CN207038422U - A kind of indoor vacuum circuit breaker - Google Patents
A kind of indoor vacuum circuit breaker Download PDFInfo
- Publication number
- CN207038422U CN207038422U CN201721051633.0U CN201721051633U CN207038422U CN 207038422 U CN207038422 U CN 207038422U CN 201721051633 U CN201721051633 U CN 201721051633U CN 207038422 U CN207038422 U CN 207038422U
- Authority
- CN
- China
- Prior art keywords
- vacuum interrupter
- circuit breaker
- hinged
- connecting terminal
- vacuum
- 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 provides a kind of indoor vacuum circuit breaker, it includes control room, fixed mount, installing plate, control room is fixed on front side of installing plate by fixed mount, display panel and operation button are provided with front side of control room, collection spool and cable concentrator are installed at the top of control room, wire in display panel connects through collection spool joint corresponding in cable concentrator, case for circuit breaker is provided with rear side of installing plate, lower connecting terminal is provided with case for circuit breaker, upper connecting terminal, lower connecting terminal, vacuum interrupter is installed between upper connecting terminal, insulator is provided with the top of upper connecting terminal, lower connecting terminal bottom is provided with connecting lever.Using after this programme it is rational in infrastructure, operability is good, resiliency is strong.
Description
Technical field
Vacuum circuit breaker technical field is the utility model is related to, refers in particular to a kind of indoor vacuum circuit breaker.
Background technology
Vacuum circuit breaker is mainly made up of vacuum interrupter, operating mechanism and support section.Its arc quenching principle is：In vacuum
In due to the mean free path of gas molecule it is very big, gas is not allowed to be also easy to produce free, and the dielectric strength of vacuum is more exhausted than air
Edge intensity wants high more.Impact velocity and impulsive force during original vacuum circuit breaker divide-shut brake is larger, contact is bounced,
There may be the deformation of contact and conducting rod, bounce-back may cause bellows to be subjected to forced vibration there may be crackle, make arc extinguishing
Room gas leakage, vacuum decline, and cause the service life of breaker drastically to decline, and switch can be caused to explode when serious.
The content of the invention
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided one kind is rational in infrastructure, operability is good, slow
The strong indoor vacuum circuit breaker of punching property.
To achieve the above object, technical scheme provided by the utility model is：A kind of indoor vacuum circuit breaker, it includes
There are control room, fixed mount, installing plate, control room is fixed on front side of installing plate by fixed mount, and display surface is provided with front side of control room
Plate and operation button, control room top, which is provided with, collects spool and cable concentrator, and the wire in display panel passes through collection spool and line concentration
Corresponding joint connection in box, installing plate rear side are provided with case for circuit breaker, lower connecting terminal, upper wiring are provided with case for circuit breaker
Terminal, vacuum interrupter is installed between lower connecting terminal, upper connecting terminal, upper connecting terminal top is provided with and vacuum interrupter
The insulator being connected, lower connecting terminal bottom are provided with the connecting lever being connected with vacuum interrupter, connecting lever and insulated tension pole one end
Be hinged, an action connecting plate wherein yoke for the insulated tension pole other end and Y shape is hinged, and action another yoke of connecting plate is hinged on peace
On the free bearing of loading board, the Article 3 yoke for acting connecting plate is hinged with operation button.
Described vacuum interrupter includes static contact, connecting shaft, moving contact, yielding rubber circle, wherein, at the top of connecting shaft
It is connected with moving contact, connecting shaft bottom is hinged after being passed down through vacuum interrupter, lower connecting terminal with connecting lever, lower connecting terminal top
Extension is set with the connecting shaft between lower limit ring and vacuum interrupter bottom and subtracted formed with lower limit ring in the connecting shaft in portion
Spring is shaken, is contradicted at the top of damping spring with vacuum interrupter bottom, damping spring bottom and lower limit ring top are inconsistent, move and touch
The contact site of head and vacuum interrupter is provided with fixing axle, worn upwards at the top of fixing axle by sylphon seal, static contact top
Cross vacuum interrupter to be connected with insulator, yielding rubber circle, yielding rubber are set with the fixing axle in vacuum extinction room
Circle top contradicts with vacuum interrupter inner cavity top, and yielding rubber circle bottom and static contact top are inconsistent.
Described true connecting lever is V-shaped, and its corner is hinged in case for circuit breaker, and a connecting lever wherein yoke is drawn with insulation
Bar one end is hinged, and another yoke is hinged with the connecting shaft in vacuum extinction room.
The utility model accesses external power supply by upper lower connecting terminal, when carrying out combined floodgate operation, by control room
Operation button closed a floodgate, the switching-on mechanism pulling action connecting plate in control room makes insulated tension pole quickly move, then connecting lever
Drive moving contact rapid closing, effective damping carried out by damping spring and yielding rubber circle in making process, so as to ensure it is quiet,
Stability of the moving contact in making process, the bellows of this programme are used as seal isolation element, two media are separated
Or prevent harmful fluids from entering the action part of equipment, prevent moving contact hit for a long time after connecting shaft and vacuum interrupter it
Between produce space, the vacuum of vacuum interrupter is effectively ensured.Using after this programme it is rational in infrastructure, operability is good, buffering
Property is strong.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is side view of the present utility model.
Fig. 3 is vacuum interrupter structural representation of the present utility model.
Embodiment
With reference to all accompanying drawings, the utility model is described in further detail, and preferred embodiment of the present utility model is：Ginseng
Accompanying drawing 1 is seen to accompanying drawing 3, a kind of indoor vacuum circuit breaker described in the present embodiment includes control room 1, fixed mount 2, installing plate 8,
Control room 1 is fixed on the front side of installing plate 8 by fixed mount 2, and the front side of control room 1 is provided with display panel 6 and operation button 7, controlled
The top of room 1, which is provided with, collects spool 3 and cable concentrator 5, and through collecting, spool 3 is corresponding in cable concentrator 5 to be connect the wire in display panel 6
Head connection, the rear side of installing plate 8 are provided with case for circuit breaker 4, lower connecting terminal 12, upper connecting terminal 19 are provided with case for circuit breaker 4,
Vacuum interrupter 11 is installed, the top of upper connecting terminal 19 is provided with goes out with vacuum between lower connecting terminal 12, upper connecting terminal 19
The insulator 10 that arc chamber 11 is connected, the bottom of lower connecting terminal 12 is provided with the connecting lever 13 being connected with vacuum interrupter 11, described
True connecting lever 13 it is V-shaped, its corner is hinged in case for circuit breaker 4, the wherein yoke of connecting lever 13 and insulated tension pole 14 1
End is be hinged, and another yoke and the connecting shaft 15 in vacuum interrupter 11 are be hinged, and the action of the other end of insulated tension pole 14 and Y shape connects
The wherein yoke of plate 9 is hinged, and action 9 another yokes of connecting plate are hinged on the free bearing of installing plate 8, and the 3rd of action connecting plate 9 the
Bar yoke is be hinged with operation button 7.
Described vacuum interrupter 11 includes static contact 16, connecting shaft 15, moving contact 17, yielding rubber circle 22, wherein,
The top of connecting shaft 15 is connected with moving contact 17, the bottom of connecting shaft 15 be passed down through after vacuum interrupter 11, lower connecting terminal 12 and
Connecting lever 13 is be hinged, and extension is formed with lower limit ring 18, lower limit ring 18 and vacuum in the connecting shaft 15 at the top of lower connecting terminal 12
Damping spring 20, the top of damping spring 20 and the bottom of vacuum interrupter 11 are set with connecting shaft 15 between the bottom of arc-chutes 11
Contradict, the bottom of damping spring 20 and the top of lower limit ring 18 are inconsistent, and the contact site of moving contact 17 and vacuum interrupter 11 leads to
Bellows 21 is crossed to seal, the top of static contact 16 is provided with fixing axle 23, the top of fixing axle 23 be upward through vacuum interrupter 11 with it is exhausted
Edge 10 is connected, and yielding rubber circle 22, the top of yielding rubber circle 22 are set with the fixing axle 23 in vacuum interrupter 11
Contradicted with the inner cavity top of vacuum interrupter 11, the bottom of yielding rubber circle 22 and the top of static contact 16 are inconsistent.
The present embodiment accesses external power supply by upper lower connecting terminal, when carrying out combined floodgate operation, by control room
Operation button is closed a floodgate, and the switching-on mechanism pulling action connecting plate in control room makes insulated tension pole quickly move, then connecting lever band
Dynamic moving contact rapid closing, effective damping is carried out by damping spring and yielding rubber circle in making process, it is quiet, dynamic so as to ensure
Stability of the contact in making process, the bellows of the present embodiment are used as seal isolation element, two media are separated
Or prevent harmful fluids from entering the action part of equipment, prevent moving contact hit for a long time after connecting shaft and vacuum interrupter it
Between produce space, the vacuum of vacuum interrupter is effectively ensured.Using after the present embodiment it is rational in infrastructure, operability is good, slow
Punching property is strong.
Embodiment described above is only the preferred embodiment of the utility model, not limits reality of the present utility model with this
Apply scope, therefore the change that all shape, principles according to the utility model are made, it all should cover in the scope of protection of the utility model
It is interior.
Claims (3)
1. a kind of indoor vacuum circuit breaker, it includes control room (1), fixed mount (2), installing plate (8), it is characterised in that：Control
Room (1) processed is fixed on front side of installing plate (8) by fixed mount (2), is provided with display panel (6) on front side of control room (1) and operation is pressed
Button (7), control room (1) top, which is provided with, collects spool (3) and cable concentrator (5), and the wire in display panel (6) passes through collection spool
(3) connected to the corresponding joint in cable concentrator (5), case for circuit breaker (4) is provided with rear side of installing plate (8), case for circuit breaker (4) is interior
Provided with lower connecting terminal (12), upper connecting terminal (19), lower connecting terminal (12), upper connecting terminal are provided with vacuum between (19)
Arc-chutes (11), upper connecting terminal (19) top are provided with the insulator (10) being connected with vacuum interrupter (11), lower terminals
Sub (12) bottom is provided with the connecting lever (13) being connected with vacuum interrupter (11), and connecting lever (13) is cut with scissors with insulated tension pole (14) one end
Connect, action connecting plate (9) wherein yoke for insulated tension pole (14) other end and Y shape is hinged, and acts connecting plate (9) another yoke
It is hinged on the free bearing of installing plate (8), the Article 3 yoke and operation button (7) of action connecting plate (9) are be hinged.
A kind of 2. indoor vacuum circuit breaker according to claim 1, it is characterised in that：Vacuum interrupter (11) includes quiet
Contact (16), connecting shaft (15), moving contact (17), yielding rubber circle (22), wherein, connecting shaft (15) top and moving contact (17)
Connection, it is be hinged with connecting lever (13) afterwards that connecting shaft (15) bottom is passed down through vacuum interrupter (11), lower connecting terminal (12), under connect
Extension is formed with lower limit ring (18), lower limit ring (18) and vacuum interrupter in connecting shaft (15) at the top of line terminals (12)
(11) damping spring (20), damping spring (20) top and vacuum interrupter (11) are set with the connecting shaft between bottom (15)
Bottom contradicts, and damping spring (20) bottom is with inconsistent at the top of lower limit ring (18), moving contact (17) and vacuum interrupter (11)
Contact site sealed by bellows (21), be provided with fixing axle (23) at the top of static contact (16), it is upward at the top of fixing axle (23)
It is connected through vacuum interrupter (11) with insulator (10), is set with and subtracts in the fixing axle (23) in vacuum interrupter (11)
Rubber ring (22) is shaken, is contradicted at the top of yielding rubber circle (22) with vacuum interrupter (11) inner cavity top, yielding rubber circle (22) bottom
Portion and static contact (16) top are inconsistent.
A kind of 3. indoor vacuum circuit breaker according to claim 1, it is characterised in that：True connecting lever (13) is V-shaped, its corner
Place is hinged in case for circuit breaker (4), and connecting lever (13) wherein yoke is hinged with insulated tension pole (14) one end, another yoke
It is be hinged with the connecting shaft (15) in vacuum interrupter (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721051633.0U CN207038422U (en) | 2017-08-22 | 2017-08-22 | A kind of indoor vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721051633.0U CN207038422U (en) | 2017-08-22 | 2017-08-22 | A kind of indoor vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207038422U true CN207038422U (en) | 2018-02-23 |
Family
ID=61488013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721051633.0U Expired - Fee Related CN207038422U (en) | 2017-08-22 | 2017-08-22 | A kind of indoor vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207038422U (en) |
-
2017
- 2017-08-22 CN CN201721051633.0U patent/CN207038422U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180223 Termination date: 20210822 |