to claim 3 for being capable of cushion impact forces, it is characterised in that：Moved end end cap
Including be weldingly fixed on the corresponding one end end face of ceramic shell the first metal cover, be weldingly fixed on the first metal cover second
Metal cover and the sliding guide piece for limiting moving contact glide direction.
5. the double power source vacuum arc-chutes according to claim 4 for being capable of cushion impact forces, it is characterised in that：First metal
Lid includes being weldingly fixed on being welded and fixed portion, being welded and fixed what is be connected with the second metal cover on the corresponding one end end face of ceramic shell
Welded connection, the welded seal portion being weldingly connected with bellows part one end and centre bore；The centre bore is weldingly fixed on cunning
On the periphery wall of lower moving guide；The other end of bellows part is weldingly fixed on assistant metal sealing element, assistant metal sealing
Part is weldingly fixed on the periphery wall of moving contact.
6. the double power source vacuum arc-chutes according to claim 5 for being capable of cushion impact forces, it is characterised in that：Second metal
Lid includes the web portion for being weldingly fixed on the first metal cover periphery wall and the open-work positioned at the second metal cover center；The
Clamping forms a welding cavity between two metal covers and the first metal cover；Sliding guide piece includes being weldingly fixed on the welding
Weld part in cavity and the slip pipe portion being set on static contact periphery wall；The wall surface of weld part and welding cavity all welds phase
Even；Moving contact reciprocatingly slides in slip pipe portion.
7. the double power source vacuum arc-chutes according to claim 6 for being capable of cushion impact forces, it is characterised in that：Static side end cap
One end weld out on battery plate, the other end be welded on ceramic shell equipped with static contact one end end face on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711467114.7A CN108133864A (en) | 2017-12-28 | 2017-12-28 | A kind of double power source vacuum arc-chutes for being capable of cushion impact forces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711467114.7A CN108133864A (en) | 2017-12-28 | 2017-12-28 | A kind of double power source vacuum arc-chutes for being capable of cushion impact forces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108133864A true CN108133864A (en) | 2018-06-08 |
Family
ID=62393934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711467114.7A Withdrawn CN108133864A (en) | 2017-12-28 | 2017-12-28 | A kind of double power source vacuum arc-chutes for being capable of cushion impact forces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108133864A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508767A (en) * | 2020-05-21 | 2020-08-07 | 广东电网有限责任公司电力科学研究院 | Vacuum arc extinguish chamber and pole-mounted vacuum switch |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102044375A (en) * | 2010-12-15 | 2011-05-04 | 北京京东方真空电器有限责任公司 | Vacuum switch tube |
| CN203588921U (en) * | 2013-11-28 | 2014-05-07 | 景德镇万鹏电子有限公司 | Rapid less-bounce vacuum arc-extinguishing chamber |
| CN207947213U (en) * | 2017-12-28 | 2018-10-09 | 毛红玲 | A kind of double power source vacuum arc-chutes for capableing of cushion impact forces |
-
2017
- 2017-12-28 CN CN201711467114.7A patent/CN108133864A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102044375A (en) * | 2010-12-15 | 2011-05-04 | 北京京东方真空电器有限责任公司 | Vacuum switch tube |
| CN203588921U (en) * | 2013-11-28 | 2014-05-07 | 景德镇万鹏电子有限公司 | Rapid less-bounce vacuum arc-extinguishing chamber |
| CN207947213U (en) * | 2017-12-28 | 2018-10-09 | 毛红玲 | A kind of double power source vacuum arc-chutes for capableing of cushion impact forces |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111508767A (en) * | 2020-05-21 | 2020-08-07 | 广东电网有限责任公司电力科学研究院 | Vacuum arc extinguish chamber and pole-mounted vacuum switch |
| CN111508767B (en) * | 2020-05-21 | 2022-06-10 | 广东电网有限责任公司电力科学研究院 | Vacuum arc extinguish chamber and pole-mounted vacuum switch |
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|---|---|---|---|
| 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: 20180608 |
|
| WW01 | Invention patent application withdrawn after publication |