CN104269316B - Pole and the solid insulation ring main unit using the pole - Google Patents
Pole and the solid insulation ring main unit using the pole Download PDFInfo
- Publication number
- CN104269316B CN104269316B CN201410457277.7A CN201410457277A CN104269316B CN 104269316 B CN104269316 B CN 104269316B CN 201410457277 A CN201410457277 A CN 201410457277A CN 104269316 B CN104269316 B CN 104269316B
- Authority
- CN
- China
- Prior art keywords
- arc
- connection seat
- switch
- insulator
- breaker
- 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.)
- Active
Links
- 238000009413 insulation Methods 0.000 title claims abstract description 33
- 239000007787 solid Substances 0.000 title claims abstract description 24
- 239000012212 insulator Substances 0.000 claims abstract description 55
- 230000003068 static effect Effects 0.000 claims abstract description 12
- 238000005266 casting Methods 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims description 34
- 239000002184 metal Substances 0.000 claims description 34
- 239000004033 plastic Substances 0.000 claims description 21
- 229920003023 plastic Polymers 0.000 claims description 21
- 239000000428 dust Substances 0.000 claims description 20
- 239000003822 epoxy resin Substances 0.000 claims description 10
- 229920000647 polyepoxide Polymers 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 6
- 238000007711 solidification Methods 0.000 claims description 4
- 230000008023 solidification Effects 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 claims description 2
- 239000002344 surface layer Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000005684 electric field Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- H01H33/6606—Terminal arrangements
-
- 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
- H01H33/66261—Specific screen details, e.g. mounting, materials, multiple screens or specific electrical field considerations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
Solid insulation ring main unit the present invention relates to pole and using the pole, pole includes insulator, the switch arc-chutes and arc-extinguishing chamber of circuit breaker arranged up and down are provided with insulator, the switch wire connection seat being connected with switching the static side of arc-chutes is provided with insulator, the breaker connection seat being connected with the static side of arc-extinguishing chamber of circuit breaker, switch wire connection seat and the setting symmetrical above and below of breaker connection seat are provided with insulator.Switch wire connection seat and the setting symmetrical above and below of breaker connection seat, after structure symmetrical above and below, the normal use of switch wire connection seat and breaker connection seat is not interfered with after pole upset 180 degree, when needing disconnecting switch being arranged at below breaker when needing disconnecting switch to change position, only need to can be used pole upset 180 degree, pole is poured into a mould again without the use of other insulator casting molds, the versatility of pole is good, goes for using in different ring main units.
Description
Technical field
Solid insulation ring main unit the present invention relates to pole and using the pole.
Background technology
In high-tension switch gear such as in ring main unit, if by arc-chutes and disconnecting switch exposure in atmosphere, easily
The problem of in the presence of by the dust in the external world, moisture contamination, in order to avoid the influence of external environment condition, while improve the insulation of corresponding component
Performance is, it is necessary to which arc-chutes, the disconnecting switch conductive pieces sealing related to breaker is easily solidified epoxy resin is this kind of
Pole is formed in solid insulating material, makes the part of an entirety, referred to as pole, uses this pole
Ring main unit is referred to as solid insulation ring main unit.
Existing solid insulation ring main unit " a kind of solid insulation ring main unit " as disclosed in Chinese patent CN103166143A,
The solid insulation ring main unit includes cabinet and the pole that is arranged on cabinet, and pole includes insulator, in insulator
The first cavity and the second cavity being arranged side by side are provided with, the first cavity, the axial side of the second cavity are provided with the 3rd cavity,
The arc-extinguishing chamber of circuit breaker of breaker is placed in the first cavity, and the switch arc-chutes of disconnecting switch are placed in the second cavity, breaker
Insulating pull rod for breaker and the switch insulation pull bar of disconnecting switch be placed in the 3rd cavity, arc-extinguishing chamber of circuit breaker, switch arc extinguishing
One end that the 3rd cavity is closed in room is conductively connected by flexible link, arc-extinguishing chamber of circuit breaker, the other end difference for switching arc-chutes
It is provided with the orthogonal breaker connection seat of bearing of trend and arc-chutes junction block.Asked existing for existing this pole
Topic is：1st, breaker connection seat and arc-chutes junction block take orthogonal unsymmetric structure, cause breaker and isolation
The installation site switched in ring main unit is fixed, such as in some specific ring main unit, breaker and disconnecting switch
Setting up and down, making the mould of the insulator of the pole can use, when in another ring main unit, it is necessary to which breaker is set
When being placed in below disconnecting switch, due to the asymmetric setting of breaker connection seat and arc-chutes junction block, cause the logical of insulator
Not strong with property, i.e., other insulator must be used to make mould just can be so that this can increase the cost of manufacture of product；2nd, solid knot
The insulator of structure can also waste substantial amounts of mould material, increase the cost of product；3rd, the cavity wall of the 3rd cavity is that straight cavity wall causes
The creep age distance of product is limited, can only increase the creep age distance of product by the length of the 3rd cavity of increase, this can cause to produce
The physical dimension of product is larger, and the miniaturization for being unfavorable for pole and ring main unit makes；4th, in order to reduce the use of mould material
Amount, the cross sectional shape of the 3rd vestibule is rectangle, and this, which is resulted in, to set gold in the flexible link periphery of easy point discharge
Belong to radome, because metallic shield is readily processible to revolution shape, and the radome of the irregular shape of non-revolved body adds
Work is difficult, high processing costs, and this, which allows for product, can not only use shield technology, can not avoid point discharge problem.
The content of the invention
It is an object of the invention to provide a kind of pole, to solve in the prior art because breaker connection seat, going out
The vertical asymmetric setting of arc chamber junction block and the problem of cause pole poor universality；The present invention also aims to provide one
Kind uses the solid insulation ring main unit of the pole.
In order to solve the above problems, the technical scheme of solid insulation ring main unit is in the present invention：
Solid insulation ring main unit, including cabinet and the pole that sets thereon, pole include insulator, insulator
The switch arc-chutes and arc-extinguishing chamber of circuit breaker arranged up and down are inside provided with, the static side phase with switching arc-chutes is provided with insulator
Switch wire connection seat even, the breaker connection seat being connected with the static side of arc-extinguishing chamber of circuit breaker, switch wire connection are provided with insulator
Seat and the setting symmetrical above and below of breaker connection seat.
In the insulator material reducing hole is provided between the switch arc-chutes, arc-extinguishing chamber of circuit breaker.
It is provided with the insulator on the right side of the switch arc-chutes, arc-extinguishing chamber of circuit breaker for accommodating respective switch
The 3rd cavity extended in left-right direction of insulated tension pole, insulating pull rod for breaker, in the cavity wall of the 3rd cavity in left-right direction
It is arranged at intervals with multi-turn and the integrally formed insulation convex edge of insulator.
Switch and connected between the right-hand member of arc-chutes and the right-hand member of arc-extinguishing chamber of circuit breaker by flexible link, in institute on insulator
The periphery for stating flexible link is installed with radome, and radome includes plastic body and solidified with plastic body cast into a single integrated structure
Metal dust, metal dust electrically connects with flexible link.
Connected between switch arc-chutes and the right-hand member of arc-extinguishing chamber of circuit breaker by busbar, offer on busbar and supply respectively
The perforation that switch arc-chutes, the moved end of arc-extinguishing chamber of circuit breaker slide through.
The technical scheme of pole is in the present invention：
Pole, including insulator, the switch arc-chutes and arc-extinguishing chamber of circuit breaker arranged up and down are provided with insulator,
The switch wire connection seat that is connected of static side with switching arc-chutes is provided with insulator, is provided with insulator and arc-extinguishing chamber of circuit breaker
The connected breaker connection seat of static side, switch wire connection seat and the setting symmetrical above and below of breaker connection seat.
In the insulator material reducing hole is provided between the switch arc-chutes, arc-extinguishing chamber of circuit breaker.
It is provided with the insulator on the right side of the switch arc-chutes, arc-extinguishing chamber of circuit breaker for accommodating respective switch
The 3rd cavity extended in left-right direction of insulated tension pole, insulating pull rod for breaker, in the cavity wall of the 3rd cavity in left-right direction
It is arranged at intervals with multi-turn and the integrally formed insulation convex edge of insulator.
It is installed with insulator for covering at the outer of the flexible link between switch arc-chutes, arc-extinguishing chamber of circuit breaker right-hand member
The radome enclosed, radome include plastic body and solidify into a single integrated structure metal dust, metal powder with plastic body cast
End electrically connects with flexible link.
Connected between switch arc-chutes and the right-hand member of arc-extinguishing chamber of circuit breaker by busbar, offer on busbar and supply respectively
The perforation that switch arc-chutes, the moved end of arc-extinguishing chamber of circuit breaker slide through.
Beneficial effects of the present invention are：Switch wire connection seat and the setting symmetrical above and below of breaker connection seat, use are symmetrical above and below
After structure, the normal use of switch wire connection seat and breaker connection seat is not interfered with after pole upset 180 degree, when need every
When leaving pass change position such as needing disconnecting switch being arranged at below breaker, it is only necessary to which pole is overturn into 180 degree
It can be used, pole poured into a mould again without the use of other insulator casting molds, the versatility of pole
It is good, go for using in different ring main units.
Brief description of the drawings
Fig. 1 be solid insulation ring main unit of the present invention embodiment 1 in pole structural representation；
Fig. 2 is A-A in Fig. 1 to sectional view；
Fig. 3 is the structural representation of the radome in Fig. 1；
Fig. 4 is Fig. 3 top view；
Fig. 5 is Fig. 3 B-B direction sectional view；
Fig. 6 be solid insulation ring main unit of the present invention embodiment 2 in pole structural representation.
Embodiment
The implementation of solid insulation ring main unit is for example shown in Fig. 1 ~ 5：Including cabinet（Not shown in figure）And what is set thereon consolidates
Sealed pole, pole include the insulator 1 that is made up of epoxy resin, be provided with insulator the first cavity for arranging up and down and
Second cavity, switch arc-chutes 8 are provided with the first cavity, are provided with arc-extinguishing chamber of circuit breaker 6 in the second cavity, in insulator in
The vertically extending switch wire connection seat receiving hole connected with the first cavity, switch wire connection are provided with the left of first cavity
Switch wire connection seat 9 is provided with seat receiving hole, switch wire connection seat 9 is connected with switching the static side of arc-chutes 8；In second in insulator
The vertically extending breaker connection seat receiving hole connected with the second cavity, breaker connection are provided with the left of cavity
Breaker connection seat 10 is provided with seat receiving hole, breaker connection seat 10 is connected with the static side of arc-extinguishing chamber of circuit breaker 6, and switch connects
Line seat and the setting symmetrical above and below of breaker connection seat, switch wire connection seat are coaxially set with breaker connection seat.In insulator in
Material reducing hole 12 is provided between first cavity and the second cavity.It is provided with insulator on the right side of the first cavity, the second cavity
3rd cavity 14, multi-turn and the integrally formed insulation convex edge of insulator are arranged at intervals with left-right direction in the cavity wall of the 3rd cavity
13, insulation convex edge can increase the creep age distance of product, so as to reduce the length of the 3rd cavity, to reduce the entirety of product
Size, the switch insulation pull bar 5 of disconnecting switch and the insulating pull rod for breaker 4 of breaker are located at 14 in the 3rd cavity, and switch is exhausted
The moved end of edge pull bar 5 and insulating pull rod for breaker 4 respectively with switch arc-chutes 8 and arc-extinguishing chamber of circuit breaker 6 is connected, and switchs arc extinguishing
Room, arc-extinguishing chamber of circuit breaker right-hand member between be conductively connected by flexible link 2, the periphery on insulator in flexible link is covered with
Radome 15, radome include plastic body and solidify into a single integrated structure metal dust, metal dust with plastic body cast
For aluminium powder（Iron powder or other metal dusts）Though the radome formed by metal dust and plastic pouring solidification has larger electricity
Resistance, but conducting screen shield effectiveness can be realized, the end 17 of radome uses round and smooth spherical structure, prevents point discharge, Gu
Sealed pole also includes solidifying into a single integrated structure metal insert 18 with plastic body upper, metal insert be used for by shielding part
I.e. flexible link 2 is reliably connected, and the metal dust in plastic body is conductively connected by metal insert 18 with flexible link, shielding
Fabrication hole 16 is offered on the cover body wall of cover, fabrication hole is available for epoxy resin to flow through to ensure that epoxy resin and radome cast are solid
Make radome and epoxy resin reliable connection during change.The surface of epoxy resin scribbles ground plane, can touch, and security is good, gold
The ground plane of categoryization can avoid alternate short trouble, safe.Figure middle term 3 represents plain cushion, spring washer；Item 7 represents
The earth terminal of disconnecting switch；Item 11 represents conductive cushion blocks.
In use, radome elder generation moulding by casting, plastics, metal dust and metal insert solidification are into a single integrated structure during cast,
Using plastics and the radome of metal dust moulding by casting, radome is easy to be molded into any shape as needed, such as
The square structure used in the present embodiment, radome plays a part of the local sophisticated electric field of shielding, so as to improve pole
Integral insulation it is horizontal, arc-extinguishing chamber of circuit breaker, switch arc-chutes, breaker connection seat, switch wire connection seat and radome are fixed on
In corresponding casting mold, then it is integrated with poured with epoxy resin, after injection forming to be poured, layer of metal ground connection is sprayed on surface
Layer, then insulating pull rod for breaker, the assembling of switch insulation pull bar are passed through between the moved end of corresponding arc-chutes, two arc-chutes
Flexible link connects to form complete galvanic circle, the moved end of arc-extinguishing chamber of circuit breaker, the moved end for switching arc-chutes and flexible link
Tip be in radome, radome will play a part of the sophisticated electric field of shielding, so as to improve pole it is overall absolutely
Edge is horizontal, reaches shield effectiveness；The material reducing hole set between first cavity and the second cavity can reduce the use of epoxy resin
Amount, contribute to the further cost of manufacture for reducing product；Breaker connection seat is arranged symmetrically with switch wire connection seat so that when need
When wanting the disconnecting switch to be located at below breaker, directly pole upset 180 degree can be used, the versatility of pole is big
Big enhancing, while also make the layout inside ring main unit compacter；Insulation convex edge in the cavity wall of 3rd cavity can increase solid
The creep age distance of sealed pole, so as to effectively reduce the length of the 3rd cavity, and then reduce the size of product.
In the other embodiments of this solid insulation epoxy cabinet：Material reducing hole can not also be set；Switch wire connection seat and breaker
Junction block can also be set in left-right direction；Fabrication hole on radome can not also be set；Metal insert on radome
It can not set, now need to set others to realize metal dust and the conducting by shielding part to connector.
The embodiment 2 of solid insulation ring main unit is as shown in Figure 6：Embodiment 2 as different from Example 1, breaker arc extinguishing
The right-hand member of room connects with the right-hand member of switch arc-chutes not by flexible link, but is connected by busbar 20, on busbar
The perforation slid through respectively for switch arc-chutes, the moved end of arc-extinguishing chamber of circuit breaker is offered, watchband-shaped contactor is provided with perforation,
Coordinated by the sliding conduction of busbar and switch arc-chutes, the moved end of arc-extinguishing chamber of circuit breaker to realize switch arc-chutes, open circuit
Conducting between device arc-chutes, because the point discharge position of busbar is few, therefore radome need not be set.
The implementation of pole is for example shown in Fig. 1 ~ 6：The concrete structure of pole and above-mentioned each solid insulation ring main unit
Pole described in embodiment is identical, will not be described in detail herein.
Claims (6)
1. solid insulation ring main unit, including cabinet and the pole that sets thereon, pole includes insulator, in insulator
The switch arc-chutes and arc-extinguishing chamber of circuit breaker arranged up and down are provided with, is provided with insulator and is connected with switching the static side of arc-chutes
Switch wire connection seat, be provided with the breaker connection seat being connected with the static side of arc-extinguishing chamber of circuit breaker in insulator, it is characterised in that：
Switch wire connection seat and the setting symmetrical above and below of breaker connection seat, insulator is interior to be held provided with vertically extending switch wire connection seat
Receive hole, the switch wire connection seat is provided with switch wire connection seat receiving hole, vertically extending open circuit is provided with insulator
Device junction block receiving hole, be provided with the breaker connection seat in breaker connection seat receiving hole, switch the moved ends of arc-chutes with
Connected between the moved end of arc-extinguishing chamber of circuit breaker by flexible link, shielding is installed with the periphery of the flexible link on insulator
Cover, radome include plastic body and solidify into a single integrated structure metal dust, metal dust and soft company with plastic body cast
Fitting is electrically connected, and the metal insert for realizing that metal dust is conductively connected with the flexible link, switch are installed with plastic body
Junction block is coaxially set with breaker connection seat, in use, radome elder generation moulding by casting, plastics during cast, metal dust and
Metal insert solidification is into a single integrated structure, and using plastics and the radome of metal dust moulding by casting, radome is easy to be molded into institute
The shape needed, arc-extinguishing chamber of circuit breaker, switch arc-chutes, breaker connection seat, switch wire connection seat and radome are fixed on accordingly
In casting mold, then it is integrated with poured with epoxy resin, after injection forming to be poured, layer of metal ground plane is sprayed on surface, so
Insulating pull rod for breaker, the assembling of switch insulation pull bar are being corresponded into the moved end of arc-chutes afterwards, the end of radome is using round and smooth
Spherical structure.
2. solid insulation ring main unit according to claim 1, it is characterised in that：In the switch arc extinguishing in the insulator
Material reducing hole is provided between room, arc-extinguishing chamber of circuit breaker.
3. solid insulation ring main unit according to claim 1, it is characterised in that：In the switch arc extinguishing in the insulator
Be provided with the right side of room, arc-extinguishing chamber of circuit breaker for accommodate respective switch insulated tension pole, insulating pull rod for breaker along right and left
To the 3rd cavity of extension, it is integrally formed absolutely with insulator that multi-turn is arranged at intervals with the cavity wall of the 3rd cavity in left-right direction
Edge convex edge.
4. pole, including insulator, the switch arc-chutes and arc-extinguishing chamber of circuit breaker arranged up and down are provided with insulator, absolutely
The switch wire connection seat being connected with switching the static side of arc-chutes is provided with edge body, is provided with and arc-extinguishing chamber of circuit breaker in insulator
The connected breaker connection seat of static side, it is characterised in that：Switch wire connection seat and the setting symmetrical above and below of breaker connection seat, insulator
It is interior to be provided with vertically extending switch wire connection seat receiving hole, it is provided with the switch wire connection in switch wire connection seat receiving hole
Seat, insulator is interior to be provided with vertically extending breaker connection seat receiving hole, is provided with breaker connection seat receiving hole
The breaker connection seat, it is installed with insulator soft between switch arc-chutes, arc-extinguishing chamber of circuit breaker moved end for covering at
The peripheral radome of connector, radome include plastic body and solidify into a single integrated structure metal powder with plastic body cast
End, metal dust electrically connect with flexible link, are installed with plastic body and realize that metal dust is conductive even with the flexible link
The metal insert connect, switch wire connection seat are coaxially set with breaker connection seat, in use, radome elder generation moulding by casting, cast
When plastics, metal dust and metal insert solidification it is into a single integrated structure, using plastics and the radome of metal dust moulding by casting, screen
Cover cover and be easy to be molded into required shape, arc-extinguishing chamber of circuit breaker, switch arc-chutes, breaker connection seat, switch wire connection seat and
Radome is fixed in corresponding casting mold, is then integrated with poured with epoxy resin, and after injection forming to be poured, one is sprayed on surface
Layer metal ground plane, insulating pull rod for breaker, the assembling of switch insulation pull bar are then being corresponded into the moved end of arc-chutes, radome
End uses round and smooth spherical structure.
5. pole according to claim 4, it is characterised in that：In switch arc-chutes, disconnected in the insulator
Material reducing hole is provided between the device arc-chutes of road.
6. pole according to claim 4, it is characterised in that：In switch arc-chutes, disconnected in the insulator
The extension in left-right direction for accommodating respective switch insulated tension pole, insulating pull rod for breaker is provided with the right side of the device arc-chutes of road
The 3rd cavity, multi-turn is arranged at intervals with the cavity wall of the 3rd cavity in left-right direction and the integrally formed insulation of insulator is convex
Edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410457277.7A CN104269316B (en) | 2014-09-10 | 2014-09-10 | Pole and the solid insulation ring main unit using the pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410457277.7A CN104269316B (en) | 2014-09-10 | 2014-09-10 | Pole and the solid insulation ring main unit using the pole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104269316A CN104269316A (en) | 2015-01-07 |
| CN104269316B true CN104269316B (en) | 2018-03-02 |
Family
ID=52160828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410457277.7A Active CN104269316B (en) | 2014-09-10 | 2014-09-10 | Pole and the solid insulation ring main unit using the pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104269316B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6933598B2 (en) * | 2018-03-19 | 2021-09-08 | 株式会社日立産機システム | Solid insulation type vacuum switch |
| CN112736708B (en) * | 2020-12-30 | 2023-03-21 | 湖南平高开关有限公司 | Box transformer substation capable of avoiding internal arcing fault risk |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201352894Y (en) * | 2008-11-07 | 2009-11-25 | 南通芯迎设计服务有限公司 | Electromagnetic shielding shell |
| 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 |
| CN103166143A (en) * | 2012-12-24 | 2013-06-19 | 刘晓颖 | Solid dead ring main unit |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19502062A1 (en) * | 1995-01-13 | 1996-07-18 | Siemens Ag | Contact piece for encapsulated MV switch appts. |
| CN202678199U (en) * | 2012-07-23 | 2013-01-16 | 庞新显 | A high-voltage vacuum circuit breaker on an outdoor column |
| CN102882148B (en) * | 2012-10-23 | 2016-08-03 | 福建中能电气股份有限公司 | A kind of solid insulation switch |
| CN204067176U (en) * | 2014-09-10 | 2014-12-31 | 平高集团有限公司 | A kind of pole and use the solid insulation ring main unit of this pole |
-
2014
- 2014-09-10 CN CN201410457277.7A patent/CN104269316B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201352894Y (en) * | 2008-11-07 | 2009-11-25 | 南通芯迎设计服务有限公司 | Electromagnetic shielding shell |
| 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 |
| CN103166143A (en) * | 2012-12-24 | 2013-06-19 | 刘晓颖 | Solid dead ring main unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104269316A (en) | 2015-01-07 |
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