CN208738121U - A kind of novel vacuum circuit breaker - Google Patents
A kind of novel vacuum circuit breaker Download PDFInfo
- Publication number
- CN208738121U CN208738121U CN201820692536.8U CN201820692536U CN208738121U CN 208738121 U CN208738121 U CN 208738121U CN 201820692536 U CN201820692536 U CN 201820692536U CN 208738121 U CN208738121 U CN 208738121U
- Authority
- CN
- China
- Prior art keywords
- bellows
- conductive rod
- vacuum
- circuit breaker
- cabinet
- 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
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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model discloses a kind of novel vacuum circuit breakers, including cabinet, conduit, mounting bracket, binding post, moving conductive rod, bellows, dynamic cover board, bellows shield cover, contact, shielding cylinder, static conductive rod, quiet cover board, U-shaped shield and vacuum interrupter, the cabinet front is provided with conduit, mounting bracket is provided on rear side of the cabinet, binding post is provided with after the mounting bracket, vacuum interrupter is provided in the cabinet, moving conductive rod is provided in the vacuum extinction room, the moving conductive rod lower end is provided with bellows, dynamic cover board is provided on the outside of the bellows, the bellows lower end is provided with bellows barrier cover, this kind of novel vacuum circuit breaker uses inverted u-shaped shield, prevent dust, influence of the running environment such as weather to the new storage of vacuum, insulation is effectively inhibited to generate showing for aging As reducing vacuum circuit breaker failure rate, improving the service life of equipment.
Description
Technical field
The utility model relates to a kind of breaker, specially a kind of novel vacuum circuit breaker.
Background technique
Breaker has the function of overload, short circuit and low-voltage protection, there is the ability of protection circuit and power supply." vacuum circuit breaker
The dielectric of device " contact gap after its arc-extinguishing medium and arc extinguishing is gained the name due to being all high vacuum；It is with small in size, weight
Gently, it is suitable for the advantages of frequent operation, arc extinguishing are without maintenance, using more universal in power distribution network.
It will appear current chopping phenomenon when cut-offfing perceptual low current and cause higher overvoltage, and in some cases
High-frequency current is cut-off, overvoltage can be also generated, and cost is high, is fitted without shield, be easy by dust and the shadow of weather
It rings.
Utility model content
The purpose of this utility model is to provide a kind of novel vacuum circuit breakers, mentioned above in the background art to solve
Problem.
To achieve the above object, the utility model provides the following technical solutions a kind of novel vacuum circuit breaker, including cabinet,
Conduit, mounting bracket, binding post, moving conductive rod, bellows, dynamic cover board, bellows shield cover, contact, shielding cylinder, quiet conduction
Bar, quiet cover board, U-shaped shield and vacuum interrupter, the cabinet front are provided with conduit, are provided with peace on rear side of the cabinet
Bracket is filled, is provided with binding post after the mounting bracket, is provided with vacuum interrupter in the cabinet, in the vacuum extinction room
It is provided with moving conductive rod, the moving conductive rod lower end is provided with bellows, is provided with dynamic cover board, the wave on the outside of the bellows
Line pipe lower end is provided with bellows shield cover.
Further, the vacuum interrupter upper end is provided with U-shaped shield, it is therefore prevented that the running environment such as dust, weather
Influence to vacuum interrupter.
Further, bellows shield cover lower end is provided with contact, and high pressure is generated between contact.
Further, the contact periphery is provided with shielding cylinder, and contact lower end is provided with static conductive rod.
Further, the static conductive rod lower end is provided with quiet cover board.
Compared with prior art, the utility model has the beneficial effects that this kind of novel vacuum circuit breaker is solid using silicon rubber
The vacuum extinction outdoor of sealed pole fills normal pressure nitrogen in lower posts insulator, without using six sulfur oxides, avoids environment dirt
Dye, and the filled insulating gas of lower pole is normal pressure, leakage contribution is small, and operational reliability is high.In addition, by using side-installed vacuum
Breaker effectively reduces the width of switch cabinet, reduces occupied area, and save the cost realizes wanting for controller switching equipment miniaturization
It asks, using inverted u-shaped shield, it is therefore prevented that influence of the running environment such as dust, weather to vacuum circuit breaker effectively inhibits production
Raw aging phenomenon, reduces vacuum circuit breaker failure rate, improves the service life of equipment.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is vacuum interrupter structural schematic diagram；
Fig. 3 is U-shaped protective roof structure schematic diagram.
In figure: the dynamic lid of 1- cabinet, 2- conduit, 3- mounting bracket, 4- binding post, 5- moving conductive rod, 6- bellows, 7-
Plate, 8- bellows shield cover, 9- contact, 10- shielding cylinder, 11- static conductive rod, the quiet cover board of 12-, 13-U type shield, 14- are true
Empty arc-chutes.
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.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Please refer to Fig. 1-3, the utility model provides a kind of technical solution: a kind of novel vacuum circuit breaker is novel including one kind
Vacuum circuit breaker, including cabinet 1, conduit 2, mounting bracket 3, binding post 4, moving conductive rod 5, bellows 6, dynamic cover board 7, ripple
Tube shield cover 8, contact 9, shielding cylinder 10, static conductive rod 11, quiet cover board 12, U-shaped shield 13 and vacuum interrupter 14, it is described
It is provided with conduit 2 on front side of cabinet 1, mounting bracket 3 is provided on rear side of the cabinet 1, is provided with wiring after the mounting bracket 3
Column 4 is provided with vacuum interrupter 14 in the cabinet 1, is provided with moving conductive rod 5 in the vacuum interrupter 14, described dynamic to lead
5 lower end of electric pole is provided with bellows 6, and dynamic cover board 7 is provided on the outside of the bellows 6, and 6 lower end of bellows is provided with ripple
Tube shield cover 8,14 upper end of vacuum interrupter are provided with U-shaped shield 13, it is therefore prevented that the running environment such as dust, weather are to true
The influence of empty arc-chutes 14,8 lower end of bellows shield cover are provided with contact 9, and high pressure, the contact 9 are generated between contact
Periphery is provided with shielding cylinder 10, and 9 lower end of contact is provided with static conductive rod 11, and 11 lower end of static conductive rod is provided with quiet cover board
12。
Working principle: vacuum interrupter 14 is using high vacuum operational insulation arc-extinguishing medium, by sealing one in a vacuum
A kind of electron tube of the on-off function of power circuit is realized to contact 9.When it disconnects the electric current of certain numerical value, sound
Contact 9 in isolated moment, current constriction to contact 9 just separated a little on, there is resistance between electrode and acutely increase and temperature
It improves rapidly, until the evaporation of electrode metal occurs, is formed simultaneously high electric field strength, leads to extremely strong strong transmitting and gap
Breakdown generates vacuum arc, when power current is close to zero, while be also contact 9 open away from increase, the plasma of vacuum arc
Body is spread around quickly, and after arc current zero passage, the medium in 9 gap of contact becomes insulator from electric conductor rapidly, then electric
Stream is broken, using inverted u-shaped shield 13, it is therefore prevented that influence of the running environment such as dust, weather to vacuum circuit breaker, effectively
Generation aging phenomenon is inhibited, vacuum circuit breaker failure rate is reduced.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein, and should not treat any reference in the claims as limiting
Related claim.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (4)
1. a kind of novel vacuum circuit breaker, it is characterised in that: including cabinet (1), conduit (2), mounting bracket (3), binding post
(4), moving conductive rod (5), bellows (6), dynamic cover board (7), bellows shield cover (8), contact (9), shielding cylinder (10), quiet conduction
Bar (11), quiet cover board (12), U-shaped shield (13) and vacuum interrupter (14), cabinet (1) front side are provided with conduit
(2), it is provided with mounting bracket (3) on rear side of the cabinet (1), is provided with binding post (4), the case after the mounting bracket (3)
It is provided with vacuum interrupter (14) in body (1), is provided with moving conductive rod (5), the moving conductive in the vacuum interrupter (14)
Bar (5) lower end is provided with bellows (6), is provided with dynamic cover board (7) on the outside of the bellows (6), bellows (6) lower end is set
It is equipped with bellows shield cover (8).
2. a kind of novel vacuum circuit breaker according to claim 1, it is characterised in that: vacuum interrupter (14) upper end
It is provided with U-shaped shield (13).
3. a kind of novel vacuum circuit breaker according to claim 1, it is characterised in that: under the bellows shield cover (8)
End is provided with contact (9), and contact (9) periphery is provided with shielding cylinder (10), and contact (9) lower end is provided with static conductive rod
(11)。
4. a kind of novel vacuum circuit breaker according to claim 3, it is characterised in that: static conductive rod (11) lower end is set
It is equipped with quiet cover board (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820692536.8U CN208738121U (en) | 2018-05-10 | 2018-05-10 | A kind of novel vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820692536.8U CN208738121U (en) | 2018-05-10 | 2018-05-10 | A kind of novel vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208738121U true CN208738121U (en) | 2019-04-12 |
Family
ID=66024367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820692536.8U Expired - Fee Related CN208738121U (en) | 2018-05-10 | 2018-05-10 | A kind of novel vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208738121U (en) |
-
2018
- 2018-05-10 CN CN201820692536.8U patent/CN208738121U/en not_active Expired - Fee Related
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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: 20190412 Termination date: 20210510 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |