CN113140423B - Three-phase common-box switch shell and isolated grounding combined switch - Google Patents
Three-phase common-box switch shell and isolated grounding combined switch Download PDFInfo
- Publication number
- CN113140423B CN113140423B CN202010060212.4A CN202010060212A CN113140423B CN 113140423 B CN113140423 B CN 113140423B CN 202010060212 A CN202010060212 A CN 202010060212A CN 113140423 B CN113140423 B CN 113140423B
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- 241000208199 Buxus sempervirens Species 0.000 title claims abstract description 56
- 230000007704 transition Effects 0.000 claims description 8
- 230000017525 heat dissipation Effects 0.000 abstract description 12
- 238000002955 isolation Methods 0.000 description 11
- 230000007246 mechanism Effects 0.000 description 9
- 239000004020 conductor Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/003—Earthing switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/52—Cooling of switch parts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/52—Cooling of switch parts
- H01H2009/526—Cooling of switch parts of the high voltage switches
Landscapes
- Gas-Insulated Switchgears (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention relates to a three-phase common-box switch shell and an isolated grounding combined switch. The three-phase common-box switch shell comprises: the axes of the three barrel parts are parallel and coplanar, and two adjacent barrel parts are radially communicated; the connecting part is used for connecting the adjacent barrel parts and comprises axial parts opposite to each other in the axial direction of the barrel parts and radial parts opposite to each other in the radial direction of the barrel parts, the radial parts extend along the axial direction of the barrel parts, the section of the radial parts perpendicular to the axial line of the barrel parts is a radial section, and the radial section is in a concave arc shape, so that the radial parts and the barrel parts form a wave structure. The arrangement of the wave structure increases the surface area of the three-phase common-box switch shell, improves the heat dissipation efficiency of the three-phase common-box switch shell, and the section of the radial part perpendicular to the axis of the cylinder body part is in an inward concave arc shape.
Description
Technical Field
The invention relates to a three-phase common-box switch shell and an isolated grounding combined switch.
Background
The isolation grounding combined switch is used as an important component of the GIS, and the miniaturization and integration degree are higher and higher. In order to improve the competitiveness of the products, three-phase common tank structures of high voltage level have been increased in recent years. The three-phase common-box switch equipment is internally provided with a three-phase conductor loop, the three-phase conductor loop causes high heat generation of the three-phase common-box switch equipment, the shell is large in size, and the miniaturized design is difficult.
When the GIS operates normally, the isolation grounding combined switch needs to bear and transmit certain current, the through-current performance is one of important performances of the isolation grounding combined switch, and the main factors affecting the through-current performance are the heating power of the internal conductor of the isolation grounding combined switch and the heat dissipation power of the shell. To improve the through-flow performance, on the one hand, the heat productivity of the conductor needs to be limited, and on the other hand, the heat dissipation efficiency is improved, and the heat conduction, the heat convection and the heat radiation are improved by mainly increasing the conductor size or replacing the conductor material with small resistivity. Increasing the conductor size or using a material with a small resistivity increases the cost of the isolated grounding combination switch, resulting in reduced product economy and applicability, while increasing the heat dissipation efficiency is conventionally done by increasing the surface area of the housing, such as a cylindrical housing that results in a larger housing size and thus a larger overall product size and volume.
Disclosure of Invention
The invention aims to provide a three-phase common-box switch shell, which solves the technical problems of large size and volume of a cylindrical shell in the prior art; the invention also aims to provide an isolated grounding combined switch, which solves the technical problem that the size and the volume of a cylindrical shell are large in the prior art, so that the size and the volume of a product are large.
The three-phase common-box switch shell adopts the following technical scheme: the three-phase common-box switch shell comprises: the cylinder body parts are provided with three, the axes of the three cylinder body parts are parallel and coplanar, and two adjacent cylinder body parts are radially communicated; the connecting part is used for connecting the adjacent barrel parts and comprises axial parts opposite to each other in the axial direction of the barrel parts and radial parts opposite to each other in the radial direction of the barrel parts, the radial parts extend along the axial direction of the barrel parts, the section of the radial parts perpendicular to the axial line of the barrel parts is a radial section, and the radial section is in a concave arc shape, so that the radial parts and the barrel parts form a wave structure, and the wall thickness of the shell is reduced.
