CN205452152U - Air insulation looped netowrk vacuum circuit breaker for cabinet - Google Patents
Air insulation looped netowrk vacuum circuit breaker for cabinet Download PDFInfo
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- CN205452152U CN205452152U CN201620259166.XU CN201620259166U CN205452152U CN 205452152 U CN205452152 U CN 205452152U CN 201620259166 U CN201620259166 U CN 201620259166U CN 205452152 U CN205452152 U CN 205452152U
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- vacuum
- circuit breaker
- transmission shaft
- housing
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Abstract
The utility model discloses an air insulation looped netowrk vacuum circuit breaker for cabinet, including bullet behaviour mechanism and line switching protection mechanism, line switching protection mechanism comprises the interlock mechanism and the transmission shaft of three -phase vacuum protected location and corresponding every looks vacuum protected location in arranging the casing in, interlock mechanism is used for the transmission to connect the vacuum protected location of transmission shaft and corresponding phase place, realizes the closed of vacuum protected location and releasing the drive control, the transmission shaft rotates to be installed in the casing, and the one end of transmission shaft stretches out that the casing is outer to be grasped the mechanism with the bullet and be connected, the utility model discloses simple structure, design benefit have shortened the looks interval greatly when guaranteeing circuit breaker interphase insulation, realized the miniaturization and the modularization of circuit breaker, have made things convenient for the installation of circuit breaker and the maintenance in later stage to improve the holistic mechanical strength of circuit breaker, lengthened its life, had higher market value.
Description
Technical field
This utility model relates to a kind of chopper, especially one and is applicable to three-phase alternating current 50Hz, and rated voltage is the air insulation ring main unit vacuum circuit breaker of 12kV.
Background technology
Currently, in the power system that three-phase alternating current 50Hz, rated voltage are 12kV, it is common to use air insulation ring main unit mostly be SF6 gas inflated cabinet, wherein using SF6 gas as dielectric, reach the purpose to cabinet inside corresponding operating mechanism phase insulation.But, core component chopper as existing insulation ring main unit there is problems in that the volume of (1) chopper is big, owing to the vacuum extinction outdoor of existing chopper is not provided with insulation booth, thus in order to ensure phase insulation, the spaced apart of chopper reaches 210mm, thus increase the volume of chopper, it is unfavorable for the installation of cabinet other associated mechanisms internal；(2) chopper does not accomplish modularized design, trouble is not only installed, the all parts at cabinet inner breaker is needed to fixedly mount respectively, waste time and energy, it is unfavorable for follow-up maintenance and mechanical property debugging, and the bulk strength of chopper is low, work time be easily subject to ectocine, service life is short.
Summary of the invention
It is big that the purpose of this utility model seeks to solve existing insulation ring main unit inner breaker volume, not accomplishing modularized design, thus install and maintenance trouble, bulk strength is low, the problem that service life is short, provides a kind of air insulation ring main unit vacuum circuit breaker for this.
Concrete scheme of the present utility model is: 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, is made up of three-phase vacuum protection unit and the interlinked mechanism of correspondence every phase vacuum protection unit and power transmission shaft；Described interlinked mechanism is for the power transmission shaft vacuum protection unit with respective phase that is in transmission connection, it is achieved control the Guan Bi of vacuum protection unit with cutting off transmission；Described drive axis is arranged in housing, and one end of power transmission shaft is stretched out and is connected with pull operation mechanism outside housing.
The rectangular tubular structure of housing described in this utility model, is provided with reinforcement on the inwall of housing, and three-phase vacuum protection unit is arranged side by side on one of them medial wall of housing, and the space D between adjacent biphase vacuum protection unit is 165mm.
In this utility model, every phase vacuum protection unit has insulation booth; insulation booth is built with vacuum interrupter; be respectively arranged at two ends with up and down sleeve pipe, vacuum interrupter and two sleeve pipes at insulation booth are connected and in coaxially arranged, and at vacuum interrupter built with switching mechanism；Described interlinked mechanism includes swing arm, insulated tension pole and gearing connecting lever, wherein swing arm is fixed on power transmission shaft, the movable end of swing arm is hinged with one end of insulated tension pole, the middle part of gearing connecting lever is rotatably installed in one and fixes on axle, the other end of insulated tension pole and one of them movable end interlocking connecting lever are hinged, and another movable end interlocking connecting lever is hinged with construction of switch.
The notch edges of insulation booth described in this utility model and vacuum interrupter are equipped with butterfly shirt rim on the outer wall of sleeve pipe；And insulation booth, vacuum interrupter and sleeve pipe use epoxide resin material moulding by casting.
This utility model simple in construction, design ingenious, phase spacing is substantially reduced while guaranteeing chopper phase insulation, achieve miniaturization and the modularity of chopper, facilitate installing and the maintenance in later stage of chopper, and improve the mechanical strength that chopper is overall, extend its service life, there is higher market value.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is schematic top plan view of the present utility model；
Fig. 3 is the A-A view of Fig. 2；
Fig. 4 is the structural representation of this utility model middle shell.
In figure: 1 housing, 2 vacuum protection unit, 3 interlinked mechanisms, 4 power transmission shafts, 5 reinforcements, 6 insulation booths, 7 vacuum interrupters, 8 sleeve pipes, 9 swing arms, 10 insulated tension poles, 11 interlock connecting lever, 12 butterfly shirt rims.
Detailed description of the invention
Seeing Fig. 1-3, this utility model includes pull operation mechanism and line switching protection mechanism, and line switching protection mechanism is placed in housing 1, is made up of three-phase vacuum protection unit 2 and the interlinked mechanism 3 of correspondence every phase vacuum protection unit and power transmission shaft 4；Described interlinked mechanism 3 is for the power transmission shaft vacuum protection unit with respective phase that is in transmission connection, it is achieved control the Guan Bi of vacuum protection unit with cutting off transmission；Described power transmission shaft 4 is rotatably installed in housing 1, and one end of power transmission shaft 4 is stretched out and is connected with pull operation mechanism outside housing 1.
See Fig. 4, the rectangular tubular structure of housing 1 described in the present embodiment, a length of 676mm of housing, a width of 400mm；Being provided with reinforcement 5 on the inwall of housing 1, three-phase vacuum protection unit 2 is arranged side by side on one of them medial wall of housing 1, and the space D between adjacent biphase vacuum protection unit is 165mm.
See Fig. 3; in the present embodiment, every phase vacuum protection unit has insulation booth 6, and insulation booth 6 built with vacuum interrupter 7, is respectively arranged at two ends with sleeve pipe 8 up and down at insulation booth 6; vacuum interrupter 7 is connected and in coaxially arranged with two sleeve pipes 8, and at vacuum interrupter 7 built with switching mechanism；Described 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, the movable end of swing arm 9 is hinged with one end of insulated tension pole 10, the middle part of gearing connecting lever 11 is rotatably installed in one and fixes on axle, the other end of insulated tension pole 10 and one of them movable end interlocking connecting lever 11 are hinged, and another movable end interlocking connecting lever 11 is hinged with construction of switch.
Notch edges and the vacuum interrupter 7 of insulation booth 6 described in the present embodiment are equipped with butterfly shirt rim 12 on the outer wall of sleeve pipe 8；And insulation booth 6, vacuum interrupter 7 and sleeve pipe 8 use epoxide resin material moulding by casting.
In the present embodiment, reinforcement 5 ensure that the mechanical strength of housing 1 entirety, so that housing 1 can bear the bigger combined floodgate of chopper and the strength of separating brake and indeformable；Meanwhile, housing 1 is as the installation frame of line switching protection mechanism, it is achieved that the miniaturization of chopper and modularized design, facilitates installing and the maintenance in later stage of chopper.
This utility model 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.Needs major loop is closed a floodgate/separating brake time; operator only need to control power transmission shaft by pull operation mechanism and rotate along clockwise/counterclockwise; power transmission shaft pulls interlinked mechanism to make corresponding action while rotating, thus reaches the Guan Bi to three-phase vacuum protection unit or the control of cut-out action.
Claims (4)
1. an 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, is made up of three-phase vacuum protection unit and the interlinked mechanism of correspondence every phase vacuum protection unit and power transmission shaft；Described interlinked mechanism is for the power transmission shaft vacuum protection unit with respective phase that is in transmission connection, it is achieved control the Guan Bi of vacuum protection unit with cutting off transmission；Described drive axis is arranged in housing, and one end of power transmission shaft is stretched out and is connected with pull operation mechanism outside housing.
A kind of air insulation ring main unit vacuum circuit breaker the most according to claim 1; it is characterized in that: the rectangular tubular structure of described housing; the inwall of housing is provided with reinforcement; three-phase vacuum protection unit is arranged side by side on one of them medial wall of housing, and the space D between adjacent biphase vacuum protection unit is 165mm.
A kind of air insulation ring main unit vacuum circuit breaker the most according to claim 1 and 2; it is characterized in that: every phase vacuum protection unit has insulation booth; insulation booth is built with vacuum interrupter; sleeve pipe it is respectively arranged at two ends with up and down at insulation booth; vacuum interrupter and two sleeve pipes are connected and in coaxially arranged, and at vacuum interrupter built with switching mechanism；Interlinked mechanism includes swing arm, insulated tension pole and gearing connecting lever, wherein swing arm is fixed on power transmission shaft, the movable end of swing arm is hinged with one end of insulated tension pole, the middle part of gearing connecting lever is rotatably installed in one and fixes on axle, the other end of insulated tension pole and one of them movable end interlocking connecting lever are hinged, and another movable end interlocking connecting lever is hinged with construction of switch.
A kind of air insulation ring main unit vacuum circuit breaker the most according to claim 3, is characterized in that: the notch edges of described insulation booth and vacuum interrupter are equipped with butterfly shirt rim on 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 |
|---|---|---|---|
| CN201620259166.XU CN205452152U (en) | 2016-03-31 | 2016-03-31 | Air insulation looped netowrk vacuum circuit breaker for cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620259166.XU CN205452152U (en) | 2016-03-31 | 2016-03-31 | Air insulation looped netowrk vacuum circuit breaker for cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205452152U true CN205452152U (en) | 2016-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620259166.XU Active CN205452152U (en) | 2016-03-31 | 2016-03-31 | Air insulation looped netowrk vacuum circuit breaker for cabinet |
Country Status (1)
| Country | Link |
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| CN (1) | CN205452152U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107393761A (en) * | 2017-09-26 | 2017-11-24 | 湖北网安科技有限公司 | A kind of environmentally friendly compact looped network cabinet vacuum circuit breaker |
| CN107404084A (en) * | 2017-09-26 | 2017-11-28 | 湖北网安科技有限公司 | A kind of compact type environment-protection gas inflated ring main unit |
-
2016
- 2016-03-31 CN CN201620259166.XU patent/CN205452152U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107393761A (en) * | 2017-09-26 | 2017-11-24 | 湖北网安科技有限公司 | A kind of environmentally friendly compact looped network cabinet vacuum circuit breaker |
| CN107404084A (en) * | 2017-09-26 | 2017-11-28 | 湖北网安科技有限公司 | A kind of compact type environment-protection gas inflated ring main unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A vacuum circuit breaker for air insulated ring network cabinet Effective date of registration: 20220113 Granted publication date: 20160810 Pledgee: CITIC Bank Limited by Share Ltd. Huangshi branch Pledgor: HUBEI WANGAN TECHNOLOGY Co.,Ltd. Registration number: Y2022420000011 |