CN207868779U - A kind of inner cone plugging formula solid insulated busbar terminal - Google Patents
A kind of inner cone plugging formula solid insulated busbar terminal Download PDFInfo
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- CN207868779U CN207868779U CN201721844604.XU CN201721844604U CN207868779U CN 207868779 U CN207868779 U CN 207868779U CN 201721844604 U CN201721844604 U CN 201721844604U CN 207868779 U CN207868779 U CN 207868779U
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- epoxy resin
- inner cone
- impregnated paper
- conductor
- resin impregnated
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Abstract
It is disclosed by the utility model to belong to T ＆ D Technology field,Specially a kind of inner cone plugging formula solid insulated busbar terminal,The inner cavity of the casting insulated body of epoxy resin impregnated paper is disposed with insulating layer from inside to outside,Shielded layer,External ground screen and appearance protective layer,Cast flange is provided on the right side of the cylindrical conductor,It is provided with contact terminal on the right side of the cast flange,The left end of the casting insulated external wall of epoxy resin impregnated paper is socketed with inner cone socket,The second conical conductor is provided on the left of the cylindrical conductor,By the way that a detachable prefabricated stress cone silicone rubber sleeve is arranged between inner cone socket and plug-in bus bar terminal,The entire casting insulated body of epoxy resin impregnated paper is set to be among electric field encirclement,Solve the problems, such as that the electric field collection of plug-in solid insulated busbar terminal external shield insulating layer end neutralizes creeping discharge,Simultaneously,Equipment is set to reach all insulation,Full-shield,It is tangible,Ensure safe operation.
Description
Technical field
The utility model is related to T ＆ D Technology field, specially a kind of inner cone plugging formula solid insulated busbar terminal.
Background technology
The main material that conventional inner-cone pluggable cable terminal head uses is that be made one of special silicone rubber carries
The cable header structure of stress cone, electric current is after more than 1250A, and unit cable cannot be satisfied the arrangement of small space and connection is wanted
It asks, when connecting with SF6 on-load switches, needs to be inserted into mounted inner-cone pluggable cable terminal by cable distribution system
Into multi-branch connector body, the disadvantage is that the structure of switchgear becomes complicated, installation space is crowded, and hidden danger point is more, and is not easy
Maintenance and maintenance.
With the development of power industry, the main transformer medium voltage side of each voltage class substation, which goes out line current, becomes increasing,
Conventional wrapped busbar and the bus bar terminal for extruding the making of busbar technique, it is whole to cannot be satisfied and make the taper busbar with stress cone
End, can not meet insulation, through-flow requirement, can not be attached with inner cone socket simultaneously, and wrapped busbar major insulation material is using poly-
Tetrafluoroethene, the major insulation material for extruding busbar use ethylene propylene diene rubber, and in the fabrication process, what is occurred inside insulating layer is miscellaneous
The defects of matter, micropore, bubble, semi-conductive layer protrusion and layering, can cause partial discharge phenomenon, and electric tree is developed by accumulation,
It is breakdown to eventually lead to major insulation material, is related to insulation performance, either cable termination or bus bar terminal, all should face and
The electric field concentration problem of external shielding layer end is resolved, for this purpose, it is proposed that a kind of inner cone plugging formula solid insulated busbar terminal.
Utility model content
The purpose of this utility model is to provide a kind of inner cone plugging formula solid insulated busbar terminals, to solve above-mentioned background
The wrapped busbar of routine proposed in technology and the bus bar terminal for extruding the making of busbar technique, cannot be satisfied and make with stress cone
Taper bus bar terminal, insulation, through-flow requirement can not be met simultaneously, can not be attached with inner cone socket, no matter cable termination
Or bus bar terminal, all should face and resolve the problems in electric field collection of external shielding layer end.
To achieve the above object, the utility model provides the following technical solutions：A kind of inner cone plugging formula solid insulated busbar
Terminal, including inner cone socket, the first conical conductor, the second conical conductor, cylindrical conductor, epoxy resin impregnated paper are casting insulated
Body, buffer layer, prefabricated stress cone silicone rubber sleeve, cast flange, contact terminal, 360 ° of adjustable limiting locking devices and multiple spot
Watchband type connection gold utensil fingertip is contacted, the outer wall of the cylindrical conductor is provided with the casting insulated body of epoxy resin impregnated paper, institute
It states and is provided with buffer layer between the casting insulated body of epoxy resin impregnated paper and cylindrical conductor, the epoxy resin impregnated paper cast
Insulator includes insulating layer, shielded layer, external ground screen and appearance protective layer, and insulating layer, shielded layer, external ground screen and appearance are anti-
Sheath is set gradually from inside to outside, and cast flange is provided on the right side of the cylindrical conductor, is set on the right side of the cast flange
It is equipped with contact terminal, the left end of the casting insulated external wall of epoxy resin impregnated paper is socketed with inner cone socket, the cylinder
The second conical conductor is provided on the left of conductor, and the second conical conductor is located in the inner cavity of inner cone socket, second taper
Middle position on the left of conductor is plugged with the first conical conductor, and Multi-contact watchband type company is equipped on second conical conductor
Gold utensil fingertip is connect, prefabricated stress cone silicone rubber sleeve is installed on the left of the casting insulated external wall of epoxy resin impregnated paper,
And prefabricated stress cone silicone rubber sleeve is located in the inner cavity of inner cone socket, is provided with equipment on the left of the inner cone socket, and set
The standby outer wall for being socketed in the casting insulated body of epoxy resin impregnated paper, the equipment pass through 360 ° of adjustable limiting locks with inner cone socket
Tight device connection.
Preferably, the casting insulated body of epoxy resin impregnated paper is bullet or cylinder.
Preferably, the contact terminal is rectangle or circle, and contact terminal is connected with busbar, cable or electrical equipment
It connects.
Compared with prior art, the utility model has the beneficial effects that：It is solid that the utility model provides a kind of inner cone plugging formula
Body isolated bus terminal, by the way that a detachable prefabricated stress cone silicon is arranged between inner cone socket and plug-in bus bar terminal
Rubber sleeve makes the entire casting insulated body of epoxy resin impregnated paper be among electric field encirclement, it is female to solve plug-in solid insulation
The electric field collection of line terminal external shield insulating layer end neutralizes creeping discharge problem, meanwhile, so that equipment is reached all insulation, full-shield,
Tangible, guarantee safe operation.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model.
In figure：1 inner cone socket, 2 first conical conductors, 3 second conical conductors, 4 cylindrical conductors, 5 buffer layers, 6 insulation
Layer, 7 shielded layers, 8 external ground screens, 9 appearance protective layers, 10 prefabricated stress cone silicone rubber sleeves, 11 cast flanges, 12 contact jaws
Son, 13 360 ° of adjustable limiting locking devices, 14 Multi-contact watchband type connection gold utensil fingertips, 15 equipment, the leaching of 16 epoxy resin
The casting insulated body of stain paper.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, the utility model provides a kind of technical solution：A kind of inner cone plugging formula solid insulated busbar terminal,
It is casting insulated including inner cone socket 1, the first conical conductor 2, the second conical conductor 3, cylindrical conductor 4, epoxy resin impregnated paper
12,360 ° of body 16, buffer layer 5, prefabricated stress cone silicone rubber sleeve 10, cast flange 11, contact terminal adjustable limiting lockings
The outer wall of device 13 and Multi-contact watchband type connection gold utensil fingertip 14, the cylindrical conductor 4 is provided with epoxy resin dipping
Paper casting insulated body 16 is provided with buffer layer 5 between the casting insulated body 16 of the epoxy resin impregnated paper and cylindrical conductor 4,
The casting insulated body 16 of epoxy resin impregnated paper includes insulating layer 6, shielded layer 7, external ground screen 8 and appearance protective layer 9, and
Insulating layer 6, shielded layer 7, external ground screen 8 and appearance protective layer 9 are set gradually from inside to outside, the right side of the cylindrical conductor 4
It is provided with cast flange 11, the right side of the cast flange 11 is provided with contact terminal 12, the epoxy resin impregnated paper cast
The left end of 16 outer wall of insulator is socketed with inner cone socket 1, and the left side of the cylindrical conductor 4 is provided with the second conical conductor 3,
And second conical conductor 3 be located in the inner cavity of inner cone socket 1, the middle position in the left side of second conical conductor 3 is plugged with the
One conical conductor 2 is equipped with Multi-contact watchband type connection gold utensil fingertip 14, the asphalt mixtures modified by epoxy resin on second conical conductor 3
Prefabricated stress cone silicone rubber sleeve 10, and prefabricated stress cone silicon rubber are installed on the left of casting insulated 16 outer wall of body of fat impregnated paper
Gum cover 10 is located in the inner cavity of inner cone socket 1, and the left side of the inner cone socket 1 is provided with equipment 15, and equipment 15 is socketed in ring
The outer wall of the casting insulated body of oxygen Tetefol 16, the equipment 15 pass through 360 ° of adjustable limiting lockings with inner cone socket 1 and fill
Set 13 connections.
Wherein, the casting insulated body 16 of the epoxy resin impregnated paper is bullet or cylinder, and the contact terminal 12 is
Rectangle or circle, and contact terminal 12 is connected with busbar, cable or electrical equipment.
Operation principle：Plug-in solid insulated busbar terminal and bus bulk are mutually integrated, the cast of epoxy resin impregnated paper
Insulator 16 forms a complete plug-in terminal together with prefabricated stress cone silicone rubber sleeve 10 and other fitment combinations, and interior
Cone socket 1 is effectively connected, and so that the casting insulated body of entire epoxy resin impregnated paper 16 is among electric field encirclement, solves
The electric field collection of the casting insulated body in plug-in solid insulated busbar end neutralizes creeping discharge problem, then Multi-contact watchband type is connected
It connects gold utensil fingertip 14 and the second conical conductor 3 is assembled, be fixed by locating ring and positioning bolt, it is made fully to connect
It touches, realizes that flexibility is equipped, greatly ensure that through-flow stability and safety, systematicness solve to cause since contact surface is unbalanced
End ablation and temperature rise higher problem, are rotated by the way that 360 ° of adjustable limiting locking devices 13 are arranged and are adjusted, reach quickly with
Inner cone socket 1, equipment 15 are docked, and the other end is that contact terminal 12 is connected with busbar, cable or electrical equipment, in epoxy resin
It is provided with buffer layer 5 between the casting insulated body 16 of impregnated paper and cylindrical conductor 4, in the casting insulated body of epoxy resin impregnated paper 16
Inner cavity be disposed with insulating layer 6, shielded layer 7, external ground screen 8 and appearance protective layer 9 from inside to outside, effectively improve its insulation
Performance and security performance.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (3)
1. a kind of inner cone plugging formula solid insulated busbar terminal, including inner cone socket (1), the first conical conductor (2), the second taper
Conductor (3), cylindrical conductor (4), the casting insulated body of epoxy resin impregnated paper (16), buffer layer (5), prefabricated stress cone silicon rubber
Gum cover (10), cast flange (11), contact terminal (12), 360 ° of adjustable limiting locking devices (13) and Multi-contact watchband type
Connection gold utensil fingertip (14), it is characterised in that：It is exhausted that the outer wall of the cylindrical conductor (4) is provided with the cast of epoxy resin impregnated paper
Edge body (16) is provided with buffer layer (5) between the casting insulated body of epoxy resin impregnated paper (16) and cylindrical conductor (4),
The casting insulated body of epoxy resin impregnated paper (16) includes insulating layer (6), shielded layer (7), external ground screen (8) and appearance protection
Layer (9), and insulating layer (6), shielded layer (7), external ground screen (8) and appearance protective layer (9) are set gradually from inside to outside, the circle
It is provided with cast flange (11) on the right side of cylindrical conductor (4), contact terminal (12) is provided on the right side of the cast flange (11),
The left end of the casting insulated body of epoxy resin impregnated paper (16) outer wall is socketed with inner cone socket (1), the cylindrical conductor (4)
Left side be provided with the second conical conductor (3), and the second conical conductor (3) is located in the inner cavity of inner cone socket (1), described second
Middle position on the left of conical conductor (3) is plugged with the first conical conductor (2), is equipped on second conical conductor (3) more
Point contact watchband type connection gold utensil fingertip (14) is equipped on the left of the casting insulated body of epoxy resin impregnated paper (16) outer wall
Prefabricated stress cone silicone rubber sleeve (10), and prefabricated stress cone silicone rubber sleeve (10) is located in the inner cavity of inner cone socket (1), institute
It states and is provided with equipment (15) on the left of inner cone socket (1), and equipment (15) is socketed in the casting insulated body of epoxy resin impregnated paper
(16) outer wall, the equipment (15) are connect with inner cone socket (1) by 360 ° of adjustable limiting locking devices (13).
2. a kind of inner cone plugging formula solid insulated busbar terminal according to claim 1, it is characterised in that：The asphalt mixtures modified by epoxy resin
The casting insulated body of fat impregnated paper (16) is bullet or cylinder.
3. a kind of inner cone plugging formula solid insulated busbar terminal according to claim 1, it is characterised in that：The contact jaw
Sub (12) are rectangle or circle, and contact terminal (12) is connected with busbar, cable or electrical equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721844604.XU CN207868779U (en) | 2017-12-26 | 2017-12-26 | A kind of inner cone plugging formula solid insulated busbar terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721844604.XU CN207868779U (en) | 2017-12-26 | 2017-12-26 | A kind of inner cone plugging formula solid insulated busbar terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207868779U true CN207868779U (en) | 2018-09-14 |
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ID=63466683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721844604.XU Active CN207868779U (en) | 2017-12-26 | 2017-12-26 | A kind of inner cone plugging formula solid insulated busbar terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207868779U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109300599A (en) * | 2018-11-05 | 2019-02-01 | 上海西邦电气有限公司 | A kind of insulating tube type busbar and production method |
-
2017
- 2017-12-26 CN CN201721844604.XU patent/CN207868779U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109300599A (en) * | 2018-11-05 | 2019-02-01 | 上海西邦电气有限公司 | A kind of insulating tube type busbar and production method |
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