CN204230744U - The full-insulated full-sealed sleeve pipe of a kind of air insulation switch cubicle - Google Patents
The full-insulated full-sealed sleeve pipe of a kind of air insulation switch cubicle Download PDFInfo
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- CN204230744U CN204230744U CN201420753270.5U CN201420753270U CN204230744U CN 204230744 U CN204230744 U CN 204230744U CN 201420753270 U CN201420753270 U CN 201420753270U CN 204230744 U CN204230744 U CN 204230744U
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Abstract
The utility model provides the full-insulated full-sealed sleeve pipe of a kind of air insulation switch cubicle, described sleeve pipe is inner hollow, open-ended, described sleeve pipe comprises internal layer and skin, skin is the silastic-layer of waterproof, described internal layer is the semiconductor layer that local is arranged on outer inwall, the arm that described sleeve pipe comprises main body tube and is connected with main body tube, described main body tube communicates with described arm inside, also be provided with the first eck in the middle part of described main body tube, the internal diameter of described first eck is less than the internal diameter of described main body tube.The full-insulated full-sealed sleeve pipe of air insulation switch cubicle that the utility model provides, can distribute air insulation inside switch cabinet electric fields uniform, and can improve the water resistance of switch cubicle, improves the reliability of insulation cabinet further.
Description
Technical field
The utility model relates to the full-insulated full-sealed sleeve pipe of a kind of air insulation switch cubicle.
Background technology
Along with the develop rapidly of urban economy, power distribution room expropriation of land difficulty, many places, panel switches room are in the basement of humidity.Existing indoor semi-insulating switch cubicle (being mainly the indoor semi-insulating switch cubicle of 6kV ~ 40.5kV) is in running, moisture in the meeting adsorbed gas of solid dielectric surface forms moisture film, moisture film has ionic conductance, ion moves along dielectric surface in the electric field, ate electrode has accumulated electric charge gradually, cause dielectric surface voltage's distribiuting uneven, thus make edge flashing voltage lower than the puncture voltage of air gap, existing indoor air insulated switch cabinet is so just caused easily to produce partial discharge phenomenon in running, surface of insulating layer generation flashover is caused time serious, even there is dielectric breakdown accident, to the safety of electrical network, there is great potential safety hazard accident in stable operation.For solving air insulation switch cubicle electric discharge phenomena, solution is also actively probed into by some experts and scholars and operation power department, at present, electric power is by the air insulation cabinet insulating part surface spraying one deck Silicone Rubber Based Coatings in generation electric discharge phenomena, to improve switch cubicle antifouling work ability, extend air insulation switch cubicle useful life.But this solution utilizes the hydrophobicity of silastic material, improve switch cubicle antifouling work ability, but fail fundamentally to solve switch cubicle Electric Field Distribution, and site technique is difficult to control, useful life is shorter.
Utility model content
Based on above weak point, the technical problems to be solved in the utility model is to provide the full-insulated full-sealed sleeve pipe of a kind of air insulation switch cubicle, air insulation inside switch cabinet electric fields uniform can be distributed, and the water resistance of switch cubicle can be improved, improve the reliability of insulation cabinet further.
For solving above technical problem, the utility model have employed following technical scheme:
The full-insulated full-sealed sleeve pipe of a kind of air insulation switch cubicle, described sleeve pipe is inner hollow, open-ended, described sleeve pipe comprises internal layer and skin, and skin is the silastic-layer of waterproof, and described internal layer is the semiconductor layer that local is arranged on outer inwall, the arm that described sleeve pipe comprises main body tube and is connected with main body tube, described main body tube communicates with described arm inside, is also provided with the first eck in the middle part of described main body tube, and the internal diameter of described first eck is less than the internal diameter of described main body tube.
Described sleeve pipe comprises main body tube and is arranged on one or two arm of main body tube sidewall, and described arm and described main body tube connect.
Described sleeve pipe comprises main body tube and is symmetricly set on two arms of described main body tube sidewall, and described arm and described main body tube connect.
One end of described main body tube is provided with fastening part, and two ends, the described fastening part little middle internal diameter of internal diameter is large.
The position that described arm connects with described main body tube is provided with the second eck, and the internal diameter of described second eck is less than the internal diameter of described arm.
Described arm is taper.
The arm that described sleeve pipe comprises main body tube and is connected with described main body tube one end, described arm communicates with described main body tube, and the internal diameter of described arm is greater than the internal diameter of described main body tube, and described arm end is corrugated.
The material of described semiconductor layer is silicon or silicon germanium material.
Adopt above technical scheme, the beneficial effect acquired by the utility model is:
1, the full-insulated full-sealed sleeve pipe of the utility model air insulation switch cubicle, air insulation switch cubicle can be installed on position of discharging easily occurs, its internal layer is locally for semiconductor is made, can by the electric fields uniform distribution in switch cubicle, prevent switch cubicle internal cause humidity or dust reason generation electric field distortion, locally there is electric discharge and ageing of insulation phenomenon, improve air insulation switch cubicle antifouling work ability, extend switch cubicle useful life, improve power supply reliability, outer to make for silicon rubber, silicon rubber has excellent thermal stability, electrical insulating property, weather resisteant, resistance to ozone and gas permeability, nonpoisonous and tasteless, and can waterproof.
2, overlapping outer tube layer adopts silicon rubber to make, and arranges eck in main body tube the elasticity of silicon rubber can be utilized better by binding post and sealing bus-bars.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, technology of the present utility model is described in further detail:
Fig. 1 is the structure chart of the full-insulated full-sealed sleeve pipe of air insulation switch cubicle of embodiment 1;
Fig. 2 is the cutaway view of the full-insulated full-sealed sleeve pipe of air insulation switch cubicle of embodiment 1;
Fig. 3 is the structure chart of the full-insulated full-sealed sleeve pipe of air insulation switch cubicle of embodiment 2;
Fig. 4 is the cutaway view of the full-insulated full-sealed sleeve pipe of air insulation switch cubicle of embodiment 2;
Fig. 5 is the structure chart of the full-insulated full-sealed sleeve pipe of air insulation switch cubicle of embodiment 3;
Fig. 6 is the cutaway view of the full-insulated full-sealed sleeve pipe of air insulation switch cubicle of embodiment 3;
Fig. 7 is the mounting structure schematic diagram of the full-insulated full-sealed sleeve pipe of the utility model air insulation switch cubicle.
Embodiment
Embodiment 1
As shown in Figure 1, the full-insulated full-sealed sleeve pipe of air insulation switch cubicle disclosed in the present embodiment, for cross, comprise main body tube 1 and be symmetricly set on two arms 2 of main body tube 1 sidewall, main body tube 1 and arm 2 are inner hollow, open-ended, two arms 2 all connect with described main body tube 1, arm 2 is taper, sleeve pipe comprises internal layer and skin, skin is the silastic-layer of waterproof, described internal layer be local be arranged on outer inwall by equally distributed for switch cubicle internal electric field semiconductor layer, be arranged near copper bar contact-making surface, the material of described semiconductor layer is silicon or silicon germanium material, semiconductor thickness 0.1-1mm, long 1-30mm, casing wall thickness 8mm-20mm, inside pipe casing size is determined according to the size of the bus that inside pipe casing encapsulates, casing part is provided with fastening end, sleeve pipe can be fastened on the end of incoming cables on gas tank top, fastening end is with end of incoming cables snapping or be threaded, sleeve pipe height 100mm-130mm, arm 2 length 100mm-150mm, arm 2 difference in height is 2mm-7mm.One end of main body tube wiring is provided with fastening part 11, and fastening part 11 is corrugated, and internal diameter little middle internal diameter in two ends is large, the bus terminal of its enclosed inside tightly can be wrapped up, excellent sealing.The internal diameter being also provided with the first eck 12, first eck 12 in the middle part of main body tube is less than the internal diameter of main body tube, and the bus bundle stretched out can be lived by the first eck 12 further, thus by bus terminal and sealing bus-bars, prevents partial discharge.The internal diameter that the position that arm connects with main body tube is provided with the second eck 21, second eck 21 is less than the internal diameter of arm, can be used for the wire be connected with bus to pass, and can simultaneously by sealing bus-bars.The shape of arm is taper, conveniently stripped.
