CN214313034U - Upper isolation shielding type solid insulation cylinder - Google Patents
Upper isolation shielding type solid insulation cylinder Download PDFInfo
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- CN214313034U CN214313034U CN202120613430.6U CN202120613430U CN214313034U CN 214313034 U CN214313034 U CN 214313034U CN 202120613430 U CN202120613430 U CN 202120613430U CN 214313034 U CN214313034 U CN 214313034U
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Abstract
The utility model relates to an electrical engineering field especially relates to an go up isolation shielding type solid insulation section of thick bamboo, including insulating casing and the conductive parts of parcel in insulating casing inside, conductive parts include the bus conductor, vacuum interrupter and feeder conductor, its three from last to fixed connection in proper order down, the inside bus conductor upper end department that is located of insulating casing is provided with an upper end shielding net, the middle part is provided with an isolation sword combined floodgate department shielding net, it is provided with a stationary end shielding net of explosion chamber to be close to vacuum interrupter department, it is provided with a lower extreme shielding net to be located the tip under the feeder conductor, one side of keeping away from conductive parts still is provided with an isolation shielding net. The utility model provides a solid insulating cylinder has used the electrostatic shielding principle in physics, can shield the inhomogeneous part of high-voltage electric field in the insulating cylinder to reach the voltage-sharing effect, the value is put in the even back whole insulating cylinder of electric field reaches less office easily, and the value is put in less office longer life-span that means.
Description
Technical Field
The utility model relates to an electrical engineering field especially relates to an go up isolation shielding type solid insulation section of thick bamboo.
Background
With the increasing market demand of the solid insulation ring main unit, the national network company also puts higher requirements on the solid insulation switch, and the requirement of the partial discharge of the whole machine (13.2kV < 5pC) is higher and higher. According to the requirement of a 12kV ring main unit (box) standardized design customization scheme (2019 edition) issued by 2019 national grid company, the scheme of the solid insulation ring main unit is an upper isolation scheme. In order to meet the market demand and meet the new requirements of national network companies, the research and development of the upper isolation shielding type solid insulating cylinder is urgent.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an overcome the relatively poor defect of insulation shielding effect of the solid insulation section of thick bamboo among the prior art, provide an go up isolation shielding type solid insulation section of thick bamboo.
In order to realize the purpose of the utility model, the utility model discloses a following technical scheme realizes:
the utility model provides an go up isolation shielding type solid insulation section of thick bamboo, includes insulating casing and the conductive part of parcel in insulating casing inside, conductive part includes a bus conductor, a vacuum interrupter and a feeder conductor, the inside bus conductor upper end department that is located of insulating casing is provided with an upper end shielding net, the inside middle part of insulating casing is provided with an isolation sword combined floodgate department shielding net, the inside vacuum interrupter department of being close to of insulating casing is provided with an explosion chamber quiet end shielding net, the inside feeder conductor lower extreme that is located of insulating casing is provided with a lower extreme shielding net, the inside one side of keeping away from conductive part of insulating casing still is provided with an isolation shielding net.
Preferably, the conductive parts are all arranged on one side of the insulating shell, and the isolation shielding net is arranged in the middle of the insulating shell.
Preferably, the side of the insulating shell far away from the conductive component is provided with an opening, and the edge of the opening and the bottom of the insulating shell are also provided with a plurality of M6 copper inserts.
Preferably, the vacuum arc-extinguishing chamber is tightly connected with the feeder conductor through self-threads on the feeder conductor.
Preferably, a connecting port is arranged at the lower end of the insulating shell close to the feeder conductor, and a plurality of M8 copper inserts are arranged at the edge of the connecting port and the side edge of the middle part of the insulating shell.
Preferably, the outer surface of the insulating shell is subjected to zinc spraying grounding treatment.
Therefore, the utility model discloses following beneficial effect has:
(1) the utility model provides a solid insulation cylinder has used the electrostatic shielding principle in physics, through at inside upper end shielding net, keep apart sword combined floodgate department shielding net, the quiet end shielding net of explosion chamber, lower extreme shielding net and the isolation shielding net of setting up of insulating casing, can shield the effect with the inhomogeneous part of high-voltage electric field in the insulating cylinder to reach the voltage-sharing effect, the value is put in less office easily to whole insulating cylinder after the electric field is even, the longer life-span that the value means is put in littleer office.
(2) The utility model can meet the standardized size requirement of national network companies, and the installation of the insulating cylinder can be facilitated by arranging the M6 copper insert and the M8 copper insert;
(3) the outer surface of the insulating cylinder is uniformly sprayed with zinc for grounding treatment, and because the inductive charges of the high-voltage electrified part in the insulating cylinder are all grounded, the phenomenon of electric shock can not occur even if the insulating cylinder touches the epoxy surface under the condition of electrified operation, and the occurrence of electric shock accidents is effectively avoided.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic sectional view of the present invention.
Wherein: the device comprises an insulating shell 1, a bus conductor 2, an upper end shielding net 3, an isolation knife closing position shielding net 4, an arc extinguish chamber static end shielding net 5, a vacuum arc extinguish chamber 6, a feeder conductor 7, a lower end shielding net 8, an M8 copper insert 9, an M6 copper insert 10, an isolation shielding net 11, an opening 12 and a connecting port 13.
Detailed Description
The invention is further described with reference to the drawings and the specific embodiments. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Moreover, the embodiments of the invention described in the following description are generally only some embodiments, but not all embodiments, of the invention. Therefore, all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1 to 2, an upper isolation shield type solid insulation cylinder includes an insulation housing 1 and a conductive member poured inside the insulation housing 1.
The conductive part is arranged on one side of the insulating shell 1 and comprises a bus conductor 2, a vacuum arc-extinguishing chamber 6 and a feeder conductor 7 which are sequentially connected from top to bottom, wherein the vacuum arc-extinguishing chamber 6 is fixedly connected with the feeder conductor 7 through self threads on the feeder conductor 7.
An upper end shielding net 3 is arranged at the upper end of a bus conductor 2 inside an insulating shell 1, an isolation knife closing position shielding net 4 is arranged at the middle part of the bus conductor 2 inside the insulating shell 1, an arc extinguish chamber static end shielding net 5 is arranged at the position of the vacuum arc extinguish chamber 6 inside the insulating shell 1, a lower end shielding net 8 is arranged at the lower end of a feeder conductor 7 inside the insulating shell 1, and an isolation shielding net 11 is further arranged at one side of the middle part of the insulating shell 1, which is far away from a conductive part.
The other side of the edge housing 1 away from the conductive part is provided with an opening 12, and the edge of the opening 12 and the bottom of the insulating housing 1 are also provided with a plurality of M6 copper inserts 10, thereby facilitating the installation of the insulating cylinder.
A connecting port 13 is arranged at the lower end of the insulating shell 1 close to the feeder conductor 7, and a plurality of M8 copper inserts 9 are arranged at the edge of the connecting port 13 and the side edge of the middle part of the insulating shell 1, so that the insulating cylinder is convenient to install.
The zinc-sprayed grounding treatment is carried out on the outer surface of the insulating shell 1, and due to the fact that induction charges of a high-voltage charged component in the insulating cylinder are all removed by grounding, even if the insulating cylinder is in live operation, people touch the epoxy surface, electric shock cannot occur, and electric shock accidents are effectively avoided.
The utility model provides a solid insulation cylinder has used the electrostatic shielding principle in physics, through at 1 inside upper end shielding net 3 that sets up of insulating casing, keep apart sword combined floodgate department shielding net 4, the quiet end shielding net 5 of explosion chamber, lower extreme shielding net 8 and isolation shielding net 11, can shield the effect with the inhomogeneous part of high-voltage electric field in the insulating cylinder, thereby reach the voltage-sharing effect, whole insulating cylinder reaches less office discharge value easily after the electric field is even, make this insulating cylinder office discharge value under 13.2kV be less than 5pC, the longer life-span that less office discharge value means.
Claims (6)
1. An upper isolation shielding type solid insulating cylinder comprises an insulating shell (1) and a conductive part wrapped in the insulating shell (1), characterized in that the conductive part comprises a busbar conductor (2), a vacuum interrupter (6) and a feeder conductor (7), an upper end shielding net (3) is arranged at the upper end of the bus conductor (2) in the insulating shell (1), the middle part in the insulating shell (1) is provided with a shielding net (4) at the closing position of the isolation knife, a static end shielding net (5) of the arc extinguish chamber is arranged in the insulating shell (1) and close to the vacuum arc extinguish chamber (6), a lower end shielding net (8) is arranged at the lower end part of the feeder conductor (7) in the insulating shell (1), and an isolation shielding net (11) is further arranged on one side, away from the conductive part, in the insulating shell (1).
2. An upper insulation shield type solid insulation cylinder according to claim 1, wherein said conductive parts are all disposed at one side of the insulation casing (1), and said insulation shield net (11) is disposed at the middle of the insulation casing (1).
3. The upper isolation shielding type solid insulation cylinder according to claim 2, wherein an opening (12) is arranged on one side of the insulation shell (1) far away from the conductive component, and a plurality of M6 copper inserts (10) are further arranged on the edge of the opening (12) and the bottom of the insulation shell (1).
4. The upper insulation shielding type solid insulation cylinder according to claim 1, wherein the vacuum arc-extinguishing chamber (6) is tightly connected with the feeder conductor (7) through self-thread on the feeder conductor (7).
5. The upper isolation shielding type solid insulation cylinder according to claim 1 or 4, wherein a connecting port (13) is arranged at the lower end of the insulation shell (1) close to the feeder conductor (7), and a plurality of M8 copper inserts (9) are arranged at the edge of the connecting port (13) and the side edge of the middle part of the insulation shell (1).
6. The upper insulation shield type solid insulation cylinder according to claim 1, wherein the outer surface of the insulation shell (1) is treated with zinc spraying and grounding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120613430.6U CN214313034U (en) | 2021-03-25 | 2021-03-25 | Upper isolation shielding type solid insulation cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120613430.6U CN214313034U (en) | 2021-03-25 | 2021-03-25 | Upper isolation shielding type solid insulation cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214313034U true CN214313034U (en) | 2021-09-28 |
Family
ID=77837330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120613430.6U Active CN214313034U (en) | 2021-03-25 | 2021-03-25 | Upper isolation shielding type solid insulation cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214313034U (en) |
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2021
- 2021-03-25 CN CN202120613430.6U patent/CN214313034U/en active Active
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