CN107393761A - A kind of environmentally friendly compact looped network cabinet vacuum circuit breaker - Google Patents
A kind of environmentally friendly compact looped network cabinet vacuum circuit breaker Download PDFInfo
- Publication number
- CN107393761A CN107393761A CN201710877385.3A CN201710877385A CN107393761A CN 107393761 A CN107393761 A CN 107393761A CN 201710877385 A CN201710877385 A CN 201710877385A CN 107393761 A CN107393761 A CN 107393761A
- Authority
- CN
- China
- Prior art keywords
- vacuum
- phase
- split
- protection unit
- shaped structure
- 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
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
-
- 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
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
Landscapes
- Gas-Insulated Switchgears (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Patch Boards (AREA)
Abstract
The present invention relates to a kind of environmentally friendly compact looped network cabinet vacuum circuit breaker; include pull operation mechanism and line switching protection mechanism, line switching protection mechanism is by housing, three-phase vacuum protection unit and correspondingly the interlinked mechanism and power transmission shaft per phase vacuum protection unit form；Include split-phase isolated insulation box and vacuum interrupter per phase vacuum protection unit, the upper end of vacuum interrupter is provided with upper inlet-outlet line pole, and the bottom of vacuum interrupter is provided with switching mechanism and lower inlet-outlet line pole；The U-shaped structure that split-phase isolated insulation box is above, below and right flank is open, the both sides side plate of the right flank opening of U-shaped structure are arranged to single hierarchic structure from top to bottom；If the upper and lower part of the madial wall of U-shape structure is additionally provided with dried layer increasing and climbs full skirt, also vertically strengthening rib strip is provided with the front and rear outer wall of U-shaped structure；Center space D between two adjacent vacuum protection units is 150mm；The alternate isolation of the present invention is more complete, and volume is smaller, and weight is lighter.
Description
Technical field
The present invention relates to electrical control equipment technical field, especially a kind of environmentally friendly compact looped network cabinet vacuum circuit breaker
Device.
Background technology
At present, the gas-filling cabinet used in domestic and international power system is mostly SF6 gas inflateds cabinet, with SF6 gases as exhausted
Edge medium, but SF6 gases are a kind of gas for endangering earth atmosphere, are a kind of gas-filling cabinets not environmentally without market prospects,
And environmentally friendly gas ring main unit with dry air or nitrogen as medium, be a kind of environmental protection and possess the gas-filling cabinet of market prospects, and
As environmentally friendly gas ring main unit core component, the breaker of environmentally friendly gas ring main unit is exclusively used at present because phase gap ratio is lithium
The 150mm of sulphur inflating cabinet breaker is big, causes volumetric expansion, and weight is excessive, so that becoming large-sized for environment-protecting cabinet, limits ring
Protect the trend of gas ring main unit miniaturization.
And the breaker that a kind of size for being currently known is relatively small, Patent No. ZL201620259166.X, its is specific
Disclose that " a kind of air insulation ring main unit vacuum circuit breaker, includes pull operation mechanism and line switching protection mechanism, circuit
Switch protection mechanism is placed in housing, by three-phase vacuum protection unit and correspondingly per the interlinked mechanism of phase vacuum protection unit with
And power transmission shaft composition；The interlinked mechanism is used for be connected power transmission shaft and the vacuum protection unit of respective phase, realizes to true
The closure of empty protection location and cut-out transmission control；The drive axis is arranged in housing, and shell is stretched out in one end of power transmission shaft
It is connected in vitro with pull operation mechanism；The rectangular tubular structure of housing, the inwall of housing are provided with reinforcement, three-phase vacuum
Protection location is arranged side by side on one of madial wall of housing, and the space D between adjacent two-phase vacuum protection unit
For 165mm；There is insulation booth per phase vacuum protection unit, insulation booth is built with vacuum interrupter, in the upper and lower ends of insulation booth
Sleeve pipe is respectively equipped with, vacuum interrupter is connected with two sleeve pipes and is in coaxially arranged, and in vacuum interrupter built with switch
Mechanism；Interlinked mechanism includes swing arm, insulated tension pole and interlocks connecting lever, and wherein swing arm is fixed on power transmission shaft, the activity of swing arm
Hold one end with insulated tension pole to be hinged, interlock and be rotatably installed in the middle part of connecting lever in a fixing axle, the other end of insulated tension pole
One of movable end with interlocking connecting lever is hinged, and another movable end for interlocking connecting lever is hinged with construction of switch；It is described
Butterfly shirt rim is equipped with the notch edges and vacuum interrupter of insulation booth and the outer wall of sleeve pipe；And insulation booth, vacuum extinction
Room and sleeve pipe use epoxide resin material moulding by casting." above-mentioned patent still has following shortcoming：Phase spacing is excessive to be reached
165mm has been arrived, whole housing overall volume is larger, and so as to cause breaker overall volume and weight larger, casing rigidity is inadequate,
Insulation booth is only merely to carry out alternate isolation to vacuum interrupter part, can't accomplish that all charging members are complete between each other
Isolated insulation.