Embodiment 2
As shown in Figure 2, the full-insulated full-sealed sleeve pipe of air insulation switch cubicle disclosed in the present embodiment, for T-shaped, comprise main body tube 1 and be arranged on the arm 2 of described main body tube 1 sidewall, described arm 2 connects with described main body tube 1, main body tube 1 and arm 2 are inner hollow, open-ended, two arms 2 all connect with described main body tube 1, arm 2 is taper, sleeve pipe comprises internal layer and skin, skin is the silastic-layer of waterproof, described internal layer be local be arranged on outer inwall by equally distributed for switch cubicle internal electric field semiconductor layer, be arranged near copper bar contact-making surface, the material of described semiconductor layer is silicon or silicon germanium material, semiconductor thickness 0.1-1mm, long 1-30mm, casing wall thickness 8mm-20mm, sleeve pipe height 100mm-130mm, inside pipe casing size is determined according to the size of the bus that inside pipe casing encapsulates, casing part is provided with fastening end, sleeve pipe can be fastened on the end of incoming cables on gas tank top, fastening end is with end of incoming cables snapping or be threaded, arm 2 length is 100mm-150mm.One end of main body tube wiring is provided with fastening part 11, and fastening part 11 is corrugated, and internal diameter little middle internal diameter in two ends is large, the bus terminal of its enclosed inside tightly can be wrapped up, excellent sealing.The internal diameter being also provided with the first eck 12, first eck 12 in the middle part of main body tube is less than the internal diameter of main body tube, and the bus bundle stretched out can be lived by the first eck 12 further, thus by bus terminal and sealing bus-bars, prevents partial discharge.The internal diameter that the position that arm connects with main body tube is provided with the second eck 21, second eck 21 is less than the internal diameter of arm, can be used for the wire be connected with bus to pass, and can simultaneously by sealing bus-bars.The shape of arm is taper, conveniently stripped.
Embodiment 3
As shown in Figure 3, the full-insulated full-sealed sleeve pipe of air insulation switch cubicle disclosed in the present embodiment, the arm 2 comprising main body tube 1 and be connected with described main body tube 1 one end, described arm 2 communicates with described main body tube 1, the internal diameter of described arm 2 is greater than the internal diameter of described main body tube 1, the end of arm is corrugated, sleeve pipe comprises internal layer and skin, skin is the silastic-layer of waterproof, described internal layer be local be arranged on outer inwall by equally distributed for switch cubicle internal electric field semiconductor layer, be arranged near copper bar contact-making surface, the material of semiconductor layer is silicon or silicon germanium material, semiconductor thickness 0.1-1mm, long 1-30mm, casing wall thickness 8mm-20mm, sleeve pipe total height 120mm-170mm, main body tube 1 diameter 100mm-150mm.One end of main body tube wiring is provided with fastening part 11, fastening part 11 is for being connected with the lower terminal of gas tank, arm end is corrugated, the grading shield be connected with gas tank tightly can be wrapped up, make its insulated enclosure, in the middle part of main body tube, also be provided with the first eck 12, the internal diameter of the first eck 12 is less than the internal diameter of main body tube, the bus bundle stretched out can be lived by the first eck 12 further, thus by bus terminal and sealing bus-bars, prevents partial discharge.
As shown in Figure 4, for the mounting structure schematic diagram of the full-insulated full-sealed sleeve pipe of the utility model air insulation switch cubicle, existing switch cubicle is primarily of compositions such as shell, three-stations load switch, epoxy resin gas tank, buses, and in switch cubicle, most important part is exactly the epoxy resin gas tank part being wrapped in three-stations load switch.
Cross sleeve pipe in embodiment 1 is mainly used in insulated switch cabinet bus coupling part, gas tank structure upper end half and half, bus and bus terminal are fixedly connected on silicone rubber sleeve inside, and the isolated air of sealing, solve the partial discharge problem of switch cabinet bus part, T font sleeve pipe in embodiment 2 is mainly used in gas tank structure upper end, semi-insulating cabinet bus end, when the switch cubicle of series connection does not need to be connected with other cabinet, switch cubicle be beginning cabinet or last cabinet time, at Up Highway UHW terminal firm T font sleeve pipe, sleeve pipe in embodiment 3 is mainly used on outlet coupling part, gas tank structure lower end and grading shield, sleeve upper end is fixed in the lower terminal of gas tank, lower end tightly wraps grading shield, make it insulate, sealing, problem is put in the office solving leading-out terminal.
The full-insulated full-sealed sleeve pipe of the utility model air insulation switch cubicle, air insulation switch cubicle can be installed on position of discharging easily occurs, its internal layer is that semiconductor is made, can by the electric fields uniform distribution in switch cubicle, prevent switch cubicle internal cause humidity or dust reason generation electric field distortion, locally there is electric discharge and ageing of insulation phenomenon, improve air insulation switch cubicle antifouling work ability, extend switch cubicle useful life, improve power supply reliability, outer to make for silicon rubber, silicon rubber has excellent thermal stability, electrical insulating property, weather resisteant, resistance to ozone and gas permeability, nonpoisonous and tasteless.
Last it is noted that these are only preferred embodiment of the present utility model; be not limited to the utility model; although be described in detail the utility model with reference to embodiment; for a person skilled in the art; it still can be modified to the technical scheme described in foregoing embodiments; or equivalent replacement is carried out to wherein portion of techniques feature; but it is all within spirit of the present utility model and principle; any amendment of doing, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (8)
1. the full-insulated full-sealed sleeve pipe of air insulation switch cubicle, it is characterized in that: described sleeve pipe is inner hollow, open-ended, described sleeve pipe comprises internal layer and skin, skin is the silastic-layer of waterproof, described internal layer is the semiconductor layer that local is arranged on outer inwall, the arm that described sleeve pipe comprises main body tube and is connected with main body tube, described main body tube communicates with described arm inside, also be provided with the first eck in the middle part of described main body tube, the internal diameter of described first eck is less than the internal diameter of described main body tube.
2. the full-insulated full-sealed sleeve pipe of air insulation switch cubicle according to claim 1, is characterized in that: described sleeve pipe comprises main body tube and is arranged on one or two arm of main body tube sidewall, and described arm and described main body tube connect.
3. the full-insulated full-sealed sleeve pipe of air insulation switch cubicle according to claim 2, is characterized in that: described sleeve pipe comprises main body tube and is symmetricly set on two arms of described main body tube sidewall, and described arm and described main body tube connect.
4. the full-insulated full-sealed sleeve pipe of air insulation switch cubicle according to Claims 2 or 3, is characterized in that: one end of described main body tube is provided with fastening part, and two ends, the described fastening part little middle internal diameter of internal diameter is large.
5. the full-insulated full-sealed sleeve pipe of air insulation switch cubicle according to Claims 2 or 3, is characterized in that: the position that described arm connects with described main body tube is provided with the second eck, and the internal diameter of described second eck is less than the internal diameter of described arm.
6. the full-insulated full-sealed sleeve pipe of air insulation switch cubicle according to Claims 2 or 3, is characterized in that: described arm is taper.
7. the full-insulated full-sealed sleeve pipe of air insulation switch cubicle according to claim 1, it is characterized in that: the arm that described sleeve pipe comprises main body tube and is connected with described main body tube one end, described arm communicates with described main body tube, the internal diameter of described arm is greater than the internal diameter of described main body tube, and described arm end is corrugated.
8. the full-insulated full-sealed sleeve pipe of air insulation switch cubicle according to claim 1, is characterized in that: the material of described semiconductor layer is silicon or silicon germanium material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420753270.5U CN204230744U (en) | 2014-12-03 | 2014-12-03 | The full-insulated full-sealed sleeve pipe of a kind of air insulation switch cubicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420753270.5U CN204230744U (en) | 2014-12-03 | 2014-12-03 | The full-insulated full-sealed sleeve pipe of a kind of air insulation switch cubicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204230744U true CN204230744U (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420753270.5U Active CN204230744U (en) | 2014-12-03 | 2014-12-03 | The full-insulated full-sealed sleeve pipe of a kind of air insulation switch cubicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204230744U (en) |
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2014
- 2014-12-03 CN CN201420753270.5U patent/CN204230744U/en active Active
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510285 No. 11, nanshai Road, Haizhu District, Guangzhou, Guangdong Patentee after: Guangzhou Southern POWER Group Electric Apparatus Co.,Ltd. Address before: 510285 No. 11, nanshai Road, Haizhu District, Guangzhou, Guangdong Patentee before: GUANGZHOU SOUTHERN POWER GROUP ELECTRIC APPARATUS CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |