CN104124099A - Solid-sealed polar pole of vacuum breaker - Google Patents
Solid-sealed polar pole of vacuum breaker Download PDFInfo
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- CN104124099A CN104124099A CN201410312458.0A CN201410312458A CN104124099A CN 104124099 A CN104124099 A CN 104124099A CN 201410312458 A CN201410312458 A CN 201410312458A CN 104124099 A CN104124099 A CN 104124099A
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- vacuum interrupter
- pole
- copper busbar
- vacuum
- arc extinguishing
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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 the pole in electromechanical equipment field, particularly a kind of vacuum circuit-breaker.
Background technology
Pole is a kind of electric component that the high voltage devices such as vacuum interrupter and conducting terminal are encapsulated as by APG technique with epoxy resin.This frame mode of pole, guaranteed that it is alternate, be not relatively subject to the impact of the severe environment for use such as filth, condensation, prevented that vacuum interrupter is subject to extraneous danger of clashing into, strengthened the outer creepage distance of major loop, having improved arc control device withstand voltage level, is the non-maintaining condition of having created of arc control device and circuit breaker.Pole is the major component of solid sealing type vacuum circuit breaker, and its structure directly affects the quality of cast product, affects the properties of product of vacuum circuit-breaker, thereby affects power supply reliability.
But, pole in the market, all there is the problems such as dark line, cracking, office's amplification, undercapacity, heat radiation difficulty in great majority, is difficult to meet power reguirements.
Summary of the invention
For addressing the above problem, the object of the present invention is to provide a kind of pole of vacuum circuit-breaker, adopt rational structure, reduce cast difficulty, improving product performance, improves product cast qualification rate.
The present invention solves the technical scheme that its problem adopts:
A kind of pole of vacuum circuit-breaker, comprise horizontal successively vacuum interrupter one, vacuum interrupter two and vacuum interrupter three, described three vacuum interrupters all vertically place and upper end is moved end, the lower end of described vacuum interrupter two and vacuum interrupter three is connected with copper busbar one respectively, the lower end of described vacuum interrupter one is connected with copper busbar two, institute's vacuum interrupter one is segmented in same chamber by epoxy body baffle plate with the moved end of vacuum interrupter two, the moved end of described vacuum interrupter three is segmented in independent chamber, described epoxy body baffle plate top is provided with installed surface.
For guaranteeing vacuum interrupter contact resistance, the lower end of described arbitrary vacuum interrupter connects by screw rod with corresponding copper busbar, and described corresponding copper busbar is provided with the holding screw for fixing corresponding screw rod.
Vacuum interrupter one is moved end with the upper end of vacuum interrupter two, moved end is used for connecting insulated tension pole, can under the pulling of insulated tension pole, can move up and down, be flexible coupling and vacuum interrupter one can be connected to conducting with the moved end of vacuum interrupter two, and the position being flexible coupling is fixed, can prevent that vacuum interrupter one and vacuum interrupter two from interacting when moving.
The both sides of described vacuum interrupter one, vacuum interrupter two and vacuum interrupter three are all wrapped with the epoxy body that thickness is 12.5mm, and in addition, the thickness of the epoxy body that described pole periphery is wrapped with is all between 10mm to 15mm.Like this, both guaranteed that the insulator of whole pole shrank evenly, guaranteed again machinery and electrical strength that insulator is enough.
Described copper busbar one is horizontally disposed with, and its front end is provided with two identical protruding posts, and described two protruding posts are connected with the lower end of vacuum interrupter three with corresponding vacuum interrupter two respectively, and described copper busbar one end is provided with outlet bus end.
Described copper busbar two is for vertical up and down, the excessive type structure of bent intermediate, and its underpart is provided with main bus bar end.
The structure of copper busbar one and copper busbar two, makes the insulator profile of pole all can be implemented as oblique angle or fillet is excessive, has reduced cast difficulty.
Except installed surface can be installed screw, bulk strength and stability for after improving pole and installing are provided with support level one above the level of described copper busbar one, in the upper vertical side of described copper busbar two, are provided with support level two.
Whether charged for judging insulator, below the level of described copper busbar one, be provided with sensor sensing net, when the outlet bus end of insulator is charged, it can induce voltage, make the charged display device indicator light external with it light, to indicate insulator electrification.
Described vacuum interrupter one, vacuum interrupter two and vacuum interrupter three are followed successively by circuit breaker, isolating switch, earthed switch vacuum interrupter.
The invention has the beneficial effects as follows:
1, between circuit breaker, isolating switch, three vacuum interrupters of earthed switch, completely independent between line conductor and vacuum interrupter, the impact of having avoided epoxy casting mutually to shrink, improve casting quality and the rate of finished products of insulator, improved radiating condition;
2, pole of the present invention, vacuum interrupter and bonding conductor thereof can adopt cylindrical cast, and epoxy casting shrinkage direction is for radially, makes epoxy resin and by pour mass, is combined closelyr, and with reinforced insulation intensity, minimizing office puts;
3, the thickness of epoxy body all keeps 12.5mm left and right, has both guaranteed that whole insulator shrinks evenly, guaranteed again machinery and electrical strength that insulator is enough;
4, insulator profile adopts that gradient is excessive or fillet is excessive, reduces to pour into a mould difficulty;
5, insulator, except the installation screw of installed surface, has also increased by two and has supported installation position in bottom, improves bulk strength and stability after switch pole is installed;
6, be provided with the fixed position being flexible coupling between isolating switch and circuit breaker, effectively prevent switching manipulation impact each other.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and example, the invention will be further described.
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 that vacuum interrupter of the present invention, copper busbar are by the connection diagram of screw rod;
Fig. 4 arranges the structural representation after insulated tension pole in pole of the present invention;
Fig. 5 is the structural representation of copper busbar one of the present invention.
Embodiment
Shown in Fig. 1, the invention provides a kind of pole of vacuum circuit-breaker, comprise horizontal successively vacuum interrupter 1, vacuum interrupter 22 and vacuum interrupter 33, described three vacuum interrupters all vertically place and upper end is moved end, the lower end of described vacuum interrupter 22 and vacuum interrupter 33 is connected with copper busbar 1 respectively, the lower end of described vacuum interrupter 1 is connected with copper busbar 25, institute's vacuum interrupter 1 is segmented in same chamber by epoxy body baffle plate 6 with the moved end of vacuum interrupter 22, the moved end of described vacuum interrupter 33 is segmented in independent chamber, described epoxy body baffle plate 6 tops are provided with installed surface 16.
Described vacuum interrupter 1, vacuum interrupter 22 and vacuum interrupter 33 are followed successively by circuit breaker, isolating switch, earthed switch vacuum interrupter.
The present invention is provided with three arc control device, can meet the different demands of the equipment such as electric power terminal, has improved pragmatize application level.
For guaranteeing vacuum interrupter contact resistance, the lower end of described arbitrary vacuum interrupter connects by screw rod 7 with corresponding copper busbar, and described corresponding copper busbar is provided with the holding screw 8 for fixing corresponding screw rod 7.Specifically with reference to shown in Fig. 2.
In order to guarantee realization of the present invention, pole of the present invention, before cast, is first tightly screwed into screw rod 7 in the middle of corresponding copper busbar; Afterwards, adjust the height of screw rod 7, when it highly meets application, with holding screw 8, screw rod 7 is locked; Afterwards, corresponding vacuum interrupter outsourcing silicone rubber sleeve (when bag silicone rubber sleeve can make to pour into a mould, vacuum bubbles is combined tightr with epoxy); Afterwards, the vacuum interrupter of wrapping silicone rubber sleeve is screwed into corresponding screw rod 7, vacuum interrupter is connected with reference to shown in Fig. 3 with the concrete of copper busbar; Finally, carrying out moulding by casting in the threading moulds such as all elements, inserts.
Vacuum interrupter 1 is moved end with the upper end of vacuum interrupter 22, shown in Fig. 4, moved end is used for connecting insulated tension pole, can under the pulling of insulated tension pole, can move up and down, be flexible coupling and vacuum interrupter 1 can be connected to conducting with the moved end of vacuum interrupter 22, therefore, the moved end of vacuum interrupter 1 and vacuum interrupter 22 is when motion, may interact, for fear of this impact, the present invention fixes the position being flexible coupling, and between described vacuum interrupter 1 and the moved end of vacuum interrupter 22, is provided with the fixed position 9 that is flexible coupling.
Shown in Fig. 4, for guaranteeing that whole insulator shrinks all even insulators and has enough machinery and electrical strength, the both sides of described vacuum interrupter 1, vacuum interrupter 22 and vacuum interrupter 33 are all wrapped with the epoxy body that thickness is 12.5mm, the thickness of the epoxy body that in addition, described pole periphery is wrapped with is all between 10mm to 15mm.
Insulator can be installed screw except installed surface 16, is provided with support level 1 above the level of described copper busbar 1, and the upper vertical side of described copper busbar 25 is provided with support level 2 14, to improve bulk strength and the stability after pole is installed.
The present invention is in order to reduce to pour into a mould difficulty, shown in Fig. 4, the insulator profile of pole is all designed to oblique angle or the excessive structure of fillet, in order to realize this structure, shown in Fig. 5, described copper busbar 1 is horizontally disposed with, and its front end is provided with two identical protruding posts 10, described two protruding posts 10 are connected with the lower end of vacuum interrupter 33 with corresponding vacuum interrupter 22 respectively, and described copper busbar one 4 ends are provided with outlet bus end 11.It is vertical up and down that described copper busbar 25 is designed to, the excessive type structure of bent intermediate, and its underpart is provided with main bus bar end 12.When the present invention designs, shown in Fig. 4, wherein, oblique angle between support level 2 14 and vertical plane is 100 °, the epoxy body oblique angle of the upper vertical outside of copper busbar 25 is 51 °, the excessive fillet of bent intermediate of copper busbar 25 is R95, and the fillet lower vertical and horizontal level of copper busbar 25 is R5.The above data, is a kind of application according to the invention, and the present invention is not limited to the restriction of fixed data.
Whether charged for judging insulator, below the level of described copper busbar 1, be provided with sensor sensing net 15, when the outlet bus end of insulator is charged, it can induce voltage, make the charged display device indicator light external with it light, to indicate insulator electrification.
The above, be preferred embodiment of the present invention, and the present invention is not limited to above-mentioned execution mode, as long as it reaches technique effect of the present invention with identical means, all should belong to protection scope of the present invention.
Claims (10)
1. the pole of a vacuum circuit-breaker, it is characterized in that, comprise horizontal successively vacuum interrupter one (1), vacuum interrupter two (2) and vacuum interrupter three (3), described three vacuum interrupters all vertically place and upper end is moved end, the lower end of described vacuum interrupter two (2) and vacuum interrupter three (3) is connected with copper busbar one (4) respectively, the lower end of described vacuum interrupter one (1) is connected with copper busbar two (5), institute's vacuum interrupter one (1) is segmented in same chamber by epoxy body baffle plate (6) with the moved end of vacuum interrupter two (2), the moved end of described vacuum interrupter three (3) is segmented in independent chamber, described epoxy body baffle plate (6) top is provided with installed surface (16).
2. pole according to claim 1, is characterized in that, the lower end of described arbitrary vacuum interrupter connects by screw rod (7) with corresponding copper busbar, and described corresponding copper busbar is provided with the holding screw (8) for fixing corresponding screw rod (7).
3. pole according to claim 1, is characterized in that, between described vacuum interrupter one (1) and the moved end of vacuum interrupter two (2), is provided with the fixed position that is flexible coupling (9).
4. pole according to claim 1, it is characterized in that, the both sides of described vacuum interrupter one (1), vacuum interrupter two (2) and vacuum interrupter three (3) are all wrapped with the epoxy body that thickness is 12.5mm, the thickness of the epoxy body that in addition, described pole periphery is wrapped with is all between 10mm to 15mm.
5. pole according to claim 1, it is characterized in that, described copper busbar one (4) is horizontally disposed with, its front end is provided with two identical protruding posts (10), described two protruding posts (10) are connected with the lower end of vacuum interrupter three (3) with corresponding vacuum interrupter two (2) respectively, and described copper busbar one (4) end is provided with outlet bus end (11).
6. pole according to claim 1, is characterized in that, described copper busbar two (5) is for vertical up and down, the excessive type structure of bent intermediate, and its underpart is provided with main bus bar end (12).
7. pole according to claim 5, is characterized in that, the level top of described copper busbar one (4) is provided with support level one (13), and the level below of described copper busbar one (4) is provided with sensor sensing net (15).
8. pole according to claim 6, is characterized in that, the upper vertical side of described copper busbar two (5) is provided with support level two (14).
9. according to the arbitrary described pole of claim 1-8, it is characterized in that, described vacuum interrupter one (1), vacuum interrupter two (2) and vacuum interrupter three (3) are followed successively by circuit breaker, isolating switch, earthed switch vacuum interrupter.
10. according to the arbitrary described pole of claim 1-8, it is characterized in that, the insulator profile of described pole is oblique angle or the excessive structure of fillet.
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 true CN104124099A (en) | 2014-10-29 |
| CN104124099B CN104124099B (en) | 2017-04-12 |
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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 |
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| CN (1) | CN104124099B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261517A (en) * | 2015-10-20 | 2016-01-20 | 珠海许继电气有限公司 | Seal pole for PT cabinet |
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| CN102426971A (en) * | 2011-09-09 | 2012-04-25 | 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 |
| 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 |
| CN103325606A (en) * | 2013-06-13 | 2013-09-25 | 沈阳春兴成套电器制造有限公司 | Three-position isolation earthing switch |
| 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 |
| 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 (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102426971A (en) * | 2011-09-09 | 2012-04-25 | 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 |
| 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 |
| CN103325606A (en) * | 2013-06-13 | 2013-09-25 | 沈阳春兴成套电器制造有限公司 | Three-position isolation earthing switch |
| 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 |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261517A (en) * | 2015-10-20 | 2016-01-20 | 珠海许继电气有限公司 | Seal pole for PT cabinet |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104124099B (en) | 2017-04-12 |
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