The beneficial effects of the invention are as follows: the connecting part of the three-phase common-box shell comprises a radial part and an axial part, the radial part and the barrel part form a wave structure so as to increase the surface area of the three-phase common-box switch shell, improve the heat dissipation efficiency of the three-phase common-box switch shell, the adjacent barrel parts are connected through the connecting part, the section of the radial part perpendicular to the axis of the barrel part is in an inward concave arc shape, and compared with the cylindrical shell structure in the prior art, the three-phase common-box shell structure can reduce the size and the volume of the three-phase common-box switch shell; and under the condition of the same strength, the wall thickness of the three-phase common-box switch shell can be reduced by the arrangement of the wave structure, and consumable materials are reduced, so that the cost of the shell is reduced.
Further, the section of the axial part parallel to the axis of the barrel part is in a concave arc shape. The structure can increase the surface area of the three-phase common-box switch shell and improve the heat dissipation efficiency of the three-phase common-box switch shell.
Further, of the two opposite radial portions of the connecting portion, at least one radial portion has an arc radius of the radial cross section identical to the radius of the barrel portion. The structural stability of the three-phase common-box switch shell can be improved through the structural arrangement.
Further, each barrel part is provided with a moving contact connecting flange and a fixed contact connecting flange, the axis of the moving contact connecting flange is perpendicular to the axis of the fixed contact connecting flange, and the axis of the fixed contact connecting flange is coaxial with the axis of the barrel part. The structure is beneficial to reducing the occupied area of the whole three-phase common-box switch equipment.
Further, the moving contact connecting flange is integrally connected with the corresponding cylinder body part through a sleeve, and the sleeve is in arc transition connection with the radial part. The structure can increase the size of the moving contact connecting flange on the barrel body part, and is convenient for fixing and installing the moving contact assembly.
The isolated grounding combined switch adopts the following technical scheme: the utility model provides an isolated ground combined switch, includes the casing, and this casing is three-phase common case switch casing, and the casing includes: the cylinder body parts are provided with three, the axes of the three cylinder body parts are parallel and coplanar, and two adjacent cylinder body parts are radially communicated; the connecting part is used for connecting the adjacent barrel parts and comprises axial parts opposite to each other in the axial direction of the barrel parts and radial parts opposite to each other in the radial direction of the barrel parts, the radial parts extend along the axial direction of the barrel parts, the section of the radial parts perpendicular to the axial line of the barrel parts is a radial section, and the radial section is in a concave arc shape, so that the radial parts and the barrel parts form a wave structure, and the wall thickness of the shell is reduced.
The beneficial effects of the invention are as follows: in the shell of the isolated grounding combined switch, the connecting part comprises a radial part and an axial part, the radial part and the barrel part form a wave structure so as to increase the surface area of the shell and improve the heat dissipation efficiency of the shell, the adjacent barrel parts are connected through the connecting part, the section of the radial part perpendicular to the axis of the barrel part is in an inward concave arc shape, and compared with the cylindrical shell structure in the prior art, the shell structure of the isolated grounding combined switch can reduce the size and the volume of the shell, thereby reducing the size and the volume of the whole isolated grounding combined switch; and under the condition of the same strength, the wall thickness of the shell can be reduced by arranging the wave structure, and consumable materials are reduced, so that the cost of the shell is reduced.
Further, the section of the axial part parallel to the axis of the barrel part is in a concave arc shape. The structure can increase the surface area of the shell and improve the heat dissipation efficiency of the three-phase common-box switch shell.
Further, of the two opposite radial portions of the connecting portion, at least one radial portion has an arc radius of the radial cross section identical to the radius of the barrel portion. The structural stability of the shell can be improved through the structural arrangement.
