CN213661141U - Prefabricated formula intermediate head of telescopic electric capacity type insulating tube generating line - Google Patents
Prefabricated formula intermediate head of telescopic electric capacity type insulating tube generating line Download PDFInfo
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- CN213661141U CN213661141U CN202022799620.XU CN202022799620U CN213661141U CN 213661141 U CN213661141 U CN 213661141U CN 202022799620 U CN202022799620 U CN 202022799620U CN 213661141 U CN213661141 U CN 213661141U
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Abstract
A telescopic capacitive type insulating tube bus prefabricated intermediate joint relates to the field of electric energy transmission. The insulating shield mainly aims to solve the problem that the existing intermediate joint manufactured on site cannot realize insulating shielding when the bus has the requirements of expansion with heat and contraction with cold. The capacitive type insulation shielding pipe is internally provided with a conductive equipotential piece, and two ends of the capacitive type insulation shielding pipe are provided with end flanges; the innermost capacitive screen of the capacitive insulation shielding pipe is connected with the conductive equipotential member, and the outermost capacitive screen is connected with the end flange; one end of the capacitive type insulation shielding pipe is provided with a corrugated pipe, the inner end of the corrugated pipe is connected with an end flange, the outer end of the corrugated pipe is connected with a plugging flange, and a first capacitive type insulation pipe bus outside the plugging flange is sleeved with a plug. The advantage has solved the insulating shielding problem of intermediate head when generating line expend with heat and contract with cold.
Description
The technical field is as follows:
the utility model relates to an electric energy transmission field especially relates to an insulating technical field of connecting of electric capacity type insulating tube generating line intermediate head.
Background art:
at present, the middle joint of the capacitive type insulated pipe bus which is widely applied is mostly manufactured on site. The intermediate joint manufactured on site cannot detect the partial discharge level due to limited conditions, the quality is difficult to control, and the insulation shielding of the bus with the requirements of expansion with heat and contraction with cold can not be realized. Therefore, the prefabricated intermediate joint of the telescopic capacitance type insulating tube bus is produced in a factory, can control and detect the partial discharge level, and can solve the problems of expansion caused by heat and contraction caused by cold of the bus and insulation shielding.
The invention content is as follows:
the utility model aims to solve the technical problem that a prefabricated formula intermediate head of telescopic electric capacity type insulating tube generating line is provided, it has solved the problem that can not realize the insulating barrier when the generating line has expend with heat and contract with cold regulation requirement.
In order to realize the purpose of the utility model, the utility model provides a telescopic capacitive type insulating tube bus prefabricated intermediate joint, which comprises a capacitive type insulating shielding tube, wherein a conductive equipotential piece is arranged in the capacitive type insulating shielding tube, and both ends of the capacitive type insulating shielding tube are provided with end flanges; the innermost capacitive screen of the capacitive insulation shielding pipe is connected with the conductive equipotential member, and the outermost capacitive screen is connected with the end flange; one end of the capacitive type insulation shielding pipe is provided with a corrugated pipe, the inner end of the corrugated pipe is connected with an end flange on the capacitive type insulation shielding pipe, the outer end of the corrugated pipe is connected with a plugging flange on a first capacitive type insulation pipe bus, a plugging is sleeved on the first capacitive type insulation pipe bus outside the plugging flange, and the plugging flange and the first capacitive type insulation pipe bus are sealed by the plugging.
The other end of the capacitive type insulation shielding pipe is provided with a corrugated pipe, the inner end of the corrugated pipe is connected with the end flange of the other end of the capacitive type insulation shielding pipe through a flange, the outer end of the corrugated pipe is connected with a plugging flange on a second capacitive type insulation pipe bus, a plug is sleeved on the second capacitive type insulation pipe bus outside the plugging flange, and the plugging flange and the second capacitive type insulation pipe bus are sealed through the plug.
The conductors of the first capacitive type insulated pipe bus and the second capacitive type insulated pipe bus are connected into a whole through flexible connection, and the equipotential ring is connected with the conductive equipotential member in an equipotential mode.
The capacitance type insulation shielding pipe is used for insulation shielding of a first capacitance type insulation pipe bus and a second capacitance type insulation pipe bus which are connected, and the corrugated pipe freely adjusts axial expansion along with expansion caused by heat and contraction caused by cold of the first capacitance type insulation pipe bus and the second capacitance type insulation pipe bus.
The conductors of the first capacitive type insulated pipe bus and the second capacitive type insulated pipe bus are made of copper with the same material. The flexible connection is preferably a copper braided wire flexible connection.
The conductive equipotential member and the end flange disposed on the capacitive insulation shielding tube are preferably made of aluminum alloy, wherein the conductive equipotential member is made of non-magnetic material, and the conductive equipotential member is preferably tubular.
The capacitive insulating shielding tube is provided with a plurality of layers of capacitive screens, the capacitive screens are gradually lengthened from inside to outside, the innermost capacitive screen is connected with the conductive equipotential member, and the outermost capacitive screen is connected with the end flange.
The corrugated pipe is made of non-magnetic materials, preferably non-magnetic stainless steel materials.
The plugging flange is preferably made of aluminum alloy.
The equipotential ring is preferably made of aluminum alloy.
The plugging is preferably a heat shrink tube seal.
The capacitance type insulation shielding tube is provided with a grounding lead which is connected with the ground.
And after the first capacitive type insulating tube bus, the second capacitive type insulating tube bus and the capacitive type insulating mother tube are assembled, the appearance is the ground potential.
The utility model has the advantages that: the capacitive insulation shielding tube of the telescopic capacitive insulation tube bus prefabricated intermediate joint is prefabricated in a factory, and the partial discharge level is reliably controlled before delivery. The insulation is not required to be manufactured on site, after two capacitive type insulating tube buses are connected, a capacitive type insulating shielding tube, a corrugated tube and a plug are installed, the two capacitive type buses are insulated and shielded into a whole, the corrugated tube freely adjusts axial expansion along with thermal expansion and cold contraction of the capacitive type insulating tube buses, a grounding lead carried by the capacitive type insulating shielding tube is reliably grounded, and the surfaces of the capacitive type insulating tube buses and the capacitive type insulating shielding tube are in ground potential. The utility model discloses the quality is controllable, and the on-the-spot installation is swift, and the insulation shielding of intermediate head when having solved generating line expend with heat and contract with cold can promote the further development of electric capacity type insulating tube generating line in the power transmission and distribution field.
Description of the drawings:
fig. 1 is a schematic view of the prefabricated middle joint structure of the capacitive insulation tube bus of the present invention.
Fig. 2 is a schematic view of the utility model of the prefabricated middle joint of the telescopic capacitive type insulated pipe bus.
The specific implementation mode is as follows:
the technical solution of the present invention will be described in detail with reference to the accompanying drawings 1 and 2 and the specific embodiments, so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not limited to the present invention.
The first embodiment; the utility model discloses a preferred embodiment of the prefabricated formula intermediate head of telescopic electric capacity type insulating tube generating line, in this embodiment, it includes electric capacity type insulating shield pipe 1, bellows 2, shutoff flange 3, ground lead 4, first electric capacity type insulating tube generating line 5, flexible coupling 6, end flange 7, equipotential ring 8, second electric capacity type insulating tube generating line 9, shutoff 10, electrically conductive equipotential piece 11;
the capacitive type insulation shielding pipe comprises a capacitive type insulation shielding pipe 1, wherein a conductive equipotential part 11 is arranged in the capacitive type insulation shielding pipe, and end flanges 7 are arranged at two ends of the capacitive type insulation shielding pipe; the innermost capacitive screen of the capacitive insulation shielding pipe is connected with the conductive equipotential member, and the outermost capacitive screen is connected with the end flange; one end of electric capacity type insulation shield pipe is equipped with bellows 2, the inner of bellows and the tip flange joint on the electric capacity type insulation shield pipe, the outer end of bellows and the shutoff flange 3 on the first electric capacity type insulation shield pipe generating line are connected, the cover is equipped with shutoff 10 on the first electric capacity type insulation shield pipe generating line 5 in the shutoff flange outside, shutoff 10 seals off shutoff flange and first electric capacity type insulation shield pipe generating line.
The other end of the capacitive type insulation shielding pipe is provided with a corrugated pipe, the inner end of the corrugated pipe is connected with the end flange of the other end of the capacitive type insulation shielding pipe through a flange, the outer end of the corrugated pipe is connected with a plugging flange on a second capacitive type insulation pipe bus 9, a plug is sleeved on the second capacitive type insulation pipe bus outside the plugging flange, and the plugging flange and the second capacitive type insulation pipe bus are sealed through the plug.
The conductors of the first capacitive insulated pipe bus 5 and the second capacitive insulated pipe bus 9 are connected into a whole by the flexible connection 6, and the equipotential ring 8 is connected with the conductive equipotential piece 11 in an equipotential manner.
The capacitance type insulation shielding pipe is used for insulation shielding of a first capacitance type insulation pipe bus and a second capacitance type insulation pipe bus which are connected, and the corrugated pipe freely adjusts axial expansion along with expansion caused by heat and contraction caused by cold of the first capacitance type insulation pipe bus and the second capacitance type insulation pipe bus.
The conductors of the first capacitive type insulated pipe bus and the second capacitive type insulated pipe bus are made of copper with the same material. The flexible connection is preferably a copper braided wire flexible connection.
The conductive equipotential member and the end flange disposed on the capacitive insulation shielding tube are preferably made of aluminum alloy, wherein the conductive equipotential member is made of non-magnetic material, and the conductive equipotential member is preferably tubular.
The capacitive insulating shielding tube is provided with a plurality of layers of capacitive screens, the capacitive screens are gradually lengthened from inside to outside, the innermost capacitive screen is connected with the conductive equipotential member, and the outermost capacitive screen is connected with the end flange.
The corrugated pipe is made of non-magnetic materials, preferably non-magnetic stainless steel materials.
The plugging flange is preferably made of aluminum alloy.
The equipotential ring is preferably made of aluminum alloy.
The plugging is preferably a heat shrink tube seal.
The capacitive insulating shield tube is provided with a grounding lead 4, which is connected to ground.
And after the first capacitive type insulating tube bus, the second capacitive type insulating tube bus and the capacitive type insulating mother tube are assembled, the appearance is the ground potential.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A telescopic capacitive type insulating tube bus prefabricated middle joint comprises a capacitive type insulating shielding tube (1), wherein a conductive equipotential part (11) is arranged in the capacitive type insulating shielding tube, and end flanges (7) are arranged at two ends of the capacitive type insulating shielding tube; the method is characterized in that: the innermost capacitive screen of the capacitive insulation shielding pipe is connected with the conductive equipotential member, and the outermost capacitive screen is connected with the end flange; one end of electric capacity type insulation shield pipe is equipped with bellows (2), the inner of bellows and the tip flange joint on the electric capacity type insulation shield pipe, the outer end of bellows and shutoff flange (3) on the first electric capacity type insulation shield pipe generating line are connected, the cover is equipped with shutoff (10) on first electric capacity type insulation shield pipe generating line (5) in the shutoff flange outside, the shutoff is sealed up shutoff flange and first electric capacity type insulation shield pipe generating line.
2. The preformed intermediate joint for a retractable capacitive insulated pipe bus as set forth in claim 1, wherein: the other end of the capacitive type insulation shielding pipe is provided with a corrugated pipe, the inner end of the corrugated pipe is connected with an end flange of the other end of the capacitive type insulation shielding pipe through a flange, the outer end of the corrugated pipe is connected with a plugging flange on a second capacitive type insulation pipe bus (9), a plug is sleeved on the second capacitive type insulation pipe bus outside the plugging flange, and the plugging flange and the second capacitive type insulation pipe bus are sealed through the plug.
3. The preformed intermediate joint for a retractable capacitive insulated pipe bus as defined in claim 1 or 2, wherein: conductors of the first capacitive type insulating pipe bus and the second capacitive type insulating pipe bus are connected into a whole through a flexible connection (6), and an equipotential ring (8) is connected with a conductive equipotential piece in an equipotential mode.
4. The preformed intermediate joint for a retractable capacitive insulated pipe bus as defined in claim 1 or 2, wherein: the conductors of the first capacitive type insulating pipe bus and the second capacitive type insulating pipe bus are made of copper with the same material; the flexible connection is copper braided wire flexible connection.
5. The preformed intermediate joint for a retractable capacitive insulated pipe bus as defined in claim 1 or 2, wherein: the conductive equipotential part and the end flange arranged on the capacitive insulation shielding pipe are made of aluminum alloy materials, wherein the conductive equipotential part is made of non-magnetic materials, and the conductive equipotential part is in a tubular shape.
6. The preformed intermediate joint for a retractable capacitive insulated pipe bus as defined in claim 1 or 2, wherein: the capacitive insulation shielding tube is provided with a plurality of layers of capacitive screens, and the capacitive screens are gradually lengthened from inside to outside.
7. The preformed intermediate joint for a retractable capacitive insulated pipe bus as defined in claim 1 or 2, wherein: the corrugated pipe is made of non-magnetic stainless steel; the plugging flange is made of an aluminum alloy material; the equipotential ring is made of aluminum alloy.
8. The preformed intermediate joint for a retractable capacitive insulated pipe bus as defined in claim 1 or 2, wherein: the plugging is preferably a heat shrink tube seal.
9. The preformed intermediate joint for a retractable capacitive insulated pipe bus as defined in claim 1 or 2, wherein: the capacitance type insulation shielding tube is provided with a grounding lead (4), and the grounding lead is connected with the ground.
10. The preformed intermediate joint for a retractable capacitive insulated pipe bus as defined in claim 1 or 2, wherein: and after the first capacitive type insulating tube bus, the second capacitive type insulating tube bus and the capacitive type insulating mother tube are assembled, the appearance is the ground potential.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022799620.XU CN213661141U (en) | 2020-11-28 | 2020-11-28 | Prefabricated formula intermediate head of telescopic electric capacity type insulating tube generating line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022799620.XU CN213661141U (en) | 2020-11-28 | 2020-11-28 | Prefabricated formula intermediate head of telescopic electric capacity type insulating tube generating line |
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| CN213661141U true CN213661141U (en) | 2021-07-09 |
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| CN202022799620.XU Active CN213661141U (en) | 2020-11-28 | 2020-11-28 | Prefabricated formula intermediate head of telescopic electric capacity type insulating tube generating line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113393968A (en) * | 2021-07-20 | 2021-09-14 | 辽宁博际电气技术有限公司 | High-voltage full-shielding wind power pipe bus equipment for large-capacity fan |
-
2020
- 2020-11-28 CN CN202022799620.XU patent/CN213661141U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113393968A (en) * | 2021-07-20 | 2021-09-14 | 辽宁博际电气技术有限公司 | High-voltage full-shielding wind power pipe bus equipment for large-capacity fan |
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