CN208690168U - A kind of ceramic vacuum switch pipe - Google Patents
A kind of ceramic vacuum switch pipe Download PDFInfo
- Publication number
- CN208690168U CN208690168U CN201821504153.XU CN201821504153U CN208690168U CN 208690168 U CN208690168 U CN 208690168U CN 201821504153 U CN201821504153 U CN 201821504153U CN 208690168 U CN208690168 U CN 208690168U
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- Prior art keywords
- annular
- fixedly connected
- conductive rod
- bellows
- contact
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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model discloses a kind of ceramic vacuum switch pipes, including ripple ceramic shell, the ripple ceramic shell upper and lower ends are sealedly and fixedly connected and have insulated enclosure lid, moving contact and static contact are equipped in the ripple ceramic shell, the one end of the static conductive rod far from static contact is through insulated enclosure lid and is fixedly connected with static side conducting block, the static side conducting block is fixedly connected with insulated enclosure lid, the shielding cylinder upper end is fixedly connected with insulated enclosure lid, bellows is arranged on the moving conductive rod, the moving conductive rod is equipped with the protection mechanism to bellows, described bellows one end is fixedly connected with insulated enclosure lid, and the bellows other end is slidably connected by mobile mechanism and shielding cylinder.The utility model is structurally reasonable, can play a protective role to bellows, extends the service life of bellows, and can increase the leakproofness of shielding cylinder, and avoiding the metallic vapour generated and droplets from leaking out influences ripple ceramic shell and bellows.
Description
Technical field
The utility model relates to vacuum switch tube technical field more particularly to a kind of ceramic vacuum switch pipes.
Background technique
Vacuum interrupter also known as vacuum switch tube are the core components of mesohigh power switch, and main function is to lead to
Crossing the excellent insulating properties of vacuum in managing makes after mesohigh circuitry cuts power supply blow-out and to inhibit electric current rapidly, avoids accident and meaning
Outer generation is mainly used in the transmission & distribution electric control system of electric power, is also applied to metallurgy, mine, petroleum, chemical industry, railway, wide
It broadcasts, communicate, the distribution systems such as industrial high-frequency heating.
The bellows of vacuum interrupter, which is mainly undertaken, guarantees that moving electrode moves in a certain range and keep for a long time high vacuum
Function, and guarantee vacuum interrupter have very high mechanical life.Existing bellows is directly contacted with moving conductive rod, vacuum
After the big short circuit current of disjunction, the waste heat of moving conductive rod is transmitted on bellows arc-chutes, increases the temperature of bellows, when
When temperature rise reaches a certain level, this just will affect the fatigue strength of bellows.Existing shielding cylinder leakproofness is poor simultaneously, contact
A large amount of metallic vapour and droplets are generated during arcing, are easy to leak out, are polluted the inner wall of insulation crust, cause vacuum
The dielectric strength of arc extinguishing chamber enclosure declines or generates flashover, can also pollute bellows, influence the fatigue strength of bellows.
For this purpose, it is proposed that a kind ceramic vacuum switch pipe solves the above problems.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of ceramic vacuum proposed is opened
Guan Guan.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of ceramic vacuum switch pipe, including ripple ceramic shell, the ripple ceramic shell upper and lower ends seal solid
Surely it is connected with insulated enclosure lid, moving contact and static contact are equipped in the ripple ceramic shell, the static contact setting is in dynamic touching
Head upside, the static contact are fixedly connected with static conductive rod far from one end of moving contact, and the static conductive rod is far from static contact
One end is through insulated enclosure lid and is fixedly connected with static side conducting block, and the static side conducting block is fixedly connected with insulated enclosure lid,
The moving contact is fixedly connected with moving conductive rod far from one end of static contact, and the moving conductive rod runs through far from one end of moving contact
Insulated enclosure lid simultaneously extends to outside, and shielding cylinder, the shielding cylinder upper end and insulation are arranged with outside the moving contact and static contact
Sealing cover is fixedly connected, and bellows is arranged on the moving conductive rod, and the moving conductive rod is equipped with the protection machine to bellows
Structure, described bellows one end are fixedly connected with insulated enclosure lid, and the bellows other end is slided by mobile mechanism and shielding cylinder
Connection.
Preferably, the protection mechanism includes the annular slotted being arranged on moving conductive rod side wall, in the annular slotted
Equipped with annular insulating piece, the annular insulating piece is fixedly connected with moving conductive rod, and annular heat block is equipped in the annular slotted,
The annular heat block fixation is set on annular insulating piece.
Preferably, the mobile mechanism includes the annular fixed block being arranged in shielding cylinder, and the annular fixed block is fixed
It is set on moving conductive rod, the annular fixed block is slidably connected with shielding cylinder sealing, and annular limit is arranged on the bellows
Position block, the ring limit block are fixedly connected with shielding cylinder, and the ring limit block is equipped with ring close to one end of annular fixed block
Connected in star, the annular groove is interior to be equipped with ring slider, and it is outer and solid with annular that the ring slider upper end extends to annular groove
Determine block to be fixedly connected.
Preferably, the moving contact and static contact are cup-shaped.
Preferably, the moving contact and static contact are all made of copper chromium material.
Preferably, the junction of the insulated enclosure lid and ripple ceramic shell carries out edge sealing processing using sheet metal.
Compared with prior art, the utility model has the following beneficial effects:
1, by the way that annular slotted is arranged on moving conductive rod, annular slotted is interior to be equipped with annular insulating piece and annular heat block,
So as to avoid vacuum interrupter after the big short circuit current of disjunction, the waste heat of moving conductive rod, which is transmitted on bellows, makes ripple
The temperature of pipe increases, and then avoids influencing the fatigue strength of bellows, so that the service life of global switch pipe increases.
2, it is arranged annular fixed block by fixed on moving conductive rod, ring limit block, ring is fixedly connected in shielding cylinder
Shape limited block is equipped with annular groove, is equipped with ring slider in annular groove, ring slider one end extend to annular groove it is outer and with
Annular fixed block is fixedly connected, and under the premise of not influencing moving conductive rod movement, is sealed to shielding cylinder, so that contact is firing
Generating a large amount of metallic vapour and drop during arc can not leak out, and avoid metallic vapour and drop to ceramic shell and ripple
Pipe impacts.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of ceramic vacuum switch pipe structural schematic diagram；
Fig. 2 be the utility model proposes a kind of ceramic vacuum switch pipe external structure schematic diagram；
Fig. 3 is the structural schematic diagram in Fig. 1 at A.
In figure: 1 ripple ceramic shell, 2 insulated enclosure lids, 3 moving contacts, 4 static contacts, 5 static conductive rods, 6 static side conducting blocks,
7 moving conductive rods, 8 shielding cylinders, 9 bellowss, 10 protection mechanisms, 11 mobile mechanisms, 12 annular insulating pieces, 13 annular heat blocks, 14
Ring limit block, 15 ring sliders, 16 annular fixed blocks.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of ceramic vacuum switch pipe, including ripple ceramic shell 1 are outside airtight insulation made of ceramics
Shell, 1 upper and lower ends of ripple ceramic shell, which are sealedly and fixedly connected, insulated enclosure lid 2, insulated enclosure lid 2 and ripple ceramic shell
1 junction carries out edge sealing processing using sheet metal, to increase air-tightness, ripple ceramic shell 1 is interior equipped with moving contact 3 and quiet
Contact 4, moving contact 3 and static contact 4 are cup-shaped, and moving contact 3 and static contact 4 are all made of copper chromium material, so that power-off effect is more
Good, the service life is longer, and in 3 upside of moving contact, static contact 4 is fixedly connected with quiet the setting of static contact 4 far from one end of moving contact 3
Conducting rod 5, the one end of static conductive rod 5 far from static contact 4 is through insulated enclosure lid 2 and is fixedly connected with static side conducting block 6, static side
Conducting block 6 is fixedly connected with insulated enclosure lid 2.
Moving contact 3 is fixedly connected with moving conductive rod 7 far from one end of static contact 4, moving conductive rod 7 far from moving contact 3 one
End is through insulated enclosure lid 2 and extends to outside, and moving conductive rod 7 can be moved, and drives moving contact 3 mobile, plays power-off
Shielding cylinder 8 is arranged with outside effect, moving contact 3 and static contact 4, shielding cylinder 8 prevents contact from generating a large amount of gold during arcing
Belong to steam and droplets, pollute the inner wall of insulation crust, avoid the dielectric strength decline of vacuum extinction chamber enclosure or produces
Raw flashover, 8 upper end of shielding cylinder are fixedly connected with insulated enclosure lid 2, and bellows 9, ripple, 9 main loads are arranged on moving conductive rod 7
It is negative to guarantee that moving contact 3 moves in a certain range and keeps the function of high vacuum for a long time, and it is very high to guarantee that vacuum switch tube has
Mechanical life.
Moving conductive rod 7 is equipped with the protection mechanism 10 to bellows 9, and protection mechanism 10 includes being arranged in 7 side of moving conductive rod
Annular slotted on wall, annular slotted is interior to be equipped with annular insulating piece 12, and annular insulating piece 12 is fixedly connected with moving conductive rod 7, is risen
To insulation effect, bellows 9 is avoided to be influenced by electric current, annular heat block 13 is equipped in annular slotted, annular heat block 13 is solid
Surely it is set on annular insulating piece 12, plays heat-blocking action, avoid vacuum interrupter after the big short circuit current of disjunction, moving conductive
The waste heat of bar 7 is transmitted on bellows 9, so that the temperature of bellows 9 be avoided to increase, avoids the fatigue strength for influencing bellows 9,
9 one end of bellows is fixedly connected with insulated enclosure lid 2, and 9 other end of bellows is connected by mobile mechanism 11 and the sliding of shielding cylinder 8
It connects, mobile mechanism 11 includes the annular fixed block 16 being arranged in shielding cylinder 8, and the annular fixation of fixed block 16 is set in moving conductive rod
On 7, annular fixed block 16 is slidably connected with the sealing of shielding cylinder 8, and ring limit block 14, ring limit block are arranged on bellows 9
14 are fixedly connected with shielding cylinder 8, and ring limit block 14 is equipped with annular groove close to one end of annular fixed block 16, in annular groove
Equipped with ring slider 15,15 upper end of ring slider extends to outside annular groove and is fixedly connected with annular fixed block 16, does not influence
In the case that moving conductive rod 7 is mobile, shielding cylinder 8 is sealed.
It is mobile by moving conductive rod 7 when using ceramic vacuum switch pipe in the utility model so that moving contact 3 with it is quiet
Contact 4 separates, to turn off electric current, electric arc generates calcination at this time, and heat transfer is covered on moving conductive rod 7 to moving conductive rod 7
Equipped with bellows 9, moving conductive rod 7 is equipped with annular slotted corresponding with 9 position of bellows, the annular insulating piece in annular slotted
12 and annular heat block 13 bellows 9 can be protected, while 7 fixing sleeve of moving conductive rod is equipped with annular fixed block 16, ring
Shape fixed block 16 is slidably connected with the sealing of shielding cylinder 8, and annular fixed block 16 can slide in shielding cylinder 8, be arranged on bellows 9
There is ring limit block 14, ring limit block 14 is fixedly connected with shielding cylinder 8, and the one of the close annular fixed block 16 of ring limit block 14
End is equipped with annular groove, and ring slider 15 is equipped in annular groove, and 15 upper end of ring slider is fixedly connected with annular fixed block 16,
To be sealed to shielding cylinder 8.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of ceramic vacuum switch pipe, including ripple ceramic shell (1), it is characterised in that: on the ripple ceramic shell (1)
Lower both ends, which are sealedly and fixedly connected, to be had insulated enclosure lid (2), and moving contact (3) and stationary contact are equipped in the ripple ceramic shell (1)
Head (4), on the upside of moving contact (3), the one end of the static contact (4) far from moving contact (3) is fixed to be connected for static contact (4) setting
It is connected to static conductive rod (5), the one end of the static conductive rod (5) far from static contact (4) is through insulated enclosure lid (2) and is fixedly connected
Have static side conducting block (6), the static side conducting block (6) is fixedly connected with insulated enclosure lid (2), and the moving contact (3) is far from quiet
One end of contact (4) is fixedly connected with moving conductive rod (7), and the one end of the moving conductive rod (7) far from moving contact (3) is through insulation
Sealing cover (2) simultaneously extends to outside, is arranged with shielding cylinder (8) outside the moving contact (3) and static contact (4), the shielding cylinder (8)
Upper end is fixedly connected with insulated enclosure lid (2), is arranged with bellows (9) on the moving conductive rod (7), the moving conductive rod (7)
It is equipped with the protection mechanism (10) to bellows (9), described bellows (9) one end is fixedly connected with insulated enclosure lid (2), and wave
Line pipe (9) other end is slidably connected by mobile mechanism (11) with shielding cylinder (8).
2. a kind of ceramic vacuum switch pipe according to claim 1, which is characterized in that the protection mechanism (10) includes setting
The annular slotted on moving conductive rod (7) side wall is set, is equipped with annular insulating piece (12) in the annular slotted, the annular insulation
Block (12) is fixedly connected with moving conductive rod (7), is equipped with annular heat block (13) in the annular slotted, the annular heat block
(13) fixation is set on annular insulating piece (12).
3. a kind of ceramic vacuum switch pipe according to claim 1, which is characterized in that the mobile mechanism (11) includes setting
The annular fixed block (16) in shielding cylinder (8) is set, annular fixed block (16) fixation is set on moving conductive rod (7), institute
It states annular fixed block (16) to be slidably connected with shielding cylinder (8) sealing, is arranged with ring limit block (14) on the bellows (9),
The ring limit block (14) is fixedly connected with shielding cylinder (8), and the ring limit block (14) is close to annular fixed block (16)
One end is equipped with annular groove, is equipped with ring slider (15) in the annular groove, ring slider (15) upper end extends to ring
Connected in star is outer and is fixedly connected with annular fixed block (16).
4. a kind of ceramic vacuum switch pipe according to claim 1, which is characterized in that the moving contact (3) and static contact
It (4) is cup-shaped.
5. a kind of ceramic vacuum switch pipe according to claim 1, which is characterized in that the moving contact (3) and static contact
(4) it is all made of copper chromium material.
6. a kind of ceramic vacuum switch pipe according to claim 1, which is characterized in that the insulated enclosure lid (2) and wave
The junction of line ceramic shell (1) carries out edge sealing processing using sheet metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821504153.XU CN208690168U (en) | 2018-09-14 | 2018-09-14 | A kind of ceramic vacuum switch pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821504153.XU CN208690168U (en) | 2018-09-14 | 2018-09-14 | A kind of ceramic vacuum switch pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208690168U true CN208690168U (en) | 2019-04-02 |
Family
ID=65889211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821504153.XU Expired - Fee Related CN208690168U (en) | 2018-09-14 | 2018-09-14 | A kind of ceramic vacuum switch pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208690168U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112687497A (en) * | 2020-12-15 | 2021-04-20 | 安徽凯民电力技术有限公司 | Monostable switch |
| CN113363109A (en) * | 2021-05-20 | 2021-09-07 | 谭钦 | Intelligent high-voltage vacuum circuit breaker |
-
2018
- 2018-09-14 CN CN201821504153.XU patent/CN208690168U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112687497A (en) * | 2020-12-15 | 2021-04-20 | 安徽凯民电力技术有限公司 | Monostable switch |
| CN112687497B (en) * | 2020-12-15 | 2023-05-26 | 安徽凯民电力技术有限公司 | Monostable switch |
| CN113363109A (en) * | 2021-05-20 | 2021-09-07 | 谭钦 | Intelligent high-voltage vacuum circuit breaker |
| CN113363109B (en) * | 2021-05-20 | 2023-01-20 | 广东省顺德开关厂有限公司 | Intelligent high-voltage vacuum circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190402 Termination date: 20200914 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |