CN110931304A - Integrated insulation switch isolation support for environment-friendly inflatable cabinet - Google Patents
Integrated insulation switch isolation support for environment-friendly inflatable cabinet Download PDFInfo
- Publication number
- CN110931304A CN110931304A CN201911385453.XA CN201911385453A CN110931304A CN 110931304 A CN110931304 A CN 110931304A CN 201911385453 A CN201911385453 A CN 201911385453A CN 110931304 A CN110931304 A CN 110931304A
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- CN
- China
- Prior art keywords
- station
- isolation
- conductor
- environment
- support
- 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.)
- Pending
Links
- 238000002955 isolation Methods 0.000 title claims abstract description 57
- 238000009413 insulation Methods 0.000 title claims abstract description 33
- 239000004020 conductor Substances 0.000 claims abstract description 31
- 238000009434 installation Methods 0.000 claims abstract description 19
- 230000003068 static effect Effects 0.000 claims description 29
- 238000005192 partition Methods 0.000 claims description 13
- 230000017525 heat dissipation Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 10
- 125000006850 spacer group Chemical group 0.000 description 5
- 230000016507 interphase Effects 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
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- 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
- H01H1/00—Contacts
- H01H1/62—Heating or cooling of contacts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/64—Protective enclosures, baffle plates, or screens for contacts
-
- 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
- H01H31/023—Base and stationary contacts mounted thereon
-
- 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
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention discloses an integrated insulation switch isolation support for an environment-friendly gas-filled cabinet, which belongs to the technical field of distribution equipment and comprises an insulation piece body, wherein a connection station and an isolation station are arranged on the insulation piece body, the lower end of the connection station is connected to the middle of the isolation station, an installation embedded element is arranged on the connection station, an annular contact finger is arranged in the installation embedded element, the isolation station is in a hollow vertical cylindrical shape, a conductor is arranged in the isolation station, the conductor vertically penetrates through the whole isolation station, the lower end of the conductor is arranged in a vacant mode, and the height of the upper end of the connection station is consistent with that of the upper. The invention has the advantages of novel structure, ingenious conception, stable structure, reliable insulation, good heat dissipation effect, simple structure, complete functions, small volume, high reliability and low cost.
Description
Technical Field
The invention relates to the technical field of distribution equipment, in particular to an integrated insulation switch isolation support for an environment-friendly gas-filled cabinet.
Background
With the continuous progress of science and technology, the requirements of human beings on power distribution products are higher and higher, and the development direction of switch equipment is formed by environmental protection, energy conservation, intelligence, maintenance-free, high reliability, low cost and the like. Under such a background, the environmental-friendly gas-filled cabinet becomes one of the main development directions. The environmental-friendly gas-filled cabinet completely cancels SF in the structural principle6Gas, but dry air or N2Gas and other environment-friendly gases, and the advantage of full insulation and full sealing of the gas-filled cabinet is kept. The isolating switch is one of the most important elements, the existing isolating switch of the 40.5kV environment-friendly type gas-filled cabinet adopts communicated and isolated static supports to be respectively arranged on an insulating support member which is grounded, so that the reliability of an isolated fracture is ensured, but the requirement on assembling and positioning is high, and the deformation of a gas-filled compartment can influence the positioning, so that the action of the three-position switch is difficult, the loop resistance is high, and the reliability is reduced; the insulation structure of the lapping surface of the isolating switch and the bus adopts interphase insulation partition plates, so that the installation is inconvenient and the insulation is unreliable. Therefore, a large-current integrated isolating switch insulating support for an environment-friendly inflatable cabinet is needed to solve the problems of difficult assembly and debugging of an isolating switch main loop, insufficient heat dissipation, unreliable insulation and the like in the existing environment-friendly inflatable cabinet.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art and provides an integrated insulation switch isolation support for an environment-friendly gas-filled cabinet.
The technical problem to be solved by the invention is realized by the following technical scheme:
the utility model provides an environment-friendly aerifys integral type isolator isolating support for cabinet, includes the insulating part body, is provided with the switch-on station on the insulating part body and keeps apart the station, and the lower extreme of switch-on station is connected to the middle part of keeping apart the station, the switch-on station is provided with the installation and embeds the piece, sets up cyclic annular in the installation and touches the finger, keep apart the station and be hollow vertical tube-shape, built-in conductor, the conductor is vertical to run through whole isolation station, and the conductor lower extreme is vacant, switch-on station upper end and isolation station upper end highly uniform.
In the invention, a spacer ring is concentrically sleeved outside the conductor, the spacer ring is positioned in the middle of the conductor, a mounting embedding element is arranged outside the spacer ring, and the spacer ring is connected with the mounting embedding element outside the spacer ring through a connecting conductor and is grounded through the mounting embedding element.
Furthermore, the lower end of the connecting station is provided with a mounting embedded element, and the mounting embedded element at the lower end of the connecting station is grounded.
Furthermore, the connection station and the isolation station are of an integrated structure, and the installation embedding element, the conductor, the isolation ring and the connecting conductor are all encapsulated into the insulation element body structure through pouring.
In the invention, a switch-on static support is arranged above the switch-on station, supports a switch-on static contact, and is in contact with an annular contact finger, and the switch-on static contact comprises a semi-surrounding type partition plate, one side surface adjacent to the isolation station is released, and the other three sides are blocked.
In the invention, an isolation static support is arranged above the isolation station, supports an isolation static contact, and is in contact with the conductor, and the isolation static support comprises a U-shaped partition plate, two side faces adjacent to and opposite to the switch-on station are released, and the other two side faces block the U-shaped partition plate.
Compared with the prior art, the invention has novel structure and ingenious conception, adopts an integrated structure, simultaneously supports the contact static support at the connection and isolation positions, and has stable structure and reliable insulation; the connecting station and the isolating station are provided with the partition plates, so that the heat dissipation area is increased; the design of the isolating ring effectively and clearly induces the generation of static electricity; the height of the isolation station is consistent with that of the support station, so that the switch-on static contact and the isolation static contact are coaxial, the moving contact is ensured to act reliably, the adjustment is reduced, and the clamping is avoided; the whole structure is simple, the function is complete, the volume is small, the reliability is high, and the cost is low.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a bottom view of FIG. 1;
FIG. 3 is a schematic cross-sectional view of FIG. 2;
fig. 4 is a schematic diagram of an application state of the present invention.
In the figure: the device comprises an insulator body 1, an annular contact finger 2, a conductor 3, a mounting embedding element 4, an isolating ring 5, a connecting conductor 6, a switch-on static contact 7, an isolating static contact 8 and a moving contact 9.
Detailed Description
The invention is further described below with reference to the drawings and specific preferred embodiments of the description, without thereby limiting the scope of protection of the invention.
Referring to fig. 1-4, the integrated insulation switch isolation bracket for the environment-friendly inflatable cabinet comprises an insulation member body 1, wherein a connection station and an isolation station are arranged on the insulation member body 1, the lower end of the connection station is connected to the middle of the isolation station, the connection station is provided with two installation embedding elements 4, annular contact fingers 2 are respectively arranged in the installation embedding elements 4, the installation embedding elements 4 are arranged at the lower end of the connection station, and the installation embedding elements 4 at the lower end of the connection station are grounded; the isolation station is hollow and vertical and cylindrical, a conductor 3 is arranged in the isolation station, the conductor 3 vertically penetrates through the isolation station, the lower end of the conductor 3 is vacant, an isolation ring 5 is concentrically sleeved outside the conductor 3, the isolation ring 5 is positioned in the middle of the conductor 3, an installation embedding element 4 is arranged outside the isolation ring 5, the isolation ring 5 is connected with the installation embedding element 4 outside the isolation ring 5 through a connecting conductor 6, and the isolation ring 5 is grounded through the installation embedding element 4; the upper end of the connecting station is consistent with the upper end of the isolating station in height, the connecting station and the isolating station are of an integrated structure, and the installation embedding element 4, the conductor 3, the isolating ring 5 and the connecting conductor 6 are all encapsulated into the insulating element body 1 through pouring.
A switching-on static support is arranged above the switching-on station, supports a switching-on static contact 7, comprises a semi-surrounding type partition plate, and is released from one side surface adjacent to the isolation station, and blocked from the other three side surfaces; an isolation static support is arranged above the isolation station, supports an isolation static contact 8 and comprises a U-shaped partition plate, two side faces adjacent to and opposite to the connection station are released, the other two side faces are blocked, and the connection static contact 7 and the isolation static contact 8 are coaxially arranged.
The moving contact moves between a switching-on station and an isolating station, when the moving contact moves to the switching-on station and is in contact with a switching-on static contact 7, the electric loop is switched on through the annular contact finger 2, and when the moving contact moves to the isolating station and is in contact with an isolating static contact 8 and completely leaves the switching-on static contact 7, the electric loop is switched off.
The transverse part of the partition plate structure of the switching-on station ensures interphase insulation between the buses, the vertical part ensures relative insulation between the buses and the rear side plate of the air chamber, and meanwhile, the partition plate structure also increases the heat dissipation area of the switching-on static contact and increases the heat dissipation capacity of the contact; the vertical partition plate structure of the isolation station not only ensures the phase insulation between the buses, but also ensures the relative insulation between the buses and the side plates of the air chamber, and simultaneously, the partition plate structure also increases the heat dissipation area of the isolation static contact and increases the heat dissipation capacity of the contact.
Therefore, by combining the structure and the using process, the integrated insulation switch isolation bracket for the environment-friendly inflatable cabinet is novel in structure, ingenious in conception, stable in structure, reliable in insulation, good in heat dissipation effect, simple in structure, complete in function, small in size, high in reliability and low in cost.
Claims (6)
1. The utility model provides an environment-friendly aerifys cabinet and keeps apart support with integral type insulation switch which characterized in that: the insulation piece comprises an insulation piece body, wherein a connection station and an isolation station are arranged on the insulation piece body, the lower end of the connection station is connected to the middle of the isolation station, an installation embedding piece is arranged on the connection station, an annular contact finger is arranged in the installation embedding piece, the isolation station is in a hollow vertical cylindrical shape, a conductor is arranged in the isolation station, the conductor vertically penetrates through the whole isolation station, the lower end of the conductor is vacant, and the height of the upper end of the connection station is consistent with that of the upper end of the isolation station.
2. The environment-friendly type aerifys cabinet and uses integral type insulation switch isolation support of claim 1, characterized in that: the isolating ring is concentrically sleeved outside the conductor, is positioned in the middle of the conductor, is externally provided with a mounting embedding element, is connected with the mounting embedding element outside the isolating ring through a connecting conductor and is grounded through the mounting embedding element.
3. The environment-friendly type aerifys cabinet and uses integral type insulation switch isolation support of claim 2, characterized in that: the lower end of the connecting station is provided with an installation embedding element, and the installation embedding element at the lower end of the connecting station is grounded.
4. The environment-friendly type aerifys cabinet and uses integral type insulation switch isolation support of claim 3, characterized in that: the connecting station and the isolating station are of an integrated structure, and the installation embedding element, the conductor, the isolating ring and the connecting conductor are all encapsulated into the insulating element body structure through pouring.
5. The environment-friendly type aerifys cabinet and uses integral type insulation switch isolation support of claim 1, characterized in that: and a switching-on static support is arranged above the switching-on station, supports a switching-on static contact, and is in contact with the annular contact finger, and the switching-on static support comprises a semi-surrounding type partition plate, one side surface adjacent to the isolation station is released, and the other three side surfaces are blocked.
6. The environment-friendly type aerifys cabinet and uses integral type insulation switch isolation support of claim 1, characterized in that: and an isolation static support is arranged above the isolation station, supports an isolation static contact, is in contact with the conductor, comprises a U-shaped partition plate, and is released from two side faces adjacent to and opposite to the switch-on station, and blocked by the other two side faces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911385453.XA CN110931304A (en) | 2019-12-28 | 2019-12-28 | Integrated insulation switch isolation support for environment-friendly inflatable cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911385453.XA CN110931304A (en) | 2019-12-28 | 2019-12-28 | Integrated insulation switch isolation support for environment-friendly inflatable cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110931304A true CN110931304A (en) | 2020-03-27 |
Family
ID=69861244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911385453.XA Pending CN110931304A (en) | 2019-12-28 | 2019-12-28 | Integrated insulation switch isolation support for environment-friendly inflatable cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110931304A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202363343U (en) * | 2011-11-27 | 2012-08-01 | 天水长城开关厂有限公司 | Main-loop insulation part of three-position disconnecting switch |
| CN108010790A (en) * | 2017-12-27 | 2018-05-08 | 甘肃长城电工电器工程研究院有限公司 | Tri-station isolating switch major loop insulating support |
| CN211350456U (en) * | 2019-12-28 | 2020-08-25 | 天水长城开关厂有限公司 | Integrated insulation switch isolation support for environment-friendly inflatable cabinet |
-
2019
- 2019-12-28 CN CN201911385453.XA patent/CN110931304A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202363343U (en) * | 2011-11-27 | 2012-08-01 | 天水长城开关厂有限公司 | Main-loop insulation part of three-position disconnecting switch |
| CN108010790A (en) * | 2017-12-27 | 2018-05-08 | 甘肃长城电工电器工程研究院有限公司 | Tri-station isolating switch major loop insulating support |
| CN211350456U (en) * | 2019-12-28 | 2020-08-25 | 天水长城开关厂有限公司 | Integrated insulation switch isolation support for environment-friendly inflatable cabinet |
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