The content of the invention
The purpose of the present invention is aiming at existing ring main unit with place of vacuum circuit breaker above shortcomings, there is provided one
More complete, the lighter environmentally friendly compact looped network cabinet vacuum circuit breaker of the smaller weight of volume of the alternate isolation of kind.
The present invention concrete scheme be：A kind of environmentally friendly compact looped network cabinet vacuum circuit breaker, include pull operation mechanism and
Line switching protection mechanism, the line switching protection mechanism is by housing, three-phase vacuum protection unit and is correspondingly protected per phase vacuum
Protect the interlinked mechanism and power transmission shaft composition of unit；Vacuum of the interlinked mechanism for be connected power transmission shaft and respective phase
Protection location, realize the closure to vacuum protection unit and cut-out transmission control；The drive axis is arranged in housing, is passed
One end of moving axis is stretched out outside housing to be connected with pull operation mechanism, and the interlinked mechanism includes swing arm, insulated tension pole and gearing and turned
Arm, wherein swing arm are fixed on power transmission shaft, and the movable end of swing arm and one end of insulated tension pole are hinged, and the middle part for interlocking connecting lever turns
Dynamic to be arranged in a fixing axle, the other end of insulated tension pole is hinged with interlocking one of movable end of connecting lever, interlocks connecting lever
Another movable end and the vacuum protection unit of respective phase are hinged, and it is exhausted that split-phase isolation is included per phase vacuum protection unit
Edge box and vacuum interrupter, the upper end of vacuum interrupter are provided with upper inlet-outlet line pole, and the bottom of vacuum interrupter is provided with switching on and shutting down
Structure and lower inlet-outlet line pole, the switching mechanism are hinged with corresponding gearing connecting lever；The split-phase isolated insulation box for above, under
The U-shaped structure that face and right flank are open, during whole vacuum interrupter and upper and lower inlet-outlet line pole are enclosed in by the U-shaped structure
Between, the both sides side plate of the right flank opening of U-shaped structure is arranged to single hierarchic structure from top to bottom, and single hierarchic structure is by corresponding to
Insulated tension pole and gearing connecting lever surround wherein；If the upper and lower part of the madial wall of the U-shape structure is additionally provided with dried layer, umbrella is climbed in increasing
Skirt, also vertically strengthening rib strip is provided with the front and rear outer wall of U-shaped structure；Center space D between two adjacent vacuum protection units is
150mm。
Heretofore described housing is made using beading moulding process, and housing overall length is 560mm, and case width is
365mm。
Heretofore described split-phase isolated insulation box is made using AGP casting epoxy resins.
The front and rear sides outer wall of heretofore described split-phase isolated insulation box is provided with clamping boss, and the clamping boss is used for
Positioning clamping between two adjacent split-phase isolated insulation boxes.
The invention has the advantages that：
1. the split-phase isolated insulation box made by using the AGP casting epoxy resins of split-phase isolation, due to split-phase isolated insulation
The unique construction of box, to below vacuum interrupter, upper and lower inlet-outlet line pole, insulated tension pole live part carry out it is alternate completely every
From, compared with routine insulation booth have more preferable insulating properties and more preferable mechanical strength, so as to which phase spacing is reduced into
150mm, be significantly smaller than the 210mm of conventional air insulation breaker phase spacing, so as to greatly reduce the volume of breaker and
Weight, while keep insulating properties more preferable, it is more beneficial for the popularization of Environmental protection all-closed air insulation ring main unit.
2. case frame is integrally made using beading moulding process, thickness of slab can be greatly reduced, reduces weight, is improved strong
Degree.
3. because each vacuum protection unit is to use modularized design in breaker, housing and each unit are arranged on looped network
The antetheca of cabinet, it is easy for installation compared to traditional breaker a lot, installation time is greatlyd save, improves the unit interval
Working efficiency.
4. the miniaturization of breaker profile, the raising of insulating properties will cause the hermetically sealed air insulation ring main unit of environment-friendly type
Volume and weight reduce, service behaviour is improved, so that the hermetically sealed air insulation ring main unit of environment-friendly type obtains more
Big popularization.
Brief description of the drawings
Fig. 1 is the general structure schematic diagram of the present invention；
The master that Fig. 2 is the present invention cuts open structural representation；
Fig. 3 is side-looking direction structural representation of the present invention；
Fig. 4 is overlook direction structural representation of the present invention；
Fig. 5 is the general structure schematic diagram of split-phase isolated insulation box in the present invention.
In figure：1-housing, 2-power transmission shaft, 3-increase and climb full skirt, 4-split-phase isolated insulation box, 5-insulated tension pole, 6-
Upper inlet-outlet line pole, 7-vacuum interrupter, 8-switching mechanism, 9-lower inlet-outlet line pole, 10-mono- hierarchic structure, 11-even
Dynamic connecting lever, 12-strengthening rib strip, 13-U-shaped structure, 14-clamping boss, 15-swing arm.
Embodiment
Referring to Fig. 1-Fig. 5, the present invention is a kind of environmentally friendly compact looped network cabinet vacuum circuit breaker, include pull operation mechanism and
Line switching protection mechanism, the line switching protection mechanism is by housing 1, three-phase vacuum protection unit and is correspondingly protected per phase vacuum
The interlinked mechanism and power transmission shaft 2 for protecting unit form；The interlinked mechanism is used for the true of power transmission shaft and respective phase that be connected
Empty protection location, realize the closure to vacuum protection unit and cut-out transmission control；The drive axis is arranged in housing,
One end of power transmission shaft is stretched out outside housing to be connected with pull operation mechanism, and the interlinked mechanism includes swing arm 15, insulated tension pole 5 and connected
Dynamic connecting lever 11, wherein swing arm are fixed on power transmission shaft, and the movable end of swing arm and one end of insulated tension pole are hinged, and interlock connecting lever
Middle part is rotatably installed in a fixing axle, and the other end of insulated tension pole is hinged with interlocking one of movable end of connecting lever, is interlocked
Another movable end of connecting lever and the vacuum protection unit of respective phase are hinged, and include split-phase per phase vacuum protection unit
Isolated insulation box 4 and vacuum interrupter 7, the upper end of vacuum interrupter are provided with upper inlet-outlet line pole 6, and the bottom of vacuum interrupter is set
There are switching mechanism 8 and lower inlet-outlet line pole 9, the switching mechanism is hinged with corresponding gearing connecting lever；The split-phase isolated insulation
Box is the U-shaped structure 13 that above, below and right flank are open, and the U-shaped structure is by whole vacuum interrupter and upper and lower inlet-outlet line
Pole is enclosed in centre, and the both sides side plate of the right flank opening of U-shaped structure is arranged to single hierarchic structure 10, the single-order from top to bottom
Terraced structure is by corresponding insulated tension pole and interlocks connecting lever encirclement wherein；The upper and lower part of the madial wall of the U-shape structure is also set
If having dried layer to increase climbs full skirt 3, also vertically strengthening rib strip 12 is provided with the front and rear outer wall of U-shaped structure；Two adjacent vacuum protection units
Between center space D be 150mm.
Housing described in the present embodiment is made using beading moulding process, and housing overall length is 560mm, and case width is
365mm。
The box of split-phase isolated insulation described in the present embodiment is made using AGP casting epoxy resins.
The front and rear sides outer wall of the box of split-phase isolated insulation described in the present embodiment is provided with clamping boss 14, the clamping boss
For the positioning clamping between two adjacent split-phase isolated insulation boxes.
The invention has the advantages that：
1. the split-phase isolated insulation box made by using the AGP casting epoxy resins of split-phase isolation, due to split-phase isolated insulation
The unique construction of box, to below vacuum interrupter, upper and lower inlet-outlet line pole, insulated tension pole live part carry out it is alternate completely every
From, compared with routine insulation booth have more preferable insulating properties and more preferable mechanical strength, so as to which phase spacing is reduced into
150mm, be significantly smaller than the 210mm of conventional air insulation breaker phase spacing, so as to greatly reduce the volume of breaker and
Weight, while keep insulating properties more preferable, it is more beneficial for the popularization of Environmental protection all-closed air insulation ring main unit.
2. case frame is integrally made using beading moulding process, thickness of slab can be greatly reduced, reduces weight, is improved strong
Degree.
3. because each vacuum protection unit is to use modularized design in breaker, housing and each unit are arranged on looped network
The antetheca of cabinet, it is easy for installation compared to traditional breaker a lot, installation time is greatlyd save, improves the unit interval
Working efficiency.
4. the miniaturization of breaker profile, the raising of insulating properties will cause the hermetically sealed air insulation ring main unit of environment-friendly type
Volume and weight reduce, service behaviour is improved, so that the hermetically sealed air insulation ring main unit of environment-friendly type obtains more
Big popularization.
Claims (4)
1. a kind of environmentally friendly compact looped network cabinet vacuum circuit breaker, includes pull operation mechanism and line switching protection mechanism, described
Line switching protection mechanism is by housing, three-phase vacuum protection unit and correspondingly per the interlinked mechanism and biography of phase vacuum protection unit
Moving axis forms；The interlinked mechanism is used for be connected power transmission shaft and the vacuum protection unit of respective phase, realizes and vacuum is protected
Protect closure and the cut-out transmission control of unit；The drive axis is arranged in housing, and one end of power transmission shaft is stretched out outside housing
It is connected with pull operation mechanism, the interlinked mechanism includes swing arm, insulated tension pole and interlocks connecting lever, and wherein swing arm is fixed on transmission
On axle, the movable end of swing arm and one end of insulated tension pole are hinged, and interlock and are rotatably installed in the middle part of connecting lever in a fixing axle, absolutely
The other end of edge pull bar is hinged with interlocking one of movable end of connecting lever, interlocks another movable end and respective phase of connecting lever
Vacuum protection unit be hinged, it is characterised in that：Include split-phase isolated insulation box and vacuum per phase vacuum protection unit
Arc-chutes, the upper end of vacuum interrupter are provided with upper inlet-outlet line pole, and the bottom of vacuum interrupter is provided with switching mechanism and lower disengaging
Line pole, the switching mechanism are hinged with corresponding gearing connecting lever；The split-phase isolated insulation box is above, below and right flank
Whole vacuum interrupter and upper and lower inlet-outlet line pole are enclosed in centre, U-shaped structure by the U-shaped structure being open, the U-shaped structure
The both sides side plate of right flank opening be arranged to single hierarchic structure from top to bottom, single hierarchic structure by corresponding insulated tension pole and
Connecting lever is interlocked to surround wherein；If the upper and lower part of the madial wall of the U-shape structure is additionally provided with dried layer, full skirt, U-shaped structure are climbed in increasing
Front and rear outer wall on also be vertically provided with strengthening rib strip；Center space D between two adjacent vacuum protection units is 150mm.
A kind of 2. environmentally friendly compact looped network cabinet vacuum circuit breaker according to claim 1, it is characterised in that：The housing
It is made using beading moulding process, housing overall length is 560mm, case width 365mm.
A kind of 3. environmentally friendly compact looped network cabinet vacuum circuit breaker according to claim 1, it is characterised in that：The split-phase
Isolated insulation box is made using AGP casting epoxy resins.
A kind of 4. environmentally friendly compact looped network cabinet vacuum circuit breaker according to claim 1, it is characterised in that：The split-phase
The front and rear sides outer wall of isolated insulation box is provided with clamping boss, and the clamping boss is used between two adjacent split-phase isolated insulation boxes
Positioning clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710877385.3A CN107393761A (en) | 2017-09-26 | 2017-09-26 | A kind of environmentally friendly compact looped network cabinet vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710877385.3A CN107393761A (en) | 2017-09-26 | 2017-09-26 | A kind of environmentally friendly compact looped network cabinet vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107393761A true CN107393761A (en) | 2017-11-24 |
Family
ID=60350083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710877385.3A Pending CN107393761A (en) | 2017-09-26 | 2017-09-26 | A kind of environmentally friendly compact looped network cabinet vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107393761A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018651A (en) * | 2020-08-26 | 2020-12-01 | 西安神电(泾阳)电器有限公司 | Method for improving insulating strength of insulating part for environment-friendly gas-filled cabinet and insulating part |
| CN115602489A (en) * | 2022-09-23 | 2023-01-13 | 弘乐集团有限公司（Cn） | Top-expanded environment-friendly gas cabinet |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4105878A (en) * | 1977-01-17 | 1978-08-08 | Mcgraw-Edison Company | Vacuum interrupter and disconnect combination |
| CN102097248A (en) * | 2011-01-31 | 2011-06-15 | 常熟开关制造有限公司(原常熟开关厂） | Vacuum circuit breaker with electromotive force compensation circuit |
| CN205452152U (en) * | 2016-03-31 | 2016-08-10 | 湖北网安科技有限公司 | Air insulation looped netowrk vacuum circuit breaker for cabinet |
| CN206389060U (en) * | 2016-12-23 | 2017-08-08 | 亚洲电力设备(深圳)股份有限公司 | Environmentally friendly gas-insulated cabinet |
| CN207302963U (en) * | 2017-09-26 | 2018-05-01 | 湖北网安科技有限公司 | A kind of environmental protection compact looped network cabinet vacuum circuit breaker |
-
2017
- 2017-09-26 CN CN201710877385.3A patent/CN107393761A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4105878A (en) * | 1977-01-17 | 1978-08-08 | Mcgraw-Edison Company | Vacuum interrupter and disconnect combination |
| CN102097248A (en) * | 2011-01-31 | 2011-06-15 | 常熟开关制造有限公司(原常熟开关厂） | Vacuum circuit breaker with electromotive force compensation circuit |
| CN205452152U (en) * | 2016-03-31 | 2016-08-10 | 湖北网安科技有限公司 | Air insulation looped netowrk vacuum circuit breaker for cabinet |
| CN206389060U (en) * | 2016-12-23 | 2017-08-08 | 亚洲电力设备(深圳)股份有限公司 | Environmentally friendly gas-insulated cabinet |
| CN207302963U (en) * | 2017-09-26 | 2018-05-01 | 湖北网安科技有限公司 | A kind of environmental protection compact looped network cabinet vacuum circuit breaker |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112018651A (en) * | 2020-08-26 | 2020-12-01 | 西安神电(泾阳)电器有限公司 | Method for improving insulating strength of insulating part for environment-friendly gas-filled cabinet and insulating part |
| CN112018651B (en) * | 2020-08-26 | 2022-04-01 | 西安神电(泾阳)电器有限公司 | Method for improving insulating strength of insulating part for environment-friendly gas-filled cabinet and insulating part |
| CN115602489A (en) * | 2022-09-23 | 2023-01-13 | 弘乐集团有限公司（Cn） | Top-expanded environment-friendly gas cabinet |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20171124 |