CN206490019U - A kind of vacuum circuit breaker - Google Patents
A kind of vacuum circuit breaker Download PDFInfo
- Publication number
- CN206490019U CN206490019U CN201720195465.6U CN201720195465U CN206490019U CN 206490019 U CN206490019 U CN 206490019U CN 201720195465 U CN201720195465 U CN 201720195465U CN 206490019 U CN206490019 U CN 206490019U
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- China
- Prior art keywords
- circuit breaker
- cabinet
- vacuum circuit
- connecting rod
- poles
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Links
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 239000012212 insulator Substances 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 15
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000004880 explosion Methods 0.000 abstract description 3
- 230000033001 locomotion Effects 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses a kind of vacuum circuit breaker, including cabinet, operating mechanism, three poles and three transmission mechanisms corresponding with three poles, three poles are transversely mounted on cabinet side by side；Transmission mechanism includes first connecting rod, second connecting rod and the take-off lever being sequentially connected, and take-off lever is connected with the operation insulator of pole；Operating mechanism includes energy-stored spring, roller, third connecting rod, main shaft connecting lever and main shaft, and first connecting rod is connected with main shaft.Vacuum circuit breaker is overall into unification by pole and operating mechanism lateral arrangement, it is laid out using monoblock type, the operating characteristics and performance needed for arc-chutes folding of operating mechanism can be made more identical, reduce unnecessary intermediate transmission link, energy consumption and noise are reduced, makes the operating characteristics of vacuum circuit breaker more reliable.Vacuum circuit breaker have long lifespan, safeguard it is simple, pollution-free, without explosion danger, low noise advantages, it is adaptable to frequent operation, the yard of rigorous service condition.
Description
Technical field
The utility model is related to breaker technical field, relates in particular to a kind of vacuum circuit breaker.
Background technology
Vacuum circuit breaker is gained the name because the dielectric of contact gap after its arc-extinguishing medium and arc extinguishing is all high vacuum, and it has
Have the advantages that small volume, it is lightweight, suitable for frequent operation, arc extinguishing without maintenance, using more popularizing in power distribution network.Especially
Field of employment suitable for requiring non-oil ultra high vacuum system, few maintenance and frequent operation, is configurable in hands injured, fixed cabinet and ring main unit and makees
To control and protecting high voltage electric equipment to use.At present, the vacuum circuit breaker appearance and size of domestic main flow is the cabinet for adapting to switch cubicle
Wide size requirement, meets the interchangeability of different model, apparent size generally maintains consistent, while to meet national standard to electricity consumption
The requirement of safe distance, such as 12kV hierarchically secures distance are 125mm, and universally recognized three-phase lateral arrangement breaker is on the market
Positive-installed breaker width is theoretical should be not less than numerical value of the three-phase safe distance plus three sections of copper bar width, along with external shell
Framework, the limitation such as interlocking, 12kV vacuum circuit breaker width is general in 600mm or so.
The content of the invention
The purpose of this utility model is to provide a kind of vacuum circuit breaker, to solve the conjunction that existing vacuum circuit breaker is present
The problem of lock operating difficulties.
Therefore, the utility model provide a kind of vacuum circuit breaker, including cabinet, operating mechanism, three poles and
Three transmission mechanisms corresponding with three poles, three poles are transversely mounted on the cabinet side by side, institute
State transmission mechanism to be arranged in the cabinet, the transmission mechanism includes the first connecting rod, second connecting rod, the 3rd company being sequentially connected
Bar and take-off lever, the take-off lever are connected with the operation insulator of the pole；The operating mechanism is arranged on the machine
In case, the operating mechanism includes energy-stored spring, roller, third connecting rod and main shaft, described the first of three transmission mechanisms
Connecting rod is connected with the main shaft；The cabinet is provided with installing plate, and the pole is arranged on institute by the installing plate
State on cabinet, the installing plate, which is provided with annular groove, the annular groove, is provided with sealing ring；The cabinet is provided with and supplies institute
The through hole that output shaft passes through is stated, oil seal sealing ring is provided between the through hole and the output shaft.
