CN211351470U - Large current connecting device for environment-friendly gas-filled cabinet - Google Patents
Large current connecting device for environment-friendly gas-filled cabinet Download PDFInfo
- Publication number
- CN211351470U CN211351470U CN201922412262.XU CN201922412262U CN211351470U CN 211351470 U CN211351470 U CN 211351470U CN 201922412262 U CN201922412262 U CN 201922412262U CN 211351470 U CN211351470 U CN 211351470U
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- CN
- China
- Prior art keywords
- connecting conductor
- lapping surface
- radiator
- environment
- insulating
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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.)
- Expired - Fee Related
Links
- 239000004020 conductor Substances 0.000 claims abstract description 64
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 10
- 238000009413 insulation Methods 0.000 description 4
- 230000005684 electric field Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Gas-Insulated Switchgears (AREA)
Abstract
The utility model belongs to the technical field of power distribution products, and particularly discloses a large-current connecting device for an environment-friendly gas-filled cabinet, which comprises a connecting conductor, wherein the cross section of the connecting conductor is T-shaped, an upper lapping surface is arranged on the connecting conductor, and a right lapping surface is also arranged on one side of the connecting conductor; a radiator is arranged at one end of the connecting conductor far away from the right lapping surface; the connecting conductor is in threaded connection with the radiator; one end of the radiator far away from the connecting conductor is provided with a plurality of flaky radiating fins; the utility model discloses simple structure, can satisfy insulating and heat dissipation requirement simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the distribution product, a heavy current connecting device is related to, especially an environment-friendly aerifys heavy current connecting device for cabinet.
Background
At present, the environment-friendly gas-filled cabinet becomes one of the main development directions of switch equipment in power distribution products. 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 electric connection between the main bus chamber and the connecting sleeve of the breaker chamber and the outgoing line of the breaker in the existing 40.5kV environment-friendly large-current gas-filled cabinet basically adopts copper bar connection, and in order to ensure the insulation requirement, the general inflation pressure is higher, so that the structure is complex, and the insulation and heat dissipation performance are unreliable.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to prior art not enough, provide a simple structure, can satisfy the environment-friendly of insulating and heat dissipation requirement simultaneously and aerify heavy current connecting device for cabinet.
The technical problem to be solved by the utility model is realized by the following technical scheme that the high-current connecting device for the environment-friendly inflatable cabinet comprises a connecting conductor, wherein the cross section of the connecting conductor is T-shaped, an upper lapping surface is arranged on the connecting conductor, and a right lapping surface is also arranged on one side of the connecting conductor; a radiator is arranged at one end of the connecting conductor far away from the right lapping surface; the connecting conductor is in threaded connection with the radiator; and a plurality of flaky radiating fins are arranged at one end of the radiator far away from the connecting conductor.
Preferably, the cross section of the connecting conductor in the vertical direction is T-shaped, and the length of the portion of the connecting conductor on the upper bonding surface close to the heat sink is smaller than the length of the portion of the connecting conductor provided with the right bonding surface.
Preferably, the fins together form a cubic structure.
Preferably, the cross-section of the upper lapping surface and the right lapping surface of the connecting conductor are both circular, an insulating sheath II is arranged on the upper lapping surface, and an insulating anticorona layer II is arranged at the free end of the right lapping surface.
Preferably, an insulating sheath I is arranged at the joint of the connecting conductor and the radiator, and an insulating corona-proof layer I is further arranged at the end part of the connecting conductor connected with the radiator.
Preferably, the bottom of the connecting conductor is also provided with a fabrication hole; the first insulating corona-proof layer and the second insulating corona-proof layer jointly wrap the connecting conductor inside, and the first insulating corona-proof layer and the second insulating corona-proof layer are of an integrated structure.
Compared with the prior art, the beneficial effects of the utility model are that: the device is mainly used for electrical connection between a main bus chamber and a breaker chamber connecting sleeve and an outgoing line on a breaker in an environment-friendly high-current gas-filled cabinet of 40.5kV, and a T-shaped connecting conductor is adopted, so that the upper lap joint of the main bus compartment connecting sleeve and the right lap joint of the outgoing line on the breaker can be realized, and the connecting mode is simplified; meanwhile, the radiator is arranged on the rear part of the connecting conductor of the device in a threaded manner, and a split mode is adopted, so that the connecting mode is simplified, the processing difficulty of parts is reduced, the non-uniform electric field at the connecting part is avoided, and the requirements on insulation and heat dissipation are met; the insulating anticorona layers are wrapped on the surfaces of all exposed conductors, and the insulating sheaths are arranged at the butt joints, so that the electric field is uniform, and the insulating requirement of the 40.5kV environment-friendly type gas-filled cabinet is met.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic structural view of the present invention;
FIG. 4 is a schematic structural view of the present invention;
FIG. 5 is a schematic view of a connection conductor;
FIG. 6 is a schematic view of a connection conductor;
FIG. 7 is a schematic view of a heat sink;
fig. 8 is a usage state diagram of the present invention.
In the figure, 1, a heat sink; 2. a first insulating anticorona layer; 3. a first insulating sheath; 4. a second insulating sheath; 5. a connecting conductor; 6. an upper lapping surface; 7. a second insulating anticorona layer; 8. a right faying surface; 9. a heat sink; 10. an internal thread; 11. a fabrication hole; 12. an external thread; 13. connecting a sleeve; 14. connecting the bushing conductors; 15. and an upper outlet of the circuit breaker.
Detailed Description
A kind of environment-protecting type aerifys the heavy current junction device for the cabinet, including the connecting conductor 5, the cross-section of the connecting conductor 5 is T-shaped, the T-shape is not the standard T-shape, but the tip of the T-shape is a part shorter, namely the cross-section of the connecting conductor 5 in the vertical direction is T-shaped, and the length of the part that the connecting conductor 5 is close to the heat sink 1 on the upper faying surface 6 is smaller than the length of the part that the connecting conductor 5 has right faying surface 8; an upper lapping surface 6 is arranged on the connecting conductor 5, a right lapping surface 8 is also arranged on one side of the connecting conductor 5, and a plurality of connecting station holes are arranged on the upper lapping surface 6 and the right lapping surface 8; the cross sections of an upper lapping surface 6 and a right lapping surface 8 of the connecting conductor 5 are both circular, an insulating sheath II 4 is arranged on the upper lapping surface 6, and an insulating anticorona layer II 7 is arranged on the right lapping surface 8; one end of the connecting conductor 5, which is far away from the right lapping surface 8, is provided with the radiator 1, and the rest connecting conductor 5 of the radiator 1 is connected with a cylindrical structure; the connection part of the connecting conductor 5 and the radiator 1 is provided with a first insulating sheath 3, and the end part of the connecting conductor 5 connected with the radiator 1 is also provided with a first insulating corona-proof layer 2; the first insulating corona-proof layer 2 and the second insulating corona-proof layer 7 jointly wrap the connecting conductor 5, the first insulating corona-proof layer 2 and the second insulating corona-proof layer 7 are of an integrated structure, and the thicknesses of the first insulating corona-proof layer 2 and the second insulating corona-proof layer 7 are 3 mm; the bottom of the connecting conductor 5 is also provided with a fabrication hole 11; the connecting conductor 5 is in threaded connection with the radiator 1, an internal thread 10 is arranged on the end part of the connecting conductor 5 matched with the radiator 1, and an external thread 12 is arranged on the connecting part of the radiator 1 matched with the connecting conductor 5; the end of the radiator 1 far away from the connecting conductor 5 is provided with a plurality of sheet-shaped radiating fins 9, the radiating fins 9 are in clearance fit, and all the radiating fins 9 form a cube structure together.
The utility model discloses a connecting conductor's electrically conductive part all adopts circular cross section structure, and the surface cladding 3mm thick insulating anticorona layer to install the radiator, the utility model discloses an electric field is more even, has the anticorona function, guarantees to insulate reliably; the heat dissipation area is increased, and the current carrying capacity is improved. The utility model has the advantages of simple structure, complete functions, small volume, high reliability, low cost and the like.
Claims (6)
1. The utility model provides a cabinet is aerifyd to environment-friendly is with heavy current connecting device which characterized in that: the connecting conductor comprises a connecting conductor, the cross section of the connecting conductor is T-shaped, an upper lapping surface is arranged on the connecting conductor, and a right lapping surface is also arranged on one side of the connecting conductor; a radiator is arranged at one end of the connecting conductor, which is far away from the right lapping surface; the connecting conductor is in threaded connection with the radiator; and a plurality of flaky radiating fins are arranged at one end of the radiator far away from the connecting conductor.
2. The environment-friendly high-current connecting device for the gas insulated switchgear according to claim 1, wherein: the cross section of the connecting conductor in the vertical direction is T-shaped, and the length of the part, close to the radiator, of the upper lapping surface of the connecting conductor is smaller than that of the part, provided with the right lapping surface, of the connecting conductor.
3. The environment-friendly high-current connecting device for the gas insulated switchgear according to claim 2, wherein: all the radiating fins form a cubic structure together.
4. The environment-friendly high-current connecting device for the gas insulated switchgear according to claim 3, wherein: the cross-section of the upper lapping surface and the right lapping surface of the connecting conductor are both circular, an insulating sheath II is arranged on the upper lapping surface, and an insulating corona-proof layer II is arranged at the free end of the right lapping surface.
5. The environment-friendly high-current connecting device for the gas insulated switchgear according to claim 4, wherein: and a first insulating sheath is arranged at the joint of the connecting conductor and the radiator, and a first insulating corona-proof layer is arranged at the end part of the connecting conductor connected with the radiator.
6. The environment-friendly high-current connecting device for the gas insulated switchgear according to claim 5, wherein: the bottom of the connecting conductor is also provided with a fabrication hole; the first insulating corona-proof layer and the second insulating corona-proof layer jointly wrap the connecting conductor inside, and the first insulating corona-proof layer and the second insulating corona-proof layer are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922412262.XU CN211351470U (en) | 2019-12-28 | 2019-12-28 | Large current connecting device for environment-friendly gas-filled cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922412262.XU CN211351470U (en) | 2019-12-28 | 2019-12-28 | Large current connecting device for environment-friendly gas-filled cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211351470U true CN211351470U (en) | 2020-08-25 |
Family
ID=72097849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922412262.XU Expired - Fee Related CN211351470U (en) | 2019-12-28 | 2019-12-28 | Large current connecting device for environment-friendly gas-filled cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211351470U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009843A (en) * | 2019-12-28 | 2020-04-14 | 天水长城开关厂有限公司 | Large current connecting device for environment-friendly gas-filled cabinet |
-
2019
- 2019-12-28 CN CN201922412262.XU patent/CN211351470U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009843A (en) * | 2019-12-28 | 2020-04-14 | 天水长城开关厂有限公司 | Large current connecting device for environment-friendly gas-filled cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200825 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |