CN104124099B - Solid-sealed polar pole of vacuum breaker - Google Patents
Solid-sealed polar pole of vacuum breaker Download PDFInfo
- Publication number
- CN104124099B CN104124099B CN201410312458.0A CN201410312458A CN104124099B CN 104124099 B CN104124099 B CN 104124099B CN 201410312458 A CN201410312458 A CN 201410312458A CN 104124099 B CN104124099 B CN 104124099B
- Authority
- CN
- China
- Prior art keywords
- vacuum interrupter
- vacuum
- pole
- copper busbar
- arc extinguishing
- 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.)
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 42
- 229910052802 copper Inorganic materials 0.000 claims abstract description 42
- 239000010949 copper Substances 0.000 claims abstract description 42
- 239000004593 Epoxy Substances 0.000 claims abstract description 19
- 239000012212 insulator Substances 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000005266 casting Methods 0.000 abstract description 5
- 238000005336 cracking Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract 2
- 230000003321 amplification Effects 0.000 abstract 1
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 3
- 229920002379 silicone rubber Polymers 0.000 description 3
- 239000004945 silicone rubber Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The invention discloses a solid-sealed polar pole of a vacuum breaker. The solid-sealed polar pole of the vacuum breaker comprises a vacuum arc extinguishing chamber I, a vacuum arc extinguishing chamber II and a vacuum arc extinguishing chamber III which are sequentially and horizontally arranged. The three vacuum arc extinguishing chambers are vertically mounted, and the upper end of every vacuum arc extinguishing chamber is a movable end; the lower ends of the vacuum arc extinguishing chamber II and the vacuum arc extinguishing chamber III are connected with a copper bus bar I, and the lower end of the vacuum arc extinguishing chamber I is connected with a copper bus bar II; the movable ends of the vacuum arc extinguishing chamber I and the vacuum arc extinguishing chamber II are mounted inside the same cavity through separation of an epoxy baffle, and the movable end of the vacuum arc extinguishing chamber III is arranged inside a independent cavity through separation; a mounting surface is arranged above the epoxy baffle. The solid-sealed polar pole of the vacuum breaker is easy to mould by casting, avoids the problems existing in the prior art such as concealed cracks, cracking, local amplification, low strength and radiating difficulty and fully meets requirements on power supply.
Description
Technical field
The present invention relates to field of electromechanical equipment, particularly a kind of pole of vacuum circuit breaker.
Background technology
Pole is to be encapsulated as the high voltage device such as vacuum interrupter and conducting terminal epoxy resin by APG techniques
A kind of electrical equipment.This frame mode of pole, it is ensured that its is alternate, it is severe to be relatively unaffected by filth, condensation etc.
The impact of use environment, it is therefore prevented that vacuum interrupter easily by the extraneous danger clashed into, enhances the outer creep age distance of major loop, carries
High arc-chutes withstanding voltage levels, are that arc-chutes and the non-maintaining of breaker create condition.Pole is that fixed sealing type is true
The major component of empty breaker, its structure directly affects the quality of cast product, affects the properties of product of vacuum circuit breaker, so as to
Affect power supply reliability.
But, pole in the market, all there is dark line, cracking in great majority, office amplifies, intensity is not enough, radiate
Difficult the problems such as, it is difficult to meet power reguirements.
The content of the invention
To solve the above problems, it is an object of the invention to provide a kind of pole of vacuum circuit breaker, using reasonable
Structure, reduce cast difficulty, improving product performance, improve product cast qualification rate.
The present invention solves the technical scheme that adopted of its problem：
A kind of pole of vacuum circuit breaker, including vacuum interrupter one horizontally arranged successively, vacuum interrupter two
With vacuum interrupter three, three vacuum interrupters are vertically placed and upper end is moved end, the vacuum interrupter two and true
The lower end of empty arc-chutes three is connected respectively with copper busbar one, and the lower end of the vacuum interrupter one is connected with copper busbar two, and institute is true
Empty arc-chutes one are segmented in same chamber with the moved end of vacuum interrupter two by epoxy body baffle plate, the vacuum interrupter three
Moved end is divided in single within the chamber, and the epoxy body baffle plate top is provided with mounting surface.
To ensure vacuum interrupter contact resistance, the lower end of arbitrary vacuum interrupter passes through screw rod with corresponding copper busbar
Connection, the correspondence copper busbar is provided with for the holding screw of fixed correspondence screw rod.
Vacuum interrupter one is moved end with the upper end of vacuum interrupter two, and moved end is used to connect insulated tension pole, can be in insulation
Can move up and down under the pulling of pull bar, be flexible coupling, vacuum interrupter one can be connected with the moved end of vacuum interrupter two and be led
It is logical, and the position being flexible coupling is fixed, can prevent vacuum interrupter one from interacting in motion with vacuum interrupter two.
The both sides of the vacuum interrupter one, vacuum interrupter two and vacuum interrupter three are wrapped with thickness for 12.5mm's
Epoxy body, in addition, the thickness of the epoxy body that the pole periphery is wrapped with is between 10mm to 15mm.So, both
Ensure that the insulation shrink of whole pole is uniform, in turn ensure that the enough machinery of insulator and electrical strength.
The copper busbar one is horizontally disposed with, and its front end is provided with two identical convex columns, described two convex column difference
Connect with the lower end of corresponding vacuum interrupter two and vacuum interrupter three, the end of the copper busbar one is provided with outlet bus end.
For up and down, vertically, bent intermediate crosses degree type structure to the copper busbar two, and its underpart is provided with main bus-bar end.
The structure of copper busbar one and copper busbar two so that the insulator profile of pole can be implemented as oblique angle or circle
Angle excessively, reduces cast difficulty.
In addition to mounting surface can install screw, in order to improve the bulk strength after pole is installed and stability, in institute
The level top for stating copper busbar one is provided with support level one, and the upper vertical side of the copper busbar two is provided with support level two.
To judge whether insulator is powered, the horizontal down of the copper busbar one is provided with sensor sensing net, when exhausted
When the outlet bus end of edge body is powered, it can induce voltage, make the charged display device indicator lamp external with it light, with
Indicate insulator electrification.
The vacuum interrupter one, vacuum interrupter two and vacuum interrupter three are followed successively by breaker, disconnecting switch, ground connection
Closing vacuum arc-chutes.
The invention has the beneficial effects as follows：
1st, between breaker, disconnecting switch, three vacuum interrupters of earthed switch, line conductor and vacuum interrupter it
Between be completely independent, it is to avoid the impact that epoxy casting mutually shrinks, improve the casting quality and yield rate of insulator, improve
Radiating condition；
2nd, pole of the invention, vacuum interrupter and its connection conductor can be received using cylinder cast, epoxy casting
Radially, to make epoxy resin be combined more closely with body is cast, with reinforced insulation intensity, reduction office puts in contracting direction；
3rd, the thickness of epoxy body keeps 12.5mm or so, has both ensured that whole insulation shrink is uniform, and insulator is ensured again
Enough mechanical and electrical strengths；
4th, insulator profile is excessive using gradient or fillet is excessive, reduces cast difficulty；
5th, insulator also increased two support installation positions in addition to the installation screw of mounting surface in bottom, improve switch solid
Bulk strength and stability after sealed pole installation；
6th, the fixed position being flexible coupling between disconnecting switch and breaker is provided with, switching manipulation is effectively prevented each other
Impact.
Description of the drawings
Below in conjunction with the accompanying drawings the invention will be further described with example.
Fig. 1 is the structural representation of pole of the present invention；
Fig. 2 is the connection diagram of screw rod of the present invention and copper busbar；
Fig. 3 is the connection diagram that vacuum interrupter of the present invention, copper busbar pass through screw rod；
Fig. 4 is that the structural representation after insulated tension pole is arranged in pole of the present invention；
Fig. 5 is the structural representation of copper busbar of the present invention.
Specific embodiment
With reference to shown in Fig. 1, the invention provides a kind of pole of vacuum circuit breaker, including horizontally arranged true successively
Empty arc-chutes 1, vacuum interrupter 22 and vacuum interrupter 33, three vacuum interrupters are vertically placed and upper end is
The lower end of moved end, the vacuum interrupter 22 and vacuum interrupter 33 is connected respectively with copper busbar 1, the vacuum interrupter
One 1 lower end is connected with copper busbar 25, and the moved end of institute's vacuum interrupter 1 and vacuum interrupter 22 is by 6 points of epoxy body baffle plate
Cut in same chamber, the moved end of the vacuum interrupter 33 is divided in single within the chamber, on the epoxy body baffle plate 6
Side is provided with mounting surface 16.
The vacuum interrupter 1, vacuum interrupter 22 and vacuum interrupter 33 be followed successively by breaker, disconnecting switch,
Earthed switch vacuum interrupter.
The present invention is provided with three arc-chutes, can meet the different demands of the equipment such as electric power terminal, and improve actualization should
With level.
To ensure vacuum interrupter contact resistance, the lower end of arbitrary vacuum interrupter passes through screw rod with corresponding copper busbar
7 connections, the correspondence copper busbar is provided with for the holding screw 8 of fixed correspondence screw rod 7.Referring in particular to shown in Fig. 2.
In order to ensure the realization of the present invention, the pole of the present invention is tightly screwed into first correspondence copper before cast, by screw rod 7
In the middle of bus；Afterwards, the height of screw rod 7 is adjusted, it is with holding screw 8 that screw rod 7 is locked when it highly meets applies；Afterwards,
In correspondence vacuum interrupter outsourcing silicone rubber sleeve（Vacuum bubbles are combined tightr with epoxy when bag silicone rubber sleeve can make cast）；It
Afterwards, the vacuum interrupter for wrapping silicone rubber sleeve is screwed into correspondence screw rod 7, vacuum interrupter is joined with the concrete connection of copper busbar
According to shown in Fig. 3；Finally, all elements, inserts etc. are put in mould carries out moulding by casting.
Vacuum interrupter 1 is moved end with the upper end of vacuum interrupter 22, and with reference to shown in Fig. 4, moved end is used to connect insulation
Pull bar, be able to can move up and down under the pulling of insulated tension pole, and being flexible coupling then can be by vacuum interrupter 1 and vacuum interrupter two
2 moved end connection conducting, therefore, the moved end of vacuum interrupter 1 and vacuum interrupter 22 may interact in motion,
In order to avoid this impact, the present invention fixes the position being flexible coupling, i.e., in the vacuum interrupter 1 and vacuum interrupter two
The fixed position 9 that is flexible coupling is provided between 2 moved end.
It is to ensure that the uniform insulator of whole insulation shrink has enough mechanical and electrical strengths, institute with reference to shown in Fig. 4
The both sides for stating vacuum interrupter 1, vacuum interrupter 22 and vacuum interrupter 33 are wrapped with the epoxy body that thickness is 12.5mm,
In addition, the thickness of the epoxy body that the pole periphery is wrapped with is between 10mm to 15mm.
Insulator is provided with support level in addition to mounting surface 16 can install screw above the level of the copper busbar 1
One 13, the upper vertical side of the copper busbar 25 is provided with support level 2 14, with improve pole install after bulk strength and
Stability.
The insulator profile of pole with reference to shown in Fig. 4, is both designed as oblique angle by the present invention in order to reduce cast difficulty
Or fillet excessive structural, in order to realize this structure, with reference to shown in Fig. 5, the copper busbar 1 is horizontally disposed with, and its front end is arranged
Have two identical convex columns 10, described two convex columns 10 respectively with corresponding vacuum interrupter 22 and vacuum interrupter 33
Lower end connects, and the end of the copper busbar 1 is provided with outlet bus end 11.The copper busbar 25 is designed as up and down vertically, middle
Degree type structure is bent through, and its underpart is provided with main bus-bar end 12.During present invention design, with reference to shown in Fig. 4, wherein, support level
Oblique angle between 2 14 and vertical plane is 100 °, and the epoxy body oblique angle of the upper vertical outside of copper busbar 25 is 51 °, copper busbar 25
The excessive fillet of bent intermediate be R95, the lower of copper busbar 25 is vertically R5 with the fillet of horizontal level.The above data,
Simply meet one kind application of the present invention, the invention is not limited in the restriction of fixed data.
To judge whether insulator is powered, the horizontal down of the copper busbar 1 is provided with sensor sensing net 15, when
When the outlet bus end of insulator is powered, it can induce voltage, make the charged display device indicator lamp external with it light,
To indicate insulator electrification.
The above, simply presently preferred embodiments of the present invention, the invention is not limited in above-mentioned embodiment, as long as
It reaches the technique effect of the present invention with identical means, should all belong to protection scope of the present invention.
Claims (8)
1. a kind of pole of vacuum circuit breaker, it is characterised in that including vacuum interrupter one horizontally arranged successively（1）、
Vacuum interrupter two（2）With vacuum interrupter three（3）, three vacuum interrupters vertically place and upper end be moved end, institute
State vacuum interrupter one（1）, vacuum interrupter two（2）With vacuum interrupter three（3）Periphery be wrapped with thickness be 12.5mm ring
Oxysome, the vacuum interrupter one（1）, vacuum interrupter two（2）With vacuum interrupter three（3）Arrange between the epoxy body of surrounding
There is an interval, the separate setting of three vacuum interrupters, except vacuum interrupter one（1）, vacuum interrupter two（2）Go out with vacuum
Arc chamber three（3）Outward, the pole periphery is also wrapped with epoxy body of the thickness between 10mm to 15mm, the vacuum interrupter
Two（2）With vacuum interrupter three（3）Lower end respectively with copper busbar one（4）Connection, the vacuum interrupter one（1）Lower end with
Copper busbar two（5）Connection, institute's vacuum interrupter one（1）With vacuum interrupter two（2）Moved end by epoxy body baffle plate（6）It is segmented in
In same chamber, the vacuum interrupter three（3）Moved end be divided in single within the chamber, the epoxy body baffle plate（6）On
Side is provided with mounting surface（16）, the insulator profile of the pole is oblique angle or fillet excessive structural.