Compared with prior art, advantage of the present utility model and good effect are：The utility model discloses a kind of vacuum
Breaker, including cabinet, operating mechanism, three poles and three transmission mechanisms corresponding with three poles, three
Pole is transversely mounted on cabinet side by side；Transmission mechanism includes first connecting rod, second connecting rod and the take-off lever being sequentially connected,
Take-off lever is connected with the operation insulator of pole；Operating mechanism includes energy-stored spring, roller, third connecting rod, main shaft connecting lever
And main shaft, first connecting rod is connected with main shaft.Vacuum circuit breaker is overall into unification by pole and operating mechanism lateral arrangement,
It is laid out using monoblock type, the operating characteristics of operating mechanism can be made more identical with performance needed for arc-chutes folding, reduction need not
The intermediate transmission link wanted, reduces energy consumption and noise, makes the operating characteristics of vacuum circuit breaker more reliable.Vacuum circuit breaker utensil
Have long lifespan, safeguard it is simple, pollution-free, without explosion danger, low noise advantages, it is adaptable to frequent operation, rigorous service condition
Yard.The combined floodgate motion mode of vacuum circuit breaker of the present utility model causes vacuum circuit breaker, and stress is more in the horizontal direction
Well-balanced, the component without other directions completely so that the closing power of spring mechanism is smaller, mechanism operation is relatively reliable, closes a floodgate more
Plus it is reliable.
It is read in conjunction with the figure after embodiment of the present utility model, other features and advantage of the present utility model will become
Obtain clearer.
Brief description of the drawings
Fig. 1 is a kind of structural representation of embodiment of the utility model vacuum circuit breaker；
Fig. 2 is part A enlarged drawing in Fig. 1；
Fig. 3 is a kind of structural representation of embodiment of the utility model vacuum circuit breaker；
Fig. 4 is a kind of structural representation of embodiment of the utility model vacuum circuit breaker.
Embodiment of the present utility model is described in detail below, it should be appreciated that described herein
Embodiment is merely to illustrate and explained the utility model, is not limited to the utility model.
As Figure 1-Figure 4, the vacuum circuit breaker of the present embodiment includes cabinet 10, operating mechanism 20, three poles
30 and with three poles, 30 corresponding three transmission mechanisms 40, three poles 30 are transversely mounted on cabinet 10 side by side
On, transmission mechanism 40 is arranged in cabinet 10, and transmission mechanism 40 includes first connecting rod 41, the second connecting rod 42 and defeated being sequentially connected
Rod 43, take-off lever 43 is connected with the operation insulator 31 of pole 30；Operating mechanism 20 is arranged in cabinet 10, actuating machine
Structure 20 includes energy-stored spring 21, roller 22, third connecting rod 23, main shaft connecting lever 24 and main shaft 25, the first of three transmission mechanisms 40
Connecting rod 41 is connected with main shaft 25；Cabinet 10 is provided with installing plate 11, and pole 30 is arranged on cabinet 10 by installing plate 11
On, installing plate 11, which is provided with annular groove 12, annular groove 12, is provided with sealing ring（It is not shown）；Cabinet 11 is provided with
The through hole that shaft 43 passes through is supplied, oil seal sealing ring 13 is provided between through hole and output shaft 43.
Three poles 30 of the vacuum circuit breaker of the present embodiment are transversely mounted on cabinet 10 side by side, can be reduced true
The height of empty short-circuiting device, so as to reduce the setting height(from bottom) of switch cubicle, is conducive to meeting the design requirement of switch cubicle miniaturization.
The vacuum circuit breaker of the present embodiment is overall into unification by three poles 30 and the lateral arrangement of operating mechanism 20, i.e., using entirety
Formula is laid out, and can make that the operating characteristics of operating mechanism 20 and performance needed for three foldings of pole 30 are more identical, and reduction need not
The intermediate transmission link wanted, reduces energy consumption and noise, makes the operating characteristics of vacuum circuit breaker more reliable.The present embodiment it is true
Empty breaker have long lifespan, safeguard it is simple, pollution-free, without explosion danger, low noise advantages, it is adaptable to frequent operation, work
Make the harsh workplace of condition.