Further, each barrel part is provided with a moving contact connecting flange, a fixed contact connecting flange and a grounding end connecting flange, the axis of the moving contact connecting flange is perpendicular to the axis of the fixed contact connecting flange, and the axis of the fixed contact connecting flange is coaxial with the axis of the barrel part. The structure is beneficial to reducing the occupied area of the whole isolated grounding combined switch.
Further, the moving contact connecting flange is integrally connected with the corresponding cylinder body part through a sleeve, and the sleeve is in arc transition connection with the radial part. The structure can increase the size of the moving contact connecting flange on the barrel body part, and is convenient for fixing and installing the moving contact assembly.
Drawings
FIG. 1 is a schematic view of a three-phase common-box switch housing of a rectangular parallelepiped structure in a cross-sectional structure perpendicular to the length direction thereof in the prior art;
FIG. 2 is a schematic cross-sectional view of a three-phase common-box switch housing of a cylindrical structure of the prior art, perpendicular to the axial direction thereof;
Fig. 3 is a schematic sectional structure view in the axial direction of the vertical cylinder portion of the three-phase common-box switch case of the isolated earth combined switch in embodiment 1 of the isolated earth combined switch of the present invention;
Fig. 4 is a schematic perspective view of an angle of a three-phase common box switch housing of the isolated earth combined switch in embodiment 1 of the isolated earth combined switch of the present invention;
Fig. 5 is a schematic perspective view of another angle of the three-phase common box switch housing of the isolated earth combined switch in embodiment 1 of the isolated earth combined switch of the present invention;
fig. 6 is a front view of a three-phase common box switch housing of the isolated ground combination switch of embodiment 1 of the isolated ground combination switch of the present invention;
FIG. 7 is a top view of the three-phase common box switch housing of FIG. 6;
FIG. 8 is a bottom view of the three-phase common box switch housing of FIG. 6;
FIG. 9 is a rear view of the three-phase common box switch housing of FIG. 6;
In fig. 1: 101-a three-phase common-box switch shell, 102-a moving contact connecting flange and 103-an operating mechanism connecting flange;
In fig. 2: 201-a three-phase common-box switch shell, 202-a moving contact connecting flange and 203-an operating mechanism connecting flange;
In fig. 3 to 9: the device comprises a cylinder body part, a moving contact connecting flange, a fixed contact connecting flange, a grounding end connecting flange, a 5-operating mechanism connecting flange, a first radial part, a second radial part, a sleeve 8 and an axial part 9.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the invention, i.e., the embodiments described are merely some, but not all, of the embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention.
It is noted that relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The features and capabilities of the present invention are described in further detail below in connection with the examples.
Specific embodiment 1 of the isolated ground combined switch of the present invention:
Before the isolation grounding combined switch of the invention is introduced, the isolation grounding combined switch in the prior art is briefly introduced: the isolation grounding combined switch in the prior art comprises a shell, as shown in fig. 1, the shell is a three-phase common-box switch shell 101, the whole three-phase common-box switch shell 101 is of a cuboid structure, three moving contact connecting flanges 102 with parallel axes are arranged on the three-phase common-box switch shell, an operating mechanism connecting flange 103 is further arranged on the three-phase common-box switch shell, and the axes of the operating mechanism connecting flanges 103 are perpendicular to the axes of the moving contact connecting flanges 102.
In the prior art, in order to improve the heat dissipation efficiency of the housing, the three-phase common-box switch housing 201 generally adopts a cylindrical structure, as shown in fig. 2, the moving contact connection flange 202 and the operating mechanism connection flange 203 are both protruded from the outer peripheral surface of the cylindrical structure, so as to increase the surface area of the three-phase common-box switch housing 201, but the size of the housing set by the cylindrical structure is larger, so that the size and volume of the whole isolation grounding combined switch and the whole GIS device are larger.
In order to reduce the overall size of the three-phase common-box switch shell, as shown in fig. 3 and 4, in the isolated grounding combined switch of the invention, the three-phase common-box switch shell is formed by arranging three cylinder parts 1 side by side, the adjacent cylinder parts 1 are connected through an axial part 9 and a radial part, the section of the radial part perpendicular to the axis of the cylinder part is in an inward concave arc shape, so that the radial part and the cylinder part 1 form a wave structure with an inward concave surface and an outward convex surface.
Specifically, in this embodiment, as shown in fig. 3 to 9, the isolated grounding combined switch includes a housing, which is a three-phase common-box switch housing, as shown in fig. 3 to 8, the housing includes three barrel portions 1, the three barrel portions 1 are sequentially arranged at intervals in the axial direction perpendicular to the barrel portions 1, the axes of the three barrel portions 1 are parallel and coplanar, and adjacent barrel portions 1 are penetrated in the radial direction of the barrel portions 1, so that the interiors of the three barrel portions 1 are communicated.
As shown in fig. 6 to 9, the housing further comprises a connecting portion connected between the adjacent barrel portions 1, the connecting portion comprising an axial portion 9 and a radial portion, the axial portion 9 and the radial portion being connected by an arc transition therebetween to form an annular structure between the adjacent barrel portions 1. Wherein the radial portions are arranged oppositely in the radial direction of the barrel portion 1 and extend in the axial direction of the barrel portion 1, and the axial portions 9 are arranged oppositely in the axial direction of the barrel portion 1.
In this embodiment, as shown in fig. 4 to 7, each barrel portion 1 is provided with a moving contact connection flange 2, a fixed contact connection flange 3 and a grounding end connection flange 4, the moving contact connection flange 2 is used for fixedly connecting a moving contact, the axes of the moving contact connection flanges 2 are arranged perpendicular to the axes of the barrel portions 1, the moving contact connection flanges 2 on the three barrel portions 1 face the same direction, the fixed contact connection flange 3 is used for fixedly connecting a fixed contact, the fixed contact connection flange 3 is arranged at one end of the barrel portion 1, the grounding end connection flange 4 is used for fixedly connecting a grounding terminal, and the grounding end connection flange 4 is arranged at the other end of the corresponding barrel portion 1. An operating mechanism connecting flange 5 facing the outside of the shell is arranged on the barrel part 1 positioned at the end part of the three barrel parts 1, and the operating mechanism connecting flange 5 is used for supporting and connecting an operating mechanism.
In this embodiment, as shown in fig. 3, the radial section perpendicular to the axis of the barrel portion 1 is a radial section, the radial section is in the shape of a concave arc recessed toward the inside of the barrel portion 1, and the radial section is in smooth transition connection with the barrel portion 1. The radial part comprises a first radial part 6 which is positioned on the same radial side of the barrel part 1 as the movable contact connecting flange 2, and also comprises a second radial part 7 which is arranged opposite to the movable contact connecting flange 2 in the radial direction of the barrel part 1, wherein the radius of the concave arc of the second radial part 7 is equal to the radius of the barrel part 1, so that the radial part and the barrel part 1 form a wave structure on the opposite side of the movable contact connecting flange 2, the wall thickness of the shell can be reduced and the material consumption of the shell can be reduced due to the arrangement of the wave structure under the same structural strength as the cylindrical shell in the prior art, thereby reducing the cost of the shell, and the stability of the wave structure strength can be improved due to the fact that the radius of the concave arc of the second radial part 7 is equal to the radius of the barrel part 1, and the stability of the whole shell structure is further improved.
In this embodiment, the surface area of the shell can be increased by the arrangement of the wave structure, the heat dissipation efficiency of the shell is improved, compared with the structure of the cylindrical shell in the prior art, the shell in this embodiment reduces the size and the volume of the shell, and then reduces the size and the volume of the whole isolation grounding combined switch, which is beneficial to realizing the miniaturization design of the isolation grounding combined switch.
In this embodiment, as shown in fig. 4 to 6 and fig. 9, the moving contact connecting flange 2 is integrally connected with the corresponding barrel portion 1 through the sleeve 8, and the sleeve 8 is in arc transition connection with the first radial portion 6, so as to increase the size of the moving contact connecting flange 2, and facilitate the fixing and mounting of the moving contact assembly.
In this embodiment, as shown in fig. 8, the cross section of the axial portion 9 parallel to the axis of the cylinder portion 1 is recessed toward the inside of the cylinder to form a concave arc shape, thereby increasing the outer surface of the housing and further improving the heat dissipation efficiency of the housing.
Specific embodiment 2 of the isolated ground combined switch of the present invention:
It differs from example 1 in that: in the connecting part, the section of the axial part parallel to the axis of the barrel part is of a straight structure, and the axial part is connected with the outer peripheral surface of the barrel part and the radial part through arc transition.
Specific embodiment 3 of the isolated ground combined switch of the present invention:
It differs from example 1 in that: the radius of the concave arc of the first radial part is equal to the radius of the cylinder part, so that the radial part and the cylinder part also form a wave structure on the same side of the moving contact connecting flange, the cost of the shell can be further reduced, the stability of the whole shell structure is improved, the heat dissipation efficiency of the shell is improved, and the miniaturization design of the isolation grounding combined switch is realized.
Specific embodiment 4 of the isolated ground combined switch of the present invention:
It differs from example 1 in that: on the cylinder part, the axial direction of the moving contact connecting flange is vertical to the axial direction of the fixed contact connecting flange, and the axial direction of the moving contact connecting flange is coaxial with the axial direction of the cylinder part.
Specific embodiments of the three-phase common-box switch housing of the present invention:
The three-phase common-box switch housing is used in the isolated grounding combined switch, and the specific structure of the three-phase common-box switch housing is the same as the structures of the housings in the above-mentioned isolated grounding combined switch in the specific embodiments 1 to 4, and will not be repeated here.
In other embodiments, the three-phase common-box switch housing may be a housing of an isolating switch, which is different from the three-phase common-box switch housing in that a grounding end connecting flange is not disposed in the housing for the isolating switch; or in other embodiments, the three-phase common-box switch shell can be used in a circuit breaker, and a grounding end connecting flange is not arranged in the three-phase common-box switch shell used in the circuit breaker; or in other embodiments, the three-phase common-box switch housing may be a housing of an isolated grounding switch and a housing of a fast grounding switch, where the isolated grounding switch and the housing of the fast grounding switch need to be adaptively modified based on the housing of the isolated grounding switch according to practical application requirements.
The above description is only a preferred embodiment of the present invention, and the patent protection scope of the present invention is defined by the claims, and all equivalent structural changes made by the specification and the drawings of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A three-phase common-box switch housing, comprising:
the cylinder body parts are provided with three, the axes of the three cylinder body parts are parallel and coplanar, and two adjacent cylinder body parts are radially communicated;
the connecting part is used for connecting the adjacent barrel parts and comprises axial parts opposite to each other in the axial direction of the barrel parts and radial parts opposite to each other in the radial direction of the barrel parts, the radial parts extend along the axial direction of the barrel parts, the section of the radial parts perpendicular to the axial line of the barrel parts is a radial section, and the radial section is in a concave arc shape, so that the radial parts and the barrel parts form a wave structure, and the wall thickness of the shell is reduced.
2. The three-phase common-box switch housing according to claim 1, wherein the axial portion has a concave arc shape in a cross section parallel to the axis of the cylinder portion.
3. The three-phase common-box switch housing according to claim 1, wherein the radius of the arc of the radial cross section of at least one radial portion is the same as the radius of the cylindrical portion in two opposite radial portions on the connection portion.
4. A three-phase common box switch housing according to any one of claims 1 to 3, wherein a moving contact connection flange and a fixed contact connection flange are provided on each barrel portion, the axis of the moving contact connection flange is arranged perpendicularly to the axis of the fixed contact connection flange, and the axis of the fixed contact connection flange is arranged coaxially with the axis of the barrel portion.
5. The three-phase common-box switch housing according to claim 4, wherein the moving contact connecting flange is integrally connected with the corresponding cylinder portion through a sleeve, and the sleeve is in arc transition connection with the radial portion.
6. An isolated ground combined switch, includes the casing, and this casing is three-phase common case switch casing, its characterized in that, the casing includes:
the cylinder body parts are provided with three, the axes of the three cylinder body parts are parallel and coplanar, and two adjacent cylinder body parts are radially communicated;
the connecting part is used for connecting the adjacent barrel parts and comprises axial parts opposite to each other in the axial direction of the barrel parts and radial parts opposite to each other in the radial direction of the barrel parts, the radial parts extend along the axial direction of the barrel parts, the section of the radial parts perpendicular to the axial line of the barrel parts is a radial section, and the radial section is in a concave arc shape, so that the radial parts and the barrel parts form a wave structure, and the wall thickness of the shell is reduced.
7. The isolated earth combination switch of claim 6, wherein the axial portion has a concave arc-shaped cross-section parallel to the axis of the barrel portion.
8. The isolated earth combined switch of claim 6, wherein the radial cross-section of at least one of the two opposing radial portions of the connecting portion has an arcuate radius that is the same as the radius of the barrel portion.
9. The isolated earth combination switch of any one of claims 6 to 8, wherein each barrel portion is provided with a moving contact connection flange, a fixed contact connection flange, and an earth connection flange, the axis of the moving contact connection flange is arranged perpendicularly to the axis of the fixed contact connection flange, and the axis of the fixed contact connection flange is arranged coaxially with the axis of the barrel portion.
10. The isolated ground combination switch of claim 9, wherein the moving contact connection flange is integrally connected to the corresponding barrel portion by a sleeve, the sleeve being in arc transition with the radial portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010060212.4A CN113140423B (en) | 2020-01-19 | 2020-01-19 | Three-phase common-box switch shell and isolated grounding combined switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010060212.4A CN113140423B (en) | 2020-01-19 | 2020-01-19 | Three-phase common-box switch shell and isolated grounding combined switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113140423A CN113140423A (en) | 2021-07-20 |
| CN113140423B true CN113140423B (en) | 2024-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010060212.4A Active CN113140423B (en) | 2020-01-19 | 2020-01-19 | Three-phase common-box switch shell and isolated grounding combined switch |
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| Country | Link |
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| CN (1) | CN113140423B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018086456A1 (en) * | 2016-11-14 | 2018-05-17 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Double-break isolating switch having grounding linkage |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB548307A (en) * | 1941-04-02 | 1942-10-06 | Reyrolle A & Co Ltd | Improvements in or relating to enclosed electric switchgear |
| FR2937176B1 (en) * | 2008-10-14 | 2010-12-03 | Areva T & D Ag | ELECTRIC SWITCHING APPARATUS FOR HIGH OR MEDIUM VOLTAGE OF TWO SWITCHES COMPRISING DRIVING MEANS COMMON TO THE MOBILE CONTACTS OF THE SWITCHES. |
| WO2011085820A1 (en) * | 2010-01-18 | 2011-07-21 | Abb Technology Ag | Encapsulation component having isolating switches for a gas-isolated switchgear |
| KR200472373Y1 (en) * | 2012-11-01 | 2014-04-22 | 엘에스산전 주식회사 | Bus structure of common three-pole gis |
| CN105514854B (en) * | 2015-12-03 | 2018-03-23 | 国家电网公司 | Integrated bus bar canister and the GIS device using the integrated bus bar canister |
| CN206060123U (en) * | 2016-08-31 | 2017-03-29 | 江苏华江科技有限公司 | A kind of GIS big openings reducing three-phase non-segregated bus housing |
| CN108075382A (en) * | 2016-11-15 | 2018-05-25 | 江苏华江科技有限公司 | A kind of GIS Threephase common-boxes maintenance earthing switch housing |
| CN207068738U (en) * | 2017-08-08 | 2018-03-02 | 山东迅康电气有限公司 | A kind of three-phase combined type GIS welding shells three station isolation ground connection stacked switch |
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2020
- 2020-01-19 CN CN202010060212.4A patent/CN113140423B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018086456A1 (en) * | 2016-11-14 | 2018-05-17 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Double-break isolating switch having grounding linkage |
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| CN113140423A (en) | 2021-07-20 |
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