CN107293441A - A kind of air insulation ring main unit vacuum circuit breaker - Google Patents
A kind of air insulation ring main unit vacuum circuit breaker Download PDFInfo
- Publication number
- CN107293441A CN107293441A CN201610194034.8A CN201610194034A CN107293441A CN 107293441 A CN107293441 A CN 107293441A CN 201610194034 A CN201610194034 A CN 201610194034A CN 107293441 A CN107293441 A CN 107293441A
- Authority
- CN
- China
- Prior art keywords
- vacuum
- housing
- protection unit
- phase
- power transmission
- 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.)
- Pending
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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
-
- 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
- H01H33/662—Housings or protective screens
-
- 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
- H01H33/666—Operating arrangements
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The invention discloses a kind of air insulation ring main unit vacuum circuit breaker; include pull operation mechanism and line switching protection mechanism; line switching protection mechanism is placed in housing, and by three-phase vacuum protection unit and correspondingly the interlinked mechanism and power transmission shaft per phase vacuum protection unit are constituted；The interlinked mechanism is used for be connected power transmission shaft and the vacuum protection unit of respective phase, realizes the closure to vacuum protection unit and cut-out transmission control；The drive axis is arranged in housing, and one end of power transmission shaft is stretched out to be connected outside housing with pull operation mechanism；The present invention is simple in construction, ingenious in design, phase spacing is substantially reduced while breaker phase insulation is ensured, realize miniaturization and the modularization of breaker, facilitate the installation of breaker and the maintenance in later stage, and improve the overall mechanical strength of breaker, its service life is extended, with higher market value.
Description
Technical field
The present invention relates to a kind of breaker, especially a kind of to be applied to three-phase alternating current 50Hz, rated voltage is 12kV air insulation ring main unit vacuum circuit breaker.
Background technology
Currently, three-phase alternating current 50Hz, rated voltage for 12kV power system in, it is common to use air insulation ring main unit be generally SF6 gas inflated cabinets, wherein using SF6 gases as dielectric, reaching the purpose to cabinet inside corresponding operating mechanism phase insulation.However, there is problems with as core component-breaker of existing insulation ring main unit：(1) volume of breaker is big, due to being not provided with insulation booth outside the vacuum extinction room of existing breaker, so that in order to ensure phase insulation, the phase spacing of breaker reaches 210mm, so as to increase the volume of breaker, it is unfavorable for the installation of other associated mechanisms inside cabinet；(2) breaker does not accomplish modularized design, trouble is not only installed, the all parts in cabinet inner breaker are needed to be fixedly mounted respectively, waste time and energy, it is unfavorable for follow-up maintenance and mechanical property debugging, and the bulk strength of breaker it is low, work when easily by ectocine, service life is short.
The content of the invention
It is big present invention aim to solve existing insulation ring main unit inner breaker volume, do not accomplish modularized design, so as to install and repair trouble, bulk strength is low, the problem of service life is short, a kind of air insulation ring main unit vacuum circuit breaker is provided for this.
The present invention concrete scheme be：A kind of air insulation ring main unit vacuum circuit breaker, it is characterized in that：Include pull operation mechanism and line switching protection mechanism, line switching protection mechanism is placed in housing, by three-phase vacuum protection unit and correspondingly the interlinked mechanism and power transmission shaft per phase vacuum protection unit are constituted；The interlinked mechanism is used for be connected power transmission shaft and the vacuum protection unit of respective phase, realizes the closure to vacuum protection unit and cut-out transmission control；The drive axis is arranged in housing, and one end of power transmission shaft is stretched out to be connected outside housing with pull operation mechanism.
The heretofore described rectangular tubular structure of housing, is provided with reinforcement on the inwall of housing, and three-phase vacuum protection unit is arranged side by side on one of madial wall of housing, and the space D between adjacent two-phase vacuum protection unit is 165mm.
There is insulation booth per phase vacuum protection unit, insulation booth is respectively equipped with sleeve pipe built with vacuum interrupter in the upper and lower ends of insulation booth, and vacuum interrupter is connected with two sleeve pipes and is in coaxially arranged in the present invention, and in vacuum interrupter built with switching mechanism；The interlinked mechanism includes swing arm, insulated tension pole and interlocks connecting lever, wherein swing arm is fixed on power transmission shaft, the movable end of swing arm and one end of insulated tension pole are hinged, interlock and be rotatably installed in the middle part of connecting lever in a fixing axle, the other end of insulated tension pole is hinged with interlocking one of movable end of connecting lever, and another movable end for interlocking connecting lever is hinged with construction of switch.
Butterfly shirt rim is equipped with the notch edges and vacuum interrupter of heretofore described insulation booth and the outer wall of sleeve pipe；And insulation booth, vacuum interrupter and sleeve pipe use epoxide resin material moulding by casting.
The present invention is simple in construction, ingenious in design, phase spacing is substantially reduced while breaker phase insulation is ensured, realize miniaturization and the modularization of breaker, facilitate the installation of breaker and the maintenance in later stage, and improve the overall mechanical strength of breaker, its service life is extended, with higher market value.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the schematic top plan view of the present invention；
Fig. 3 is Fig. 2 A-A views；
Fig. 4 is the structural representation of housing in the present invention.
In figure：1-housing, 2-vacuum protection unit, 3-interlinked mechanism, 4-power transmission shaft, 5-reinforcement, 6-insulation booth, 7-vacuum interrupter, 8-sleeve pipe, 9-swing arm, 10-insulated tension pole, 11-interlock connecting lever, 12-butterfly shirt rim.
Embodiment
Referring to Fig. 1-3, the present invention includes pull operation mechanism and line switching protection mechanism, and line switching protection mechanism is placed in housing 1, and by three-phase vacuum protection unit 2 and correspondingly the interlinked mechanism 3 and power transmission shaft 4 per phase vacuum protection unit are constituted；The interlinked mechanism 3 is used for be connected power transmission shaft and the vacuum protection unit of respective phase, realizes the closure to vacuum protection unit and cut-out transmission control；The power transmission shaft 4 is rotatably installed in housing 1, and one end of power transmission shaft 4 is stretched out to be connected outside housing 1 with pull operation mechanism.
Referring to Fig. 4, the rectangular tubular structure of housing 1 described in the present embodiment, a length of 676mm of housing, a width of 400mm；Reinforcement 5 is provided with the inwall of housing 1, three-phase vacuum protection unit 2 is arranged side by side on one of madial wall of housing 1, and the space D between adjacent two-phase vacuum protection unit is 165mm.
Referring to Fig. 3; there is insulation booth 6 per phase vacuum protection unit in the present embodiment, insulation booth 6 is respectively equipped with sleeve pipe 8 built with vacuum interrupter 7 in the upper and lower ends of insulation booth 6; vacuum interrupter 7 is connected with two sleeve pipes 8 and is in coaxially arranged, and in vacuum interrupter 7 built with switching mechanism；The interlinked mechanism 3 includes swing arm 9, insulated tension pole 10 and interlocks connecting lever 11, wherein swing arm 9 is fixed on power transmission shaft 4, one end of the movable end of swing arm 9 and insulated tension pole 10 is hinged, the middle part for interlocking connecting lever 11 is rotatably installed in a fixing axle, the other end of insulated tension pole 10 is hinged with interlocking one of movable end of connecting lever 11, and another movable end for interlocking connecting lever 11 is hinged with construction of switch.
The notch edges and vacuum interrupter 7 of insulation booth 6 described in the present embodiment on the outer wall of sleeve pipe 8 with being equipped with butterfly shirt rim 12；And insulation booth 6, vacuum interrupter 7 and sleeve pipe 8 use epoxide resin material moulding by casting.
Reinforcement 5 ensure that the overall mechanical strength of housing 1 in the present embodiment, so that housing 1 can bear the strength of the larger combined floodgate of breaker and separating brake and indeformable；At the same time, housing 1 realizes the miniaturization and modularized design of breaker as the installation frame of line switching protection mechanism, facilitates the installation of breaker and the maintenance in later stage.
The present invention is when installing and using, three-phase terminal being arranged in three sleeve pipes of insulation booth upper end is connected with the three-phase circuit of busbar, and three-phase terminal being arranged in three sleeve pipes of insulation booth lower end is connected with the three-phase terminal of isolator operating mechanism.Need to major loop carry out close a floodgate/separating brake when; operating personnel only need to control power transmission shaft to be rotated along clockwise/counterclockwise by pull operation mechanism; power transmission shaft pulls interlinked mechanism to make corresponding action while rotating, so as to reach the control of the closure or cutoff action to three-phase vacuum protection unit.
Claims (4)
1. a kind of air insulation ring main unit vacuum circuit breaker, it is characterized in that：Include pull operation mechanism and line switching protection mechanism, line switching protection mechanism is placed in housing, by three-phase vacuum protection unit and correspondingly the interlinked mechanism and power transmission shaft per phase vacuum protection unit are constituted；The interlinked mechanism is used for be connected power transmission shaft and the vacuum protection unit of respective phase, realizes the closure to vacuum protection unit and cut-out transmission control；The drive axis is arranged in housing, and one end of power transmission shaft is stretched out to be connected outside housing with pull operation mechanism.
2. a kind of air insulation ring main unit vacuum circuit breaker according to claim 1, it is characterized in that：The rectangular tubular structure of housing, the inwall of housing is provided with reinforcement, and three-phase vacuum protection unit is arranged side by side on one of madial wall of housing, and the space D between adjacent two-phase vacuum protection unit is 165mm.
3. a kind of air insulation ring main unit vacuum circuit breaker according to claim 1 or 2, it is characterized in that：There is insulation booth per phase vacuum protection unit, insulation booth is respectively equipped with sleeve pipe built with vacuum interrupter in the upper and lower ends of insulation booth, and vacuum interrupter is connected with two sleeve pipes and is in coaxially arranged, and in vacuum interrupter built with switching mechanism；Interlinked mechanism includes swing arm, insulated tension pole and interlocks connecting lever, wherein swing arm is fixed on power transmission shaft, the movable end of swing arm and one end of insulated tension pole are hinged, interlock and be rotatably installed in the middle part of connecting lever in a fixing axle, the other end of insulated tension pole is hinged with interlocking one of movable end of connecting lever, and another movable end for interlocking connecting lever is hinged with construction of switch.
4. a kind of air insulation ring main unit vacuum circuit breaker according to claim 3, it is characterized in that：Butterfly shirt rim is equipped with the notch edges and vacuum interrupter of the insulation booth and the outer wall of sleeve pipe；And insulation booth, vacuum interrupter and sleeve pipe use epoxide resin material moulding by casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610194034.8A CN107293441A (en) | 2016-03-31 | 2016-03-31 | A kind of air insulation ring main unit vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610194034.8A CN107293441A (en) | 2016-03-31 | 2016-03-31 | A kind of air insulation ring main unit vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107293441A true CN107293441A (en) | 2017-10-24 |
Family
ID=60087161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610194034.8A Pending CN107293441A (en) | 2016-03-31 | 2016-03-31 | A kind of air insulation ring main unit vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107293441A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108831794A (en) * | 2018-08-22 | 2018-11-16 | 福建德普乐能源科技有限公司 | A kind of vacuum circuit breaker on outdoor lamppost pole with lightning protection function |
| CN109841446A (en) * | 2019-01-07 | 2019-06-04 | 宏秀电气有限公司 | Breaker on one or two fusion serial columns |
-
2016
- 2016-03-31 CN CN201610194034.8A patent/CN107293441A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108831794A (en) * | 2018-08-22 | 2018-11-16 | 福建德普乐能源科技有限公司 | A kind of vacuum circuit breaker on outdoor lamppost pole with lightning protection function |
| CN108831794B (en) * | 2018-08-22 | 2023-10-24 | 福建德普乐能源科技有限公司 | Solid-sealed pole with lightning protection function for outdoor pole vacuum circuit breaker |
| CN109841446A (en) * | 2019-01-07 | 2019-06-04 | 宏秀电气有限公司 | Breaker on one or two fusion serial columns |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171024 |