A piece main shaft 25 of the operating mechanism 20 of the vacuum circuit breaker of the present embodiment can drive three transmission mechanisms simultaneously
40 motions, so as to drive three poles 30 to move simultaneously；Energy produced by the abrupt release of energy-stored spring 21 passes through
Roller 22 hits connecting lever and is delivered on third connecting rod 23, and third connecting rod 23 drives the main shaft connecting lever 24 being fixed on main shaft 25, and
Drive main shaft 25 to rotate, drive the forward upward of first connecting rod 41 to motion when main shaft 25 rotates, first connecting rod 41 drives second to connect
Bar 42 and take-off lever 43 are to horizontal motion, and the energy storage of tripping spring 44 is finished, and take-off lever 43 drives the operation of pole 30
The horizontal motion of insulator 31, is finally completed combined floodgate motion.The combined floodgate motion mode of the vacuum circuit breaker of the present embodiment causes
Stress is more well-balanced in the horizontal direction for vacuum circuit breaker, completely the component without other directions so that the closing power of spring mechanism
Smaller, mechanism operation is relatively reliable, closes a floodgate relatively reliable.
Sealing ring is provided with the annular groove 12 of installing plate 11（It is not shown）, sealing effectiveness can be improved, is protected
The state of insulation of vacuum circuit breaker is demonstrate,proved not by extraneous dust, the pollution of humidity point water and is influenceed, installing plate 11 is installed by bolt
On cabinet 10.
Cabinet 11 is provided with oil seal sealing ring 13 provided with the through hole that shaft 43 passes through is supplied between through hole and output shaft 43；
Realize separating brake using oil seal sealing ring 13 between operating mechanism 20 and pole 30 and close a floodgate and move, oil seal sealing ring 13 is simultaneously
Sealing function can be realized.The place that oil seal sealing ring 13 is contacted with output shaft 43 forms one and encloses oil film, oil film thickness about 2.5
μm, oil film can play lubrication, can take away the frictional heat for producing take-off lever 43 because of relative motion, while in oil
The surface of film can produce certain tension force, gas can be prevented excessive, and then can play sealing function.
Spacing distance between adjacent pole 30 is 150-180mm, and the height of cabinet 20 is 500-520mm, cabinet
20 width is 500-520mm.
The specified use voltage of vacuum circuit breaker is 35kV, can be adapted to the wide switch cubicles of 800mm.
Above example is only illustrating the technical solution of the utility model, rather than is limited；Although with reference to before
Embodiment is stated the utility model is described in detail, for the person of ordinary skill of the art, still can be right
Technical scheme described in previous embodiment is modified, or carries out equivalent substitution to which part technical characteristic；And these
Modifications or substitutions, do not make appropriate technical solution essence depart from the utility model technical scheme claimed spirit and
Scope.
Claims (3)
1. a kind of vacuum circuit breaker, it is characterised in that
Including cabinet, operating mechanism, three poles and three transmission mechanisms corresponding with three poles,
Three poles are transversely mounted on the cabinet side by side, and the transmission mechanism is arranged in the cabinet, institute
State first connecting rod, second connecting rod and take-off lever that transmission mechanism includes being sequentially connected, the take-off lever and the pole
Insulator is operated to be connected；
The operating mechanism is arranged in the cabinet, and the operating mechanism includes energy-stored spring, roller, third connecting rod, main shaft
Connecting lever and main shaft, the first connecting rod of three transmission mechanisms are connected with the main shaft；
The cabinet is provided with installing plate, and the pole is arranged on the cabinet by the installing plate, described to install
Plate, which is provided with annular groove, the annular groove, is provided with sealing ring；
The cabinet is provided with the through hole passed through for the output shaft, and oil sealing sealing is provided between the through hole and the output shaft
Circle.
2. vacuum circuit breaker as claimed in claim 1, it is characterised in that
Spacing distance between the adjacent pole is 150-180mm, and the height of the cabinet is 500-520mm, described
The width of cabinet is 500-520mm.
3. vacuum circuit breaker as claimed in claim 1, it is characterised in that
The specified use voltage of the vacuum circuit breaker is 35kV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720195465.6U CN206490019U (en) | 2017-03-02 | 2017-03-02 | A kind of vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720195465.6U CN206490019U (en) | 2017-03-02 | 2017-03-02 | A kind of vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206490019U true CN206490019U (en) | 2017-09-12 |
Family
ID=59762323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720195465.6U Active CN206490019U (en) | 2017-03-02 | 2017-03-02 | A kind of vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206490019U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119786304A (en) * | 2024-12-31 | 2025-04-08 | 广东求精电气有限公司 | Vacuum circuit breaker |
-
2017
- 2017-03-02 CN CN201720195465.6U patent/CN206490019U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119786304A (en) * | 2024-12-31 | 2025-04-08 | 广东求精电气有限公司 | Vacuum circuit breaker |
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