CN204332808U - Medium Voltage Switchgear pole - Google Patents
Medium Voltage Switchgear pole Download PDFInfo
- Publication number
- CN204332808U CN204332808U CN201420802301.1U CN201420802301U CN204332808U CN 204332808 U CN204332808 U CN 204332808U CN 201420802301 U CN201420802301 U CN 201420802301U CN 204332808 U CN204332808 U CN 204332808U
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- China
- Prior art keywords
- pole
- isolating switch
- insulated tension
- vacuum interrupter
- medium voltage
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- 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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- 230000005855 radiation Effects 0.000 claims abstract description 8
- 239000003822 epoxy resin Substances 0.000 claims abstract description 6
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 6
- 238000002474 experimental method Methods 0.000 claims description 10
- 238000009826 distribution Methods 0.000 abstract description 9
- 230000005684 electric field Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 19
- 239000007787 solid Substances 0.000 description 12
- 239000006185 dispersion Substances 0.000 description 5
- 239000011810 insulating material Substances 0.000 description 3
- 230000008033 biological extinction Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model provides a kind of Medium Voltage Switchgear pole, described pole comprises integrally pours into a mould by epoxy resin the can formed, be arranged side by side breaker vacuum arc control device and isolating switch vacuum interrupter in described can, and be provided with heat radiation gap structure between described breaker vacuum arc control device and described isolating switch vacuum interrupter.Medium Voltage Switchgear pole of the present utility model has that volume is little, insulating reliability good and the uniform beneficial effect of Electric Field Distribution.
Description
Technical field
The utility model relates to medium-voltage distribution equipment technical field, particularly relates to a kind of Medium Voltage Switchgear pole, and this Medium Voltage Switchgear pole has double arc extinguishing chambers, is mainly used in middle pressure primary power distribution switch cubicle.
Background technology
Medium Voltage Switchgear mainly refers to the high-voltage complete switch equipment of 3.6 ~ 40.5KV electric pressure.The Medium Voltage Switchgear primary circuit of carrying out primary power distribution is made up of circuit breaker and isolating switch usually.In order to realize the insulation protection to circuit breaker and isolating switch, conventional method often adopts SF
6insulate with composite gas.
Middle pressure solid insulation, as a kind of emerging technology, is applied in the development & production of Medium Voltage Switchgear gradually.The solid insulation protection of circuit breaker, is normally realized by the vacuum interrupter that poured with epoxy resin circuit breaker is used; And the insulation protection of isolating switch often adopts the compound inslation mode of air-solid: in epoxy resins insulation sleeve, isolation switch one end is fixed, and the other end adopts operating mechanism to drive to rotate and realizes separating brake, combined floodgate, ground connection operation to three different positions.This isolating switch adopts air insulation, easily because actual operating mode, creep distance not (creepage distance refers to the radius (insulating material around conductor is charged because being electrically polarized) of live zone between two conductive parts recording along insulation system surface), produce the reasons such as arcing and burnt.Adopt the Medium Voltage Switchgear solid insulation structure of technique scheme, volume is large, floor space is many, and is subject to the impact of the harsh weather such as condensation.
In addition, Medium Voltage Switchgear solid insulation structure also needs to have uniform Electric Field Distribution, if because there is higher internal field in its insulation system, in use, easily there is insulation breakdown, partial discharge occur in these positions, this declines greatly by causing the insulation property of this insulation system.And Medium Voltage Switchgear solid insulation structure also needs good heat dispersion, to prevent the failure of insulation because of cracking.
Utility model content
Based on above-mentioned technical problem, the utility model provides a kind of Medium Voltage Switchgear pole, with while reduction pole volume, improves its heat dispersion and insulating reliability.
The utility model embodiment provides a kind of Medium Voltage Switchgear pole, described pole comprises integrally pours into a mould by epoxy resin the can formed, be arranged side by side breaker vacuum arc control device and isolating switch vacuum interrupter in described can, and be provided with heat radiation gap structure between described breaker vacuum arc control device and described isolating switch vacuum interrupter.
In an embodiment, described pole comprises the first line seat being positioned at described breaker vacuum arc control device side and the second line seat being positioned at described isolating switch vacuum interrupter side; The described first line seat of moved end electrical connection of described breaker vacuum arc control device, the described second line seat of moved end electrical connection of described isolating switch vacuum interrupter, and the quiet end of described breaker vacuum arc control device is electrically connected with the quiet end of described isolating switch vacuum interrupter.
In an embodiment, described first line seat and described second line seat are arranged symmetrically.
In an embodiment, the quiet end of described breaker vacuum arc control device is electrically connected by flexible connection structure with the quiet end of described isolating switch vacuum interrupter.
In an embodiment, the side of described isolating switch vacuum interrupter is also provided with the experiment terminal be electrically connected with the moved end of described isolating switch vacuum interrupter, and described experiment terminal stretches out described can.
In an embodiment, described pole also comprises the first insulated tension pole and the second insulated tension pole, described first insulated tension pole and described second insulated tension pole are arranged side by side and stretch out described can, moved end and described first insulated tension pole of described breaker vacuum arc control device link, and moved end and described second insulated tension pole of described isolating switch vacuum interrupter link.
In an embodiment, the inner surface that described can surrounds described first insulated tension pole and described second insulated tension pole part is full skirt shape.
In an embodiment, installing tri-station isolating switch in described isolating switch vacuum interrupter.
In an embodiment, described pole is 1250A pole.
In an embodiment, described pole is 1250A pole, also comprises the first insulated tension pole, the second insulated tension pole and experiment terminal; Wherein, described first insulated tension pole and described second insulated tension pole are arranged side by side and stretch out described can, the inner surface that described can surrounds described first insulated tension pole and described second insulated tension pole part is full skirt shape, moved end and described first insulated tension pole of described breaker vacuum arc control device link, and the moved end of described isolating switch vacuum interrupter and described second insulated tension pole link; Described experiment terminal is located at the side of described isolating switch vacuum interrupter and is stretched out described can, and is electrically connected with the moved end of described isolating switch vacuum interrupter; Described first line seat and described second line seat are arranged symmetrically; And installing tri-station isolating switch in described isolating switch vacuum interrupter.
Medium Voltage Switchgear pole of the present utility model seals breaker vacuum arc control device placed side by side and isolating switch vacuum interrupter by the can integrally poured into by solid insulating material, and heat radiation gap structure is provided with between breaker vacuum arc control device and isolating switch vacuum interrupter, so, the utility model while reduction pole volume, can make it have good heat dispersion, insulating reliability energy and more uniform Electric Field Distribution.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.In the accompanying drawings:
Fig. 1 is the generalized section of the Medium Voltage Switchgear pole of the utility model embodiment;
Fig. 2 is the generalized section that the utility model embodiment contains the Medium Voltage Switchgear pole of insulated tension pole.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly understand, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.At this, schematic description and description of the present utility model for explaining the utility model, but not as to restriction of the present utility model.
Fig. 1 is the generalized section of the Medium Voltage Switchgear pole of the utility model embodiment.As shown in Figure 1, Medium Voltage Switchgear pole 1 comprises the breaker vacuum arc control device 14 and isolating switch vacuum interrupter 16 that are arranged side by side, breaker vacuum arc control device 14 and isolating switch vacuum interrupter 16 are integrally poured into a mould by solid insulating material (such as epoxy resin) can 11 formed and are sealed, and are provided with heat radiation gap structure 20 between breaker vacuum arc control device 14 and isolating switch vacuum interrupter 16.
Heat radiation gap structure 20 can be the various gaps be arranged between breaker vacuum arc control device 14 and isolating switch vacuum interrupter 16, the such as gap such as porous, hollow.Preferably, be the air chamber formed by the air gap between breaker vacuum arc control device 14 and isolating switch vacuum interrupter 16, and preferably make space be full of whole space between breaker vacuum arc control device 14 and isolating switch vacuum interrupter 16.
Further, in one embodiment, as shown in Figure 1, pole also comprises the first line seat 12 being positioned at breaker vacuum arc control device 14 side and the second line seat 18 being positioned at isolating switch vacuum interrupter 16 side.The moved end of breaker vacuum arc control device 14 (vacuum circuit breaker switch) is electrically connected the first line seat 12, the moved end of isolating switch vacuum interrupter 16 is electrically connected the second line seat 18, and the quiet end of breaker vacuum arc control device 14 is electrically connected with the quiet end of isolating switch vacuum interrupter 16.
First line seat 12 and the second line seat 18 can be the multiple diverse locations of the both sides being positioned at breaker vacuum arc control device 14 and isolating switch vacuum interrupter 16, preferably, the both sides being distributed in breaker vacuum arc control device 14 and isolating switch vacuum interrupter 16 symmetrically, in use have to make pole evenly Electric Field Distribution.
The Medium Voltage Switchgear pole of the utility model embodiment has good heat dispersion because being provided with above-mentioned heat radiation gap structure.Can allow by multiple different current, even if circuital current comparatively large (such as 1250A electric current) also not easily splits, there is good insulating reliability.Therefore, the pole of the utility model embodiment can be the pole of a kind of 1250A.
Can install multiple different isolating switch in isolating switch vacuum interrupter 16, preferably, can install tri-station isolating switch, it has compact conformation, simple to operate and operate advantage accurately, is conducive to the volume reducing Medium Voltage Switchgear pole further.
Again as shown in Figure 1, the quiet end of breaker vacuum arc control device 14 is electrically connected by flexible connection structure 19 with the quiet end of isolating switch vacuum interrupter 16, and flexible connection structure 19 is fixed on the quiet end of breaker vacuum arc control device 14 and the quiet end of isolating switch vacuum interrupter 16 by screw 13 (such as meeting the soket head cap screw of GB/T 70.2 standard).Packing ring (such as meeting GB/T 97.1 standard) and spring washer (such as meeting GB/T 93.1 standard) also can be provided with between screw 13 and flexible connection structure, be connected well to make breaker vacuum arc control device 14 with isolating switch vacuum interrupter 16, even and if there is a little expansion owing to being heated in the vacuum interrupter in can, can also can not be caused to split.Wherein, flexible connection structure 19 can be the flexible connection line or connecting band be made up of various different metal material.
The side (the second line seat 18 side) of isolating switch vacuum interrupter 16 also can be provided with the experiment terminal 17 be electrically connected with the moved end of isolating switch vacuum interrupter 16, and described experiment terminal stretches out described can 11, to test.
Fig. 2 is the generalized section that the utility model embodiment contains the Medium Voltage Switchgear pole of insulated tension pole.As shown in Figure 2, moved end and first insulated tension pole 23 of breaker vacuum arc control device 14 link, moved end and second insulated tension pole 24 of isolating switch vacuum interrupter 16 link, and the first insulated tension pole 23 and the second insulated tension pole 24 are arranged side by side and stretch out described can 11.
In the utility model embodiment, connection interlock is carried out by multitude of different ways between vacuum interrupter (breaker vacuum arc control device 14 and isolating switch vacuum interrupter 16) and insulated tension pole (first insulated tension pole 23 and the second insulated tension pole 24), preferably, all be connected with helical spring 22 fingertip by button contact base 21, to make insulated tension pole (first insulated tension pole 23 and the second insulated tension pole 24) and vacuum interrupter (breaker vacuum arc control device 14 and isolating switch vacuum interrupter 16), the Contact of line seat (first line seat 12 and the second line seat 18) is good.
First insulated tension pole 23 and the second insulated tension pole 24 are surrounded by can 11, the inner surface of can 11 corresponding position can be smooth surface, preferably, in full skirt shape, greatly can increase the creepage distance of can thus, to significantly improve the insulating reliability of solid insulation structure (can).
Heat radiation gap structure 20 between breaker vacuum arc control device 14 and isolating switch vacuum interrupter 16, the breaker vacuum arc control device 14 of Medium Voltage Switchgear pole 1 were both connected with isolating switch vacuum interrupter 16, relatively independently again be sealed in can 11, not only there is good heat dispersion, and, even if can inner member expanded by heating, can also not easily splits.
The Medium Voltage Switchgear pole of the utility model embodiment also can make in vacuum extinction indoor, can and all have uniform Electric Field Distribution in surrounding air, increases the insulating reliability of pole.
Further, the can of the Medium Voltage Switchgear pole of the utility model embodiment can be provided with multiple inserts, such as inserts 15 (as shown in Figure 1), can meet multiple assembling needs, such as, be fixed in Medium Voltage Switchgear by Medium Voltage Switchgear pole.
Breaker vacuum arc control device and isolating switch vacuum interrupter all by can solid insulation, are reduced the volume of pole by the Medium Voltage Switchgear pole of the utility model embodiment.And Medium Voltage Switchgear pole has comparatively symmetrical structure, make Electric Field Distribution wherein evenly, thus add the insulating reliability of solid insulation structure (can).In addition, the inner surface of the can of insulated tension pole (insulated tension pole of circuit breaker and isolating switch) peripheral part of Medium Voltage Switchgear pole is full skirt shape, add creepage distance, and further increase the insulating reliability of solid insulation structure (can).
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; and be not used in restriction protection range of the present utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. a Medium Voltage Switchgear pole, it is characterized in that, described pole comprises integrally pours into a mould by epoxy resin the can formed, be arranged side by side breaker vacuum arc control device and isolating switch vacuum interrupter in described can, and be provided with heat radiation gap structure between described breaker vacuum arc control device and described isolating switch vacuum interrupter.
2. Medium Voltage Switchgear pole as claimed in claim 1, is characterized in that, described pole comprises the first line seat being positioned at described breaker vacuum arc control device side and the second line seat being positioned at described isolating switch vacuum interrupter side; The described first line seat of moved end electrical connection of described breaker vacuum arc control device, the described second line seat of moved end electrical connection of described isolating switch vacuum interrupter, and the quiet end of described breaker vacuum arc control device is electrically connected with the quiet end of described isolating switch vacuum interrupter.
3. Medium Voltage Switchgear pole as claimed in claim 2, it is characterized in that, the quiet end of described breaker vacuum arc control device is electrically connected by flexible connection structure with the quiet end of described isolating switch vacuum interrupter.
4. Medium Voltage Switchgear pole as claimed in claim 2, it is characterized in that, described first line seat and described second line seat are arranged symmetrically.
5. Medium Voltage Switchgear pole as claimed in claim 2, it is characterized in that, the side of described isolating switch vacuum interrupter is also provided with the experiment terminal be electrically connected with the moved end of described isolating switch vacuum interrupter, and described experiment terminal stretches out described can.
6. Medium Voltage Switchgear pole as claimed in claim 1, it is characterized in that, described pole also comprises the first insulated tension pole and the second insulated tension pole, described first insulated tension pole and described second insulated tension pole are arranged side by side and stretch out described can, moved end and described first insulated tension pole of described breaker vacuum arc control device link, and moved end and described second insulated tension pole of described isolating switch vacuum interrupter link.
7. Medium Voltage Switchgear pole as claimed in claim 6, is characterized in that, the inner surface that described can surrounds described first insulated tension pole and described second insulated tension pole part is full skirt shape.
8. Medium Voltage Switchgear pole as claimed in claim 6, is characterized in that, installing tri-station isolating switch in described isolating switch vacuum interrupter.
9. the Medium Voltage Switchgear pole as described in any one of claim 1 to 8, is characterized in that, described pole is 1250A pole.
10. Medium Voltage Switchgear pole as claimed in claim 3, it is characterized in that, described pole is 1250A pole, also comprises the first insulated tension pole, the second insulated tension pole and experiment terminal;
Wherein, described first insulated tension pole and described second insulated tension pole are arranged side by side and stretch out described can, the inner surface that described can surrounds described first insulated tension pole and described second insulated tension pole part is full skirt shape, moved end and described first insulated tension pole of described breaker vacuum arc control device link, and the moved end of described isolating switch vacuum interrupter and described second insulated tension pole link; Described experiment terminal is located at the side of described isolating switch vacuum interrupter and is stretched out described can, and is electrically connected with the moved end of described isolating switch vacuum interrupter; Described first line seat and described second line seat are arranged symmetrically; And installing tri-station isolating switch in described isolating switch vacuum interrupter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420802301.1U CN204332808U (en) | 2014-12-17 | 2014-12-17 | Medium Voltage Switchgear pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420802301.1U CN204332808U (en) | 2014-12-17 | 2014-12-17 | Medium Voltage Switchgear pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204332808U true CN204332808U (en) | 2015-05-13 |
Family
ID=53169134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420802301.1U Active CN204332808U (en) | 2014-12-17 | 2014-12-17 | Medium Voltage Switchgear pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204332808U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106876209A (en) * | 2017-02-27 | 2017-06-20 | 厦门理工学院 | A kind of attachment means of VD4 vacuum medium voltage breaker contact arm and pole |
-
2014
- 2014-12-17 CN CN201420802301.1U patent/CN204332808U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106876209A (en) * | 2017-02-27 | 2017-06-20 | 厦门理工学院 | A kind of attachment means of VD4 vacuum medium voltage breaker contact arm and pole |
| CN106876209B (en) * | 2017-02-27 | 2019-01-25 | 厦门理工学院 | A kind of attachment device of VD4 vacuum medium voltage breaker contact arm and pole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee after: Beijing NARI yanhuayuan Power Technology Co. Ltd. Patentee after: State Grid Corporation of China Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Co-patentee before: Dianyan Huayuan Power Tech. Co., Ltd., Beijing Patentee before: State Grid Corporation of China |
|
| CP03 | Change of name, title or address |