2. pole according to claim 1, it is characterised in that the lower end of arbitrary vacuum interrupter and corresponding copper
Bus passes through screw rod（7）Connection, the correspondence copper busbar is provided with for fixed correspondence screw rod（7）Holding screw（8）.
3. pole according to claim 1, it is characterised in that the vacuum interrupter one（1）With vacuum interrupter
Two（2）Moved end between be provided with the fixed position that is flexible coupling（9）.
4. pole according to claim 1, it is characterised in that the copper busbar one（4）Horizontally disposed, its front end sets
It is equipped with two identical convex columns（10）, described two convex columns（10）Respectively with corresponding vacuum interrupter two（2）Go out with vacuum
Arc chamber three（3）Lower end connection, the copper busbar one（4）End is provided with outlet bus end（11）.
5. pole according to claim 1, it is characterised in that the copper busbar two（5）For up and down, vertically, centre is curved
Song crosses degree type structure, and its underpart is provided with main bus-bar end（12）.
6. pole according to claim 5, it is characterised in that the copper busbar one（4）Level top be provided with
Support level one（13）, the copper busbar one（4）Horizontal down be provided with sensor sensing net（15）.
7. pole according to claim 6, it is characterised in that the copper busbar two（5）Upper vertical side be provided with
Support level two（14）.
8. according to the arbitrary described pole of claim 1-7, it is characterised in that the vacuum interrupter one（1）, vacuum
Arc-chutes two（2）With vacuum interrupter three（3）It is followed successively by breaker, disconnecting switch, earthed switch vacuum interrupter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410312458.0A CN104124099B (en) | 2014-07-01 | 2014-07-01 | Solid-sealed polar pole of vacuum breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410312458.0A CN104124099B (en) | 2014-07-01 | 2014-07-01 | Solid-sealed polar pole of vacuum breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104124099A CN104124099A (en) | 2014-10-29 |
| CN104124099B true CN104124099B (en) | 2017-04-12 |
Family
ID=51769472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410312458.0A Active CN104124099B (en) | 2014-07-01 | 2014-07-01 | Solid-sealed polar pole of vacuum breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104124099B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261517B (en) * | 2015-10-20 | 2018-11-06 | 珠海许继电气有限公司 | A kind of pole of PT cabinets |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623231A (en) * | 2012-03-23 | 2012-08-01 | 中能电气（福清）有限公司 | Solid-sealed polar column unit for solid insulation switch equipment |
| CN203415829U (en) * | 2013-08-12 | 2014-01-29 | 珠海许继电气有限公司 | Solid insulation component used for solid insulation cabinet |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102426971B (en) * | 2011-09-09 | 2014-04-16 | 许昌永新电器设备有限公司 | Triangle form inter-phase all-solid insulated middle-high voltage switchgear |
| CN202221871U (en) * | 2011-09-09 | 2012-05-16 | 许昌永新电器设备有限公司 | Linear-shaped phase to phase all-solid insulating middle/high voltage switchgear |
| CN102593745A (en) * | 2012-03-07 | 2012-07-18 | 广东顺源通开关有限公司 | Sealed compact-type combined electrical apparatus |
| CN103325606B (en) * | 2013-06-13 | 2015-07-08 | 沈阳春兴成套电器制造有限公司 | Three-position isolation earthing switch |
| CN204011236U (en) * | 2014-07-01 | 2014-12-10 | 珠海许继电气有限公司 | A kind of pole of vacuum circuit-breaker |
-
2014
- 2014-07-01 CN CN201410312458.0A patent/CN104124099B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623231A (en) * | 2012-03-23 | 2012-08-01 | 中能电气（福清）有限公司 | Solid-sealed polar column unit for solid insulation switch equipment |
| CN203415829U (en) * | 2013-08-12 | 2014-01-29 | 珠海许继电气有限公司 | Solid insulation component used for solid insulation cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104124099A (en) | 2014-10-29 |
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